1 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3 * function.c (reorder_fix_fragments): Delete.
4 (reorder_blocks): Don't call it.
5 (reorder_blocks_1): Put all subblocks under the origin block.
7 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9 PR rtl-optimization/27907
10 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
13 2006-07-25 Roger Sayle <roger@eyesopen.com>
16 * convert.c (convert_to_integer): When transforming (T)foo(x) into
17 bar(x) check that bar's result type can represent all the values of T.
19 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
21 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
23 2006-07-25 Nick Clifton <nickc@redhat.com>
25 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
27 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
28 (ggc_pch_count_object): Likewise.
29 (ggc_pch_alloc_object): Likewise.
30 (ggc_pch_write_object): Likewise.
31 (init_ggc): Do not attempt to initialize entries in the
32 size_lookup[] array for objects whose size is greater than than
33 the length of the array.
35 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
37 * dbxout.c (output_used_types_helper): Push queued types
39 (output_types_sort): New.
40 (output_used_types): Collect used types on a VEC and sort them
43 2006-07-24 Richard Guenther <rguenther@suse.de>
46 * cgraph.c (cgraph_remove_node): Do not check if dumps
48 * cgraphunit.c (cgraph_optimize): Likewise.
50 2006-07-24 Jan Hubicka <jh@suse.cz>
52 PR rtl-optimization/28071
53 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
54 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
55 splitting before first stmt.
57 2006-07-24 Jan Hubicka <jh@suse.cz>
59 PR rtl-optimization/28071
60 * ipa-inline.c (update_caller_keys): Remove edges that
61 are no longer inline candidates.
63 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
66 * dbxout.c (output_used_types_helper, output_used_types): New.
67 (dbxout_symbol): Call output_used_types.
69 2006-07-23 Jan Hubicka <jh@suse.cz>
73 * cgraph.c (cgraph_varpool_nodes): Export.
74 (decide_is_variable_needed): Ignored "used" attribute in
76 * cgraph.h (cgraph_varpool_nodes): Declare.
77 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
80 2006-07-23 Roger Sayle <roger@eyesopen.com>
83 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
84 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
85 the __gthrw form of thr_keycreate.
86 (__gthread_key_delete): Silence the unused argument warning.
88 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
91 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
92 Cache the last found '\0' marker to avoid quadratic behavior.
94 2006-07-23 Jan Hubicka <jh@suse.cz>
96 * i386.md (subsi_3_zext): Fix output template.
98 2006-07-21 Mike Stump <mrs@apple.com>
100 * doc/invoke.texi (C++ Dialect Options): Note that
101 -fvisibility-inlines-hidden doesn't affect explicitly
102 instantiationed inline methods.
104 2006-07-20 Roger Sayle <roger@eyesopen.com>
106 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
107 if the target assembler is GNU binutils' gas.
108 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
109 whether to pass GNU gas or native as command line options.
111 2006-07-20 Jason Merrill <jason@redhat.com>
113 * tree.c (remove_attribute): New fn.
114 * tree.h: Declare it.
116 2006-07-20 Paul Brook <paul@codesourcery.com>
119 * cse.c (cse_insn): Add destination addresses to hash table. Check if
120 they are invalidated by this instruction.
122 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
125 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
127 2006-07-20 Eric Christopher <echristo@apple.com>
130 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
132 2006-07-19 Eric Christopher <echristo@apple.com>
134 * config/t-slibgcc-darwin (stmp-lipo): Remove.
135 Rewrite dependencies for libgcc_s.1.dylib.
137 2006-07-19 Jakub Jelinek <jakub@redhat.com>
139 * except.c (duplicate_eh_regions_1): Clear next_peer.
141 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
143 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
144 -mlongcall does not guarantee all calls will be long.
145 * doc/extend.texi (long_call/short_call): Document that longcall
146 does not guarantee a long call will be used.
147 (longcall/shortcall): Likewise.
149 2006-07-18 Roger Sayle <roger@eyesopen.com>
152 * expmed.c (expand_shift): Additionally check that the shift_cost
153 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
154 before implementing a LSHIFT_EXPR as a sequence of additions.
155 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
156 middle-end that DImode shifts need to be synthesized by expand.
158 2006-07-18 Diego Novillo <dnovillo@redhat.com>
161 * tree-ssa-operands.c (access_can_touch_variable): Update
163 Return true if ALIAS is .GLOBAL_VAR.
165 2006-07-18 David Daney <ddaney@avtrex.com>
167 * gcc.c (display_help): Fix typo in help text.
169 2006-07-18 Olivier Hainque <hainque@adacore.com>
171 * tree.h (categorize_ctor_elements): Adjust prototype and add
172 descriptive comment, both in accordance with the interface change
174 * varasm.c (constructor_static_from_elts_p): New function.
175 Whether a constructor node is a valid static constant initializer
176 if all its elements are.
177 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
178 * output.h: Declare it.
179 * expr.c (categorize_ctor_elements_1): Return whether the constructor
180 is a valid constant initializer instead of computing the number of
181 non-constant elements. Use constructor_static_from_elts_p for this
182 purpose. Replace the head comment with an indication that this is a
183 helper for categorize_ctor_elements.
184 (categorize_ctor_elements): Same interface change as for the _1
185 helper. Former head comment from this helper moved here, adjusted to
186 account for the interface changes.
187 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
188 (all_zeros_p): Likewise.
189 * gimplify.c (gimplify_init_constructor): Decide whether we can make
190 static versions of the constructor from the categorize_ctor_elements
191 return value instead of the formerly computed number of non-constant
194 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
196 * configure: Regenerate.
197 * Makefile.in (build_libsubdir): New configure substitution
198 (build_libobjdir): New variable.
199 (BUILD_LIBIBERTY): Use it.
201 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
204 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
206 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
209 * c-common.c (handle_weakref_attribute): Ignore attribute in
210 the same conditions the alias attribute is ignored.
212 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
214 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
215 (dbxout_begin_prologue): Increment scope_labelno.
217 2006-07-17 Richard Henderson <rth@redhat.com>
220 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
223 2006-07-17 Roger Sayle <roger@eyesopen.com>
224 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
226 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
227 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
228 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
229 functions such as sbrk, write, etc.. Add function prototypes.
230 Convert function declarations from K&R to ISO C. Cast pointers
231 to "long" and "unsigned long" instead of "int" and "unsigned int".
232 Convert tokens following #endif into comments.
234 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
236 * invoke.texi: Remove mention of f77; Reformat table for
237 inline parameter options correctly; mention that -malign-double
238 is default on x86-64 targets.
240 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
242 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
243 (convert_affine_scev, chrec_convert_aggressive): Use
244 avoid_arithmetics_in_type_p. Do not check for the subtypes
247 2006-07-17 Richard Sandiford <richard@codesourcery.com>
250 * optabs.c (expand_doubleword_shift): Wrap the call to
251 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
253 2006-07-17 Richard Sandiford <richard@codesourcery.com>
256 * optabs.c (expand_binop): Pass next_methods rather than methods
257 to expand_doubleword_shift.
259 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
262 * tree.h (dump_addr): Declare.
263 * print-tree.c (dump_addr): New function.
264 (print_node_brief, print_node): Use it.
265 * print-rtl.c (print_rtx): Likewise.
266 * common.opt (-fdump-noaddr): New option.
267 * doc/invoke.texi (-fdump-noaddr): Document.
268 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
269 (ve_info_hash): Likewise.
271 2006-07-13 Andrew Haley <aph@redhat.com>
273 PR tree-optimization/19505
274 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
275 edge leaving this block, make sure that the destination of this
276 block has only one predecessor.
278 2006-07-17 Richard Guenther <rguenther@suse.de>
280 PR tree-optimization/28238
281 * tree-inline.c (copy_bb): Check if we produced valid
282 gimple copying and substituting a stmt. If not, gimplify
285 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
287 * optabs.c (maybe_encapsulate_block): New function extracted from...
288 (emit_libcall_block): ...here. Invoke it on the block of insns to
289 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
290 (emit_no_conflict_block): Likewise.
292 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
294 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
296 2006-07-15 Roger Sayle <roger@eyesopen.com>
298 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
299 a new NOP_EXPR case of the switch statement.
301 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
304 * stor-layout.c (place_field): Take the bit field with
305 an excessive size into account in the ms-bitfiled case.
308 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
309 the previous bit field.
311 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
314 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
316 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
318 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
319 signal frames correctly even when the signal was installed with
322 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
324 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
325 (dbxout_function_end): Use local label LFBB. Remove hook
327 (dbxout_source_line): Use local label LFBB.
328 (dbxout_block): Likewise.
329 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
330 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
331 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
334 2006-07-13 Janis Johnson <janis187@us.ibm.com>
336 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
338 2006-07-13 Jan Hubicka <jh@suse.cz>
340 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
342 * output.h (align_variable): Declare.
343 * varasm.c (align_variable): Export.
344 * value-prof.c (tree_value_profile_transformations): Recompute iterator
345 when basic block changed.
347 2006-07-13 Nick Clifton <nickc@redhat.com>
349 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
350 walking the LOG_LINKS chain.
352 2006-07-12 Geoffrey Keating <geoffk@apple.com>
354 * doc/invoke.texi (C++ Dialect Options): Explain difference
355 between -fvisibility-inlines-hidden and setting hidden
356 visibility explicitly.
358 2006-07-12 Eric Christopher <echristo@apple.com>
360 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
361 (stmp-lipo): Depend on libgcc.a.
363 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
365 * tree.c: Fix a comment typo.
367 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
369 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
371 (umulhisi3_r): Likewise.
373 2006-07-12 Paolo Carlini <pcarlini@suse.de>
376 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
377 x < 19, vs wchar_t support.
379 2006-07-12 Nick Clifton <nickc@redhat.com>
381 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
384 2006-07-12 Mike Stump <mrs@apple.com>
386 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
388 2006-07-10 Eric Christopher <echristo@apple.com>
390 * config/t-slibgcc-darwin: Rewrite.
392 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
395 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
398 2006-07-08 Matthias Klose <doko@debian.org>
400 * doc/sourcebuild.texi: Fix typo.
402 2006-07-07 Mike Stump <mrs@apple.com>
404 * toplev.c (process_options): Don't give -ffunction-sections may
405 affect debugging warning for Mach-O.
407 2006-07-07 James E Wilson <wilson@specifix.com>
409 * config/mips/mips.md (cpu): Add sb1a.
410 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
411 addition to sb1. Adjust comments to clarify SB-1A differences from
413 (ir_sb1a_load): New. Modify bypasses to use it.
414 (ir_sb1a_simple_alu): Likewise.
415 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
416 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
417 (mips_issue_rate): Add PROCESSOR_SB1A.
418 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
419 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
420 (TARGET_SB1): Add PROCESSOR_SB1A check.
421 (TUNE_SB1): Likewise.
423 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
424 * config/mips/mips.c (mips_store_data_bypass_p): New.
425 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
428 2006-07-08 Paul Brook <paul@codesourcery.com>
431 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
433 2006-07-07 Richard Guenther <rguenther@suse.de>
436 * tree.h (build_one_cst): Declare.
437 * tree.c (build_one_cst): New function.
438 * tree-ssa-math-opts.c (get_constant_one): Remove.
439 (insert_reciprocals): Use build_one_cst.
440 * fold-const.c (fold_plusminus_mult): Likewise.
442 2006-07-07 Roger Sayle <roger@eyesopen.com>
444 * pointer-set.c (pointer_set_destroy): Correct whitespace.
445 * cfgloopanal.c (dump_graph): Likewise.
446 * dojump.c (discard_pending_stack_adjust): Likewise.
447 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
449 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
450 * function.c (finalize_block_changes): Likewise.
451 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
452 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
453 * rtl.c (dump_rtx_statistics): Likewise.
454 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
456 * varray.c (dump_varray_statistics): Likewise.
457 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
458 decode_decimal64, encode_decimal128, decode_decimal128,
459 decimal_real_to_decimal): Likewise.
461 2006-07-07 Richard Guenther <rguenther@suse.de>
463 PR tree-optimization/28187
464 * tree-vrp.c (vrp_operand_equal_p): New function.
465 (vrp_bitmap_equal_p): Likewise.
466 (update_value_range): Use them to compare old and new
469 2006-07-06 Roger Sayle <roger@eyesopen.com>
471 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
472 a default case to switch statement to silence compiler warnings.
474 2006-07-06 Roger Sayle <roger@eyesopen.com>
477 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
478 the configured assembler supports the x87's ffreep mnemonic.
479 * configure: Regenerate.
480 * config.in: Regenerate.
482 * config/i386/i386.c (output_387_ffreep): New function.
483 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
484 (output_387_reg_move): Likewise.
486 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
488 Port to hosts whose 'sort' and 'tail' implementations
489 treat operands with leading '+' as file names, as POSIX
490 has required since 2001. However, make sure the code still
491 works on pre-POSIX hosts.
492 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
493 which says you should use "tail -c +N" rather than "tail +Nc".
494 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
496 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
498 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
501 2006-07-06 David Edelsohn <edelsohn@gnu.org>
504 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
505 PRE_{INC,DEC} of TFmode.
507 2006-07-06 David Edelsohn <edelsohn@gnu.org>
508 Alan Modra <amodra@bigpond.net.au>
511 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
514 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
517 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
518 Remove duplicate gtu.
520 2006-07-05 Jason Merrill <jason@redhat.com>
524 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
525 * c-common.c (handle_packed_attribute): So don't copy it here.
526 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
528 2006-07-05 Mike Stump <mrs@apple.com>
530 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
532 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
535 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
537 2006-07-05 Richard Guenther <rguenther@suse.de>
540 * config/i386/i386.md (*negdf2_1): Restrict pattern to
541 TARGET_SSE2 targets if using SSE math.
542 (*absdf2_1): Likewise.
544 2006-07-05 Richard Guenther <rguenther@suse.de>
546 PR tree-optimization/28162
547 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
548 make sure to convert the operands to the correct type.
550 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
552 PR tree-optimization/28218
554 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
555 to calculate and free the dominator information.
557 2006-07-04 Peter O'Gorman <peter@pogma.com>
559 * mklibgcc.in: chmod 644 before ranlib during install.
561 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
562 J"orn Rennecke <joern.rennecke@st.com>
564 * configure.ac (.eh_frame data check): Use diff -b.
566 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
569 * Makefile.in (BUILD_RTL): Add build/vec.o.
570 (build/gencondmd.o): Filter out -fkeep-inline-functions.
571 (build/genextract): Delete.
572 (build/genautomata): Likewise.
574 2006-07-04 Alan Modra <amodra@bigpond.net.au>
577 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
578 128-bit IBM long doubles for ABI_V4.
580 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
582 * tree.c (range_in_array_bounds_p): New predicate.
583 * tree.h (range_in_array_bounds_p): Declare it.
584 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
585 return a less conservative answer.
586 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
588 (IS_ELEMENT_FOR_GROUP): New macro.
589 (FOR_EACH_ACTUAL_CHILD): Likewise.
590 (next_child_for_group): New helper function.
591 (can_completely_scalarize_p): Take into account groups.
592 (sra_hash_tree): Handle RANGE_EXPR.
593 (sra_elt_eq): Likewise.
594 (lookup_element): Be prepared for handling groups.
595 (is_valid_const_index): Delete.
596 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
597 instead of is_valid_const_index.
598 <ARRAY_RANGE_REF>: New case.
599 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
600 is_valid_const_index.
601 <ARRAY_RANGE_REF>: Do not unconditionally punt.
602 (scan_dump): Dump info for groups too.
603 (decide_instantiation_1): Likewise.
604 (decide_block_copy): Assert that the element is not a group.
605 Propagate decision to groups.
606 (generate_one_element_ref): Handle RANGE_EXPR.
607 (mark_no_warning): Iterate over actual childs.
608 (generate_copy_inout): Likewise.
609 (generate_element_copy): Likewise.
610 (generate_element_zero): Likewise.
611 (generate_element_init_1): Likewise.
612 (dump_sra_elt_name): Handle RANGE_EXPR.
614 2006-07-03 Roger Sayle <roger@eyesopen.com>
616 PR tree-optimization/26251
617 * tree-ssa-threadupdate.c (redirection_block_p): New function.
618 (thread_block): When optimizing for size refuse to thread jumps
619 that would require duplication of blocks other than redirection
622 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
624 * configure.ac: Fix thinko in previous check-in.
625 * configure: Regenerate.
627 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
630 * configure.ac (for lang...): Simplify nesting of conditionals.
631 Test subdir_requires for non-enabled languages. Move processing
632 of lang_opt_files and lang_tree_fiels below that test.
633 * configure: Regenerate.
634 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
636 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
638 * doc/gcov.texi (Invoking Gcov): Add a missing word.
640 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
642 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
645 2006-06-29 Jason Merrill <jason@redhat.com>
652 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
653 * c-common.c (c_determine_visibility): Handle it here.
654 * c-decl.c (finish_decl): Call c_determine_visibility for
656 * flags.h (enum symbol_visibility): Sort from most to least visibility.
658 * varasm.c (default_assemble_visibility): Likewise.
659 * c-common.c (handle_visibility_attribute): Complain about trying
660 to give visibility to an already defined class, or trying to change
661 declared visibility. Always attach the attribute.
666 * attribs.c (decl_attributes): Ignore type-in-place attributes
667 once the type has been defined.
669 2006-06-29 Roger Sayle <roger@eyesopen.com>
672 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
673 to indicate the cpplib has issued an error message for us.
675 2006-06-29 Asher Langton <langton2@llnl.gov>
678 * config/i386/i386.c (ix86_output_function_epilogue): Don't
679 insert a label at the end of an function under Mach-O.
681 2006-06-29 Eric Christopher <echristo@apple.com>
682 Evan Cheng <evan.cheng@apple.com>
684 * predicates.md (vector_all_ones_operand): New.
685 (nonimmediate_or_sse_const_operand): Ditto.
686 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
687 * config/i386/i386.c (standard_sse_constant_opcode): Define.
688 (standard_sse_mode_p): Ditto.
689 (standard_sse_constant_p): Add case for -1 vector.
690 (ix86_expand_vector_move): Try to use.
691 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
692 Call standard_sse_constant_opcode.
693 (*movv4sf_internal): Ditto.
694 (*movv2df_internal): Ditto.
696 2006-06-29 Roger Sayle <roger@eyesopen.com>
698 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
699 of XEXP to extract the operands of a MATCH_CODE rtx.
701 2006-06-28 Andrew Pinski <pinskia@gmail.com>
703 * tree.c (tree_size): Do not waste tail padding in
704 struct tree_string and make the size be the same as
705 build_string will generate.
707 2006-06-28 Jason Merrill <jason@redhat.com>
710 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
711 may_aliases already in the tag's annotations to the bitmap.
713 2006-06-28 Roger Sayle <roger@eyesopen.com>
715 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
717 2006-06-28 Roger Sayle <roger@eyesopen.com>
719 * genpreds.c (generate_switch_p): New function.
720 (add_mode_tests): Push the new mode test down inside an AND expr
721 if this allows the switch-suitable MATCH_CODE to be near the root.
722 (write_match_code_switch): New function to write a MATCH_CODE as
724 (write_predicate_stmts): New function to write a predicate RTX
725 expression as a sequence of statements.
726 (write_one_predicate_function): Use write_predicate_stmts.
727 (write_tm_constrs_h): Likewise.
729 2006-06-26 Fred Fish <fnf@specifix.com>
731 * config/mips/t-sb1: New file.
732 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
735 2006-06-26 DJ Delorie <dj@redhat.com>
737 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
739 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
740 Jayant Sonar <jayants@kpitcummins.com>
741 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
743 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
744 (subsi3, subsi3_1, subsi3_2): New.
745 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
746 * config/m32c/mov.md (SI mov peephole): New.
747 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
748 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
750 2006-06-26 Olivier Hainque <hainque@adacore.com>
752 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
753 a CALL_EXPR target function declaration.
755 2006-06-26 Richard Guenther <rguenther@suse.de>
757 * tree.c (build_string): Do not waste tail padding in
760 2006-06-26 Richard Guenther <rguenther@suse.de>
762 * ggc-page.c (init_ggc): Add missing element to size_lookup
766 2006-06-23 Richard Guenther <rguenther@suse.de>
768 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
769 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
770 alignment requests instead. Add verification code.
771 Add struct tree_function_decl and struct tree_binfo size to
772 extra_order_size_table. Add missing element to size_lookup
775 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
778 * fold-const.c (const_binop): Be prepared for self returning zero.
779 Simplify code handling complex values.
781 2006-06-24 Olivier Hainque <hainque@adacore.com>
783 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
784 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
787 2006-06-24 Olivier Hainque <hainque@adacore.com>
789 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
790 ARRAY_REF, so have the callback called for the low bound expression.
792 2006-06-23 Janis Johnson <janis187@us.ibm.com>
794 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
795 * c-typeck.c (c_common_type): Disallow operations on decimal float
796 types and other float types.
797 * convert.c (convert_to_real): Don't ignore conversions involving
800 2006-06-23 Olivier Hainque <hainque@adacore.com>
802 * tree.c (max_int_size_in_bytes): New function, inspired from
803 code in function.c:assign_temp.
804 * tree.h (max_int_size_in_bytes): Declare.
805 * function.c (assign_temp): Use it.
806 * gimplify.c (create_tmp_var): Relax the assertions on the type
807 properties, not mandating constant size any more.
808 (force_constant_size): New static function.
809 (gimple_add_tmp_var): Use it, forcing variable size to a
810 constant upper bound if it is not constant on entry.
812 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
815 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
816 for initialization and setting of one_only flag to ...
817 (i386_pe_encode_section_info): ...here.
818 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
819 Recheck that the symbol has not been defined.
821 2006-06-23 Richard Guenther <rguenther@suse.de>
823 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
824 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
825 alignment requests instead. Add verification code.
826 Add struct tree_function_decl and struct tree_binfo size to
827 extra_order_size_table. Add missing element to size_lookup
830 2006-06-22 Roger Sayle <roger@eyesopen.com>
831 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
834 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
835 call to lang_hooks.types.type_for_mode returned NULL_TREE.
837 2006-06-23 Ben Elliston <bje@au.ibm.com>
839 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
840 negate dn -- manipulate it directly.
842 2006-06-22 Roger Sayle <roger@eyesopen.com>
843 Steven Bosscher <stevenb.gcc@gmail.com>
846 * reload1.c (gen_reload): Call mark_jump_label on the new insns
847 generated by gen_move_insn to add REG_LABEL notes if necessary.
849 2006-06-22 Bob Wilson <bob.wilson@acm.org>
851 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
852 (leaf_entry): Remove use of MIN_ESA.
854 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
856 PR rtl-optimization/28121
857 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
860 2006-06-21 DJ Delorie <dj@redhat.com>
862 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
864 (mulhisi3_r): Likewise.
866 2006-06-21 Richard Sandiford <richard@codesourcery.com>
869 * coverage.c (coverage_counter_alloc): Leave the index type
871 (coverage_counter_alloc): Use null arguments for operands 2 and 3
874 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
876 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
877 section from the "Options for Code Generation Conventions".
879 2006-06-21 Richard Henderson <rth@redhat.com>
883 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
885 (global_symbolic_operand): Allow weak symbols, even if local_p.
887 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
889 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
890 (find_interesting_uses_address): Punt if above function returns true.
892 2006-06-21 Richard Guenther <rguenther@suse.de>
894 * configure: Regenerated.
896 2006-06-21 Joseph Myers <joseph@codesourcery.com>
898 * config/mips/mips.c (function_arg): Where one part of a
899 complex argument is in registers and the other part in the stack,
900 return a REG not a PARALLEL.
902 2006-06-21 Mark Mitchell <mark@codesourcery.com>
904 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
905 when cross-compiling. Do not substitute libstdcxx_incdir.
906 * configure: Regenerated.
908 2006-06-21 Jakub Jelinek <jakub@redhat.com>
910 * varasm.c (mergeable_string_section): Check for embedded NULs and
911 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
912 rather than TREE_STRING_LENGTH bytes.
914 2006-06-21 Richard Guenther <rguenther@suse.de>
916 * ggc-page.c (extra_order_size_table): Add var_ann_d,
917 tree_ssa_name, bitmap_element and phi_node with 4 arguments
920 2006-06-21 Richrad Guenther <rguenther@suse.de>
922 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
923 Limit iteration over the dominators.
925 2006-06-20 Roger Sayle <roger@eyesopen.com>
927 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
928 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
930 2006-06-20 Richard Guenther <rguenther@suse.de>
931 Michael Matz <matz@suse.de>
933 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
935 * alloc-pool.c (free_alloc_pool_if_empty): New function.
936 * et-forest.h (et_free_pools): Prototype new function.
937 * et-forest.c (et_free_tree_force): Free parent occurrence.
938 (et_free_pools): New function.
939 * dominance.c (free_dominance_info): Free et-forest alloc
942 2006-06-20 Roger Sayle <roger@eyesopen.com>
944 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
945 integer modes, attempt to directly construct an integer constant.
947 * fold-const.c (native_encode_vector): Determine the size of each
948 element from the vector type instead of the first vector element.
950 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
951 if all of its elements/components are constant.
952 (build_constructor_from_list): Likewise.
954 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
956 PR tree-optimization/27331
957 * tree-data-ref.c (free_data_ref): New function.
958 (create_data_ref): Fail if the data reference has unknown access
960 (free_data_refs): Use free_data_ref.
962 2006-06-19 Andrew Pinski <pinskia@gmail.com>
965 * tree-inline.c (setup_one_parameter): Strip useless
966 type conversion before adding it to the IR.
967 (declare_return_variable): Likewise.
969 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
972 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
974 2006-06-19 Mike Stump <mrs@apple.com>
976 * tree.c (variably_modified_type_p): VM arguments don't make the
979 2006-06-19 Richard Guenther <rguenther@suse.de>
981 * tree-ssa-pre.c (try_combine_conversion): Strip useless
982 type conversions after folding.
984 2006-06-19 Richard Guenther <rguenther@suse.de>
986 * ggc-page.c (extra_order_size_tab): Add entries with
987 size of struct function and basic_block.
988 (size_lookup): Extend to cover sizes up to 511.
989 (ggc_alloc_stat): Adjust user.
990 (ggc_pch_count_object): Likewise.
991 (ggc_pch_alloc_object): Likewise.
992 (ggc_pch_write_object): Likewise.
994 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
996 * tree-ssa-loop-niter.c (implies_ge_p): New function.
997 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1000 2006-06-19 Denis Chertykov <denisc@overta.ru>
1002 * config/avr/libgcc.S : Correct my wrong previous commit.
1004 2006-06-19 Roger Sayle <roger@eyesopen.com>
1007 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1008 have stripped a SUBREG from the shift count, so we may need to
1009 convert_to_mode back to the type's mode before calling make_tree.
1010 Use new_amount instead of amount to avoid expanding a tree twice.
1012 2006-06-19 Richard Guenther <rguenther@suse.de>
1015 * fold-const.c (operand_equal_p): Check if the argument types
1016 have the same precision before stripping NOPs.
1018 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1020 Fix PR tree-optimization/27341
1021 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1023 * tree-complex.c (pass_lower_complex): Update SMT usage.
1025 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1027 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1028 Add a new alternative to the constraint strings. Add move of
1029 operand 1 to 3 to the splitter definition.
1030 ("doloop_si_long"): Second contraint alternative removed.
1032 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1034 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1035 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1037 (AVR_HAVE_MOVW) Define.
1038 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1039 (ASM_SPEC): Add avr25.
1040 (LINK_SPEC): Add avr25.
1041 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1042 (base_arch_s): Add new member 'have_movw_lpmx'.
1043 (avr_arch_types): Init 'have_movw_lpmx'.
1044 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1045 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1046 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1047 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1048 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1050 (avr_file_start): Do not output '.arh' derective.
1051 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1052 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1053 * config/avr/avr.md (mcu_enhanced): Delete.
1054 (mcu_have_movw): Define.
1055 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1056 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1057 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1058 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1059 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1060 attiny861 and at86rf401 devices.
1062 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1064 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1067 2006-06-17 Karl Berry <karl@gnu.org>
1069 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1070 doc/gccint.texi, doc/install.texi (@dircategory): Use
1071 "Software development" instead of "Programming", following
1072 the Free Software Directory.
1074 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1076 * config/i386/i386.c (legitimate_tls_address)
1077 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1078 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1079 (*tls_dynamic_gnu2_combine_64): Likewise.
1081 2006-06-16 Richard Guenther <rguenther@suse.de>
1084 * fold-const.c (negate_expr_p): Do not introduce undefined
1085 overflow in negating INTEGER_CSTs.
1086 (fold_negate_expr): Rename from negate_expr. Revert last
1087 change for folding BIT_NOT_EXPR. Change semantics to
1088 return NULL_TREE for non-simplified negations. Do not
1089 strip type conversions and unify type handling.
1090 (negate_expr): New function, wrap around fold_negate_expr
1091 but ensure building a tree always. Strip type conversions
1092 here, fold to result type.
1093 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1095 2006-06-16 Roger Sayle <roger@eyesopen.com>
1098 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1099 that (would) return their results in stack registers.
1101 2006-06-16 Michael Matz <matz@suse.de>
1102 Richard Guenther <rguenther@suse.de>
1104 * fold-const.c (fold_truthop): Only return new tree node if
1105 we canonicalized something.
1107 2006-06-16 Richard Guenther <rguenther@suse.de>
1109 * function.h (enum function_frequency): Move declaration
1110 out of struct function.
1111 (struct function): Move bool fields and the enum to the bitfield
1112 section. Reorder elements to avoid padding. Remove unused
1113 fields left over from the RTL inliner removal.
1114 * function.c (free_after_compilation): Do not zero removed fields.
1115 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1116 (ipa-type-escape.o): Likewise.
1118 2006-06-16 Richard Guenther <rguenther@suse.de>
1120 * cgraph.h (struct cgraph_local_info): Turn bool elements
1122 (struct cgraph_node): Likewise.
1123 (struct cgraph_varpool_node): Likewise.
1125 2006-06-15 Richard Guenther <rguenther@suse.de>
1127 * fold-const.c (fold_truth_not_expr): Rename from
1128 invert_truthvalue. Give it fold_* semantics to avoid
1130 (invert_truthvalue): New function. Wrapper around
1131 fold_truth_not_expr.
1132 (optimize_minmax_comparison): Avoid creating garbage.
1133 (fold_unary): Use fold_truth_not_expr for folding
1135 (fold_ternary): Replace uses of invert_truthvalue with
1136 fold_truth_not_expr where applicable.
1137 * tree.h (fold_truth_not_expr): Prototype.
1139 2006-06-16 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/27781
1142 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1143 * ipa-pure-const.c (target.h): Include.
1144 (analyze_function): Do not analyze functions that do not
1147 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1150 * tree-dfa.c (referenced_vars_dup_list): Remove.
1151 (find_referenced_vars): Remove assert.
1152 (referenced_var_check_and_insert): Replace dup list with assert.
1153 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1154 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1156 2006-06-15 Richard Guenther <rguenther@suse.de>
1158 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1159 extra unused identifiers if not dumping.
1160 (create_variable_info_for): Likewise.
1162 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1164 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1165 (derive_constant_upper_bound): Derive more precise upper bound in
1166 common cases. Return type changed to double_int.
1167 (record_estimate): Reflect the changed return type of
1168 derive_constant_upper_bound.
1169 * double-int.c (double_int_zext, double_int_sext): Fix.
1171 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1173 * configure.ac (CFLAGS): Get them from the toplevel or from the
1174 configure invocation.
1175 * configure: Regenerate.
1176 * Makefile.in (CFLAGS): Substitute value provided by configure.
1178 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1181 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1182 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1183 rather than calling add_stmt on it.
1184 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1186 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1189 * reload1.c (reload): Remove registers returned by update_eliminables
1190 from used_spill_regs.
1192 2006-06-13 DJ Delorie <dj@redhat.com>
1194 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1196 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1198 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1199 html__strip_dir, html__mkdir_p. Enhance install-html target.
1200 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1201 * configure: Regenerate.
1203 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1205 * fold-const.c (fold_cond_expr_with_comparison): Check for
1206 Objective-C++ as language in deciding COND_EXPR transformation.
1208 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1211 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1212 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1213 * config/sh/lib1funcs.h (SL, SL1): Define.
1214 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1215 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1216 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1217 (OBJS_Os_4_200): New variable.
1218 ($(T)libgcc-Os-4-200.a): Use it.
1219 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1220 when dividing 1 and/or by 0.
1222 2006-06-13 Roger Sayle <roger@eyesopen.com>
1224 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1225 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1226 * configure: Regenerate.
1228 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1230 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1231 for real instruction.
1233 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1236 * haifa-sched.c (check_cfg): Handle special case.
1238 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1241 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1242 Add debug_info parameter. Chain the vars to the BLOCK instead
1243 of the BIND_EXPR if debug info are requested for them.
1244 (pop_gimplify_context): Adjust for above change.
1245 (gimple_add_tmp_var): Likewise.
1246 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1248 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1249 (convert_local_reference): Likewise.
1250 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1251 (finalize_nesting_tree_1): Request that debug info be emitted
1252 for debug_var_chain.
1254 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1256 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1257 for PR target/27863.
1259 2006-06-13 Richard Guenther <rguenther@suse.de>
1262 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1264 2006-06-13 Richard Guenther <rguenther@suse.de>
1266 PR tree-optimization/27830
1267 * tree-inline.c (copy_body_r): For copying the operand
1268 of an ADDR_EXPR make sure to fold &* afterwards.
1270 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1272 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1273 lvalues in the fb_none case with side-effects.
1275 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1277 * tree-flow.h: Remove the prototype for
1278 compute_phi_arg_on_exit.
1279 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1280 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1283 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1285 * builtins.c (expand_builtin_return_addr): Only use
1286 frame_pointer_rtx when count == 0 and we are expanding
1287 __builtin_return_address.
1289 2006-06-12 Fred Fish <fnf@specifix.com>
1291 * config/mips/mips.c (mips_file_start): Create special section
1292 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1294 2006-06-11 Eric Christopher <echristo@apple.com>
1297 * stor-layout.c (place_field): Remove check for
1298 remaining_in_alignment when aligning at the end of a run.
1300 2006-06-11 Eric Christopher <echristo@apple.com>
1303 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1306 2006-06-11 Roger Sayle <roger@eyesopen.com>
1309 Revert incorrect fix for PR target/27158
1310 2006-05-08 Roger Sayle <roger@eyesopen.com>
1311 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1312 of a reg_equiv_constant if the result is a legitimate constant.
1314 2006-06-11 Roger Sayle <roger@eyesopen.com>
1317 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1318 extract a CONST_VECTOR element and interpret it as an integer.
1319 (vspltis_constant): Use const_vector_elt_as_int instead of the
1320 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1321 * config/rs6000/predicates.md (easy_vector_const): Consider
1322 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1324 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1327 * stor-layout.c (update_alignment_for_field): Don't add extra
1328 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1331 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1333 * config/mips/t-rtems: Add EL/EB multilib variants.
1335 2006-06-09 Mike Stump <mrs@apple.com>
1337 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1339 2006-06-09 David Daney <ddaney@avtrex.com>
1341 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1343 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1345 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1347 2006-06-09 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/26998
1350 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1351 of signed types, only TYPE_MIN_VALUE is special, but for both,
1352 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1353 in this case, as is -fwrapv.
1355 2006-06-08 Mike Stump <mrs@apple.com>
1358 * config/darwin.c (darwin_asm_output_anchor): Disable
1359 -fsection-anchors on darwin for now.
1360 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1361 * rs6000/rs6000.c (optimization_options): Likewise.
1363 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1366 * config/i386/i386.c (classify_argument): Skip fields with invalid
1369 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1371 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1372 (cse_insn): Likewise for the stack_pointer_rtx.
1374 2006-06-08 Roger Sayle <roger@eyesopen.com>
1376 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1377 conditions from floating point comparisons.
1379 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1382 * expmed.c (struct alg_hash_entry): Fix type of field T
1383 to match synth_mult argument.
1384 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1386 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1389 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1392 2006-06-08 Richard Guenther <rguenther@suse.de>
1395 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1396 only, if overflow is defined and not trapping.
1397 (negate_expr): Likewise.
1399 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1401 PR tree-optimization/27872
1402 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1403 flag on the new exit edge of the unrolled loop.
1405 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1407 PR rtl-optimization/26449
1408 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1410 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1413 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1414 referenced_variables with matching DECL_UID's.
1415 (find_referenced_vars): Make sure duplicate list is empty to start.
1416 (referenced_var_p): Remove.
1417 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1418 Check if var is in the list, and add if needed. Update the duplicate
1419 list if a different var is in the list with the same DECL_UID.
1420 (add_referenced_var): Call routine to check and insert.
1421 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1422 * tree-flow.h (referenced_vars_dup_list): External declaration.
1424 2006-06-07 Fred Fish <fnf@specifix.com>
1426 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1429 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1432 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1433 the imaginary and real parts of a clobbered register.
1434 Emit insn to set the imaginary part.
1436 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1438 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1439 in lieu of unwind-dw2-fde.c.
1441 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1443 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1445 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1448 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1449 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1450 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1451 V4SImode temporaries and operations instead.
1453 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1455 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1458 2006-06-06 Mike Stump <mrs@apple.com>
1460 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1461 installing during build.
1463 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1465 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1467 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1468 * config/ia64/ia64.c (params.h): New header.
1469 (ia64_optimization_options): New function to adjust parameters.
1470 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1471 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1472 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1474 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1476 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1478 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1481 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1483 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1484 Victor Kaplansky <victork@il.ibm.com>
1486 PR tree-optimization/26360
1487 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1490 2006-06-04 Roger Sayle <roger@eyesopen.com>
1491 Andrew Pinski <pinskia@physics.uc.edu>
1494 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1495 for LABEL_DECL before calling DECL_WEAK.
1498 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1499 LABEL_DECL and PARM_DECL.
1501 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1505 * c-decl.c (grokdeclarator): Disallow variably modified types at
1506 file scope. Avoid marking shared array type of constant size as
1509 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1512 * c-common.c (fold_offsetof_1): Handle static members.
1514 2006-06-04 Eric Christopher <echristo@apple.com>
1516 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1517 (debug_rli): Output value for remaining_in_alignment.
1518 (update_alignment_for_field): Unconditionalize
1519 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1520 extra alignment code.
1521 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1522 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1523 * tree.h (record_layout_info_s): Remove prev_packed.
1524 * doc/extend.texi (ms_struct): Add documentation of format.
1526 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1528 * tree.h: Declare folding_initializer.
1529 * builtins.c (fold_builtin_constant_p): Give definite answer
1530 if folding inside an initializer.
1531 * fold-const.c: Define folding_initializer.
1532 (START_FOLD_INIT): Save and then set folding_initializer.
1533 (END_FOLD_INIT): Restore folding_initializer.
1535 2006-06-04 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/27039
1538 * fold-const.c (fold_comparison): Handle pointer comparison
1539 again for all comparison codes. Compare offsets in signed
1541 (fold_binary): Move code from here.
1543 2006-06-03 Roger Sayle <roger@eyesopen.com>
1546 * config/i386/i386.c (construct_container): Split static issued_error
1547 flag into issued_sse_arg_error, issued_sse_ret_error and
1548 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1549 requires the use of x87 registers and the user explicitly
1550 specified the -mno-80387 command line option.
1552 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1554 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1555 HAVE_DECL_SIGALTSTACK.
1557 (segv_handler): Use MC_FLD.
1558 * configure.ac: Check for a sigaltstack declaration.
1559 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1560 * configure: Regenerate.
1561 * config.in: Regenerate.
1563 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1566 * Makefile.in (stmp-fixinc): Fix typo.
1568 2006-06-02 Roger Sayle <roger@eyesopen.com>
1570 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1571 are type correct. Clean-up.
1572 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1573 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1575 2006-06-01 DJ Delorie <dj@redhat.com>
1577 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1578 shift, as we've disabled the "switch" insn that needs it.
1580 2006-06-01 Per Bothner <bothner@bothner.com>
1582 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1583 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1584 * c-ppoutput.c (cb_define): Don't increment line 0.
1586 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1588 * doc/invoke.texi: Add cpu_type power6.
1589 * config.gcc: Add cpu_type power6.
1590 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1591 to power5+ with Altivec.
1592 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1593 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1595 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1597 * config/avr/avr.h (SET_ASM_OP): Define.
1599 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1601 * config/bfin/bfin.c: Fix comment typos.
1603 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1606 * doc/install.texi: Document --enable-bootstrap and
1607 --disable-bootstrap.
1609 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1611 * doc/install.texi: Document that InfoZIP can replace jar.
1613 2006-05-31 Roger Sayle <roger@eyesopen.com>
1615 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1616 isn't available, directly generate the simpler x87 patterns without
1617 the (use (const_int 0)).
1618 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1619 implementation isn't available.
1620 (*negdf2_1): Likewise.
1621 (*negxf2_1): XF mode negation is always done using the x87.
1622 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1624 2006-05-31 Roger Sayle <roger@eyesopen.com>
1626 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1627 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1629 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1631 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1633 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1634 * config/bfin/bfin.c (basic-block.h): Include.
1635 (struct machine_function): New.
1636 (bfin_init_machine_status): New.
1637 (override_options): Initialize init_machine_status.
1638 (bfin_hardware_loop): New.
1639 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1640 (DEF_VEC_P (loop_info)): New.
1641 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1642 (struct loop_info): New.
1643 (loop_info): New typedef.
1644 (struct loop_work): New.
1645 (loop_work): New typedef.
1646 (DEF_VEC_O (loop_work)): New.
1647 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1648 (bfin_dump_loops): New.
1649 (bfin_bb_in_loop): New.
1650 (bfin_scan_loop): New.
1651 (bfin_optimize_loop): New.
1652 (bfin_reorg_loops): New.
1653 (bfin_reorg): Use bfin_reorg_loops.
1654 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1656 (I_REGNO_P): Simplify.
1657 (DP_REGNO_P, DPREG_P): New macros.
1658 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1659 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1660 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1661 Add LT_REGS, LC_REGS, LB_REGS.
1662 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1664 (REGNO_REG_CLASS): Deal with loop registers.
1665 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1667 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1668 New constants for loop registers.
1669 (UNSPEC_LSETUP_END): New.
1670 (seq_insns): New define_attr. Set it for appropriate insns.
1671 (movsi_insn): Add alternatives for move from/to
1672 loop count registers.
1673 (doloop_end): New define_expand.
1674 (loop_end): New define_insn.
1675 (define_split for bad doloop_end): New.
1676 (lsetup_with_autoinit): New define_insn.
1677 (lsetup_without_autoinit): New define_insn.
1678 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1679 * config/bfin/predicates.md (lc_register_operand): New.
1680 (lt_register_operand): New.
1681 (lb_register_operand): New.
1682 (nondp_register_operand): New.
1683 (nondp_reg_or_memory_operand): New.
1684 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1686 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1688 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1689 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1691 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1693 * Makefile.in (CATALOGS): Add po/ prefix.
1694 * configure: Regenerated.
1696 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1699 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1700 a shift operand before calling shift_op. Avoid redundant call of
1703 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1704 DJ Delorie <dj@redhat.com>
1706 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1707 we're inserting is a singlt-bit constant.
1709 2006-05-30 Roger Sayle <roger@eyesopen.com>
1711 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1712 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1714 2006-05-30 Roger Sayle <roger@eyesopen.com>
1716 PR tree-optimization/23452
1717 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1718 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1719 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1720 complex values and with -ffast-math for FP complex values.
1722 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1724 * c-common.h: Remove the prototype for yyparse.
1725 * rtl.h: Remove the prototype for init_loop.
1727 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1729 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1732 2006-05-30 Roger Sayle <roger@eyesopen.com>
1734 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1736 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1737 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1739 2006-05-30 Dirk Mueller <dmueller@suse.de>
1742 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1743 for CONSTANT_CLASS_P expresisons.
1745 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1748 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1750 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1752 PR tree-optimization/27779
1753 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1754 initial_condition instead of CHREC_LEFT.
1756 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1758 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1759 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1760 Make prototypes ISO C90.
1762 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1763 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1765 * see.c (see_analyze_one_def): Correct check.
1766 (see_get_extension_data): Check if extension is parallel.
1767 (see_get_extension_reg): Likewise.
1769 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1772 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1773 into register for (code == GTU).
1775 2006-05-29 Roger Sayle <roger@eyesopen.com>
1777 PR tree-optimization/24964
1778 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1779 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1780 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1781 abs(x)*abs(x) as x*x for scalar floating point modes.
1783 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1786 * lambda-code.c (perfect_nestify): Don't copy statements
1787 in the inner loop: move them to the inner loop header.
1789 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1792 * c-tree.texi: Document OpenMP directives and clauses.
1794 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1796 * varasm.c (globalize_decl): Fix indentation.
1798 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1801 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1802 pass_fre, pass_store_ccp, pass_copy_prop,
1803 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1804 pass_return_slot, pass_object_size, pass_lim,
1805 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1806 pass_loop_prefetch and pass_stdarg.
1808 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1810 * config/bfin/bfin.opt (mfdpic): New option.
1811 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1812 (EXTRA_MULTILIB_PARTS): Likewise.
1813 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1814 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1816 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1817 (CRT_CALL_STATIC_FUNCTION): New.
1818 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1820 (CRT_CALL_STATIC_FUNCTION): New.
1821 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1823 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1824 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1825 (initialize_trampoline): Changed to handle FD-PIC code generation.
1826 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1827 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1828 (override_options): Disallow -mid-shared-library -mfdpic combination.
