1 2006-07-24 Jan Hubicka <jh@suse.cz>
3 PR rtl-optimization/28071
4 * ipa-inline.c (update_caller_keys): Remove edges that
5 are no longer inline candidates.
7 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
10 * dbxout.c (output_used_types_helper, output_used_types): New.
11 (dbxout_symbol): Call output_used_types.
13 2006-07-23 Jan Hubicka <jh@suse.cz>
17 * cgraph.c (cgraph_varpool_nodes): Export.
18 (decide_is_variable_needed): Ignored "used" attribute in
20 * cgraph.h (cgraph_varpool_nodes): Declare.
21 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
24 2006-07-23 Roger Sayle <roger@eyesopen.com>
27 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
28 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
29 the __gthrw form of thr_keycreate.
30 (__gthread_key_delete): Silence the unused argument warning.
32 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
35 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
36 Cache the last found '\0' marker to avoid quadratic behavior.
38 2006-07-23 Jan Hubicka <jh@suse.cz>
40 * i386.md (subsi_3_zext): Fix output template.
42 2006-07-21 Mike Stump <mrs@apple.com>
44 * doc/invoke.texi (C++ Dialect Options): Note that
45 -fvisibility-inlines-hidden doesn't affect explicitly
46 instantiationed inline methods.
48 2006-07-20 Roger Sayle <roger@eyesopen.com>
50 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
51 if the target assembler is GNU binutils' gas.
52 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
53 whether to pass GNU gas or native as command line options.
55 2006-07-20 Jason Merrill <jason@redhat.com>
57 * tree.c (remove_attribute): New fn.
60 2006-07-20 Paul Brook <paul@codesourcery.com>
63 * cse.c (cse_insn): Add destination addresses to hash table. Check if
64 they are invalidated by this instruction.
66 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
69 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
71 2006-07-20 Eric Christopher <echristo@apple.com>
74 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
76 2006-07-19 Eric Christopher <echristo@apple.com>
78 * config/t-slibgcc-darwin (stmp-lipo): Remove.
79 Rewrite dependencies for libgcc_s.1.dylib.
81 2006-07-19 Jakub Jelinek <jakub@redhat.com>
83 * except.c (duplicate_eh_regions_1): Clear next_peer.
85 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
87 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
88 -mlongcall does not guarantee all calls will be long.
89 * doc/extend.texi (long_call/short_call): Document that longcall
90 does not guarantee a long call will be used.
91 (longcall/shortcall): Likewise.
93 2006-07-18 Roger Sayle <roger@eyesopen.com>
96 * expmed.c (expand_shift): Additionally check that the shift_cost
97 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
98 before implementing a LSHIFT_EXPR as a sequence of additions.
99 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
100 middle-end that DImode shifts need to be synthesized by expand.
102 2006-07-18 Diego Novillo <dnovillo@redhat.com>
105 * tree-ssa-operands.c (access_can_touch_variable): Update
107 Return true if ALIAS is .GLOBAL_VAR.
109 2006-07-18 David Daney <ddaney@avtrex.com>
111 * gcc.c (display_help): Fix typo in help text.
113 2006-07-18 Olivier Hainque <hainque@adacore.com>
115 * tree.h (categorize_ctor_elements): Adjust prototype and add
116 descriptive comment, both in accordance with the interface change
118 * varasm.c (constructor_static_from_elts_p): New function.
119 Whether a constructor node is a valid static constant initializer
120 if all its elements are.
121 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
122 * output.h: Declare it.
123 * expr.c (categorize_ctor_elements_1): Return whether the constructor
124 is a valid constant initializer instead of computing the number of
125 non-constant elements. Use constructor_static_from_elts_p for this
126 purpose. Replace the head comment with an indication that this is a
127 helper for categorize_ctor_elements.
128 (categorize_ctor_elements): Same interface change as for the _1
129 helper. Former head comment from this helper moved here, adjusted to
130 account for the interface changes.
131 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
132 (all_zeros_p): Likewise.
133 * gimplify.c (gimplify_init_constructor): Decide whether we can make
134 static versions of the constructor from the categorize_ctor_elements
135 return value instead of the formerly computed number of non-constant
138 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
140 * configure: Regenerate.
141 * Makefile.in (build_libsubdir): New configure substitution
142 (build_libobjdir): New variable.
143 (BUILD_LIBIBERTY): Use it.
145 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
148 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
150 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
153 * c-common.c (handle_weakref_attribute): Ignore attribute in
154 the same conditions the alias attribute is ignored.
156 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
158 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
159 (dbxout_begin_prologue): Increment scope_labelno.
161 2006-07-17 Richard Henderson <rth@redhat.com>
164 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
167 2006-07-17 Roger Sayle <roger@eyesopen.com>
168 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
170 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
171 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
172 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
173 functions such as sbrk, write, etc.. Add function prototypes.
174 Convert function declarations from K&R to ISO C. Cast pointers
175 to "long" and "unsigned long" instead of "int" and "unsigned int".
176 Convert tokens following #endif into comments.
178 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
180 * invoke.texi: Remove mention of f77; Reformat table for
181 inline parameter options correctly; mention that -malign-double
182 is default on x86-64 targets.
184 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
186 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
187 (convert_affine_scev, chrec_convert_aggressive): Use
188 avoid_arithmetics_in_type_p. Do not check for the subtypes
191 2006-07-17 Richard Sandiford <richard@codesourcery.com>
194 * optabs.c (expand_doubleword_shift): Wrap the call to
195 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
197 2006-07-17 Richard Sandiford <richard@codesourcery.com>
200 * optabs.c (expand_binop): Pass next_methods rather than methods
201 to expand_doubleword_shift.
203 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
206 * tree.h (dump_addr): Declare.
207 * print-tree.c (dump_addr): New function.
208 (print_node_brief, print_node): Use it.
209 * print-rtl.c (print_rtx): Likewise.
210 * common.opt (-fdump-noaddr): New option.
211 * doc/invoke.texi (-fdump-noaddr): Document.
212 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
213 (ve_info_hash): Likewise.
215 2006-07-13 Andrew Haley <aph@redhat.com>
217 PR tree-optimization/19505
218 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
219 edge leaving this block, make sure that the destination of this
220 block has only one predecessor.
222 2006-07-17 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/28238
225 * tree-inline.c (copy_bb): Check if we produced valid
226 gimple copying and substituting a stmt. If not, gimplify
229 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
231 * optabs.c (maybe_encapsulate_block): New function extracted from...
232 (emit_libcall_block): ...here. Invoke it on the block of insns to
233 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
234 (emit_no_conflict_block): Likewise.
236 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
238 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
240 2006-07-15 Roger Sayle <roger@eyesopen.com>
242 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
243 a new NOP_EXPR case of the switch statement.
245 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
248 * stor-layout.c (place_field): Take the bit field with
249 an excessive size into account in the ms-bitfiled case.
252 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
253 the previous bit field.
255 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
258 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
260 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
262 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
263 signal frames correctly even when the signal was installed with
266 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
268 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
269 (dbxout_function_end): Use local label LFBB. Remove hook
271 (dbxout_source_line): Use local label LFBB.
272 (dbxout_block): Likewise.
273 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
274 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
275 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
278 2006-07-13 Janis Johnson <janis187@us.ibm.com>
280 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
282 2006-07-13 Jan Hubicka <jh@suse.cz>
284 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
286 * output.h (align_variable): Declare.
287 * varasm.c (align_variable): Export.
288 * value-prof.c (tree_value_profile_transformations): Recompute iterator
289 when basic block changed.
291 2006-07-13 Nick Clifton <nickc@redhat.com>
293 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
294 walking the LOG_LINKS chain.
296 2006-07-12 Geoffrey Keating <geoffk@apple.com>
298 * doc/invoke.texi (C++ Dialect Options): Explain difference
299 between -fvisibility-inlines-hidden and setting hidden
300 visibility explicitly.
302 2006-07-12 Eric Christopher <echristo@apple.com>
304 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
305 (stmp-lipo): Depend on libgcc.a.
307 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
309 * tree.c: Fix a comment typo.
311 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
313 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
315 (umulhisi3_r): Likewise.
317 2006-07-12 Paolo Carlini <pcarlini@suse.de>
320 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
321 x < 19, vs wchar_t support.
323 2006-07-12 Nick Clifton <nickc@redhat.com>
325 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
328 2006-07-12 Mike Stump <mrs@apple.com>
330 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
332 2006-07-10 Eric Christopher <echristo@apple.com>
334 * config/t-slibgcc-darwin: Rewrite.
336 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
339 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
342 2006-07-08 Matthias Klose <doko@debian.org>
344 * doc/sourcebuild.texi: Fix typo.
346 2006-07-07 Mike Stump <mrs@apple.com>
348 * toplev.c (process_options): Don't give -ffunction-sections may
349 affect debugging warning for Mach-O.
351 2006-07-07 James E Wilson <wilson@specifix.com>
353 * config/mips/mips.md (cpu): Add sb1a.
354 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
355 addition to sb1. Adjust comments to clarify SB-1A differences from
357 (ir_sb1a_load): New. Modify bypasses to use it.
358 (ir_sb1a_simple_alu): Likewise.
359 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
360 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
361 (mips_issue_rate): Add PROCESSOR_SB1A.
362 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
363 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
364 (TARGET_SB1): Add PROCESSOR_SB1A check.
365 (TUNE_SB1): Likewise.
367 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
368 * config/mips/mips.c (mips_store_data_bypass_p): New.
369 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
372 2006-07-08 Paul Brook <paul@codesourcery.com>
375 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
377 2006-07-07 Richard Guenther <rguenther@suse.de>
380 * tree.h (build_one_cst): Declare.
381 * tree.c (build_one_cst): New function.
382 * tree-ssa-math-opts.c (get_constant_one): Remove.
383 (insert_reciprocals): Use build_one_cst.
384 * fold-const.c (fold_plusminus_mult): Likewise.
386 2006-07-07 Roger Sayle <roger@eyesopen.com>
388 * pointer-set.c (pointer_set_destroy): Correct whitespace.
389 * cfgloopanal.c (dump_graph): Likewise.
390 * dojump.c (discard_pending_stack_adjust): Likewise.
391 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
393 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
394 * function.c (finalize_block_changes): Likewise.
395 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
396 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
397 * rtl.c (dump_rtx_statistics): Likewise.
398 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
400 * varray.c (dump_varray_statistics): Likewise.
401 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
402 decode_decimal64, encode_decimal128, decode_decimal128,
403 decimal_real_to_decimal): Likewise.
405 2006-07-07 Richard Guenther <rguenther@suse.de>
407 PR tree-optimization/28187
408 * tree-vrp.c (vrp_operand_equal_p): New function.
409 (vrp_bitmap_equal_p): Likewise.
410 (update_value_range): Use them to compare old and new
413 2006-07-06 Roger Sayle <roger@eyesopen.com>
415 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
416 a default case to switch statement to silence compiler warnings.
418 2006-07-06 Roger Sayle <roger@eyesopen.com>
421 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
422 the configured assembler supports the x87's ffreep mnemonic.
