1 2006-07-27 Jan Hubicka <jh@suse.cz>
3 PR rtl-optimization/28071
4 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5 (reg_set_in_bb, max_reg_computed): New static variables.
6 (regmove_optimize): Free the new array.
7 (fixup_match_1): Update call of reg_is_remote_constant_p.
9 2006-07-26 Jan Hubicka <jh@suse.cz>
11 PR tree-optimization/27882
12 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
14 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
16 (cgraph_analyze_compilation_unit): Likewise.
17 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
18 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
19 (cgraph_early_inlinine): Make order garbage collected.
20 * Makefile.in (gt-ipa-inline): New garbagecollected file.
22 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
24 * dbxout.c (output_types_sort): Add a comment.
25 (output_used_types): Free the VEC.
27 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
29 * function.c (reorder_fix_fragments): Delete.
30 (reorder_blocks): Don't call it.
31 (reorder_blocks_1): Put all subblocks under the origin block.
33 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
35 PR rtl-optimization/27907
36 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
39 2006-07-25 Roger Sayle <roger@eyesopen.com>
42 * convert.c (convert_to_integer): When transforming (T)foo(x) into
43 bar(x) check that bar's result type can represent all the values of T.
45 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
47 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
49 2006-07-25 Nick Clifton <nickc@redhat.com>
51 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
53 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
54 (ggc_pch_count_object): Likewise.
55 (ggc_pch_alloc_object): Likewise.
56 (ggc_pch_write_object): Likewise.
57 (init_ggc): Do not attempt to initialize entries in the
58 size_lookup[] array for objects whose size is greater than than
59 the length of the array.
61 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
63 * dbxout.c (output_used_types_helper): Push queued types
65 (output_types_sort): New.
66 (output_used_types): Collect used types on a VEC and sort them
69 2006-07-24 Richard Guenther <rguenther@suse.de>
72 * cgraph.c (cgraph_remove_node): Do not check if dumps
74 * cgraphunit.c (cgraph_optimize): Likewise.
76 2006-07-24 Jan Hubicka <jh@suse.cz>
78 PR rtl-optimization/28071
79 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
80 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
81 splitting before first stmt.
83 2006-07-24 Jan Hubicka <jh@suse.cz>
85 PR rtl-optimization/28071
86 * ipa-inline.c (update_caller_keys): Remove edges that
87 are no longer inline candidates.
89 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
92 * dbxout.c (output_used_types_helper, output_used_types): New.
93 (dbxout_symbol): Call output_used_types.
95 2006-07-23 Jan Hubicka <jh@suse.cz>
99 * cgraph.c (cgraph_varpool_nodes): Export.
100 (decide_is_variable_needed): Ignored "used" attribute in
102 * cgraph.h (cgraph_varpool_nodes): Declare.
103 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
106 2006-07-23 Roger Sayle <roger@eyesopen.com>
109 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
110 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
111 the __gthrw form of thr_keycreate.
112 (__gthread_key_delete): Silence the unused argument warning.
114 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
117 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
118 Cache the last found '\0' marker to avoid quadratic behavior.
120 2006-07-23 Jan Hubicka <jh@suse.cz>
122 * i386.md (subsi_3_zext): Fix output template.
124 2006-07-21 Mike Stump <mrs@apple.com>
126 * doc/invoke.texi (C++ Dialect Options): Note that
127 -fvisibility-inlines-hidden doesn't affect explicitly
128 instantiationed inline methods.
130 2006-07-20 Roger Sayle <roger@eyesopen.com>
132 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
133 if the target assembler is GNU binutils' gas.
134 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
135 whether to pass GNU gas or native as command line options.
137 2006-07-20 Jason Merrill <jason@redhat.com>
139 * tree.c (remove_attribute): New fn.
140 * tree.h: Declare it.
142 2006-07-20 Paul Brook <paul@codesourcery.com>
145 * cse.c (cse_insn): Add destination addresses to hash table. Check if
146 they are invalidated by this instruction.
148 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
151 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
153 2006-07-20 Eric Christopher <echristo@apple.com>
156 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
158 2006-07-19 Eric Christopher <echristo@apple.com>
160 * config/t-slibgcc-darwin (stmp-lipo): Remove.
161 Rewrite dependencies for libgcc_s.1.dylib.
163 2006-07-19 Jakub Jelinek <jakub@redhat.com>
165 * except.c (duplicate_eh_regions_1): Clear next_peer.
167 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
169 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
170 -mlongcall does not guarantee all calls will be long.
171 * doc/extend.texi (long_call/short_call): Document that longcall
172 does not guarantee a long call will be used.
173 (longcall/shortcall): Likewise.
175 2006-07-18 Roger Sayle <roger@eyesopen.com>
178 * expmed.c (expand_shift): Additionally check that the shift_cost
179 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
180 before implementing a LSHIFT_EXPR as a sequence of additions.
181 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
182 middle-end that DImode shifts need to be synthesized by expand.
184 2006-07-18 Diego Novillo <dnovillo@redhat.com>
187 * tree-ssa-operands.c (access_can_touch_variable): Update
189 Return true if ALIAS is .GLOBAL_VAR.
191 2006-07-18 David Daney <ddaney@avtrex.com>
193 * gcc.c (display_help): Fix typo in help text.
195 2006-07-18 Olivier Hainque <hainque@adacore.com>
197 * tree.h (categorize_ctor_elements): Adjust prototype and add
198 descriptive comment, both in accordance with the interface change
200 * varasm.c (constructor_static_from_elts_p): New function.
201 Whether a constructor node is a valid static constant initializer
202 if all its elements are.
203 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
204 * output.h: Declare it.
205 * expr.c (categorize_ctor_elements_1): Return whether the constructor
206 is a valid constant initializer instead of computing the number of
207 non-constant elements. Use constructor_static_from_elts_p for this
208 purpose. Replace the head comment with an indication that this is a
209 helper for categorize_ctor_elements.
210 (categorize_ctor_elements): Same interface change as for the _1
211 helper. Former head comment from this helper moved here, adjusted to
212 account for the interface changes.
213 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
214 (all_zeros_p): Likewise.
215 * gimplify.c (gimplify_init_constructor): Decide whether we can make
216 static versions of the constructor from the categorize_ctor_elements
217 return value instead of the formerly computed number of non-constant
220 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
222 * configure: Regenerate.
223 * Makefile.in (build_libsubdir): New configure substitution
224 (build_libobjdir): New variable.
225 (BUILD_LIBIBERTY): Use it.
227 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
230 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
232 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
235 * c-common.c (handle_weakref_attribute): Ignore attribute in
236 the same conditions the alias attribute is ignored.
238 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
240 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
241 (dbxout_begin_prologue): Increment scope_labelno.
243 2006-07-17 Richard Henderson <rth@redhat.com>
246 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
249 2006-07-17 Roger Sayle <roger@eyesopen.com>
250 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
252 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
253 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
254 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
255 functions such as sbrk, write, etc.. Add function prototypes.
256 Convert function declarations from K&R to ISO C. Cast pointers
257 to "long" and "unsigned long" instead of "int" and "unsigned int".
258 Convert tokens following #endif into comments.
260 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
262 * invoke.texi: Remove mention of f77; Reformat table for
263 inline parameter options correctly; mention that -malign-double
264 is default on x86-64 targets.
266 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
268 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
269 (convert_affine_scev, chrec_convert_aggressive): Use
270 avoid_arithmetics_in_type_p. Do not check for the subtypes
273 2006-07-17 Richard Sandiford <richard@codesourcery.com>
276 * optabs.c (expand_doubleword_shift): Wrap the call to
277 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
279 2006-07-17 Richard Sandiford <richard@codesourcery.com>
282 * optabs.c (expand_binop): Pass next_methods rather than methods
283 to expand_doubleword_shift.
285 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
288 * tree.h (dump_addr): Declare.
289 * print-tree.c (dump_addr): New function.
290 (print_node_brief, print_node): Use it.
291 * print-rtl.c (print_rtx): Likewise.
292 * common.opt (-fdump-noaddr): New option.
293 * doc/invoke.texi (-fdump-noaddr): Document.
294 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
295 (ve_info_hash): Likewise.
297 2006-07-13 Andrew Haley <aph@redhat.com>
299 PR tree-optimization/19505
300 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
301 edge leaving this block, make sure that the destination of this
302 block has only one predecessor.
304 2006-07-17 Richard Guenther <rguenther@suse.de>
306 PR tree-optimization/28238
307 * tree-inline.c (copy_bb): Check if we produced valid
308 gimple copying and substituting a stmt. If not, gimplify
311 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
313 * optabs.c (maybe_encapsulate_block): New function extracted from...
314 (emit_libcall_block): ...here. Invoke it on the block of insns to
315 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
316 (emit_no_conflict_block): Likewise.
318 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
320 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
322 2006-07-15 Roger Sayle <roger@eyesopen.com>
324 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
325 a new NOP_EXPR case of the switch statement.
327 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
330 * stor-layout.c (place_field): Take the bit field with
331 an excessive size into account in the ms-bitfiled case.
334 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
335 the previous bit field.
337 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
340 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
342 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
344 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
345 signal frames correctly even when the signal was installed with
348 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
350 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
351 (dbxout_function_end): Use local label LFBB. Remove hook
353 (dbxout_source_line): Use local label LFBB.
354 (dbxout_block): Likewise.
355 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
356 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
357 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
360 2006-07-13 Janis Johnson <janis187@us.ibm.com>
362 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
364 2006-07-13 Jan Hubicka <jh@suse.cz>
366 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
368 * output.h (align_variable): Declare.
369 * varasm.c (align_variable): Export.
370 * value-prof.c (tree_value_profile_transformations): Recompute iterator
371 when basic block changed.
373 2006-07-13 Nick Clifton <nickc@redhat.com>
375 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
376 walking the LOG_LINKS chain.
378 2006-07-12 Geoffrey Keating <geoffk@apple.com>
380 * doc/invoke.texi (C++ Dialect Options): Explain difference
381 between -fvisibility-inlines-hidden and setting hidden
382 visibility explicitly.
384 2006-07-12 Eric Christopher <echristo@apple.com>
386 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
387 (stmp-lipo): Depend on libgcc.a.
389 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
391 * tree.c: Fix a comment typo.
393 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
395 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
397 (umulhisi3_r): Likewise.
399 2006-07-12 Paolo Carlini <pcarlini@suse.de>
402 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
403 x < 19, vs wchar_t support.
405 2006-07-12 Nick Clifton <nickc@redhat.com>
407 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
410 2006-07-12 Mike Stump <mrs@apple.com>
412 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
414 2006-07-10 Eric Christopher <echristo@apple.com>
416 * config/t-slibgcc-darwin: Rewrite.
418 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
421 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
424 2006-07-08 Matthias Klose <doko@debian.org>
426 * doc/sourcebuild.texi: Fix typo.
428 2006-07-07 Mike Stump <mrs@apple.com>
430 * toplev.c (process_options): Don't give -ffunction-sections may
431 affect debugging warning for Mach-O.
433 2006-07-07 James E Wilson <wilson@specifix.com>
435 * config/mips/mips.md (cpu): Add sb1a.
436 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
437 addition to sb1. Adjust comments to clarify SB-1A differences from
439 (ir_sb1a_load): New. Modify bypasses to use it.
440 (ir_sb1a_simple_alu): Likewise.
441 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
442 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
443 (mips_issue_rate): Add PROCESSOR_SB1A.
444 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
445 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
446 (TARGET_SB1): Add PROCESSOR_SB1A check.
447 (TUNE_SB1): Likewise.
449 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
450 * config/mips/mips.c (mips_store_data_bypass_p): New.
451 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
454 2006-07-08 Paul Brook <paul@codesourcery.com>
457 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
459 2006-07-07 Richard Guenther <rguenther@suse.de>
462 * tree.h (build_one_cst): Declare.
463 * tree.c (build_one_cst): New function.
464 * tree-ssa-math-opts.c (get_constant_one): Remove.
465 (insert_reciprocals): Use build_one_cst.
466 * fold-const.c (fold_plusminus_mult): Likewise.
468 2006-07-07 Roger Sayle <roger@eyesopen.com>
470 * pointer-set.c (pointer_set_destroy): Correct whitespace.
471 * cfgloopanal.c (dump_graph): Likewise.
472 * dojump.c (discard_pending_stack_adjust): Likewise.
473 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
475 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
476 * function.c (finalize_block_changes): Likewise.
477 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
478 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
479 * rtl.c (dump_rtx_statistics): Likewise.
480 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
482 * varray.c (dump_varray_statistics): Likewise.
483 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
484 decode_decimal64, encode_decimal128, decode_decimal128,
485 decimal_real_to_decimal): Likewise.
487 2006-07-07 Richard Guenther <rguenther@suse.de>
489 PR tree-optimization/28187
490 * tree-vrp.c (vrp_operand_equal_p): New function.
491 (vrp_bitmap_equal_p): Likewise.
492 (update_value_range): Use them to compare old and new
495 2006-07-06 Roger Sayle <roger@eyesopen.com>
497 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
498 a default case to switch statement to silence compiler warnings.
500 2006-07-06 Roger Sayle <roger@eyesopen.com>
503 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
504 the configured assembler supports the x87's ffreep mnemonic.
505 * configure: Regenerate.
506 * config.in: Regenerate.
508 * config/i386/i386.c (output_387_ffreep): New function.
509 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
510 (output_387_reg_move): Likewise.
512 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
514 Port to hosts whose 'sort' and 'tail' implementations
515 treat operands with leading '+' as file names, as POSIX
516 has required since 2001. However, make sure the code still
517 works on pre-POSIX hosts.
518 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
519 which says you should use "tail -c +N" rather than "tail +Nc".
520 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
522 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
524 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
527 2006-07-06 David Edelsohn <edelsohn@gnu.org>
530 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
531 PRE_{INC,DEC} of TFmode.
533 2006-07-06 David Edelsohn <edelsohn@gnu.org>
534 Alan Modra <amodra@bigpond.net.au>
537 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
540 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
543 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
544 Remove duplicate gtu.
546 2006-07-05 Jason Merrill <jason@redhat.com>
550 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
551 * c-common.c (handle_packed_attribute): So don't copy it here.
552 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
554 2006-07-05 Mike Stump <mrs@apple.com>
556 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
558 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
561 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
563 2006-07-05 Richard Guenther <rguenther@suse.de>
566 * config/i386/i386.md (*negdf2_1): Restrict pattern to
567 TARGET_SSE2 targets if using SSE math.
568 (*absdf2_1): Likewise.
570 2006-07-05 Richard Guenther <rguenther@suse.de>
572 PR tree-optimization/28162
573 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
574 make sure to convert the operands to the correct type.
576 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
578 PR tree-optimization/28218
580 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
581 to calculate and free the dominator information.
583 2006-07-04 Peter O'Gorman <peter@pogma.com>
585 * mklibgcc.in: chmod 644 before ranlib during install.
587 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
588 J"orn Rennecke <joern.rennecke@st.com>
590 * configure.ac (.eh_frame data check): Use diff -b.
592 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
595 * Makefile.in (BUILD_RTL): Add build/vec.o.
596 (build/gencondmd.o): Filter out -fkeep-inline-functions.
597 (build/genextract): Delete.
598 (build/genautomata): Likewise.
600 2006-07-04 Alan Modra <amodra@bigpond.net.au>
603 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
604 128-bit IBM long doubles for ABI_V4.
606 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
608 * tree.c (range_in_array_bounds_p): New predicate.
609 * tree.h (range_in_array_bounds_p): Declare it.
610 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
611 return a less conservative answer.
612 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
614 (IS_ELEMENT_FOR_GROUP): New macro.
615 (FOR_EACH_ACTUAL_CHILD): Likewise.
616 (next_child_for_group): New helper function.
617 (can_completely_scalarize_p): Take into account groups.
618 (sra_hash_tree): Handle RANGE_EXPR.
619 (sra_elt_eq): Likewise.
620 (lookup_element): Be prepared for handling groups.
621 (is_valid_const_index): Delete.
622 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
623 instead of is_valid_const_index.
624 <ARRAY_RANGE_REF>: New case.
625 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
626 is_valid_const_index.
627 <ARRAY_RANGE_REF>: Do not unconditionally punt.
628 (scan_dump): Dump info for groups too.
629 (decide_instantiation_1): Likewise.
630 (decide_block_copy): Assert that the element is not a group.
631 Propagate decision to groups.
632 (generate_one_element_ref): Handle RANGE_EXPR.
633 (mark_no_warning): Iterate over actual childs.
634 (generate_copy_inout): Likewise.
635 (generate_element_copy): Likewise.
636 (generate_element_zero): Likewise.
637 (generate_element_init_1): Likewise.
638 (dump_sra_elt_name): Handle RANGE_EXPR.
640 2006-07-03 Roger Sayle <roger@eyesopen.com>
642 PR tree-optimization/26251
643 * tree-ssa-threadupdate.c (redirection_block_p): New function.
644 (thread_block): When optimizing for size refuse to thread jumps
645 that would require duplication of blocks other than redirection
648 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
650 * configure.ac: Fix thinko in previous check-in.
651 * configure: Regenerate.
653 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
656 * configure.ac (for lang...): Simplify nesting of conditionals.
657 Test subdir_requires for non-enabled languages. Move processing
658 of lang_opt_files and lang_tree_fiels below that test.
659 * configure: Regenerate.
660 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
662 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
664 * doc/gcov.texi (Invoking Gcov): Add a missing word.
666 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
668 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
671 2006-06-29 Jason Merrill <jason@redhat.com>
678 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
679 * c-common.c (c_determine_visibility): Handle it here.
680 * c-decl.c (finish_decl): Call c_determine_visibility for
682 * flags.h (enum symbol_visibility): Sort from most to least visibility.
684 * varasm.c (default_assemble_visibility): Likewise.
685 * c-common.c (handle_visibility_attribute): Complain about trying
686 to give visibility to an already defined class, or trying to change
687 declared visibility. Always attach the attribute.
692 * attribs.c (decl_attributes): Ignore type-in-place attributes
693 once the type has been defined.
695 2006-06-29 Roger Sayle <roger@eyesopen.com>
698 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
699 to indicate the cpplib has issued an error message for us.
701 2006-06-29 Asher Langton <langton2@llnl.gov>
704 * config/i386/i386.c (ix86_output_function_epilogue): Don't
705 insert a label at the end of an function under Mach-O.
707 2006-06-29 Eric Christopher <echristo@apple.com>
708 Evan Cheng <evan.cheng@apple.com>
710 * predicates.md (vector_all_ones_operand): New.
711 (nonimmediate_or_sse_const_operand): Ditto.
712 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
713 * config/i386/i386.c (standard_sse_constant_opcode): Define.
714 (standard_sse_mode_p): Ditto.
715 (standard_sse_constant_p): Add case for -1 vector.
716 (ix86_expand_vector_move): Try to use.
717 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
718 Call standard_sse_constant_opcode.
719 (*movv4sf_internal): Ditto.
720 (*movv2df_internal): Ditto.
722 2006-06-29 Roger Sayle <roger@eyesopen.com>
724 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
725 of XEXP to extract the operands of a MATCH_CODE rtx.
727 2006-06-28 Andrew Pinski <pinskia@gmail.com>
729 * tree.c (tree_size): Do not waste tail padding in
730 struct tree_string and make the size be the same as
731 build_string will generate.
733 2006-06-28 Jason Merrill <jason@redhat.com>
736 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
737 may_aliases already in the tag's annotations to the bitmap.
739 2006-06-28 Roger Sayle <roger@eyesopen.com>
741 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
743 2006-06-28 Roger Sayle <roger@eyesopen.com>
745 * genpreds.c (generate_switch_p): New function.
746 (add_mode_tests): Push the new mode test down inside an AND expr
747 if this allows the switch-suitable MATCH_CODE to be near the root.
748 (write_match_code_switch): New function to write a MATCH_CODE as
750 (write_predicate_stmts): New function to write a predicate RTX
751 expression as a sequence of statements.
752 (write_one_predicate_function): Use write_predicate_stmts.
753 (write_tm_constrs_h): Likewise.
755 2006-06-26 Fred Fish <fnf@specifix.com>
757 * config/mips/t-sb1: New file.
758 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
761 2006-06-26 DJ Delorie <dj@redhat.com>
763 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
765 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
766 Jayant Sonar <jayants@kpitcummins.com>
767 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
769 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
770 (subsi3, subsi3_1, subsi3_2): New.
771 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
772 * config/m32c/mov.md (SI mov peephole): New.
773 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
774 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
776 2006-06-26 Olivier Hainque <hainque@adacore.com>
778 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
779 a CALL_EXPR target function declaration.
781 2006-06-26 Richard Guenther <rguenther@suse.de>
783 * tree.c (build_string): Do not waste tail padding in
786 2006-06-26 Richard Guenther <rguenther@suse.de>
788 * ggc-page.c (init_ggc): Add missing element to size_lookup
792 2006-06-23 Richard Guenther <rguenther@suse.de>
794 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
795 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
796 alignment requests instead. Add verification code.
797 Add struct tree_function_decl and struct tree_binfo size to
798 extra_order_size_table. Add missing element to size_lookup
801 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
804 * fold-const.c (const_binop): Be prepared for self returning zero.
805 Simplify code handling complex values.
807 2006-06-24 Olivier Hainque <hainque@adacore.com>
809 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
810 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
813 2006-06-24 Olivier Hainque <hainque@adacore.com>
815 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
816 ARRAY_REF, so have the callback called for the low bound expression.
818 2006-06-23 Janis Johnson <janis187@us.ibm.com>
820 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
821 * c-typeck.c (c_common_type): Disallow operations on decimal float
822 types and other float types.
823 * convert.c (convert_to_real): Don't ignore conversions involving
826 2006-06-23 Olivier Hainque <hainque@adacore.com>
828 * tree.c (max_int_size_in_bytes): New function, inspired from
829 code in function.c:assign_temp.
830 * tree.h (max_int_size_in_bytes): Declare.
831 * function.c (assign_temp): Use it.
832 * gimplify.c (create_tmp_var): Relax the assertions on the type
833 properties, not mandating constant size any more.
834 (force_constant_size): New static function.
835 (gimple_add_tmp_var): Use it, forcing variable size to a
836 constant upper bound if it is not constant on entry.
838 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
841 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
842 for initialization and setting of one_only flag to ...
843 (i386_pe_encode_section_info): ...here.
844 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
845 Recheck that the symbol has not been defined.
847 2006-06-23 Richard Guenther <rguenther@suse.de>
849 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
850 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
851 alignment requests instead. Add verification code.
852 Add struct tree_function_decl and struct tree_binfo size to
853 extra_order_size_table. Add missing element to size_lookup
856 2006-06-22 Roger Sayle <roger@eyesopen.com>
857 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
860 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
861 call to lang_hooks.types.type_for_mode returned NULL_TREE.
863 2006-06-23 Ben Elliston <bje@au.ibm.com>
865 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
866 negate dn -- manipulate it directly.
868 2006-06-22 Roger Sayle <roger@eyesopen.com>
869 Steven Bosscher <stevenb.gcc@gmail.com>
872 * reload1.c (gen_reload): Call mark_jump_label on the new insns
873 generated by gen_move_insn to add REG_LABEL notes if necessary.
875 2006-06-22 Bob Wilson <bob.wilson@acm.org>
877 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
878 (leaf_entry): Remove use of MIN_ESA.
880 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
882 PR rtl-optimization/28121
883 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
886 2006-06-21 DJ Delorie <dj@redhat.com>
888 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
890 (mulhisi3_r): Likewise.
892 2006-06-21 Richard Sandiford <richard@codesourcery.com>
895 * coverage.c (coverage_counter_alloc): Leave the index type
897 (coverage_counter_alloc): Use null arguments for operands 2 and 3
900 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
902 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
903 section from the "Options for Code Generation Conventions".
905 2006-06-21 Richard Henderson <rth@redhat.com>
909 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
911 (global_symbolic_operand): Allow weak symbols, even if local_p.
913 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
915 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
916 (find_interesting_uses_address): Punt if above function returns true.
918 2006-06-21 Richard Guenther <rguenther@suse.de>
920 * configure: Regenerated.
922 2006-06-21 Joseph Myers <joseph@codesourcery.com>
924 * config/mips/mips.c (function_arg): Where one part of a
925 complex argument is in registers and the other part in the stack,
926 return a REG not a PARALLEL.
928 2006-06-21 Mark Mitchell <mark@codesourcery.com>
930 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
931 when cross-compiling. Do not substitute libstdcxx_incdir.
932 * configure: Regenerated.
934 2006-06-21 Jakub Jelinek <jakub@redhat.com>
936 * varasm.c (mergeable_string_section): Check for embedded NULs and
937 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
938 rather than TREE_STRING_LENGTH bytes.
940 2006-06-21 Richard Guenther <rguenther@suse.de>
942 * ggc-page.c (extra_order_size_table): Add var_ann_d,
943 tree_ssa_name, bitmap_element and phi_node with 4 arguments
946 2006-06-21 Richrad Guenther <rguenther@suse.de>
948 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
949 Limit iteration over the dominators.
951 2006-06-20 Roger Sayle <roger@eyesopen.com>
953 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
954 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
956 2006-06-20 Richard Guenther <rguenther@suse.de>
957 Michael Matz <matz@suse.de>
959 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
961 * alloc-pool.c (free_alloc_pool_if_empty): New function.
962 * et-forest.h (et_free_pools): Prototype new function.
963 * et-forest.c (et_free_tree_force): Free parent occurrence.
964 (et_free_pools): New function.
965 * dominance.c (free_dominance_info): Free et-forest alloc
968 2006-06-20 Roger Sayle <roger@eyesopen.com>
970 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
971 integer modes, attempt to directly construct an integer constant.
973 * fold-const.c (native_encode_vector): Determine the size of each
974 element from the vector type instead of the first vector element.
976 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
977 if all of its elements/components are constant.
978 (build_constructor_from_list): Likewise.
980 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
982 PR tree-optimization/27331
983 * tree-data-ref.c (free_data_ref): New function.
984 (create_data_ref): Fail if the data reference has unknown access
986 (free_data_refs): Use free_data_ref.
988 2006-06-19 Andrew Pinski <pinskia@gmail.com>
991 * tree-inline.c (setup_one_parameter): Strip useless
992 type conversion before adding it to the IR.
993 (declare_return_variable): Likewise.
995 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
998 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1000 2006-06-19 Mike Stump <mrs@apple.com>
1002 * tree.c (variably_modified_type_p): VM arguments don't make the
1005 2006-06-19 Richard Guenther <rguenther@suse.de>
1007 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1008 type conversions after folding.
1010 2006-06-19 Richard Guenther <rguenther@suse.de>
1012 * ggc-page.c (extra_order_size_tab): Add entries with
1013 size of struct function and basic_block.
1014 (size_lookup): Extend to cover sizes up to 511.
1015 (ggc_alloc_stat): Adjust user.
1016 (ggc_pch_count_object): Likewise.
1017 (ggc_pch_alloc_object): Likewise.
1018 (ggc_pch_write_object): Likewise.
1020 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1022 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1023 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1026 2006-06-19 Denis Chertykov <denisc@overta.ru>
1028 * config/avr/libgcc.S : Correct my wrong previous commit.
1030 2006-06-19 Roger Sayle <roger@eyesopen.com>
1033 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1034 have stripped a SUBREG from the shift count, so we may need to
1035 convert_to_mode back to the type's mode before calling make_tree.
1036 Use new_amount instead of amount to avoid expanding a tree twice.
1038 2006-06-19 Richard Guenther <rguenther@suse.de>
1041 * fold-const.c (operand_equal_p): Check if the argument types
1042 have the same precision before stripping NOPs.
1044 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1046 Fix PR tree-optimization/27341
1047 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1049 * tree-complex.c (pass_lower_complex): Update SMT usage.
1051 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1053 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1054 Add a new alternative to the constraint strings. Add move of
1055 operand 1 to 3 to the splitter definition.
1056 ("doloop_si_long"): Second contraint alternative removed.
1058 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1060 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1061 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1063 (AVR_HAVE_MOVW) Define.
1064 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1065 (ASM_SPEC): Add avr25.
1066 (LINK_SPEC): Add avr25.
1067 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1068 (base_arch_s): Add new member 'have_movw_lpmx'.
1069 (avr_arch_types): Init 'have_movw_lpmx'.
1070 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1071 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1072 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1073 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1074 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1076 (avr_file_start): Do not output '.arh' derective.
1077 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1078 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1079 * config/avr/avr.md (mcu_enhanced): Delete.
1080 (mcu_have_movw): Define.
1081 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1082 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1083 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1084 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1085 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1086 attiny861 and at86rf401 devices.
1088 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1090 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1093 2006-06-17 Karl Berry <karl@gnu.org>
1095 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1096 doc/gccint.texi, doc/install.texi (@dircategory): Use
1097 "Software development" instead of "Programming", following
1098 the Free Software Directory.
1100 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1102 * config/i386/i386.c (legitimate_tls_address)
1103 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1104 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1105 (*tls_dynamic_gnu2_combine_64): Likewise.
1107 2006-06-16 Richard Guenther <rguenther@suse.de>
1110 * fold-const.c (negate_expr_p): Do not introduce undefined
1111 overflow in negating INTEGER_CSTs.
1112 (fold_negate_expr): Rename from negate_expr. Revert last
1113 change for folding BIT_NOT_EXPR. Change semantics to
1114 return NULL_TREE for non-simplified negations. Do not
1115 strip type conversions and unify type handling.
1116 (negate_expr): New function, wrap around fold_negate_expr
1117 but ensure building a tree always. Strip type conversions
1118 here, fold to result type.
1119 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1121 2006-06-16 Roger Sayle <roger@eyesopen.com>
1124 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1125 that (would) return their results in stack registers.
1127 2006-06-16 Michael Matz <matz@suse.de>
1128 Richard Guenther <rguenther@suse.de>
1130 * fold-const.c (fold_truthop): Only return new tree node if
1131 we canonicalized something.
1133 2006-06-16 Richard Guenther <rguenther@suse.de>
1135 * function.h (enum function_frequency): Move declaration
1136 out of struct function.
1137 (struct function): Move bool fields and the enum to the bitfield
1138 section. Reorder elements to avoid padding. Remove unused
1139 fields left over from the RTL inliner removal.
1140 * function.c (free_after_compilation): Do not zero removed fields.
1141 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1142 (ipa-type-escape.o): Likewise.
1144 2006-06-16 Richard Guenther <rguenther@suse.de>
1146 * cgraph.h (struct cgraph_local_info): Turn bool elements
1148 (struct cgraph_node): Likewise.
1149 (struct cgraph_varpool_node): Likewise.
1151 2006-06-15 Richard Guenther <rguenther@suse.de>
1153 * fold-const.c (fold_truth_not_expr): Rename from
1154 invert_truthvalue. Give it fold_* semantics to avoid
1156 (invert_truthvalue): New function. Wrapper around
1157 fold_truth_not_expr.
1158 (optimize_minmax_comparison): Avoid creating garbage.
1159 (fold_unary): Use fold_truth_not_expr for folding
1161 (fold_ternary): Replace uses of invert_truthvalue with
1162 fold_truth_not_expr where applicable.
1163 * tree.h (fold_truth_not_expr): Prototype.
1165 2006-06-16 Richard Guenther <rguenther@suse.de>
1167 PR tree-optimization/27781
1168 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1169 * ipa-pure-const.c (target.h): Include.
1170 (analyze_function): Do not analyze functions that do not
1173 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1176 * tree-dfa.c (referenced_vars_dup_list): Remove.
1177 (find_referenced_vars): Remove assert.
1178 (referenced_var_check_and_insert): Replace dup list with assert.
1179 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1180 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1182 2006-06-15 Richard Guenther <rguenther@suse.de>
1184 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1185 extra unused identifiers if not dumping.
1186 (create_variable_info_for): Likewise.
1188 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1190 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1191 (derive_constant_upper_bound): Derive more precise upper bound in
1192 common cases. Return type changed to double_int.
1193 (record_estimate): Reflect the changed return type of
1194 derive_constant_upper_bound.
1195 * double-int.c (double_int_zext, double_int_sext): Fix.
1197 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1199 * configure.ac (CFLAGS): Get them from the toplevel or from the
1200 configure invocation.
1201 * configure: Regenerate.
1202 * Makefile.in (CFLAGS): Substitute value provided by configure.
1204 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1207 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1208 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1209 rather than calling add_stmt on it.
1210 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1212 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1215 * reload1.c (reload): Remove registers returned by update_eliminables
1216 from used_spill_regs.
1218 2006-06-13 DJ Delorie <dj@redhat.com>
1220 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1222 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1224 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1225 html__strip_dir, html__mkdir_p. Enhance install-html target.
1226 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1227 * configure: Regenerate.
1229 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1231 * fold-const.c (fold_cond_expr_with_comparison): Check for
1232 Objective-C++ as language in deciding COND_EXPR transformation.
1234 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1237 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1238 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1239 * config/sh/lib1funcs.h (SL, SL1): Define.
1240 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1241 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1242 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1243 (OBJS_Os_4_200): New variable.
1244 ($(T)libgcc-Os-4-200.a): Use it.
1245 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1246 when dividing 1 and/or by 0.
1248 2006-06-13 Roger Sayle <roger@eyesopen.com>
1250 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1251 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1252 * configure: Regenerate.
1254 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1256 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1257 for real instruction.
1259 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1262 * haifa-sched.c (check_cfg): Handle special case.
1264 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1267 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1268 Add debug_info parameter. Chain the vars to the BLOCK instead
1269 of the BIND_EXPR if debug info are requested for them.
1270 (pop_gimplify_context): Adjust for above change.
1271 (gimple_add_tmp_var): Likewise.
1272 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1274 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1275 (convert_local_reference): Likewise.
1276 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1277 (finalize_nesting_tree_1): Request that debug info be emitted
1278 for debug_var_chain.
1280 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1282 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1283 for PR target/27863.
1285 2006-06-13 Richard Guenther <rguenther@suse.de>
1288 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1290 2006-06-13 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/27830
1293 * tree-inline.c (copy_body_r): For copying the operand
1294 of an ADDR_EXPR make sure to fold &* afterwards.
1296 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1298 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1299 lvalues in the fb_none case with side-effects.
1301 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1303 * tree-flow.h: Remove the prototype for
1304 compute_phi_arg_on_exit.
1305 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1306 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1309 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1311 * builtins.c (expand_builtin_return_addr): Only use
1312 frame_pointer_rtx when count == 0 and we are expanding
1313 __builtin_return_address.
1315 2006-06-12 Fred Fish <fnf@specifix.com>
1317 * config/mips/mips.c (mips_file_start): Create special section
1318 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1320 2006-06-11 Eric Christopher <echristo@apple.com>
1323 * stor-layout.c (place_field): Remove check for
1324 remaining_in_alignment when aligning at the end of a run.
1326 2006-06-11 Eric Christopher <echristo@apple.com>
1329 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1332 2006-06-11 Roger Sayle <roger@eyesopen.com>
1335 Revert incorrect fix for PR target/27158
1336 2006-05-08 Roger Sayle <roger@eyesopen.com>
1337 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1338 of a reg_equiv_constant if the result is a legitimate constant.
1340 2006-06-11 Roger Sayle <roger@eyesopen.com>
1343 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1344 extract a CONST_VECTOR element and interpret it as an integer.
1345 (vspltis_constant): Use const_vector_elt_as_int instead of the
1346 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1347 * config/rs6000/predicates.md (easy_vector_const): Consider
1348 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1350 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1353 * stor-layout.c (update_alignment_for_field): Don't add extra
1354 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1357 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1359 * config/mips/t-rtems: Add EL/EB multilib variants.
1361 2006-06-09 Mike Stump <mrs@apple.com>
1363 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1365 2006-06-09 David Daney <ddaney@avtrex.com>
1367 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1369 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1371 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1373 2006-06-09 Richard Guenther <rguenther@suse.de>
1375 PR tree-optimization/26998
1376 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1377 of signed types, only TYPE_MIN_VALUE is special, but for both,
1378 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1379 in this case, as is -fwrapv.
1381 2006-06-08 Mike Stump <mrs@apple.com>
1384 * config/darwin.c (darwin_asm_output_anchor): Disable
1385 -fsection-anchors on darwin for now.
1386 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1387 * rs6000/rs6000.c (optimization_options): Likewise.
1389 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1392 * config/i386/i386.c (classify_argument): Skip fields with invalid
1395 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1397 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1398 (cse_insn): Likewise for the stack_pointer_rtx.
1400 2006-06-08 Roger Sayle <roger@eyesopen.com>
1402 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1403 conditions from floating point comparisons.
1405 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1408 * expmed.c (struct alg_hash_entry): Fix type of field T
1409 to match synth_mult argument.
1410 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1412 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1415 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1418 2006-06-08 Richard Guenther <rguenther@suse.de>
1421 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1422 only, if overflow is defined and not trapping.
1423 (negate_expr): Likewise.
1425 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1427 PR tree-optimization/27872
1428 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1429 flag on the new exit edge of the unrolled loop.
1431 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1433 PR rtl-optimization/26449
1434 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1436 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1439 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1440 referenced_variables with matching DECL_UID's.
1441 (find_referenced_vars): Make sure duplicate list is empty to start.
1442 (referenced_var_p): Remove.
1443 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1444 Check if var is in the list, and add if needed. Update the duplicate
1445 list if a different var is in the list with the same DECL_UID.
1446 (add_referenced_var): Call routine to check and insert.
1447 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1448 * tree-flow.h (referenced_vars_dup_list): External declaration.
1450 2006-06-07 Fred Fish <fnf@specifix.com>
1452 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1455 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1458 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1459 the imaginary and real parts of a clobbered register.
1460 Emit insn to set the imaginary part.
1462 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1464 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1465 in lieu of unwind-dw2-fde.c.
1467 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1469 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1471 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1474 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1475 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1476 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1477 V4SImode temporaries and operations instead.
1479 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1481 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1484 2006-06-06 Mike Stump <mrs@apple.com>
1486 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1487 installing during build.
1489 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1491 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1493 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1494 * config/ia64/ia64.c (params.h): New header.
1495 (ia64_optimization_options): New function to adjust parameters.
1496 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1497 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1498 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1500 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1502 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1504 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1507 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1509 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1510 Victor Kaplansky <victork@il.ibm.com>
1512 PR tree-optimization/26360
1513 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1516 2006-06-04 Roger Sayle <roger@eyesopen.com>
1517 Andrew Pinski <pinskia@physics.uc.edu>
1520 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1521 for LABEL_DECL before calling DECL_WEAK.
1524 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1525 LABEL_DECL and PARM_DECL.
1527 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1531 * c-decl.c (grokdeclarator): Disallow variably modified types at
1532 file scope. Avoid marking shared array type of constant size as
1535 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1538 * c-common.c (fold_offsetof_1): Handle static members.
1540 2006-06-04 Eric Christopher <echristo@apple.com>
1542 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1543 (debug_rli): Output value for remaining_in_alignment.
1544 (update_alignment_for_field): Unconditionalize
1545 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1546 extra alignment code.
1547 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1548 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1549 * tree.h (record_layout_info_s): Remove prev_packed.
1550 * doc/extend.texi (ms_struct): Add documentation of format.
1552 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1554 * tree.h: Declare folding_initializer.
1555 * builtins.c (fold_builtin_constant_p): Give definite answer
1556 if folding inside an initializer.
1557 * fold-const.c: Define folding_initializer.
1558 (START_FOLD_INIT): Save and then set folding_initializer.
1559 (END_FOLD_INIT): Restore folding_initializer.
1561 2006-06-04 Richard Guenther <rguenther@suse.de>
1563 PR tree-optimization/27039
1564 * fold-const.c (fold_comparison): Handle pointer comparison
1565 again for all comparison codes. Compare offsets in signed
1567 (fold_binary): Move code from here.
1569 2006-06-03 Roger Sayle <roger@eyesopen.com>
1572 * config/i386/i386.c (construct_container): Split static issued_error
1573 flag into issued_sse_arg_error, issued_sse_ret_error and
1574 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1575 requires the use of x87 registers and the user explicitly
1576 specified the -mno-80387 command line option.
1578 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1580 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1581 HAVE_DECL_SIGALTSTACK.
1583 (segv_handler): Use MC_FLD.
1584 * configure.ac: Check for a sigaltstack declaration.
1585 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1586 * configure: Regenerate.
1587 * config.in: Regenerate.
1589 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1592 * Makefile.in (stmp-fixinc): Fix typo.
1594 2006-06-02 Roger Sayle <roger@eyesopen.com>
1596 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1597 are type correct. Clean-up.
1598 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1599 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1601 2006-06-01 DJ Delorie <dj@redhat.com>
1603 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1604 shift, as we've disabled the "switch" insn that needs it.
1606 2006-06-01 Per Bothner <bothner@bothner.com>
1608 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1609 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1610 * c-ppoutput.c (cb_define): Don't increment line 0.
1612 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1614 * doc/invoke.texi: Add cpu_type power6.
1615 * config.gcc: Add cpu_type power6.
1616 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1617 to power5+ with Altivec.
1618 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1619 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1621 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1623 * config/avr/avr.h (SET_ASM_OP): Define.
1625 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1627 * config/bfin/bfin.c: Fix comment typos.
1629 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1632 * doc/install.texi: Document --enable-bootstrap and
1633 --disable-bootstrap.
1635 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1637 * doc/install.texi: Document that InfoZIP can replace jar.
1639 2006-05-31 Roger Sayle <roger@eyesopen.com>
1641 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1642 isn't available, directly generate the simpler x87 patterns without
1643 the (use (const_int 0)).
1644 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1645 implementation isn't available.
1646 (*negdf2_1): Likewise.
1647 (*negxf2_1): XF mode negation is always done using the x87.
1648 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1650 2006-05-31 Roger Sayle <roger@eyesopen.com>
1652 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1653 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1655 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1657 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1659 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1660 * config/bfin/bfin.c (basic-block.h): Include.
1661 (struct machine_function): New.
1662 (bfin_init_machine_status): New.
1663 (override_options): Initialize init_machine_status.
1664 (bfin_hardware_loop): New.
1665 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1666 (DEF_VEC_P (loop_info)): New.
1667 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1668 (struct loop_info): New.
1669 (loop_info): New typedef.
1670 (struct loop_work): New.
1671 (loop_work): New typedef.
1672 (DEF_VEC_O (loop_work)): New.
1673 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1674 (bfin_dump_loops): New.
1675 (bfin_bb_in_loop): New.
1676 (bfin_scan_loop): New.
1677 (bfin_optimize_loop): New.
1678 (bfin_reorg_loops): New.
1679 (bfin_reorg): Use bfin_reorg_loops.
1680 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1682 (I_REGNO_P): Simplify.
1683 (DP_REGNO_P, DPREG_P): New macros.
1684 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1685 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1686 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1687 Add LT_REGS, LC_REGS, LB_REGS.
1688 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1690 (REGNO_REG_CLASS): Deal with loop registers.
1691 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1693 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1694 New constants for loop registers.
1695 (UNSPEC_LSETUP_END): New.
1696 (seq_insns): New define_attr. Set it for appropriate insns.
1697 (movsi_insn): Add alternatives for move from/to
1698 loop count registers.
1699 (doloop_end): New define_expand.
1700 (loop_end): New define_insn.
1701 (define_split for bad doloop_end): New.
1702 (lsetup_with_autoinit): New define_insn.
1703 (lsetup_without_autoinit): New define_insn.
1704 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1705 * config/bfin/predicates.md (lc_register_operand): New.
1706 (lt_register_operand): New.
1707 (lb_register_operand): New.
1708 (nondp_register_operand): New.
1709 (nondp_reg_or_memory_operand): New.
1710 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1712 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1714 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1715 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1717 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1719 * Makefile.in (CATALOGS): Add po/ prefix.
1720 * configure: Regenerated.
1722 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1725 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1726 a shift operand before calling shift_op. Avoid redundant call of
1729 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1730 DJ Delorie <dj@redhat.com>
1732 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1733 we're inserting is a singlt-bit constant.
1735 2006-05-30 Roger Sayle <roger@eyesopen.com>
1737 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1738 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1740 2006-05-30 Roger Sayle <roger@eyesopen.com>
1742 PR tree-optimization/23452
1743 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1744 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1745 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1746 complex values and with -ffast-math for FP complex values.
1748 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1750 * c-common.h: Remove the prototype for yyparse.
1751 * rtl.h: Remove the prototype for init_loop.
1753 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1755 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1758 2006-05-30 Roger Sayle <roger@eyesopen.com>
1760 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1762 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1763 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1765 2006-05-30 Dirk Mueller <dmueller@suse.de>
1768 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1769 for CONSTANT_CLASS_P expresisons.
1771 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1774 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1776 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1778 PR tree-optimization/27779
1779 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1780 initial_condition instead of CHREC_LEFT.
1782 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1784 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1785 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1786 Make prototypes ISO C90.
1788 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1789 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1791 * see.c (see_analyze_one_def): Correct check.
1792 (see_get_extension_data): Check if extension is parallel.
1793 (see_get_extension_reg): Likewise.
1795 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1798 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1799 into register for (code == GTU).
1801 2006-05-29 Roger Sayle <roger@eyesopen.com>
1803 PR tree-optimization/24964
1804 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1805 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1806 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1807 abs(x)*abs(x) as x*x for scalar floating point modes.
1809 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1812 * lambda-code.c (perfect_nestify): Don't copy statements
1813 in the inner loop: move them to the inner loop header.
1815 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1818 * c-tree.texi: Document OpenMP directives and clauses.
1820 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1822 * varasm.c (globalize_decl): Fix indentation.