1829 Can't do unaligned ops if FD-PIC.
1830 Turn off flag_pic if trying to generate non-id-shared-library
1831 non-fdpic code, since it's not supported.
1832 (bfin_assemble_integer): New function.
1833 (TARGET_ASM_INTEGER): Define.
1834 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1836 * config/bfin/crtn.s: Restore them.
1837 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1839 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1840 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1841 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1842 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1843 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1845 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1846 FDPIC_REGS and FDPIC_FPTR_REGS.
1847 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1848 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1849 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1850 (load_funcdescsi): New pattern.
1851 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1852 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1853 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1855 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1857 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1860 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1862 * tree-flow.h: Remove the prototype for add_type_alias.
1863 * tree-ssa-alias.c (add_type_alias): Remove.
1865 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1867 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1868 config/fr30/fr30.md, config/i386/i386-interix.h,
1869 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1870 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1871 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1872 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1873 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1874 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1875 Follow spelling conventions.
1876 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1877 Follow spelling conventions.
1879 2006-05-27 Richard Guenther <rguenther@suse.de>
1882 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1883 to produce a constant of value 1 of generic type.
1885 2006-05-27 Dirk Mueller <dmueller@suse.de>
1887 * cgraphunit.c (decide_is_function_needed): Fix wrong
1890 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1892 PR rtl-optimization/27661
1893 * reload.c (find_reloads): When reloading a VOIDmode constant
1894 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1895 use Pmode as mode of the reload register.
1897 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1899 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1900 is enabled at -O and above.
1902 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1905 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1908 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1911 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1912 for anonymous variables explicitly declared by front ends.
1914 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1916 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1917 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1918 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1919 ref-all pointers, run a finalization pass for them.
1920 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1921 (finalize_ref_all_pointers): New function.
1922 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1923 regular pointer type to a ref-all pointer type.
1924 (get_tmt_for): Return the special memory tag for ref-all pointers.
1926 2006-05-25 Richard Guenther <rguenther@suse.de>
1929 * fold-const.c (fold_binary): Do not look at the stripped
1930 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1932 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1934 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1935 for LT and GT if the computed range is effectively empty.
1937 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1940 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1941 mips_quad_format formats instead of ieee_single_format,
1942 ieee_double_format and ieee_quad_format formats, respectively.
1944 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1946 PR tree-optimization/27639
1947 PR tree-optimization/26719
1948 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1949 call to scev_probably_wraps_p.
1950 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1951 used_in_pointer_arithmetic_p, convert_step): Removed.
1952 (nowrap_type_p): New function.
1953 (scev_probably_wraps_p): Rewritten.
1954 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1955 chrec_convert if chrec_convert_aggressive might have been used.
1956 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1957 scev_direction): New functions.
1958 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1959 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1960 instead of convert_step.
1961 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1962 (convert_step): Declaration removed.
1963 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1965 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1967 * df-core.c: Added to header comments.
1968 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1969 df_ur_bb_info, df_urec_bb_info): Added comments.
1970 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1971 urec, ri problems): Fixed header comments.
1972 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1973 code from df_rd_transfer_function.
1975 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1977 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1978 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1979 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1981 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1983 * expr.c (undefined_operand_subword_p): New.
1984 (emit_move_multi_word): Do not generate move from undefined bits
1985 of a paradoxical subreg.
1987 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1989 PR rtl-optimization/27736
1990 * combine.c (replaced_rhs_value): New variable.
1991 (combine_instructions): Set it.
1992 (distribute_notes): When distributing a note in replaced_rhs_insn,
1993 check whether the value was used in replaced_rhs_value.
1995 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1998 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1999 add_referenced_var instead of add_referenced_tmp_var.
2000 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2001 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2003 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2004 tree_optimize_tail_calls_1): Use add_referenced_var.
2005 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2006 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2007 Use add_referenced_var.
2008 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2009 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2010 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2011 Use add_referenced_var.
2012 * tree-dfa.c (struct walk_state): Remove.
2013 (find_referenced_vars): Remove walk state and vars_found hash table.
2014 (make_rename_temp): Use add_referenced_var.
2015 (find_vars_r): Pass less parameters to add_referenced_var.
2016 (referenced_var_p): New. Is var in referenced_var hash table.
2017 (referenced_var_insert): Assert var isn't already in hash table.
2018 (add_referenced_var): Don't need walk_state parameter. Add var if it
2019 isn't already in the hash table.
2020 (add_referenced_tmp_var): Remove.
2021 (find_new_referenced_vars_1): Use add_referenced_var.
2022 * tree-ssa-pre.c (create_expression_by_pieces,
2023 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2024 Use add_referenced_var.
2025 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2026 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2027 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2029 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2030 vect_create_data_ref_ptr, vect_create_destination_var,
2031 vect_init_vector, vect_build_loop_niters,
2032 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2033 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2034 Use add_referenced_var.
2035 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2036 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2037 (add_referenced_var): Add prototype.
2038 * tree-ssa-structalias.c (get_constraint_for,
2039 intra_create_variable_infos): Use add_referenced_var.
2041 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2043 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2044 big-endian paradoxical subregs.
2045 * var-tracking.c (struct micro_operation_def): Document that,
2046 for modify micro operations, insn is the subsequent instruction.
2047 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2048 (var_reg_set, var_mem_set): ... new functions.
2049 (add_stores): Record subsequent insn.
2050 (compute_bb_dataflow): Use new functions for MO_USE.
2051 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2052 notes after the insn, and modify notes before the insn known
2053 to be the subsequent one.
2054 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2056 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2059 * config/i386/i386.c (ix86_expand_builtin): Use
2060 gen_sse3_monitor64 for TARGET_64BIT.
2062 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2064 PR rtl-optimization/26375
2065 PR rtl-optimization/26855
2066 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2068 (df_ru_bb_local_compute): Reversed statements and removed bogus
2069 comment explaining why they should be in wrong order.
2070 (df_ru_dump, df_rd_dump): Enhanced debug info.
2071 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2073 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2074 reaching uses and fixed space problem.
2076 2006-05-23 Jan Hubicka <jh@suse.cz>
2078 * cgraphunit.c (decide_is_function_needed): Also nested functions
2079 and functions declared inline can be optimized out at -O0.
2081 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2083 * doc/install.texi (Configuration): Remove reference to CrossGCC
2087 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2090 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2091 ix86_compare_emitted is non-NULL.
2093 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2096 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2099 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2101 PR rtl-optimization/25514
2102 * combine.c (replaced_rhs_insn): New variable.
2103 (combine_instructions): Set replaced_rhs_insn when trying to replace
2104 a SET_SRC with a REG_EQUAL note.
2105 (distribute_notes): Use replaced_rhs_insn when determining the live
2106 range of a REG_DEAD register.
2108 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2109 Anatoly Sokolov <aesok@post.ru>
2111 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2112 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2113 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2114 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2115 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2116 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2117 at90usb647, at90usb1286 and at90usb1287 devices.
2118 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2119 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2121 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2123 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2125 2006-05-22 Richard Guenther <rguenther@suse.de>
2128 2006-01-31 Richard Guenther <rguenther@suse.de>
2129 Paolo Bonzini <bonzini@gnu.org>
2131 * doc/install.texi (--disable-libgcc-math): Document.
2133 2006-05-22 Richard Guenther <rguenther@suse.de>
2136 2006-01-31 Richard Guenther <rguenther@suse.de>
2138 * doc/invoke.texi (-msselibm): Document.
2139 * target.h (expand_library_builtin): New target hook.
2140 * builtins.c (expand_builtin): Use expand_library_builtin.
2141 (default_expand_library_builtin): New function.
2142 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2143 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2144 (link_gcc_math_spec): Declare.
2145 (static_specs): Add link_gcc_math_spec.
2146 * expr.h (default_expand_library_builtin): Declare.
2147 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2148 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2149 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2150 * config/i386/i386.opt (msselibm): New target option.
2151 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2152 (ix86_init_sse_abi_builtins): New function.
2153 (ix86_expand_library_builtin): Likewise.
2154 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2155 (override_options): Handle error conditions wrt -msselibm.
2156 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2157 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2158 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2161 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2164 * c-common.c (self_promoting_args_p): Skip erroneous args.
2167 * c-decl.c (finish_struct): Skip erroneous fields.
2169 2006-05-22 Nick Clifton <nickc@redhat.com>
2171 * config/cris/cris.opt (march): Remove VarExists attribute.
2172 (max-stackframe=): Likewise.
2174 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2176 * doc/rtl.texi: Fix a typo.
2177 * see.c: Fix comment typos.
2179 * tree-ssa-structalias.h (alias_info): Remove num_references.
2181 2006-05-21 Mike Stump <mrs@apple.com>
2183 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2185 (darwin_pragma_options): Use BAD instead.
2186 (darwin_pragma_unused): Likewise.
2187 (darwin_pragma_ms_struct): Likewise.
2189 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2191 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2193 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2195 PR rtl-optimization/27671
2196 * simplify-rtx.c (simplify_relational_operation_1): Fix
2197 simplifications of (eq/ne (xor x y) y) and
2198 (eq/ne (xor x y) x).
2200 PR tree-optimization/26622.
2201 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2204 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2206 * tree-cfg.c: Prune whitespace.
2207 (debug_tree_cfg): Point to correct header containing the
2210 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2213 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2215 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2218 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2219 or sorry count is non zero.
2221 2006-05-20 Andreas Schwab <schwab@suse.de>
2223 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2225 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2226 Kenneth Zadeck <zadeck@naturalbridge.com>
2228 PR rtl-optimization/26855
2230 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2232 (df_scan_alloc): Added code to properly handle multiword hard
2233 registers and add all_blocks parameter.
2234 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2235 code to properly handle multiword hard registers.
2236 (df_rescan_blocks): Added code to remove deleted blocks from
2238 (df_ref_create_structure, df_ref_record): Added code to properly
2240 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2241 and set DF_REF_PARTIAL.
2242 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2243 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2244 (df_scan_add_problem): Added flags parameter.
2245 (df_ref_create_structure): Changed switching structure.
2246 (df_bb_refs_record): Fixed case where duplicate artificial refs
2247 were created. Changed location of flags.
2248 (df_record_entry_block_defs): Added code to make stack pointer
2249 live in entry block. Refined cases where frame pointer is needed.
2250 Changed location of flags.
2251 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2252 (df_set_state): Removed function.
2253 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2254 df_insn_create_insn_record, df_insn_refs_delete,
2255 df_ref_create_structure): Formatting changes.
2256 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2257 df_delete_basic_block): New function.
2258 (df_init): Changed location of flags.
2259 (df_add_problem): Added flags parameter and the way flags are
2261 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2262 debug_df_chain): Improved debugging output.
2263 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2264 (df_refs_chain_dump): Removed df parameter.
2265 (df_iterative_dataflow): Added consistency check.
2266 (df_prune_to_subcfg): Made public.
2267 (df_analyze_problem): Added blocks_to_init parameter and made
2269 (df_ref_record, df_bb_refs_record, df_mark_reg,
2270 df_record_exit_block_uses): Whitespace changes.
2271 (df_dump): Whitespace changes.
2272 * df.h: Some reordering to remove forward references.
2273 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2274 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2275 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2276 (dataflow.flags): New field.
2277 (df.flag): Deleted field.
2278 (df_alloc_function): Added additional bitmap parameter.
2279 (df_dependent_problem_function): New type.
2280 (df_problem.changeable_flags): New field.
2281 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2282 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2283 (df_mw_hardreg): New struct.
2284 (DF_INSN_UID_MWS): New macro.
2285 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2287 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2288 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2289 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2290 (df_set_state): Removed function.
2291 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2292 * df-problems.c (df_chain_dump): Removed df parameter.
2293 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2294 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2296 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2297 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2298 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2299 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2300 DF_REF_MUST_CLOBBER cases.
2301 (df_ru_bb_local_compute_process_def,
2302 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2303 df_lr_bb_local_compute, df_ur_bb_local_compute,
2304 df_chain_create_bb): Made subreg aware.
2305 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2306 df_lr_bb_local_compute, df_lr_bb_local_compute,
2307 df_chain_create_bb): Cleanup to use proper macros.
2308 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2309 code to fixup bitvectors.
2310 (df_ri_alloc): Cleared lifetime.
2311 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2312 df_create_unused_note): New function.
2313 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2314 REG_DEAD and REG_UNUSED notes as well as register information.
2315 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2316 df_chains_dump): Fixed crash if problem was never run.
2317 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2318 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2319 df_ri_add_problem): Processes flags in uniform manner.
2320 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2321 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2322 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2323 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2324 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2325 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2326 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2327 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2328 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2329 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2330 * see.c (see_initialize_data): Ditto.
2331 * final.c (rest_of_clean_state) Added regstack_completed.
2332 * rtl.h (regstack_completed): Ditto.
2333 * reg-stack.c (regstack_completed): Ditto.
2335 2006-05-19 Mike Stump <mrs@apple.com>
2337 * c-tree.h (default_conversion): Remove.
2338 * c-common.h (default_conversion): Add.
2340 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2342 * tree-vrp.c (valid_value_p): New function.
2343 (adjust_range_with_scev): Fail if the value of bound is not
2346 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2348 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2349 (mips_fallback_frame_state): Use syscall numbers to determine
2350 the appropriate li instruction for the current ABI. Only use
2351 __NR_sigreturn for o32.
2353 2006-05-19 Nicolas Setton <setton@adacore.com>
2355 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2356 * langhooks.c (lhd_dwarf_name): New function.
2357 * langhooks-def.h (lhd_dwarf_name): Declare.
2358 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2359 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2360 * ada/misc.c (gnat_dwarf_name): New function.
2361 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2363 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2365 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2367 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2368 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2369 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2370 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2371 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2372 determine the size of Wtype, etc.
2373 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2374 (swfloatfuncs): New variable.
2375 (dwfloatfuncs): Likewise.
2376 (lib2funcs): Remove floating-point conversion functions from
2377 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2378 the set of conversion routines needed. Allow entries to specify
2379 an object name, filename and word size. Update users accordingly.
2380 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2381 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2385 2006-02-08 Roger Sayle <roger@eyesopen.com>
2388 * config/fixtfdi.c: New libgcc source file.
2389 * config/fixunstfdi.c: New source file.
2390 * config/floatditf.c: New source file.
2391 * config/floatunditf.c: New souce file.
2392 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2393 files above instead of config/mips/_tilib.c.
2394 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2396 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2398 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2399 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2401 2006-05-18 Mike Stump <mrs@apple.com>
2403 Fix up vla, vm and [*] sematics.
2409 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2410 (c_vla_unspec_p): Add.
2411 (c_vla_type_p): Add.
2412 * c-decl.c (struct c_scope): Add had_vla_unspec.
2413 (build_array_declarator): Add support for [*].
2414 (grokdeclarator): Likewise.
2415 (grokparms): Likewise.
2416 (get_parm_info): Likewise.
2417 * c-objc-common.c (c_vla_unspec_p): Likewise.
2418 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2419 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2420 typeof when argument is a variably modified type not inside sizeof or alignof.
2421 (c_parser_direct_declarator_inner): Propagate errors.
2422 (c_parser_sizeof_expression): Add support for [*].
2423 (c_parser_parms_declarator): Initialize had_vla_unspec.
2424 (c_parser_parms_list_declarator): Likewise.
2425 * c-typeck.c (c_vla_type_p): Add.
2426 (composite_type): Add support for vla compositing.
2427 (comptypes_internal): Add support for vla compatibility.
2428 (c_expr_sizeof_expr): Evaluate vla arguments.
2429 * tree.c (variably_modified_type_p): Update comment for [*].
2431 2006-05-18 Michael Matz <matz@suse.de>
2434 * config.host: Make assignments to host_xmake_file cumulative.
2435 * config.host (*-darwin*): Test $host, not $target.
2437 2006-05-12 Stuart Hastings <stuart@apple.com>
2439 * config/i386/i386.opt (-mstackrealign): New flag.
2440 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2441 (ix86_handle_cconv_attribute): Emit error when
2442 force_align_arg_pointer attribute collides with too many regparms.
2443 (ix86_function_regparm): Limit regparms when used with
2444 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2445 Support stack-realigning prologue in non-main functions. Emit
2446 warning for nested functions under -mstackrealign, emit error for
2447 nested functions with force_align_arg_pointer attribute.
2448 * doc/extend.texi (force_align_arg_pointer): Document it.
2449 * doc/invoke.texi (-mstackrealign): Document it.
2451 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2453 PR rtl-optimization/27477
2454 * combine.c (try_combine): Don't split a parallel consisting
2455 of two sets into two individual sets if both sets reference
2458 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2460 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2461 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2463 * doc/options.texi (VarExists): Updated.
2465 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2467 * unwind-dw2.c: Add declarations for uw_update_context and
2469 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2470 detected, advance frame state and context once to skip over stub.
2472 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2476 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2477 Call rewrite_into_loop_closed_ssa only when something changed.
2478 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2479 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2480 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2481 Test for perfect_nest_p here. Fix formating.
2482 (replace_uses_equiv_to_x_with_y): Fix formating.
2483 (stmt_uses_op): Removed.
2484 (can_convert_to_perfect_nest): Removed loopivs parameter.
2485 Complete the test by checking the scalar dependences.
2486 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2489 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2492 From Dan Kegel <dank@kegel.com>:
2493 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2495 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2497 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2498 if the element type is variably modified without recursing.
2500 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2503 * tree-loop-linear.c (try_interchange_loops): Test for
2504 no data dependences.
2506 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2508 PR tree-optimization/27548
2509 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2510 range of ssa names that appear on abnormal edges.
2511 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2512 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2514 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2517 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2519 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2522 * tree.h (OMP_PARALLEL_COMBINED): Define.
2523 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2524 (new_omp_context): Add is_combined_parallel argument.
2525 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2526 new_omp_context caller.
2527 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2528 Adjust gimplify_scan_omp_clauses callers.
2529 (omp_is_private): Issue errors if iteration variable is firstprivate
2530 or reduction in the current context.
2531 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2532 on combined parallel workshare constructs.
2534 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2536 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2537 (gcc-options.o): New rule.
2539 * optc-gen.awk: Protect variables for gcc-options.o with
2540 #ifdef GCC_DRIVER/#endif.
2542 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2544 Fix PR tree-optimization/27373
2545 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2546 (forward_propagate_addr_expr): Update call.
2548 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2550 * doc/options.texi: Move the Negative option.
2552 2006-05-16 Richard Guenther <rguenther@suse.de>
2554 PR tree-optimization/22303
2555 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2557 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2558 ccp_fold did not simplify the statement.
2560 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2563 * Makefile.in (GCC_OBJS): New.
2564 (OBJS-common): Add opts-common.o.
2565 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2566 (cpp$(exeext)): Likewise.
2567 (gcc.o): Also depend on opts.h.
2568 (opts-common.o): New.
2570 * common.opt (gcoff): Add Negative(gdwarf-2).
2571 (gdwarf-2): Add Negative(gstabs).
2572 (gstabs): Add Negative(gstabs+).
2573 (gstabs+): Add Negative(gvms).
2574 (gvms): Add Negative(gxcoff).
2575 (gxcoff): Add Negative(gxcoff+).
2576 (gxcoff+): Add Negative(gcoff).
2577 * config/i386/i386.opt (m32): Add Negative(m64).
2578 (m64): Add Negative(m32).
2580 * doc/options.texi: Document the Negative option.
2582 * gcc.c: Include "opts.h".
2583 (main): Call prune_options after expandargv.
2585 * optc-gen.awk: Generate common declarations for all flag
2586 variables in options.c. Output the neg_index field.
2588 * opts.c (find_opt): Moved to ...
2589 * opts-common.c: Here. New file.
2591 * opts.h (cl_option): Add a neg_index field.
2593 (prune_options): Likewise.
2595 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2598 * omp-low.c (expand_omp_parallel): Don't assert
2599 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2600 instead search for it.
2603 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2606 2006-05-16 Andreas Schwab <schwab@suse.de>
2608 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2611 2006-05-15 Roger Sayle <roger@eyesopen.com>
2614 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2615 integer constants other than zero are only legitimate on TARGET_64BIT.
2616 <CONST_VECTOR> Only zero vectors are legitimate.
2617 (ix86_cannot_force_const_mem): Integral and vector constants can
2618 always be put in the constant pool.
2620 2006-05-16 DJ Delorie <dj@redhat.com>
2622 * crtstuff.c (__dso_handle): Set section from
2623 TARGET_LBIGCC_SDATA_SECTION if defined.
2624 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2625 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2627 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2630 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2633 2006-05-16 Ben Elliston <bje@au.ibm.com>
2635 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2637 2006-05-15 Per Bothner <per@bothner.com>
2639 * tree.c: (last_annotated_node): Use source_locus typedef.
2640 This permits bootstrapping with --enable-mapped-location.
2642 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2644 PR tree-optimization/26830
2645 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2646 (info_for_ssa_name, current_info_for_ssa_name_age,
2647 blocks_to_update): New variables.
2648 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2649 (clear_ssa_name_info, initialize_flags_in_bb,
2650 mark_block_for_update): New functions.
2651 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2652 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2653 prepare_def_site_for): Use mark_block_for_update.
2654 (mark_def_interesting): Assert that the processed block is marked in
2655 blocks_to_update. Do not take blocks argument.
2656 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2658 (rewrite_update_init_block, rewrite_update_stmt): Only process
2659 blocks with statements to rewrite.
2660 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2661 (update_ssa): Initialize and free blocks_to_update. Do not
2662 clear flags on statements. Do not use blocks bitmap.
2663 * tree.h (SSA_NAME_AUX): Removed.
2664 (struct tree_ssa_name): Removed aux field.
2665 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2667 2006-05-15 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/27603
2670 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2671 Do computations in original type.
2673 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2675 * see.c: Code style changes such as redundant paranthesis,
2676 redundant intialization of local variables etc.
2677 (see_main): Declared now as static.
2678 * doc/invoke.texi: Update that -fsee is not enabled by
2681 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2683 * omp-low.c (check_omp_nesting_restrictions): New function.
2684 (scan_omp_1): Call it.
2687 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2688 construct, return *VAR.
2690 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2692 PR rtl-optimization/27406
2693 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2696 2006-05-14 Roger Sayle <roger@eyesopen.com>
2698 PR rtl-optimization/27538
2699 * combine.c (expand_compound_operation): Call gen_lowpart
2700 before calling simplify_shift_const.
2702 2006-05-14 Roger Sayle <roger@eyesopen.com>
2704 PR rtl-optimization/22563
2705 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2706 a fixed width bitfield, always force the intermediates into psuedos.
2708 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2711 * mkconfig.sh: Use operator = instead of == for test.
2713 2006-05-13 Nick Clifton <nickc@redhat.com>
2715 * dwarf2out.c (dbx_reg_number): Check return value from
2716 LEAF_REG_REMAP and only use it if it is valid.
2717 (multiple_reg_loc_descriptor): Likewise.
2719 2006-05-13 Richard Guenther <rguenther@suse.de>
2721 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2724 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2726 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2727 information attached to non-INSNs such as NOTEs.
2728 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2730 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2732 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2734 * config/s390/s390.md: Adjust comment describing On constraint.
2736 2006-05-11 Jan Hubicka <jh@suse.cz>
2738 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2739 to be output at -O0.
2741 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2744 * fold-const.c (size_binop): Move sanity check for arguments to
2745 the beginning of the function.
2748 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2751 2006-05-11 Richard Guenther <rguenther@suse.de>
2754 * fold-const.c (fold_unary): Handle intermediate conversion
2755 to a pointer type like intermediate conversion to an integer
2756 type in folding of (T1)(T2)var to var.
2757 Match the code to the comment in the final conversion for
2758 (T1)(T2)var to (T1)var regarding to type precision. Rather
2759 than disallow T1 being of pointer type, assert that both T1
2760 and var are of pointer type or not. Make sure not to fall
2761 over the frontends lazyness wrt array to pointer decay though.
2763 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2765 * arm.c (arm_struct_value_rtx): Delete.
2766 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2767 (arm_init_cumulative_args): Always initialize nregs to zero.
2769 2006-05-10 Richard Guenther <rguenther@suse.de>
2771 PR tree-optimization/27532
2772 * tree-object-size.c (plus_expr_object_size): Fix typo.
2774 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2777 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2778 ashrdi_const, ashrdi3): Use a scratch register.
2780 2006-05-10 Richard Guenther <rguenther@suse.de>
2782 PR tree-optimization/27302
2783 * fold-const.c (operand_equal_p): For two comparisons,
2784 try comparison of one comparison code swapped if that yields
2787 2006-05-10 Ben Elliston <bje@au.ibm.com>
2789 * tree-pretty-print.c (pretty_print_string): No need to handle
2790 '\0' as a special character.
2792 * tree.h: Include "hashtab.h".
2793 (iterative_hash_expr): Use hashval_t in its prototype.
2794 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2796 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2799 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2800 (hppa*64*-*-hpux11*): Ditto.
2801 (hppa[12]*-*-hpux11*): Ditto.
2803 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2806 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2808 2006-05-09 Michael Matz <matz@suse.de>
2810 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2811 host_extra_gcc_objs and host_xmake_file.
2812 (<*-*-linux*>): Don't overwrite host_xmake_file.
2813 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2814 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2815 (host_detect_local_cpu): Declare.
2816 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2817 * config/i386/i386.c (override_options): Handle -mtune=native
2819 * config/i386/x-i386: New file.
2820 * config/i386/driver-i386.c: New file.
2821 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2824 2006-05-09 Dirk Mueller <dmueller@suse.de>
2825 Richard Guenther <rguenther@suse.de>
2828 * fold-const.c (fold_read_from_constant_string): Relax check
2829 for matching types to matching modes.
2831 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2833 PR rtl-optimization/27335
2834 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2837 2006-05-08 Chao-ying Fu <fu@mips.com>
2838 Richard Sandiford <richard@codesourcery.com>
2840 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2841 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2842 * config/mips/mips.md (UNSPEC_SCC): New constant.
2843 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2844 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2845 (mips_emit_compare): Use it.
2846 (mips_expand_vcondv2sf): New function.
2848 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2850 Fix PR tree-optimization/27093
2851 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2852 renaming when they become not-used_alone.
2854 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2856 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2857 relocation and relocation stubs.
2859 2006-05-08 Eric Christopher <echristo@apple.com>
2861 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2864 2006-05-08 Jan Hubicka <jh@suse.cz>
2867 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2868 unused static functions are needed.
2870 2006-05-08 Roger Sayle <roger@eyesopen.com>
2873 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2874 of a reg_equiv_constant if the result is a legitimate constant.
2876 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2879 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2880 standard 80387 constants, raise the cost to prevent
2881 compress_float_constant() to generate load from memory.
2883 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2885 * config/arm/constraints.md (c): Fix a typo.
2887 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2890 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2893 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2895 (_mm_mwait): Likewise.
2897 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2899 (sse3_monitor): Make it 32bit only.
2900 (sse3_monitor64): New. 64bit monitor.
2902 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2905 * config/i386/i386.c (classify_argument): Skip fields with invalid
2908 2006-05-07 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/27409
2911 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2912 Do not try to find zero-sized subvars.
2914 2006-05-07 Richard Guenther <rguenther@suse.de>
2916 PR tree-optimization/27136
2917 * tree-ssa-loop-niter.c (get_val_for): Correct function
2918 comment, assert requirements.
2919 (loop_niter_by_eval): Stop processing if the iterated
2920 value did not simplify.
2922 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2924 * opts.c (flag_see): remove its setting at -O3.
2926 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2928 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2929 * arm/constraints.md: New file.
2930 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2931 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2932 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2933 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2934 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2935 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2936 * arm.md: Include constraints.md.
2937 (thumb_movsi_insn): Use satisfies_constraint_J.
2938 (movhi, movqi): Use satisfies_constraint_I.
2940 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2942 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2943 for atmeg a645 device.
2945 2006-05-06 Richard Guenther <rguenther@suse.de>
2947 PR tree-optimization/27151
2948 * tree-vect-transform.c (vectorizable_condition): Punt on
2949 values that have a different type than the condition.
2951 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2954 * c-parser.c (c_parser_cast_expression): Only insert casts into
2955 hash table if pointer.
2956 * function.c (used_types_insert_helper): Rename from
2958 (used_types_insert): Call used_types_insert_helper.
2959 * function.h (used_types_insert): Accept only one argument.
2961 2006-05-05 David Edelsohn <edesohn@gnu.org>
2963 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2964 scratch with output modifier.
2966 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2969 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2970 with output modifier.
2972 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2975 * config/mips/mips.c (mips_symbolic_address_p): Return true
2976 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2977 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2979 2006-05-04 Richard Guenther <rguenther@suse.de>
2981 PR tree-optimization/14287
2982 PR tree-optimization/14844
2983 PR tree-optimization/19792
2984 PR tree-optimization/21608
2985 PR tree-optimization/27090
2986 * tree-ssa-pre.c (try_combine_conversion): New function.
2987 (compute_avail): After constructing the value-handle
2988 expression, use try_combine_conversion to combine NOP_EXPRs
2989 with previous value-handle expressions and use the result if it
2992 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2994 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2996 2006-05-04 Jan Hubicka <jh@suse.cz>
2999 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3001 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3003 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3004 that this only matches CONST_INTs. All users changed to VOIDmode
3007 * config/bfin/bfin.c: Include "optabs.h".
3008 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3010 (enum bfin_builtins): Add a number of fractional and vector builtins.
3011 (bfin_init_builtins): Likewise.
3012 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3013 (safe_vector_operand, bfin_expand_binop_builtin,
3014 bfin_expand_unop_builtin): New functions.
3015 (bfin_expand_builtin): Handle the new builtins.
3016 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3019 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3022 * Makefile.in (OBJS-common): Add see.o.
3023 (see.o): Add dependencies.
3024 * common.opt (fsee): New flag for the see optimization was added.
3025 * opts.c (flag_see): Initialized.
3026 * passes.c (init_optimization_passes, pass_see): New pass.
3027 * rtl.h (see_main): Declaration as extern.
3028 * timevar.def (TV_SEE): New.
3029 * tree-pass.h (pass_see): Declaration as extern.
3030 * invoke.texi (-fsee): Document.
3031 * recog.c (validate_simplify_insn): New function.
3032 * recog.h (validate_simplify_insn): Declaration as extern.
3033 * df-problems.c (df_chain_dump): Check for NULL.
3035 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3036 Daniel Berlin <dberlin@dberlin.org>
3038 * cfgrtl.c (insert_insn_bb_end_new): New function.
3039 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3041 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3043 * df.h (struct web_entry): Moved from web.c.
3044 (union_defs): Declaration as extern.
3045 (unionfind_root): Likewise.
3046 (unionfind_union): Likewise.
3047 * web.c (struct web_entry): Moved to df.h.
3048 (unionfind_root): Remove static declaration.
3049 (unionfind_union): Likewise.
3050 (union_defs): Likewise and generalize to use callback function.
3051 (web_main): Update arguments for union_defs function call.
3053 2006-05-04 Richard Guenther <rguenther@suse.de>
3055 PR tree-optimization/26447
3056 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3057 produce SSA_NAME copies before the store stmt to avoid
3058 breaking exception handling.
3060 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3063 * gimplify.c (omp_is_private): If var is shared in some outer context,
3064 return false instead of true. Stop searching on parallel context
3067 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3070 * coverage.c: Use get_gcov_unsigned_t() instead of
3071 unsigned_type_node all over.
3073 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3075 PR tree-optimization/27381
3076 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3077 maintain the same immediate_use links.
3078 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3079 node rather than segfaulting.
3081 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3084 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3085 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3086 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3088 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3090 Fix PR tree-optimization/26626
3091 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3093 * tree-ssa-operands.c (access_can_touch_variable): Allow
3094 typecasting through union pointers.
3096 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3099 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3100 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3101 to find if var will be a global variable even in the nested context.
3102 (omp_copy_decl): Only check for global variable at the end, it might
3103 be overridden in outer contexts.
3104 (scan_sharing_clauses): For global variables don't create a field.
3105 (lower_rec_input_clauses): Do nothing for global shared variables.
3106 Emit a barrier at the end of ILIST if there were any decls in both
3107 firstprivate and lastprivate clauses.
3108 (lower_send_clauses): Do nothing for global variables except for
3111 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3113 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3114 of the correct signedness is returned.
3116 2006-05-02 Jeff Law <law@redhat.com>
3118 PR tree-optimization/27364
3119 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3120 multiply expressions.
3122 2006-05-02 Tom Tromey <tromey@redhat.com>
3124 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3126 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3129 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3130 -mthumb -fPIC are used.
3132 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3133 Joshua Kinard <kumba@gentoo.org>
3136 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3137 with 64-bit pointers.
3139 2006-05-02 Paul Brook <paul@codesourcery.com>
3141 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3143 (create_fix_barrier): Check that a suitable barrier location is
3145 (arm_reorg): Include ftmp->address in allowable range of addresses.
3147 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3150 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3153 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3156 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3157 around RESULT_DECL for result passed by reference.
3158 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3159 * omp-low.c (use_pointer_for_field): Don't look at
3160 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3161 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3162 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3163 time or var for passing by reference for
3164 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3165 TREE_ADDRESSABLE variables when passing by reference.
3167 * omp-low.c (dump_omp_region): Fix output formatting.
3170 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3171 (expand_omp_parallel): Likewise.
3172 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3175 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3176 on statement list containing also constructors and destructors.
3177 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3180 * except.c (duplicate_eh_regions): Fix clearing of
3181 cfun->eh->region_array entries.
3183 2006-05-01 DJ Delorie <dj@redhat.com>
3185 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3187 (gcc_cv_objdump): Likewise.
3188 * configure: Regenerated.
3190 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3193 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3194 templates for case 3 and 4.
3196 2006-05-01 DJ Delorie <dj@redhat.com>
3198 * vec.c: Include bconfig.h when appropriate.
3199 * Makefile.in (build/vec.o): Adjust dependencies.
3200 * mkconfig.sh: Make sure config.h isn't used for build machine
3203 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3205 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3207 (mark_phi_for_rewrite): New function.
3208 (insert_phi_nodes_for, mark_use_interesting): Call
3209 mark_phi_for_rewrite.
3210 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3211 (update_ssa): Initialize and free phis_to_rewrite.
3213 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3215 PR rtl-optimization/27291
3216 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3217 folded to a constant.
3219 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3221 PR tree-optimization/27283
3222 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3223 not whole # of iteration descriptions.
3224 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3225 uses abnormal ssa name.
3226 (niter_for_single_dom_exit): Ditto.
3227 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3228 return just the number of iterations.
3230 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3232 PR tree-optimization/27144
3233 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3234 (record_estimate): Only record constant upper bound.
3235 (infer_loop_bounds_from_undefined): Call
3236 compute_estimated_nb_iterations just once.
3237 (proved_non_wrapping_p): Renamed to ...
3238 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3239 (convert_step_widening, scev_probably_wraps_p): Call
3240 n_of_executions_at_most instead of proved_non_wrapping_p.
3241 (substitute_in_loop_info): Do not replace values in bounds.
3242 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3245 2006-05-01 Richard Henderson <rth@redhat.com>
3248 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3249 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3252 2006-05-01 Roger Sayle <roger@eyesopen.com>
3254 * c-typeck.c (parser_build_binary_op): Don't call the function
3255 unsigned_conversion_warning to spot operand/result type overflow.
3256 (build_binary_op): Instead, call convert_and_check instead of
3257 convert to report the problem when the operands are promoted.
3258 * c-common.c (unsigned_conversion_warning): Make static.
3259 * c-common.h (unsigned_conversion_warning): Delete prototype.
3261 2006-05-01 Richard Guenther <rguenther@suse.de>
3263 PR tree-optimization/26726
3264 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3266 (find_interesting_uses_address): ... we work around here
3267 by folding INDIRECT_REFs in the substituted base.
3269 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3271 * omp-low.c (dump_omp_region): Add newlines.
3273 2006-04-30 Roger Sayle <roger@eyesopen.com>
3275 * common.opt (Woverflow): New command line option.
3276 * c-common.c (constant_expression_warning): Check warn_overflow.
3277 (overflow_waring): Pass OPT_Woverflow to warning.
3278 (unsigned_conversion_warning): Likewise.
3279 (convert_and_check): Likewise.
3280 * doc/invoke.texi: Document new command line option.
3282 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3284 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3285 TARGET_NO_FP_IN_TOC for section anchors.
3286 (optimization_options): Enable section anchors for all
3287 non-"Objective" languages.
3289 2006-04-28 Eric Christopher <echristo@apple.com>
3291 * config/darwin-c.c (darwin_ms_struct): Move this
3292 (darwin_set_default_type_attributes): and this...
3293 * config/darwin.c: ... here.
3294 * config/darwin.h (darwin_ms_struct): Declare.
3296 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3300 2006-04-28 Roger Sayle <roger@eyesopen.com>
3303 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3304 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3305 an unsigned HOST_WIDE_INT.
3306 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3308 (really_start_incremental_init): No need to call convert because
3309 bitsize_zero_node is already of type bitsizetype.
3310 (push_init_level): Extract the value of constructor_index as an
3311 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3312 (process_init_element): Likewise.
3314 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3316 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3317 value before passing to make_relative_prefix.
3319 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3322 * builtins.c (expand_builtin_memset): Expand val in original mode.
3324 2006-04-27 Eric Christopher <echristo@apple.com>
3326 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3327 with #ifndef/#endif.
3328 * config/darwin-c.c (darwin_ms_struct): New.
3329 (darwin_pragma_ms_struct): Ditto.
3330 (darwin_set_default_type_attributes): Ditto.
3331 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3332 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3333 Register ms_struct pragma.
3334 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3335 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3336 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3337 darwin_set_default_type_attributes if TARGET_MACHO.
3339 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3341 PR tree-optimization/26854
3342 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3343 * doc/tree-ssa.texi: Update immuse iterator documentation.
3344 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3345 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3346 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3347 first_safe_imm_use, next_safe_imm_use): Remove.
3348 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3349 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3350 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3351 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3352 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3353 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3354 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3355 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3356 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3357 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3358 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3359 (perfect_nestify): Use new iterator.
3360 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3362 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3363 (next_imm_name): New field in struct immediate_use_iterator_d.
3364 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3365 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3366 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3367 * tree-cfg.c (replace_uses_by): Use new iterator.
3368 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3369 * tree-ssa-operands.c (correct_use_link): Remove.
3370 (finalize_ssa_use_ops): No longer call correct_use_link.
3372 2006-04-27 Stuart Hastings <stuart@apple.com>
3374 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3375 * config/t-darwin (crt3.o): Use it.
3376 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3377 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3378 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3379 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3380 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3383 2006-04-27 Roger Sayle <roger@eyesopen.com>
3385 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3386 size, force the intermediate into a new pseudo rather instead of
3387 performing both a bitwise AND and a bitwise IOR in memory.
3389 2006-04-27 Richard Guenther <rguenther@suse.de>
3391 PR rtl-optimization/26685
3392 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3393 this one "max-flow-memory-locations".
3395 2006-04-27 Richard Guenther <rguenther@suse.de>
3397 PR tree-optimization/25148
3398 * tree-vrp.c (compare_values): Remove code dealing with
3399 comparisons against type min/max value. Honour overflow
3400 and negative constants in code dealing with comparisons
3401 of plus and minus expressions.
3402 (value_inside_range): Use fold_binary with LE_EXPR and
3403 GE_EXPR rather than compare_values.
3405 2006-04-27 Dirk Mueller <dmueller@suse.de>
3407 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3410 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3412 * basic-block.h (safe_insert_insn_on_edge): Removed.
3413 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3415 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3416 Paolo Bonzini <bonzini@gnu.org>
3419 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3420 (simplify_and_const_int): Same.
3422 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3424 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3426 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3429 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3430 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3431 cgraph_global_info_ready.
3434 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3437 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3438 either decl or init is error_mark_node.
3441 * tree-flow.h (struct omp_region): Add sched_kind.
3442 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3443 instead of extracting omp for data.
3444 (expand_omp_for): Save extracted sched_kind.
3446 2006-04-25 Roger Sayle <roger@eyesopen.com>
3448 * expmed.c (store_bit_field): Also check whether the bitsize is
3449 valid for the machine's "insv" instruction before moving the
3450 target into a pseudo for use with the insv.
3451 * config/i386/predicates.md (const8_operand): New predicate.
3452 * config/i386/i386.md (extv, extzv, insv): Use the new
3453 const8_operand predicate where appropriate.
3455 2006-04-25 DJ Delorie <dj@redhat.com>
3457 * doc/install.texi (Specific): Clarify that this is not a list of
3458 supported hosts or targets.
3460 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3462 PR rtl-optimization/26725
3463 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3464 block's BB_DIRTY flag.
3466 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3468 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3471 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3472 to print an integer.
3474 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3476 * varasm.c (align_variable): New function.
3477 (get_block_for_decl): Apply align_variable to DECL before
3478 calculating section information.
3479 (assemble_variable): Split out alignment computation.
3481 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3483 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3486 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3488 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3489 MODE_PARTIAL_INT mode.
3490 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3491 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3493 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3494 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3496 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3498 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3500 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3501 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3502 MACFLAG_IH): Likewise.
3503 (movstricthi_1): Renamed from "*movstricthi".
3504 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3505 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3506 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3507 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3508 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3509 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3510 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3511 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3512 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3513 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3514 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3515 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3516 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3517 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3518 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3520 * doc/rtl.texi (ss_ashift): Improve wording.
3522 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3524 * dwarf2out.c (verify_marks_clear): New.
3525 (prune_unused_types): Call verify_marks_clear initially, not
3528 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3530 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3531 * doc/rtl.texi: Document them.
3532 * simplify-rtx.c (simplify_unary_operation,
3533 simplify_binary_operation_1): Don't abort when we see them.
3535 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3538 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3539 * configure.ac: Completely disregard languages that are not
3541 * configure: Regenerated.
3543 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3544 Richard Guenther <rguenther@suse.de>
3546 PR tree-optimization/27236
3547 * tree-inline.c (copy_body_r): Make sure to copy
3548 TREE_THIS_VOLATILE flag.
3550 2006-04-24 Richard Guenther <rguenther@suse.de>
3553 * tree-complex.c (update_parameter_components): Don't handle
3554 unused parameters which have no default def.
3556 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3557 Richard Guenther <rguenther@suse.de>
3559 PR tree-optimization/27218
3560 * tree-inline.c (expand_call_inline): Strip useless type
3561 conversions for the return slot address.
3563 2006-04-24 Richard Guenther <rguenther@suse.de>
3565 * cfgloop.h (struct loops): Remove unused field array. Reorder
3567 (LOOP_PREFETCH): Remove.
3569 2006-04-24 Richard Guenther <rguenther@suse.de>
3571 PR tree-optimization/22525
3572 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3573 variable, adjust types of generated expressions.
3575 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3577 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3578 (tree-vect-patterns.o): Likewise.
3580 (cselib.o): Likewise.
3581 (loop-doloop.o): Likewise.
3582 (regclass.o): Likewise.
3583 (reload1.o): Likewise.
3584 (explow.o): Replace target.h with $(TARGET_H).
3585 (ipa-prop.o): Likewise.
3586 (ipa-cp.o): Likewise.
3587 (ipa-inline.o): Likewise.
3588 (reorg.o): Likewise.
3589 (reg-stack.o): Likewise.
3591 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3593 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3595 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3597 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3599 * configure.ac: Completely disregard languages that are not
3601 * configure: Regenerated.
3604 * c-common.h (c_build_bitfield_integer_type): Declare.
3605 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3606 * c-common.c (c_build_bitfield_integer_type): ... here.
3608 2006-04-23 Roger Sayle <roger@eyesopen.com>
3611 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3612 a SImode SUBREG of a floating point register after no_new_pseudos.
3614 2006-04-23 Roger Sayle <roger@eyesopen.com>
3616 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3617 identify potentially eliminable registers to additionally catch
3618 VIRTUAL_INCOMING_ARGS_REGNUM.
3619 (addsi3): Update the conditions on when to use addsi_small_int.
3621 2006-04-23 Roger Sayle <roger@eyesopen.com>
3624 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3625 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3626 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3628 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3630 * fold-const.c (range_predecessor): Use operand_equal_p
3631 as the predicate for equality.
3632 (range_successor): Likewise.
3634 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3637 * config/soft-fp/op-common.h: Fix a typo.
3639 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3642 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3643 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3645 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3647 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3649 * doc/tm.texi: Fix a typo.
3651 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3653 * dwarf2out.c (struct die_struct): Document that die_sib makes
3654 a circular linked list.
3655 (FOR_EACH_CHILD): New.
3656 (reverse_die_lists): Delete.
3657 (reverse_all_dies): Delete.
3658 (add_dwarf_attr): Correct documentation.
3659 (remove_child_with_prev): New.
3660 (remove_child_TAG): Update for change to die_struct, use
3661 remove_child_with_prev.
3662 (add_child_die): Update for change to die_struct.
3663 (splice_child_die): Use remove_child_with_prev and add_child_die.
3664 (print_die): Use FOR_EACH_CHILD.
3665 (die_checksum): Likewise.
3666 (assign_symbol_names): Likewise.
3667 (output_location_lists): Likewise.
3668 (build_abbrev_table): Likewise.
3669 (calc_die_sizes): Likewise.
3670 (mark_dies): Likewise.
3671 (unmark_dies): Likewise.
3672 (unmark_all_dies): Likewise.
3673 (output_die): Likewise.
3674 (prune_unused_types_mark): Likewise.
3675 (prune_unused_types_walk): Likewise.
