1 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5 2006-07-25 Nick Clifton <nickc@redhat.com>
7 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10 (ggc_pch_count_object): Likewise.
11 (ggc_pch_alloc_object): Likewise.
12 (ggc_pch_write_object): Likewise.
13 (init_ggc): Do not attempt to initialize entries in the
14 size_lookup[] array for objects whose size is greater than than
15 the length of the array.
17 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
19 * dbxout.c (output_used_types_helper): Push queued types
21 (output_types_sort): New.
22 (output_used_types): Collect used types on a VEC and sort them
25 2006-07-24 Richard Guenther <rguenther@suse.de>
28 * cgraph.c (cgraph_remove_node): Do not check if dumps
30 * cgraphunit.c (cgraph_optimize): Likewise.
32 2006-07-24 Jan Hubicka <jh@suse.cz>
34 PR rtl-optimization/28071
35 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
36 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
37 splitting before first stmt.
39 2006-07-24 Jan Hubicka <jh@suse.cz>
41 PR rtl-optimization/28071
42 * ipa-inline.c (update_caller_keys): Remove edges that
43 are no longer inline candidates.
45 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
48 * dbxout.c (output_used_types_helper, output_used_types): New.
49 (dbxout_symbol): Call output_used_types.
51 2006-07-23 Jan Hubicka <jh@suse.cz>
55 * cgraph.c (cgraph_varpool_nodes): Export.
56 (decide_is_variable_needed): Ignored "used" attribute in
58 * cgraph.h (cgraph_varpool_nodes): Declare.
59 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
62 2006-07-23 Roger Sayle <roger@eyesopen.com>
65 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
66 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
67 the __gthrw form of thr_keycreate.
68 (__gthread_key_delete): Silence the unused argument warning.
70 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
73 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
74 Cache the last found '\0' marker to avoid quadratic behavior.
76 2006-07-23 Jan Hubicka <jh@suse.cz>
78 * i386.md (subsi_3_zext): Fix output template.
80 2006-07-21 Mike Stump <mrs@apple.com>
82 * doc/invoke.texi (C++ Dialect Options): Note that
83 -fvisibility-inlines-hidden doesn't affect explicitly
84 instantiationed inline methods.
86 2006-07-20 Roger Sayle <roger@eyesopen.com>
88 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
89 if the target assembler is GNU binutils' gas.
90 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
91 whether to pass GNU gas or native as command line options.
93 2006-07-20 Jason Merrill <jason@redhat.com>
95 * tree.c (remove_attribute): New fn.
98 2006-07-20 Paul Brook <paul@codesourcery.com>
101 * cse.c (cse_insn): Add destination addresses to hash table. Check if
102 they are invalidated by this instruction.
104 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
107 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
109 2006-07-20 Eric Christopher <echristo@apple.com>
112 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
114 2006-07-19 Eric Christopher <echristo@apple.com>
116 * config/t-slibgcc-darwin (stmp-lipo): Remove.
117 Rewrite dependencies for libgcc_s.1.dylib.
119 2006-07-19 Jakub Jelinek <jakub@redhat.com>
121 * except.c (duplicate_eh_regions_1): Clear next_peer.
123 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
125 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
126 -mlongcall does not guarantee all calls will be long.
127 * doc/extend.texi (long_call/short_call): Document that longcall
128 does not guarantee a long call will be used.
129 (longcall/shortcall): Likewise.
131 2006-07-18 Roger Sayle <roger@eyesopen.com>
134 * expmed.c (expand_shift): Additionally check that the shift_cost
135 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
136 before implementing a LSHIFT_EXPR as a sequence of additions.
137 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
138 middle-end that DImode shifts need to be synthesized by expand.
140 2006-07-18 Diego Novillo <dnovillo@redhat.com>
143 * tree-ssa-operands.c (access_can_touch_variable): Update
145 Return true if ALIAS is .GLOBAL_VAR.
147 2006-07-18 David Daney <ddaney@avtrex.com>
149 * gcc.c (display_help): Fix typo in help text.
151 2006-07-18 Olivier Hainque <hainque@adacore.com>
153 * tree.h (categorize_ctor_elements): Adjust prototype and add
154 descriptive comment, both in accordance with the interface change
156 * varasm.c (constructor_static_from_elts_p): New function.
157 Whether a constructor node is a valid static constant initializer
158 if all its elements are.
159 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
160 * output.h: Declare it.
161 * expr.c (categorize_ctor_elements_1): Return whether the constructor
162 is a valid constant initializer instead of computing the number of
163 non-constant elements. Use constructor_static_from_elts_p for this
164 purpose. Replace the head comment with an indication that this is a
165 helper for categorize_ctor_elements.
166 (categorize_ctor_elements): Same interface change as for the _1
167 helper. Former head comment from this helper moved here, adjusted to
168 account for the interface changes.
169 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
170 (all_zeros_p): Likewise.
171 * gimplify.c (gimplify_init_constructor): Decide whether we can make
172 static versions of the constructor from the categorize_ctor_elements
173 return value instead of the formerly computed number of non-constant
176 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
178 * configure: Regenerate.
179 * Makefile.in (build_libsubdir): New configure substitution
180 (build_libobjdir): New variable.
181 (BUILD_LIBIBERTY): Use it.
183 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
186 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
188 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
191 * c-common.c (handle_weakref_attribute): Ignore attribute in
192 the same conditions the alias attribute is ignored.
194 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
196 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
197 (dbxout_begin_prologue): Increment scope_labelno.
199 2006-07-17 Richard Henderson <rth@redhat.com>
202 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
205 2006-07-17 Roger Sayle <roger@eyesopen.com>
206 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
208 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
209 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
210 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
211 functions such as sbrk, write, etc.. Add function prototypes.
212 Convert function declarations from K&R to ISO C. Cast pointers
213 to "long" and "unsigned long" instead of "int" and "unsigned int".
214 Convert tokens following #endif into comments.
216 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
218 * invoke.texi: Remove mention of f77; Reformat table for
219 inline parameter options correctly; mention that -malign-double
220 is default on x86-64 targets.
222 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
224 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
225 (convert_affine_scev, chrec_convert_aggressive): Use
226 avoid_arithmetics_in_type_p. Do not check for the subtypes
229 2006-07-17 Richard Sandiford <richard@codesourcery.com>
232 * optabs.c (expand_doubleword_shift): Wrap the call to
233 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
235 2006-07-17 Richard Sandiford <richard@codesourcery.com>
238 * optabs.c (expand_binop): Pass next_methods rather than methods
239 to expand_doubleword_shift.
241 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
244 * tree.h (dump_addr): Declare.
245 * print-tree.c (dump_addr): New function.
246 (print_node_brief, print_node): Use it.
247 * print-rtl.c (print_rtx): Likewise.
248 * common.opt (-fdump-noaddr): New option.
249 * doc/invoke.texi (-fdump-noaddr): Document.
250 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
251 (ve_info_hash): Likewise.
253 2006-07-13 Andrew Haley <aph@redhat.com>
255 PR tree-optimization/19505
256 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
257 edge leaving this block, make sure that the destination of this
258 block has only one predecessor.
260 2006-07-17 Richard Guenther <rguenther@suse.de>
262 PR tree-optimization/28238
263 * tree-inline.c (copy_bb): Check if we produced valid
264 gimple copying and substituting a stmt. If not, gimplify
267 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
269 * optabs.c (maybe_encapsulate_block): New function extracted from...
270 (emit_libcall_block): ...here. Invoke it on the block of insns to
271 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
272 (emit_no_conflict_block): Likewise.
274 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
276 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
278 2006-07-15 Roger Sayle <roger@eyesopen.com>
280 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
281 a new NOP_EXPR case of the switch statement.
283 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
286 * stor-layout.c (place_field): Take the bit field with
287 an excessive size into account in the ms-bitfiled case.
290 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
291 the previous bit field.
293 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
296 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
298 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
300 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
301 signal frames correctly even when the signal was installed with
304 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
306 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
307 (dbxout_function_end): Use local label LFBB. Remove hook
309 (dbxout_source_line): Use local label LFBB.
310 (dbxout_block): Likewise.
311 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
312 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
313 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
316 2006-07-13 Janis Johnson <janis187@us.ibm.com>
318 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
320 2006-07-13 Jan Hubicka <jh@suse.cz>
322 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
324 * output.h (align_variable): Declare.
325 * varasm.c (align_variable): Export.
326 * value-prof.c (tree_value_profile_transformations): Recompute iterator
327 when basic block changed.
329 2006-07-13 Nick Clifton <nickc@redhat.com>
331 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
332 walking the LOG_LINKS chain.
334 2006-07-12 Geoffrey Keating <geoffk@apple.com>
336 * doc/invoke.texi (C++ Dialect Options): Explain difference
337 between -fvisibility-inlines-hidden and setting hidden
338 visibility explicitly.
340 2006-07-12 Eric Christopher <echristo@apple.com>
342 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
343 (stmp-lipo): Depend on libgcc.a.
345 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
347 * tree.c: Fix a comment typo.
349 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
351 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
353 (umulhisi3_r): Likewise.
355 2006-07-12 Paolo Carlini <pcarlini@suse.de>
358 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
359 x < 19, vs wchar_t support.
361 2006-07-12 Nick Clifton <nickc@redhat.com>
363 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
366 2006-07-12 Mike Stump <mrs@apple.com>
368 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
370 2006-07-10 Eric Christopher <echristo@apple.com>
372 * config/t-slibgcc-darwin: Rewrite.
374 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
377 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
380 2006-07-08 Matthias Klose <doko@debian.org>
382 * doc/sourcebuild.texi: Fix typo.
384 2006-07-07 Mike Stump <mrs@apple.com>
386 * toplev.c (process_options): Don't give -ffunction-sections may
387 affect debugging warning for Mach-O.
389 2006-07-07 James E Wilson <wilson@specifix.com>
391 * config/mips/mips.md (cpu): Add sb1a.
392 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
393 addition to sb1. Adjust comments to clarify SB-1A differences from
395 (ir_sb1a_load): New. Modify bypasses to use it.
396 (ir_sb1a_simple_alu): Likewise.
397 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
398 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
399 (mips_issue_rate): Add PROCESSOR_SB1A.
400 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
401 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
402 (TARGET_SB1): Add PROCESSOR_SB1A check.
403 (TUNE_SB1): Likewise.
405 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
406 * config/mips/mips.c (mips_store_data_bypass_p): New.
407 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
410 2006-07-08 Paul Brook <paul@codesourcery.com>
413 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
415 2006-07-07 Richard Guenther <rguenther@suse.de>
418 * tree.h (build_one_cst): Declare.
419 * tree.c (build_one_cst): New function.
420 * tree-ssa-math-opts.c (get_constant_one): Remove.
421 (insert_reciprocals): Use build_one_cst.
422 * fold-const.c (fold_plusminus_mult): Likewise.
424 2006-07-07 Roger Sayle <roger@eyesopen.com>
426 * pointer-set.c (pointer_set_destroy): Correct whitespace.
427 * cfgloopanal.c (dump_graph): Likewise.
428 * dojump.c (discard_pending_stack_adjust): Likewise.
429 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
431 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
432 * function.c (finalize_block_changes): Likewise.
433 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
434 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
435 * rtl.c (dump_rtx_statistics): Likewise.
436 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
438 * varray.c (dump_varray_statistics): Likewise.
439 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
440 decode_decimal64, encode_decimal128, decode_decimal128,
441 decimal_real_to_decimal): Likewise.
443 2006-07-07 Richard Guenther <rguenther@suse.de>
445 PR tree-optimization/28187
446 * tree-vrp.c (vrp_operand_equal_p): New function.
447 (vrp_bitmap_equal_p): Likewise.
448 (update_value_range): Use them to compare old and new
451 2006-07-06 Roger Sayle <roger@eyesopen.com>
453 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
454 a default case to switch statement to silence compiler warnings.
456 2006-07-06 Roger Sayle <roger@eyesopen.com>
459 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
460 the configured assembler supports the x87's ffreep mnemonic.
461 * configure: Regenerate.
462 * config.in: Regenerate.
464 * config/i386/i386.c (output_387_ffreep): New function.
465 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
466 (output_387_reg_move): Likewise.
468 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
470 Port to hosts whose 'sort' and 'tail' implementations
471 treat operands with leading '+' as file names, as POSIX
472 has required since 2001. However, make sure the code still
473 works on pre-POSIX hosts.
474 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
475 which says you should use "tail -c +N" rather than "tail +Nc".
476 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
478 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
480 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
483 2006-07-06 David Edelsohn <edelsohn@gnu.org>
486 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
487 PRE_{INC,DEC} of TFmode.
489 2006-07-06 David Edelsohn <edelsohn@gnu.org>
490 Alan Modra <amodra@bigpond.net.au>
493 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
496 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
499 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
500 Remove duplicate gtu.
502 2006-07-05 Jason Merrill <jason@redhat.com>
506 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
507 * c-common.c (handle_packed_attribute): So don't copy it here.
508 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
510 2006-07-05 Mike Stump <mrs@apple.com>
512 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
514 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
517 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
519 2006-07-05 Richard Guenther <rguenther@suse.de>
522 * config/i386/i386.md (*negdf2_1): Restrict pattern to
523 TARGET_SSE2 targets if using SSE math.
524 (*absdf2_1): Likewise.
526 2006-07-05 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/28162
529 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
530 make sure to convert the operands to the correct type.
532 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
534 PR tree-optimization/28218
536 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
537 to calculate and free the dominator information.
539 2006-07-04 Peter O'Gorman <peter@pogma.com>
541 * mklibgcc.in: chmod 644 before ranlib during install.
543 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
544 J"orn Rennecke <joern.rennecke@st.com>
546 * configure.ac (.eh_frame data check): Use diff -b.
548 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
551 * Makefile.in (BUILD_RTL): Add build/vec.o.
552 (build/gencondmd.o): Filter out -fkeep-inline-functions.
553 (build/genextract): Delete.
554 (build/genautomata): Likewise.
556 2006-07-04 Alan Modra <amodra@bigpond.net.au>
559 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
560 128-bit IBM long doubles for ABI_V4.
562 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
564 * tree.c (range_in_array_bounds_p): New predicate.
565 * tree.h (range_in_array_bounds_p): Declare it.
566 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
567 return a less conservative answer.
568 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
570 (IS_ELEMENT_FOR_GROUP): New macro.
571 (FOR_EACH_ACTUAL_CHILD): Likewise.
572 (next_child_for_group): New helper function.
573 (can_completely_scalarize_p): Take into account groups.
574 (sra_hash_tree): Handle RANGE_EXPR.
575 (sra_elt_eq): Likewise.
576 (lookup_element): Be prepared for handling groups.
577 (is_valid_const_index): Delete.
578 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
579 instead of is_valid_const_index.
580 <ARRAY_RANGE_REF>: New case.
581 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
582 is_valid_const_index.
583 <ARRAY_RANGE_REF>: Do not unconditionally punt.
584 (scan_dump): Dump info for groups too.
585 (decide_instantiation_1): Likewise.
586 (decide_block_copy): Assert that the element is not a group.
587 Propagate decision to groups.
588 (generate_one_element_ref): Handle RANGE_EXPR.
589 (mark_no_warning): Iterate over actual childs.
590 (generate_copy_inout): Likewise.
591 (generate_element_copy): Likewise.
592 (generate_element_zero): Likewise.
593 (generate_element_init_1): Likewise.
594 (dump_sra_elt_name): Handle RANGE_EXPR.
596 2006-07-03 Roger Sayle <roger@eyesopen.com>
598 PR tree-optimization/26251
599 * tree-ssa-threadupdate.c (redirection_block_p): New function.
600 (thread_block): When optimizing for size refuse to thread jumps
601 that would require duplication of blocks other than redirection
604 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
606 * configure.ac: Fix thinko in previous check-in.
607 * configure: Regenerate.
609 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
612 * configure.ac (for lang...): Simplify nesting of conditionals.
613 Test subdir_requires for non-enabled languages. Move processing
614 of lang_opt_files and lang_tree_fiels below that test.
615 * configure: Regenerate.
616 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
618 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
620 * doc/gcov.texi (Invoking Gcov): Add a missing word.
622 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
624 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
627 2006-06-29 Jason Merrill <jason@redhat.com>
634 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
635 * c-common.c (c_determine_visibility): Handle it here.
636 * c-decl.c (finish_decl): Call c_determine_visibility for
638 * flags.h (enum symbol_visibility): Sort from most to least visibility.
640 * varasm.c (default_assemble_visibility): Likewise.
641 * c-common.c (handle_visibility_attribute): Complain about trying
642 to give visibility to an already defined class, or trying to change
643 declared visibility. Always attach the attribute.
648 * attribs.c (decl_attributes): Ignore type-in-place attributes
649 once the type has been defined.
651 2006-06-29 Roger Sayle <roger@eyesopen.com>
654 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
655 to indicate the cpplib has issued an error message for us.
657 2006-06-29 Asher Langton <langton2@llnl.gov>
660 * config/i386/i386.c (ix86_output_function_epilogue): Don't
661 insert a label at the end of an function under Mach-O.
663 2006-06-29 Eric Christopher <echristo@apple.com>
664 Evan Cheng <evan.cheng@apple.com>
666 * predicates.md (vector_all_ones_operand): New.
667 (nonimmediate_or_sse_const_operand): Ditto.
668 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
669 * config/i386/i386.c (standard_sse_constant_opcode): Define.
670 (standard_sse_mode_p): Ditto.
671 (standard_sse_constant_p): Add case for -1 vector.
672 (ix86_expand_vector_move): Try to use.
673 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
674 Call standard_sse_constant_opcode.
675 (*movv4sf_internal): Ditto.
676 (*movv2df_internal): Ditto.
678 2006-06-29 Roger Sayle <roger@eyesopen.com>
680 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
681 of XEXP to extract the operands of a MATCH_CODE rtx.
683 2006-06-28 Andrew Pinski <pinskia@gmail.com>
685 * tree.c (tree_size): Do not waste tail padding in
686 struct tree_string and make the size be the same as
687 build_string will generate.
689 2006-06-28 Jason Merrill <jason@redhat.com>
692 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
693 may_aliases already in the tag's annotations to the bitmap.
695 2006-06-28 Roger Sayle <roger@eyesopen.com>
697 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
699 2006-06-28 Roger Sayle <roger@eyesopen.com>
701 * genpreds.c (generate_switch_p): New function.
702 (add_mode_tests): Push the new mode test down inside an AND expr
703 if this allows the switch-suitable MATCH_CODE to be near the root.
704 (write_match_code_switch): New function to write a MATCH_CODE as
706 (write_predicate_stmts): New function to write a predicate RTX
707 expression as a sequence of statements.
708 (write_one_predicate_function): Use write_predicate_stmts.
709 (write_tm_constrs_h): Likewise.
711 2006-06-26 Fred Fish <fnf@specifix.com>
713 * config/mips/t-sb1: New file.
714 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
717 2006-06-26 DJ Delorie <dj@redhat.com>
719 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
721 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
722 Jayant Sonar <jayants@kpitcummins.com>
723 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
725 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
726 (subsi3, subsi3_1, subsi3_2): New.
727 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
728 * config/m32c/mov.md (SI mov peephole): New.
729 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
730 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
732 2006-06-26 Olivier Hainque <hainque@adacore.com>
734 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
735 a CALL_EXPR target function declaration.
737 2006-06-26 Richard Guenther <rguenther@suse.de>
739 * tree.c (build_string): Do not waste tail padding in
742 2006-06-26 Richard Guenther <rguenther@suse.de>
744 * ggc-page.c (init_ggc): Add missing element to size_lookup
748 2006-06-23 Richard Guenther <rguenther@suse.de>
750 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
751 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
752 alignment requests instead. Add verification code.
753 Add struct tree_function_decl and struct tree_binfo size to
754 extra_order_size_table. Add missing element to size_lookup
757 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
760 * fold-const.c (const_binop): Be prepared for self returning zero.
761 Simplify code handling complex values.
763 2006-06-24 Olivier Hainque <hainque@adacore.com>
765 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
766 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
769 2006-06-24 Olivier Hainque <hainque@adacore.com>
771 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
772 ARRAY_REF, so have the callback called for the low bound expression.
774 2006-06-23 Janis Johnson <janis187@us.ibm.com>
776 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
777 * c-typeck.c (c_common_type): Disallow operations on decimal float
778 types and other float types.
779 * convert.c (convert_to_real): Don't ignore conversions involving
782 2006-06-23 Olivier Hainque <hainque@adacore.com>
784 * tree.c (max_int_size_in_bytes): New function, inspired from
785 code in function.c:assign_temp.
786 * tree.h (max_int_size_in_bytes): Declare.
787 * function.c (assign_temp): Use it.
788 * gimplify.c (create_tmp_var): Relax the assertions on the type
789 properties, not mandating constant size any more.
790 (force_constant_size): New static function.
791 (gimple_add_tmp_var): Use it, forcing variable size to a
792 constant upper bound if it is not constant on entry.
794 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
797 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
798 for initialization and setting of one_only flag to ...
799 (i386_pe_encode_section_info): ...here.
800 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
801 Recheck that the symbol has not been defined.
803 2006-06-23 Richard Guenther <rguenther@suse.de>
805 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
806 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
807 alignment requests instead. Add verification code.
808 Add struct tree_function_decl and struct tree_binfo size to
809 extra_order_size_table. Add missing element to size_lookup
812 2006-06-22 Roger Sayle <roger@eyesopen.com>
813 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
816 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
817 call to lang_hooks.types.type_for_mode returned NULL_TREE.
819 2006-06-23 Ben Elliston <bje@au.ibm.com>
821 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
822 negate dn -- manipulate it directly.
824 2006-06-22 Roger Sayle <roger@eyesopen.com>
825 Steven Bosscher <stevenb.gcc@gmail.com>
828 * reload1.c (gen_reload): Call mark_jump_label on the new insns
829 generated by gen_move_insn to add REG_LABEL notes if necessary.
831 2006-06-22 Bob Wilson <bob.wilson@acm.org>
833 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
834 (leaf_entry): Remove use of MIN_ESA.
836 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
838 PR rtl-optimization/28121
839 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
842 2006-06-21 DJ Delorie <dj@redhat.com>
844 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
846 (mulhisi3_r): Likewise.
848 2006-06-21 Richard Sandiford <richard@codesourcery.com>
851 * coverage.c (coverage_counter_alloc): Leave the index type
853 (coverage_counter_alloc): Use null arguments for operands 2 and 3
856 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
858 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
859 section from the "Options for Code Generation Conventions".
861 2006-06-21 Richard Henderson <rth@redhat.com>
865 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
867 (global_symbolic_operand): Allow weak symbols, even if local_p.
869 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
871 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
872 (find_interesting_uses_address): Punt if above function returns true.
874 2006-06-21 Richard Guenther <rguenther@suse.de>
876 * configure: Regenerated.
878 2006-06-21 Joseph Myers <joseph@codesourcery.com>
880 * config/mips/mips.c (function_arg): Where one part of a
881 complex argument is in registers and the other part in the stack,
882 return a REG not a PARALLEL.
884 2006-06-21 Mark Mitchell <mark@codesourcery.com>
886 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
887 when cross-compiling. Do not substitute libstdcxx_incdir.
888 * configure: Regenerated.
890 2006-06-21 Jakub Jelinek <jakub@redhat.com>
892 * varasm.c (mergeable_string_section): Check for embedded NULs and
893 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
894 rather than TREE_STRING_LENGTH bytes.
896 2006-06-21 Richard Guenther <rguenther@suse.de>
898 * ggc-page.c (extra_order_size_table): Add var_ann_d,
899 tree_ssa_name, bitmap_element and phi_node with 4 arguments
902 2006-06-21 Richrad Guenther <rguenther@suse.de>
904 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
905 Limit iteration over the dominators.
907 2006-06-20 Roger Sayle <roger@eyesopen.com>
909 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
910 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
912 2006-06-20 Richard Guenther <rguenther@suse.de>
913 Michael Matz <matz@suse.de>
915 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
917 * alloc-pool.c (free_alloc_pool_if_empty): New function.
918 * et-forest.h (et_free_pools): Prototype new function.
919 * et-forest.c (et_free_tree_force): Free parent occurrence.
920 (et_free_pools): New function.
921 * dominance.c (free_dominance_info): Free et-forest alloc
924 2006-06-20 Roger Sayle <roger@eyesopen.com>
926 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
927 integer modes, attempt to directly construct an integer constant.
929 * fold-const.c (native_encode_vector): Determine the size of each
930 element from the vector type instead of the first vector element.
932 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
933 if all of its elements/components are constant.
934 (build_constructor_from_list): Likewise.
936 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
938 PR tree-optimization/27331
939 * tree-data-ref.c (free_data_ref): New function.
940 (create_data_ref): Fail if the data reference has unknown access
942 (free_data_refs): Use free_data_ref.
944 2006-06-19 Andrew Pinski <pinskia@gmail.com>
947 * tree-inline.c (setup_one_parameter): Strip useless
948 type conversion before adding it to the IR.
949 (declare_return_variable): Likewise.
951 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
954 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
956 2006-06-19 Mike Stump <mrs@apple.com>
958 * tree.c (variably_modified_type_p): VM arguments don't make the
961 2006-06-19 Richard Guenther <rguenther@suse.de>
963 * tree-ssa-pre.c (try_combine_conversion): Strip useless
964 type conversions after folding.
966 2006-06-19 Richard Guenther <rguenther@suse.de>
968 * ggc-page.c (extra_order_size_tab): Add entries with
969 size of struct function and basic_block.
970 (size_lookup): Extend to cover sizes up to 511.
971 (ggc_alloc_stat): Adjust user.
972 (ggc_pch_count_object): Likewise.
973 (ggc_pch_alloc_object): Likewise.
974 (ggc_pch_write_object): Likewise.
976 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
978 * tree-ssa-loop-niter.c (implies_ge_p): New function.
979 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
982 2006-06-19 Denis Chertykov <denisc@overta.ru>
984 * config/avr/libgcc.S : Correct my wrong previous commit.
986 2006-06-19 Roger Sayle <roger@eyesopen.com>
989 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
990 have stripped a SUBREG from the shift count, so we may need to
991 convert_to_mode back to the type's mode before calling make_tree.
992 Use new_amount instead of amount to avoid expanding a tree twice.
994 2006-06-19 Richard Guenther <rguenther@suse.de>
997 * fold-const.c (operand_equal_p): Check if the argument types
998 have the same precision before stripping NOPs.
1000 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1002 Fix PR tree-optimization/27341
1003 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1005 * tree-complex.c (pass_lower_complex): Update SMT usage.
1007 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1009 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1010 Add a new alternative to the constraint strings. Add move of
1011 operand 1 to 3 to the splitter definition.
1012 ("doloop_si_long"): Second contraint alternative removed.
1014 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1016 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1017 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1019 (AVR_HAVE_MOVW) Define.
1020 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1021 (ASM_SPEC): Add avr25.
1022 (LINK_SPEC): Add avr25.
1023 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1024 (base_arch_s): Add new member 'have_movw_lpmx'.
1025 (avr_arch_types): Init 'have_movw_lpmx'.
1026 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1027 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1028 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1029 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1030 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1032 (avr_file_start): Do not output '.arh' derective.
1033 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1034 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1035 * config/avr/avr.md (mcu_enhanced): Delete.
1036 (mcu_have_movw): Define.
1037 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1038 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1039 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1040 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1041 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1042 attiny861 and at86rf401 devices.
1044 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1046 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1049 2006-06-17 Karl Berry <karl@gnu.org>
1051 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1052 doc/gccint.texi, doc/install.texi (@dircategory): Use
1053 "Software development" instead of "Programming", following
1054 the Free Software Directory.
1056 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1058 * config/i386/i386.c (legitimate_tls_address)
1059 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1060 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1061 (*tls_dynamic_gnu2_combine_64): Likewise.
1063 2006-06-16 Richard Guenther <rguenther@suse.de>
1066 * fold-const.c (negate_expr_p): Do not introduce undefined
1067 overflow in negating INTEGER_CSTs.
1068 (fold_negate_expr): Rename from negate_expr. Revert last
1069 change for folding BIT_NOT_EXPR. Change semantics to
1070 return NULL_TREE for non-simplified negations. Do not
1071 strip type conversions and unify type handling.
1072 (negate_expr): New function, wrap around fold_negate_expr
1073 but ensure building a tree always. Strip type conversions
1074 here, fold to result type.
1075 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1077 2006-06-16 Roger Sayle <roger@eyesopen.com>
1080 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1081 that (would) return their results in stack registers.
1083 2006-06-16 Michael Matz <matz@suse.de>
1084 Richard Guenther <rguenther@suse.de>
1086 * fold-const.c (fold_truthop): Only return new tree node if
1087 we canonicalized something.
1089 2006-06-16 Richard Guenther <rguenther@suse.de>
1091 * function.h (enum function_frequency): Move declaration
1092 out of struct function.
1093 (struct function): Move bool fields and the enum to the bitfield
1094 section. Reorder elements to avoid padding. Remove unused
1095 fields left over from the RTL inliner removal.
1096 * function.c (free_after_compilation): Do not zero removed fields.
1097 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1098 (ipa-type-escape.o): Likewise.
1100 2006-06-16 Richard Guenther <rguenther@suse.de>
1102 * cgraph.h (struct cgraph_local_info): Turn bool elements
1104 (struct cgraph_node): Likewise.
1105 (struct cgraph_varpool_node): Likewise.
1107 2006-06-15 Richard Guenther <rguenther@suse.de>
1109 * fold-const.c (fold_truth_not_expr): Rename from
1110 invert_truthvalue. Give it fold_* semantics to avoid
1112 (invert_truthvalue): New function. Wrapper around
1113 fold_truth_not_expr.
1114 (optimize_minmax_comparison): Avoid creating garbage.
1115 (fold_unary): Use fold_truth_not_expr for folding
1117 (fold_ternary): Replace uses of invert_truthvalue with
1118 fold_truth_not_expr where applicable.
1119 * tree.h (fold_truth_not_expr): Prototype.
1121 2006-06-16 Richard Guenther <rguenther@suse.de>
1123 PR tree-optimization/27781
1124 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1125 * ipa-pure-const.c (target.h): Include.
1126 (analyze_function): Do not analyze functions that do not
1129 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1132 * tree-dfa.c (referenced_vars_dup_list): Remove.
1133 (find_referenced_vars): Remove assert.
1134 (referenced_var_check_and_insert): Replace dup list with assert.
1135 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1136 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1138 2006-06-15 Richard Guenther <rguenther@suse.de>
1140 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1141 extra unused identifiers if not dumping.
1142 (create_variable_info_for): Likewise.
1144 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1146 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1147 (derive_constant_upper_bound): Derive more precise upper bound in
1148 common cases. Return type changed to double_int.
1149 (record_estimate): Reflect the changed return type of
1150 derive_constant_upper_bound.
1151 * double-int.c (double_int_zext, double_int_sext): Fix.
1153 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1155 * configure.ac (CFLAGS): Get them from the toplevel or from the
1156 configure invocation.
1157 * configure: Regenerate.
1158 * Makefile.in (CFLAGS): Substitute value provided by configure.
1160 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1163 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1164 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1165 rather than calling add_stmt on it.
1166 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1168 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1171 * reload1.c (reload): Remove registers returned by update_eliminables
1172 from used_spill_regs.
1174 2006-06-13 DJ Delorie <dj@redhat.com>
1176 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1178 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1180 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1181 html__strip_dir, html__mkdir_p. Enhance install-html target.
1182 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1183 * configure: Regenerate.
1185 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1187 * fold-const.c (fold_cond_expr_with_comparison): Check for
1188 Objective-C++ as language in deciding COND_EXPR transformation.
1190 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1193 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1194 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1195 * config/sh/lib1funcs.h (SL, SL1): Define.
1196 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1197 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1198 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1199 (OBJS_Os_4_200): New variable.
1200 ($(T)libgcc-Os-4-200.a): Use it.
1201 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1202 when dividing 1 and/or by 0.
1204 2006-06-13 Roger Sayle <roger@eyesopen.com>
1206 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1207 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1208 * configure: Regenerate.
1210 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1212 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1213 for real instruction.
1215 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1218 * haifa-sched.c (check_cfg): Handle special case.
1220 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1223 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1224 Add debug_info parameter. Chain the vars to the BLOCK instead
1225 of the BIND_EXPR if debug info are requested for them.
1226 (pop_gimplify_context): Adjust for above change.
1227 (gimple_add_tmp_var): Likewise.
1228 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1230 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1231 (convert_local_reference): Likewise.
1232 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1233 (finalize_nesting_tree_1): Request that debug info be emitted
1234 for debug_var_chain.
1236 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1238 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1239 for PR target/27863.
1241 2006-06-13 Richard Guenther <rguenther@suse.de>
1244 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1246 2006-06-13 Richard Guenther <rguenther@suse.de>
1248 PR tree-optimization/27830
1249 * tree-inline.c (copy_body_r): For copying the operand
1250 of an ADDR_EXPR make sure to fold &* afterwards.
1252 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1254 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1255 lvalues in the fb_none case with side-effects.
1257 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1259 * tree-flow.h: Remove the prototype for
1260 compute_phi_arg_on_exit.
1261 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1262 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1265 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1267 * builtins.c (expand_builtin_return_addr): Only use
1268 frame_pointer_rtx when count == 0 and we are expanding
1269 __builtin_return_address.
1271 2006-06-12 Fred Fish <fnf@specifix.com>
1273 * config/mips/mips.c (mips_file_start): Create special section
1274 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1276 2006-06-11 Eric Christopher <echristo@apple.com>
1279 * stor-layout.c (place_field): Remove check for
1280 remaining_in_alignment when aligning at the end of a run.
1282 2006-06-11 Eric Christopher <echristo@apple.com>
1285 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1288 2006-06-11 Roger Sayle <roger@eyesopen.com>
1291 Revert incorrect fix for PR target/27158
1292 2006-05-08 Roger Sayle <roger@eyesopen.com>
1293 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1294 of a reg_equiv_constant if the result is a legitimate constant.
1296 2006-06-11 Roger Sayle <roger@eyesopen.com>
1299 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1300 extract a CONST_VECTOR element and interpret it as an integer.
1301 (vspltis_constant): Use const_vector_elt_as_int instead of the
1302 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1303 * config/rs6000/predicates.md (easy_vector_const): Consider
1304 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1306 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1309 * stor-layout.c (update_alignment_for_field): Don't add extra
1310 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1313 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1315 * config/mips/t-rtems: Add EL/EB multilib variants.
1317 2006-06-09 Mike Stump <mrs@apple.com>
1319 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1321 2006-06-09 David Daney <ddaney@avtrex.com>
1323 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1325 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1327 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1329 2006-06-09 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/26998
1332 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1333 of signed types, only TYPE_MIN_VALUE is special, but for both,
1334 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1335 in this case, as is -fwrapv.
1337 2006-06-08 Mike Stump <mrs@apple.com>
1340 * config/darwin.c (darwin_asm_output_anchor): Disable
1341 -fsection-anchors on darwin for now.
1342 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1343 * rs6000/rs6000.c (optimization_options): Likewise.
1345 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1348 * config/i386/i386.c (classify_argument): Skip fields with invalid
1351 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1353 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1354 (cse_insn): Likewise for the stack_pointer_rtx.
1356 2006-06-08 Roger Sayle <roger@eyesopen.com>
1358 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1359 conditions from floating point comparisons.
1361 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1364 * expmed.c (struct alg_hash_entry): Fix type of field T
1365 to match synth_mult argument.
1366 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1368 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1371 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1374 2006-06-08 Richard Guenther <rguenther@suse.de>
1377 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1378 only, if overflow is defined and not trapping.
1379 (negate_expr): Likewise.
1381 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1383 PR tree-optimization/27872
1384 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1385 flag on the new exit edge of the unrolled loop.
1387 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1389 PR rtl-optimization/26449
1390 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1392 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1395 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1396 referenced_variables with matching DECL_UID's.
1397 (find_referenced_vars): Make sure duplicate list is empty to start.
1398 (referenced_var_p): Remove.
1399 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1400 Check if var is in the list, and add if needed. Update the duplicate
1401 list if a different var is in the list with the same DECL_UID.
1402 (add_referenced_var): Call routine to check and insert.
1403 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1404 * tree-flow.h (referenced_vars_dup_list): External declaration.
1406 2006-06-07 Fred Fish <fnf@specifix.com>
1408 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1411 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1414 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1415 the imaginary and real parts of a clobbered register.
1416 Emit insn to set the imaginary part.
1418 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1420 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1421 in lieu of unwind-dw2-fde.c.
1423 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1425 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1427 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1430 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1431 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1432 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1433 V4SImode temporaries and operations instead.
1435 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1437 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1440 2006-06-06 Mike Stump <mrs@apple.com>
1442 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1443 installing during build.
1445 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1447 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1449 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1450 * config/ia64/ia64.c (params.h): New header.
1451 (ia64_optimization_options): New function to adjust parameters.
1452 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1453 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1454 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1456 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1458 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1460 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1463 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1465 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1466 Victor Kaplansky <victork@il.ibm.com>
1468 PR tree-optimization/26360
1469 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1472 2006-06-04 Roger Sayle <roger@eyesopen.com>
1473 Andrew Pinski <pinskia@physics.uc.edu>
1476 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1477 for LABEL_DECL before calling DECL_WEAK.
1480 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1481 LABEL_DECL and PARM_DECL.
1483 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1487 * c-decl.c (grokdeclarator): Disallow variably modified types at
1488 file scope. Avoid marking shared array type of constant size as
1491 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1494 * c-common.c (fold_offsetof_1): Handle static members.
1496 2006-06-04 Eric Christopher <echristo@apple.com>
1498 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1499 (debug_rli): Output value for remaining_in_alignment.
1500 (update_alignment_for_field): Unconditionalize
1501 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1502 extra alignment code.
1503 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1504 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1505 * tree.h (record_layout_info_s): Remove prev_packed.
1506 * doc/extend.texi (ms_struct): Add documentation of format.
1508 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1510 * tree.h: Declare folding_initializer.
1511 * builtins.c (fold_builtin_constant_p): Give definite answer
1512 if folding inside an initializer.
1513 * fold-const.c: Define folding_initializer.
1514 (START_FOLD_INIT): Save and then set folding_initializer.
1515 (END_FOLD_INIT): Restore folding_initializer.
1517 2006-06-04 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/27039
1520 * fold-const.c (fold_comparison): Handle pointer comparison
1521 again for all comparison codes. Compare offsets in signed
1523 (fold_binary): Move code from here.
1525 2006-06-03 Roger Sayle <roger@eyesopen.com>
1528 * config/i386/i386.c (construct_container): Split static issued_error
1529 flag into issued_sse_arg_error, issued_sse_ret_error and
1530 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1531 requires the use of x87 registers and the user explicitly
1532 specified the -mno-80387 command line option.
1534 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1536 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1537 HAVE_DECL_SIGALTSTACK.
1539 (segv_handler): Use MC_FLD.
1540 * configure.ac: Check for a sigaltstack declaration.
1541 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1542 * configure: Regenerate.
1543 * config.in: Regenerate.
1545 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1548 * Makefile.in (stmp-fixinc): Fix typo.
1550 2006-06-02 Roger Sayle <roger@eyesopen.com>
1552 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1553 are type correct. Clean-up.
1554 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1555 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1557 2006-06-01 DJ Delorie <dj@redhat.com>
1559 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1560 shift, as we've disabled the "switch" insn that needs it.
1562 2006-06-01 Per Bothner <bothner@bothner.com>
1564 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1565 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1566 * c-ppoutput.c (cb_define): Don't increment line 0.
1568 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1570 * doc/invoke.texi: Add cpu_type power6.
1571 * config.gcc: Add cpu_type power6.
1572 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1573 to power5+ with Altivec.
1574 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1575 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1577 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1579 * config/avr/avr.h (SET_ASM_OP): Define.
1581 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1583 * config/bfin/bfin.c: Fix comment typos.
1585 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1588 * doc/install.texi: Document --enable-bootstrap and
1589 --disable-bootstrap.
1591 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1593 * doc/install.texi: Document that InfoZIP can replace jar.
1595 2006-05-31 Roger Sayle <roger@eyesopen.com>
1597 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1598 isn't available, directly generate the simpler x87 patterns without
1599 the (use (const_int 0)).
1600 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1601 implementation isn't available.
1602 (*negdf2_1): Likewise.
1603 (*negxf2_1): XF mode negation is always done using the x87.
1604 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1606 2006-05-31 Roger Sayle <roger@eyesopen.com>
1608 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1609 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1611 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1613 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1615 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1616 * config/bfin/bfin.c (basic-block.h): Include.
1617 (struct machine_function): New.
1618 (bfin_init_machine_status): New.
1619 (override_options): Initialize init_machine_status.
1620 (bfin_hardware_loop): New.
1621 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1622 (DEF_VEC_P (loop_info)): New.
1623 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1624 (struct loop_info): New.
1625 (loop_info): New typedef.
1626 (struct loop_work): New.
1627 (loop_work): New typedef.
1628 (DEF_VEC_O (loop_work)): New.
1629 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1630 (bfin_dump_loops): New.
1631 (bfin_bb_in_loop): New.
1632 (bfin_scan_loop): New.
1633 (bfin_optimize_loop): New.
1634 (bfin_reorg_loops): New.
1635 (bfin_reorg): Use bfin_reorg_loops.
1636 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1638 (I_REGNO_P): Simplify.
1639 (DP_REGNO_P, DPREG_P): New macros.
1640 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1641 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1642 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1643 Add LT_REGS, LC_REGS, LB_REGS.
1644 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1646 (REGNO_REG_CLASS): Deal with loop registers.
1647 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1649 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1650 New constants for loop registers.
1651 (UNSPEC_LSETUP_END): New.
1652 (seq_insns): New define_attr. Set it for appropriate insns.
1653 (movsi_insn): Add alternatives for move from/to
1654 loop count registers.
1655 (doloop_end): New define_expand.
1656 (loop_end): New define_insn.
1657 (define_split for bad doloop_end): New.
1658 (lsetup_with_autoinit): New define_insn.
1659 (lsetup_without_autoinit): New define_insn.
1660 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1661 * config/bfin/predicates.md (lc_register_operand): New.
1662 (lt_register_operand): New.
1663 (lb_register_operand): New.
1664 (nondp_register_operand): New.
1665 (nondp_reg_or_memory_operand): New.
1666 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1668 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1670 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1671 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1673 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1675 * Makefile.in (CATALOGS): Add po/ prefix.
1676 * configure: Regenerated.
1678 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1681 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1682 a shift operand before calling shift_op. Avoid redundant call of
1685 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1686 DJ Delorie <dj@redhat.com>
1688 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1689 we're inserting is a singlt-bit constant.
1691 2006-05-30 Roger Sayle <roger@eyesopen.com>
1693 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1694 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1696 2006-05-30 Roger Sayle <roger@eyesopen.com>
1698 PR tree-optimization/23452
1699 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1700 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1701 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1702 complex values and with -ffast-math for FP complex values.
1704 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1706 * c-common.h: Remove the prototype for yyparse.
1707 * rtl.h: Remove the prototype for init_loop.
1709 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1711 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1714 2006-05-30 Roger Sayle <roger@eyesopen.com>
1716 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1718 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1719 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1721 2006-05-30 Dirk Mueller <dmueller@suse.de>
1724 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1725 for CONSTANT_CLASS_P expresisons.
1727 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1730 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1732 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1734 PR tree-optimization/27779
1735 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1736 initial_condition instead of CHREC_LEFT.
1738 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1740 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1741 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1742 Make prototypes ISO C90.
1744 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1745 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1747 * see.c (see_analyze_one_def): Correct check.
1748 (see_get_extension_data): Check if extension is parallel.
1749 (see_get_extension_reg): Likewise.
1751 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1754 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1755 into register for (code == GTU).
1757 2006-05-29 Roger Sayle <roger@eyesopen.com>
1759 PR tree-optimization/24964
1760 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1761 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1762 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1763 abs(x)*abs(x) as x*x for scalar floating point modes.
1765 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1768 * lambda-code.c (perfect_nestify): Don't copy statements
1769 in the inner loop: move them to the inner loop header.
1771 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1774 * c-tree.texi: Document OpenMP directives and clauses.
1776 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1778 * varasm.c (globalize_decl): Fix indentation.
1780 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1783 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1784 pass_fre, pass_store_ccp, pass_copy_prop,
1785 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1786 pass_return_slot, pass_object_size, pass_lim,
1787 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1788 pass_loop_prefetch and pass_stdarg.
1790 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1792 * config/bfin/bfin.opt (mfdpic): New option.
1793 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1794 (EXTRA_MULTILIB_PARTS): Likewise.
1795 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1796 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1798 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1799 (CRT_CALL_STATIC_FUNCTION): New.
1800 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1802 (CRT_CALL_STATIC_FUNCTION): New.
1803 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1805 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1806 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1807 (initialize_trampoline): Changed to handle FD-PIC code generation.
1808 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1809 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1810 (override_options): Disallow -mid-shared-library -mfdpic combination.
1811 Can't do unaligned ops if FD-PIC.
1812 Turn off flag_pic if trying to generate non-id-shared-library
1813 non-fdpic code, since it's not supported.
1814 (bfin_assemble_integer): New function.
1815 (TARGET_ASM_INTEGER): Define.
1816 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1818 * config/bfin/crtn.s: Restore them.
1819 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1821 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1822 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1823 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1824 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1825 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1827 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1828 FDPIC_REGS and FDPIC_FPTR_REGS.