1824 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1827 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1828 pass_fre, pass_store_ccp, pass_copy_prop,
1829 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1830 pass_return_slot, pass_object_size, pass_lim,
1831 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1832 pass_loop_prefetch and pass_stdarg.
1834 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1836 * config/bfin/bfin.opt (mfdpic): New option.
1837 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1838 (EXTRA_MULTILIB_PARTS): Likewise.
1839 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1840 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1842 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1843 (CRT_CALL_STATIC_FUNCTION): New.
1844 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1846 (CRT_CALL_STATIC_FUNCTION): New.
1847 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1849 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1850 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1851 (initialize_trampoline): Changed to handle FD-PIC code generation.
1852 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1853 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1854 (override_options): Disallow -mid-shared-library -mfdpic combination.
1855 Can't do unaligned ops if FD-PIC.
1856 Turn off flag_pic if trying to generate non-id-shared-library
1857 non-fdpic code, since it's not supported.
1858 (bfin_assemble_integer): New function.
1859 (TARGET_ASM_INTEGER): Define.
1860 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1862 * config/bfin/crtn.s: Restore them.
1863 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1865 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1866 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1867 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1868 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1869 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1871 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1872 FDPIC_REGS and FDPIC_FPTR_REGS.
1873 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1874 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1875 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1876 (load_funcdescsi): New pattern.
1877 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1878 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1879 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1881 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1883 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1886 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1888 * tree-flow.h: Remove the prototype for add_type_alias.
1889 * tree-ssa-alias.c (add_type_alias): Remove.
1891 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1893 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1894 config/fr30/fr30.md, config/i386/i386-interix.h,
1895 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1896 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1897 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1898 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1899 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1900 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1901 Follow spelling conventions.
1902 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1903 Follow spelling conventions.
1905 2006-05-27 Richard Guenther <rguenther@suse.de>
1908 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1909 to produce a constant of value 1 of generic type.
1911 2006-05-27 Dirk Mueller <dmueller@suse.de>
1913 * cgraphunit.c (decide_is_function_needed): Fix wrong
1916 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1918 PR rtl-optimization/27661
1919 * reload.c (find_reloads): When reloading a VOIDmode constant
1920 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1921 use Pmode as mode of the reload register.
1923 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1925 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1926 is enabled at -O and above.
1928 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1931 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1934 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1937 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1938 for anonymous variables explicitly declared by front ends.
1940 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1942 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1943 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1944 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1945 ref-all pointers, run a finalization pass for them.
1946 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1947 (finalize_ref_all_pointers): New function.
1948 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1949 regular pointer type to a ref-all pointer type.
1950 (get_tmt_for): Return the special memory tag for ref-all pointers.
1952 2006-05-25 Richard Guenther <rguenther@suse.de>
1955 * fold-const.c (fold_binary): Do not look at the stripped
1956 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1958 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1960 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1961 for LT and GT if the computed range is effectively empty.
1963 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1966 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1967 mips_quad_format formats instead of ieee_single_format,
1968 ieee_double_format and ieee_quad_format formats, respectively.
1970 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1972 PR tree-optimization/27639
1973 PR tree-optimization/26719
1974 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1975 call to scev_probably_wraps_p.
1976 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1977 used_in_pointer_arithmetic_p, convert_step): Removed.
1978 (nowrap_type_p): New function.
1979 (scev_probably_wraps_p): Rewritten.
1980 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1981 chrec_convert if chrec_convert_aggressive might have been used.
1982 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1983 scev_direction): New functions.
1984 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1985 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1986 instead of convert_step.
1987 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1988 (convert_step): Declaration removed.
1989 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1991 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1993 * df-core.c: Added to header comments.
1994 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1995 df_ur_bb_info, df_urec_bb_info): Added comments.
1996 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1997 urec, ri problems): Fixed header comments.
1998 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1999 code from df_rd_transfer_function.
2001 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2003 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2004 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2005 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2007 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2009 * expr.c (undefined_operand_subword_p): New.
2010 (emit_move_multi_word): Do not generate move from undefined bits
2011 of a paradoxical subreg.
2013 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2015 PR rtl-optimization/27736
2016 * combine.c (replaced_rhs_value): New variable.
2017 (combine_instructions): Set it.
2018 (distribute_notes): When distributing a note in replaced_rhs_insn,
2019 check whether the value was used in replaced_rhs_value.
2021 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2024 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2025 add_referenced_var instead of add_referenced_tmp_var.
2026 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2027 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2029 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2030 tree_optimize_tail_calls_1): Use add_referenced_var.
2031 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2032 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2033 Use add_referenced_var.
2034 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2035 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2036 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2037 Use add_referenced_var.
2038 * tree-dfa.c (struct walk_state): Remove.
2039 (find_referenced_vars): Remove walk state and vars_found hash table.
2040 (make_rename_temp): Use add_referenced_var.
2041 (find_vars_r): Pass less parameters to add_referenced_var.
2042 (referenced_var_p): New. Is var in referenced_var hash table.
2043 (referenced_var_insert): Assert var isn't already in hash table.
2044 (add_referenced_var): Don't need walk_state parameter. Add var if it
2045 isn't already in the hash table.
2046 (add_referenced_tmp_var): Remove.
2047 (find_new_referenced_vars_1): Use add_referenced_var.
2048 * tree-ssa-pre.c (create_expression_by_pieces,
2049 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2050 Use add_referenced_var.
2051 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2052 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2053 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2055 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2056 vect_create_data_ref_ptr, vect_create_destination_var,
2057 vect_init_vector, vect_build_loop_niters,
2058 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2059 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2060 Use add_referenced_var.
2061 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2062 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2063 (add_referenced_var): Add prototype.
2064 * tree-ssa-structalias.c (get_constraint_for,
2065 intra_create_variable_infos): Use add_referenced_var.
2067 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2069 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2070 big-endian paradoxical subregs.
2071 * var-tracking.c (struct micro_operation_def): Document that,
2072 for modify micro operations, insn is the subsequent instruction.
2073 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2074 (var_reg_set, var_mem_set): ... new functions.
2075 (add_stores): Record subsequent insn.
2076 (compute_bb_dataflow): Use new functions for MO_USE.
2077 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2078 notes after the insn, and modify notes before the insn known
2079 to be the subsequent one.
2080 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2082 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2085 * config/i386/i386.c (ix86_expand_builtin): Use
2086 gen_sse3_monitor64 for TARGET_64BIT.
2088 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2090 PR rtl-optimization/26375
2091 PR rtl-optimization/26855
2092 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2094 (df_ru_bb_local_compute): Reversed statements and removed bogus
2095 comment explaining why they should be in wrong order.
2096 (df_ru_dump, df_rd_dump): Enhanced debug info.
2097 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2099 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2100 reaching uses and fixed space problem.
2102 2006-05-23 Jan Hubicka <jh@suse.cz>
2104 * cgraphunit.c (decide_is_function_needed): Also nested functions
2105 and functions declared inline can be optimized out at -O0.
2107 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2109 * doc/install.texi (Configuration): Remove reference to CrossGCC
2113 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2116 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2117 ix86_compare_emitted is non-NULL.
2119 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2122 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2125 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2127 PR rtl-optimization/25514
2128 * combine.c (replaced_rhs_insn): New variable.
2129 (combine_instructions): Set replaced_rhs_insn when trying to replace
2130 a SET_SRC with a REG_EQUAL note.
2131 (distribute_notes): Use replaced_rhs_insn when determining the live
2132 range of a REG_DEAD register.
2134 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2135 Anatoly Sokolov <aesok@post.ru>
2137 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2138 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2139 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2140 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2141 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2142 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2143 at90usb647, at90usb1286 and at90usb1287 devices.
2144 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2145 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2147 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2149 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2151 2006-05-22 Richard Guenther <rguenther@suse.de>
2154 2006-01-31 Richard Guenther <rguenther@suse.de>
2155 Paolo Bonzini <bonzini@gnu.org>
2157 * doc/install.texi (--disable-libgcc-math): Document.
2159 2006-05-22 Richard Guenther <rguenther@suse.de>
2162 2006-01-31 Richard Guenther <rguenther@suse.de>
2164 * doc/invoke.texi (-msselibm): Document.
2165 * target.h (expand_library_builtin): New target hook.
2166 * builtins.c (expand_builtin): Use expand_library_builtin.
2167 (default_expand_library_builtin): New function.
2168 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2169 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2170 (link_gcc_math_spec): Declare.
2171 (static_specs): Add link_gcc_math_spec.
2172 * expr.h (default_expand_library_builtin): Declare.
2173 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2174 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2175 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2176 * config/i386/i386.opt (msselibm): New target option.
2177 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2178 (ix86_init_sse_abi_builtins): New function.
2179 (ix86_expand_library_builtin): Likewise.
2180 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2181 (override_options): Handle error conditions wrt -msselibm.
2182 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2183 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2184 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2187 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2190 * c-common.c (self_promoting_args_p): Skip erroneous args.
2193 * c-decl.c (finish_struct): Skip erroneous fields.
2195 2006-05-22 Nick Clifton <nickc@redhat.com>
2197 * config/cris/cris.opt (march): Remove VarExists attribute.
2198 (max-stackframe=): Likewise.
2200 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2202 * doc/rtl.texi: Fix a typo.
2203 * see.c: Fix comment typos.
2205 * tree-ssa-structalias.h (alias_info): Remove num_references.
2207 2006-05-21 Mike Stump <mrs@apple.com>
2209 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2211 (darwin_pragma_options): Use BAD instead.
2212 (darwin_pragma_unused): Likewise.
2213 (darwin_pragma_ms_struct): Likewise.
2215 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2217 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2219 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2221 PR rtl-optimization/27671
2222 * simplify-rtx.c (simplify_relational_operation_1): Fix
2223 simplifications of (eq/ne (xor x y) y) and
2224 (eq/ne (xor x y) x).
2226 PR tree-optimization/26622.
2227 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2230 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2232 * tree-cfg.c: Prune whitespace.
2233 (debug_tree_cfg): Point to correct header containing the
2236 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2239 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2241 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2244 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2245 or sorry count is non zero.
2247 2006-05-20 Andreas Schwab <schwab@suse.de>
2249 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2251 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2252 Kenneth Zadeck <zadeck@naturalbridge.com>
2254 PR rtl-optimization/26855
2256 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2258 (df_scan_alloc): Added code to properly handle multiword hard
2259 registers and add all_blocks parameter.
2260 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2261 code to properly handle multiword hard registers.
2262 (df_rescan_blocks): Added code to remove deleted blocks from
2264 (df_ref_create_structure, df_ref_record): Added code to properly
2266 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2267 and set DF_REF_PARTIAL.
2268 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2269 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2270 (df_scan_add_problem): Added flags parameter.
2271 (df_ref_create_structure): Changed switching structure.
2272 (df_bb_refs_record): Fixed case where duplicate artificial refs
2273 were created. Changed location of flags.
2274 (df_record_entry_block_defs): Added code to make stack pointer
2275 live in entry block. Refined cases where frame pointer is needed.
2276 Changed location of flags.
2277 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2278 (df_set_state): Removed function.
2279 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2280 df_insn_create_insn_record, df_insn_refs_delete,
2281 df_ref_create_structure): Formatting changes.
2282 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2283 df_delete_basic_block): New function.
2284 (df_init): Changed location of flags.
2285 (df_add_problem): Added flags parameter and the way flags are
2287 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2288 debug_df_chain): Improved debugging output.
2289 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2290 (df_refs_chain_dump): Removed df parameter.
2291 (df_iterative_dataflow): Added consistency check.
2292 (df_prune_to_subcfg): Made public.
2293 (df_analyze_problem): Added blocks_to_init parameter and made
2295 (df_ref_record, df_bb_refs_record, df_mark_reg,
2296 df_record_exit_block_uses): Whitespace changes.
2297 (df_dump): Whitespace changes.
2298 * df.h: Some reordering to remove forward references.
2299 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2300 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2301 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2302 (dataflow.flags): New field.
2303 (df.flag): Deleted field.
2304 (df_alloc_function): Added additional bitmap parameter.
2305 (df_dependent_problem_function): New type.
2306 (df_problem.changeable_flags): New field.
2307 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2308 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2309 (df_mw_hardreg): New struct.
2310 (DF_INSN_UID_MWS): New macro.
2311 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2313 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2314 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2315 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2316 (df_set_state): Removed function.
2317 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2318 * df-problems.c (df_chain_dump): Removed df parameter.
2319 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2320 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2322 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2323 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2324 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2325 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2326 DF_REF_MUST_CLOBBER cases.
2327 (df_ru_bb_local_compute_process_def,
2328 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2329 df_lr_bb_local_compute, df_ur_bb_local_compute,
2330 df_chain_create_bb): Made subreg aware.
2331 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2332 df_lr_bb_local_compute, df_lr_bb_local_compute,
2333 df_chain_create_bb): Cleanup to use proper macros.
2334 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2335 code to fixup bitvectors.
2336 (df_ri_alloc): Cleared lifetime.
2337 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2338 df_create_unused_note): New function.
2339 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2340 REG_DEAD and REG_UNUSED notes as well as register information.
2341 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2342 df_chains_dump): Fixed crash if problem was never run.
2343 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2344 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2345 df_ri_add_problem): Processes flags in uniform manner.
2346 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2347 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2348 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2349 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2350 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2351 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2352 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2353 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2354 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2355 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2356 * see.c (see_initialize_data): Ditto.
2357 * final.c (rest_of_clean_state) Added regstack_completed.
2358 * rtl.h (regstack_completed): Ditto.
2359 * reg-stack.c (regstack_completed): Ditto.
2361 2006-05-19 Mike Stump <mrs@apple.com>
2363 * c-tree.h (default_conversion): Remove.
2364 * c-common.h (default_conversion): Add.
2366 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2368 * tree-vrp.c (valid_value_p): New function.
2369 (adjust_range_with_scev): Fail if the value of bound is not
2372 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2374 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2375 (mips_fallback_frame_state): Use syscall numbers to determine
2376 the appropriate li instruction for the current ABI. Only use
2377 __NR_sigreturn for o32.
2379 2006-05-19 Nicolas Setton <setton@adacore.com>
2381 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2382 * langhooks.c (lhd_dwarf_name): New function.
2383 * langhooks-def.h (lhd_dwarf_name): Declare.
2384 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2385 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2386 * ada/misc.c (gnat_dwarf_name): New function.
2387 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2389 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2391 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2393 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2394 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2395 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2396 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2397 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2398 determine the size of Wtype, etc.
2399 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2400 (swfloatfuncs): New variable.
2401 (dwfloatfuncs): Likewise.
2402 (lib2funcs): Remove floating-point conversion functions from
2403 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2404 the set of conversion routines needed. Allow entries to specify
2405 an object name, filename and word size. Update users accordingly.
2406 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2407 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2411 2006-02-08 Roger Sayle <roger@eyesopen.com>
2414 * config/fixtfdi.c: New libgcc source file.
2415 * config/fixunstfdi.c: New source file.
2416 * config/floatditf.c: New source file.
2417 * config/floatunditf.c: New souce file.
2418 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2419 files above instead of config/mips/_tilib.c.
2420 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2422 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2424 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2425 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2427 2006-05-18 Mike Stump <mrs@apple.com>
2429 Fix up vla, vm and [*] sematics.
2435 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2436 (c_vla_unspec_p): Add.
2437 (c_vla_type_p): Add.
2438 * c-decl.c (struct c_scope): Add had_vla_unspec.
2439 (build_array_declarator): Add support for [*].
2440 (grokdeclarator): Likewise.
2441 (grokparms): Likewise.
2442 (get_parm_info): Likewise.
2443 * c-objc-common.c (c_vla_unspec_p): Likewise.
2444 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2445 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2446 typeof when argument is a variably modified type not inside sizeof or alignof.
2447 (c_parser_direct_declarator_inner): Propagate errors.
2448 (c_parser_sizeof_expression): Add support for [*].
2449 (c_parser_parms_declarator): Initialize had_vla_unspec.
2450 (c_parser_parms_list_declarator): Likewise.
2451 * c-typeck.c (c_vla_type_p): Add.
2452 (composite_type): Add support for vla compositing.
2453 (comptypes_internal): Add support for vla compatibility.
2454 (c_expr_sizeof_expr): Evaluate vla arguments.
2455 * tree.c (variably_modified_type_p): Update comment for [*].
2457 2006-05-18 Michael Matz <matz@suse.de>
2460 * config.host: Make assignments to host_xmake_file cumulative.
2461 * config.host (*-darwin*): Test $host, not $target.
2463 2006-05-12 Stuart Hastings <stuart@apple.com>
2465 * config/i386/i386.opt (-mstackrealign): New flag.
2466 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2467 (ix86_handle_cconv_attribute): Emit error when
2468 force_align_arg_pointer attribute collides with too many regparms.
2469 (ix86_function_regparm): Limit regparms when used with
2470 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2471 Support stack-realigning prologue in non-main functions. Emit
2472 warning for nested functions under -mstackrealign, emit error for
2473 nested functions with force_align_arg_pointer attribute.
2474 * doc/extend.texi (force_align_arg_pointer): Document it.
2475 * doc/invoke.texi (-mstackrealign): Document it.
2477 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2479 PR rtl-optimization/27477
2480 * combine.c (try_combine): Don't split a parallel consisting
2481 of two sets into two individual sets if both sets reference
2484 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2486 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2487 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2489 * doc/options.texi (VarExists): Updated.
2491 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2493 * unwind-dw2.c: Add declarations for uw_update_context and
2495 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2496 detected, advance frame state and context once to skip over stub.
2498 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2502 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2503 Call rewrite_into_loop_closed_ssa only when something changed.
2504 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2505 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2506 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2507 Test for perfect_nest_p here. Fix formating.
2508 (replace_uses_equiv_to_x_with_y): Fix formating.
2509 (stmt_uses_op): Removed.
2510 (can_convert_to_perfect_nest): Removed loopivs parameter.
2511 Complete the test by checking the scalar dependences.
2512 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2515 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2518 From Dan Kegel <dank@kegel.com>:
2519 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2521 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2523 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2524 if the element type is variably modified without recursing.
2526 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2529 * tree-loop-linear.c (try_interchange_loops): Test for
2530 no data dependences.
2532 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2534 PR tree-optimization/27548
2535 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2536 range of ssa names that appear on abnormal edges.
2537 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2538 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2540 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2543 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2545 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2548 * tree.h (OMP_PARALLEL_COMBINED): Define.
2549 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2550 (new_omp_context): Add is_combined_parallel argument.
2551 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2552 new_omp_context caller.
2553 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2554 Adjust gimplify_scan_omp_clauses callers.
2555 (omp_is_private): Issue errors if iteration variable is firstprivate
2556 or reduction in the current context.
2557 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2558 on combined parallel workshare constructs.
2560 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2562 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2563 (gcc-options.o): New rule.
2565 * optc-gen.awk: Protect variables for gcc-options.o with
2566 #ifdef GCC_DRIVER/#endif.
2568 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2570 Fix PR tree-optimization/27373
2571 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2572 (forward_propagate_addr_expr): Update call.
2574 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2576 * doc/options.texi: Move the Negative option.
2578 2006-05-16 Richard Guenther <rguenther@suse.de>
2580 PR tree-optimization/22303
2581 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2583 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2584 ccp_fold did not simplify the statement.
2586 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2589 * Makefile.in (GCC_OBJS): New.
2590 (OBJS-common): Add opts-common.o.
2591 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2592 (cpp$(exeext)): Likewise.
2593 (gcc.o): Also depend on opts.h.
2594 (opts-common.o): New.
2596 * common.opt (gcoff): Add Negative(gdwarf-2).
2597 (gdwarf-2): Add Negative(gstabs).
2598 (gstabs): Add Negative(gstabs+).
2599 (gstabs+): Add Negative(gvms).
2600 (gvms): Add Negative(gxcoff).
2601 (gxcoff): Add Negative(gxcoff+).
2602 (gxcoff+): Add Negative(gcoff).
2603 * config/i386/i386.opt (m32): Add Negative(m64).
2604 (m64): Add Negative(m32).
2606 * doc/options.texi: Document the Negative option.
2608 * gcc.c: Include "opts.h".
2609 (main): Call prune_options after expandargv.
2611 * optc-gen.awk: Generate common declarations for all flag
2612 variables in options.c. Output the neg_index field.
2614 * opts.c (find_opt): Moved to ...
2615 * opts-common.c: Here. New file.
2617 * opts.h (cl_option): Add a neg_index field.
2619 (prune_options): Likewise.
2621 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2624 * omp-low.c (expand_omp_parallel): Don't assert
2625 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2626 instead search for it.
2629 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2632 2006-05-16 Andreas Schwab <schwab@suse.de>
2634 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2637 2006-05-15 Roger Sayle <roger@eyesopen.com>
2640 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2641 integer constants other than zero are only legitimate on TARGET_64BIT.
2642 <CONST_VECTOR> Only zero vectors are legitimate.
2643 (ix86_cannot_force_const_mem): Integral and vector constants can
2644 always be put in the constant pool.
2646 2006-05-16 DJ Delorie <dj@redhat.com>
2648 * crtstuff.c (__dso_handle): Set section from
2649 TARGET_LBIGCC_SDATA_SECTION if defined.
2650 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2651 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2653 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2656 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2659 2006-05-16 Ben Elliston <bje@au.ibm.com>
2661 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2663 2006-05-15 Per Bothner <per@bothner.com>
2665 * tree.c: (last_annotated_node): Use source_locus typedef.
2666 This permits bootstrapping with --enable-mapped-location.
2668 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2670 PR tree-optimization/26830
2671 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2672 (info_for_ssa_name, current_info_for_ssa_name_age,
2673 blocks_to_update): New variables.
2674 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2675 (clear_ssa_name_info, initialize_flags_in_bb,
2676 mark_block_for_update): New functions.
2677 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2678 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2679 prepare_def_site_for): Use mark_block_for_update.
2680 (mark_def_interesting): Assert that the processed block is marked in
2681 blocks_to_update. Do not take blocks argument.
2682 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2684 (rewrite_update_init_block, rewrite_update_stmt): Only process
2685 blocks with statements to rewrite.
2686 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2687 (update_ssa): Initialize and free blocks_to_update. Do not
2688 clear flags on statements. Do not use blocks bitmap.
2689 * tree.h (SSA_NAME_AUX): Removed.
2690 (struct tree_ssa_name): Removed aux field.
2691 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2693 2006-05-15 Richard Guenther <rguenther@suse.de>
2695 PR tree-optimization/27603
2696 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2697 Do computations in original type.
2699 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2701 * see.c: Code style changes such as redundant paranthesis,
2702 redundant intialization of local variables etc.
2703 (see_main): Declared now as static.
2704 * doc/invoke.texi: Update that -fsee is not enabled by
2707 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2709 * omp-low.c (check_omp_nesting_restrictions): New function.
2710 (scan_omp_1): Call it.
2713 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2714 construct, return *VAR.
2716 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2718 PR rtl-optimization/27406
2719 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2722 2006-05-14 Roger Sayle <roger@eyesopen.com>
2724 PR rtl-optimization/27538
2725 * combine.c (expand_compound_operation): Call gen_lowpart
2726 before calling simplify_shift_const.
2728 2006-05-14 Roger Sayle <roger@eyesopen.com>
2730 PR rtl-optimization/22563
2731 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2732 a fixed width bitfield, always force the intermediates into psuedos.
2734 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2737 * mkconfig.sh: Use operator = instead of == for test.
2739 2006-05-13 Nick Clifton <nickc@redhat.com>
2741 * dwarf2out.c (dbx_reg_number): Check return value from
2742 LEAF_REG_REMAP and only use it if it is valid.
2743 (multiple_reg_loc_descriptor): Likewise.
2745 2006-05-13 Richard Guenther <rguenther@suse.de>
2747 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2750 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2752 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2753 information attached to non-INSNs such as NOTEs.
2754 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2756 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2758 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2760 * config/s390/s390.md: Adjust comment describing On constraint.
2762 2006-05-11 Jan Hubicka <jh@suse.cz>
2764 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2765 to be output at -O0.
2767 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2770 * fold-const.c (size_binop): Move sanity check for arguments to
2771 the beginning of the function.
2774 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2777 2006-05-11 Richard Guenther <rguenther@suse.de>
2780 * fold-const.c (fold_unary): Handle intermediate conversion
2781 to a pointer type like intermediate conversion to an integer
2782 type in folding of (T1)(T2)var to var.
2783 Match the code to the comment in the final conversion for
2784 (T1)(T2)var to (T1)var regarding to type precision. Rather
2785 than disallow T1 being of pointer type, assert that both T1
2786 and var are of pointer type or not. Make sure not to fall
2787 over the frontends lazyness wrt array to pointer decay though.
2789 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2791 * arm.c (arm_struct_value_rtx): Delete.
2792 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2793 (arm_init_cumulative_args): Always initialize nregs to zero.
2795 2006-05-10 Richard Guenther <rguenther@suse.de>
2797 PR tree-optimization/27532
2798 * tree-object-size.c (plus_expr_object_size): Fix typo.
2800 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2803 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2804 ashrdi_const, ashrdi3): Use a scratch register.
2806 2006-05-10 Richard Guenther <rguenther@suse.de>
2808 PR tree-optimization/27302
2809 * fold-const.c (operand_equal_p): For two comparisons,
2810 try comparison of one comparison code swapped if that yields
2813 2006-05-10 Ben Elliston <bje@au.ibm.com>
2815 * tree-pretty-print.c (pretty_print_string): No need to handle
2816 '\0' as a special character.
2818 * tree.h: Include "hashtab.h".
2819 (iterative_hash_expr): Use hashval_t in its prototype.
2820 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2822 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2825 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2826 (hppa*64*-*-hpux11*): Ditto.
2827 (hppa[12]*-*-hpux11*): Ditto.
2829 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2832 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2834 2006-05-09 Michael Matz <matz@suse.de>
2836 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2837 host_extra_gcc_objs and host_xmake_file.
2838 (<*-*-linux*>): Don't overwrite host_xmake_file.
2839 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2840 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2841 (host_detect_local_cpu): Declare.
2842 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2843 * config/i386/i386.c (override_options): Handle -mtune=native
2845 * config/i386/x-i386: New file.
2846 * config/i386/driver-i386.c: New file.
2847 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2850 2006-05-09 Dirk Mueller <dmueller@suse.de>
2851 Richard Guenther <rguenther@suse.de>
2854 * fold-const.c (fold_read_from_constant_string): Relax check
2855 for matching types to matching modes.
2857 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2859 PR rtl-optimization/27335
2860 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2863 2006-05-08 Chao-ying Fu <fu@mips.com>
2864 Richard Sandiford <richard@codesourcery.com>
2866 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2867 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2868 * config/mips/mips.md (UNSPEC_SCC): New constant.
2869 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2870 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2871 (mips_emit_compare): Use it.
2872 (mips_expand_vcondv2sf): New function.
2874 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2876 Fix PR tree-optimization/27093
2877 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2878 renaming when they become not-used_alone.
2880 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2882 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2883 relocation and relocation stubs.
2885 2006-05-08 Eric Christopher <echristo@apple.com>
2887 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2890 2006-05-08 Jan Hubicka <jh@suse.cz>
2893 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2894 unused static functions are needed.
2896 2006-05-08 Roger Sayle <roger@eyesopen.com>
2899 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2900 of a reg_equiv_constant if the result is a legitimate constant.
2902 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2905 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2906 standard 80387 constants, raise the cost to prevent
2907 compress_float_constant() to generate load from memory.
2909 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2911 * config/arm/constraints.md (c): Fix a typo.
2913 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2916 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2919 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2921 (_mm_mwait): Likewise.
2923 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2925 (sse3_monitor): Make it 32bit only.
2926 (sse3_monitor64): New. 64bit monitor.
2928 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2931 * config/i386/i386.c (classify_argument): Skip fields with invalid
2934 2006-05-07 Richard Guenther <rguenther@suse.de>
2936 PR tree-optimization/27409
2937 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2938 Do not try to find zero-sized subvars.
2940 2006-05-07 Richard Guenther <rguenther@suse.de>
2942 PR tree-optimization/27136
2943 * tree-ssa-loop-niter.c (get_val_for): Correct function
2944 comment, assert requirements.
2945 (loop_niter_by_eval): Stop processing if the iterated
2946 value did not simplify.
2948 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2950 * opts.c (flag_see): remove its setting at -O3.
2952 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2954 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2955 * arm/constraints.md: New file.
2956 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2957 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2958 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2959 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2960 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2961 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2962 * arm.md: Include constraints.md.
2963 (thumb_movsi_insn): Use satisfies_constraint_J.
2964 (movhi, movqi): Use satisfies_constraint_I.
2966 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2968 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2969 for atmeg a645 device.
2971 2006-05-06 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/27151
2974 * tree-vect-transform.c (vectorizable_condition): Punt on
2975 values that have a different type than the condition.
2977 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2980 * c-parser.c (c_parser_cast_expression): Only insert casts into
2981 hash table if pointer.
2982 * function.c (used_types_insert_helper): Rename from
2984 (used_types_insert): Call used_types_insert_helper.
2985 * function.h (used_types_insert): Accept only one argument.
2987 2006-05-05 David Edelsohn <edesohn@gnu.org>
2989 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2990 scratch with output modifier.
2992 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2995 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2996 with output modifier.
2998 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3001 * config/mips/mips.c (mips_symbolic_address_p): Return true
3002 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3003 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3005 2006-05-04 Richard Guenther <rguenther@suse.de>
3007 PR tree-optimization/14287
3008 PR tree-optimization/14844
3009 PR tree-optimization/19792
3010 PR tree-optimization/21608
3011 PR tree-optimization/27090
3012 * tree-ssa-pre.c (try_combine_conversion): New function.
3013 (compute_avail): After constructing the value-handle
3014 expression, use try_combine_conversion to combine NOP_EXPRs
3015 with previous value-handle expressions and use the result if it
3018 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3020 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3022 2006-05-04 Jan Hubicka <jh@suse.cz>
3025 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3027 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3029 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3030 that this only matches CONST_INTs. All users changed to VOIDmode
3033 * config/bfin/bfin.c: Include "optabs.h".
3034 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3036 (enum bfin_builtins): Add a number of fractional and vector builtins.
3037 (bfin_init_builtins): Likewise.
3038 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3039 (safe_vector_operand, bfin_expand_binop_builtin,
3040 bfin_expand_unop_builtin): New functions.
3041 (bfin_expand_builtin): Handle the new builtins.
3042 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3045 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3048 * Makefile.in (OBJS-common): Add see.o.
3049 (see.o): Add dependencies.
3050 * common.opt (fsee): New flag for the see optimization was added.
3051 * opts.c (flag_see): Initialized.
3052 * passes.c (init_optimization_passes, pass_see): New pass.
3053 * rtl.h (see_main): Declaration as extern.
3054 * timevar.def (TV_SEE): New.
3055 * tree-pass.h (pass_see): Declaration as extern.
3056 * invoke.texi (-fsee): Document.
3057 * recog.c (validate_simplify_insn): New function.
3058 * recog.h (validate_simplify_insn): Declaration as extern.
3059 * df-problems.c (df_chain_dump): Check for NULL.
3061 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3062 Daniel Berlin <dberlin@dberlin.org>
3064 * cfgrtl.c (insert_insn_bb_end_new): New function.
3065 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3067 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3069 * df.h (struct web_entry): Moved from web.c.
3070 (union_defs): Declaration as extern.
3071 (unionfind_root): Likewise.
3072 (unionfind_union): Likewise.
3073 * web.c (struct web_entry): Moved to df.h.
3074 (unionfind_root): Remove static declaration.
3075 (unionfind_union): Likewise.
3076 (union_defs): Likewise and generalize to use callback function.
3077 (web_main): Update arguments for union_defs function call.
3079 2006-05-04 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/26447
3082 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3083 produce SSA_NAME copies before the store stmt to avoid
3084 breaking exception handling.
3086 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3089 * gimplify.c (omp_is_private): If var is shared in some outer context,
3090 return false instead of true. Stop searching on parallel context
3093 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3096 * coverage.c: Use get_gcov_unsigned_t() instead of
3097 unsigned_type_node all over.
3099 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3101 PR tree-optimization/27381
3102 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3103 maintain the same immediate_use links.
3104 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3105 node rather than segfaulting.
3107 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3110 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3111 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3112 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3114 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3116 Fix PR tree-optimization/26626
3117 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3119 * tree-ssa-operands.c (access_can_touch_variable): Allow
3120 typecasting through union pointers.
3122 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3125 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3126 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3127 to find if var will be a global variable even in the nested context.
3128 (omp_copy_decl): Only check for global variable at the end, it might
3129 be overridden in outer contexts.
3130 (scan_sharing_clauses): For global variables don't create a field.
3131 (lower_rec_input_clauses): Do nothing for global shared variables.
3132 Emit a barrier at the end of ILIST if there were any decls in both
3133 firstprivate and lastprivate clauses.
3134 (lower_send_clauses): Do nothing for global variables except for
3137 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3139 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3140 of the correct signedness is returned.
3142 2006-05-02 Jeff Law <law@redhat.com>
3144 PR tree-optimization/27364
3145 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3146 multiply expressions.
3148 2006-05-02 Tom Tromey <tromey@redhat.com>
3150 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3152 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3155 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3156 -mthumb -fPIC are used.
3158 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3159 Joshua Kinard <kumba@gentoo.org>
3162 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3163 with 64-bit pointers.
3165 2006-05-02 Paul Brook <paul@codesourcery.com>
3167 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3169 (create_fix_barrier): Check that a suitable barrier location is
3171 (arm_reorg): Include ftmp->address in allowable range of addresses.
3173 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3176 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3179 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3182 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3183 around RESULT_DECL for result passed by reference.
3184 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3185 * omp-low.c (use_pointer_for_field): Don't look at
3186 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3187 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3188 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3189 time or var for passing by reference for
3190 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3191 TREE_ADDRESSABLE variables when passing by reference.
3193 * omp-low.c (dump_omp_region): Fix output formatting.
3196 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3197 (expand_omp_parallel): Likewise.
3198 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3201 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3202 on statement list containing also constructors and destructors.
3203 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3206 * except.c (duplicate_eh_regions): Fix clearing of
3207 cfun->eh->region_array entries.
3209 2006-05-01 DJ Delorie <dj@redhat.com>
3211 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3213 (gcc_cv_objdump): Likewise.
3214 * configure: Regenerated.
3216 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3219 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3220 templates for case 3 and 4.
3222 2006-05-01 DJ Delorie <dj@redhat.com>
3224 * vec.c: Include bconfig.h when appropriate.
3225 * Makefile.in (build/vec.o): Adjust dependencies.
3226 * mkconfig.sh: Make sure config.h isn't used for build machine
3229 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3231 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3233 (mark_phi_for_rewrite): New function.
3234 (insert_phi_nodes_for, mark_use_interesting): Call
3235 mark_phi_for_rewrite.
3236 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3237 (update_ssa): Initialize and free phis_to_rewrite.
3239 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3241 PR rtl-optimization/27291
3242 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3243 folded to a constant.
3245 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3247 PR tree-optimization/27283
3248 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3249 not whole # of iteration descriptions.
3250 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3251 uses abnormal ssa name.
3252 (niter_for_single_dom_exit): Ditto.
3253 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3254 return just the number of iterations.
3256 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3258 PR tree-optimization/27144
3259 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3260 (record_estimate): Only record constant upper bound.
3261 (infer_loop_bounds_from_undefined): Call
3262 compute_estimated_nb_iterations just once.
3263 (proved_non_wrapping_p): Renamed to ...
3264 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3265 (convert_step_widening, scev_probably_wraps_p): Call
3266 n_of_executions_at_most instead of proved_non_wrapping_p.
3267 (substitute_in_loop_info): Do not replace values in bounds.
3268 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3271 2006-05-01 Richard Henderson <rth@redhat.com>
3274 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3275 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3278 2006-05-01 Roger Sayle <roger@eyesopen.com>
3280 * c-typeck.c (parser_build_binary_op): Don't call the function
3281 unsigned_conversion_warning to spot operand/result type overflow.
3282 (build_binary_op): Instead, call convert_and_check instead of
3283 convert to report the problem when the operands are promoted.
3284 * c-common.c (unsigned_conversion_warning): Make static.
3285 * c-common.h (unsigned_conversion_warning): Delete prototype.
3287 2006-05-01 Richard Guenther <rguenther@suse.de>
3289 PR tree-optimization/26726
3290 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3292 (find_interesting_uses_address): ... we work around here
3293 by folding INDIRECT_REFs in the substituted base.
3295 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3297 * omp-low.c (dump_omp_region): Add newlines.
3299 2006-04-30 Roger Sayle <roger@eyesopen.com>
3301 * common.opt (Woverflow): New command line option.
3302 * c-common.c (constant_expression_warning): Check warn_overflow.
3303 (overflow_waring): Pass OPT_Woverflow to warning.
3304 (unsigned_conversion_warning): Likewise.
3305 (convert_and_check): Likewise.
3306 * doc/invoke.texi: Document new command line option.
3308 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3310 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3311 TARGET_NO_FP_IN_TOC for section anchors.
3312 (optimization_options): Enable section anchors for all
3313 non-"Objective" languages.
3315 2006-04-28 Eric Christopher <echristo@apple.com>
3317 * config/darwin-c.c (darwin_ms_struct): Move this
3318 (darwin_set_default_type_attributes): and this...
3319 * config/darwin.c: ... here.
3320 * config/darwin.h (darwin_ms_struct): Declare.
3322 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3324 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3326 2006-04-28 Roger Sayle <roger@eyesopen.com>
3329 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3330 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3331 an unsigned HOST_WIDE_INT.
3332 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3334 (really_start_incremental_init): No need to call convert because
3335 bitsize_zero_node is already of type bitsizetype.
3336 (push_init_level): Extract the value of constructor_index as an
3337 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3338 (process_init_element): Likewise.
3340 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3342 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3343 value before passing to make_relative_prefix.
3345 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3348 * builtins.c (expand_builtin_memset): Expand val in original mode.
3350 2006-04-27 Eric Christopher <echristo@apple.com>
3352 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3353 with #ifndef/#endif.
3354 * config/darwin-c.c (darwin_ms_struct): New.
3355 (darwin_pragma_ms_struct): Ditto.
3356 (darwin_set_default_type_attributes): Ditto.
3357 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3358 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3359 Register ms_struct pragma.
3360 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3361 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3362 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3363 darwin_set_default_type_attributes if TARGET_MACHO.
3365 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3367 PR tree-optimization/26854
3368 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3369 * doc/tree-ssa.texi: Update immuse iterator documentation.
3370 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3371 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3372 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3373 first_safe_imm_use, next_safe_imm_use): Remove.
3374 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3375 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3376 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3377 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3378 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3379 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3380 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3381 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3382 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3383 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3384 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3385 (perfect_nestify): Use new iterator.
3386 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3388 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3389 (next_imm_name): New field in struct immediate_use_iterator_d.
3390 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3391 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3392 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3393 * tree-cfg.c (replace_uses_by): Use new iterator.
3394 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3395 * tree-ssa-operands.c (correct_use_link): Remove.
3396 (finalize_ssa_use_ops): No longer call correct_use_link.
3398 2006-04-27 Stuart Hastings <stuart@apple.com>
3400 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3401 * config/t-darwin (crt3.o): Use it.
3402 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3403 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3404 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3405 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3406 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3409 2006-04-27 Roger Sayle <roger@eyesopen.com>
3411 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3412 size, force the intermediate into a new pseudo rather instead of
3413 performing both a bitwise AND and a bitwise IOR in memory.
3415 2006-04-27 Richard Guenther <rguenther@suse.de>
3417 PR rtl-optimization/26685
3418 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3419 this one "max-flow-memory-locations".
3421 2006-04-27 Richard Guenther <rguenther@suse.de>
3423 PR tree-optimization/25148
3424 * tree-vrp.c (compare_values): Remove code dealing with
3425 comparisons against type min/max value. Honour overflow
3426 and negative constants in code dealing with comparisons
3427 of plus and minus expressions.
3428 (value_inside_range): Use fold_binary with LE_EXPR and
3429 GE_EXPR rather than compare_values.
3431 2006-04-27 Dirk Mueller <dmueller@suse.de>
3433 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3436 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3438 * basic-block.h (safe_insert_insn_on_edge): Removed.
3439 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3441 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3442 Paolo Bonzini <bonzini@gnu.org>
3445 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3446 (simplify_and_const_int): Same.
3448 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3450 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3452 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3455 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3456 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3457 cgraph_global_info_ready.
3460 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3463 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3464 either decl or init is error_mark_node.
3467 * tree-flow.h (struct omp_region): Add sched_kind.
3468 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3469 instead of extracting omp for data.
3470 (expand_omp_for): Save extracted sched_kind.
3472 2006-04-25 Roger Sayle <roger@eyesopen.com>
3474 * expmed.c (store_bit_field): Also check whether the bitsize is
3475 valid for the machine's "insv" instruction before moving the
3476 target into a pseudo for use with the insv.
3477 * config/i386/predicates.md (const8_operand): New predicate.
3478 * config/i386/i386.md (extv, extzv, insv): Use the new
3479 const8_operand predicate where appropriate.
3481 2006-04-25 DJ Delorie <dj@redhat.com>
3483 * doc/install.texi (Specific): Clarify that this is not a list of
3484 supported hosts or targets.
3486 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3488 PR rtl-optimization/26725
3489 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3490 block's BB_DIRTY flag.
3492 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3494 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3497 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3498 to print an integer.
3500 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3502 * varasm.c (align_variable): New function.
3503 (get_block_for_decl): Apply align_variable to DECL before
3504 calculating section information.
3505 (assemble_variable): Split out alignment computation.
3507 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3509 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3512 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3514 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3515 MODE_PARTIAL_INT mode.
3516 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3517 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3519 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3520 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3522 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3524 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3526 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3527 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3528 MACFLAG_IH): Likewise.
3529 (movstricthi_1): Renamed from "*movstricthi".
3530 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3531 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3532 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3533 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3534 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3535 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3536 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3537 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3538 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3539 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3540 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3541 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3542 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3543 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3544 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3546 * doc/rtl.texi (ss_ashift): Improve wording.
3548 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3550 * dwarf2out.c (verify_marks_clear): New.
3551 (prune_unused_types): Call verify_marks_clear initially, not
3554 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3556 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3557 * doc/rtl.texi: Document them.
3558 * simplify-rtx.c (simplify_unary_operation,
3559 simplify_binary_operation_1): Don't abort when we see them.
3561 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3564 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3565 * configure.ac: Completely disregard languages that are not
3567 * configure: Regenerated.
3569 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3570 Richard Guenther <rguenther@suse.de>
3572 PR tree-optimization/27236
3573 * tree-inline.c (copy_body_r): Make sure to copy
3574 TREE_THIS_VOLATILE flag.
3576 2006-04-24 Richard Guenther <rguenther@suse.de>
3579 * tree-complex.c (update_parameter_components): Don't handle
3580 unused parameters which have no default def.
3582 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3583 Richard Guenther <rguenther@suse.de>
3585 PR tree-optimization/27218
3586 * tree-inline.c (expand_call_inline): Strip useless type
3587 conversions for the return slot address.
3589 2006-04-24 Richard Guenther <rguenther@suse.de>
3591 * cfgloop.h (struct loops): Remove unused field array. Reorder
3593 (LOOP_PREFETCH): Remove.
3595 2006-04-24 Richard Guenther <rguenther@suse.de>
3597 PR tree-optimization/22525
3598 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3599 variable, adjust types of generated expressions.
3601 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3603 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3604 (tree-vect-patterns.o): Likewise.
3606 (cselib.o): Likewise.
3607 (loop-doloop.o): Likewise.
3608 (regclass.o): Likewise.
3609 (reload1.o): Likewise.
3610 (explow.o): Replace target.h with $(TARGET_H).
3611 (ipa-prop.o): Likewise.
3612 (ipa-cp.o): Likewise.
3613 (ipa-inline.o): Likewise.
3614 (reorg.o): Likewise.
3615 (reg-stack.o): Likewise.
3617 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3619 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3621 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3623 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3625 * configure.ac: Completely disregard languages that are not
3627 * configure: Regenerated.
3630 * c-common.h (c_build_bitfield_integer_type): Declare.
3631 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3632 * c-common.c (c_build_bitfield_integer_type): ... here.
3634 2006-04-23 Roger Sayle <roger@eyesopen.com>
3637 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3638 a SImode SUBREG of a floating point register after no_new_pseudos.
3640 2006-04-23 Roger Sayle <roger@eyesopen.com>
3642 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3643 identify potentially eliminable registers to additionally catch
3644 VIRTUAL_INCOMING_ARGS_REGNUM.
3645 (addsi3): Update the conditions on when to use addsi_small_int.
3647 2006-04-23 Roger Sayle <roger@eyesopen.com>
3650 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3651 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3652 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3654 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3656 * fold-const.c (range_predecessor): Use operand_equal_p
3657 as the predicate for equality.
3658 (range_successor): Likewise.
3660 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3663 * config/soft-fp/op-common.h: Fix a typo.
3665 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3668 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3669 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3671 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3673 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3675 * doc/tm.texi: Fix a typo.
3677 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3679 * dwarf2out.c (struct die_struct): Document that die_sib makes
3680 a circular linked list.
3681 (FOR_EACH_CHILD): New.
3682 (reverse_die_lists): Delete.
3683 (reverse_all_dies): Delete.
3684 (add_dwarf_attr): Correct documentation.
3685 (remove_child_with_prev): New.
3686 (remove_child_TAG): Update for change to die_struct, use
3687 remove_child_with_prev.
3688 (add_child_die): Update for change to die_struct.