423 * configure: Regenerate.
424 * config.in: Regenerate.
426 * config/i386/i386.c (output_387_ffreep): New function.
427 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
428 (output_387_reg_move): Likewise.
430 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
432 Port to hosts whose 'sort' and 'tail' implementations
433 treat operands with leading '+' as file names, as POSIX
434 has required since 2001. However, make sure the code still
435 works on pre-POSIX hosts.
436 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
437 which says you should use "tail -c +N" rather than "tail +Nc".
438 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
440 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
442 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
445 2006-07-06 David Edelsohn <edelsohn@gnu.org>
448 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
449 PRE_{INC,DEC} of TFmode.
451 2006-07-06 David Edelsohn <edelsohn@gnu.org>
452 Alan Modra <amodra@bigpond.net.au>
455 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
458 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
461 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
462 Remove duplicate gtu.
464 2006-07-05 Jason Merrill <jason@redhat.com>
468 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
469 * c-common.c (handle_packed_attribute): So don't copy it here.
470 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
472 2006-07-05 Mike Stump <mrs@apple.com>
474 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
476 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
479 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
481 2006-07-05 Richard Guenther <rguenther@suse.de>
484 * config/i386/i386.md (*negdf2_1): Restrict pattern to
485 TARGET_SSE2 targets if using SSE math.
486 (*absdf2_1): Likewise.
488 2006-07-05 Richard Guenther <rguenther@suse.de>
490 PR tree-optimization/28162
491 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
492 make sure to convert the operands to the correct type.
494 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
496 PR tree-optimization/28218
498 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
499 to calculate and free the dominator information.
501 2006-07-04 Peter O'Gorman <peter@pogma.com>
503 * mklibgcc.in: chmod 644 before ranlib during install.
505 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
506 J"orn Rennecke <joern.rennecke@st.com>
508 * configure.ac (.eh_frame data check): Use diff -b.
510 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
513 * Makefile.in (BUILD_RTL): Add build/vec.o.
514 (build/gencondmd.o): Filter out -fkeep-inline-functions.
515 (build/genextract): Delete.
516 (build/genautomata): Likewise.
518 2006-07-04 Alan Modra <amodra@bigpond.net.au>
521 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
522 128-bit IBM long doubles for ABI_V4.
524 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
526 * tree.c (range_in_array_bounds_p): New predicate.
527 * tree.h (range_in_array_bounds_p): Declare it.
528 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
529 return a less conservative answer.
530 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
532 (IS_ELEMENT_FOR_GROUP): New macro.
533 (FOR_EACH_ACTUAL_CHILD): Likewise.
534 (next_child_for_group): New helper function.
535 (can_completely_scalarize_p): Take into account groups.
536 (sra_hash_tree): Handle RANGE_EXPR.
537 (sra_elt_eq): Likewise.
538 (lookup_element): Be prepared for handling groups.
539 (is_valid_const_index): Delete.
540 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
541 instead of is_valid_const_index.
542 <ARRAY_RANGE_REF>: New case.
543 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
544 is_valid_const_index.
545 <ARRAY_RANGE_REF>: Do not unconditionally punt.
546 (scan_dump): Dump info for groups too.
547 (decide_instantiation_1): Likewise.
548 (decide_block_copy): Assert that the element is not a group.
549 Propagate decision to groups.
550 (generate_one_element_ref): Handle RANGE_EXPR.
551 (mark_no_warning): Iterate over actual childs.
552 (generate_copy_inout): Likewise.
553 (generate_element_copy): Likewise.
554 (generate_element_zero): Likewise.
555 (generate_element_init_1): Likewise.
556 (dump_sra_elt_name): Handle RANGE_EXPR.
558 2006-07-03 Roger Sayle <roger@eyesopen.com>
560 PR tree-optimization/26251
561 * tree-ssa-threadupdate.c (redirection_block_p): New function.
562 (thread_block): When optimizing for size refuse to thread jumps
563 that would require duplication of blocks other than redirection
566 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
568 * configure.ac: Fix thinko in previous check-in.
569 * configure: Regenerate.
571 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
574 * configure.ac (for lang...): Simplify nesting of conditionals.
575 Test subdir_requires for non-enabled languages. Move processing
576 of lang_opt_files and lang_tree_fiels below that test.
577 * configure: Regenerate.
578 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
580 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
582 * doc/gcov.texi (Invoking Gcov): Add a missing word.
584 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
586 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
589 2006-06-29 Jason Merrill <jason@redhat.com>
596 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
597 * c-common.c (c_determine_visibility): Handle it here.
598 * c-decl.c (finish_decl): Call c_determine_visibility for
600 * flags.h (enum symbol_visibility): Sort from most to least visibility.
602 * varasm.c (default_assemble_visibility): Likewise.
603 * c-common.c (handle_visibility_attribute): Complain about trying
604 to give visibility to an already defined class, or trying to change
605 declared visibility. Always attach the attribute.
610 * attribs.c (decl_attributes): Ignore type-in-place attributes
611 once the type has been defined.
613 2006-06-29 Roger Sayle <roger@eyesopen.com>
616 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
617 to indicate the cpplib has issued an error message for us.
619 2006-06-29 Asher Langton <langton2@llnl.gov>
622 * config/i386/i386.c (ix86_output_function_epilogue): Don't
623 insert a label at the end of an function under Mach-O.
625 2006-06-29 Eric Christopher <echristo@apple.com>
626 Evan Cheng <evan.cheng@apple.com>
628 * predicates.md (vector_all_ones_operand): New.
629 (nonimmediate_or_sse_const_operand): Ditto.
630 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
631 * config/i386/i386.c (standard_sse_constant_opcode): Define.
632 (standard_sse_mode_p): Ditto.
633 (standard_sse_constant_p): Add case for -1 vector.
634 (ix86_expand_vector_move): Try to use.
635 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
636 Call standard_sse_constant_opcode.
637 (*movv4sf_internal): Ditto.
638 (*movv2df_internal): Ditto.
640 2006-06-29 Roger Sayle <roger@eyesopen.com>
642 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
643 of XEXP to extract the operands of a MATCH_CODE rtx.
645 2006-06-28 Andrew Pinski <pinskia@gmail.com>
647 * tree.c (tree_size): Do not waste tail padding in
648 struct tree_string and make the size be the same as
649 build_string will generate.
651 2006-06-28 Jason Merrill <jason@redhat.com>
654 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
655 may_aliases already in the tag's annotations to the bitmap.
657 2006-06-28 Roger Sayle <roger@eyesopen.com>
659 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
661 2006-06-28 Roger Sayle <roger@eyesopen.com>
663 * genpreds.c (generate_switch_p): New function.
664 (add_mode_tests): Push the new mode test down inside an AND expr
665 if this allows the switch-suitable MATCH_CODE to be near the root.
666 (write_match_code_switch): New function to write a MATCH_CODE as
668 (write_predicate_stmts): New function to write a predicate RTX
669 expression as a sequence of statements.
670 (write_one_predicate_function): Use write_predicate_stmts.
671 (write_tm_constrs_h): Likewise.
673 2006-06-26 Fred Fish <fnf@specifix.com>
675 * config/mips/t-sb1: New file.
676 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
679 2006-06-26 DJ Delorie <dj@redhat.com>
681 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
683 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
684 Jayant Sonar <jayants@kpitcummins.com>
685 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
687 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
688 (subsi3, subsi3_1, subsi3_2): New.
689 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
690 * config/m32c/mov.md (SI mov peephole): New.
691 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
692 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
694 2006-06-26 Olivier Hainque <hainque@adacore.com>
696 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
697 a CALL_EXPR target function declaration.
699 2006-06-26 Richard Guenther <rguenther@suse.de>
701 * tree.c (build_string): Do not waste tail padding in
704 2006-06-26 Richard Guenther <rguenther@suse.de>
706 * ggc-page.c (init_ggc): Add missing element to size_lookup
710 2006-06-23 Richard Guenther <rguenther@suse.de>
712 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
713 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
714 alignment requests instead. Add verification code.
715 Add struct tree_function_decl and struct tree_binfo size to
716 extra_order_size_table. Add missing element to size_lookup
719 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
722 * fold-const.c (const_binop): Be prepared for self returning zero.
723 Simplify code handling complex values.
725 2006-06-24 Olivier Hainque <hainque@adacore.com>
727 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
728 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
731 2006-06-24 Olivier Hainque <hainque@adacore.com>
733 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
734 ARRAY_REF, so have the callback called for the low bound expression.
736 2006-06-23 Janis Johnson <janis187@us.ibm.com>
738 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
739 * c-typeck.c (c_common_type): Disallow operations on decimal float
740 types and other float types.
741 * convert.c (convert_to_real): Don't ignore conversions involving
744 2006-06-23 Olivier Hainque <hainque@adacore.com>
746 * tree.c (max_int_size_in_bytes): New function, inspired from
747 code in function.c:assign_temp.
748 * tree.h (max_int_size_in_bytes): Declare.
749 * function.c (assign_temp): Use it.
750 * gimplify.c (create_tmp_var): Relax the assertions on the type
751 properties, not mandating constant size any more.
752 (force_constant_size): New static function.
753 (gimple_add_tmp_var): Use it, forcing variable size to a
754 constant upper bound if it is not constant on entry.
756 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
759 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
760 for initialization and setting of one_only flag to ...
761 (i386_pe_encode_section_info): ...here.
762 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
763 Recheck that the symbol has not been defined.
765 2006-06-23 Richard Guenther <rguenther@suse.de>
767 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
768 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
769 alignment requests instead. Add verification code.
770 Add struct tree_function_decl and struct tree_binfo size to
771 extra_order_size_table. Add missing element to size_lookup
774 2006-06-22 Roger Sayle <roger@eyesopen.com>
775 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
778 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
779 call to lang_hooks.types.type_for_mode returned NULL_TREE.
781 2006-06-23 Ben Elliston <bje@au.ibm.com>
783 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
784 negate dn -- manipulate it directly.
786 2006-06-22 Roger Sayle <roger@eyesopen.com>
787 Steven Bosscher <stevenb.gcc@gmail.com>
790 * reload1.c (gen_reload): Call mark_jump_label on the new insns
791 generated by gen_move_insn to add REG_LABEL notes if necessary.
793 2006-06-22 Bob Wilson <bob.wilson@acm.org>
795 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
796 (leaf_entry): Remove use of MIN_ESA.
798 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
800 PR rtl-optimization/28121
801 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
804 2006-06-21 DJ Delorie <dj@redhat.com>
806 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
808 (mulhisi3_r): Likewise.
810 2006-06-21 Richard Sandiford <richard@codesourcery.com>
813 * coverage.c (coverage_counter_alloc): Leave the index type
815 (coverage_counter_alloc): Use null arguments for operands 2 and 3
818 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
820 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
821 section from the "Options for Code Generation Conventions".
823 2006-06-21 Richard Henderson <rth@redhat.com>
827 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
829 (global_symbolic_operand): Allow weak symbols, even if local_p.
831 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
833 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
834 (find_interesting_uses_address): Punt if above function returns true.