1829 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1830 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1831 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1832 (load_funcdescsi): New pattern.
1833 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1834 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1835 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1837 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1839 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1842 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1844 * tree-flow.h: Remove the prototype for add_type_alias.
1845 * tree-ssa-alias.c (add_type_alias): Remove.
1847 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1849 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1850 config/fr30/fr30.md, config/i386/i386-interix.h,
1851 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1852 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1853 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1854 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1855 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1856 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1857 Follow spelling conventions.
1858 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1859 Follow spelling conventions.
1861 2006-05-27 Richard Guenther <rguenther@suse.de>
1864 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1865 to produce a constant of value 1 of generic type.
1867 2006-05-27 Dirk Mueller <dmueller@suse.de>
1869 * cgraphunit.c (decide_is_function_needed): Fix wrong
1872 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1874 PR rtl-optimization/27661
1875 * reload.c (find_reloads): When reloading a VOIDmode constant
1876 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1877 use Pmode as mode of the reload register.
1879 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1881 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1882 is enabled at -O and above.
1884 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1887 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1890 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1893 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1894 for anonymous variables explicitly declared by front ends.
1896 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1898 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1899 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1900 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1901 ref-all pointers, run a finalization pass for them.
1902 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1903 (finalize_ref_all_pointers): New function.
1904 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1905 regular pointer type to a ref-all pointer type.
1906 (get_tmt_for): Return the special memory tag for ref-all pointers.
1908 2006-05-25 Richard Guenther <rguenther@suse.de>
1911 * fold-const.c (fold_binary): Do not look at the stripped
1912 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1914 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1916 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1917 for LT and GT if the computed range is effectively empty.
1919 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1922 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1923 mips_quad_format formats instead of ieee_single_format,
1924 ieee_double_format and ieee_quad_format formats, respectively.
1926 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1928 PR tree-optimization/27639
1929 PR tree-optimization/26719
1930 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1931 call to scev_probably_wraps_p.
1932 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1933 used_in_pointer_arithmetic_p, convert_step): Removed.
1934 (nowrap_type_p): New function.
1935 (scev_probably_wraps_p): Rewritten.
1936 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1937 chrec_convert if chrec_convert_aggressive might have been used.
1938 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1939 scev_direction): New functions.
1940 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1941 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1942 instead of convert_step.
1943 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1944 (convert_step): Declaration removed.
1945 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1947 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1949 * df-core.c: Added to header comments.
1950 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1951 df_ur_bb_info, df_urec_bb_info): Added comments.
1952 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1953 urec, ri problems): Fixed header comments.
1954 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1955 code from df_rd_transfer_function.
1957 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1959 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1960 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1961 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1963 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1965 * expr.c (undefined_operand_subword_p): New.
1966 (emit_move_multi_word): Do not generate move from undefined bits
1967 of a paradoxical subreg.
1969 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1971 PR rtl-optimization/27736
1972 * combine.c (replaced_rhs_value): New variable.
1973 (combine_instructions): Set it.
1974 (distribute_notes): When distributing a note in replaced_rhs_insn,
1975 check whether the value was used in replaced_rhs_value.
1977 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1980 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1981 add_referenced_var instead of add_referenced_tmp_var.
1982 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1983 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1985 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1986 tree_optimize_tail_calls_1): Use add_referenced_var.
1987 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1988 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1989 Use add_referenced_var.
1990 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1991 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1992 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1993 Use add_referenced_var.
1994 * tree-dfa.c (struct walk_state): Remove.
1995 (find_referenced_vars): Remove walk state and vars_found hash table.
1996 (make_rename_temp): Use add_referenced_var.
1997 (find_vars_r): Pass less parameters to add_referenced_var.
1998 (referenced_var_p): New. Is var in referenced_var hash table.
1999 (referenced_var_insert): Assert var isn't already in hash table.
2000 (add_referenced_var): Don't need walk_state parameter. Add var if it
2001 isn't already in the hash table.
2002 (add_referenced_tmp_var): Remove.
2003 (find_new_referenced_vars_1): Use add_referenced_var.
2004 * tree-ssa-pre.c (create_expression_by_pieces,
2005 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2006 Use add_referenced_var.
2007 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2008 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2009 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2011 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2012 vect_create_data_ref_ptr, vect_create_destination_var,
2013 vect_init_vector, vect_build_loop_niters,
2014 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2015 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2016 Use add_referenced_var.
2017 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2018 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2019 (add_referenced_var): Add prototype.
2020 * tree-ssa-structalias.c (get_constraint_for,
2021 intra_create_variable_infos): Use add_referenced_var.
2023 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2025 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2026 big-endian paradoxical subregs.
2027 * var-tracking.c (struct micro_operation_def): Document that,
2028 for modify micro operations, insn is the subsequent instruction.
2029 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2030 (var_reg_set, var_mem_set): ... new functions.
2031 (add_stores): Record subsequent insn.
2032 (compute_bb_dataflow): Use new functions for MO_USE.
2033 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2034 notes after the insn, and modify notes before the insn known
2035 to be the subsequent one.
2036 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2038 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2041 * config/i386/i386.c (ix86_expand_builtin): Use
2042 gen_sse3_monitor64 for TARGET_64BIT.
2044 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2046 PR rtl-optimization/26375
2047 PR rtl-optimization/26855
2048 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2050 (df_ru_bb_local_compute): Reversed statements and removed bogus
2051 comment explaining why they should be in wrong order.
2052 (df_ru_dump, df_rd_dump): Enhanced debug info.
2053 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2055 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2056 reaching uses and fixed space problem.
2058 2006-05-23 Jan Hubicka <jh@suse.cz>
2060 * cgraphunit.c (decide_is_function_needed): Also nested functions
2061 and functions declared inline can be optimized out at -O0.
2063 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2065 * doc/install.texi (Configuration): Remove reference to CrossGCC
2069 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2072 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2073 ix86_compare_emitted is non-NULL.
2075 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2078 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2081 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2083 PR rtl-optimization/25514
2084 * combine.c (replaced_rhs_insn): New variable.
2085 (combine_instructions): Set replaced_rhs_insn when trying to replace
2086 a SET_SRC with a REG_EQUAL note.
2087 (distribute_notes): Use replaced_rhs_insn when determining the live
2088 range of a REG_DEAD register.
2090 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2091 Anatoly Sokolov <aesok@post.ru>
2093 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2094 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2095 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2096 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2097 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2098 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2099 at90usb647, at90usb1286 and at90usb1287 devices.
2100 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2101 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2103 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2105 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2107 2006-05-22 Richard Guenther <rguenther@suse.de>
2110 2006-01-31 Richard Guenther <rguenther@suse.de>
2111 Paolo Bonzini <bonzini@gnu.org>
2113 * doc/install.texi (--disable-libgcc-math): Document.
2115 2006-05-22 Richard Guenther <rguenther@suse.de>
2118 2006-01-31 Richard Guenther <rguenther@suse.de>
2120 * doc/invoke.texi (-msselibm): Document.
2121 * target.h (expand_library_builtin): New target hook.
2122 * builtins.c (expand_builtin): Use expand_library_builtin.
2123 (default_expand_library_builtin): New function.
2124 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2125 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2126 (link_gcc_math_spec): Declare.
2127 (static_specs): Add link_gcc_math_spec.
2128 * expr.h (default_expand_library_builtin): Declare.
2129 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2130 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2131 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2132 * config/i386/i386.opt (msselibm): New target option.
2133 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2134 (ix86_init_sse_abi_builtins): New function.
2135 (ix86_expand_library_builtin): Likewise.
2136 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2137 (override_options): Handle error conditions wrt -msselibm.
2138 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2139 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2140 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2143 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2146 * c-common.c (self_promoting_args_p): Skip erroneous args.
2149 * c-decl.c (finish_struct): Skip erroneous fields.
2151 2006-05-22 Nick Clifton <nickc@redhat.com>
2153 * config/cris/cris.opt (march): Remove VarExists attribute.
2154 (max-stackframe=): Likewise.
2156 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2158 * doc/rtl.texi: Fix a typo.
2159 * see.c: Fix comment typos.
2161 * tree-ssa-structalias.h (alias_info): Remove num_references.
2163 2006-05-21 Mike Stump <mrs@apple.com>
2165 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2167 (darwin_pragma_options): Use BAD instead.
2168 (darwin_pragma_unused): Likewise.
2169 (darwin_pragma_ms_struct): Likewise.
2171 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2173 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2175 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2177 PR rtl-optimization/27671
2178 * simplify-rtx.c (simplify_relational_operation_1): Fix
2179 simplifications of (eq/ne (xor x y) y) and
2180 (eq/ne (xor x y) x).
2182 PR tree-optimization/26622.
2183 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2186 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2188 * tree-cfg.c: Prune whitespace.
2189 (debug_tree_cfg): Point to correct header containing the
2192 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2195 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2197 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2200 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2201 or sorry count is non zero.
2203 2006-05-20 Andreas Schwab <schwab@suse.de>
2205 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2207 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2208 Kenneth Zadeck <zadeck@naturalbridge.com>
2210 PR rtl-optimization/26855
2212 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2214 (df_scan_alloc): Added code to properly handle multiword hard
2215 registers and add all_blocks parameter.
2216 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2217 code to properly handle multiword hard registers.
2218 (df_rescan_blocks): Added code to remove deleted blocks from
2220 (df_ref_create_structure, df_ref_record): Added code to properly
2222 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2223 and set DF_REF_PARTIAL.
2224 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2225 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2226 (df_scan_add_problem): Added flags parameter.
2227 (df_ref_create_structure): Changed switching structure.
2228 (df_bb_refs_record): Fixed case where duplicate artificial refs
2229 were created. Changed location of flags.
2230 (df_record_entry_block_defs): Added code to make stack pointer
2231 live in entry block. Refined cases where frame pointer is needed.
2232 Changed location of flags.
2233 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2234 (df_set_state): Removed function.
2235 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2236 df_insn_create_insn_record, df_insn_refs_delete,
2237 df_ref_create_structure): Formatting changes.
2238 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2239 df_delete_basic_block): New function.
2240 (df_init): Changed location of flags.
2241 (df_add_problem): Added flags parameter and the way flags are
2243 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2244 debug_df_chain): Improved debugging output.
2245 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2246 (df_refs_chain_dump): Removed df parameter.
2247 (df_iterative_dataflow): Added consistency check.
2248 (df_prune_to_subcfg): Made public.
2249 (df_analyze_problem): Added blocks_to_init parameter and made
2251 (df_ref_record, df_bb_refs_record, df_mark_reg,
2252 df_record_exit_block_uses): Whitespace changes.
2253 (df_dump): Whitespace changes.
2254 * df.h: Some reordering to remove forward references.
2255 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2256 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2257 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2258 (dataflow.flags): New field.
2259 (df.flag): Deleted field.
2260 (df_alloc_function): Added additional bitmap parameter.
2261 (df_dependent_problem_function): New type.
2262 (df_problem.changeable_flags): New field.
2263 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2264 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2265 (df_mw_hardreg): New struct.
2266 (DF_INSN_UID_MWS): New macro.
2267 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2269 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2270 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2271 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2272 (df_set_state): Removed function.
2273 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2274 * df-problems.c (df_chain_dump): Removed df parameter.
2275 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2276 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2278 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2279 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2280 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2281 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2282 DF_REF_MUST_CLOBBER cases.
2283 (df_ru_bb_local_compute_process_def,
2284 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2285 df_lr_bb_local_compute, df_ur_bb_local_compute,
2286 df_chain_create_bb): Made subreg aware.
2287 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2288 df_lr_bb_local_compute, df_lr_bb_local_compute,
2289 df_chain_create_bb): Cleanup to use proper macros.
2290 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2291 code to fixup bitvectors.
2292 (df_ri_alloc): Cleared lifetime.
2293 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2294 df_create_unused_note): New function.
2295 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2296 REG_DEAD and REG_UNUSED notes as well as register information.
2297 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2298 df_chains_dump): Fixed crash if problem was never run.
2299 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2300 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2301 df_ri_add_problem): Processes flags in uniform manner.
2302 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2303 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2304 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2305 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2306 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2307 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2308 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2309 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2310 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2311 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2312 * see.c (see_initialize_data): Ditto.
2313 * final.c (rest_of_clean_state) Added regstack_completed.
2314 * rtl.h (regstack_completed): Ditto.
2315 * reg-stack.c (regstack_completed): Ditto.
2317 2006-05-19 Mike Stump <mrs@apple.com>
2319 * c-tree.h (default_conversion): Remove.
2320 * c-common.h (default_conversion): Add.
2322 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2324 * tree-vrp.c (valid_value_p): New function.
2325 (adjust_range_with_scev): Fail if the value of bound is not
2328 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2330 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2331 (mips_fallback_frame_state): Use syscall numbers to determine
2332 the appropriate li instruction for the current ABI. Only use
2333 __NR_sigreturn for o32.
2335 2006-05-19 Nicolas Setton <setton@adacore.com>
2337 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2338 * langhooks.c (lhd_dwarf_name): New function.
2339 * langhooks-def.h (lhd_dwarf_name): Declare.
2340 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2341 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2342 * ada/misc.c (gnat_dwarf_name): New function.
2343 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2345 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2347 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2349 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2350 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2351 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2352 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2353 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2354 determine the size of Wtype, etc.
2355 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2356 (swfloatfuncs): New variable.
2357 (dwfloatfuncs): Likewise.
2358 (lib2funcs): Remove floating-point conversion functions from
2359 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2360 the set of conversion routines needed. Allow entries to specify
2361 an object name, filename and word size. Update users accordingly.
2362 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2363 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2367 2006-02-08 Roger Sayle <roger@eyesopen.com>
2370 * config/fixtfdi.c: New libgcc source file.
2371 * config/fixunstfdi.c: New source file.
2372 * config/floatditf.c: New source file.
2373 * config/floatunditf.c: New souce file.
2374 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2375 files above instead of config/mips/_tilib.c.
2376 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2378 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2380 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2381 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2383 2006-05-18 Mike Stump <mrs@apple.com>
2385 Fix up vla, vm and [*] sematics.
2391 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2392 (c_vla_unspec_p): Add.
2393 (c_vla_type_p): Add.
2394 * c-decl.c (struct c_scope): Add had_vla_unspec.
2395 (build_array_declarator): Add support for [*].
2396 (grokdeclarator): Likewise.
2397 (grokparms): Likewise.
2398 (get_parm_info): Likewise.
2399 * c-objc-common.c (c_vla_unspec_p): Likewise.
2400 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2401 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2402 typeof when argument is a variably modified type not inside sizeof or alignof.
2403 (c_parser_direct_declarator_inner): Propagate errors.
2404 (c_parser_sizeof_expression): Add support for [*].
2405 (c_parser_parms_declarator): Initialize had_vla_unspec.
2406 (c_parser_parms_list_declarator): Likewise.
2407 * c-typeck.c (c_vla_type_p): Add.
2408 (composite_type): Add support for vla compositing.
2409 (comptypes_internal): Add support for vla compatibility.
2410 (c_expr_sizeof_expr): Evaluate vla arguments.
2411 * tree.c (variably_modified_type_p): Update comment for [*].
2413 2006-05-18 Michael Matz <matz@suse.de>
2416 * config.host: Make assignments to host_xmake_file cumulative.
2417 * config.host (*-darwin*): Test $host, not $target.
2419 2006-05-12 Stuart Hastings <stuart@apple.com>
2421 * config/i386/i386.opt (-mstackrealign): New flag.
2422 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2423 (ix86_handle_cconv_attribute): Emit error when
2424 force_align_arg_pointer attribute collides with too many regparms.
2425 (ix86_function_regparm): Limit regparms when used with
2426 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2427 Support stack-realigning prologue in non-main functions. Emit
2428 warning for nested functions under -mstackrealign, emit error for
2429 nested functions with force_align_arg_pointer attribute.
2430 * doc/extend.texi (force_align_arg_pointer): Document it.
2431 * doc/invoke.texi (-mstackrealign): Document it.
2433 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2435 PR rtl-optimization/27477
2436 * combine.c (try_combine): Don't split a parallel consisting
2437 of two sets into two individual sets if both sets reference
2440 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2442 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2443 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2445 * doc/options.texi (VarExists): Updated.
2447 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2449 * unwind-dw2.c: Add declarations for uw_update_context and
2451 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2452 detected, advance frame state and context once to skip over stub.
2454 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2458 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2459 Call rewrite_into_loop_closed_ssa only when something changed.
2460 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2461 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2462 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2463 Test for perfect_nest_p here. Fix formating.
2464 (replace_uses_equiv_to_x_with_y): Fix formating.
2465 (stmt_uses_op): Removed.
2466 (can_convert_to_perfect_nest): Removed loopivs parameter.
2467 Complete the test by checking the scalar dependences.
2468 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2471 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2474 From Dan Kegel <dank@kegel.com>:
2475 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2477 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2479 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2480 if the element type is variably modified without recursing.
2482 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2485 * tree-loop-linear.c (try_interchange_loops): Test for
2486 no data dependences.
2488 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2490 PR tree-optimization/27548
2491 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2492 range of ssa names that appear on abnormal edges.
2493 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2494 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2496 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2499 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2501 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2504 * tree.h (OMP_PARALLEL_COMBINED): Define.
2505 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2506 (new_omp_context): Add is_combined_parallel argument.
2507 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2508 new_omp_context caller.
2509 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2510 Adjust gimplify_scan_omp_clauses callers.
2511 (omp_is_private): Issue errors if iteration variable is firstprivate
2512 or reduction in the current context.
2513 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2514 on combined parallel workshare constructs.
2516 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2518 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2519 (gcc-options.o): New rule.
2521 * optc-gen.awk: Protect variables for gcc-options.o with
2522 #ifdef GCC_DRIVER/#endif.
2524 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2526 Fix PR tree-optimization/27373
2527 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2528 (forward_propagate_addr_expr): Update call.
2530 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2532 * doc/options.texi: Move the Negative option.
2534 2006-05-16 Richard Guenther <rguenther@suse.de>
2536 PR tree-optimization/22303
2537 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2539 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2540 ccp_fold did not simplify the statement.
2542 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2545 * Makefile.in (GCC_OBJS): New.
2546 (OBJS-common): Add opts-common.o.
2547 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2548 (cpp$(exeext)): Likewise.
2549 (gcc.o): Also depend on opts.h.
2550 (opts-common.o): New.
2552 * common.opt (gcoff): Add Negative(gdwarf-2).
2553 (gdwarf-2): Add Negative(gstabs).
2554 (gstabs): Add Negative(gstabs+).
2555 (gstabs+): Add Negative(gvms).
2556 (gvms): Add Negative(gxcoff).
2557 (gxcoff): Add Negative(gxcoff+).
2558 (gxcoff+): Add Negative(gcoff).
2559 * config/i386/i386.opt (m32): Add Negative(m64).
2560 (m64): Add Negative(m32).
2562 * doc/options.texi: Document the Negative option.
2564 * gcc.c: Include "opts.h".
2565 (main): Call prune_options after expandargv.
2567 * optc-gen.awk: Generate common declarations for all flag
2568 variables in options.c. Output the neg_index field.
2570 * opts.c (find_opt): Moved to ...
2571 * opts-common.c: Here. New file.
2573 * opts.h (cl_option): Add a neg_index field.
2575 (prune_options): Likewise.
2577 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2580 * omp-low.c (expand_omp_parallel): Don't assert
2581 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2582 instead search for it.
2585 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2588 2006-05-16 Andreas Schwab <schwab@suse.de>
2590 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2593 2006-05-15 Roger Sayle <roger@eyesopen.com>
2596 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2597 integer constants other than zero are only legitimate on TARGET_64BIT.
2598 <CONST_VECTOR> Only zero vectors are legitimate.
2599 (ix86_cannot_force_const_mem): Integral and vector constants can
2600 always be put in the constant pool.
2602 2006-05-16 DJ Delorie <dj@redhat.com>
2604 * crtstuff.c (__dso_handle): Set section from
2605 TARGET_LBIGCC_SDATA_SECTION if defined.
2606 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2607 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2609 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2612 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2615 2006-05-16 Ben Elliston <bje@au.ibm.com>
2617 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2619 2006-05-15 Per Bothner <per@bothner.com>
2621 * tree.c: (last_annotated_node): Use source_locus typedef.
2622 This permits bootstrapping with --enable-mapped-location.
2624 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2626 PR tree-optimization/26830
2627 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2628 (info_for_ssa_name, current_info_for_ssa_name_age,
2629 blocks_to_update): New variables.
2630 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2631 (clear_ssa_name_info, initialize_flags_in_bb,
2632 mark_block_for_update): New functions.
2633 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2634 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2635 prepare_def_site_for): Use mark_block_for_update.
2636 (mark_def_interesting): Assert that the processed block is marked in
2637 blocks_to_update. Do not take blocks argument.
2638 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2640 (rewrite_update_init_block, rewrite_update_stmt): Only process
2641 blocks with statements to rewrite.
2642 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2643 (update_ssa): Initialize and free blocks_to_update. Do not
2644 clear flags on statements. Do not use blocks bitmap.
2645 * tree.h (SSA_NAME_AUX): Removed.
2646 (struct tree_ssa_name): Removed aux field.
2647 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2649 2006-05-15 Richard Guenther <rguenther@suse.de>
2651 PR tree-optimization/27603
2652 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2653 Do computations in original type.
2655 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2657 * see.c: Code style changes such as redundant paranthesis,
2658 redundant intialization of local variables etc.
2659 (see_main): Declared now as static.
2660 * doc/invoke.texi: Update that -fsee is not enabled by
2663 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2665 * omp-low.c (check_omp_nesting_restrictions): New function.
2666 (scan_omp_1): Call it.
2669 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2670 construct, return *VAR.
2672 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2674 PR rtl-optimization/27406
2675 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2678 2006-05-14 Roger Sayle <roger@eyesopen.com>
2680 PR rtl-optimization/27538
2681 * combine.c (expand_compound_operation): Call gen_lowpart
2682 before calling simplify_shift_const.
2684 2006-05-14 Roger Sayle <roger@eyesopen.com>
2686 PR rtl-optimization/22563
2687 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2688 a fixed width bitfield, always force the intermediates into psuedos.
2690 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2693 * mkconfig.sh: Use operator = instead of == for test.
2695 2006-05-13 Nick Clifton <nickc@redhat.com>
2697 * dwarf2out.c (dbx_reg_number): Check return value from
2698 LEAF_REG_REMAP and only use it if it is valid.
2699 (multiple_reg_loc_descriptor): Likewise.
2701 2006-05-13 Richard Guenther <rguenther@suse.de>
2703 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2706 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2708 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2709 information attached to non-INSNs such as NOTEs.
2710 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2712 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2714 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2716 * config/s390/s390.md: Adjust comment describing On constraint.
2718 2006-05-11 Jan Hubicka <jh@suse.cz>
2720 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2721 to be output at -O0.
2723 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2726 * fold-const.c (size_binop): Move sanity check for arguments to
2727 the beginning of the function.
2730 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2733 2006-05-11 Richard Guenther <rguenther@suse.de>
2736 * fold-const.c (fold_unary): Handle intermediate conversion
2737 to a pointer type like intermediate conversion to an integer
2738 type in folding of (T1)(T2)var to var.
2739 Match the code to the comment in the final conversion for
2740 (T1)(T2)var to (T1)var regarding to type precision. Rather
2741 than disallow T1 being of pointer type, assert that both T1
2742 and var are of pointer type or not. Make sure not to fall
2743 over the frontends lazyness wrt array to pointer decay though.
2745 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2747 * arm.c (arm_struct_value_rtx): Delete.
2748 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2749 (arm_init_cumulative_args): Always initialize nregs to zero.
2751 2006-05-10 Richard Guenther <rguenther@suse.de>
2753 PR tree-optimization/27532
2754 * tree-object-size.c (plus_expr_object_size): Fix typo.
2756 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2759 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2760 ashrdi_const, ashrdi3): Use a scratch register.
2762 2006-05-10 Richard Guenther <rguenther@suse.de>
2764 PR tree-optimization/27302
2765 * fold-const.c (operand_equal_p): For two comparisons,
2766 try comparison of one comparison code swapped if that yields
2769 2006-05-10 Ben Elliston <bje@au.ibm.com>
2771 * tree-pretty-print.c (pretty_print_string): No need to handle
2772 '\0' as a special character.
2774 * tree.h: Include "hashtab.h".
2775 (iterative_hash_expr): Use hashval_t in its prototype.
2776 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2778 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2781 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2782 (hppa*64*-*-hpux11*): Ditto.
2783 (hppa[12]*-*-hpux11*): Ditto.
2785 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2788 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2790 2006-05-09 Michael Matz <matz@suse.de>
2792 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2793 host_extra_gcc_objs and host_xmake_file.
2794 (<*-*-linux*>): Don't overwrite host_xmake_file.
2795 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2796 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2797 (host_detect_local_cpu): Declare.
2798 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2799 * config/i386/i386.c (override_options): Handle -mtune=native
2801 * config/i386/x-i386: New file.
2802 * config/i386/driver-i386.c: New file.
2803 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2806 2006-05-09 Dirk Mueller <dmueller@suse.de>
2807 Richard Guenther <rguenther@suse.de>
2810 * fold-const.c (fold_read_from_constant_string): Relax check
2811 for matching types to matching modes.
2813 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2815 PR rtl-optimization/27335
2816 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2819 2006-05-08 Chao-ying Fu <fu@mips.com>
2820 Richard Sandiford <richard@codesourcery.com>
2822 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2823 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2824 * config/mips/mips.md (UNSPEC_SCC): New constant.
2825 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2826 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2827 (mips_emit_compare): Use it.
2828 (mips_expand_vcondv2sf): New function.
2830 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2832 Fix PR tree-optimization/27093
2833 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2834 renaming when they become not-used_alone.
2836 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2838 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2839 relocation and relocation stubs.
2841 2006-05-08 Eric Christopher <echristo@apple.com>
2843 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2846 2006-05-08 Jan Hubicka <jh@suse.cz>
2849 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2850 unused static functions are needed.
2852 2006-05-08 Roger Sayle <roger@eyesopen.com>
2855 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2856 of a reg_equiv_constant if the result is a legitimate constant.
2858 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2861 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2862 standard 80387 constants, raise the cost to prevent
2863 compress_float_constant() to generate load from memory.
2865 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2867 * config/arm/constraints.md (c): Fix a typo.
2869 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2872 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2875 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2877 (_mm_mwait): Likewise.
2879 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2881 (sse3_monitor): Make it 32bit only.
2882 (sse3_monitor64): New. 64bit monitor.
2884 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2887 * config/i386/i386.c (classify_argument): Skip fields with invalid
2890 2006-05-07 Richard Guenther <rguenther@suse.de>
2892 PR tree-optimization/27409
2893 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2894 Do not try to find zero-sized subvars.
2896 2006-05-07 Richard Guenther <rguenther@suse.de>
2898 PR tree-optimization/27136
2899 * tree-ssa-loop-niter.c (get_val_for): Correct function
2900 comment, assert requirements.
2901 (loop_niter_by_eval): Stop processing if the iterated
2902 value did not simplify.
2904 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2906 * opts.c (flag_see): remove its setting at -O3.
2908 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2910 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2911 * arm/constraints.md: New file.
2912 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2913 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2914 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2915 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2916 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2917 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2918 * arm.md: Include constraints.md.
2919 (thumb_movsi_insn): Use satisfies_constraint_J.
2920 (movhi, movqi): Use satisfies_constraint_I.
2922 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2924 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2925 for atmeg a645 device.
2927 2006-05-06 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/27151
2930 * tree-vect-transform.c (vectorizable_condition): Punt on
2931 values that have a different type than the condition.
2933 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2936 * c-parser.c (c_parser_cast_expression): Only insert casts into
2937 hash table if pointer.
2938 * function.c (used_types_insert_helper): Rename from
2940 (used_types_insert): Call used_types_insert_helper.
2941 * function.h (used_types_insert): Accept only one argument.
2943 2006-05-05 David Edelsohn <edesohn@gnu.org>
2945 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2946 scratch with output modifier.
2948 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2951 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2952 with output modifier.
2954 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2957 * config/mips/mips.c (mips_symbolic_address_p): Return true
2958 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2959 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2961 2006-05-04 Richard Guenther <rguenther@suse.de>
2963 PR tree-optimization/14287
2964 PR tree-optimization/14844
2965 PR tree-optimization/19792
2966 PR tree-optimization/21608
2967 PR tree-optimization/27090
2968 * tree-ssa-pre.c (try_combine_conversion): New function.
2969 (compute_avail): After constructing the value-handle
2970 expression, use try_combine_conversion to combine NOP_EXPRs
2971 with previous value-handle expressions and use the result if it
2974 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2976 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2978 2006-05-04 Jan Hubicka <jh@suse.cz>
2981 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2983 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2985 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2986 that this only matches CONST_INTs. All users changed to VOIDmode
2989 * config/bfin/bfin.c: Include "optabs.h".
2990 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2992 (enum bfin_builtins): Add a number of fractional and vector builtins.
2993 (bfin_init_builtins): Likewise.
2994 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2995 (safe_vector_operand, bfin_expand_binop_builtin,
2996 bfin_expand_unop_builtin): New functions.
2997 (bfin_expand_builtin): Handle the new builtins.
2998 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3001 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3004 * Makefile.in (OBJS-common): Add see.o.
3005 (see.o): Add dependencies.
3006 * common.opt (fsee): New flag for the see optimization was added.
3007 * opts.c (flag_see): Initialized.
3008 * passes.c (init_optimization_passes, pass_see): New pass.
3009 * rtl.h (see_main): Declaration as extern.
3010 * timevar.def (TV_SEE): New.
3011 * tree-pass.h (pass_see): Declaration as extern.
3012 * invoke.texi (-fsee): Document.
3013 * recog.c (validate_simplify_insn): New function.
3014 * recog.h (validate_simplify_insn): Declaration as extern.
3015 * df-problems.c (df_chain_dump): Check for NULL.
3017 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3018 Daniel Berlin <dberlin@dberlin.org>
3020 * cfgrtl.c (insert_insn_bb_end_new): New function.
3021 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3023 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3025 * df.h (struct web_entry): Moved from web.c.
3026 (union_defs): Declaration as extern.
3027 (unionfind_root): Likewise.
3028 (unionfind_union): Likewise.
3029 * web.c (struct web_entry): Moved to df.h.
3030 (unionfind_root): Remove static declaration.
3031 (unionfind_union): Likewise.
3032 (union_defs): Likewise and generalize to use callback function.
3033 (web_main): Update arguments for union_defs function call.
3035 2006-05-04 Richard Guenther <rguenther@suse.de>
3037 PR tree-optimization/26447
3038 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3039 produce SSA_NAME copies before the store stmt to avoid
3040 breaking exception handling.
3042 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3045 * gimplify.c (omp_is_private): If var is shared in some outer context,
3046 return false instead of true. Stop searching on parallel context
3049 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3052 * coverage.c: Use get_gcov_unsigned_t() instead of
3053 unsigned_type_node all over.
3055 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3057 PR tree-optimization/27381
3058 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3059 maintain the same immediate_use links.
3060 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3061 node rather than segfaulting.
3063 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3066 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3067 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3068 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3070 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3072 Fix PR tree-optimization/26626
3073 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3075 * tree-ssa-operands.c (access_can_touch_variable): Allow
3076 typecasting through union pointers.
3078 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3081 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3082 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3083 to find if var will be a global variable even in the nested context.
3084 (omp_copy_decl): Only check for global variable at the end, it might
3085 be overridden in outer contexts.
3086 (scan_sharing_clauses): For global variables don't create a field.
3087 (lower_rec_input_clauses): Do nothing for global shared variables.
3088 Emit a barrier at the end of ILIST if there were any decls in both
3089 firstprivate and lastprivate clauses.
3090 (lower_send_clauses): Do nothing for global variables except for
3093 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3095 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3096 of the correct signedness is returned.
3098 2006-05-02 Jeff Law <law@redhat.com>
3100 PR tree-optimization/27364
3101 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3102 multiply expressions.
3104 2006-05-02 Tom Tromey <tromey@redhat.com>
3106 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3108 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3111 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3112 -mthumb -fPIC are used.
3114 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3115 Joshua Kinard <kumba@gentoo.org>
3118 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3119 with 64-bit pointers.
3121 2006-05-02 Paul Brook <paul@codesourcery.com>
3123 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3125 (create_fix_barrier): Check that a suitable barrier location is
3127 (arm_reorg): Include ftmp->address in allowable range of addresses.
3129 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3132 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3135 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3138 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3139 around RESULT_DECL for result passed by reference.
3140 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3141 * omp-low.c (use_pointer_for_field): Don't look at
3142 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3143 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3144 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3145 time or var for passing by reference for
3146 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3147 TREE_ADDRESSABLE variables when passing by reference.
3149 * omp-low.c (dump_omp_region): Fix output formatting.
3152 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3153 (expand_omp_parallel): Likewise.
3154 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3157 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3158 on statement list containing also constructors and destructors.
3159 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3162 * except.c (duplicate_eh_regions): Fix clearing of
3163 cfun->eh->region_array entries.
3165 2006-05-01 DJ Delorie <dj@redhat.com>
3167 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3169 (gcc_cv_objdump): Likewise.
3170 * configure: Regenerated.
3172 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3175 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3176 templates for case 3 and 4.
3178 2006-05-01 DJ Delorie <dj@redhat.com>
3180 * vec.c: Include bconfig.h when appropriate.
3181 * Makefile.in (build/vec.o): Adjust dependencies.
3182 * mkconfig.sh: Make sure config.h isn't used for build machine
3185 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3187 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3189 (mark_phi_for_rewrite): New function.
3190 (insert_phi_nodes_for, mark_use_interesting): Call
3191 mark_phi_for_rewrite.
3192 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3193 (update_ssa): Initialize and free phis_to_rewrite.
3195 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3197 PR rtl-optimization/27291
3198 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3199 folded to a constant.
3201 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3203 PR tree-optimization/27283
3204 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3205 not whole # of iteration descriptions.
3206 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3207 uses abnormal ssa name.
3208 (niter_for_single_dom_exit): Ditto.
3209 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3210 return just the number of iterations.
3212 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3214 PR tree-optimization/27144
3215 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3216 (record_estimate): Only record constant upper bound.
3217 (infer_loop_bounds_from_undefined): Call
3218 compute_estimated_nb_iterations just once.
3219 (proved_non_wrapping_p): Renamed to ...
3220 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3221 (convert_step_widening, scev_probably_wraps_p): Call
3222 n_of_executions_at_most instead of proved_non_wrapping_p.
3223 (substitute_in_loop_info): Do not replace values in bounds.
3224 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3227 2006-05-01 Richard Henderson <rth@redhat.com>
3230 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3231 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3234 2006-05-01 Roger Sayle <roger@eyesopen.com>
3236 * c-typeck.c (parser_build_binary_op): Don't call the function
3237 unsigned_conversion_warning to spot operand/result type overflow.
3238 (build_binary_op): Instead, call convert_and_check instead of
3239 convert to report the problem when the operands are promoted.
3240 * c-common.c (unsigned_conversion_warning): Make static.
3241 * c-common.h (unsigned_conversion_warning): Delete prototype.
3243 2006-05-01 Richard Guenther <rguenther@suse.de>
3245 PR tree-optimization/26726
3246 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3248 (find_interesting_uses_address): ... we work around here
3249 by folding INDIRECT_REFs in the substituted base.
3251 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3253 * omp-low.c (dump_omp_region): Add newlines.
3255 2006-04-30 Roger Sayle <roger@eyesopen.com>
3257 * common.opt (Woverflow): New command line option.
3258 * c-common.c (constant_expression_warning): Check warn_overflow.
3259 (overflow_waring): Pass OPT_Woverflow to warning.
3260 (unsigned_conversion_warning): Likewise.
3261 (convert_and_check): Likewise.
3262 * doc/invoke.texi: Document new command line option.
3264 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3266 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3267 TARGET_NO_FP_IN_TOC for section anchors.
3268 (optimization_options): Enable section anchors for all
3269 non-"Objective" languages.
3271 2006-04-28 Eric Christopher <echristo@apple.com>
3273 * config/darwin-c.c (darwin_ms_struct): Move this
3274 (darwin_set_default_type_attributes): and this...
3275 * config/darwin.c: ... here.
3276 * config/darwin.h (darwin_ms_struct): Declare.
3278 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3280 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3282 2006-04-28 Roger Sayle <roger@eyesopen.com>
3285 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3286 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3287 an unsigned HOST_WIDE_INT.
3288 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3290 (really_start_incremental_init): No need to call convert because
3291 bitsize_zero_node is already of type bitsizetype.
3292 (push_init_level): Extract the value of constructor_index as an
3293 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3294 (process_init_element): Likewise.
3296 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3298 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3299 value before passing to make_relative_prefix.
3301 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3304 * builtins.c (expand_builtin_memset): Expand val in original mode.
3306 2006-04-27 Eric Christopher <echristo@apple.com>
3308 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3309 with #ifndef/#endif.
3310 * config/darwin-c.c (darwin_ms_struct): New.
3311 (darwin_pragma_ms_struct): Ditto.
3312 (darwin_set_default_type_attributes): Ditto.
3313 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3314 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3315 Register ms_struct pragma.
3316 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3317 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3318 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3319 darwin_set_default_type_attributes if TARGET_MACHO.
3321 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3323 PR tree-optimization/26854
3324 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3325 * doc/tree-ssa.texi: Update immuse iterator documentation.
3326 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3327 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3328 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3329 first_safe_imm_use, next_safe_imm_use): Remove.
3330 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3331 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3332 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3333 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3334 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3335 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3336 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3337 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3338 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3339 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3340 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3341 (perfect_nestify): Use new iterator.
3342 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3344 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3345 (next_imm_name): New field in struct immediate_use_iterator_d.
3346 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3347 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3348 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3349 * tree-cfg.c (replace_uses_by): Use new iterator.
3350 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3351 * tree-ssa-operands.c (correct_use_link): Remove.
3352 (finalize_ssa_use_ops): No longer call correct_use_link.
3354 2006-04-27 Stuart Hastings <stuart@apple.com>
3356 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3357 * config/t-darwin (crt3.o): Use it.
3358 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3359 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3360 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3361 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3362 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3365 2006-04-27 Roger Sayle <roger@eyesopen.com>
3367 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3368 size, force the intermediate into a new pseudo rather instead of
3369 performing both a bitwise AND and a bitwise IOR in memory.
3371 2006-04-27 Richard Guenther <rguenther@suse.de>
3373 PR rtl-optimization/26685
3374 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3375 this one "max-flow-memory-locations".
3377 2006-04-27 Richard Guenther <rguenther@suse.de>
3379 PR tree-optimization/25148
3380 * tree-vrp.c (compare_values): Remove code dealing with
3381 comparisons against type min/max value. Honour overflow
3382 and negative constants in code dealing with comparisons
3383 of plus and minus expressions.
3384 (value_inside_range): Use fold_binary with LE_EXPR and
3385 GE_EXPR rather than compare_values.
3387 2006-04-27 Dirk Mueller <dmueller@suse.de>
3389 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3392 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3394 * basic-block.h (safe_insert_insn_on_edge): Removed.
3395 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3397 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3398 Paolo Bonzini <bonzini@gnu.org>
3401 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3402 (simplify_and_const_int): Same.
3404 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3406 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3408 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3411 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3412 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3413 cgraph_global_info_ready.
3416 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3419 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3420 either decl or init is error_mark_node.
3423 * tree-flow.h (struct omp_region): Add sched_kind.
3424 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3425 instead of extracting omp for data.
3426 (expand_omp_for): Save extracted sched_kind.
3428 2006-04-25 Roger Sayle <roger@eyesopen.com>
3430 * expmed.c (store_bit_field): Also check whether the bitsize is
3431 valid for the machine's "insv" instruction before moving the
3432 target into a pseudo for use with the insv.
3433 * config/i386/predicates.md (const8_operand): New predicate.
3434 * config/i386/i386.md (extv, extzv, insv): Use the new
3435 const8_operand predicate where appropriate.
3437 2006-04-25 DJ Delorie <dj@redhat.com>
3439 * doc/install.texi (Specific): Clarify that this is not a list of
3440 supported hosts or targets.
3442 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3444 PR rtl-optimization/26725
3445 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3446 block's BB_DIRTY flag.
3448 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3450 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3453 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3454 to print an integer.
3456 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3458 * varasm.c (align_variable): New function.
3459 (get_block_for_decl): Apply align_variable to DECL before
3460 calculating section information.
3461 (assemble_variable): Split out alignment computation.
3463 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3465 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3468 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3470 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3471 MODE_PARTIAL_INT mode.
3472 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3473 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3475 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3476 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3478 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3480 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3482 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3483 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3484 MACFLAG_IH): Likewise.
3485 (movstricthi_1): Renamed from "*movstricthi".
3486 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3487 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3488 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3489 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3490 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3491 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3492 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3493 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3494 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3495 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3496 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3497 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3498 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3499 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3500 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3502 * doc/rtl.texi (ss_ashift): Improve wording.
3504 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3506 * dwarf2out.c (verify_marks_clear): New.
3507 (prune_unused_types): Call verify_marks_clear initially, not
3510 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3512 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3513 * doc/rtl.texi: Document them.
3514 * simplify-rtx.c (simplify_unary_operation,
3515 simplify_binary_operation_1): Don't abort when we see them.
3517 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3520 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3521 * configure.ac: Completely disregard languages that are not
3523 * configure: Regenerated.
3525 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3526 Richard Guenther <rguenther@suse.de>
3528 PR tree-optimization/27236
3529 * tree-inline.c (copy_body_r): Make sure to copy
3530 TREE_THIS_VOLATILE flag.
3532 2006-04-24 Richard Guenther <rguenther@suse.de>
3535 * tree-complex.c (update_parameter_components): Don't handle
3536 unused parameters which have no default def.
3538 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3539 Richard Guenther <rguenther@suse.de>
3541 PR tree-optimization/27218
3542 * tree-inline.c (expand_call_inline): Strip useless type
3543 conversions for the return slot address.
3545 2006-04-24 Richard Guenther <rguenther@suse.de>
3547 * cfgloop.h (struct loops): Remove unused field array. Reorder
3549 (LOOP_PREFETCH): Remove.
3551 2006-04-24 Richard Guenther <rguenther@suse.de>
3553 PR tree-optimization/22525
3554 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3555 variable, adjust types of generated expressions.
3557 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3559 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3560 (tree-vect-patterns.o): Likewise.
3562 (cselib.o): Likewise.
3563 (loop-doloop.o): Likewise.
3564 (regclass.o): Likewise.
3565 (reload1.o): Likewise.
3566 (explow.o): Replace target.h with $(TARGET_H).
3567 (ipa-prop.o): Likewise.
3568 (ipa-cp.o): Likewise.
3569 (ipa-inline.o): Likewise.
3570 (reorg.o): Likewise.
3571 (reg-stack.o): Likewise.
3573 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3575 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3577 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3579 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3581 * configure.ac: Completely disregard languages that are not
3583 * configure: Regenerated.
3586 * c-common.h (c_build_bitfield_integer_type): Declare.
3587 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3588 * c-common.c (c_build_bitfield_integer_type): ... here.
3590 2006-04-23 Roger Sayle <roger@eyesopen.com>
3593 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3594 a SImode SUBREG of a floating point register after no_new_pseudos.
3596 2006-04-23 Roger Sayle <roger@eyesopen.com>
3598 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3599 identify potentially eliminable registers to additionally catch
3600 VIRTUAL_INCOMING_ARGS_REGNUM.
3601 (addsi3): Update the conditions on when to use addsi_small_int.
3603 2006-04-23 Roger Sayle <roger@eyesopen.com>
3606 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3607 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3608 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3610 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3612 * fold-const.c (range_predecessor): Use operand_equal_p
3613 as the predicate for equality.
3614 (range_successor): Likewise.
3616 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3619 * config/soft-fp/op-common.h: Fix a typo.
3621 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3624 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3625 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3627 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3629 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3631 * doc/tm.texi: Fix a typo.
3633 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3635 * dwarf2out.c (struct die_struct): Document that die_sib makes
3636 a circular linked list.
3637 (FOR_EACH_CHILD): New.
3638 (reverse_die_lists): Delete.
3639 (reverse_all_dies): Delete.
3640 (add_dwarf_attr): Correct documentation.
3641 (remove_child_with_prev): New.
3642 (remove_child_TAG): Update for change to die_struct, use
3643 remove_child_with_prev.
3644 (add_child_die): Update for change to die_struct.
3645 (splice_child_die): Use remove_child_with_prev and add_child_die.
3646 (print_die): Use FOR_EACH_CHILD.
3647 (die_checksum): Likewise.
3648 (assign_symbol_names): Likewise.
3649 (output_location_lists): Likewise.
3650 (build_abbrev_table): Likewise.
3651 (calc_die_sizes): Likewise.
3652 (mark_dies): Likewise.
3653 (unmark_dies): Likewise.
3654 (unmark_all_dies): Likewise.
3655 (output_die): Likewise.
3656 (prune_unused_types_mark): Likewise.
3657 (prune_unused_types_walk): Likewise.
3658 (same_die_p): Update for change to die_struct.
3659 (break_out_includes): Likewise.
3660 (prune_unused_types_prune): Likewise.
3661 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3662 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3664 (dwarf2out_finish): Don't call reverse_all_dies.