3689 (splice_child_die): Use remove_child_with_prev and add_child_die.
3690 (print_die): Use FOR_EACH_CHILD.
3691 (die_checksum): Likewise.
3692 (assign_symbol_names): Likewise.
3693 (output_location_lists): Likewise.
3694 (build_abbrev_table): Likewise.
3695 (calc_die_sizes): Likewise.
3696 (mark_dies): Likewise.
3697 (unmark_dies): Likewise.
3698 (unmark_all_dies): Likewise.
3699 (output_die): Likewise.
3700 (prune_unused_types_mark): Likewise.
3701 (prune_unused_types_walk): Likewise.
3702 (same_die_p): Update for change to die_struct.
3703 (break_out_includes): Likewise.
3704 (prune_unused_types_prune): Likewise.
3705 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3706 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3708 (dwarf2out_finish): Don't call reverse_all_dies.
3710 2006-04-21 Eric Christopher <echristo@apple.com>
3712 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3713 in comments and function names.
3715 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3718 * c-typeck.c (digest_init): Robustify.
3720 * c-typeck.c (pop_init_level): Simplify.
3722 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3724 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3726 2006-04-21 Paul Brook <paul@codesourcery.com>
3728 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3729 hardware floating point.
3731 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3733 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3736 2006-04-21 Nick Clifton <nickc@redhat.com>
3738 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3741 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3744 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3745 C++ lang type in traceback table for Objective-C++.
3747 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3749 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3751 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3753 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3756 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3757 were errors. Remove check for erroneous objects.
3759 2006-04-20 Jeff Law <law@redhat.com>
3761 PR tree-optimization/26854
3762 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3763 checking for zero or one use.
3764 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3765 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3766 * tree-ssa-reassoc.c (negate_value): Similarly.
3767 (reassociate_bb): Similarly.
3769 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3771 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3772 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3773 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3775 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3777 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3778 fp regs if the last fp arg doesn't fit in regs.
3780 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3783 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3784 that the last insn has the REG_INC note.
3786 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3787 Nathan Sidwell <nathan@codesourcery.com>
3790 * stor-layout.c (update_alignment_for_field): Do not align
3792 (place_union_field): Place union field at the start of the union.
3793 (place_field): Move ERROR_MARK check later, and use the current
3794 allocation position to maintain monotonicity.
3796 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3798 * dominance.c: Include timevar.h.
3799 (calculate_dominance_info): Use TV_DOMINANCE.
3800 * timevar.def (TV_DOMINANCE): New timevar.
3801 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3803 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3805 PR rtl-optimization/14261
3806 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3807 move would be an INSV insn.
3808 (noce_process_if_block): Don't optimize if the destination is a
3809 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3811 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3813 * config/s390/s390.md: Add comments with the instructions emitted
3814 by an insn pattern if macros are used.
3816 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3818 PR rtl-optimization/26026
3819 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3820 is a known power of two shifted left a variable amount.
3822 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3824 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3825 to hash table twice when the debug_str section has SECTION_MERGE.
3827 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3829 * config/soft-fp: New directory. From glibc.
3830 * config/soft-fp/t-softfp: New.
3831 * config/soft-fp/README: New.
3832 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3833 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3834 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3835 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3836 * config.gcc: Use rs6000/t-fprules-fpbit or
3837 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3839 * config/rs6000/sfp-machine.h: New. Based on glibc.
3840 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3842 * config/rs6000/t-fprules: Remove fp-bit rules.
3843 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3844 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3845 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3846 (softfp_wrap_start, softfp_wrap_end): New.
3848 2006-04-18 DJ Delorie <dj@redhat.com>
3850 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3852 2006-04-18 Devang Patel <dpatel@apple.com>
3854 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3856 2006-04-18 Nick Clifton <nickc@redhat.com>
3858 * config/sh/t-symbian: Add rule to build sh-c.o
3859 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3860 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3861 (sh_symbian_encode_section_info): Likewise.
3863 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3865 * builtins.c (expand_builtin_strcmp): Cover label definition of
3866 do_libcall with HAVE_cmpstrnsi.
3868 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3870 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3872 * function.h (temp_slot_p): New.
3873 (function): Change the type of x_used_temp_slots to
3874 VEC(temp_slot_p,gc) *.
3876 2006-04-18 Nick Clifton <nickc@redhat.com>
3878 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3879 flag_strength_reduce.
3881 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3883 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3887 Partial revert of revision 112637
3888 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3889 Dale Johannesen <dalej@apple.com>
3892 * regclass.c (struct reg_pref): Update documentation.
3893 (regclass): Set prefclass to NO_REGS if memory is the best option.
3894 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3896 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3898 PR tree-optimization/26821
3899 * tree-ssa-math-opts.c (get_constant_one): New.
3900 (insert_reciprocals): Use it.
3902 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3904 * dwarf2out.c (free_AT): Delete.
3905 (remove_AT): Update string ref counts.
3906 (remove_child_TAG): Don't call free_die.
3908 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3909 or DW_TAG_GNU_EINCL.
3910 (prune_unused_types_walk_attribs): Reset string refcounts.
3911 (prune_unused_types_update_strings): New.
3912 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3913 call free_die. Do call prune_unused_types_update_strings.
3914 (prune_unused_types): Empty debug_str_hash.
3916 2006-04-17 Roger Sayle <roger@eyesopen.com>
3918 * expr.c (expand_assignment): Optimize away no-op moves where the
3919 source and destination are equal and have no side-effects.
3921 2006-04-17 Richard Guenther <rguenther@suse.de>
3924 * reload.c (push_reload): Guard calls to get_secondary_mem
3927 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3929 * alias.c (reg_base_value, old_reg_base_value): Change the
3930 type to VEC(rtx,gc) *.
3931 (REG_BASE_VALUE, find_base_value, record_set,
3932 init_alias_analysis): Use VEC instead of VARRAY.
3934 * alias.c (alias_sets): Change the type to
3935 VEC(alias_set_entry,gc) *.
3936 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3937 VEC instead of VARRAY.
3938 (last_alias_set): Remove.
3940 * cgraph.h (cgraph_edge_p): New.
3941 Update the prototype of cgraph_function_versioning.
3942 * cgraphunit.c (cgraph_copy_node_for_versioning,
3943 cgraph_function_versioning): Use VEC instead of VARRAY.
3944 * ipa-cp.c (ipcp_insert_stage): Likewise.
3946 2006-04-16 Roger Sayle <roger@eyesopen.com>
3949 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3950 "A op B" or "A op C", we may need to convert A to the type of B and C.
3952 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3954 * target.h (struct gcc_target): Add mode_rep_extended.
3955 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3956 (init_num_sign_bit_copies_in_rep): Initialize it using
3958 (truncate_to_mode): Use it.
3959 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3960 * targhooks.h (default_mode_rep_extended): Declare it.
3961 * targhooks.c (default_mode_rep_extended): Define it.
3962 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3963 default_mode_rep_extended.
3964 (TARGET_INITIALIZER): Include it.
3965 * doc/tm.texi (Misc): Document it.
3966 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3967 (mips_truncated_to_mode): New function.
3969 2006-04-16 Roger Sayle <roger@eyesopen.com>
3972 * expr.c (compress_float_constant): Copy the narrow constant into
3973 a new pseudo before extending it to its final width.
3975 2006-04-16 Roger Sayle <roger@eyesopen.com>
3976 Andrew Pinski <pinskia@gcc.gnu.org>
3977 Dale Johannesen <dalej@apple.com>
3980 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3981 special case code to implement V8HImode and V16QImode with SSE2.
3983 2006-04-15 Roger Sayle <roger@eyesopen.com>
3985 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3986 trees are constructed with a suitable tree type.
3988 2006-04-15 Roger Sayle <roger@eyesopen.com>
3990 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3991 (integer_onep): Likewise.
3992 (integer_all_onesp): Likewise.
3993 (integer_pow2p): Likewise.
3994 (integer_nonzerop): Likewise.
3995 (real_zerop): Likewise.
3996 (real_onep): Likewise.
3997 (real_twop): Likewise.
3998 (real_minus_onep): Likewise.
3999 (int_size_in_bytes): Likewise.
4000 (host_integerp): Likewise.
4002 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4004 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4005 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4006 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4008 * tree-ssa-structalias.h (alias_info): Remove num_references.
4010 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4012 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4013 (output_bvb patterns): Likewise.
4014 * pa.c (output_bb): Use 'bb' insn for long branch case.
4015 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4016 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4017 1. Correct length operand for alternatives 1 and 2.
4018 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4019 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4021 2006-04-14 Roger Sayle <roger@eyesopen.com>
4023 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4024 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4025 were accidentally reverted by r112959.
4027 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4030 * except.h (eh_region_outermost): New prototype.
4031 * except.c (eh_region_outermost): New function.
4032 * tree-cfg.c (find_outermost_region_in_block): Use it.
4034 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4036 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4038 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4039 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4040 (init_reload, reload): Use VEC instead of VARRAY.
4041 * reload.h: Update the prototype for
4042 reg_equiv_memory_loc_varray.
4044 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4045 Eric Botcazou <ebotcazou@libertysurf.fr>
4047 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4050 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4053 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4054 to expand fallback builtin function call.
4056 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4059 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4060 and emit libcall here in case the builtin fails.
4061 (expand_builtin_strcmp): Always emit the libcall here on failure.
4063 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4065 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4066 * flow.c (reg_n_info): Change the type to
4067 VEC(reg_info_p,heap) *.
4068 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4070 * regs.h (reg_info_p): New.
4071 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4072 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4073 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4076 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4078 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4080 * params.h (MAX_SCHED_READY_INSNS): New macro.
4081 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4082 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4083 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4084 the ready list for 1 cycle during the first scheduling pass.
4085 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4087 2006-04-13 Richard Henderson <rth@redhat.com>
4090 * gimple-low.c (lower_omp_directive): Remove dead code.
4091 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4092 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4093 * omp-low.c (struct omp_region): Move to tree-flow.h.
4094 (root_omp_region): Export.
4095 (omp_regions, lookup_omp_region): Remove.
4096 (determine_parallel_type): Update for struct omp_region changes.
4097 (dump_omp_region): Dump regions with block numbers.
4098 (new_omp_region): Take type and block instead of stmt; malloc
4100 (free_omp_region_1, free_omp_regions): New.
4101 (expand_parallel_call): Take entry_stmt as argument; update for
4102 changes to omp_region.
4103 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4104 (remove_exit_barriers): New.
4105 (expand_omp_parallel): Update for struct omp_region changes.
4106 (expand_omp_synch): Likewise.
4107 (expand_omp): Likewise.
4108 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4109 (expand_omp_for_static_chunk): Likewise.
4110 (expand_omp_for): Likewise.
4111 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4112 (expand_omp_sections): Similarly, with GOMP_sections_end.
4113 (expand_omp_single): New.
4114 (build_omp_regions_1): Update for OMP_CONTINUE.
4115 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4116 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4117 OMP_SECTIONS_SECTIONS.
4118 (lower_omp_single_simple): Don't emit barrier here.
4119 (lower_omp_single_copy): Likewise.
4120 (lower_omp_single): Fix bindings, and lower to straightline now.
4121 (lower_omp_master, lower_omp_ordered): Likewise.
4122 (lower_omp_critical): Likewise.
4123 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4124 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4125 omp edges, free it afterward.
4126 (make_omp_sections_edges): Remove.
4127 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4128 (move_stmt_r): Handle OMP_CONTINUE.
4129 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4130 statement pointers to basic blocks. Add type member.
4131 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4132 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4133 * tree-inline.c (estimate_num_insns_1): Likewise.
4134 * tree-pretty-print.c (dump_generic_node): Likewise.
4135 * tree-ssa-operands.c (get_expr_operands): Likewise.
4136 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4137 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4138 (OMP_CONTINUE): New.
4139 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4140 (OMP_SECTIONS_SECTIONS): Remove.
4141 (OMP_SECTION_LAST): New.
4142 (OMP_RETURN_NOWAIT): New.
4144 2006-04-13 Roger Sayle <roger@eyesopen.com>
4146 * fold-const.c (native_encode_vector, native_interpret_real):
4147 Correct obvious mistakes in the previous check-in.
4149 2006-04-13 Roger Sayle <roger@eyesopen.com>
4151 * fold-const.c (native_encode_expr): New function to encode
4152 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4153 or VECTOR_CST into a specified buffer.
4154 (native_encode_int): New function.
4155 (native_encode_real): New function.
4156 (native_encode_complex): New function.
4157 (native_encode_vector): New function.
4158 (native_interpret_expr): Inverse of native_encode_expr to convert
4159 a target representation into an INTEGER_CST, REAL_CST etc...
4160 (native_interpret_int): New function.
4161 (native_interpret_real): New function.
4162 (native_interpret_complex): New function.
4163 (native_interpret_vector): New function.
4164 (fold_view_convert_expr): New function to constant fold/evaluate
4165 a VIEW_CONVERT_EXPR of a suitable constant expression.
4166 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4167 Change call of build1 to fold_build1 when constructing a
4170 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4171 Ulrich Weigand <uweigand@de.ibm.com>
4174 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4177 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4180 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4181 optimize to lo_sum for DFmode if !TARGET_FPRS.
4183 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4185 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4186 delete_alias_info, compute_flow_sensitive_aliasing,
4187 group_aliases): Use VEC instead of VARRAY.
4188 * tree-ssa-structalias.c (update_alias_info): Likewise.
4189 * tree-ssa-structalias.h (alias_info): Change the type of
4190 processed_ptrs to VEC(tree,heap) *.
4192 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4195 * config/sh/lib1funcs.h: New file, broken out of:
4196 * config/sh/lib1funcs.asm.
4197 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4199 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4200 * config/sh/lib1funcs-Os-4-200.asm: New file.
4201 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4202 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4203 (EXTRA_MULTILIB_PARTS): Include it.
4204 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4205 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4206 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4207 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4210 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4212 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4213 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4214 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4216 * tree-ssa-live.h: Include vecprim.h.
4217 (tree_partition_associator_d): Change the type of
4218 first_partition to VEC(int,heap) *.
4219 (tpa_first_partition): Use VEC instead of VARRAY.
4221 * Makefile.in (GTFILES): Move functions.h after tree.h.
4222 * function.c (reset_block_changes, record_block_change,
4223 check_block_change, free_block_changes): Use VEC instead of
4225 * function.h (function): Change the type of
4226 ib_boundaries_block to VEC(tree,gc) *.
4227 * tree-inline.c (copy_cfg_body): Initialize
4228 ib_boundaries_block to NULL instead of (varray_type) 0.
4230 2006-04-12 Roger Sayle <roger@eyesopen.com>
4232 * expr.c (emit_group_store): Correct operand order in call to
4233 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4234 a SUBREG_BYTE of zero.
4236 2006-04-12 Richard Guenther <rguenther@suse.de>
4238 * profile.c (compute_branch_probabilities): Remove code
4239 encapsulated in !ir_type (), which are remanents of the
4240 removed RTL profiling code.
4241 * rtl-profile.c: Remove.
4243 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4245 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4246 magic NULL_RTX comment.
4247 (function_arg): Store entire fp arg to mem if any part should go
4249 (rs6000_arg_partial_bytes): Adjust for above change.
4251 2006-04-11 Roger Sayle <roger@eyesopen.com>
4253 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4254 if it hasn't been initialized by dwarf2out_init.
4256 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4258 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4259 symbolic constants in branch patterns.
4261 2006-04-11 Roger Sayle <roger@eyesopen.com>
4263 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4265 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4267 PR rtl-optimization/27073
4268 * gcse.c (try_replace_reg): Revert last change. Continue to search
4269 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4272 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4274 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4275 aggregate types other than record and union types.
4276 (function_arg): Likewise.
4277 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4279 (function_value): In 64-bit mode, return objects that require it
4282 2006-04-11 Roger Sayle <roger@eyesopen.com>
4284 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4286 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4288 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4290 2006-04-03 Jeff Law <law@redhat.com>
4293 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4294 alias information too.
4296 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4298 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4300 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4303 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4304 (premark_used_types_helper): New.
4305 (premark_used_types): New.
4306 (gen_subprogram_die): Call premark_used_types.
4307 (prune_unused_types_walk): Do not prune perennial dies.
4308 * function.c (used_types_insert): New.
4309 * function.h (struct function): Add used_types_hash field.
4310 (used_types_insert): Add prototype.
4311 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4312 * c-parser.c (c_parser_cast_expression): Save casted types in used
4315 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4318 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4319 rs6000_explicit_options.float_gprs.
4321 2006-04-10 Roger Sayle <roger@eyesopen.com>
4323 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4324 from ix86_expand_vector_init_low_nonzero. Take an additional
4325 one_var argument indicating which element is non-zero. Support
4326 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4327 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4328 with one_var instead of ix86_expand_vector_init_low_nonzero.
4330 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4332 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4333 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4334 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4335 build/genextract.o): Depend on vecprim.h.
4336 * cfglayout.c, df-problems.c, function.c, genextract.c,
4337 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4338 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4342 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4344 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4345 Declare VECs of this type.
4346 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4347 (remove_children): Delete.
4348 (add_dwarf_attr): Use VEC routines.
4349 (add_AT_flag): Update for changes to add_dwarf_attr.
4350 (add_AT_int): Likewise.
4351 (add_AT_unsigned): Likewise.
4352 (add_AT_long_long): Likewise.
4353 (add_AT_vec): Likewise.
4354 (add_AT_string): Likewise.
4355 (add_AT_die_ref): Likewise.
4356 (add_AT_fde_ref): Likewise.
4357 (add_AT_loc): Likewise.
4358 (add_AT_loc_list): Likewise.
4359 (add_AT_addr): Likewise.
4360 (add_AT_lbl_id): Likewise.
4361 (add_AT_lineptr): Likewise.
4362 (add_AT_macptr): Likewise.
4363 (add_AT_offset): Likewise.
4364 (add_AT_range_list): Likewise.
4365 (get_AT): Use VEC_iterate.
4366 (remove_AT): Use VEC_ordered_remove.
4367 (free_die): Fold remove_children into here; have it use VEC_iterate.
4368 (print_die): Use VEC_iterate on attrs.
4369 (reverse_die_lists): Don't reverse attr lists.
4370 (die_checksum): Use VEC_iterate on attrs.
4371 (same_die_p): Likewise.
4372 (output_location_lists): Likewise.
4373 (build_abbrev_table): Likewise.
4374 (size_of_die): Likewise.
4375 (unmark_all_dies): Likewise.
4376 (output_abbrev_section): Likewise.
4377 (output_die): Likewise.
4378 (prune_unused_types_walk_attribs): Likewise.
4380 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4382 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4384 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4387 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4389 2006-04-09 Roger Sayle <roger@eyesopen.com>
4391 * expr.c (store_constructor): Don't bother clearing target if
4392 we're about to assign a vector to it using vec_init_optab.
4394 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4396 * tree-ssa-alias.c (lhs_may_store_to): New function.
4397 (recalculate_used_alone): Handle LHS of calls.
4399 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4403 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4404 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4405 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4406 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4407 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4408 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4409 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4410 stubs. Add ".align 8" directives before all ".dword" directives.
4411 (GTHREAD_USE_WEAK): Revise comment.
4412 (TARGET_ATTRIBUTE_WEAK): Define.
4413 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4414 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4415 * stublib.c: New file.
4420 * pa.md (cbranch patterns): Revise arguments used in calls to
4421 output_cbranch, output_bb and output_bvd. Add long branch length
4423 (fbranch patterns): Handle long branches.
4424 (jump): Revise length check. Revise arguments for output_lbranch call.
4425 Add long branch length attributes.
4426 (decrement_and_branch_until_zero): Add long branch length attributes.
4427 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4428 Likewise. Revise arguments for output_parallel_addb and
4429 output_parallel_movb calls.
4430 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4431 output_parallel_movb and output_parallel_addb): Update prototypes.
4432 * pa.c (output_cbranch): Revise arguments. Correct handling of
4433 nullification in long branches.
4434 (output_lbranch): Add new argument to control extraction of delay
4436 (output_bb): Handle long branches.
4437 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4438 output_parallel_addb): Likewise.
4440 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4442 PR rtl-optimization/27073
4443 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4446 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4448 * tree.h (tree_memory_tag): Add old_used_alone.
4449 (SMT_OLD_USED_ALONE): New macro.
4450 * tree-ssa-alias.c (recalculate_used_alone): Stop
4451 marking things for renaming unnecessarily.
4453 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4455 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4456 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4457 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4458 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4459 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4460 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4461 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4462 spelling convensions.
4463 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4464 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4465 typos. Follow spelling conventions.
4467 2006-04-07 DJ Delorie <dj@redhat.com>
4469 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4470 passed on the stack.
4471 (m32c_init_cumulative_args): When a function returns a structure,
4472 always pass the pointer to that return area on the stack.
4473 (m32c_function_arg_advance): Don't increment the parameter number
4474 if we're processing the returned structure pointer.
4475 (pushm_info): Reverse order of registers.
4477 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4479 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4480 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4481 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4482 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4484 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4485 chrec_fold_multiply): Same.
4486 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4487 force_expr_to_var_cost): Same.
4488 * tree-mudflap.c (mf_xform_derefs_1): Same.
4489 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4491 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4493 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4494 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4497 2006-04-07 Jan Hubicka <jh@suse.cz>
4499 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4501 2006-04-07 Richard Guenther <rguenther@suse.de>
4503 PR tree-optimization/26135
4504 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4505 loads for store copy-prop.
4506 (copy_prop_visit_stmt): Likewise.
4508 2006-04-05 Robert Millan <robertmh@gnu.org>
4510 * config/i386/linux.h: Add a comment to mark macros that are
4511 being overriden in config/k*bsd-gnu.h.
4512 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4514 * config/knetbsd-gnu.h: Ditto.
4516 2006-04-06 Jan Hubicka <jh@suse.cz>
4520 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4523 2006-04-06 Mike Stump <mrs@apple.com>
4525 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4526 for HAVE_nonlocal_goto to be consistent.
4527 (expand_builtin_nonlocal_goto): Likewise.
4528 (expand_builtin_strcmp): Use #ifdef instead of #if
4529 for HAVE_cmpstrnsi to be consistent.
4531 2006-04-05 DJ Delorie <dj@redhat.com>
4533 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4536 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4538 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4539 got-relative addressing for anything but SImode.
4541 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4542 even if the calling function doesn't modify them.
4544 2006-04-05 Richard Guenther <rguenther@suse.de>
4546 PR tree-optimization/26919
4547 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4548 to cgraph_estimate_size_after_inlining.
4550 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4552 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4554 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4556 PR tree-optimization/26996
4557 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4558 VECTOR_TYPE variables.
4560 2006-04-05 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/26763
4563 * fold-const.c (fold_comparison): Move folding of
4564 PTR + CST CMP PTR + CST ...
4565 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4567 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4569 * doc/install.texi (Prerequisites): Refine some wording on
4570 bootstrapping and ksh.
4571 Move the version numbers of DejaGnu here from the testing section
4572 and fix casing of names.
4573 Fix markup and clarify wording for autogen requirements.
4574 Refer to GCJ instead of just java.
4575 Refer to SVN instead of CVS.
4576 Describe diffutils as useful instead of necessary.
4577 (Downloading the source): Refer to SVN instead of CVS.
4578 Adjust a link to our web site accordingly.
4579 (Configuration): Fix casing of Bison.
4580 (Building): Refer to SVN instead of CVS.
4581 Fix a sentence on the use of Bison and remove duplicate (and
4582 incorrect) version number of Bison requirement.
4583 Remove one redundant list of packages needed for building.
4584 (Specific): Avoid reference to CVS.
4586 2006-04-04 Eric Christopher <echristo@apple.com>
4588 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4589 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4590 (rs6000_handle_struct_attribute): New.
4591 (rs6000_ms_bitfield_layout_p): Ditto.
4593 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4595 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4596 NULL for dso parameter to atexit_common.
4598 2006-04-04 Eric Christopher <echristo@apple.com>
4600 * config/i386/i386.c (machopic_output_stub): Output \t
4601 between instructions and operands.
4603 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4605 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4606 satisfies_constraint_[IL] to explicit tests on value.
4608 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4610 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4611 set_nb_iterations_in_loop): Use build_int_cst instead of
4613 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4614 build_int_cst instead of convert.
4616 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4618 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4619 new value 2 for incoming.
4620 * function.c (expand_function_start): Call struct_value_rtx
4622 * config/sparc/sparc.md: Comment updated_return.
4623 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4624 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4625 struct return if sparc_std_struct_return and incoming is 2.
4626 (print_operand): Do not adjust return if
4627 sparc_std_struct_return.
4629 2006-04-04 Roger Sayle <roger@eyesopen.com>
4631 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4632 convert in the middle-end.
4633 * expr.c (store_expr, store_constructor, get_inner_reference,
4634 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4636 * tree.c (build_range_type): Likewise.
4638 2006-04-04 Tom Tromey <tromey@redhat.com>
4640 * doc/install.texi (Prerequisites): Mention jar.
4642 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4644 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4647 2006-04-04 Matthias Klose <doko@debian.org>
4649 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4650 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4653 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4655 * doc/extend.texi (Function Attributes): Rewrite visibility
4656 attribute documentation.
4657 * doc/invoke.texi (C++ Dialect Options): Rewrite
4658 -fvisibility-inlines-hidden documentation to describe something
4659 entirely different, although in practise compatible.
4660 (Code Gen Options): Warn about system headers in -fvisibility=
4663 * doc/extend.texi (Other Builtins): Document that
4664 __builtin_nan is a compile-time constant only when its argument
4667 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4669 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4670 trying to remove TRUNCATE check if all bits outside the new mode
4671 are identical to the sign bit.
4673 2006-04-03 Jeff Law <law@redhat.com>
4675 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4676 and operand scanning in some common cases.
4678 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4679 Dale Johannesen <dalej@apple.com>
4682 * regclass.c (struct reg_pref): Update documentation.
4683 (regclass): Set prefclass to NO_REGS if memory is the best option.
4684 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4685 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4686 into account. For non-registers, equate an empty preferred
4687 reload class to a `!' in the constraint; move the if clause to
4688 do so after those that reject the insn.
4689 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4691 (find_dummy_reload): Likewise.
4692 * doc/tm.texi (Register Classes): Document what it means
4693 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4694 * config/i386/i386.c (ix86_preferred_reload_class): Force
4695 using SSE registers (and return NO_REGS for floating-point
4696 constants) if math is done with SSE.
4697 (ix86_preferred_output_reload_class): New.
4698 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4699 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4700 * config/i386/i386.md: Remove # register preferences.
4702 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4705 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4706 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4707 the type of nb_iter.
4708 (instantiate_parameters_1): Convert the operands before calling
4709 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4710 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4712 2006-04-02 Roger Sayle <roger@eyesopen.com>
4714 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4715 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4717 * dojump.c (do_jump): Likewise.
4718 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4719 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4720 gimplify_boolean_expr): Likewise.
4721 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4722 * varasm.c (array_size_for_constructor): Likewise.
4723 * tree-object-size.c (compute_object_offset): Likewise.
4725 2006-04-02 Roger Sayle <roger@eyesopen.com>
4728 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4729 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4731 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4733 PR tree-optimization/26939
4734 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4736 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4738 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4739 at_stmt. Convert the type of operands before calling
4740 build_polynomial_chrec.
4741 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4743 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4744 (instantiate_parameters_1): Convert the type of operands before calling
4745 build_polynomial_chrec.
4746 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4747 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4748 reset_evolution_in_loop): Insert asserts to check the types of the
4750 (chrec_type): Moved...
4751 (eq_evolutions_p): Use operand_equal_p.
4752 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4753 the types of the operands.
4754 (chrec_type): ...here.
4755 * tree-data-ref.c (create_data_ref): Convert the operands before
4756 calling chrec_replace_initial_condition.
4757 (same_access_functions, analyze_subscript_affine_affine,
4758 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4759 (compute_subscript_distance, analyze_ziv_subscript,
4760 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4761 analyze_miv_subscript): Convert the operands before calling
4762 chrec_fold_minus or chrec_fold_plus.
4764 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4766 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4767 the dependence_relations vector.
4768 (compute_data_dependences_for_loop): Adjust call to
4769 compute_all_dependences.
4771 2006-04-01 Roger Sayle <roger@eyesopen.com>
4772 Richard Henderson <rth@redhat.com>
4774 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4775 gimple_boolify on the condition before calling gimplify_expr.
4777 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4779 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4780 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4781 the frame size. Update to use the new macros.
4782 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4783 * config/xtensa/ieee754-df.S: Likewise.
4785 2006-03-31 Richard Henderson <rth@redhat.com>
4787 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4788 (make_edges): ... here. Control fallthru creation with a local
4789 variable. Do not play with fake edges.
4790 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4791 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4794 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4796 * dwarf2.h (DW64_CIE_ID): Define.
4797 * dwarf2out.c (DWARF_CIE_ID): Define.
4798 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4799 length header. Use DWARF_CIE_ID.
4800 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4801 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4803 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4805 * config/sh/linux-atomic.asm: New file.
4806 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4808 2006-03-31 DJ Delorie <dj@redhat.com>
4810 * config/m32c/cond.md: Set condition flags properly throughout.
4811 * config/m32c/minmax.md: Likewise.
4812 * config/m32c/prologue.md: Likewise.
4813 * config/m32c/bitops.md: Likewise.
4814 * config/m32c/muldiv.md: Likewise.
4815 * config/m32c/mov.md: Likewise.
4816 * config/m32c/addsub.md: Likewise.
4817 * config/m32c/m32c.md: Likewise.
4818 * config/m32c/jump.md: Likewise.
4819 * config/m32c/shift.md: Likewise.
4821 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4822 conditionally output the pattern for this.
4823 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4824 (m32c_compare_redundant): New.
4825 (m32c_output_compare): New.
4826 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4828 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4829 dest, not src. Allow other 4-byte modes.
4831 2006-03-30 Denis Chertykov <denisc@overta.ru>
4833 * doc/md.texi: Refer to avr/constraints.md instead of
4836 2006-03-30 Roger Sayle <roger@eyesopen.com>
4838 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4839 signed vs. unsigned comparison failures on some hosts.
4841 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4844 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4845 change to FLOAT_REGS.
4847 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4848 (rs6000_override_options): Use it.
4849 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4850 only for -mabi=spe/no-spe and -mabi=altivec.
4852 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4854 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4857 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4859 * Makefile.in: Rename docdir to gcc_docdir.
4861 2006-03-30 Roger Sayle <roger@eyesopen.com>
4864 * expr.c (emit_group_store): Optimize group stores into a pseudo
4865 register by using a paradoxical subreg to initialize the destination
4866 if the first or last member of the group specifies a "low part".
4868 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4871 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4872 * target.h (struct gcc_target.speculate_insn): Change type of the
4873 second parameter to 'int'.
4874 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4875 the second operand of the DEPS_LIST.
4876 (copy_DEPS_LIST_list): Update reference to the second operand of the
4878 * rtl.h (alloc_DEPS_LIST): Update signature.
4879 * sched-int.h (ds_t): Change typedef to 'int'.
4880 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4882 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4884 * haifa-sched.c (try_ready): Change condition to restore
4885 non-speculative pattern of the instruction.
4886 (process_insn_depend_be_in_spec): Code to keep probability of the
4887 speculative dependence non-decreasing.
4889 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4891 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4892 (single_move_for_movmem): ... this. Also change all uses.
4893 (bfin_expand_strmov): Renamed to...
4894 (bfin_expand_movmem): ... this. Also change all uses.
4895 * config/bfin/bfin.md (movstrsi): Renamed to...
4896 (movstrsi): ...this.
4898 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4900 PR tree-optimization/26830
4902 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4903 (copy_prop_visit_stmt): Remove write-only variable ann.
4904 (init_copy_prop): Check variable loop depth here. Do not simulate
4905 memory-tag and virtual operand PHIs except for store copy prop.
4907 2006-03-30 Richard Guenther <rguenther@suse.de>
4909 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4910 variants with double arguments.
4912 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4914 * genpreds.c (write_tm_constrs_h): Delete variable p.
4915 * genconditions.c (write_header): Add tm-constrs.h to included
4917 * genpeep.c (main): Add toplev.h to included headers.
4918 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4919 (build/genpeep.o): Add toplev.h dependency.
4920 * config/rs6000/constraints.md: Add "W" constraint.
4922 2006-03-29 Roger Sayle <roger@eyesopen.com>
4924 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4925 sizes by correctly testing whether the size fits a host integer.
4926 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4927 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4928 SImode range for the default sizetype and bitsizetype.
4930 2006-03-29 Roger Sayle <roger@eyesopen.com>
4932 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4933 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4934 quickly if the argument is already of the correct type.
4935 Call fold_build1 instead of build1. Tidy up blank lines.
4937 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4939 * genemit.c (main): Add tm-constrs.h to included headers.
4940 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4941 * genpeep.c (main): Add tm-constrs.h to included headers.
4942 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4943 (write_tm_constrs_h): this and write complete file.
4944 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4945 (write_insn_preds_c): Add tm-constrs.h to included headers.
4946 (gen_constrs): New variable.
4947 (parse_option): Parse "-c".
4948 (main): Invoke write_tm_constrs_h.
4949 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4950 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4951 (object_out_file): Add tm-constrs.h dependency.
4952 (insn-emit.o): Same.
4953 (insn-output.o): Same.
4954 (insn-peep.o): Same.
4955 (insn-preds.o): Same.
4956 (insn-recog.o): Same.
4957 (tm-constsr.h): New target.
4958 (s-constrs-h): New target.
4960 * config/rs6000/constraints.md: New file.
4961 * config/rs6000/rs6000.c: Include tm-constrs.h.
4962 (num_insn_constant_wide): Convert to satisfies_constraint.
4963 (rs6000_rtx_costs): Convert to satisfies_constraint.
4964 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4965 (CONST_OK_FOR_LETTER_P): Delete.
4966 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4967 (EXTRA_CONSTRAINT): Delete.
4968 (EXTRA_MEMORY_CONSTRAINT): Delete.
4969 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4970 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4971 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4972 satisfies_constraint.
4974 * config/i386/i386.c: Include tm-constrs.h.
4976 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4978 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4979 * tree-data-ref.c (find_data_references_in_loop,
4980 compute_data_dependences_for_loop): Use pointers to VEC.
4981 (analyze_all_data_dependences): Adjust calls.
4982 * tree-data-ref.h (find_data_references_in_loop,
4983 compute_data_dependences_for_loop): Adjust declarations.
4984 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4985 compute_data_dependences_for_loop.
4987 2006-03-29 Paul Brook <paul@codesourcery.com>
4989 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4992 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4994 PR tree-optimization/26859
4995 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4997 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4998 for the step after fold_convert.
5000 2006-03-29 Paul Brook <paul@codesourcery.com>
5002 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5003 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5005 2006-03-29 Paul Brook <paul@codesourcery.com>
5008 * targhooks.c (default_narrow_bitfield): New fuction.
5009 * targhooks.h (default_narrow_bitfield): add prototype.
5010 * target.h (gcc_target): Add narrow_volatile_bitfield.
5011 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5012 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5013 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5014 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5016 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5018 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5020 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5021 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5022 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5023 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5024 (s390_function_arg_float): Allow SDmode and DDmode values to be
5025 passed in floating point registers.
5026 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5027 check with SCALAR_FLOAT_MODE_P.
5028 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5030 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5032 PR tree-optimization/25985
5033 * tree-ssa-loop-niter.c (number_of_iterations_le,
5034 number_of_iterations_ne): Make comments more precise.
5035 (number_of_iterations_cond): Add only_exit argument. Use the
5036 fact that signed variables do not overflow only when only_exit
5038 (loop_only_exit_p): New.
5039 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5040 number_of_iterations_cond.
5042 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5044 PR tree-optimization/26643
5045 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5048 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5050 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5051 (divsi3_i4_int): Likewise.
5053 2006-03-28 Roger Sayle <roger@eyesopen.com>
5055 * expr.c (emit_group_store): Only create a new pseudo reg if the
5056 quantity it needs to hold isn't already a suitable pseudo.
5058 2006-03-28 Jeff Law <law@redhat.com>
5060 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5061 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5063 2006-03-28 Roger Sayle <roger@eyesopen.com>
5065 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5066 the equivalent ~X & Y, and the symmetry related transformations.
5067 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5068 ~X & Y, and symmetry related transforms.
5070 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5072 Revert my 2006-03-27 patches.
5074 2006-03-28 Roger Sayle <roger@eyesopen.com>
5076 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5077 ~(T1)X, when T1 and T2 are integer types of the same precision
5078 and (T2)X isn't an extension.
5080 2006-03-28 Jeff Law <law@redhat.com>
5082 PR tree-optimization/26796
5083 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5084 need EH edge cleanups rather than purging them immediately.
5085 (eliminate_degenerate_phis): Handle queued EH cleanups.
5087 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5089 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5092 2006-03-27 Roger Sayle <roger@eyesopen.com>
5095 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5096 cast BIT_NOT_EXPR operand to the correct type.
5098 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5100 * tree-loop-linear.c: Don't include varray.h.
5101 (gather_interchange_stats, try_interchange_loops,
5102 linear_transform_loops): Use VEC instead of VARRAY.
5103 * lambda-mat.c: Don't include varray.h.
5104 * tree-chrec.c: Same.
5105 * lambda-trans.c: Same.
5106 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5107 VEC instead of VARRAY.
5108 * tree-vectorizer.h: Idem.
5109 * tree-data-ref.c (dump_data_references,
5110 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5111 initialize_data_dependence_relation, finalize_ddr_dependent,
5112 compute_all_dependences, find_data_references_in_loop,
5113 compute_data_dependences_for_loop, analyze_all_data_dependences,
5114 free_dependence_relation, free_dependence_relations,
5115 free_data_refs): Idem.
5116 * tree-data-ref.h (data_reference_p, subscript_p): New.
5117 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5118 VEC instead of VARRAY.
5119 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5120 (find_data_references_in_loop, compute_data_dependences_for_loop,
5121 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5122 dump_data_dependence_relations, free_dependence_relations,
5123 free_data_refs): Adjust declaration.
5124 (lambda_transform_legal_p): Move declaration here...
5125 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5126 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5127 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5128 vect_analyze_data_refs): Use VEC instead of VARRAY.
5129 * lambda.h (lambda_transform_legal_p): ...from here.
5130 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5131 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5132 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5133 tree-chrec.o): Don't depend on VARRAY_H.
5135 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5137 * rtl.def (Copyright): Update date.
5138 (DEPS_LIST): Change type of the second operand to 'int'.
5139 * target.h (Copyright): Update date.
5140 (struct gcc_target.speculate_insn): Change type of the second parameter
5142 * lists.c (Copyright): Update date.
5143 (alloc_DEPS_LIST): Change signature. Update reference to the second
5144 operand of the DEPS_LIST.
5145 (copy_DEPS_LIST_list): Update reference to the second operand of the
5147 * rtl.h (Copyright): Update date.
5148 (alloc_DEPS_LIST): Update signature.
5149 * sched-int.h (Copyright): Update date.
5150 (ds_t): Change typedef to 'int'.
5151 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5153 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5155 * haifa-sched.c (Copyright): Update date.
5156 (try_ready): Change condition to restore non-speculative pattern
5158 (process_insn_depend_be_in_spec): Code to keep probability of the
5159 speculative dependence non-decreasing.
5161 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5163 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5164 shut up the compiler.
5166 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5168 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5169 to use lib prefix for target.
5170 ($(T)libic_invalidate_array_4-200.a): Likewise.
5171 ($(T)libic_invalidate_array_4a.a): Likewise.
5173 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5174 J"orn Rennecke <joern.rennecke@st.com>
5176 * superh.opt: New file.
5177 * sh.c (boardtype, osruntime): Remove.
5178 * superh.h (SUBTARGET_OPTIONS): Remove.
5179 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5181 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5182 arguments with ^ and/or [].
5184 * config.gcc (sh-*-*): Add quoting to account for quirk of
5186 Replace == with = in enable_incomplete_targets test.
5188 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5189 with MASK_LITTLE_ENDIAN.
5191 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5192 * config/sh/sh.opt: Added to some comments.
5193 * config/sh/superh.h: Removed some chaff.
5195 * config/sh/sh.opt: Add m4-[1234]00* options.
5196 * config/sh/sh.c (sh_handle_option): Likewise.
5197 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5198 (ic_invalidate_array_4-100.o): New rule.
5199 ($(T)libic_invalidate_array_4-100.a): Likewise.
5200 (ic_invalidate_array_4-200.o): Likewise.
5201 ($(T)libic_invalidate_array_4-200.a): Likewise.
5202 (ic_invalidate_array_4a.o): Likewise.
5203 ($(T)libic_invalidate_array_4a.a): Likewise.
5204 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5205 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5207 * config/sh/crt1.asm: Merged in profiling code.
5208 * config/sh/superh.h (STARTFILE_SPEC): Override.
5209 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5210 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5211 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5213 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5214 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5215 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5217 * sh.opt (mpretend-cmove): New option.
5218 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5219 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5220 (movsicc): Add TARGET_PRETEND_CMOVE code.
5222 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5224 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5225 s390_class_max_nregs): New function prototypes.
5226 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5227 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5228 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5229 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5231 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5233 * dwarf2out.c (add_location_or_const_value_attribute): Call
5234 tree_add_const_value_attribute if nothing else works.
5235 (reference_to_unused): New.
5236 (rtl_for_decl_init): Use reference_to_unused to decide whether
5237 to output an initializer.
5239 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5242 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5243 peephole removing spe frob_di_df_2.
5245 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5247 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5248 (subscript_dependence_tester_1): Declared.
5249 (print_dir_vectors, print_dist_vectors): New.
5250 (debug_data_dependence_relation): New.
5251 (dump_data_dependence_relation): Print more details.
5252 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5253 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5254 (save_dist_v, save_dir_v, add_outer_distances,
5255 build_classic_dist_vector_1): New.
5256 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5257 Don't test for lambda_vector_lexico_pos.
5258 (same_access_functions, add_multivariate_self_dist,
5259 add_other_self_distances, dir_from_dist): New.
5260 (build_classic_dir_vector): Replace implementation almost identical to
5261 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5263 (subscript_dependence_tester_1): New.
5264 (subscript_dependence_tester): Handle the lexicographically negative
5265 distance vectors by recomputing the dependence relation.
5266 (compute_affine_dependence): Remove parameter loop_nest_depth.
5267 (compute_self_dependence): Don't call compute_subscript_distance.
5268 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5269 Add a parameter for the loop_nest.
5270 (find_loop_nest_1, find_loop_nest): New.
5271 (compute_data_dependences_for_loop): Compute the loop nest, and give
5272 up if the nest is not well formed.
5273 * tree-data-ref.h (loop_p): New.
5274 (struct data_dependence_relation): Replace size_vect field with
5275 loop_nest, a vec of loops.
5276 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5277 (DDR_LOOP_NEST): New.
5278 (print_dir_vectors, print_dist_vectors,
5279 debug_data_dependence_relation): Declared.
5280 (index_in_loop_nest): New.
5281 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5282 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5285 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5287 * simplify-rtx.c (simplify_relational_operation): Call
5288 simplify_relational_operation_1 even if mode is VOIDmode.
5290 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5292 PR tree-optimization/26804
5293 * tree.h (DECL_CALL_CLOBBERED): New macro.
5294 (tree_decl_common): Add call_clobbered_flag.
5295 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5296 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5297 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5298 (mark_non_addressable): Ditto.
5299 * tree-ssa.c (verify_call_clobbered): New function.
5300 (verify_alias_info): Use it.
5301 * tree-pass.h (pass_reset_cc_flags): New prototype.
5302 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5303 (reset_cc_flags): New function.
5304 * passes.c (init_optimization_passes): Call reset_cc_flags after
5305 initializing referenced_vars.
5307 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5308 Roger Sayle <roger@eyesopen.com>
5311 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5312 to 1.0 for non-real operands. Implement A / A optimization for
5315 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5317 * config/i386/i386.c (size_cost): Correct the comment for
5318 cost of storing fp registers.
5319 (i386_cost): Likewise.
5320 (i486_cost): Likewise.
5321 (pentium_cost): Likewise.
5322 (pentiumpro_cost): Likewise.
5323 (k6_cost): Likewise.
5324 (athlon_cost): Likewise.
5325 (k8_cost): Likewise.
5326 (pentium4_cost): Likewise.
5327 (nocona_cost): Likewise.
5328 (generic64_cost): Likewise.
5329 (generic32_cost): Likewise.
5331 2006-03-24 Denis Chertykov <denisc@overta.ru>
5333 * config/avr/avr-protos.h (extra_constraint): Delete.
5334 (extra_constraint_Q): New declaration.
5335 * config/avr/constraints.md: New file.
5336 * config/avr/avr.md: Include it.
5337 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5338 (TMP_REGNO, ZERO_REGNO): Likewise.
5339 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5340 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5341 (extra_constraint): Delete.
5342 (extra_constraint_Q): Test for memory constraint 'Q'.
5343 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5344 (REG_CLASS_FROM_LETTER): Delete.
5345 (CONST_OK_FOR_LETTER_P): Delete.
5346 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5347 (EXTRA_CONSTRAINT): Delete.
5348 (TMP_REGNO): Delete.
5349 (ZERO_REGNO): Delete.
5351 2006-03-24 Jeff Law <law@redhat.com>
5353 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5354 directly. Call mark_new_vars_to_rename slightly earlier.
5356 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5358 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5360 (gen_compile_unit_die): Use new language types for Objective-C and
5362 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5363 DW_LANG_C_plus_plus.
5366 * config/t-darwin (crt3.o): Work around bug 26840.