836 2006-06-21 Richard Guenther <rguenther@suse.de>
838 * configure: Regenerated.
840 2006-06-21 Joseph Myers <joseph@codesourcery.com>
842 * config/mips/mips.c (function_arg): Where one part of a
843 complex argument is in registers and the other part in the stack,
844 return a REG not a PARALLEL.
846 2006-06-21 Mark Mitchell <mark@codesourcery.com>
848 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
849 when cross-compiling. Do not substitute libstdcxx_incdir.
850 * configure: Regenerated.
852 2006-06-21 Jakub Jelinek <jakub@redhat.com>
854 * varasm.c (mergeable_string_section): Check for embedded NULs and
855 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
856 rather than TREE_STRING_LENGTH bytes.
858 2006-06-21 Richard Guenther <rguenther@suse.de>
860 * ggc-page.c (extra_order_size_table): Add var_ann_d,
861 tree_ssa_name, bitmap_element and phi_node with 4 arguments
864 2006-06-21 Richrad Guenther <rguenther@suse.de>
866 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
867 Limit iteration over the dominators.
869 2006-06-20 Roger Sayle <roger@eyesopen.com>
871 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
872 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
874 2006-06-20 Richard Guenther <rguenther@suse.de>
875 Michael Matz <matz@suse.de>
877 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
879 * alloc-pool.c (free_alloc_pool_if_empty): New function.
880 * et-forest.h (et_free_pools): Prototype new function.
881 * et-forest.c (et_free_tree_force): Free parent occurrence.
882 (et_free_pools): New function.
883 * dominance.c (free_dominance_info): Free et-forest alloc
886 2006-06-20 Roger Sayle <roger@eyesopen.com>
888 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
889 integer modes, attempt to directly construct an integer constant.
891 * fold-const.c (native_encode_vector): Determine the size of each
892 element from the vector type instead of the first vector element.
894 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
895 if all of its elements/components are constant.
896 (build_constructor_from_list): Likewise.
898 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
900 PR tree-optimization/27331
901 * tree-data-ref.c (free_data_ref): New function.
902 (create_data_ref): Fail if the data reference has unknown access
904 (free_data_refs): Use free_data_ref.
906 2006-06-19 Andrew Pinski <pinskia@gmail.com>
909 * tree-inline.c (setup_one_parameter): Strip useless
910 type conversion before adding it to the IR.
911 (declare_return_variable): Likewise.
913 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
916 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
918 2006-06-19 Mike Stump <mrs@apple.com>
920 * tree.c (variably_modified_type_p): VM arguments don't make the
923 2006-06-19 Richard Guenther <rguenther@suse.de>
925 * tree-ssa-pre.c (try_combine_conversion): Strip useless
926 type conversions after folding.
928 2006-06-19 Richard Guenther <rguenther@suse.de>
930 * ggc-page.c (extra_order_size_tab): Add entries with
931 size of struct function and basic_block.
932 (size_lookup): Extend to cover sizes up to 511.
933 (ggc_alloc_stat): Adjust user.
934 (ggc_pch_count_object): Likewise.
935 (ggc_pch_alloc_object): Likewise.
936 (ggc_pch_write_object): Likewise.
938 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
940 * tree-ssa-loop-niter.c (implies_ge_p): New function.
941 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
944 2006-06-19 Denis Chertykov <denisc@overta.ru>
946 * config/avr/libgcc.S : Correct my wrong previous commit.
948 2006-06-19 Roger Sayle <roger@eyesopen.com>
951 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
952 have stripped a SUBREG from the shift count, so we may need to
953 convert_to_mode back to the type's mode before calling make_tree.
954 Use new_amount instead of amount to avoid expanding a tree twice.
956 2006-06-19 Richard Guenther <rguenther@suse.de>
959 * fold-const.c (operand_equal_p): Check if the argument types
960 have the same precision before stripping NOPs.
962 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
964 Fix PR tree-optimization/27341
965 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
967 * tree-complex.c (pass_lower_complex): Update SMT usage.
969 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
971 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
972 Add a new alternative to the constraint strings. Add move of
973 operand 1 to 3 to the splitter definition.
974 ("doloop_si_long"): Second contraint alternative removed.
976 2006-06-08 Anatoly Sokolov <aesok@post.ru>
978 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
979 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
981 (AVR_HAVE_MOVW) Define.
982 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
983 (ASM_SPEC): Add avr25.
984 (LINK_SPEC): Add avr25.
985 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
986 (base_arch_s): Add new member 'have_movw_lpmx'.
987 (avr_arch_types): Init 'have_movw_lpmx'.
988 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
989 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
990 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
991 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
992 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
994 (avr_file_start): Do not output '.arh' derective.
995 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
996 (__do_copy_data): Use __AVR_HAVE_LPMX__.
997 * config/avr/avr.md (mcu_enhanced): Delete.
998 (mcu_have_movw): Define.
999 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1000 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1001 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1002 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1003 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1004 attiny861 and at86rf401 devices.
1006 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1008 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1011 2006-06-17 Karl Berry <karl@gnu.org>
1013 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1014 doc/gccint.texi, doc/install.texi (@dircategory): Use
1015 "Software development" instead of "Programming", following
1016 the Free Software Directory.
1018 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1020 * config/i386/i386.c (legitimate_tls_address)
1021 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1022 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1023 (*tls_dynamic_gnu2_combine_64): Likewise.
1025 2006-06-16 Richard Guenther <rguenther@suse.de>
1028 * fold-const.c (negate_expr_p): Do not introduce undefined
1029 overflow in negating INTEGER_CSTs.
1030 (fold_negate_expr): Rename from negate_expr. Revert last
1031 change for folding BIT_NOT_EXPR. Change semantics to
1032 return NULL_TREE for non-simplified negations. Do not
1033 strip type conversions and unify type handling.
1034 (negate_expr): New function, wrap around fold_negate_expr
1035 but ensure building a tree always. Strip type conversions
1036 here, fold to result type.
1037 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1039 2006-06-16 Roger Sayle <roger@eyesopen.com>
1042 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1043 that (would) return their results in stack registers.
1045 2006-06-16 Michael Matz <matz@suse.de>
1046 Richard Guenther <rguenther@suse.de>
1048 * fold-const.c (fold_truthop): Only return new tree node if
1049 we canonicalized something.
1051 2006-06-16 Richard Guenther <rguenther@suse.de>
1053 * function.h (enum function_frequency): Move declaration
1054 out of struct function.
1055 (struct function): Move bool fields and the enum to the bitfield
1056 section. Reorder elements to avoid padding. Remove unused
1057 fields left over from the RTL inliner removal.
1058 * function.c (free_after_compilation): Do not zero removed fields.
1059 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1060 (ipa-type-escape.o): Likewise.
1062 2006-06-16 Richard Guenther <rguenther@suse.de>
1064 * cgraph.h (struct cgraph_local_info): Turn bool elements
1066 (struct cgraph_node): Likewise.
1067 (struct cgraph_varpool_node): Likewise.
1069 2006-06-15 Richard Guenther <rguenther@suse.de>
1071 * fold-const.c (fold_truth_not_expr): Rename from
1072 invert_truthvalue. Give it fold_* semantics to avoid
1074 (invert_truthvalue): New function. Wrapper around
1075 fold_truth_not_expr.
1076 (optimize_minmax_comparison): Avoid creating garbage.
1077 (fold_unary): Use fold_truth_not_expr for folding
1079 (fold_ternary): Replace uses of invert_truthvalue with
1080 fold_truth_not_expr where applicable.
1081 * tree.h (fold_truth_not_expr): Prototype.
1083 2006-06-16 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/27781
1086 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1087 * ipa-pure-const.c (target.h): Include.
1088 (analyze_function): Do not analyze functions that do not
1091 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1094 * tree-dfa.c (referenced_vars_dup_list): Remove.
1095 (find_referenced_vars): Remove assert.
1096 (referenced_var_check_and_insert): Replace dup list with assert.
1097 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1098 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1100 2006-06-15 Richard Guenther <rguenther@suse.de>
1102 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1103 extra unused identifiers if not dumping.
1104 (create_variable_info_for): Likewise.
1106 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1108 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1109 (derive_constant_upper_bound): Derive more precise upper bound in
1110 common cases. Return type changed to double_int.
1111 (record_estimate): Reflect the changed return type of
1112 derive_constant_upper_bound.
1113 * double-int.c (double_int_zext, double_int_sext): Fix.
1115 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1117 * configure.ac (CFLAGS): Get them from the toplevel or from the
1118 configure invocation.
1119 * configure: Regenerate.
1120 * Makefile.in (CFLAGS): Substitute value provided by configure.
1122 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1125 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1126 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1127 rather than calling add_stmt on it.
1128 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1130 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1133 * reload1.c (reload): Remove registers returned by update_eliminables
1134 from used_spill_regs.
1136 2006-06-13 DJ Delorie <dj@redhat.com>
1138 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1140 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1142 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1143 html__strip_dir, html__mkdir_p. Enhance install-html target.
1144 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1145 * configure: Regenerate.
1147 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1149 * fold-const.c (fold_cond_expr_with_comparison): Check for
1150 Objective-C++ as language in deciding COND_EXPR transformation.
1152 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1155 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1156 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1157 * config/sh/lib1funcs.h (SL, SL1): Define.
1158 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1159 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1160 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1161 (OBJS_Os_4_200): New variable.
1162 ($(T)libgcc-Os-4-200.a): Use it.
1163 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1164 when dividing 1 and/or by 0.
1166 2006-06-13 Roger Sayle <roger@eyesopen.com>
1168 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1169 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1170 * configure: Regenerate.
1172 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1174 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1175 for real instruction.
1177 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1180 * haifa-sched.c (check_cfg): Handle special case.
1182 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1185 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1186 Add debug_info parameter. Chain the vars to the BLOCK instead
1187 of the BIND_EXPR if debug info are requested for them.
1188 (pop_gimplify_context): Adjust for above change.
1189 (gimple_add_tmp_var): Likewise.
1190 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1192 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1193 (convert_local_reference): Likewise.
1194 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1195 (finalize_nesting_tree_1): Request that debug info be emitted
1196 for debug_var_chain.
1198 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1200 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1201 for PR target/27863.
1203 2006-06-13 Richard Guenther <rguenther@suse.de>
1206 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1208 2006-06-13 Richard Guenther <rguenther@suse.de>
1210 PR tree-optimization/27830
1211 * tree-inline.c (copy_body_r): For copying the operand
1212 of an ADDR_EXPR make sure to fold &* afterwards.
1214 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1216 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1217 lvalues in the fb_none case with side-effects.
1219 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1221 * tree-flow.h: Remove the prototype for
1222 compute_phi_arg_on_exit.
1223 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1224 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1227 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1229 * builtins.c (expand_builtin_return_addr): Only use
1230 frame_pointer_rtx when count == 0 and we are expanding
1231 __builtin_return_address.