3666 2006-04-21 Eric Christopher <echristo@apple.com>
3668 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3669 in comments and function names.
3671 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3674 * c-typeck.c (digest_init): Robustify.
3676 * c-typeck.c (pop_init_level): Simplify.
3678 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3680 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3682 2006-04-21 Paul Brook <paul@codesourcery.com>
3684 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3685 hardware floating point.
3687 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3689 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3692 2006-04-21 Nick Clifton <nickc@redhat.com>
3694 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3697 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3700 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3701 C++ lang type in traceback table for Objective-C++.
3703 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3705 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3707 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3709 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3712 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3713 were errors. Remove check for erroneous objects.
3715 2006-04-20 Jeff Law <law@redhat.com>
3717 PR tree-optimization/26854
3718 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3719 checking for zero or one use.
3720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3721 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3722 * tree-ssa-reassoc.c (negate_value): Similarly.
3723 (reassociate_bb): Similarly.
3725 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3727 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3728 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3729 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3731 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3733 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3734 fp regs if the last fp arg doesn't fit in regs.
3736 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3739 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3740 that the last insn has the REG_INC note.
3742 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3743 Nathan Sidwell <nathan@codesourcery.com>
3746 * stor-layout.c (update_alignment_for_field): Do not align
3748 (place_union_field): Place union field at the start of the union.
3749 (place_field): Move ERROR_MARK check later, and use the current
3750 allocation position to maintain monotonicity.
3752 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3754 * dominance.c: Include timevar.h.
3755 (calculate_dominance_info): Use TV_DOMINANCE.
3756 * timevar.def (TV_DOMINANCE): New timevar.
3757 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3759 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3761 PR rtl-optimization/14261
3762 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3763 move would be an INSV insn.
3764 (noce_process_if_block): Don't optimize if the destination is a
3765 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3767 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3769 * config/s390/s390.md: Add comments with the instructions emitted
3770 by an insn pattern if macros are used.
3772 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3774 PR rtl-optimization/26026
3775 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3776 is a known power of two shifted left a variable amount.
3778 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3780 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3781 to hash table twice when the debug_str section has SECTION_MERGE.
3783 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3785 * config/soft-fp: New directory. From glibc.
3786 * config/soft-fp/t-softfp: New.
3787 * config/soft-fp/README: New.
3788 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3789 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3790 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3791 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3792 * config.gcc: Use rs6000/t-fprules-fpbit or
3793 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3795 * config/rs6000/sfp-machine.h: New. Based on glibc.
3796 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3798 * config/rs6000/t-fprules: Remove fp-bit rules.
3799 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3800 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3801 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3802 (softfp_wrap_start, softfp_wrap_end): New.
3804 2006-04-18 DJ Delorie <dj@redhat.com>
3806 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3808 2006-04-18 Devang Patel <dpatel@apple.com>
3810 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3812 2006-04-18 Nick Clifton <nickc@redhat.com>
3814 * config/sh/t-symbian: Add rule to build sh-c.o
3815 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3816 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3817 (sh_symbian_encode_section_info): Likewise.
3819 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3821 * builtins.c (expand_builtin_strcmp): Cover label definition of
3822 do_libcall with HAVE_cmpstrnsi.
3824 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3826 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3828 * function.h (temp_slot_p): New.
3829 (function): Change the type of x_used_temp_slots to
3830 VEC(temp_slot_p,gc) *.
3832 2006-04-18 Nick Clifton <nickc@redhat.com>
3834 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3835 flag_strength_reduce.
3837 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3839 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3843 Partial revert of revision 112637
3844 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3845 Dale Johannesen <dalej@apple.com>
3848 * regclass.c (struct reg_pref): Update documentation.
3849 (regclass): Set prefclass to NO_REGS if memory is the best option.
3850 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3852 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3854 PR tree-optimization/26821
3855 * tree-ssa-math-opts.c (get_constant_one): New.
3856 (insert_reciprocals): Use it.
3858 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3860 * dwarf2out.c (free_AT): Delete.
3861 (remove_AT): Update string ref counts.
3862 (remove_child_TAG): Don't call free_die.
3864 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3865 or DW_TAG_GNU_EINCL.
3866 (prune_unused_types_walk_attribs): Reset string refcounts.
3867 (prune_unused_types_update_strings): New.
3868 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3869 call free_die. Do call prune_unused_types_update_strings.
3870 (prune_unused_types): Empty debug_str_hash.
3872 2006-04-17 Roger Sayle <roger@eyesopen.com>
3874 * expr.c (expand_assignment): Optimize away no-op moves where the
3875 source and destination are equal and have no side-effects.
3877 2006-04-17 Richard Guenther <rguenther@suse.de>
3880 * reload.c (push_reload): Guard calls to get_secondary_mem
3883 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3885 * alias.c (reg_base_value, old_reg_base_value): Change the
3886 type to VEC(rtx,gc) *.
3887 (REG_BASE_VALUE, find_base_value, record_set,
3888 init_alias_analysis): Use VEC instead of VARRAY.
3890 * alias.c (alias_sets): Change the type to
3891 VEC(alias_set_entry,gc) *.
3892 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3893 VEC instead of VARRAY.
3894 (last_alias_set): Remove.
3896 * cgraph.h (cgraph_edge_p): New.
3897 Update the prototype of cgraph_function_versioning.
3898 * cgraphunit.c (cgraph_copy_node_for_versioning,
3899 cgraph_function_versioning): Use VEC instead of VARRAY.
3900 * ipa-cp.c (ipcp_insert_stage): Likewise.
3902 2006-04-16 Roger Sayle <roger@eyesopen.com>
3905 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3906 "A op B" or "A op C", we may need to convert A to the type of B and C.
3908 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3910 * target.h (struct gcc_target): Add mode_rep_extended.
3911 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3912 (init_num_sign_bit_copies_in_rep): Initialize it using
3914 (truncate_to_mode): Use it.
3915 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3916 * targhooks.h (default_mode_rep_extended): Declare it.
3917 * targhooks.c (default_mode_rep_extended): Define it.
3918 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3919 default_mode_rep_extended.
3920 (TARGET_INITIALIZER): Include it.
3921 * doc/tm.texi (Misc): Document it.
3922 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3923 (mips_truncated_to_mode): New function.
3925 2006-04-16 Roger Sayle <roger@eyesopen.com>
3928 * expr.c (compress_float_constant): Copy the narrow constant into
3929 a new pseudo before extending it to its final width.
3931 2006-04-16 Roger Sayle <roger@eyesopen.com>
3932 Andrew Pinski <pinskia@gcc.gnu.org>
3933 Dale Johannesen <dalej@apple.com>
3936 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3937 special case code to implement V8HImode and V16QImode with SSE2.
3939 2006-04-15 Roger Sayle <roger@eyesopen.com>
3941 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3942 trees are constructed with a suitable tree type.
3944 2006-04-15 Roger Sayle <roger@eyesopen.com>
3946 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3947 (integer_onep): Likewise.
3948 (integer_all_onesp): Likewise.
3949 (integer_pow2p): Likewise.
3950 (integer_nonzerop): Likewise.
3951 (real_zerop): Likewise.
3952 (real_onep): Likewise.
3953 (real_twop): Likewise.
3954 (real_minus_onep): Likewise.
3955 (int_size_in_bytes): Likewise.
3956 (host_integerp): Likewise.
3958 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3960 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3961 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3962 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3964 * tree-ssa-structalias.h (alias_info): Remove num_references.
3966 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3968 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3969 (output_bvb patterns): Likewise.
3970 * pa.c (output_bb): Use 'bb' insn for long branch case.
3971 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3972 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3973 1. Correct length operand for alternatives 1 and 2.
3974 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3975 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3977 2006-04-14 Roger Sayle <roger@eyesopen.com>
3979 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3980 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3981 were accidentally reverted by r112959.
3983 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3986 * except.h (eh_region_outermost): New prototype.
3987 * except.c (eh_region_outermost): New function.
3988 * tree-cfg.c (find_outermost_region_in_block): Use it.
3990 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3992 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3994 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3995 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3996 (init_reload, reload): Use VEC instead of VARRAY.
3997 * reload.h: Update the prototype for
3998 reg_equiv_memory_loc_varray.
4000 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4001 Eric Botcazou <ebotcazou@libertysurf.fr>
4003 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4006 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4009 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4010 to expand fallback builtin function call.
4012 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4015 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4016 and emit libcall here in case the builtin fails.
4017 (expand_builtin_strcmp): Always emit the libcall here on failure.
4019 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4021 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4022 * flow.c (reg_n_info): Change the type to
4023 VEC(reg_info_p,heap) *.
4024 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4026 * regs.h (reg_info_p): New.
4027 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4028 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4029 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4032 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4034 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4036 * params.h (MAX_SCHED_READY_INSNS): New macro.
4037 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4038 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4039 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4040 the ready list for 1 cycle during the first scheduling pass.
4041 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4043 2006-04-13 Richard Henderson <rth@redhat.com>
4046 * gimple-low.c (lower_omp_directive): Remove dead code.
4047 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4048 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4049 * omp-low.c (struct omp_region): Move to tree-flow.h.
4050 (root_omp_region): Export.
4051 (omp_regions, lookup_omp_region): Remove.
4052 (determine_parallel_type): Update for struct omp_region changes.
4053 (dump_omp_region): Dump regions with block numbers.
4054 (new_omp_region): Take type and block instead of stmt; malloc
4056 (free_omp_region_1, free_omp_regions): New.
4057 (expand_parallel_call): Take entry_stmt as argument; update for
4058 changes to omp_region.
4059 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4060 (remove_exit_barriers): New.
4061 (expand_omp_parallel): Update for struct omp_region changes.
4062 (expand_omp_synch): Likewise.
4063 (expand_omp): Likewise.
4064 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4065 (expand_omp_for_static_chunk): Likewise.
4066 (expand_omp_for): Likewise.
4067 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4068 (expand_omp_sections): Similarly, with GOMP_sections_end.
4069 (expand_omp_single): New.
4070 (build_omp_regions_1): Update for OMP_CONTINUE.
4071 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4072 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4073 OMP_SECTIONS_SECTIONS.
4074 (lower_omp_single_simple): Don't emit barrier here.
4075 (lower_omp_single_copy): Likewise.
4076 (lower_omp_single): Fix bindings, and lower to straightline now.
4077 (lower_omp_master, lower_omp_ordered): Likewise.
4078 (lower_omp_critical): Likewise.
4079 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4080 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4081 omp edges, free it afterward.
4082 (make_omp_sections_edges): Remove.
4083 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4084 (move_stmt_r): Handle OMP_CONTINUE.
4085 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4086 statement pointers to basic blocks. Add type member.
4087 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4088 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4089 * tree-inline.c (estimate_num_insns_1): Likewise.
4090 * tree-pretty-print.c (dump_generic_node): Likewise.
4091 * tree-ssa-operands.c (get_expr_operands): Likewise.
4092 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4093 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4094 (OMP_CONTINUE): New.
4095 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4096 (OMP_SECTIONS_SECTIONS): Remove.
4097 (OMP_SECTION_LAST): New.
4098 (OMP_RETURN_NOWAIT): New.
4100 2006-04-13 Roger Sayle <roger@eyesopen.com>
4102 * fold-const.c (native_encode_vector, native_interpret_real):
4103 Correct obvious mistakes in the previous check-in.
4105 2006-04-13 Roger Sayle <roger@eyesopen.com>
4107 * fold-const.c (native_encode_expr): New function to encode
4108 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4109 or VECTOR_CST into a specified buffer.
4110 (native_encode_int): New function.
4111 (native_encode_real): New function.
4112 (native_encode_complex): New function.
4113 (native_encode_vector): New function.
4114 (native_interpret_expr): Inverse of native_encode_expr to convert
4115 a target representation into an INTEGER_CST, REAL_CST etc...
4116 (native_interpret_int): New function.
4117 (native_interpret_real): New function.
4118 (native_interpret_complex): New function.
4119 (native_interpret_vector): New function.
4120 (fold_view_convert_expr): New function to constant fold/evaluate
4121 a VIEW_CONVERT_EXPR of a suitable constant expression.
4122 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4123 Change call of build1 to fold_build1 when constructing a
4126 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4127 Ulrich Weigand <uweigand@de.ibm.com>
4130 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4133 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4136 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4137 optimize to lo_sum for DFmode if !TARGET_FPRS.
4139 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4141 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4142 delete_alias_info, compute_flow_sensitive_aliasing,
4143 group_aliases): Use VEC instead of VARRAY.
4144 * tree-ssa-structalias.c (update_alias_info): Likewise.
4145 * tree-ssa-structalias.h (alias_info): Change the type of
4146 processed_ptrs to VEC(tree,heap) *.
4148 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4151 * config/sh/lib1funcs.h: New file, broken out of:
4152 * config/sh/lib1funcs.asm.
4153 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4155 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4156 * config/sh/lib1funcs-Os-4-200.asm: New file.
4157 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4158 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4159 (EXTRA_MULTILIB_PARTS): Include it.
4160 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4161 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4162 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4163 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4166 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4168 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4169 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4170 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4172 * tree-ssa-live.h: Include vecprim.h.
4173 (tree_partition_associator_d): Change the type of
4174 first_partition to VEC(int,heap) *.
4175 (tpa_first_partition): Use VEC instead of VARRAY.
4177 * Makefile.in (GTFILES): Move functions.h after tree.h.
4178 * function.c (reset_block_changes, record_block_change,
4179 check_block_change, free_block_changes): Use VEC instead of
4181 * function.h (function): Change the type of
4182 ib_boundaries_block to VEC(tree,gc) *.
4183 * tree-inline.c (copy_cfg_body): Initialize
4184 ib_boundaries_block to NULL instead of (varray_type) 0.
4186 2006-04-12 Roger Sayle <roger@eyesopen.com>
4188 * expr.c (emit_group_store): Correct operand order in call to
4189 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4190 a SUBREG_BYTE of zero.
4192 2006-04-12 Richard Guenther <rguenther@suse.de>
4194 * profile.c (compute_branch_probabilities): Remove code
4195 encapsulated in !ir_type (), which are remanents of the
4196 removed RTL profiling code.
4197 * rtl-profile.c: Remove.
4199 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4201 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4202 magic NULL_RTX comment.
4203 (function_arg): Store entire fp arg to mem if any part should go
4205 (rs6000_arg_partial_bytes): Adjust for above change.
4207 2006-04-11 Roger Sayle <roger@eyesopen.com>
4209 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4210 if it hasn't been initialized by dwarf2out_init.
4212 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4214 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4215 symbolic constants in branch patterns.
4217 2006-04-11 Roger Sayle <roger@eyesopen.com>
4219 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4221 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4223 PR rtl-optimization/27073
4224 * gcse.c (try_replace_reg): Revert last change. Continue to search
4225 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4228 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4230 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4231 aggregate types other than record and union types.
4232 (function_arg): Likewise.
4233 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4235 (function_value): In 64-bit mode, return objects that require it
4238 2006-04-11 Roger Sayle <roger@eyesopen.com>
4240 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4242 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4244 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4246 2006-04-03 Jeff Law <law@redhat.com>
4249 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4250 alias information too.
4252 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4254 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4256 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4259 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4260 (premark_used_types_helper): New.
4261 (premark_used_types): New.
4262 (gen_subprogram_die): Call premark_used_types.
4263 (prune_unused_types_walk): Do not prune perennial dies.
4264 * function.c (used_types_insert): New.
4265 * function.h (struct function): Add used_types_hash field.
4266 (used_types_insert): Add prototype.
4267 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4268 * c-parser.c (c_parser_cast_expression): Save casted types in used
4271 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4274 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4275 rs6000_explicit_options.float_gprs.
4277 2006-04-10 Roger Sayle <roger@eyesopen.com>
4279 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4280 from ix86_expand_vector_init_low_nonzero. Take an additional
4281 one_var argument indicating which element is non-zero. Support
4282 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4283 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4284 with one_var instead of ix86_expand_vector_init_low_nonzero.
4286 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4288 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4289 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4290 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4291 build/genextract.o): Depend on vecprim.h.
4292 * cfglayout.c, df-problems.c, function.c, genextract.c,
4293 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4294 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4298 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4300 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4301 Declare VECs of this type.
4302 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4303 (remove_children): Delete.
4304 (add_dwarf_attr): Use VEC routines.
4305 (add_AT_flag): Update for changes to add_dwarf_attr.
4306 (add_AT_int): Likewise.
4307 (add_AT_unsigned): Likewise.
4308 (add_AT_long_long): Likewise.
4309 (add_AT_vec): Likewise.
4310 (add_AT_string): Likewise.
4311 (add_AT_die_ref): Likewise.
4312 (add_AT_fde_ref): Likewise.
4313 (add_AT_loc): Likewise.
4314 (add_AT_loc_list): Likewise.
4315 (add_AT_addr): Likewise.
4316 (add_AT_lbl_id): Likewise.
4317 (add_AT_lineptr): Likewise.
4318 (add_AT_macptr): Likewise.
4319 (add_AT_offset): Likewise.
4320 (add_AT_range_list): Likewise.
4321 (get_AT): Use VEC_iterate.
4322 (remove_AT): Use VEC_ordered_remove.
4323 (free_die): Fold remove_children into here; have it use VEC_iterate.
4324 (print_die): Use VEC_iterate on attrs.
4325 (reverse_die_lists): Don't reverse attr lists.
4326 (die_checksum): Use VEC_iterate on attrs.
4327 (same_die_p): Likewise.
4328 (output_location_lists): Likewise.
4329 (build_abbrev_table): Likewise.
4330 (size_of_die): Likewise.
4331 (unmark_all_dies): Likewise.
4332 (output_abbrev_section): Likewise.
4333 (output_die): Likewise.
4334 (prune_unused_types_walk_attribs): Likewise.
4336 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4338 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4340 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4343 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4345 2006-04-09 Roger Sayle <roger@eyesopen.com>
4347 * expr.c (store_constructor): Don't bother clearing target if
4348 we're about to assign a vector to it using vec_init_optab.
4350 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4352 * tree-ssa-alias.c (lhs_may_store_to): New function.
4353 (recalculate_used_alone): Handle LHS of calls.
4355 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4359 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4360 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4361 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4362 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4363 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4364 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4365 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4366 stubs. Add ".align 8" directives before all ".dword" directives.
4367 (GTHREAD_USE_WEAK): Revise comment.
4368 (TARGET_ATTRIBUTE_WEAK): Define.
4369 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4370 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4371 * stublib.c: New file.
4376 * pa.md (cbranch patterns): Revise arguments used in calls to
4377 output_cbranch, output_bb and output_bvd. Add long branch length
4379 (fbranch patterns): Handle long branches.
4380 (jump): Revise length check. Revise arguments for output_lbranch call.
4381 Add long branch length attributes.
4382 (decrement_and_branch_until_zero): Add long branch length attributes.
4383 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4384 Likewise. Revise arguments for output_parallel_addb and
4385 output_parallel_movb calls.
4386 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4387 output_parallel_movb and output_parallel_addb): Update prototypes.
4388 * pa.c (output_cbranch): Revise arguments. Correct handling of
4389 nullification in long branches.
4390 (output_lbranch): Add new argument to control extraction of delay
4392 (output_bb): Handle long branches.
4393 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4394 output_parallel_addb): Likewise.
4396 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4398 PR rtl-optimization/27073
4399 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4402 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4404 * tree.h (tree_memory_tag): Add old_used_alone.
4405 (SMT_OLD_USED_ALONE): New macro.
4406 * tree-ssa-alias.c (recalculate_used_alone): Stop
4407 marking things for renaming unnecessarily.
4409 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4411 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4412 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4413 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4414 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4415 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4416 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4417 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4418 spelling convensions.
4419 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4420 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4421 typos. Follow spelling conventions.
4423 2006-04-07 DJ Delorie <dj@redhat.com>
4425 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4426 passed on the stack.
4427 (m32c_init_cumulative_args): When a function returns a structure,
4428 always pass the pointer to that return area on the stack.
4429 (m32c_function_arg_advance): Don't increment the parameter number
4430 if we're processing the returned structure pointer.
4431 (pushm_info): Reverse order of registers.
4433 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4435 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4436 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4437 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4438 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4440 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4441 chrec_fold_multiply): Same.
4442 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4443 force_expr_to_var_cost): Same.
4444 * tree-mudflap.c (mf_xform_derefs_1): Same.
4445 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4447 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4449 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4450 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4453 2006-04-07 Jan Hubicka <jh@suse.cz>
4455 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4457 2006-04-07 Richard Guenther <rguenther@suse.de>
4459 PR tree-optimization/26135
4460 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4461 loads for store copy-prop.
4462 (copy_prop_visit_stmt): Likewise.
4464 2006-04-05 Robert Millan <robertmh@gnu.org>
4466 * config/i386/linux.h: Add a comment to mark macros that are
4467 being overriden in config/k*bsd-gnu.h.
4468 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4470 * config/knetbsd-gnu.h: Ditto.
4472 2006-04-06 Jan Hubicka <jh@suse.cz>
4476 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4479 2006-04-06 Mike Stump <mrs@apple.com>
4481 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4482 for HAVE_nonlocal_goto to be consistent.
4483 (expand_builtin_nonlocal_goto): Likewise.
4484 (expand_builtin_strcmp): Use #ifdef instead of #if
4485 for HAVE_cmpstrnsi to be consistent.
4487 2006-04-05 DJ Delorie <dj@redhat.com>
4489 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4492 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4494 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4495 got-relative addressing for anything but SImode.
4497 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4498 even if the calling function doesn't modify them.
4500 2006-04-05 Richard Guenther <rguenther@suse.de>
4502 PR tree-optimization/26919
4503 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4504 to cgraph_estimate_size_after_inlining.
4506 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4508 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4510 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4512 PR tree-optimization/26996
4513 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4514 VECTOR_TYPE variables.
4516 2006-04-05 Richard Guenther <rguenther@suse.de>
4518 PR tree-optimization/26763
4519 * fold-const.c (fold_comparison): Move folding of
4520 PTR + CST CMP PTR + CST ...
4521 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4523 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4525 * doc/install.texi (Prerequisites): Refine some wording on
4526 bootstrapping and ksh.
4527 Move the version numbers of DejaGnu here from the testing section
4528 and fix casing of names.
4529 Fix markup and clarify wording for autogen requirements.
4530 Refer to GCJ instead of just java.
4531 Refer to SVN instead of CVS.
4532 Describe diffutils as useful instead of necessary.
4533 (Downloading the source): Refer to SVN instead of CVS.
4534 Adjust a link to our web site accordingly.
4535 (Configuration): Fix casing of Bison.
4536 (Building): Refer to SVN instead of CVS.
4537 Fix a sentence on the use of Bison and remove duplicate (and
4538 incorrect) version number of Bison requirement.
4539 Remove one redundant list of packages needed for building.
4540 (Specific): Avoid reference to CVS.
4542 2006-04-04 Eric Christopher <echristo@apple.com>
4544 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4545 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4546 (rs6000_handle_struct_attribute): New.
4547 (rs6000_ms_bitfield_layout_p): Ditto.
4549 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4551 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4552 NULL for dso parameter to atexit_common.
4554 2006-04-04 Eric Christopher <echristo@apple.com>
4556 * config/i386/i386.c (machopic_output_stub): Output \t
4557 between instructions and operands.
4559 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4561 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4562 satisfies_constraint_[IL] to explicit tests on value.
4564 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4566 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4567 set_nb_iterations_in_loop): Use build_int_cst instead of
4569 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4570 build_int_cst instead of convert.
4572 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4574 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4575 new value 2 for incoming.
4576 * function.c (expand_function_start): Call struct_value_rtx
4578 * config/sparc/sparc.md: Comment updated_return.
4579 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4580 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4581 struct return if sparc_std_struct_return and incoming is 2.
4582 (print_operand): Do not adjust return if
4583 sparc_std_struct_return.
4585 2006-04-04 Roger Sayle <roger@eyesopen.com>
4587 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4588 convert in the middle-end.
4589 * expr.c (store_expr, store_constructor, get_inner_reference,
4590 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4592 * tree.c (build_range_type): Likewise.
4594 2006-04-04 Tom Tromey <tromey@redhat.com>
4596 * doc/install.texi (Prerequisites): Mention jar.
4598 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4600 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4603 2006-04-04 Matthias Klose <doko@debian.org>
4605 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4606 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4609 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4611 * doc/extend.texi (Function Attributes): Rewrite visibility
4612 attribute documentation.
4613 * doc/invoke.texi (C++ Dialect Options): Rewrite
4614 -fvisibility-inlines-hidden documentation to describe something
4615 entirely different, although in practise compatible.
4616 (Code Gen Options): Warn about system headers in -fvisibility=
4619 * doc/extend.texi (Other Builtins): Document that
4620 __builtin_nan is a compile-time constant only when its argument
4623 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4625 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4626 trying to remove TRUNCATE check if all bits outside the new mode
4627 are identical to the sign bit.
4629 2006-04-03 Jeff Law <law@redhat.com>
4631 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4632 and operand scanning in some common cases.
4634 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4635 Dale Johannesen <dalej@apple.com>
4638 * regclass.c (struct reg_pref): Update documentation.
4639 (regclass): Set prefclass to NO_REGS if memory is the best option.
4640 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4641 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4642 into account. For non-registers, equate an empty preferred
4643 reload class to a `!' in the constraint; move the if clause to
4644 do so after those that reject the insn.
4645 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4647 (find_dummy_reload): Likewise.
4648 * doc/tm.texi (Register Classes): Document what it means
4649 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4650 * config/i386/i386.c (ix86_preferred_reload_class): Force
4651 using SSE registers (and return NO_REGS for floating-point
4652 constants) if math is done with SSE.
4653 (ix86_preferred_output_reload_class): New.
4654 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4655 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4656 * config/i386/i386.md: Remove # register preferences.
4658 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4661 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4662 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4663 the type of nb_iter.
4664 (instantiate_parameters_1): Convert the operands before calling
4665 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4666 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4668 2006-04-02 Roger Sayle <roger@eyesopen.com>
4670 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4671 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4673 * dojump.c (do_jump): Likewise.
4674 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4675 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4676 gimplify_boolean_expr): Likewise.
4677 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4678 * varasm.c (array_size_for_constructor): Likewise.
4679 * tree-object-size.c (compute_object_offset): Likewise.
4681 2006-04-02 Roger Sayle <roger@eyesopen.com>
4684 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4685 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4687 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4689 PR tree-optimization/26939
4690 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4692 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4694 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4695 at_stmt. Convert the type of operands before calling
4696 build_polynomial_chrec.
4697 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4699 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4700 (instantiate_parameters_1): Convert the type of operands before calling
4701 build_polynomial_chrec.
4702 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4703 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4704 reset_evolution_in_loop): Insert asserts to check the types of the
4706 (chrec_type): Moved...
4707 (eq_evolutions_p): Use operand_equal_p.
4708 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4709 the types of the operands.
4710 (chrec_type): ...here.
4711 * tree-data-ref.c (create_data_ref): Convert the operands before
4712 calling chrec_replace_initial_condition.
4713 (same_access_functions, analyze_subscript_affine_affine,
4714 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4715 (compute_subscript_distance, analyze_ziv_subscript,
4716 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4717 analyze_miv_subscript): Convert the operands before calling
4718 chrec_fold_minus or chrec_fold_plus.
4720 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4722 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4723 the dependence_relations vector.
4724 (compute_data_dependences_for_loop): Adjust call to
4725 compute_all_dependences.
4727 2006-04-01 Roger Sayle <roger@eyesopen.com>
4728 Richard Henderson <rth@redhat.com>
4730 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4731 gimple_boolify on the condition before calling gimplify_expr.
4733 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4735 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4736 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4737 the frame size. Update to use the new macros.
4738 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4739 * config/xtensa/ieee754-df.S: Likewise.
4741 2006-03-31 Richard Henderson <rth@redhat.com>
4743 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4744 (make_edges): ... here. Control fallthru creation with a local
4745 variable. Do not play with fake edges.
4746 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4747 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4750 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4752 * dwarf2.h (DW64_CIE_ID): Define.
4753 * dwarf2out.c (DWARF_CIE_ID): Define.
4754 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4755 length header. Use DWARF_CIE_ID.
4756 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4757 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4759 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4761 * config/sh/linux-atomic.asm: New file.
4762 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4764 2006-03-31 DJ Delorie <dj@redhat.com>
4766 * config/m32c/cond.md: Set condition flags properly throughout.
4767 * config/m32c/minmax.md: Likewise.
4768 * config/m32c/prologue.md: Likewise.
4769 * config/m32c/bitops.md: Likewise.
4770 * config/m32c/muldiv.md: Likewise.
4771 * config/m32c/mov.md: Likewise.
4772 * config/m32c/addsub.md: Likewise.
4773 * config/m32c/m32c.md: Likewise.
4774 * config/m32c/jump.md: Likewise.
4775 * config/m32c/shift.md: Likewise.
4777 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4778 conditionally output the pattern for this.
4779 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4780 (m32c_compare_redundant): New.
4781 (m32c_output_compare): New.
4782 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4784 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4785 dest, not src. Allow other 4-byte modes.
4787 2006-03-30 Denis Chertykov <denisc@overta.ru>
4789 * doc/md.texi: Refer to avr/constraints.md instead of
4792 2006-03-30 Roger Sayle <roger@eyesopen.com>
4794 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4795 signed vs. unsigned comparison failures on some hosts.
4797 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4800 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4801 change to FLOAT_REGS.
4803 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4804 (rs6000_override_options): Use it.
4805 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4806 only for -mabi=spe/no-spe and -mabi=altivec.
4808 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4810 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4813 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4815 * Makefile.in: Rename docdir to gcc_docdir.
4817 2006-03-30 Roger Sayle <roger@eyesopen.com>
4820 * expr.c (emit_group_store): Optimize group stores into a pseudo
4821 register by using a paradoxical subreg to initialize the destination
4822 if the first or last member of the group specifies a "low part".
4824 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4827 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4828 * target.h (struct gcc_target.speculate_insn): Change type of the
4829 second parameter to 'int'.
4830 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4831 the second operand of the DEPS_LIST.
4832 (copy_DEPS_LIST_list): Update reference to the second operand of the
4834 * rtl.h (alloc_DEPS_LIST): Update signature.
4835 * sched-int.h (ds_t): Change typedef to 'int'.
4836 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4838 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4840 * haifa-sched.c (try_ready): Change condition to restore
4841 non-speculative pattern of the instruction.
4842 (process_insn_depend_be_in_spec): Code to keep probability of the
4843 speculative dependence non-decreasing.
4845 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4847 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4848 (single_move_for_movmem): ... this. Also change all uses.
4849 (bfin_expand_strmov): Renamed to...
4850 (bfin_expand_movmem): ... this. Also change all uses.
4851 * config/bfin/bfin.md (movstrsi): Renamed to...
4852 (movstrsi): ...this.
4854 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4856 PR tree-optimization/26830
4858 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4859 (copy_prop_visit_stmt): Remove write-only variable ann.
4860 (init_copy_prop): Check variable loop depth here. Do not simulate
4861 memory-tag and virtual operand PHIs except for store copy prop.
4863 2006-03-30 Richard Guenther <rguenther@suse.de>
4865 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4866 variants with double arguments.
4868 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4870 * genpreds.c (write_tm_constrs_h): Delete variable p.
4871 * genconditions.c (write_header): Add tm-constrs.h to included
4873 * genpeep.c (main): Add toplev.h to included headers.
4874 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4875 (build/genpeep.o): Add toplev.h dependency.
4876 * config/rs6000/constraints.md: Add "W" constraint.
4878 2006-03-29 Roger Sayle <roger@eyesopen.com>
4880 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4881 sizes by correctly testing whether the size fits a host integer.
4882 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4883 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4884 SImode range for the default sizetype and bitsizetype.
4886 2006-03-29 Roger Sayle <roger@eyesopen.com>
4888 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4889 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4890 quickly if the argument is already of the correct type.
4891 Call fold_build1 instead of build1. Tidy up blank lines.
4893 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4895 * genemit.c (main): Add tm-constrs.h to included headers.
4896 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4897 * genpeep.c (main): Add tm-constrs.h to included headers.
4898 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4899 (write_tm_constrs_h): this and write complete file.
4900 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4901 (write_insn_preds_c): Add tm-constrs.h to included headers.
4902 (gen_constrs): New variable.
4903 (parse_option): Parse "-c".
4904 (main): Invoke write_tm_constrs_h.
4905 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4906 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4907 (object_out_file): Add tm-constrs.h dependency.
4908 (insn-emit.o): Same.
4909 (insn-output.o): Same.
4910 (insn-peep.o): Same.
4911 (insn-preds.o): Same.
4912 (insn-recog.o): Same.
4913 (tm-constsr.h): New target.
4914 (s-constrs-h): New target.
4916 * config/rs6000/constraints.md: New file.
4917 * config/rs6000/rs6000.c: Include tm-constrs.h.
4918 (num_insn_constant_wide): Convert to satisfies_constraint.
4919 (rs6000_rtx_costs): Convert to satisfies_constraint.
4920 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4921 (CONST_OK_FOR_LETTER_P): Delete.
4922 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4923 (EXTRA_CONSTRAINT): Delete.
4924 (EXTRA_MEMORY_CONSTRAINT): Delete.
4925 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4926 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4927 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4928 satisfies_constraint.
4930 * config/i386/i386.c: Include tm-constrs.h.
4932 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4934 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4935 * tree-data-ref.c (find_data_references_in_loop,
4936 compute_data_dependences_for_loop): Use pointers to VEC.
4937 (analyze_all_data_dependences): Adjust calls.
4938 * tree-data-ref.h (find_data_references_in_loop,
4939 compute_data_dependences_for_loop): Adjust declarations.
4940 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4941 compute_data_dependences_for_loop.
4943 2006-03-29 Paul Brook <paul@codesourcery.com>
4945 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4948 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4950 PR tree-optimization/26859
4951 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4953 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4954 for the step after fold_convert.
4956 2006-03-29 Paul Brook <paul@codesourcery.com>
4958 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4959 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4961 2006-03-29 Paul Brook <paul@codesourcery.com>
4964 * targhooks.c (default_narrow_bitfield): New fuction.
4965 * targhooks.h (default_narrow_bitfield): add prototype.
4966 * target.h (gcc_target): Add narrow_volatile_bitfield.
4967 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4968 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4969 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4970 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4972 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4974 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4976 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4977 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4978 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4979 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4980 (s390_function_arg_float): Allow SDmode and DDmode values to be
4981 passed in floating point registers.
4982 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4983 check with SCALAR_FLOAT_MODE_P.
4984 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4986 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4988 PR tree-optimization/25985
4989 * tree-ssa-loop-niter.c (number_of_iterations_le,
4990 number_of_iterations_ne): Make comments more precise.
4991 (number_of_iterations_cond): Add only_exit argument. Use the
4992 fact that signed variables do not overflow only when only_exit
4994 (loop_only_exit_p): New.
4995 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4996 number_of_iterations_cond.
4998 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5000 PR tree-optimization/26643
5001 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5004 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5006 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5007 (divsi3_i4_int): Likewise.
5009 2006-03-28 Roger Sayle <roger@eyesopen.com>
5011 * expr.c (emit_group_store): Only create a new pseudo reg if the
5012 quantity it needs to hold isn't already a suitable pseudo.
5014 2006-03-28 Jeff Law <law@redhat.com>
5016 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5017 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5019 2006-03-28 Roger Sayle <roger@eyesopen.com>
5021 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5022 the equivalent ~X & Y, and the symmetry related transformations.
5023 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5024 ~X & Y, and symmetry related transforms.
5026 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5028 Revert my 2006-03-27 patches.
5030 2006-03-28 Roger Sayle <roger@eyesopen.com>
5032 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5033 ~(T1)X, when T1 and T2 are integer types of the same precision
5034 and (T2)X isn't an extension.
5036 2006-03-28 Jeff Law <law@redhat.com>
5038 PR tree-optimization/26796
5039 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5040 need EH edge cleanups rather than purging them immediately.
5041 (eliminate_degenerate_phis): Handle queued EH cleanups.
5043 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5045 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5048 2006-03-27 Roger Sayle <roger@eyesopen.com>
5051 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5052 cast BIT_NOT_EXPR operand to the correct type.
5054 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5056 * tree-loop-linear.c: Don't include varray.h.
5057 (gather_interchange_stats, try_interchange_loops,
5058 linear_transform_loops): Use VEC instead of VARRAY.
5059 * lambda-mat.c: Don't include varray.h.
5060 * tree-chrec.c: Same.
5061 * lambda-trans.c: Same.
5062 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5063 VEC instead of VARRAY.
5064 * tree-vectorizer.h: Idem.
5065 * tree-data-ref.c (dump_data_references,
5066 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5067 initialize_data_dependence_relation, finalize_ddr_dependent,
5068 compute_all_dependences, find_data_references_in_loop,
5069 compute_data_dependences_for_loop, analyze_all_data_dependences,
5070 free_dependence_relation, free_dependence_relations,
5071 free_data_refs): Idem.
5072 * tree-data-ref.h (data_reference_p, subscript_p): New.
5073 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5074 VEC instead of VARRAY.
5075 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5076 (find_data_references_in_loop, compute_data_dependences_for_loop,
5077 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5078 dump_data_dependence_relations, free_dependence_relations,
5079 free_data_refs): Adjust declaration.
5080 (lambda_transform_legal_p): Move declaration here...
5081 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5082 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5083 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5084 vect_analyze_data_refs): Use VEC instead of VARRAY.
5085 * lambda.h (lambda_transform_legal_p): ...from here.
5086 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5087 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5088 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5089 tree-chrec.o): Don't depend on VARRAY_H.
5091 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5093 * rtl.def (Copyright): Update date.
5094 (DEPS_LIST): Change type of the second operand to 'int'.
5095 * target.h (Copyright): Update date.
5096 (struct gcc_target.speculate_insn): Change type of the second parameter
5098 * lists.c (Copyright): Update date.
5099 (alloc_DEPS_LIST): Change signature. Update reference to the second
5100 operand of the DEPS_LIST.
5101 (copy_DEPS_LIST_list): Update reference to the second operand of the
5103 * rtl.h (Copyright): Update date.
5104 (alloc_DEPS_LIST): Update signature.
5105 * sched-int.h (Copyright): Update date.
5106 (ds_t): Change typedef to 'int'.
5107 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5109 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5111 * haifa-sched.c (Copyright): Update date.
5112 (try_ready): Change condition to restore non-speculative pattern
5114 (process_insn_depend_be_in_spec): Code to keep probability of the
5115 speculative dependence non-decreasing.
5117 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5119 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5120 shut up the compiler.
5122 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5124 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5125 to use lib prefix for target.
5126 ($(T)libic_invalidate_array_4-200.a): Likewise.
5127 ($(T)libic_invalidate_array_4a.a): Likewise.
5129 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5130 J"orn Rennecke <joern.rennecke@st.com>
5132 * superh.opt: New file.
5133 * sh.c (boardtype, osruntime): Remove.
5134 * superh.h (SUBTARGET_OPTIONS): Remove.
5135 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5137 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5138 arguments with ^ and/or [].
5140 * config.gcc (sh-*-*): Add quoting to account for quirk of
5142 Replace == with = in enable_incomplete_targets test.
5144 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5145 with MASK_LITTLE_ENDIAN.
5147 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5148 * config/sh/sh.opt: Added to some comments.
5149 * config/sh/superh.h: Removed some chaff.
5151 * config/sh/sh.opt: Add m4-[1234]00* options.
5152 * config/sh/sh.c (sh_handle_option): Likewise.
5153 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5154 (ic_invalidate_array_4-100.o): New rule.
5155 ($(T)libic_invalidate_array_4-100.a): Likewise.
5156 (ic_invalidate_array_4-200.o): Likewise.
5157 ($(T)libic_invalidate_array_4-200.a): Likewise.
5158 (ic_invalidate_array_4a.o): Likewise.
5159 ($(T)libic_invalidate_array_4a.a): Likewise.
5160 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5161 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5163 * config/sh/crt1.asm: Merged in profiling code.
5164 * config/sh/superh.h (STARTFILE_SPEC): Override.
5165 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5166 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5167 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5169 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5170 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5171 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5173 * sh.opt (mpretend-cmove): New option.
5174 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5175 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5176 (movsicc): Add TARGET_PRETEND_CMOVE code.
5178 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5180 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5181 s390_class_max_nregs): New function prototypes.
5182 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5183 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5184 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5185 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5187 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5189 * dwarf2out.c (add_location_or_const_value_attribute): Call
5190 tree_add_const_value_attribute if nothing else works.
5191 (reference_to_unused): New.
5192 (rtl_for_decl_init): Use reference_to_unused to decide whether
5193 to output an initializer.
5195 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5198 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5199 peephole removing spe frob_di_df_2.
5201 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5203 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5204 (subscript_dependence_tester_1): Declared.
5205 (print_dir_vectors, print_dist_vectors): New.
5206 (debug_data_dependence_relation): New.
5207 (dump_data_dependence_relation): Print more details.
5208 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5209 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5210 (save_dist_v, save_dir_v, add_outer_distances,
5211 build_classic_dist_vector_1): New.
5212 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5213 Don't test for lambda_vector_lexico_pos.
5214 (same_access_functions, add_multivariate_self_dist,
5215 add_other_self_distances, dir_from_dist): New.
5216 (build_classic_dir_vector): Replace implementation almost identical to
5217 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5219 (subscript_dependence_tester_1): New.
5220 (subscript_dependence_tester): Handle the lexicographically negative
5221 distance vectors by recomputing the dependence relation.
5222 (compute_affine_dependence): Remove parameter loop_nest_depth.
5223 (compute_self_dependence): Don't call compute_subscript_distance.
5224 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5225 Add a parameter for the loop_nest.
5226 (find_loop_nest_1, find_loop_nest): New.
5227 (compute_data_dependences_for_loop): Compute the loop nest, and give
5228 up if the nest is not well formed.
5229 * tree-data-ref.h (loop_p): New.
5230 (struct data_dependence_relation): Replace size_vect field with
5231 loop_nest, a vec of loops.
5232 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5233 (DDR_LOOP_NEST): New.
5234 (print_dir_vectors, print_dist_vectors,
5235 debug_data_dependence_relation): Declared.
5236 (index_in_loop_nest): New.
5237 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5238 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5241 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5243 * simplify-rtx.c (simplify_relational_operation): Call
5244 simplify_relational_operation_1 even if mode is VOIDmode.
5246 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5248 PR tree-optimization/26804
5249 * tree.h (DECL_CALL_CLOBBERED): New macro.
5250 (tree_decl_common): Add call_clobbered_flag.
5251 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5252 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5253 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5254 (mark_non_addressable): Ditto.
5255 * tree-ssa.c (verify_call_clobbered): New function.
5256 (verify_alias_info): Use it.
5257 * tree-pass.h (pass_reset_cc_flags): New prototype.
5258 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5259 (reset_cc_flags): New function.
5260 * passes.c (init_optimization_passes): Call reset_cc_flags after
5261 initializing referenced_vars.
5263 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5264 Roger Sayle <roger@eyesopen.com>
5267 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5268 to 1.0 for non-real operands. Implement A / A optimization for
5271 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5273 * config/i386/i386.c (size_cost): Correct the comment for
5274 cost of storing fp registers.
5275 (i386_cost): Likewise.
5276 (i486_cost): Likewise.
5277 (pentium_cost): Likewise.
5278 (pentiumpro_cost): Likewise.
5279 (k6_cost): Likewise.
5280 (athlon_cost): Likewise.
5281 (k8_cost): Likewise.
5282 (pentium4_cost): Likewise.
5283 (nocona_cost): Likewise.
5284 (generic64_cost): Likewise.
5285 (generic32_cost): Likewise.
5287 2006-03-24 Denis Chertykov <denisc@overta.ru>
5289 * config/avr/avr-protos.h (extra_constraint): Delete.
5290 (extra_constraint_Q): New declaration.
5291 * config/avr/constraints.md: New file.
5292 * config/avr/avr.md: Include it.
5293 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5294 (TMP_REGNO, ZERO_REGNO): Likewise.
5295 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5296 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5297 (extra_constraint): Delete.
5298 (extra_constraint_Q): Test for memory constraint 'Q'.
5299 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5300 (REG_CLASS_FROM_LETTER): Delete.
5301 (CONST_OK_FOR_LETTER_P): Delete.
5302 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5303 (EXTRA_CONSTRAINT): Delete.
5304 (TMP_REGNO): Delete.
5305 (ZERO_REGNO): Delete.
5307 2006-03-24 Jeff Law <law@redhat.com>
5309 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5310 directly. Call mark_new_vars_to_rename slightly earlier.
5312 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5314 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5316 (gen_compile_unit_die): Use new language types for Objective-C and
5318 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5319 DW_LANG_C_plus_plus.
5322 * config/t-darwin (crt3.o): Work around bug 26840.
5323 * config/darwin-crt3.c: Rewrite.
5324 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5326 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5328 * doc/invoke.texi: Document -femit-class-debug-always
5329 * common.opt: Add -femit-class-debug-always.
5331 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5333 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5334 index and base register.
5335 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5336 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5337 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5338 REGNO_OK_FOR_INDEX_P.
5339 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5341 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5342 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5343 REG_OK_FOR_BASE_P): Definitions removed.
5345 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5348 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5349 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5350 set yet or weren't marked as local yet.
5352 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5354 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5357 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5359 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5360 (rs6000_legitimate_small_data_p): Delete.
5361 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5362 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5363 and make static. Add forward declaration. Update uses.