5367 * config/darwin-crt3.c: Rewrite.
5368 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5370 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5372 * doc/invoke.texi: Document -femit-class-debug-always
5373 * common.opt: Add -femit-class-debug-always.
5375 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5377 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5378 index and base register.
5379 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5380 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5381 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5382 REGNO_OK_FOR_INDEX_P.
5383 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5385 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5386 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5387 REG_OK_FOR_BASE_P): Definitions removed.
5389 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5392 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5393 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5394 set yet or weren't marked as local yet.
5396 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5398 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5401 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5403 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5404 (rs6000_legitimate_small_data_p): Delete.
5405 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5406 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5407 and make static. Add forward declaration. Update uses.
5408 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5409 of offsettable_memref_p.
5410 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5411 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5413 2006-03-24 Jeff Law <law@redhat.com>
5415 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5416 around bug in immediate-use iterator.
5418 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5421 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5422 or __LITTLE_ENDIAN__.
5424 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5426 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5427 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5428 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5429 * config/sh/sh.opt (mdiv=): Amend description.
5430 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5431 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5432 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5433 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5434 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5435 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5436 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5437 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5438 TARGET_DIVIDE_CALL_FP.
5440 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5442 * haifa-sched.c (choose_ready): Fix type of the local variable.
5443 Move local variables. Add comment.
5444 (check_reg_live): Change signature. Make callable from debugger.
5445 * sched-int.h (check_reg_live): Update signature.
5446 * sched-ebb.c (check_reg_live): Update parameters.
5447 * sched-rgn.c (check_reg_live): Ditto.
5448 (region_head_or_leaf_p): Check pointer before dereferencing.
5449 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5450 before reload on optimization levels below 1.
5452 2006-03-23 Richard Henderson <rth@redhat.com>
5454 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5458 * config/alpha/predicates.md (local_symbolic_operand): Reject
5461 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5464 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5465 expressions which have overflowed constants.
5467 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5469 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5471 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5473 * cfgloopmanip.c (create_loop_notes): Removed.
5474 * final.c (final_scan_insn): Do not handle loop notes.
5475 * jump.c (squeeze_notes): Ditto.
5476 * cfglayout.c (skip_insns_after_block,
5477 duplicate_insn_chain): Ditto.
5478 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5480 * cfgloop.h (create_loop_notes): Declaration removed.
5482 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5484 * varasm.c (output_constant_pool): Restore fnname and fndecl
5486 (assemble_start_function): Adjust call accordingly.
5487 (assemble_end_function): Likewise.
5489 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5492 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5495 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5497 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5500 * system.h (ICE_EXIT_CODE): New macro.
5501 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5502 (diagnostic_action_after_output): Likewise.
5503 * gcc.c (fatal_ice): New function.
5504 (execute): Use it instead of fatal.
5505 (fancy_abort): Likewise.
5506 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5508 2006-03-22 Jeff Law <law@redhat.com>
5510 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5511 iv_analyze_result returning false.
5513 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5515 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5517 2006-03-22 Richard Henderson <rth@redhat.com>
5520 * except.c (duplicate_eh_regions_0): New.
5521 (duplicate_eh_region_1): Duplicate the children of the node as
5522 well as the node itself. Link them up properly.
5523 (duplicate_eh_region_2): Merge into ...
5524 (duplicate_eh_regions): ... here. Take copy_region argument, and
5525 copy only a sub-tree if asked. Simplify copying and fixup.
5526 (eh_region_outer_p): New.
5527 * except.h (duplicate_eh_regions): Update decl.
5528 (eh_region_outer_p): Declare.
5529 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5530 (lower_omp_master): Likewise.
5531 (lower_omp_ordered): Likewise.
5532 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5533 (move_stmt_r): Use it to remap labels. Handle recursion vs
5534 remap_decls_p properly.
5535 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5536 (find_outermost_region_in_block): New.
5537 (new_label_mapper): New.
5538 (move_sese_region_to_fn): Copy eh information to the new function
5540 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5542 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5545 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5547 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5548 into shared libraries.
5550 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5552 * doc/md.texi: Refer to i386/constraints.md instead of
5554 * config/i386/constraints.md: New file, extracted from...
5555 * config/i386/predicates.md: ...here.
5556 * config/i386/i386.md: Include constraints.md.
5558 2006-03-21 Jason Merrill <jason@redhat.com>
5560 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5563 * expr.c (init_block_move_fn): Force default visibility.
5564 (init_block_clear_fn): Likewise.
5565 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5566 * targhooks.c (default_external_stack_protect_fail): Likewise.
5568 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5570 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5571 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5572 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5573 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5574 (loadgp): Use mips_current_loadgp_style.
5575 (loadgp_noshared): New pattern.
5576 (sibcall_internal): Use MIPS_CALL.
5577 (sibcall_value_internal): Likewise.
5578 (sibcall_value_multiple_internal): Likewise.
5579 (call_internal): Likewise.
5580 (call_value_internal): Likewise.
5581 (call_value_multiple_internal): Likewise.
5582 (call_split): Use MIPS_CALL and add an 'S' constraint.
5583 (call_value_split): Likewise.
5584 (call_value_multiple_split): Likewise.
5585 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5586 (-mshared): New option.
5587 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5588 (mips_current_loadgp_style): Declare.
5589 * config/mips/mips.c (mips_classify_symbol): Avoid using
5590 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5591 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5592 TARGET_ABSOLUTE_ABICALLS.
5593 (override_options): Adjust comments. Improve the warning that is
5594 issued when -mabicalls and -G are used together.
5595 (mips_file_start): Remove comment.
5596 (mips_current_loadgp_style): New function.
5597 (mips_gnu_local_gp): New variable.
5598 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5600 (mips_output_function_prologue): Use mips_current_laodgp_style.
5601 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5602 the cprestore instruction.
5603 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5604 live for TARGET_ABSOLUTE_ABICALLS.
5605 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5606 (ASM_SPEC): Pass down -mshared and -mno-shared.
5607 (MIPS_CALL): New macro.
5608 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5610 * doc/invoke.texi (-mabicalls): Update documentation.
5611 (-mshared): Document.
5613 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5615 * config/ia64/unwind-hpux.c: New file.
5616 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5618 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5621 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5623 2006-03-21 Jeff Law <law@redhat.com>
5625 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5626 type conversions of a VR_VARYING source to a wider type.
5628 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5630 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5631 tm_file on Solaris 10 and later.
5632 (sparc64-*-solaris2*): Likewise.
5633 (sparc-*-solaris2*): Likewise.
5634 * config/sol26.h: Rename to config/sol2-6.h.
5635 * config/sol2-10.h: New file.
5637 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5640 * tree-ssa-pre.c (create_component_ref_by_pieces):
5643 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5646 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5647 return it immediately.
5649 2006-03-21 Michael Matz <matz@suse.de>
5651 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5653 (remove_arc, add_arc): Update num_out_arcs member.
5654 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5656 (cache_presence): New function.
5657 (compare_states_for_equiv): New function.
5658 (state_is_differed): Don't take number of outargs, adjust callers.
5659 Use new invariant for speeding up.
5660 (init_equiv_class): Create initial classes based on sorted
5662 (partition_equiv_class): Don't track out_arcs_num.
5663 (evaluate_equiv_classes): Call cache_presence on all states and
5666 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5668 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5669 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5670 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5671 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5673 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5674 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5675 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5676 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5677 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5679 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5680 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5681 (REGNO_REG_CLASS): ARGP is in PREGS.
5682 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5684 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5685 to deal with those addresses.
5686 * addresses.h: New file.
5687 * caller-save.c: Include "addresses.h".
5688 (init_caller_save): Use new base_reg_class function.
5689 * rtl-factoring.c: Include "addresses.h".
5690 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5691 * recog.c: Include "addresses.h".
5692 (preprocess_constraints): Use new base_reg_class function.
5693 * regrename.c: Include "addresses.h".
5694 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5695 functions. Keep track of a new var INDEX_CODE to compute valid
5697 (replace_oldest_value_addr): Likewise.
5698 (replace_oldest_value_mem): Use base_reg_class.
5699 * reload.c: Include "addresses.h".
5700 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5701 (find_reloads): Use new base_reg_class function.
5702 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5703 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5704 all callers and prototype changed.
5705 * reload1.c: Include "addresses.h".
5706 (maybe_fix_stack_asms): Use base_reg_class.
5707 * regclass.c: Include "addresses.h".
5708 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5709 (init_reg_autoinc): Use new base_reg_class function.
5710 (record_reg_classes): Likewise.
5711 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5712 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5713 Use new args to compute necessary class.
5715 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5716 regrename.o, rtl-factoring.o): Update dependencies.
5717 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5718 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5719 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5720 REG_OK_FOR_INDEX_P): Delete documentation.
5722 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5724 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5725 from V7 to V9 for Solaris 7 and above.
5727 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5729 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5730 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5731 argument pointers may not alias any other storage.
5732 * common.opt: Define option -fargument-noalias-anything.
5733 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5734 alias semantics is specified by flag_argument_noalias > 2.
5736 2006-03-20 Jeff Law <law@redhat.com>
5738 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5739 (pass_phi_only_cprop): Declare.
5740 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5742 * tree-ssa-dom.c (degenerate_phi_result): New function.
5743 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5744 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5745 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5746 (eliminate_degenerate_phis): Likewise.
5747 (pass_phi_only_cprop): New pass descriptor.
5748 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5749 support code. Callers updated.
5750 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5751 (store_copy_prop): Likewise.
5752 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5754 2006-03-20 Jason Merrill <jason@redhat.com>
5757 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5758 (push_visibility, pop_visibility): Likewise.
5759 * c-pragma.h: Declare them.
5761 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5763 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5765 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5766 parameter and use get_ebb_head_tail.
5767 (sh_md_init_global): Adjust uses of find_regmode_weight.
5769 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5771 * function.h (struct function) <x_tail_recursion_reentry>:
5772 Rename to x_stack_check_probe_note.
5773 (tail_recursion_reentry): Rename to stack_check_probe_note.
5774 * function.c: Replace tail_recursion_reentry with
5775 stack_check_probe_note everywhere.
5776 (expand_function_start): Only emit a note for
5777 stack_check_probe_note with -fstack-protect.
5778 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5780 * emit-rtl.c (remove_unnecessary_notes): Remove.
5781 (pass_remove_unnecessary_notes): Remove.
5782 * rtl.h (remove_unnecessary_notes): Remove prototype.
5783 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5784 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5785 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5787 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5790 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5791 (valid_in_set): Handle ARRAY_REF.
5792 Change "if min_variant or VH" to asserts.
5793 (create_component_ref_by_pieces): Handle ARRAY_REF.
5794 (create_expression_by_pieces): Likewise.
5795 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5797 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5799 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5800 is operand of switch, not str[0].
5802 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5804 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5805 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5807 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5809 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5810 end of insn_extra_address_constraint declaration.
5812 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5814 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5815 (no-sum-in-toc): Same.
5816 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5818 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5819 NO_FP_IN_TOC for -fPIC instead of mask.
5821 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5822 (BOOT_LDFLAGS): Delete.
5824 * config/rs6000/t-aix52: Same.
5826 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5827 (stmsi[345678]_power): New.
5829 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5831 * config/ia64/ia64.opt: Add empty line to end of file.
5833 2006-03-17 Richard Guenther <rguenther@suse.de>
5836 * builtins.c (get_pointer_alignment): For component style references
5837 adjust alignment to the component type alignment. Make sure
5838 to adjust alignment for component access of constants.
5840 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5842 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5845 2006-03-17 Paul Brook <paul@codesourcery.com>
5847 * doc/install.texi: Docuemnt --with-mode.
5848 * config.gcc: Add --with-mode for arm*-*-*.
5849 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5851 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5853 * sh.c (max_labelno_before_reorg): New variable.
5854 (sh_reorg): Initialize it.
5855 (find_barrier): Check max_labelno_before_reorg before using
5856 label_to_alignment. Take length of explicit alignment insns
5857 into account. When seeing a UNSPECV_CONST_END, return it.
5859 * sh.c (fixup_mova): Set mode of affected label to QImode.
5860 (untangle_mova): New function.
5861 (find_barrier): Use it. Check mode of label before decrementing
5863 (sh_reorg): Likewise.
5864 Set mode of all insns back to VOIDmode.
5866 * sh.c (MOVA_LABELREF): New macro.
5867 (mova_p, fixup_mova, sh_reorg): Use it.
5868 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5869 ADDR_DIFF_VEC matches mova.
5871 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5873 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5874 with ATTRIBUTE_UNUSED.
5876 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5878 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5879 pointer, instead of assuming it is possible to derive the
5880 correct args size from a call insn.
5882 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5884 * rtl.h (CONST_INT_P): Define.
5885 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5886 instead of GET_CODE(x) == CONST_INT.
5887 (vax_rtx_costs): Likewise.
5888 (vax_output_int_move): Likewise.
5889 (vax_output_int_add): Likewise.
5890 (legitimate_constant_address_p): Likewise.
5891 (index_term_p): Likewise.
5892 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5893 * config/vax/vax.md (and<mode>3): Likewise.
5894 (ashrsi3): Likewise.
5896 (movstricthi): Likewise.
5897 (movstrictqi): Likewise.
5898 (rotrsi3): Likewise.
5899 (five unnamed insns): Likewise.
5901 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5903 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5904 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5905 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5906 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5907 Pass to ASM_OUTPUT_DWARF_OFFSET.
5908 * dwarf2out.c (debug_frame_section): New.
5909 (output_call_frame_info): Use debug_frame_section. Pass it to
5910 dw2_asm_output_offset.
5911 (output_die): Pass appropriate section to dw2_asm_output_offset.
5912 (output_compilation_unit_header): Likewise.
5913 (output_pubnames): Likewise.
5914 (output_aranges): Likewise.
5915 (enum dw_val_class): Break dw_val_class_lbl_offset into
5916 dw_val_class_lineptr and dw_val_class_macptr.
5917 (add_AT_lbl_offset): Delete.
5918 (add_AT_lineptr): New.
5919 (add_AT_macptr): New.
5920 (AT_lbl): Expect a lineptr or macptr.
5921 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5922 (attr_checksum): Likewise.
5923 (same_dw_val_p): Likewise.
5924 (size_of_die): Likewise.
5925 (value_format): Likewise.
5926 (output_die): Likewise.
5927 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5929 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5930 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5931 * config/darwin-protos.h (darwin_file_start): New.
5932 (darwin_asm_output_dwarf_offset): New.
5933 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5934 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5936 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5937 if not EH section; simplify.
5938 (darwin_file_start): New.
5939 (darwin_asm_output_dwarf_offset): New.
5940 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5942 (DEBUG_INFO_SECTION): Likewise.
5943 (DEBUG_ABBREV_SECTION): Likewise.
5944 (DEBUG_ARANGES_SECTION): Likewise.
5945 (DEBUG_MACINFO_SECTION): Likewise.
5946 (DEBUG_LINE_SECTION): Likewise.
5947 (DEBUG_LOC_SECTION): Likewise.
5948 (DEBUG_PUBNAMES_SECTION): Likewise.
5949 (DEBUG_STR_SECTION): Likewise.
5950 (DEBUG_RANGES_SECTION): Likewise.
5951 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5952 (ASM_OUTPUT_DWARF_OFFSET): New.
5954 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5956 * config.gcc (tm_defines): Always add to previous value rather
5959 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5961 * config/mips/predicates.md (splittable_const_int_operand): New,
5962 split from move_operand.
5963 (splittable_symbolic_operand): New.
5964 (move_operand): Add commentary. Use splittable_const_int_operand.
5965 Inline mips_atomic_symbolic_constant_p.
5966 * config/mips/mips.md: Add combine splitters for handling moves
5967 of splittable_const_int_operands and splittable_symbolic_operands.
5968 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5969 (mips_split_symbol): Declare.
5970 (mips_move_integer): Declare.
5971 * config/mips/mips.c (mips_split_p): Make global.
5972 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5973 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5974 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5975 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5976 (mips_offset_within_object_p): Handle block symbols.
5977 (mips_atomic_symbolic_constant_p): Delete.
5978 (mips_cannot_force_const_mem): Return false for constants that
5979 mips_legitimize_move can handle.
5980 (mips_use_blocks_for_constant_p): New function.
5981 (mips_split_symbol): Make global.
5982 (mips_move_integer): Likewise. Add a temporary register argument.
5983 (mips_legitimize_const_move): Use splittable_const_int_operand and
5984 splittable_symbolic_operand.
5985 (mips_use_anchors_for_symbol_p): New function.
5986 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5987 (mips_split_p): Declare.
5989 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5991 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5992 (mips*-*-linux*): Likewise.
5994 2006-03-16 Roger Sayle <roger@eyesopen.com>
5995 Daniel Speyer <dspeyer@wam.umd.edu>
5998 * tree-dump.c (dump_real): New function.
5999 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6000 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6001 (tree-dump.o): Add $(REAL_H) to the dependencies.
6003 2006-03-16 Roger Sayle <roger@eyesopen.com>
6006 * real.c (real_from_string): If the mantissa is zero, don't bother
6007 parsing the exponent as the result should always be zero.
6009 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6011 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6013 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6015 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6016 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6017 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6018 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6019 ia64_sched_finish_global): New static functions to implement
6020 hooks from gcc_target.sched.
6021 (spec_check_no, max_uid, pending_data_specs): New static variables.
6022 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6023 ia64_spec_check_src_p): New static functions.
6024 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6025 (TARGET_SCHED_ADJUST_COST): Removed.
6026 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6027 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6028 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6029 TARGET_SCHED_GEN_CHECK,
6030 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6031 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6032 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6033 Fixed to handle speculation checks.
6034 (rtx_needs_barrier): Fixed to handle speculative loads and
6036 (ia64_variable_issue): Added code to count speculative loads and their
6038 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6040 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6042 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6044 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6045 (ia64_reorg): Reset stops_p to NULL after it is freed.
6046 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6047 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6048 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6050 (data_speculative, control_speculative, check_load): New attributes.
6051 (mov<mode>_advanced, mov<mode>_speculative,
6052 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6053 zero_extend<mode>di2_speculative,
6054 zero_extend<mode>di2_speculative_advanced): New patterns for
6055 data and control speculative loads.
6056 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6058 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6059 New pattern for data and control speculation checks.
6060 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6061 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6062 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6063 Auxiliary definitions for the patterns.
6064 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6065 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6067 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6069 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6070 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6071 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6072 New resource constraints.
6073 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6075 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6076 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6077 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6078 msched-in-control-spec, msched-ldc, msched-control-ldc,
6079 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6080 msched-prefer-non-control-spec-insns,
6081 msched-count-spec-in-critical-path): New flags to tune speculative
6083 * doc/invoke.texi (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): Document new flags.
6090 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6092 * target.h (struct spec_info_def): New opaque declaration.
6093 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6094 speculate_insn, needs_block_p, gen_check,
6095 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6096 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6097 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6098 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6099 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6100 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6102 (TARGET_SCHED): Use new macros.
6103 * rtl.h (copy_DEPS_LIST_list): New prototype.
6104 * sched-int.h (struct sched_info): Change signature of new_ready field,
6105 adjust all initializations. New fields: add_remove_insn,
6106 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6107 region_head_or_leaf_p.
6108 (struct spec_info_def): New structure declaration.
6109 (spec_info_t): New typedef.
6110 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6111 recovery_block, orig_pat.
6112 (glat_start, glat_end): New variables declaraions.
6113 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6115 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6116 DETACH_LIFE_INFO, USE_GLAT.
6117 (enum SPEC_SCHED_FLAGS): New enumeration.
6118 (NOTE_NOTE_BB_P): New macro.
6119 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6120 attach_life_info, debug_spec_status, check_reg_live): New functions.
6121 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6122 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6124 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6125 * ddg.c (get_block_head_tail): Adjust all uses.
6126 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6127 (sms_sched_info): Initialize new fields.
6128 (contributes_to_priority): Removed.
6129 * haifa-sched.c (params.h): New include.
6130 (get_block_head_tail): Adjust all uses.
6131 (ISSUE_POINTS): New macro.
6132 (glat_start, glat_end): New global variables.
6133 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6134 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6135 old_last_basic_block, before_recovery, current_sched_info_var,
6136 rgn_n_insns, luid): New static variables.
6137 (insn_cost1): New function. Move logic from insn_cost to here.
6138 (find_insn_reg_weight1): New function. Move logic from
6139 find_insn_reg_weight to here.
6140 (reemit_notes, move_insn, max_issue): Change signature.
6141 (move_insn1): Removed.
6142 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6143 extend_bb): New static functions to support extension of scheduler's
6145 (generate_recovery_code, process_insn_depend_be_in_spec,
6146 begin_speculative_block, add_to_speculative_block,
6147 init_before_recovery, create_recovery_block, create_check_block_twin,
6148 fix_recovery_deps): New static functions to support
6149 generation of recovery code.
6150 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6151 restore_bb_notes, move_block_after_check, move_succs): New static
6152 functions to support ebb scheduling.
6153 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6154 functions to support handling of register live information.
6155 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6156 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6157 add_jump_dependencies): New static functions.
6158 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6159 consistancy checking.
6160 (debug_spec_status): New function to call from debugger.
6161 (priority): Added code to handle speculation checks.
6162 (rank_for_schedule): Added code to distinguish speculative instructions.
6163 (schedule_insn): Added code to handle speculation checks.
6164 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6165 Fixed to handle ebbs.
6166 (move_insn): Added code to handle ebb scheduling.
6167 (max_issue): Added code to use ISSUE_POINTS of instructions.
6168 (choose_ready): Added code to choose between speculative and
6169 non-speculative instructions.
6170 (schedule_block): Added code to handle ebb scheduling and scheduling of
6171 speculative instructions.
6172 (sched_init): Initialize new variables.
6173 (sched_finish): Free new variables. Print statistics.
6174 (try_ready): Added code to handle speculative instructions.
6175 * lists.c (copy_DEPS_LIST_list): New function.
6176 * sched-deps.c (extend_dependency_caches): New function. Move logic
6177 from create_dependency_caches to here.
6178 (get_dep_weak, ds_merge): Make global.
6179 * genattr.c (main): Code to output prototype for
6180 dfa_clear_single_insn_cache.
6181 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6182 (output_dfa_clean_insn_cache_func): Code to output
6183 dfa_clear_single_insn_cache function.
6184 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6186 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6188 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6189 New static variables.
6190 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6191 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6193 (ebb_sched_info): Initialize new fields.
6194 (get_block_head_tail): Adjust all uses.
6195 (compute_jump_reg_dependencies): Fixed to use glat_start.
6196 (schedule_ebb): Code to remove unreachable last block.
6197 (schedule_ebbs): Added code to update register live information.
6198 * sched-rgn.c (region_sched_info): Initialize new fields.
6199 (get_block_head_tail): Adjust all uses.
6200 (last_was_jump): Removed. Adjust users.
6201 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6202 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6203 Implement new hooks.
6204 (check_dead_notes1): New static function.
6205 (struct region): New fields: dont_calc_deps, has_real_ebb.
6206 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6207 (BB_TO_BLOCK): Fixed to handle EBBs.
6208 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6209 (ebb_head): New static variable.
6210 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6211 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6213 (compute_dom_prob_ps): New assertion.
6214 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6215 global_live_at_start.
6216 (init_ready_list): New assertions.
6217 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6218 (new_ready): Add support for BEGIN_CONTROL speculation.
6219 (schedule_insns): Fixed code that updates register live information
6221 (schedule_region): Fixed to handle EBBs.
6222 (init_regions): Use extend_regions and check_dead_notes1.
6223 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6224 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6225 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6226 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6227 TARGET_SCHED_GEN_CHECK,
6228 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6229 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6230 * doc/invoke.texi (max-sched-insn-conflict-delay,
6231 sched-spec-prob-cutoff): Document.
6233 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6235 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6236 inter_tick, queue_index.
6237 (struct sched_info): Change signature of init_ready_list field.
6238 Adjust all initializations.
6239 (RESOLVED_DEPS): New access macro.
6240 (ready_add): Remove prototype.
6241 (try_ready): Add prototype.
6242 * sched-rgn.c (init_ready_list): Use try_ready.
6243 (schedule_region): Initialize
6244 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6245 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6246 (init_ready_list): Use try_ready.
6247 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6248 * lists.c (remove_list_elem): Remove `static'.
6249 (remove_free_INSN_LIST_elem): New function.
6250 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6251 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6252 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6254 (readyp): New variable.
6255 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6256 change_queue_index, resolve_dep): New static functions.
6257 (try_ready): New function. Adjust callers in sched-rgn.c and
6258 sched-ebb.c to use it instead of ready_add.
6259 (clock_var): Move at the begining of file.
6260 (rank_for_schedule): Fix typo.
6261 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6262 (ready_lastpos): Enforce assertion.
6263 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6265 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6266 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6267 (queue_to_ready): Use free_INSN_LIST_list.
6268 (early_queue_to_ready): Fix typo.
6269 (schedule_block): Init readyp. Move init_ready_list call after the
6270 initialization of clock_var. Fix error in rejecting insn by
6271 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6272 that previously corrected INSN_TICKs. Add code for handling
6274 (set_priorities): Fix typo.
6275 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6276 Clarify comment and code that keeps current_sched_info->next_tail
6279 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6281 * sched-rgn.c (extend_rgns): New static function.
6282 (find_rgns): Use it.
6283 (gather_region_statistics, print_region_statistics): New static
6285 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6286 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6288 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6289 Andrey Belevantsev <abel@ispras.ru>
6291 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6292 * lists.c (unused_deps_list): New variable.
6293 (free_list): Add assertions to verify the proper distinguishing
6294 between INSN_LISTs and DEPS_LISTs.
6295 (find_list_elem, remove_list_elem, remove_list_node): New static
6297 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6298 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6299 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6300 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6302 (free_INSN_LIST_node): Likewise.
6303 * modulo-sched.c (current_sched_info): Initialize flags field.
6304 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6305 * rtl.def (DEPS_LIST): Define.
6306 * rtl.h: Declare new functions from lists.c.
6307 * sched-deps.c (spec_dependency_cache): New static variable.
6308 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6309 (add_dependence): Change return type to void. Move the logic to ...
6310 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6311 (delete_all_dependences): Add comment about forward_dependency_cache.
6312 Handle spec_dependency_cache. Handle DEPS_LISTs.
6313 (fixup_sched_groups): Clarify the change of priority of output
6314 and anti dependencies.
6315 (sched_analyze_2): Adjust add_dependence calls to create data
6316 speculative dependence.
6317 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6318 Adjust all callers. Handle DEPS_LISTS.
6319 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6320 presence of speculation.
6321 (init_dependency_caches, free_dependency_caches):
6322 Handle spec_dependency_cache.
6323 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6324 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6325 New static functions.
6326 (add_or_update_back_dep, add_or_update_back_forw_dep,
6327 add_back_forw_dep, delete_back_forw_dep): New functions.
6328 * sched-int.h (ds_t, dw_t): New typedefs.
6329 (struct sched_info): Add new field flags.
6330 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6331 Prototype new sched-deps.c functions.
6332 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6333 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6334 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6335 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6336 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6337 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6339 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6341 * sched-rgn.c (current_sched_info): Initialize flags field.
6342 (schedule_insns): Initialize current_sched_info before the sched_init
6344 * sched-ebb.c (current_sched_info): Initialize flags field.
6345 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6346 Call add_or_update_back_dep instead of add_dependence.
6347 Create control speculative dependencies.
6348 (schedule_insns): Initialize current_sched_info before the sched_init
6351 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6353 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6355 (sh_fallback_frame_state): Likewise.
6357 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6359 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6360 Do switch on default_use_cxa_atexit.
6361 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6362 * config/darwin-crt3.o: New.
6363 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6364 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6365 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6367 * config/rs6000/t-darwin: Move crt2.o building to here.
6368 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6369 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6372 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6374 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6375 from '! xxx' to '!xxx' for coding-style conformance.
6376 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6377 (EXTRA_CONSTRAINT): Likewise.
6378 * config/vax/vax.md (four unnamed insns): Likewise.
6380 2006-03-15 Paul Brook <paul@codesourcery.com>
6382 * config/arm/arm.c (minipool_pad): New.
6383 (add_minipool_forward_ref): Include pool alignment padding in address
6385 (push_minipool_fix): Set minipool_pad.
6386 (minipool_pad): Ditto.
6388 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6390 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6391 instead of GET_CODE() == MEM and REG_P() instead of
6393 (print_operand_address): Likewise.
6394 (vax_address_cost): Likewise.
6395 (vax_rtx_costs): Likewise.
6396 (vax_notice_update_cc): Likewise.
6397 (vax_output_int_add): Likewise.
6398 (INDEX_REGISTER_P): Likewise.
6399 (BASE_REGISTER_P): Likewise.
6400 (nonindexed_address_p): Likewise.
6401 (vax_mode_dependent_address_p): Likewise.
6402 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6403 (PRINT_OPERAND): Likewise.
6404 * config/vax/vax.md (ashlsi3): Likewise.
6405 (ashlsi3): Likewise.
6406 (some more unnamed insns): Likewise.
6408 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6410 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6411 iterator-style macro.
6412 (mark_control_dependent_edges_necessary): Update the use of
6413 EXECUTE_IF_CONTROL_DEPENDENT.
6415 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6417 * config/sh/predicates.md (cache_address_operand): Special.
6418 (ua_address_operand): Likewise.
6420 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6422 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6424 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6426 2006-03-15 Andreas Schwab <schwab@suse.de>
6428 * gensupport.c (identify_predicable_attribute): Don't free p_false
6429 when it is still in use.
6431 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6433 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6434 the default setting here.
6436 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6438 * tree-pass.h (pass_cfg): Remove.
6439 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6440 * passes.c (pass_cfg): Don't run it.
6442 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6444 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6445 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6447 (stack_regs_mentioned): Update the uses of
6448 stack_regs_mentioned_data. Don't access the array beyond its
6450 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6451 Don't include gt-reg-stack.h.
6453 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6454 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6456 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6459 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6462 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6464 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6466 2006-03-14 Richard Guenther <rguenther@suse.de>
6468 PR tree-optimization/26672
6469 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6472 2006-03-14 Richard Guenther <rguenther@suse.de>
6474 PR tree-optimization/26667
6475 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6476 node for the callees. Always allow inlining if it will shrink
6479 2006-03-14 Richard Guenther <rguenther@suse.de>
6482 * builtins.c (get_pointer_alignment): Prefer alignment
6483 information from decls over that from types.
6485 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6488 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6490 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6492 * config/rs6000/rs6000.opt (mdlmzb): New option.
6493 (msched-prolog, msched-epilog): Use Var not Mask.
6494 * doc/invoke.texi (-mdlmzb): Document.
6495 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6497 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6498 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6500 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6502 PR rtl-optimization/25739
6503 * bt-load.c (augment_live_range): Free tos pointer.
6505 * gensupport.c (identify_predicable_attribute): Free
6507 * gcov.c (create_file_names): Free name pointer.
6509 2006-03-13 Roger Sayle <roger@eyesopen.com>
6512 * stmt.c (emit_case_nodes): Handle the case where the index is a
6513 CONST_INT, where the comparison mode is specified by the index type.
6515 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6517 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6520 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6522 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6523 (*branch_fp_inverted): Likewise.
6525 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6528 * omp-low.c (expand_omp_for_generic): Mark istart0
6529 and iend0 as addressable.
6531 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6533 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6535 2006-03-13 Jeff Law <law@redhat.com>
6537 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6538 virtual operands are interesting.
6539 (vrp_visit_stmt): Corresponding changes.
6541 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6543 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6545 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6546 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6547 * config/bfin/crti.S: Use it instead of __PIC__.
6548 * config/bfin/crtn.S: Likewise.
6550 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6551 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6553 Lose 'G' modifier for call operand.
6554 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6555 recognize 'G' modifier.
6557 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6560 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6561 * stmt.c (expand_case): Likewise.
6563 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6565 PR rtl-optimization/26254
6566 * loop-invariant.c (seq_insns_valid_p): New function.
6567 (move_invariant_reg): Only emit new code if it is valid.
6569 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6571 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6573 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6574 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6575 (commit_one_edge_insertion): Do not look for loop notes.
6577 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6579 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6580 flag_test_coverage out of loop.
6582 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6584 * final.c (shorten_branches): Remove outdated comment, and turn
6585 the if branch that guards it to continue.
6587 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6589 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6590 * cfgloop.h (struct loop): Remove unused fields.
6592 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6594 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6595 (-dL, -fdump-rtl-loop2): Update the dump file names
6597 * doc/invoke.texi: Update dump file names.
6599 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6601 * predict.c (estimate_probability): Remove.
6602 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6603 * basic-block.h (estimate_probability): Remove prototype.
6604 * passes.c (finish_optimization_passes): Dump branch prediction or
6605 profiling heuristics to the .profile tree dump.
6606 (init_optimization_passes): Unqueue pass_branch_prob.
6608 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6610 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6612 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6613 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6615 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6617 * function.h (frame_offset_overflow): Declare.
6618 * function.c (frame_offset_overflow): New function.
6619 (assign_stack_local_1): Call it to detect that the offset overflows.
6620 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6622 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6624 * config/sh/sh.c: Include alloc-pool.h.
6625 (label_ref_list_pool): New alloc pool.
6626 (label_ref_list_t): New type for lists of labels.
6627 (struct pool_node): Make wend a label_ref_list_t.
6628 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6630 (dump_table): Likewise.
6631 (sh_reorg): Set up the alloc pool before using add_constant and
6632 dump_table, and destroy it when finishing.
6634 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6636 * config/mips/mips.c: Remove redundant comment.
6638 2006-03-10 Jason Merrill <jason@redhat.com>
6641 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6642 the target was declared 'register'.
6644 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6646 * genpreds.c (write_insn_constraint_len): Change definition of
6647 insn_constraint_len to return size_t to match the declaration.
6649 2006-03-10 DJ Delorie <dj@redhat.com>
6651 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6653 (m32c_expand_insv): Fix test for an AND mask.
6655 2006-03-10 Richard Guenther <rguenther@suse.de>
6658 * builtins.c (get_pointer_alignment): Handle component
6659 references for field alignment.
6661 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6663 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6664 when building with libgloss.
6665 (sh*elf): Implement --without-fp option.
6666 (sh64-superh-linux*): Don't multilib.
6668 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6670 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6672 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6674 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6675 Set it when one of the replacement functions returned true.
6676 Return TODO_cleanup_cfg if cfgchanged is true.
6677 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6679 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6681 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6682 instead of gen_lowpart.
6684 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6686 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6688 (mips_output_order_conditional_branch): Declare.
6689 * config/mips/mips.h (MIPS_BRANCH): New macro.
6690 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6691 for the comparison. Use gen_condjump.
6692 (mips_output_conditional_branch): Rework interface to take the
6693 asm templates for a direct branch and the inverse of a direct branch.
6694 (mips_output_order_conditional_branch): New function.
6695 (mips_builtin_branch_and_move): New function.
6696 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6697 branch condition. Use gen_single_cc as the condition for
6698 __builtin_mips_upper_* or __builtin_mips_lower_*.
6699 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6700 Use VOIDmode for the branch condition.
6701 * config/mips/predicates.md (order_operator): New predicate.
6702 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6703 (branch_fp): Rename to...
6704 (*branch_fp): ...this. Remove mode from comparison operator.
6705 Use new mips_output_conditional_branch interface.
6706 (branch_fp_inverted): Rename to...
6707 (*branch_fp_inverted): ...this and update as for *branch_fp.
6708 (*branch_zero<mode>): Rename to...
6709 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6710 Use mips_output_order_conditional_branch. Only accept ordered
6712 (*branch_zero<mode>_inverted): Rename to...
6713 (*branch_order<mode>_inverted): ...this and update as for
6714 *branch_order<mode>.
6715 (*branch_equality<mode>): Accept zero as the second operand to
6716 the equality operator. Use the new mips_output_conditional_branch
6718 (*branch_equality<mode>_inverted): Likewise.
6719 (condjump): New expander.
6720 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6722 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6723 (bc1any2t, bc1any2f): Likewise.
6724 (single_cc): New expander.
6725 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6727 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6729 * doc/md.texi: Update documentation of MIPS constraints.
6730 * config/mips/constraints.md: New file.
6731 * config/mips/mips.md: Include it.
6732 * config/mips/mips.c (mips_char_to_class): Delete.
6733 (override_options): Don't initialize mips_char_to_class.
6734 * config/mips/mips.h (mips_char_to_class): Delete.
6735 (REG_CLASS_FROM_LETTER): Delete.
6736 (CONST_OK_FOR_LETTER_P): Delete.
6737 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6738 (EXTRA_CONSTRAINT_Y): Delete.
6739 (EXTRA_CONSTRAINT_STR): Delete.
6740 (CONSTRAINT_LEN): Delete.
6741 (EXTRA_MEMORY_CONSTRAINT): Delete.
6743 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6745 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6746 original fn's eh regions.
6748 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6750 * fold-const.c (build_range_check): Make sure to use a valid type to
6751 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6754 (range_predecessor): New static function.
6755 (range_successor): Likewise.
6756 (merge_ranges): Use them to compute predecessors and successors of
6759 2006-03-09 Roger Sayle <roger@eyesopen.com>
6762 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6763 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6765 2006-03-08 DJ Delorie <dj@redhat.com>
6767 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6768 (addpsi3): Expand to include memory operands. Remove
6769 reload-specific splits.
6770 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6771 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6772 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6773 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6774 (shift1_qi, shift1_hi, insv): New.
6775 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6776 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6777 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6779 * config/m32c/m32c-protos.h: Update as needed.
6780 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6781 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6782 Fail for unrecognized R* constraints.
6783 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6784 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6785 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6787 (m32c_init_libfuncs): New.
6788 (m32c_legitimate_address_p): Add debug wrapper.
6789 (m32c_rtx_costs): New.
6790 (m32c_address_cost): New.
6791 (conversions): Add 'B' prefix.
6792 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6793 operands, or word regnames for QI operands. 'B' prints bit
6795 (m32c_expand_setmemhi): New.
6796 (m32c_expand_movmemhi): New.
6797 (m32c_expand_movstr): New.
6798 (m32c_expand_cmpstr): New.
6799 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6800 (m32c_expand_neg_mulpsi3): Handle non-ints.
6801 (m32c_cmp_flg_0): New.
6802 (m32c_expand_movcc): New.
6803 (m32c_expand_insv): New.
6804 (m32c_scc_pattern): New.
6805 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6806 a0/a1 out of SIregs.
6807 (STORE_FLAG_VALUE): New.
6808 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6811 * config/m32c/mov.md: Make constraints more liberal.
6812 (zero_extendqihi2): Optimize r0/r1 case.
6813 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6814 * config/m32c/predicates.md (m32c_any_operand): New.
6815 (m32c_nonimmediate_operand): New.
6816 (m32c_hl_operand): New.
6817 (m32c_r3_operand): New.
6820 (memsym_operand): New.
6821 (memimmed_operand): New.
6822 (a_qi_operand): New.
6823 (m32c_eqne_operator): New.
6824 (m32c_1bit8_operand): New.
6825 (m32c_1bit16_operand): New.
6826 (m32c_1mask8_operand): New.
6827 (m32c_1mask16_operand): New.
6828 * config/m32c/blkmov.md: New file.
6829 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6831 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6833 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6834 unsigned to fix signed/unsigned comparison issue in
6835 DWARF2_FRAME_REG_OUT.
6836 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6837 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6839 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6840 of ptr into the ENABLE_CHECKING section.
6842 2006-03-08 Jeff Law <law@redhat.com>
6844 * tree-vrp.c (infer_value_range): Only count pointer uses
6845 and dereferences if -fdelete-null-pointer-checks is enabled.
6847 * tree-vrp.c (find_assert_locations): Infer value ranges for
6848 single use pointers, but do not create ASSERT_EXPRs for them.
6849 When a non-null range is inferred for a pointer, backwards
6850 propagate that range to other equivalent pointers through the
6853 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6856 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6857 language hook targets.
6858 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6859 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6860 if language hook targets were missing.
6862 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6864 * tree-ssa-opfinalize.h: Removed.
6865 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6867 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6868 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6869 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6870 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6871 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6872 finalize_ssa_v_must_def_ops): New.
6874 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6876 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6879 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6881 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6883 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6884 addresses with offsets; reorganize.
6886 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6887 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6888 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6890 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6893 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6895 2006-03-08 Ben Elliston <bje@au.ibm.com>
6897 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6899 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6902 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6905 2006-03-07 Richard Guenther <rguenther@suse.de>
6907 PR tree-optimization/26587
6908 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6910 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6912 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6914 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6916 * hooks.c (hook_bool_mode_rtx_true): New function.
6917 * hooks.h (hook_bool_mode_rtx_true): Declare.
6918 * toplev.c (compile_file): Call output_shared_constant_pool.
6919 * varasm.c (shared_constant_pool): New variable.
6920 (assemble_start_function, assemble_end_function): Remove arguments
6921 from call to output_constant_pool.
6922 (create_constant_pool): New function, split out from...
6923 (init_varasm_status): ...here.
6924 (force_const_mem): Choose between the shared and per-function constant
6925 pools. Set current_function_uses_const_pool when reusing old entries
6926 as well as when creating new ones.
6927 (mark_constant): Ignore data argument.
6928 (mark_constants): Remove pool argument.
6929 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6930 to decide whether the function uses a constant pool.
6931 (output_constant_pool_contents): New function, split out from...
6932 (output_constant_pool): ...here.
6933 (output_shared_constant_pool): New function.
6934 (init_varasm_once): Initialize shared_constant_pool.
6935 * output.h (output_constant_pool): Delete.
6936 (output_shared_constant_pool): Declare.
6937 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6938 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6940 2006-03-06 Nick Clifton <nickc@redhat.com>
6942 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6943 flag_strength_reduce.
6945 2006-03-06 Ben Elliston <bje@au.ibm.com>
6947 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6948 x86_64-*-linux* configurations.
6950 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6951 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6953 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6955 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6957 * basic-block.h: Remove the extern for
6958 rediscover_loops_after_threading.
6960 * cfgloop.c (cancel_loop): Make it static.
6961 * cfgloop.h: Remove the prototype for cancel_loop.
6963 * flow.c (recompute_reg_usage): Make it static.
6964 * rtl.h: Remove the prototype for recompute_reg_usage.
6966 * function.c (use_return_register): Make it static.
6967 * function.h: Remove the prototype.
6969 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6971 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6973 * recog.h: Remove the prototype for
6974 validate_change_maybe_volatile.
6976 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6978 * rtlanal.c (replace_reg): Remove.
6979 * rtl.h: Remove the prototype for replace_reg.
6981 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6983 * regclass.c (reg_scan_update): Remove.
6984 (reg_scan_mark_refs): Remove the last argument.
6985 * rtl.h: Remove the prototype for reg_scan_update.
6987 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6989 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6990 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6991 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6992 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6993 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6994 loop-invariant.c, omp-low.c, opts.c, passes.c,
6995 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6996 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6997 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6998 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6999 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7000 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7004 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7005 * dwarf2out.h: Remove the prototype for
7006 dwarf2out_add_library_unit_info.
7008 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7010 * tree.c (add_var_to_bind_expr): Remove.
7011 * tree.h: Remove the prototype for add_var_to_bind_expr.
7013 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7015 * regclass.c (n_non_fixed_regs): Remove.
7016 (init_reg_sets_1, globalize_reg): Remove all uses of
7018 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7020 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7022 * rtlanal.c (insns_safe_to_move_p): Remove.
7023 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7025 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7027 * expmed.c (expand_mult_add): Remove.
7028 * expr.h: Remove the prototype for expand_mult_add.
7030 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7032 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7033 and REG_SAVED_VAL_EXP constants.
7034 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7035 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7036 Handle regs stored by value.
7037 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7038 (execute_cfa_program): Handle DW_CFA_val_offset,
7039 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7040 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7041 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7042 (uw_install_context_1): Handle target regs stored by value.
7044 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7046 * tree-sra.c (tree_sra): Return todoflags;
7047 (generate_one_element): Set TODO_update_smt_usage if needed.
7048 (pass_sra): Remove TODO_update_smt_usage.
7049 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7051 (tree_ssa_forward_propagate_single_use_vars): Return
7052 TODO_update_smt_usage if we need to update SMT usage.
7053 (pass_forwprop): Remove TODO_update_smt_usage.
7055 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7057 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7058 (correct_use_link): Remove reference to get_stmt_operands.
7059 (update_stmt_operands): Likewise.
7060 (get_modify_expr_operands): New function factored out of
7061 parse_ssa_operands and get_expr_operands.
7062 Try to create V_MUST_DEFs for LHS by default.
7063 (get_expr_operands) <case MODIFY_EXPR>: Call
7064 get_modify_expr_operands.
7065 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7066 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7067 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7068 get_modify_expr_operands.
7070 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7072 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7073 * tree-flow.h: Remove the prototype for
7074 referenced_var_lookup_if_exists.
7076 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7078 PR rtl-optimization/26345
7080 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7082 2006-03-03 Roger Sayle <roger@eyesopen.com>
7084 PR tree-optimization/26524
7085 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7086 fold_convert to create a constant of the appropriate type.
7088 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7090 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7091 SYMBOL_REF_IN_BLOCK_P.
7092 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7093 of SYMBOL_FLAG_IN_BLOCK.
7094 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7095 instead of SYMBOL_REF_IN_BLOCK_P.
7096 * explow.c (use_anchored_address): Likewise.
7097 * rtl.c (rtx_size): Likewise.
7098 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7099 instead of SYMBOL_FLAG_IN_BLOCK.