1233 2006-06-12 Fred Fish <fnf@specifix.com>
1235 * config/mips/mips.c (mips_file_start): Create special section
1236 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1238 2006-06-11 Eric Christopher <echristo@apple.com>
1241 * stor-layout.c (place_field): Remove check for
1242 remaining_in_alignment when aligning at the end of a run.
1244 2006-06-11 Eric Christopher <echristo@apple.com>
1247 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1250 2006-06-11 Roger Sayle <roger@eyesopen.com>
1253 Revert incorrect fix for PR target/27158
1254 2006-05-08 Roger Sayle <roger@eyesopen.com>
1255 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1256 of a reg_equiv_constant if the result is a legitimate constant.
1258 2006-06-11 Roger Sayle <roger@eyesopen.com>
1261 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1262 extract a CONST_VECTOR element and interpret it as an integer.
1263 (vspltis_constant): Use const_vector_elt_as_int instead of the
1264 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1265 * config/rs6000/predicates.md (easy_vector_const): Consider
1266 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1268 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1271 * stor-layout.c (update_alignment_for_field): Don't add extra
1272 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1275 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1277 * config/mips/t-rtems: Add EL/EB multilib variants.
1279 2006-06-09 Mike Stump <mrs@apple.com>
1281 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1283 2006-06-09 David Daney <ddaney@avtrex.com>
1285 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1287 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1289 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1291 2006-06-09 Richard Guenther <rguenther@suse.de>
1293 PR tree-optimization/26998
1294 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1295 of signed types, only TYPE_MIN_VALUE is special, but for both,
1296 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1297 in this case, as is -fwrapv.
1299 2006-06-08 Mike Stump <mrs@apple.com>
1302 * config/darwin.c (darwin_asm_output_anchor): Disable
1303 -fsection-anchors on darwin for now.
1304 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1305 * rs6000/rs6000.c (optimization_options): Likewise.
1307 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1310 * config/i386/i386.c (classify_argument): Skip fields with invalid
1313 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1315 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1316 (cse_insn): Likewise for the stack_pointer_rtx.
1318 2006-06-08 Roger Sayle <roger@eyesopen.com>
1320 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1321 conditions from floating point comparisons.
1323 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1326 * expmed.c (struct alg_hash_entry): Fix type of field T
1327 to match synth_mult argument.
1328 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1330 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1333 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1336 2006-06-08 Richard Guenther <rguenther@suse.de>
1339 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1340 only, if overflow is defined and not trapping.
1341 (negate_expr): Likewise.
1343 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1345 PR tree-optimization/27872
1346 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1347 flag on the new exit edge of the unrolled loop.
1349 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1351 PR rtl-optimization/26449
1352 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1354 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1357 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1358 referenced_variables with matching DECL_UID's.
1359 (find_referenced_vars): Make sure duplicate list is empty to start.
1360 (referenced_var_p): Remove.
1361 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1362 Check if var is in the list, and add if needed. Update the duplicate
1363 list if a different var is in the list with the same DECL_UID.
1364 (add_referenced_var): Call routine to check and insert.
1365 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1366 * tree-flow.h (referenced_vars_dup_list): External declaration.
1368 2006-06-07 Fred Fish <fnf@specifix.com>
1370 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1373 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1376 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1377 the imaginary and real parts of a clobbered register.
1378 Emit insn to set the imaginary part.
1380 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1382 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1383 in lieu of unwind-dw2-fde.c.
1385 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1387 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1389 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1392 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1393 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1394 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1395 V4SImode temporaries and operations instead.
1397 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1399 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1402 2006-06-06 Mike Stump <mrs@apple.com>
1404 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1405 installing during build.
1407 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1409 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1411 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1412 * config/ia64/ia64.c (params.h): New header.
1413 (ia64_optimization_options): New function to adjust parameters.
1414 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1415 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1416 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1418 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1420 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1422 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1425 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1427 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1428 Victor Kaplansky <victork@il.ibm.com>
1430 PR tree-optimization/26360
1431 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1434 2006-06-04 Roger Sayle <roger@eyesopen.com>
1435 Andrew Pinski <pinskia@physics.uc.edu>
1438 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1439 for LABEL_DECL before calling DECL_WEAK.
1442 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1443 LABEL_DECL and PARM_DECL.
1445 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1449 * c-decl.c (grokdeclarator): Disallow variably modified types at
1450 file scope. Avoid marking shared array type of constant size as
1453 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1456 * c-common.c (fold_offsetof_1): Handle static members.
1458 2006-06-04 Eric Christopher <echristo@apple.com>
1460 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1461 (debug_rli): Output value for remaining_in_alignment.
1462 (update_alignment_for_field): Unconditionalize
1463 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1464 extra alignment code.
1465 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1466 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1467 * tree.h (record_layout_info_s): Remove prev_packed.
1468 * doc/extend.texi (ms_struct): Add documentation of format.
1470 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1472 * tree.h: Declare folding_initializer.
1473 * builtins.c (fold_builtin_constant_p): Give definite answer
1474 if folding inside an initializer.
1475 * fold-const.c: Define folding_initializer.
1476 (START_FOLD_INIT): Save and then set folding_initializer.
1477 (END_FOLD_INIT): Restore folding_initializer.
1479 2006-06-04 Richard Guenther <rguenther@suse.de>
1481 PR tree-optimization/27039
1482 * fold-const.c (fold_comparison): Handle pointer comparison
1483 again for all comparison codes. Compare offsets in signed
1485 (fold_binary): Move code from here.
1487 2006-06-03 Roger Sayle <roger@eyesopen.com>
1490 * config/i386/i386.c (construct_container): Split static issued_error
1491 flag into issued_sse_arg_error, issued_sse_ret_error and
1492 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1493 requires the use of x87 registers and the user explicitly
1494 specified the -mno-80387 command line option.
1496 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1498 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1499 HAVE_DECL_SIGALTSTACK.
1501 (segv_handler): Use MC_FLD.
1502 * configure.ac: Check for a sigaltstack declaration.
1503 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1504 * configure: Regenerate.
1505 * config.in: Regenerate.
1507 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1510 * Makefile.in (stmp-fixinc): Fix typo.
1512 2006-06-02 Roger Sayle <roger@eyesopen.com>
1514 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1515 are type correct. Clean-up.
1516 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1517 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1519 2006-06-01 DJ Delorie <dj@redhat.com>
1521 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1522 shift, as we've disabled the "switch" insn that needs it.
1524 2006-06-01 Per Bothner <bothner@bothner.com>
1526 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1527 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1528 * c-ppoutput.c (cb_define): Don't increment line 0.
1530 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1532 * doc/invoke.texi: Add cpu_type power6.
1533 * config.gcc: Add cpu_type power6.
1534 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1535 to power5+ with Altivec.
1536 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1537 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1539 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1541 * config/avr/avr.h (SET_ASM_OP): Define.
1543 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1545 * config/bfin/bfin.c: Fix comment typos.
1547 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1550 * doc/install.texi: Document --enable-bootstrap and
1551 --disable-bootstrap.
1553 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1555 * doc/install.texi: Document that InfoZIP can replace jar.
1557 2006-05-31 Roger Sayle <roger@eyesopen.com>
1559 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1560 isn't available, directly generate the simpler x87 patterns without
1561 the (use (const_int 0)).
1562 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1563 implementation isn't available.
1564 (*negdf2_1): Likewise.
1565 (*negxf2_1): XF mode negation is always done using the x87.
1566 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1568 2006-05-31 Roger Sayle <roger@eyesopen.com>
1570 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1571 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1573 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1575 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1577 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1578 * config/bfin/bfin.c (basic-block.h): Include.
1579 (struct machine_function): New.
1580 (bfin_init_machine_status): New.
1581 (override_options): Initialize init_machine_status.
1582 (bfin_hardware_loop): New.
1583 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1584 (DEF_VEC_P (loop_info)): New.
1585 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1586 (struct loop_info): New.
1587 (loop_info): New typedef.
1588 (struct loop_work): New.
1589 (loop_work): New typedef.
1590 (DEF_VEC_O (loop_work)): New.
1591 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1592 (bfin_dump_loops): New.
1593 (bfin_bb_in_loop): New.
1594 (bfin_scan_loop): New.
1595 (bfin_optimize_loop): New.
1596 (bfin_reorg_loops): New.
1597 (bfin_reorg): Use bfin_reorg_loops.
1598 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1600 (I_REGNO_P): Simplify.
1601 (DP_REGNO_P, DPREG_P): New macros.
1602 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1603 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1604 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1605 Add LT_REGS, LC_REGS, LB_REGS.
1606 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1608 (REGNO_REG_CLASS): Deal with loop registers.
1609 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1611 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1612 New constants for loop registers.
1613 (UNSPEC_LSETUP_END): New.
1614 (seq_insns): New define_attr. Set it for appropriate insns.
1615 (movsi_insn): Add alternatives for move from/to
1616 loop count registers.
1617 (doloop_end): New define_expand.
1618 (loop_end): New define_insn.
1619 (define_split for bad doloop_end): New.
1620 (lsetup_with_autoinit): New define_insn.
1621 (lsetup_without_autoinit): New define_insn.
1622 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1623 * config/bfin/predicates.md (lc_register_operand): New.
1624 (lt_register_operand): New.
1625 (lb_register_operand): New.
1626 (nondp_register_operand): New.
1627 (nondp_reg_or_memory_operand): New.
1628 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1630 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1632 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1633 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1635 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1637 * Makefile.in (CATALOGS): Add po/ prefix.
1638 * configure: Regenerated.
1640 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1643 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1644 a shift operand before calling shift_op. Avoid redundant call of
1647 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1648 DJ Delorie <dj@redhat.com>
1650 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1651 we're inserting is a singlt-bit constant.
1653 2006-05-30 Roger Sayle <roger@eyesopen.com>
1655 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1656 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1658 2006-05-30 Roger Sayle <roger@eyesopen.com>
1660 PR tree-optimization/23452
1661 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1662 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1663 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1664 complex values and with -ffast-math for FP complex values.
1666 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1668 * c-common.h: Remove the prototype for yyparse.
1669 * rtl.h: Remove the prototype for init_loop.
1671 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1673 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1676 2006-05-30 Roger Sayle <roger@eyesopen.com>
1678 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1680 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1681 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1683 2006-05-30 Dirk Mueller <dmueller@suse.de>
1686 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1687 for CONSTANT_CLASS_P expresisons.
1689 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1692 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1694 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1696 PR tree-optimization/27779
1697 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1698 initial_condition instead of CHREC_LEFT.
1700 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1702 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1703 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1704 Make prototypes ISO C90.
1706 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1707 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1709 * see.c (see_analyze_one_def): Correct check.
1710 (see_get_extension_data): Check if extension is parallel.
1711 (see_get_extension_reg): Likewise.
1713 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1716 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1717 into register for (code == GTU).
1719 2006-05-29 Roger Sayle <roger@eyesopen.com>
1721 PR tree-optimization/24964
1722 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1723 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1724 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1725 abs(x)*abs(x) as x*x for scalar floating point modes.
1727 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1730 * lambda-code.c (perfect_nestify): Don't copy statements
1731 in the inner loop: move them to the inner loop header.