5364 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5365 of offsettable_memref_p.
5366 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5367 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5369 2006-03-24 Jeff Law <law@redhat.com>
5371 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5372 around bug in immediate-use iterator.
5374 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5377 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5378 or __LITTLE_ENDIAN__.
5380 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5382 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5383 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5384 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5385 * config/sh/sh.opt (mdiv=): Amend description.
5386 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5387 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5388 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5389 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5390 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5391 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5392 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5393 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5394 TARGET_DIVIDE_CALL_FP.
5396 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5398 * haifa-sched.c (choose_ready): Fix type of the local variable.
5399 Move local variables. Add comment.
5400 (check_reg_live): Change signature. Make callable from debugger.
5401 * sched-int.h (check_reg_live): Update signature.
5402 * sched-ebb.c (check_reg_live): Update parameters.
5403 * sched-rgn.c (check_reg_live): Ditto.
5404 (region_head_or_leaf_p): Check pointer before dereferencing.
5405 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5406 before reload on optimization levels below 1.
5408 2006-03-23 Richard Henderson <rth@redhat.com>
5410 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5414 * config/alpha/predicates.md (local_symbolic_operand): Reject
5417 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5420 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5421 expressions which have overflowed constants.
5423 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5425 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5427 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5429 * cfgloopmanip.c (create_loop_notes): Removed.
5430 * final.c (final_scan_insn): Do not handle loop notes.
5431 * jump.c (squeeze_notes): Ditto.
5432 * cfglayout.c (skip_insns_after_block,
5433 duplicate_insn_chain): Ditto.
5434 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5436 * cfgloop.h (create_loop_notes): Declaration removed.
5438 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5440 * varasm.c (output_constant_pool): Restore fnname and fndecl
5442 (assemble_start_function): Adjust call accordingly.
5443 (assemble_end_function): Likewise.
5445 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5448 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5451 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5453 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5456 * system.h (ICE_EXIT_CODE): New macro.
5457 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5458 (diagnostic_action_after_output): Likewise.
5459 * gcc.c (fatal_ice): New function.
5460 (execute): Use it instead of fatal.
5461 (fancy_abort): Likewise.
5462 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5464 2006-03-22 Jeff Law <law@redhat.com>
5466 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5467 iv_analyze_result returning false.
5469 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5471 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5473 2006-03-22 Richard Henderson <rth@redhat.com>
5476 * except.c (duplicate_eh_regions_0): New.
5477 (duplicate_eh_region_1): Duplicate the children of the node as
5478 well as the node itself. Link them up properly.
5479 (duplicate_eh_region_2): Merge into ...
5480 (duplicate_eh_regions): ... here. Take copy_region argument, and
5481 copy only a sub-tree if asked. Simplify copying and fixup.
5482 (eh_region_outer_p): New.
5483 * except.h (duplicate_eh_regions): Update decl.
5484 (eh_region_outer_p): Declare.
5485 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5486 (lower_omp_master): Likewise.
5487 (lower_omp_ordered): Likewise.
5488 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5489 (move_stmt_r): Use it to remap labels. Handle recursion vs
5490 remap_decls_p properly.
5491 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5492 (find_outermost_region_in_block): New.
5493 (new_label_mapper): New.
5494 (move_sese_region_to_fn): Copy eh information to the new function
5496 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5498 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5501 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5503 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5504 into shared libraries.
5506 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5508 * doc/md.texi: Refer to i386/constraints.md instead of
5510 * config/i386/constraints.md: New file, extracted from...
5511 * config/i386/predicates.md: ...here.
5512 * config/i386/i386.md: Include constraints.md.
5514 2006-03-21 Jason Merrill <jason@redhat.com>
5516 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5519 * expr.c (init_block_move_fn): Force default visibility.
5520 (init_block_clear_fn): Likewise.
5521 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5522 * targhooks.c (default_external_stack_protect_fail): Likewise.
5524 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5526 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5527 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5528 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5529 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5530 (loadgp): Use mips_current_loadgp_style.
5531 (loadgp_noshared): New pattern.
5532 (sibcall_internal): Use MIPS_CALL.
5533 (sibcall_value_internal): Likewise.
5534 (sibcall_value_multiple_internal): Likewise.
5535 (call_internal): Likewise.
5536 (call_value_internal): Likewise.
5537 (call_value_multiple_internal): Likewise.
5538 (call_split): Use MIPS_CALL and add an 'S' constraint.
5539 (call_value_split): Likewise.
5540 (call_value_multiple_split): Likewise.
5541 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5542 (-mshared): New option.
5543 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5544 (mips_current_loadgp_style): Declare.
5545 * config/mips/mips.c (mips_classify_symbol): Avoid using
5546 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5547 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5548 TARGET_ABSOLUTE_ABICALLS.
5549 (override_options): Adjust comments. Improve the warning that is
5550 issued when -mabicalls and -G are used together.
5551 (mips_file_start): Remove comment.
5552 (mips_current_loadgp_style): New function.
5553 (mips_gnu_local_gp): New variable.
5554 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5556 (mips_output_function_prologue): Use mips_current_laodgp_style.
5557 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5558 the cprestore instruction.
5559 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5560 live for TARGET_ABSOLUTE_ABICALLS.
5561 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5562 (ASM_SPEC): Pass down -mshared and -mno-shared.
5563 (MIPS_CALL): New macro.
5564 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5566 * doc/invoke.texi (-mabicalls): Update documentation.
5567 (-mshared): Document.
5569 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5571 * config/ia64/unwind-hpux.c: New file.
5572 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5574 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5577 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5579 2006-03-21 Jeff Law <law@redhat.com>
5581 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5582 type conversions of a VR_VARYING source to a wider type.
5584 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5586 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5587 tm_file on Solaris 10 and later.
5588 (sparc64-*-solaris2*): Likewise.
5589 (sparc-*-solaris2*): Likewise.
5590 * config/sol26.h: Rename to config/sol2-6.h.
5591 * config/sol2-10.h: New file.
5593 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5596 * tree-ssa-pre.c (create_component_ref_by_pieces):
5599 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5602 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5603 return it immediately.
5605 2006-03-21 Michael Matz <matz@suse.de>
5607 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5609 (remove_arc, add_arc): Update num_out_arcs member.
5610 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5612 (cache_presence): New function.
5613 (compare_states_for_equiv): New function.
5614 (state_is_differed): Don't take number of outargs, adjust callers.
5615 Use new invariant for speeding up.
5616 (init_equiv_class): Create initial classes based on sorted
5618 (partition_equiv_class): Don't track out_arcs_num.
5619 (evaluate_equiv_classes): Call cache_presence on all states and
5622 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5624 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5625 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5626 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5627 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5629 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5630 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5631 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5632 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5633 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5635 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5636 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5637 (REGNO_REG_CLASS): ARGP is in PREGS.
5638 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5640 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5641 to deal with those addresses.
5642 * addresses.h: New file.
5643 * caller-save.c: Include "addresses.h".
5644 (init_caller_save): Use new base_reg_class function.
5645 * rtl-factoring.c: Include "addresses.h".
5646 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5647 * recog.c: Include "addresses.h".
5648 (preprocess_constraints): Use new base_reg_class function.
5649 * regrename.c: Include "addresses.h".
5650 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5651 functions. Keep track of a new var INDEX_CODE to compute valid
5653 (replace_oldest_value_addr): Likewise.
5654 (replace_oldest_value_mem): Use base_reg_class.
5655 * reload.c: Include "addresses.h".
5656 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5657 (find_reloads): Use new base_reg_class function.
5658 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5659 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5660 all callers and prototype changed.
5661 * reload1.c: Include "addresses.h".
5662 (maybe_fix_stack_asms): Use base_reg_class.
5663 * regclass.c: Include "addresses.h".
5664 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5665 (init_reg_autoinc): Use new base_reg_class function.
5666 (record_reg_classes): Likewise.
5667 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5668 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5669 Use new args to compute necessary class.
5671 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5672 regrename.o, rtl-factoring.o): Update dependencies.
5673 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5674 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5675 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5676 REG_OK_FOR_INDEX_P): Delete documentation.
5678 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5680 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5681 from V7 to V9 for Solaris 7 and above.
5683 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5685 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5686 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5687 argument pointers may not alias any other storage.
5688 * common.opt: Define option -fargument-noalias-anything.
5689 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5690 alias semantics is specified by flag_argument_noalias > 2.
5692 2006-03-20 Jeff Law <law@redhat.com>
5694 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5695 (pass_phi_only_cprop): Declare.
5696 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5698 * tree-ssa-dom.c (degenerate_phi_result): New function.
5699 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5700 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5701 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5702 (eliminate_degenerate_phis): Likewise.
5703 (pass_phi_only_cprop): New pass descriptor.
5704 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5705 support code. Callers updated.
5706 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5707 (store_copy_prop): Likewise.
5708 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5710 2006-03-20 Jason Merrill <jason@redhat.com>
5713 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5714 (push_visibility, pop_visibility): Likewise.
5715 * c-pragma.h: Declare them.
5717 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5719 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5721 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5722 parameter and use get_ebb_head_tail.
5723 (sh_md_init_global): Adjust uses of find_regmode_weight.
5725 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5727 * function.h (struct function) <x_tail_recursion_reentry>:
5728 Rename to x_stack_check_probe_note.
5729 (tail_recursion_reentry): Rename to stack_check_probe_note.
5730 * function.c: Replace tail_recursion_reentry with
5731 stack_check_probe_note everywhere.
5732 (expand_function_start): Only emit a note for
5733 stack_check_probe_note with -fstack-protect.
5734 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5736 * emit-rtl.c (remove_unnecessary_notes): Remove.
5737 (pass_remove_unnecessary_notes): Remove.
5738 * rtl.h (remove_unnecessary_notes): Remove prototype.
5739 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5740 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5741 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5743 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5746 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5747 (valid_in_set): Handle ARRAY_REF.
5748 Change "if min_variant or VH" to asserts.
5749 (create_component_ref_by_pieces): Handle ARRAY_REF.
5750 (create_expression_by_pieces): Likewise.
5751 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5753 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5755 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5756 is operand of switch, not str[0].
5758 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5760 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5761 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5763 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5765 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5766 end of insn_extra_address_constraint declaration.
5768 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5770 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5771 (no-sum-in-toc): Same.
5772 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5774 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5775 NO_FP_IN_TOC for -fPIC instead of mask.
5777 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5778 (BOOT_LDFLAGS): Delete.
5780 * config/rs6000/t-aix52: Same.
5782 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5783 (stmsi[345678]_power): New.
5785 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5787 * config/ia64/ia64.opt: Add empty line to end of file.
5789 2006-03-17 Richard Guenther <rguenther@suse.de>
5792 * builtins.c (get_pointer_alignment): For component style references
5793 adjust alignment to the component type alignment. Make sure
5794 to adjust alignment for component access of constants.
5796 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5798 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5801 2006-03-17 Paul Brook <paul@codesourcery.com>
5803 * doc/install.texi: Docuemnt --with-mode.
5804 * config.gcc: Add --with-mode for arm*-*-*.
5805 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5807 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5809 * sh.c (max_labelno_before_reorg): New variable.
5810 (sh_reorg): Initialize it.
5811 (find_barrier): Check max_labelno_before_reorg before using
5812 label_to_alignment. Take length of explicit alignment insns
5813 into account. When seeing a UNSPECV_CONST_END, return it.
5815 * sh.c (fixup_mova): Set mode of affected label to QImode.
5816 (untangle_mova): New function.
5817 (find_barrier): Use it. Check mode of label before decrementing
5819 (sh_reorg): Likewise.
5820 Set mode of all insns back to VOIDmode.
5822 * sh.c (MOVA_LABELREF): New macro.
5823 (mova_p, fixup_mova, sh_reorg): Use it.
5824 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5825 ADDR_DIFF_VEC matches mova.
5827 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5829 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5830 with ATTRIBUTE_UNUSED.
5832 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5834 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5835 pointer, instead of assuming it is possible to derive the
5836 correct args size from a call insn.
5838 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5840 * rtl.h (CONST_INT_P): Define.
5841 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5842 instead of GET_CODE(x) == CONST_INT.
5843 (vax_rtx_costs): Likewise.
5844 (vax_output_int_move): Likewise.
5845 (vax_output_int_add): Likewise.
5846 (legitimate_constant_address_p): Likewise.
5847 (index_term_p): Likewise.
5848 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5849 * config/vax/vax.md (and<mode>3): Likewise.
5850 (ashrsi3): Likewise.
5852 (movstricthi): Likewise.
5853 (movstrictqi): Likewise.
5854 (rotrsi3): Likewise.
5855 (five unnamed insns): Likewise.
5857 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5859 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5860 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5861 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5862 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5863 Pass to ASM_OUTPUT_DWARF_OFFSET.
5864 * dwarf2out.c (debug_frame_section): New.
5865 (output_call_frame_info): Use debug_frame_section. Pass it to
5866 dw2_asm_output_offset.
5867 (output_die): Pass appropriate section to dw2_asm_output_offset.
5868 (output_compilation_unit_header): Likewise.
5869 (output_pubnames): Likewise.
5870 (output_aranges): Likewise.
5871 (enum dw_val_class): Break dw_val_class_lbl_offset into
5872 dw_val_class_lineptr and dw_val_class_macptr.
5873 (add_AT_lbl_offset): Delete.
5874 (add_AT_lineptr): New.
5875 (add_AT_macptr): New.
5876 (AT_lbl): Expect a lineptr or macptr.
5877 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5878 (attr_checksum): Likewise.
5879 (same_dw_val_p): Likewise.
5880 (size_of_die): Likewise.
5881 (value_format): Likewise.
5882 (output_die): Likewise.
5883 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5885 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5886 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5887 * config/darwin-protos.h (darwin_file_start): New.
5888 (darwin_asm_output_dwarf_offset): New.
5889 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5890 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5892 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5893 if not EH section; simplify.
5894 (darwin_file_start): New.
5895 (darwin_asm_output_dwarf_offset): New.
5896 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5898 (DEBUG_INFO_SECTION): Likewise.
5899 (DEBUG_ABBREV_SECTION): Likewise.
5900 (DEBUG_ARANGES_SECTION): Likewise.
5901 (DEBUG_MACINFO_SECTION): Likewise.
5902 (DEBUG_LINE_SECTION): Likewise.
5903 (DEBUG_LOC_SECTION): Likewise.
5904 (DEBUG_PUBNAMES_SECTION): Likewise.
5905 (DEBUG_STR_SECTION): Likewise.
5906 (DEBUG_RANGES_SECTION): Likewise.
5907 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5908 (ASM_OUTPUT_DWARF_OFFSET): New.
5910 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5912 * config.gcc (tm_defines): Always add to previous value rather
5915 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5917 * config/mips/predicates.md (splittable_const_int_operand): New,
5918 split from move_operand.
5919 (splittable_symbolic_operand): New.
5920 (move_operand): Add commentary. Use splittable_const_int_operand.
5921 Inline mips_atomic_symbolic_constant_p.
5922 * config/mips/mips.md: Add combine splitters for handling moves
5923 of splittable_const_int_operands and splittable_symbolic_operands.
5924 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5925 (mips_split_symbol): Declare.
5926 (mips_move_integer): Declare.
5927 * config/mips/mips.c (mips_split_p): Make global.
5928 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5929 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5930 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5931 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5932 (mips_offset_within_object_p): Handle block symbols.
5933 (mips_atomic_symbolic_constant_p): Delete.
5934 (mips_cannot_force_const_mem): Return false for constants that
5935 mips_legitimize_move can handle.
5936 (mips_use_blocks_for_constant_p): New function.
5937 (mips_split_symbol): Make global.
5938 (mips_move_integer): Likewise. Add a temporary register argument.
5939 (mips_legitimize_const_move): Use splittable_const_int_operand and
5940 splittable_symbolic_operand.
5941 (mips_use_anchors_for_symbol_p): New function.
5942 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5943 (mips_split_p): Declare.
5945 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5947 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5948 (mips*-*-linux*): Likewise.
5950 2006-03-16 Roger Sayle <roger@eyesopen.com>
5951 Daniel Speyer <dspeyer@wam.umd.edu>
5954 * tree-dump.c (dump_real): New function.
5955 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5956 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5957 (tree-dump.o): Add $(REAL_H) to the dependencies.
5959 2006-03-16 Roger Sayle <roger@eyesopen.com>
5962 * real.c (real_from_string): If the mantissa is zero, don't bother
5963 parsing the exponent as the result should always be zero.
5965 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5967 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5969 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5971 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5972 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5973 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5974 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5975 ia64_sched_finish_global): New static functions to implement
5976 hooks from gcc_target.sched.
5977 (spec_check_no, max_uid, pending_data_specs): New static variables.
5978 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5979 ia64_spec_check_src_p): New static functions.
5980 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5981 (TARGET_SCHED_ADJUST_COST): Removed.
5982 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5983 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5984 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5985 TARGET_SCHED_GEN_CHECK,
5986 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5987 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5988 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5989 Fixed to handle speculation checks.
5990 (rtx_needs_barrier): Fixed to handle speculative loads and
5992 (ia64_variable_issue): Added code to count speculative loads and their
5994 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5996 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5998 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6000 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6001 (ia64_reorg): Reset stops_p to NULL after it is freed.
6002 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6003 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6004 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6006 (data_speculative, control_speculative, check_load): New attributes.
6007 (mov<mode>_advanced, mov<mode>_speculative,
6008 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6009 zero_extend<mode>di2_speculative,
6010 zero_extend<mode>di2_speculative_advanced): New patterns for
6011 data and control speculative loads.
6012 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6014 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6015 New pattern for data and control speculation checks.
6016 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6017 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6018 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6019 Auxiliary definitions for the patterns.
6020 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6021 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6023 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6025 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6026 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6027 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6028 New resource constraints.
6029 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6031 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6032 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6033 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6034 msched-in-control-spec, msched-ldc, msched-control-ldc,
6035 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6036 msched-prefer-non-control-spec-insns,
6037 msched-count-spec-in-critical-path): New flags to tune speculative
6039 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6040 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6041 msched-in-control-spec, msched-ldc, msched-control-ldc,
6042 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6043 msched-prefer-non-control-spec-insns,
6044 msched-count-spec-in-critical-path): Document new flags.
6046 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6048 * target.h (struct spec_info_def): New opaque declaration.
6049 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6050 speculate_insn, needs_block_p, gen_check,
6051 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6052 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6053 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6054 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6055 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6056 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6058 (TARGET_SCHED): Use new macros.
6059 * rtl.h (copy_DEPS_LIST_list): New prototype.
6060 * sched-int.h (struct sched_info): Change signature of new_ready field,
6061 adjust all initializations. New fields: add_remove_insn,
6062 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6063 region_head_or_leaf_p.
6064 (struct spec_info_def): New structure declaration.
6065 (spec_info_t): New typedef.
6066 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6067 recovery_block, orig_pat.
6068 (glat_start, glat_end): New variables declaraions.
6069 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6071 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6072 DETACH_LIFE_INFO, USE_GLAT.
6073 (enum SPEC_SCHED_FLAGS): New enumeration.
6074 (NOTE_NOTE_BB_P): New macro.
6075 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6076 attach_life_info, debug_spec_status, check_reg_live): New functions.
6077 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6078 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6080 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6081 * ddg.c (get_block_head_tail): Adjust all uses.
6082 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6083 (sms_sched_info): Initialize new fields.
6084 (contributes_to_priority): Removed.
6085 * haifa-sched.c (params.h): New include.
6086 (get_block_head_tail): Adjust all uses.
6087 (ISSUE_POINTS): New macro.
6088 (glat_start, glat_end): New global variables.
6089 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6090 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6091 old_last_basic_block, before_recovery, current_sched_info_var,
6092 rgn_n_insns, luid): New static variables.
6093 (insn_cost1): New function. Move logic from insn_cost to here.
6094 (find_insn_reg_weight1): New function. Move logic from
6095 find_insn_reg_weight to here.
6096 (reemit_notes, move_insn, max_issue): Change signature.
6097 (move_insn1): Removed.
6098 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6099 extend_bb): New static functions to support extension of scheduler's
6101 (generate_recovery_code, process_insn_depend_be_in_spec,
6102 begin_speculative_block, add_to_speculative_block,
6103 init_before_recovery, create_recovery_block, create_check_block_twin,
6104 fix_recovery_deps): New static functions to support
6105 generation of recovery code.
6106 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6107 restore_bb_notes, move_block_after_check, move_succs): New static
6108 functions to support ebb scheduling.
6109 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6110 functions to support handling of register live information.
6111 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6112 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6113 add_jump_dependencies): New static functions.
6114 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6115 consistancy checking.
6116 (debug_spec_status): New function to call from debugger.
6117 (priority): Added code to handle speculation checks.
6118 (rank_for_schedule): Added code to distinguish speculative instructions.
6119 (schedule_insn): Added code to handle speculation checks.
6120 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6121 Fixed to handle ebbs.
6122 (move_insn): Added code to handle ebb scheduling.
6123 (max_issue): Added code to use ISSUE_POINTS of instructions.
6124 (choose_ready): Added code to choose between speculative and
6125 non-speculative instructions.
6126 (schedule_block): Added code to handle ebb scheduling and scheduling of
6127 speculative instructions.
6128 (sched_init): Initialize new variables.
6129 (sched_finish): Free new variables. Print statistics.
6130 (try_ready): Added code to handle speculative instructions.
6131 * lists.c (copy_DEPS_LIST_list): New function.
6132 * sched-deps.c (extend_dependency_caches): New function. Move logic
6133 from create_dependency_caches to here.
6134 (get_dep_weak, ds_merge): Make global.
6135 * genattr.c (main): Code to output prototype for
6136 dfa_clear_single_insn_cache.
6137 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6138 (output_dfa_clean_insn_cache_func): Code to output
6139 dfa_clear_single_insn_cache function.
6140 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6142 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6144 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6145 New static variables.
6146 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6147 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6149 (ebb_sched_info): Initialize new fields.
6150 (get_block_head_tail): Adjust all uses.
6151 (compute_jump_reg_dependencies): Fixed to use glat_start.
6152 (schedule_ebb): Code to remove unreachable last block.
6153 (schedule_ebbs): Added code to update register live information.
6154 * sched-rgn.c (region_sched_info): Initialize new fields.
6155 (get_block_head_tail): Adjust all uses.
6156 (last_was_jump): Removed. Adjust users.
6157 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6158 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6159 Implement new hooks.
6160 (check_dead_notes1): New static function.
6161 (struct region): New fields: dont_calc_deps, has_real_ebb.
6162 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6163 (BB_TO_BLOCK): Fixed to handle EBBs.
6164 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6165 (ebb_head): New static variable.
6166 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6167 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6169 (compute_dom_prob_ps): New assertion.
6170 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6171 global_live_at_start.
6172 (init_ready_list): New assertions.
6173 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6174 (new_ready): Add support for BEGIN_CONTROL speculation.
6175 (schedule_insns): Fixed code that updates register live information
6177 (schedule_region): Fixed to handle EBBs.
6178 (init_regions): Use extend_regions and check_dead_notes1.
6179 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6180 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6181 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6182 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6183 TARGET_SCHED_GEN_CHECK,
6184 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6185 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6186 * doc/invoke.texi (max-sched-insn-conflict-delay,
6187 sched-spec-prob-cutoff): Document.
6189 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6191 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6192 inter_tick, queue_index.
6193 (struct sched_info): Change signature of init_ready_list field.
6194 Adjust all initializations.
6195 (RESOLVED_DEPS): New access macro.
6196 (ready_add): Remove prototype.
6197 (try_ready): Add prototype.
6198 * sched-rgn.c (init_ready_list): Use try_ready.
6199 (schedule_region): Initialize
6200 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6201 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6202 (init_ready_list): Use try_ready.
6203 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6204 * lists.c (remove_list_elem): Remove `static'.
6205 (remove_free_INSN_LIST_elem): New function.
6206 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6207 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6208 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6210 (readyp): New variable.
6211 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6212 change_queue_index, resolve_dep): New static functions.
6213 (try_ready): New function. Adjust callers in sched-rgn.c and
6214 sched-ebb.c to use it instead of ready_add.
6215 (clock_var): Move at the begining of file.
6216 (rank_for_schedule): Fix typo.
6217 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6218 (ready_lastpos): Enforce assertion.
6219 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6221 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6222 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6223 (queue_to_ready): Use free_INSN_LIST_list.
6224 (early_queue_to_ready): Fix typo.
6225 (schedule_block): Init readyp. Move init_ready_list call after the
6226 initialization of clock_var. Fix error in rejecting insn by
6227 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6228 that previously corrected INSN_TICKs. Add code for handling
6230 (set_priorities): Fix typo.
6231 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6232 Clarify comment and code that keeps current_sched_info->next_tail
6235 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6237 * sched-rgn.c (extend_rgns): New static function.
6238 (find_rgns): Use it.
6239 (gather_region_statistics, print_region_statistics): New static
6241 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6242 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6244 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6245 Andrey Belevantsev <abel@ispras.ru>
6247 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6248 * lists.c (unused_deps_list): New variable.
6249 (free_list): Add assertions to verify the proper distinguishing
6250 between INSN_LISTs and DEPS_LISTs.
6251 (find_list_elem, remove_list_elem, remove_list_node): New static
6253 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6254 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6255 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6256 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6258 (free_INSN_LIST_node): Likewise.
6259 * modulo-sched.c (current_sched_info): Initialize flags field.
6260 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6261 * rtl.def (DEPS_LIST): Define.
6262 * rtl.h: Declare new functions from lists.c.
6263 * sched-deps.c (spec_dependency_cache): New static variable.
6264 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6265 (add_dependence): Change return type to void. Move the logic to ...
6266 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6267 (delete_all_dependences): Add comment about forward_dependency_cache.
6268 Handle spec_dependency_cache. Handle DEPS_LISTs.
6269 (fixup_sched_groups): Clarify the change of priority of output
6270 and anti dependencies.
6271 (sched_analyze_2): Adjust add_dependence calls to create data
6272 speculative dependence.
6273 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6274 Adjust all callers. Handle DEPS_LISTS.
6275 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6276 presence of speculation.
6277 (init_dependency_caches, free_dependency_caches):
6278 Handle spec_dependency_cache.
6279 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6280 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6281 New static functions.
6282 (add_or_update_back_dep, add_or_update_back_forw_dep,
6283 add_back_forw_dep, delete_back_forw_dep): New functions.
6284 * sched-int.h (ds_t, dw_t): New typedefs.
6285 (struct sched_info): Add new field flags.
6286 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6287 Prototype new sched-deps.c functions.
6288 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6289 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6290 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6291 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6292 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6293 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6295 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6297 * sched-rgn.c (current_sched_info): Initialize flags field.
6298 (schedule_insns): Initialize current_sched_info before the sched_init
6300 * sched-ebb.c (current_sched_info): Initialize flags field.
6301 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6302 Call add_or_update_back_dep instead of add_dependence.
6303 Create control speculative dependencies.
6304 (schedule_insns): Initialize current_sched_info before the sched_init
6307 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6309 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6311 (sh_fallback_frame_state): Likewise.
6313 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6315 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6316 Do switch on default_use_cxa_atexit.
6317 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6318 * config/darwin-crt3.o: New.
6319 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6320 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6321 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6323 * config/rs6000/t-darwin: Move crt2.o building to here.
6324 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6325 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6328 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6330 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6331 from '! xxx' to '!xxx' for coding-style conformance.
6332 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6333 (EXTRA_CONSTRAINT): Likewise.
6334 * config/vax/vax.md (four unnamed insns): Likewise.
6336 2006-03-15 Paul Brook <paul@codesourcery.com>
6338 * config/arm/arm.c (minipool_pad): New.
6339 (add_minipool_forward_ref): Include pool alignment padding in address
6341 (push_minipool_fix): Set minipool_pad.
6342 (minipool_pad): Ditto.
6344 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6346 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6347 instead of GET_CODE() == MEM and REG_P() instead of
6349 (print_operand_address): Likewise.
6350 (vax_address_cost): Likewise.
6351 (vax_rtx_costs): Likewise.
6352 (vax_notice_update_cc): Likewise.
6353 (vax_output_int_add): Likewise.
6354 (INDEX_REGISTER_P): Likewise.
6355 (BASE_REGISTER_P): Likewise.
6356 (nonindexed_address_p): Likewise.
6357 (vax_mode_dependent_address_p): Likewise.
6358 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6359 (PRINT_OPERAND): Likewise.
6360 * config/vax/vax.md (ashlsi3): Likewise.
6361 (ashlsi3): Likewise.
6362 (some more unnamed insns): Likewise.
6364 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6366 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6367 iterator-style macro.
6368 (mark_control_dependent_edges_necessary): Update the use of
6369 EXECUTE_IF_CONTROL_DEPENDENT.
6371 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6373 * config/sh/predicates.md (cache_address_operand): Special.
6374 (ua_address_operand): Likewise.
6376 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6378 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6380 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6382 2006-03-15 Andreas Schwab <schwab@suse.de>
6384 * gensupport.c (identify_predicable_attribute): Don't free p_false
6385 when it is still in use.
6387 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6389 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6390 the default setting here.
6392 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6394 * tree-pass.h (pass_cfg): Remove.
6395 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6396 * passes.c (pass_cfg): Don't run it.
6398 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6400 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6401 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6403 (stack_regs_mentioned): Update the uses of
6404 stack_regs_mentioned_data. Don't access the array beyond its
6406 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6407 Don't include gt-reg-stack.h.
6409 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6410 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6412 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6415 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6418 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6420 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6422 2006-03-14 Richard Guenther <rguenther@suse.de>
6424 PR tree-optimization/26672
6425 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6428 2006-03-14 Richard Guenther <rguenther@suse.de>
6430 PR tree-optimization/26667
6431 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6432 node for the callees. Always allow inlining if it will shrink
6435 2006-03-14 Richard Guenther <rguenther@suse.de>
6438 * builtins.c (get_pointer_alignment): Prefer alignment
6439 information from decls over that from types.
6441 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6444 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6446 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6448 * config/rs6000/rs6000.opt (mdlmzb): New option.
6449 (msched-prolog, msched-epilog): Use Var not Mask.
6450 * doc/invoke.texi (-mdlmzb): Document.
6451 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6453 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6454 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6456 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6458 PR rtl-optimization/25739
6459 * bt-load.c (augment_live_range): Free tos pointer.
6461 * gensupport.c (identify_predicable_attribute): Free
6463 * gcov.c (create_file_names): Free name pointer.
6465 2006-03-13 Roger Sayle <roger@eyesopen.com>
6468 * stmt.c (emit_case_nodes): Handle the case where the index is a
6469 CONST_INT, where the comparison mode is specified by the index type.
6471 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6473 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6476 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6478 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6479 (*branch_fp_inverted): Likewise.
6481 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6484 * omp-low.c (expand_omp_for_generic): Mark istart0
6485 and iend0 as addressable.
6487 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6489 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6491 2006-03-13 Jeff Law <law@redhat.com>
6493 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6494 virtual operands are interesting.
6495 (vrp_visit_stmt): Corresponding changes.
6497 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6499 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6501 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6502 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6503 * config/bfin/crti.S: Use it instead of __PIC__.
6504 * config/bfin/crtn.S: Likewise.
6506 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6507 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6509 Lose 'G' modifier for call operand.
6510 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6511 recognize 'G' modifier.
6513 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6516 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6517 * stmt.c (expand_case): Likewise.
6519 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6521 PR rtl-optimization/26254
6522 * loop-invariant.c (seq_insns_valid_p): New function.
6523 (move_invariant_reg): Only emit new code if it is valid.
6525 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6527 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6529 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6530 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6531 (commit_one_edge_insertion): Do not look for loop notes.
6533 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6535 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6536 flag_test_coverage out of loop.
6538 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6540 * final.c (shorten_branches): Remove outdated comment, and turn
6541 the if branch that guards it to continue.
6543 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6545 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6546 * cfgloop.h (struct loop): Remove unused fields.
6548 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6550 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6551 (-dL, -fdump-rtl-loop2): Update the dump file names
6553 * doc/invoke.texi: Update dump file names.
6555 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6557 * predict.c (estimate_probability): Remove.
6558 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6559 * basic-block.h (estimate_probability): Remove prototype.
6560 * passes.c (finish_optimization_passes): Dump branch prediction or
6561 profiling heuristics to the .profile tree dump.
6562 (init_optimization_passes): Unqueue pass_branch_prob.
6564 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6566 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6568 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6569 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6571 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6573 * function.h (frame_offset_overflow): Declare.
6574 * function.c (frame_offset_overflow): New function.
6575 (assign_stack_local_1): Call it to detect that the offset overflows.
6576 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6578 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6580 * config/sh/sh.c: Include alloc-pool.h.
6581 (label_ref_list_pool): New alloc pool.
6582 (label_ref_list_t): New type for lists of labels.
6583 (struct pool_node): Make wend a label_ref_list_t.
6584 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6586 (dump_table): Likewise.
6587 (sh_reorg): Set up the alloc pool before using add_constant and
6588 dump_table, and destroy it when finishing.
6590 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6592 * config/mips/mips.c: Remove redundant comment.
6594 2006-03-10 Jason Merrill <jason@redhat.com>
6597 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6598 the target was declared 'register'.
6600 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6602 * genpreds.c (write_insn_constraint_len): Change definition of
6603 insn_constraint_len to return size_t to match the declaration.
6605 2006-03-10 DJ Delorie <dj@redhat.com>
6607 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6609 (m32c_expand_insv): Fix test for an AND mask.
6611 2006-03-10 Richard Guenther <rguenther@suse.de>
6614 * builtins.c (get_pointer_alignment): Handle component
6615 references for field alignment.
6617 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6619 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6620 when building with libgloss.
6621 (sh*elf): Implement --without-fp option.
6622 (sh64-superh-linux*): Don't multilib.
6624 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6626 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6628 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6630 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6631 Set it when one of the replacement functions returned true.
6632 Return TODO_cleanup_cfg if cfgchanged is true.
6633 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6635 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6637 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6638 instead of gen_lowpart.
6640 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6642 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6644 (mips_output_order_conditional_branch): Declare.
6645 * config/mips/mips.h (MIPS_BRANCH): New macro.
6646 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6647 for the comparison. Use gen_condjump.
6648 (mips_output_conditional_branch): Rework interface to take the
6649 asm templates for a direct branch and the inverse of a direct branch.
6650 (mips_output_order_conditional_branch): New function.
6651 (mips_builtin_branch_and_move): New function.
6652 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6653 branch condition. Use gen_single_cc as the condition for
6654 __builtin_mips_upper_* or __builtin_mips_lower_*.
6655 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6656 Use VOIDmode for the branch condition.
6657 * config/mips/predicates.md (order_operator): New predicate.
6658 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6659 (branch_fp): Rename to...
6660 (*branch_fp): ...this. Remove mode from comparison operator.
6661 Use new mips_output_conditional_branch interface.
6662 (branch_fp_inverted): Rename to...
6663 (*branch_fp_inverted): ...this and update as for *branch_fp.
6664 (*branch_zero<mode>): Rename to...
6665 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6666 Use mips_output_order_conditional_branch. Only accept ordered
6668 (*branch_zero<mode>_inverted): Rename to...
6669 (*branch_order<mode>_inverted): ...this and update as for
6670 *branch_order<mode>.
6671 (*branch_equality<mode>): Accept zero as the second operand to
6672 the equality operator. Use the new mips_output_conditional_branch
6674 (*branch_equality<mode>_inverted): Likewise.
6675 (condjump): New expander.
6676 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6678 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6679 (bc1any2t, bc1any2f): Likewise.
6680 (single_cc): New expander.
6681 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6683 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6685 * doc/md.texi: Update documentation of MIPS constraints.
6686 * config/mips/constraints.md: New file.
6687 * config/mips/mips.md: Include it.
6688 * config/mips/mips.c (mips_char_to_class): Delete.
6689 (override_options): Don't initialize mips_char_to_class.
6690 * config/mips/mips.h (mips_char_to_class): Delete.
6691 (REG_CLASS_FROM_LETTER): Delete.
6692 (CONST_OK_FOR_LETTER_P): Delete.
6693 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6694 (EXTRA_CONSTRAINT_Y): Delete.
6695 (EXTRA_CONSTRAINT_STR): Delete.
6696 (CONSTRAINT_LEN): Delete.
6697 (EXTRA_MEMORY_CONSTRAINT): Delete.
6699 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6701 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6702 original fn's eh regions.
6704 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6706 * fold-const.c (build_range_check): Make sure to use a valid type to
6707 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6710 (range_predecessor): New static function.
6711 (range_successor): Likewise.
6712 (merge_ranges): Use them to compute predecessors and successors of
6715 2006-03-09 Roger Sayle <roger@eyesopen.com>
6718 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6719 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6721 2006-03-08 DJ Delorie <dj@redhat.com>
6723 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6724 (addpsi3): Expand to include memory operands. Remove
6725 reload-specific splits.
6726 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6727 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6728 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6729 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6730 (shift1_qi, shift1_hi, insv): New.
6731 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6732 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6733 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6735 * config/m32c/m32c-protos.h: Update as needed.
6736 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6737 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6738 Fail for unrecognized R* constraints.
6739 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6740 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6741 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6743 (m32c_init_libfuncs): New.
6744 (m32c_legitimate_address_p): Add debug wrapper.
6745 (m32c_rtx_costs): New.
6746 (m32c_address_cost): New.
6747 (conversions): Add 'B' prefix.
6748 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6749 operands, or word regnames for QI operands. 'B' prints bit
6751 (m32c_expand_setmemhi): New.
6752 (m32c_expand_movmemhi): New.
6753 (m32c_expand_movstr): New.
6754 (m32c_expand_cmpstr): New.
6755 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6756 (m32c_expand_neg_mulpsi3): Handle non-ints.
6757 (m32c_cmp_flg_0): New.
6758 (m32c_expand_movcc): New.
6759 (m32c_expand_insv): New.
6760 (m32c_scc_pattern): New.
6761 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6762 a0/a1 out of SIregs.
6763 (STORE_FLAG_VALUE): New.
6764 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6767 * config/m32c/mov.md: Make constraints more liberal.
6768 (zero_extendqihi2): Optimize r0/r1 case.
6769 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6770 * config/m32c/predicates.md (m32c_any_operand): New.
6771 (m32c_nonimmediate_operand): New.
6772 (m32c_hl_operand): New.
6773 (m32c_r3_operand): New.
6776 (memsym_operand): New.
6777 (memimmed_operand): New.
6778 (a_qi_operand): New.
6779 (m32c_eqne_operator): New.
6780 (m32c_1bit8_operand): New.
6781 (m32c_1bit16_operand): New.
6782 (m32c_1mask8_operand): New.
6783 (m32c_1mask16_operand): New.
6784 * config/m32c/blkmov.md: New file.
6785 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6787 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6789 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6790 unsigned to fix signed/unsigned comparison issue in
6791 DWARF2_FRAME_REG_OUT.
6792 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6793 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6795 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6796 of ptr into the ENABLE_CHECKING section.
6798 2006-03-08 Jeff Law <law@redhat.com>
6800 * tree-vrp.c (infer_value_range): Only count pointer uses
6801 and dereferences if -fdelete-null-pointer-checks is enabled.
6803 * tree-vrp.c (find_assert_locations): Infer value ranges for
6804 single use pointers, but do not create ASSERT_EXPRs for them.
6805 When a non-null range is inferred for a pointer, backwards
6806 propagate that range to other equivalent pointers through the
6809 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6812 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6813 language hook targets.
6814 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6815 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6816 if language hook targets were missing.
6818 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6820 * tree-ssa-opfinalize.h: Removed.
6821 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6823 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6824 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6825 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6826 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6827 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6828 finalize_ssa_v_must_def_ops): New.
6830 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6832 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6835 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6837 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6839 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6840 addresses with offsets; reorganize.
6842 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6843 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6844 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6846 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6849 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6851 2006-03-08 Ben Elliston <bje@au.ibm.com>
6853 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6855 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6858 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6861 2006-03-07 Richard Guenther <rguenther@suse.de>
6863 PR tree-optimization/26587
6864 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6866 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6868 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6870 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6872 * hooks.c (hook_bool_mode_rtx_true): New function.
6873 * hooks.h (hook_bool_mode_rtx_true): Declare.
6874 * toplev.c (compile_file): Call output_shared_constant_pool.
6875 * varasm.c (shared_constant_pool): New variable.
6876 (assemble_start_function, assemble_end_function): Remove arguments
6877 from call to output_constant_pool.
6878 (create_constant_pool): New function, split out from...
6879 (init_varasm_status): ...here.
6880 (force_const_mem): Choose between the shared and per-function constant
6881 pools. Set current_function_uses_const_pool when reusing old entries
6882 as well as when creating new ones.
6883 (mark_constant): Ignore data argument.
6884 (mark_constants): Remove pool argument.
6885 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6886 to decide whether the function uses a constant pool.
6887 (output_constant_pool_contents): New function, split out from...
6888 (output_constant_pool): ...here.
6889 (output_shared_constant_pool): New function.
6890 (init_varasm_once): Initialize shared_constant_pool.
6891 * output.h (output_constant_pool): Delete.
6892 (output_shared_constant_pool): Declare.
6893 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6894 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6896 2006-03-06 Nick Clifton <nickc@redhat.com>
6898 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6899 flag_strength_reduce.
6901 2006-03-06 Ben Elliston <bje@au.ibm.com>
6903 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6904 x86_64-*-linux* configurations.
6906 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6907 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6909 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6911 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6913 * basic-block.h: Remove the extern for
6914 rediscover_loops_after_threading.
6916 * cfgloop.c (cancel_loop): Make it static.
6917 * cfgloop.h: Remove the prototype for cancel_loop.
6919 * flow.c (recompute_reg_usage): Make it static.
6920 * rtl.h: Remove the prototype for recompute_reg_usage.
6922 * function.c (use_return_register): Make it static.
6923 * function.h: Remove the prototype.
6925 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6927 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6929 * recog.h: Remove the prototype for
6930 validate_change_maybe_volatile.
6932 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6934 * rtlanal.c (replace_reg): Remove.
6935 * rtl.h: Remove the prototype for replace_reg.
6937 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6939 * regclass.c (reg_scan_update): Remove.
6940 (reg_scan_mark_refs): Remove the last argument.
6941 * rtl.h: Remove the prototype for reg_scan_update.
6943 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6945 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6946 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6947 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6948 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6949 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6950 loop-invariant.c, omp-low.c, opts.c, passes.c,
6951 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6952 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6953 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6954 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6955 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6956 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6958 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6960 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6961 * dwarf2out.h: Remove the prototype for
6962 dwarf2out_add_library_unit_info.
6964 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6966 * tree.c (add_var_to_bind_expr): Remove.
6967 * tree.h: Remove the prototype for add_var_to_bind_expr.
6969 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6971 * regclass.c (n_non_fixed_regs): Remove.
6972 (init_reg_sets_1, globalize_reg): Remove all uses of
6974 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6976 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6978 * rtlanal.c (insns_safe_to_move_p): Remove.
6979 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6981 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6983 * expmed.c (expand_mult_add): Remove.
6984 * expr.h: Remove the prototype for expand_mult_add.
6986 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6988 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6989 and REG_SAVED_VAL_EXP constants.
6990 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6991 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6992 Handle regs stored by value.
6993 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6994 (execute_cfa_program): Handle DW_CFA_val_offset,
6995 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6996 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6997 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6998 (uw_install_context_1): Handle target regs stored by value.
7000 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7002 * tree-sra.c (tree_sra): Return todoflags;
7003 (generate_one_element): Set TODO_update_smt_usage if needed.
7004 (pass_sra): Remove TODO_update_smt_usage.
7005 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7007 (tree_ssa_forward_propagate_single_use_vars): Return
7008 TODO_update_smt_usage if we need to update SMT usage.
7009 (pass_forwprop): Remove TODO_update_smt_usage.
7011 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7013 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7014 (correct_use_link): Remove reference to get_stmt_operands.
7015 (update_stmt_operands): Likewise.
7016 (get_modify_expr_operands): New function factored out of
7017 parse_ssa_operands and get_expr_operands.
7018 Try to create V_MUST_DEFs for LHS by default.
7019 (get_expr_operands) <case MODIFY_EXPR>: Call
7020 get_modify_expr_operands.
7021 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7022 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7023 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7024 get_modify_expr_operands.
7026 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7028 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7029 * tree-flow.h: Remove the prototype for
7030 referenced_var_lookup_if_exists.
7032 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7034 PR rtl-optimization/26345
7036 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7038 2006-03-03 Roger Sayle <roger@eyesopen.com>
7040 PR tree-optimization/26524
7041 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7042 fold_convert to create a constant of the appropriate type.
7044 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7046 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7047 SYMBOL_REF_IN_BLOCK_P.
7048 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7049 of SYMBOL_FLAG_IN_BLOCK.
7050 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7051 instead of SYMBOL_REF_IN_BLOCK_P.
7052 * explow.c (use_anchored_address): Likewise.
7053 * rtl.c (rtx_size): Likewise.
7054 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7055 instead of SYMBOL_FLAG_IN_BLOCK.
7056 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7057 SYMBOL_REF_IN_BLOCK_P.
7058 (assemble_variable): Likewise.
7059 (output_constant_def_contents): Likewise.
7060 (output_constant_pool): Likewise.
7061 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7062 instead of SYMBOL_FLAG_IN_BLOCK.
7063 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7064 SYMBOL_REF_IN_BLOCK_P.