7100 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7101 SYMBOL_REF_IN_BLOCK_P.
7102 (assemble_variable): Likewise.
7103 (output_constant_def_contents): Likewise.
7104 (output_constant_pool): Likewise.
7105 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7106 instead of SYMBOL_FLAG_IN_BLOCK.
7107 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7108 SYMBOL_REF_IN_BLOCK_P.
7109 (SYMBOL_REF_BLOCK): Likewise.
7110 (SYMBOL_REF_OFFSET): Likewise.
7111 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7112 SYMBOL_REF_IN_BLOCK_P.
7113 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7114 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7115 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7116 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7118 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7120 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7122 2006-03-02 Roger Sayle <roger@eyesopen.com>
7124 * simplify-rtx.c (simplify_unary_operation): When simplifying
7125 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7126 that we perform the right shift in the appropriate mode, and
7127 then extend or truncate the result to requested mode.
7129 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7131 * gengtype.c (main): Handle double_int type.
7132 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7133 * double-int.c: New file.
7134 * double-int.h: New file.
7135 * system.h: Include doubleint.h.
7136 * Makefile.in (SYSTEM_H): Include double-int.h.
7137 (double-int.o): Add.
7139 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7142 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7145 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7147 * tree-vrp.c (remove_range_assertions): Do not update statements
7150 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7152 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7154 * gcse.c (rest_of_handle_gcse): Ditto.
7155 * except.c (gate_handle_eh): Ditto.
7156 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7157 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7159 2006-03-02 Eric Christopher <echristo@apple.com>
7161 * config/i386/i386.c (machopic_output_stub): Add indirection to
7164 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7168 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7170 Sun Niagara specific optimizations.
7171 * config.gcc: Recognize niagara as target.
7172 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7173 (TARGET_CPU_niagara): Define.
7174 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7175 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7176 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7177 (ASM_CPU_SPEC): Likewise.
7178 (PROCESSOR_NIAGARA): New enum entry.
7179 (REGISTER_MOVE_COST): Handle Niagara.
7180 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7181 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7182 (sparc_override_options): Recognize "niagara", set appropriate
7183 default MASK_* values for it, and align functions to 32-bytes
7184 by default just like ULTRASPARC/ULTRASPARC3.
7185 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7186 (sparc64_initialize_trampoline): Likewise.
7187 (sparc_use_sched_lookahead): Use zero for niagara.
7188 (sparc_issue_rate): Use one for niagara.
7189 * config/sparc/niagara.md: New file.
7190 * config/sparc/sparc.md: Include it.
7191 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7192 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7193 when default cpu is niagara.
7194 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7195 (ASM_CPU_SPEC): Likewise.
7196 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7197 when default cpu is niagara.
7198 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7199 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7200 just like v9/ultrasparc/ultrasparc3.
7201 * doc/invoke.texi: Add documentation for "niagara" and improve
7202 existing documentation for ultrasparc variants.
7204 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7206 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7208 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7210 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7211 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7212 and say that only one is needed.
7213 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7214 * target.h (have_switchable_bss_sections): New hook.
7215 * explow.c (use_anchored_address): Check that the symbol is in a block.
7216 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7217 (bss_noswitch_section): New variables.
7218 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7219 (get_noswitch_section): New function.
7220 (get_block_for_section): Allow SECT to be null.
7221 (unlikely_text_section_p): Use SECTION_STYLE.
7222 (bss_initializer_p): New function.
7223 (get_variable_section): Move earlier in file. Take a new argument,
7224 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7225 Return one of the new *_sections in such cases.
7226 (get_block_for_decl): New function, extracting some logic from
7227 use_blocks_for_decl_p.
7228 (change_symbol_section): Remove in favor of...
7229 (change_symbol_block): ...this new function.
7230 (use_blocks_for_decl_p): Remove checks now performed by
7232 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7233 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7234 (emit_local, emit_bss, emit_common): ...these new functions.
7235 Return true if the alignment was honored.
7236 (emit_tls_common): New function.
7237 (asm_emit_uninitialised): Delete.
7238 (assemble_variable_noswitch): New function, split out from...
7239 (assemble_variable): ...here. Don't make decisions about common
7240 variables here. Globalize all public decls that go into non-common
7241 sections. Check whether SYMBOL_REF_BLOCK is null.
7242 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7243 (output_constant_pool): Likewise.
7244 (init_varasm_once): Initialize the new section variables.
7245 (have_global_bss_p): New function.
7246 (categorize_decl_for_section): Use bss_initializer_p.
7247 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7248 (place_block_symbol): Assert that the symbol must be in a block.
7249 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7250 (TARGET_INITIALIZER): Include it.
7251 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7252 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7253 (SECTION_MACH_DEP): Bump by two.
7254 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7255 (unnamed_section): Mention SECTION_UNNAMED in comment.
7256 (named_section): Likewise SECTION_NAMED.
7257 (noswitch_section_callback): New type.
7258 (noswitch_section): New structure.
7259 (section): Add a noswitch_section alternative.
7260 (SECTION_STYLE): New macro.
7261 (tls_comm_section, comm_section, lcomm_section): Declare.
7262 (bss_noswitch_section, have_global_bss_p): Declare.
7263 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7264 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7266 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7267 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7270 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7272 * tree-vrp.c (execute_vrp): Return value.
7273 * regrename.c (rest_of_handle_regrename): Ditto.
7274 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7275 * tree-complex.c (tree_lower_complex): Ditto.
7276 (tree_lower_complex_O0): Ditto.
7277 * tracer.c (rest_of_handle_tracer): Ditto.
7278 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7279 * postreload.c (rest_of_handle_postreload): Ditto.
7280 * tree-tailcall.c (execute_tail_recursion): Ditto.
7281 (execute_tail_calls): Ditto.
7282 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7283 * tree.h (init_function_for_compilation): Ditto.
7284 * ipa-cp.c (ipcp_driver): Ditto.
7285 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7286 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7287 * final.c (compute_alignments): Ditto.
7288 (rest_of_handle_final): Ditto.
7289 (rest_of_handle_shorten_branches): Ditto.
7290 (rest_of_clean_state): Ditto.
7291 * omp-low.c (execute_expand_omp): Ditto.
7292 (execute_lower_omp): Ditto.
7293 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7294 * ipa-reference.c (static_execute): Ditto.
7295 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7296 * reorg.c (rest_of_handle_delay_slots): Ditto.
7297 (rest_of_handle_machine_reorg): Ditto.
7298 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7299 * flow.c (recompute_reg_usage): Ditto.
7300 (rest_of_handle_remove_death_notes): Ditto.
7301 (rest_of_handle_life): Ditto.
7302 (rest_of_handle_flow2): Ditto.
7303 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7304 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7305 (do_ssa_store_ccp): Ditto.
7306 (execute_fold_all_builtins): Ditto.
7307 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7308 * modulo-sched.c (rest_of_handle_sms): Ditto.
7309 * ipa-pure-const.c (static_execute): Ditto.
7310 * cse.c (rest_of_handle_cse): Ditto.
7311 (rest_of_handle_cse2): Ditto.
7312 * web.c (rest_of_handle_web): Ditto.
7313 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7314 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7315 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7316 * tree-nrv.c (tree_nrv): Ditto.
7317 (execute_return_slot_opt): Ditto.
7318 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7319 (create_structure_vars): Ditto.
7320 * loop-init.c (rtl_loop_init): Ditto.
7321 (rtl_loop_done): Ditto.
7322 (rtl_move_loop_invariants): Ditto.
7323 (rtl_unswitch): Ditto.
7324 (rtl_unroll_and_peel_loops): Ditto.
7325 (rtl_doloop): Ditto.
7326 * gimple-low.c (lower_function_body): Ditto.
7327 (mark_used_blocks): Ditto.
7328 * tree-ssa-sink.c (execute_sink_code): Ditto.
7329 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7330 (cgraph_early_inlining): Ditto.
7331 * global.c (rest_of_handle_global_alloc): Ditto.
7332 * jump.c (cleanup_barriers): Ditto.
7333 (purge_line_number_notes): Ditto.
7334 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7335 (rest_of_handle_if_after_reload): Ditto.
7336 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7337 (tree_ssa_loop_im): Ditto.
7338 (tree_ssa_loop_unswitch): Ditto.
7339 (tree_vectorize): Ditto.
7340 (tree_linear_transform): Ditto.
7341 (tree_ssa_loop_ivcanon): Ditto.
7342 (tree_ssa_empty_loop): Ditto.
7343 (tree_ssa_loop_bounds): Ditto.
7344 (tree_complete_unroll): Ditto.
7345 (tree_ssa_loop_prefetch): Ditto.
7346 (tree_ssa_loop_ivopts): Ditto.
7347 (tree_ssa_loop_done): Ditto.
7348 * predict.c (tree_estimate_probability): Ditto.
7349 * recog.c (split_all_insns_noflow): Ditto.
7350 (rest_of_handle_peephole2): Ditto.
7351 (rest_of_handle_split_all_insns): Ditto.
7352 * tree-eh.c (lower_eh_constructs): Ditto.
7353 * regmove.c (rest_of_handle_regmove): Ditto.
7354 (rest_of_handle_stack_adjustments): Ditto.
7355 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7356 * function.c (instantiate_virtual_regs): Ditto.
7357 (init_function_for_compilation): Ditto.
7358 (rest_of_handle_check_leaf_regs): Ditto.
7359 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7360 (rest_of_handle_gcse): Ditto.
7361 * ipa-type-escape.c (type_escape_execute): Ditto.
7362 * alias.c (rest_of_handle_cfg): Ditto.
7363 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7364 * profile.c (rest_of_handle_branch_prob): Ditto.
7365 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7366 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7367 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7368 * tree-dfa.c (find_referenced_vars): Ditto.
7369 * except.c (set_nothrow_function_flags): Ditto.
7370 (convert_to_eh_region_ranges): Ditto.
7371 (rest_of_handle_eh): Ditto.
7372 * emit-rtl.c (unshare_all_rtl): Ditto.
7373 (remove_unnecessary_notes): Ditto.
7374 * except.h (set_nothrow_function_flags): Ditto.
7375 (convert_to_eh_region_ranges): Ditto.
7376 * cfgexpand.c (tree_expand_cfg): Ditto.
7377 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7378 * tree-ssa-pre.c (do_pre): Ditto.
7379 (execute_fre): Ditto.
7380 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7381 (rest_of_handle_jump2): Ditto.
7382 * tree-sra.c (tree_sra): Ditto.
7383 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7384 (execute_mudflap_function_decls): Ditto.
7385 * tree-ssa-copy.c (do_copy_prop): Ditto.
7386 (do_store_copy_prop): Ditto.
7387 * ipa-prop.h (ipcp_driver): Ditto.
7388 * cfglayout.c (insn_locators_initialize): Ditto.
7389 * tree-ssa-forwprop.c
7390 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7391 * cfglayout.h (insn_locators_initialize): Ditto.
7392 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7393 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7394 (execute_late_warn_uninitialized): Ditto.
7395 * rtl.h (cleanup_barriers): Ditto.
7396 (split_all_insns_noflow): Ditto.
7397 (purge_line_number_notes): Ditto.
7398 (unshare_all_rtl): Ditto.
7399 (remove_unnecessary_notes): Ditto.
7400 (recompute_reg_usage): Ditto.
7401 (variable_tracking_main): Ditto.
7402 * integrate.c (emit_initial_value_sets): Ditto.
7403 * integrate.h (emit_initial_value_sets): Ditto.
7404 * tree-optimize.c (execute_free_datastructures): Ditto
7405 (execute_free_cfg_annotations): Ditto.
7406 (execute_fixup_cfg): Ditto.
7407 (execute_cleanup_cfg_pre_ipa): Ditto.
7408 (execute_cleanup_cfg_post_optimizing): Ditto.
7409 (execute_init_datastructures): Ditto.
7410 * tree-object-size.c (compute_object_sizes): Ditto.
7411 * combine.c (rest_of_handle_combine): Ditto.
7412 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7413 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7414 (rest_of_handle_reorder_blocks): Ditto.
7415 (rest_of_handle_partition_blocks): Ditto.
7416 * var-tracking.c (variable_tracking_main): Ditto.
7417 * tree-profile.c (tree_profiling): Ditto.
7418 * tree-vect-generic.c (expand_vector_operations): Ditto.
7419 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7420 * sched-rgn.c (rest_of_handle_sched): Ditto.
7421 (rest_of_handle_sched2): Ditto.
7422 * basic-block.h (free_bb_insn): Ditto.
7423 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7424 * tree-cfg.c (execute_build_cfg): Ditto.
7425 (remove_useless_stmts): Ditto.
7426 (split_critical_edges): Ditto.
7427 (execute_warn_function_return): Ditto.
7428 (execute_warn_function_noreturn): Ditto.
7429 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7430 * cfgrtl.c (free_bb_for_insn): Ditto.
7431 * passes.c (execute_one_pass): Run additional
7432 todos returned by execute function.
7433 * tree-pass.h (struct tree_opt_pass): Make execute
7436 2006-03-02 Richard Guenther <rguenther@suse.de>
7438 * tree-ssa-alias.c (find_used_portions): Consider taking
7439 the address as making the variable not write-only.
7441 2006-03-02 Nick Clifton <nickc@redhat.com>
7443 * config.gcc (default_use_cxa_atexit): Extend the description of
7444 this configure variable. Set its default value to "yes" for
7445 Linux, NetBSD and ELF targets on the assumption that they will
7446 use C libraries with the __cxa_atexit function.
7448 2006-03-02 Ben Elliston <bje@au.ibm.com>
7450 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7451 parameter as unused to suppress a build warning.
7453 2006-03-02 Ben Elliston <bje@au.ibm.com>
7455 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7458 2006-03-01 Roger Sayle <roger@eyesopen.com>
7461 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7462 declared name, the weak reference name, and the typeof name.
7463 (__gthrw): Avoid expanding the declared name suffix.
7464 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7466 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7468 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7470 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7471 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7472 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7473 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7474 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7475 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7476 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7477 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7478 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7479 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7480 (DW_END_default, DW_END_big, DW_END_little): New.
7481 (DW_END_lo_user, DW_END_hi_user): Define.
7482 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7483 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7484 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7487 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7489 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7491 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7493 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7495 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7497 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7498 to 'symbol_mem_tag'.
7500 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7503 2006-03-01 Roger Sayle <roger@eyesopen.com>
7505 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7507 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7510 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7511 MACHO_DYNAMIC_NO_PIC_P.
7512 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7514 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7517 * config/darwin-protos.h (darwin_asm_output_anchor):
7519 * config/darwin-sections.def (cstring_section):
7520 Add SECTION_MERGE to the flags.
7521 (literal4_section): Likewise.
7522 (literal8_section): Likewise.
7523 (objc_selector_refs_section): Likewise.
7524 (objc_cls_refs_section): Likewise.
7525 * config/darwin.c (darwin_asm_output_anchor): New
7527 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7529 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7531 Fix PR tree-optimization/26443
7532 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7533 to todo and PROP_tmt_usage to properties_destroyed.
7534 * tree-ssa-ccp.c (pass_ccp): Ditto.
7535 (pass_store_ccp): Ditto.
7536 * tree-ssa-dom.c (pass_dominator): Ditto.
7538 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7540 * tree-ssa-operands.c: Cleanup whitespace.
7541 (get_asm_expr_operands): Move before first invocation.
7542 (get_indirect_ref_operands): Likewise.
7543 (get_tmr_operands): Likewise.
7544 (get_call_expr_operands): Likewise.
7545 (append_def): Likewise.
7546 (append_use): Likewise.
7547 (append_v_may_def): Likewise.
7548 (append_v_must_def): Likewise.
7549 (add_call_clobber_ops): Likewise.
7550 (add_call_read_ops): Likewise.
7551 (add_stmt_operand): Likewise.
7552 (add_virtual_operand): Likewise.
7553 (build_ssa_operands): Likewise.
7555 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7560 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7561 with a call expr to ...
7562 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7564 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7566 * tree-vrp.c (extract_range_from_assert): Remove special
7567 handling for types with super-types.
7569 2006-03-01 Ben Elliston <bje@au.ibm.com>
7571 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7572 and powerpc64-*-linux* configurations.
7573 * config/t-dfprules: New file.
7575 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7576 Compile dfp-bit.c from the source directory using -DWIDTH and
7577 $DFP_CFLAGS to control the compilation of that file, rather than
7578 generating width-specific versions in the build directory.
7579 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7580 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7582 2006-02-28 Zack Weinberg <zackw@panix.com>
7584 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7587 2006-02-28 Eric Christopher <echristo@apple.com>
7589 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7590 Set up IN_LIBGCC definition of TARGET_64BIT.
7591 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7593 2006-02-28 Roger Sayle <roger@eyesopen.com>
7596 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7597 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7598 cases via the construction of "expr != 0".
7600 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7602 * alias.c (alias_invariant, alias_invariant_size): Remove.
7603 (record_base_value): Remove.
7604 (memrefs_conflict_p): Don't look at alias_invariant.
7605 (end_alias_analysis): Don't free it.
7606 * alias.h (record_base_value): Remove prototype.
7608 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7609 Adam Nemet <anemet@caviumnetworks.com>
7611 * rtl.h (truncated_to_mode): Declare it.
7612 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7613 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7614 (RTL_HOOKS_INITIALIZER): Include it.
7615 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7616 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7617 reg_truncated_to_mode.
7618 * rtlanal.c (truncated_to_mode): Define it.
7619 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7621 2006-02-28 Jeff Law <law@redhat.com>
7623 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7624 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7625 the range allowed by TYPE_PRECISION.
7627 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7629 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7631 PR tree-optimization/26419
7632 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7635 2006-02-27 Zack Weinberg <zackw@panix.com>
7637 * doc/md.texi: Fix typo in previous change.
7639 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7643 2006-02-27 Zack Weinberg <zackw@panix.com>
7645 * rtl.def (define_constraint, define_register_constraint)
7646 (define_memory_constraint, define_address_constraint): New MD forms.
7647 * gensupport.c (process_rtx): Put define_constraint etc on the
7649 * genpreds.c (process_define_predicate): Adjust comment. Validate
7650 the name, and call validate_exp to validate the expression.
7651 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7652 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7653 all callers changed.
7654 (validate_exp, needs_variable, struct constraint_data)
7655 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7656 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7657 (const_dbl_constraints, constraint_max_namelen)
7658 (have_register_constraints, have_memory_constraints)
7659 (have_address_constraints, have_address_constraints)
7660 (have_extra_constraints, have_const_int_constraints)
7661 (have_const_dbl_constraints, mangle, add_constraint)
7662 (process_define_constraint, process_define_register_constraint)
7663 (write_enum_constraint_num, write_lookup_constraint)
7664 (write_insn_constraint_len, write_regclass_for_constraint)
7665 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7666 (write_insn_extra_memory_constraint)
7667 (write_insn_extra_address_constraint)
7668 (write_satisfies_constraint_fns): New.
7669 (write_tm_preds_h): If we have new-style constraint definitions,
7670 prototype the functions generated from them, and define the
7671 old constraint interface (still used by generic code) in terms of
7673 (write_insn_preds_c): If we have new-style constraint definitions,
7674 generate all relevant functions from those definitions.
7675 (main): Handle define_constraint etc.
7676 * genoutput.c (struct constraint_data, indep_constraints)
7677 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7678 (mdep_constraint_len): New data structures and functions, defined
7679 #ifdef USE_MD_CONSTRAINTS.
7680 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7681 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7682 use new logic to validate operand constraints against constraint
7684 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7686 * defaults.h: If none of the old-style constraint macros are
7687 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7688 old-style macros; and poison REG_CLASS_FROM_LETTER,
7689 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7691 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7692 * doc/md.texi: Document new constraint-definition mechanism and the
7693 C interface it provides. Remove references to old mechanism
7694 elsewhere in the document.
7695 (Machine Constraints): Use pathnames relative to gcc directory,
7696 i.e. config/ARCH/FILE. Change i386 section to refer to
7697 config/i386/predicates.md; update that section to match docstrings.
7698 * doc/tm.texi: Move all documentation of the old constraint-
7699 definition macros to their own section, clearly mark as obsolete.
7701 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7702 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7704 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7705 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7706 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7708 (splits and peepholes): Use satisfies_constraint_*.
7709 * config/i386/i386.c (memory_address_length)
7710 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7712 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7714 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7715 scalar operation to be put back into the loop.
7717 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7720 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7721 (extract_cie_info): Handle S flag in augmentation string.
7722 (execute_cfa_program): If context->signal_frame, execute also
7723 fs->pc == context->ra instructions.
7724 (uw_frame_state_for): If context->signal_frame, don't subtract one
7725 from context->ra to find FDE.
7726 (uw_update_context_1): Set context->signal_frame to
7728 (_Unwind_GetIPInfo): New function.
7729 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7730 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7732 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7733 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7734 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7735 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7736 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7737 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7738 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7739 x86_64_fallback_frame_state): Set fs->signal_frame.
7740 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7741 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7742 (frob_update_context): Likewise. Workaround missing S flag in
7743 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7744 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7745 Remove the psw_addr + 1 hack.
7747 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7749 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7750 with aggregates here.
7751 (find_func_aliases): Remove code for &<aggregate> from here.
7753 2006-02-26 Roger Sayle <roger@eyesopen.com>
7755 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7756 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7757 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7760 2006-02-26 Roger Sayle <roger@eyesopen.com>
7763 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7765 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7767 * opts.c (decode_options): Do not handle flag_strength_reduce.
7768 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7769 and OPT_fstrength_reduce.
7770 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7771 flag_prefetch_loop_arrays for being nonzero.
7772 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7774 (fprefetch-loop-arrays-rtl): Removed.
7775 (flag_prefetch_loop_arrays): Do not specify the value.
7777 * doc/passes.texi: Update documentation of loop optimizer
7779 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7780 -frerun-loop-opt): Remove.
7782 2006-02-26 Richard Guenther <rguenther@suse.de>
7784 PR tree-optimization/26421
7785 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7786 in function calls that are ADDR_EXPRs as using the whole structure.
7788 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7790 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7791 * tree-pass.h (pass_loop_optimize): Remove.
7792 * passes.c (pass_loop_optimize): Never run it.
7793 * toplev.c (backend_init): Don't call init_loop.
7794 * opts.c (flag_loop_optimize_set): Remove.
7795 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7796 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7797 the old RTL loop optimizer when profiling enabled.
7798 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7799 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7800 pre-headers for the sake of the old RTL loop optimizer.
7801 * Makefile.in: Remove all references to loop.o.
7803 * doc/invoke.texi: Remove all references to -floop-optimize
7804 and -frerun-loop-opt.
7806 2006-02-26 Zack Weinberg <zackw@panix.com>
7808 * doc/md.texi (Machine Constraints): Refer to all files with paths
7809 relative to gcc directory (i.e. config/CPU/file). Add missing
7810 @table @code ... @end table to M32C subsection.
7812 2006-02-26 Roger Sayle <roger@eyesopen.com>
7814 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7816 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7818 2006-02-26 Roger Sayle <roger@eyesopen.com>
7819 James A. Morrison <phython@gcc.gnu.org>
7822 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7823 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7824 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7825 signedness of the shift operation.
7827 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7829 PR tree-optimization/26359
7830 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7832 2006-02-25 Roger Sayle <roger@eyesopen.com>
7834 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7835 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7836 as X == 0, and some symmetry related transformations.
7837 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7839 2006-02-25 Roger Sayle <roger@eyesopen.com>
7842 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7843 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7844 symmetry related transformations. Fold (X^C1) == C2 as
7847 2006-02-25 Juergen Weigert <jw@suse.de>
7848 Richard Guenther <rguenther@suse.de>
7850 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7852 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7854 * combine.c (gen_lowpart_or_truncate): Call
7855 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7857 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7859 * doc/invoke.texi: Move -fopenmp description to "Options for
7861 Remove reference to -lgomp.
7863 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7865 * doc/install.texi: Require GNU tar version 1.14.
7867 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7869 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7870 * doc/invoke.texi (C++ Dialect Options): Document
7871 -fno-use-cxa-get-exception-ptr.
7872 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7873 * configure: Regenerate.
7874 * c.opt (fuse-cxa-get-exception-ptr): New.
7875 * c-opts.c (c_common_handle_option): Handle
7876 OPT_fuse_cxa_get_exception_ptr.
7877 * c-common.c (flag_use_cxa_atexit): Update documentation.
7878 (flag_use_cxa_get_exception_ptr): New.
7879 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7880 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7882 (C_COMMON_OVERRIDE_OPTIONS): New.
7884 2006-02-24 Roger Sayle <roger@eyesopen.com>
7887 * combine.c (try_combine): Explicitly check whether GET_CODE is
7888 a SET or a CLOBBER, instead on checking that it isn't a USE.
7890 2006-02-24 Roger Sayle <roger@eyesopen.com>
7892 * fold-const.c (fold_comparison): New subroutine of fold_binary
7893 containing transformations common to both the equality and
7894 ordering relational operators, factored out of fold_binary.
7895 (fold_binary): Separate out the equality operators (EQ_EXPR
7896 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7897 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7898 transformations common to both.
7899 (fold_div_compare): Fix latent bugs in the previously unreachable
7900 LT_EXPR and GE_EXPR cases.
7902 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7904 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7905 decl libname for clog to __clog on AIX.
7907 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7909 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7912 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7913 output traceback table for thunks. Localise rs6000_stack_info call.
7915 2006-02-23 Roger Sayle <roger@eyesopen.com>
7916 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7918 * gthr-posix.h (__gthrw): Fix typo in comment.
7920 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7922 * doc/cpp.texi (Character sets): Document that we do support
7923 input files to be in any character set.
7925 2006-02-23 Jeff Law <law@redhat.com>
7927 * tree.h (PHI_ARG_NONZERO): Remove.
7928 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7929 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7930 node to the new node.
7932 PR tree-optimization/26425
7933 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7934 min/max, then assume its varying.
7936 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7938 PR rtl-optimization/26316
7939 * rtlanal.c (enum may_trap_p_flags): New.
7940 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7941 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7942 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7943 (may_trap_after_code_motion_p): New function.
7944 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7945 (find_invariant_insn): Use may_trap_after_code_motion_p.
7946 * rtl.h (may_trap_after_code_motion_p): Declare.
7948 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7950 * emit-rtl.c (immed_double_const): Cleanup.
7952 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7954 Fix PR tree-optimization/26376
7955 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7958 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7961 * gimplify.c (omp_add_variable): Guard variable size decl test with
7962 DECL_SIZE (decl) check.
7964 2006-02-23 Richard Guenther <rguenther@suse.de>
7967 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7968 like aggregate types.
7970 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7972 * configure.ac: Add --with{,out}-long-double-128 configure option.
7973 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7974 * configure: Rebuilt.
7975 * config.in: Rebuilt.
7976 * doc/install.texi (Options specification): Document
7977 --with-long-double-128.
7979 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7980 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7981 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7982 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7984 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7986 * config/s390/s390.c (override_options): Handle
7987 TARGET_DEFAULT_LONG_DOUBLE_128.
7989 * config/alpha/alpha.c (override_options): Handle
7990 TARGET_DEFAULT_LONG_DOUBLE_128.
7992 * config/sparc/sparc.c (sparc_override_options): Handle
7993 TARGET_DEFAULT_LONG_DOUBLE_128.
7995 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7997 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7998 (real-install-headers-tar, real-install-headers-cpio)
7999 (real-install-headers-cp): New targets.
8001 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8003 * tree.h (variable_section): Delete.
8004 * varasm.c (variable_section): Delete.
8006 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8008 * install.texi: Add notes on install.texi2html.
8009 (Building in parallel): Do not use footnotes.
8011 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8014 * doc/install.texi (Configuration): Document --disable-libgomp.
8016 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8018 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8020 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8022 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8023 (vec_extractv2df_0_sse): New.
8025 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8027 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8028 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8029 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8030 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8031 to the result of the expression.
8032 (def_cfa_1): Adjust.
8033 (frame_pointer_cfa_offset): Rename to...
8034 (frame_pointer_fb_offset): ... this. Adjust all uses.
8035 (convert_cfa_to_loc_list): Rename to...
8036 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8037 Pass it on to build_cfa_loc.
8038 (compute_frame_pointer_to_cfa_displacement): Rename to...
8039 (compute_frame_pointer_to_fb_displacement): ... this. New
8040 offset parameter. Use it in computation.
8041 (gen_subprogram_die): Compute cfa_fb_offset with the new
8042 macro, and use it to compute the fb loc list and the
8045 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8047 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8048 replaced with register_operand.
8049 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8050 non-DREG is expensive.
8051 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8052 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8055 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8057 * doc/install.texi2html: Use set -e.
8059 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8061 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8062 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8063 * doc/invoke.texi (-fshared-data): Delete.
8064 * common.opt (fshared-data): Delete.
8065 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8066 (assemble_static_space): Remove #if 0 code.
8067 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8068 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8069 * config/cris/cris.h: Remove FIXME.
8071 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8073 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8076 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8079 * combine.c (simplify_shift_const_1): Disable nested shifts
8080 optimization for vector shifts.
8082 2006-02-20 Roger Sayle <roger@eyesopen.com>
8084 PR tree-optimization/26361
8085 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8086 of unsigned integer types.
8088 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8090 * tree-chrec.c (eq_evolutions_p): New.
8091 * tree-chrec.h (eq_evolutions_p): Declared.
8092 * tree-data-ref.c: Fix formatting.
8093 (datadep_stats, dependence_stats): New.
8095 (print_direction_vector): New.
8096 (dump_data_dependence_relation): Use print_direction_vector.
8097 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8098 (compute_subscript_distance): Static.
8099 (initialize_data_dependence_relation): Static. Get the number
8100 of loops surrounding the references from the callers, and initialize
8101 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8102 base_object_differ_p analyzers.
8103 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8104 compute_overlap_steps_for_affine_1_2,
8105 analyze_subscript_affine_affine): Count the classified dependences.
8106 Print a message when a test failed.
8107 (can_use_analyze_subscript_affine_affine): New.
8108 (analyze_siv_subscript): Compute the data dependences on symbolic
8109 scevs that verify can_use_analyze_subscript_affine_affine.
8110 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8111 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8112 Handle symbolic scevs.
8113 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8115 (subscript_dependence_tester): Moved...
8116 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8117 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8118 DDR_SIZE_VECT instead of getting it in parameter.
8119 (subscript_dependence_tester): ... here. Take as a parameter
8120 loop_nest_depth. Call build_classic_dist_vector and
8121 build_classic_dir_vector.
8122 (compute_affine_dependence): Update subscript_dependence_tester
8123 parameters. Update datadep_stats counters. Call
8124 compute_subscript_distance.
8125 (compute_self_dependence): Save the dist and dir vectors. Call
8126 compute_subscript_distance.
8127 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8128 (compute_all_dependences): Reorder parameters as they were before
8129 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8130 compute_subscript_distance. Update the use of
8131 compute_affine_dependence and initialize_data_dependence_relation.
8132 (find_data_references_in_loop): Handle COMPONENT_REF.
8133 (compute_data_dependences_for_loop): Initialize dependence_stats.
8134 Don't call build_classic_dist_vector and build_classic_dir_vector.
8135 Update the parameters of initialize_data_dependence_relation and
8136 compute_all_dependences. Print the statistics from datadep_stats.
8137 (analyze_all_data_dependences): Static. Not used until the pass for
8138 checking the data dependences is contributed.
8139 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8140 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8141 (initialize_data_dependence_relation, compute_affine_dependence,
8142 analyze_all_data_dependences, compute_subscript_distance): Removed.
8143 (print_direction_vector): New.
8144 * lambda.h (gcd): ... here.
8145 (lambda_vector_gcd): Moved here from gcd_vector.
8146 * lambda-code.c (gcd, gcd_vector): Removed.
8147 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8148 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8150 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8152 * ipa-type-escape.c: Tidy some comments and white space.
8153 * tree-ssa-operands.c: Likewise.
8155 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8158 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8159 (dump_decl_name): Do not walk the decl tree chains.
8160 * tree-pass.h (TDF_CHAIN): Remove.
8162 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8164 * Makefile.in (C): Remove
8166 (.PHONY): Remove C and PROTO
8168 2006-02-20 Roger Sayle <roger@eyesopen.com>
8171 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8172 deprecated CHAR_TYPE tree code.
8174 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8176 * configure.ac (target_list): Add install-info, dvi, html.
8177 * configure: Regenerate.
8179 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8180 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8181 treelang/Make-lang.in: Do not use double-colon rules.
8183 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8185 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8186 (TMT_USED_ALONE): New macro.
8187 * tree-pass.h (PROP_tmt_usage): New property.
8188 (TODO_update_tmt_usage): New todo.
8189 * tree-ssa-alias.c (updating_used_alone): New variable.
8190 (recalculate_used_alone): New function.
8191 (compute_may_aliases): Set updating_used_alone, call
8192 recalculate_used_alone.
8193 * tree-sra.c (pass_sra): Note that this pass destroys
8194 PROP_tmt_usage, and add TODO_update_tmt_usage.
8195 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8196 * tree-flow.h (updating_used_alone): Prototype.
8197 (recalculate_used_alone): Ditto.
8198 * passes.c (execute_todo): Add code to set updating_used_alone,
8199 and call recalculate.
8200 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8201 for clobber if used alone, and add assert to verify used_alone
8204 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8206 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8207 for non tls symbols added.
8208 (legitimize_address): Do nothing for PLUS expressions if one of the
8209 addends is a tls symbol reference.
8211 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8215 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8217 * Makefile.in (BOOTSTRAPPING): New.
8218 (quickstrap): New definition if BOOTSTRAPPING=yes.
8220 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8221 * configure.ac: Substitute all_selected_languages with the languages
8222 that were configured. For all the other variables except
8223 lang_specs_files, include all the languages in the tree.
8224 * configure: Regenerate.
8226 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8227 if there is one. Run the commands to run fixincludes in the same
8230 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8231 * doc/install.texi: Document exact conventions for searching target tools.
8232 Document --with-build-time-tools. Document toplevel bootstrap. Document
8233 something more about building an Ada cross-compiler. Don't list GNU Make
8234 requirements which affect all platforms.
8236 2006-02-19 Roger Sayle <roger@eyesopen.com>
8239 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8240 only equivalent if the have both the same mode and precision.
8242 2006-02-20 Ben Elliston <bje@au.ibm.com>
8244 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8246 2006-02-19 Roger Sayle <roger@eyesopen.com>
8247 Steven Bosscher <stevenb.gcc@gmail.com>
8249 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8250 constant pool references to identify stack mode constants.
8251 * rtlanal.c (constant_pool_constant_p): New predicate to check
8252 whether operand is a floating point constant in the pool.
8253 * rtl.h (constant_pool_constant_p): Prototype here.
8254 * loop.c (scan_loop): Avoid hoisting constants from the constant
8255 pool on STACK_REGS targets.
8256 (load_mems): Likewise.
8257 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8258 loads into x87 registers expensive in terms of register pressure.
8260 2006-02-19 Roger Sayle <roger@eyesopen.com>
8262 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8263 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8265 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8267 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8268 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8270 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8272 * doc/invoke.texi: Document -fipa-pta.
8273 * common.opt: Add ipa-pta option.
8274 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8275 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8276 (do_ds_constraint): Ditto.
8277 (get_constraint_for): Only add to referenced_vars if
8278 referenced_vars exists.
8279 (insert_into_field_list): Rewrite to do this unsorted.
8280 (insert_into_field_list_sorted): Rename old insert_into_field_list
8282 (create_function_info_for): Use insert_into_field_list_sorted.
8283 (create_variable_info_for): Rewrite so it uses unsorted version,
8284 since the field list is sorted.
8285 (intra_create_variable_infos): Only add to referenced_vars if
8286 referenced_vars exists.
8287 (ipa_pta_execute): Init heapvars, and delete when done.
8288 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8290 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8292 * doc/install.texi: Add missing `@samp'.
8294 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8296 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8299 2006-02-18 Mark Wielaard <mark@klomp.org>
8301 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8302 who added new 4.1 features, bug fixes and integration support.
8304 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8307 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8310 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8312 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8313 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8314 (copy_insn_1): Likewise. Don't copy each field individually.
8316 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8318 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8319 * rtl.c (rtx_size): Rename variable to...
8320 (rtx_code_size): ...this.
8321 (rtx_size): New function.
8322 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8323 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8325 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8326 * rtl.h (rtx_code_size): New variable.
8327 (rtx_size): Change from a variable to a function.
8328 (RTX_SIZE): Rename to...
8329 (RTX_CODE_SIZE): ...this.
8332 PR tree-optimization/17106
8333 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8334 (Anchored Addresses): New section.
8335 * doc/invoke.texi (-fsection-anchors): Document.
8336 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8337 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8338 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8339 * hooks.c (hook_bool_mode_rtx_false): New function.
8340 * hooks.h (hook_bool_mode_rtx_false): Declare.
8341 * gengtype.c (create_optional_field): New function.
8342 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8343 SYMBOL_REF_IN_BLOCK_P is true.
8344 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8345 (min_anchor_offset, max_anchor_offset): Likewise.
8346 (use_anchors_for_symbol_p): New hook.
8347 * toplev.c (compile_file): Call output_object_blocks.
8348 (target_supports_section_anchors_p): New function.
8349 (process_options): Check that -fsection-anchors is only used on
8350 targets that support it and when -funit-at-a-time is in effect.
8351 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8352 if the decl doesn't have one.
8353 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8354 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8355 of force_const_mem through use_anchored_address.
8356 (expand_expr_constant): New function.
8357 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8358 calling expand_expr for INDIRECT_REF.
8359 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8360 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8361 * expr.h (use_anchored_address): Declare.
8362 * loop-unroll.c: Don't declare rtx vectors here.
8363 * explow.c: Include output.h.
8364 (validize_mem): Call use_anchored_address.
8365 (use_anchored_address): New function.
8366 * common.opt (-fsection-anchors): New switch.
8367 * varasm.c (object_block_htab, anchor_labelno): New variables.
8368 (hash_section, object_block_entry_eq, object_block_entry_hash)
8369 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8370 (use_blocks_for_decl_p, change_symbol_section): New functions.
8371 (get_variable_section): New function, split out from assemble_variable.
8372 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8373 use_blocks_for_decl_p say so. Use change_symbol_section if the
8374 symbol has already been created.
8375 (assemble_variable_contents): New function, split out from...
8376 (assemble_variable): ...here. Don't output any code for
8377 block symbols; just pass them to place_block_symbol.
8378 Use get_variable_section and assemble_variable_contents.
8379 (get_constant_alignment, get_constant_section, get_constant_size): New
8380 functions, split from output_constant_def_contents.
8381 (build_constant_desc): Create a block symbol if use_object_blocks_p
8382 says so. Or into SYMBOL_REF_FLAGS.
8383 (assemble_constant_contents): New function, split from...
8384 (output_constant_def_contents): ...here. Don't output any code
8385 for block symbols; just pass them to place_section_symbol.
8386 Use get_constant_section and get_constant_alignment.
8387 (force_const_mem): Create a block symbol if use_object_blocks_p and
8388 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8389 (output_constant_pool_1): Add an explicit alignment argument.
8390 Don't switch sections here.
8391 (output_constant_pool): Adjust call to output_constant_pool_1.
8392 Switch sections here instead. Don't output anything for block symbols;
8393 just pass them to place_block_symbol.
8394 (init_varasm_once): Initialize object_block_htab.
8395 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8396 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8397 (place_block_symbol, get_section_anchor, output_object_block)
8398 (output_object_block_htab, output_object_blocks): New functions.
8399 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8400 (TARGET_ASM_OUT): Include it.
8401 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8402 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8403 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8404 (TARGET_INITIALIZER): Include them.
8405 * rtl.c (rtl_check_failed_block_symbol): New function.
8406 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8407 (block_symbol, object_block): New structures.
8408 (rtx_def): Add a block_symbol field to the union.
8409 (BLOCK_SYMBOL_CHECK): New macro.
8410 (rtl_check_failed_block_symbol): Declare.
8411 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8412 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8413 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8414 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8415 * output.h (output_section_symbols): Declare.
8416 (object_block): Name structure.
8417 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8418 (default_use_anchors_for_symbol_p): Declare.
8419 * Makefile.in (RTL_BASE_H): Add vec.h.
8420 (explow.o): Depend on output.h.
8421 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8422 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8423 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8424 (rs6000_use_blocks_for_constant_p): New function.
8426 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8428 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8430 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8433 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8436 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8438 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8442 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8445 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8446 instead of DECL_REGISTER.
8448 2006-02-18 Olivier Hainque <hainque@adacore.com>
8451 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8453 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8456 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8457 * opth-gen.awk: Handle Var and InverseMask together.
8458 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8459 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8460 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8461 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8463 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8464 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8465 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8466 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8467 LINUX_DYNAMIC_LINKER): Define.
8468 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8469 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8471 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8472 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8473 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8475 (TARGET_C99_FUNCTIONS): Don't define.
8476 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8477 GLIBC_DYNAMIC_LINKER.
8478 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8479 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8480 GLIBC_DYNAMIC_LINKER64): Define.
8481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8482 LINUX_DYNAMIC_LINKER64.
8483 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8485 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8487 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8489 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8490 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8491 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8493 and LINUX_DYNAMIC_LINKER32.
8494 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8496 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8498 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8500 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8501 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8502 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8503 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8504 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8505 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8506 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8507 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8508 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8509 LINUX_DYNAMIC_LINKER): Define.
8510 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8511 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8512 GLIBC_DYNAMIC_LINKER64): Define.
8513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8514 LINUX_DYNAMIC_LINKER64.
8515 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8516 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8517 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8518 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8519 LINUX_DYNAMIC_LINKER): Define.
8520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8521 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8522 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8523 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8524 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8525 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8526 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8527 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8528 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8529 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8531 * doc/invoke.texi (-muclibc): Remove caveat about supported
8534 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8536 * doc/cpp.texi (__TIMESTAMP__): Document.
8538 2006-02-17 Roger Sayle <roger@eyesopen.com>
8541 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8542 C is one less than the width of X (and related transformations).
8543 * simplify-rtx.c (simplify_unary_operation_1): Transform
8544 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8545 depending on STORE_FLAG_VALUE, were C is one less then the
8548 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8550 Fix PR tree-optimization/26341
8551 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8552 about NAME_MEMORY_TAG's.
8554 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8557 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8558 with hardware float support, and software float support. Add fcpy
8559 alternative to hardware patterns. Add alternatives to copy between
8560 general and floating-point registers to the 32-bit pattern.
8561 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8562 secondary reload to load a QI or HI mode constant into a floating
8564 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8565 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8567 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8570 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8572 (load_macho_picbase_di): Likewise.
8574 2006-02-16 Jeff Law <law@redhat.com>
8576 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8577 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8578 (ssa_name_nonzero_p): Likewise.
8579 (get_value_range): Return NULL if VRP is not running.
8580 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8581 VRP routines do not discover a range.
8582 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8583 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8584 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8585 (tree_expr_nonnegative_p): Similarly.
8586 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8587 (restore_nonzero_vars_to_original_value): Remove.
8588 (unsafe_associative_fp_binop): Remove.
8589 (tree_ssa_dominator_optimize): Remove initialization and
8590 finalization of nonzero_vars and nonzero_vars_stack.
8591 (dom_opt_initialize_block): No longer push marker on
8593 (dom_opt_finalize_block): No longer call
8594 restore_nonzero_vars_to_original_value.
8595 (record_equivalences_from_phis): No longer look for
8596 nonzero PHI arguments.
8597 (cprop_into_successor_phis): No longer propagate nonzero
8598 property into PHI arguments. Lose unused argument. Caller
8600 (record_equivalences_from_stmt): No longer record nonzero
8601 values for SSA_NAMEs.
8602 (lookup_avail_expr): No longer use nonzero_vars.
8604 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8605 for sizetype when sizetype is unsigned.
8607 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8609 PR rtl-optimization/25603
8610 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8611 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8612 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8613 with new meaning of SETS.
8615 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8620 * config/linux.opt: New file.
8621 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8622 LINUX_DYNAMIC_LINKER): Define.
8623 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8624 * config.gcc (*-*-linux*): Define extra_options.
8625 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8626 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8627 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8628 GLIBC_DYNAMIC_LINKER.
8629 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8630 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8631 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8633 * doc/invoke.texi (GNU/Linux Options): New section.
8635 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8637 * config/sparc/sparc.md (setjmp): Rewrite.
8638 (setjmp_32): Delete.
8639 (setjmp_64): Likewise.
8641 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8643 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8646 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8648 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8651 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8653 PR rtl-optimization/26296
8654 * Makefile.in (loop-invariant.c): Add except.h dependency.
8655 * loop-invariant.c: Include except.h.
8656 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8658 2005-02-16 Paul Brook <paul@codesourcery.com>
8660 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8663 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8665 PR rtl-optimization/25636
8666 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8667 when deciding whether an insn is an initializing insn.
8669 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8671 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8672 (tree_code_size): Ditto.
8673 * tree.h (struct tree_memory_tag): Remove parent_var.
8674 (struct tree_struct_field_tag): New.
8677 (union tree_node): Add sft member.
8678 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8680 (create_sft): Add size and offset argument, set SFT_OFFSET and
8682 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8683 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8684 * tree-flow-inline.h (get_subvar_at): Update for
8685 SFT_OFFSET/SFT_SIZE.
8686 (var_can_have_subvars): Ditto.
8687 (overlap_subvar): Ditto.
8688 * print-tree.c (print_node): Print out interesting things for
8690 * tree-flow.h (struct subvar): Remove offset and size members.
8691 * tree-ssa-operands.c (get_expr_operands): Update for
8692 get_indirect_ref_operands changes.