1733 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1736 * c-tree.texi: Document OpenMP directives and clauses.
1738 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1740 * varasm.c (globalize_decl): Fix indentation.
1742 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1745 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1746 pass_fre, pass_store_ccp, pass_copy_prop,
1747 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1748 pass_return_slot, pass_object_size, pass_lim,
1749 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1750 pass_loop_prefetch and pass_stdarg.
1752 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1754 * config/bfin/bfin.opt (mfdpic): New option.
1755 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1756 (EXTRA_MULTILIB_PARTS): Likewise.
1757 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1758 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1760 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1761 (CRT_CALL_STATIC_FUNCTION): New.
1762 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1764 (CRT_CALL_STATIC_FUNCTION): New.
1765 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1767 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1768 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1769 (initialize_trampoline): Changed to handle FD-PIC code generation.
1770 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1771 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1772 (override_options): Disallow -mid-shared-library -mfdpic combination.
1773 Can't do unaligned ops if FD-PIC.
1774 Turn off flag_pic if trying to generate non-id-shared-library
1775 non-fdpic code, since it's not supported.
1776 (bfin_assemble_integer): New function.
1777 (TARGET_ASM_INTEGER): Define.
1778 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1780 * config/bfin/crtn.s: Restore them.
1781 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1783 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1784 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1785 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1786 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1787 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1789 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1790 FDPIC_REGS and FDPIC_FPTR_REGS.
1791 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1792 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1793 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1794 (load_funcdescsi): New pattern.
1795 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1796 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1797 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1799 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1801 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1804 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1806 * tree-flow.h: Remove the prototype for add_type_alias.
1807 * tree-ssa-alias.c (add_type_alias): Remove.
1809 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1811 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1812 config/fr30/fr30.md, config/i386/i386-interix.h,
1813 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1814 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1815 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1816 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1817 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1818 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1819 Follow spelling conventions.
1820 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1821 Follow spelling conventions.
1823 2006-05-27 Richard Guenther <rguenther@suse.de>
1826 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1827 to produce a constant of value 1 of generic type.
1829 2006-05-27 Dirk Mueller <dmueller@suse.de>
1831 * cgraphunit.c (decide_is_function_needed): Fix wrong
1834 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1836 PR rtl-optimization/27661
1837 * reload.c (find_reloads): When reloading a VOIDmode constant
1838 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1839 use Pmode as mode of the reload register.
1841 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1843 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1844 is enabled at -O and above.
1846 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1849 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1852 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1855 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1856 for anonymous variables explicitly declared by front ends.
1858 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1860 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1861 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1862 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1863 ref-all pointers, run a finalization pass for them.
1864 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1865 (finalize_ref_all_pointers): New function.
1866 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1867 regular pointer type to a ref-all pointer type.
1868 (get_tmt_for): Return the special memory tag for ref-all pointers.
1870 2006-05-25 Richard Guenther <rguenther@suse.de>
1873 * fold-const.c (fold_binary): Do not look at the stripped
1874 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1876 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1878 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1879 for LT and GT if the computed range is effectively empty.
1881 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1884 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1885 mips_quad_format formats instead of ieee_single_format,
1886 ieee_double_format and ieee_quad_format formats, respectively.
1888 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1890 PR tree-optimization/27639
1891 PR tree-optimization/26719
1892 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1893 call to scev_probably_wraps_p.
1894 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1895 used_in_pointer_arithmetic_p, convert_step): Removed.
1896 (nowrap_type_p): New function.
1897 (scev_probably_wraps_p): Rewritten.
1898 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1899 chrec_convert if chrec_convert_aggressive might have been used.
1900 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1901 scev_direction): New functions.
1902 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1903 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1904 instead of convert_step.
1905 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1906 (convert_step): Declaration removed.
1907 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1909 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1911 * df-core.c: Added to header comments.
1912 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1913 df_ur_bb_info, df_urec_bb_info): Added comments.
1914 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1915 urec, ri problems): Fixed header comments.
1916 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1917 code from df_rd_transfer_function.
1919 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1921 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1922 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1923 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1925 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1927 * expr.c (undefined_operand_subword_p): New.
1928 (emit_move_multi_word): Do not generate move from undefined bits
1929 of a paradoxical subreg.
1931 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1933 PR rtl-optimization/27736
1934 * combine.c (replaced_rhs_value): New variable.
1935 (combine_instructions): Set it.
1936 (distribute_notes): When distributing a note in replaced_rhs_insn,
1937 check whether the value was used in replaced_rhs_value.
1939 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1942 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1943 add_referenced_var instead of add_referenced_tmp_var.
1944 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1945 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1947 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1948 tree_optimize_tail_calls_1): Use add_referenced_var.
1949 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1950 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1951 Use add_referenced_var.
1952 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1953 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1954 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1955 Use add_referenced_var.
1956 * tree-dfa.c (struct walk_state): Remove.
1957 (find_referenced_vars): Remove walk state and vars_found hash table.
1958 (make_rename_temp): Use add_referenced_var.
1959 (find_vars_r): Pass less parameters to add_referenced_var.
1960 (referenced_var_p): New. Is var in referenced_var hash table.
1961 (referenced_var_insert): Assert var isn't already in hash table.
1962 (add_referenced_var): Don't need walk_state parameter. Add var if it
1963 isn't already in the hash table.
1964 (add_referenced_tmp_var): Remove.
1965 (find_new_referenced_vars_1): Use add_referenced_var.
1966 * tree-ssa-pre.c (create_expression_by_pieces,
1967 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1968 Use add_referenced_var.
1969 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1970 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1971 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1973 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1974 vect_create_data_ref_ptr, vect_create_destination_var,
1975 vect_init_vector, vect_build_loop_niters,
1976 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1977 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1978 Use add_referenced_var.
1979 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1980 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1981 (add_referenced_var): Add prototype.
1982 * tree-ssa-structalias.c (get_constraint_for,
1983 intra_create_variable_infos): Use add_referenced_var.
1985 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1987 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1988 big-endian paradoxical subregs.
1989 * var-tracking.c (struct micro_operation_def): Document that,
1990 for modify micro operations, insn is the subsequent instruction.
1991 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1992 (var_reg_set, var_mem_set): ... new functions.
1993 (add_stores): Record subsequent insn.
1994 (compute_bb_dataflow): Use new functions for MO_USE.
1995 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1996 notes after the insn, and modify notes before the insn known
1997 to be the subsequent one.
1998 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2000 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2003 * config/i386/i386.c (ix86_expand_builtin): Use
2004 gen_sse3_monitor64 for TARGET_64BIT.
2006 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2008 PR rtl-optimization/26375
2009 PR rtl-optimization/26855
2010 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2012 (df_ru_bb_local_compute): Reversed statements and removed bogus
2013 comment explaining why they should be in wrong order.
2014 (df_ru_dump, df_rd_dump): Enhanced debug info.
2015 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2017 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2018 reaching uses and fixed space problem.
2020 2006-05-23 Jan Hubicka <jh@suse.cz>
2022 * cgraphunit.c (decide_is_function_needed): Also nested functions
2023 and functions declared inline can be optimized out at -O0.
2025 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2027 * doc/install.texi (Configuration): Remove reference to CrossGCC
2031 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2034 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2035 ix86_compare_emitted is non-NULL.
2037 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2040 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2043 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2045 PR rtl-optimization/25514
2046 * combine.c (replaced_rhs_insn): New variable.
2047 (combine_instructions): Set replaced_rhs_insn when trying to replace
2048 a SET_SRC with a REG_EQUAL note.
2049 (distribute_notes): Use replaced_rhs_insn when determining the live
2050 range of a REG_DEAD register.
2052 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2053 Anatoly Sokolov <aesok@post.ru>
2055 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2056 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2057 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2058 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2059 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2060 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2061 at90usb647, at90usb1286 and at90usb1287 devices.
2062 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2063 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2065 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2067 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2069 2006-05-22 Richard Guenther <rguenther@suse.de>
2072 2006-01-31 Richard Guenther <rguenther@suse.de>
2073 Paolo Bonzini <bonzini@gnu.org>
2075 * doc/install.texi (--disable-libgcc-math): Document.
2077 2006-05-22 Richard Guenther <rguenther@suse.de>
2080 2006-01-31 Richard Guenther <rguenther@suse.de>
2082 * doc/invoke.texi (-msselibm): Document.
2083 * target.h (expand_library_builtin): New target hook.
2084 * builtins.c (expand_builtin): Use expand_library_builtin.
2085 (default_expand_library_builtin): New function.
2086 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2087 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2088 (link_gcc_math_spec): Declare.
2089 (static_specs): Add link_gcc_math_spec.
2090 * expr.h (default_expand_library_builtin): Declare.
2091 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2092 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2093 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2094 * config/i386/i386.opt (msselibm): New target option.
2095 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2096 (ix86_init_sse_abi_builtins): New function.
2097 (ix86_expand_library_builtin): Likewise.
2098 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2099 (override_options): Handle error conditions wrt -msselibm.
2100 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2101 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2102 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2105 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2108 * c-common.c (self_promoting_args_p): Skip erroneous args.
2111 * c-decl.c (finish_struct): Skip erroneous fields.
2113 2006-05-22 Nick Clifton <nickc@redhat.com>
2115 * config/cris/cris.opt (march): Remove VarExists attribute.
2116 (max-stackframe=): Likewise.
2118 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2120 * doc/rtl.texi: Fix a typo.
2121 * see.c: Fix comment typos.
2123 * tree-ssa-structalias.h (alias_info): Remove num_references.
2125 2006-05-21 Mike Stump <mrs@apple.com>
2127 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2129 (darwin_pragma_options): Use BAD instead.
2130 (darwin_pragma_unused): Likewise.
2131 (darwin_pragma_ms_struct): Likewise.
2133 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2135 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2137 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2139 PR rtl-optimization/27671
2140 * simplify-rtx.c (simplify_relational_operation_1): Fix
2141 simplifications of (eq/ne (xor x y) y) and
2142 (eq/ne (xor x y) x).
2144 PR tree-optimization/26622.
2145 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2148 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2150 * tree-cfg.c: Prune whitespace.
2151 (debug_tree_cfg): Point to correct header containing the
2154 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2157 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2159 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2162 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2163 or sorry count is non zero.
2165 2006-05-20 Andreas Schwab <schwab@suse.de>
2167 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2169 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2170 Kenneth Zadeck <zadeck@naturalbridge.com>
2172 PR rtl-optimization/26855
2174 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2176 (df_scan_alloc): Added code to properly handle multiword hard
2177 registers and add all_blocks parameter.
2178 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2179 code to properly handle multiword hard registers.
2180 (df_rescan_blocks): Added code to remove deleted blocks from
2182 (df_ref_create_structure, df_ref_record): Added code to properly
2184 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2185 and set DF_REF_PARTIAL.
2186 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2187 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2188 (df_scan_add_problem): Added flags parameter.
2189 (df_ref_create_structure): Changed switching structure.
2190 (df_bb_refs_record): Fixed case where duplicate artificial refs
2191 were created. Changed location of flags.