7065 (SYMBOL_REF_BLOCK): Likewise.
7066 (SYMBOL_REF_OFFSET): Likewise.
7067 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7068 SYMBOL_REF_IN_BLOCK_P.
7069 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7070 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7071 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7072 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7074 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7076 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7078 2006-03-02 Roger Sayle <roger@eyesopen.com>
7080 * simplify-rtx.c (simplify_unary_operation): When simplifying
7081 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7082 that we perform the right shift in the appropriate mode, and
7083 then extend or truncate the result to requested mode.
7085 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7087 * gengtype.c (main): Handle double_int type.
7088 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7089 * double-int.c: New file.
7090 * double-int.h: New file.
7091 * system.h: Include doubleint.h.
7092 * Makefile.in (SYSTEM_H): Include double-int.h.
7093 (double-int.o): Add.
7095 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7098 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7101 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7103 * tree-vrp.c (remove_range_assertions): Do not update statements
7106 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7108 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7110 * gcse.c (rest_of_handle_gcse): Ditto.
7111 * except.c (gate_handle_eh): Ditto.
7112 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7113 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7115 2006-03-02 Eric Christopher <echristo@apple.com>
7117 * config/i386/i386.c (machopic_output_stub): Add indirection to
7120 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7124 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7126 Sun Niagara specific optimizations.
7127 * config.gcc: Recognize niagara as target.
7128 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7129 (TARGET_CPU_niagara): Define.
7130 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7131 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7132 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7133 (ASM_CPU_SPEC): Likewise.
7134 (PROCESSOR_NIAGARA): New enum entry.
7135 (REGISTER_MOVE_COST): Handle Niagara.
7136 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7137 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7138 (sparc_override_options): Recognize "niagara", set appropriate
7139 default MASK_* values for it, and align functions to 32-bytes
7140 by default just like ULTRASPARC/ULTRASPARC3.
7141 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7142 (sparc64_initialize_trampoline): Likewise.
7143 (sparc_use_sched_lookahead): Use zero for niagara.
7144 (sparc_issue_rate): Use one for niagara.
7145 * config/sparc/niagara.md: New file.
7146 * config/sparc/sparc.md: Include it.
7147 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7148 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7149 when default cpu is niagara.
7150 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7151 (ASM_CPU_SPEC): Likewise.
7152 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7153 when default cpu is niagara.
7154 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7155 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7156 just like v9/ultrasparc/ultrasparc3.
7157 * doc/invoke.texi: Add documentation for "niagara" and improve
7158 existing documentation for ultrasparc variants.
7160 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7162 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7164 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7166 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7167 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7168 and say that only one is needed.
7169 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7170 * target.h (have_switchable_bss_sections): New hook.
7171 * explow.c (use_anchored_address): Check that the symbol is in a block.
7172 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7173 (bss_noswitch_section): New variables.
7174 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7175 (get_noswitch_section): New function.
7176 (get_block_for_section): Allow SECT to be null.
7177 (unlikely_text_section_p): Use SECTION_STYLE.
7178 (bss_initializer_p): New function.
7179 (get_variable_section): Move earlier in file. Take a new argument,
7180 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7181 Return one of the new *_sections in such cases.
7182 (get_block_for_decl): New function, extracting some logic from
7183 use_blocks_for_decl_p.
7184 (change_symbol_section): Remove in favor of...
7185 (change_symbol_block): ...this new function.
7186 (use_blocks_for_decl_p): Remove checks now performed by
7188 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7189 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7190 (emit_local, emit_bss, emit_common): ...these new functions.
7191 Return true if the alignment was honored.
7192 (emit_tls_common): New function.
7193 (asm_emit_uninitialised): Delete.
7194 (assemble_variable_noswitch): New function, split out from...
7195 (assemble_variable): ...here. Don't make decisions about common
7196 variables here. Globalize all public decls that go into non-common
7197 sections. Check whether SYMBOL_REF_BLOCK is null.
7198 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7199 (output_constant_pool): Likewise.
7200 (init_varasm_once): Initialize the new section variables.
7201 (have_global_bss_p): New function.
7202 (categorize_decl_for_section): Use bss_initializer_p.
7203 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7204 (place_block_symbol): Assert that the symbol must be in a block.
7205 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7206 (TARGET_INITIALIZER): Include it.
7207 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7208 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7209 (SECTION_MACH_DEP): Bump by two.
7210 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7211 (unnamed_section): Mention SECTION_UNNAMED in comment.
7212 (named_section): Likewise SECTION_NAMED.
7213 (noswitch_section_callback): New type.
7214 (noswitch_section): New structure.
7215 (section): Add a noswitch_section alternative.
7216 (SECTION_STYLE): New macro.
7217 (tls_comm_section, comm_section, lcomm_section): Declare.
7218 (bss_noswitch_section, have_global_bss_p): Declare.
7219 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7220 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7222 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7223 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7226 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7228 * tree-vrp.c (execute_vrp): Return value.
7229 * regrename.c (rest_of_handle_regrename): Ditto.
7230 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7231 * tree-complex.c (tree_lower_complex): Ditto.
7232 (tree_lower_complex_O0): Ditto.
7233 * tracer.c (rest_of_handle_tracer): Ditto.
7234 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7235 * postreload.c (rest_of_handle_postreload): Ditto.
7236 * tree-tailcall.c (execute_tail_recursion): Ditto.
7237 (execute_tail_calls): Ditto.
7238 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7239 * tree.h (init_function_for_compilation): Ditto.
7240 * ipa-cp.c (ipcp_driver): Ditto.
7241 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7242 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7243 * final.c (compute_alignments): Ditto.
7244 (rest_of_handle_final): Ditto.
7245 (rest_of_handle_shorten_branches): Ditto.
7246 (rest_of_clean_state): Ditto.
7247 * omp-low.c (execute_expand_omp): Ditto.
7248 (execute_lower_omp): Ditto.
7249 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7250 * ipa-reference.c (static_execute): Ditto.
7251 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7252 * reorg.c (rest_of_handle_delay_slots): Ditto.
7253 (rest_of_handle_machine_reorg): Ditto.
7254 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7255 * flow.c (recompute_reg_usage): Ditto.
7256 (rest_of_handle_remove_death_notes): Ditto.
7257 (rest_of_handle_life): Ditto.
7258 (rest_of_handle_flow2): Ditto.
7259 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7260 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7261 (do_ssa_store_ccp): Ditto.
7262 (execute_fold_all_builtins): Ditto.
7263 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7264 * modulo-sched.c (rest_of_handle_sms): Ditto.
7265 * ipa-pure-const.c (static_execute): Ditto.
7266 * cse.c (rest_of_handle_cse): Ditto.
7267 (rest_of_handle_cse2): Ditto.
7268 * web.c (rest_of_handle_web): Ditto.
7269 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7270 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7271 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7272 * tree-nrv.c (tree_nrv): Ditto.
7273 (execute_return_slot_opt): Ditto.
7274 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7275 (create_structure_vars): Ditto.
7276 * loop-init.c (rtl_loop_init): Ditto.
7277 (rtl_loop_done): Ditto.
7278 (rtl_move_loop_invariants): Ditto.
7279 (rtl_unswitch): Ditto.
7280 (rtl_unroll_and_peel_loops): Ditto.
7281 (rtl_doloop): Ditto.
7282 * gimple-low.c (lower_function_body): Ditto.
7283 (mark_used_blocks): Ditto.
7284 * tree-ssa-sink.c (execute_sink_code): Ditto.
7285 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7286 (cgraph_early_inlining): Ditto.
7287 * global.c (rest_of_handle_global_alloc): Ditto.
7288 * jump.c (cleanup_barriers): Ditto.
7289 (purge_line_number_notes): Ditto.
7290 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7291 (rest_of_handle_if_after_reload): Ditto.
7292 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7293 (tree_ssa_loop_im): Ditto.
7294 (tree_ssa_loop_unswitch): Ditto.
7295 (tree_vectorize): Ditto.
7296 (tree_linear_transform): Ditto.
7297 (tree_ssa_loop_ivcanon): Ditto.
7298 (tree_ssa_empty_loop): Ditto.
7299 (tree_ssa_loop_bounds): Ditto.
7300 (tree_complete_unroll): Ditto.
7301 (tree_ssa_loop_prefetch): Ditto.
7302 (tree_ssa_loop_ivopts): Ditto.
7303 (tree_ssa_loop_done): Ditto.
7304 * predict.c (tree_estimate_probability): Ditto.
7305 * recog.c (split_all_insns_noflow): Ditto.
7306 (rest_of_handle_peephole2): Ditto.
7307 (rest_of_handle_split_all_insns): Ditto.
7308 * tree-eh.c (lower_eh_constructs): Ditto.
7309 * regmove.c (rest_of_handle_regmove): Ditto.
7310 (rest_of_handle_stack_adjustments): Ditto.
7311 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7312 * function.c (instantiate_virtual_regs): Ditto.
7313 (init_function_for_compilation): Ditto.
7314 (rest_of_handle_check_leaf_regs): Ditto.
7315 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7316 (rest_of_handle_gcse): Ditto.
7317 * ipa-type-escape.c (type_escape_execute): Ditto.
7318 * alias.c (rest_of_handle_cfg): Ditto.
7319 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7320 * profile.c (rest_of_handle_branch_prob): Ditto.
7321 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7322 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7323 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7324 * tree-dfa.c (find_referenced_vars): Ditto.
7325 * except.c (set_nothrow_function_flags): Ditto.
7326 (convert_to_eh_region_ranges): Ditto.
7327 (rest_of_handle_eh): Ditto.
7328 * emit-rtl.c (unshare_all_rtl): Ditto.
7329 (remove_unnecessary_notes): Ditto.
7330 * except.h (set_nothrow_function_flags): Ditto.
7331 (convert_to_eh_region_ranges): Ditto.
7332 * cfgexpand.c (tree_expand_cfg): Ditto.
7333 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7334 * tree-ssa-pre.c (do_pre): Ditto.
7335 (execute_fre): Ditto.
7336 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7337 (rest_of_handle_jump2): Ditto.
7338 * tree-sra.c (tree_sra): Ditto.
7339 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7340 (execute_mudflap_function_decls): Ditto.
7341 * tree-ssa-copy.c (do_copy_prop): Ditto.
7342 (do_store_copy_prop): Ditto.
7343 * ipa-prop.h (ipcp_driver): Ditto.
7344 * cfglayout.c (insn_locators_initialize): Ditto.
7345 * tree-ssa-forwprop.c
7346 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7347 * cfglayout.h (insn_locators_initialize): Ditto.
7348 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7349 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7350 (execute_late_warn_uninitialized): Ditto.
7351 * rtl.h (cleanup_barriers): Ditto.
7352 (split_all_insns_noflow): Ditto.
7353 (purge_line_number_notes): Ditto.
7354 (unshare_all_rtl): Ditto.
7355 (remove_unnecessary_notes): Ditto.
7356 (recompute_reg_usage): Ditto.
7357 (variable_tracking_main): Ditto.
7358 * integrate.c (emit_initial_value_sets): Ditto.
7359 * integrate.h (emit_initial_value_sets): Ditto.
7360 * tree-optimize.c (execute_free_datastructures): Ditto
7361 (execute_free_cfg_annotations): Ditto.
7362 (execute_fixup_cfg): Ditto.
7363 (execute_cleanup_cfg_pre_ipa): Ditto.
7364 (execute_cleanup_cfg_post_optimizing): Ditto.
7365 (execute_init_datastructures): Ditto.
7366 * tree-object-size.c (compute_object_sizes): Ditto.
7367 * combine.c (rest_of_handle_combine): Ditto.
7368 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7369 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7370 (rest_of_handle_reorder_blocks): Ditto.
7371 (rest_of_handle_partition_blocks): Ditto.
7372 * var-tracking.c (variable_tracking_main): Ditto.
7373 * tree-profile.c (tree_profiling): Ditto.
7374 * tree-vect-generic.c (expand_vector_operations): Ditto.
7375 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7376 * sched-rgn.c (rest_of_handle_sched): Ditto.
7377 (rest_of_handle_sched2): Ditto.
7378 * basic-block.h (free_bb_insn): Ditto.
7379 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7380 * tree-cfg.c (execute_build_cfg): Ditto.
7381 (remove_useless_stmts): Ditto.
7382 (split_critical_edges): Ditto.
7383 (execute_warn_function_return): Ditto.
7384 (execute_warn_function_noreturn): Ditto.
7385 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7386 * cfgrtl.c (free_bb_for_insn): Ditto.
7387 * passes.c (execute_one_pass): Run additional
7388 todos returned by execute function.
7389 * tree-pass.h (struct tree_opt_pass): Make execute
7392 2006-03-02 Richard Guenther <rguenther@suse.de>
7394 * tree-ssa-alias.c (find_used_portions): Consider taking
7395 the address as making the variable not write-only.
7397 2006-03-02 Nick Clifton <nickc@redhat.com>
7399 * config.gcc (default_use_cxa_atexit): Extend the description of
7400 this configure variable. Set its default value to "yes" for
7401 Linux, NetBSD and ELF targets on the assumption that they will
7402 use C libraries with the __cxa_atexit function.
7404 2006-03-02 Ben Elliston <bje@au.ibm.com>
7406 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7407 parameter as unused to suppress a build warning.
7409 2006-03-02 Ben Elliston <bje@au.ibm.com>
7411 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7414 2006-03-01 Roger Sayle <roger@eyesopen.com>
7417 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7418 declared name, the weak reference name, and the typeof name.
7419 (__gthrw): Avoid expanding the declared name suffix.
7420 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7422 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7424 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7426 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7427 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7428 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7429 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7430 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7431 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7432 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7433 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7434 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7435 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7436 (DW_END_default, DW_END_big, DW_END_little): New.
7437 (DW_END_lo_user, DW_END_hi_user): Define.
7438 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7439 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7440 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7443 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7445 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7447 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7449 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7451 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7453 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7454 to 'symbol_mem_tag'.
7456 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7459 2006-03-01 Roger Sayle <roger@eyesopen.com>
7461 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7463 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7466 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7467 MACHO_DYNAMIC_NO_PIC_P.
7468 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7470 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7473 * config/darwin-protos.h (darwin_asm_output_anchor):
7475 * config/darwin-sections.def (cstring_section):
7476 Add SECTION_MERGE to the flags.
7477 (literal4_section): Likewise.
7478 (literal8_section): Likewise.
7479 (objc_selector_refs_section): Likewise.
7480 (objc_cls_refs_section): Likewise.
7481 * config/darwin.c (darwin_asm_output_anchor): New
7483 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7485 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7487 Fix PR tree-optimization/26443
7488 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7489 to todo and PROP_tmt_usage to properties_destroyed.
7490 * tree-ssa-ccp.c (pass_ccp): Ditto.
7491 (pass_store_ccp): Ditto.
7492 * tree-ssa-dom.c (pass_dominator): Ditto.
7494 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7496 * tree-ssa-operands.c: Cleanup whitespace.
7497 (get_asm_expr_operands): Move before first invocation.
7498 (get_indirect_ref_operands): Likewise.
7499 (get_tmr_operands): Likewise.
7500 (get_call_expr_operands): Likewise.
7501 (append_def): Likewise.
7502 (append_use): Likewise.
7503 (append_v_may_def): Likewise.
7504 (append_v_must_def): Likewise.
7505 (add_call_clobber_ops): Likewise.
7506 (add_call_read_ops): Likewise.
7507 (add_stmt_operand): Likewise.
7508 (add_virtual_operand): Likewise.
7509 (build_ssa_operands): Likewise.
7511 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7516 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7517 with a call expr to ...
7518 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7520 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7522 * tree-vrp.c (extract_range_from_assert): Remove special
7523 handling for types with super-types.
7525 2006-03-01 Ben Elliston <bje@au.ibm.com>
7527 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7528 and powerpc64-*-linux* configurations.
7529 * config/t-dfprules: New file.
7531 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7532 Compile dfp-bit.c from the source directory using -DWIDTH and
7533 $DFP_CFLAGS to control the compilation of that file, rather than
7534 generating width-specific versions in the build directory.
7535 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7536 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7538 2006-02-28 Zack Weinberg <zackw@panix.com>
7540 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7543 2006-02-28 Eric Christopher <echristo@apple.com>
7545 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7546 Set up IN_LIBGCC definition of TARGET_64BIT.
7547 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7549 2006-02-28 Roger Sayle <roger@eyesopen.com>
7552 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7553 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7554 cases via the construction of "expr != 0".
7556 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7558 * alias.c (alias_invariant, alias_invariant_size): Remove.
7559 (record_base_value): Remove.
7560 (memrefs_conflict_p): Don't look at alias_invariant.
7561 (end_alias_analysis): Don't free it.
7562 * alias.h (record_base_value): Remove prototype.
7564 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7565 Adam Nemet <anemet@caviumnetworks.com>
7567 * rtl.h (truncated_to_mode): Declare it.
7568 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7569 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7570 (RTL_HOOKS_INITIALIZER): Include it.
7571 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7572 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7573 reg_truncated_to_mode.
7574 * rtlanal.c (truncated_to_mode): Define it.
7575 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7577 2006-02-28 Jeff Law <law@redhat.com>
7579 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7580 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7581 the range allowed by TYPE_PRECISION.
7583 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7585 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7587 PR tree-optimization/26419
7588 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7591 2006-02-27 Zack Weinberg <zackw@panix.com>
7593 * doc/md.texi: Fix typo in previous change.
7595 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7599 2006-02-27 Zack Weinberg <zackw@panix.com>
7601 * rtl.def (define_constraint, define_register_constraint)
7602 (define_memory_constraint, define_address_constraint): New MD forms.
7603 * gensupport.c (process_rtx): Put define_constraint etc on the
7605 * genpreds.c (process_define_predicate): Adjust comment. Validate
7606 the name, and call validate_exp to validate the expression.
7607 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7608 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7609 all callers changed.
7610 (validate_exp, needs_variable, struct constraint_data)
7611 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7612 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7613 (const_dbl_constraints, constraint_max_namelen)
7614 (have_register_constraints, have_memory_constraints)
7615 (have_address_constraints, have_address_constraints)
7616 (have_extra_constraints, have_const_int_constraints)
7617 (have_const_dbl_constraints, mangle, add_constraint)
7618 (process_define_constraint, process_define_register_constraint)
7619 (write_enum_constraint_num, write_lookup_constraint)
7620 (write_insn_constraint_len, write_regclass_for_constraint)
7621 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7622 (write_insn_extra_memory_constraint)
7623 (write_insn_extra_address_constraint)
7624 (write_satisfies_constraint_fns): New.
7625 (write_tm_preds_h): If we have new-style constraint definitions,
7626 prototype the functions generated from them, and define the
7627 old constraint interface (still used by generic code) in terms of
7629 (write_insn_preds_c): If we have new-style constraint definitions,
7630 generate all relevant functions from those definitions.
7631 (main): Handle define_constraint etc.
7632 * genoutput.c (struct constraint_data, indep_constraints)
7633 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7634 (mdep_constraint_len): New data structures and functions, defined
7635 #ifdef USE_MD_CONSTRAINTS.
7636 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7637 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7638 use new logic to validate operand constraints against constraint
7640 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7642 * defaults.h: If none of the old-style constraint macros are
7643 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7644 old-style macros; and poison REG_CLASS_FROM_LETTER,
7645 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7647 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7648 * doc/md.texi: Document new constraint-definition mechanism and the
7649 C interface it provides. Remove references to old mechanism
7650 elsewhere in the document.
7651 (Machine Constraints): Use pathnames relative to gcc directory,
7652 i.e. config/ARCH/FILE. Change i386 section to refer to
7653 config/i386/predicates.md; update that section to match docstrings.
7654 * doc/tm.texi: Move all documentation of the old constraint-
7655 definition macros to their own section, clearly mark as obsolete.
7657 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7658 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7660 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7661 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7662 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7664 (splits and peepholes): Use satisfies_constraint_*.
7665 * config/i386/i386.c (memory_address_length)
7666 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7668 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7670 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7671 scalar operation to be put back into the loop.
7673 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7676 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7677 (extract_cie_info): Handle S flag in augmentation string.
7678 (execute_cfa_program): If context->signal_frame, execute also
7679 fs->pc == context->ra instructions.
7680 (uw_frame_state_for): If context->signal_frame, don't subtract one
7681 from context->ra to find FDE.
7682 (uw_update_context_1): Set context->signal_frame to
7684 (_Unwind_GetIPInfo): New function.
7685 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7686 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7688 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7689 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7690 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7691 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7692 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7693 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7694 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7695 x86_64_fallback_frame_state): Set fs->signal_frame.
7696 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7697 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7698 (frob_update_context): Likewise. Workaround missing S flag in
7699 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7700 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7701 Remove the psw_addr + 1 hack.
7703 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7705 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7706 with aggregates here.
7707 (find_func_aliases): Remove code for &<aggregate> from here.
7709 2006-02-26 Roger Sayle <roger@eyesopen.com>
7711 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7712 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7713 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7716 2006-02-26 Roger Sayle <roger@eyesopen.com>
7719 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7721 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7723 * opts.c (decode_options): Do not handle flag_strength_reduce.
7724 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7725 and OPT_fstrength_reduce.
7726 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7727 flag_prefetch_loop_arrays for being nonzero.
7728 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7730 (fprefetch-loop-arrays-rtl): Removed.
7731 (flag_prefetch_loop_arrays): Do not specify the value.
7733 * doc/passes.texi: Update documentation of loop optimizer
7735 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7736 -frerun-loop-opt): Remove.
7738 2006-02-26 Richard Guenther <rguenther@suse.de>
7740 PR tree-optimization/26421
7741 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7742 in function calls that are ADDR_EXPRs as using the whole structure.
7744 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7746 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7747 * tree-pass.h (pass_loop_optimize): Remove.
7748 * passes.c (pass_loop_optimize): Never run it.
7749 * toplev.c (backend_init): Don't call init_loop.
7750 * opts.c (flag_loop_optimize_set): Remove.
7751 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7752 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7753 the old RTL loop optimizer when profiling enabled.
7754 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7755 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7756 pre-headers for the sake of the old RTL loop optimizer.
7757 * Makefile.in: Remove all references to loop.o.
7759 * doc/invoke.texi: Remove all references to -floop-optimize
7760 and -frerun-loop-opt.
7762 2006-02-26 Zack Weinberg <zackw@panix.com>
7764 * doc/md.texi (Machine Constraints): Refer to all files with paths
7765 relative to gcc directory (i.e. config/CPU/file). Add missing
7766 @table @code ... @end table to M32C subsection.
7768 2006-02-26 Roger Sayle <roger@eyesopen.com>
7770 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7772 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7774 2006-02-26 Roger Sayle <roger@eyesopen.com>
7775 James A. Morrison <phython@gcc.gnu.org>
7778 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7779 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7780 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7781 signedness of the shift operation.
7783 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7785 PR tree-optimization/26359
7786 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7788 2006-02-25 Roger Sayle <roger@eyesopen.com>
7790 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7791 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7792 as X == 0, and some symmetry related transformations.
7793 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7795 2006-02-25 Roger Sayle <roger@eyesopen.com>
7798 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7799 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7800 symmetry related transformations. Fold (X^C1) == C2 as
7803 2006-02-25 Juergen Weigert <jw@suse.de>
7804 Richard Guenther <rguenther@suse.de>
7806 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7808 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7810 * combine.c (gen_lowpart_or_truncate): Call
7811 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7813 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7815 * doc/invoke.texi: Move -fopenmp description to "Options for
7817 Remove reference to -lgomp.
7819 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7821 * doc/install.texi: Require GNU tar version 1.14.
7823 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7825 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7826 * doc/invoke.texi (C++ Dialect Options): Document
7827 -fno-use-cxa-get-exception-ptr.
7828 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7829 * configure: Regenerate.
7830 * c.opt (fuse-cxa-get-exception-ptr): New.
7831 * c-opts.c (c_common_handle_option): Handle
7832 OPT_fuse_cxa_get_exception_ptr.
7833 * c-common.c (flag_use_cxa_atexit): Update documentation.
7834 (flag_use_cxa_get_exception_ptr): New.
7835 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7836 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7838 (C_COMMON_OVERRIDE_OPTIONS): New.
7840 2006-02-24 Roger Sayle <roger@eyesopen.com>
7843 * combine.c (try_combine): Explicitly check whether GET_CODE is
7844 a SET or a CLOBBER, instead on checking that it isn't a USE.
7846 2006-02-24 Roger Sayle <roger@eyesopen.com>
7848 * fold-const.c (fold_comparison): New subroutine of fold_binary
7849 containing transformations common to both the equality and
7850 ordering relational operators, factored out of fold_binary.
7851 (fold_binary): Separate out the equality operators (EQ_EXPR
7852 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7853 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7854 transformations common to both.
7855 (fold_div_compare): Fix latent bugs in the previously unreachable
7856 LT_EXPR and GE_EXPR cases.
7858 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7860 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7861 decl libname for clog to __clog on AIX.
7863 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7865 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7868 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7869 output traceback table for thunks. Localise rs6000_stack_info call.
7871 2006-02-23 Roger Sayle <roger@eyesopen.com>
7872 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7874 * gthr-posix.h (__gthrw): Fix typo in comment.
7876 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7878 * doc/cpp.texi (Character sets): Document that we do support
7879 input files to be in any character set.
7881 2006-02-23 Jeff Law <law@redhat.com>
7883 * tree.h (PHI_ARG_NONZERO): Remove.
7884 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7885 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7886 node to the new node.
7888 PR tree-optimization/26425
7889 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7890 min/max, then assume its varying.
7892 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7894 PR rtl-optimization/26316
7895 * rtlanal.c (enum may_trap_p_flags): New.
7896 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7897 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7898 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7899 (may_trap_after_code_motion_p): New function.
7900 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7901 (find_invariant_insn): Use may_trap_after_code_motion_p.
7902 * rtl.h (may_trap_after_code_motion_p): Declare.
7904 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7906 * emit-rtl.c (immed_double_const): Cleanup.
7908 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7910 Fix PR tree-optimization/26376
7911 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7914 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7917 * gimplify.c (omp_add_variable): Guard variable size decl test with
7918 DECL_SIZE (decl) check.
7920 2006-02-23 Richard Guenther <rguenther@suse.de>
7923 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7924 like aggregate types.
7926 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7928 * configure.ac: Add --with{,out}-long-double-128 configure option.
7929 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7930 * configure: Rebuilt.
7931 * config.in: Rebuilt.
7932 * doc/install.texi (Options specification): Document
7933 --with-long-double-128.
7935 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7936 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7937 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7938 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7940 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7942 * config/s390/s390.c (override_options): Handle
7943 TARGET_DEFAULT_LONG_DOUBLE_128.
7945 * config/alpha/alpha.c (override_options): Handle
7946 TARGET_DEFAULT_LONG_DOUBLE_128.
7948 * config/sparc/sparc.c (sparc_override_options): Handle
7949 TARGET_DEFAULT_LONG_DOUBLE_128.
7951 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7953 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7954 (real-install-headers-tar, real-install-headers-cpio)
7955 (real-install-headers-cp): New targets.
7957 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7959 * tree.h (variable_section): Delete.
7960 * varasm.c (variable_section): Delete.
7962 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7964 * install.texi: Add notes on install.texi2html.
7965 (Building in parallel): Do not use footnotes.
7967 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7970 * doc/install.texi (Configuration): Document --disable-libgomp.
7972 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7974 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7976 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7978 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7979 (vec_extractv2df_0_sse): New.
7981 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7983 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7984 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7985 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7986 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7987 to the result of the expression.
7988 (def_cfa_1): Adjust.
7989 (frame_pointer_cfa_offset): Rename to...
7990 (frame_pointer_fb_offset): ... this. Adjust all uses.
7991 (convert_cfa_to_loc_list): Rename to...
7992 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7993 Pass it on to build_cfa_loc.
7994 (compute_frame_pointer_to_cfa_displacement): Rename to...
7995 (compute_frame_pointer_to_fb_displacement): ... this. New
7996 offset parameter. Use it in computation.
7997 (gen_subprogram_die): Compute cfa_fb_offset with the new
7998 macro, and use it to compute the fb loc list and the
8001 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8003 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8004 replaced with register_operand.
8005 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8006 non-DREG is expensive.
8007 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8008 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8011 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8013 * doc/install.texi2html: Use set -e.
8015 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8017 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8018 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8019 * doc/invoke.texi (-fshared-data): Delete.
8020 * common.opt (fshared-data): Delete.
8021 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8022 (assemble_static_space): Remove #if 0 code.
8023 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8024 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8025 * config/cris/cris.h: Remove FIXME.
8027 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8029 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8032 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8035 * combine.c (simplify_shift_const_1): Disable nested shifts
8036 optimization for vector shifts.
8038 2006-02-20 Roger Sayle <roger@eyesopen.com>
8040 PR tree-optimization/26361
8041 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8042 of unsigned integer types.
8044 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8046 * tree-chrec.c (eq_evolutions_p): New.
8047 * tree-chrec.h (eq_evolutions_p): Declared.
8048 * tree-data-ref.c: Fix formatting.
8049 (datadep_stats, dependence_stats): New.
8051 (print_direction_vector): New.
8052 (dump_data_dependence_relation): Use print_direction_vector.
8053 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8054 (compute_subscript_distance): Static.
8055 (initialize_data_dependence_relation): Static. Get the number
8056 of loops surrounding the references from the callers, and initialize
8057 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8058 base_object_differ_p analyzers.
8059 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8060 compute_overlap_steps_for_affine_1_2,
8061 analyze_subscript_affine_affine): Count the classified dependences.
8062 Print a message when a test failed.
8063 (can_use_analyze_subscript_affine_affine): New.
8064 (analyze_siv_subscript): Compute the data dependences on symbolic
8065 scevs that verify can_use_analyze_subscript_affine_affine.
8066 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8067 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8068 Handle symbolic scevs.
8069 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8071 (subscript_dependence_tester): Moved...
8072 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8073 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8074 DDR_SIZE_VECT instead of getting it in parameter.
8075 (subscript_dependence_tester): ... here. Take as a parameter
8076 loop_nest_depth. Call build_classic_dist_vector and
8077 build_classic_dir_vector.
8078 (compute_affine_dependence): Update subscript_dependence_tester
8079 parameters. Update datadep_stats counters. Call
8080 compute_subscript_distance.
8081 (compute_self_dependence): Save the dist and dir vectors. Call
8082 compute_subscript_distance.
8083 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8084 (compute_all_dependences): Reorder parameters as they were before
8085 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8086 compute_subscript_distance. Update the use of
8087 compute_affine_dependence and initialize_data_dependence_relation.
8088 (find_data_references_in_loop): Handle COMPONENT_REF.
8089 (compute_data_dependences_for_loop): Initialize dependence_stats.
8090 Don't call build_classic_dist_vector and build_classic_dir_vector.
8091 Update the parameters of initialize_data_dependence_relation and
8092 compute_all_dependences. Print the statistics from datadep_stats.
8093 (analyze_all_data_dependences): Static. Not used until the pass for
8094 checking the data dependences is contributed.
8095 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8096 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8097 (initialize_data_dependence_relation, compute_affine_dependence,
8098 analyze_all_data_dependences, compute_subscript_distance): Removed.
8099 (print_direction_vector): New.
8100 * lambda.h (gcd): ... here.
8101 (lambda_vector_gcd): Moved here from gcd_vector.
8102 * lambda-code.c (gcd, gcd_vector): Removed.
8103 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8104 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8106 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8108 * ipa-type-escape.c: Tidy some comments and white space.
8109 * tree-ssa-operands.c: Likewise.
8111 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8114 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8115 (dump_decl_name): Do not walk the decl tree chains.
8116 * tree-pass.h (TDF_CHAIN): Remove.
8118 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8120 * Makefile.in (C): Remove
8122 (.PHONY): Remove C and PROTO
8124 2006-02-20 Roger Sayle <roger@eyesopen.com>
8127 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8128 deprecated CHAR_TYPE tree code.
8130 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8132 * configure.ac (target_list): Add install-info, dvi, html.
8133 * configure: Regenerate.
8135 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8136 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8137 treelang/Make-lang.in: Do not use double-colon rules.
8139 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8141 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8142 (TMT_USED_ALONE): New macro.
8143 * tree-pass.h (PROP_tmt_usage): New property.
8144 (TODO_update_tmt_usage): New todo.
8145 * tree-ssa-alias.c (updating_used_alone): New variable.
8146 (recalculate_used_alone): New function.
8147 (compute_may_aliases): Set updating_used_alone, call
8148 recalculate_used_alone.
8149 * tree-sra.c (pass_sra): Note that this pass destroys
8150 PROP_tmt_usage, and add TODO_update_tmt_usage.
8151 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8152 * tree-flow.h (updating_used_alone): Prototype.
8153 (recalculate_used_alone): Ditto.
8154 * passes.c (execute_todo): Add code to set updating_used_alone,
8155 and call recalculate.
8156 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8157 for clobber if used alone, and add assert to verify used_alone
8160 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8162 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8163 for non tls symbols added.
8164 (legitimize_address): Do nothing for PLUS expressions if one of the
8165 addends is a tls symbol reference.
8167 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8171 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8173 * Makefile.in (BOOTSTRAPPING): New.
8174 (quickstrap): New definition if BOOTSTRAPPING=yes.
8176 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8177 * configure.ac: Substitute all_selected_languages with the languages
8178 that were configured. For all the other variables except
8179 lang_specs_files, include all the languages in the tree.
8180 * configure: Regenerate.
8182 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8183 if there is one. Run the commands to run fixincludes in the same
8186 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8187 * doc/install.texi: Document exact conventions for searching target tools.
8188 Document --with-build-time-tools. Document toplevel bootstrap. Document
8189 something more about building an Ada cross-compiler. Don't list GNU Make
8190 requirements which affect all platforms.
8192 2006-02-19 Roger Sayle <roger@eyesopen.com>
8195 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8196 only equivalent if the have both the same mode and precision.
8198 2006-02-20 Ben Elliston <bje@au.ibm.com>
8200 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8202 2006-02-19 Roger Sayle <roger@eyesopen.com>
8203 Steven Bosscher <stevenb.gcc@gmail.com>
8205 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8206 constant pool references to identify stack mode constants.
8207 * rtlanal.c (constant_pool_constant_p): New predicate to check
8208 whether operand is a floating point constant in the pool.
8209 * rtl.h (constant_pool_constant_p): Prototype here.
8210 * loop.c (scan_loop): Avoid hoisting constants from the constant
8211 pool on STACK_REGS targets.
8212 (load_mems): Likewise.
8213 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8214 loads into x87 registers expensive in terms of register pressure.
8216 2006-02-19 Roger Sayle <roger@eyesopen.com>
8218 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8219 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8221 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8223 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8224 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8226 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8228 * doc/invoke.texi: Document -fipa-pta.
8229 * common.opt: Add ipa-pta option.
8230 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8231 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8232 (do_ds_constraint): Ditto.
8233 (get_constraint_for): Only add to referenced_vars if
8234 referenced_vars exists.
8235 (insert_into_field_list): Rewrite to do this unsorted.
8236 (insert_into_field_list_sorted): Rename old insert_into_field_list
8238 (create_function_info_for): Use insert_into_field_list_sorted.
8239 (create_variable_info_for): Rewrite so it uses unsorted version,
8240 since the field list is sorted.
8241 (intra_create_variable_infos): Only add to referenced_vars if
8242 referenced_vars exists.
8243 (ipa_pta_execute): Init heapvars, and delete when done.
8244 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8246 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8248 * doc/install.texi: Add missing `@samp'.
8250 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8252 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8255 2006-02-18 Mark Wielaard <mark@klomp.org>
8257 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8258 who added new 4.1 features, bug fixes and integration support.
8260 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8263 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8266 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8268 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8269 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8270 (copy_insn_1): Likewise. Don't copy each field individually.
8272 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8274 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8275 * rtl.c (rtx_size): Rename variable to...
8276 (rtx_code_size): ...this.
8277 (rtx_size): New function.
8278 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8279 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8281 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8282 * rtl.h (rtx_code_size): New variable.
8283 (rtx_size): Change from a variable to a function.
8284 (RTX_SIZE): Rename to...
8285 (RTX_CODE_SIZE): ...this.
8288 PR tree-optimization/17106
8289 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8290 (Anchored Addresses): New section.
8291 * doc/invoke.texi (-fsection-anchors): Document.
8292 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8293 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8294 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8295 * hooks.c (hook_bool_mode_rtx_false): New function.
8296 * hooks.h (hook_bool_mode_rtx_false): Declare.
8297 * gengtype.c (create_optional_field): New function.
8298 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8299 SYMBOL_REF_IN_BLOCK_P is true.
8300 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8301 (min_anchor_offset, max_anchor_offset): Likewise.
8302 (use_anchors_for_symbol_p): New hook.
8303 * toplev.c (compile_file): Call output_object_blocks.
8304 (target_supports_section_anchors_p): New function.
8305 (process_options): Check that -fsection-anchors is only used on
8306 targets that support it and when -funit-at-a-time is in effect.
8307 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8308 if the decl doesn't have one.
8309 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8310 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8311 of force_const_mem through use_anchored_address.
8312 (expand_expr_constant): New function.
8313 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8314 calling expand_expr for INDIRECT_REF.
8315 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8316 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8317 * expr.h (use_anchored_address): Declare.
8318 * loop-unroll.c: Don't declare rtx vectors here.
8319 * explow.c: Include output.h.
8320 (validize_mem): Call use_anchored_address.
8321 (use_anchored_address): New function.
8322 * common.opt (-fsection-anchors): New switch.
8323 * varasm.c (object_block_htab, anchor_labelno): New variables.
8324 (hash_section, object_block_entry_eq, object_block_entry_hash)
8325 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8326 (use_blocks_for_decl_p, change_symbol_section): New functions.
8327 (get_variable_section): New function, split out from assemble_variable.
8328 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8329 use_blocks_for_decl_p say so. Use change_symbol_section if the
8330 symbol has already been created.
8331 (assemble_variable_contents): New function, split out from...
8332 (assemble_variable): ...here. Don't output any code for
8333 block symbols; just pass them to place_block_symbol.
8334 Use get_variable_section and assemble_variable_contents.
8335 (get_constant_alignment, get_constant_section, get_constant_size): New
8336 functions, split from output_constant_def_contents.
8337 (build_constant_desc): Create a block symbol if use_object_blocks_p
8338 says so. Or into SYMBOL_REF_FLAGS.
8339 (assemble_constant_contents): New function, split from...
8340 (output_constant_def_contents): ...here. Don't output any code
8341 for block symbols; just pass them to place_section_symbol.
8342 Use get_constant_section and get_constant_alignment.
8343 (force_const_mem): Create a block symbol if use_object_blocks_p and
8344 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8345 (output_constant_pool_1): Add an explicit alignment argument.
8346 Don't switch sections here.
8347 (output_constant_pool): Adjust call to output_constant_pool_1.
8348 Switch sections here instead. Don't output anything for block symbols;
8349 just pass them to place_block_symbol.
8350 (init_varasm_once): Initialize object_block_htab.
8351 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8352 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8353 (place_block_symbol, get_section_anchor, output_object_block)
8354 (output_object_block_htab, output_object_blocks): New functions.
8355 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8356 (TARGET_ASM_OUT): Include it.
8357 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8358 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8359 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8360 (TARGET_INITIALIZER): Include them.
8361 * rtl.c (rtl_check_failed_block_symbol): New function.
8362 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8363 (block_symbol, object_block): New structures.
8364 (rtx_def): Add a block_symbol field to the union.
8365 (BLOCK_SYMBOL_CHECK): New macro.
8366 (rtl_check_failed_block_symbol): Declare.
8367 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8368 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8369 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8370 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8371 * output.h (output_section_symbols): Declare.
8372 (object_block): Name structure.
8373 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8374 (default_use_anchors_for_symbol_p): Declare.
8375 * Makefile.in (RTL_BASE_H): Add vec.h.
8376 (explow.o): Depend on output.h.
8377 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8378 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8379 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8380 (rs6000_use_blocks_for_constant_p): New function.
8382 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8384 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8386 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8389 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8392 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8394 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8398 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8401 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8402 instead of DECL_REGISTER.
8404 2006-02-18 Olivier Hainque <hainque@adacore.com>
8407 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8409 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8412 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8413 * opth-gen.awk: Handle Var and InverseMask together.
8414 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8415 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8416 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8417 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8419 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8420 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8421 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8422 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8423 LINUX_DYNAMIC_LINKER): Define.
8424 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8425 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8427 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8428 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8429 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8430 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8431 (TARGET_C99_FUNCTIONS): Don't define.
8432 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8433 GLIBC_DYNAMIC_LINKER.
8434 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8435 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8436 GLIBC_DYNAMIC_LINKER64): Define.
8437 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8438 LINUX_DYNAMIC_LINKER64.
8439 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8441 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8443 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8444 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8445 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8446 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8447 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8449 and LINUX_DYNAMIC_LINKER32.
8450 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8452 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8453 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8454 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8456 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8457 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8458 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8459 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8460 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8461 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8462 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8463 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8464 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8465 LINUX_DYNAMIC_LINKER): Define.
8466 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8467 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8468 GLIBC_DYNAMIC_LINKER64): Define.
8469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8470 LINUX_DYNAMIC_LINKER64.
8471 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8472 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8473 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8474 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8475 LINUX_DYNAMIC_LINKER): Define.
8476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8477 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8478 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8479 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8480 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8481 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8482 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8483 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8484 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8485 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8487 * doc/invoke.texi (-muclibc): Remove caveat about supported
8490 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8492 * doc/cpp.texi (__TIMESTAMP__): Document.
8494 2006-02-17 Roger Sayle <roger@eyesopen.com>
8497 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8498 C is one less than the width of X (and related transformations).
8499 * simplify-rtx.c (simplify_unary_operation_1): Transform
8500 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8501 depending on STORE_FLAG_VALUE, were C is one less then the
8504 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8506 Fix PR tree-optimization/26341
8507 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8508 about NAME_MEMORY_TAG's.
8510 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8513 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8514 with hardware float support, and software float support. Add fcpy
8515 alternative to hardware patterns. Add alternatives to copy between
8516 general and floating-point registers to the 32-bit pattern.
8517 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8518 secondary reload to load a QI or HI mode constant into a floating
8520 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8521 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8523 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8526 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8528 (load_macho_picbase_di): Likewise.
8530 2006-02-16 Jeff Law <law@redhat.com>
8532 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8533 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8534 (ssa_name_nonzero_p): Likewise.
8535 (get_value_range): Return NULL if VRP is not running.
8536 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8537 VRP routines do not discover a range.
8538 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8539 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8540 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8541 (tree_expr_nonnegative_p): Similarly.
8542 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8543 (restore_nonzero_vars_to_original_value): Remove.
8544 (unsafe_associative_fp_binop): Remove.
8545 (tree_ssa_dominator_optimize): Remove initialization and
8546 finalization of nonzero_vars and nonzero_vars_stack.
8547 (dom_opt_initialize_block): No longer push marker on
8549 (dom_opt_finalize_block): No longer call
8550 restore_nonzero_vars_to_original_value.
8551 (record_equivalences_from_phis): No longer look for
8552 nonzero PHI arguments.
8553 (cprop_into_successor_phis): No longer propagate nonzero
8554 property into PHI arguments. Lose unused argument. Caller
8556 (record_equivalences_from_stmt): No longer record nonzero
8557 values for SSA_NAMEs.
8558 (lookup_avail_expr): No longer use nonzero_vars.
8560 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8561 for sizetype when sizetype is unsigned.
8563 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8565 PR rtl-optimization/25603
8566 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8567 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8568 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8569 with new meaning of SETS.
8571 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8576 * config/linux.opt: New file.
8577 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8578 LINUX_DYNAMIC_LINKER): Define.
8579 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8580 * config.gcc (*-*-linux*): Define extra_options.
8581 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8582 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8583 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8584 GLIBC_DYNAMIC_LINKER.
8585 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8586 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8587 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8589 * doc/invoke.texi (GNU/Linux Options): New section.
8591 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8593 * config/sparc/sparc.md (setjmp): Rewrite.
8594 (setjmp_32): Delete.
8595 (setjmp_64): Likewise.
8597 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8599 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8602 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8604 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8607 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8609 PR rtl-optimization/26296
8610 * Makefile.in (loop-invariant.c): Add except.h dependency.
8611 * loop-invariant.c: Include except.h.
8612 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8614 2005-02-16 Paul Brook <paul@codesourcery.com>
8616 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8619 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8621 PR rtl-optimization/25636
8622 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8623 when deciding whether an insn is an initializing insn.
8625 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8627 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8628 (tree_code_size): Ditto.
8629 * tree.h (struct tree_memory_tag): Remove parent_var.
8630 (struct tree_struct_field_tag): New.
8633 (union tree_node): Add sft member.
8634 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8636 (create_sft): Add size and offset argument, set SFT_OFFSET and
8638 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8639 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8640 * tree-flow-inline.h (get_subvar_at): Update for
8641 SFT_OFFSET/SFT_SIZE.
8642 (var_can_have_subvars): Ditto.
8643 (overlap_subvar): Ditto.
8644 * print-tree.c (print_node): Print out interesting things for
8646 * tree-flow.h (struct subvar): Remove offset and size members.
8647 * tree-ssa-operands.c (get_expr_operands): Update for
8648 get_indirect_ref_operands changes.
8649 (get_indirect_ref_operands): Call add_virtual_operand instead of
8650 add_stmt_operand. Only recurse on base var if requested.