8693 (get_indirect_ref_operands): Call add_virtual_operand instead of
8694 add_stmt_operand. Only recurse on base var if requested.
8695 (access_can_touch_variable): New function.
8696 (add_stmt_operand): Split virtual operand handling into ...
8697 (add_virtual_operand): Here. Add offset, size, and for_clobber
8698 arguments. Prune alias sets.
8699 (add_call_clobber_ops): Call add_virtual_operand.
8701 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8704 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8706 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8707 than TREE_CODE as index into omp_clause_num_ops array.
8709 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8711 PR rtl-optimization/26184
8712 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8714 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8715 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8716 must_precede, must_follow and tobe_scheduled.
8719 * opts.c (common_handle_option): Free new_option pointer.
8720 * df-core.c (df_analyze): Free postorder pointer.
8722 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8724 * Makefile.in: Fix the examples about the use of stamps
8726 2006-02-15 Michael Matz <matz@suse.de>
8730 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8731 influenced by maximum_field_alignment or DECL_PACKED.
8732 (update_alignment_for_field): Ditto.
8733 (place_field): Ditto.
8734 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8737 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8739 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8740 (debug_flow_info): Pass it.
8741 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8742 * bb-reorder.c (reorder_basic_blocks): Likewise.
8743 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8744 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8745 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8746 * gcse.c (gcse_main, bypass_jumps): Likewise.
8747 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8748 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8749 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8750 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8751 * rtl.h (dump_flow_info): Adjust prototype.
8752 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8753 * var-tracking.c (variable_tracking_main): Likewise.
8754 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8755 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8758 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8760 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8763 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8765 PR tree-optimization/26209
8766 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8767 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8769 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8771 2006-02-14 Roger Sayle <roger@eyesopen.com>
8774 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8775 (X,Y) and the corresponding symmetry related transformations.
8776 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8777 (X,Y) and its symmetry related transformations.
8779 2006-02-14 Roger Sayle <roger@eyesopen.com>
8781 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8784 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8786 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8788 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8791 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8792 support COMDAT group.
8793 * configure: Regenerate.
8795 2006-02-14 Roger Sayle <roger@eyesopen.com>
8800 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8802 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8804 Fix PR tree-optimization/26260
8806 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8808 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8809 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8810 * tree-ssa-structalias.c (create_variable_info_for): Use
8811 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8813 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8815 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8817 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8818 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8819 of the ending condition.
8820 * tree-ssa-loop-manip.c: Include params.h.
8821 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8822 tree_unroll_loop): New functions.
8823 * tree-pass.h (pass_loop_prefetch): Declare.
8824 * loop.c (rest_of_handle_loop_optimize): Test for
8825 -fprefetch-loop-arrays-rtl.
8826 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8827 * timevar.def (TV_TREE_PREFETCH): New timevar.
8828 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8829 pass_loop_prefetch): New.
8830 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8831 (cleanup_tree_cfg_loop): Call scev_reset.
8832 * common.opt (fprefetch-loop-arrays-rtl): Add.
8833 * tree-ssa-loop-prefetch.c: New file.
8834 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8835 (new_temp_expr_table): Initialize expr_vars.
8836 (free_temp_expr_table): Cleanup expr_vars.
8837 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8838 expressions from being merged into one.
8839 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8840 (struct tree_niter_desc): Add control, bound and cmp fields.
8841 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8843 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8844 (tree-cfgcleanup.o): Add SCEV_H dependency.
8845 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8846 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8848 2006-02-14 Richard Guenther <rguenther@suse.de>
8850 PR tree-optimization/26258
8851 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8852 in PHI argument processing.
8854 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8856 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8857 new expression in the requested machine mode.
8859 2006-02-13 Roger Sayle <roger@eyesopen.com>
8861 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8862 directly, instead let do_compare_rtx_and_jump handle this for us.
8863 * expr.c (expand_expr_real_1): Likewise.
8864 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8865 before do_jump_by_parts_greater.
8866 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8867 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8869 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8871 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8873 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8875 PR rtl-optimization/26235
8876 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8877 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8880 2006-02-13 Jeff Law <law@redhat.com>
8882 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8885 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8888 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8889 twice if decl is a builtin. When trying again, call get_callee_fndecl
8890 first to verify it is still a builtin.
8892 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8894 * dwarf2out.c (base_type_die): Don't add AT_name here.
8895 (subrange_type_die): Don't add AT_name here.
8896 (modified_type_die): Rearrange code flow. Do add AT_name here.
8898 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8900 PR rtl-optimization/26247
8901 PR rtl-optimization/26248
8902 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8904 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8906 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8907 * config/fixtfdi.c: Likewise.
8908 * config/fixunstfdi.c: Likewise.
8909 * config/floatditf.c: Likewise.
8911 2006-02-13 Roger Sayle <roger@eyesopen.com>
8914 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8915 into (X,C2) if C1 is a subset of the bits of C2. Transform
8916 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8918 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8920 2006-02-13 Josh Conner <jconner@apple.com>
8923 * varasm.c (function_section): Check for section name before
8924 calling select_section on targets that define
8925 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8926 unlikely_text_section instead of hot_function_section if
8927 first_function_block_is_cold.
8929 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8932 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8934 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8936 PR rtl-optimization/26222
8937 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8938 after tree->rtl expansion.
8939 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8940 before passing it to emit_move_insn.
8942 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8944 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8946 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8947 Clarify documentation.
8948 * c-common.h (warn_write_strings): Remove.
8949 * c-common.c (warn_write_strings): Likewise.
8950 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8953 2006-02-12 Roger Sayle <roger@eyesopen.com>
8956 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8957 (do_jump_parts_zero_rtx): New function renamed from
8958 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8959 (do_jump_parts_equality_rtx): New function split out from
8960 do_jump_parts_equality. Old implementation renamed as above.
8961 Call do_jump_parts_zero_rtx if either operand is zero.
8962 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8963 do all of the heavy lifting.
8964 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8965 calling either do_jump_by_parts_greater_rtx or
8966 do_jump_by_parts_equality_rtx.
8967 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8968 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8969 moved to do_compare_rtx_and_jump, call it directly.
8970 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8971 mode argument. Call do_compare_rtx_and_jump.
8972 (emit_case_nodes): Update calls to do_jump_if_equal.
8974 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8976 PR rtl-optimization/26225
8977 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8979 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8981 PR rtl-optimization/26232
8982 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8984 2006-02-11 Jason Merrill <jason@redhat.com>
8987 * tree-inline.c (declare_return_variable): Just don't use the
8988 modify target if it's a gimple complex reg and the return slot
8991 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8993 * doc/contrib.texi: Update my entry.
8995 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8997 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8999 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9001 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9004 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9006 * doc/invoke.texi (-floop-optimize2): Removed.
9007 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9008 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9009 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9010 * common.opt (floop-optimize2): Removed.
9011 (fmove-loop-invariants): Enabled by default.
9013 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9015 * tree-if-conv.c (combine_blocks): Free the result of
9016 get_loop_exit_edges.
9018 2006-02-10 Jeff Law <law@redhat.com>
9020 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9022 PR tree-optimization/26213
9023 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9024 loop trying to follow SSA_NAME_VALUE chains.
9026 2006-02-10 Richard Guenther <rguenther@suse.de>
9028 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9029 deal with structures that end in implicitly variable sized arrays.
9031 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9033 PR rtl-optimization/24762
9034 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9037 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9039 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9040 (struct ivopts_data): Add regs_used field.
9041 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9042 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9043 instead of loop_data->regs_used;
9044 (free_loop_data): Do not free aux fields for loops.
9045 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9046 and tree_ssa_iv_optimize_finalize.
9048 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9050 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9052 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9055 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9056 computing the effective result type.
9058 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9061 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9062 (tree_overlaps_hard_reg_set): Declare.
9063 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9064 type and signature to match function type expected by walk_tree.
9065 (tree_overlaps_hard_reg_set): New function.
9066 (decl_conflicts_with_clobbers_p): Rename to:
9067 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9068 Use tree_overlaps_hard_reg_set. Changed caller.
9069 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9070 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9071 * cris.c (cris_md_asm_clobbers): Likewise.
9073 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9075 * reload1.c (emit_input_reload_insns): Delete code that tries to
9076 inherit using find_equiv_reg.
9078 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9080 * c-common.h (flag_const_strings): Don't declare.
9081 * c-common.c (flag_const_strings): Remove.
9082 * c.opt (fconst_strings): Remove.
9083 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9084 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9085 (c_common_init_options): Don't set flag_const_strings.
9086 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9088 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9090 * arm.md (tlobits_cbranch): New pattern.
9091 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9092 testing a single bit.
9094 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9097 * tree-ssa-pre.c (create_component_ref_by_pieces):
9098 Handle RETURN_DECL like VAR_DECL.
9100 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9103 * fold-const.c (fold_indirect_ref_1): Fold
9104 "*(foo *)&complexfoo" to "__real__ complexfoo"
9105 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9107 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9109 * tree-flow-inline.h (var_can_have_subvars):
9110 Volatile variables should not have subvariables.
9112 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9115 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9116 multiplying unsigned values.
9119 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9121 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9123 2006-02-08 Jason Merrill <jason@redhat.com>
9126 * tree.def: Elaborate on difference from MODIFY_EXPR.
9127 * doc/c-tree.texi (INIT_EXPR): Likewise.
9128 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9129 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9130 (gimplify_target_expr): Likewise.
9131 (gimplify_cond_expr): Remove target handling.
9132 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9133 (gimplify_expr): Clobber it here.
9134 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9135 Do return slot optimization if we have an INIT_EXPR.
9138 * tree-inline.c (declare_return_variable): Also clear
9139 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9142 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9145 * gimplify.c (gimplify_one_sizepos): Fix typo.
9147 2006-02-08 Jeff Law <law@redhat.com>
9149 PR tree-optimization/21417
9150 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9151 across a backedge if the control statement at the end of the
9152 block is data dependent on other statements in the same block.
9153 (record_temporary_equivalences_from_stmts): Remove over-conservative
9154 test for threading across backedges.
9156 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9157 control statement, handle all three special cases in the same
9158 manner as they all have the same desired solution. No longer
9159 special case edge flag updating when the post dominator is
9162 2006-02-08 Roger Sayle <roger@eyesopen.com>
9164 * tree.def (CHAR_TYPE): Remove.
9165 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9166 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9167 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9168 (gen_string_type_die): Delete unreachable function.
9170 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9171 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9172 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9173 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9174 * builtins.c (type_to_class): Likewise.
9175 * fold-const.c (fold_convert, build_range_check,
9176 merge_ranges): Likewise.
9177 * expr.c (count_type_elements): Likewise.
9178 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9179 * stor-layout.c (layout_type): Likewise.
9180 * ipa-type-escape.c (type_to_consider): Likewise.
9181 * gimplify.c (omp_firstprivatize_type_sizes,
9182 gimplify_type_sizes): Likewise.
9183 * explow.c (promote_mode): Likewise.
9184 * tree-sra.c (is_sra_scalar_type): Likewise.
9185 * varasm.c (output_constant): Likewise.
9186 * tree-inline.c (remap_type_1): Likewise.
9187 * convert.c (convert_to_pointer, convert_to_real,
9188 convert_to_integer, convert_to_complex): Likewise.
9190 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9192 * df-scan.c (df_def_record_1): A set destination may
9193 be a parallel regardless of mode.
9195 2006-02-08 Roger Sayle <roger@eyesopen.com>
9198 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9199 * config/mips/_tilib.c: Remove.
9200 * config/fixtfdi.c: New libgcc source file.
9201 * config/fixunstfdi.c: New source file.
9202 * config/floatditf.c: New source file.
9203 * config/floatunditf.c: New souce file.
9204 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9205 files above instead of config/mips/_tilib.c.
9206 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9208 2006-02-08 Jeff Law <law@redhat.com>
9210 PR tree-optimization/26169
9211 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9214 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9216 * df.h (DF_REG_SIZE): Return the length of the initialized
9219 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9221 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9222 __muldf3): Return a correctly signed zero.
9224 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9226 * passes.c (register_one_dump_file): Accept the current properties
9227 instead of pass number. Adjust call to dump_register. Remove
9229 (register_dump_files): Now a wrapper around...
9230 (register_dump_files_1): ... this one. Do not modify the pass
9232 (next_pass_1): Cosmetic fix.
9233 (execute_todo): Keep second parameter only. Use curr_properties
9234 instead of fetching it from the pass structure. Check and set
9236 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9237 instead of fetching it from the pass structure. Fix calls to
9238 execute_todo. Update curr_properties and initialize .vcg RTL dump
9239 after running the pass. Reset last_verified.
9240 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9242 (FIRST_AUTO_NUMBERED_DUMP): New.
9243 (dump_register): Remove "num" parameter, assign it within the
9245 (get_dump_file_name): Modify template for dumps.
9246 * tree-dump.h (dump_register): Adjust prototype.
9247 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9248 (PROP_trees): Add PROP_gimple_lomp.
9249 (TODO_set_props): New.
9250 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9251 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9252 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9254 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9256 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9257 (sparc64-*-linux*): Likewise.
9258 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9259 * config/sparc/t-linux: New file.
9260 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9261 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9262 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9263 -m32 -mlong-double-128.
9265 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9266 * config/alpha/t-linux: New file.
9267 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9269 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9270 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9271 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9272 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9273 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9274 (CPP_ARCH32_SPEC): Remove.
9276 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9278 PR tree-optimization/26145
9279 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9282 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9285 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9286 >= 240000 when generating code for SOM runtime.
9287 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9288 to $$dyncall when generating code for SOM runtime..
9290 2006-02-07 Dirk Mueller <dmueller@suse.com>
9293 * doc/invoke.texi (-Wsequence-point): Update documentation
9294 that -Wsequence-point is implemented for C++ as well.
9296 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9298 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9299 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9300 (LIB_SPEC): Likewise.
9301 * doc/invoke.texi (SPARC options): Document -pthread.
9303 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9305 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9308 2006-02-07 Roger Sayle <roger@eyesopen.com>
9310 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9311 Correct comment describing BOOLEAN_TYPE.
9313 2006-02-07 Dirk Mueller <dmueller@suse.com>
9315 * c.opt: C++ frontend supports -Wdiv-by-zero.
9316 * c-opts.c (c_common_handle_option): Remove dead case.
9318 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9320 * configure.ac (TLS assembler check): Do not enable TLS by
9321 default on SPARC/Solaris before version 10.
9322 * configure: Regenerate.
9324 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9326 * doc/invoke.texi (xl-compat): Document conversion and support
9329 2006-02-07 Jeff Law <law@redhat.com>
9331 * tree-vrp.c (find_conditional_asserts): Update comments.
9332 (simplify_stmt_for_jump_threading): New.
9333 (identify_jump_threads, finalize_jump_threads): New.
9334 (vrp_finalize): Call identify_jump_threads.
9335 (execute_vrp): Call finalize_jump_threads.
9336 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9337 (vrp_element, vrp_data, vrp_element_p): Remove.
9338 (vrp_hash_elt, vrp_variables_stack): Remove.
9339 (vrp_hash, vrp_eq, record_range): Remove.
9340 (simplify_cond_and_lookup_avail_expr): Remove.
9341 (extract_range_from_cond): Remove.
9342 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9343 (simplify_stmt_for_jump_threading): New.
9344 (dom_thread_across_edge): New wrapper.
9345 (tree_ssa_dominator_optimize): No longer initialize or
9346 finalize any of the VRP datastructures. Remove iteration
9347 step and simplify as a result of removal of iteration step.
9348 (pass_dominator): Perform a cfg cleanup after DOM.
9349 (dom_opt_finalize_block): Use the new common routines
9350 for threading jumps. Simplify stack management slightly.
9351 No longer need to unwind VRP state.
9352 (record_equivalences_from_incoming_edge): No longer record
9354 (eliminate_redundant_computations): No longer call
9355 simplify_cond_and_lookup_avail_expr.
9356 * tree-flow.h (potentially_threadable_block): Prototype.
9357 (thread_across_edge): Likewise.
9358 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9359 (tree-ssa-threadedge.o): Add dependencies.
9360 * tree-ssa-threadedge.c: New file.
9361 * passes.c (init_optimization_passes): Merge PHIs before
9362 calling VRP. Run VRP again late in the SSA optimization pipeline.
9364 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9366 * df-core.c (df_set_blocks): Do not dereference function pointers.
9367 (df_finish1): Likewise.
9368 (df_hybrid_search_forward): Likewise.
9369 (df_hybrid_search_backward): Likewise.
9370 (df_iterative_dataflow): Likewise.
9371 (df_analyze_problem): Likewise.
9372 (df_compact_blocks): Likewise.
9373 (df_dump): Likewise.
9374 * df-scan.c (df_rescan_blocks): Likewise.
9375 (df_record_entry_block_defs): Likewise.
9377 * genconditions.c (write_conditions): Guard the definition of
9378 'insn_conditions' with the check on GCC version.
9379 (write_writer): Guard the traversal 'insn_conditions' with
9380 the check on GCC version.
9382 2006-02-07 Richard Guenther <rguenther@suse.de>
9386 2006-01-30 Richard Guenther <rguenther@suse.de>
9388 * gimplify.c (gimplify_target_expr): Handle easy cases
9389 without creating a temporary.
9391 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9393 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9394 use of float in probability computations. Use edge probabilities
9395 in place of statically computed probabilities.
9396 (min_spec_prob): New static variable.
9397 (schedule_insns): Initialize it.
9398 (GET_SRC_PROB): Removed.
9399 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9401 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9404 * config/ia64/unwind-ia64.c: Revert last change.
9405 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9406 (INCOMING_FRAME_SP_OFFSET): Define.
9408 2006-02-06 Roger Sayle <roger@eyesopen.com>
9410 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9412 2006-02-07 Ben Elliston <bje@au.ibm.com>
9414 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9415 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9416 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9417 (ix86_return_in_memory): Handle TDmode.
9418 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9419 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9421 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9423 * reorg.c (dbr_schedule): Use dump_file instead of file.
9425 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9428 * config/ia64/predicates.md (extr_len_operand): New predicate.
9429 * config/ia64/ia64.md (extv): Tighten constraints.
9431 (*tbit_and_2): Ditto.
9432 (*tbit_and_3): Ditto.
9433 (*tbit_or_2): Ditto.
9434 (*tbit_or_3): Ditto.
9438 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9441 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9443 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9445 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9446 loop_optimizer_init and loop_optimizer_finalize
9447 * tree-ssa-sink.c (execute_sink_code): Ditto.
9448 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9449 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9450 tree_ssa_loop_done): Ditto.
9451 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9452 * sched-ebb.c: Include output.h.
9453 (schedule_ebbs): Do not use dump argument.
9454 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9455 * loop.c (loop_dump_stream): Removed.
9456 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9458 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9459 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9460 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9461 loop_iterations, strength_reduce, record_biv, record_giv,
9462 final_giv_value, check_final_value, check_ext_dependent_givs,
9463 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9464 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9465 dump_file instead of loop_dump_stream.
9466 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9468 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9470 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9471 * haifa-sched.c: Include output.h
9472 (schedule_insns, sched_init): Do not use dump argument.
9473 * mode-switching.c (optimize_mode_switching): Ditto.
9474 * modulo-sched.c (stats_file): Removed.
9475 (print_node_sched_params): Do not call argument dump_file.
9476 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9477 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9479 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9481 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9482 rtl_loop_init, rtl_loop_done): Ditto.
9483 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9484 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9486 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9487 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9488 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9489 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9490 * emit-rtl.c (renumber_insns): Ditto.
9491 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9492 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9493 * regclass.c (regclass): Ditto.
9494 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9495 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9496 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9497 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9499 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9500 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9502 * gcse.c (gcse_file, debug_stderr): Removed.
9503 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9504 rest_of_handle_gcse): Do not use dump argument.
9505 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9506 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9507 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9508 compute_code_hoist_vbeinout, compute_code_hoist_data,
9509 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9510 compute_store_table, build_store_vectors, insert_insn_start_bb,
9511 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9512 store_motion): Use dump_file instead of gcse_file.
9513 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9514 * profile.c (profile_dump_file): Removed.
9515 (branch_prob): Use dump_file instead of profile_dump_file.
9516 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9518 * tree-ssa-copy.c (dump_copy_of): Ditto.
9519 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9520 dump file to life_analysis.
9521 * bt-load.c (branch_target_load_optimize): Ditto.
9522 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9524 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9525 regclass, dbr_schedule): Declaration changed.
9526 * sched-int.h (sched_init): Declaration changed.
9527 * tree-profile.c (tree_profile_dump_file): Removed.
9528 (tree_profile_hooks): Removed profile_dump_file hook.
9529 * rtl-profile (rtl_profile_dump_file): Removed.
9530 (rtl_profile_hooks): emoved profile_dump_file hook.
9531 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9533 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9534 * tree-cfg.c (build_tree_cfg): Ditto.
9535 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9536 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9537 Declaration changed.
9538 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9539 life_analysis and schedule_insns.
9540 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9542 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9544 * config/mips/mips.c (mips_reorg): Ditto.
9545 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9548 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9550 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9551 (s390_mangle_fundamental_type): New.
9552 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9555 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9556 (alpha_mangle_fundamental_type): New.
9557 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9560 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9562 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9564 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9565 (sparc_mangle_fundamental_type): New.
9567 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9569 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9570 (s390x-*-linux*): Likewise.
9571 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9572 * config/s390/t-linux: New file.
9574 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9576 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9577 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9579 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9581 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9582 (ANTIC_SAFE_LOADS): New macro.
9583 (find_or_generate_expression): Add prototype.
9584 (set_contains_value): Allow null set for sake of not always having
9585 to allocate ANTIC_SAFE_LOADS.
9586 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9587 Allow COMPONENT_REF too.
9588 (valid_in_set): Allow COMPONENT_REF.
9589 Check ANTIC_SAFE_LOADS too.
9590 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9591 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9593 (can_PRE_operation): Add COMPONENT_REF.
9594 (create_component_ref_by_pieces): New function.
9595 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9596 (insert_aux): Move AGGREGATE_TYPE_P check here.
9597 (compute_avail): Set bb local stmt uids.
9598 (pass_pre): Use TODO_update_ssa_only_virtuals.
9600 2006-02-06 Ben Elliston <bje@au.ibm.com>
9602 * configure.ac: Unconditionally disable decimal float by default.
9603 * configure: Regenerate.
9605 2006-02-06 Ben Elliston <bje@au.ibm.com>
9607 * read-rtl.c (read_name): Terminate reading on EOF.
9609 2006-02-06 Ben Elliston <bje@au.ibm.com>
9611 * dfp.c (decimal_real_arithmetic): Change second argument type
9612 from int to enum tree_code. Do not always return true, but now
9613 return result of any call to decimal_do helper functions.
9614 * dfp.h (decimal_real_arithmetic): Update prototype.
9616 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9618 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9620 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9623 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9626 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9628 * tree-vrp.c (cfg_loops): Removed.
9629 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9630 Use current_loops instead of cfg_loops. Pass flags to
9631 loop_optimizer_init.
9632 * cfgloopmanip.c (fix_loop_structure): Update only available
9634 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9635 loop_optimizer_init.
9636 * modulo-sched.c (build_loops_structure): Removed.
9637 (sms_schedule): Use loop_optimizer_init.
9638 * loop-init.c (loop_optimizer_init): Use flags to determine
9639 which properties of loops to prepare.
9640 (rtl_loop_init): Pass flags to loop_optimizer_init.
9641 * tree-ssa-sink.c (execute_sink_code): Ditto.
9642 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9643 * tree-ssa-pre.c (init_pre): Ditto.
9644 * cfgloop.h (LOOPS_NORMAL): New.
9645 (loop_optimizer_init): Declaration changed.
9647 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9649 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9650 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9652 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9654 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9656 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9657 * pa/t-pa64: Delete quadlib.c rule.
9658 * pa/x-ada: Revert last change.
9659 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9661 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9663 PR rtl-optimization/26087
9664 * rtlanal.c (canonicalize_condition): Do not cross basic block
9667 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9670 * config/ia64/ia64.c: Include debug.h.
9671 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9672 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9673 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9674 (process_epilogue, process_set, process_for_unwind_directive):
9675 Output unwind info only if requested. Add CFA info if requested.
9676 Add new arguments as needed. Adjust callers.
9677 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9679 (DWARF2_FRAME_INFO): Define to zero.
9680 * config/ia64/unwind-ia64.c: Remove code that compensated for
9681 the CFA offset error fixed above.
9682 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9683 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9684 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9685 -funwind-tables and -fexceptions to enable frame info.
9686 (dwarf2out_frame_init): Define initial CFA even if
9687 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9688 DWARF2_UNWIND_INFO is nonzero, not just defined.
9689 (dwarf2out_frame_finish): Output non-EH call frame info only
9690 if DWARF2_FRAME_INFO is nonzero.
9691 (convert_cfa_to_loc_list,
9692 compute_frame_pointer_to_cfa_displacement): Define even if
9693 unwind info is not supported.
9694 (gen_subprogram_die): Use the above unconditionally. Remove
9695 legacy alternate code.
9696 * toplev.c (compile_file): Compile in call to
9697 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9698 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9700 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9701 Jakub Jelinek <jakub@redhat.com>
9703 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9704 IBM extended float format long double as "g" on powerpc*-linux.
9706 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9709 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9710 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9712 2006-02-03 Jason Merrill <jason@redhat.com>
9715 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9718 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9719 on the return slot if it's an NRV.
9721 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9723 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9724 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9725 rewrite_use): Do not handle USE_OUTER.
9726 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9727 add_iv_outer_candidates, may_replace_final_value,
9728 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9729 (find_interesting_uses_op): Functionality of
9730 find_interesting_uses_outer_or_nonlin moved here.
9731 (find_interesting_uses_outside): Use find_interesting_uses_op.
9733 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9736 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9738 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9739 Ulrich Weigand <uweigand@de.ibm.com>
9742 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9743 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9744 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9745 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9747 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9748 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9749 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9750 Define secondary reloads for TFmode moves.
9751 (constant_modes): Add TFmode.
9752 (NR_C_MODES): Set to 8.
9753 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9755 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9756 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9757 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9758 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9759 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9760 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9761 (FPR mode macro): Add TFmode.
9762 (DSF mode macro): New.
9763 (<de>, <dee> mode attributes): Removed.
9764 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9765 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9766 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9767 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9768 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9769 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9770 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9771 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9772 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9773 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9774 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9775 "*negabs<mode>2", "sqrt<mode>2"):
9776 Changed <de> to <xde>. R constraint replaced by <Rf>.
9777 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9779 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9780 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9781 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9783 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9784 "extenddftf2", "extendsftf2"): New expanders.
9785 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9786 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9787 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9788 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9790 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9791 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9792 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9793 __floatditf): Add a GCC_4.1.0 symbol version tag.
9794 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9797 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9800 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9801 Use targetm.binds_local_p instead of TREE_PUBLIC.
9803 2006-02-02 Roger Sayle <roger@eyesopen.com>
9805 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9806 on INTEGER_TYPEs to indicate that it denotes a character type.
9807 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9808 signed_char_type_node, unsigned_char_type_node and char_type_node.
9809 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9810 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9811 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9813 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9814 Daniel Berlin <dberlin@dberlin.org>
9816 * tree-tailcall.c (arg_needs_copy_p): New function.
9817 (eliminate_tail_call): Use arg_needs_copy_p.
9818 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9819 (add_virtual_phis): New function.
9821 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9823 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9824 #ignore instead of #scratch for %g7 .register directive.
9826 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9828 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9831 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9833 * flow.c (calculate_global_regs_live): Assert that there aren't any
9836 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9838 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9840 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9841 bsi_after_labels iterator.
9842 * tree-if-conv.c (find_phi_replacement_condition,
9843 replace_phi_with_cond_modify_expr): Likewise.
9844 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9845 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9847 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9849 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9851 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9854 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9855 array after growing it.
9857 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9860 * fold-const.c (fold_checksum_tree): Change type of buf.
9862 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9864 * reload.c (push_secondary_reload): Initialize t_icode.
9866 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9868 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9869 -msoft-float -mlong-double-128 only issue a warning, but don't
9870 swich to DFmode long double.
9872 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9874 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9875 has a constant equivalent, iterate over equivalents for arg0,
9876 calling simplify_relational_operation and if there's a result
9877 cheaper than X, apply fold_rtx and return the result.
9879 2006-02-01 Jan Hubicka <jh@suse.cz>
9881 * opts.c (no_unit_at_a_time_default): New global variable.
9882 (decode_options): Use it.
9883 * opts.h (no_unit_at_a_time_default): Declare.
9885 2006-02-01 Paul Brook <paul@codesourcery.com>
9887 * function.c (assign_parm_setup_reg): Use function argument promotion
9889 * expr.c (expand_expr_real_1): Use function argument promotion rules
9892 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9894 * gcc.c (process_command): Change j to 'unsigned int'.
9896 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9899 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9900 Use the corrected index for the character
9901 out of the string constant.
9903 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9905 * mode-switching.c (optimize_mode_switching): Fix size
9906 allocated for bb_info[n_entities].
9908 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9910 * gcc.c (main): Correct type that is allocated for
9911 explicit_link_files.
9913 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9915 * config/s390/s390.c (init_alignment_context): Set
9916 ALIAS_SET_MEMORY_BARRIER on the MEM.
9917 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9919 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9922 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9924 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9927 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9929 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9930 * regrename.c: Ditto.
9931 * tree-ssa-loop-im.c: Ditto.
9932 * tree-dump.c: Ditto.
9933 * tree-complex.c: Ditto.
9934 * genrecog.c: Ditto.
9935 * tree-ssa-threadupdate.c: Ditto.
9937 * java/class.c: Ditto.
9938 * java/jcf-parse.c: Ditto.
9939 * java/resource.c: Ditto.
9940 * java/except.c: Ditto.
9941 * java/jvspec.c: Ditto.
9942 * java/jcf-write.c: Ditto.
9943 * java/jcf-path.c: Ditto.
9944 * java/gjavah.c: Ditto.
9945 * java/zextract.c: Ditto.
9946 * java/jcf-io.c: Ditto.
9947 * java/jcf.h: Ditto.
9948 * java/buffer.c: Ditto.
9949 * java/lang.c: Ditto.
9950 * java/parse-scan.y: Ditto.
9951 * java/lex.c: Ditto.
9952 * java/lex.h: Ditto.
9953 * cfgloopmanip.c: Ditto.
9954 * postreload-gcse.c: Ditto.
9955 * tree-ssa-loop-manip.c: Ditto.
9956 * postreload.c: Ditto.
9957 * tree-ssa-loop-ch.c: Ditto.
9961 * diagnostic.c: Ditto.
9963 * genoutput.c: Ditto.
9965 * cfghooks.c: Ditto.
9966 * cfgloopanal.c: Ditto.
9967 * objc/objc-act.c: Ditto.
9969 * genextract.c: Ditto.
9970 * genautomata.c: Ditto.
9971 * pretty-print.c: Ditto.
9973 * cgraphunit.c: Ditto.
9976 * haifa-sched.c: Ditto.
9977 * dominance.c: Ditto.
9979 * tree-ssa-loop-ivopts.c: Ditto.
9981 * mode-switching.c: Ditto.
9982 * modulo-sched.c: Ditto.
9984 * ipa-pure-const.c: Ditto.
9986 * fix-header.c: Ditto.
9988 * tree-stdarg.c: Ditto.
9989 * ipa-utils.c: Ditto.
9990 * loop-init.c: Ditto.
9991 * ipa-inline.c: Ditto.
9994 * alloc-pool.c: Ditto.
9995 * dwarf2out.c: Ditto.
9997 * genattrtab.c: Ditto.
9998 * tree-ssa-loop-ivcanon.c: Ditto.
10000 * timevar.c: Ditto.
10002 * fortran/gfortranspec.c: Ditto.
10003 * regmove.c: Ditto.
10004 * local-alloc.c: Ditto.
10005 * langhooks.c: Ditto.
10006 * function.c: Ditto.
10007 * tree-vectorizer.c: Ditto.
10009 * ipa-type-escape.c: Ditto.
10011 * tree-if-conv.c: Ditto.
10012 * profile.c: Ditto.
10014 * tree-data-ref.c: Ditto.
10015 * loop-unroll.c: Ditto.
10016 * treelang/treetree.c: Ditto.
10018 * bt-load.c: Ditto.
10019 * ggc-common.c: Ditto.
10021 * coverage.c: Ditto.
10023 * tree-cfgcleanup.c: Ditto.
10024 * tree-ssa-pre.c: Ditto.
10025 * cfgcleanup.c: Ditto.
10026 * loop-invariant.c: Ditto.
10027 * loop-iv.c: Ditto.
10028 * ipa-prop.c: Ditto.
10029 * print-tree.c: Ditto.
10030 * conflict.c: Ditto.
10031 * ggc-page.c: Ditto.
10032 * sched-deps.c: Ditto.
10033 * regclass.c: Ditto.
10034 * tree-object-size.c: Ditto.
10035 * combine.c: Ditto.
10036 * bb-reorder.c: Ditto.
10037 * resource.c: Ditto.
10038 * var-tracking.c: Ditto.
10039 * cfgloop.c: Ditto.
10040 * df-problems.c: Ditto.
10041 * reg-stack.c: Ditto.
10043 * gccspec.c: Ditto.
10044 * sched-rgn.c: Ditto.
10045 * tree-ssa-structalias.c: Ditto.
10046 * tree-ssa-reassoc.c: Ditto.
10047 * config/darwin-c.c: Ditto.
10048 * config/darwin.c: Ditto.
10049 * config/arm/arm.c: Ditto.
10051 * collect2.c: Ditto.
10052 * reload1.c: Ditto.
10054 2006-01-31 Nicolas Pitre <nico@cam.org>
10056 * arm.md (smaxsi3): Make aware of smax_m1.
10059 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10061 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10063 2006-01-31 Richard Guenther <rguenther@suse.de>
10065 * doc/invoke.texi (-msselibm): Document.
10066 * target.h (expand_library_builtin): New target hook.
10067 * builtins.c (expand_builtin): Use expand_library_builtin.
10068 (default_expand_library_builtin): New function.
10069 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10070 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10071 (link_gcc_math_spec): Declare.
10072 (static_specs): Add link_gcc_math_spec.
10073 * expr.h (default_expand_library_builtin): Declare.
10074 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10075 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10076 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10077 * config/i386/i386.opt (msselibm): New target option.
10078 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10079 (ix86_init_sse_abi_builtins): New function.
10080 (ix86_expand_library_builtin): Likewise.
10081 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10082 (override_options): Handle error conditions wrt -msselibm.
10083 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10084 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10085 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10088 2006-01-31 Richard Guenther <rguenther@suse.de>
10089 Paolo Bonzini <bonzini@gnu.org>
10091 * doc/install.texi (--disable-libgcc-math): Document.
10093 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10095 * expr.h (expand_normal): new inline function.
10096 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10097 * dojump.c: use it.
10098 * dwarf2out.c: use it.
10101 * expmed.c: use it.
10102 * except.c: use it.
10103 * config/sparc/sparc.c: use it.
10104 * config/i386/i386.c: use it.
10105 * config/rs6000/rs6000.c: use it.
10106 * config/arm/arm.c: use it.
10107 * config/mips/mips.c: use it.
10108 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10110 2006-01-30 Roger Sayle <roger@eyesopen.com>
10112 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10113 argv to the appropriate type.
10115 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10117 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10120 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10123 * config/s390/s390.c (struct machine_function): New flag
10124 decomposed_literal_pool_addresses_ok_p.
10125 (s390_reorg): Set it before final stage of literal pool transforms.
10126 (s390_decompose_address): Only accept displacements of the form
10127 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10129 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10131 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10132 the comparison routine return.
10134 2006-01-30 Michael Matz <matz@suse.de>
10136 * global.c (find_reg): Only evict for global regs.
10137 Take n_refs into account and dump more info.
10139 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10142 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10143 (pragma_trap, pragma_nosave_low_regs): Likewise.
10144 (current_function_anonymous_args): Likewise.
10145 (sh_deferred_function_attributes): New variable.
10146 (sh_deferred_function_attributes_tail): Likewise.
10147 (print_operand): For '@', look up trap_exit attribute.
10148 (calc_live_regs): Look up trapa_handler attribute. For trapa
10149 handlers, save/restore fpscr, but don't do any other
10150 interrupt-specific saves.
10151 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10152 Fix check for partially saved registers to check for SHmedia.
10153 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10154 (sh_output_function_epilogue): Don't clear any of the removed
10156 (sh_insert_attributes): Don't check pragma_interrupt.
10157 Insert deferred attributes. Check that interrupt attribute is
10158 present for other attributes that require its presence.
10159 (sh_attribute_table): Add new attributes trapa_handler and
10161 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10162 Don't check for pragma_interrupt. Don't store argument.
10163 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10164 (sh_deferred_function_attributes): Declare.
10165 (sh_deferred_function_attributes_tail): Likewise.
10166 * sh.md (sp_switch_1): Add operand. Change generator caller.
10167 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10168 (*return_i): Don't use when trap_exit attribute is in effect.
10169 (*return_trapa): New insn pattern.
10170 * sh-c.c: New file.
10171 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10172 setting c_target_objs and cxx_target_objs.
10173 * t-sh: Add rule for sh-c.o.
10175 2006-01-30 Richard Guenther <rguenther@suse.de>
10178 * gimplify.c (gimplify_target_expr): Handle easy cases
10179 without creating a temporary.
10181 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10183 * vec.h (safe_grow): Remove duplicated line.
10185 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10188 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10189 (expand_omp): ... here.
10190 (expand_omp_parallel): Only remove barriers for combined
10191 parallel+workshare constructs.
10193 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10197 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10198 * tree.c (build_qualified_type): Chain the new type to the original
10199 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10200 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10201 (build_pointer_type_for_mode): Only return unqualified types.
10202 (build_reference_type_for_mode): Likewise.
10204 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10206 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10207 * Makefile.in (CXX_COMPAT_WARN): Define.
10208 * configure: Regenerate.
10210 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10213 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10216 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10218 * toplev.c: Fix thinko.
10220 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10221 Marcin Dalecki <martin@dalecki.de>
10223 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10224 (push_srcloc): Use XNEW.
10225 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10227 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10229 * df-core.c (df_set_blocks): Deleted all variable.
10231 2006-01-28 Ian Lance Taylor <ian@airs.com>
10233 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10234 cgraph_output_pending_asms.
10236 2006-01-28 Zack Weinberg <zackw@panix.com>
10238 * c.opt: Add -W(no-)overlength-strings.
10239 * doc/invoke.texi: Document it.
10240 * c-opts.c (c_common_handle_option): -pedantic implies
10241 -Woverlength-strings, if not explicitly disabled already.
10242 (c_common_post_options): -Woverlength-strings defaults to off, and
10243 is always off for C++.
10244 * c-common.c (fix_string_type): Issue warning about strings longer
10245 than is portable only if warn_overlength_strings. Rearrange code
10246 a little for clarity.
10247 * configure.in: Check for -Wno-overlength-strings as well before
10248 enabling -pedantic in stage 1.
10249 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10250 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10252 * genconditions.c (write_header, write_one_condition)
10253 (write_conditions, write_writer): Consolidate very long strings
10254 that were broken up to fit in C89 portable limit. Don't use
10255 printf when fputs will do.
10257 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10259 * combine.c (simplify_comparison <AND>): Check
10260 TRULY_NOOP_TRUNCATION before start using a subreg.
10262 * config/mips/mips.md (*branch_zero<mode>,
10263 *branch_zero<mode>_inverted, *branch_equality<mode>,
10264 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10265 Remove mode check from comparisons.
10267 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10269 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10271 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10273 * expmed.c (const_mult_add_overflow_p): Remove.
10274 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10276 * recog.c (validate_replace_rtx_subexp): Remove.
10277 * recog.h: Remove the prototype for
10278 validate_replace_rtx_subexp.
10280 * integrate.h: Remove the prototype for
10281 copy_decl_for_inlining.
10282 * rtl.h: Remove the prototype for mark_constant_function.
10283 * tree-vectorizer.h: Remove the prototype for
10284 vect_strip_conversion.
10286 * modulo-sched.c (create_partial_schedule,
10287 free_partial_schedule, reset_partial_schedule): Make them
10290 * hooks.c (hook_bool_rtx_int_false): Remove.
10291 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10293 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10295 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10296 and -mlong-double-128 are incompatible.
10297 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10298 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10299 (TARGET_LIBGCC2_CFLAGS): Define.
10300 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10301 (TARGET_LIBGCC2_CFLAGS): Same.
10302 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10304 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10307 * c-typeck.c (build_binary_op): Perform implicit casts of
10308 operands before shortening them.
10310 * cfgloopmanip.c (split_loop_bb): Remove.
10311 * cfgloop.h: Remove the prototype for split_loop_bb.
10313 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10314 * cfgloop.h: Remove the prototype for
10315 flow_loop_outside_edge_p.
10317 * emit-rtl.c (init_virtual_regs): Make it static.
10318 * function.h: Remove the prototype for init_virtual_regs.
10320 * recog.c (peephole2_optimize): Make it static.
10321 * recog.h: Remove the prototype for peephole2_optimize.
10323 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10325 * df-scan.c (df_record_entry_block_defs): Check if
10326 INCOMING_RETURN_ADDR_RTX is defined.
10328 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10329 Kenneth Zadeck <zadeck@naturalbridge.com>
10331 PR rtl-optimization/24762
10332 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10333 * targhooks.c (hook_void_bitmap): New hook prototype.
10334 * targhoohs.h (hook_void_bitmap): Ditto.
10335 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10336 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10337 * target.h (live_on_entry): New function pointer.
10338 * df-scan.c (df_all_hard_regs): Removed.
10339 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10340 (df_scan_free_internal): Added df->entry_block_defs.
10341 (df_scan_alloc): Ditto.
10342 (df_scan_dump): Ditto.
10343 (df_uses_record): Plumbed flag field properly thru calls.
10344 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10345 This part fixes PR24762.
10346 (df_bb_refs_record): Added code to make the frame and arg
10347 pointers live in EH blocks.
10348 (df_refs_record): Added call to df_record_entry_block_defs.
10349 (df_record_entry_block_defs): New function.
10350 * df-core.c: Added comments to describe new artifical defs.
10351 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10352 (entry_block_defs): New field in struct df.
10353 (df_all_hard_regs): Deleted.
10354 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10355 * df-problems.c (df_ru_bb_local_compute_process_def):
10356 Added code to handle artifical defs in the entry to a function.
10357 (df_ru_bb_local_compute): Ditto.
10358 (df_rd_bb_local_compute_process_def): Ditto.
10359 (df_rd_bb_local_compute): Ditto.
10360 (df_lr_bb_local_compute): Ditto.
10361 (df_ur_bb_local_compute): Ditto.
10362 (df_urec_bb_local_compute): Ditto.
10363 (df_chain_create_bb): Ditto.
10364 (df_ur_local_finalize): Removed entry.
10365 (df_urec_init): Ditto.
10366 (df_urec_local_finalize): Ditto.
10367 (df_ri_bb_compute): Added detection of last use of pseudos.
10368 * Makefile.in (df-scan.o): Updated dependencies.
10369 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10370 * config/mips/mips.c (mips_set_live_on_entry): Added.
10371 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10373 * dce.c (marked_insn_p): Added code to handle artifical defs.
10375 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10377 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10379 (_mm_cvtsi128_si64): Likewise.
10380 (_mm_cvtsd_si64): Likewise.
10381 (_mm_cvttsd_si64): Likewise.
10382 (_mm_cvtsi64_sd): Likewise.
10383 (_mm_cvtsi64_si128): Likewise.
10384 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10385 (_mm_cvtsi64_m64): Likewise.
10386 (_m_to_int64): Likewise.
10387 (_mm_cvtm64_si64): Likewise.
10388 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10389 (_mm_cvttss_si64): Likewise.
10390 (_mm_cvtsi64_ss): Likewise.
10391 (_mm_cvtss_f32): Likewise.
10393 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10395 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10396 for pragma redefine_extname.
10398 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10401 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10402 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10403 -mno-minimal-toc to previous content.
10404 (bispecs): Remove goal.
10405 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10406 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10407 compatibility aliases on powerpc-*-*gnu*.
10408 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10409 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10410 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10411 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10412 (ldblspecs): New goal.
10413 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10414 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10416 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10417 L_sf_to_tf or L_df_to_tf is defined.
10419 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10420 Alan Modra <amodra@bigpond.net.au>
10423 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10424 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10425 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10426 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10427 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10428 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10429 (rs6000_override_options): Initialize rs6000_ieeequad.
10430 Initialize TFmode format to ibm_extended_format if not
10432 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10434 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10435 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10436 (function_arg_advance): IBM long double passed in two FPRs, not
10438 (function_arg): IBM long double passed in FPRs.
10439 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10440 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10441 Only multireg GPR aligned.
10442 (rs6000_init_libfuncs): Enable IBM long double functions if not
10444 (rs6000_generate_compare): Use IBM long double compare if not
10446 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10447 (TARGET_IEEEQUAD): Define.
10448 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10449 not TARGET_IEEEQUAD.
10450 * config/rs6000/rs6000.md: Enable TFmode patterns if
10452 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10453 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10454 and -mlong-double-128 are incompatible.
10455 * doc/invoke.texi (-mabi): Collect options together. Add
10456 ibmlongdouble and ieeelongdouble.
10458 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10460 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10462 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10463 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10464 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10465 * rtl.h (rtunion_def): Remove rt_ptr.