3676 (same_die_p): Update for change to die_struct.
3677 (break_out_includes): Likewise.
3678 (prune_unused_types_prune): Likewise.
3679 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3680 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3682 (dwarf2out_finish): Don't call reverse_all_dies.
3684 2006-04-21 Eric Christopher <echristo@apple.com>
3686 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3687 in comments and function names.
3689 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3692 * c-typeck.c (digest_init): Robustify.
3694 * c-typeck.c (pop_init_level): Simplify.
3696 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3698 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3700 2006-04-21 Paul Brook <paul@codesourcery.com>
3702 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3703 hardware floating point.
3705 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3707 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3710 2006-04-21 Nick Clifton <nickc@redhat.com>
3712 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3715 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3718 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3719 C++ lang type in traceback table for Objective-C++.
3721 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3723 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3725 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3727 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3730 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3731 were errors. Remove check for erroneous objects.
3733 2006-04-20 Jeff Law <law@redhat.com>
3735 PR tree-optimization/26854
3736 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3737 checking for zero or one use.
3738 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3739 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3740 * tree-ssa-reassoc.c (negate_value): Similarly.
3741 (reassociate_bb): Similarly.
3743 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3745 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3746 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3747 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3749 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3751 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3752 fp regs if the last fp arg doesn't fit in regs.
3754 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3757 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3758 that the last insn has the REG_INC note.
3760 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3761 Nathan Sidwell <nathan@codesourcery.com>
3764 * stor-layout.c (update_alignment_for_field): Do not align
3766 (place_union_field): Place union field at the start of the union.
3767 (place_field): Move ERROR_MARK check later, and use the current
3768 allocation position to maintain monotonicity.
3770 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3772 * dominance.c: Include timevar.h.
3773 (calculate_dominance_info): Use TV_DOMINANCE.
3774 * timevar.def (TV_DOMINANCE): New timevar.
3775 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3777 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3779 PR rtl-optimization/14261
3780 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3781 move would be an INSV insn.
3782 (noce_process_if_block): Don't optimize if the destination is a
3783 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3785 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3787 * config/s390/s390.md: Add comments with the instructions emitted
3788 by an insn pattern if macros are used.
3790 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3792 PR rtl-optimization/26026
3793 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3794 is a known power of two shifted left a variable amount.
3796 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3798 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3799 to hash table twice when the debug_str section has SECTION_MERGE.
3801 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3803 * config/soft-fp: New directory. From glibc.
3804 * config/soft-fp/t-softfp: New.
3805 * config/soft-fp/README: New.
3806 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3807 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3808 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3809 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3810 * config.gcc: Use rs6000/t-fprules-fpbit or
3811 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3813 * config/rs6000/sfp-machine.h: New. Based on glibc.
3814 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3816 * config/rs6000/t-fprules: Remove fp-bit rules.
3817 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3818 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3819 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3820 (softfp_wrap_start, softfp_wrap_end): New.
3822 2006-04-18 DJ Delorie <dj@redhat.com>
3824 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3826 2006-04-18 Devang Patel <dpatel@apple.com>
3828 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3830 2006-04-18 Nick Clifton <nickc@redhat.com>
3832 * config/sh/t-symbian: Add rule to build sh-c.o
3833 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3834 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3835 (sh_symbian_encode_section_info): Likewise.
3837 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3839 * builtins.c (expand_builtin_strcmp): Cover label definition of
3840 do_libcall with HAVE_cmpstrnsi.
3842 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3844 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3846 * function.h (temp_slot_p): New.
3847 (function): Change the type of x_used_temp_slots to
3848 VEC(temp_slot_p,gc) *.
3850 2006-04-18 Nick Clifton <nickc@redhat.com>
3852 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3853 flag_strength_reduce.
3855 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3857 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3861 Partial revert of revision 112637
3862 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3863 Dale Johannesen <dalej@apple.com>
3866 * regclass.c (struct reg_pref): Update documentation.
3867 (regclass): Set prefclass to NO_REGS if memory is the best option.
3868 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3870 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3872 PR tree-optimization/26821
3873 * tree-ssa-math-opts.c (get_constant_one): New.
3874 (insert_reciprocals): Use it.
3876 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3878 * dwarf2out.c (free_AT): Delete.
3879 (remove_AT): Update string ref counts.
3880 (remove_child_TAG): Don't call free_die.
3882 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3883 or DW_TAG_GNU_EINCL.
3884 (prune_unused_types_walk_attribs): Reset string refcounts.
3885 (prune_unused_types_update_strings): New.
3886 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3887 call free_die. Do call prune_unused_types_update_strings.
3888 (prune_unused_types): Empty debug_str_hash.
3890 2006-04-17 Roger Sayle <roger@eyesopen.com>
3892 * expr.c (expand_assignment): Optimize away no-op moves where the
3893 source and destination are equal and have no side-effects.
3895 2006-04-17 Richard Guenther <rguenther@suse.de>
3898 * reload.c (push_reload): Guard calls to get_secondary_mem
3901 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3903 * alias.c (reg_base_value, old_reg_base_value): Change the
3904 type to VEC(rtx,gc) *.
3905 (REG_BASE_VALUE, find_base_value, record_set,
3906 init_alias_analysis): Use VEC instead of VARRAY.
3908 * alias.c (alias_sets): Change the type to
3909 VEC(alias_set_entry,gc) *.
3910 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3911 VEC instead of VARRAY.
3912 (last_alias_set): Remove.
3914 * cgraph.h (cgraph_edge_p): New.
3915 Update the prototype of cgraph_function_versioning.
3916 * cgraphunit.c (cgraph_copy_node_for_versioning,
3917 cgraph_function_versioning): Use VEC instead of VARRAY.
3918 * ipa-cp.c (ipcp_insert_stage): Likewise.
3920 2006-04-16 Roger Sayle <roger@eyesopen.com>
3923 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3924 "A op B" or "A op C", we may need to convert A to the type of B and C.
3926 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3928 * target.h (struct gcc_target): Add mode_rep_extended.
3929 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3930 (init_num_sign_bit_copies_in_rep): Initialize it using
3932 (truncate_to_mode): Use it.
3933 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3934 * targhooks.h (default_mode_rep_extended): Declare it.
3935 * targhooks.c (default_mode_rep_extended): Define it.
3936 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3937 default_mode_rep_extended.
3938 (TARGET_INITIALIZER): Include it.
3939 * doc/tm.texi (Misc): Document it.
3940 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3941 (mips_truncated_to_mode): New function.
3943 2006-04-16 Roger Sayle <roger@eyesopen.com>
3946 * expr.c (compress_float_constant): Copy the narrow constant into
3947 a new pseudo before extending it to its final width.
3949 2006-04-16 Roger Sayle <roger@eyesopen.com>
3950 Andrew Pinski <pinskia@gcc.gnu.org>
3951 Dale Johannesen <dalej@apple.com>
3954 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3955 special case code to implement V8HImode and V16QImode with SSE2.
3957 2006-04-15 Roger Sayle <roger@eyesopen.com>
3959 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3960 trees are constructed with a suitable tree type.
3962 2006-04-15 Roger Sayle <roger@eyesopen.com>
3964 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3965 (integer_onep): Likewise.
3966 (integer_all_onesp): Likewise.
3967 (integer_pow2p): Likewise.
3968 (integer_nonzerop): Likewise.
3969 (real_zerop): Likewise.
3970 (real_onep): Likewise.
3971 (real_twop): Likewise.
3972 (real_minus_onep): Likewise.
3973 (int_size_in_bytes): Likewise.
3974 (host_integerp): Likewise.
3976 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3978 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3979 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3980 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3982 * tree-ssa-structalias.h (alias_info): Remove num_references.
3984 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3986 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3987 (output_bvb patterns): Likewise.
3988 * pa.c (output_bb): Use 'bb' insn for long branch case.
3989 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3990 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3991 1. Correct length operand for alternatives 1 and 2.
3992 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3993 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3995 2006-04-14 Roger Sayle <roger@eyesopen.com>
3997 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3998 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3999 were accidentally reverted by r112959.
4001 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4004 * except.h (eh_region_outermost): New prototype.
4005 * except.c (eh_region_outermost): New function.
4006 * tree-cfg.c (find_outermost_region_in_block): Use it.
4008 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4010 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4012 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4013 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4014 (init_reload, reload): Use VEC instead of VARRAY.
4015 * reload.h: Update the prototype for
4016 reg_equiv_memory_loc_varray.
4018 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4019 Eric Botcazou <ebotcazou@libertysurf.fr>
4021 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4024 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4027 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4028 to expand fallback builtin function call.
4030 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4033 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4034 and emit libcall here in case the builtin fails.
4035 (expand_builtin_strcmp): Always emit the libcall here on failure.
4037 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4039 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4040 * flow.c (reg_n_info): Change the type to
4041 VEC(reg_info_p,heap) *.
4042 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4044 * regs.h (reg_info_p): New.
4045 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4046 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4047 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4050 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4052 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4054 * params.h (MAX_SCHED_READY_INSNS): New macro.
4055 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4056 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4057 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4058 the ready list for 1 cycle during the first scheduling pass.
4059 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4061 2006-04-13 Richard Henderson <rth@redhat.com>
4064 * gimple-low.c (lower_omp_directive): Remove dead code.
4065 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4066 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4067 * omp-low.c (struct omp_region): Move to tree-flow.h.
4068 (root_omp_region): Export.
4069 (omp_regions, lookup_omp_region): Remove.
4070 (determine_parallel_type): Update for struct omp_region changes.
4071 (dump_omp_region): Dump regions with block numbers.
4072 (new_omp_region): Take type and block instead of stmt; malloc
4074 (free_omp_region_1, free_omp_regions): New.
4075 (expand_parallel_call): Take entry_stmt as argument; update for
4076 changes to omp_region.
4077 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4078 (remove_exit_barriers): New.
4079 (expand_omp_parallel): Update for struct omp_region changes.
4080 (expand_omp_synch): Likewise.
4081 (expand_omp): Likewise.
4082 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4083 (expand_omp_for_static_chunk): Likewise.
4084 (expand_omp_for): Likewise.
4085 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4086 (expand_omp_sections): Similarly, with GOMP_sections_end.
4087 (expand_omp_single): New.
4088 (build_omp_regions_1): Update for OMP_CONTINUE.
4089 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4090 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4091 OMP_SECTIONS_SECTIONS.
4092 (lower_omp_single_simple): Don't emit barrier here.
4093 (lower_omp_single_copy): Likewise.
4094 (lower_omp_single): Fix bindings, and lower to straightline now.
4095 (lower_omp_master, lower_omp_ordered): Likewise.
4096 (lower_omp_critical): Likewise.
4097 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4098 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4099 omp edges, free it afterward.
4100 (make_omp_sections_edges): Remove.
4101 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4102 (move_stmt_r): Handle OMP_CONTINUE.
4103 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4104 statement pointers to basic blocks. Add type member.
4105 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4106 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4107 * tree-inline.c (estimate_num_insns_1): Likewise.
4108 * tree-pretty-print.c (dump_generic_node): Likewise.
4109 * tree-ssa-operands.c (get_expr_operands): Likewise.
4110 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4111 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4112 (OMP_CONTINUE): New.
4113 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4114 (OMP_SECTIONS_SECTIONS): Remove.
4115 (OMP_SECTION_LAST): New.
4116 (OMP_RETURN_NOWAIT): New.
4118 2006-04-13 Roger Sayle <roger@eyesopen.com>
4120 * fold-const.c (native_encode_vector, native_interpret_real):
4121 Correct obvious mistakes in the previous check-in.
4123 2006-04-13 Roger Sayle <roger@eyesopen.com>
4125 * fold-const.c (native_encode_expr): New function to encode
4126 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4127 or VECTOR_CST into a specified buffer.
4128 (native_encode_int): New function.
4129 (native_encode_real): New function.
4130 (native_encode_complex): New function.
4131 (native_encode_vector): New function.
4132 (native_interpret_expr): Inverse of native_encode_expr to convert
4133 a target representation into an INTEGER_CST, REAL_CST etc...
4134 (native_interpret_int): New function.
4135 (native_interpret_real): New function.
4136 (native_interpret_complex): New function.
4137 (native_interpret_vector): New function.
4138 (fold_view_convert_expr): New function to constant fold/evaluate
4139 a VIEW_CONVERT_EXPR of a suitable constant expression.
4140 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4141 Change call of build1 to fold_build1 when constructing a
4144 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4145 Ulrich Weigand <uweigand@de.ibm.com>
4148 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4151 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4154 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4155 optimize to lo_sum for DFmode if !TARGET_FPRS.
4157 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4159 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4160 delete_alias_info, compute_flow_sensitive_aliasing,
4161 group_aliases): Use VEC instead of VARRAY.
4162 * tree-ssa-structalias.c (update_alias_info): Likewise.
4163 * tree-ssa-structalias.h (alias_info): Change the type of
4164 processed_ptrs to VEC(tree,heap) *.
4166 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4169 * config/sh/lib1funcs.h: New file, broken out of:
4170 * config/sh/lib1funcs.asm.
4171 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4173 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4174 * config/sh/lib1funcs-Os-4-200.asm: New file.
4175 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4176 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4177 (EXTRA_MULTILIB_PARTS): Include it.
4178 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4179 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4180 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4181 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4184 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4186 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4187 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4188 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4190 * tree-ssa-live.h: Include vecprim.h.
4191 (tree_partition_associator_d): Change the type of
4192 first_partition to VEC(int,heap) *.
4193 (tpa_first_partition): Use VEC instead of VARRAY.
4195 * Makefile.in (GTFILES): Move functions.h after tree.h.
4196 * function.c (reset_block_changes, record_block_change,
4197 check_block_change, free_block_changes): Use VEC instead of
4199 * function.h (function): Change the type of
4200 ib_boundaries_block to VEC(tree,gc) *.
4201 * tree-inline.c (copy_cfg_body): Initialize
4202 ib_boundaries_block to NULL instead of (varray_type) 0.
4204 2006-04-12 Roger Sayle <roger@eyesopen.com>
4206 * expr.c (emit_group_store): Correct operand order in call to
4207 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4208 a SUBREG_BYTE of zero.
4210 2006-04-12 Richard Guenther <rguenther@suse.de>
4212 * profile.c (compute_branch_probabilities): Remove code
4213 encapsulated in !ir_type (), which are remanents of the
4214 removed RTL profiling code.
4215 * rtl-profile.c: Remove.
4217 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4219 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4220 magic NULL_RTX comment.
4221 (function_arg): Store entire fp arg to mem if any part should go
4223 (rs6000_arg_partial_bytes): Adjust for above change.
4225 2006-04-11 Roger Sayle <roger@eyesopen.com>
4227 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4228 if it hasn't been initialized by dwarf2out_init.
4230 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4232 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4233 symbolic constants in branch patterns.
4235 2006-04-11 Roger Sayle <roger@eyesopen.com>
4237 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4239 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4241 PR rtl-optimization/27073
4242 * gcse.c (try_replace_reg): Revert last change. Continue to search
4243 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4246 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4248 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4249 aggregate types other than record and union types.
4250 (function_arg): Likewise.
4251 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4253 (function_value): In 64-bit mode, return objects that require it
4256 2006-04-11 Roger Sayle <roger@eyesopen.com>
4258 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4260 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4262 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4264 2006-04-03 Jeff Law <law@redhat.com>
4267 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4268 alias information too.
4270 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4272 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4274 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4277 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4278 (premark_used_types_helper): New.
4279 (premark_used_types): New.
4280 (gen_subprogram_die): Call premark_used_types.
4281 (prune_unused_types_walk): Do not prune perennial dies.
4282 * function.c (used_types_insert): New.
4283 * function.h (struct function): Add used_types_hash field.
4284 (used_types_insert): Add prototype.
4285 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4286 * c-parser.c (c_parser_cast_expression): Save casted types in used
4289 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4292 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4293 rs6000_explicit_options.float_gprs.
4295 2006-04-10 Roger Sayle <roger@eyesopen.com>
4297 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4298 from ix86_expand_vector_init_low_nonzero. Take an additional
4299 one_var argument indicating which element is non-zero. Support
4300 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4301 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4302 with one_var instead of ix86_expand_vector_init_low_nonzero.
4304 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4306 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4307 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4308 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4309 build/genextract.o): Depend on vecprim.h.
4310 * cfglayout.c, df-problems.c, function.c, genextract.c,
4311 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4312 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4316 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4318 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4319 Declare VECs of this type.
4320 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4321 (remove_children): Delete.
4322 (add_dwarf_attr): Use VEC routines.
4323 (add_AT_flag): Update for changes to add_dwarf_attr.
4324 (add_AT_int): Likewise.
4325 (add_AT_unsigned): Likewise.
4326 (add_AT_long_long): Likewise.
4327 (add_AT_vec): Likewise.
4328 (add_AT_string): Likewise.
4329 (add_AT_die_ref): Likewise.
4330 (add_AT_fde_ref): Likewise.
4331 (add_AT_loc): Likewise.
4332 (add_AT_loc_list): Likewise.
4333 (add_AT_addr): Likewise.
4334 (add_AT_lbl_id): Likewise.
4335 (add_AT_lineptr): Likewise.
4336 (add_AT_macptr): Likewise.
4337 (add_AT_offset): Likewise.
4338 (add_AT_range_list): Likewise.
4339 (get_AT): Use VEC_iterate.
4340 (remove_AT): Use VEC_ordered_remove.
4341 (free_die): Fold remove_children into here; have it use VEC_iterate.
4342 (print_die): Use VEC_iterate on attrs.
4343 (reverse_die_lists): Don't reverse attr lists.
4344 (die_checksum): Use VEC_iterate on attrs.
4345 (same_die_p): Likewise.
4346 (output_location_lists): Likewise.
4347 (build_abbrev_table): Likewise.
4348 (size_of_die): Likewise.
4349 (unmark_all_dies): Likewise.
4350 (output_abbrev_section): Likewise.
4351 (output_die): Likewise.
4352 (prune_unused_types_walk_attribs): Likewise.
4354 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4356 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4358 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4361 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4363 2006-04-09 Roger Sayle <roger@eyesopen.com>
4365 * expr.c (store_constructor): Don't bother clearing target if
4366 we're about to assign a vector to it using vec_init_optab.
4368 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4370 * tree-ssa-alias.c (lhs_may_store_to): New function.
4371 (recalculate_used_alone): Handle LHS of calls.
4373 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4377 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4378 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4379 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4380 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4381 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4382 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4383 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4384 stubs. Add ".align 8" directives before all ".dword" directives.
4385 (GTHREAD_USE_WEAK): Revise comment.
4386 (TARGET_ATTRIBUTE_WEAK): Define.
4387 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4388 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4389 * stublib.c: New file.
4394 * pa.md (cbranch patterns): Revise arguments used in calls to
4395 output_cbranch, output_bb and output_bvd. Add long branch length
4397 (fbranch patterns): Handle long branches.
4398 (jump): Revise length check. Revise arguments for output_lbranch call.
4399 Add long branch length attributes.
4400 (decrement_and_branch_until_zero): Add long branch length attributes.
4401 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4402 Likewise. Revise arguments for output_parallel_addb and
4403 output_parallel_movb calls.
4404 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4405 output_parallel_movb and output_parallel_addb): Update prototypes.
4406 * pa.c (output_cbranch): Revise arguments. Correct handling of
4407 nullification in long branches.
4408 (output_lbranch): Add new argument to control extraction of delay
4410 (output_bb): Handle long branches.
4411 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4412 output_parallel_addb): Likewise.
4414 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4416 PR rtl-optimization/27073
4417 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4420 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4422 * tree.h (tree_memory_tag): Add old_used_alone.
4423 (SMT_OLD_USED_ALONE): New macro.
4424 * tree-ssa-alias.c (recalculate_used_alone): Stop
4425 marking things for renaming unnecessarily.
4427 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4429 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4430 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4431 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4432 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4433 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4434 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4435 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4436 spelling convensions.
4437 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4438 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4439 typos. Follow spelling conventions.
4441 2006-04-07 DJ Delorie <dj@redhat.com>
4443 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4444 passed on the stack.
4445 (m32c_init_cumulative_args): When a function returns a structure,
4446 always pass the pointer to that return area on the stack.
4447 (m32c_function_arg_advance): Don't increment the parameter number
4448 if we're processing the returned structure pointer.
4449 (pushm_info): Reverse order of registers.
4451 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4453 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4454 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4455 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4456 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4458 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4459 chrec_fold_multiply): Same.
4460 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4461 force_expr_to_var_cost): Same.
4462 * tree-mudflap.c (mf_xform_derefs_1): Same.
4463 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4465 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4467 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4468 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4471 2006-04-07 Jan Hubicka <jh@suse.cz>
4473 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4475 2006-04-07 Richard Guenther <rguenther@suse.de>
4477 PR tree-optimization/26135
4478 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4479 loads for store copy-prop.
4480 (copy_prop_visit_stmt): Likewise.
4482 2006-04-05 Robert Millan <robertmh@gnu.org>
4484 * config/i386/linux.h: Add a comment to mark macros that are
4485 being overriden in config/k*bsd-gnu.h.
4486 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4488 * config/knetbsd-gnu.h: Ditto.
4490 2006-04-06 Jan Hubicka <jh@suse.cz>
4494 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4497 2006-04-06 Mike Stump <mrs@apple.com>
4499 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4500 for HAVE_nonlocal_goto to be consistent.
4501 (expand_builtin_nonlocal_goto): Likewise.
4502 (expand_builtin_strcmp): Use #ifdef instead of #if
4503 for HAVE_cmpstrnsi to be consistent.
4505 2006-04-05 DJ Delorie <dj@redhat.com>
4507 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4510 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4512 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4513 got-relative addressing for anything but SImode.
4515 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4516 even if the calling function doesn't modify them.
4518 2006-04-05 Richard Guenther <rguenther@suse.de>
4520 PR tree-optimization/26919
4521 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4522 to cgraph_estimate_size_after_inlining.
4524 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4526 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4528 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4530 PR tree-optimization/26996
4531 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4532 VECTOR_TYPE variables.
4534 2006-04-05 Richard Guenther <rguenther@suse.de>
4536 PR tree-optimization/26763
4537 * fold-const.c (fold_comparison): Move folding of
4538 PTR + CST CMP PTR + CST ...
4539 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4541 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4543 * doc/install.texi (Prerequisites): Refine some wording on
4544 bootstrapping and ksh.
4545 Move the version numbers of DejaGnu here from the testing section
4546 and fix casing of names.
4547 Fix markup and clarify wording for autogen requirements.
4548 Refer to GCJ instead of just java.
4549 Refer to SVN instead of CVS.
4550 Describe diffutils as useful instead of necessary.
4551 (Downloading the source): Refer to SVN instead of CVS.
4552 Adjust a link to our web site accordingly.
4553 (Configuration): Fix casing of Bison.
4554 (Building): Refer to SVN instead of CVS.
4555 Fix a sentence on the use of Bison and remove duplicate (and
4556 incorrect) version number of Bison requirement.
4557 Remove one redundant list of packages needed for building.
4558 (Specific): Avoid reference to CVS.
4560 2006-04-04 Eric Christopher <echristo@apple.com>
4562 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4563 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4564 (rs6000_handle_struct_attribute): New.
4565 (rs6000_ms_bitfield_layout_p): Ditto.
4567 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4569 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4570 NULL for dso parameter to atexit_common.
4572 2006-04-04 Eric Christopher <echristo@apple.com>
4574 * config/i386/i386.c (machopic_output_stub): Output \t
4575 between instructions and operands.
4577 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4579 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4580 satisfies_constraint_[IL] to explicit tests on value.
4582 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4584 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4585 set_nb_iterations_in_loop): Use build_int_cst instead of
4587 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4588 build_int_cst instead of convert.
4590 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4592 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4593 new value 2 for incoming.
4594 * function.c (expand_function_start): Call struct_value_rtx
4596 * config/sparc/sparc.md: Comment updated_return.
4597 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4598 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4599 struct return if sparc_std_struct_return and incoming is 2.
4600 (print_operand): Do not adjust return if
4601 sparc_std_struct_return.
4603 2006-04-04 Roger Sayle <roger@eyesopen.com>
4605 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4606 convert in the middle-end.
4607 * expr.c (store_expr, store_constructor, get_inner_reference,
4608 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4610 * tree.c (build_range_type): Likewise.
4612 2006-04-04 Tom Tromey <tromey@redhat.com>
4614 * doc/install.texi (Prerequisites): Mention jar.
4616 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4618 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4621 2006-04-04 Matthias Klose <doko@debian.org>
4623 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4624 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4627 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4629 * doc/extend.texi (Function Attributes): Rewrite visibility
4630 attribute documentation.
4631 * doc/invoke.texi (C++ Dialect Options): Rewrite
4632 -fvisibility-inlines-hidden documentation to describe something
4633 entirely different, although in practise compatible.
4634 (Code Gen Options): Warn about system headers in -fvisibility=
4637 * doc/extend.texi (Other Builtins): Document that
4638 __builtin_nan is a compile-time constant only when its argument
4641 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4643 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4644 trying to remove TRUNCATE check if all bits outside the new mode
4645 are identical to the sign bit.
4647 2006-04-03 Jeff Law <law@redhat.com>
4649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4650 and operand scanning in some common cases.
4652 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4653 Dale Johannesen <dalej@apple.com>
4656 * regclass.c (struct reg_pref): Update documentation.
4657 (regclass): Set prefclass to NO_REGS if memory is the best option.
4658 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4659 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4660 into account. For non-registers, equate an empty preferred
4661 reload class to a `!' in the constraint; move the if clause to
4662 do so after those that reject the insn.
4663 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4665 (find_dummy_reload): Likewise.
4666 * doc/tm.texi (Register Classes): Document what it means
4667 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4668 * config/i386/i386.c (ix86_preferred_reload_class): Force
4669 using SSE registers (and return NO_REGS for floating-point
4670 constants) if math is done with SSE.
4671 (ix86_preferred_output_reload_class): New.
4672 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4673 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4674 * config/i386/i386.md: Remove # register preferences.
4676 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4679 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4680 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4681 the type of nb_iter.
4682 (instantiate_parameters_1): Convert the operands before calling
4683 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4684 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4686 2006-04-02 Roger Sayle <roger@eyesopen.com>
4688 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4689 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4691 * dojump.c (do_jump): Likewise.
4692 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4693 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4694 gimplify_boolean_expr): Likewise.
4695 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4696 * varasm.c (array_size_for_constructor): Likewise.
4697 * tree-object-size.c (compute_object_offset): Likewise.
4699 2006-04-02 Roger Sayle <roger@eyesopen.com>
4702 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4703 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4705 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4707 PR tree-optimization/26939
4708 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4710 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4712 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4713 at_stmt. Convert the type of operands before calling
4714 build_polynomial_chrec.
4715 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4717 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4718 (instantiate_parameters_1): Convert the type of operands before calling
4719 build_polynomial_chrec.
4720 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4721 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4722 reset_evolution_in_loop): Insert asserts to check the types of the
4724 (chrec_type): Moved...
4725 (eq_evolutions_p): Use operand_equal_p.
4726 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4727 the types of the operands.
4728 (chrec_type): ...here.
4729 * tree-data-ref.c (create_data_ref): Convert the operands before
4730 calling chrec_replace_initial_condition.
4731 (same_access_functions, analyze_subscript_affine_affine,
4732 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4733 (compute_subscript_distance, analyze_ziv_subscript,
4734 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4735 analyze_miv_subscript): Convert the operands before calling
4736 chrec_fold_minus or chrec_fold_plus.
4738 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4740 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4741 the dependence_relations vector.
4742 (compute_data_dependences_for_loop): Adjust call to
4743 compute_all_dependences.
4745 2006-04-01 Roger Sayle <roger@eyesopen.com>
4746 Richard Henderson <rth@redhat.com>
4748 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4749 gimple_boolify on the condition before calling gimplify_expr.
4751 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4753 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4754 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4755 the frame size. Update to use the new macros.
4756 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4757 * config/xtensa/ieee754-df.S: Likewise.
4759 2006-03-31 Richard Henderson <rth@redhat.com>
4761 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4762 (make_edges): ... here. Control fallthru creation with a local
4763 variable. Do not play with fake edges.
4764 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4765 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4768 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4770 * dwarf2.h (DW64_CIE_ID): Define.
4771 * dwarf2out.c (DWARF_CIE_ID): Define.
4772 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4773 length header. Use DWARF_CIE_ID.
4774 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4775 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4777 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4779 * config/sh/linux-atomic.asm: New file.
4780 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4782 2006-03-31 DJ Delorie <dj@redhat.com>
4784 * config/m32c/cond.md: Set condition flags properly throughout.
4785 * config/m32c/minmax.md: Likewise.
4786 * config/m32c/prologue.md: Likewise.
4787 * config/m32c/bitops.md: Likewise.
4788 * config/m32c/muldiv.md: Likewise.
4789 * config/m32c/mov.md: Likewise.
4790 * config/m32c/addsub.md: Likewise.
4791 * config/m32c/m32c.md: Likewise.
4792 * config/m32c/jump.md: Likewise.
4793 * config/m32c/shift.md: Likewise.
4795 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4796 conditionally output the pattern for this.
4797 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4798 (m32c_compare_redundant): New.
4799 (m32c_output_compare): New.
4800 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4802 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4803 dest, not src. Allow other 4-byte modes.
4805 2006-03-30 Denis Chertykov <denisc@overta.ru>
4807 * doc/md.texi: Refer to avr/constraints.md instead of
4810 2006-03-30 Roger Sayle <roger@eyesopen.com>
4812 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4813 signed vs. unsigned comparison failures on some hosts.
4815 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4818 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4819 change to FLOAT_REGS.
4821 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4822 (rs6000_override_options): Use it.
4823 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4824 only for -mabi=spe/no-spe and -mabi=altivec.
4826 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4828 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4831 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4833 * Makefile.in: Rename docdir to gcc_docdir.
4835 2006-03-30 Roger Sayle <roger@eyesopen.com>
4838 * expr.c (emit_group_store): Optimize group stores into a pseudo
4839 register by using a paradoxical subreg to initialize the destination
4840 if the first or last member of the group specifies a "low part".
4842 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4845 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4846 * target.h (struct gcc_target.speculate_insn): Change type of the
4847 second parameter to 'int'.
4848 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4849 the second operand of the DEPS_LIST.
4850 (copy_DEPS_LIST_list): Update reference to the second operand of the
4852 * rtl.h (alloc_DEPS_LIST): Update signature.
4853 * sched-int.h (ds_t): Change typedef to 'int'.
4854 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4856 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4858 * haifa-sched.c (try_ready): Change condition to restore
4859 non-speculative pattern of the instruction.
4860 (process_insn_depend_be_in_spec): Code to keep probability of the
4861 speculative dependence non-decreasing.
4863 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4865 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4866 (single_move_for_movmem): ... this. Also change all uses.
4867 (bfin_expand_strmov): Renamed to...
4868 (bfin_expand_movmem): ... this. Also change all uses.
4869 * config/bfin/bfin.md (movstrsi): Renamed to...
4870 (movstrsi): ...this.
4872 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4874 PR tree-optimization/26830
4876 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4877 (copy_prop_visit_stmt): Remove write-only variable ann.
4878 (init_copy_prop): Check variable loop depth here. Do not simulate
4879 memory-tag and virtual operand PHIs except for store copy prop.
4881 2006-03-30 Richard Guenther <rguenther@suse.de>
4883 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4884 variants with double arguments.
4886 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4888 * genpreds.c (write_tm_constrs_h): Delete variable p.
4889 * genconditions.c (write_header): Add tm-constrs.h to included
4891 * genpeep.c (main): Add toplev.h to included headers.
4892 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4893 (build/genpeep.o): Add toplev.h dependency.
4894 * config/rs6000/constraints.md: Add "W" constraint.
4896 2006-03-29 Roger Sayle <roger@eyesopen.com>
4898 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4899 sizes by correctly testing whether the size fits a host integer.
4900 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4901 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4902 SImode range for the default sizetype and bitsizetype.
4904 2006-03-29 Roger Sayle <roger@eyesopen.com>
4906 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4907 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4908 quickly if the argument is already of the correct type.
4909 Call fold_build1 instead of build1. Tidy up blank lines.
4911 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4913 * genemit.c (main): Add tm-constrs.h to included headers.
4914 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4915 * genpeep.c (main): Add tm-constrs.h to included headers.
4916 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4917 (write_tm_constrs_h): this and write complete file.
4918 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4919 (write_insn_preds_c): Add tm-constrs.h to included headers.
4920 (gen_constrs): New variable.
4921 (parse_option): Parse "-c".
4922 (main): Invoke write_tm_constrs_h.
4923 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4924 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4925 (object_out_file): Add tm-constrs.h dependency.
4926 (insn-emit.o): Same.
4927 (insn-output.o): Same.
4928 (insn-peep.o): Same.
4929 (insn-preds.o): Same.
4930 (insn-recog.o): Same.
4931 (tm-constsr.h): New target.
4932 (s-constrs-h): New target.
4934 * config/rs6000/constraints.md: New file.
4935 * config/rs6000/rs6000.c: Include tm-constrs.h.
4936 (num_insn_constant_wide): Convert to satisfies_constraint.
4937 (rs6000_rtx_costs): Convert to satisfies_constraint.
4938 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4939 (CONST_OK_FOR_LETTER_P): Delete.
4940 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4941 (EXTRA_CONSTRAINT): Delete.
4942 (EXTRA_MEMORY_CONSTRAINT): Delete.
4943 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4944 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4945 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4946 satisfies_constraint.
4948 * config/i386/i386.c: Include tm-constrs.h.
4950 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4952 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4953 * tree-data-ref.c (find_data_references_in_loop,
4954 compute_data_dependences_for_loop): Use pointers to VEC.
4955 (analyze_all_data_dependences): Adjust calls.
4956 * tree-data-ref.h (find_data_references_in_loop,
4957 compute_data_dependences_for_loop): Adjust declarations.
4958 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4959 compute_data_dependences_for_loop.
4961 2006-03-29 Paul Brook <paul@codesourcery.com>
4963 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4966 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4968 PR tree-optimization/26859
4969 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4971 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4972 for the step after fold_convert.
4974 2006-03-29 Paul Brook <paul@codesourcery.com>
4976 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4977 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4979 2006-03-29 Paul Brook <paul@codesourcery.com>
4982 * targhooks.c (default_narrow_bitfield): New fuction.
4983 * targhooks.h (default_narrow_bitfield): add prototype.
4984 * target.h (gcc_target): Add narrow_volatile_bitfield.
4985 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4986 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4987 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4988 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4990 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4992 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4994 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4995 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4996 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4997 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4998 (s390_function_arg_float): Allow SDmode and DDmode values to be
4999 passed in floating point registers.
5000 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5001 check with SCALAR_FLOAT_MODE_P.
5002 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5004 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5006 PR tree-optimization/25985
5007 * tree-ssa-loop-niter.c (number_of_iterations_le,
5008 number_of_iterations_ne): Make comments more precise.
5009 (number_of_iterations_cond): Add only_exit argument. Use the
5010 fact that signed variables do not overflow only when only_exit
5012 (loop_only_exit_p): New.
5013 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5014 number_of_iterations_cond.
5016 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5018 PR tree-optimization/26643
5019 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5022 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5024 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5025 (divsi3_i4_int): Likewise.
5027 2006-03-28 Roger Sayle <roger@eyesopen.com>
5029 * expr.c (emit_group_store): Only create a new pseudo reg if the
5030 quantity it needs to hold isn't already a suitable pseudo.
5032 2006-03-28 Jeff Law <law@redhat.com>
5034 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5035 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5037 2006-03-28 Roger Sayle <roger@eyesopen.com>
5039 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5040 the equivalent ~X & Y, and the symmetry related transformations.
5041 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5042 ~X & Y, and symmetry related transforms.
5044 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5046 Revert my 2006-03-27 patches.
5048 2006-03-28 Roger Sayle <roger@eyesopen.com>
5050 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5051 ~(T1)X, when T1 and T2 are integer types of the same precision
5052 and (T2)X isn't an extension.
5054 2006-03-28 Jeff Law <law@redhat.com>
5056 PR tree-optimization/26796
5057 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5058 need EH edge cleanups rather than purging them immediately.
5059 (eliminate_degenerate_phis): Handle queued EH cleanups.
5061 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5063 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5066 2006-03-27 Roger Sayle <roger@eyesopen.com>
5069 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5070 cast BIT_NOT_EXPR operand to the correct type.
5072 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5074 * tree-loop-linear.c: Don't include varray.h.
5075 (gather_interchange_stats, try_interchange_loops,
5076 linear_transform_loops): Use VEC instead of VARRAY.
5077 * lambda-mat.c: Don't include varray.h.
5078 * tree-chrec.c: Same.
5079 * lambda-trans.c: Same.
5080 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5081 VEC instead of VARRAY.
5082 * tree-vectorizer.h: Idem.
5083 * tree-data-ref.c (dump_data_references,
5084 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5085 initialize_data_dependence_relation, finalize_ddr_dependent,
5086 compute_all_dependences, find_data_references_in_loop,
5087 compute_data_dependences_for_loop, analyze_all_data_dependences,
5088 free_dependence_relation, free_dependence_relations,
5089 free_data_refs): Idem.
5090 * tree-data-ref.h (data_reference_p, subscript_p): New.
5091 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5092 VEC instead of VARRAY.
5093 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5094 (find_data_references_in_loop, compute_data_dependences_for_loop,
5095 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5096 dump_data_dependence_relations, free_dependence_relations,
5097 free_data_refs): Adjust declaration.
5098 (lambda_transform_legal_p): Move declaration here...
5099 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5100 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5101 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5102 vect_analyze_data_refs): Use VEC instead of VARRAY.
5103 * lambda.h (lambda_transform_legal_p): ...from here.
5104 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5105 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5106 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5107 tree-chrec.o): Don't depend on VARRAY_H.
5109 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5111 * rtl.def (Copyright): Update date.
5112 (DEPS_LIST): Change type of the second operand to 'int'.
5113 * target.h (Copyright): Update date.
5114 (struct gcc_target.speculate_insn): Change type of the second parameter
5116 * lists.c (Copyright): Update date.
5117 (alloc_DEPS_LIST): Change signature. Update reference to the second
5118 operand of the DEPS_LIST.
5119 (copy_DEPS_LIST_list): Update reference to the second operand of the
5121 * rtl.h (Copyright): Update date.
5122 (alloc_DEPS_LIST): Update signature.
5123 * sched-int.h (Copyright): Update date.
5124 (ds_t): Change typedef to 'int'.
5125 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5127 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5129 * haifa-sched.c (Copyright): Update date.
5130 (try_ready): Change condition to restore non-speculative pattern
5132 (process_insn_depend_be_in_spec): Code to keep probability of the
5133 speculative dependence non-decreasing.
5135 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5137 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5138 shut up the compiler.
5140 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5142 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5143 to use lib prefix for target.
5144 ($(T)libic_invalidate_array_4-200.a): Likewise.
5145 ($(T)libic_invalidate_array_4a.a): Likewise.
5147 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5148 J"orn Rennecke <joern.rennecke@st.com>
5150 * superh.opt: New file.
5151 * sh.c (boardtype, osruntime): Remove.
5152 * superh.h (SUBTARGET_OPTIONS): Remove.
5153 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5155 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5156 arguments with ^ and/or [].
5158 * config.gcc (sh-*-*): Add quoting to account for quirk of
5160 Replace == with = in enable_incomplete_targets test.
5162 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5163 with MASK_LITTLE_ENDIAN.
5165 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5166 * config/sh/sh.opt: Added to some comments.
5167 * config/sh/superh.h: Removed some chaff.
5169 * config/sh/sh.opt: Add m4-[1234]00* options.
5170 * config/sh/sh.c (sh_handle_option): Likewise.
5171 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5172 (ic_invalidate_array_4-100.o): New rule.
5173 ($(T)libic_invalidate_array_4-100.a): Likewise.
5174 (ic_invalidate_array_4-200.o): Likewise.
5175 ($(T)libic_invalidate_array_4-200.a): Likewise.
5176 (ic_invalidate_array_4a.o): Likewise.
5177 ($(T)libic_invalidate_array_4a.a): Likewise.
5178 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5179 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5181 * config/sh/crt1.asm: Merged in profiling code.
5182 * config/sh/superh.h (STARTFILE_SPEC): Override.
5183 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5184 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5185 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5187 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5188 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5189 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5191 * sh.opt (mpretend-cmove): New option.
5192 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5193 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5194 (movsicc): Add TARGET_PRETEND_CMOVE code.
5196 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5198 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5199 s390_class_max_nregs): New function prototypes.
5200 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5201 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5202 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5203 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5205 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5207 * dwarf2out.c (add_location_or_const_value_attribute): Call
5208 tree_add_const_value_attribute if nothing else works.
5209 (reference_to_unused): New.
5210 (rtl_for_decl_init): Use reference_to_unused to decide whether
5211 to output an initializer.
5213 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5216 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5217 peephole removing spe frob_di_df_2.
5219 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5221 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5222 (subscript_dependence_tester_1): Declared.
5223 (print_dir_vectors, print_dist_vectors): New.
5224 (debug_data_dependence_relation): New.
5225 (dump_data_dependence_relation): Print more details.
5226 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5227 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5228 (save_dist_v, save_dir_v, add_outer_distances,
5229 build_classic_dist_vector_1): New.
5230 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5231 Don't test for lambda_vector_lexico_pos.
5232 (same_access_functions, add_multivariate_self_dist,
5233 add_other_self_distances, dir_from_dist): New.
5234 (build_classic_dir_vector): Replace implementation almost identical to
5235 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5237 (subscript_dependence_tester_1): New.
5238 (subscript_dependence_tester): Handle the lexicographically negative
5239 distance vectors by recomputing the dependence relation.
5240 (compute_affine_dependence): Remove parameter loop_nest_depth.
5241 (compute_self_dependence): Don't call compute_subscript_distance.
5242 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5243 Add a parameter for the loop_nest.
5244 (find_loop_nest_1, find_loop_nest): New.
5245 (compute_data_dependences_for_loop): Compute the loop nest, and give
5246 up if the nest is not well formed.
5247 * tree-data-ref.h (loop_p): New.
5248 (struct data_dependence_relation): Replace size_vect field with
5249 loop_nest, a vec of loops.
5250 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5251 (DDR_LOOP_NEST): New.
5252 (print_dir_vectors, print_dist_vectors,
5253 debug_data_dependence_relation): Declared.
5254 (index_in_loop_nest): New.
5255 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5256 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5259 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5261 * simplify-rtx.c (simplify_relational_operation): Call
5262 simplify_relational_operation_1 even if mode is VOIDmode.
5264 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5266 PR tree-optimization/26804
5267 * tree.h (DECL_CALL_CLOBBERED): New macro.
5268 (tree_decl_common): Add call_clobbered_flag.
5269 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5270 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5271 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5272 (mark_non_addressable): Ditto.
5273 * tree-ssa.c (verify_call_clobbered): New function.
5274 (verify_alias_info): Use it.
5275 * tree-pass.h (pass_reset_cc_flags): New prototype.
5276 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5277 (reset_cc_flags): New function.
5278 * passes.c (init_optimization_passes): Call reset_cc_flags after
5279 initializing referenced_vars.
5281 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5282 Roger Sayle <roger@eyesopen.com>
5285 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5286 to 1.0 for non-real operands. Implement A / A optimization for
5289 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5291 * config/i386/i386.c (size_cost): Correct the comment for
5292 cost of storing fp registers.
5293 (i386_cost): Likewise.
5294 (i486_cost): Likewise.
5295 (pentium_cost): Likewise.
5296 (pentiumpro_cost): Likewise.
5297 (k6_cost): Likewise.
5298 (athlon_cost): Likewise.
5299 (k8_cost): Likewise.
5300 (pentium4_cost): Likewise.
5301 (nocona_cost): Likewise.
5302 (generic64_cost): Likewise.
5303 (generic32_cost): Likewise.
5305 2006-03-24 Denis Chertykov <denisc@overta.ru>
5307 * config/avr/avr-protos.h (extra_constraint): Delete.
5308 (extra_constraint_Q): New declaration.
5309 * config/avr/constraints.md: New file.
5310 * config/avr/avr.md: Include it.
5311 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5312 (TMP_REGNO, ZERO_REGNO): Likewise.
5313 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5314 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5315 (extra_constraint): Delete.
5316 (extra_constraint_Q): Test for memory constraint 'Q'.
5317 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5318 (REG_CLASS_FROM_LETTER): Delete.
5319 (CONST_OK_FOR_LETTER_P): Delete.
5320 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5321 (EXTRA_CONSTRAINT): Delete.
5322 (TMP_REGNO): Delete.
5323 (ZERO_REGNO): Delete.
5325 2006-03-24 Jeff Law <law@redhat.com>
5327 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5328 directly. Call mark_new_vars_to_rename slightly earlier.
5330 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5332 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5334 (gen_compile_unit_die): Use new language types for Objective-C and
5336 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5337 DW_LANG_C_plus_plus.
5340 * config/t-darwin (crt3.o): Work around bug 26840.
5341 * config/darwin-crt3.c: Rewrite.
5342 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5344 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5346 * doc/invoke.texi: Document -femit-class-debug-always
5347 * common.opt: Add -femit-class-debug-always.
5349 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5351 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5352 index and base register.
5353 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5354 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5355 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5356 REGNO_OK_FOR_INDEX_P.
5357 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5359 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5360 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5361 REG_OK_FOR_BASE_P): Definitions removed.