8651 (access_can_touch_variable): New function.
8652 (add_stmt_operand): Split virtual operand handling into ...
8653 (add_virtual_operand): Here. Add offset, size, and for_clobber
8654 arguments. Prune alias sets.
8655 (add_call_clobber_ops): Call add_virtual_operand.
8657 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8660 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8662 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8663 than TREE_CODE as index into omp_clause_num_ops array.
8665 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8667 PR rtl-optimization/26184
8668 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8670 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8671 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8672 must_precede, must_follow and tobe_scheduled.
8675 * opts.c (common_handle_option): Free new_option pointer.
8676 * df-core.c (df_analyze): Free postorder pointer.
8678 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8680 * Makefile.in: Fix the examples about the use of stamps
8682 2006-02-15 Michael Matz <matz@suse.de>
8686 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8687 influenced by maximum_field_alignment or DECL_PACKED.
8688 (update_alignment_for_field): Ditto.
8689 (place_field): Ditto.
8690 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8693 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8695 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8696 (debug_flow_info): Pass it.
8697 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8698 * bb-reorder.c (reorder_basic_blocks): Likewise.
8699 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8700 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8701 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8702 * gcse.c (gcse_main, bypass_jumps): Likewise.
8703 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8704 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8705 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8706 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8707 * rtl.h (dump_flow_info): Adjust prototype.
8708 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8709 * var-tracking.c (variable_tracking_main): Likewise.
8710 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8711 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8714 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8716 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8719 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8721 PR tree-optimization/26209
8722 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8723 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8725 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8727 2006-02-14 Roger Sayle <roger@eyesopen.com>
8730 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8731 (X,Y) and the corresponding symmetry related transformations.
8732 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8733 (X,Y) and its symmetry related transformations.
8735 2006-02-14 Roger Sayle <roger@eyesopen.com>
8737 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8740 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8742 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8744 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8747 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8748 support COMDAT group.
8749 * configure: Regenerate.
8751 2006-02-14 Roger Sayle <roger@eyesopen.com>
8756 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8758 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8760 Fix PR tree-optimization/26260
8762 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8764 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8765 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8766 * tree-ssa-structalias.c (create_variable_info_for): Use
8767 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8769 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8771 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8773 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8774 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8775 of the ending condition.
8776 * tree-ssa-loop-manip.c: Include params.h.
8777 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8778 tree_unroll_loop): New functions.
8779 * tree-pass.h (pass_loop_prefetch): Declare.
8780 * loop.c (rest_of_handle_loop_optimize): Test for
8781 -fprefetch-loop-arrays-rtl.
8782 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8783 * timevar.def (TV_TREE_PREFETCH): New timevar.
8784 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8785 pass_loop_prefetch): New.
8786 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8787 (cleanup_tree_cfg_loop): Call scev_reset.
8788 * common.opt (fprefetch-loop-arrays-rtl): Add.
8789 * tree-ssa-loop-prefetch.c: New file.
8790 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8791 (new_temp_expr_table): Initialize expr_vars.
8792 (free_temp_expr_table): Cleanup expr_vars.
8793 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8794 expressions from being merged into one.
8795 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8796 (struct tree_niter_desc): Add control, bound and cmp fields.
8797 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8799 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8800 (tree-cfgcleanup.o): Add SCEV_H dependency.
8801 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8802 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8804 2006-02-14 Richard Guenther <rguenther@suse.de>
8806 PR tree-optimization/26258
8807 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8808 in PHI argument processing.
8810 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8812 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8813 new expression in the requested machine mode.
8815 2006-02-13 Roger Sayle <roger@eyesopen.com>
8817 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8818 directly, instead let do_compare_rtx_and_jump handle this for us.
8819 * expr.c (expand_expr_real_1): Likewise.
8820 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8821 before do_jump_by_parts_greater.
8822 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8823 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8825 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8827 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8829 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8831 PR rtl-optimization/26235
8832 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8833 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8836 2006-02-13 Jeff Law <law@redhat.com>
8838 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8841 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8844 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8845 twice if decl is a builtin. When trying again, call get_callee_fndecl
8846 first to verify it is still a builtin.
8848 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8850 * dwarf2out.c (base_type_die): Don't add AT_name here.
8851 (subrange_type_die): Don't add AT_name here.
8852 (modified_type_die): Rearrange code flow. Do add AT_name here.
8854 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8856 PR rtl-optimization/26247
8857 PR rtl-optimization/26248
8858 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8860 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8862 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8863 * config/fixtfdi.c: Likewise.
8864 * config/fixunstfdi.c: Likewise.
8865 * config/floatditf.c: Likewise.
8867 2006-02-13 Roger Sayle <roger@eyesopen.com>
8870 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8871 into (X,C2) if C1 is a subset of the bits of C2. Transform
8872 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8874 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8876 2006-02-13 Josh Conner <jconner@apple.com>
8879 * varasm.c (function_section): Check for section name before
8880 calling select_section on targets that define
8881 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8882 unlikely_text_section instead of hot_function_section if
8883 first_function_block_is_cold.
8885 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8888 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8890 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8892 PR rtl-optimization/26222
8893 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8894 after tree->rtl expansion.
8895 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8896 before passing it to emit_move_insn.
8898 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8900 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8902 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8903 Clarify documentation.
8904 * c-common.h (warn_write_strings): Remove.
8905 * c-common.c (warn_write_strings): Likewise.
8906 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8909 2006-02-12 Roger Sayle <roger@eyesopen.com>
8912 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8913 (do_jump_parts_zero_rtx): New function renamed from
8914 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8915 (do_jump_parts_equality_rtx): New function split out from
8916 do_jump_parts_equality. Old implementation renamed as above.
8917 Call do_jump_parts_zero_rtx if either operand is zero.
8918 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8919 do all of the heavy lifting.
8920 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8921 calling either do_jump_by_parts_greater_rtx or
8922 do_jump_by_parts_equality_rtx.
8923 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8924 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8925 moved to do_compare_rtx_and_jump, call it directly.
8926 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8927 mode argument. Call do_compare_rtx_and_jump.
8928 (emit_case_nodes): Update calls to do_jump_if_equal.
8930 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8932 PR rtl-optimization/26225
8933 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8935 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8937 PR rtl-optimization/26232
8938 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8940 2006-02-11 Jason Merrill <jason@redhat.com>
8943 * tree-inline.c (declare_return_variable): Just don't use the
8944 modify target if it's a gimple complex reg and the return slot
8947 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8949 * doc/contrib.texi: Update my entry.
8951 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8953 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8955 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8957 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8960 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8962 * doc/invoke.texi (-floop-optimize2): Removed.
8963 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8964 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8965 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8966 * common.opt (floop-optimize2): Removed.
8967 (fmove-loop-invariants): Enabled by default.
8969 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8971 * tree-if-conv.c (combine_blocks): Free the result of
8972 get_loop_exit_edges.
8974 2006-02-10 Jeff Law <law@redhat.com>
8976 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8978 PR tree-optimization/26213
8979 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8980 loop trying to follow SSA_NAME_VALUE chains.
8982 2006-02-10 Richard Guenther <rguenther@suse.de>
8984 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8985 deal with structures that end in implicitly variable sized arrays.
8987 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8989 PR rtl-optimization/24762
8990 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8993 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8995 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8996 (struct ivopts_data): Add regs_used field.
8997 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8998 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8999 instead of loop_data->regs_used;
9000 (free_loop_data): Do not free aux fields for loops.
9001 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9002 and tree_ssa_iv_optimize_finalize.
9004 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9006 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9008 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9011 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9012 computing the effective result type.
9014 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9017 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9018 (tree_overlaps_hard_reg_set): Declare.
9019 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9020 type and signature to match function type expected by walk_tree.
9021 (tree_overlaps_hard_reg_set): New function.
9022 (decl_conflicts_with_clobbers_p): Rename to:
9023 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9024 Use tree_overlaps_hard_reg_set. Changed caller.
9025 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9026 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9027 * cris.c (cris_md_asm_clobbers): Likewise.
9029 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9031 * reload1.c (emit_input_reload_insns): Delete code that tries to
9032 inherit using find_equiv_reg.
9034 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9036 * c-common.h (flag_const_strings): Don't declare.
9037 * c-common.c (flag_const_strings): Remove.
9038 * c.opt (fconst_strings): Remove.
9039 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9040 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9041 (c_common_init_options): Don't set flag_const_strings.
9042 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9044 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9046 * arm.md (tlobits_cbranch): New pattern.
9047 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9048 testing a single bit.
9050 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9053 * tree-ssa-pre.c (create_component_ref_by_pieces):
9054 Handle RETURN_DECL like VAR_DECL.
9056 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9059 * fold-const.c (fold_indirect_ref_1): Fold
9060 "*(foo *)&complexfoo" to "__real__ complexfoo"
9061 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9063 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9065 * tree-flow-inline.h (var_can_have_subvars):
9066 Volatile variables should not have subvariables.
9068 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9071 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9072 multiplying unsigned values.
9075 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9077 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9079 2006-02-08 Jason Merrill <jason@redhat.com>
9082 * tree.def: Elaborate on difference from MODIFY_EXPR.
9083 * doc/c-tree.texi (INIT_EXPR): Likewise.
9084 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9085 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9086 (gimplify_target_expr): Likewise.
9087 (gimplify_cond_expr): Remove target handling.
9088 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9089 (gimplify_expr): Clobber it here.
9090 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9091 Do return slot optimization if we have an INIT_EXPR.
9094 * tree-inline.c (declare_return_variable): Also clear
9095 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9098 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9101 * gimplify.c (gimplify_one_sizepos): Fix typo.
9103 2006-02-08 Jeff Law <law@redhat.com>
9105 PR tree-optimization/21417
9106 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9107 across a backedge if the control statement at the end of the
9108 block is data dependent on other statements in the same block.
9109 (record_temporary_equivalences_from_stmts): Remove over-conservative
9110 test for threading across backedges.
9112 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9113 control statement, handle all three special cases in the same
9114 manner as they all have the same desired solution. No longer
9115 special case edge flag updating when the post dominator is
9118 2006-02-08 Roger Sayle <roger@eyesopen.com>
9120 * tree.def (CHAR_TYPE): Remove.
9121 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9122 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9123 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9124 (gen_string_type_die): Delete unreachable function.
9126 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9127 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9128 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9129 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9130 * builtins.c (type_to_class): Likewise.
9131 * fold-const.c (fold_convert, build_range_check,
9132 merge_ranges): Likewise.
9133 * expr.c (count_type_elements): Likewise.
9134 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9135 * stor-layout.c (layout_type): Likewise.
9136 * ipa-type-escape.c (type_to_consider): Likewise.
9137 * gimplify.c (omp_firstprivatize_type_sizes,
9138 gimplify_type_sizes): Likewise.
9139 * explow.c (promote_mode): Likewise.
9140 * tree-sra.c (is_sra_scalar_type): Likewise.
9141 * varasm.c (output_constant): Likewise.
9142 * tree-inline.c (remap_type_1): Likewise.
9143 * convert.c (convert_to_pointer, convert_to_real,
9144 convert_to_integer, convert_to_complex): Likewise.
9146 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9148 * df-scan.c (df_def_record_1): A set destination may
9149 be a parallel regardless of mode.
9151 2006-02-08 Roger Sayle <roger@eyesopen.com>
9154 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9155 * config/mips/_tilib.c: Remove.
9156 * config/fixtfdi.c: New libgcc source file.
9157 * config/fixunstfdi.c: New source file.
9158 * config/floatditf.c: New source file.
9159 * config/floatunditf.c: New souce file.
9160 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9161 files above instead of config/mips/_tilib.c.
9162 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9164 2006-02-08 Jeff Law <law@redhat.com>
9166 PR tree-optimization/26169
9167 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9170 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9172 * df.h (DF_REG_SIZE): Return the length of the initialized
9175 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9177 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9178 __muldf3): Return a correctly signed zero.
9180 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9182 * passes.c (register_one_dump_file): Accept the current properties
9183 instead of pass number. Adjust call to dump_register. Remove
9185 (register_dump_files): Now a wrapper around...
9186 (register_dump_files_1): ... this one. Do not modify the pass
9188 (next_pass_1): Cosmetic fix.
9189 (execute_todo): Keep second parameter only. Use curr_properties
9190 instead of fetching it from the pass structure. Check and set
9192 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9193 instead of fetching it from the pass structure. Fix calls to
9194 execute_todo. Update curr_properties and initialize .vcg RTL dump
9195 after running the pass. Reset last_verified.
9196 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9198 (FIRST_AUTO_NUMBERED_DUMP): New.
9199 (dump_register): Remove "num" parameter, assign it within the
9201 (get_dump_file_name): Modify template for dumps.
9202 * tree-dump.h (dump_register): Adjust prototype.
9203 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9204 (PROP_trees): Add PROP_gimple_lomp.
9205 (TODO_set_props): New.
9206 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9207 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9208 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9210 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9212 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9213 (sparc64-*-linux*): Likewise.
9214 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9215 * config/sparc/t-linux: New file.
9216 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9217 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9218 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9219 -m32 -mlong-double-128.
9221 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9222 * config/alpha/t-linux: New file.
9223 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9225 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9226 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9227 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9228 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9229 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9230 (CPP_ARCH32_SPEC): Remove.
9232 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9234 PR tree-optimization/26145
9235 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9238 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9241 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9242 >= 240000 when generating code for SOM runtime.
9243 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9244 to $$dyncall when generating code for SOM runtime..
9246 2006-02-07 Dirk Mueller <dmueller@suse.com>
9249 * doc/invoke.texi (-Wsequence-point): Update documentation
9250 that -Wsequence-point is implemented for C++ as well.
9252 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9254 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9255 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9256 (LIB_SPEC): Likewise.
9257 * doc/invoke.texi (SPARC options): Document -pthread.
9259 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9261 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9264 2006-02-07 Roger Sayle <roger@eyesopen.com>
9266 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9267 Correct comment describing BOOLEAN_TYPE.
9269 2006-02-07 Dirk Mueller <dmueller@suse.com>
9271 * c.opt: C++ frontend supports -Wdiv-by-zero.
9272 * c-opts.c (c_common_handle_option): Remove dead case.
9274 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9276 * configure.ac (TLS assembler check): Do not enable TLS by
9277 default on SPARC/Solaris before version 10.
9278 * configure: Regenerate.
9280 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9282 * doc/invoke.texi (xl-compat): Document conversion and support
9285 2006-02-07 Jeff Law <law@redhat.com>
9287 * tree-vrp.c (find_conditional_asserts): Update comments.
9288 (simplify_stmt_for_jump_threading): New.
9289 (identify_jump_threads, finalize_jump_threads): New.
9290 (vrp_finalize): Call identify_jump_threads.
9291 (execute_vrp): Call finalize_jump_threads.
9292 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9293 (vrp_element, vrp_data, vrp_element_p): Remove.
9294 (vrp_hash_elt, vrp_variables_stack): Remove.
9295 (vrp_hash, vrp_eq, record_range): Remove.
9296 (simplify_cond_and_lookup_avail_expr): Remove.
9297 (extract_range_from_cond): Remove.
9298 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9299 (simplify_stmt_for_jump_threading): New.
9300 (dom_thread_across_edge): New wrapper.
9301 (tree_ssa_dominator_optimize): No longer initialize or
9302 finalize any of the VRP datastructures. Remove iteration
9303 step and simplify as a result of removal of iteration step.
9304 (pass_dominator): Perform a cfg cleanup after DOM.
9305 (dom_opt_finalize_block): Use the new common routines
9306 for threading jumps. Simplify stack management slightly.
9307 No longer need to unwind VRP state.
9308 (record_equivalences_from_incoming_edge): No longer record
9310 (eliminate_redundant_computations): No longer call
9311 simplify_cond_and_lookup_avail_expr.
9312 * tree-flow.h (potentially_threadable_block): Prototype.
9313 (thread_across_edge): Likewise.
9314 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9315 (tree-ssa-threadedge.o): Add dependencies.
9316 * tree-ssa-threadedge.c: New file.
9317 * passes.c (init_optimization_passes): Merge PHIs before
9318 calling VRP. Run VRP again late in the SSA optimization pipeline.
9320 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9322 * df-core.c (df_set_blocks): Do not dereference function pointers.
9323 (df_finish1): Likewise.
9324 (df_hybrid_search_forward): Likewise.
9325 (df_hybrid_search_backward): Likewise.
9326 (df_iterative_dataflow): Likewise.
9327 (df_analyze_problem): Likewise.
9328 (df_compact_blocks): Likewise.
9329 (df_dump): Likewise.
9330 * df-scan.c (df_rescan_blocks): Likewise.
9331 (df_record_entry_block_defs): Likewise.
9333 * genconditions.c (write_conditions): Guard the definition of
9334 'insn_conditions' with the check on GCC version.
9335 (write_writer): Guard the traversal 'insn_conditions' with
9336 the check on GCC version.
9338 2006-02-07 Richard Guenther <rguenther@suse.de>
9342 2006-01-30 Richard Guenther <rguenther@suse.de>
9344 * gimplify.c (gimplify_target_expr): Handle easy cases
9345 without creating a temporary.
9347 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9349 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9350 use of float in probability computations. Use edge probabilities
9351 in place of statically computed probabilities.
9352 (min_spec_prob): New static variable.
9353 (schedule_insns): Initialize it.
9354 (GET_SRC_PROB): Removed.
9355 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9357 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9360 * config/ia64/unwind-ia64.c: Revert last change.
9361 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9362 (INCOMING_FRAME_SP_OFFSET): Define.
9364 2006-02-06 Roger Sayle <roger@eyesopen.com>
9366 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9368 2006-02-07 Ben Elliston <bje@au.ibm.com>
9370 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9371 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9372 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9373 (ix86_return_in_memory): Handle TDmode.
9374 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9375 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9377 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9379 * reorg.c (dbr_schedule): Use dump_file instead of file.
9381 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9384 * config/ia64/predicates.md (extr_len_operand): New predicate.
9385 * config/ia64/ia64.md (extv): Tighten constraints.
9387 (*tbit_and_2): Ditto.
9388 (*tbit_and_3): Ditto.
9389 (*tbit_or_2): Ditto.
9390 (*tbit_or_3): Ditto.
9394 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9397 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9399 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9401 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9402 loop_optimizer_init and loop_optimizer_finalize
9403 * tree-ssa-sink.c (execute_sink_code): Ditto.
9404 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9405 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9406 tree_ssa_loop_done): Ditto.
9407 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9408 * sched-ebb.c: Include output.h.
9409 (schedule_ebbs): Do not use dump argument.
9410 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9411 * loop.c (loop_dump_stream): Removed.
9412 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9414 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9415 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9416 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9417 loop_iterations, strength_reduce, record_biv, record_giv,
9418 final_giv_value, check_final_value, check_ext_dependent_givs,
9419 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9420 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9421 dump_file instead of loop_dump_stream.
9422 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9424 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9426 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9427 * haifa-sched.c: Include output.h
9428 (schedule_insns, sched_init): Do not use dump argument.
9429 * mode-switching.c (optimize_mode_switching): Ditto.
9430 * modulo-sched.c (stats_file): Removed.
9431 (print_node_sched_params): Do not call argument dump_file.
9432 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9433 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9435 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9437 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9438 rtl_loop_init, rtl_loop_done): Ditto.
9439 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9440 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9442 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9443 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9444 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9445 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9446 * emit-rtl.c (renumber_insns): Ditto.
9447 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9448 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9449 * regclass.c (regclass): Ditto.
9450 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9451 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9452 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9453 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9455 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9456 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9458 * gcse.c (gcse_file, debug_stderr): Removed.
9459 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9460 rest_of_handle_gcse): Do not use dump argument.
9461 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9462 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9463 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9464 compute_code_hoist_vbeinout, compute_code_hoist_data,
9465 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9466 compute_store_table, build_store_vectors, insert_insn_start_bb,
9467 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9468 store_motion): Use dump_file instead of gcse_file.
9469 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9470 * profile.c (profile_dump_file): Removed.
9471 (branch_prob): Use dump_file instead of profile_dump_file.
9472 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9474 * tree-ssa-copy.c (dump_copy_of): Ditto.
9475 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9476 dump file to life_analysis.
9477 * bt-load.c (branch_target_load_optimize): Ditto.
9478 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9480 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9481 regclass, dbr_schedule): Declaration changed.
9482 * sched-int.h (sched_init): Declaration changed.
9483 * tree-profile.c (tree_profile_dump_file): Removed.
9484 (tree_profile_hooks): Removed profile_dump_file hook.
9485 * rtl-profile (rtl_profile_dump_file): Removed.
9486 (rtl_profile_hooks): emoved profile_dump_file hook.
9487 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9489 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9490 * tree-cfg.c (build_tree_cfg): Ditto.
9491 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9492 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9493 Declaration changed.
9494 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9495 life_analysis and schedule_insns.
9496 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9498 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9500 * config/mips/mips.c (mips_reorg): Ditto.
9501 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9504 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9506 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9507 (s390_mangle_fundamental_type): New.
9508 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9511 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9512 (alpha_mangle_fundamental_type): New.
9513 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9516 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9518 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9520 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9521 (sparc_mangle_fundamental_type): New.
9523 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9525 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9526 (s390x-*-linux*): Likewise.
9527 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9528 * config/s390/t-linux: New file.
9530 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9532 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9533 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9535 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9537 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9538 (ANTIC_SAFE_LOADS): New macro.
9539 (find_or_generate_expression): Add prototype.
9540 (set_contains_value): Allow null set for sake of not always having
9541 to allocate ANTIC_SAFE_LOADS.
9542 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9543 Allow COMPONENT_REF too.
9544 (valid_in_set): Allow COMPONENT_REF.
9545 Check ANTIC_SAFE_LOADS too.
9546 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9547 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9549 (can_PRE_operation): Add COMPONENT_REF.
9550 (create_component_ref_by_pieces): New function.
9551 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9552 (insert_aux): Move AGGREGATE_TYPE_P check here.
9553 (compute_avail): Set bb local stmt uids.
9554 (pass_pre): Use TODO_update_ssa_only_virtuals.
9556 2006-02-06 Ben Elliston <bje@au.ibm.com>
9558 * configure.ac: Unconditionally disable decimal float by default.
9559 * configure: Regenerate.
9561 2006-02-06 Ben Elliston <bje@au.ibm.com>
9563 * read-rtl.c (read_name): Terminate reading on EOF.
9565 2006-02-06 Ben Elliston <bje@au.ibm.com>
9567 * dfp.c (decimal_real_arithmetic): Change second argument type
9568 from int to enum tree_code. Do not always return true, but now
9569 return result of any call to decimal_do helper functions.
9570 * dfp.h (decimal_real_arithmetic): Update prototype.
9572 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9574 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9576 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9579 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9582 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9584 * tree-vrp.c (cfg_loops): Removed.
9585 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9586 Use current_loops instead of cfg_loops. Pass flags to
9587 loop_optimizer_init.
9588 * cfgloopmanip.c (fix_loop_structure): Update only available
9590 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9591 loop_optimizer_init.
9592 * modulo-sched.c (build_loops_structure): Removed.
9593 (sms_schedule): Use loop_optimizer_init.
9594 * loop-init.c (loop_optimizer_init): Use flags to determine
9595 which properties of loops to prepare.
9596 (rtl_loop_init): Pass flags to loop_optimizer_init.
9597 * tree-ssa-sink.c (execute_sink_code): Ditto.
9598 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9599 * tree-ssa-pre.c (init_pre): Ditto.
9600 * cfgloop.h (LOOPS_NORMAL): New.
9601 (loop_optimizer_init): Declaration changed.
9603 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9605 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9606 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9608 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9610 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9612 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9613 * pa/t-pa64: Delete quadlib.c rule.
9614 * pa/x-ada: Revert last change.
9615 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9617 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9619 PR rtl-optimization/26087
9620 * rtlanal.c (canonicalize_condition): Do not cross basic block
9623 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9626 * config/ia64/ia64.c: Include debug.h.
9627 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9628 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9629 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9630 (process_epilogue, process_set, process_for_unwind_directive):
9631 Output unwind info only if requested. Add CFA info if requested.
9632 Add new arguments as needed. Adjust callers.
9633 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9635 (DWARF2_FRAME_INFO): Define to zero.
9636 * config/ia64/unwind-ia64.c: Remove code that compensated for
9637 the CFA offset error fixed above.
9638 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9639 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9640 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9641 -funwind-tables and -fexceptions to enable frame info.
9642 (dwarf2out_frame_init): Define initial CFA even if
9643 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9644 DWARF2_UNWIND_INFO is nonzero, not just defined.
9645 (dwarf2out_frame_finish): Output non-EH call frame info only
9646 if DWARF2_FRAME_INFO is nonzero.
9647 (convert_cfa_to_loc_list,
9648 compute_frame_pointer_to_cfa_displacement): Define even if
9649 unwind info is not supported.
9650 (gen_subprogram_die): Use the above unconditionally. Remove
9651 legacy alternate code.
9652 * toplev.c (compile_file): Compile in call to
9653 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9654 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9656 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9657 Jakub Jelinek <jakub@redhat.com>
9659 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9660 IBM extended float format long double as "g" on powerpc*-linux.
9662 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9665 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9666 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9668 2006-02-03 Jason Merrill <jason@redhat.com>
9671 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9674 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9675 on the return slot if it's an NRV.
9677 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9679 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9680 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9681 rewrite_use): Do not handle USE_OUTER.
9682 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9683 add_iv_outer_candidates, may_replace_final_value,
9684 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9685 (find_interesting_uses_op): Functionality of
9686 find_interesting_uses_outer_or_nonlin moved here.
9687 (find_interesting_uses_outside): Use find_interesting_uses_op.
9689 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9692 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9694 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9695 Ulrich Weigand <uweigand@de.ibm.com>
9698 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9699 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9700 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9701 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9703 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9704 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9705 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9706 Define secondary reloads for TFmode moves.
9707 (constant_modes): Add TFmode.
9708 (NR_C_MODES): Set to 8.
9709 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9711 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9712 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9713 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9714 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9715 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9716 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9717 (FPR mode macro): Add TFmode.
9718 (DSF mode macro): New.
9719 (<de>, <dee> mode attributes): Removed.
9720 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9721 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9722 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9723 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9724 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9725 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9726 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9727 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9728 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9729 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9730 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9731 "*negabs<mode>2", "sqrt<mode>2"):
9732 Changed <de> to <xde>. R constraint replaced by <Rf>.
9733 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9735 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9736 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9737 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9739 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9740 "extenddftf2", "extendsftf2"): New expanders.
9741 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9742 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9743 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9744 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9746 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9747 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9748 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9749 __floatditf): Add a GCC_4.1.0 symbol version tag.
9750 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9753 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9756 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9757 Use targetm.binds_local_p instead of TREE_PUBLIC.
9759 2006-02-02 Roger Sayle <roger@eyesopen.com>
9761 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9762 on INTEGER_TYPEs to indicate that it denotes a character type.
9763 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9764 signed_char_type_node, unsigned_char_type_node and char_type_node.
9765 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9766 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9767 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9769 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9770 Daniel Berlin <dberlin@dberlin.org>
9772 * tree-tailcall.c (arg_needs_copy_p): New function.
9773 (eliminate_tail_call): Use arg_needs_copy_p.
9774 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9775 (add_virtual_phis): New function.
9777 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9779 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9780 #ignore instead of #scratch for %g7 .register directive.
9782 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9784 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9787 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9789 * flow.c (calculate_global_regs_live): Assert that there aren't any
9792 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9794 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9796 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9797 bsi_after_labels iterator.
9798 * tree-if-conv.c (find_phi_replacement_condition,
9799 replace_phi_with_cond_modify_expr): Likewise.
9800 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9801 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9803 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9805 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9807 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9810 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9811 array after growing it.
9813 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9816 * fold-const.c (fold_checksum_tree): Change type of buf.
9818 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9820 * reload.c (push_secondary_reload): Initialize t_icode.
9822 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9824 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9825 -msoft-float -mlong-double-128 only issue a warning, but don't
9826 swich to DFmode long double.
9828 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9830 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9831 has a constant equivalent, iterate over equivalents for arg0,
9832 calling simplify_relational_operation and if there's a result
9833 cheaper than X, apply fold_rtx and return the result.
9835 2006-02-01 Jan Hubicka <jh@suse.cz>
9837 * opts.c (no_unit_at_a_time_default): New global variable.
9838 (decode_options): Use it.
9839 * opts.h (no_unit_at_a_time_default): Declare.
9841 2006-02-01 Paul Brook <paul@codesourcery.com>
9843 * function.c (assign_parm_setup_reg): Use function argument promotion
9845 * expr.c (expand_expr_real_1): Use function argument promotion rules
9848 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9850 * gcc.c (process_command): Change j to 'unsigned int'.
9852 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9855 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9856 Use the corrected index for the character
9857 out of the string constant.
9859 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9861 * mode-switching.c (optimize_mode_switching): Fix size
9862 allocated for bb_info[n_entities].
9864 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9866 * gcc.c (main): Correct type that is allocated for
9867 explicit_link_files.
9869 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9871 * config/s390/s390.c (init_alignment_context): Set
9872 ALIAS_SET_MEMORY_BARRIER on the MEM.
9873 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9875 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9878 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9880 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9883 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9885 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9886 * regrename.c: Ditto.
9887 * tree-ssa-loop-im.c: Ditto.
9888 * tree-dump.c: Ditto.
9889 * tree-complex.c: Ditto.
9890 * genrecog.c: Ditto.
9891 * tree-ssa-threadupdate.c: Ditto.
9893 * java/class.c: Ditto.
9894 * java/jcf-parse.c: Ditto.
9895 * java/resource.c: Ditto.
9896 * java/except.c: Ditto.
9897 * java/jvspec.c: Ditto.
9898 * java/jcf-write.c: Ditto.
9899 * java/jcf-path.c: Ditto.
9900 * java/gjavah.c: Ditto.
9901 * java/zextract.c: Ditto.
9902 * java/jcf-io.c: Ditto.
9903 * java/jcf.h: Ditto.
9904 * java/buffer.c: Ditto.
9905 * java/lang.c: Ditto.
9906 * java/parse-scan.y: Ditto.
9907 * java/lex.c: Ditto.
9908 * java/lex.h: Ditto.
9909 * cfgloopmanip.c: Ditto.
9910 * postreload-gcse.c: Ditto.
9911 * tree-ssa-loop-manip.c: Ditto.
9912 * postreload.c: Ditto.
9913 * tree-ssa-loop-ch.c: Ditto.
9917 * diagnostic.c: Ditto.
9919 * genoutput.c: Ditto.
9921 * cfghooks.c: Ditto.
9922 * cfgloopanal.c: Ditto.
9923 * objc/objc-act.c: Ditto.
9925 * genextract.c: Ditto.
9926 * genautomata.c: Ditto.
9927 * pretty-print.c: Ditto.
9929 * cgraphunit.c: Ditto.
9932 * haifa-sched.c: Ditto.
9933 * dominance.c: Ditto.
9935 * tree-ssa-loop-ivopts.c: Ditto.
9937 * mode-switching.c: Ditto.
9938 * modulo-sched.c: Ditto.
9940 * ipa-pure-const.c: Ditto.
9942 * fix-header.c: Ditto.
9944 * tree-stdarg.c: Ditto.
9945 * ipa-utils.c: Ditto.
9946 * loop-init.c: Ditto.
9947 * ipa-inline.c: Ditto.
9950 * alloc-pool.c: Ditto.
9951 * dwarf2out.c: Ditto.
9953 * genattrtab.c: Ditto.
9954 * tree-ssa-loop-ivcanon.c: Ditto.
9958 * fortran/gfortranspec.c: Ditto.
9960 * local-alloc.c: Ditto.
9961 * langhooks.c: Ditto.
9962 * function.c: Ditto.
9963 * tree-vectorizer.c: Ditto.
9965 * ipa-type-escape.c: Ditto.
9967 * tree-if-conv.c: Ditto.
9970 * tree-data-ref.c: Ditto.
9971 * loop-unroll.c: Ditto.
9972 * treelang/treetree.c: Ditto.
9975 * ggc-common.c: Ditto.
9977 * coverage.c: Ditto.
9979 * tree-cfgcleanup.c: Ditto.
9980 * tree-ssa-pre.c: Ditto.
9981 * cfgcleanup.c: Ditto.
9982 * loop-invariant.c: Ditto.
9984 * ipa-prop.c: Ditto.
9985 * print-tree.c: Ditto.
9986 * conflict.c: Ditto.
9987 * ggc-page.c: Ditto.
9988 * sched-deps.c: Ditto.
9989 * regclass.c: Ditto.
9990 * tree-object-size.c: Ditto.
9992 * bb-reorder.c: Ditto.
9993 * resource.c: Ditto.
9994 * var-tracking.c: Ditto.
9996 * df-problems.c: Ditto.
9997 * reg-stack.c: Ditto.
10000 * sched-rgn.c: Ditto.
10001 * tree-ssa-structalias.c: Ditto.
10002 * tree-ssa-reassoc.c: Ditto.
10003 * config/darwin-c.c: Ditto.
10004 * config/darwin.c: Ditto.
10005 * config/arm/arm.c: Ditto.
10007 * collect2.c: Ditto.
10008 * reload1.c: Ditto.
10010 2006-01-31 Nicolas Pitre <nico@cam.org>
10012 * arm.md (smaxsi3): Make aware of smax_m1.
10015 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10017 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10019 2006-01-31 Richard Guenther <rguenther@suse.de>
10021 * doc/invoke.texi (-msselibm): Document.
10022 * target.h (expand_library_builtin): New target hook.
10023 * builtins.c (expand_builtin): Use expand_library_builtin.
10024 (default_expand_library_builtin): New function.
10025 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10026 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10027 (link_gcc_math_spec): Declare.
10028 (static_specs): Add link_gcc_math_spec.
10029 * expr.h (default_expand_library_builtin): Declare.
10030 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10031 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10032 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10033 * config/i386/i386.opt (msselibm): New target option.
10034 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10035 (ix86_init_sse_abi_builtins): New function.
10036 (ix86_expand_library_builtin): Likewise.
10037 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10038 (override_options): Handle error conditions wrt -msselibm.
10039 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10040 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10041 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10044 2006-01-31 Richard Guenther <rguenther@suse.de>
10045 Paolo Bonzini <bonzini@gnu.org>
10047 * doc/install.texi (--disable-libgcc-math): Document.
10049 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10051 * expr.h (expand_normal): new inline function.
10052 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10053 * dojump.c: use it.
10054 * dwarf2out.c: use it.
10057 * expmed.c: use it.
10058 * except.c: use it.
10059 * config/sparc/sparc.c: use it.
10060 * config/i386/i386.c: use it.
10061 * config/rs6000/rs6000.c: use it.
10062 * config/arm/arm.c: use it.
10063 * config/mips/mips.c: use it.
10064 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10066 2006-01-30 Roger Sayle <roger@eyesopen.com>
10068 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10069 argv to the appropriate type.
10071 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10073 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10076 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10079 * config/s390/s390.c (struct machine_function): New flag
10080 decomposed_literal_pool_addresses_ok_p.
10081 (s390_reorg): Set it before final stage of literal pool transforms.
10082 (s390_decompose_address): Only accept displacements of the form
10083 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10085 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10087 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10088 the comparison routine return.
10090 2006-01-30 Michael Matz <matz@suse.de>
10092 * global.c (find_reg): Only evict for global regs.
10093 Take n_refs into account and dump more info.
10095 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10098 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10099 (pragma_trap, pragma_nosave_low_regs): Likewise.
10100 (current_function_anonymous_args): Likewise.
10101 (sh_deferred_function_attributes): New variable.
10102 (sh_deferred_function_attributes_tail): Likewise.
10103 (print_operand): For '@', look up trap_exit attribute.
10104 (calc_live_regs): Look up trapa_handler attribute. For trapa
10105 handlers, save/restore fpscr, but don't do any other
10106 interrupt-specific saves.
10107 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10108 Fix check for partially saved registers to check for SHmedia.
10109 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10110 (sh_output_function_epilogue): Don't clear any of the removed
10112 (sh_insert_attributes): Don't check pragma_interrupt.
10113 Insert deferred attributes. Check that interrupt attribute is
10114 present for other attributes that require its presence.
10115 (sh_attribute_table): Add new attributes trapa_handler and
10117 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10118 Don't check for pragma_interrupt. Don't store argument.
10119 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10120 (sh_deferred_function_attributes): Declare.
10121 (sh_deferred_function_attributes_tail): Likewise.
10122 * sh.md (sp_switch_1): Add operand. Change generator caller.
10123 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10124 (*return_i): Don't use when trap_exit attribute is in effect.
10125 (*return_trapa): New insn pattern.
10126 * sh-c.c: New file.
10127 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10128 setting c_target_objs and cxx_target_objs.
10129 * t-sh: Add rule for sh-c.o.
10131 2006-01-30 Richard Guenther <rguenther@suse.de>
10134 * gimplify.c (gimplify_target_expr): Handle easy cases
10135 without creating a temporary.
10137 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10139 * vec.h (safe_grow): Remove duplicated line.
10141 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10144 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10145 (expand_omp): ... here.
10146 (expand_omp_parallel): Only remove barriers for combined
10147 parallel+workshare constructs.
10149 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10153 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10154 * tree.c (build_qualified_type): Chain the new type to the original
10155 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10156 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10157 (build_pointer_type_for_mode): Only return unqualified types.
10158 (build_reference_type_for_mode): Likewise.
10160 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10162 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10163 * Makefile.in (CXX_COMPAT_WARN): Define.
10164 * configure: Regenerate.
10166 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10169 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10172 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10174 * toplev.c: Fix thinko.
10176 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10177 Marcin Dalecki <martin@dalecki.de>
10179 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10180 (push_srcloc): Use XNEW.
10181 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10183 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10185 * df-core.c (df_set_blocks): Deleted all variable.
10187 2006-01-28 Ian Lance Taylor <ian@airs.com>
10189 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10190 cgraph_output_pending_asms.
10192 2006-01-28 Zack Weinberg <zackw@panix.com>
10194 * c.opt: Add -W(no-)overlength-strings.
10195 * doc/invoke.texi: Document it.
10196 * c-opts.c (c_common_handle_option): -pedantic implies
10197 -Woverlength-strings, if not explicitly disabled already.
10198 (c_common_post_options): -Woverlength-strings defaults to off, and
10199 is always off for C++.
10200 * c-common.c (fix_string_type): Issue warning about strings longer
10201 than is portable only if warn_overlength_strings. Rearrange code
10202 a little for clarity.
10203 * configure.in: Check for -Wno-overlength-strings as well before
10204 enabling -pedantic in stage 1.
10205 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10206 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10208 * genconditions.c (write_header, write_one_condition)
10209 (write_conditions, write_writer): Consolidate very long strings
10210 that were broken up to fit in C89 portable limit. Don't use
10211 printf when fputs will do.
10213 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10215 * combine.c (simplify_comparison <AND>): Check
10216 TRULY_NOOP_TRUNCATION before start using a subreg.
10218 * config/mips/mips.md (*branch_zero<mode>,
10219 *branch_zero<mode>_inverted, *branch_equality<mode>,
10220 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10221 Remove mode check from comparisons.
10223 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10225 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10227 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10229 * expmed.c (const_mult_add_overflow_p): Remove.
10230 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10232 * recog.c (validate_replace_rtx_subexp): Remove.
10233 * recog.h: Remove the prototype for
10234 validate_replace_rtx_subexp.
10236 * integrate.h: Remove the prototype for
10237 copy_decl_for_inlining.
10238 * rtl.h: Remove the prototype for mark_constant_function.
10239 * tree-vectorizer.h: Remove the prototype for
10240 vect_strip_conversion.
10242 * modulo-sched.c (create_partial_schedule,
10243 free_partial_schedule, reset_partial_schedule): Make them
10246 * hooks.c (hook_bool_rtx_int_false): Remove.
10247 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10249 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10251 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10252 and -mlong-double-128 are incompatible.
10253 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10254 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10255 (TARGET_LIBGCC2_CFLAGS): Define.
10256 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10257 (TARGET_LIBGCC2_CFLAGS): Same.
10258 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10260 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10263 * c-typeck.c (build_binary_op): Perform implicit casts of
10264 operands before shortening them.
10266 * cfgloopmanip.c (split_loop_bb): Remove.
10267 * cfgloop.h: Remove the prototype for split_loop_bb.
10269 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10270 * cfgloop.h: Remove the prototype for
10271 flow_loop_outside_edge_p.
10273 * emit-rtl.c (init_virtual_regs): Make it static.
10274 * function.h: Remove the prototype for init_virtual_regs.
10276 * recog.c (peephole2_optimize): Make it static.
10277 * recog.h: Remove the prototype for peephole2_optimize.
10279 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10281 * df-scan.c (df_record_entry_block_defs): Check if
10282 INCOMING_RETURN_ADDR_RTX is defined.
10284 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10285 Kenneth Zadeck <zadeck@naturalbridge.com>
10287 PR rtl-optimization/24762
10288 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10289 * targhooks.c (hook_void_bitmap): New hook prototype.
10290 * targhoohs.h (hook_void_bitmap): Ditto.
10291 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10292 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10293 * target.h (live_on_entry): New function pointer.
10294 * df-scan.c (df_all_hard_regs): Removed.
10295 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10296 (df_scan_free_internal): Added df->entry_block_defs.
10297 (df_scan_alloc): Ditto.
10298 (df_scan_dump): Ditto.
10299 (df_uses_record): Plumbed flag field properly thru calls.
10300 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10301 This part fixes PR24762.
10302 (df_bb_refs_record): Added code to make the frame and arg
10303 pointers live in EH blocks.
10304 (df_refs_record): Added call to df_record_entry_block_defs.
10305 (df_record_entry_block_defs): New function.
10306 * df-core.c: Added comments to describe new artifical defs.
10307 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10308 (entry_block_defs): New field in struct df.
10309 (df_all_hard_regs): Deleted.
10310 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10311 * df-problems.c (df_ru_bb_local_compute_process_def):
10312 Added code to handle artifical defs in the entry to a function.
10313 (df_ru_bb_local_compute): Ditto.
10314 (df_rd_bb_local_compute_process_def): Ditto.
10315 (df_rd_bb_local_compute): Ditto.
10316 (df_lr_bb_local_compute): Ditto.
10317 (df_ur_bb_local_compute): Ditto.
10318 (df_urec_bb_local_compute): Ditto.
10319 (df_chain_create_bb): Ditto.
10320 (df_ur_local_finalize): Removed entry.
10321 (df_urec_init): Ditto.
10322 (df_urec_local_finalize): Ditto.
10323 (df_ri_bb_compute): Added detection of last use of pseudos.
10324 * Makefile.in (df-scan.o): Updated dependencies.
10325 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10326 * config/mips/mips.c (mips_set_live_on_entry): Added.
10327 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10329 * dce.c (marked_insn_p): Added code to handle artifical defs.
10331 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10333 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10335 (_mm_cvtsi128_si64): Likewise.
10336 (_mm_cvtsd_si64): Likewise.
10337 (_mm_cvttsd_si64): Likewise.
10338 (_mm_cvtsi64_sd): Likewise.
10339 (_mm_cvtsi64_si128): Likewise.
10340 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10341 (_mm_cvtsi64_m64): Likewise.
10342 (_m_to_int64): Likewise.
10343 (_mm_cvtm64_si64): Likewise.
10344 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10345 (_mm_cvttss_si64): Likewise.
10346 (_mm_cvtsi64_ss): Likewise.
10347 (_mm_cvtss_f32): Likewise.
10349 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10351 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10352 for pragma redefine_extname.
10354 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10357 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10358 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10359 -mno-minimal-toc to previous content.
10360 (bispecs): Remove goal.
10361 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10362 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10363 compatibility aliases on powerpc-*-*gnu*.
10364 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10365 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10366 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10367 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10368 (ldblspecs): New goal.
10369 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10370 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10372 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10373 L_sf_to_tf or L_df_to_tf is defined.
10375 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10376 Alan Modra <amodra@bigpond.net.au>
10379 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10380 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10381 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10382 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10383 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10384 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10385 (rs6000_override_options): Initialize rs6000_ieeequad.
10386 Initialize TFmode format to ibm_extended_format if not
10388 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10390 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10391 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10392 (function_arg_advance): IBM long double passed in two FPRs, not
10394 (function_arg): IBM long double passed in FPRs.
10395 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10396 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10397 Only multireg GPR aligned.
10398 (rs6000_init_libfuncs): Enable IBM long double functions if not
10400 (rs6000_generate_compare): Use IBM long double compare if not
10402 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10403 (TARGET_IEEEQUAD): Define.
10404 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10405 not TARGET_IEEEQUAD.
10406 * config/rs6000/rs6000.md: Enable TFmode patterns if
10408 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10409 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10410 and -mlong-double-128 are incompatible.
10411 * doc/invoke.texi (-mabi): Collect options together. Add
10412 ibmlongdouble and ieeelongdouble.
10414 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10416 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10418 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10419 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10420 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10421 * rtl.h (rtunion_def): Remove rt_ptr.
10423 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10424 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10425 * config/i386/winnt.c (i386_pe_mark_dllexport)
10426 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10428 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10430 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10432 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10436 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10437 pthread_key_delete. From John David Anglin. gthrw-ify
10438 pthread_getunique_np only if it it's not a macro. Delete
10440 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10441 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10442 __gthread_objc_condition_signal, __gthread_key_delete): Add
10443 "__attribute__ ((__unused__))" to unused arguments.