10467 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10468 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10469 * config/i386/winnt.c (i386_pe_mark_dllexport)
10470 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10472 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10474 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10476 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10480 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10481 pthread_key_delete. From John David Anglin. gthrw-ify
10482 pthread_getunique_np only if it it's not a macro. Delete
10484 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10485 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10486 __gthread_objc_condition_signal, __gthread_key_delete): Add
10487 "__attribute__ ((__unused__))" to unused arguments.
10488 (__gthread_recursive_mutex_init_function): Add missing return.
10489 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10490 gthr-posix95.h: Use macro-based approach for name redirection
10491 on targets missing weakref.
10493 2006-01-26 Zack Weinberg <zackw@panix.com>
10495 * genconditions.c (write_header): In generated code, #ifdef out
10496 all includes and fake declarations, except includes of bconfig.h
10497 and system.h, unless GCC_VERSION >= 3001. Do not include
10498 gensupport.h in any case.
10499 (write_conditions): Generate a definition of struct c_test. Add
10500 a comment to the generated #endif.
10501 (write_one_condition): Escape backslashes in string too.
10502 (write_writer): Generated code must escape backslashes and quote
10503 marks (but not newlines) in the strings it writes.
10504 * Makefile.in (build/gencondmd.o): Update dependencies.
10506 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10509 * Makefile.in (insn-automata.o): Add header file dependencies.
10510 * genautomata.c: Add includes.
10512 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10515 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10517 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10519 * configure.ac: Expect target tools paths to be passed from the toplevel
10520 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10522 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10524 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10527 * c.opt (Wpointer-sign): Init to -1.
10528 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10529 OPT_pedantic, to 0 otherwise.
10530 * doc/invoke.texi: Update.
10532 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10534 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10535 constants provided by 80387 instructions in the destination mode.
10537 2006-01-26 Richard Guenther <rguenther@suse.de>
10538 Andrew Pinski <pinskia@physics.uc.edu>
10541 partial PR tree-opt/17064
10542 * tree-ssa-structalias.c (intra_create_variable_infos):
10543 Create heap variables for incoming parameters if
10544 flag_argument_noalias > 1.
10545 (find_what_p_points_to): Look through default defs of
10548 2006-01-26 Jeff Law <law@redhat.com>
10551 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10552 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10553 within the VR_RANGE, use the VR_RANGE as the result, not the
10555 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10556 bounds for the type.
10558 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10560 * tree-ssa-alias.c (maybe_create_global_var): Change
10561 subvar walking to an assertion that we don't have subvar'd variables.
10563 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10566 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10567 Use a new variable, inner. PARM_DECLs are always non-weak.
10569 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10571 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10572 --disable-checking.
10574 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10576 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10578 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10580 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10581 (smax_insn, smin_insn, smax_0, smin_0): New.
10583 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10586 * config/cris/cris.c (cris_order_for_addsi3): New function.
10587 * config/cris/cris-protos.h: Prototype it.
10588 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10589 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10590 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10591 (split for "op.S1 [rx=rx+i],ry (swapped)")
10592 (split for "op(s|u).S1 [rx=rx+i],ry")
10593 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10594 Apply cris_order_for_addsi3 when generating addsi3 insns.
10596 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10598 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10599 (TREE_BLOCK): Add call to EXPR_CHECK.
10601 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10604 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10605 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10606 (dump_omp_clauses): ... here.
10607 (dump_generic_node): Handle OMP_CLAUSE.
10608 * tree.c (omp_clause_num_ops): New.
10609 (omp_clause_code_name): New.
10610 (tree_code_size): Handle OMP_CLAUSE.
10611 (tree_size): Likewise.
10612 (make_node): Document handling of OMP_CLAUSE.
10613 (tree_node_structure): Handle OMP_CLAUSE.
10614 (omp_clause_check_failed): New.
10615 (omp_clause_range_check_failed): New.
10616 (omp_clause_operand_check_failed): New.
10617 (build_omp_clause): New.
10618 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10619 * tree.h (enum omp_clause_code): Declare.
10620 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10621 (OMP_CLAUSE_RANGE_CHECK): Define.
10622 (OMP_CLAUSE_ELT_CHECK): Define.
10623 (omp_clause_check_failed): Declare.
10624 (omp_clause_operand_check_failed): Declare.
10625 (omp_clause_range_check_failed): Declare.
10626 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10627 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10628 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10629 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10630 (OMP_CLAUSE_IF_EXPR): Likewise.
10631 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10632 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10633 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10634 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10635 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10636 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10637 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10638 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10639 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10640 (OMP_CLAUSE_CODE): Define.
10641 (OMP_CLAUSE_SET_CODE): Define.
10642 (OMP_CLAUSE_CODE): Define.
10643 (OMP_CLAUSE_OPERAND): Define.
10644 (struct tree_omp_clause): Declare.
10645 (union tree_node): Add field 'omp_clause'.
10646 * treestruct.def (TS_OMP_CLAUSE): Define.
10647 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10648 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10649 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10650 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10651 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10652 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10653 (OMP_CLAUSE): Define.
10654 * print-tree.c (print_node): Handle OMP_CLAUSE.
10655 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10656 * c-typeck.c: Likewise.
10657 * gimplify.c: Likewise.
10658 * c-omp.c: Likewise.
10659 * tree-nested.c: Likewise.
10660 * tree-inline.c: Likewise.
10661 * c-parser.c: Likewise.
10662 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10665 2006-01-25 Roger Sayle <roger@eyesopen.com>
10667 PR rtl-optimization/25703
10668 * combine.c (try_combine): Handle zero_extract and strict_low_part
10669 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10671 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10673 * global.c: Fix comment typos.
10675 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10678 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10679 Use output_addr_const instead of assemble_name.
10681 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10683 * Makefile.in (sched-vis.o): Update dependencies.
10684 * haifa-sched.c (sched_finish): Clear current_sched_info.
10685 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10686 (dump_flow_info): Call it.
10687 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10689 * basic-block.h (dump_bb_info): Declare.
10690 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10691 option, and apply options only for dump files whose TDF_RTL,
10692 TDF_TREE, or TDF_IPA bits match.
10693 * rtl.h: Declare new functions exported from sched-vis.c.
10694 * sched-vis.c: Enable also if scheduling is not used.
10695 (print_value): Print the mode of registers if not inside scheduling.
10696 (print_insn): Make it work outside the scheduler. Beautify the output
10698 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10700 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10702 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10703 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10704 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10705 depending on the value of CONSTANT_POOL_ADDRESS_P.
10706 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10708 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10709 rather than SYMBOL_REF_DECL.
10710 (rtx_constant_pool): Remove const_rtx_sym_htab.
10711 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10712 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10713 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10714 Remove handling of const_rtx_sym_htab.
10715 (find_pool_constant): Delete.
10716 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10717 rather than find_pool_constant.
10718 (get_pool_constant_for_function): Delete.
10719 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10720 find_pool_constant.
10721 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10722 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10723 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10724 (SYMBOL_REF_CONSTANT): New macro.
10725 (get_pool_constant_for_function): Delete.
10726 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10727 rather than SYMBOL_REF_DECL.
10728 (i386_pe_mark_dllimport): Likewise.
10729 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10730 rather than SYMBOL_REF_DECL.
10731 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10732 (machopic_indirect_call_target): Likewise.
10734 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10736 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10738 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10740 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10742 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10744 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10746 2006-01-24 David Daney <ddaney@avtrex.com>
10749 * configure.ac (enable_tls): New enable option.
10750 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10751 * configure: Regenerate.
10752 * doc/install.texi (--enable-tls): Document new option.
10753 (--disable-tls): Ditto.
10755 2006-01-24 Richard Henderson <rth@redehat.com>
10757 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10758 * alias.c (true_dependence): Respect it.
10759 (canon_true_dependence, write_dependence_p): Likewise.
10760 * builtins.c (get_builtin_sync_mem): Set it.
10762 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10764 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10767 2006-01-24 DJ Delorie <dj@redhat.com>
10769 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10770 for storing constants in single-bit bitfields.
10772 2006-01-25 Ben Elliston <bje@au.ibm.com>
10774 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10776 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10779 * tree-ssa-pre.c (phi_translate): Return NULL
10780 for AGGREGATE_TYPE's.
10782 2006-01-24 Zack Weinberg <zackw@panix.com>
10784 * genautomata.c (process_state_for_insn_equiv_partition):
10785 Use xcalloc for insn_arcs_array.
10786 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10787 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10789 2006-01-24 Richard Henderson <rth@redhat.com>
10791 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10792 update all callers.
10794 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10796 PR rtl-optimization/25890
10797 PR rtl-optimization/25905
10798 * combine.c (expand_compound_operation, expand_field_assignment):
10799 Fail if the bitfield's final position is out of bounds.
10801 2006-01-24 Ian Lance Taylor <ian@airs.com>
10803 PR middle-end/25930
10804 * cgraphunit.c (cgraph_output_in_order): Don't clear
10805 cgraph_asm_nodes until after asm strings have been output.
10807 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10809 * fix-header.c (read_scan_file): Add new parameter imultilib when
10810 calling register_include_chains.
10812 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10814 * omp-low.c: Update documentation.
10816 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10817 Daniel Berlin <dberlin@dberlin.org>
10821 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10822 return from the function.
10824 2006-01-22 Zack Weinberg <zackw@panix.com>
10826 * rtl.def (match_code): Add second argument.
10827 * genpreds.c (write_extract_subexp): New function.
10828 (write_match_code): Add path argument. Use write_extract_subexp.
10829 (write_predicate_expr): Pass path to write_match_code.
10830 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10831 not perform a mode test.
10832 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10833 a subexpression does not constrain the top-level code set.
10834 * read-rtl.c (read_rtx_variadic): New function.
10835 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10836 * doc/md.texi: Document new notation.
10837 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10838 (cmpsi_operand): ... here, using new notation.
10840 2006-01-22 Zack Weinberg <zackw@panix.com>
10842 * varray.c: Remove GENERATOR_FILE #ifdefs.
10844 2006-01-22 Zack Weinberg <zackw@panix.com>
10846 * genautomata.c (output_reserved_units_table): Emit nothing if
10847 description->query_units_num is zero. Remove extra blank line.
10848 (output_cpu_unit_reservation_p): Short circuit
10849 if description->query_units_num is zero.
10851 2006-01-22 Zack Weinberg <zackw@panix.com>
10853 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10854 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10855 nor any of the random handful of variables that used to be necessary
10856 when this program was linked with rtlanal.o. Prune set of forward
10857 function declarations.
10858 (struct attr_desc): Remove static_p field.
10859 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10860 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10861 (attr_string): Do not read the character one past the length of
10863 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10864 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10865 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10866 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10867 (make_automaton_attrs): New.
10868 (main): Do not call into genautomata. Call local gen_bypass
10869 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10870 Remove special case for insn_alts.
10871 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10872 varray.h (leftover from previous change). Prune set of forward
10873 function declarations. Remove state_alts fields from all
10874 structures. Remove state_alts_table from struct automaton.
10875 Make everything except main static. Do not maintain num_dfa_decls.
10876 Do not maintain state_alts fields of various structures.
10877 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10878 (add_arc): Remove state_alts argument. All callers updated.
10879 (output_reserved_units_table): Emit #ifdef here...
10880 (output_tables): ...not here. Don't generate state_alts tables.
10881 (expand_automata): Don't generate attributes.
10882 (write_automata): Don't generate state_alts functions.
10883 (main): New function.
10884 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10885 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10886 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10887 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10888 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10889 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10890 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10891 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10893 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10894 * genattrtab.h: Delete file.
10895 * Makefile.in (OBJS-common): Add insn-automata.o.
10896 (insn-automata.o): New rule.
10897 (simple_generated_c): Add insn-automata.c.
10898 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10899 (genprogmd): Add automata.
10900 (build/genattrtab): Needs no extra objects nor libraries.
10901 (build/genautomata): Needs build/vec.o and -lm.
10903 2006-01-22 Zack Weinberg <zackw@panix.com>
10905 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10906 (output_dfa_max_issue_rate, locked_states_num): Delete.
10907 (struct automaton): Add locked_states field.
10908 (output_dead_lock_vect): Save number of locked states in
10909 automaton->locked_states. If it is zero, don't print anything.
10910 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10911 (output_internal_dead_lock_func): Only test the dead_lock_vect
10912 for automata that have locked states.
10913 (output_statistics): Always print the number of locked states for
10914 each automaton. Calculate total number of locked states here.
10915 (write_automata): Don't call output_dfa_max_issue_rate.
10916 * genattrtab.c: Define length_unit_log as a const variable.
10917 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10918 max_insn_queue_index const.
10919 * final.c (length_unit_log): Declare const.
10920 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10922 2006-01-22 Zack Weinberg <zackw@panix.com>
10924 * genautomata.c: Include vec.h, not varray.h.
10925 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10926 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10927 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10928 VEC_* macros operating on appropriately typed vectors, or to
10929 malloced arrays when the size is known in advance. Const-ify
10930 many char* variables and function arguments. No functional changes.
10931 * Makefile.in (build/varray.o): Delete rule.
10932 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10933 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10935 2006-01-22 Zack Weinberg <zackw@panix.com>
10937 * gensupport.c: Define get_insn_name and record_insn_name here.
10938 (read_md_rtx): Call record_insn_name as appropriate.
10939 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10940 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10941 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10943 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10944 (BUILD_VARRAY): Delete.
10945 (genprognormal): Rename genprogmd. Fold in all programs from
10946 genprognoprint; also attrtab.
10947 (build/genattrtab): Just mention genautomata.o and varray.o.
10948 Reorganize a bit, add comments to make the categories clearer.
10950 2006-01-22 Zack Weinberg <zackw@panix.com>
10952 * genconditions.c (condition_table, add_condition): Delete.
10953 (write_conditions): Don't emit n_insn_conditions nor
10954 insn_elision_unavailable. Issue the gcc version #ifdef here,
10955 inside the table, with no #else clause ...
10956 (write_header): ...not here.
10957 (write_writer): New function.
10958 (main): Don't initialize condition_table. Use add_c_test.
10960 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10961 files on the command line.
10962 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10963 Return -1 if there is no entry in the table, don't abort.
10964 (add_c_test, traverse_c_tests): New functions.
10965 * gensupport.h (insn_elision_unavailable, insn_conditions)
10966 (n_insn_conditions): Delete declarations.
10967 (add_c_test, traverse_c_tests): Declare.
10968 * read-rtl.c: Include gensupport.h.
10969 (read_conditions): New function.
10970 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10971 (read_rtx_1): If we get EOF when we were looking for an initial
10972 open paren, return 0. Call read_conditions when appropriate.
10973 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10974 dummy-conditions.o. Eliminate references to insn-conditions.o,
10975 or change them to build/gencondmd.o, as appropriate. Remove
10976 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10977 from $(simple_generated_c). For all files remaining in those
10978 two lists, add insn-conditions.md to the generator command line.
10979 Give insn-constants.h/s-constants their own rules. Add rules
10980 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10981 (build/read-rtl.o): Depend on gensupport.h.
10982 (genprognormal): Include preds.
10983 (genprogearly): Rename genprognoprint; only difference is now that
10984 they don't link with $(BUILD_PRINT).
10985 * dummy-conditions.c: Delete.
10987 2006-01-22 Zack Weinberg <zackw@panix.com>
10989 * genextract.c: Don't include insn-config.h. Do include vec.h.
10990 Declare vectors of int, char, and locstr.
10991 (locstr): New typedef.
10992 (struct extraction): Make all array fields into bare pointers.
10993 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10994 (insn_code_number): Delete.
10995 (accum_extract): New struct.
10996 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10997 (gen_insn): Take insn_code_number as an argument. Use an
10998 accum_extract structure instead of loading data directly into
10999 a struct extraction, and having to know how big it might get.
11000 (walk_rtx): Operate entirely on an accum_extract structure.
11001 (print_path): Avoid unnecessary use of printf.
11002 (print_header): New function, split out of main. Distinguish
11003 more carefully between an unrecognizable insn and an insn that
11004 has the code number of a define_expand.
11005 (main): Pass insn_code_number to gen_insn. Call print_header
11006 only after parsing. Avoid unnecessary use of printf.
11007 * Makefile.in (build/vec.o): New rule.
11008 (build/genextract): Depend on build/vec.o.
11009 (build/genextract.o): Don't depend on insn-config.h.
11011 2006-01-22 Zack Weinberg <zackw@panix.com>
11013 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11014 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11015 practical. Eliminate per-generator-program link rules.
11017 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11019 PR middle-end/24437
11020 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11021 with a call expr to ...
11022 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11024 2006-01-23 Richard Guenther <rguenther@suse.de>
11026 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11027 before make_edge with conditional EDGE_TRUE_VALUE.
11029 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11030 Jan Hubicka <jh@suse.cz>
11031 Richard Guenther <rguenther@suse.de>
11033 PR rtl-optimization/25654
11034 * cfgexpand.c (aggregate_contains_union_type): New function.
11035 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11036 for structure variables that contain a union type.
11038 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11040 * gengtype.c (new_structure): Return the structure.
11041 (create_option): Add an extra "next" argument.
11042 (create_field): New function.
11043 (adjust_field_rtx_def): Use create_option and create_field.
11044 Remove a now-unnecessary call to find_structure.
11045 (adjust_field_tree_def): Likewise.
11046 (note_yacc_type): Remove an unnecessary call to find_structure.
11047 * gengtype.h (new_structure): Return the structure.
11048 (create_option): Add an extra argument.
11049 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11050 (option): Adjust calls to create_option.
11052 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11054 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11056 2006-01-22 Paul Brook <paul@codesourcery.com>
11057 Peter Barada <peter@the-baradas.com>
11059 * config/m68k/m68k.md: Add Coldfire FPU support.
11060 Define FP mode macro and associated attributes.
11061 Use it for float mode patterns.
11062 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11063 (LIBCALL_VALUE): Use m68k_libcall_value.
11064 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11065 (m68k_function_value): Ditto.
11066 (emit_move_sequence): Ditto.
11067 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11068 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11069 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11070 (MULTILIB_EXCEPTIONS): Ditto.
11071 * config/m68k/m68k.opt: Add mcfv4e.
11072 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11073 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11074 (m68k_output_function_prologue): Save ColdFire FPU registers.
11075 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11076 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11077 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11078 ColdFire FPU registers.
11079 (m68k_libcall_value, m68k_function_value): New functions.
11080 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11081 (LIBCALL_VALUE): Use m68k_libcall_value.
11082 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11083 (MASK_COLDFIRE): Add MASK_CFV4E.
11084 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11085 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11086 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11087 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11088 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11089 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11090 * doc/invoke.tex: Document -mcfv4e on m68k.
11092 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11094 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11097 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11100 * c-opts.c (c_common_handle_option): Don't include
11101 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11102 * doc/invoke.texi (C++ Dialect Options): Document that
11103 -Wnon-virtual-dtor is no longer included in -Wall.
11105 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11107 * gcov.c (print_version), gcov-dump.c (print_version),
11108 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11111 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11113 * df-scan.c (problem_SCAN): Added NULL reset function.
11114 (df_scan_reset_blocks): Added code to call reset block function
11115 (df_bb_refs_delete) Fixed comment.
11116 (df_insn_refs_delete): Made tolerant of deleting non existent info
11117 for dataflow problems that need to be reset.
11118 * df-core.c (df_set_blocks): Ditto.
11119 * df.h (struct df_problem): Added reset_fun.
11120 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11121 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11122 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11123 functions to clear out all references to def-use or use-def chains.
11125 2006-01-21 Ben Elliston <bje@au.ibm.com>
11127 * varasm.c (assemble_real): Initialise data array.
11129 2006-01-20 Paul Brook <paul@codesourcery.com>
11131 Merge from csl-arm-branch.
11132 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11133 * config/arm/arm.md (movdi): Force operands[1] to a register
11134 if we have a non-register source.
11135 (*arm_movdi, *movdf_soft_insn): Require that one of the
11136 operands be a register.
11137 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11138 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11140 2006-01-20 DJ Delorie <dj@redhat.com>
11142 * varasm.c (initializer_constant_valid_p): Allow pointers
11143 initialized from integer constants of lesser precision.
11144 (output_constant): Allow non-int-sized pointer modes to be
11145 initialized from integer constants.
11147 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11150 * cppdefault.h (struct default_include): Add multilib flag.
11151 * cppdefault.c (cpp_include_defaults): Set it.
11152 * c.opt (-imultilib): New option.
11153 * c-opts.c (imultilib): New.
11154 (c_common_handle_option): Handle -imultilib.
11155 (c_common_post_options): Likewise.
11156 * c-incpath.c (add_standard_paths, register_include_chains):
11158 * c-incpath.h (register_include_chains): Add extra parameter.
11159 * gcc.c (do_spec_1): Generate -imultilib option.
11160 (The Specs Language): Update %I description.
11161 (process_command): Update copyright notice.
11162 * doc/cppopts.texi (-imultilib): Document.
11163 * doc/invoke.texi (-imultilib): Include in option summary.
11164 (%I): Update specs documentation.
11166 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11168 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11170 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11172 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11175 2006-01-20 Richard Guenther <rguenther@suse.de>
11176 Steven Bosscher <stevenb.gcc@gmail.com>
11178 PR rtl-optimization/24626
11179 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11180 EDGE_TRUE_VALUE if in RTL mode.
11183 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11184 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11186 2006-01-20 Dirk Mueller <dmueller@suse.com>
11189 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11190 instead of a special NOP marker.
11191 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11192 NOP marker handling.
11193 * c-common.h (empty_body_warning): Add forward declaration.
11194 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11195 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11197 2006-01-20 Paul Brook <paul@codesourcery.com>
11199 * Makefile.in (lang_checks): Keep going if mkdir fails.
11201 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11203 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11204 be able to clean out basic block when not necessary.
11205 (df_scan_free): Fixed to properly delete information if df is
11206 unused before calling df_finish.
11207 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11208 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11210 (df_bb_refs_delete): New function.
11211 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11212 * df-core.c (df_set_blocks): Added code to properly clean out
11213 unused blocks if they are not part of the blocks to consider.
11214 Added additional null check.
11215 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11216 be able to clean out basic block when not necessary
11217 * df.h (df_free_bb_function): Ditto.
11218 (df_bb_refs_delete): New function.
11219 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11220 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11221 basic block parameter to be able to clean out basic block when not
11223 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11224 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11225 Fixed to properly delete information if df is unused before
11228 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11230 PR rtl-optimization/25799
11231 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11232 Corrected confluence operator to remove bits from op2 before oring
11233 with op1 rather than removing bits from op1.
11234 (df_ru_transfer_function): Corrected test on wrong bitmap which
11235 caused infinite loop. Both of these problems were introduced in
11236 the dataflow rewrite.
11238 2006-01-19 DJ Delorie <dj@redhat.com>
11240 * reload1.c (find_reload_regs): Note the details of reload
11241 failures in the dump file.
11242 (spill_failure): Likewise.
11244 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11246 * loop-iv.c: Include df.h and hashtab.h.
11247 (enum iv_grd_result): New enum.
11248 (DF_REF_IV, DF_REF_IV_SET): New macros.
11249 (struct biv_entry): New.
11250 (df, bivs): New global variables.
11251 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11252 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11254 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11255 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11256 analyzed_for_bivness_p, record_biv): New functions.
11257 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11258 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11259 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11261 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11263 (iv_number_of_iterations): Use new interface to iv analysis.
11264 * loop-unroll.c: Do not include varray.h.
11265 (analyze_iv_to_split_insn): Use new interface to iv
11267 * loop-unswitch.c (may_unswitch_on): Ditto.
11268 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11270 (df_bb_modify): Realloc tables to the new index.
11271 (df_find_use): New function.
11272 * df.h (df_find_use): Declare.
11273 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11275 * cfgloop.h (struct rtx_iv): Remove analysed field.
11276 (iv_get_reaching_def): Removed.
11277 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11278 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11279 (loop-iv.o): Add df.h and hashtab.h dependency.
11280 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11282 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11285 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11287 (__floatundisf, __floatundidf): Likewise.
11288 * libgcc2.h (IS_IBM_EXTENDED): Define.
11290 2006-01-19 DJ Delorie <dj@redhat.com>
11292 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11294 2006-01-19 Paul Brook <paul@codesourcery.com>
11296 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11297 as nothrow when unwinding tables are disabled.
11299 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11302 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11303 of bit-field" when in system header.
11305 2006-01-19 DJ Delorie <dj@redhat.com>
11307 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11308 the 16 bit shift limit of the m16c.
11310 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11313 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11314 * config/i386/i386.c (output_set_got): Output the label if we have one
11315 for the TARGET_DEEP_BRANCH_PREDICTION case.
11317 2006-01-19 Jan Hubicka <jh@suse.cz>
11318 H.J. Lu <hongjiu.lu@intel.com>
11319 Evandro Menezes <evandro.menezes@amd.com>
11321 * invoke.texi (generic): Document
11323 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11324 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11325 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11326 (x86_use_incdec, x86_pad_returns): New variables
11327 (TARGET_CPU_DEFAULT_generic): New constant
11328 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11329 (enum processor_type): Add generic32 and generic64.
11330 * i386.md (cpu attribute): Add generic32/generic64
11331 (movhi splitter): Behave sanely when both partial_reg_dependency and
11332 partial_reg_stall are set.
11333 (K8 splitters): Enable for generic as well.
11334 * predicates.md (incdec_operand): Use TARGET_INCDEC
11335 (aligned_operand): Avoid memory mismatch stalls.
11336 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11337 * ppro.md: Enable for generic32
11338 * i386.c (generic64_cost, generic32_cost): New.
11339 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11340 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11341 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11342 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11343 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11344 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11345 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11346 x86_accumulate_outgoing_args, x86_prologue_using_move,
11347 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11348 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11349 Enable for generic.
11350 (x86_use_incdec, x86_pad_returns): New.
11351 (override_options): Add generic32 and generic64, translate "generic"
11352 to generic32/generic64 and "i686" to "generic32", refuse
11353 "generic32"/"generic64" as arch target.
11354 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11355 (ix86_reorg): Honor PAD_RETURNS.
11357 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11359 * tree-pretty-print.c (dump_generic_node): Handle
11360 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11361 * cgraph.c (cgraph_expand_queue): Rename from
11362 cgraph_analyze_queue. Update all users.
11363 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11364 cgraph_expand_queue.
11365 (cgraph_expand_all_functions): Likewise.
11366 (cgraph_finalize_pending_functions): Remove. Update callers.
11368 * tree.h (OMP_DIRECTIVE_P): Define.
11369 (OMP_PARALLEL_FN): Define.
11370 (OMP_PARALLEL_DATA_ARG): Define.
11371 (OMP_SECTIONS_SECTIONS): Define.
11372 * tree-pass.h (pass_expand_omp): Declare.
11373 * omp-low.c (struct omp_region): Declare.
11374 (struct omp_context): Remove fields 'parallel_type',
11375 'parallel_start_ix' and 'parallel_start_additional_args'.
11377 (struct omp_for_data): Rename from struct expand_omp_for_data.
11378 (omp_regions): New static variable.
11379 (root_omp_region): New static variable.
11380 (find_omp_clause): Make static.
11381 (is_in_combined_parallel_ctx): Remove.
11382 (is_combined_parallel): New.
11383 (extract_omp_for_data): Move earlier in the file.
11384 (workshare_safe_to_combine_p): New.
11385 (get_ws_args_for): New.
11386 (determine_parallel_type): Move earlier in the file.
11387 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11389 (omp_copy_decl): Likewise.
11390 (create_omp_child_function): Likewise.
11391 (lookup_omp_region): New.
11392 (dump_omp_region): New.
11393 (debug_omp_region): New.
11394 (debug_all_omp_regions): New.
11395 (new_omp_region): New.
11396 (scan_omp_parallel): If parallel_nesting_level > 1, the
11397 directive is nested within another parallel directive.
11398 Set OMP_PARALLEL_FN.
11399 (scan_omp_for): Do not try to handle combined parallel+for
11401 Remove FIXME comment.
11402 (scan_omp_nested): Remove.
11403 (scan_omp_1): Do not call scan_omp_nested when
11404 parallel_nesting_level is > 1.
11405 Do not change the DECL_CONTEXT of local variables found.
11406 (lookup_decl_in_outer_ctx): New.
11407 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11408 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11409 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11410 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11411 If CTX is nested, lookup VAR in the outer context when
11412 building copy assignment.
11413 (lower_send_clauses): Rename from expand_send_clauses.
11414 If CTX is nested, lookup VAR in the outer context when
11415 building copy assignments.
11416 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11417 If CTX is nested, lookup VAR in the outer context when
11418 building copy assignments.
11419 (expand_parallel_call): Rename from build_parallel_call.
11420 Handle combined parallel+workshare cases.
11421 Re-implement to emit code into the CFG.
11423 (expand_omp_parallel): Re-implement to emit code into the CFG.
11424 Call move_sese_region_to_fn to outline the sub-graph
11425 containing the parallel region.
11426 (expand_omp_for_1): Remove.
11427 (expand_omp_for_generic): Re-implement to emit code into the
11429 (expand_omp_for_static_nochunk): Likewise.
11430 (expand_omp_for_static_chunk): Likewise.
11431 (expand_omp_for): Likewise.
11432 (expand_omp_sections): Likewise.
11433 (remove_exit_barriers): New.
11434 (expand_omp_synch): New.
11436 (build_omp_regions_1): New.
11437 (build_omp_regions): New.
11438 (execute_expand_omp): New.
11439 (gate_expand_omp): New.
11440 (pass_expand_omp): Define.
11441 (lower_omp_sections): Rename from expand_omp_sections.
11442 Set OMP_SECTIONS_SECTIONS.
11443 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11444 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11445 (lower_omp_single): Rename from expand_omp_simple.
11446 (lower_omp_master): Rename from expand_omp_master.
11447 (lower_omp_ordered): Rename from expand_omp_ordered.
11448 (lower_omp_critical): Rename from expand_omp_critical.
11449 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11450 (lower_omp_for): Re-implement.
11451 (lower_omp_parallel): Re-implement.
11452 (lower_regimplify): Rename from expand_regimplify.
11453 (lower_omp_1): Rename from expand_omp_1.
11454 If there are syntax errors in the program, replace every
11455 OpenMP directive with NOP.
11456 Call lower_omp_* instead of expand_omp_*.
11457 (lower_omp): Rename from expand_omp.
11459 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11460 * tree-gimple.h (enum omp_parallel_type): Remove.
11461 (gimple_boolify): Declare extern.
11462 (find_omp_clause, determine_parallel_type): Remove.
11464 * gimple-low.c (lower_omp_directive): New.
11465 (lower_stmt): Call it.
11466 (record_vars_into): Move from ...
11467 (record_vars): ... here.
11468 Call record_vars_into with current_function_decl.
11470 * gimplify.c (struct gimplify_ctx): Remove fields
11471 combined_pre_p and combined_ctxp. Update users.
11472 (get_formal_tmp_var): Add documentation.
11473 (gimple_boolify): Make extern.
11474 (gimplify_expr_in_ctx): Remove. Update callers.
11475 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11476 will always be a BIND_EXPR.
11477 (gimplify_expr): Handle OMP_RETURN_EXPR.
11478 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11479 (OMP_PARALLEL): Add 3 operands.
11480 (OMP_SECTIONS): Add 1 operand.
11481 (OMP_RETURN_EXPR): Define.
11483 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11484 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11485 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11486 creating a circular free list.
11487 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11489 * tree-flow.h (move_sese_region_to_fn): Declare.
11490 (record_vars_into): Declare.
11491 * tree-cfg.c (make_omp_sections_edges): New.
11492 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11493 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11494 OMP_SECTIONS and OMP_SECTION.
11495 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11496 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11497 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11498 (gather_blocks_in_sese_region): New.
11499 (struct move_stmt_d): Declare.
11500 (move_stmt_r): New.
11501 (move_block_to_fn): New.
11502 (move_sese_region_to_fn): New.
11504 * passes.c (init_optimization_passes): Schedule
11505 pass_expand_omp after pass_init_datastructures.
11507 * tree-ssa-operands.c (get_expr_operands): Handle
11508 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11509 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11511 2006-01-19 Jeff Law <law@redhat.com>
11513 * tree-vrp.c (extract_range_from_assert): Refine the result range
11514 if the variable referenced by the ASSERT_EXPR has a range and
11515 either the tentative result range or the previous range is a
11518 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11520 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11522 2006-01-19 Jan Hubicka <jh@suse.cz>
11524 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11526 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11528 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11529 (expand_compound_operation, expand_field_assignment): Fail if the
11530 bit lengths of an extract operation are out of range.
11531 (make_extraction): Compute wanted_inner_mode based on the position
11532 and length of the extraction. Make it extraction_mode for non-constant
11533 positions, and do not modify offset in that case. When generating a
11534 new MEM, use a mode that can hold the extraction while keeping correct
11535 alignment. Remove code that supported MEMs wrapped by USEs.
11536 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11538 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11540 * config/s390/s390.md ("Y", "y"): New mode attribute.
11541 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11542 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11543 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11544 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11545 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11546 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11547 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11548 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11549 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11550 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11551 "addsi3", "subsi3"): Insn patterns removed.
11552 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11553 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11554 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11555 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11556 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11557 "*sub<mode>3_cconly2"): New insn patterns.
11558 ("addsi3", "subsi3"): New expanders.
11560 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11562 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11563 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11564 existing STMT_VINFO_VECTYPE if available.
11565 (vect_mark_relevant): Add special handling for stmts that are
11566 marked as STMT_VINFO_IN_PATTERN_P.
11567 (vect_analyze_loop): Call vect_pattern_recog.
11568 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11569 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11571 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11572 (vect_recog_func_ptr): New function-pointer type.
11573 * tree-vect-patterns.c: New file.
11574 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11575 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11576 (vect_pattern_recog_1): New functions.
11577 (vect_pattern_recog_funcs): New array of function pointers.
11579 * tree-vectorizer.h (ternary_op): New enum value.
11580 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11581 declaration. Revised documentation. Removed redundant dump prints.
11582 Removed redundant argument. Added support for reduction patterns.
11583 (vectorizable_reduction): Added support for reduction patterns.
11584 (vect_transform_stmt): Added support for patterns.
11586 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11587 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11588 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11589 (expand_widen_pattern_expr): New function.
11590 (init_optabs): Initialize new optabs udot_prod_optab,
11592 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11593 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11594 (expand_widen_pattern_expr): New function declaration.
11595 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11597 * tree-inline.c (estimate_num_insns_1): Added cases for new
11598 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11599 * tree-pretty-print.c (dump_generic_node): Likewise.
11600 (op_prio): Likewise.
11601 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11602 * tree-ssa-operands.c (get_expr_operands): Added case for
11604 * tree-vect-patterns.c (widened_name_p): New function.
11605 (vect_recog_dot_prod_pattern): Added function implementation.
11606 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11607 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11608 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11609 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11611 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11612 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11613 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11614 (init_optabs): Initialize new optabs widen_ssum_optab,
11616 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11617 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11618 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11619 use instead of type of def.
11620 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11621 function implementation.
11622 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11623 widen_ssumv8hi): New.
11625 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11628 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11631 * c-decl.c (add_flexible_array_elts_to_size): New function.
11632 (finish_decl): Use it.
11634 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11636 * diagnostic.h: Include options.h.
11637 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11638 dependancies for diagnostic.h.
11639 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11641 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11643 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11644 (ssa_ro_call_cache_valid): Ditto.
11645 * tree-ssa-alias.c (sort_tags_by_id): New function.
11646 (init_transitive_clobber_worklist): Ditto.
11647 (add_to_worklist): Ditto.
11648 (mark_aliases_call_clobbered): Ditto.
11649 (compute_tag_properties): Ditto.
11650 (set_initial_properties): Ditto.
11651 (compute_call_clobbered): Ditto.
11652 (compute_may_aliases): Call compute_call_clobbered and grouping.
11653 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11654 (compute_flow_insensitive_aliasing): Grouping now happens in our
11656 (setup_pointers_and_addressables): Remove clobbering related code.
11657 (add_may_alias): Ditto.
11658 (replace_may_alias): Ditto.
11659 (get_nmt_for): Ditto.
11660 (create_global_var):
11661 (is_escape_site): Return an escape_type enumeration.
11662 * tree-flow-inline.h (is_call_clobbered): Global var does not
11663 imply call clobbered.
11664 (mark_call_clobbered): Take a reason for marking this. Remove
11665 marking of globalness, and cache invalidation.
11666 (clear_call_clobbered): Remove cache invalidation code.
11667 * tree-dfa.c (dump_variable): If details is on, dump the reason
11669 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11671 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11672 (struct var_ann_d): Ditto.
11673 (enum escape_type): New.
11674 (mark_call_clobbered): Adjust prototype.
11675 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11676 are never call clobbered.
11677 Record reasons for escaping.
11678 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11679 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11680 (ssa_ro_call_cache_valid): Ditto.
11681 (clobbered_v_may_defs): Ditto.
11682 (clobbered_vuses): Ditto.
11683 (ro_call_vuses): Ditto.
11684 (clobber_stats): New.
11685 (init_ssa_operands): Zero out clobber stats.
11686 (fini_ssa_operands): Print out clobber stats.
11687 (get_call_expr_operands): Pass callee fndecl to
11688 add_call_read_ops).
11689 (add_call_clobber_ops): Remove use of cache.
11690 Add use of PURE_CONST information.
11691 (add_call_read_ops): Remove use of cache.
11692 Add use of static not_read information.
11694 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11696 Introduce TLS descriptors for i386 and x86_64.
11697 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11698 (TARGET_ANY_GNU_TLS): New macro.
11699 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11700 (struct machine_function): Add tls_descriptor_call_expanded_p.
11701 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11702 (ix86_current_function_calls_tls_descriptor): Likewise.
11703 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11704 (override_options): Introduce gnu2 tls dialect.
11705 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11707 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11709 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11710 (ix86_init_machine_status): Initialize new field.
11711 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11712 (ix86_tls_module_base): New.
11713 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11714 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11715 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11716 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11717 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11718 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11719 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11720 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11721 * config/i386/predicates.md (tls_modbase_operand): New.
11722 (tp_or_register_operand): New.
11724 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11726 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11727 (look_for_address_of): Ditto.
11728 (ipa_init): Walk the function decls.
11729 (static_execute): Don't set readonly on FUNCTION_DECL's.
11731 2006-01-18 Roger Sayle <roger@eyesopen.com>
11733 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11734 for shifts where the source and destination registers are different.
11736 2006-01-18 Paul Brook <paul@codesourcery.com>
11738 Merge from csl-arm-branch.
11739 2005-03-14 Julian Brown <julian@codesourcery.com>
11740 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11741 (aeabi_llsl): Likewise.
11742 (ashrdi3): Likewise.
11743 (aeabi_lasr): Likewise.
11744 (lshrdi3): Likewise.
11745 (aeabi_llsr): Likewise.
11746 2005-03-10 Julian Brown <julian@codesourcery.com>
11747 * config.gcc: Disable shared libgcc for SymbianOS.
11748 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11750 2006-01-18 DJ Delorie <dj@redhat.com>
11752 * c-pragma.c (handle_pragma_diagnostic): New.
11753 (init_pragma): Register it.
11754 * doc/extend.texi: Document it.
11756 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11757 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11758 (diagnostic_context): Add classify_diagnostic[].
11759 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11760 as errors if they're overridden to DK_WARNING.
11761 (diagnostic_initialize): Initialize classify_diagnostic[].
11762 (diagnostic_set_kind_override): New.
11763 (diagnostic_report_diagnostic): Check for kind changes.
11764 * opts.c (common_handle_option): Take lang_mask. Update callers.
11765 Handle OPT_Werror_.
11766 * common.opt (Werror=): New.
11767 * doc/invoke.texi: Document -Werror=*
11769 2006-01-18 Jeff Law <law@redhat.com>
11771 * tree-vrp.c (test_for_singularity): Correct test for new
11772 min limit. Use operand_equal_p rather than pointer equality
11773 for testing if new min/max values are equal.
11775 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11776 using range information until after propagation and folding.
11778 2006-01-18 Richard Henderson <rth@redhat.com>
11779 Aldy Hernandez <aldyh@redhat.com>
11780 Jakub Jelinek <jakub@redhat.com>
11781 Diego Novillo <dnovillo@redhat.com>
11783 * omp-low.c: New file.
11784 * c-omp.c: New file.
11786 2006-01-18 Richard Henderson <rth@redhat.com>
11787 Jakub Jelinek <jakub@redhat.com>
11788 Diego Novillo <dnovillo@redhat.com>
11790 * doc/invoke.texi: Document -fopenmp.
11791 * tree-dump.h (debug_function): Declare.
11792 * hooks.c (hook_bool_tree_bool_false): New function.
11793 (hook_tree_tree_null): Remove.
11794 (hook_tree_tree_tree_null): New.
11795 * hooks.h: Update to match.
11796 * tree-pretty-print.c (debug_tree_chain): New.
11797 (print_generic_expr): Handle TDF_CHAIN.
11798 (dump_generic_node): Handle BLOCK.
11799 Do not abort with incomplete SWITCH_EXPRs.
11800 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11801 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11802 print space after directive name.
11803 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11804 Handle OMP_MASTER and OMP_ORDERED.
11805 Handle printing of OMP_BODY just in one place, goto
11806 dump_omp_body in the rest of OMP_* nodes that have
11808 Don't handle clause nodes here. Update omp statements to
11809 use dump_omp_clauses.
11810 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11811 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11812 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11813 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11814 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11815 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11816 Adjust output for GOMP_PARALLEL.
11817 (dump_omp_clauses): New.
11818 (print_declaration): Dump DECL_VALUE_EXPR.
11819 (op_symbol_1): Split out of op_symbol.
11820 (dumping_stmts): Remove. Update all users.
11821 * cgraph.c (cgraph_analyze_queue): New.
11822 (cgraph_add_new_function): New.
11823 * cgraph.h (cgraph_analyze_queue): Declare.
11824 (cgraph_add_new_function): Declare.
11825 (cgraph_lower_function): Remove.
11826 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11827 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11828 and TYPE_P nodes in its default clause.
11829 (empty_body_p): New.
11830 (tree_range_check_failed): New.
11831 (build5_stat): New.
11832 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11833 OMP_CLAUSE_REDUCTION_MERGE,
11834 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11835 OMP_CLAUSE_PRIVATE_DEBUG,
11836 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11837 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11838 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11839 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11840 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11841 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11842 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11843 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11844 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11845 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11846 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11847 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11848 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11849 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11850 (TREE_RANGE_CHECK): New.
11851 (empty_body_p): Declare.
11852 (enum omp_clause_default_kind): New.
11853 (build_string_literal): Declare.
11854 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11855 (build5_stat, build5): Declare.
11856 * tree-pass.h (TDF_CHAIN): Define.
11857 * tree-pass.h (PROP_gimple_lomp): Define.
11858 (pass_lower_omp): Declare.
11859 * diagnostic.h (debug_tree_chain): Declare.
11860 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11862 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11863 * builtins.c (build_string_literal): Make extern.
11864 * gcc.c (include_spec_function): New.
11865 (static_spec_functions): Add it.
11866 (main): Move load of libgomp.spec ...
11867 (LINK_COMMAND_SPEC): ... here.
11868 (link_gomp_spec): New.
11869 (static_specs): Include it.
11870 (LINK_COMMAND_SPEC): Add link_gomp.
11871 (GOMP_SELF_SPECS): New.
11872 (driver_self_specs): Include it.
11873 (switch_matches): Don't mark inline.
11874 (main): Load libgomp.spec.
11875 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11876 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11877 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11878 * tree-gimple.h (enum omp_parallel): Declare.
11879 (determine_parallel_type): Declare.
11880 (omp_firstprivatize_variable): Declare.
11881 (omp_reduction_init): Declare.
11882 (diagnose_omp_structured_block_errors): Declare.
11883 (struct walk_stmt_info): Add want_return_expr.
11884 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11885 (find_omp_clause): Declare.
11886 (insert_field_into_struct): Declare.
11887 (struct walk_stmt_info): Move from tree-nested.c
11888 (walk_stmts): Declare.
11889 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11891 * cgraphunit.c (cgraph_lower_function): Make static.
11892 (cgraph_finalize_pending_functions): New.
11893 (cgraph_finalize_function): Call it.
11894 (cgraph_finalize_compilation_unit): Likewise.
11895 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11896 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11897 (BT_FN_UINT_UINT): New.
11898 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11899 DEF_FUNCTION_TYPE_VAR_4): Document.
11900 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11901 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11902 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11903 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11904 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11905 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11906 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11907 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11908 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11909 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11910 into separate files.
11911 (DEF_GOMP_BUILTIN): New.
11912 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11913 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11914 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11915 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11916 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11917 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11918 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11919 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11920 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11921 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11922 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11923 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11924 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11925 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11926 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11927 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11928 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11929 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11930 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11931 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11932 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11933 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11934 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11935 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11936 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11937 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11938 * sync-builtins.def: New file, moved from builtins.def.
11939 * omp-builtins.def: New file, moved from builtins.def.
11940 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11941 * gimple-low.c (lower_function_body): Clear data.
11942 (lower_stmt): Do not handle COMPOUND_EXPR.
11943 Remove call to print_node_brief.
11944 * c-tree.h (c_finish_omp_clauses): New prototype.
11945 (C_DECL_THREADPRIVATE_P): Define.
11946 (lookup_name_no_remap, c_omp_remap_private): Remove
11947 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11948 (check_for_loop_decls): Update decl.
11949 (lookup_name_no_remap, c_omp_remap_private): Declare.
11950 (build_indirect_ref, build_modify_expr, pushdecl,
11951 pushdecl_top_level): Move to c-common.h.