5363 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5366 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5367 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5368 set yet or weren't marked as local yet.
5370 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5372 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5375 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5377 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5378 (rs6000_legitimate_small_data_p): Delete.
5379 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5380 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5381 and make static. Add forward declaration. Update uses.
5382 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5383 of offsettable_memref_p.
5384 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5385 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5387 2006-03-24 Jeff Law <law@redhat.com>
5389 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5390 around bug in immediate-use iterator.
5392 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5395 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5396 or __LITTLE_ENDIAN__.
5398 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5400 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5401 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5402 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5403 * config/sh/sh.opt (mdiv=): Amend description.
5404 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5405 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5406 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5407 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5408 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5409 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5410 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5411 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5412 TARGET_DIVIDE_CALL_FP.
5414 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5416 * haifa-sched.c (choose_ready): Fix type of the local variable.
5417 Move local variables. Add comment.
5418 (check_reg_live): Change signature. Make callable from debugger.
5419 * sched-int.h (check_reg_live): Update signature.
5420 * sched-ebb.c (check_reg_live): Update parameters.
5421 * sched-rgn.c (check_reg_live): Ditto.
5422 (region_head_or_leaf_p): Check pointer before dereferencing.
5423 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5424 before reload on optimization levels below 1.
5426 2006-03-23 Richard Henderson <rth@redhat.com>
5428 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5432 * config/alpha/predicates.md (local_symbolic_operand): Reject
5435 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5438 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5439 expressions which have overflowed constants.
5441 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5443 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5445 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5447 * cfgloopmanip.c (create_loop_notes): Removed.
5448 * final.c (final_scan_insn): Do not handle loop notes.
5449 * jump.c (squeeze_notes): Ditto.
5450 * cfglayout.c (skip_insns_after_block,
5451 duplicate_insn_chain): Ditto.
5452 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5454 * cfgloop.h (create_loop_notes): Declaration removed.
5456 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5458 * varasm.c (output_constant_pool): Restore fnname and fndecl
5460 (assemble_start_function): Adjust call accordingly.
5461 (assemble_end_function): Likewise.
5463 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5466 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5469 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5471 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5474 * system.h (ICE_EXIT_CODE): New macro.
5475 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5476 (diagnostic_action_after_output): Likewise.
5477 * gcc.c (fatal_ice): New function.
5478 (execute): Use it instead of fatal.
5479 (fancy_abort): Likewise.
5480 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5482 2006-03-22 Jeff Law <law@redhat.com>
5484 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5485 iv_analyze_result returning false.
5487 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5489 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5491 2006-03-22 Richard Henderson <rth@redhat.com>
5494 * except.c (duplicate_eh_regions_0): New.
5495 (duplicate_eh_region_1): Duplicate the children of the node as
5496 well as the node itself. Link them up properly.
5497 (duplicate_eh_region_2): Merge into ...
5498 (duplicate_eh_regions): ... here. Take copy_region argument, and
5499 copy only a sub-tree if asked. Simplify copying and fixup.
5500 (eh_region_outer_p): New.
5501 * except.h (duplicate_eh_regions): Update decl.
5502 (eh_region_outer_p): Declare.
5503 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5504 (lower_omp_master): Likewise.
5505 (lower_omp_ordered): Likewise.
5506 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5507 (move_stmt_r): Use it to remap labels. Handle recursion vs
5508 remap_decls_p properly.
5509 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5510 (find_outermost_region_in_block): New.
5511 (new_label_mapper): New.
5512 (move_sese_region_to_fn): Copy eh information to the new function
5514 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5516 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5519 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5521 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5522 into shared libraries.
5524 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5526 * doc/md.texi: Refer to i386/constraints.md instead of
5528 * config/i386/constraints.md: New file, extracted from...
5529 * config/i386/predicates.md: ...here.
5530 * config/i386/i386.md: Include constraints.md.
5532 2006-03-21 Jason Merrill <jason@redhat.com>
5534 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5537 * expr.c (init_block_move_fn): Force default visibility.
5538 (init_block_clear_fn): Likewise.
5539 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5540 * targhooks.c (default_external_stack_protect_fail): Likewise.
5542 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5544 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5545 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5546 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5547 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5548 (loadgp): Use mips_current_loadgp_style.
5549 (loadgp_noshared): New pattern.
5550 (sibcall_internal): Use MIPS_CALL.
5551 (sibcall_value_internal): Likewise.
5552 (sibcall_value_multiple_internal): Likewise.
5553 (call_internal): Likewise.
5554 (call_value_internal): Likewise.
5555 (call_value_multiple_internal): Likewise.
5556 (call_split): Use MIPS_CALL and add an 'S' constraint.
5557 (call_value_split): Likewise.
5558 (call_value_multiple_split): Likewise.
5559 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5560 (-mshared): New option.
5561 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5562 (mips_current_loadgp_style): Declare.
5563 * config/mips/mips.c (mips_classify_symbol): Avoid using
5564 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5565 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5566 TARGET_ABSOLUTE_ABICALLS.
5567 (override_options): Adjust comments. Improve the warning that is
5568 issued when -mabicalls and -G are used together.
5569 (mips_file_start): Remove comment.
5570 (mips_current_loadgp_style): New function.
5571 (mips_gnu_local_gp): New variable.
5572 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5574 (mips_output_function_prologue): Use mips_current_laodgp_style.
5575 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5576 the cprestore instruction.
5577 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5578 live for TARGET_ABSOLUTE_ABICALLS.
5579 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5580 (ASM_SPEC): Pass down -mshared and -mno-shared.
5581 (MIPS_CALL): New macro.
5582 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5584 * doc/invoke.texi (-mabicalls): Update documentation.
5585 (-mshared): Document.
5587 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5589 * config/ia64/unwind-hpux.c: New file.
5590 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5592 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5595 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5597 2006-03-21 Jeff Law <law@redhat.com>
5599 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5600 type conversions of a VR_VARYING source to a wider type.
5602 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5604 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5605 tm_file on Solaris 10 and later.
5606 (sparc64-*-solaris2*): Likewise.
5607 (sparc-*-solaris2*): Likewise.
5608 * config/sol26.h: Rename to config/sol2-6.h.
5609 * config/sol2-10.h: New file.
5611 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5614 * tree-ssa-pre.c (create_component_ref_by_pieces):
5617 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5620 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5621 return it immediately.
5623 2006-03-21 Michael Matz <matz@suse.de>
5625 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5627 (remove_arc, add_arc): Update num_out_arcs member.
5628 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5630 (cache_presence): New function.
5631 (compare_states_for_equiv): New function.
5632 (state_is_differed): Don't take number of outargs, adjust callers.
5633 Use new invariant for speeding up.
5634 (init_equiv_class): Create initial classes based on sorted
5636 (partition_equiv_class): Don't track out_arcs_num.
5637 (evaluate_equiv_classes): Call cache_presence on all states and
5640 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5642 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5643 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5644 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5645 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5647 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5648 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5649 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5650 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5651 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5653 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5654 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5655 (REGNO_REG_CLASS): ARGP is in PREGS.
5656 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5658 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5659 to deal with those addresses.
5660 * addresses.h: New file.
5661 * caller-save.c: Include "addresses.h".
5662 (init_caller_save): Use new base_reg_class function.
5663 * rtl-factoring.c: Include "addresses.h".
5664 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5665 * recog.c: Include "addresses.h".
5666 (preprocess_constraints): Use new base_reg_class function.
5667 * regrename.c: Include "addresses.h".
5668 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5669 functions. Keep track of a new var INDEX_CODE to compute valid
5671 (replace_oldest_value_addr): Likewise.
5672 (replace_oldest_value_mem): Use base_reg_class.
5673 * reload.c: Include "addresses.h".
5674 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5675 (find_reloads): Use new base_reg_class function.
5676 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5677 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5678 all callers and prototype changed.
5679 * reload1.c: Include "addresses.h".
5680 (maybe_fix_stack_asms): Use base_reg_class.
5681 * regclass.c: Include "addresses.h".
5682 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5683 (init_reg_autoinc): Use new base_reg_class function.
5684 (record_reg_classes): Likewise.
5685 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5686 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5687 Use new args to compute necessary class.
5689 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5690 regrename.o, rtl-factoring.o): Update dependencies.
5691 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5692 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5693 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5694 REG_OK_FOR_INDEX_P): Delete documentation.
5696 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5698 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5699 from V7 to V9 for Solaris 7 and above.
5701 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5703 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5704 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5705 argument pointers may not alias any other storage.
5706 * common.opt: Define option -fargument-noalias-anything.
5707 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5708 alias semantics is specified by flag_argument_noalias > 2.
5710 2006-03-20 Jeff Law <law@redhat.com>
5712 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5713 (pass_phi_only_cprop): Declare.
5714 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5716 * tree-ssa-dom.c (degenerate_phi_result): New function.
5717 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5718 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5719 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5720 (eliminate_degenerate_phis): Likewise.
5721 (pass_phi_only_cprop): New pass descriptor.
5722 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5723 support code. Callers updated.
5724 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5725 (store_copy_prop): Likewise.
5726 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5728 2006-03-20 Jason Merrill <jason@redhat.com>
5731 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5732 (push_visibility, pop_visibility): Likewise.
5733 * c-pragma.h: Declare them.
5735 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5737 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5739 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5740 parameter and use get_ebb_head_tail.
5741 (sh_md_init_global): Adjust uses of find_regmode_weight.
5743 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5745 * function.h (struct function) <x_tail_recursion_reentry>:
5746 Rename to x_stack_check_probe_note.
5747 (tail_recursion_reentry): Rename to stack_check_probe_note.
5748 * function.c: Replace tail_recursion_reentry with
5749 stack_check_probe_note everywhere.
5750 (expand_function_start): Only emit a note for
5751 stack_check_probe_note with -fstack-protect.
5752 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5754 * emit-rtl.c (remove_unnecessary_notes): Remove.
5755 (pass_remove_unnecessary_notes): Remove.
5756 * rtl.h (remove_unnecessary_notes): Remove prototype.
5757 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5758 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5759 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5761 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5764 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5765 (valid_in_set): Handle ARRAY_REF.
5766 Change "if min_variant or VH" to asserts.
5767 (create_component_ref_by_pieces): Handle ARRAY_REF.
5768 (create_expression_by_pieces): Likewise.
5769 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5771 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5773 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5774 is operand of switch, not str[0].
5776 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5778 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5779 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5781 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5783 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5784 end of insn_extra_address_constraint declaration.
5786 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5788 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5789 (no-sum-in-toc): Same.
5790 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5792 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5793 NO_FP_IN_TOC for -fPIC instead of mask.
5795 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5796 (BOOT_LDFLAGS): Delete.
5798 * config/rs6000/t-aix52: Same.
5800 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5801 (stmsi[345678]_power): New.
5803 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5805 * config/ia64/ia64.opt: Add empty line to end of file.
5807 2006-03-17 Richard Guenther <rguenther@suse.de>
5810 * builtins.c (get_pointer_alignment): For component style references
5811 adjust alignment to the component type alignment. Make sure
5812 to adjust alignment for component access of constants.
5814 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5816 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5819 2006-03-17 Paul Brook <paul@codesourcery.com>
5821 * doc/install.texi: Docuemnt --with-mode.
5822 * config.gcc: Add --with-mode for arm*-*-*.
5823 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5825 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5827 * sh.c (max_labelno_before_reorg): New variable.
5828 (sh_reorg): Initialize it.
5829 (find_barrier): Check max_labelno_before_reorg before using
5830 label_to_alignment. Take length of explicit alignment insns
5831 into account. When seeing a UNSPECV_CONST_END, return it.
5833 * sh.c (fixup_mova): Set mode of affected label to QImode.
5834 (untangle_mova): New function.
5835 (find_barrier): Use it. Check mode of label before decrementing
5837 (sh_reorg): Likewise.
5838 Set mode of all insns back to VOIDmode.
5840 * sh.c (MOVA_LABELREF): New macro.
5841 (mova_p, fixup_mova, sh_reorg): Use it.
5842 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5843 ADDR_DIFF_VEC matches mova.
5845 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5847 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5848 with ATTRIBUTE_UNUSED.
5850 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5852 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5853 pointer, instead of assuming it is possible to derive the
5854 correct args size from a call insn.
5856 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5858 * rtl.h (CONST_INT_P): Define.
5859 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5860 instead of GET_CODE(x) == CONST_INT.
5861 (vax_rtx_costs): Likewise.
5862 (vax_output_int_move): Likewise.
5863 (vax_output_int_add): Likewise.
5864 (legitimate_constant_address_p): Likewise.
5865 (index_term_p): Likewise.
5866 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5867 * config/vax/vax.md (and<mode>3): Likewise.
5868 (ashrsi3): Likewise.
5870 (movstricthi): Likewise.
5871 (movstrictqi): Likewise.
5872 (rotrsi3): Likewise.
5873 (five unnamed insns): Likewise.
5875 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5877 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5878 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5879 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5880 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5881 Pass to ASM_OUTPUT_DWARF_OFFSET.
5882 * dwarf2out.c (debug_frame_section): New.
5883 (output_call_frame_info): Use debug_frame_section. Pass it to
5884 dw2_asm_output_offset.
5885 (output_die): Pass appropriate section to dw2_asm_output_offset.
5886 (output_compilation_unit_header): Likewise.
5887 (output_pubnames): Likewise.
5888 (output_aranges): Likewise.
5889 (enum dw_val_class): Break dw_val_class_lbl_offset into
5890 dw_val_class_lineptr and dw_val_class_macptr.
5891 (add_AT_lbl_offset): Delete.
5892 (add_AT_lineptr): New.
5893 (add_AT_macptr): New.
5894 (AT_lbl): Expect a lineptr or macptr.
5895 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5896 (attr_checksum): Likewise.
5897 (same_dw_val_p): Likewise.
5898 (size_of_die): Likewise.
5899 (value_format): Likewise.
5900 (output_die): Likewise.
5901 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5903 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5904 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5905 * config/darwin-protos.h (darwin_file_start): New.
5906 (darwin_asm_output_dwarf_offset): New.
5907 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5908 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5910 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5911 if not EH section; simplify.
5912 (darwin_file_start): New.
5913 (darwin_asm_output_dwarf_offset): New.
5914 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5916 (DEBUG_INFO_SECTION): Likewise.
5917 (DEBUG_ABBREV_SECTION): Likewise.
5918 (DEBUG_ARANGES_SECTION): Likewise.
5919 (DEBUG_MACINFO_SECTION): Likewise.
5920 (DEBUG_LINE_SECTION): Likewise.
5921 (DEBUG_LOC_SECTION): Likewise.
5922 (DEBUG_PUBNAMES_SECTION): Likewise.
5923 (DEBUG_STR_SECTION): Likewise.
5924 (DEBUG_RANGES_SECTION): Likewise.
5925 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5926 (ASM_OUTPUT_DWARF_OFFSET): New.
5928 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5930 * config.gcc (tm_defines): Always add to previous value rather
5933 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5935 * config/mips/predicates.md (splittable_const_int_operand): New,
5936 split from move_operand.
5937 (splittable_symbolic_operand): New.
5938 (move_operand): Add commentary. Use splittable_const_int_operand.
5939 Inline mips_atomic_symbolic_constant_p.
5940 * config/mips/mips.md: Add combine splitters for handling moves
5941 of splittable_const_int_operands and splittable_symbolic_operands.
5942 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5943 (mips_split_symbol): Declare.
5944 (mips_move_integer): Declare.
5945 * config/mips/mips.c (mips_split_p): Make global.
5946 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5947 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5948 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5949 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5950 (mips_offset_within_object_p): Handle block symbols.
5951 (mips_atomic_symbolic_constant_p): Delete.
5952 (mips_cannot_force_const_mem): Return false for constants that
5953 mips_legitimize_move can handle.
5954 (mips_use_blocks_for_constant_p): New function.
5955 (mips_split_symbol): Make global.
5956 (mips_move_integer): Likewise. Add a temporary register argument.
5957 (mips_legitimize_const_move): Use splittable_const_int_operand and
5958 splittable_symbolic_operand.
5959 (mips_use_anchors_for_symbol_p): New function.
5960 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5961 (mips_split_p): Declare.
5963 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5965 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5966 (mips*-*-linux*): Likewise.
5968 2006-03-16 Roger Sayle <roger@eyesopen.com>
5969 Daniel Speyer <dspeyer@wam.umd.edu>
5972 * tree-dump.c (dump_real): New function.
5973 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5974 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5975 (tree-dump.o): Add $(REAL_H) to the dependencies.
5977 2006-03-16 Roger Sayle <roger@eyesopen.com>
5980 * real.c (real_from_string): If the mantissa is zero, don't bother
5981 parsing the exponent as the result should always be zero.
5983 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5985 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5987 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5989 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5990 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5991 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5992 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5993 ia64_sched_finish_global): New static functions to implement
5994 hooks from gcc_target.sched.
5995 (spec_check_no, max_uid, pending_data_specs): New static variables.
5996 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5997 ia64_spec_check_src_p): New static functions.
5998 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5999 (TARGET_SCHED_ADJUST_COST): Removed.
6000 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6001 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6002 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6003 TARGET_SCHED_GEN_CHECK,
6004 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6005 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6006 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6007 Fixed to handle speculation checks.
6008 (rtx_needs_barrier): Fixed to handle speculative loads and
6010 (ia64_variable_issue): Added code to count speculative loads and their
6012 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6014 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6016 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6018 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6019 (ia64_reorg): Reset stops_p to NULL after it is freed.
6020 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6021 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6022 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6024 (data_speculative, control_speculative, check_load): New attributes.
6025 (mov<mode>_advanced, mov<mode>_speculative,
6026 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6027 zero_extend<mode>di2_speculative,
6028 zero_extend<mode>di2_speculative_advanced): New patterns for
6029 data and control speculative loads.
6030 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6032 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6033 New pattern for data and control speculation checks.
6034 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6035 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6036 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6037 Auxiliary definitions for the patterns.
6038 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6039 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6041 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6043 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6044 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6045 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6046 New resource constraints.
6047 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6049 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6050 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6051 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6052 msched-in-control-spec, msched-ldc, msched-control-ldc,
6053 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6054 msched-prefer-non-control-spec-insns,
6055 msched-count-spec-in-critical-path): New flags to tune speculative
6057 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6058 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6059 msched-in-control-spec, msched-ldc, msched-control-ldc,
6060 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6061 msched-prefer-non-control-spec-insns,
6062 msched-count-spec-in-critical-path): Document new flags.
6064 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6066 * target.h (struct spec_info_def): New opaque declaration.
6067 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6068 speculate_insn, needs_block_p, gen_check,
6069 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6070 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6071 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6072 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6073 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6074 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6076 (TARGET_SCHED): Use new macros.
6077 * rtl.h (copy_DEPS_LIST_list): New prototype.
6078 * sched-int.h (struct sched_info): Change signature of new_ready field,
6079 adjust all initializations. New fields: add_remove_insn,
6080 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6081 region_head_or_leaf_p.
6082 (struct spec_info_def): New structure declaration.
6083 (spec_info_t): New typedef.
6084 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6085 recovery_block, orig_pat.
6086 (glat_start, glat_end): New variables declaraions.
6087 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6089 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6090 DETACH_LIFE_INFO, USE_GLAT.
6091 (enum SPEC_SCHED_FLAGS): New enumeration.
6092 (NOTE_NOTE_BB_P): New macro.
6093 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6094 attach_life_info, debug_spec_status, check_reg_live): New functions.
6095 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6096 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6098 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6099 * ddg.c (get_block_head_tail): Adjust all uses.
6100 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6101 (sms_sched_info): Initialize new fields.
6102 (contributes_to_priority): Removed.
6103 * haifa-sched.c (params.h): New include.
6104 (get_block_head_tail): Adjust all uses.
6105 (ISSUE_POINTS): New macro.
6106 (glat_start, glat_end): New global variables.
6107 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6108 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6109 old_last_basic_block, before_recovery, current_sched_info_var,
6110 rgn_n_insns, luid): New static variables.
6111 (insn_cost1): New function. Move logic from insn_cost to here.
6112 (find_insn_reg_weight1): New function. Move logic from
6113 find_insn_reg_weight to here.
6114 (reemit_notes, move_insn, max_issue): Change signature.
6115 (move_insn1): Removed.
6116 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6117 extend_bb): New static functions to support extension of scheduler's
6119 (generate_recovery_code, process_insn_depend_be_in_spec,
6120 begin_speculative_block, add_to_speculative_block,
6121 init_before_recovery, create_recovery_block, create_check_block_twin,
6122 fix_recovery_deps): New static functions to support
6123 generation of recovery code.
6124 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6125 restore_bb_notes, move_block_after_check, move_succs): New static
6126 functions to support ebb scheduling.
6127 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6128 functions to support handling of register live information.
6129 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6130 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6131 add_jump_dependencies): New static functions.
6132 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6133 consistancy checking.
6134 (debug_spec_status): New function to call from debugger.
6135 (priority): Added code to handle speculation checks.
6136 (rank_for_schedule): Added code to distinguish speculative instructions.
6137 (schedule_insn): Added code to handle speculation checks.
6138 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6139 Fixed to handle ebbs.
6140 (move_insn): Added code to handle ebb scheduling.
6141 (max_issue): Added code to use ISSUE_POINTS of instructions.
6142 (choose_ready): Added code to choose between speculative and
6143 non-speculative instructions.
6144 (schedule_block): Added code to handle ebb scheduling and scheduling of
6145 speculative instructions.
6146 (sched_init): Initialize new variables.
6147 (sched_finish): Free new variables. Print statistics.
6148 (try_ready): Added code to handle speculative instructions.
6149 * lists.c (copy_DEPS_LIST_list): New function.
6150 * sched-deps.c (extend_dependency_caches): New function. Move logic
6151 from create_dependency_caches to here.
6152 (get_dep_weak, ds_merge): Make global.
6153 * genattr.c (main): Code to output prototype for
6154 dfa_clear_single_insn_cache.
6155 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6156 (output_dfa_clean_insn_cache_func): Code to output
6157 dfa_clear_single_insn_cache function.
6158 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6160 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6162 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6163 New static variables.
6164 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6165 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6167 (ebb_sched_info): Initialize new fields.
6168 (get_block_head_tail): Adjust all uses.
6169 (compute_jump_reg_dependencies): Fixed to use glat_start.
6170 (schedule_ebb): Code to remove unreachable last block.
6171 (schedule_ebbs): Added code to update register live information.
6172 * sched-rgn.c (region_sched_info): Initialize new fields.
6173 (get_block_head_tail): Adjust all uses.
6174 (last_was_jump): Removed. Adjust users.
6175 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6176 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6177 Implement new hooks.
6178 (check_dead_notes1): New static function.
6179 (struct region): New fields: dont_calc_deps, has_real_ebb.
6180 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6181 (BB_TO_BLOCK): Fixed to handle EBBs.
6182 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6183 (ebb_head): New static variable.
6184 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6185 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6187 (compute_dom_prob_ps): New assertion.
6188 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6189 global_live_at_start.
6190 (init_ready_list): New assertions.
6191 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6192 (new_ready): Add support for BEGIN_CONTROL speculation.
6193 (schedule_insns): Fixed code that updates register live information
6195 (schedule_region): Fixed to handle EBBs.
6196 (init_regions): Use extend_regions and check_dead_notes1.
6197 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6198 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6199 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6200 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6201 TARGET_SCHED_GEN_CHECK,
6202 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6203 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6204 * doc/invoke.texi (max-sched-insn-conflict-delay,
6205 sched-spec-prob-cutoff): Document.
6207 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6209 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6210 inter_tick, queue_index.
6211 (struct sched_info): Change signature of init_ready_list field.
6212 Adjust all initializations.
6213 (RESOLVED_DEPS): New access macro.
6214 (ready_add): Remove prototype.
6215 (try_ready): Add prototype.
6216 * sched-rgn.c (init_ready_list): Use try_ready.
6217 (schedule_region): Initialize
6218 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6219 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6220 (init_ready_list): Use try_ready.
6221 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6222 * lists.c (remove_list_elem): Remove `static'.
6223 (remove_free_INSN_LIST_elem): New function.
6224 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6225 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6226 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6228 (readyp): New variable.
6229 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6230 change_queue_index, resolve_dep): New static functions.
6231 (try_ready): New function. Adjust callers in sched-rgn.c and
6232 sched-ebb.c to use it instead of ready_add.
6233 (clock_var): Move at the begining of file.
6234 (rank_for_schedule): Fix typo.
6235 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6236 (ready_lastpos): Enforce assertion.
6237 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6239 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6240 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6241 (queue_to_ready): Use free_INSN_LIST_list.
6242 (early_queue_to_ready): Fix typo.
6243 (schedule_block): Init readyp. Move init_ready_list call after the
6244 initialization of clock_var. Fix error in rejecting insn by
6245 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6246 that previously corrected INSN_TICKs. Add code for handling
6248 (set_priorities): Fix typo.
6249 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6250 Clarify comment and code that keeps current_sched_info->next_tail
6253 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6255 * sched-rgn.c (extend_rgns): New static function.
6256 (find_rgns): Use it.
6257 (gather_region_statistics, print_region_statistics): New static
6259 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6260 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6262 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6263 Andrey Belevantsev <abel@ispras.ru>
6265 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6266 * lists.c (unused_deps_list): New variable.
6267 (free_list): Add assertions to verify the proper distinguishing
6268 between INSN_LISTs and DEPS_LISTs.
6269 (find_list_elem, remove_list_elem, remove_list_node): New static
6271 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6272 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6273 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6274 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6276 (free_INSN_LIST_node): Likewise.
6277 * modulo-sched.c (current_sched_info): Initialize flags field.
6278 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6279 * rtl.def (DEPS_LIST): Define.
6280 * rtl.h: Declare new functions from lists.c.
6281 * sched-deps.c (spec_dependency_cache): New static variable.
6282 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6283 (add_dependence): Change return type to void. Move the logic to ...
6284 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6285 (delete_all_dependences): Add comment about forward_dependency_cache.
6286 Handle spec_dependency_cache. Handle DEPS_LISTs.
6287 (fixup_sched_groups): Clarify the change of priority of output
6288 and anti dependencies.
6289 (sched_analyze_2): Adjust add_dependence calls to create data
6290 speculative dependence.
6291 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6292 Adjust all callers. Handle DEPS_LISTS.
6293 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6294 presence of speculation.
6295 (init_dependency_caches, free_dependency_caches):
6296 Handle spec_dependency_cache.
6297 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6298 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6299 New static functions.
6300 (add_or_update_back_dep, add_or_update_back_forw_dep,
6301 add_back_forw_dep, delete_back_forw_dep): New functions.
6302 * sched-int.h (ds_t, dw_t): New typedefs.
6303 (struct sched_info): Add new field flags.
6304 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6305 Prototype new sched-deps.c functions.
6306 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6307 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6308 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6309 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6310 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6311 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6313 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6315 * sched-rgn.c (current_sched_info): Initialize flags field.
6316 (schedule_insns): Initialize current_sched_info before the sched_init
6318 * sched-ebb.c (current_sched_info): Initialize flags field.
6319 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6320 Call add_or_update_back_dep instead of add_dependence.
6321 Create control speculative dependencies.
6322 (schedule_insns): Initialize current_sched_info before the sched_init
6325 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6327 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6329 (sh_fallback_frame_state): Likewise.
6331 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6333 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6334 Do switch on default_use_cxa_atexit.
6335 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6336 * config/darwin-crt3.o: New.
6337 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6338 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6339 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6341 * config/rs6000/t-darwin: Move crt2.o building to here.
6342 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6343 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6346 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6348 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6349 from '! xxx' to '!xxx' for coding-style conformance.
6350 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6351 (EXTRA_CONSTRAINT): Likewise.
6352 * config/vax/vax.md (four unnamed insns): Likewise.
6354 2006-03-15 Paul Brook <paul@codesourcery.com>
6356 * config/arm/arm.c (minipool_pad): New.
6357 (add_minipool_forward_ref): Include pool alignment padding in address
6359 (push_minipool_fix): Set minipool_pad.
6360 (minipool_pad): Ditto.
6362 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6364 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6365 instead of GET_CODE() == MEM and REG_P() instead of
6367 (print_operand_address): Likewise.
6368 (vax_address_cost): Likewise.
6369 (vax_rtx_costs): Likewise.
6370 (vax_notice_update_cc): Likewise.
6371 (vax_output_int_add): Likewise.
6372 (INDEX_REGISTER_P): Likewise.
6373 (BASE_REGISTER_P): Likewise.
6374 (nonindexed_address_p): Likewise.
6375 (vax_mode_dependent_address_p): Likewise.
6376 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6377 (PRINT_OPERAND): Likewise.
6378 * config/vax/vax.md (ashlsi3): Likewise.
6379 (ashlsi3): Likewise.
6380 (some more unnamed insns): Likewise.
6382 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6384 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6385 iterator-style macro.
6386 (mark_control_dependent_edges_necessary): Update the use of
6387 EXECUTE_IF_CONTROL_DEPENDENT.
6389 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6391 * config/sh/predicates.md (cache_address_operand): Special.
6392 (ua_address_operand): Likewise.
6394 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6396 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6398 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6400 2006-03-15 Andreas Schwab <schwab@suse.de>
6402 * gensupport.c (identify_predicable_attribute): Don't free p_false
6403 when it is still in use.
6405 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6407 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6408 the default setting here.
6410 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6412 * tree-pass.h (pass_cfg): Remove.
6413 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6414 * passes.c (pass_cfg): Don't run it.
6416 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6418 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6419 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6421 (stack_regs_mentioned): Update the uses of
6422 stack_regs_mentioned_data. Don't access the array beyond its
6424 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6425 Don't include gt-reg-stack.h.
6427 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6428 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6430 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6433 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6436 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6438 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6440 2006-03-14 Richard Guenther <rguenther@suse.de>
6442 PR tree-optimization/26672
6443 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6446 2006-03-14 Richard Guenther <rguenther@suse.de>
6448 PR tree-optimization/26667
6449 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6450 node for the callees. Always allow inlining if it will shrink
6453 2006-03-14 Richard Guenther <rguenther@suse.de>
6456 * builtins.c (get_pointer_alignment): Prefer alignment
6457 information from decls over that from types.
6459 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6462 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6464 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6466 * config/rs6000/rs6000.opt (mdlmzb): New option.
6467 (msched-prolog, msched-epilog): Use Var not Mask.
6468 * doc/invoke.texi (-mdlmzb): Document.
6469 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6471 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6472 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6474 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6476 PR rtl-optimization/25739
6477 * bt-load.c (augment_live_range): Free tos pointer.
6479 * gensupport.c (identify_predicable_attribute): Free
6481 * gcov.c (create_file_names): Free name pointer.
6483 2006-03-13 Roger Sayle <roger@eyesopen.com>
6486 * stmt.c (emit_case_nodes): Handle the case where the index is a
6487 CONST_INT, where the comparison mode is specified by the index type.
6489 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6491 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6494 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6496 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6497 (*branch_fp_inverted): Likewise.
6499 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6502 * omp-low.c (expand_omp_for_generic): Mark istart0
6503 and iend0 as addressable.
6505 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6507 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6509 2006-03-13 Jeff Law <law@redhat.com>
6511 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6512 virtual operands are interesting.
6513 (vrp_visit_stmt): Corresponding changes.
6515 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6517 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6519 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6520 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6521 * config/bfin/crti.S: Use it instead of __PIC__.
6522 * config/bfin/crtn.S: Likewise.
6524 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6525 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6527 Lose 'G' modifier for call operand.
6528 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6529 recognize 'G' modifier.
6531 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6534 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6535 * stmt.c (expand_case): Likewise.
6537 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6539 PR rtl-optimization/26254
6540 * loop-invariant.c (seq_insns_valid_p): New function.
6541 (move_invariant_reg): Only emit new code if it is valid.
6543 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6545 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6547 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6548 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6549 (commit_one_edge_insertion): Do not look for loop notes.
6551 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6553 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6554 flag_test_coverage out of loop.
6556 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6558 * final.c (shorten_branches): Remove outdated comment, and turn
6559 the if branch that guards it to continue.
6561 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6563 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6564 * cfgloop.h (struct loop): Remove unused fields.
6566 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6568 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6569 (-dL, -fdump-rtl-loop2): Update the dump file names
6571 * doc/invoke.texi: Update dump file names.
6573 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6575 * predict.c (estimate_probability): Remove.
6576 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6577 * basic-block.h (estimate_probability): Remove prototype.
6578 * passes.c (finish_optimization_passes): Dump branch prediction or
6579 profiling heuristics to the .profile tree dump.
6580 (init_optimization_passes): Unqueue pass_branch_prob.
6582 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6584 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6586 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6587 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6589 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6591 * function.h (frame_offset_overflow): Declare.
6592 * function.c (frame_offset_overflow): New function.
6593 (assign_stack_local_1): Call it to detect that the offset overflows.
6594 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6596 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6598 * config/sh/sh.c: Include alloc-pool.h.
6599 (label_ref_list_pool): New alloc pool.
6600 (label_ref_list_t): New type for lists of labels.
6601 (struct pool_node): Make wend a label_ref_list_t.
6602 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6604 (dump_table): Likewise.
6605 (sh_reorg): Set up the alloc pool before using add_constant and
6606 dump_table, and destroy it when finishing.
6608 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6610 * config/mips/mips.c: Remove redundant comment.
6612 2006-03-10 Jason Merrill <jason@redhat.com>
6615 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6616 the target was declared 'register'.
6618 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6620 * genpreds.c (write_insn_constraint_len): Change definition of
6621 insn_constraint_len to return size_t to match the declaration.
6623 2006-03-10 DJ Delorie <dj@redhat.com>
6625 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6627 (m32c_expand_insv): Fix test for an AND mask.
6629 2006-03-10 Richard Guenther <rguenther@suse.de>
6632 * builtins.c (get_pointer_alignment): Handle component
6633 references for field alignment.
6635 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6637 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6638 when building with libgloss.
6639 (sh*elf): Implement --without-fp option.
6640 (sh64-superh-linux*): Don't multilib.
6642 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6644 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6646 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6648 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6649 Set it when one of the replacement functions returned true.
6650 Return TODO_cleanup_cfg if cfgchanged is true.
6651 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6653 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6655 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6656 instead of gen_lowpart.
6658 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6660 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6662 (mips_output_order_conditional_branch): Declare.
6663 * config/mips/mips.h (MIPS_BRANCH): New macro.
6664 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6665 for the comparison. Use gen_condjump.
6666 (mips_output_conditional_branch): Rework interface to take the
6667 asm templates for a direct branch and the inverse of a direct branch.
6668 (mips_output_order_conditional_branch): New function.
6669 (mips_builtin_branch_and_move): New function.
6670 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6671 branch condition. Use gen_single_cc as the condition for
6672 __builtin_mips_upper_* or __builtin_mips_lower_*.
6673 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6674 Use VOIDmode for the branch condition.
6675 * config/mips/predicates.md (order_operator): New predicate.
6676 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6677 (branch_fp): Rename to...
6678 (*branch_fp): ...this. Remove mode from comparison operator.
6679 Use new mips_output_conditional_branch interface.
6680 (branch_fp_inverted): Rename to...
6681 (*branch_fp_inverted): ...this and update as for *branch_fp.
6682 (*branch_zero<mode>): Rename to...
6683 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6684 Use mips_output_order_conditional_branch. Only accept ordered
6686 (*branch_zero<mode>_inverted): Rename to...
6687 (*branch_order<mode>_inverted): ...this and update as for
6688 *branch_order<mode>.
6689 (*branch_equality<mode>): Accept zero as the second operand to
6690 the equality operator. Use the new mips_output_conditional_branch
6692 (*branch_equality<mode>_inverted): Likewise.
6693 (condjump): New expander.
6694 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6696 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6697 (bc1any2t, bc1any2f): Likewise.
6698 (single_cc): New expander.
6699 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6701 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6703 * doc/md.texi: Update documentation of MIPS constraints.
6704 * config/mips/constraints.md: New file.
6705 * config/mips/mips.md: Include it.
6706 * config/mips/mips.c (mips_char_to_class): Delete.
6707 (override_options): Don't initialize mips_char_to_class.
6708 * config/mips/mips.h (mips_char_to_class): Delete.
6709 (REG_CLASS_FROM_LETTER): Delete.
6710 (CONST_OK_FOR_LETTER_P): Delete.
6711 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6712 (EXTRA_CONSTRAINT_Y): Delete.
6713 (EXTRA_CONSTRAINT_STR): Delete.
6714 (CONSTRAINT_LEN): Delete.
6715 (EXTRA_MEMORY_CONSTRAINT): Delete.
6717 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6719 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6720 original fn's eh regions.
6722 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6724 * fold-const.c (build_range_check): Make sure to use a valid type to
6725 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6728 (range_predecessor): New static function.
6729 (range_successor): Likewise.
6730 (merge_ranges): Use them to compute predecessors and successors of
6733 2006-03-09 Roger Sayle <roger@eyesopen.com>
6736 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6737 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6739 2006-03-08 DJ Delorie <dj@redhat.com>
6741 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6742 (addpsi3): Expand to include memory operands. Remove
6743 reload-specific splits.
6744 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6745 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6746 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6747 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6748 (shift1_qi, shift1_hi, insv): New.
6749 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6750 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6751 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6753 * config/m32c/m32c-protos.h: Update as needed.
6754 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6755 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6756 Fail for unrecognized R* constraints.
6757 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6758 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6759 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6761 (m32c_init_libfuncs): New.
6762 (m32c_legitimate_address_p): Add debug wrapper.
6763 (m32c_rtx_costs): New.
6764 (m32c_address_cost): New.
6765 (conversions): Add 'B' prefix.
6766 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6767 operands, or word regnames for QI operands. 'B' prints bit
6769 (m32c_expand_setmemhi): New.
6770 (m32c_expand_movmemhi): New.
6771 (m32c_expand_movstr): New.
6772 (m32c_expand_cmpstr): New.
6773 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6774 (m32c_expand_neg_mulpsi3): Handle non-ints.
6775 (m32c_cmp_flg_0): New.
6776 (m32c_expand_movcc): New.
6777 (m32c_expand_insv): New.
6778 (m32c_scc_pattern): New.
6779 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6780 a0/a1 out of SIregs.
6781 (STORE_FLAG_VALUE): New.
6782 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6785 * config/m32c/mov.md: Make constraints more liberal.
6786 (zero_extendqihi2): Optimize r0/r1 case.
6787 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6788 * config/m32c/predicates.md (m32c_any_operand): New.
6789 (m32c_nonimmediate_operand): New.
6790 (m32c_hl_operand): New.
6791 (m32c_r3_operand): New.
6794 (memsym_operand): New.
6795 (memimmed_operand): New.
6796 (a_qi_operand): New.
6797 (m32c_eqne_operator): New.
6798 (m32c_1bit8_operand): New.
6799 (m32c_1bit16_operand): New.
6800 (m32c_1mask8_operand): New.
6801 (m32c_1mask16_operand): New.
6802 * config/m32c/blkmov.md: New file.
6803 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6805 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6807 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6808 unsigned to fix signed/unsigned comparison issue in
6809 DWARF2_FRAME_REG_OUT.
6810 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6811 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6813 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6814 of ptr into the ENABLE_CHECKING section.
6816 2006-03-08 Jeff Law <law@redhat.com>
6818 * tree-vrp.c (infer_value_range): Only count pointer uses
6819 and dereferences if -fdelete-null-pointer-checks is enabled.
6821 * tree-vrp.c (find_assert_locations): Infer value ranges for
6822 single use pointers, but do not create ASSERT_EXPRs for them.
6823 When a non-null range is inferred for a pointer, backwards
6824 propagate that range to other equivalent pointers through the
6827 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6830 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6831 language hook targets.
6832 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6833 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6834 if language hook targets were missing.
6836 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6838 * tree-ssa-opfinalize.h: Removed.
6839 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6841 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6842 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6843 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6844 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6845 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6846 finalize_ssa_v_must_def_ops): New.
6848 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6850 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6853 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6855 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6857 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6858 addresses with offsets; reorganize.
6860 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6861 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6862 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6864 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6867 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6869 2006-03-08 Ben Elliston <bje@au.ibm.com>
6871 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6873 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6876 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6879 2006-03-07 Richard Guenther <rguenther@suse.de>
6881 PR tree-optimization/26587
6882 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6884 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6886 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6888 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6890 * hooks.c (hook_bool_mode_rtx_true): New function.
6891 * hooks.h (hook_bool_mode_rtx_true): Declare.
6892 * toplev.c (compile_file): Call output_shared_constant_pool.
6893 * varasm.c (shared_constant_pool): New variable.
6894 (assemble_start_function, assemble_end_function): Remove arguments
6895 from call to output_constant_pool.
6896 (create_constant_pool): New function, split out from...
6897 (init_varasm_status): ...here.
6898 (force_const_mem): Choose between the shared and per-function constant
6899 pools. Set current_function_uses_const_pool when reusing old entries
6900 as well as when creating new ones.
6901 (mark_constant): Ignore data argument.
6902 (mark_constants): Remove pool argument.
6903 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6904 to decide whether the function uses a constant pool.
6905 (output_constant_pool_contents): New function, split out from...
6906 (output_constant_pool): ...here.
6907 (output_shared_constant_pool): New function.
6908 (init_varasm_once): Initialize shared_constant_pool.
6909 * output.h (output_constant_pool): Delete.
6910 (output_shared_constant_pool): Declare.
6911 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6912 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6914 2006-03-06 Nick Clifton <nickc@redhat.com>
6916 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6917 flag_strength_reduce.
6919 2006-03-06 Ben Elliston <bje@au.ibm.com>
6921 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6922 x86_64-*-linux* configurations.
6924 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6925 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6927 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6929 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6931 * basic-block.h: Remove the extern for
6932 rediscover_loops_after_threading.
6934 * cfgloop.c (cancel_loop): Make it static.
6935 * cfgloop.h: Remove the prototype for cancel_loop.
6937 * flow.c (recompute_reg_usage): Make it static.
6938 * rtl.h: Remove the prototype for recompute_reg_usage.
6940 * function.c (use_return_register): Make it static.
6941 * function.h: Remove the prototype.
6943 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6945 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6947 * recog.h: Remove the prototype for
6948 validate_change_maybe_volatile.
6950 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6952 * rtlanal.c (replace_reg): Remove.
6953 * rtl.h: Remove the prototype for replace_reg.
6955 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6957 * regclass.c (reg_scan_update): Remove.
6958 (reg_scan_mark_refs): Remove the last argument.
6959 * rtl.h: Remove the prototype for reg_scan_update.
6961 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6963 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6964 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6965 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6966 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6967 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6968 loop-invariant.c, omp-low.c, opts.c, passes.c,
6969 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6970 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6971 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6972 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6973 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6974 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6976 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6978 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6979 * dwarf2out.h: Remove the prototype for
6980 dwarf2out_add_library_unit_info.
6982 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6984 * tree.c (add_var_to_bind_expr): Remove.
6985 * tree.h: Remove the prototype for add_var_to_bind_expr.
6987 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6989 * regclass.c (n_non_fixed_regs): Remove.
6990 (init_reg_sets_1, globalize_reg): Remove all uses of
6992 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6994 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6996 * rtlanal.c (insns_safe_to_move_p): Remove.
6997 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7001 * expmed.c (expand_mult_add): Remove.
7002 * expr.h: Remove the prototype for expand_mult_add.
7004 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7006 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7007 and REG_SAVED_VAL_EXP constants.
7008 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7009 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7010 Handle regs stored by value.
7011 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7012 (execute_cfa_program): Handle DW_CFA_val_offset,
7013 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7014 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7015 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7016 (uw_install_context_1): Handle target regs stored by value.
7018 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7020 * tree-sra.c (tree_sra): Return todoflags;
7021 (generate_one_element): Set TODO_update_smt_usage if needed.
7022 (pass_sra): Remove TODO_update_smt_usage.
7023 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7025 (tree_ssa_forward_propagate_single_use_vars): Return
7026 TODO_update_smt_usage if we need to update SMT usage.
7027 (pass_forwprop): Remove TODO_update_smt_usage.
7029 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7031 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7032 (correct_use_link): Remove reference to get_stmt_operands.
7033 (update_stmt_operands): Likewise.
7034 (get_modify_expr_operands): New function factored out of
7035 parse_ssa_operands and get_expr_operands.
7036 Try to create V_MUST_DEFs for LHS by default.
7037 (get_expr_operands) <case MODIFY_EXPR>: Call
7038 get_modify_expr_operands.
7039 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7040 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7041 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7042 get_modify_expr_operands.
7044 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7046 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7047 * tree-flow.h: Remove the prototype for
7048 referenced_var_lookup_if_exists.
7050 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7052 PR rtl-optimization/26345
7054 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7056 2006-03-03 Roger Sayle <roger@eyesopen.com>
7058 PR tree-optimization/26524
7059 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7060 fold_convert to create a constant of the appropriate type.
7062 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7064 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7065 SYMBOL_REF_IN_BLOCK_P.
7066 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7067 of SYMBOL_FLAG_IN_BLOCK.
7068 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7069 instead of SYMBOL_REF_IN_BLOCK_P.
7070 * explow.c (use_anchored_address): Likewise.
7071 * rtl.c (rtx_size): Likewise.
7072 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7073 instead of SYMBOL_FLAG_IN_BLOCK.
7074 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7075 SYMBOL_REF_IN_BLOCK_P.
7076 (assemble_variable): Likewise.
7077 (output_constant_def_contents): Likewise.
7078 (output_constant_pool): Likewise.