2192 (df_record_entry_block_defs): Added code to make stack pointer
2193 live in entry block. Refined cases where frame pointer is needed.
2194 Changed location of flags.
2195 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2196 (df_set_state): Removed function.
2197 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2198 df_insn_create_insn_record, df_insn_refs_delete,
2199 df_ref_create_structure): Formatting changes.
2200 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2201 df_delete_basic_block): New function.
2202 (df_init): Changed location of flags.
2203 (df_add_problem): Added flags parameter and the way flags are
2205 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2206 debug_df_chain): Improved debugging output.
2207 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2208 (df_refs_chain_dump): Removed df parameter.
2209 (df_iterative_dataflow): Added consistency check.
2210 (df_prune_to_subcfg): Made public.
2211 (df_analyze_problem): Added blocks_to_init parameter and made
2213 (df_ref_record, df_bb_refs_record, df_mark_reg,
2214 df_record_exit_block_uses): Whitespace changes.
2215 (df_dump): Whitespace changes.
2216 * df.h: Some reordering to remove forward references.
2217 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2218 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2219 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2220 (dataflow.flags): New field.
2221 (df.flag): Deleted field.
2222 (df_alloc_function): Added additional bitmap parameter.
2223 (df_dependent_problem_function): New type.
2224 (df_problem.changeable_flags): New field.
2225 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2226 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2227 (df_mw_hardreg): New struct.
2228 (DF_INSN_UID_MWS): New macro.
2229 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2231 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2232 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2233 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2234 (df_set_state): Removed function.
2235 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2236 * df-problems.c (df_chain_dump): Removed df parameter.
2237 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2238 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2240 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2241 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2242 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2243 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2244 DF_REF_MUST_CLOBBER cases.
2245 (df_ru_bb_local_compute_process_def,
2246 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2247 df_lr_bb_local_compute, df_ur_bb_local_compute,
2248 df_chain_create_bb): Made subreg aware.
2249 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2250 df_lr_bb_local_compute, df_lr_bb_local_compute,
2251 df_chain_create_bb): Cleanup to use proper macros.
2252 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2253 code to fixup bitvectors.
2254 (df_ri_alloc): Cleared lifetime.
2255 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2256 df_create_unused_note): New function.
2257 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2258 REG_DEAD and REG_UNUSED notes as well as register information.
2259 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2260 df_chains_dump): Fixed crash if problem was never run.
2261 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2262 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2263 df_ri_add_problem): Processes flags in uniform manner.
2264 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2265 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2266 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2267 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2268 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2269 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2270 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2271 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2272 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2273 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2274 * see.c (see_initialize_data): Ditto.
2275 * final.c (rest_of_clean_state) Added regstack_completed.
2276 * rtl.h (regstack_completed): Ditto.
2277 * reg-stack.c (regstack_completed): Ditto.
2279 2006-05-19 Mike Stump <mrs@apple.com>
2281 * c-tree.h (default_conversion): Remove.
2282 * c-common.h (default_conversion): Add.
2284 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2286 * tree-vrp.c (valid_value_p): New function.
2287 (adjust_range_with_scev): Fail if the value of bound is not
2290 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2292 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2293 (mips_fallback_frame_state): Use syscall numbers to determine
2294 the appropriate li instruction for the current ABI. Only use
2295 __NR_sigreturn for o32.
2297 2006-05-19 Nicolas Setton <setton@adacore.com>
2299 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2300 * langhooks.c (lhd_dwarf_name): New function.
2301 * langhooks-def.h (lhd_dwarf_name): Declare.
2302 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2303 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2304 * ada/misc.c (gnat_dwarf_name): New function.
2305 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2307 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2309 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2311 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2312 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2313 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2314 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2315 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2316 determine the size of Wtype, etc.
2317 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2318 (swfloatfuncs): New variable.
2319 (dwfloatfuncs): Likewise.
2320 (lib2funcs): Remove floating-point conversion functions from
2321 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2322 the set of conversion routines needed. Allow entries to specify
2323 an object name, filename and word size. Update users accordingly.
2324 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2325 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2329 2006-02-08 Roger Sayle <roger@eyesopen.com>
2332 * config/fixtfdi.c: New libgcc source file.
2333 * config/fixunstfdi.c: New source file.
2334 * config/floatditf.c: New source file.
2335 * config/floatunditf.c: New souce file.
2336 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2337 files above instead of config/mips/_tilib.c.
2338 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2340 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2342 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2343 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2345 2006-05-18 Mike Stump <mrs@apple.com>
2347 Fix up vla, vm and [*] sematics.
2353 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2354 (c_vla_unspec_p): Add.
2355 (c_vla_type_p): Add.
2356 * c-decl.c (struct c_scope): Add had_vla_unspec.
2357 (build_array_declarator): Add support for [*].
2358 (grokdeclarator): Likewise.
2359 (grokparms): Likewise.
2360 (get_parm_info): Likewise.
2361 * c-objc-common.c (c_vla_unspec_p): Likewise.
2362 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2363 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2364 typeof when argument is a variably modified type not inside sizeof or alignof.
2365 (c_parser_direct_declarator_inner): Propagate errors.
2366 (c_parser_sizeof_expression): Add support for [*].
2367 (c_parser_parms_declarator): Initialize had_vla_unspec.
2368 (c_parser_parms_list_declarator): Likewise.
2369 * c-typeck.c (c_vla_type_p): Add.
2370 (composite_type): Add support for vla compositing.
2371 (comptypes_internal): Add support for vla compatibility.
2372 (c_expr_sizeof_expr): Evaluate vla arguments.
2373 * tree.c (variably_modified_type_p): Update comment for [*].
2375 2006-05-18 Michael Matz <matz@suse.de>
2378 * config.host: Make assignments to host_xmake_file cumulative.
2379 * config.host (*-darwin*): Test $host, not $target.
2381 2006-05-12 Stuart Hastings <stuart@apple.com>
2383 * config/i386/i386.opt (-mstackrealign): New flag.
2384 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2385 (ix86_handle_cconv_attribute): Emit error when
2386 force_align_arg_pointer attribute collides with too many regparms.
2387 (ix86_function_regparm): Limit regparms when used with
2388 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2389 Support stack-realigning prologue in non-main functions. Emit
2390 warning for nested functions under -mstackrealign, emit error for
2391 nested functions with force_align_arg_pointer attribute.
2392 * doc/extend.texi (force_align_arg_pointer): Document it.
2393 * doc/invoke.texi (-mstackrealign): Document it.
2395 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2397 PR rtl-optimization/27477
2398 * combine.c (try_combine): Don't split a parallel consisting
2399 of two sets into two individual sets if both sets reference
2402 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2404 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2405 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2407 * doc/options.texi (VarExists): Updated.
2409 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2411 * unwind-dw2.c: Add declarations for uw_update_context and
2413 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2414 detected, advance frame state and context once to skip over stub.
2416 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2420 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2421 Call rewrite_into_loop_closed_ssa only when something changed.
2422 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2423 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2424 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2425 Test for perfect_nest_p here. Fix formating.
2426 (replace_uses_equiv_to_x_with_y): Fix formating.
2427 (stmt_uses_op): Removed.
2428 (can_convert_to_perfect_nest): Removed loopivs parameter.
2429 Complete the test by checking the scalar dependences.
2430 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2433 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2436 From Dan Kegel <dank@kegel.com>:
2437 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2439 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2441 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2442 if the element type is variably modified without recursing.
2444 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2447 * tree-loop-linear.c (try_interchange_loops): Test for
2448 no data dependences.
2450 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2452 PR tree-optimization/27548
2453 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2454 range of ssa names that appear on abnormal edges.
2455 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2456 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2458 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2461 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2463 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2466 * tree.h (OMP_PARALLEL_COMBINED): Define.
2467 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2468 (new_omp_context): Add is_combined_parallel argument.
2469 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2470 new_omp_context caller.
2471 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2472 Adjust gimplify_scan_omp_clauses callers.
2473 (omp_is_private): Issue errors if iteration variable is firstprivate
2474 or reduction in the current context.
2475 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2476 on combined parallel workshare constructs.
2478 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2480 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2481 (gcc-options.o): New rule.
2483 * optc-gen.awk: Protect variables for gcc-options.o with
2484 #ifdef GCC_DRIVER/#endif.
2486 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2488 Fix PR tree-optimization/27373
2489 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2490 (forward_propagate_addr_expr): Update call.
2492 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2494 * doc/options.texi: Move the Negative option.
2496 2006-05-16 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/22303
2499 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2501 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2502 ccp_fold did not simplify the statement.
2504 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2507 * Makefile.in (GCC_OBJS): New.
2508 (OBJS-common): Add opts-common.o.
2509 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2510 (cpp$(exeext)): Likewise.
2511 (gcc.o): Also depend on opts.h.
2512 (opts-common.o): New.
2514 * common.opt (gcoff): Add Negative(gdwarf-2).
2515 (gdwarf-2): Add Negative(gstabs).
2516 (gstabs): Add Negative(gstabs+).
2517 (gstabs+): Add Negative(gvms).
2518 (gvms): Add Negative(gxcoff).
2519 (gxcoff): Add Negative(gxcoff+).
2520 (gxcoff+): Add Negative(gcoff).
2521 * config/i386/i386.opt (m32): Add Negative(m64).
2522 (m64): Add Negative(m32).
2524 * doc/options.texi: Document the Negative option.
2526 * gcc.c: Include "opts.h".
2527 (main): Call prune_options after expandargv.
2529 * optc-gen.awk: Generate common declarations for all flag
2530 variables in options.c. Output the neg_index field.
2532 * opts.c (find_opt): Moved to ...
2533 * opts-common.c: Here. New file.
2535 * opts.h (cl_option): Add a neg_index field.
2537 (prune_options): Likewise.
2539 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2542 * omp-low.c (expand_omp_parallel): Don't assert
2543 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2544 instead search for it.
2547 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2550 2006-05-16 Andreas Schwab <schwab@suse.de>
2552 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2555 2006-05-15 Roger Sayle <roger@eyesopen.com>
2558 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2559 integer constants other than zero are only legitimate on TARGET_64BIT.
2560 <CONST_VECTOR> Only zero vectors are legitimate.
2561 (ix86_cannot_force_const_mem): Integral and vector constants can
2562 always be put in the constant pool.
2564 2006-05-16 DJ Delorie <dj@redhat.com>
2566 * crtstuff.c (__dso_handle): Set section from
2567 TARGET_LBIGCC_SDATA_SECTION if defined.
2568 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2569 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2571 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2574 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2577 2006-05-16 Ben Elliston <bje@au.ibm.com>
2579 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2581 2006-05-15 Per Bothner <per@bothner.com>
2583 * tree.c: (last_annotated_node): Use source_locus typedef.
2584 This permits bootstrapping with --enable-mapped-location.
2586 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2588 PR tree-optimization/26830
2589 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2590 (info_for_ssa_name, current_info_for_ssa_name_age,
2591 blocks_to_update): New variables.
2592 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2593 (clear_ssa_name_info, initialize_flags_in_bb,
2594 mark_block_for_update): New functions.