11952 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11953 before the switch, but just in the 2 places that need it.
11954 * c-decl.c (diagnose_mismatched_decls): Do not check for
11955 mismatched thread-local attributes when OLDDECL is marked
11956 threadprivate and NEWDECL has no thread-local attributes.
11957 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11958 (c_gimple_diagnostics_recursively): Rename from
11959 c_warn_unused_result_recursively. Invoke
11960 diagnose_omp_structured_block_errors.
11961 (check_for_loop_decls): Return a singular decl found.
11962 * langhooks.c (lhd_omp_predetermined_sharing): Return
11963 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11964 (lhd_omp_firstprivatize_type_sizes): New.
11965 (lhd_omp_assignment): New.
11966 (lhd_omp_predetermined_sharing): New.
11967 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11968 (struct lang_hooks_for_types): Add
11969 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11970 omp_predetermined_sharing, omp_disregard_value_expr,
11971 omp_private_debug_clause, omp_clause_default_ctor,
11972 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11973 (c_finish_omp_clauses): New.
11974 (c_finish_bc_stmt): Diagnose break within omp for.
11975 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11976 (build_unary_op): Return error_mark after reporting
11978 (build_modify_expr): Likewise.
11979 * gimplify.c: Include optabs.h and pointer-set.h.
11980 (enum gimplify_omp_var_data): Declare.
11981 (struct gimplify_omp_ctx): Declare.
11982 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11984 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11985 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11986 (splay_tree_compare_decl_uid): New.
11987 (new_omp_context): New.
11988 (delete_omp_context): New.
11989 (gimple_add_tmp_var): Call omp_add_variable.
11990 (gimplify_bind_expr): Likewise.
11991 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11992 true, disregard DECL_VALUE_EXPR on the decl if any.
11993 (gimplify_expr_in_ctx): New.
11994 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11995 omp_add_variable, omp_notice_variable, omp_is_private
11996 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11997 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11998 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11999 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12000 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12001 gimplify_omp_atomic): New.
12002 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12003 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12004 OMP_CRITICAL and OMP_ATOMIC.
12005 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12006 * c-pragma.h (enum pragma_kind): Add
12007 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12008 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12009 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12010 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12011 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12012 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12013 PRAGMA_OMP_THREADPRIVATE.
12014 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12015 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12016 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12017 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12018 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12019 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12020 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12021 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12022 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12023 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12024 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12025 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12026 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12028 (struct nesting_info): Add field_map,
12029 suppress_expansion, debug_var_chain.
12030 (create_nesting_tree): Initialize them.
12031 (lookup_field_for_decl): Use field_map.
12032 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12033 (convert_local_omp_clauses): New.
12034 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12035 (walk_body): Split out of walk_function.
12036 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12037 (convert_nonlocal_reference): Handle omp statements.
12038 (convert_local_reference): Likewise.
12039 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12040 (unnest_nesting_tree): New.
12041 (lower_nested_functions): Call it.
12042 (insert_field_into_struct): Make extern.
12043 (struct walk_stmt_info): Move to tree-gimple.h.
12044 (walk_stmts): Make extern.
12045 * omp-builtins.def: New file.
12046 * tree-iterator.c (expr_only): Clarify comment.
12047 * c-common.h (pushdecl_top_level, pushdecl,
12048 build_modify_expr, build_indirect_ref,
12049 c_finish_omp_master, c_finish_omp_critical,
12050 c_finish_omp_ordered, c_finish_omp_barrier,
12051 c_finish_omp_atomic, c_finish_omp_flush,
12052 c_finish_omp_for, c_split_parallel_clauses,
12053 omp_clause_default_kind, c_omp_sharing_predetermined,
12054 c_omp_remap_decl): Declare.
12055 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12056 (OBJS-common): Add omp-low.o.
12057 (c-omp.o, omp-low.o): Add.
12058 (gimplify.o): Add dependency on $(OPTABS_H).
12059 (GTFILES): Add omp-low.c.
12060 (gt-stringpool.h): Add.
12061 * tree-cfg.c (set_bb_for_stmt): Do not update the
12062 block-to-labels map if we are currently expanding to RTL.
12063 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12065 Handle IDENTIFIER_NODE.
12066 (tree_verify_flow_info): Do not ICE when emitting error
12067 messages about invalid labels.
12068 (dump_function_to_file): Reset CFUN before emitting the body
12070 (debug_function): New.
12071 * passes.c (init_optimization_passes): Schedule
12073 * langhooks-def.h (lhd_omp_predetermined_sharing,
12074 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12076 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12077 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12078 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12079 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12080 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12081 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12082 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12083 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12084 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12085 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12086 (LANG_HOOK_DECLS): Use them.
12088 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12089 Richard Henderson <rth@redhat.com>
12090 Jakub Jelinek <jakub@redhat.com>
12091 Diego Novillo <dnovillo@redhat.com>
12093 * c-parser.c (pragma_omp_clause): Define.
12094 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12095 (c_parser_compound_statement): Likewise.
12096 (c_parser_statement): Likewise.
12097 (c_parser_pragma): Handle omp pragmas.
12098 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12099 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12100 (c_parser_omp_clause_name, check_no_duplicate_clause,
12101 c_parser_omp_variable_list,
12102 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12103 c_parser_omp_clause_copyprivate,
12104 c_parser_omp_clause_default,
12105 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12106 c_parser_omp_clause_lastprivate,
12107 c_parser_omp_clause_nowait,
12108 c_parser_omp_clause_num_threads,
12109 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12110 c_parser_omp_clause_reduction,
12111 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12112 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12113 c_parser_omp_atomic, c_parser_omp_barrier,
12114 c_parser_omp_critical, c_parser_omp_flush,
12115 c_parser_omp_for_loop, c_parser_omp_for,
12116 c_parser_omp_master, c_parser_omp_ordered,
12117 c_parser_omp_sections_scope, c_parser_omp_sections,
12118 c_parser_omp_parallel, c_parser_omp_single,
12119 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12120 * c-pragma.c (init_pragma): Do omp pragma registration here.
12121 * c.opt (fopenmp): New flag.
12123 2006-01-18 Eric Christopher <echristo@apple.com>
12125 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12126 * config/darwin.h (GOMP_SELF_SPECS): Define.
12128 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12130 * rtl.h: Remove the prototype for reg_alloc.
12132 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12135 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12136 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12137 sjlj and dwarf2 exception handling.
12138 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12139 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12140 * pa/pa.c (function_value): Treat complex and vector types as
12142 (function_arg): Likewise. Only pass scalar floats in the floating
12143 point argument registers.
12144 * pa/t-slibgcc-dwarf-ver: New file.
12145 * pa/t-slibgcc-sjlj-ver: New file.
12146 * pa/t-slibgcc-elf-ver: Delete file.
12148 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12150 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12151 unlikely_test_section_p test.
12153 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12155 * mode-switching.c (optimize_mode_switching): Make it static.
12156 * basic-block.h: Remove the prototype for
12157 optimize_mode_switching.
12159 * modulo-sched.c (sms_schedule): Make it static.
12160 * rtl.h: Remove the prototype for sms_schedule.
12162 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12163 * rtl.h: Remove the prototype for gcse_after_reload_main.
12165 * reg-stack.c (reg_to_stack): Make it static.
12166 * rtl.h: Remove the prototype for reg_to_stack.
12168 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12170 * rtl.h: Remove the prototypes for regrename_optimize and
12171 copyprop_hardreg_forward.
12173 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12175 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12176 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12177 Test against the appropriate null constant for the mode.
12178 If 'fixup_overlap' is true, swap the operands if they overlap.
12179 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12180 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12181 alpha_split_tmode_pair and adjust for above change.
12182 * config/alpha/alpha.md (movtf_internal): Adjust call to
12183 alpha_split_tfmode_pair and rely on it to swap the operands.
12184 (movti_internal): New insn and post-reload splitter.
12185 (movti): New expander.
12187 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12189 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12192 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12194 * rtlanal.c (global_reg_mentioned_p_1,
12195 global_reg_mentioned_p): Remove.
12196 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12198 * flow.c (initialize_uninitialized_subregs): Make it static.
12199 * rtl.h: Remove the prototype for
12200 initialize_uninitialized_subregs.
12202 * function.c (instantiate_virtual_regs): Make it static.
12203 * function.h: Remove the prototype for
12204 instantiate_virtual_regs.
12206 * regmove.c (regmove_optimize, combine_stack_adjustments):
12208 * rtl.h: Remove the prototypes for regmove_optimize and
12209 combine_stack_adjustments.
12211 2006-01-17 Roger Sayle <roger@eyesopen.com>
12213 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12214 (size_cost): Encode costs in bytes so that a reg-reg addition is
12215 equivalent to COSTS_N_INSNS(1).
12216 (override_options): Use the size_cost.branch_cost as the default
12217 ix86_branch_cost when optimizing for size.
12219 2006-01-18 Ben Elliston <bje@au.ibm.com>
12221 * Makefile.in (D32PBIT_FUNCS): New.
12222 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12223 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12224 D64PBIT_FUNCS and D128PBIT_FUNCS.
12225 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12226 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12228 (decnumber_dep): Define.
12229 * doc/libgcc.texi (Decimal float library routines): New node.
12230 * config/dfp-bit.h, config/dfp-bit.c: New files.
12232 2006-01-18 Ben Elliston <bje@au.ibm.com>
12234 * expr.c (emit_move_change_mode): Always adjust addresses, not
12235 just during reload. Copy replacements only during reload.
12236 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12237 emit_move_via_integer.
12239 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12241 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12242 instead of $(srcdir) and ${srcdir}.
12244 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12247 PR middle-end/11135
12248 * arm.h (struct machine_function): Add pic_reg.
12249 * arm.c (arm_pic_register): Make unsigned.
12250 (arm_override_options): Only set arm_pic_register if
12251 TARGET_SINGLE_PIC_BASE.
12252 (use_return_insn): Only test for a pic register if it is fixed.
12253 (arm_compute_save_reg0_reg12_mask): Likewise.
12254 (thumb_compute_save_reg_mask): Likewise.
12255 (legitimate_pic_operand): Factor out some known invariants.
12256 (legitimize_pic_address): If we don't have a fixed pic register,
12257 then set up a pseudo in the function entry sequence. Handle the
12258 pic base being in a pseudo.
12259 (arm_load_pic_register): Handle the pic register being in a pseudo.
12260 (arm_expand_prologue): Only set up the pic register if it is fixed.
12261 (thumb_expand_prologue): Likewise.
12262 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12263 (pic_load_addr_based_insn): Likewise.
12264 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12267 2006-01-18 Ben Elliston <bje@au.ibm.com>
12269 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12270 decimal float modes for all floating point registers.
12272 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12273 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12275 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12278 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12279 even when the pointer is not NULL.
12281 2006-01-16 Ian Lance Taylor <ian@airs.com>
12283 * common.opt (ftoplevel-reorder): New option.
12284 * cgraph.c (cgraph_asm_nodes): New global variable.
12285 (cgraph_asm_last_node): New static variable.
12286 (cgraph_order): New global variable.
12287 (cgraph_create_node): Set new order field.
12288 (cgraph_varpool_node): Likewise.
12289 (decide_is_variable_needed): Return true if not
12290 flag_toplevel_reorder.
12291 (cgraph_add_asm_node): New function.
12292 * cgraph.h (struct cgraph_node): Add order field.
12293 (struct cgraph_varpool_node): Add order field.
12294 (struct cgraph_asm_node): Define.
12295 (cgraph_asm_nodes, cgraph_order): Declare.
12296 (cgraph_add_asm_node): Declare.
12297 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12299 (cgraph_varpool_assemble_pending_decls): Call it.
12300 (cgraph_output_pending_asms): New static function.
12301 (cgraph_finalize_compilation_unit): Call it.
12302 (struct cgraph_order_sort): Define.
12303 (cgraph_output_in_order): New static function.
12304 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12305 !flag_toplevel_reorder case.
12306 * c-parser.c: Include "cgraph.h".
12307 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12309 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12310 than -fno-unit-at-a-time.
12311 * doc/invoke.texi (Option Summary): Mention
12312 -fno-toplevel-reorder.
12313 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12314 -funit-at-a-time documentation.
12316 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12317 Kazu Hirata <kazu@codesourcery.com>
12319 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12321 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12323 * Makefile.in (FUNCTION_H): New. Use it instead of
12324 function.h throughout the file.
12325 * function.h: Include tree.h.
12327 2006-01-17 Ben Elliston <bje@au.ibm.com>
12329 * recog.c: Separate some functions with whitespace.
12331 2006-01-16 Richard Henderson <rth@redhat.com>
12333 Merge from gomp branch:
12334 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12335 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12336 and rename from struct inline_data. Rename callee* to dst*;
12337 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12338 transform_new_cfg, transform_return_to_modify, and
12339 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12341 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12342 (copy_decl_for_dup): Remove.
12343 * tree-inline.c (struct inline_data): Move to header.
12344 (insert_decl_map): Export.
12345 (remap_decl): Update for member name changes. Use copy_decl hook.
12346 Allow for replacement to be a non-decl. Remove dead code.
12347 (remap_type_1): Check for existing mapping.
12348 (remap_type): Export.
12349 (remap_decls): Update for member name changes.
12350 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12351 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12352 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12353 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12354 (tree_function_versioning, build_duplicate_type): Likewise.
12355 (copy_body_r): Likewise. Export.
12356 (copy_decl_for_dup): Split into ...
12357 (copy_decl_for_dup_finish, copy_decl_to_var,
12358 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12359 (replace_ref_tree, inlining_p): Remove.
12361 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12363 * ifcvt.c (if_convert): Make it static.
12364 * rtl.h: Remove the prototype for if_convert.
12366 * local-alloc.c (local_alloc): Make it static.
12367 * rtl.h: Remove the prototype for local_alloc.
12369 * loop.c (loop_optimize): Make it static.
12370 * cfgloop.h: Remove the prototype for loop_optimize.
12373 2006-01-16 DJ Delorie <dj@redhat.com>
12375 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12378 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12380 * pa.md: Disparage copies between general and floating-point registers
12381 in 32-bit move patterns.
12383 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12386 * Makefile.in (check-%): Depend on site.exp instead of
12387 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12390 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12392 * global.c (global_alloc): Make it static.
12393 * rtl.h: Remove the prototype for global_alloc.
12395 2006-01-16 Richard Guenther <rguenther@suse.de>
12397 * tree-ssa-alias.c (struct used_part): Add write_only field.
12398 (get_or_create_used_part_for): Initialize it to true.
12399 (create_overlap_variables_for): Don't create structure variables
12400 for structures that only are written to.
12401 (find_used_portions): Handle MODIFY_EXPR to track whether a
12402 structure is only written to.
12404 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12406 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12408 * basic-block.h: Remove the prototype for
12409 partition_hot_cold_basic_blocks.
12411 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12413 * cppspec.c (lang_specific_spec_functions): Remove.
12414 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12415 * gcc.h (lang_specific_spec_functions): Remove.
12416 * gccspec.c (lang_specific_spec_functions): Remove.
12418 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12420 * combine.c (record_value_for_reg): Invalidate registers
12422 (record_dead_and_set_regs_1): Likewise, by passing them to
12423 record_value_for_reg.
12424 (record_dead_and_set_regs): Invalidate stores made by a
12425 call. We do not combine across a call, but we still
12426 relied on equivalences.
12428 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12430 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12431 vrp_int_const_binop returning non-constant nodes.
12433 2006-01-16 Paul Brook <paul@codesourcery.com>
12435 * config/m68k/m68k.c (output_move_const_into_data_reg):
12436 Output correct mnemonic for mvz and mvs.
12438 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12440 * rtl-factoring.c: Add sequence abstraction algorithm.
12441 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12442 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12444 (block_has_preserve_label): New function.
12445 * common.opt: Register new pass.
12446 * Makefile.in: Ditto.
12448 * timevar.def: Ditto.
12449 * tree-pass.h: Ditto.
12450 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12451 * rtl.h (make_jump_insn_raw): Add forward decl.
12452 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12454 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12455 Roger Sayle <roger@eyesopen.com>
12457 * fold-const.c (fold_minmax): New static function.
12458 (fold_binary) <MIN_EXPR>: Call it.
12459 <MAX_EXPR>: Likewise.
12460 * stor-layout.c (place_field): Use DECL_SIZE consistently
12461 in the computation of the new record size.
12463 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12465 * cse.c (cse_condition_code_reg): Make it static.
12466 * rtl.h: Remove the prototype for cse_condition_code_reg.
12468 * combine.c (combine_instructions): Make it static.
12469 * rtl.h: Remove the prototype for combine_instructions.
12471 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12474 * tree.c (get_file_function_name_long): Concatenate the first global
12475 object name with a string derived from the input filename of the object
12478 2006-01-16 Ben Elliston <bje@au.ibm.com>
12480 * config/i386/winnt-stubs.c: Update FSF address.
12481 * config/xtensa/ieee754-df.S: Ditto.
12482 * config/xtensa/ieee754-sf.S: Ditto.
12484 2006-01-14 Ian Lance Taylor <ian@airs.com>
12486 * ifcvt.c (noce_init_if_info): New static function, broken out of
12487 noce_process_if_block.
12488 (noce_process_if_block): Call noce_init_if_info.
12489 (check_cond_move_block): New static function.
12490 (cond_move_process_if_block): New static function.
12491 (process_if_block): Call cond_move_process_if_block.
12493 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12495 * cselib.c (hash_table): Rename to cselib_hash_table.
12496 (cselib_clear_table, discard_useless_values,
12497 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12498 cselib_init, cselib_finish): Adjust uses of hash_table.
12500 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12502 PR tree-optimization/25485
12503 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12504 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12505 is known to be false and true, respectively.
12507 2006-01-14 Richard Guenther <rguenther@suse.de>
12509 PR tree-optimization/22548
12510 PR tree-optimization/22555
12511 PR tree-optimization/22501
12512 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12513 * params.def (salias-max-array-elements): New parameter.
12514 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12515 * doc/invoke.texi (salias-max-array-elements): Document.
12516 * tree-flow-inline.h (var_can_have_subvars): We also handle
12518 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12520 * tree-ssa-structalias.c (params.h): Include.
12521 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12522 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12523 (get_constraint_for): For ADDR_EXPR operating on something
12524 containing an ARRAY_REF, add all subvars to the solution.
12525 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12526 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12527 for creating MUST_DEFs.
12528 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12530 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12532 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12534 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12535 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12536 number_of_iterations_le): New functions.
12537 (number_of_iterations_special): Removed.
12538 (number_of_iterations_exit): Do not use number_of_iterations_special.
12539 * tree.c (unsigned_type_for): Always return integer type.
12541 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12542 Richard Guenther <rguenther@suse.de>
12544 PR rtl-optimization/24257
12545 * gcse.c (find_moveable_store): Only consider a store movable
12546 when the SET_SRC of the insn can be assigned to a register.
12548 2006-01-14 Ian Lance Taylor <ian@airs.com>
12550 * tree.c (tree_not_class_check_failed): New function.
12551 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12552 (tree_not_class_check_failed): Declare.
12554 2006-01-13 Ian Lance Taylor <ian@airs.com>
12556 * reload1.c (do_output_reload): Add assertion rejecting a
12559 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12561 * combine.c (struct reg_stat): Add new fields truncation_label and
12563 (record_value_for_reg): Reset truncated_to_mode.
12564 (record_truncated_value): New function.
12565 (check_promoted_subreg): Call it. Rename to check_conversions.
12566 (combine_instructions): Rename check_promoted_subreg to
12568 (reg_truncated_to_mode): New function.
12569 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12570 (gen_lowpart_or_truncate): New function.
12571 (force_to_mode): Use it instead of gen_lowpart.
12573 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12575 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12576 VAR is a tag, not its type tag.
12578 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12580 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12581 alternatives to match style of other entries.
12582 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12584 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12586 PR tree-optimization/25771
12587 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12590 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12593 * tree-inline.c (declare_return_variable): If the return variable
12594 was marked as a non gimple complex, set the return slot variable
12595 to be a non gimple comple variable.
12597 2006-01-13 Richard Guenther <rguenther@suse.de>
12599 * builtins.c (expand_builtin_sincos): New function.
12600 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12602 (expand_builtin): Expand sincos using expand_builtin_sincos.
12604 2006-01-12 DJ Delorie <dj@redhat.com>
12606 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12607 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12608 so that constant shifts can be split.
12609 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12610 (m32c_valid_pointer_mode): Make static.
12611 (shift_gen_func_for): New.
12612 (m32c_prepare_shift): Use it. Split large const shifts into
12614 * config/m32c/predicates.md (shiftcount_operand): Allow more
12616 (longshiftcount_operand): New.
12617 * doc/md.texi (Machine Constraints): Document In6.
12619 2006-01-13 Ben Elliston <bje@au.ibm.com>
12621 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12622 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12625 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12627 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12628 to try to avoid clobbering pieces of structures when we know
12629 something about the whole structure.
12630 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12632 2006-01-13 Ben Elliston <bje@au.ibm.com>
12634 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12635 return in memory, as this is no limitation is no longer present.
12637 2006-01-12 DJ Delorie <dj@redhat.com>
12639 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12640 mova with fb, and for fb+0 -> An.
12642 * config/m32c/mov.md (peephole2): Fix enabling logic.
12644 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12645 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12646 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12647 FINI_ARRAY_SECTION_ASM_OP): Define.
12649 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12651 (m32c_legitimize_reload_address): New logic to reload FB to An.
12652 (m32c_output_reg_push): Add newline.
12653 (m32c_output_reg_pop): Likewise.
12655 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12657 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12659 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12661 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12663 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12665 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12668 2006-01-11 Ben Elliston <bje@au.ibm.com>
12670 * rtlanal.c (find_reg_note): Assert insn is not null.
12672 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12674 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12677 2006-01-11 Jeff Law <law@redhat.com>
12679 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12681 (mark_threaded_blocks, register_jump_thread): New functions.
12682 (thread_through_all_blocks): Remove unwanted argument. No
12683 longer rely on e->aux to communicate thread target info.
12684 Call mark_threaded_blocks. Release the threaded_blocks
12685 bitmap and threaded_edges vector when complete.
12686 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12687 (threaded_blocks): Remove.
12688 (tree_ssa_dominator_optimize): Remove initialization and
12689 finalization of threaded_blocks. Simplify call to
12690 thread_through_all_blocks.
12691 (thread_across_edge): Call register_jump_thread rather than
12692 storing thread information into e->aux.
12693 (free_all_edge_infos): Simplify now that e->aux is no longer
12694 used to communicate with thread_through_all_blocks.
12695 * tree-flow.h (thread_through_all_blocks): Update prototype.
12696 (register_jump_thread): Prototype.
12698 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12700 * df-core.c (df_compact_blocks, df_bb_replace): Use
12701 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12703 2006-01-11 Richard Guenther <rguenther@suse.de>
12705 PR tree-optimization/25734
12706 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12707 stop propagation after successful propagation to the LHS.
12709 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12711 * basic-block.h (control_flow_graph): Change the type of
12712 x_basic_block_info to VEC(basic_block,gc) *.
12713 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12715 (SET_BASIC_BLOCK): New.
12716 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12717 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12718 * cfgbuild.c (find_basic_blocks): Likewise.
12719 * cfglayout.c (fixup_reorder_chain): Likewise.
12720 * cfgrtl.c (create_basic_block_structure,
12721 rtl_create_basic_block): Likewise.
12722 * ifcvt.c (find_if_case_1): Likewise.
12723 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12726 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12728 * Makefile.in: Removed rotted odf.c entry.
12730 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12733 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12734 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12735 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12736 output pattern modifier, not %e.
12737 * config/cris/cris.c (cris_op_str): Update comment about pattern
12739 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12740 before falling through into...
12741 <case 'E'>: Redefined from old 'e' case.
12743 2006-01-11 Jan Hubicka <jh@suse.cz>
12746 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12748 2006-01-11 Jan Hubicka <jh@suse.cz>
12750 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12751 * i386.c (x86_decompose_lea): Kill.
12752 (ix86_rtx_costs): Kill.
12754 2006-01-11 Jan Hubicka <jh@suse.cz>
12756 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12757 * cgraph.h (cgraph_node): Add inline_decl.
12758 (cgraph_insert_node_to_hashtable): Declare.
12759 (save_inline_function_body): Declare.
12760 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12762 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12763 (cgraph_function_versioning): Update call of tree_function_versioning.
12764 (save_inline_function_body): New function.
12765 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12766 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12767 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12768 (cgraph_default_inline_p): Likewise.
12769 (cgraph_decide_inlining_incrementally): Likewise.
12770 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12771 (copy_bb): Kill saving; do updating of clones.
12772 (copy_cfg_body): Kill saving.
12773 (initialize_inlined-parameters): Likewise.
12774 (expand_call_inline): Likewise.
12776 (tree_function_versioning): New parameter "update_clones".
12777 (inlining_p): Kill saving.
12778 * tree-inline.h (tree_function_versioning): Update prototype.
12779 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12782 2006-01-11 Ian Lance Taylor <ian@airs.com>
12784 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12785 Allow undoing set of machine mode.
12786 (do_SUBST): Use enums instead of is_int.
12787 (do_SUBST_MODE): New function.
12788 (SUBST_MODE): New macro.
12789 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12790 reg and trying to replace reg_regno_rtx with a new register.
12791 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12792 (simplify_set): Use SUBST_MODE.
12793 (distribute_notes): Remove code that tried to update reg notes
12794 for regno_reg_rtx changes.
12796 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12798 PR tree-optimization/23109
12799 PR tree-optimization/23948
12800 PR tree-optimization/24123
12802 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12803 * tree-cfg.c (single_noncomplex_succ): New.
12804 * tree-flow.h (single_noncomplex_succ): Declare it.
12805 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12806 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12807 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12808 insert_bb, register_division_in, insert_reciprocals,
12809 replace_reciprocal, free_bb): New.
12810 (execute_cse_reciprocals_1): Rewritten.
12811 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12812 Do not commit any edge insertion. Always compute dominators and
12813 create the allocation pool.
12814 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12815 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12816 * targhooks.c (default_min_divistions_for_recip_mul): New.
12817 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12818 * passes.c (init_optimization_passes): Run recip after tree loop
12820 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12822 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12823 Kenneth Zadeck <zadeck@naturalbridge.com>
12825 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12826 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12827 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12828 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12829 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12830 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12831 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12832 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12833 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12834 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12835 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12836 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12837 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12838 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12839 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12840 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12841 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12842 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12843 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12844 DF_SCAN_POST_ALLOC): New macros.
12845 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12846 df_free_bb_function, df_local_compute_function, df_init_function,
12847 df_dataflow_function, df_confluence_function_0,
12848 df_confluence_function_n, df_transfer_function,
12849 df_finalizer_function, df_free_function, df_dump_problem_function,
12850 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12851 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12852 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12853 df_urec_bb_info, ) New types.
12854 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12856 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12857 df_analyze_simple_change_some_blocks,
12858 df_analyze_simple_change_one_block, df_compact_blocks,
12859 df_bb_replace, df_bb_regno_last_use_find,
12860 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12861 df_insn_regno_def_p, df_find_def, df_find_use,
12862 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12863 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12864 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12865 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12866 debug_df_chain, df_get_dependent_problem, df_chain_create,
12867 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12868 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12869 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12870 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12871 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12872 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12873 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12874 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12875 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12876 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12877 df_reorganize_refs, df_set_state, df_hard_reg_init,
12878 df_read_modify_subreg_p) New public functions.
12879 * df-core.c: The core dataflow solver and glue routines for rtl
12881 (df_init, df_add_problem, df_set_blocks, df_finish,
12882 df_hybrid_search_forward, df_hybrid_search_backward,
12883 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12884 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12885 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12886 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12887 df_reg_defined, df_find_use, df_reg_used, df_dump,
12888 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12889 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12890 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12891 debug_df_useno, reset_df_after_reload): New functions.
12892 * df-scan.c: The scanning fuctions, once in df.c, completely
12893 rewritten so that they now fully model the functionality of
12894 register usage at the backend.
12895 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12896 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12897 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12898 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12899 df_get_artificial_defs, df_get_artificial_uses,
12900 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12901 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12902 df_refs_delete, df_reorganize_refs, df_set_state,
12903 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12904 df_def_record_1, df_defs_record, df_uses_record,
12905 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12906 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12907 df_record_exit_block_uses, df_hard_reg_init): New functions.
12909 * df-problems.c: Seven concrete dataflow problems that use the
12910 scanning in df-scan.c and are solved by the engine in df-core.c.
12911 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12912 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12913 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12914 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12915 df_ru_free_bb_info, df_ru_alloc,
12916 df_ru_bb_local_compute_process_def,
12917 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12918 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12919 df_ru_transfer_function, df_ru_free, df_ru_dump,
12920 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12921 df_rd_free_bb_info, df_rd_alloc,
12922 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12923 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12924 df_rd_transfer_function, df_rd_free, df_rd_dump,
12925 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12926 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12927 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12928 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12929 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12930 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12931 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12932 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12933 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12934 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12935 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12936 df_urec_mark_reg_use_for_earlyclobber,
12937 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12938 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12939 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12940 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12941 df_chain_create_bb_process_use, df_chain_create_bb,
12942 df_chain_finalize, df_chain_free, df_chains_dump,
12943 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12944 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12945 df_reg_lifetime): New functions.
12946 * df.c: Deleted file.
12947 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12948 consistent with new df api.
12949 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12950 rest_of_handle_sms): Ditto.
12951 * web.c (unionfind_union, union_defs, entry_register, web_main):
12953 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12954 invariant_expr_equal_p, find_defs, check_dependencies,
12955 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12956 free_inv_motion_data, move_loop_invariants): Ditto.
12957 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12958 Update dependencies.
12959 (odf.c): Added defective entry that was deleted later in day.
12960 * sched-deps.c (sched_analyze_1): Ditto.
12962 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12964 * tree-ssa-operands.c (get_expr_operands): Record addressable
12965 variables directly. Do not call add_stmt_operands for CONST_DECLs
12967 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12968 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12970 2006-01-11 Ben Elliston <bje@au.ibm.com>
12972 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12973 function returns true in the positive case.
12975 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12978 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12979 for SI, DI, SF and DF modes. Add alternatives to copy between
12980 general and floating point registers to the 32-bit patterns.
12981 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12982 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12983 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12984 generating 64-bit code.
12985 * config/pa/pa.c (output_move_double): Handle copies between general
12986 and floating registers.
12988 2006-01-10 Stuart Hastings <stuart@apple.com>
12990 * config/i386/i386.md (set_got): Update.
12991 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12992 (builtin_setjmp_receiver): Mach-O support.
12993 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12994 (GOT_SYMBOL_NAME): Define.
12995 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12996 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12997 * config/i386/i386.c (override_options): Revise for Darwin.
12998 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12999 support. (darwin_x86_file_end): New. (output_set_got): Add label
13000 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13001 * config/i386/i386-protos.h (output_set_got): Likewise.
13002 * config/darwin.c (machopic_legitimize_pic_address): Update
13005 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13007 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13008 when MODE isn't BLKmode.
13010 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13012 PR rtl-optimization/25367
13013 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13015 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13018 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13019 for a negative bound.
13021 2006-01-10 Richard Guenther <rguenther@suse.de>
13023 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13024 Never override with anything constraint.
13026 2006-01-10 Jan Beulich <jbeulich@novell.com>
13028 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13029 256 bits when optimize_size.
13031 2006-01-10 Jan Beulich <jbeulich@novell.com>
13033 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13035 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13036 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13039 2006-01-10 Ben Elliston <bje@au.ibm.com>
13041 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13043 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13044 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13045 (USE_FP_FOR_ARG): Reject decimal float modes.
13046 (function_arg_advance): Likewise.
13047 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13048 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13049 point types in AltiVec vectors.
13050 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13051 (rs6000_libcall_value): Likewise.
13053 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13055 * config/xtensa/ieee754-df.S: New file.
13056 * config/xtensa/ieee754-sf.S: New file.
13057 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13058 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13059 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13061 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13063 * config/sh/predicates.md (binary_float_operator,
13064 binary_logical_operator, commutative_float_operator,
13065 equality_comparison_operator, greater_comparison_operator,
13066 less_comparison_operator, logical_operator,
13067 noncommutative_float_operator, shift_operator,
13068 symbol_ref_operand, unary_float_operator): Remove redundant
13071 2006-01-09 Jeff Law <law@redhat.com>
13073 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13074 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13075 now unused arguments. Callers updated.
13076 (eliminate_redundant_computations): Remove now unused arguments,
13078 (local_fold): Remove, no longer used.
13079 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13081 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13082 (simplify_cond): New function.
13083 (forward_propagate_into_cond): Call simplify_cond.
13085 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13087 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13088 (*vec_extractv2di_1_sse): New.
13090 2006-01-09 Ben Elliston <bje@au.ibm.com>
13092 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13094 2006-01-08 Richard Guenther <rguenther@suse.de>
13096 * tree-ssa-structalias.c (get_constraint_for): Remove
13097 anyoffset argument.
13098 (get_constraint_for_component_ref): Likewise.
13099 (do_deref): Likewise.
13100 (get_constraint_for): Likewise.
13101 (do_structure_copy): Likewise.
13102 (handle_ptr_arith): Likewise.
13103 (find_func_aliases): Likewise. Remove unused need_anyoffset
13106 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13107 Kaz Kojima <kkojima@gcc.gnu.org>
13109 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13110 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13111 (EXTRA_CONSTRAINT_C16): Remove.
13112 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13113 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13114 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13115 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13116 constants of SHmedia. Handle nested constant expressions of
13118 (andcosts): Fix the costs for SHmedia constants.
13119 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13120 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13121 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13122 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13123 (movv4hi_i, movv2si_i): Likewise.
13124 (movsi_const): Adjust the second operand of ior so to match with
13125 the Csu constraint.
13126 (movdi_const, movdi_const_32bit): Likewise.
13127 (movdi_const_16bit+1): Don't sign-extend LOW.
13128 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13130 (*double_shori): Fix the split condition. Use GEN_INT instead
13131 of get_int_mode calls. Mask lower 16-bit of the argument of
13133 (sym2GOTPLT): Remove.
13134 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13136 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13137 instead of EXTRA_CONSTRAINT_C16.
13139 2006-01-07 Ian Lance Taylor <ian@airs.com>
13140 David Edelsohn <edelsohn@gnu.org>
13142 PR rtl-optimization/25662
13143 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13144 for constant operands instead of simplify_gen_binary.
13145 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13146 after trying simplify_binary_operation
13148 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13150 * tree.c (iterative_hash_expr): Hash decls based on UID.
13152 2006-01-06 Eric Christopher <echristo@apple.com>
13154 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13155 (TARGET_UNWIND_EMIT): Fix spelling.
13156 * target.h (gcc_target): Add except_table_label.
13157 * except.c (output_function_exception_table): Use.
13158 * varasm.c (default_emit_except_table_label): New.
13159 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13161 (asm_out): Add here.
13162 * output.h (default_emit_except_table_label): Prototype.
13163 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13164 * config/darwin.c (darwin_emit_except_table_label): Define.
13165 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13167 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13169 PR tree-optimization/18527
13170 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13171 number_of_iterations_special, number_of_iterations_exit):
13172 Move base and step of an iv to a single structure. Add
13173 no_overflow flag, and use it in # of iterations analysis.
13174 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13175 folded_casts argument.
13176 (simple_iv): Pass base and step in a structure. Set no_overflow
13178 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13179 Evaluate expensiveness of computing # of iterations instead of
13180 the final expression.
13181 * tree-scalar-evolution.h (affine_iv): New structure.
13182 (simple_iv): Declaration changed.
13183 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13184 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13185 find_givs_in_stmt): Changed due to simple_iv change.
13187 2006-01-06 Jeff Law <law@redhat.com>
13190 * tree-cfg.c (bsi_replace): Rename final argument from
13191 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13192 change (stmt -> orig_stmt).
13193 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13194 (bsi_remove): Add new argument. Remove EH information
13196 (verify_eh_throw_table_statements): New function.
13197 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13199 * tree-optimize.c (execute_free_cfg_annotations): Verify
13200 the EH throw statement table after removing annotations.
13201 * except.h (verify_eh_throw_table_statements): Prototype.
13202 * tree-flow.h (bsi_remove): Update prototype.
13203 * tree-vrp.c (remove_range_assertions): Add new argument to
13205 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13206 * tree-complex.c (expand_complex_div_wide): Likewise.
13207 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13208 * tree-tailcall.c (eliminate_tailcall): Likewise.
13209 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13210 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13211 * tree-nrv.c (tree_nrv): Likewise.
13212 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13213 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13214 (combine_blocks): Likewise.
13215 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13216 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13217 (cleanup_control_flow): Likewise.
13218 (remove_forwarder_block): Likewise.
13219 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13220 * tree-sra.c (sra_replace): Likewise.
13221 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13222 (forward_propagate_single_use_vars): Likewise.
13223 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13224 * tree-inline.c (expand_call_inline): Likewise.
13225 * tree-vect-transform.c (vect_transform_loop): Likewise.
13226 * tree-outof-ssa.c (rewrite_trees): Likewise.
13227 * tree-cfg.c (make_goto_expr_edges): Likewise.
13228 (cleanup_dead_labels): Likewise.
13229 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13230 (bsi_move_before, bsi_move_after): Likewise.
13231 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13232 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13234 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13237 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13239 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13240 on non gimple variables. Also add checks at the top for decls and
13242 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13244 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13245 and IMAGPART_EXPR for creating MUST_DEFs.
13246 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13247 and NAME_MEMORY_TAG separately from the DECLs.
13249 2006-01-06 Richard Guenther <rguenther@suse.de>
13251 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13252 annotation, if necessary.
13253 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13254 redundant calls to update_stmt.
13255 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13258 2006-01-05 Richard Henderson <rth@redhat.com>
13260 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13262 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13264 * c-typeck.c: Update copyright date.
13266 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13268 * c-typeck.c (build_c_cast): Always warn when casting
13269 from a pointer to an integer of different size, even if
13270 the node was constant.
13272 2006-01-05 Richard Guenther <rguenther@suse.de>
13274 PR tree-optimization/22555
13275 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13276 if one structure field is an array.
13277 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13278 operands even if we found a subvar, but ignore VOPs in this
13280 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13282 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13284 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13286 PR middle-end/24998
13287 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13289 2006-01-05 Richard Guenther <rguenther@suse.de>
13290 Diego Novillo <dnovillo@redhat.com>
13292 * tree-pass.h (TODO_remove_unused_locals): Define.
13293 * gimple-low.c (expand_var_p, remove_useless_vars,
13294 pass_remove_useless_vars): Remove. Update all users.
13295 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13296 (remove_unused_locals): New function.
13297 * tree-flow.h (remove_unused_locals): Declare.
13298 * passes.c (execute_todo): Call remove_unused_locals if
13299 TODO_remove_unused_locals is set.
13300 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13301 * tree-ssa-dce.c (pass_dce): Likewise.
13302 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13304 2006-01-05 Richard Guenther <rguenther@suse.de>
13306 * tree-flow.h (struct fieldoff): Decompose field to
13307 type, size and decl.
13308 * tree-ssa-alias.c (create_sft): Take type as parameter.
13309 (create_overlap_variables_for): Store type, size and decl
13310 in the fieldoff structure.
13311 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13312 of struct fieldoff.
13313 (push_fields_onto_fieldstack): Likewise.
13314 (create_variable_info_for): Likewise. Use offset for the
13315 SFT name if the decl is not available.
13317 2006-01-04 Paul Brook <paul@codesourcery.com>
13319 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13321 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13323 * lambda-code.c (can_put_in_inner_loop): Relax
13325 (can_put_after_inner_loop): New function.
13326 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13327 (perfect_nestify): Change to make copies and modify uses.
13329 2006-01-04 Richard Henderson <rth@redhat.com>
13331 Merge from gomp branch:
13332 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13333 via integer constant.
13334 (pragma_lex): Remove.
13335 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13336 rather than parsing it.
13337 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13338 handle_pragma_extern_prefix): Add %< %> quotes.
13339 (registered_pragmas): New.
13340 (c_register_pragma_1): New.
13341 (c_register_pragma): Use it.
13342 (c_register_pragma_with_expansion): Likewise.
13343 (c_invoke_pragma_handler): New.
13344 (init_pragma): Use cpp_register_deferred_pragma directly for
13346 * c-pragma.h (enum pragma_kind): New.
13347 (pragma_handler): New.
13348 (c_invoke_pragma_handler): Declare.
13349 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13351 * c-common.h (c_common_pch_pragma): Update decl.
13352 * Makefile.in (c-parser.o): Update dependencies.
13353 (GTFILES): Add c-pragma.h.
13354 * c-parser.c (struct c_token): Add pragma_kind.
13355 (struct c_parser): Add in_pragma.
13356 (c_lex_one_token): Always initialize keyword and pragma_kind.
13357 Extract data for CPP_PRAGMA.
13358 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13359 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13360 Don't allow CPP_PRAGMA_EOL if in_pragma.
13361 (c_parser_consume_pragma): New.
13362 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13363 (c_parser_skip_to_end_of_parameter): Likewise.
13364 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13365 (c_parser_skip_to_pragma_eol): New.
13366 (c_parser_external_declaration): Handle CPP_PRAGMA.
13367 (c_parser_compound_statement_nostart): Likewise.
13368 (c_parser_statement_after_labels): Likewise.
13369 (c_parser_pragma): New.
13370 (pragma_lex): Likewise.
13371 (c_parser_pragma_pch_preprocess): New.
13372 (c_parser_new): Merge into ...
13373 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13375 2006-01-04 Jeff Law <law@redhat.com>
13378 * tree-cfg.c (bsi_replace): Remove the original statement
13379 from the EH throw statement table.
13381 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13383 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13384 make the prototype extern "C" and add throw ().
13387 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13388 and pos non-negative and pos + len <= 32.
13389 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13390 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13391 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13394 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13395 as well as sizes not multiple of component size.
13398 * function.c (instantiate_expr): New function.
13399 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13400 walk its DECL_VALUE_EXPR with instantiate_expr.
13402 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13403 DW_OP_deref{,_size} if address isn't going to be added.
13405 2006-01-04 Ben Elliston <bje@au.ibm.com>
13407 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13408 * config/fp-bit.c: Likewise.
13410 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13412 * dominance.c: Add comment about why we use DFS numbering
13415 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13416 Richard Henderson <rth@redhat.com>
13418 Merge from gomp-branch:
13419 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13420 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13422 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13424 PR rtl-optimization/25578
13425 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13426 pass a parameter to simplify_shift_const if changing ASHIFTRT
13429 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13431 * builtins.c (get_builtin_sync_mem): New function.
13432 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13433 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13434 Call get_builtin_sync_mem to generate mem rtx.
13436 2006-01-03 Richard Guenther <rguenther@suse.de>
13439 * stmt.c (add_case_node): Make sure to clear overflow flags
13442 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13444 Merge from gomp-branch.
13445 * config/sparc/sync.md: New file.
13446 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13447 UNSPECV_LDSTUB): New constants.
13448 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13449 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13450 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13453 2006-01-03 Roger Sayle <roger@eyesopen.com>
13455 * combine.c (reg_subword_p): New predicate to test whether the
13456 destination of a set refers to a subword/piece of a register.
13457 (try_combine): Generalize the code to merge the setting of a
13458 pseudo to a constant followed by a set of a subword of that
13459 register to a constant.
13461 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13463 * basic-block.h (control_flow_graph): Change the type of
13464 x_label_to_block_map to VEC(basic_block,gc) *.
13465 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13466 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13468 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13469 VEC(basic_block,heap) *.
13470 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13471 ssa_prop_fini): Adjust the uses of cfg_blocks.
13473 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13475 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13477 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13478 hashing trees instead of a pointer hash.
13479 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13480 compare for MEM_EXPR.
13482 PR rtl-optimization/25130
13483 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13484 when comparing MEMs for GCSE
13486 2006-01-03 Ben Elliston <bje@au.ibm.com>
13488 * targhooks.h (default_decimal_float_supported_p): Declare.
13489 * targhooks.c (default_decimal_float_supported_p): Define.
13490 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13491 `default_decimal_float_supported_p'.
13492 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13494 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13496 * combine.c (apply_distributive_law <SUBREG>): Check
13497 TRULY_NOOP_TRUNCATION.
13499 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13501 * dwarf2out.c (have_switched_text_section): Delete.
13502 (have_multiple_function_sections): New.
13503 (have_location_lists): Make 'bool'.
13504 (add_AT_loc_list): Use 'true' not '1'.
13505 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13506 (output_loc_list): Use have_multiple_function_sections.
13507 (output_ranges): Likewise.
13508 (dwarf2out_begin_function): Set have_multiple_function_sections if
13510 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13511 Check function_section rather than DECL_SECTION_NAME.
13512 (dwarf2out_finish): Use have_multiple_function_sections.
13513 Don't clear have_location_lists.
13515 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13516 Jan Hubicka <jh@suse.cz>
13518 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13519 case of conditional jump jumping to the next instruction.
13520 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13521 cases of conditional jump jumping to the next instruction.
13523 2006-01-02 Jan Hubicka <jh@suse.cz>
13525 * i386.c (*_cost): Add COSTS_N_INSNS.
13526 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13528 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13531 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13533 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13535 * config/arm/arm.c (all_fpus): Fix comment typo.
13536 * config/darwin.c: Likewise.
13537 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13538 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13539 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13541 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13543 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13544 (rs6000_split_compare_and_swapqhi): New.
13545 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13546 (sync_compare_and_swapqhi_internal): New.
13547 * config/rs6000/rs6000-protos.h: Declare.