7079 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7080 instead of SYMBOL_FLAG_IN_BLOCK.
7081 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7082 SYMBOL_REF_IN_BLOCK_P.
7083 (SYMBOL_REF_BLOCK): Likewise.
7084 (SYMBOL_REF_OFFSET): Likewise.
7085 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7086 SYMBOL_REF_IN_BLOCK_P.
7087 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7088 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7089 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7090 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7092 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7094 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7096 2006-03-02 Roger Sayle <roger@eyesopen.com>
7098 * simplify-rtx.c (simplify_unary_operation): When simplifying
7099 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7100 that we perform the right shift in the appropriate mode, and
7101 then extend or truncate the result to requested mode.
7103 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7105 * gengtype.c (main): Handle double_int type.
7106 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7107 * double-int.c: New file.
7108 * double-int.h: New file.
7109 * system.h: Include doubleint.h.
7110 * Makefile.in (SYSTEM_H): Include double-int.h.
7111 (double-int.o): Add.
7113 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7116 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7119 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7121 * tree-vrp.c (remove_range_assertions): Do not update statements
7124 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7126 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7128 * gcse.c (rest_of_handle_gcse): Ditto.
7129 * except.c (gate_handle_eh): Ditto.
7130 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7131 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7133 2006-03-02 Eric Christopher <echristo@apple.com>
7135 * config/i386/i386.c (machopic_output_stub): Add indirection to
7138 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7142 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7144 Sun Niagara specific optimizations.
7145 * config.gcc: Recognize niagara as target.
7146 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7147 (TARGET_CPU_niagara): Define.
7148 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7149 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7150 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7151 (ASM_CPU_SPEC): Likewise.
7152 (PROCESSOR_NIAGARA): New enum entry.
7153 (REGISTER_MOVE_COST): Handle Niagara.
7154 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7155 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7156 (sparc_override_options): Recognize "niagara", set appropriate
7157 default MASK_* values for it, and align functions to 32-bytes
7158 by default just like ULTRASPARC/ULTRASPARC3.
7159 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7160 (sparc64_initialize_trampoline): Likewise.
7161 (sparc_use_sched_lookahead): Use zero for niagara.
7162 (sparc_issue_rate): Use one for niagara.
7163 * config/sparc/niagara.md: New file.
7164 * config/sparc/sparc.md: Include it.
7165 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7166 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7167 when default cpu is niagara.
7168 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7169 (ASM_CPU_SPEC): Likewise.
7170 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7171 when default cpu is niagara.
7172 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7173 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7174 just like v9/ultrasparc/ultrasparc3.
7175 * doc/invoke.texi: Add documentation for "niagara" and improve
7176 existing documentation for ultrasparc variants.
7178 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7180 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7182 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7184 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7185 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7186 and say that only one is needed.
7187 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7188 * target.h (have_switchable_bss_sections): New hook.
7189 * explow.c (use_anchored_address): Check that the symbol is in a block.
7190 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7191 (bss_noswitch_section): New variables.
7192 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7193 (get_noswitch_section): New function.
7194 (get_block_for_section): Allow SECT to be null.
7195 (unlikely_text_section_p): Use SECTION_STYLE.
7196 (bss_initializer_p): New function.
7197 (get_variable_section): Move earlier in file. Take a new argument,
7198 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7199 Return one of the new *_sections in such cases.
7200 (get_block_for_decl): New function, extracting some logic from
7201 use_blocks_for_decl_p.
7202 (change_symbol_section): Remove in favor of...
7203 (change_symbol_block): ...this new function.
7204 (use_blocks_for_decl_p): Remove checks now performed by
7206 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7207 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7208 (emit_local, emit_bss, emit_common): ...these new functions.
7209 Return true if the alignment was honored.
7210 (emit_tls_common): New function.
7211 (asm_emit_uninitialised): Delete.
7212 (assemble_variable_noswitch): New function, split out from...
7213 (assemble_variable): ...here. Don't make decisions about common
7214 variables here. Globalize all public decls that go into non-common
7215 sections. Check whether SYMBOL_REF_BLOCK is null.
7216 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7217 (output_constant_pool): Likewise.
7218 (init_varasm_once): Initialize the new section variables.
7219 (have_global_bss_p): New function.
7220 (categorize_decl_for_section): Use bss_initializer_p.
7221 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7222 (place_block_symbol): Assert that the symbol must be in a block.
7223 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7224 (TARGET_INITIALIZER): Include it.
7225 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7226 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7227 (SECTION_MACH_DEP): Bump by two.
7228 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7229 (unnamed_section): Mention SECTION_UNNAMED in comment.
7230 (named_section): Likewise SECTION_NAMED.
7231 (noswitch_section_callback): New type.
7232 (noswitch_section): New structure.
7233 (section): Add a noswitch_section alternative.
7234 (SECTION_STYLE): New macro.
7235 (tls_comm_section, comm_section, lcomm_section): Declare.
7236 (bss_noswitch_section, have_global_bss_p): Declare.
7237 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7238 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7240 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7241 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7244 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7246 * tree-vrp.c (execute_vrp): Return value.
7247 * regrename.c (rest_of_handle_regrename): Ditto.
7248 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7249 * tree-complex.c (tree_lower_complex): Ditto.
7250 (tree_lower_complex_O0): Ditto.
7251 * tracer.c (rest_of_handle_tracer): Ditto.
7252 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7253 * postreload.c (rest_of_handle_postreload): Ditto.
7254 * tree-tailcall.c (execute_tail_recursion): Ditto.
7255 (execute_tail_calls): Ditto.
7256 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7257 * tree.h (init_function_for_compilation): Ditto.
7258 * ipa-cp.c (ipcp_driver): Ditto.
7259 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7260 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7261 * final.c (compute_alignments): Ditto.
7262 (rest_of_handle_final): Ditto.
7263 (rest_of_handle_shorten_branches): Ditto.
7264 (rest_of_clean_state): Ditto.
7265 * omp-low.c (execute_expand_omp): Ditto.
7266 (execute_lower_omp): Ditto.
7267 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7268 * ipa-reference.c (static_execute): Ditto.
7269 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7270 * reorg.c (rest_of_handle_delay_slots): Ditto.
7271 (rest_of_handle_machine_reorg): Ditto.
7272 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7273 * flow.c (recompute_reg_usage): Ditto.
7274 (rest_of_handle_remove_death_notes): Ditto.
7275 (rest_of_handle_life): Ditto.
7276 (rest_of_handle_flow2): Ditto.
7277 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7278 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7279 (do_ssa_store_ccp): Ditto.
7280 (execute_fold_all_builtins): Ditto.
7281 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7282 * modulo-sched.c (rest_of_handle_sms): Ditto.
7283 * ipa-pure-const.c (static_execute): Ditto.
7284 * cse.c (rest_of_handle_cse): Ditto.
7285 (rest_of_handle_cse2): Ditto.
7286 * web.c (rest_of_handle_web): Ditto.
7287 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7288 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7289 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7290 * tree-nrv.c (tree_nrv): Ditto.
7291 (execute_return_slot_opt): Ditto.
7292 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7293 (create_structure_vars): Ditto.
7294 * loop-init.c (rtl_loop_init): Ditto.
7295 (rtl_loop_done): Ditto.
7296 (rtl_move_loop_invariants): Ditto.
7297 (rtl_unswitch): Ditto.
7298 (rtl_unroll_and_peel_loops): Ditto.
7299 (rtl_doloop): Ditto.
7300 * gimple-low.c (lower_function_body): Ditto.
7301 (mark_used_blocks): Ditto.
7302 * tree-ssa-sink.c (execute_sink_code): Ditto.
7303 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7304 (cgraph_early_inlining): Ditto.
7305 * global.c (rest_of_handle_global_alloc): Ditto.
7306 * jump.c (cleanup_barriers): Ditto.
7307 (purge_line_number_notes): Ditto.
7308 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7309 (rest_of_handle_if_after_reload): Ditto.
7310 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7311 (tree_ssa_loop_im): Ditto.
7312 (tree_ssa_loop_unswitch): Ditto.
7313 (tree_vectorize): Ditto.
7314 (tree_linear_transform): Ditto.
7315 (tree_ssa_loop_ivcanon): Ditto.
7316 (tree_ssa_empty_loop): Ditto.
7317 (tree_ssa_loop_bounds): Ditto.
7318 (tree_complete_unroll): Ditto.
7319 (tree_ssa_loop_prefetch): Ditto.
7320 (tree_ssa_loop_ivopts): Ditto.
7321 (tree_ssa_loop_done): Ditto.
7322 * predict.c (tree_estimate_probability): Ditto.
7323 * recog.c (split_all_insns_noflow): Ditto.
7324 (rest_of_handle_peephole2): Ditto.
7325 (rest_of_handle_split_all_insns): Ditto.
7326 * tree-eh.c (lower_eh_constructs): Ditto.
7327 * regmove.c (rest_of_handle_regmove): Ditto.
7328 (rest_of_handle_stack_adjustments): Ditto.
7329 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7330 * function.c (instantiate_virtual_regs): Ditto.
7331 (init_function_for_compilation): Ditto.
7332 (rest_of_handle_check_leaf_regs): Ditto.
7333 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7334 (rest_of_handle_gcse): Ditto.
7335 * ipa-type-escape.c (type_escape_execute): Ditto.
7336 * alias.c (rest_of_handle_cfg): Ditto.
7337 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7338 * profile.c (rest_of_handle_branch_prob): Ditto.
7339 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7340 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7341 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7342 * tree-dfa.c (find_referenced_vars): Ditto.
7343 * except.c (set_nothrow_function_flags): Ditto.
7344 (convert_to_eh_region_ranges): Ditto.
7345 (rest_of_handle_eh): Ditto.
7346 * emit-rtl.c (unshare_all_rtl): Ditto.
7347 (remove_unnecessary_notes): Ditto.
7348 * except.h (set_nothrow_function_flags): Ditto.
7349 (convert_to_eh_region_ranges): Ditto.
7350 * cfgexpand.c (tree_expand_cfg): Ditto.
7351 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7352 * tree-ssa-pre.c (do_pre): Ditto.
7353 (execute_fre): Ditto.
7354 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7355 (rest_of_handle_jump2): Ditto.
7356 * tree-sra.c (tree_sra): Ditto.
7357 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7358 (execute_mudflap_function_decls): Ditto.
7359 * tree-ssa-copy.c (do_copy_prop): Ditto.
7360 (do_store_copy_prop): Ditto.
7361 * ipa-prop.h (ipcp_driver): Ditto.
7362 * cfglayout.c (insn_locators_initialize): Ditto.
7363 * tree-ssa-forwprop.c
7364 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7365 * cfglayout.h (insn_locators_initialize): Ditto.
7366 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7367 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7368 (execute_late_warn_uninitialized): Ditto.
7369 * rtl.h (cleanup_barriers): Ditto.
7370 (split_all_insns_noflow): Ditto.
7371 (purge_line_number_notes): Ditto.
7372 (unshare_all_rtl): Ditto.
7373 (remove_unnecessary_notes): Ditto.
7374 (recompute_reg_usage): Ditto.
7375 (variable_tracking_main): Ditto.
7376 * integrate.c (emit_initial_value_sets): Ditto.
7377 * integrate.h (emit_initial_value_sets): Ditto.
7378 * tree-optimize.c (execute_free_datastructures): Ditto
7379 (execute_free_cfg_annotations): Ditto.
7380 (execute_fixup_cfg): Ditto.
7381 (execute_cleanup_cfg_pre_ipa): Ditto.
7382 (execute_cleanup_cfg_post_optimizing): Ditto.
7383 (execute_init_datastructures): Ditto.
7384 * tree-object-size.c (compute_object_sizes): Ditto.
7385 * combine.c (rest_of_handle_combine): Ditto.
7386 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7387 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7388 (rest_of_handle_reorder_blocks): Ditto.
7389 (rest_of_handle_partition_blocks): Ditto.
7390 * var-tracking.c (variable_tracking_main): Ditto.
7391 * tree-profile.c (tree_profiling): Ditto.
7392 * tree-vect-generic.c (expand_vector_operations): Ditto.
7393 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7394 * sched-rgn.c (rest_of_handle_sched): Ditto.
7395 (rest_of_handle_sched2): Ditto.
7396 * basic-block.h (free_bb_insn): Ditto.
7397 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7398 * tree-cfg.c (execute_build_cfg): Ditto.
7399 (remove_useless_stmts): Ditto.
7400 (split_critical_edges): Ditto.
7401 (execute_warn_function_return): Ditto.
7402 (execute_warn_function_noreturn): Ditto.
7403 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7404 * cfgrtl.c (free_bb_for_insn): Ditto.
7405 * passes.c (execute_one_pass): Run additional
7406 todos returned by execute function.
7407 * tree-pass.h (struct tree_opt_pass): Make execute
7410 2006-03-02 Richard Guenther <rguenther@suse.de>
7412 * tree-ssa-alias.c (find_used_portions): Consider taking
7413 the address as making the variable not write-only.
7415 2006-03-02 Nick Clifton <nickc@redhat.com>
7417 * config.gcc (default_use_cxa_atexit): Extend the description of
7418 this configure variable. Set its default value to "yes" for
7419 Linux, NetBSD and ELF targets on the assumption that they will
7420 use C libraries with the __cxa_atexit function.
7422 2006-03-02 Ben Elliston <bje@au.ibm.com>
7424 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7425 parameter as unused to suppress a build warning.
7427 2006-03-02 Ben Elliston <bje@au.ibm.com>
7429 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7432 2006-03-01 Roger Sayle <roger@eyesopen.com>
7435 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7436 declared name, the weak reference name, and the typeof name.
7437 (__gthrw): Avoid expanding the declared name suffix.
7438 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7440 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7442 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7444 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7445 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7446 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7447 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7448 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7449 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7450 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7451 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7452 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7453 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7454 (DW_END_default, DW_END_big, DW_END_little): New.
7455 (DW_END_lo_user, DW_END_hi_user): Define.
7456 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7457 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7458 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7461 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7463 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7465 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7467 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7469 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7471 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7472 to 'symbol_mem_tag'.
7474 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7477 2006-03-01 Roger Sayle <roger@eyesopen.com>
7479 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7481 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7484 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7485 MACHO_DYNAMIC_NO_PIC_P.
7486 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7488 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7491 * config/darwin-protos.h (darwin_asm_output_anchor):
7493 * config/darwin-sections.def (cstring_section):
7494 Add SECTION_MERGE to the flags.
7495 (literal4_section): Likewise.
7496 (literal8_section): Likewise.
7497 (objc_selector_refs_section): Likewise.
7498 (objc_cls_refs_section): Likewise.
7499 * config/darwin.c (darwin_asm_output_anchor): New
7501 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7503 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7505 Fix PR tree-optimization/26443
7506 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7507 to todo and PROP_tmt_usage to properties_destroyed.
7508 * tree-ssa-ccp.c (pass_ccp): Ditto.
7509 (pass_store_ccp): Ditto.
7510 * tree-ssa-dom.c (pass_dominator): Ditto.
7512 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7514 * tree-ssa-operands.c: Cleanup whitespace.
7515 (get_asm_expr_operands): Move before first invocation.
7516 (get_indirect_ref_operands): Likewise.
7517 (get_tmr_operands): Likewise.
7518 (get_call_expr_operands): Likewise.
7519 (append_def): Likewise.
7520 (append_use): Likewise.
7521 (append_v_may_def): Likewise.
7522 (append_v_must_def): Likewise.
7523 (add_call_clobber_ops): Likewise.
7524 (add_call_read_ops): Likewise.
7525 (add_stmt_operand): Likewise.
7526 (add_virtual_operand): Likewise.
7527 (build_ssa_operands): Likewise.
7529 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7534 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7535 with a call expr to ...
7536 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7538 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7540 * tree-vrp.c (extract_range_from_assert): Remove special
7541 handling for types with super-types.
7543 2006-03-01 Ben Elliston <bje@au.ibm.com>
7545 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7546 and powerpc64-*-linux* configurations.
7547 * config/t-dfprules: New file.
7549 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7550 Compile dfp-bit.c from the source directory using -DWIDTH and
7551 $DFP_CFLAGS to control the compilation of that file, rather than
7552 generating width-specific versions in the build directory.
7553 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7554 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7556 2006-02-28 Zack Weinberg <zackw@panix.com>
7558 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7561 2006-02-28 Eric Christopher <echristo@apple.com>
7563 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7564 Set up IN_LIBGCC definition of TARGET_64BIT.
7565 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7567 2006-02-28 Roger Sayle <roger@eyesopen.com>
7570 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7571 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7572 cases via the construction of "expr != 0".
7574 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7576 * alias.c (alias_invariant, alias_invariant_size): Remove.
7577 (record_base_value): Remove.
7578 (memrefs_conflict_p): Don't look at alias_invariant.
7579 (end_alias_analysis): Don't free it.
7580 * alias.h (record_base_value): Remove prototype.
7582 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7583 Adam Nemet <anemet@caviumnetworks.com>
7585 * rtl.h (truncated_to_mode): Declare it.
7586 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7587 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7588 (RTL_HOOKS_INITIALIZER): Include it.
7589 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7590 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7591 reg_truncated_to_mode.
7592 * rtlanal.c (truncated_to_mode): Define it.
7593 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7595 2006-02-28 Jeff Law <law@redhat.com>
7597 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7598 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7599 the range allowed by TYPE_PRECISION.
7601 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7603 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7605 PR tree-optimization/26419
7606 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7609 2006-02-27 Zack Weinberg <zackw@panix.com>
7611 * doc/md.texi: Fix typo in previous change.
7613 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7617 2006-02-27 Zack Weinberg <zackw@panix.com>
7619 * rtl.def (define_constraint, define_register_constraint)
7620 (define_memory_constraint, define_address_constraint): New MD forms.
7621 * gensupport.c (process_rtx): Put define_constraint etc on the
7623 * genpreds.c (process_define_predicate): Adjust comment. Validate
7624 the name, and call validate_exp to validate the expression.
7625 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7626 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7627 all callers changed.
7628 (validate_exp, needs_variable, struct constraint_data)
7629 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7630 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7631 (const_dbl_constraints, constraint_max_namelen)
7632 (have_register_constraints, have_memory_constraints)
7633 (have_address_constraints, have_address_constraints)
7634 (have_extra_constraints, have_const_int_constraints)
7635 (have_const_dbl_constraints, mangle, add_constraint)
7636 (process_define_constraint, process_define_register_constraint)
7637 (write_enum_constraint_num, write_lookup_constraint)
7638 (write_insn_constraint_len, write_regclass_for_constraint)
7639 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7640 (write_insn_extra_memory_constraint)
7641 (write_insn_extra_address_constraint)
7642 (write_satisfies_constraint_fns): New.
7643 (write_tm_preds_h): If we have new-style constraint definitions,
7644 prototype the functions generated from them, and define the
7645 old constraint interface (still used by generic code) in terms of
7647 (write_insn_preds_c): If we have new-style constraint definitions,
7648 generate all relevant functions from those definitions.
7649 (main): Handle define_constraint etc.
7650 * genoutput.c (struct constraint_data, indep_constraints)
7651 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7652 (mdep_constraint_len): New data structures and functions, defined
7653 #ifdef USE_MD_CONSTRAINTS.
7654 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7655 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7656 use new logic to validate operand constraints against constraint
7658 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7660 * defaults.h: If none of the old-style constraint macros are
7661 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7662 old-style macros; and poison REG_CLASS_FROM_LETTER,
7663 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7665 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7666 * doc/md.texi: Document new constraint-definition mechanism and the
7667 C interface it provides. Remove references to old mechanism
7668 elsewhere in the document.
7669 (Machine Constraints): Use pathnames relative to gcc directory,
7670 i.e. config/ARCH/FILE. Change i386 section to refer to
7671 config/i386/predicates.md; update that section to match docstrings.
7672 * doc/tm.texi: Move all documentation of the old constraint-
7673 definition macros to their own section, clearly mark as obsolete.
7675 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7676 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7678 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7679 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7680 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7682 (splits and peepholes): Use satisfies_constraint_*.
7683 * config/i386/i386.c (memory_address_length)
7684 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7686 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7688 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7689 scalar operation to be put back into the loop.
7691 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7694 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7695 (extract_cie_info): Handle S flag in augmentation string.
7696 (execute_cfa_program): If context->signal_frame, execute also
7697 fs->pc == context->ra instructions.
7698 (uw_frame_state_for): If context->signal_frame, don't subtract one
7699 from context->ra to find FDE.
7700 (uw_update_context_1): Set context->signal_frame to
7702 (_Unwind_GetIPInfo): New function.
7703 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7704 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7706 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7707 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7708 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7709 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7710 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7711 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7712 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7713 x86_64_fallback_frame_state): Set fs->signal_frame.
7714 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7715 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7716 (frob_update_context): Likewise. Workaround missing S flag in
7717 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7718 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7719 Remove the psw_addr + 1 hack.
7721 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7723 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7724 with aggregates here.
7725 (find_func_aliases): Remove code for &<aggregate> from here.
7727 2006-02-26 Roger Sayle <roger@eyesopen.com>
7729 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7730 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7731 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7734 2006-02-26 Roger Sayle <roger@eyesopen.com>
7737 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7739 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7741 * opts.c (decode_options): Do not handle flag_strength_reduce.
7742 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7743 and OPT_fstrength_reduce.
7744 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7745 flag_prefetch_loop_arrays for being nonzero.
7746 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7748 (fprefetch-loop-arrays-rtl): Removed.
7749 (flag_prefetch_loop_arrays): Do not specify the value.
7751 * doc/passes.texi: Update documentation of loop optimizer
7753 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7754 -frerun-loop-opt): Remove.
7756 2006-02-26 Richard Guenther <rguenther@suse.de>
7758 PR tree-optimization/26421
7759 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7760 in function calls that are ADDR_EXPRs as using the whole structure.
7762 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7764 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7765 * tree-pass.h (pass_loop_optimize): Remove.
7766 * passes.c (pass_loop_optimize): Never run it.
7767 * toplev.c (backend_init): Don't call init_loop.
7768 * opts.c (flag_loop_optimize_set): Remove.
7769 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7770 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7771 the old RTL loop optimizer when profiling enabled.
7772 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7773 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7774 pre-headers for the sake of the old RTL loop optimizer.
7775 * Makefile.in: Remove all references to loop.o.
7777 * doc/invoke.texi: Remove all references to -floop-optimize
7778 and -frerun-loop-opt.
7780 2006-02-26 Zack Weinberg <zackw@panix.com>
7782 * doc/md.texi (Machine Constraints): Refer to all files with paths
7783 relative to gcc directory (i.e. config/CPU/file). Add missing
7784 @table @code ... @end table to M32C subsection.
7786 2006-02-26 Roger Sayle <roger@eyesopen.com>
7788 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7790 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7792 2006-02-26 Roger Sayle <roger@eyesopen.com>
7793 James A. Morrison <phython@gcc.gnu.org>
7796 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7797 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7798 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7799 signedness of the shift operation.
7801 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7803 PR tree-optimization/26359
7804 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7806 2006-02-25 Roger Sayle <roger@eyesopen.com>
7808 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7809 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7810 as X == 0, and some symmetry related transformations.
7811 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7813 2006-02-25 Roger Sayle <roger@eyesopen.com>
7816 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7817 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7818 symmetry related transformations. Fold (X^C1) == C2 as
7821 2006-02-25 Juergen Weigert <jw@suse.de>
7822 Richard Guenther <rguenther@suse.de>
7824 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7826 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7828 * combine.c (gen_lowpart_or_truncate): Call
7829 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7831 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7833 * doc/invoke.texi: Move -fopenmp description to "Options for
7835 Remove reference to -lgomp.
7837 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7839 * doc/install.texi: Require GNU tar version 1.14.
7841 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7843 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7844 * doc/invoke.texi (C++ Dialect Options): Document
7845 -fno-use-cxa-get-exception-ptr.
7846 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7847 * configure: Regenerate.
7848 * c.opt (fuse-cxa-get-exception-ptr): New.
7849 * c-opts.c (c_common_handle_option): Handle
7850 OPT_fuse_cxa_get_exception_ptr.
7851 * c-common.c (flag_use_cxa_atexit): Update documentation.
7852 (flag_use_cxa_get_exception_ptr): New.
7853 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7854 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7856 (C_COMMON_OVERRIDE_OPTIONS): New.
7858 2006-02-24 Roger Sayle <roger@eyesopen.com>
7861 * combine.c (try_combine): Explicitly check whether GET_CODE is
7862 a SET or a CLOBBER, instead on checking that it isn't a USE.
7864 2006-02-24 Roger Sayle <roger@eyesopen.com>
7866 * fold-const.c (fold_comparison): New subroutine of fold_binary
7867 containing transformations common to both the equality and
7868 ordering relational operators, factored out of fold_binary.
7869 (fold_binary): Separate out the equality operators (EQ_EXPR
7870 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7871 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7872 transformations common to both.
7873 (fold_div_compare): Fix latent bugs in the previously unreachable
7874 LT_EXPR and GE_EXPR cases.
7876 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7878 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7879 decl libname for clog to __clog on AIX.
7881 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7883 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7886 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7887 output traceback table for thunks. Localise rs6000_stack_info call.
7889 2006-02-23 Roger Sayle <roger@eyesopen.com>
7890 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7892 * gthr-posix.h (__gthrw): Fix typo in comment.
7894 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7896 * doc/cpp.texi (Character sets): Document that we do support
7897 input files to be in any character set.
7899 2006-02-23 Jeff Law <law@redhat.com>
7901 * tree.h (PHI_ARG_NONZERO): Remove.
7902 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7903 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7904 node to the new node.
7906 PR tree-optimization/26425
7907 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7908 min/max, then assume its varying.
7910 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7912 PR rtl-optimization/26316
7913 * rtlanal.c (enum may_trap_p_flags): New.
7914 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7915 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7916 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7917 (may_trap_after_code_motion_p): New function.
7918 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7919 (find_invariant_insn): Use may_trap_after_code_motion_p.
7920 * rtl.h (may_trap_after_code_motion_p): Declare.
7922 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7924 * emit-rtl.c (immed_double_const): Cleanup.
7926 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7928 Fix PR tree-optimization/26376
7929 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7932 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7935 * gimplify.c (omp_add_variable): Guard variable size decl test with
7936 DECL_SIZE (decl) check.
7938 2006-02-23 Richard Guenther <rguenther@suse.de>
7941 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7942 like aggregate types.
7944 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7946 * configure.ac: Add --with{,out}-long-double-128 configure option.
7947 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7948 * configure: Rebuilt.
7949 * config.in: Rebuilt.
7950 * doc/install.texi (Options specification): Document
7951 --with-long-double-128.
7953 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7954 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7955 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7956 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7958 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7960 * config/s390/s390.c (override_options): Handle
7961 TARGET_DEFAULT_LONG_DOUBLE_128.
7963 * config/alpha/alpha.c (override_options): Handle
7964 TARGET_DEFAULT_LONG_DOUBLE_128.
7966 * config/sparc/sparc.c (sparc_override_options): Handle
7967 TARGET_DEFAULT_LONG_DOUBLE_128.
7969 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7971 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7972 (real-install-headers-tar, real-install-headers-cpio)
7973 (real-install-headers-cp): New targets.
7975 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7977 * tree.h (variable_section): Delete.
7978 * varasm.c (variable_section): Delete.
7980 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7982 * install.texi: Add notes on install.texi2html.
7983 (Building in parallel): Do not use footnotes.
7985 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7988 * doc/install.texi (Configuration): Document --disable-libgomp.
7990 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7992 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7994 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7996 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7997 (vec_extractv2df_0_sse): New.
7999 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8001 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8002 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8003 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8004 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8005 to the result of the expression.
8006 (def_cfa_1): Adjust.
8007 (frame_pointer_cfa_offset): Rename to...
8008 (frame_pointer_fb_offset): ... this. Adjust all uses.
8009 (convert_cfa_to_loc_list): Rename to...
8010 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8011 Pass it on to build_cfa_loc.
8012 (compute_frame_pointer_to_cfa_displacement): Rename to...
8013 (compute_frame_pointer_to_fb_displacement): ... this. New
8014 offset parameter. Use it in computation.
8015 (gen_subprogram_die): Compute cfa_fb_offset with the new
8016 macro, and use it to compute the fb loc list and the
8019 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8021 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8022 replaced with register_operand.
8023 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8024 non-DREG is expensive.
8025 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8026 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8029 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8031 * doc/install.texi2html: Use set -e.
8033 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8035 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8036 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8037 * doc/invoke.texi (-fshared-data): Delete.
8038 * common.opt (fshared-data): Delete.
8039 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8040 (assemble_static_space): Remove #if 0 code.
8041 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8042 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8043 * config/cris/cris.h: Remove FIXME.
8045 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8047 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8050 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8053 * combine.c (simplify_shift_const_1): Disable nested shifts
8054 optimization for vector shifts.
8056 2006-02-20 Roger Sayle <roger@eyesopen.com>
8058 PR tree-optimization/26361
8059 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8060 of unsigned integer types.
8062 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8064 * tree-chrec.c (eq_evolutions_p): New.
8065 * tree-chrec.h (eq_evolutions_p): Declared.
8066 * tree-data-ref.c: Fix formatting.
8067 (datadep_stats, dependence_stats): New.
8069 (print_direction_vector): New.
8070 (dump_data_dependence_relation): Use print_direction_vector.
8071 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8072 (compute_subscript_distance): Static.
8073 (initialize_data_dependence_relation): Static. Get the number
8074 of loops surrounding the references from the callers, and initialize
8075 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8076 base_object_differ_p analyzers.
8077 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8078 compute_overlap_steps_for_affine_1_2,
8079 analyze_subscript_affine_affine): Count the classified dependences.
8080 Print a message when a test failed.
8081 (can_use_analyze_subscript_affine_affine): New.
8082 (analyze_siv_subscript): Compute the data dependences on symbolic
8083 scevs that verify can_use_analyze_subscript_affine_affine.
8084 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8085 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8086 Handle symbolic scevs.
8087 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8089 (subscript_dependence_tester): Moved...
8090 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8091 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8092 DDR_SIZE_VECT instead of getting it in parameter.
8093 (subscript_dependence_tester): ... here. Take as a parameter
8094 loop_nest_depth. Call build_classic_dist_vector and
8095 build_classic_dir_vector.
8096 (compute_affine_dependence): Update subscript_dependence_tester
8097 parameters. Update datadep_stats counters. Call
8098 compute_subscript_distance.
8099 (compute_self_dependence): Save the dist and dir vectors. Call
8100 compute_subscript_distance.
8101 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8102 (compute_all_dependences): Reorder parameters as they were before
8103 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8104 compute_subscript_distance. Update the use of
8105 compute_affine_dependence and initialize_data_dependence_relation.
8106 (find_data_references_in_loop): Handle COMPONENT_REF.
8107 (compute_data_dependences_for_loop): Initialize dependence_stats.
8108 Don't call build_classic_dist_vector and build_classic_dir_vector.
8109 Update the parameters of initialize_data_dependence_relation and
8110 compute_all_dependences. Print the statistics from datadep_stats.
8111 (analyze_all_data_dependences): Static. Not used until the pass for
8112 checking the data dependences is contributed.
8113 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8114 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8115 (initialize_data_dependence_relation, compute_affine_dependence,
8116 analyze_all_data_dependences, compute_subscript_distance): Removed.
8117 (print_direction_vector): New.
8118 * lambda.h (gcd): ... here.
8119 (lambda_vector_gcd): Moved here from gcd_vector.
8120 * lambda-code.c (gcd, gcd_vector): Removed.
8121 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8122 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8124 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8126 * ipa-type-escape.c: Tidy some comments and white space.
8127 * tree-ssa-operands.c: Likewise.
8129 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8132 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8133 (dump_decl_name): Do not walk the decl tree chains.
8134 * tree-pass.h (TDF_CHAIN): Remove.
8136 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8138 * Makefile.in (C): Remove
8140 (.PHONY): Remove C and PROTO
8142 2006-02-20 Roger Sayle <roger@eyesopen.com>
8145 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8146 deprecated CHAR_TYPE tree code.
8148 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8150 * configure.ac (target_list): Add install-info, dvi, html.
8151 * configure: Regenerate.
8153 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8154 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8155 treelang/Make-lang.in: Do not use double-colon rules.
8157 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8159 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8160 (TMT_USED_ALONE): New macro.
8161 * tree-pass.h (PROP_tmt_usage): New property.
8162 (TODO_update_tmt_usage): New todo.
8163 * tree-ssa-alias.c (updating_used_alone): New variable.
8164 (recalculate_used_alone): New function.
8165 (compute_may_aliases): Set updating_used_alone, call
8166 recalculate_used_alone.
8167 * tree-sra.c (pass_sra): Note that this pass destroys
8168 PROP_tmt_usage, and add TODO_update_tmt_usage.
8169 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8170 * tree-flow.h (updating_used_alone): Prototype.
8171 (recalculate_used_alone): Ditto.
8172 * passes.c (execute_todo): Add code to set updating_used_alone,
8173 and call recalculate.
8174 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8175 for clobber if used alone, and add assert to verify used_alone
8178 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8180 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8181 for non tls symbols added.
8182 (legitimize_address): Do nothing for PLUS expressions if one of the
8183 addends is a tls symbol reference.
8185 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8189 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8191 * Makefile.in (BOOTSTRAPPING): New.
8192 (quickstrap): New definition if BOOTSTRAPPING=yes.
8194 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8195 * configure.ac: Substitute all_selected_languages with the languages
8196 that were configured. For all the other variables except
8197 lang_specs_files, include all the languages in the tree.
8198 * configure: Regenerate.
8200 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8201 if there is one. Run the commands to run fixincludes in the same
8204 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8205 * doc/install.texi: Document exact conventions for searching target tools.
8206 Document --with-build-time-tools. Document toplevel bootstrap. Document
8207 something more about building an Ada cross-compiler. Don't list GNU Make
8208 requirements which affect all platforms.
8210 2006-02-19 Roger Sayle <roger@eyesopen.com>
8213 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8214 only equivalent if the have both the same mode and precision.
8216 2006-02-20 Ben Elliston <bje@au.ibm.com>
8218 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8220 2006-02-19 Roger Sayle <roger@eyesopen.com>
8221 Steven Bosscher <stevenb.gcc@gmail.com>
8223 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8224 constant pool references to identify stack mode constants.
8225 * rtlanal.c (constant_pool_constant_p): New predicate to check
8226 whether operand is a floating point constant in the pool.
8227 * rtl.h (constant_pool_constant_p): Prototype here.
8228 * loop.c (scan_loop): Avoid hoisting constants from the constant
8229 pool on STACK_REGS targets.
8230 (load_mems): Likewise.
8231 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8232 loads into x87 registers expensive in terms of register pressure.
8234 2006-02-19 Roger Sayle <roger@eyesopen.com>
8236 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8237 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8239 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8241 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8242 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8244 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8246 * doc/invoke.texi: Document -fipa-pta.
8247 * common.opt: Add ipa-pta option.
8248 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8249 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8250 (do_ds_constraint): Ditto.
8251 (get_constraint_for): Only add to referenced_vars if
8252 referenced_vars exists.
8253 (insert_into_field_list): Rewrite to do this unsorted.
8254 (insert_into_field_list_sorted): Rename old insert_into_field_list
8256 (create_function_info_for): Use insert_into_field_list_sorted.
8257 (create_variable_info_for): Rewrite so it uses unsorted version,
8258 since the field list is sorted.
8259 (intra_create_variable_infos): Only add to referenced_vars if
8260 referenced_vars exists.
8261 (ipa_pta_execute): Init heapvars, and delete when done.
8262 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8264 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8266 * doc/install.texi: Add missing `@samp'.
8268 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8270 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8273 2006-02-18 Mark Wielaard <mark@klomp.org>
8275 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8276 who added new 4.1 features, bug fixes and integration support.
8278 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8281 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8284 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8286 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8287 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8288 (copy_insn_1): Likewise. Don't copy each field individually.
8290 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8292 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8293 * rtl.c (rtx_size): Rename variable to...
8294 (rtx_code_size): ...this.
8295 (rtx_size): New function.
8296 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8297 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8299 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8300 * rtl.h (rtx_code_size): New variable.
8301 (rtx_size): Change from a variable to a function.
8302 (RTX_SIZE): Rename to...
8303 (RTX_CODE_SIZE): ...this.
8306 PR tree-optimization/17106
8307 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8308 (Anchored Addresses): New section.
8309 * doc/invoke.texi (-fsection-anchors): Document.
8310 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8311 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8312 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8313 * hooks.c (hook_bool_mode_rtx_false): New function.
8314 * hooks.h (hook_bool_mode_rtx_false): Declare.
8315 * gengtype.c (create_optional_field): New function.
8316 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8317 SYMBOL_REF_IN_BLOCK_P is true.
8318 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8319 (min_anchor_offset, max_anchor_offset): Likewise.
8320 (use_anchors_for_symbol_p): New hook.
8321 * toplev.c (compile_file): Call output_object_blocks.
8322 (target_supports_section_anchors_p): New function.
8323 (process_options): Check that -fsection-anchors is only used on
8324 targets that support it and when -funit-at-a-time is in effect.
8325 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8326 if the decl doesn't have one.
8327 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8328 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8329 of force_const_mem through use_anchored_address.
8330 (expand_expr_constant): New function.
8331 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8332 calling expand_expr for INDIRECT_REF.
8333 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8334 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8335 * expr.h (use_anchored_address): Declare.
8336 * loop-unroll.c: Don't declare rtx vectors here.
8337 * explow.c: Include output.h.
8338 (validize_mem): Call use_anchored_address.
8339 (use_anchored_address): New function.
8340 * common.opt (-fsection-anchors): New switch.
8341 * varasm.c (object_block_htab, anchor_labelno): New variables.
8342 (hash_section, object_block_entry_eq, object_block_entry_hash)
8343 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8344 (use_blocks_for_decl_p, change_symbol_section): New functions.
8345 (get_variable_section): New function, split out from assemble_variable.
8346 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8347 use_blocks_for_decl_p say so. Use change_symbol_section if the
8348 symbol has already been created.
8349 (assemble_variable_contents): New function, split out from...
8350 (assemble_variable): ...here. Don't output any code for
8351 block symbols; just pass them to place_block_symbol.
8352 Use get_variable_section and assemble_variable_contents.
8353 (get_constant_alignment, get_constant_section, get_constant_size): New
8354 functions, split from output_constant_def_contents.
8355 (build_constant_desc): Create a block symbol if use_object_blocks_p
8356 says so. Or into SYMBOL_REF_FLAGS.
8357 (assemble_constant_contents): New function, split from...
8358 (output_constant_def_contents): ...here. Don't output any code
8359 for block symbols; just pass them to place_section_symbol.
8360 Use get_constant_section and get_constant_alignment.
8361 (force_const_mem): Create a block symbol if use_object_blocks_p and
8362 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8363 (output_constant_pool_1): Add an explicit alignment argument.
8364 Don't switch sections here.
8365 (output_constant_pool): Adjust call to output_constant_pool_1.
8366 Switch sections here instead. Don't output anything for block symbols;
8367 just pass them to place_block_symbol.
8368 (init_varasm_once): Initialize object_block_htab.
8369 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8370 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8371 (place_block_symbol, get_section_anchor, output_object_block)
8372 (output_object_block_htab, output_object_blocks): New functions.
8373 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8374 (TARGET_ASM_OUT): Include it.
8375 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8376 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8377 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8378 (TARGET_INITIALIZER): Include them.
8379 * rtl.c (rtl_check_failed_block_symbol): New function.
8380 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8381 (block_symbol, object_block): New structures.
8382 (rtx_def): Add a block_symbol field to the union.
8383 (BLOCK_SYMBOL_CHECK): New macro.
8384 (rtl_check_failed_block_symbol): Declare.
8385 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8386 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8387 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8388 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8389 * output.h (output_section_symbols): Declare.
8390 (object_block): Name structure.
8391 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8392 (default_use_anchors_for_symbol_p): Declare.
8393 * Makefile.in (RTL_BASE_H): Add vec.h.
8394 (explow.o): Depend on output.h.
8395 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8396 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8397 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8398 (rs6000_use_blocks_for_constant_p): New function.
8400 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8402 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8404 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8407 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8410 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8412 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8416 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8419 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8420 instead of DECL_REGISTER.
8422 2006-02-18 Olivier Hainque <hainque@adacore.com>
8425 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8427 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8430 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8431 * opth-gen.awk: Handle Var and InverseMask together.
8432 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8433 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8434 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8435 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8437 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8438 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8439 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8440 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8441 LINUX_DYNAMIC_LINKER): Define.
8442 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8443 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8445 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8446 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8447 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8449 (TARGET_C99_FUNCTIONS): Don't define.
8450 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8451 GLIBC_DYNAMIC_LINKER.
8452 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8453 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8454 GLIBC_DYNAMIC_LINKER64): Define.
8455 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8456 LINUX_DYNAMIC_LINKER64.
8457 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8459 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8461 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8463 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8464 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8465 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8466 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8467 and LINUX_DYNAMIC_LINKER32.
8468 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8470 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8472 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8474 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8475 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8476 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8477 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8478 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8479 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8480 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8481 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8482 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8483 LINUX_DYNAMIC_LINKER): Define.
8484 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8485 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8486 GLIBC_DYNAMIC_LINKER64): Define.
8487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8488 LINUX_DYNAMIC_LINKER64.
8489 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8490 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8491 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8492 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8493 LINUX_DYNAMIC_LINKER): Define.
8494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8495 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8496 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8497 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8498 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8499 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8500 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8501 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8502 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8503 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8505 * doc/invoke.texi (-muclibc): Remove caveat about supported
8508 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8510 * doc/cpp.texi (__TIMESTAMP__): Document.
8512 2006-02-17 Roger Sayle <roger@eyesopen.com>
8515 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8516 C is one less than the width of X (and related transformations).
8517 * simplify-rtx.c (simplify_unary_operation_1): Transform
8518 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8519 depending on STORE_FLAG_VALUE, were C is one less then the
8522 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8524 Fix PR tree-optimization/26341
8525 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8526 about NAME_MEMORY_TAG's.
8528 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8531 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8532 with hardware float support, and software float support. Add fcpy
8533 alternative to hardware patterns. Add alternatives to copy between
8534 general and floating-point registers to the 32-bit pattern.
8535 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8536 secondary reload to load a QI or HI mode constant into a floating
8538 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8539 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8541 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8544 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8546 (load_macho_picbase_di): Likewise.
8548 2006-02-16 Jeff Law <law@redhat.com>
8550 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8551 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8552 (ssa_name_nonzero_p): Likewise.
8553 (get_value_range): Return NULL if VRP is not running.
8554 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8555 VRP routines do not discover a range.
8556 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8557 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8558 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8559 (tree_expr_nonnegative_p): Similarly.
8560 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8561 (restore_nonzero_vars_to_original_value): Remove.
8562 (unsafe_associative_fp_binop): Remove.
8563 (tree_ssa_dominator_optimize): Remove initialization and
8564 finalization of nonzero_vars and nonzero_vars_stack.
8565 (dom_opt_initialize_block): No longer push marker on
8567 (dom_opt_finalize_block): No longer call
8568 restore_nonzero_vars_to_original_value.
8569 (record_equivalences_from_phis): No longer look for
8570 nonzero PHI arguments.
8571 (cprop_into_successor_phis): No longer propagate nonzero
8572 property into PHI arguments. Lose unused argument. Caller
8574 (record_equivalences_from_stmt): No longer record nonzero
8575 values for SSA_NAMEs.
8576 (lookup_avail_expr): No longer use nonzero_vars.
8578 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8579 for sizetype when sizetype is unsigned.
8581 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8583 PR rtl-optimization/25603
8584 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8585 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8586 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8587 with new meaning of SETS.
8589 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8594 * config/linux.opt: New file.
8595 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8596 LINUX_DYNAMIC_LINKER): Define.
8597 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8598 * config.gcc (*-*-linux*): Define extra_options.
8599 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8600 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8601 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8602 GLIBC_DYNAMIC_LINKER.
8603 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8604 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8605 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8607 * doc/invoke.texi (GNU/Linux Options): New section.
8609 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8611 * config/sparc/sparc.md (setjmp): Rewrite.
8612 (setjmp_32): Delete.
8613 (setjmp_64): Likewise.
8615 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8617 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8620 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8622 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8625 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8627 PR rtl-optimization/26296
8628 * Makefile.in (loop-invariant.c): Add except.h dependency.
8629 * loop-invariant.c: Include except.h.
8630 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8632 2005-02-16 Paul Brook <paul@codesourcery.com>
8634 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8637 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8639 PR rtl-optimization/25636
8640 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8641 when deciding whether an insn is an initializing insn.
8643 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8645 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8646 (tree_code_size): Ditto.
8647 * tree.h (struct tree_memory_tag): Remove parent_var.
8648 (struct tree_struct_field_tag): New.
8651 (union tree_node): Add sft member.
8652 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8654 (create_sft): Add size and offset argument, set SFT_OFFSET and
8656 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8657 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8658 * tree-flow-inline.h (get_subvar_at): Update for
8659 SFT_OFFSET/SFT_SIZE.
8660 (var_can_have_subvars): Ditto.
8661 (overlap_subvar): Ditto.
8662 * print-tree.c (print_node): Print out interesting things for
8664 * tree-flow.h (struct subvar): Remove offset and size members.
8665 * tree-ssa-operands.c (get_expr_operands): Update for
8666 get_indirect_ref_operands changes.
8667 (get_indirect_ref_operands): Call add_virtual_operand instead of
8668 add_stmt_operand. Only recurse on base var if requested.