2595 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2596 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2597 prepare_def_site_for): Use mark_block_for_update.
2598 (mark_def_interesting): Assert that the processed block is marked in
2599 blocks_to_update. Do not take blocks argument.
2600 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2602 (rewrite_update_init_block, rewrite_update_stmt): Only process
2603 blocks with statements to rewrite.
2604 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2605 (update_ssa): Initialize and free blocks_to_update. Do not
2606 clear flags on statements. Do not use blocks bitmap.
2607 * tree.h (SSA_NAME_AUX): Removed.
2608 (struct tree_ssa_name): Removed aux field.
2609 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2611 2006-05-15 Richard Guenther <rguenther@suse.de>
2613 PR tree-optimization/27603
2614 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2615 Do computations in original type.
2617 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2619 * see.c: Code style changes such as redundant paranthesis,
2620 redundant intialization of local variables etc.
2621 (see_main): Declared now as static.
2622 * doc/invoke.texi: Update that -fsee is not enabled by
2625 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2627 * omp-low.c (check_omp_nesting_restrictions): New function.
2628 (scan_omp_1): Call it.
2631 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2632 construct, return *VAR.
2634 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2636 PR rtl-optimization/27406
2637 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2640 2006-05-14 Roger Sayle <roger@eyesopen.com>
2642 PR rtl-optimization/27538
2643 * combine.c (expand_compound_operation): Call gen_lowpart
2644 before calling simplify_shift_const.
2646 2006-05-14 Roger Sayle <roger@eyesopen.com>
2648 PR rtl-optimization/22563
2649 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2650 a fixed width bitfield, always force the intermediates into psuedos.
2652 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2655 * mkconfig.sh: Use operator = instead of == for test.
2657 2006-05-13 Nick Clifton <nickc@redhat.com>
2659 * dwarf2out.c (dbx_reg_number): Check return value from
2660 LEAF_REG_REMAP and only use it if it is valid.
2661 (multiple_reg_loc_descriptor): Likewise.
2663 2006-05-13 Richard Guenther <rguenther@suse.de>
2665 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2668 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2670 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2671 information attached to non-INSNs such as NOTEs.
2672 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2674 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2676 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2678 * config/s390/s390.md: Adjust comment describing On constraint.
2680 2006-05-11 Jan Hubicka <jh@suse.cz>
2682 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2683 to be output at -O0.
2685 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2688 * fold-const.c (size_binop): Move sanity check for arguments to
2689 the beginning of the function.
2692 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2695 2006-05-11 Richard Guenther <rguenther@suse.de>
2698 * fold-const.c (fold_unary): Handle intermediate conversion
2699 to a pointer type like intermediate conversion to an integer
2700 type in folding of (T1)(T2)var to var.
2701 Match the code to the comment in the final conversion for
2702 (T1)(T2)var to (T1)var regarding to type precision. Rather
2703 than disallow T1 being of pointer type, assert that both T1
2704 and var are of pointer type or not. Make sure not to fall
2705 over the frontends lazyness wrt array to pointer decay though.
2707 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2709 * arm.c (arm_struct_value_rtx): Delete.
2710 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2711 (arm_init_cumulative_args): Always initialize nregs to zero.
2713 2006-05-10 Richard Guenther <rguenther@suse.de>
2715 PR tree-optimization/27532
2716 * tree-object-size.c (plus_expr_object_size): Fix typo.
2718 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2721 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2722 ashrdi_const, ashrdi3): Use a scratch register.
2724 2006-05-10 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/27302
2727 * fold-const.c (operand_equal_p): For two comparisons,
2728 try comparison of one comparison code swapped if that yields
2731 2006-05-10 Ben Elliston <bje@au.ibm.com>
2733 * tree-pretty-print.c (pretty_print_string): No need to handle
2734 '\0' as a special character.
2736 * tree.h: Include "hashtab.h".
2737 (iterative_hash_expr): Use hashval_t in its prototype.
2738 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2740 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2743 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2744 (hppa*64*-*-hpux11*): Ditto.
2745 (hppa[12]*-*-hpux11*): Ditto.
2747 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2750 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2752 2006-05-09 Michael Matz <matz@suse.de>
2754 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2755 host_extra_gcc_objs and host_xmake_file.
2756 (<*-*-linux*>): Don't overwrite host_xmake_file.
2757 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2758 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2759 (host_detect_local_cpu): Declare.
2760 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2761 * config/i386/i386.c (override_options): Handle -mtune=native
2763 * config/i386/x-i386: New file.
2764 * config/i386/driver-i386.c: New file.
2765 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2768 2006-05-09 Dirk Mueller <dmueller@suse.de>
2769 Richard Guenther <rguenther@suse.de>
2772 * fold-const.c (fold_read_from_constant_string): Relax check
2773 for matching types to matching modes.
2775 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2777 PR rtl-optimization/27335
2778 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2781 2006-05-08 Chao-ying Fu <fu@mips.com>
2782 Richard Sandiford <richard@codesourcery.com>
2784 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2785 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2786 * config/mips/mips.md (UNSPEC_SCC): New constant.
2787 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2788 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2789 (mips_emit_compare): Use it.
2790 (mips_expand_vcondv2sf): New function.
2792 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2794 Fix PR tree-optimization/27093
2795 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2796 renaming when they become not-used_alone.
2798 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2800 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2801 relocation and relocation stubs.
2803 2006-05-08 Eric Christopher <echristo@apple.com>
2805 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2808 2006-05-08 Jan Hubicka <jh@suse.cz>
2811 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2812 unused static functions are needed.
2814 2006-05-08 Roger Sayle <roger@eyesopen.com>
2817 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2818 of a reg_equiv_constant if the result is a legitimate constant.
2820 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2823 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2824 standard 80387 constants, raise the cost to prevent
2825 compress_float_constant() to generate load from memory.
2827 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2829 * config/arm/constraints.md (c): Fix a typo.
2831 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2834 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2837 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2839 (_mm_mwait): Likewise.
2841 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2843 (sse3_monitor): Make it 32bit only.
2844 (sse3_monitor64): New. 64bit monitor.
2846 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2849 * config/i386/i386.c (classify_argument): Skip fields with invalid
2852 2006-05-07 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/27409
2855 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2856 Do not try to find zero-sized subvars.
2858 2006-05-07 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/27136
2861 * tree-ssa-loop-niter.c (get_val_for): Correct function
2862 comment, assert requirements.
2863 (loop_niter_by_eval): Stop processing if the iterated
2864 value did not simplify.
2866 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2868 * opts.c (flag_see): remove its setting at -O3.
2870 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2872 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2873 * arm/constraints.md: New file.
2874 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2875 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2876 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2877 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2878 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2879 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2880 * arm.md: Include constraints.md.
2881 (thumb_movsi_insn): Use satisfies_constraint_J.
2882 (movhi, movqi): Use satisfies_constraint_I.
2884 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2886 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2887 for atmeg a645 device.
2889 2006-05-06 Richard Guenther <rguenther@suse.de>
2891 PR tree-optimization/27151
2892 * tree-vect-transform.c (vectorizable_condition): Punt on
2893 values that have a different type than the condition.
2895 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2898 * c-parser.c (c_parser_cast_expression): Only insert casts into
2899 hash table if pointer.
2900 * function.c (used_types_insert_helper): Rename from
2902 (used_types_insert): Call used_types_insert_helper.
2903 * function.h (used_types_insert): Accept only one argument.
2905 2006-05-05 David Edelsohn <edesohn@gnu.org>
2907 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2908 scratch with output modifier.
2910 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2913 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2914 with output modifier.
2916 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2919 * config/mips/mips.c (mips_symbolic_address_p): Return true
2920 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2921 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2923 2006-05-04 Richard Guenther <rguenther@suse.de>
2925 PR tree-optimization/14287
2926 PR tree-optimization/14844
2927 PR tree-optimization/19792
2928 PR tree-optimization/21608
2929 PR tree-optimization/27090
2930 * tree-ssa-pre.c (try_combine_conversion): New function.
2931 (compute_avail): After constructing the value-handle
2932 expression, use try_combine_conversion to combine NOP_EXPRs
2933 with previous value-handle expressions and use the result if it
2936 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2938 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2940 2006-05-04 Jan Hubicka <jh@suse.cz>
2943 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2945 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2947 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2948 that this only matches CONST_INTs. All users changed to VOIDmode
2951 * config/bfin/bfin.c: Include "optabs.h".
2952 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2954 (enum bfin_builtins): Add a number of fractional and vector builtins.
2955 (bfin_init_builtins): Likewise.
2956 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2957 (safe_vector_operand, bfin_expand_binop_builtin,
2958 bfin_expand_unop_builtin): New functions.
2959 (bfin_expand_builtin): Handle the new builtins.
2960 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2963 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2966 * Makefile.in (OBJS-common): Add see.o.
2967 (see.o): Add dependencies.
2968 * common.opt (fsee): New flag for the see optimization was added.
2969 * opts.c (flag_see): Initialized.
2970 * passes.c (init_optimization_passes, pass_see): New pass.
2971 * rtl.h (see_main): Declaration as extern.
2972 * timevar.def (TV_SEE): New.
2973 * tree-pass.h (pass_see): Declaration as extern.
2974 * invoke.texi (-fsee): Document.
2975 * recog.c (validate_simplify_insn): New function.
2976 * recog.h (validate_simplify_insn): Declaration as extern.
2977 * df-problems.c (df_chain_dump): Check for NULL.
2979 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2980 Daniel Berlin <dberlin@dberlin.org>
2982 * cfgrtl.c (insert_insn_bb_end_new): New function.
2983 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2985 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2987 * df.h (struct web_entry): Moved from web.c.
2988 (union_defs): Declaration as extern.
2989 (unionfind_root): Likewise.
2990 (unionfind_union): Likewise.
2991 * web.c (struct web_entry): Moved to df.h.
2992 (unionfind_root): Remove static declaration.
2993 (unionfind_union): Likewise.
2994 (union_defs): Likewise and generalize to use callback function.
2995 (web_main): Update arguments for union_defs function call.
2997 2006-05-04 Richard Guenther <rguenther@suse.de>
2999 PR tree-optimization/26447
3000 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3001 produce SSA_NAME copies before the store stmt to avoid
3002 breaking exception handling.
3004 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3007 * gimplify.c (omp_is_private): If var is shared in some outer context,
3008 return false instead of true. Stop searching on parallel context
3011 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3014 * coverage.c: Use get_gcov_unsigned_t() instead of
3015 unsigned_type_node all over.
3017 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3019 PR tree-optimization/27381
3020 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3021 maintain the same immediate_use links.
3022 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3023 node rather than segfaulting.
3025 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3028 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3029 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3030 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3032 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3034 Fix PR tree-optimization/26626
3035 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3037 * tree-ssa-operands.c (access_can_touch_variable): Allow
3038 typecasting through union pointers.
3040 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3043 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3044 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3045 to find if var will be a global variable even in the nested context.
3046 (omp_copy_decl): Only check for global variable at the end, it might
3047 be overridden in outer contexts.