10444 (__gthread_recursive_mutex_init_function): Add missing return.
10445 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10446 gthr-posix95.h: Use macro-based approach for name redirection
10447 on targets missing weakref.
10449 2006-01-26 Zack Weinberg <zackw@panix.com>
10451 * genconditions.c (write_header): In generated code, #ifdef out
10452 all includes and fake declarations, except includes of bconfig.h
10453 and system.h, unless GCC_VERSION >= 3001. Do not include
10454 gensupport.h in any case.
10455 (write_conditions): Generate a definition of struct c_test. Add
10456 a comment to the generated #endif.
10457 (write_one_condition): Escape backslashes in string too.
10458 (write_writer): Generated code must escape backslashes and quote
10459 marks (but not newlines) in the strings it writes.
10460 * Makefile.in (build/gencondmd.o): Update dependencies.
10462 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10465 * Makefile.in (insn-automata.o): Add header file dependencies.
10466 * genautomata.c: Add includes.
10468 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10471 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10473 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10475 * configure.ac: Expect target tools paths to be passed from the toplevel
10476 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10478 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10480 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10483 * c.opt (Wpointer-sign): Init to -1.
10484 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10485 OPT_pedantic, to 0 otherwise.
10486 * doc/invoke.texi: Update.
10488 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10490 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10491 constants provided by 80387 instructions in the destination mode.
10493 2006-01-26 Richard Guenther <rguenther@suse.de>
10494 Andrew Pinski <pinskia@physics.uc.edu>
10497 partial PR tree-opt/17064
10498 * tree-ssa-structalias.c (intra_create_variable_infos):
10499 Create heap variables for incoming parameters if
10500 flag_argument_noalias > 1.
10501 (find_what_p_points_to): Look through default defs of
10504 2006-01-26 Jeff Law <law@redhat.com>
10507 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10508 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10509 within the VR_RANGE, use the VR_RANGE as the result, not the
10511 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10512 bounds for the type.
10514 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10516 * tree-ssa-alias.c (maybe_create_global_var): Change
10517 subvar walking to an assertion that we don't have subvar'd variables.
10519 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10522 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10523 Use a new variable, inner. PARM_DECLs are always non-weak.
10525 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10527 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10528 --disable-checking.
10530 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10532 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10534 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10536 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10537 (smax_insn, smin_insn, smax_0, smin_0): New.
10539 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10542 * config/cris/cris.c (cris_order_for_addsi3): New function.
10543 * config/cris/cris-protos.h: Prototype it.
10544 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10545 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10546 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10547 (split for "op.S1 [rx=rx+i],ry (swapped)")
10548 (split for "op(s|u).S1 [rx=rx+i],ry")
10549 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10550 Apply cris_order_for_addsi3 when generating addsi3 insns.
10552 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10554 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10555 (TREE_BLOCK): Add call to EXPR_CHECK.
10557 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10560 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10561 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10562 (dump_omp_clauses): ... here.
10563 (dump_generic_node): Handle OMP_CLAUSE.
10564 * tree.c (omp_clause_num_ops): New.
10565 (omp_clause_code_name): New.
10566 (tree_code_size): Handle OMP_CLAUSE.
10567 (tree_size): Likewise.
10568 (make_node): Document handling of OMP_CLAUSE.
10569 (tree_node_structure): Handle OMP_CLAUSE.
10570 (omp_clause_check_failed): New.
10571 (omp_clause_range_check_failed): New.
10572 (omp_clause_operand_check_failed): New.
10573 (build_omp_clause): New.
10574 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10575 * tree.h (enum omp_clause_code): Declare.
10576 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10577 (OMP_CLAUSE_RANGE_CHECK): Define.
10578 (OMP_CLAUSE_ELT_CHECK): Define.
10579 (omp_clause_check_failed): Declare.
10580 (omp_clause_operand_check_failed): Declare.
10581 (omp_clause_range_check_failed): Declare.
10582 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10583 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10584 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10585 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10586 (OMP_CLAUSE_IF_EXPR): Likewise.
10587 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10588 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10589 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10590 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10591 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10592 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10593 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10594 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10595 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10596 (OMP_CLAUSE_CODE): Define.
10597 (OMP_CLAUSE_SET_CODE): Define.
10598 (OMP_CLAUSE_CODE): Define.
10599 (OMP_CLAUSE_OPERAND): Define.
10600 (struct tree_omp_clause): Declare.
10601 (union tree_node): Add field 'omp_clause'.
10602 * treestruct.def (TS_OMP_CLAUSE): Define.
10603 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10604 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10605 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10606 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10607 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10608 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10609 (OMP_CLAUSE): Define.
10610 * print-tree.c (print_node): Handle OMP_CLAUSE.
10611 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10612 * c-typeck.c: Likewise.
10613 * gimplify.c: Likewise.
10614 * c-omp.c: Likewise.
10615 * tree-nested.c: Likewise.
10616 * tree-inline.c: Likewise.
10617 * c-parser.c: Likewise.
10618 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10621 2006-01-25 Roger Sayle <roger@eyesopen.com>
10623 PR rtl-optimization/25703
10624 * combine.c (try_combine): Handle zero_extract and strict_low_part
10625 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10627 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10629 * global.c: Fix comment typos.
10631 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10634 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10635 Use output_addr_const instead of assemble_name.
10637 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10639 * Makefile.in (sched-vis.o): Update dependencies.
10640 * haifa-sched.c (sched_finish): Clear current_sched_info.
10641 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10642 (dump_flow_info): Call it.
10643 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10645 * basic-block.h (dump_bb_info): Declare.
10646 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10647 option, and apply options only for dump files whose TDF_RTL,
10648 TDF_TREE, or TDF_IPA bits match.
10649 * rtl.h: Declare new functions exported from sched-vis.c.
10650 * sched-vis.c: Enable also if scheduling is not used.
10651 (print_value): Print the mode of registers if not inside scheduling.
10652 (print_insn): Make it work outside the scheduler. Beautify the output
10654 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10656 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10658 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10659 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10660 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10661 depending on the value of CONSTANT_POOL_ADDRESS_P.
10662 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10664 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10665 rather than SYMBOL_REF_DECL.
10666 (rtx_constant_pool): Remove const_rtx_sym_htab.
10667 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10668 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10669 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10670 Remove handling of const_rtx_sym_htab.
10671 (find_pool_constant): Delete.
10672 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10673 rather than find_pool_constant.
10674 (get_pool_constant_for_function): Delete.
10675 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10676 find_pool_constant.
10677 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10678 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10679 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10680 (SYMBOL_REF_CONSTANT): New macro.
10681 (get_pool_constant_for_function): Delete.
10682 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10683 rather than SYMBOL_REF_DECL.
10684 (i386_pe_mark_dllimport): Likewise.
10685 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10686 rather than SYMBOL_REF_DECL.
10687 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10688 (machopic_indirect_call_target): Likewise.
10690 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10692 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10694 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10696 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10698 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10700 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10702 2006-01-24 David Daney <ddaney@avtrex.com>
10705 * configure.ac (enable_tls): New enable option.
10706 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10707 * configure: Regenerate.
10708 * doc/install.texi (--enable-tls): Document new option.
10709 (--disable-tls): Ditto.
10711 2006-01-24 Richard Henderson <rth@redehat.com>
10713 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10714 * alias.c (true_dependence): Respect it.
10715 (canon_true_dependence, write_dependence_p): Likewise.
10716 * builtins.c (get_builtin_sync_mem): Set it.
10718 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10720 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10723 2006-01-24 DJ Delorie <dj@redhat.com>
10725 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10726 for storing constants in single-bit bitfields.
10728 2006-01-25 Ben Elliston <bje@au.ibm.com>
10730 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10732 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10735 * tree-ssa-pre.c (phi_translate): Return NULL
10736 for AGGREGATE_TYPE's.
10738 2006-01-24 Zack Weinberg <zackw@panix.com>
10740 * genautomata.c (process_state_for_insn_equiv_partition):
10741 Use xcalloc for insn_arcs_array.
10742 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10743 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10745 2006-01-24 Richard Henderson <rth@redhat.com>
10747 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10748 update all callers.
10750 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10752 PR rtl-optimization/25890
10753 PR rtl-optimization/25905
10754 * combine.c (expand_compound_operation, expand_field_assignment):
10755 Fail if the bitfield's final position is out of bounds.
10757 2006-01-24 Ian Lance Taylor <ian@airs.com>
10759 PR middle-end/25930
10760 * cgraphunit.c (cgraph_output_in_order): Don't clear
10761 cgraph_asm_nodes until after asm strings have been output.
10763 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10765 * fix-header.c (read_scan_file): Add new parameter imultilib when
10766 calling register_include_chains.
10768 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10770 * omp-low.c: Update documentation.
10772 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10773 Daniel Berlin <dberlin@dberlin.org>
10777 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10778 return from the function.
10780 2006-01-22 Zack Weinberg <zackw@panix.com>
10782 * rtl.def (match_code): Add second argument.
10783 * genpreds.c (write_extract_subexp): New function.
10784 (write_match_code): Add path argument. Use write_extract_subexp.
10785 (write_predicate_expr): Pass path to write_match_code.
10786 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10787 not perform a mode test.
10788 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10789 a subexpression does not constrain the top-level code set.
10790 * read-rtl.c (read_rtx_variadic): New function.
10791 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10792 * doc/md.texi: Document new notation.
10793 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10794 (cmpsi_operand): ... here, using new notation.
10796 2006-01-22 Zack Weinberg <zackw@panix.com>
10798 * varray.c: Remove GENERATOR_FILE #ifdefs.
10800 2006-01-22 Zack Weinberg <zackw@panix.com>
10802 * genautomata.c (output_reserved_units_table): Emit nothing if
10803 description->query_units_num is zero. Remove extra blank line.
10804 (output_cpu_unit_reservation_p): Short circuit
10805 if description->query_units_num is zero.
10807 2006-01-22 Zack Weinberg <zackw@panix.com>
10809 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10810 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10811 nor any of the random handful of variables that used to be necessary
10812 when this program was linked with rtlanal.o. Prune set of forward
10813 function declarations.
10814 (struct attr_desc): Remove static_p field.
10815 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10816 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10817 (attr_string): Do not read the character one past the length of
10819 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10820 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10821 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10822 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10823 (make_automaton_attrs): New.
10824 (main): Do not call into genautomata. Call local gen_bypass
10825 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10826 Remove special case for insn_alts.
10827 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10828 varray.h (leftover from previous change). Prune set of forward
10829 function declarations. Remove state_alts fields from all
10830 structures. Remove state_alts_table from struct automaton.
10831 Make everything except main static. Do not maintain num_dfa_decls.
10832 Do not maintain state_alts fields of various structures.
10833 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10834 (add_arc): Remove state_alts argument. All callers updated.
10835 (output_reserved_units_table): Emit #ifdef here...
10836 (output_tables): ...not here. Don't generate state_alts tables.
10837 (expand_automata): Don't generate attributes.
10838 (write_automata): Don't generate state_alts functions.
10839 (main): New function.
10840 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10841 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10842 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10843 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10844 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10845 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10846 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10847 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10849 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10850 * genattrtab.h: Delete file.
10851 * Makefile.in (OBJS-common): Add insn-automata.o.
10852 (insn-automata.o): New rule.
10853 (simple_generated_c): Add insn-automata.c.
10854 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10855 (genprogmd): Add automata.
10856 (build/genattrtab): Needs no extra objects nor libraries.
10857 (build/genautomata): Needs build/vec.o and -lm.
10859 2006-01-22 Zack Weinberg <zackw@panix.com>
10861 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10862 (output_dfa_max_issue_rate, locked_states_num): Delete.
10863 (struct automaton): Add locked_states field.
10864 (output_dead_lock_vect): Save number of locked states in
10865 automaton->locked_states. If it is zero, don't print anything.
10866 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10867 (output_internal_dead_lock_func): Only test the dead_lock_vect
10868 for automata that have locked states.
10869 (output_statistics): Always print the number of locked states for
10870 each automaton. Calculate total number of locked states here.
10871 (write_automata): Don't call output_dfa_max_issue_rate.
10872 * genattrtab.c: Define length_unit_log as a const variable.
10873 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10874 max_insn_queue_index const.
10875 * final.c (length_unit_log): Declare const.
10876 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10878 2006-01-22 Zack Weinberg <zackw@panix.com>
10880 * genautomata.c: Include vec.h, not varray.h.
10881 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10882 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10883 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10884 VEC_* macros operating on appropriately typed vectors, or to
10885 malloced arrays when the size is known in advance. Const-ify
10886 many char* variables and function arguments. No functional changes.
10887 * Makefile.in (build/varray.o): Delete rule.
10888 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10889 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10891 2006-01-22 Zack Weinberg <zackw@panix.com>
10893 * gensupport.c: Define get_insn_name and record_insn_name here.
10894 (read_md_rtx): Call record_insn_name as appropriate.
10895 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10896 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10897 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10899 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10900 (BUILD_VARRAY): Delete.
10901 (genprognormal): Rename genprogmd. Fold in all programs from
10902 genprognoprint; also attrtab.
10903 (build/genattrtab): Just mention genautomata.o and varray.o.
10904 Reorganize a bit, add comments to make the categories clearer.
10906 2006-01-22 Zack Weinberg <zackw@panix.com>
10908 * genconditions.c (condition_table, add_condition): Delete.
10909 (write_conditions): Don't emit n_insn_conditions nor
10910 insn_elision_unavailable. Issue the gcc version #ifdef here,
10911 inside the table, with no #else clause ...
10912 (write_header): ...not here.
10913 (write_writer): New function.
10914 (main): Don't initialize condition_table. Use add_c_test.
10916 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10917 files on the command line.
10918 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10919 Return -1 if there is no entry in the table, don't abort.
10920 (add_c_test, traverse_c_tests): New functions.
10921 * gensupport.h (insn_elision_unavailable, insn_conditions)
10922 (n_insn_conditions): Delete declarations.
10923 (add_c_test, traverse_c_tests): Declare.
10924 * read-rtl.c: Include gensupport.h.
10925 (read_conditions): New function.
10926 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10927 (read_rtx_1): If we get EOF when we were looking for an initial
10928 open paren, return 0. Call read_conditions when appropriate.
10929 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10930 dummy-conditions.o. Eliminate references to insn-conditions.o,
10931 or change them to build/gencondmd.o, as appropriate. Remove
10932 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10933 from $(simple_generated_c). For all files remaining in those
10934 two lists, add insn-conditions.md to the generator command line.
10935 Give insn-constants.h/s-constants their own rules. Add rules
10936 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10937 (build/read-rtl.o): Depend on gensupport.h.
10938 (genprognormal): Include preds.
10939 (genprogearly): Rename genprognoprint; only difference is now that
10940 they don't link with $(BUILD_PRINT).
10941 * dummy-conditions.c: Delete.
10943 2006-01-22 Zack Weinberg <zackw@panix.com>
10945 * genextract.c: Don't include insn-config.h. Do include vec.h.
10946 Declare vectors of int, char, and locstr.
10947 (locstr): New typedef.
10948 (struct extraction): Make all array fields into bare pointers.
10949 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10950 (insn_code_number): Delete.
10951 (accum_extract): New struct.
10952 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10953 (gen_insn): Take insn_code_number as an argument. Use an
10954 accum_extract structure instead of loading data directly into
10955 a struct extraction, and having to know how big it might get.
10956 (walk_rtx): Operate entirely on an accum_extract structure.
10957 (print_path): Avoid unnecessary use of printf.
10958 (print_header): New function, split out of main. Distinguish
10959 more carefully between an unrecognizable insn and an insn that
10960 has the code number of a define_expand.
10961 (main): Pass insn_code_number to gen_insn. Call print_header
10962 only after parsing. Avoid unnecessary use of printf.
10963 * Makefile.in (build/vec.o): New rule.
10964 (build/genextract): Depend on build/vec.o.
10965 (build/genextract.o): Don't depend on insn-config.h.
10967 2006-01-22 Zack Weinberg <zackw@panix.com>
10969 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10970 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10971 practical. Eliminate per-generator-program link rules.
10973 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10975 PR middle-end/24437
10976 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10977 with a call expr to ...
10978 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10980 2006-01-23 Richard Guenther <rguenther@suse.de>
10982 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10983 before make_edge with conditional EDGE_TRUE_VALUE.
10985 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10986 Jan Hubicka <jh@suse.cz>
10987 Richard Guenther <rguenther@suse.de>
10989 PR rtl-optimization/25654
10990 * cfgexpand.c (aggregate_contains_union_type): New function.
10991 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10992 for structure variables that contain a union type.
10994 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10996 * gengtype.c (new_structure): Return the structure.
10997 (create_option): Add an extra "next" argument.
10998 (create_field): New function.
10999 (adjust_field_rtx_def): Use create_option and create_field.
11000 Remove a now-unnecessary call to find_structure.
11001 (adjust_field_tree_def): Likewise.
11002 (note_yacc_type): Remove an unnecessary call to find_structure.
11003 * gengtype.h (new_structure): Return the structure.
11004 (create_option): Add an extra argument.
11005 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11006 (option): Adjust calls to create_option.
11008 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11010 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11012 2006-01-22 Paul Brook <paul@codesourcery.com>
11013 Peter Barada <peter@the-baradas.com>
11015 * config/m68k/m68k.md: Add Coldfire FPU support.
11016 Define FP mode macro and associated attributes.
11017 Use it for float mode patterns.
11018 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11019 (LIBCALL_VALUE): Use m68k_libcall_value.
11020 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11021 (m68k_function_value): Ditto.
11022 (emit_move_sequence): Ditto.
11023 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11024 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11025 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11026 (MULTILIB_EXCEPTIONS): Ditto.
11027 * config/m68k/m68k.opt: Add mcfv4e.
11028 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11029 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11030 (m68k_output_function_prologue): Save ColdFire FPU registers.
11031 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11032 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11033 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11034 ColdFire FPU registers.
11035 (m68k_libcall_value, m68k_function_value): New functions.
11036 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11037 (LIBCALL_VALUE): Use m68k_libcall_value.
11038 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11039 (MASK_COLDFIRE): Add MASK_CFV4E.
11040 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11041 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11042 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11043 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11044 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11045 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11046 * doc/invoke.tex: Document -mcfv4e on m68k.
11048 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11050 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11053 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11056 * c-opts.c (c_common_handle_option): Don't include
11057 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11058 * doc/invoke.texi (C++ Dialect Options): Document that
11059 -Wnon-virtual-dtor is no longer included in -Wall.
11061 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11063 * gcov.c (print_version), gcov-dump.c (print_version),
11064 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11067 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11069 * df-scan.c (problem_SCAN): Added NULL reset function.
11070 (df_scan_reset_blocks): Added code to call reset block function
11071 (df_bb_refs_delete) Fixed comment.
11072 (df_insn_refs_delete): Made tolerant of deleting non existent info
11073 for dataflow problems that need to be reset.
11074 * df-core.c (df_set_blocks): Ditto.
11075 * df.h (struct df_problem): Added reset_fun.
11076 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11077 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11078 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11079 functions to clear out all references to def-use or use-def chains.
11081 2006-01-21 Ben Elliston <bje@au.ibm.com>
11083 * varasm.c (assemble_real): Initialise data array.
11085 2006-01-20 Paul Brook <paul@codesourcery.com>
11087 Merge from csl-arm-branch.
11088 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11089 * config/arm/arm.md (movdi): Force operands[1] to a register
11090 if we have a non-register source.
11091 (*arm_movdi, *movdf_soft_insn): Require that one of the
11092 operands be a register.
11093 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11094 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11096 2006-01-20 DJ Delorie <dj@redhat.com>
11098 * varasm.c (initializer_constant_valid_p): Allow pointers
11099 initialized from integer constants of lesser precision.
11100 (output_constant): Allow non-int-sized pointer modes to be
11101 initialized from integer constants.
11103 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11106 * cppdefault.h (struct default_include): Add multilib flag.
11107 * cppdefault.c (cpp_include_defaults): Set it.
11108 * c.opt (-imultilib): New option.
11109 * c-opts.c (imultilib): New.
11110 (c_common_handle_option): Handle -imultilib.
11111 (c_common_post_options): Likewise.
11112 * c-incpath.c (add_standard_paths, register_include_chains):
11114 * c-incpath.h (register_include_chains): Add extra parameter.
11115 * gcc.c (do_spec_1): Generate -imultilib option.
11116 (The Specs Language): Update %I description.
11117 (process_command): Update copyright notice.
11118 * doc/cppopts.texi (-imultilib): Document.
11119 * doc/invoke.texi (-imultilib): Include in option summary.
11120 (%I): Update specs documentation.
11122 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11124 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11126 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11128 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11131 2006-01-20 Richard Guenther <rguenther@suse.de>
11132 Steven Bosscher <stevenb.gcc@gmail.com>
11134 PR rtl-optimization/24626
11135 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11136 EDGE_TRUE_VALUE if in RTL mode.
11139 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11140 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11142 2006-01-20 Dirk Mueller <dmueller@suse.com>
11145 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11146 instead of a special NOP marker.
11147 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11148 NOP marker handling.
11149 * c-common.h (empty_body_warning): Add forward declaration.
11150 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11151 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11153 2006-01-20 Paul Brook <paul@codesourcery.com>
11155 * Makefile.in (lang_checks): Keep going if mkdir fails.
11157 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11159 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11160 be able to clean out basic block when not necessary.
11161 (df_scan_free): Fixed to properly delete information if df is
11162 unused before calling df_finish.
11163 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11164 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11166 (df_bb_refs_delete): New function.
11167 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11168 * df-core.c (df_set_blocks): Added code to properly clean out
11169 unused blocks if they are not part of the blocks to consider.
11170 Added additional null check.
11171 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11172 be able to clean out basic block when not necessary
11173 * df.h (df_free_bb_function): Ditto.
11174 (df_bb_refs_delete): New function.
11175 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11176 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11177 basic block parameter to be able to clean out basic block when not
11179 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11180 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11181 Fixed to properly delete information if df is unused before
11184 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11186 PR rtl-optimization/25799
11187 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11188 Corrected confluence operator to remove bits from op2 before oring
11189 with op1 rather than removing bits from op1.
11190 (df_ru_transfer_function): Corrected test on wrong bitmap which
11191 caused infinite loop. Both of these problems were introduced in
11192 the dataflow rewrite.
11194 2006-01-19 DJ Delorie <dj@redhat.com>
11196 * reload1.c (find_reload_regs): Note the details of reload
11197 failures in the dump file.
11198 (spill_failure): Likewise.
11200 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11202 * loop-iv.c: Include df.h and hashtab.h.
11203 (enum iv_grd_result): New enum.
11204 (DF_REF_IV, DF_REF_IV_SET): New macros.
11205 (struct biv_entry): New.
11206 (df, bivs): New global variables.
11207 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11208 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11210 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11211 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11212 analyzed_for_bivness_p, record_biv): New functions.
11213 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11214 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11215 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11217 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11219 (iv_number_of_iterations): Use new interface to iv analysis.
11220 * loop-unroll.c: Do not include varray.h.
11221 (analyze_iv_to_split_insn): Use new interface to iv
11223 * loop-unswitch.c (may_unswitch_on): Ditto.
11224 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11226 (df_bb_modify): Realloc tables to the new index.
11227 (df_find_use): New function.
11228 * df.h (df_find_use): Declare.
11229 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11231 * cfgloop.h (struct rtx_iv): Remove analysed field.
11232 (iv_get_reaching_def): Removed.
11233 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11234 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11235 (loop-iv.o): Add df.h and hashtab.h dependency.
11236 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11238 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11241 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11243 (__floatundisf, __floatundidf): Likewise.
11244 * libgcc2.h (IS_IBM_EXTENDED): Define.
11246 2006-01-19 DJ Delorie <dj@redhat.com>
11248 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11250 2006-01-19 Paul Brook <paul@codesourcery.com>
11252 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11253 as nothrow when unwinding tables are disabled.
11255 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11258 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11259 of bit-field" when in system header.
11261 2006-01-19 DJ Delorie <dj@redhat.com>
11263 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11264 the 16 bit shift limit of the m16c.
11266 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11269 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11270 * config/i386/i386.c (output_set_got): Output the label if we have one
11271 for the TARGET_DEEP_BRANCH_PREDICTION case.
11273 2006-01-19 Jan Hubicka <jh@suse.cz>
11274 H.J. Lu <hongjiu.lu@intel.com>
11275 Evandro Menezes <evandro.menezes@amd.com>
11277 * invoke.texi (generic): Document
11279 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11280 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11281 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11282 (x86_use_incdec, x86_pad_returns): New variables
11283 (TARGET_CPU_DEFAULT_generic): New constant
11284 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11285 (enum processor_type): Add generic32 and generic64.
11286 * i386.md (cpu attribute): Add generic32/generic64
11287 (movhi splitter): Behave sanely when both partial_reg_dependency and
11288 partial_reg_stall are set.
11289 (K8 splitters): Enable for generic as well.
11290 * predicates.md (incdec_operand): Use TARGET_INCDEC
11291 (aligned_operand): Avoid memory mismatch stalls.
11292 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11293 * ppro.md: Enable for generic32
11294 * i386.c (generic64_cost, generic32_cost): New.
11295 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11296 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11297 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11298 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11299 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11300 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11301 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11302 x86_accumulate_outgoing_args, x86_prologue_using_move,
11303 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11304 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11305 Enable for generic.
11306 (x86_use_incdec, x86_pad_returns): New.
11307 (override_options): Add generic32 and generic64, translate "generic"
11308 to generic32/generic64 and "i686" to "generic32", refuse
11309 "generic32"/"generic64" as arch target.
11310 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11311 (ix86_reorg): Honor PAD_RETURNS.
11313 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11315 * tree-pretty-print.c (dump_generic_node): Handle
11316 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11317 * cgraph.c (cgraph_expand_queue): Rename from
11318 cgraph_analyze_queue. Update all users.
11319 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11320 cgraph_expand_queue.
11321 (cgraph_expand_all_functions): Likewise.
11322 (cgraph_finalize_pending_functions): Remove. Update callers.
11324 * tree.h (OMP_DIRECTIVE_P): Define.
11325 (OMP_PARALLEL_FN): Define.
11326 (OMP_PARALLEL_DATA_ARG): Define.
11327 (OMP_SECTIONS_SECTIONS): Define.
11328 * tree-pass.h (pass_expand_omp): Declare.
11329 * omp-low.c (struct omp_region): Declare.
11330 (struct omp_context): Remove fields 'parallel_type',
11331 'parallel_start_ix' and 'parallel_start_additional_args'.
11333 (struct omp_for_data): Rename from struct expand_omp_for_data.
11334 (omp_regions): New static variable.
11335 (root_omp_region): New static variable.
11336 (find_omp_clause): Make static.
11337 (is_in_combined_parallel_ctx): Remove.
11338 (is_combined_parallel): New.
11339 (extract_omp_for_data): Move earlier in the file.
11340 (workshare_safe_to_combine_p): New.
11341 (get_ws_args_for): New.
11342 (determine_parallel_type): Move earlier in the file.
11343 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11345 (omp_copy_decl): Likewise.
11346 (create_omp_child_function): Likewise.
11347 (lookup_omp_region): New.
11348 (dump_omp_region): New.
11349 (debug_omp_region): New.
11350 (debug_all_omp_regions): New.
11351 (new_omp_region): New.
11352 (scan_omp_parallel): If parallel_nesting_level > 1, the
11353 directive is nested within another parallel directive.
11354 Set OMP_PARALLEL_FN.
11355 (scan_omp_for): Do not try to handle combined parallel+for
11357 Remove FIXME comment.
11358 (scan_omp_nested): Remove.
11359 (scan_omp_1): Do not call scan_omp_nested when
11360 parallel_nesting_level is > 1.
11361 Do not change the DECL_CONTEXT of local variables found.
11362 (lookup_decl_in_outer_ctx): New.
11363 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11364 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11365 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11366 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11367 If CTX is nested, lookup VAR in the outer context when
11368 building copy assignment.
11369 (lower_send_clauses): Rename from expand_send_clauses.
11370 If CTX is nested, lookup VAR in the outer context when
11371 building copy assignments.
11372 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11373 If CTX is nested, lookup VAR in the outer context when
11374 building copy assignments.
11375 (expand_parallel_call): Rename from build_parallel_call.
11376 Handle combined parallel+workshare cases.
11377 Re-implement to emit code into the CFG.
11379 (expand_omp_parallel): Re-implement to emit code into the CFG.
11380 Call move_sese_region_to_fn to outline the sub-graph
11381 containing the parallel region.
11382 (expand_omp_for_1): Remove.
11383 (expand_omp_for_generic): Re-implement to emit code into the
11385 (expand_omp_for_static_nochunk): Likewise.
11386 (expand_omp_for_static_chunk): Likewise.
11387 (expand_omp_for): Likewise.
11388 (expand_omp_sections): Likewise.
11389 (remove_exit_barriers): New.
11390 (expand_omp_synch): New.
11392 (build_omp_regions_1): New.
11393 (build_omp_regions): New.
11394 (execute_expand_omp): New.
11395 (gate_expand_omp): New.
11396 (pass_expand_omp): Define.
11397 (lower_omp_sections): Rename from expand_omp_sections.
11398 Set OMP_SECTIONS_SECTIONS.
11399 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11400 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11401 (lower_omp_single): Rename from expand_omp_simple.
11402 (lower_omp_master): Rename from expand_omp_master.
11403 (lower_omp_ordered): Rename from expand_omp_ordered.
11404 (lower_omp_critical): Rename from expand_omp_critical.
11405 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11406 (lower_omp_for): Re-implement.
11407 (lower_omp_parallel): Re-implement.
11408 (lower_regimplify): Rename from expand_regimplify.
11409 (lower_omp_1): Rename from expand_omp_1.
11410 If there are syntax errors in the program, replace every
11411 OpenMP directive with NOP.
11412 Call lower_omp_* instead of expand_omp_*.
11413 (lower_omp): Rename from expand_omp.
11415 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11416 * tree-gimple.h (enum omp_parallel_type): Remove.
11417 (gimple_boolify): Declare extern.
11418 (find_omp_clause, determine_parallel_type): Remove.
11420 * gimple-low.c (lower_omp_directive): New.
11421 (lower_stmt): Call it.
11422 (record_vars_into): Move from ...
11423 (record_vars): ... here.
11424 Call record_vars_into with current_function_decl.
11426 * gimplify.c (struct gimplify_ctx): Remove fields
11427 combined_pre_p and combined_ctxp. Update users.
11428 (get_formal_tmp_var): Add documentation.
11429 (gimple_boolify): Make extern.
11430 (gimplify_expr_in_ctx): Remove. Update callers.
11431 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11432 will always be a BIND_EXPR.
11433 (gimplify_expr): Handle OMP_RETURN_EXPR.
11434 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11435 (OMP_PARALLEL): Add 3 operands.
11436 (OMP_SECTIONS): Add 1 operand.
11437 (OMP_RETURN_EXPR): Define.
11439 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11440 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11441 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11442 creating a circular free list.
11443 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11445 * tree-flow.h (move_sese_region_to_fn): Declare.
11446 (record_vars_into): Declare.
11447 * tree-cfg.c (make_omp_sections_edges): New.
11448 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11449 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11450 OMP_SECTIONS and OMP_SECTION.
11451 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11452 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11453 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11454 (gather_blocks_in_sese_region): New.
11455 (struct move_stmt_d): Declare.
11456 (move_stmt_r): New.
11457 (move_block_to_fn): New.
11458 (move_sese_region_to_fn): New.
11460 * passes.c (init_optimization_passes): Schedule
11461 pass_expand_omp after pass_init_datastructures.
11463 * tree-ssa-operands.c (get_expr_operands): Handle
11464 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11465 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11467 2006-01-19 Jeff Law <law@redhat.com>
11469 * tree-vrp.c (extract_range_from_assert): Refine the result range
11470 if the variable referenced by the ASSERT_EXPR has a range and
11471 either the tentative result range or the previous range is a
11474 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11476 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11478 2006-01-19 Jan Hubicka <jh@suse.cz>
11480 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11482 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11484 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11485 (expand_compound_operation, expand_field_assignment): Fail if the
11486 bit lengths of an extract operation are out of range.
11487 (make_extraction): Compute wanted_inner_mode based on the position
11488 and length of the extraction. Make it extraction_mode for non-constant
11489 positions, and do not modify offset in that case. When generating a
11490 new MEM, use a mode that can hold the extraction while keeping correct
11491 alignment. Remove code that supported MEMs wrapped by USEs.
11492 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11494 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11496 * config/s390/s390.md ("Y", "y"): New mode attribute.
11497 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11498 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11499 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11500 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11501 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11502 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11503 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11504 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11505 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11506 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11507 "addsi3", "subsi3"): Insn patterns removed.
11508 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11509 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11510 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11511 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11512 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11513 "*sub<mode>3_cconly2"): New insn patterns.
11514 ("addsi3", "subsi3"): New expanders.
11516 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11518 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11519 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11520 existing STMT_VINFO_VECTYPE if available.
11521 (vect_mark_relevant): Add special handling for stmts that are
11522 marked as STMT_VINFO_IN_PATTERN_P.
11523 (vect_analyze_loop): Call vect_pattern_recog.
11524 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11525 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11527 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11528 (vect_recog_func_ptr): New function-pointer type.
11529 * tree-vect-patterns.c: New file.
11530 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11531 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11532 (vect_pattern_recog_1): New functions.
11533 (vect_pattern_recog_funcs): New array of function pointers.
11535 * tree-vectorizer.h (ternary_op): New enum value.
11536 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11537 declaration. Revised documentation. Removed redundant dump prints.
11538 Removed redundant argument. Added support for reduction patterns.
11539 (vectorizable_reduction): Added support for reduction patterns.
11540 (vect_transform_stmt): Added support for patterns.
11542 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11543 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11544 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11545 (expand_widen_pattern_expr): New function.
11546 (init_optabs): Initialize new optabs udot_prod_optab,
11548 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11549 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11550 (expand_widen_pattern_expr): New function declaration.
11551 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11553 * tree-inline.c (estimate_num_insns_1): Added cases for new
11554 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11555 * tree-pretty-print.c (dump_generic_node): Likewise.
11556 (op_prio): Likewise.
11557 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11558 * tree-ssa-operands.c (get_expr_operands): Added case for
11560 * tree-vect-patterns.c (widened_name_p): New function.
11561 (vect_recog_dot_prod_pattern): Added function implementation.
11562 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11563 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11564 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11565 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11567 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11568 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11569 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11570 (init_optabs): Initialize new optabs widen_ssum_optab,
11572 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11573 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11574 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11575 use instead of type of def.
11576 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11577 function implementation.
11578 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11579 widen_ssumv8hi): New.
11581 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11584 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11587 * c-decl.c (add_flexible_array_elts_to_size): New function.
11588 (finish_decl): Use it.
11590 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11592 * diagnostic.h: Include options.h.
11593 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11594 dependancies for diagnostic.h.
11595 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11597 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11599 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11600 (ssa_ro_call_cache_valid): Ditto.
11601 * tree-ssa-alias.c (sort_tags_by_id): New function.
11602 (init_transitive_clobber_worklist): Ditto.
11603 (add_to_worklist): Ditto.
11604 (mark_aliases_call_clobbered): Ditto.
11605 (compute_tag_properties): Ditto.
11606 (set_initial_properties): Ditto.
11607 (compute_call_clobbered): Ditto.
11608 (compute_may_aliases): Call compute_call_clobbered and grouping.
11609 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11610 (compute_flow_insensitive_aliasing): Grouping now happens in our
11612 (setup_pointers_and_addressables): Remove clobbering related code.
11613 (add_may_alias): Ditto.
11614 (replace_may_alias): Ditto.
11615 (get_nmt_for): Ditto.
11616 (create_global_var):
11617 (is_escape_site): Return an escape_type enumeration.
11618 * tree-flow-inline.h (is_call_clobbered): Global var does not
11619 imply call clobbered.
11620 (mark_call_clobbered): Take a reason for marking this. Remove
11621 marking of globalness, and cache invalidation.
11622 (clear_call_clobbered): Remove cache invalidation code.
11623 * tree-dfa.c (dump_variable): If details is on, dump the reason
11625 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11627 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11628 (struct var_ann_d): Ditto.
11629 (enum escape_type): New.
11630 (mark_call_clobbered): Adjust prototype.
11631 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11632 are never call clobbered.
11633 Record reasons for escaping.
11634 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11635 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11636 (ssa_ro_call_cache_valid): Ditto.
11637 (clobbered_v_may_defs): Ditto.
11638 (clobbered_vuses): Ditto.
11639 (ro_call_vuses): Ditto.
11640 (clobber_stats): New.
11641 (init_ssa_operands): Zero out clobber stats.
11642 (fini_ssa_operands): Print out clobber stats.
11643 (get_call_expr_operands): Pass callee fndecl to
11644 add_call_read_ops).
11645 (add_call_clobber_ops): Remove use of cache.
11646 Add use of PURE_CONST information.
11647 (add_call_read_ops): Remove use of cache.
11648 Add use of static not_read information.
11650 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11652 Introduce TLS descriptors for i386 and x86_64.
11653 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11654 (TARGET_ANY_GNU_TLS): New macro.
11655 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11656 (struct machine_function): Add tls_descriptor_call_expanded_p.
11657 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11658 (ix86_current_function_calls_tls_descriptor): Likewise.
11659 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11660 (override_options): Introduce gnu2 tls dialect.
11661 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11663 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11665 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11666 (ix86_init_machine_status): Initialize new field.
11667 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11668 (ix86_tls_module_base): New.
11669 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11670 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11671 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11672 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11673 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11674 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11675 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11676 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11677 * config/i386/predicates.md (tls_modbase_operand): New.
11678 (tp_or_register_operand): New.
11680 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11682 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11683 (look_for_address_of): Ditto.
11684 (ipa_init): Walk the function decls.
11685 (static_execute): Don't set readonly on FUNCTION_DECL's.
11687 2006-01-18 Roger Sayle <roger@eyesopen.com>
11689 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11690 for shifts where the source and destination registers are different.
11692 2006-01-18 Paul Brook <paul@codesourcery.com>
11694 Merge from csl-arm-branch.
11695 2005-03-14 Julian Brown <julian@codesourcery.com>
11696 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11697 (aeabi_llsl): Likewise.
11698 (ashrdi3): Likewise.
11699 (aeabi_lasr): Likewise.
11700 (lshrdi3): Likewise.
11701 (aeabi_llsr): Likewise.
11702 2005-03-10 Julian Brown <julian@codesourcery.com>
11703 * config.gcc: Disable shared libgcc for SymbianOS.
11704 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11706 2006-01-18 DJ Delorie <dj@redhat.com>
11708 * c-pragma.c (handle_pragma_diagnostic): New.
11709 (init_pragma): Register it.
11710 * doc/extend.texi: Document it.
11712 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11713 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11714 (diagnostic_context): Add classify_diagnostic[].
11715 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11716 as errors if they're overridden to DK_WARNING.
11717 (diagnostic_initialize): Initialize classify_diagnostic[].
11718 (diagnostic_set_kind_override): New.
11719 (diagnostic_report_diagnostic): Check for kind changes.
11720 * opts.c (common_handle_option): Take lang_mask. Update callers.
11721 Handle OPT_Werror_.
11722 * common.opt (Werror=): New.
11723 * doc/invoke.texi: Document -Werror=*
11725 2006-01-18 Jeff Law <law@redhat.com>
11727 * tree-vrp.c (test_for_singularity): Correct test for new
11728 min limit. Use operand_equal_p rather than pointer equality
11729 for testing if new min/max values are equal.
11731 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11732 using range information until after propagation and folding.
11734 2006-01-18 Richard Henderson <rth@redhat.com>
11735 Aldy Hernandez <aldyh@redhat.com>
11736 Jakub Jelinek <jakub@redhat.com>
11737 Diego Novillo <dnovillo@redhat.com>
11739 * omp-low.c: New file.
11740 * c-omp.c: New file.
11742 2006-01-18 Richard Henderson <rth@redhat.com>
11743 Jakub Jelinek <jakub@redhat.com>
11744 Diego Novillo <dnovillo@redhat.com>
11746 * doc/invoke.texi: Document -fopenmp.
11747 * tree-dump.h (debug_function): Declare.
11748 * hooks.c (hook_bool_tree_bool_false): New function.
11749 (hook_tree_tree_null): Remove.
11750 (hook_tree_tree_tree_null): New.
11751 * hooks.h: Update to match.
11752 * tree-pretty-print.c (debug_tree_chain): New.
11753 (print_generic_expr): Handle TDF_CHAIN.
11754 (dump_generic_node): Handle BLOCK.
11755 Do not abort with incomplete SWITCH_EXPRs.
11756 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11757 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11758 print space after directive name.
11759 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11760 Handle OMP_MASTER and OMP_ORDERED.
11761 Handle printing of OMP_BODY just in one place, goto
11762 dump_omp_body in the rest of OMP_* nodes that have
11764 Don't handle clause nodes here. Update omp statements to
11765 use dump_omp_clauses.
11766 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11767 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11768 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11769 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11770 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11771 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11772 Adjust output for GOMP_PARALLEL.
11773 (dump_omp_clauses): New.
11774 (print_declaration): Dump DECL_VALUE_EXPR.
11775 (op_symbol_1): Split out of op_symbol.
11776 (dumping_stmts): Remove. Update all users.
11777 * cgraph.c (cgraph_analyze_queue): New.
11778 (cgraph_add_new_function): New.
11779 * cgraph.h (cgraph_analyze_queue): Declare.
11780 (cgraph_add_new_function): Declare.
11781 (cgraph_lower_function): Remove.
11782 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11783 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11784 and TYPE_P nodes in its default clause.
11785 (empty_body_p): New.
11786 (tree_range_check_failed): New.
11787 (build5_stat): New.
11788 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11789 OMP_CLAUSE_REDUCTION_MERGE,
11790 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11791 OMP_CLAUSE_PRIVATE_DEBUG,
11792 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11793 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11794 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11795 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11796 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11797 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11798 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11799 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11800 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11801 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11802 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11803 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11804 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11805 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11806 (TREE_RANGE_CHECK): New.
11807 (empty_body_p): Declare.
11808 (enum omp_clause_default_kind): New.
11809 (build_string_literal): Declare.
11810 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11811 (build5_stat, build5): Declare.
11812 * tree-pass.h (TDF_CHAIN): Define.
11813 * tree-pass.h (PROP_gimple_lomp): Define.
11814 (pass_lower_omp): Declare.
11815 * diagnostic.h (debug_tree_chain): Declare.
11816 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11818 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11819 * builtins.c (build_string_literal): Make extern.
11820 * gcc.c (include_spec_function): New.
11821 (static_spec_functions): Add it.
11822 (main): Move load of libgomp.spec ...
11823 (LINK_COMMAND_SPEC): ... here.
11824 (link_gomp_spec): New.
11825 (static_specs): Include it.
11826 (LINK_COMMAND_SPEC): Add link_gomp.
11827 (GOMP_SELF_SPECS): New.
11828 (driver_self_specs): Include it.
11829 (switch_matches): Don't mark inline.
11830 (main): Load libgomp.spec.
11831 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11832 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11833 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11834 * tree-gimple.h (enum omp_parallel): Declare.
11835 (determine_parallel_type): Declare.
11836 (omp_firstprivatize_variable): Declare.
11837 (omp_reduction_init): Declare.
11838 (diagnose_omp_structured_block_errors): Declare.
11839 (struct walk_stmt_info): Add want_return_expr.
11840 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11841 (find_omp_clause): Declare.
11842 (insert_field_into_struct): Declare.
11843 (struct walk_stmt_info): Move from tree-nested.c
11844 (walk_stmts): Declare.
11845 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11847 * cgraphunit.c (cgraph_lower_function): Make static.
11848 (cgraph_finalize_pending_functions): New.
11849 (cgraph_finalize_function): Call it.
11850 (cgraph_finalize_compilation_unit): Likewise.
11851 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11852 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11853 (BT_FN_UINT_UINT): New.
11854 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11855 DEF_FUNCTION_TYPE_VAR_4): Document.
11856 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11857 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11858 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11859 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11860 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11861 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11862 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11863 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11864 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11865 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11866 into separate files.
11867 (DEF_GOMP_BUILTIN): New.
11868 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11869 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11870 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11871 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11872 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11873 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11874 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11875 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11876 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11877 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11878 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11879 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11880 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11881 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11882 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11883 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11884 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11885 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11886 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11887 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11888 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11889 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11890 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11891 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11892 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11893 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11894 * sync-builtins.def: New file, moved from builtins.def.
11895 * omp-builtins.def: New file, moved from builtins.def.
11896 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11897 * gimple-low.c (lower_function_body): Clear data.
11898 (lower_stmt): Do not handle COMPOUND_EXPR.
11899 Remove call to print_node_brief.
11900 * c-tree.h (c_finish_omp_clauses): New prototype.
11901 (C_DECL_THREADPRIVATE_P): Define.
11902 (lookup_name_no_remap, c_omp_remap_private): Remove
11903 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11904 (check_for_loop_decls): Update decl.
11905 (lookup_name_no_remap, c_omp_remap_private): Declare.
11906 (build_indirect_ref, build_modify_expr, pushdecl,
11907 pushdecl_top_level): Move to c-common.h.
11908 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11909 before the switch, but just in the 2 places that need it.