8669 (access_can_touch_variable): New function.
8670 (add_stmt_operand): Split virtual operand handling into ...
8671 (add_virtual_operand): Here. Add offset, size, and for_clobber
8672 arguments. Prune alias sets.
8673 (add_call_clobber_ops): Call add_virtual_operand.
8675 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8678 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8680 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8681 than TREE_CODE as index into omp_clause_num_ops array.
8683 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8685 PR rtl-optimization/26184
8686 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8688 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8689 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8690 must_precede, must_follow and tobe_scheduled.
8693 * opts.c (common_handle_option): Free new_option pointer.
8694 * df-core.c (df_analyze): Free postorder pointer.
8696 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8698 * Makefile.in: Fix the examples about the use of stamps
8700 2006-02-15 Michael Matz <matz@suse.de>
8704 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8705 influenced by maximum_field_alignment or DECL_PACKED.
8706 (update_alignment_for_field): Ditto.
8707 (place_field): Ditto.
8708 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8711 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8713 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8714 (debug_flow_info): Pass it.
8715 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8716 * bb-reorder.c (reorder_basic_blocks): Likewise.
8717 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8718 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8719 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8720 * gcse.c (gcse_main, bypass_jumps): Likewise.
8721 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8722 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8723 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8724 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8725 * rtl.h (dump_flow_info): Adjust prototype.
8726 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8727 * var-tracking.c (variable_tracking_main): Likewise.
8728 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8729 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8732 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8734 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8737 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8739 PR tree-optimization/26209
8740 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8741 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8743 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8745 2006-02-14 Roger Sayle <roger@eyesopen.com>
8748 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8749 (X,Y) and the corresponding symmetry related transformations.
8750 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8751 (X,Y) and its symmetry related transformations.
8753 2006-02-14 Roger Sayle <roger@eyesopen.com>
8755 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8758 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8760 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8762 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8765 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8766 support COMDAT group.
8767 * configure: Regenerate.
8769 2006-02-14 Roger Sayle <roger@eyesopen.com>
8774 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8776 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8778 Fix PR tree-optimization/26260
8780 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8782 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8783 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8784 * tree-ssa-structalias.c (create_variable_info_for): Use
8785 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8787 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8789 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8791 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8792 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8793 of the ending condition.
8794 * tree-ssa-loop-manip.c: Include params.h.
8795 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8796 tree_unroll_loop): New functions.
8797 * tree-pass.h (pass_loop_prefetch): Declare.
8798 * loop.c (rest_of_handle_loop_optimize): Test for
8799 -fprefetch-loop-arrays-rtl.
8800 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8801 * timevar.def (TV_TREE_PREFETCH): New timevar.
8802 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8803 pass_loop_prefetch): New.
8804 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8805 (cleanup_tree_cfg_loop): Call scev_reset.
8806 * common.opt (fprefetch-loop-arrays-rtl): Add.
8807 * tree-ssa-loop-prefetch.c: New file.
8808 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8809 (new_temp_expr_table): Initialize expr_vars.
8810 (free_temp_expr_table): Cleanup expr_vars.
8811 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8812 expressions from being merged into one.
8813 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8814 (struct tree_niter_desc): Add control, bound and cmp fields.
8815 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8817 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8818 (tree-cfgcleanup.o): Add SCEV_H dependency.
8819 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8820 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8822 2006-02-14 Richard Guenther <rguenther@suse.de>
8824 PR tree-optimization/26258
8825 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8826 in PHI argument processing.
8828 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8830 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8831 new expression in the requested machine mode.
8833 2006-02-13 Roger Sayle <roger@eyesopen.com>
8835 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8836 directly, instead let do_compare_rtx_and_jump handle this for us.
8837 * expr.c (expand_expr_real_1): Likewise.
8838 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8839 before do_jump_by_parts_greater.
8840 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8841 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8843 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8845 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8847 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8849 PR rtl-optimization/26235
8850 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8851 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8854 2006-02-13 Jeff Law <law@redhat.com>
8856 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8859 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8862 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8863 twice if decl is a builtin. When trying again, call get_callee_fndecl
8864 first to verify it is still a builtin.
8866 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8868 * dwarf2out.c (base_type_die): Don't add AT_name here.
8869 (subrange_type_die): Don't add AT_name here.
8870 (modified_type_die): Rearrange code flow. Do add AT_name here.
8872 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8874 PR rtl-optimization/26247
8875 PR rtl-optimization/26248
8876 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8878 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8880 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8881 * config/fixtfdi.c: Likewise.
8882 * config/fixunstfdi.c: Likewise.
8883 * config/floatditf.c: Likewise.
8885 2006-02-13 Roger Sayle <roger@eyesopen.com>
8888 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8889 into (X,C2) if C1 is a subset of the bits of C2. Transform
8890 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8892 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8894 2006-02-13 Josh Conner <jconner@apple.com>
8897 * varasm.c (function_section): Check for section name before
8898 calling select_section on targets that define
8899 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8900 unlikely_text_section instead of hot_function_section if
8901 first_function_block_is_cold.
8903 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8906 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8908 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8910 PR rtl-optimization/26222
8911 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8912 after tree->rtl expansion.
8913 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8914 before passing it to emit_move_insn.
8916 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8918 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8920 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8921 Clarify documentation.
8922 * c-common.h (warn_write_strings): Remove.
8923 * c-common.c (warn_write_strings): Likewise.
8924 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8927 2006-02-12 Roger Sayle <roger@eyesopen.com>
8930 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8931 (do_jump_parts_zero_rtx): New function renamed from
8932 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8933 (do_jump_parts_equality_rtx): New function split out from
8934 do_jump_parts_equality. Old implementation renamed as above.
8935 Call do_jump_parts_zero_rtx if either operand is zero.
8936 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8937 do all of the heavy lifting.
8938 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8939 calling either do_jump_by_parts_greater_rtx or
8940 do_jump_by_parts_equality_rtx.
8941 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8942 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8943 moved to do_compare_rtx_and_jump, call it directly.
8944 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8945 mode argument. Call do_compare_rtx_and_jump.
8946 (emit_case_nodes): Update calls to do_jump_if_equal.
8948 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8950 PR rtl-optimization/26225
8951 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8953 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8955 PR rtl-optimization/26232
8956 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8958 2006-02-11 Jason Merrill <jason@redhat.com>
8961 * tree-inline.c (declare_return_variable): Just don't use the
8962 modify target if it's a gimple complex reg and the return slot
8965 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8967 * doc/contrib.texi: Update my entry.
8969 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8971 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8973 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8975 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8978 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8980 * doc/invoke.texi (-floop-optimize2): Removed.
8981 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8982 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8983 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8984 * common.opt (floop-optimize2): Removed.
8985 (fmove-loop-invariants): Enabled by default.
8987 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8989 * tree-if-conv.c (combine_blocks): Free the result of
8990 get_loop_exit_edges.
8992 2006-02-10 Jeff Law <law@redhat.com>
8994 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8996 PR tree-optimization/26213
8997 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8998 loop trying to follow SSA_NAME_VALUE chains.
9000 2006-02-10 Richard Guenther <rguenther@suse.de>
9002 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9003 deal with structures that end in implicitly variable sized arrays.
9005 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9007 PR rtl-optimization/24762
9008 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9011 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9013 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9014 (struct ivopts_data): Add regs_used field.
9015 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9016 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9017 instead of loop_data->regs_used;
9018 (free_loop_data): Do not free aux fields for loops.
9019 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9020 and tree_ssa_iv_optimize_finalize.
9022 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9024 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9026 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9029 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9030 computing the effective result type.
9032 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9035 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9036 (tree_overlaps_hard_reg_set): Declare.
9037 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9038 type and signature to match function type expected by walk_tree.
9039 (tree_overlaps_hard_reg_set): New function.
9040 (decl_conflicts_with_clobbers_p): Rename to:
9041 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9042 Use tree_overlaps_hard_reg_set. Changed caller.
9043 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9044 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9045 * cris.c (cris_md_asm_clobbers): Likewise.
9047 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9049 * reload1.c (emit_input_reload_insns): Delete code that tries to
9050 inherit using find_equiv_reg.
9052 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9054 * c-common.h (flag_const_strings): Don't declare.
9055 * c-common.c (flag_const_strings): Remove.
9056 * c.opt (fconst_strings): Remove.
9057 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9058 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9059 (c_common_init_options): Don't set flag_const_strings.
9060 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9062 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9064 * arm.md (tlobits_cbranch): New pattern.
9065 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9066 testing a single bit.
9068 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9071 * tree-ssa-pre.c (create_component_ref_by_pieces):
9072 Handle RETURN_DECL like VAR_DECL.
9074 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9077 * fold-const.c (fold_indirect_ref_1): Fold
9078 "*(foo *)&complexfoo" to "__real__ complexfoo"
9079 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9081 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9083 * tree-flow-inline.h (var_can_have_subvars):
9084 Volatile variables should not have subvariables.
9086 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9089 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9090 multiplying unsigned values.
9093 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9095 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9097 2006-02-08 Jason Merrill <jason@redhat.com>
9100 * tree.def: Elaborate on difference from MODIFY_EXPR.
9101 * doc/c-tree.texi (INIT_EXPR): Likewise.
9102 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9103 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9104 (gimplify_target_expr): Likewise.
9105 (gimplify_cond_expr): Remove target handling.
9106 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9107 (gimplify_expr): Clobber it here.
9108 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9109 Do return slot optimization if we have an INIT_EXPR.
9112 * tree-inline.c (declare_return_variable): Also clear
9113 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9116 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9119 * gimplify.c (gimplify_one_sizepos): Fix typo.
9121 2006-02-08 Jeff Law <law@redhat.com>
9123 PR tree-optimization/21417
9124 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9125 across a backedge if the control statement at the end of the
9126 block is data dependent on other statements in the same block.
9127 (record_temporary_equivalences_from_stmts): Remove over-conservative
9128 test for threading across backedges.
9130 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9131 control statement, handle all three special cases in the same
9132 manner as they all have the same desired solution. No longer
9133 special case edge flag updating when the post dominator is
9136 2006-02-08 Roger Sayle <roger@eyesopen.com>
9138 * tree.def (CHAR_TYPE): Remove.
9139 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9140 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9141 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9142 (gen_string_type_die): Delete unreachable function.
9144 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9145 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9146 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9147 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9148 * builtins.c (type_to_class): Likewise.
9149 * fold-const.c (fold_convert, build_range_check,
9150 merge_ranges): Likewise.
9151 * expr.c (count_type_elements): Likewise.
9152 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9153 * stor-layout.c (layout_type): Likewise.
9154 * ipa-type-escape.c (type_to_consider): Likewise.
9155 * gimplify.c (omp_firstprivatize_type_sizes,
9156 gimplify_type_sizes): Likewise.
9157 * explow.c (promote_mode): Likewise.
9158 * tree-sra.c (is_sra_scalar_type): Likewise.
9159 * varasm.c (output_constant): Likewise.
9160 * tree-inline.c (remap_type_1): Likewise.
9161 * convert.c (convert_to_pointer, convert_to_real,
9162 convert_to_integer, convert_to_complex): Likewise.
9164 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9166 * df-scan.c (df_def_record_1): A set destination may
9167 be a parallel regardless of mode.
9169 2006-02-08 Roger Sayle <roger@eyesopen.com>
9172 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9173 * config/mips/_tilib.c: Remove.
9174 * config/fixtfdi.c: New libgcc source file.
9175 * config/fixunstfdi.c: New source file.
9176 * config/floatditf.c: New source file.
9177 * config/floatunditf.c: New souce file.
9178 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9179 files above instead of config/mips/_tilib.c.
9180 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9182 2006-02-08 Jeff Law <law@redhat.com>
9184 PR tree-optimization/26169
9185 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9188 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9190 * df.h (DF_REG_SIZE): Return the length of the initialized
9193 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9195 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9196 __muldf3): Return a correctly signed zero.
9198 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9200 * passes.c (register_one_dump_file): Accept the current properties
9201 instead of pass number. Adjust call to dump_register. Remove
9203 (register_dump_files): Now a wrapper around...
9204 (register_dump_files_1): ... this one. Do not modify the pass
9206 (next_pass_1): Cosmetic fix.
9207 (execute_todo): Keep second parameter only. Use curr_properties
9208 instead of fetching it from the pass structure. Check and set
9210 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9211 instead of fetching it from the pass structure. Fix calls to
9212 execute_todo. Update curr_properties and initialize .vcg RTL dump
9213 after running the pass. Reset last_verified.
9214 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9216 (FIRST_AUTO_NUMBERED_DUMP): New.
9217 (dump_register): Remove "num" parameter, assign it within the
9219 (get_dump_file_name): Modify template for dumps.
9220 * tree-dump.h (dump_register): Adjust prototype.
9221 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9222 (PROP_trees): Add PROP_gimple_lomp.
9223 (TODO_set_props): New.
9224 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9225 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9226 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9228 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9230 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9231 (sparc64-*-linux*): Likewise.
9232 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9233 * config/sparc/t-linux: New file.
9234 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9235 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9236 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9237 -m32 -mlong-double-128.
9239 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9240 * config/alpha/t-linux: New file.
9241 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9243 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9244 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9245 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9246 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9247 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9248 (CPP_ARCH32_SPEC): Remove.
9250 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9252 PR tree-optimization/26145
9253 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9256 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9259 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9260 >= 240000 when generating code for SOM runtime.
9261 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9262 to $$dyncall when generating code for SOM runtime..
9264 2006-02-07 Dirk Mueller <dmueller@suse.com>
9267 * doc/invoke.texi (-Wsequence-point): Update documentation
9268 that -Wsequence-point is implemented for C++ as well.
9270 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9272 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9273 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9274 (LIB_SPEC): Likewise.
9275 * doc/invoke.texi (SPARC options): Document -pthread.
9277 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9279 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9282 2006-02-07 Roger Sayle <roger@eyesopen.com>
9284 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9285 Correct comment describing BOOLEAN_TYPE.
9287 2006-02-07 Dirk Mueller <dmueller@suse.com>
9289 * c.opt: C++ frontend supports -Wdiv-by-zero.
9290 * c-opts.c (c_common_handle_option): Remove dead case.
9292 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9294 * configure.ac (TLS assembler check): Do not enable TLS by
9295 default on SPARC/Solaris before version 10.
9296 * configure: Regenerate.
9298 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9300 * doc/invoke.texi (xl-compat): Document conversion and support
9303 2006-02-07 Jeff Law <law@redhat.com>
9305 * tree-vrp.c (find_conditional_asserts): Update comments.
9306 (simplify_stmt_for_jump_threading): New.
9307 (identify_jump_threads, finalize_jump_threads): New.
9308 (vrp_finalize): Call identify_jump_threads.
9309 (execute_vrp): Call finalize_jump_threads.
9310 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9311 (vrp_element, vrp_data, vrp_element_p): Remove.
9312 (vrp_hash_elt, vrp_variables_stack): Remove.
9313 (vrp_hash, vrp_eq, record_range): Remove.
9314 (simplify_cond_and_lookup_avail_expr): Remove.
9315 (extract_range_from_cond): Remove.
9316 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9317 (simplify_stmt_for_jump_threading): New.
9318 (dom_thread_across_edge): New wrapper.
9319 (tree_ssa_dominator_optimize): No longer initialize or
9320 finalize any of the VRP datastructures. Remove iteration
9321 step and simplify as a result of removal of iteration step.
9322 (pass_dominator): Perform a cfg cleanup after DOM.
9323 (dom_opt_finalize_block): Use the new common routines
9324 for threading jumps. Simplify stack management slightly.
9325 No longer need to unwind VRP state.
9326 (record_equivalences_from_incoming_edge): No longer record
9328 (eliminate_redundant_computations): No longer call
9329 simplify_cond_and_lookup_avail_expr.
9330 * tree-flow.h (potentially_threadable_block): Prototype.
9331 (thread_across_edge): Likewise.
9332 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9333 (tree-ssa-threadedge.o): Add dependencies.
9334 * tree-ssa-threadedge.c: New file.
9335 * passes.c (init_optimization_passes): Merge PHIs before
9336 calling VRP. Run VRP again late in the SSA optimization pipeline.
9338 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9340 * df-core.c (df_set_blocks): Do not dereference function pointers.
9341 (df_finish1): Likewise.
9342 (df_hybrid_search_forward): Likewise.
9343 (df_hybrid_search_backward): Likewise.
9344 (df_iterative_dataflow): Likewise.
9345 (df_analyze_problem): Likewise.
9346 (df_compact_blocks): Likewise.
9347 (df_dump): Likewise.
9348 * df-scan.c (df_rescan_blocks): Likewise.
9349 (df_record_entry_block_defs): Likewise.
9351 * genconditions.c (write_conditions): Guard the definition of
9352 'insn_conditions' with the check on GCC version.
9353 (write_writer): Guard the traversal 'insn_conditions' with
9354 the check on GCC version.
9356 2006-02-07 Richard Guenther <rguenther@suse.de>
9360 2006-01-30 Richard Guenther <rguenther@suse.de>
9362 * gimplify.c (gimplify_target_expr): Handle easy cases
9363 without creating a temporary.
9365 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9367 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9368 use of float in probability computations. Use edge probabilities
9369 in place of statically computed probabilities.
9370 (min_spec_prob): New static variable.
9371 (schedule_insns): Initialize it.
9372 (GET_SRC_PROB): Removed.
9373 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9375 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9378 * config/ia64/unwind-ia64.c: Revert last change.
9379 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9380 (INCOMING_FRAME_SP_OFFSET): Define.
9382 2006-02-06 Roger Sayle <roger@eyesopen.com>
9384 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9386 2006-02-07 Ben Elliston <bje@au.ibm.com>
9388 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9389 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9390 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9391 (ix86_return_in_memory): Handle TDmode.
9392 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9393 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9395 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9397 * reorg.c (dbr_schedule): Use dump_file instead of file.
9399 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9402 * config/ia64/predicates.md (extr_len_operand): New predicate.
9403 * config/ia64/ia64.md (extv): Tighten constraints.
9405 (*tbit_and_2): Ditto.
9406 (*tbit_and_3): Ditto.
9407 (*tbit_or_2): Ditto.
9408 (*tbit_or_3): Ditto.
9412 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9415 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9417 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9419 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9420 loop_optimizer_init and loop_optimizer_finalize
9421 * tree-ssa-sink.c (execute_sink_code): Ditto.
9422 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9423 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9424 tree_ssa_loop_done): Ditto.
9425 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9426 * sched-ebb.c: Include output.h.
9427 (schedule_ebbs): Do not use dump argument.
9428 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9429 * loop.c (loop_dump_stream): Removed.
9430 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9432 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9433 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9434 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9435 loop_iterations, strength_reduce, record_biv, record_giv,
9436 final_giv_value, check_final_value, check_ext_dependent_givs,
9437 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9438 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9439 dump_file instead of loop_dump_stream.
9440 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9442 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9444 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9445 * haifa-sched.c: Include output.h
9446 (schedule_insns, sched_init): Do not use dump argument.
9447 * mode-switching.c (optimize_mode_switching): Ditto.
9448 * modulo-sched.c (stats_file): Removed.
9449 (print_node_sched_params): Do not call argument dump_file.
9450 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9451 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9453 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9455 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9456 rtl_loop_init, rtl_loop_done): Ditto.
9457 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9458 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9460 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9461 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9462 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9463 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9464 * emit-rtl.c (renumber_insns): Ditto.
9465 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9466 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9467 * regclass.c (regclass): Ditto.
9468 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9469 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9470 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9471 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9473 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9474 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9476 * gcse.c (gcse_file, debug_stderr): Removed.
9477 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9478 rest_of_handle_gcse): Do not use dump argument.
9479 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9480 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9481 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9482 compute_code_hoist_vbeinout, compute_code_hoist_data,
9483 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9484 compute_store_table, build_store_vectors, insert_insn_start_bb,
9485 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9486 store_motion): Use dump_file instead of gcse_file.
9487 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9488 * profile.c (profile_dump_file): Removed.
9489 (branch_prob): Use dump_file instead of profile_dump_file.
9490 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9492 * tree-ssa-copy.c (dump_copy_of): Ditto.
9493 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9494 dump file to life_analysis.
9495 * bt-load.c (branch_target_load_optimize): Ditto.
9496 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9498 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9499 regclass, dbr_schedule): Declaration changed.
9500 * sched-int.h (sched_init): Declaration changed.
9501 * tree-profile.c (tree_profile_dump_file): Removed.
9502 (tree_profile_hooks): Removed profile_dump_file hook.
9503 * rtl-profile (rtl_profile_dump_file): Removed.
9504 (rtl_profile_hooks): emoved profile_dump_file hook.
9505 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9507 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9508 * tree-cfg.c (build_tree_cfg): Ditto.
9509 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9510 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9511 Declaration changed.
9512 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9513 life_analysis and schedule_insns.
9514 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9516 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9518 * config/mips/mips.c (mips_reorg): Ditto.
9519 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9522 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9524 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9525 (s390_mangle_fundamental_type): New.
9526 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9529 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9530 (alpha_mangle_fundamental_type): New.
9531 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9534 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9536 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9538 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9539 (sparc_mangle_fundamental_type): New.
9541 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9543 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9544 (s390x-*-linux*): Likewise.
9545 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9546 * config/s390/t-linux: New file.
9548 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9550 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9551 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9553 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9555 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9556 (ANTIC_SAFE_LOADS): New macro.
9557 (find_or_generate_expression): Add prototype.
9558 (set_contains_value): Allow null set for sake of not always having
9559 to allocate ANTIC_SAFE_LOADS.
9560 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9561 Allow COMPONENT_REF too.
9562 (valid_in_set): Allow COMPONENT_REF.
9563 Check ANTIC_SAFE_LOADS too.
9564 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9565 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9567 (can_PRE_operation): Add COMPONENT_REF.
9568 (create_component_ref_by_pieces): New function.
9569 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9570 (insert_aux): Move AGGREGATE_TYPE_P check here.
9571 (compute_avail): Set bb local stmt uids.
9572 (pass_pre): Use TODO_update_ssa_only_virtuals.
9574 2006-02-06 Ben Elliston <bje@au.ibm.com>
9576 * configure.ac: Unconditionally disable decimal float by default.
9577 * configure: Regenerate.
9579 2006-02-06 Ben Elliston <bje@au.ibm.com>
9581 * read-rtl.c (read_name): Terminate reading on EOF.
9583 2006-02-06 Ben Elliston <bje@au.ibm.com>
9585 * dfp.c (decimal_real_arithmetic): Change second argument type
9586 from int to enum tree_code. Do not always return true, but now
9587 return result of any call to decimal_do helper functions.
9588 * dfp.h (decimal_real_arithmetic): Update prototype.
9590 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9592 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9594 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9597 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9600 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9602 * tree-vrp.c (cfg_loops): Removed.
9603 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9604 Use current_loops instead of cfg_loops. Pass flags to
9605 loop_optimizer_init.
9606 * cfgloopmanip.c (fix_loop_structure): Update only available
9608 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9609 loop_optimizer_init.
9610 * modulo-sched.c (build_loops_structure): Removed.
9611 (sms_schedule): Use loop_optimizer_init.
9612 * loop-init.c (loop_optimizer_init): Use flags to determine
9613 which properties of loops to prepare.
9614 (rtl_loop_init): Pass flags to loop_optimizer_init.
9615 * tree-ssa-sink.c (execute_sink_code): Ditto.
9616 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9617 * tree-ssa-pre.c (init_pre): Ditto.
9618 * cfgloop.h (LOOPS_NORMAL): New.
9619 (loop_optimizer_init): Declaration changed.
9621 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9623 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9624 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9626 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9628 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9630 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9631 * pa/t-pa64: Delete quadlib.c rule.
9632 * pa/x-ada: Revert last change.
9633 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9635 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9637 PR rtl-optimization/26087
9638 * rtlanal.c (canonicalize_condition): Do not cross basic block
9641 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9644 * config/ia64/ia64.c: Include debug.h.
9645 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9646 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9647 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9648 (process_epilogue, process_set, process_for_unwind_directive):
9649 Output unwind info only if requested. Add CFA info if requested.
9650 Add new arguments as needed. Adjust callers.
9651 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9653 (DWARF2_FRAME_INFO): Define to zero.
9654 * config/ia64/unwind-ia64.c: Remove code that compensated for
9655 the CFA offset error fixed above.
9656 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9657 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9658 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9659 -funwind-tables and -fexceptions to enable frame info.
9660 (dwarf2out_frame_init): Define initial CFA even if
9661 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9662 DWARF2_UNWIND_INFO is nonzero, not just defined.
9663 (dwarf2out_frame_finish): Output non-EH call frame info only
9664 if DWARF2_FRAME_INFO is nonzero.
9665 (convert_cfa_to_loc_list,
9666 compute_frame_pointer_to_cfa_displacement): Define even if
9667 unwind info is not supported.
9668 (gen_subprogram_die): Use the above unconditionally. Remove
9669 legacy alternate code.
9670 * toplev.c (compile_file): Compile in call to
9671 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9672 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9674 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9675 Jakub Jelinek <jakub@redhat.com>
9677 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9678 IBM extended float format long double as "g" on powerpc*-linux.
9680 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9683 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9684 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9686 2006-02-03 Jason Merrill <jason@redhat.com>
9689 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9692 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9693 on the return slot if it's an NRV.
9695 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9697 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9698 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9699 rewrite_use): Do not handle USE_OUTER.
9700 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9701 add_iv_outer_candidates, may_replace_final_value,
9702 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9703 (find_interesting_uses_op): Functionality of
9704 find_interesting_uses_outer_or_nonlin moved here.
9705 (find_interesting_uses_outside): Use find_interesting_uses_op.
9707 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9710 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9712 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9713 Ulrich Weigand <uweigand@de.ibm.com>
9716 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9717 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9718 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9719 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9721 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9722 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9723 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9724 Define secondary reloads for TFmode moves.
9725 (constant_modes): Add TFmode.
9726 (NR_C_MODES): Set to 8.
9727 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9729 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9730 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9731 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9732 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9733 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9734 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9735 (FPR mode macro): Add TFmode.
9736 (DSF mode macro): New.
9737 (<de>, <dee> mode attributes): Removed.
9738 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9739 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9740 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9741 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9742 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9743 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9744 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9745 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9746 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9747 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9748 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9749 "*negabs<mode>2", "sqrt<mode>2"):
9750 Changed <de> to <xde>. R constraint replaced by <Rf>.
9751 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9753 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9754 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9755 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9757 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9758 "extenddftf2", "extendsftf2"): New expanders.
9759 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9760 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9761 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9762 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9764 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9765 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9766 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9767 __floatditf): Add a GCC_4.1.0 symbol version tag.
9768 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9771 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9774 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9775 Use targetm.binds_local_p instead of TREE_PUBLIC.
9777 2006-02-02 Roger Sayle <roger@eyesopen.com>
9779 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9780 on INTEGER_TYPEs to indicate that it denotes a character type.
9781 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9782 signed_char_type_node, unsigned_char_type_node and char_type_node.
9783 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9784 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9785 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9787 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9788 Daniel Berlin <dberlin@dberlin.org>
9790 * tree-tailcall.c (arg_needs_copy_p): New function.
9791 (eliminate_tail_call): Use arg_needs_copy_p.
9792 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9793 (add_virtual_phis): New function.
9795 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9797 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9798 #ignore instead of #scratch for %g7 .register directive.
9800 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9802 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9805 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9807 * flow.c (calculate_global_regs_live): Assert that there aren't any
9810 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9812 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9814 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9815 bsi_after_labels iterator.
9816 * tree-if-conv.c (find_phi_replacement_condition,
9817 replace_phi_with_cond_modify_expr): Likewise.
9818 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9819 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9821 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9823 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9825 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9828 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9829 array after growing it.
9831 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9834 * fold-const.c (fold_checksum_tree): Change type of buf.
9836 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9838 * reload.c (push_secondary_reload): Initialize t_icode.
9840 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9842 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9843 -msoft-float -mlong-double-128 only issue a warning, but don't
9844 swich to DFmode long double.
9846 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9848 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9849 has a constant equivalent, iterate over equivalents for arg0,
9850 calling simplify_relational_operation and if there's a result
9851 cheaper than X, apply fold_rtx and return the result.
9853 2006-02-01 Jan Hubicka <jh@suse.cz>
9855 * opts.c (no_unit_at_a_time_default): New global variable.
9856 (decode_options): Use it.
9857 * opts.h (no_unit_at_a_time_default): Declare.
9859 2006-02-01 Paul Brook <paul@codesourcery.com>
9861 * function.c (assign_parm_setup_reg): Use function argument promotion
9863 * expr.c (expand_expr_real_1): Use function argument promotion rules
9866 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9868 * gcc.c (process_command): Change j to 'unsigned int'.
9870 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9873 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9874 Use the corrected index for the character
9875 out of the string constant.
9877 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9879 * mode-switching.c (optimize_mode_switching): Fix size
9880 allocated for bb_info[n_entities].
9882 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9884 * gcc.c (main): Correct type that is allocated for
9885 explicit_link_files.
9887 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9889 * config/s390/s390.c (init_alignment_context): Set
9890 ALIAS_SET_MEMORY_BARRIER on the MEM.
9891 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9893 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9896 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9898 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9901 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9903 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9904 * regrename.c: Ditto.
9905 * tree-ssa-loop-im.c: Ditto.
9906 * tree-dump.c: Ditto.
9907 * tree-complex.c: Ditto.
9908 * genrecog.c: Ditto.
9909 * tree-ssa-threadupdate.c: Ditto.
9911 * java/class.c: Ditto.
9912 * java/jcf-parse.c: Ditto.
9913 * java/resource.c: Ditto.
9914 * java/except.c: Ditto.
9915 * java/jvspec.c: Ditto.
9916 * java/jcf-write.c: Ditto.
9917 * java/jcf-path.c: Ditto.
9918 * java/gjavah.c: Ditto.
9919 * java/zextract.c: Ditto.
9920 * java/jcf-io.c: Ditto.
9921 * java/jcf.h: Ditto.
9922 * java/buffer.c: Ditto.
9923 * java/lang.c: Ditto.
9924 * java/parse-scan.y: Ditto.
9925 * java/lex.c: Ditto.
9926 * java/lex.h: Ditto.
9927 * cfgloopmanip.c: Ditto.
9928 * postreload-gcse.c: Ditto.
9929 * tree-ssa-loop-manip.c: Ditto.
9930 * postreload.c: Ditto.
9931 * tree-ssa-loop-ch.c: Ditto.
9935 * diagnostic.c: Ditto.
9937 * genoutput.c: Ditto.
9939 * cfghooks.c: Ditto.
9940 * cfgloopanal.c: Ditto.
9941 * objc/objc-act.c: Ditto.
9943 * genextract.c: Ditto.
9944 * genautomata.c: Ditto.
9945 * pretty-print.c: Ditto.
9947 * cgraphunit.c: Ditto.
9950 * haifa-sched.c: Ditto.
9951 * dominance.c: Ditto.
9953 * tree-ssa-loop-ivopts.c: Ditto.
9955 * mode-switching.c: Ditto.
9956 * modulo-sched.c: Ditto.
9958 * ipa-pure-const.c: Ditto.
9960 * fix-header.c: Ditto.
9962 * tree-stdarg.c: Ditto.
9963 * ipa-utils.c: Ditto.
9964 * loop-init.c: Ditto.
9965 * ipa-inline.c: Ditto.
9968 * alloc-pool.c: Ditto.
9969 * dwarf2out.c: Ditto.
9971 * genattrtab.c: Ditto.
9972 * tree-ssa-loop-ivcanon.c: Ditto.
9976 * fortran/gfortranspec.c: Ditto.
9978 * local-alloc.c: Ditto.
9979 * langhooks.c: Ditto.
9980 * function.c: Ditto.
9981 * tree-vectorizer.c: Ditto.
9983 * ipa-type-escape.c: Ditto.
9985 * tree-if-conv.c: Ditto.
9988 * tree-data-ref.c: Ditto.
9989 * loop-unroll.c: Ditto.
9990 * treelang/treetree.c: Ditto.
9993 * ggc-common.c: Ditto.
9995 * coverage.c: Ditto.
9997 * tree-cfgcleanup.c: Ditto.
9998 * tree-ssa-pre.c: Ditto.
9999 * cfgcleanup.c: Ditto.
10000 * loop-invariant.c: Ditto.
10001 * loop-iv.c: Ditto.
10002 * ipa-prop.c: Ditto.
10003 * print-tree.c: Ditto.
10004 * conflict.c: Ditto.
10005 * ggc-page.c: Ditto.
10006 * sched-deps.c: Ditto.
10007 * regclass.c: Ditto.
10008 * tree-object-size.c: Ditto.
10009 * combine.c: Ditto.
10010 * bb-reorder.c: Ditto.
10011 * resource.c: Ditto.
10012 * var-tracking.c: Ditto.
10013 * cfgloop.c: Ditto.
10014 * df-problems.c: Ditto.
10015 * reg-stack.c: Ditto.
10017 * gccspec.c: Ditto.
10018 * sched-rgn.c: Ditto.
10019 * tree-ssa-structalias.c: Ditto.
10020 * tree-ssa-reassoc.c: Ditto.
10021 * config/darwin-c.c: Ditto.
10022 * config/darwin.c: Ditto.
10023 * config/arm/arm.c: Ditto.
10025 * collect2.c: Ditto.
10026 * reload1.c: Ditto.
10028 2006-01-31 Nicolas Pitre <nico@cam.org>
10030 * arm.md (smaxsi3): Make aware of smax_m1.
10033 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10035 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10037 2006-01-31 Richard Guenther <rguenther@suse.de>
10039 * doc/invoke.texi (-msselibm): Document.
10040 * target.h (expand_library_builtin): New target hook.
10041 * builtins.c (expand_builtin): Use expand_library_builtin.
10042 (default_expand_library_builtin): New function.
10043 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10044 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10045 (link_gcc_math_spec): Declare.
10046 (static_specs): Add link_gcc_math_spec.
10047 * expr.h (default_expand_library_builtin): Declare.
10048 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10049 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10050 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10051 * config/i386/i386.opt (msselibm): New target option.
10052 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10053 (ix86_init_sse_abi_builtins): New function.
10054 (ix86_expand_library_builtin): Likewise.
10055 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10056 (override_options): Handle error conditions wrt -msselibm.
10057 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10058 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10059 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10062 2006-01-31 Richard Guenther <rguenther@suse.de>
10063 Paolo Bonzini <bonzini@gnu.org>
10065 * doc/install.texi (--disable-libgcc-math): Document.
10067 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10069 * expr.h (expand_normal): new inline function.
10070 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10071 * dojump.c: use it.
10072 * dwarf2out.c: use it.
10075 * expmed.c: use it.
10076 * except.c: use it.
10077 * config/sparc/sparc.c: use it.
10078 * config/i386/i386.c: use it.
10079 * config/rs6000/rs6000.c: use it.
10080 * config/arm/arm.c: use it.
10081 * config/mips/mips.c: use it.
10082 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10084 2006-01-30 Roger Sayle <roger@eyesopen.com>
10086 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10087 argv to the appropriate type.
10089 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10091 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10094 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10097 * config/s390/s390.c (struct machine_function): New flag
10098 decomposed_literal_pool_addresses_ok_p.
10099 (s390_reorg): Set it before final stage of literal pool transforms.
10100 (s390_decompose_address): Only accept displacements of the form
10101 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10103 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10105 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10106 the comparison routine return.
10108 2006-01-30 Michael Matz <matz@suse.de>
10110 * global.c (find_reg): Only evict for global regs.
10111 Take n_refs into account and dump more info.
10113 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10116 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10117 (pragma_trap, pragma_nosave_low_regs): Likewise.
10118 (current_function_anonymous_args): Likewise.
10119 (sh_deferred_function_attributes): New variable.
10120 (sh_deferred_function_attributes_tail): Likewise.
10121 (print_operand): For '@', look up trap_exit attribute.
10122 (calc_live_regs): Look up trapa_handler attribute. For trapa
10123 handlers, save/restore fpscr, but don't do any other
10124 interrupt-specific saves.
10125 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10126 Fix check for partially saved registers to check for SHmedia.
10127 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10128 (sh_output_function_epilogue): Don't clear any of the removed
10130 (sh_insert_attributes): Don't check pragma_interrupt.
10131 Insert deferred attributes. Check that interrupt attribute is
10132 present for other attributes that require its presence.
10133 (sh_attribute_table): Add new attributes trapa_handler and
10135 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10136 Don't check for pragma_interrupt. Don't store argument.
10137 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10138 (sh_deferred_function_attributes): Declare.
10139 (sh_deferred_function_attributes_tail): Likewise.
10140 * sh.md (sp_switch_1): Add operand. Change generator caller.
10141 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10142 (*return_i): Don't use when trap_exit attribute is in effect.
10143 (*return_trapa): New insn pattern.
10144 * sh-c.c: New file.
10145 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10146 setting c_target_objs and cxx_target_objs.
10147 * t-sh: Add rule for sh-c.o.
10149 2006-01-30 Richard Guenther <rguenther@suse.de>
10152 * gimplify.c (gimplify_target_expr): Handle easy cases
10153 without creating a temporary.
10155 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10157 * vec.h (safe_grow): Remove duplicated line.
10159 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10162 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10163 (expand_omp): ... here.
10164 (expand_omp_parallel): Only remove barriers for combined
10165 parallel+workshare constructs.
10167 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10171 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10172 * tree.c (build_qualified_type): Chain the new type to the original
10173 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10174 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10175 (build_pointer_type_for_mode): Only return unqualified types.
10176 (build_reference_type_for_mode): Likewise.
10178 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10180 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10181 * Makefile.in (CXX_COMPAT_WARN): Define.
10182 * configure: Regenerate.
10184 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10187 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10190 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10192 * toplev.c: Fix thinko.
10194 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10195 Marcin Dalecki <martin@dalecki.de>
10197 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10198 (push_srcloc): Use XNEW.
10199 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10201 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10203 * df-core.c (df_set_blocks): Deleted all variable.
10205 2006-01-28 Ian Lance Taylor <ian@airs.com>
10207 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10208 cgraph_output_pending_asms.
10210 2006-01-28 Zack Weinberg <zackw@panix.com>
10212 * c.opt: Add -W(no-)overlength-strings.
10213 * doc/invoke.texi: Document it.
10214 * c-opts.c (c_common_handle_option): -pedantic implies
10215 -Woverlength-strings, if not explicitly disabled already.
10216 (c_common_post_options): -Woverlength-strings defaults to off, and
10217 is always off for C++.
10218 * c-common.c (fix_string_type): Issue warning about strings longer
10219 than is portable only if warn_overlength_strings. Rearrange code
10220 a little for clarity.
10221 * configure.in: Check for -Wno-overlength-strings as well before
10222 enabling -pedantic in stage 1.
10223 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10224 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10226 * genconditions.c (write_header, write_one_condition)
10227 (write_conditions, write_writer): Consolidate very long strings
10228 that were broken up to fit in C89 portable limit. Don't use
10229 printf when fputs will do.
10231 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10233 * combine.c (simplify_comparison <AND>): Check
10234 TRULY_NOOP_TRUNCATION before start using a subreg.
10236 * config/mips/mips.md (*branch_zero<mode>,
10237 *branch_zero<mode>_inverted, *branch_equality<mode>,
10238 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10239 Remove mode check from comparisons.
10241 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10243 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10245 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10247 * expmed.c (const_mult_add_overflow_p): Remove.
10248 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10250 * recog.c (validate_replace_rtx_subexp): Remove.
10251 * recog.h: Remove the prototype for
10252 validate_replace_rtx_subexp.
10254 * integrate.h: Remove the prototype for
10255 copy_decl_for_inlining.
10256 * rtl.h: Remove the prototype for mark_constant_function.
10257 * tree-vectorizer.h: Remove the prototype for
10258 vect_strip_conversion.
10260 * modulo-sched.c (create_partial_schedule,
10261 free_partial_schedule, reset_partial_schedule): Make them
10264 * hooks.c (hook_bool_rtx_int_false): Remove.
10265 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10267 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10269 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10270 and -mlong-double-128 are incompatible.
10271 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10272 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10273 (TARGET_LIBGCC2_CFLAGS): Define.
10274 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10275 (TARGET_LIBGCC2_CFLAGS): Same.
10276 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10278 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10281 * c-typeck.c (build_binary_op): Perform implicit casts of
10282 operands before shortening them.
10284 * cfgloopmanip.c (split_loop_bb): Remove.
10285 * cfgloop.h: Remove the prototype for split_loop_bb.
10287 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10288 * cfgloop.h: Remove the prototype for
10289 flow_loop_outside_edge_p.
10291 * emit-rtl.c (init_virtual_regs): Make it static.
10292 * function.h: Remove the prototype for init_virtual_regs.
10294 * recog.c (peephole2_optimize): Make it static.
10295 * recog.h: Remove the prototype for peephole2_optimize.
10297 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10299 * df-scan.c (df_record_entry_block_defs): Check if
10300 INCOMING_RETURN_ADDR_RTX is defined.
10302 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10303 Kenneth Zadeck <zadeck@naturalbridge.com>
10305 PR rtl-optimization/24762
10306 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10307 * targhooks.c (hook_void_bitmap): New hook prototype.
10308 * targhoohs.h (hook_void_bitmap): Ditto.
10309 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10310 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10311 * target.h (live_on_entry): New function pointer.
10312 * df-scan.c (df_all_hard_regs): Removed.
10313 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10314 (df_scan_free_internal): Added df->entry_block_defs.
10315 (df_scan_alloc): Ditto.
10316 (df_scan_dump): Ditto.
10317 (df_uses_record): Plumbed flag field properly thru calls.
10318 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10319 This part fixes PR24762.
10320 (df_bb_refs_record): Added code to make the frame and arg
10321 pointers live in EH blocks.
10322 (df_refs_record): Added call to df_record_entry_block_defs.
10323 (df_record_entry_block_defs): New function.
10324 * df-core.c: Added comments to describe new artifical defs.
10325 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10326 (entry_block_defs): New field in struct df.
10327 (df_all_hard_regs): Deleted.
10328 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10329 * df-problems.c (df_ru_bb_local_compute_process_def):
10330 Added code to handle artifical defs in the entry to a function.
10331 (df_ru_bb_local_compute): Ditto.
10332 (df_rd_bb_local_compute_process_def): Ditto.
10333 (df_rd_bb_local_compute): Ditto.
10334 (df_lr_bb_local_compute): Ditto.
10335 (df_ur_bb_local_compute): Ditto.
10336 (df_urec_bb_local_compute): Ditto.
10337 (df_chain_create_bb): Ditto.
10338 (df_ur_local_finalize): Removed entry.
10339 (df_urec_init): Ditto.
10340 (df_urec_local_finalize): Ditto.
10341 (df_ri_bb_compute): Added detection of last use of pseudos.
10342 * Makefile.in (df-scan.o): Updated dependencies.
10343 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10344 * config/mips/mips.c (mips_set_live_on_entry): Added.
10345 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10347 * dce.c (marked_insn_p): Added code to handle artifical defs.
10349 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10351 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10353 (_mm_cvtsi128_si64): Likewise.
10354 (_mm_cvtsd_si64): Likewise.
10355 (_mm_cvttsd_si64): Likewise.
10356 (_mm_cvtsi64_sd): Likewise.
10357 (_mm_cvtsi64_si128): Likewise.
10358 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10359 (_mm_cvtsi64_m64): Likewise.
10360 (_m_to_int64): Likewise.
10361 (_mm_cvtm64_si64): Likewise.
10362 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10363 (_mm_cvttss_si64): Likewise.
10364 (_mm_cvtsi64_ss): Likewise.
10365 (_mm_cvtss_f32): Likewise.
10367 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10369 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10370 for pragma redefine_extname.
10372 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10375 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10376 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10377 -mno-minimal-toc to previous content.
10378 (bispecs): Remove goal.
10379 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10380 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10381 compatibility aliases on powerpc-*-*gnu*.
10382 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10383 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10384 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10385 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10386 (ldblspecs): New goal.
10387 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10388 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10390 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10391 L_sf_to_tf or L_df_to_tf is defined.
10393 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10394 Alan Modra <amodra@bigpond.net.au>
10397 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10398 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10399 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10400 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10401 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10402 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10403 (rs6000_override_options): Initialize rs6000_ieeequad.
10404 Initialize TFmode format to ibm_extended_format if not
10406 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10408 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10409 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10410 (function_arg_advance): IBM long double passed in two FPRs, not
10412 (function_arg): IBM long double passed in FPRs.
10413 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10414 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10415 Only multireg GPR aligned.
10416 (rs6000_init_libfuncs): Enable IBM long double functions if not
10418 (rs6000_generate_compare): Use IBM long double compare if not
10420 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10421 (TARGET_IEEEQUAD): Define.
10422 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10423 not TARGET_IEEEQUAD.
10424 * config/rs6000/rs6000.md: Enable TFmode patterns if
10426 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10427 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10428 and -mlong-double-128 are incompatible.
10429 * doc/invoke.texi (-mabi): Collect options together. Add
10430 ibmlongdouble and ieeelongdouble.
10432 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10434 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10436 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10437 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10438 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10439 * rtl.h (rtunion_def): Remove rt_ptr.
10441 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10442 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10443 * config/i386/winnt.c (i386_pe_mark_dllexport)
10444 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10446 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10448 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10450 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10454 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10455 pthread_key_delete. From John David Anglin. gthrw-ify
10456 pthread_getunique_np only if it it's not a macro. Delete
10458 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10459 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10460 __gthread_objc_condition_signal, __gthread_key_delete): Add
10461 "__attribute__ ((__unused__))" to unused arguments.