11910 * c-decl.c (diagnose_mismatched_decls): Do not check for
11911 mismatched thread-local attributes when OLDDECL is marked
11912 threadprivate and NEWDECL has no thread-local attributes.
11913 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11914 (c_gimple_diagnostics_recursively): Rename from
11915 c_warn_unused_result_recursively. Invoke
11916 diagnose_omp_structured_block_errors.
11917 (check_for_loop_decls): Return a singular decl found.
11918 * langhooks.c (lhd_omp_predetermined_sharing): Return
11919 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11920 (lhd_omp_firstprivatize_type_sizes): New.
11921 (lhd_omp_assignment): New.
11922 (lhd_omp_predetermined_sharing): New.
11923 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11924 (struct lang_hooks_for_types): Add
11925 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11926 omp_predetermined_sharing, omp_disregard_value_expr,
11927 omp_private_debug_clause, omp_clause_default_ctor,
11928 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11929 (c_finish_omp_clauses): New.
11930 (c_finish_bc_stmt): Diagnose break within omp for.
11931 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11932 (build_unary_op): Return error_mark after reporting
11934 (build_modify_expr): Likewise.
11935 * gimplify.c: Include optabs.h and pointer-set.h.
11936 (enum gimplify_omp_var_data): Declare.
11937 (struct gimplify_omp_ctx): Declare.
11938 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11940 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11941 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11942 (splay_tree_compare_decl_uid): New.
11943 (new_omp_context): New.
11944 (delete_omp_context): New.
11945 (gimple_add_tmp_var): Call omp_add_variable.
11946 (gimplify_bind_expr): Likewise.
11947 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11948 true, disregard DECL_VALUE_EXPR on the decl if any.
11949 (gimplify_expr_in_ctx): New.
11950 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11951 omp_add_variable, omp_notice_variable, omp_is_private
11952 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11953 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11954 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11955 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11956 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11957 gimplify_omp_atomic): New.
11958 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11959 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11960 OMP_CRITICAL and OMP_ATOMIC.
11961 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11962 * c-pragma.h (enum pragma_kind): Add
11963 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11964 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11965 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11966 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11967 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11968 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11969 PRAGMA_OMP_THREADPRIVATE.
11970 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11971 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11972 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11973 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11974 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11975 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11976 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11977 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11978 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11979 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11980 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11981 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11982 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11984 (struct nesting_info): Add field_map,
11985 suppress_expansion, debug_var_chain.
11986 (create_nesting_tree): Initialize them.
11987 (lookup_field_for_decl): Use field_map.
11988 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11989 (convert_local_omp_clauses): New.
11990 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11991 (walk_body): Split out of walk_function.
11992 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11993 (convert_nonlocal_reference): Handle omp statements.
11994 (convert_local_reference): Likewise.
11995 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11996 (unnest_nesting_tree): New.
11997 (lower_nested_functions): Call it.
11998 (insert_field_into_struct): Make extern.
11999 (struct walk_stmt_info): Move to tree-gimple.h.
12000 (walk_stmts): Make extern.
12001 * omp-builtins.def: New file.
12002 * tree-iterator.c (expr_only): Clarify comment.
12003 * c-common.h (pushdecl_top_level, pushdecl,
12004 build_modify_expr, build_indirect_ref,
12005 c_finish_omp_master, c_finish_omp_critical,
12006 c_finish_omp_ordered, c_finish_omp_barrier,
12007 c_finish_omp_atomic, c_finish_omp_flush,
12008 c_finish_omp_for, c_split_parallel_clauses,
12009 omp_clause_default_kind, c_omp_sharing_predetermined,
12010 c_omp_remap_decl): Declare.
12011 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12012 (OBJS-common): Add omp-low.o.
12013 (c-omp.o, omp-low.o): Add.
12014 (gimplify.o): Add dependency on $(OPTABS_H).
12015 (GTFILES): Add omp-low.c.
12016 (gt-stringpool.h): Add.
12017 * tree-cfg.c (set_bb_for_stmt): Do not update the
12018 block-to-labels map if we are currently expanding to RTL.
12019 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12021 Handle IDENTIFIER_NODE.
12022 (tree_verify_flow_info): Do not ICE when emitting error
12023 messages about invalid labels.
12024 (dump_function_to_file): Reset CFUN before emitting the body
12026 (debug_function): New.
12027 * passes.c (init_optimization_passes): Schedule
12029 * langhooks-def.h (lhd_omp_predetermined_sharing,
12030 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12032 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12033 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12034 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12035 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12036 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12037 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12038 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12039 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12040 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12041 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12042 (LANG_HOOK_DECLS): Use them.
12044 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12045 Richard Henderson <rth@redhat.com>
12046 Jakub Jelinek <jakub@redhat.com>
12047 Diego Novillo <dnovillo@redhat.com>
12049 * c-parser.c (pragma_omp_clause): Define.
12050 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12051 (c_parser_compound_statement): Likewise.
12052 (c_parser_statement): Likewise.
12053 (c_parser_pragma): Handle omp pragmas.
12054 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12055 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12056 (c_parser_omp_clause_name, check_no_duplicate_clause,
12057 c_parser_omp_variable_list,
12058 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12059 c_parser_omp_clause_copyprivate,
12060 c_parser_omp_clause_default,
12061 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12062 c_parser_omp_clause_lastprivate,
12063 c_parser_omp_clause_nowait,
12064 c_parser_omp_clause_num_threads,
12065 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12066 c_parser_omp_clause_reduction,
12067 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12068 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12069 c_parser_omp_atomic, c_parser_omp_barrier,
12070 c_parser_omp_critical, c_parser_omp_flush,
12071 c_parser_omp_for_loop, c_parser_omp_for,
12072 c_parser_omp_master, c_parser_omp_ordered,
12073 c_parser_omp_sections_scope, c_parser_omp_sections,
12074 c_parser_omp_parallel, c_parser_omp_single,
12075 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12076 * c-pragma.c (init_pragma): Do omp pragma registration here.
12077 * c.opt (fopenmp): New flag.
12079 2006-01-18 Eric Christopher <echristo@apple.com>
12081 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12082 * config/darwin.h (GOMP_SELF_SPECS): Define.
12084 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12086 * rtl.h: Remove the prototype for reg_alloc.
12088 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12091 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12092 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12093 sjlj and dwarf2 exception handling.
12094 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12095 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12096 * pa/pa.c (function_value): Treat complex and vector types as
12098 (function_arg): Likewise. Only pass scalar floats in the floating
12099 point argument registers.
12100 * pa/t-slibgcc-dwarf-ver: New file.
12101 * pa/t-slibgcc-sjlj-ver: New file.
12102 * pa/t-slibgcc-elf-ver: Delete file.
12104 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12106 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12107 unlikely_test_section_p test.
12109 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12111 * mode-switching.c (optimize_mode_switching): Make it static.
12112 * basic-block.h: Remove the prototype for
12113 optimize_mode_switching.
12115 * modulo-sched.c (sms_schedule): Make it static.
12116 * rtl.h: Remove the prototype for sms_schedule.
12118 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12119 * rtl.h: Remove the prototype for gcse_after_reload_main.
12121 * reg-stack.c (reg_to_stack): Make it static.
12122 * rtl.h: Remove the prototype for reg_to_stack.
12124 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12126 * rtl.h: Remove the prototypes for regrename_optimize and
12127 copyprop_hardreg_forward.
12129 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12131 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12132 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12133 Test against the appropriate null constant for the mode.
12134 If 'fixup_overlap' is true, swap the operands if they overlap.
12135 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12136 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12137 alpha_split_tmode_pair and adjust for above change.
12138 * config/alpha/alpha.md (movtf_internal): Adjust call to
12139 alpha_split_tfmode_pair and rely on it to swap the operands.
12140 (movti_internal): New insn and post-reload splitter.
12141 (movti): New expander.
12143 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12145 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12148 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12150 * rtlanal.c (global_reg_mentioned_p_1,
12151 global_reg_mentioned_p): Remove.
12152 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12154 * flow.c (initialize_uninitialized_subregs): Make it static.
12155 * rtl.h: Remove the prototype for
12156 initialize_uninitialized_subregs.
12158 * function.c (instantiate_virtual_regs): Make it static.
12159 * function.h: Remove the prototype for
12160 instantiate_virtual_regs.
12162 * regmove.c (regmove_optimize, combine_stack_adjustments):
12164 * rtl.h: Remove the prototypes for regmove_optimize and
12165 combine_stack_adjustments.
12167 2006-01-17 Roger Sayle <roger@eyesopen.com>
12169 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12170 (size_cost): Encode costs in bytes so that a reg-reg addition is
12171 equivalent to COSTS_N_INSNS(1).
12172 (override_options): Use the size_cost.branch_cost as the default
12173 ix86_branch_cost when optimizing for size.
12175 2006-01-18 Ben Elliston <bje@au.ibm.com>
12177 * Makefile.in (D32PBIT_FUNCS): New.
12178 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12179 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12180 D64PBIT_FUNCS and D128PBIT_FUNCS.
12181 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12182 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12184 (decnumber_dep): Define.
12185 * doc/libgcc.texi (Decimal float library routines): New node.
12186 * config/dfp-bit.h, config/dfp-bit.c: New files.
12188 2006-01-18 Ben Elliston <bje@au.ibm.com>
12190 * expr.c (emit_move_change_mode): Always adjust addresses, not
12191 just during reload. Copy replacements only during reload.
12192 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12193 emit_move_via_integer.
12195 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12197 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12198 instead of $(srcdir) and ${srcdir}.
12200 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12203 PR middle-end/11135
12204 * arm.h (struct machine_function): Add pic_reg.
12205 * arm.c (arm_pic_register): Make unsigned.
12206 (arm_override_options): Only set arm_pic_register if
12207 TARGET_SINGLE_PIC_BASE.
12208 (use_return_insn): Only test for a pic register if it is fixed.
12209 (arm_compute_save_reg0_reg12_mask): Likewise.
12210 (thumb_compute_save_reg_mask): Likewise.
12211 (legitimate_pic_operand): Factor out some known invariants.
12212 (legitimize_pic_address): If we don't have a fixed pic register,
12213 then set up a pseudo in the function entry sequence. Handle the
12214 pic base being in a pseudo.
12215 (arm_load_pic_register): Handle the pic register being in a pseudo.
12216 (arm_expand_prologue): Only set up the pic register if it is fixed.
12217 (thumb_expand_prologue): Likewise.
12218 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12219 (pic_load_addr_based_insn): Likewise.
12220 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12223 2006-01-18 Ben Elliston <bje@au.ibm.com>
12225 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12226 decimal float modes for all floating point registers.
12228 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12229 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12231 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12234 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12235 even when the pointer is not NULL.
12237 2006-01-16 Ian Lance Taylor <ian@airs.com>
12239 * common.opt (ftoplevel-reorder): New option.
12240 * cgraph.c (cgraph_asm_nodes): New global variable.
12241 (cgraph_asm_last_node): New static variable.
12242 (cgraph_order): New global variable.
12243 (cgraph_create_node): Set new order field.
12244 (cgraph_varpool_node): Likewise.
12245 (decide_is_variable_needed): Return true if not
12246 flag_toplevel_reorder.
12247 (cgraph_add_asm_node): New function.
12248 * cgraph.h (struct cgraph_node): Add order field.
12249 (struct cgraph_varpool_node): Add order field.
12250 (struct cgraph_asm_node): Define.
12251 (cgraph_asm_nodes, cgraph_order): Declare.
12252 (cgraph_add_asm_node): Declare.
12253 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12255 (cgraph_varpool_assemble_pending_decls): Call it.
12256 (cgraph_output_pending_asms): New static function.
12257 (cgraph_finalize_compilation_unit): Call it.
12258 (struct cgraph_order_sort): Define.
12259 (cgraph_output_in_order): New static function.
12260 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12261 !flag_toplevel_reorder case.
12262 * c-parser.c: Include "cgraph.h".
12263 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12265 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12266 than -fno-unit-at-a-time.
12267 * doc/invoke.texi (Option Summary): Mention
12268 -fno-toplevel-reorder.
12269 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12270 -funit-at-a-time documentation.
12272 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12273 Kazu Hirata <kazu@codesourcery.com>
12275 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12277 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12279 * Makefile.in (FUNCTION_H): New. Use it instead of
12280 function.h throughout the file.
12281 * function.h: Include tree.h.
12283 2006-01-17 Ben Elliston <bje@au.ibm.com>
12285 * recog.c: Separate some functions with whitespace.
12287 2006-01-16 Richard Henderson <rth@redhat.com>
12289 Merge from gomp branch:
12290 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12291 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12292 and rename from struct inline_data. Rename callee* to dst*;
12293 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12294 transform_new_cfg, transform_return_to_modify, and
12295 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12297 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12298 (copy_decl_for_dup): Remove.
12299 * tree-inline.c (struct inline_data): Move to header.
12300 (insert_decl_map): Export.
12301 (remap_decl): Update for member name changes. Use copy_decl hook.
12302 Allow for replacement to be a non-decl. Remove dead code.
12303 (remap_type_1): Check for existing mapping.
12304 (remap_type): Export.
12305 (remap_decls): Update for member name changes.
12306 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12307 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12308 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12309 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12310 (tree_function_versioning, build_duplicate_type): Likewise.
12311 (copy_body_r): Likewise. Export.
12312 (copy_decl_for_dup): Split into ...
12313 (copy_decl_for_dup_finish, copy_decl_to_var,
12314 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12315 (replace_ref_tree, inlining_p): Remove.
12317 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12319 * ifcvt.c (if_convert): Make it static.
12320 * rtl.h: Remove the prototype for if_convert.
12322 * local-alloc.c (local_alloc): Make it static.
12323 * rtl.h: Remove the prototype for local_alloc.
12325 * loop.c (loop_optimize): Make it static.
12326 * cfgloop.h: Remove the prototype for loop_optimize.
12329 2006-01-16 DJ Delorie <dj@redhat.com>
12331 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12334 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12336 * pa.md: Disparage copies between general and floating-point registers
12337 in 32-bit move patterns.
12339 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12342 * Makefile.in (check-%): Depend on site.exp instead of
12343 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12346 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12348 * global.c (global_alloc): Make it static.
12349 * rtl.h: Remove the prototype for global_alloc.
12351 2006-01-16 Richard Guenther <rguenther@suse.de>
12353 * tree-ssa-alias.c (struct used_part): Add write_only field.
12354 (get_or_create_used_part_for): Initialize it to true.
12355 (create_overlap_variables_for): Don't create structure variables
12356 for structures that only are written to.
12357 (find_used_portions): Handle MODIFY_EXPR to track whether a
12358 structure is only written to.
12360 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12362 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12364 * basic-block.h: Remove the prototype for
12365 partition_hot_cold_basic_blocks.
12367 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12369 * cppspec.c (lang_specific_spec_functions): Remove.
12370 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12371 * gcc.h (lang_specific_spec_functions): Remove.
12372 * gccspec.c (lang_specific_spec_functions): Remove.
12374 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12376 * combine.c (record_value_for_reg): Invalidate registers
12378 (record_dead_and_set_regs_1): Likewise, by passing them to
12379 record_value_for_reg.
12380 (record_dead_and_set_regs): Invalidate stores made by a
12381 call. We do not combine across a call, but we still
12382 relied on equivalences.
12384 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12386 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12387 vrp_int_const_binop returning non-constant nodes.
12389 2006-01-16 Paul Brook <paul@codesourcery.com>
12391 * config/m68k/m68k.c (output_move_const_into_data_reg):
12392 Output correct mnemonic for mvz and mvs.
12394 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12396 * rtl-factoring.c: Add sequence abstraction algorithm.
12397 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12398 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12400 (block_has_preserve_label): New function.
12401 * common.opt: Register new pass.
12402 * Makefile.in: Ditto.
12404 * timevar.def: Ditto.
12405 * tree-pass.h: Ditto.
12406 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12407 * rtl.h (make_jump_insn_raw): Add forward decl.
12408 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12410 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12411 Roger Sayle <roger@eyesopen.com>
12413 * fold-const.c (fold_minmax): New static function.
12414 (fold_binary) <MIN_EXPR>: Call it.
12415 <MAX_EXPR>: Likewise.
12416 * stor-layout.c (place_field): Use DECL_SIZE consistently
12417 in the computation of the new record size.
12419 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12421 * cse.c (cse_condition_code_reg): Make it static.
12422 * rtl.h: Remove the prototype for cse_condition_code_reg.
12424 * combine.c (combine_instructions): Make it static.
12425 * rtl.h: Remove the prototype for combine_instructions.
12427 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12430 * tree.c (get_file_function_name_long): Concatenate the first global
12431 object name with a string derived from the input filename of the object
12434 2006-01-16 Ben Elliston <bje@au.ibm.com>
12436 * config/i386/winnt-stubs.c: Update FSF address.
12437 * config/xtensa/ieee754-df.S: Ditto.
12438 * config/xtensa/ieee754-sf.S: Ditto.
12440 2006-01-14 Ian Lance Taylor <ian@airs.com>
12442 * ifcvt.c (noce_init_if_info): New static function, broken out of
12443 noce_process_if_block.
12444 (noce_process_if_block): Call noce_init_if_info.
12445 (check_cond_move_block): New static function.
12446 (cond_move_process_if_block): New static function.
12447 (process_if_block): Call cond_move_process_if_block.
12449 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12451 * cselib.c (hash_table): Rename to cselib_hash_table.
12452 (cselib_clear_table, discard_useless_values,
12453 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12454 cselib_init, cselib_finish): Adjust uses of hash_table.
12456 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12458 PR tree-optimization/25485
12459 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12460 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12461 is known to be false and true, respectively.
12463 2006-01-14 Richard Guenther <rguenther@suse.de>
12465 PR tree-optimization/22548
12466 PR tree-optimization/22555
12467 PR tree-optimization/22501
12468 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12469 * params.def (salias-max-array-elements): New parameter.
12470 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12471 * doc/invoke.texi (salias-max-array-elements): Document.
12472 * tree-flow-inline.h (var_can_have_subvars): We also handle
12474 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12476 * tree-ssa-structalias.c (params.h): Include.
12477 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12478 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12479 (get_constraint_for): For ADDR_EXPR operating on something
12480 containing an ARRAY_REF, add all subvars to the solution.
12481 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12482 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12483 for creating MUST_DEFs.
12484 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12486 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12488 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12490 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12491 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12492 number_of_iterations_le): New functions.
12493 (number_of_iterations_special): Removed.
12494 (number_of_iterations_exit): Do not use number_of_iterations_special.
12495 * tree.c (unsigned_type_for): Always return integer type.
12497 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12498 Richard Guenther <rguenther@suse.de>
12500 PR rtl-optimization/24257
12501 * gcse.c (find_moveable_store): Only consider a store movable
12502 when the SET_SRC of the insn can be assigned to a register.
12504 2006-01-14 Ian Lance Taylor <ian@airs.com>
12506 * tree.c (tree_not_class_check_failed): New function.
12507 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12508 (tree_not_class_check_failed): Declare.
12510 2006-01-13 Ian Lance Taylor <ian@airs.com>
12512 * reload1.c (do_output_reload): Add assertion rejecting a
12515 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12517 * combine.c (struct reg_stat): Add new fields truncation_label and
12519 (record_value_for_reg): Reset truncated_to_mode.
12520 (record_truncated_value): New function.
12521 (check_promoted_subreg): Call it. Rename to check_conversions.
12522 (combine_instructions): Rename check_promoted_subreg to
12524 (reg_truncated_to_mode): New function.
12525 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12526 (gen_lowpart_or_truncate): New function.
12527 (force_to_mode): Use it instead of gen_lowpart.
12529 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12531 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12532 VAR is a tag, not its type tag.
12534 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12536 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12537 alternatives to match style of other entries.
12538 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12540 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12542 PR tree-optimization/25771
12543 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12546 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12549 * tree-inline.c (declare_return_variable): If the return variable
12550 was marked as a non gimple complex, set the return slot variable
12551 to be a non gimple comple variable.
12553 2006-01-13 Richard Guenther <rguenther@suse.de>
12555 * builtins.c (expand_builtin_sincos): New function.
12556 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12558 (expand_builtin): Expand sincos using expand_builtin_sincos.
12560 2006-01-12 DJ Delorie <dj@redhat.com>
12562 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12563 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12564 so that constant shifts can be split.
12565 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12566 (m32c_valid_pointer_mode): Make static.
12567 (shift_gen_func_for): New.
12568 (m32c_prepare_shift): Use it. Split large const shifts into
12570 * config/m32c/predicates.md (shiftcount_operand): Allow more
12572 (longshiftcount_operand): New.
12573 * doc/md.texi (Machine Constraints): Document In6.
12575 2006-01-13 Ben Elliston <bje@au.ibm.com>
12577 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12578 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12581 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12583 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12584 to try to avoid clobbering pieces of structures when we know
12585 something about the whole structure.
12586 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12588 2006-01-13 Ben Elliston <bje@au.ibm.com>
12590 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12591 return in memory, as this is no limitation is no longer present.
12593 2006-01-12 DJ Delorie <dj@redhat.com>
12595 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12596 mova with fb, and for fb+0 -> An.
12598 * config/m32c/mov.md (peephole2): Fix enabling logic.
12600 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12601 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12602 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12603 FINI_ARRAY_SECTION_ASM_OP): Define.
12605 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12607 (m32c_legitimize_reload_address): New logic to reload FB to An.
12608 (m32c_output_reg_push): Add newline.
12609 (m32c_output_reg_pop): Likewise.
12611 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12613 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12615 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12617 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12619 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12621 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12624 2006-01-11 Ben Elliston <bje@au.ibm.com>
12626 * rtlanal.c (find_reg_note): Assert insn is not null.
12628 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12630 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12633 2006-01-11 Jeff Law <law@redhat.com>
12635 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12637 (mark_threaded_blocks, register_jump_thread): New functions.
12638 (thread_through_all_blocks): Remove unwanted argument. No
12639 longer rely on e->aux to communicate thread target info.
12640 Call mark_threaded_blocks. Release the threaded_blocks
12641 bitmap and threaded_edges vector when complete.
12642 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12643 (threaded_blocks): Remove.
12644 (tree_ssa_dominator_optimize): Remove initialization and
12645 finalization of threaded_blocks. Simplify call to
12646 thread_through_all_blocks.
12647 (thread_across_edge): Call register_jump_thread rather than
12648 storing thread information into e->aux.
12649 (free_all_edge_infos): Simplify now that e->aux is no longer
12650 used to communicate with thread_through_all_blocks.
12651 * tree-flow.h (thread_through_all_blocks): Update prototype.
12652 (register_jump_thread): Prototype.
12654 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12656 * df-core.c (df_compact_blocks, df_bb_replace): Use
12657 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12659 2006-01-11 Richard Guenther <rguenther@suse.de>
12661 PR tree-optimization/25734
12662 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12663 stop propagation after successful propagation to the LHS.
12665 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12667 * basic-block.h (control_flow_graph): Change the type of
12668 x_basic_block_info to VEC(basic_block,gc) *.
12669 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12671 (SET_BASIC_BLOCK): New.
12672 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12673 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12674 * cfgbuild.c (find_basic_blocks): Likewise.
12675 * cfglayout.c (fixup_reorder_chain): Likewise.
12676 * cfgrtl.c (create_basic_block_structure,
12677 rtl_create_basic_block): Likewise.
12678 * ifcvt.c (find_if_case_1): Likewise.
12679 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12682 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12684 * Makefile.in: Removed rotted odf.c entry.
12686 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12689 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12690 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12691 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12692 output pattern modifier, not %e.
12693 * config/cris/cris.c (cris_op_str): Update comment about pattern
12695 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12696 before falling through into...
12697 <case 'E'>: Redefined from old 'e' case.
12699 2006-01-11 Jan Hubicka <jh@suse.cz>
12702 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12704 2006-01-11 Jan Hubicka <jh@suse.cz>
12706 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12707 * i386.c (x86_decompose_lea): Kill.
12708 (ix86_rtx_costs): Kill.
12710 2006-01-11 Jan Hubicka <jh@suse.cz>
12712 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12713 * cgraph.h (cgraph_node): Add inline_decl.
12714 (cgraph_insert_node_to_hashtable): Declare.
12715 (save_inline_function_body): Declare.
12716 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12718 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12719 (cgraph_function_versioning): Update call of tree_function_versioning.
12720 (save_inline_function_body): New function.
12721 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12722 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12723 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12724 (cgraph_default_inline_p): Likewise.
12725 (cgraph_decide_inlining_incrementally): Likewise.
12726 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12727 (copy_bb): Kill saving; do updating of clones.
12728 (copy_cfg_body): Kill saving.
12729 (initialize_inlined-parameters): Likewise.
12730 (expand_call_inline): Likewise.
12732 (tree_function_versioning): New parameter "update_clones".
12733 (inlining_p): Kill saving.
12734 * tree-inline.h (tree_function_versioning): Update prototype.
12735 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12738 2006-01-11 Ian Lance Taylor <ian@airs.com>
12740 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12741 Allow undoing set of machine mode.
12742 (do_SUBST): Use enums instead of is_int.
12743 (do_SUBST_MODE): New function.
12744 (SUBST_MODE): New macro.
12745 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12746 reg and trying to replace reg_regno_rtx with a new register.
12747 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12748 (simplify_set): Use SUBST_MODE.
12749 (distribute_notes): Remove code that tried to update reg notes
12750 for regno_reg_rtx changes.
12752 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12754 PR tree-optimization/23109
12755 PR tree-optimization/23948
12756 PR tree-optimization/24123
12758 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12759 * tree-cfg.c (single_noncomplex_succ): New.
12760 * tree-flow.h (single_noncomplex_succ): Declare it.
12761 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12762 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12763 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12764 insert_bb, register_division_in, insert_reciprocals,
12765 replace_reciprocal, free_bb): New.
12766 (execute_cse_reciprocals_1): Rewritten.
12767 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12768 Do not commit any edge insertion. Always compute dominators and
12769 create the allocation pool.
12770 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12771 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12772 * targhooks.c (default_min_divistions_for_recip_mul): New.
12773 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12774 * passes.c (init_optimization_passes): Run recip after tree loop
12776 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12778 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12779 Kenneth Zadeck <zadeck@naturalbridge.com>
12781 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12782 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12783 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12784 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12785 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12786 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12787 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12788 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12789 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12790 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12791 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12792 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12793 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12794 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12795 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12796 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12797 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12798 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12799 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12800 DF_SCAN_POST_ALLOC): New macros.
12801 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12802 df_free_bb_function, df_local_compute_function, df_init_function,
12803 df_dataflow_function, df_confluence_function_0,
12804 df_confluence_function_n, df_transfer_function,
12805 df_finalizer_function, df_free_function, df_dump_problem_function,
12806 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12807 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12808 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12809 df_urec_bb_info, ) New types.
12810 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12812 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12813 df_analyze_simple_change_some_blocks,
12814 df_analyze_simple_change_one_block, df_compact_blocks,
12815 df_bb_replace, df_bb_regno_last_use_find,
12816 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12817 df_insn_regno_def_p, df_find_def, df_find_use,
12818 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12819 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12820 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12821 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12822 debug_df_chain, df_get_dependent_problem, df_chain_create,
12823 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12824 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12825 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12826 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12827 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12828 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12829 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12830 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12831 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12832 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12833 df_reorganize_refs, df_set_state, df_hard_reg_init,
12834 df_read_modify_subreg_p) New public functions.
12835 * df-core.c: The core dataflow solver and glue routines for rtl
12837 (df_init, df_add_problem, df_set_blocks, df_finish,
12838 df_hybrid_search_forward, df_hybrid_search_backward,
12839 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12840 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12841 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12842 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12843 df_reg_defined, df_find_use, df_reg_used, df_dump,
12844 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12845 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12846 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12847 debug_df_useno, reset_df_after_reload): New functions.
12848 * df-scan.c: The scanning fuctions, once in df.c, completely
12849 rewritten so that they now fully model the functionality of
12850 register usage at the backend.
12851 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12852 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12853 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12854 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12855 df_get_artificial_defs, df_get_artificial_uses,
12856 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12857 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12858 df_refs_delete, df_reorganize_refs, df_set_state,
12859 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12860 df_def_record_1, df_defs_record, df_uses_record,
12861 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12862 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12863 df_record_exit_block_uses, df_hard_reg_init): New functions.
12865 * df-problems.c: Seven concrete dataflow problems that use the
12866 scanning in df-scan.c and are solved by the engine in df-core.c.
12867 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12868 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12869 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12870 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12871 df_ru_free_bb_info, df_ru_alloc,
12872 df_ru_bb_local_compute_process_def,
12873 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12874 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12875 df_ru_transfer_function, df_ru_free, df_ru_dump,
12876 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12877 df_rd_free_bb_info, df_rd_alloc,
12878 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12879 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12880 df_rd_transfer_function, df_rd_free, df_rd_dump,
12881 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12882 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12883 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12884 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12885 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12886 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12887 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12888 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12889 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12890 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12891 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12892 df_urec_mark_reg_use_for_earlyclobber,
12893 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12894 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12895 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12896 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12897 df_chain_create_bb_process_use, df_chain_create_bb,
12898 df_chain_finalize, df_chain_free, df_chains_dump,
12899 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12900 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12901 df_reg_lifetime): New functions.
12902 * df.c: Deleted file.
12903 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12904 consistent with new df api.
12905 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12906 rest_of_handle_sms): Ditto.
12907 * web.c (unionfind_union, union_defs, entry_register, web_main):
12909 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12910 invariant_expr_equal_p, find_defs, check_dependencies,
12911 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12912 free_inv_motion_data, move_loop_invariants): Ditto.
12913 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12914 Update dependencies.
12915 (odf.c): Added defective entry that was deleted later in day.
12916 * sched-deps.c (sched_analyze_1): Ditto.
12918 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12920 * tree-ssa-operands.c (get_expr_operands): Record addressable
12921 variables directly. Do not call add_stmt_operands for CONST_DECLs
12923 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12924 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12926 2006-01-11 Ben Elliston <bje@au.ibm.com>
12928 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12929 function returns true in the positive case.
12931 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12934 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12935 for SI, DI, SF and DF modes. Add alternatives to copy between
12936 general and floating point registers to the 32-bit patterns.
12937 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12938 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12939 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12940 generating 64-bit code.
12941 * config/pa/pa.c (output_move_double): Handle copies between general
12942 and floating registers.
12944 2006-01-10 Stuart Hastings <stuart@apple.com>
12946 * config/i386/i386.md (set_got): Update.
12947 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12948 (builtin_setjmp_receiver): Mach-O support.
12949 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12950 (GOT_SYMBOL_NAME): Define.
12951 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12952 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12953 * config/i386/i386.c (override_options): Revise for Darwin.
12954 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12955 support. (darwin_x86_file_end): New. (output_set_got): Add label
12956 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12957 * config/i386/i386-protos.h (output_set_got): Likewise.
12958 * config/darwin.c (machopic_legitimize_pic_address): Update
12961 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12963 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12964 when MODE isn't BLKmode.
12966 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12968 PR rtl-optimization/25367
12969 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12971 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12974 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12975 for a negative bound.
12977 2006-01-10 Richard Guenther <rguenther@suse.de>
12979 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12980 Never override with anything constraint.
12982 2006-01-10 Jan Beulich <jbeulich@novell.com>
12984 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12985 256 bits when optimize_size.
12987 2006-01-10 Jan Beulich <jbeulich@novell.com>
12989 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12991 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12992 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12995 2006-01-10 Ben Elliston <bje@au.ibm.com>
12997 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12999 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13000 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13001 (USE_FP_FOR_ARG): Reject decimal float modes.
13002 (function_arg_advance): Likewise.
13003 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13004 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13005 point types in AltiVec vectors.
13006 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13007 (rs6000_libcall_value): Likewise.
13009 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13011 * config/xtensa/ieee754-df.S: New file.
13012 * config/xtensa/ieee754-sf.S: New file.
13013 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13014 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13015 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13017 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13019 * config/sh/predicates.md (binary_float_operator,
13020 binary_logical_operator, commutative_float_operator,
13021 equality_comparison_operator, greater_comparison_operator,
13022 less_comparison_operator, logical_operator,
13023 noncommutative_float_operator, shift_operator,
13024 symbol_ref_operand, unary_float_operator): Remove redundant
13027 2006-01-09 Jeff Law <law@redhat.com>
13029 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13030 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13031 now unused arguments. Callers updated.
13032 (eliminate_redundant_computations): Remove now unused arguments,
13034 (local_fold): Remove, no longer used.
13035 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13037 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13038 (simplify_cond): New function.
13039 (forward_propagate_into_cond): Call simplify_cond.
13041 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13043 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13044 (*vec_extractv2di_1_sse): New.
13046 2006-01-09 Ben Elliston <bje@au.ibm.com>
13048 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13050 2006-01-08 Richard Guenther <rguenther@suse.de>
13052 * tree-ssa-structalias.c (get_constraint_for): Remove
13053 anyoffset argument.
13054 (get_constraint_for_component_ref): Likewise.
13055 (do_deref): Likewise.
13056 (get_constraint_for): Likewise.
13057 (do_structure_copy): Likewise.
13058 (handle_ptr_arith): Likewise.
13059 (find_func_aliases): Likewise. Remove unused need_anyoffset
13062 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13063 Kaz Kojima <kkojima@gcc.gnu.org>
13065 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13066 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13067 (EXTRA_CONSTRAINT_C16): Remove.
13068 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13069 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13070 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13071 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13072 constants of SHmedia. Handle nested constant expressions of
13074 (andcosts): Fix the costs for SHmedia constants.
13075 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13076 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13077 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13078 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13079 (movv4hi_i, movv2si_i): Likewise.
13080 (movsi_const): Adjust the second operand of ior so to match with
13081 the Csu constraint.
13082 (movdi_const, movdi_const_32bit): Likewise.
13083 (movdi_const_16bit+1): Don't sign-extend LOW.
13084 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13086 (*double_shori): Fix the split condition. Use GEN_INT instead
13087 of get_int_mode calls. Mask lower 16-bit of the argument of
13089 (sym2GOTPLT): Remove.
13090 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13092 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13093 instead of EXTRA_CONSTRAINT_C16.
13095 2006-01-07 Ian Lance Taylor <ian@airs.com>
13096 David Edelsohn <edelsohn@gnu.org>
13098 PR rtl-optimization/25662
13099 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13100 for constant operands instead of simplify_gen_binary.
13101 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13102 after trying simplify_binary_operation
13104 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13106 * tree.c (iterative_hash_expr): Hash decls based on UID.
13108 2006-01-06 Eric Christopher <echristo@apple.com>
13110 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13111 (TARGET_UNWIND_EMIT): Fix spelling.
13112 * target.h (gcc_target): Add except_table_label.
13113 * except.c (output_function_exception_table): Use.
13114 * varasm.c (default_emit_except_table_label): New.
13115 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13117 (asm_out): Add here.
13118 * output.h (default_emit_except_table_label): Prototype.
13119 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13120 * config/darwin.c (darwin_emit_except_table_label): Define.
13121 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13123 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13125 PR tree-optimization/18527
13126 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13127 number_of_iterations_special, number_of_iterations_exit):
13128 Move base and step of an iv to a single structure. Add
13129 no_overflow flag, and use it in # of iterations analysis.
13130 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13131 folded_casts argument.
13132 (simple_iv): Pass base and step in a structure. Set no_overflow
13134 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13135 Evaluate expensiveness of computing # of iterations instead of
13136 the final expression.
13137 * tree-scalar-evolution.h (affine_iv): New structure.
13138 (simple_iv): Declaration changed.
13139 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13140 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13141 find_givs_in_stmt): Changed due to simple_iv change.
13143 2006-01-06 Jeff Law <law@redhat.com>
13146 * tree-cfg.c (bsi_replace): Rename final argument from
13147 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13148 change (stmt -> orig_stmt).
13149 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13150 (bsi_remove): Add new argument. Remove EH information
13152 (verify_eh_throw_table_statements): New function.
13153 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13155 * tree-optimize.c (execute_free_cfg_annotations): Verify
13156 the EH throw statement table after removing annotations.
13157 * except.h (verify_eh_throw_table_statements): Prototype.
13158 * tree-flow.h (bsi_remove): Update prototype.
13159 * tree-vrp.c (remove_range_assertions): Add new argument to
13161 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13162 * tree-complex.c (expand_complex_div_wide): Likewise.
13163 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13164 * tree-tailcall.c (eliminate_tailcall): Likewise.
13165 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13166 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13167 * tree-nrv.c (tree_nrv): Likewise.
13168 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13169 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13170 (combine_blocks): Likewise.
13171 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13172 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13173 (cleanup_control_flow): Likewise.
13174 (remove_forwarder_block): Likewise.
13175 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13176 * tree-sra.c (sra_replace): Likewise.
13177 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13178 (forward_propagate_single_use_vars): Likewise.
13179 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13180 * tree-inline.c (expand_call_inline): Likewise.
13181 * tree-vect-transform.c (vect_transform_loop): Likewise.
13182 * tree-outof-ssa.c (rewrite_trees): Likewise.
13183 * tree-cfg.c (make_goto_expr_edges): Likewise.
13184 (cleanup_dead_labels): Likewise.
13185 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13186 (bsi_move_before, bsi_move_after): Likewise.
13187 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13188 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13190 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13193 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13195 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13196 on non gimple variables. Also add checks at the top for decls and
13198 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13200 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13201 and IMAGPART_EXPR for creating MUST_DEFs.
13202 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13203 and NAME_MEMORY_TAG separately from the DECLs.
13205 2006-01-06 Richard Guenther <rguenther@suse.de>
13207 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13208 annotation, if necessary.
13209 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13210 redundant calls to update_stmt.
13211 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13214 2006-01-05 Richard Henderson <rth@redhat.com>
13216 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13218 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13220 * c-typeck.c: Update copyright date.
13222 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13224 * c-typeck.c (build_c_cast): Always warn when casting
13225 from a pointer to an integer of different size, even if
13226 the node was constant.
13228 2006-01-05 Richard Guenther <rguenther@suse.de>
13230 PR tree-optimization/22555
13231 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13232 if one structure field is an array.
13233 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13234 operands even if we found a subvar, but ignore VOPs in this
13236 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13238 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13240 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13242 PR middle-end/24998
13243 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13245 2006-01-05 Richard Guenther <rguenther@suse.de>
13246 Diego Novillo <dnovillo@redhat.com>
13248 * tree-pass.h (TODO_remove_unused_locals): Define.
13249 * gimple-low.c (expand_var_p, remove_useless_vars,
13250 pass_remove_useless_vars): Remove. Update all users.
13251 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13252 (remove_unused_locals): New function.
13253 * tree-flow.h (remove_unused_locals): Declare.
13254 * passes.c (execute_todo): Call remove_unused_locals if
13255 TODO_remove_unused_locals is set.
13256 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13257 * tree-ssa-dce.c (pass_dce): Likewise.
13258 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13260 2006-01-05 Richard Guenther <rguenther@suse.de>
13262 * tree-flow.h (struct fieldoff): Decompose field to
13263 type, size and decl.
13264 * tree-ssa-alias.c (create_sft): Take type as parameter.
13265 (create_overlap_variables_for): Store type, size and decl
13266 in the fieldoff structure.
13267 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13268 of struct fieldoff.
13269 (push_fields_onto_fieldstack): Likewise.
13270 (create_variable_info_for): Likewise. Use offset for the
13271 SFT name if the decl is not available.
13273 2006-01-04 Paul Brook <paul@codesourcery.com>
13275 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13277 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13279 * lambda-code.c (can_put_in_inner_loop): Relax
13281 (can_put_after_inner_loop): New function.
13282 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13283 (perfect_nestify): Change to make copies and modify uses.
13285 2006-01-04 Richard Henderson <rth@redhat.com>
13287 Merge from gomp branch:
13288 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13289 via integer constant.
13290 (pragma_lex): Remove.
13291 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13292 rather than parsing it.
13293 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13294 handle_pragma_extern_prefix): Add %< %> quotes.
13295 (registered_pragmas): New.
13296 (c_register_pragma_1): New.
13297 (c_register_pragma): Use it.
13298 (c_register_pragma_with_expansion): Likewise.
13299 (c_invoke_pragma_handler): New.
13300 (init_pragma): Use cpp_register_deferred_pragma directly for
13302 * c-pragma.h (enum pragma_kind): New.
13303 (pragma_handler): New.
13304 (c_invoke_pragma_handler): Declare.
13305 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13307 * c-common.h (c_common_pch_pragma): Update decl.
13308 * Makefile.in (c-parser.o): Update dependencies.
13309 (GTFILES): Add c-pragma.h.
13310 * c-parser.c (struct c_token): Add pragma_kind.
13311 (struct c_parser): Add in_pragma.
13312 (c_lex_one_token): Always initialize keyword and pragma_kind.
13313 Extract data for CPP_PRAGMA.
13314 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13315 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13316 Don't allow CPP_PRAGMA_EOL if in_pragma.
13317 (c_parser_consume_pragma): New.
13318 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13319 (c_parser_skip_to_end_of_parameter): Likewise.
13320 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13321 (c_parser_skip_to_pragma_eol): New.
13322 (c_parser_external_declaration): Handle CPP_PRAGMA.
13323 (c_parser_compound_statement_nostart): Likewise.
13324 (c_parser_statement_after_labels): Likewise.
13325 (c_parser_pragma): New.
13326 (pragma_lex): Likewise.
13327 (c_parser_pragma_pch_preprocess): New.
13328 (c_parser_new): Merge into ...
13329 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13331 2006-01-04 Jeff Law <law@redhat.com>
13334 * tree-cfg.c (bsi_replace): Remove the original statement
13335 from the EH throw statement table.
13337 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13339 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13340 make the prototype extern "C" and add throw ().
13343 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13344 and pos non-negative and pos + len <= 32.
13345 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13346 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13347 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13350 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13351 as well as sizes not multiple of component size.
13354 * function.c (instantiate_expr): New function.
13355 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13356 walk its DECL_VALUE_EXPR with instantiate_expr.
13358 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13359 DW_OP_deref{,_size} if address isn't going to be added.
13361 2006-01-04 Ben Elliston <bje@au.ibm.com>
13363 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13364 * config/fp-bit.c: Likewise.
13366 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13368 * dominance.c: Add comment about why we use DFS numbering
13371 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13372 Richard Henderson <rth@redhat.com>
13374 Merge from gomp-branch:
13375 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13376 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13378 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13380 PR rtl-optimization/25578
13381 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13382 pass a parameter to simplify_shift_const if changing ASHIFTRT
13385 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13387 * builtins.c (get_builtin_sync_mem): New function.
13388 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13389 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13390 Call get_builtin_sync_mem to generate mem rtx.
13392 2006-01-03 Richard Guenther <rguenther@suse.de>
13395 * stmt.c (add_case_node): Make sure to clear overflow flags
13398 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13400 Merge from gomp-branch.
13401 * config/sparc/sync.md: New file.
13402 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13403 UNSPECV_LDSTUB): New constants.
13404 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13405 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13406 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13409 2006-01-03 Roger Sayle <roger@eyesopen.com>
13411 * combine.c (reg_subword_p): New predicate to test whether the
13412 destination of a set refers to a subword/piece of a register.
13413 (try_combine): Generalize the code to merge the setting of a
13414 pseudo to a constant followed by a set of a subword of that
13415 register to a constant.
13417 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13419 * basic-block.h (control_flow_graph): Change the type of
13420 x_label_to_block_map to VEC(basic_block,gc) *.
13421 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13422 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13424 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13425 VEC(basic_block,heap) *.
13426 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13427 ssa_prop_fini): Adjust the uses of cfg_blocks.
13429 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13431 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13433 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13434 hashing trees instead of a pointer hash.
13435 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13436 compare for MEM_EXPR.
13438 PR rtl-optimization/25130
13439 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13440 when comparing MEMs for GCSE
13442 2006-01-03 Ben Elliston <bje@au.ibm.com>
13444 * targhooks.h (default_decimal_float_supported_p): Declare.
13445 * targhooks.c (default_decimal_float_supported_p): Define.
13446 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13447 `default_decimal_float_supported_p'.
13448 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13450 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13452 * combine.c (apply_distributive_law <SUBREG>): Check
13453 TRULY_NOOP_TRUNCATION.
13455 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13457 * dwarf2out.c (have_switched_text_section): Delete.
13458 (have_multiple_function_sections): New.
13459 (have_location_lists): Make 'bool'.
13460 (add_AT_loc_list): Use 'true' not '1'.
13461 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13462 (output_loc_list): Use have_multiple_function_sections.
13463 (output_ranges): Likewise.
13464 (dwarf2out_begin_function): Set have_multiple_function_sections if
13466 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13467 Check function_section rather than DECL_SECTION_NAME.
13468 (dwarf2out_finish): Use have_multiple_function_sections.
13469 Don't clear have_location_lists.
13471 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13472 Jan Hubicka <jh@suse.cz>
13474 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13475 case of conditional jump jumping to the next instruction.
13476 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13477 cases of conditional jump jumping to the next instruction.
13479 2006-01-02 Jan Hubicka <jh@suse.cz>
13481 * i386.c (*_cost): Add COSTS_N_INSNS.
13482 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13484 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13487 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13489 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13491 * config/arm/arm.c (all_fpus): Fix comment typo.
13492 * config/darwin.c: Likewise.
13493 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13494 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13495 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13497 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13499 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13500 (rs6000_split_compare_and_swapqhi): New.
13501 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13502 (sync_compare_and_swapqhi_internal): New.
13503 * config/rs6000/rs6000-protos.h: Declare.