10462 (__gthread_recursive_mutex_init_function): Add missing return.
10463 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10464 gthr-posix95.h: Use macro-based approach for name redirection
10465 on targets missing weakref.
10467 2006-01-26 Zack Weinberg <zackw@panix.com>
10469 * genconditions.c (write_header): In generated code, #ifdef out
10470 all includes and fake declarations, except includes of bconfig.h
10471 and system.h, unless GCC_VERSION >= 3001. Do not include
10472 gensupport.h in any case.
10473 (write_conditions): Generate a definition of struct c_test. Add
10474 a comment to the generated #endif.
10475 (write_one_condition): Escape backslashes in string too.
10476 (write_writer): Generated code must escape backslashes and quote
10477 marks (but not newlines) in the strings it writes.
10478 * Makefile.in (build/gencondmd.o): Update dependencies.
10480 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10483 * Makefile.in (insn-automata.o): Add header file dependencies.
10484 * genautomata.c: Add includes.
10486 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10489 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10491 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10493 * configure.ac: Expect target tools paths to be passed from the toplevel
10494 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10496 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10498 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10501 * c.opt (Wpointer-sign): Init to -1.
10502 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10503 OPT_pedantic, to 0 otherwise.
10504 * doc/invoke.texi: Update.
10506 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10508 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10509 constants provided by 80387 instructions in the destination mode.
10511 2006-01-26 Richard Guenther <rguenther@suse.de>
10512 Andrew Pinski <pinskia@physics.uc.edu>
10515 partial PR tree-opt/17064
10516 * tree-ssa-structalias.c (intra_create_variable_infos):
10517 Create heap variables for incoming parameters if
10518 flag_argument_noalias > 1.
10519 (find_what_p_points_to): Look through default defs of
10522 2006-01-26 Jeff Law <law@redhat.com>
10525 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10526 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10527 within the VR_RANGE, use the VR_RANGE as the result, not the
10529 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10530 bounds for the type.
10532 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10534 * tree-ssa-alias.c (maybe_create_global_var): Change
10535 subvar walking to an assertion that we don't have subvar'd variables.
10537 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10540 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10541 Use a new variable, inner. PARM_DECLs are always non-weak.
10543 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10545 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10546 --disable-checking.
10548 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10550 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10552 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10554 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10555 (smax_insn, smin_insn, smax_0, smin_0): New.
10557 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10560 * config/cris/cris.c (cris_order_for_addsi3): New function.
10561 * config/cris/cris-protos.h: Prototype it.
10562 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10563 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10564 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10565 (split for "op.S1 [rx=rx+i],ry (swapped)")
10566 (split for "op(s|u).S1 [rx=rx+i],ry")
10567 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10568 Apply cris_order_for_addsi3 when generating addsi3 insns.
10570 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10572 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10573 (TREE_BLOCK): Add call to EXPR_CHECK.
10575 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10578 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10579 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10580 (dump_omp_clauses): ... here.
10581 (dump_generic_node): Handle OMP_CLAUSE.
10582 * tree.c (omp_clause_num_ops): New.
10583 (omp_clause_code_name): New.
10584 (tree_code_size): Handle OMP_CLAUSE.
10585 (tree_size): Likewise.
10586 (make_node): Document handling of OMP_CLAUSE.
10587 (tree_node_structure): Handle OMP_CLAUSE.
10588 (omp_clause_check_failed): New.
10589 (omp_clause_range_check_failed): New.
10590 (omp_clause_operand_check_failed): New.
10591 (build_omp_clause): New.
10592 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10593 * tree.h (enum omp_clause_code): Declare.
10594 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10595 (OMP_CLAUSE_RANGE_CHECK): Define.
10596 (OMP_CLAUSE_ELT_CHECK): Define.
10597 (omp_clause_check_failed): Declare.
10598 (omp_clause_operand_check_failed): Declare.
10599 (omp_clause_range_check_failed): Declare.
10600 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10601 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10602 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10603 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10604 (OMP_CLAUSE_IF_EXPR): Likewise.
10605 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10606 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10607 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10608 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10609 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10610 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10611 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10612 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10613 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10614 (OMP_CLAUSE_CODE): Define.
10615 (OMP_CLAUSE_SET_CODE): Define.
10616 (OMP_CLAUSE_CODE): Define.
10617 (OMP_CLAUSE_OPERAND): Define.
10618 (struct tree_omp_clause): Declare.
10619 (union tree_node): Add field 'omp_clause'.
10620 * treestruct.def (TS_OMP_CLAUSE): Define.
10621 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10622 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10623 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10624 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10625 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10626 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10627 (OMP_CLAUSE): Define.
10628 * print-tree.c (print_node): Handle OMP_CLAUSE.
10629 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10630 * c-typeck.c: Likewise.
10631 * gimplify.c: Likewise.
10632 * c-omp.c: Likewise.
10633 * tree-nested.c: Likewise.
10634 * tree-inline.c: Likewise.
10635 * c-parser.c: Likewise.
10636 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10639 2006-01-25 Roger Sayle <roger@eyesopen.com>
10641 PR rtl-optimization/25703
10642 * combine.c (try_combine): Handle zero_extract and strict_low_part
10643 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10645 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10647 * global.c: Fix comment typos.
10649 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10652 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10653 Use output_addr_const instead of assemble_name.
10655 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10657 * Makefile.in (sched-vis.o): Update dependencies.
10658 * haifa-sched.c (sched_finish): Clear current_sched_info.
10659 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10660 (dump_flow_info): Call it.
10661 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10663 * basic-block.h (dump_bb_info): Declare.
10664 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10665 option, and apply options only for dump files whose TDF_RTL,
10666 TDF_TREE, or TDF_IPA bits match.
10667 * rtl.h: Declare new functions exported from sched-vis.c.
10668 * sched-vis.c: Enable also if scheduling is not used.
10669 (print_value): Print the mode of registers if not inside scheduling.
10670 (print_insn): Make it work outside the scheduler. Beautify the output
10672 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10674 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10676 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10677 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10678 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10679 depending on the value of CONSTANT_POOL_ADDRESS_P.
10680 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10682 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10683 rather than SYMBOL_REF_DECL.
10684 (rtx_constant_pool): Remove const_rtx_sym_htab.
10685 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10686 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10687 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10688 Remove handling of const_rtx_sym_htab.
10689 (find_pool_constant): Delete.
10690 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10691 rather than find_pool_constant.
10692 (get_pool_constant_for_function): Delete.
10693 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10694 find_pool_constant.
10695 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10696 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10697 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10698 (SYMBOL_REF_CONSTANT): New macro.
10699 (get_pool_constant_for_function): Delete.
10700 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10701 rather than SYMBOL_REF_DECL.
10702 (i386_pe_mark_dllimport): Likewise.
10703 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10704 rather than SYMBOL_REF_DECL.
10705 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10706 (machopic_indirect_call_target): Likewise.
10708 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10710 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10712 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10714 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10716 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10718 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10720 2006-01-24 David Daney <ddaney@avtrex.com>
10723 * configure.ac (enable_tls): New enable option.
10724 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10725 * configure: Regenerate.
10726 * doc/install.texi (--enable-tls): Document new option.
10727 (--disable-tls): Ditto.
10729 2006-01-24 Richard Henderson <rth@redehat.com>
10731 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10732 * alias.c (true_dependence): Respect it.
10733 (canon_true_dependence, write_dependence_p): Likewise.
10734 * builtins.c (get_builtin_sync_mem): Set it.
10736 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10738 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10741 2006-01-24 DJ Delorie <dj@redhat.com>
10743 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10744 for storing constants in single-bit bitfields.
10746 2006-01-25 Ben Elliston <bje@au.ibm.com>
10748 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10750 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10753 * tree-ssa-pre.c (phi_translate): Return NULL
10754 for AGGREGATE_TYPE's.
10756 2006-01-24 Zack Weinberg <zackw@panix.com>
10758 * genautomata.c (process_state_for_insn_equiv_partition):
10759 Use xcalloc for insn_arcs_array.
10760 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10761 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10763 2006-01-24 Richard Henderson <rth@redhat.com>
10765 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10766 update all callers.
10768 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10770 PR rtl-optimization/25890
10771 PR rtl-optimization/25905
10772 * combine.c (expand_compound_operation, expand_field_assignment):
10773 Fail if the bitfield's final position is out of bounds.
10775 2006-01-24 Ian Lance Taylor <ian@airs.com>
10777 PR middle-end/25930
10778 * cgraphunit.c (cgraph_output_in_order): Don't clear
10779 cgraph_asm_nodes until after asm strings have been output.
10781 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10783 * fix-header.c (read_scan_file): Add new parameter imultilib when
10784 calling register_include_chains.
10786 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10788 * omp-low.c: Update documentation.
10790 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10791 Daniel Berlin <dberlin@dberlin.org>
10795 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10796 return from the function.
10798 2006-01-22 Zack Weinberg <zackw@panix.com>
10800 * rtl.def (match_code): Add second argument.
10801 * genpreds.c (write_extract_subexp): New function.
10802 (write_match_code): Add path argument. Use write_extract_subexp.
10803 (write_predicate_expr): Pass path to write_match_code.
10804 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10805 not perform a mode test.
10806 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10807 a subexpression does not constrain the top-level code set.
10808 * read-rtl.c (read_rtx_variadic): New function.
10809 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10810 * doc/md.texi: Document new notation.
10811 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10812 (cmpsi_operand): ... here, using new notation.
10814 2006-01-22 Zack Weinberg <zackw@panix.com>
10816 * varray.c: Remove GENERATOR_FILE #ifdefs.
10818 2006-01-22 Zack Weinberg <zackw@panix.com>
10820 * genautomata.c (output_reserved_units_table): Emit nothing if
10821 description->query_units_num is zero. Remove extra blank line.
10822 (output_cpu_unit_reservation_p): Short circuit
10823 if description->query_units_num is zero.
10825 2006-01-22 Zack Weinberg <zackw@panix.com>
10827 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10828 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10829 nor any of the random handful of variables that used to be necessary
10830 when this program was linked with rtlanal.o. Prune set of forward
10831 function declarations.
10832 (struct attr_desc): Remove static_p field.
10833 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10834 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10835 (attr_string): Do not read the character one past the length of
10837 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10838 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10839 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10840 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10841 (make_automaton_attrs): New.
10842 (main): Do not call into genautomata. Call local gen_bypass
10843 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10844 Remove special case for insn_alts.
10845 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10846 varray.h (leftover from previous change). Prune set of forward
10847 function declarations. Remove state_alts fields from all
10848 structures. Remove state_alts_table from struct automaton.
10849 Make everything except main static. Do not maintain num_dfa_decls.
10850 Do not maintain state_alts fields of various structures.
10851 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10852 (add_arc): Remove state_alts argument. All callers updated.
10853 (output_reserved_units_table): Emit #ifdef here...
10854 (output_tables): ...not here. Don't generate state_alts tables.
10855 (expand_automata): Don't generate attributes.
10856 (write_automata): Don't generate state_alts functions.
10857 (main): New function.
10858 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10859 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10860 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10861 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10862 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10863 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10864 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10865 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10867 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10868 * genattrtab.h: Delete file.
10869 * Makefile.in (OBJS-common): Add insn-automata.o.
10870 (insn-automata.o): New rule.
10871 (simple_generated_c): Add insn-automata.c.
10872 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10873 (genprogmd): Add automata.
10874 (build/genattrtab): Needs no extra objects nor libraries.
10875 (build/genautomata): Needs build/vec.o and -lm.
10877 2006-01-22 Zack Weinberg <zackw@panix.com>
10879 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10880 (output_dfa_max_issue_rate, locked_states_num): Delete.
10881 (struct automaton): Add locked_states field.
10882 (output_dead_lock_vect): Save number of locked states in
10883 automaton->locked_states. If it is zero, don't print anything.
10884 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10885 (output_internal_dead_lock_func): Only test the dead_lock_vect
10886 for automata that have locked states.
10887 (output_statistics): Always print the number of locked states for
10888 each automaton. Calculate total number of locked states here.
10889 (write_automata): Don't call output_dfa_max_issue_rate.
10890 * genattrtab.c: Define length_unit_log as a const variable.
10891 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10892 max_insn_queue_index const.
10893 * final.c (length_unit_log): Declare const.
10894 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10896 2006-01-22 Zack Weinberg <zackw@panix.com>
10898 * genautomata.c: Include vec.h, not varray.h.
10899 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10900 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10901 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10902 VEC_* macros operating on appropriately typed vectors, or to
10903 malloced arrays when the size is known in advance. Const-ify
10904 many char* variables and function arguments. No functional changes.
10905 * Makefile.in (build/varray.o): Delete rule.
10906 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10907 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10909 2006-01-22 Zack Weinberg <zackw@panix.com>
10911 * gensupport.c: Define get_insn_name and record_insn_name here.
10912 (read_md_rtx): Call record_insn_name as appropriate.
10913 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10914 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10915 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10917 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10918 (BUILD_VARRAY): Delete.
10919 (genprognormal): Rename genprogmd. Fold in all programs from
10920 genprognoprint; also attrtab.
10921 (build/genattrtab): Just mention genautomata.o and varray.o.
10922 Reorganize a bit, add comments to make the categories clearer.
10924 2006-01-22 Zack Weinberg <zackw@panix.com>
10926 * genconditions.c (condition_table, add_condition): Delete.
10927 (write_conditions): Don't emit n_insn_conditions nor
10928 insn_elision_unavailable. Issue the gcc version #ifdef here,
10929 inside the table, with no #else clause ...
10930 (write_header): ...not here.
10931 (write_writer): New function.
10932 (main): Don't initialize condition_table. Use add_c_test.
10934 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10935 files on the command line.
10936 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10937 Return -1 if there is no entry in the table, don't abort.
10938 (add_c_test, traverse_c_tests): New functions.
10939 * gensupport.h (insn_elision_unavailable, insn_conditions)
10940 (n_insn_conditions): Delete declarations.
10941 (add_c_test, traverse_c_tests): Declare.
10942 * read-rtl.c: Include gensupport.h.
10943 (read_conditions): New function.
10944 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10945 (read_rtx_1): If we get EOF when we were looking for an initial
10946 open paren, return 0. Call read_conditions when appropriate.
10947 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10948 dummy-conditions.o. Eliminate references to insn-conditions.o,
10949 or change them to build/gencondmd.o, as appropriate. Remove
10950 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10951 from $(simple_generated_c). For all files remaining in those
10952 two lists, add insn-conditions.md to the generator command line.
10953 Give insn-constants.h/s-constants their own rules. Add rules
10954 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10955 (build/read-rtl.o): Depend on gensupport.h.
10956 (genprognormal): Include preds.
10957 (genprogearly): Rename genprognoprint; only difference is now that
10958 they don't link with $(BUILD_PRINT).
10959 * dummy-conditions.c: Delete.
10961 2006-01-22 Zack Weinberg <zackw@panix.com>
10963 * genextract.c: Don't include insn-config.h. Do include vec.h.
10964 Declare vectors of int, char, and locstr.
10965 (locstr): New typedef.
10966 (struct extraction): Make all array fields into bare pointers.
10967 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10968 (insn_code_number): Delete.
10969 (accum_extract): New struct.
10970 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10971 (gen_insn): Take insn_code_number as an argument. Use an
10972 accum_extract structure instead of loading data directly into
10973 a struct extraction, and having to know how big it might get.
10974 (walk_rtx): Operate entirely on an accum_extract structure.
10975 (print_path): Avoid unnecessary use of printf.
10976 (print_header): New function, split out of main. Distinguish
10977 more carefully between an unrecognizable insn and an insn that
10978 has the code number of a define_expand.
10979 (main): Pass insn_code_number to gen_insn. Call print_header
10980 only after parsing. Avoid unnecessary use of printf.
10981 * Makefile.in (build/vec.o): New rule.
10982 (build/genextract): Depend on build/vec.o.
10983 (build/genextract.o): Don't depend on insn-config.h.
10985 2006-01-22 Zack Weinberg <zackw@panix.com>
10987 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10988 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10989 practical. Eliminate per-generator-program link rules.
10991 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10993 PR middle-end/24437
10994 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10995 with a call expr to ...
10996 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10998 2006-01-23 Richard Guenther <rguenther@suse.de>
11000 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11001 before make_edge with conditional EDGE_TRUE_VALUE.
11003 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11004 Jan Hubicka <jh@suse.cz>
11005 Richard Guenther <rguenther@suse.de>
11007 PR rtl-optimization/25654
11008 * cfgexpand.c (aggregate_contains_union_type): New function.
11009 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11010 for structure variables that contain a union type.
11012 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11014 * gengtype.c (new_structure): Return the structure.
11015 (create_option): Add an extra "next" argument.
11016 (create_field): New function.
11017 (adjust_field_rtx_def): Use create_option and create_field.
11018 Remove a now-unnecessary call to find_structure.
11019 (adjust_field_tree_def): Likewise.
11020 (note_yacc_type): Remove an unnecessary call to find_structure.
11021 * gengtype.h (new_structure): Return the structure.
11022 (create_option): Add an extra argument.
11023 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11024 (option): Adjust calls to create_option.
11026 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11028 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11030 2006-01-22 Paul Brook <paul@codesourcery.com>
11031 Peter Barada <peter@the-baradas.com>
11033 * config/m68k/m68k.md: Add Coldfire FPU support.
11034 Define FP mode macro and associated attributes.
11035 Use it for float mode patterns.
11036 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11037 (LIBCALL_VALUE): Use m68k_libcall_value.
11038 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11039 (m68k_function_value): Ditto.
11040 (emit_move_sequence): Ditto.
11041 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11042 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11043 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11044 (MULTILIB_EXCEPTIONS): Ditto.
11045 * config/m68k/m68k.opt: Add mcfv4e.
11046 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11047 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11048 (m68k_output_function_prologue): Save ColdFire FPU registers.
11049 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11050 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11051 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11052 ColdFire FPU registers.
11053 (m68k_libcall_value, m68k_function_value): New functions.
11054 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11055 (LIBCALL_VALUE): Use m68k_libcall_value.
11056 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11057 (MASK_COLDFIRE): Add MASK_CFV4E.
11058 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11059 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11060 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11061 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11062 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11063 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11064 * doc/invoke.tex: Document -mcfv4e on m68k.
11066 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11068 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11071 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11074 * c-opts.c (c_common_handle_option): Don't include
11075 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11076 * doc/invoke.texi (C++ Dialect Options): Document that
11077 -Wnon-virtual-dtor is no longer included in -Wall.
11079 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11081 * gcov.c (print_version), gcov-dump.c (print_version),
11082 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11085 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11087 * df-scan.c (problem_SCAN): Added NULL reset function.
11088 (df_scan_reset_blocks): Added code to call reset block function
11089 (df_bb_refs_delete) Fixed comment.
11090 (df_insn_refs_delete): Made tolerant of deleting non existent info
11091 for dataflow problems that need to be reset.
11092 * df-core.c (df_set_blocks): Ditto.
11093 * df.h (struct df_problem): Added reset_fun.
11094 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11095 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11096 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11097 functions to clear out all references to def-use or use-def chains.
11099 2006-01-21 Ben Elliston <bje@au.ibm.com>
11101 * varasm.c (assemble_real): Initialise data array.
11103 2006-01-20 Paul Brook <paul@codesourcery.com>
11105 Merge from csl-arm-branch.
11106 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11107 * config/arm/arm.md (movdi): Force operands[1] to a register
11108 if we have a non-register source.
11109 (*arm_movdi, *movdf_soft_insn): Require that one of the
11110 operands be a register.
11111 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11112 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11114 2006-01-20 DJ Delorie <dj@redhat.com>
11116 * varasm.c (initializer_constant_valid_p): Allow pointers
11117 initialized from integer constants of lesser precision.
11118 (output_constant): Allow non-int-sized pointer modes to be
11119 initialized from integer constants.
11121 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11124 * cppdefault.h (struct default_include): Add multilib flag.
11125 * cppdefault.c (cpp_include_defaults): Set it.
11126 * c.opt (-imultilib): New option.
11127 * c-opts.c (imultilib): New.
11128 (c_common_handle_option): Handle -imultilib.
11129 (c_common_post_options): Likewise.
11130 * c-incpath.c (add_standard_paths, register_include_chains):
11132 * c-incpath.h (register_include_chains): Add extra parameter.
11133 * gcc.c (do_spec_1): Generate -imultilib option.
11134 (The Specs Language): Update %I description.
11135 (process_command): Update copyright notice.
11136 * doc/cppopts.texi (-imultilib): Document.
11137 * doc/invoke.texi (-imultilib): Include in option summary.
11138 (%I): Update specs documentation.
11140 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11142 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11144 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11146 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11149 2006-01-20 Richard Guenther <rguenther@suse.de>
11150 Steven Bosscher <stevenb.gcc@gmail.com>
11152 PR rtl-optimization/24626
11153 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11154 EDGE_TRUE_VALUE if in RTL mode.
11157 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11158 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11160 2006-01-20 Dirk Mueller <dmueller@suse.com>
11163 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11164 instead of a special NOP marker.
11165 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11166 NOP marker handling.
11167 * c-common.h (empty_body_warning): Add forward declaration.
11168 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11169 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11171 2006-01-20 Paul Brook <paul@codesourcery.com>
11173 * Makefile.in (lang_checks): Keep going if mkdir fails.
11175 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11177 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11178 be able to clean out basic block when not necessary.
11179 (df_scan_free): Fixed to properly delete information if df is
11180 unused before calling df_finish.
11181 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11182 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11184 (df_bb_refs_delete): New function.
11185 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11186 * df-core.c (df_set_blocks): Added code to properly clean out
11187 unused blocks if they are not part of the blocks to consider.
11188 Added additional null check.
11189 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11190 be able to clean out basic block when not necessary
11191 * df.h (df_free_bb_function): Ditto.
11192 (df_bb_refs_delete): New function.
11193 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11194 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11195 basic block parameter to be able to clean out basic block when not
11197 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11198 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11199 Fixed to properly delete information if df is unused before
11202 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11204 PR rtl-optimization/25799
11205 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11206 Corrected confluence operator to remove bits from op2 before oring
11207 with op1 rather than removing bits from op1.
11208 (df_ru_transfer_function): Corrected test on wrong bitmap which
11209 caused infinite loop. Both of these problems were introduced in
11210 the dataflow rewrite.
11212 2006-01-19 DJ Delorie <dj@redhat.com>
11214 * reload1.c (find_reload_regs): Note the details of reload
11215 failures in the dump file.
11216 (spill_failure): Likewise.
11218 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11220 * loop-iv.c: Include df.h and hashtab.h.
11221 (enum iv_grd_result): New enum.
11222 (DF_REF_IV, DF_REF_IV_SET): New macros.
11223 (struct biv_entry): New.
11224 (df, bivs): New global variables.
11225 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11226 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11228 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11229 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11230 analyzed_for_bivness_p, record_biv): New functions.
11231 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11232 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11233 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11235 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11237 (iv_number_of_iterations): Use new interface to iv analysis.
11238 * loop-unroll.c: Do not include varray.h.
11239 (analyze_iv_to_split_insn): Use new interface to iv
11241 * loop-unswitch.c (may_unswitch_on): Ditto.
11242 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11244 (df_bb_modify): Realloc tables to the new index.
11245 (df_find_use): New function.
11246 * df.h (df_find_use): Declare.
11247 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11249 * cfgloop.h (struct rtx_iv): Remove analysed field.
11250 (iv_get_reaching_def): Removed.
11251 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11252 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11253 (loop-iv.o): Add df.h and hashtab.h dependency.
11254 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11256 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11259 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11261 (__floatundisf, __floatundidf): Likewise.
11262 * libgcc2.h (IS_IBM_EXTENDED): Define.
11264 2006-01-19 DJ Delorie <dj@redhat.com>
11266 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11268 2006-01-19 Paul Brook <paul@codesourcery.com>
11270 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11271 as nothrow when unwinding tables are disabled.
11273 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11276 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11277 of bit-field" when in system header.
11279 2006-01-19 DJ Delorie <dj@redhat.com>
11281 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11282 the 16 bit shift limit of the m16c.
11284 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11287 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11288 * config/i386/i386.c (output_set_got): Output the label if we have one
11289 for the TARGET_DEEP_BRANCH_PREDICTION case.
11291 2006-01-19 Jan Hubicka <jh@suse.cz>
11292 H.J. Lu <hongjiu.lu@intel.com>
11293 Evandro Menezes <evandro.menezes@amd.com>
11295 * invoke.texi (generic): Document
11297 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11298 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11299 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11300 (x86_use_incdec, x86_pad_returns): New variables
11301 (TARGET_CPU_DEFAULT_generic): New constant
11302 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11303 (enum processor_type): Add generic32 and generic64.
11304 * i386.md (cpu attribute): Add generic32/generic64
11305 (movhi splitter): Behave sanely when both partial_reg_dependency and
11306 partial_reg_stall are set.
11307 (K8 splitters): Enable for generic as well.
11308 * predicates.md (incdec_operand): Use TARGET_INCDEC
11309 (aligned_operand): Avoid memory mismatch stalls.
11310 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11311 * ppro.md: Enable for generic32
11312 * i386.c (generic64_cost, generic32_cost): New.
11313 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11314 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11315 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11316 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11317 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11318 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11319 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11320 x86_accumulate_outgoing_args, x86_prologue_using_move,
11321 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11322 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11323 Enable for generic.
11324 (x86_use_incdec, x86_pad_returns): New.
11325 (override_options): Add generic32 and generic64, translate "generic"
11326 to generic32/generic64 and "i686" to "generic32", refuse
11327 "generic32"/"generic64" as arch target.
11328 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11329 (ix86_reorg): Honor PAD_RETURNS.
11331 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11333 * tree-pretty-print.c (dump_generic_node): Handle
11334 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11335 * cgraph.c (cgraph_expand_queue): Rename from
11336 cgraph_analyze_queue. Update all users.
11337 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11338 cgraph_expand_queue.
11339 (cgraph_expand_all_functions): Likewise.
11340 (cgraph_finalize_pending_functions): Remove. Update callers.
11342 * tree.h (OMP_DIRECTIVE_P): Define.
11343 (OMP_PARALLEL_FN): Define.
11344 (OMP_PARALLEL_DATA_ARG): Define.
11345 (OMP_SECTIONS_SECTIONS): Define.
11346 * tree-pass.h (pass_expand_omp): Declare.
11347 * omp-low.c (struct omp_region): Declare.
11348 (struct omp_context): Remove fields 'parallel_type',
11349 'parallel_start_ix' and 'parallel_start_additional_args'.
11351 (struct omp_for_data): Rename from struct expand_omp_for_data.
11352 (omp_regions): New static variable.
11353 (root_omp_region): New static variable.
11354 (find_omp_clause): Make static.
11355 (is_in_combined_parallel_ctx): Remove.
11356 (is_combined_parallel): New.
11357 (extract_omp_for_data): Move earlier in the file.
11358 (workshare_safe_to_combine_p): New.
11359 (get_ws_args_for): New.
11360 (determine_parallel_type): Move earlier in the file.
11361 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11363 (omp_copy_decl): Likewise.
11364 (create_omp_child_function): Likewise.
11365 (lookup_omp_region): New.
11366 (dump_omp_region): New.
11367 (debug_omp_region): New.
11368 (debug_all_omp_regions): New.
11369 (new_omp_region): New.
11370 (scan_omp_parallel): If parallel_nesting_level > 1, the
11371 directive is nested within another parallel directive.
11372 Set OMP_PARALLEL_FN.
11373 (scan_omp_for): Do not try to handle combined parallel+for
11375 Remove FIXME comment.
11376 (scan_omp_nested): Remove.
11377 (scan_omp_1): Do not call scan_omp_nested when
11378 parallel_nesting_level is > 1.
11379 Do not change the DECL_CONTEXT of local variables found.
11380 (lookup_decl_in_outer_ctx): New.
11381 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11382 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11383 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11384 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11385 If CTX is nested, lookup VAR in the outer context when
11386 building copy assignment.
11387 (lower_send_clauses): Rename from expand_send_clauses.
11388 If CTX is nested, lookup VAR in the outer context when
11389 building copy assignments.
11390 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11391 If CTX is nested, lookup VAR in the outer context when
11392 building copy assignments.
11393 (expand_parallel_call): Rename from build_parallel_call.
11394 Handle combined parallel+workshare cases.
11395 Re-implement to emit code into the CFG.
11397 (expand_omp_parallel): Re-implement to emit code into the CFG.
11398 Call move_sese_region_to_fn to outline the sub-graph
11399 containing the parallel region.
11400 (expand_omp_for_1): Remove.
11401 (expand_omp_for_generic): Re-implement to emit code into the
11403 (expand_omp_for_static_nochunk): Likewise.
11404 (expand_omp_for_static_chunk): Likewise.
11405 (expand_omp_for): Likewise.
11406 (expand_omp_sections): Likewise.
11407 (remove_exit_barriers): New.
11408 (expand_omp_synch): New.
11410 (build_omp_regions_1): New.
11411 (build_omp_regions): New.
11412 (execute_expand_omp): New.
11413 (gate_expand_omp): New.
11414 (pass_expand_omp): Define.
11415 (lower_omp_sections): Rename from expand_omp_sections.
11416 Set OMP_SECTIONS_SECTIONS.
11417 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11418 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11419 (lower_omp_single): Rename from expand_omp_simple.
11420 (lower_omp_master): Rename from expand_omp_master.
11421 (lower_omp_ordered): Rename from expand_omp_ordered.
11422 (lower_omp_critical): Rename from expand_omp_critical.
11423 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11424 (lower_omp_for): Re-implement.
11425 (lower_omp_parallel): Re-implement.
11426 (lower_regimplify): Rename from expand_regimplify.
11427 (lower_omp_1): Rename from expand_omp_1.
11428 If there are syntax errors in the program, replace every
11429 OpenMP directive with NOP.
11430 Call lower_omp_* instead of expand_omp_*.
11431 (lower_omp): Rename from expand_omp.
11433 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11434 * tree-gimple.h (enum omp_parallel_type): Remove.
11435 (gimple_boolify): Declare extern.
11436 (find_omp_clause, determine_parallel_type): Remove.
11438 * gimple-low.c (lower_omp_directive): New.
11439 (lower_stmt): Call it.
11440 (record_vars_into): Move from ...
11441 (record_vars): ... here.
11442 Call record_vars_into with current_function_decl.
11444 * gimplify.c (struct gimplify_ctx): Remove fields
11445 combined_pre_p and combined_ctxp. Update users.
11446 (get_formal_tmp_var): Add documentation.
11447 (gimple_boolify): Make extern.
11448 (gimplify_expr_in_ctx): Remove. Update callers.
11449 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11450 will always be a BIND_EXPR.
11451 (gimplify_expr): Handle OMP_RETURN_EXPR.
11452 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11453 (OMP_PARALLEL): Add 3 operands.
11454 (OMP_SECTIONS): Add 1 operand.
11455 (OMP_RETURN_EXPR): Define.
11457 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11458 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11459 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11460 creating a circular free list.
11461 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11463 * tree-flow.h (move_sese_region_to_fn): Declare.
11464 (record_vars_into): Declare.
11465 * tree-cfg.c (make_omp_sections_edges): New.
11466 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11467 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11468 OMP_SECTIONS and OMP_SECTION.
11469 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11470 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11471 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11472 (gather_blocks_in_sese_region): New.
11473 (struct move_stmt_d): Declare.
11474 (move_stmt_r): New.
11475 (move_block_to_fn): New.
11476 (move_sese_region_to_fn): New.
11478 * passes.c (init_optimization_passes): Schedule
11479 pass_expand_omp after pass_init_datastructures.
11481 * tree-ssa-operands.c (get_expr_operands): Handle
11482 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11483 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11485 2006-01-19 Jeff Law <law@redhat.com>
11487 * tree-vrp.c (extract_range_from_assert): Refine the result range
11488 if the variable referenced by the ASSERT_EXPR has a range and
11489 either the tentative result range or the previous range is a
11492 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11494 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11496 2006-01-19 Jan Hubicka <jh@suse.cz>
11498 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11500 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11502 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11503 (expand_compound_operation, expand_field_assignment): Fail if the
11504 bit lengths of an extract operation are out of range.
11505 (make_extraction): Compute wanted_inner_mode based on the position
11506 and length of the extraction. Make it extraction_mode for non-constant
11507 positions, and do not modify offset in that case. When generating a
11508 new MEM, use a mode that can hold the extraction while keeping correct
11509 alignment. Remove code that supported MEMs wrapped by USEs.
11510 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11512 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11514 * config/s390/s390.md ("Y", "y"): New mode attribute.
11515 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11516 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11517 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11518 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11519 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11520 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11521 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11522 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11523 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11524 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11525 "addsi3", "subsi3"): Insn patterns removed.
11526 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11527 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11528 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11529 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11530 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11531 "*sub<mode>3_cconly2"): New insn patterns.
11532 ("addsi3", "subsi3"): New expanders.
11534 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11536 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11537 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11538 existing STMT_VINFO_VECTYPE if available.
11539 (vect_mark_relevant): Add special handling for stmts that are
11540 marked as STMT_VINFO_IN_PATTERN_P.
11541 (vect_analyze_loop): Call vect_pattern_recog.
11542 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11543 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11545 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11546 (vect_recog_func_ptr): New function-pointer type.
11547 * tree-vect-patterns.c: New file.
11548 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11549 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11550 (vect_pattern_recog_1): New functions.
11551 (vect_pattern_recog_funcs): New array of function pointers.
11553 * tree-vectorizer.h (ternary_op): New enum value.
11554 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11555 declaration. Revised documentation. Removed redundant dump prints.
11556 Removed redundant argument. Added support for reduction patterns.
11557 (vectorizable_reduction): Added support for reduction patterns.
11558 (vect_transform_stmt): Added support for patterns.
11560 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11561 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11562 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11563 (expand_widen_pattern_expr): New function.
11564 (init_optabs): Initialize new optabs udot_prod_optab,
11566 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11567 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11568 (expand_widen_pattern_expr): New function declaration.
11569 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11571 * tree-inline.c (estimate_num_insns_1): Added cases for new
11572 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11573 * tree-pretty-print.c (dump_generic_node): Likewise.
11574 (op_prio): Likewise.
11575 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11576 * tree-ssa-operands.c (get_expr_operands): Added case for
11578 * tree-vect-patterns.c (widened_name_p): New function.
11579 (vect_recog_dot_prod_pattern): Added function implementation.
11580 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11581 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11582 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11583 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11585 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11586 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11587 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11588 (init_optabs): Initialize new optabs widen_ssum_optab,
11590 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11591 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11592 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11593 use instead of type of def.
11594 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11595 function implementation.
11596 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11597 widen_ssumv8hi): New.
11599 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11602 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11605 * c-decl.c (add_flexible_array_elts_to_size): New function.
11606 (finish_decl): Use it.
11608 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11610 * diagnostic.h: Include options.h.
11611 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11612 dependancies for diagnostic.h.
11613 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11615 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11617 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11618 (ssa_ro_call_cache_valid): Ditto.
11619 * tree-ssa-alias.c (sort_tags_by_id): New function.
11620 (init_transitive_clobber_worklist): Ditto.
11621 (add_to_worklist): Ditto.
11622 (mark_aliases_call_clobbered): Ditto.
11623 (compute_tag_properties): Ditto.
11624 (set_initial_properties): Ditto.
11625 (compute_call_clobbered): Ditto.
11626 (compute_may_aliases): Call compute_call_clobbered and grouping.
11627 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11628 (compute_flow_insensitive_aliasing): Grouping now happens in our
11630 (setup_pointers_and_addressables): Remove clobbering related code.
11631 (add_may_alias): Ditto.
11632 (replace_may_alias): Ditto.
11633 (get_nmt_for): Ditto.
11634 (create_global_var):
11635 (is_escape_site): Return an escape_type enumeration.
11636 * tree-flow-inline.h (is_call_clobbered): Global var does not
11637 imply call clobbered.
11638 (mark_call_clobbered): Take a reason for marking this. Remove
11639 marking of globalness, and cache invalidation.
11640 (clear_call_clobbered): Remove cache invalidation code.
11641 * tree-dfa.c (dump_variable): If details is on, dump the reason
11643 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11645 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11646 (struct var_ann_d): Ditto.
11647 (enum escape_type): New.
11648 (mark_call_clobbered): Adjust prototype.
11649 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11650 are never call clobbered.
11651 Record reasons for escaping.
11652 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11653 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11654 (ssa_ro_call_cache_valid): Ditto.
11655 (clobbered_v_may_defs): Ditto.
11656 (clobbered_vuses): Ditto.
11657 (ro_call_vuses): Ditto.
11658 (clobber_stats): New.
11659 (init_ssa_operands): Zero out clobber stats.
11660 (fini_ssa_operands): Print out clobber stats.
11661 (get_call_expr_operands): Pass callee fndecl to
11662 add_call_read_ops).
11663 (add_call_clobber_ops): Remove use of cache.
11664 Add use of PURE_CONST information.
11665 (add_call_read_ops): Remove use of cache.
11666 Add use of static not_read information.
11668 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11670 Introduce TLS descriptors for i386 and x86_64.
11671 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11672 (TARGET_ANY_GNU_TLS): New macro.
11673 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11674 (struct machine_function): Add tls_descriptor_call_expanded_p.
11675 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11676 (ix86_current_function_calls_tls_descriptor): Likewise.
11677 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11678 (override_options): Introduce gnu2 tls dialect.
11679 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11681 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11683 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11684 (ix86_init_machine_status): Initialize new field.
11685 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11686 (ix86_tls_module_base): New.
11687 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11688 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11689 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11690 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11691 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11692 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11693 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11694 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11695 * config/i386/predicates.md (tls_modbase_operand): New.
11696 (tp_or_register_operand): New.
11698 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11700 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11701 (look_for_address_of): Ditto.
11702 (ipa_init): Walk the function decls.
11703 (static_execute): Don't set readonly on FUNCTION_DECL's.
11705 2006-01-18 Roger Sayle <roger@eyesopen.com>
11707 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11708 for shifts where the source and destination registers are different.
11710 2006-01-18 Paul Brook <paul@codesourcery.com>
11712 Merge from csl-arm-branch.
11713 2005-03-14 Julian Brown <julian@codesourcery.com>
11714 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11715 (aeabi_llsl): Likewise.
11716 (ashrdi3): Likewise.
11717 (aeabi_lasr): Likewise.
11718 (lshrdi3): Likewise.
11719 (aeabi_llsr): Likewise.
11720 2005-03-10 Julian Brown <julian@codesourcery.com>
11721 * config.gcc: Disable shared libgcc for SymbianOS.
11722 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11724 2006-01-18 DJ Delorie <dj@redhat.com>
11726 * c-pragma.c (handle_pragma_diagnostic): New.
11727 (init_pragma): Register it.
11728 * doc/extend.texi: Document it.
11730 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11731 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11732 (diagnostic_context): Add classify_diagnostic[].
11733 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11734 as errors if they're overridden to DK_WARNING.
11735 (diagnostic_initialize): Initialize classify_diagnostic[].
11736 (diagnostic_set_kind_override): New.
11737 (diagnostic_report_diagnostic): Check for kind changes.
11738 * opts.c (common_handle_option): Take lang_mask. Update callers.
11739 Handle OPT_Werror_.
11740 * common.opt (Werror=): New.
11741 * doc/invoke.texi: Document -Werror=*
11743 2006-01-18 Jeff Law <law@redhat.com>
11745 * tree-vrp.c (test_for_singularity): Correct test for new
11746 min limit. Use operand_equal_p rather than pointer equality
11747 for testing if new min/max values are equal.
11749 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11750 using range information until after propagation and folding.
11752 2006-01-18 Richard Henderson <rth@redhat.com>
11753 Aldy Hernandez <aldyh@redhat.com>
11754 Jakub Jelinek <jakub@redhat.com>
11755 Diego Novillo <dnovillo@redhat.com>
11757 * omp-low.c: New file.
11758 * c-omp.c: New file.
11760 2006-01-18 Richard Henderson <rth@redhat.com>
11761 Jakub Jelinek <jakub@redhat.com>
11762 Diego Novillo <dnovillo@redhat.com>
11764 * doc/invoke.texi: Document -fopenmp.
11765 * tree-dump.h (debug_function): Declare.
11766 * hooks.c (hook_bool_tree_bool_false): New function.
11767 (hook_tree_tree_null): Remove.
11768 (hook_tree_tree_tree_null): New.
11769 * hooks.h: Update to match.
11770 * tree-pretty-print.c (debug_tree_chain): New.
11771 (print_generic_expr): Handle TDF_CHAIN.
11772 (dump_generic_node): Handle BLOCK.
11773 Do not abort with incomplete SWITCH_EXPRs.
11774 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11775 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11776 print space after directive name.
11777 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11778 Handle OMP_MASTER and OMP_ORDERED.
11779 Handle printing of OMP_BODY just in one place, goto
11780 dump_omp_body in the rest of OMP_* nodes that have
11782 Don't handle clause nodes here. Update omp statements to
11783 use dump_omp_clauses.
11784 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11785 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11786 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11787 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11788 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11789 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11790 Adjust output for GOMP_PARALLEL.
11791 (dump_omp_clauses): New.
11792 (print_declaration): Dump DECL_VALUE_EXPR.
11793 (op_symbol_1): Split out of op_symbol.
11794 (dumping_stmts): Remove. Update all users.
11795 * cgraph.c (cgraph_analyze_queue): New.
11796 (cgraph_add_new_function): New.
11797 * cgraph.h (cgraph_analyze_queue): Declare.
11798 (cgraph_add_new_function): Declare.
11799 (cgraph_lower_function): Remove.
11800 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11801 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11802 and TYPE_P nodes in its default clause.
11803 (empty_body_p): New.
11804 (tree_range_check_failed): New.
11805 (build5_stat): New.
11806 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11807 OMP_CLAUSE_REDUCTION_MERGE,
11808 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11809 OMP_CLAUSE_PRIVATE_DEBUG,
11810 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11811 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11812 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11813 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11814 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11815 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11816 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11817 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11818 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11819 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11820 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11821 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11822 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11823 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11824 (TREE_RANGE_CHECK): New.
11825 (empty_body_p): Declare.
11826 (enum omp_clause_default_kind): New.
11827 (build_string_literal): Declare.
11828 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11829 (build5_stat, build5): Declare.
11830 * tree-pass.h (TDF_CHAIN): Define.
11831 * tree-pass.h (PROP_gimple_lomp): Define.
11832 (pass_lower_omp): Declare.
11833 * diagnostic.h (debug_tree_chain): Declare.
11834 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11836 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11837 * builtins.c (build_string_literal): Make extern.
11838 * gcc.c (include_spec_function): New.
11839 (static_spec_functions): Add it.
11840 (main): Move load of libgomp.spec ...
11841 (LINK_COMMAND_SPEC): ... here.
11842 (link_gomp_spec): New.
11843 (static_specs): Include it.
11844 (LINK_COMMAND_SPEC): Add link_gomp.
11845 (GOMP_SELF_SPECS): New.
11846 (driver_self_specs): Include it.
11847 (switch_matches): Don't mark inline.
11848 (main): Load libgomp.spec.
11849 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11850 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11851 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11852 * tree-gimple.h (enum omp_parallel): Declare.
11853 (determine_parallel_type): Declare.
11854 (omp_firstprivatize_variable): Declare.
11855 (omp_reduction_init): Declare.
11856 (diagnose_omp_structured_block_errors): Declare.
11857 (struct walk_stmt_info): Add want_return_expr.
11858 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11859 (find_omp_clause): Declare.
11860 (insert_field_into_struct): Declare.
11861 (struct walk_stmt_info): Move from tree-nested.c
11862 (walk_stmts): Declare.
11863 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11865 * cgraphunit.c (cgraph_lower_function): Make static.
11866 (cgraph_finalize_pending_functions): New.
11867 (cgraph_finalize_function): Call it.
11868 (cgraph_finalize_compilation_unit): Likewise.
11869 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11870 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11871 (BT_FN_UINT_UINT): New.
11872 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11873 DEF_FUNCTION_TYPE_VAR_4): Document.
11874 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11875 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11876 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11877 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11878 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11879 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11880 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11881 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11882 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11883 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11884 into separate files.
11885 (DEF_GOMP_BUILTIN): New.
11886 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11887 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11888 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11889 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11890 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11891 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11892 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11893 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11894 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11895 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11896 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11897 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11898 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11899 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11900 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11901 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11902 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11903 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11904 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11905 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11906 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11907 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11908 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11909 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11910 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11911 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11912 * sync-builtins.def: New file, moved from builtins.def.
11913 * omp-builtins.def: New file, moved from builtins.def.
11914 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11915 * gimple-low.c (lower_function_body): Clear data.
11916 (lower_stmt): Do not handle COMPOUND_EXPR.
11917 Remove call to print_node_brief.
11918 * c-tree.h (c_finish_omp_clauses): New prototype.
11919 (C_DECL_THREADPRIVATE_P): Define.
11920 (lookup_name_no_remap, c_omp_remap_private): Remove
11921 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11922 (check_for_loop_decls): Update decl.
11923 (lookup_name_no_remap, c_omp_remap_private): Declare.
11924 (build_indirect_ref, build_modify_expr, pushdecl,
11925 pushdecl_top_level): Move to c-common.h.
11926 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11927 before the switch, but just in the 2 places that need it.
11928 * c-decl.c (diagnose_mismatched_decls): Do not check for
11929 mismatched thread-local attributes when OLDDECL is marked
11930 threadprivate and NEWDECL has no thread-local attributes.
11931 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11932 (c_gimple_diagnostics_recursively): Rename from
11933 c_warn_unused_result_recursively. Invoke
11934 diagnose_omp_structured_block_errors.
11935 (check_for_loop_decls): Return a singular decl found.
11936 * langhooks.c (lhd_omp_predetermined_sharing): Return
11937 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11938 (lhd_omp_firstprivatize_type_sizes): New.
11939 (lhd_omp_assignment): New.
11940 (lhd_omp_predetermined_sharing): New.
11941 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11942 (struct lang_hooks_for_types): Add
11943 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11944 omp_predetermined_sharing, omp_disregard_value_expr,
11945 omp_private_debug_clause, omp_clause_default_ctor,
11946 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11947 (c_finish_omp_clauses): New.
11948 (c_finish_bc_stmt): Diagnose break within omp for.
11949 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11950 (build_unary_op): Return error_mark after reporting
11952 (build_modify_expr): Likewise.
11953 * gimplify.c: Include optabs.h and pointer-set.h.
11954 (enum gimplify_omp_var_data): Declare.
11955 (struct gimplify_omp_ctx): Declare.
11956 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11958 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11959 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11960 (splay_tree_compare_decl_uid): New.
11961 (new_omp_context): New.
11962 (delete_omp_context): New.
11963 (gimple_add_tmp_var): Call omp_add_variable.
11964 (gimplify_bind_expr): Likewise.
11965 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11966 true, disregard DECL_VALUE_EXPR on the decl if any.
11967 (gimplify_expr_in_ctx): New.
11968 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11969 omp_add_variable, omp_notice_variable, omp_is_private
11970 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11971 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11972 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11973 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11974 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11975 gimplify_omp_atomic): New.
11976 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11977 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11978 OMP_CRITICAL and OMP_ATOMIC.
11979 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11980 * c-pragma.h (enum pragma_kind): Add
11981 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11982 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11983 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11984 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11985 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11986 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11987 PRAGMA_OMP_THREADPRIVATE.
11988 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11989 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11990 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11991 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11992 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11993 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11994 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11995 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11996 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11997 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11998 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11999 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12000 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12002 (struct nesting_info): Add field_map,
12003 suppress_expansion, debug_var_chain.
12004 (create_nesting_tree): Initialize them.
12005 (lookup_field_for_decl): Use field_map.
12006 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12007 (convert_local_omp_clauses): New.
12008 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12009 (walk_body): Split out of walk_function.
12010 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12011 (convert_nonlocal_reference): Handle omp statements.
12012 (convert_local_reference): Likewise.
12013 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12014 (unnest_nesting_tree): New.
12015 (lower_nested_functions): Call it.
12016 (insert_field_into_struct): Make extern.
12017 (struct walk_stmt_info): Move to tree-gimple.h.
12018 (walk_stmts): Make extern.
12019 * omp-builtins.def: New file.
12020 * tree-iterator.c (expr_only): Clarify comment.
12021 * c-common.h (pushdecl_top_level, pushdecl,
12022 build_modify_expr, build_indirect_ref,
12023 c_finish_omp_master, c_finish_omp_critical,
12024 c_finish_omp_ordered, c_finish_omp_barrier,
12025 c_finish_omp_atomic, c_finish_omp_flush,
12026 c_finish_omp_for, c_split_parallel_clauses,
12027 omp_clause_default_kind, c_omp_sharing_predetermined,
12028 c_omp_remap_decl): Declare.
12029 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12030 (OBJS-common): Add omp-low.o.
12031 (c-omp.o, omp-low.o): Add.
12032 (gimplify.o): Add dependency on $(OPTABS_H).
12033 (GTFILES): Add omp-low.c.
12034 (gt-stringpool.h): Add.
12035 * tree-cfg.c (set_bb_for_stmt): Do not update the
12036 block-to-labels map if we are currently expanding to RTL.
12037 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12039 Handle IDENTIFIER_NODE.
12040 (tree_verify_flow_info): Do not ICE when emitting error
12041 messages about invalid labels.
12042 (dump_function_to_file): Reset CFUN before emitting the body
12044 (debug_function): New.
12045 * passes.c (init_optimization_passes): Schedule
12047 * langhooks-def.h (lhd_omp_predetermined_sharing,
12048 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12050 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12051 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12052 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12053 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12054 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12055 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12056 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12057 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12058 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12059 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12060 (LANG_HOOK_DECLS): Use them.
12062 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12063 Richard Henderson <rth@redhat.com>
12064 Jakub Jelinek <jakub@redhat.com>
12065 Diego Novillo <dnovillo@redhat.com>
12067 * c-parser.c (pragma_omp_clause): Define.
12068 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12069 (c_parser_compound_statement): Likewise.
12070 (c_parser_statement): Likewise.
12071 (c_parser_pragma): Handle omp pragmas.
12072 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12073 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12074 (c_parser_omp_clause_name, check_no_duplicate_clause,
12075 c_parser_omp_variable_list,
12076 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12077 c_parser_omp_clause_copyprivate,
12078 c_parser_omp_clause_default,
12079 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12080 c_parser_omp_clause_lastprivate,
12081 c_parser_omp_clause_nowait,
12082 c_parser_omp_clause_num_threads,
12083 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12084 c_parser_omp_clause_reduction,
12085 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12086 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12087 c_parser_omp_atomic, c_parser_omp_barrier,
12088 c_parser_omp_critical, c_parser_omp_flush,
12089 c_parser_omp_for_loop, c_parser_omp_for,
12090 c_parser_omp_master, c_parser_omp_ordered,
12091 c_parser_omp_sections_scope, c_parser_omp_sections,
12092 c_parser_omp_parallel, c_parser_omp_single,
12093 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12094 * c-pragma.c (init_pragma): Do omp pragma registration here.
12095 * c.opt (fopenmp): New flag.
12097 2006-01-18 Eric Christopher <echristo@apple.com>
12099 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12100 * config/darwin.h (GOMP_SELF_SPECS): Define.
12102 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12104 * rtl.h: Remove the prototype for reg_alloc.
12106 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12109 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12110 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12111 sjlj and dwarf2 exception handling.
12112 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12113 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12114 * pa/pa.c (function_value): Treat complex and vector types as
12116 (function_arg): Likewise. Only pass scalar floats in the floating
12117 point argument registers.
12118 * pa/t-slibgcc-dwarf-ver: New file.
12119 * pa/t-slibgcc-sjlj-ver: New file.
12120 * pa/t-slibgcc-elf-ver: Delete file.
12122 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12124 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12125 unlikely_test_section_p test.
12127 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12129 * mode-switching.c (optimize_mode_switching): Make it static.
12130 * basic-block.h: Remove the prototype for
12131 optimize_mode_switching.
12133 * modulo-sched.c (sms_schedule): Make it static.
12134 * rtl.h: Remove the prototype for sms_schedule.
12136 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12137 * rtl.h: Remove the prototype for gcse_after_reload_main.
12139 * reg-stack.c (reg_to_stack): Make it static.
12140 * rtl.h: Remove the prototype for reg_to_stack.
12142 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12144 * rtl.h: Remove the prototypes for regrename_optimize and
12145 copyprop_hardreg_forward.
12147 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12149 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12150 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12151 Test against the appropriate null constant for the mode.
12152 If 'fixup_overlap' is true, swap the operands if they overlap.
12153 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12154 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12155 alpha_split_tmode_pair and adjust for above change.
12156 * config/alpha/alpha.md (movtf_internal): Adjust call to
12157 alpha_split_tfmode_pair and rely on it to swap the operands.
12158 (movti_internal): New insn and post-reload splitter.
12159 (movti): New expander.
12161 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12163 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12166 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12168 * rtlanal.c (global_reg_mentioned_p_1,
12169 global_reg_mentioned_p): Remove.
12170 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12172 * flow.c (initialize_uninitialized_subregs): Make it static.
12173 * rtl.h: Remove the prototype for
12174 initialize_uninitialized_subregs.
12176 * function.c (instantiate_virtual_regs): Make it static.
12177 * function.h: Remove the prototype for
12178 instantiate_virtual_regs.
12180 * regmove.c (regmove_optimize, combine_stack_adjustments):
12182 * rtl.h: Remove the prototypes for regmove_optimize and
12183 combine_stack_adjustments.
12185 2006-01-17 Roger Sayle <roger@eyesopen.com>
12187 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12188 (size_cost): Encode costs in bytes so that a reg-reg addition is
12189 equivalent to COSTS_N_INSNS(1).
12190 (override_options): Use the size_cost.branch_cost as the default
12191 ix86_branch_cost when optimizing for size.
12193 2006-01-18 Ben Elliston <bje@au.ibm.com>
12195 * Makefile.in (D32PBIT_FUNCS): New.
12196 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12197 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12198 D64PBIT_FUNCS and D128PBIT_FUNCS.
12199 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12200 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12202 (decnumber_dep): Define.
12203 * doc/libgcc.texi (Decimal float library routines): New node.
12204 * config/dfp-bit.h, config/dfp-bit.c: New files.
12206 2006-01-18 Ben Elliston <bje@au.ibm.com>
12208 * expr.c (emit_move_change_mode): Always adjust addresses, not
12209 just during reload. Copy replacements only during reload.
12210 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12211 emit_move_via_integer.
12213 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12215 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12216 instead of $(srcdir) and ${srcdir}.
12218 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12221 PR middle-end/11135
12222 * arm.h (struct machine_function): Add pic_reg.
12223 * arm.c (arm_pic_register): Make unsigned.
12224 (arm_override_options): Only set arm_pic_register if
12225 TARGET_SINGLE_PIC_BASE.
12226 (use_return_insn): Only test for a pic register if it is fixed.
12227 (arm_compute_save_reg0_reg12_mask): Likewise.
12228 (thumb_compute_save_reg_mask): Likewise.
12229 (legitimate_pic_operand): Factor out some known invariants.
12230 (legitimize_pic_address): If we don't have a fixed pic register,
12231 then set up a pseudo in the function entry sequence. Handle the
12232 pic base being in a pseudo.
12233 (arm_load_pic_register): Handle the pic register being in a pseudo.
12234 (arm_expand_prologue): Only set up the pic register if it is fixed.
12235 (thumb_expand_prologue): Likewise.
12236 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12237 (pic_load_addr_based_insn): Likewise.
12238 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12241 2006-01-18 Ben Elliston <bje@au.ibm.com>
12243 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12244 decimal float modes for all floating point registers.
12246 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12247 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12249 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12252 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12253 even when the pointer is not NULL.
12255 2006-01-16 Ian Lance Taylor <ian@airs.com>
12257 * common.opt (ftoplevel-reorder): New option.
12258 * cgraph.c (cgraph_asm_nodes): New global variable.
12259 (cgraph_asm_last_node): New static variable.
12260 (cgraph_order): New global variable.
12261 (cgraph_create_node): Set new order field.
12262 (cgraph_varpool_node): Likewise.
12263 (decide_is_variable_needed): Return true if not
12264 flag_toplevel_reorder.
12265 (cgraph_add_asm_node): New function.
12266 * cgraph.h (struct cgraph_node): Add order field.
12267 (struct cgraph_varpool_node): Add order field.
12268 (struct cgraph_asm_node): Define.
12269 (cgraph_asm_nodes, cgraph_order): Declare.
12270 (cgraph_add_asm_node): Declare.
12271 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12273 (cgraph_varpool_assemble_pending_decls): Call it.
12274 (cgraph_output_pending_asms): New static function.
12275 (cgraph_finalize_compilation_unit): Call it.
12276 (struct cgraph_order_sort): Define.
12277 (cgraph_output_in_order): New static function.
12278 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12279 !flag_toplevel_reorder case.
12280 * c-parser.c: Include "cgraph.h".
12281 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12283 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12284 than -fno-unit-at-a-time.
12285 * doc/invoke.texi (Option Summary): Mention
12286 -fno-toplevel-reorder.
12287 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12288 -funit-at-a-time documentation.
12290 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12291 Kazu Hirata <kazu@codesourcery.com>
12293 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12295 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12297 * Makefile.in (FUNCTION_H): New. Use it instead of
12298 function.h throughout the file.
12299 * function.h: Include tree.h.
12301 2006-01-17 Ben Elliston <bje@au.ibm.com>
12303 * recog.c: Separate some functions with whitespace.
12305 2006-01-16 Richard Henderson <rth@redhat.com>
12307 Merge from gomp branch:
12308 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12309 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12310 and rename from struct inline_data. Rename callee* to dst*;
12311 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12312 transform_new_cfg, transform_return_to_modify, and
12313 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12315 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12316 (copy_decl_for_dup): Remove.
12317 * tree-inline.c (struct inline_data): Move to header.
12318 (insert_decl_map): Export.
12319 (remap_decl): Update for member name changes. Use copy_decl hook.
12320 Allow for replacement to be a non-decl. Remove dead code.
12321 (remap_type_1): Check for existing mapping.
12322 (remap_type): Export.
12323 (remap_decls): Update for member name changes.
12324 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12325 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12326 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12327 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12328 (tree_function_versioning, build_duplicate_type): Likewise.
12329 (copy_body_r): Likewise. Export.
12330 (copy_decl_for_dup): Split into ...
12331 (copy_decl_for_dup_finish, copy_decl_to_var,
12332 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12333 (replace_ref_tree, inlining_p): Remove.
12335 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12337 * ifcvt.c (if_convert): Make it static.
12338 * rtl.h: Remove the prototype for if_convert.
12340 * local-alloc.c (local_alloc): Make it static.
12341 * rtl.h: Remove the prototype for local_alloc.
12343 * loop.c (loop_optimize): Make it static.
12344 * cfgloop.h: Remove the prototype for loop_optimize.
12347 2006-01-16 DJ Delorie <dj@redhat.com>
12349 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12352 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12354 * pa.md: Disparage copies between general and floating-point registers
12355 in 32-bit move patterns.
12357 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12360 * Makefile.in (check-%): Depend on site.exp instead of
12361 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12364 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12366 * global.c (global_alloc): Make it static.
12367 * rtl.h: Remove the prototype for global_alloc.
12369 2006-01-16 Richard Guenther <rguenther@suse.de>
12371 * tree-ssa-alias.c (struct used_part): Add write_only field.
12372 (get_or_create_used_part_for): Initialize it to true.
12373 (create_overlap_variables_for): Don't create structure variables
12374 for structures that only are written to.
12375 (find_used_portions): Handle MODIFY_EXPR to track whether a
12376 structure is only written to.
12378 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12380 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12382 * basic-block.h: Remove the prototype for
12383 partition_hot_cold_basic_blocks.
12385 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12387 * cppspec.c (lang_specific_spec_functions): Remove.
12388 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12389 * gcc.h (lang_specific_spec_functions): Remove.
12390 * gccspec.c (lang_specific_spec_functions): Remove.
12392 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12394 * combine.c (record_value_for_reg): Invalidate registers
12396 (record_dead_and_set_regs_1): Likewise, by passing them to
12397 record_value_for_reg.
12398 (record_dead_and_set_regs): Invalidate stores made by a
12399 call. We do not combine across a call, but we still
12400 relied on equivalences.
12402 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12404 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12405 vrp_int_const_binop returning non-constant nodes.
12407 2006-01-16 Paul Brook <paul@codesourcery.com>
12409 * config/m68k/m68k.c (output_move_const_into_data_reg):
12410 Output correct mnemonic for mvz and mvs.
12412 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12414 * rtl-factoring.c: Add sequence abstraction algorithm.
12415 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12416 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12418 (block_has_preserve_label): New function.
12419 * common.opt: Register new pass.
12420 * Makefile.in: Ditto.
12422 * timevar.def: Ditto.
12423 * tree-pass.h: Ditto.
12424 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12425 * rtl.h (make_jump_insn_raw): Add forward decl.
12426 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12428 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12429 Roger Sayle <roger@eyesopen.com>
12431 * fold-const.c (fold_minmax): New static function.
12432 (fold_binary) <MIN_EXPR>: Call it.
12433 <MAX_EXPR>: Likewise.
12434 * stor-layout.c (place_field): Use DECL_SIZE consistently
12435 in the computation of the new record size.
12437 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12439 * cse.c (cse_condition_code_reg): Make it static.
12440 * rtl.h: Remove the prototype for cse_condition_code_reg.
12442 * combine.c (combine_instructions): Make it static.
12443 * rtl.h: Remove the prototype for combine_instructions.
12445 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12448 * tree.c (get_file_function_name_long): Concatenate the first global
12449 object name with a string derived from the input filename of the object
12452 2006-01-16 Ben Elliston <bje@au.ibm.com>
12454 * config/i386/winnt-stubs.c: Update FSF address.
12455 * config/xtensa/ieee754-df.S: Ditto.
12456 * config/xtensa/ieee754-sf.S: Ditto.
12458 2006-01-14 Ian Lance Taylor <ian@airs.com>
12460 * ifcvt.c (noce_init_if_info): New static function, broken out of
12461 noce_process_if_block.
12462 (noce_process_if_block): Call noce_init_if_info.
12463 (check_cond_move_block): New static function.
12464 (cond_move_process_if_block): New static function.
12465 (process_if_block): Call cond_move_process_if_block.
12467 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12469 * cselib.c (hash_table): Rename to cselib_hash_table.
12470 (cselib_clear_table, discard_useless_values,
12471 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12472 cselib_init, cselib_finish): Adjust uses of hash_table.
12474 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12476 PR tree-optimization/25485
12477 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12478 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12479 is known to be false and true, respectively.
12481 2006-01-14 Richard Guenther <rguenther@suse.de>
12483 PR tree-optimization/22548
12484 PR tree-optimization/22555
12485 PR tree-optimization/22501
12486 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12487 * params.def (salias-max-array-elements): New parameter.
12488 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12489 * doc/invoke.texi (salias-max-array-elements): Document.
12490 * tree-flow-inline.h (var_can_have_subvars): We also handle
12492 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12494 * tree-ssa-structalias.c (params.h): Include.
12495 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12496 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12497 (get_constraint_for): For ADDR_EXPR operating on something
12498 containing an ARRAY_REF, add all subvars to the solution.
12499 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12500 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12501 for creating MUST_DEFs.
12502 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12504 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12506 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12508 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12509 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12510 number_of_iterations_le): New functions.
12511 (number_of_iterations_special): Removed.
12512 (number_of_iterations_exit): Do not use number_of_iterations_special.
12513 * tree.c (unsigned_type_for): Always return integer type.
12515 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12516 Richard Guenther <rguenther@suse.de>
12518 PR rtl-optimization/24257
12519 * gcse.c (find_moveable_store): Only consider a store movable
12520 when the SET_SRC of the insn can be assigned to a register.
12522 2006-01-14 Ian Lance Taylor <ian@airs.com>
12524 * tree.c (tree_not_class_check_failed): New function.
12525 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12526 (tree_not_class_check_failed): Declare.
12528 2006-01-13 Ian Lance Taylor <ian@airs.com>
12530 * reload1.c (do_output_reload): Add assertion rejecting a
12533 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12535 * combine.c (struct reg_stat): Add new fields truncation_label and
12537 (record_value_for_reg): Reset truncated_to_mode.
12538 (record_truncated_value): New function.
12539 (check_promoted_subreg): Call it. Rename to check_conversions.
12540 (combine_instructions): Rename check_promoted_subreg to
12542 (reg_truncated_to_mode): New function.
12543 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12544 (gen_lowpart_or_truncate): New function.
12545 (force_to_mode): Use it instead of gen_lowpart.
12547 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12549 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12550 VAR is a tag, not its type tag.
12552 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12554 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12555 alternatives to match style of other entries.
12556 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12558 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12560 PR tree-optimization/25771
12561 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12564 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12567 * tree-inline.c (declare_return_variable): If the return variable
12568 was marked as a non gimple complex, set the return slot variable
12569 to be a non gimple comple variable.
12571 2006-01-13 Richard Guenther <rguenther@suse.de>
12573 * builtins.c (expand_builtin_sincos): New function.
12574 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12576 (expand_builtin): Expand sincos using expand_builtin_sincos.
12578 2006-01-12 DJ Delorie <dj@redhat.com>
12580 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12581 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12582 so that constant shifts can be split.
12583 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12584 (m32c_valid_pointer_mode): Make static.
12585 (shift_gen_func_for): New.
12586 (m32c_prepare_shift): Use it. Split large const shifts into
12588 * config/m32c/predicates.md (shiftcount_operand): Allow more
12590 (longshiftcount_operand): New.
12591 * doc/md.texi (Machine Constraints): Document In6.
12593 2006-01-13 Ben Elliston <bje@au.ibm.com>
12595 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12596 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12599 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12601 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12602 to try to avoid clobbering pieces of structures when we know
12603 something about the whole structure.
12604 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12606 2006-01-13 Ben Elliston <bje@au.ibm.com>
12608 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12609 return in memory, as this is no limitation is no longer present.
12611 2006-01-12 DJ Delorie <dj@redhat.com>
12613 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12614 mova with fb, and for fb+0 -> An.
12616 * config/m32c/mov.md (peephole2): Fix enabling logic.
12618 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12619 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12620 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12621 FINI_ARRAY_SECTION_ASM_OP): Define.
12623 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12625 (m32c_legitimize_reload_address): New logic to reload FB to An.
12626 (m32c_output_reg_push): Add newline.
12627 (m32c_output_reg_pop): Likewise.
12629 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12631 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12633 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12635 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12637 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12639 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12642 2006-01-11 Ben Elliston <bje@au.ibm.com>
12644 * rtlanal.c (find_reg_note): Assert insn is not null.
12646 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12648 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12651 2006-01-11 Jeff Law <law@redhat.com>
12653 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12655 (mark_threaded_blocks, register_jump_thread): New functions.
12656 (thread_through_all_blocks): Remove unwanted argument. No
12657 longer rely on e->aux to communicate thread target info.
12658 Call mark_threaded_blocks. Release the threaded_blocks
12659 bitmap and threaded_edges vector when complete.
12660 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12661 (threaded_blocks): Remove.
12662 (tree_ssa_dominator_optimize): Remove initialization and
12663 finalization of threaded_blocks. Simplify call to
12664 thread_through_all_blocks.
12665 (thread_across_edge): Call register_jump_thread rather than
12666 storing thread information into e->aux.
12667 (free_all_edge_infos): Simplify now that e->aux is no longer
12668 used to communicate with thread_through_all_blocks.
12669 * tree-flow.h (thread_through_all_blocks): Update prototype.
12670 (register_jump_thread): Prototype.
12672 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12674 * df-core.c (df_compact_blocks, df_bb_replace): Use
12675 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12677 2006-01-11 Richard Guenther <rguenther@suse.de>
12679 PR tree-optimization/25734
12680 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12681 stop propagation after successful propagation to the LHS.
12683 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12685 * basic-block.h (control_flow_graph): Change the type of
12686 x_basic_block_info to VEC(basic_block,gc) *.
12687 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12689 (SET_BASIC_BLOCK): New.
12690 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12691 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12692 * cfgbuild.c (find_basic_blocks): Likewise.
12693 * cfglayout.c (fixup_reorder_chain): Likewise.
12694 * cfgrtl.c (create_basic_block_structure,
12695 rtl_create_basic_block): Likewise.
12696 * ifcvt.c (find_if_case_1): Likewise.
12697 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12700 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12702 * Makefile.in: Removed rotted odf.c entry.
12704 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12707 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12708 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12709 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12710 output pattern modifier, not %e.
12711 * config/cris/cris.c (cris_op_str): Update comment about pattern
12713 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12714 before falling through into...
12715 <case 'E'>: Redefined from old 'e' case.
12717 2006-01-11 Jan Hubicka <jh@suse.cz>
12720 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12722 2006-01-11 Jan Hubicka <jh@suse.cz>
12724 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12725 * i386.c (x86_decompose_lea): Kill.
12726 (ix86_rtx_costs): Kill.
12728 2006-01-11 Jan Hubicka <jh@suse.cz>
12730 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12731 * cgraph.h (cgraph_node): Add inline_decl.
12732 (cgraph_insert_node_to_hashtable): Declare.
12733 (save_inline_function_body): Declare.
12734 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12736 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12737 (cgraph_function_versioning): Update call of tree_function_versioning.
12738 (save_inline_function_body): New function.
12739 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12740 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12741 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12742 (cgraph_default_inline_p): Likewise.
12743 (cgraph_decide_inlining_incrementally): Likewise.
12744 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12745 (copy_bb): Kill saving; do updating of clones.
12746 (copy_cfg_body): Kill saving.
12747 (initialize_inlined-parameters): Likewise.
12748 (expand_call_inline): Likewise.
12750 (tree_function_versioning): New parameter "update_clones".
12751 (inlining_p): Kill saving.
12752 * tree-inline.h (tree_function_versioning): Update prototype.
12753 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12756 2006-01-11 Ian Lance Taylor <ian@airs.com>
12758 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12759 Allow undoing set of machine mode.
12760 (do_SUBST): Use enums instead of is_int.
12761 (do_SUBST_MODE): New function.
12762 (SUBST_MODE): New macro.
12763 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12764 reg and trying to replace reg_regno_rtx with a new register.
12765 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12766 (simplify_set): Use SUBST_MODE.
12767 (distribute_notes): Remove code that tried to update reg notes
12768 for regno_reg_rtx changes.
12770 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12772 PR tree-optimization/23109
12773 PR tree-optimization/23948
12774 PR tree-optimization/24123
12776 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12777 * tree-cfg.c (single_noncomplex_succ): New.
12778 * tree-flow.h (single_noncomplex_succ): Declare it.
12779 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12780 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12781 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12782 insert_bb, register_division_in, insert_reciprocals,
12783 replace_reciprocal, free_bb): New.
12784 (execute_cse_reciprocals_1): Rewritten.
12785 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12786 Do not commit any edge insertion. Always compute dominators and
12787 create the allocation pool.
12788 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12789 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12790 * targhooks.c (default_min_divistions_for_recip_mul): New.
12791 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12792 * passes.c (init_optimization_passes): Run recip after tree loop
12794 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12796 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12797 Kenneth Zadeck <zadeck@naturalbridge.com>
12799 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12800 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12801 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12802 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12803 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12804 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12805 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12806 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12807 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12808 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12809 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12810 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12811 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12812 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12813 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12814 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12815 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12816 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12817 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12818 DF_SCAN_POST_ALLOC): New macros.
12819 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12820 df_free_bb_function, df_local_compute_function, df_init_function,
12821 df_dataflow_function, df_confluence_function_0,
12822 df_confluence_function_n, df_transfer_function,
12823 df_finalizer_function, df_free_function, df_dump_problem_function,
12824 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12825 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12826 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12827 df_urec_bb_info, ) New types.
12828 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12830 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12831 df_analyze_simple_change_some_blocks,
12832 df_analyze_simple_change_one_block, df_compact_blocks,
12833 df_bb_replace, df_bb_regno_last_use_find,
12834 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12835 df_insn_regno_def_p, df_find_def, df_find_use,
12836 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12837 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12838 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12839 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12840 debug_df_chain, df_get_dependent_problem, df_chain_create,
12841 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12842 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12843 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12844 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12845 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12846 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12847 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12848 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12849 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12850 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12851 df_reorganize_refs, df_set_state, df_hard_reg_init,
12852 df_read_modify_subreg_p) New public functions.
12853 * df-core.c: The core dataflow solver and glue routines for rtl
12855 (df_init, df_add_problem, df_set_blocks, df_finish,
12856 df_hybrid_search_forward, df_hybrid_search_backward,
12857 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12858 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12859 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12860 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12861 df_reg_defined, df_find_use, df_reg_used, df_dump,
12862 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12863 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12864 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12865 debug_df_useno, reset_df_after_reload): New functions.
12866 * df-scan.c: The scanning fuctions, once in df.c, completely
12867 rewritten so that they now fully model the functionality of
12868 register usage at the backend.
12869 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12870 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12871 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12872 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12873 df_get_artificial_defs, df_get_artificial_uses,
12874 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12875 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12876 df_refs_delete, df_reorganize_refs, df_set_state,
12877 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12878 df_def_record_1, df_defs_record, df_uses_record,
12879 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12880 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12881 df_record_exit_block_uses, df_hard_reg_init): New functions.
12883 * df-problems.c: Seven concrete dataflow problems that use the
12884 scanning in df-scan.c and are solved by the engine in df-core.c.
12885 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12886 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12887 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12888 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12889 df_ru_free_bb_info, df_ru_alloc,
12890 df_ru_bb_local_compute_process_def,
12891 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12892 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12893 df_ru_transfer_function, df_ru_free, df_ru_dump,
12894 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12895 df_rd_free_bb_info, df_rd_alloc,
12896 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12897 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12898 df_rd_transfer_function, df_rd_free, df_rd_dump,
12899 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12900 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12901 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12902 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12903 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12904 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12905 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12906 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12907 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12908 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12909 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12910 df_urec_mark_reg_use_for_earlyclobber,
12911 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12912 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12913 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12914 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12915 df_chain_create_bb_process_use, df_chain_create_bb,
12916 df_chain_finalize, df_chain_free, df_chains_dump,
12917 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12918 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12919 df_reg_lifetime): New functions.
12920 * df.c: Deleted file.
12921 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12922 consistent with new df api.
12923 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12924 rest_of_handle_sms): Ditto.
12925 * web.c (unionfind_union, union_defs, entry_register, web_main):
12927 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12928 invariant_expr_equal_p, find_defs, check_dependencies,
12929 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12930 free_inv_motion_data, move_loop_invariants): Ditto.
12931 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12932 Update dependencies.
12933 (odf.c): Added defective entry that was deleted later in day.
12934 * sched-deps.c (sched_analyze_1): Ditto.
12936 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12938 * tree-ssa-operands.c (get_expr_operands): Record addressable
12939 variables directly. Do not call add_stmt_operands for CONST_DECLs
12941 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12942 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12944 2006-01-11 Ben Elliston <bje@au.ibm.com>
12946 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12947 function returns true in the positive case.
12949 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12952 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12953 for SI, DI, SF and DF modes. Add alternatives to copy between
12954 general and floating point registers to the 32-bit patterns.
12955 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12956 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12957 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12958 generating 64-bit code.
12959 * config/pa/pa.c (output_move_double): Handle copies between general
12960 and floating registers.
12962 2006-01-10 Stuart Hastings <stuart@apple.com>
12964 * config/i386/i386.md (set_got): Update.
12965 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12966 (builtin_setjmp_receiver): Mach-O support.
12967 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12968 (GOT_SYMBOL_NAME): Define.
12969 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12970 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12971 * config/i386/i386.c (override_options): Revise for Darwin.
12972 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12973 support. (darwin_x86_file_end): New. (output_set_got): Add label
12974 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12975 * config/i386/i386-protos.h (output_set_got): Likewise.
12976 * config/darwin.c (machopic_legitimize_pic_address): Update
12979 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12981 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12982 when MODE isn't BLKmode.
12984 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12986 PR rtl-optimization/25367
12987 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12989 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12992 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12993 for a negative bound.
12995 2006-01-10 Richard Guenther <rguenther@suse.de>
12997 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12998 Never override with anything constraint.
13000 2006-01-10 Jan Beulich <jbeulich@novell.com>
13002 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13003 256 bits when optimize_size.
13005 2006-01-10 Jan Beulich <jbeulich@novell.com>
13007 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13009 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13010 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13013 2006-01-10 Ben Elliston <bje@au.ibm.com>
13015 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13017 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13018 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13019 (USE_FP_FOR_ARG): Reject decimal float modes.
13020 (function_arg_advance): Likewise.
13021 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13022 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13023 point types in AltiVec vectors.
13024 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13025 (rs6000_libcall_value): Likewise.
13027 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13029 * config/xtensa/ieee754-df.S: New file.
13030 * config/xtensa/ieee754-sf.S: New file.
13031 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13032 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13033 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13035 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13037 * config/sh/predicates.md (binary_float_operator,
13038 binary_logical_operator, commutative_float_operator,
13039 equality_comparison_operator, greater_comparison_operator,
13040 less_comparison_operator, logical_operator,
13041 noncommutative_float_operator, shift_operator,
13042 symbol_ref_operand, unary_float_operator): Remove redundant
13045 2006-01-09 Jeff Law <law@redhat.com>
13047 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13048 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13049 now unused arguments. Callers updated.
13050 (eliminate_redundant_computations): Remove now unused arguments,
13052 (local_fold): Remove, no longer used.
13053 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13055 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13056 (simplify_cond): New function.
13057 (forward_propagate_into_cond): Call simplify_cond.
13059 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13061 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13062 (*vec_extractv2di_1_sse): New.
13064 2006-01-09 Ben Elliston <bje@au.ibm.com>
13066 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13068 2006-01-08 Richard Guenther <rguenther@suse.de>
13070 * tree-ssa-structalias.c (get_constraint_for): Remove
13071 anyoffset argument.
13072 (get_constraint_for_component_ref): Likewise.
13073 (do_deref): Likewise.
13074 (get_constraint_for): Likewise.
13075 (do_structure_copy): Likewise.
13076 (handle_ptr_arith): Likewise.
13077 (find_func_aliases): Likewise. Remove unused need_anyoffset
13080 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13081 Kaz Kojima <kkojima@gcc.gnu.org>
13083 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13084 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13085 (EXTRA_CONSTRAINT_C16): Remove.
13086 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13087 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13088 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13089 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13090 constants of SHmedia. Handle nested constant expressions of
13092 (andcosts): Fix the costs for SHmedia constants.
13093 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13094 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13095 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13096 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13097 (movv4hi_i, movv2si_i): Likewise.
13098 (movsi_const): Adjust the second operand of ior so to match with
13099 the Csu constraint.
13100 (movdi_const, movdi_const_32bit): Likewise.
13101 (movdi_const_16bit+1): Don't sign-extend LOW.
13102 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13104 (*double_shori): Fix the split condition. Use GEN_INT instead
13105 of get_int_mode calls. Mask lower 16-bit of the argument of
13107 (sym2GOTPLT): Remove.
13108 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13110 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13111 instead of EXTRA_CONSTRAINT_C16.
13113 2006-01-07 Ian Lance Taylor <ian@airs.com>
13114 David Edelsohn <edelsohn@gnu.org>
13116 PR rtl-optimization/25662
13117 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13118 for constant operands instead of simplify_gen_binary.
13119 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13120 after trying simplify_binary_operation
13122 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13124 * tree.c (iterative_hash_expr): Hash decls based on UID.
13126 2006-01-06 Eric Christopher <echristo@apple.com>
13128 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13129 (TARGET_UNWIND_EMIT): Fix spelling.
13130 * target.h (gcc_target): Add except_table_label.
13131 * except.c (output_function_exception_table): Use.
13132 * varasm.c (default_emit_except_table_label): New.
13133 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13135 (asm_out): Add here.
13136 * output.h (default_emit_except_table_label): Prototype.
13137 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13138 * config/darwin.c (darwin_emit_except_table_label): Define.
13139 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13141 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13143 PR tree-optimization/18527
13144 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13145 number_of_iterations_special, number_of_iterations_exit):
13146 Move base and step of an iv to a single structure. Add
13147 no_overflow flag, and use it in # of iterations analysis.
13148 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13149 folded_casts argument.
13150 (simple_iv): Pass base and step in a structure. Set no_overflow
13152 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13153 Evaluate expensiveness of computing # of iterations instead of
13154 the final expression.
13155 * tree-scalar-evolution.h (affine_iv): New structure.
13156 (simple_iv): Declaration changed.
13157 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13158 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13159 find_givs_in_stmt): Changed due to simple_iv change.
13161 2006-01-06 Jeff Law <law@redhat.com>
13164 * tree-cfg.c (bsi_replace): Rename final argument from
13165 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13166 change (stmt -> orig_stmt).
13167 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13168 (bsi_remove): Add new argument. Remove EH information
13170 (verify_eh_throw_table_statements): New function.
13171 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13173 * tree-optimize.c (execute_free_cfg_annotations): Verify
13174 the EH throw statement table after removing annotations.
13175 * except.h (verify_eh_throw_table_statements): Prototype.
13176 * tree-flow.h (bsi_remove): Update prototype.
13177 * tree-vrp.c (remove_range_assertions): Add new argument to
13179 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13180 * tree-complex.c (expand_complex_div_wide): Likewise.
13181 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13182 * tree-tailcall.c (eliminate_tailcall): Likewise.
13183 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13184 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13185 * tree-nrv.c (tree_nrv): Likewise.
13186 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13187 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13188 (combine_blocks): Likewise.
13189 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13190 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13191 (cleanup_control_flow): Likewise.
13192 (remove_forwarder_block): Likewise.
13193 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13194 * tree-sra.c (sra_replace): Likewise.
13195 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13196 (forward_propagate_single_use_vars): Likewise.
13197 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13198 * tree-inline.c (expand_call_inline): Likewise.
13199 * tree-vect-transform.c (vect_transform_loop): Likewise.
13200 * tree-outof-ssa.c (rewrite_trees): Likewise.
13201 * tree-cfg.c (make_goto_expr_edges): Likewise.
13202 (cleanup_dead_labels): Likewise.
13203 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13204 (bsi_move_before, bsi_move_after): Likewise.
13205 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13206 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13208 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13211 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13213 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13214 on non gimple variables. Also add checks at the top for decls and
13216 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13218 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13219 and IMAGPART_EXPR for creating MUST_DEFs.
13220 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13221 and NAME_MEMORY_TAG separately from the DECLs.
13223 2006-01-06 Richard Guenther <rguenther@suse.de>
13225 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13226 annotation, if necessary.
13227 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13228 redundant calls to update_stmt.
13229 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13232 2006-01-05 Richard Henderson <rth@redhat.com>
13234 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13236 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13238 * c-typeck.c: Update copyright date.
13240 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13242 * c-typeck.c (build_c_cast): Always warn when casting
13243 from a pointer to an integer of different size, even if
13244 the node was constant.
13246 2006-01-05 Richard Guenther <rguenther@suse.de>
13248 PR tree-optimization/22555
13249 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13250 if one structure field is an array.
13251 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13252 operands even if we found a subvar, but ignore VOPs in this
13254 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13256 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13258 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13260 PR middle-end/24998
13261 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13263 2006-01-05 Richard Guenther <rguenther@suse.de>
13264 Diego Novillo <dnovillo@redhat.com>
13266 * tree-pass.h (TODO_remove_unused_locals): Define.
13267 * gimple-low.c (expand_var_p, remove_useless_vars,
13268 pass_remove_useless_vars): Remove. Update all users.
13269 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13270 (remove_unused_locals): New function.
13271 * tree-flow.h (remove_unused_locals): Declare.
13272 * passes.c (execute_todo): Call remove_unused_locals if
13273 TODO_remove_unused_locals is set.
13274 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13275 * tree-ssa-dce.c (pass_dce): Likewise.
13276 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13278 2006-01-05 Richard Guenther <rguenther@suse.de>
13280 * tree-flow.h (struct fieldoff): Decompose field to
13281 type, size and decl.
13282 * tree-ssa-alias.c (create_sft): Take type as parameter.
13283 (create_overlap_variables_for): Store type, size and decl
13284 in the fieldoff structure.
13285 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13286 of struct fieldoff.
13287 (push_fields_onto_fieldstack): Likewise.
13288 (create_variable_info_for): Likewise. Use offset for the
13289 SFT name if the decl is not available.
13291 2006-01-04 Paul Brook <paul@codesourcery.com>
13293 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13295 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13297 * lambda-code.c (can_put_in_inner_loop): Relax
13299 (can_put_after_inner_loop): New function.
13300 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13301 (perfect_nestify): Change to make copies and modify uses.
13303 2006-01-04 Richard Henderson <rth@redhat.com>
13305 Merge from gomp branch:
13306 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13307 via integer constant.
13308 (pragma_lex): Remove.
13309 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13310 rather than parsing it.
13311 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13312 handle_pragma_extern_prefix): Add %< %> quotes.
13313 (registered_pragmas): New.
13314 (c_register_pragma_1): New.
13315 (c_register_pragma): Use it.
13316 (c_register_pragma_with_expansion): Likewise.
13317 (c_invoke_pragma_handler): New.
13318 (init_pragma): Use cpp_register_deferred_pragma directly for
13320 * c-pragma.h (enum pragma_kind): New.
13321 (pragma_handler): New.
13322 (c_invoke_pragma_handler): Declare.
13323 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13325 * c-common.h (c_common_pch_pragma): Update decl.
13326 * Makefile.in (c-parser.o): Update dependencies.
13327 (GTFILES): Add c-pragma.h.
13328 * c-parser.c (struct c_token): Add pragma_kind.
13329 (struct c_parser): Add in_pragma.
13330 (c_lex_one_token): Always initialize keyword and pragma_kind.
13331 Extract data for CPP_PRAGMA.
13332 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13333 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13334 Don't allow CPP_PRAGMA_EOL if in_pragma.
13335 (c_parser_consume_pragma): New.
13336 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13337 (c_parser_skip_to_end_of_parameter): Likewise.
13338 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13339 (c_parser_skip_to_pragma_eol): New.
13340 (c_parser_external_declaration): Handle CPP_PRAGMA.
13341 (c_parser_compound_statement_nostart): Likewise.
13342 (c_parser_statement_after_labels): Likewise.
13343 (c_parser_pragma): New.
13344 (pragma_lex): Likewise.
13345 (c_parser_pragma_pch_preprocess): New.
13346 (c_parser_new): Merge into ...
13347 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13349 2006-01-04 Jeff Law <law@redhat.com>
13352 * tree-cfg.c (bsi_replace): Remove the original statement
13353 from the EH throw statement table.
13355 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13357 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13358 make the prototype extern "C" and add throw ().
13361 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13362 and pos non-negative and pos + len <= 32.
13363 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13364 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13365 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13368 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13369 as well as sizes not multiple of component size.
13372 * function.c (instantiate_expr): New function.
13373 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13374 walk its DECL_VALUE_EXPR with instantiate_expr.
13376 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13377 DW_OP_deref{,_size} if address isn't going to be added.
13379 2006-01-04 Ben Elliston <bje@au.ibm.com>
13381 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13382 * config/fp-bit.c: Likewise.
13384 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13386 * dominance.c: Add comment about why we use DFS numbering
13389 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13390 Richard Henderson <rth@redhat.com>
13392 Merge from gomp-branch:
13393 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13394 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13396 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13398 PR rtl-optimization/25578
13399 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13400 pass a parameter to simplify_shift_const if changing ASHIFTRT
13403 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13405 * builtins.c (get_builtin_sync_mem): New function.
13406 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13407 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13408 Call get_builtin_sync_mem to generate mem rtx.
13410 2006-01-03 Richard Guenther <rguenther@suse.de>
13413 * stmt.c (add_case_node): Make sure to clear overflow flags
13416 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13418 Merge from gomp-branch.
13419 * config/sparc/sync.md: New file.
13420 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13421 UNSPECV_LDSTUB): New constants.
13422 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13423 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13424 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13427 2006-01-03 Roger Sayle <roger@eyesopen.com>
13429 * combine.c (reg_subword_p): New predicate to test whether the
13430 destination of a set refers to a subword/piece of a register.
13431 (try_combine): Generalize the code to merge the setting of a
13432 pseudo to a constant followed by a set of a subword of that
13433 register to a constant.
13435 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13437 * basic-block.h (control_flow_graph): Change the type of
13438 x_label_to_block_map to VEC(basic_block,gc) *.
13439 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13440 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13442 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13443 VEC(basic_block,heap) *.
13444 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13445 ssa_prop_fini): Adjust the uses of cfg_blocks.
13447 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13449 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13451 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13452 hashing trees instead of a pointer hash.
13453 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13454 compare for MEM_EXPR.
13456 PR rtl-optimization/25130
13457 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13458 when comparing MEMs for GCSE
13460 2006-01-03 Ben Elliston <bje@au.ibm.com>
13462 * targhooks.h (default_decimal_float_supported_p): Declare.
13463 * targhooks.c (default_decimal_float_supported_p): Define.
13464 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13465 `default_decimal_float_supported_p'.
13466 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13468 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13470 * combine.c (apply_distributive_law <SUBREG>): Check
13471 TRULY_NOOP_TRUNCATION.
13473 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13475 * dwarf2out.c (have_switched_text_section): Delete.
13476 (have_multiple_function_sections): New.
13477 (have_location_lists): Make 'bool'.
13478 (add_AT_loc_list): Use 'true' not '1'.
13479 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13480 (output_loc_list): Use have_multiple_function_sections.
13481 (output_ranges): Likewise.
13482 (dwarf2out_begin_function): Set have_multiple_function_sections if
13484 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13485 Check function_section rather than DECL_SECTION_NAME.
13486 (dwarf2out_finish): Use have_multiple_function_sections.
13487 Don't clear have_location_lists.
13489 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13490 Jan Hubicka <jh@suse.cz>
13492 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13493 case of conditional jump jumping to the next instruction.
13494 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13495 cases of conditional jump jumping to the next instruction.
13497 2006-01-02 Jan Hubicka <jh@suse.cz>
13499 * i386.c (*_cost): Add COSTS_N_INSNS.
13500 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13502 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13505 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13507 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13509 * config/arm/arm.c (all_fpus): Fix comment typo.
13510 * config/darwin.c: Likewise.
13511 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13512 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13513 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13515 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13517 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13518 (rs6000_split_compare_and_swapqhi): New.
13519 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13520 (sync_compare_and_swapqhi_internal): New.
13521 * config/rs6000/rs6000-protos.h: Declare.