3048 (scan_sharing_clauses): For global variables don't create a field.
3049 (lower_rec_input_clauses): Do nothing for global shared variables.
3050 Emit a barrier at the end of ILIST if there were any decls in both
3051 firstprivate and lastprivate clauses.
3052 (lower_send_clauses): Do nothing for global variables except for
3055 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3057 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3058 of the correct signedness is returned.
3060 2006-05-02 Jeff Law <law@redhat.com>
3062 PR tree-optimization/27364
3063 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3064 multiply expressions.
3066 2006-05-02 Tom Tromey <tromey@redhat.com>
3068 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3070 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3073 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3074 -mthumb -fPIC are used.
3076 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3077 Joshua Kinard <kumba@gentoo.org>
3080 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3081 with 64-bit pointers.
3083 2006-05-02 Paul Brook <paul@codesourcery.com>
3085 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3087 (create_fix_barrier): Check that a suitable barrier location is
3089 (arm_reorg): Include ftmp->address in allowable range of addresses.
3091 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3094 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3097 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3100 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3101 around RESULT_DECL for result passed by reference.
3102 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3103 * omp-low.c (use_pointer_for_field): Don't look at
3104 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3105 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3106 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3107 time or var for passing by reference for
3108 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3109 TREE_ADDRESSABLE variables when passing by reference.
3111 * omp-low.c (dump_omp_region): Fix output formatting.
3114 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3115 (expand_omp_parallel): Likewise.
3116 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3119 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3120 on statement list containing also constructors and destructors.
3121 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3124 * except.c (duplicate_eh_regions): Fix clearing of
3125 cfun->eh->region_array entries.
3127 2006-05-01 DJ Delorie <dj@redhat.com>
3129 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3131 (gcc_cv_objdump): Likewise.
3132 * configure: Regenerated.
3134 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3137 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3138 templates for case 3 and 4.
3140 2006-05-01 DJ Delorie <dj@redhat.com>
3142 * vec.c: Include bconfig.h when appropriate.
3143 * Makefile.in (build/vec.o): Adjust dependencies.
3144 * mkconfig.sh: Make sure config.h isn't used for build machine
3147 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3149 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3151 (mark_phi_for_rewrite): New function.
3152 (insert_phi_nodes_for, mark_use_interesting): Call
3153 mark_phi_for_rewrite.
3154 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3155 (update_ssa): Initialize and free phis_to_rewrite.
3157 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3159 PR rtl-optimization/27291
3160 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3161 folded to a constant.
3163 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3165 PR tree-optimization/27283
3166 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3167 not whole # of iteration descriptions.
3168 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3169 uses abnormal ssa name.
3170 (niter_for_single_dom_exit): Ditto.
3171 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3172 return just the number of iterations.
3174 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3176 PR tree-optimization/27144
3177 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3178 (record_estimate): Only record constant upper bound.
3179 (infer_loop_bounds_from_undefined): Call
3180 compute_estimated_nb_iterations just once.
3181 (proved_non_wrapping_p): Renamed to ...
3182 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3183 (convert_step_widening, scev_probably_wraps_p): Call
3184 n_of_executions_at_most instead of proved_non_wrapping_p.
3185 (substitute_in_loop_info): Do not replace values in bounds.
3186 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3189 2006-05-01 Richard Henderson <rth@redhat.com>
3192 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3193 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3196 2006-05-01 Roger Sayle <roger@eyesopen.com>
3198 * c-typeck.c (parser_build_binary_op): Don't call the function
3199 unsigned_conversion_warning to spot operand/result type overflow.
3200 (build_binary_op): Instead, call convert_and_check instead of
3201 convert to report the problem when the operands are promoted.
3202 * c-common.c (unsigned_conversion_warning): Make static.
3203 * c-common.h (unsigned_conversion_warning): Delete prototype.
3205 2006-05-01 Richard Guenther <rguenther@suse.de>
3207 PR tree-optimization/26726
3208 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3210 (find_interesting_uses_address): ... we work around here
3211 by folding INDIRECT_REFs in the substituted base.
3213 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3215 * omp-low.c (dump_omp_region): Add newlines.
3217 2006-04-30 Roger Sayle <roger@eyesopen.com>
3219 * common.opt (Woverflow): New command line option.
3220 * c-common.c (constant_expression_warning): Check warn_overflow.
3221 (overflow_waring): Pass OPT_Woverflow to warning.
3222 (unsigned_conversion_warning): Likewise.
3223 (convert_and_check): Likewise.
3224 * doc/invoke.texi: Document new command line option.
3226 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3228 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3229 TARGET_NO_FP_IN_TOC for section anchors.
3230 (optimization_options): Enable section anchors for all
3231 non-"Objective" languages.
3233 2006-04-28 Eric Christopher <echristo@apple.com>
3235 * config/darwin-c.c (darwin_ms_struct): Move this
3236 (darwin_set_default_type_attributes): and this...
3237 * config/darwin.c: ... here.
3238 * config/darwin.h (darwin_ms_struct): Declare.
3240 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3242 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3244 2006-04-28 Roger Sayle <roger@eyesopen.com>
3247 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3248 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3249 an unsigned HOST_WIDE_INT.
3250 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3252 (really_start_incremental_init): No need to call convert because
3253 bitsize_zero_node is already of type bitsizetype.
3254 (push_init_level): Extract the value of constructor_index as an
3255 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3256 (process_init_element): Likewise.
3258 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3260 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3261 value before passing to make_relative_prefix.
3263 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3266 * builtins.c (expand_builtin_memset): Expand val in original mode.
3268 2006-04-27 Eric Christopher <echristo@apple.com>
3270 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3271 with #ifndef/#endif.
3272 * config/darwin-c.c (darwin_ms_struct): New.
3273 (darwin_pragma_ms_struct): Ditto.
3274 (darwin_set_default_type_attributes): Ditto.
3275 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3276 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3277 Register ms_struct pragma.
3278 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3279 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3280 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3281 darwin_set_default_type_attributes if TARGET_MACHO.
3283 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3285 PR tree-optimization/26854
3286 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3287 * doc/tree-ssa.texi: Update immuse iterator documentation.
3288 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3289 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3290 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3291 first_safe_imm_use, next_safe_imm_use): Remove.
3292 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3293 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3294 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3295 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3296 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3297 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3298 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3299 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3300 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3301 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3302 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3303 (perfect_nestify): Use new iterator.
3304 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3306 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3307 (next_imm_name): New field in struct immediate_use_iterator_d.
3308 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3309 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3310 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3311 * tree-cfg.c (replace_uses_by): Use new iterator.
3312 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3313 * tree-ssa-operands.c (correct_use_link): Remove.
3314 (finalize_ssa_use_ops): No longer call correct_use_link.
3316 2006-04-27 Stuart Hastings <stuart@apple.com>
3318 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3319 * config/t-darwin (crt3.o): Use it.
3320 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3321 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3322 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3323 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3324 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3327 2006-04-27 Roger Sayle <roger@eyesopen.com>
3329 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3330 size, force the intermediate into a new pseudo rather instead of
3331 performing both a bitwise AND and a bitwise IOR in memory.
3333 2006-04-27 Richard Guenther <rguenther@suse.de>
3335 PR rtl-optimization/26685
3336 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3337 this one "max-flow-memory-locations".
3339 2006-04-27 Richard Guenther <rguenther@suse.de>
3341 PR tree-optimization/25148
3342 * tree-vrp.c (compare_values): Remove code dealing with
3343 comparisons against type min/max value. Honour overflow
3344 and negative constants in code dealing with comparisons
3345 of plus and minus expressions.
3346 (value_inside_range): Use fold_binary with LE_EXPR and
3347 GE_EXPR rather than compare_values.
3349 2006-04-27 Dirk Mueller <dmueller@suse.de>
3351 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3354 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3356 * basic-block.h (safe_insert_insn_on_edge): Removed.
3357 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3359 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3360 Paolo Bonzini <bonzini@gnu.org>
3363 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3364 (simplify_and_const_int): Same.
3366 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3368 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3370 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3373 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3374 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3375 cgraph_global_info_ready.
3378 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3381 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3382 either decl or init is error_mark_node.
3385 * tree-flow.h (struct omp_region): Add sched_kind.
3386 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3387 instead of extracting omp for data.
3388 (expand_omp_for): Save extracted sched_kind.
3390 2006-04-25 Roger Sayle <roger@eyesopen.com>
3392 * expmed.c (store_bit_field): Also check whether the bitsize is
3393 valid for the machine's "insv" instruction before moving the
3394 target into a pseudo for use with the insv.
3395 * config/i386/predicates.md (const8_operand): New predicate.
3396 * config/i386/i386.md (extv, extzv, insv): Use the new
3397 const8_operand predicate where appropriate.
3399 2006-04-25 DJ Delorie <dj@redhat.com>
3401 * doc/install.texi (Specific): Clarify that this is not a list of
3402 supported hosts or targets.
3404 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3406 PR rtl-optimization/26725
3407 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3408 block's BB_DIRTY flag.
3410 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3412 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3415 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3416 to print an integer.
3418 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3420 * varasm.c (align_variable): New function.
3421 (get_block_for_decl): Apply align_variable to DECL before
3422 calculating section information.
3423 (assemble_variable): Split out alignment computation.
3425 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3427 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3430 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3432 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3433 MODE_PARTIAL_INT mode.
3434 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3435 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3437 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3438 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3440 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3442 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3444 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3445 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3446 MACFLAG_IH): Likewise.
3447 (movstricthi_1): Renamed from "*movstricthi".
3448 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3449 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3450 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3451 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3452 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3453 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3454 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3455 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3456 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3457 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3458 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3459 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3460 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3461 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3462 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3464 * doc/rtl.texi (ss_ashift): Improve wording.
3466 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3468 * dwarf2out.c (verify_marks_clear): New.
3469 (prune_unused_types): Call verify_marks_clear initially, not
3472 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3474 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3475 * doc/rtl.texi: Document them.
3476 * simplify-rtx.c (simplify_unary_operation,
3477 simplify_binary_operation_1): Don't abort when we see them.
3479 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3482 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3483 * configure.ac: Completely disregard languages that are not
3485 * configure: Regenerated.
3487 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3488 Richard Guenther <rguenther@suse.de>
3490 PR tree-optimization/27236
3491 * tree-inline.c (copy_body_r): Make sure to copy
3492 TREE_THIS_VOLATILE flag.
3494 2006-04-24 Richard Guenther <rguenther@suse.de>
3497 * tree-complex.c (update_parameter_components): Don't handle
3498 unused parameters which have no default def.
3500 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3501 Richard Guenther <rguenther@suse.de>
3503 PR tree-optimization/27218
3504 * tree-inline.c (expand_call_inline): Strip useless type
3505 conversions for the return slot address.
3507 2006-04-24 Richard Guenther <rguenther@suse.de>
3509 * cfgloop.h (struct loops): Remove unused field array. Reorder
3511 (LOOP_PREFETCH): Remove.
3513 2006-04-24 Richard Guenther <rguenther@suse.de>
3515 PR tree-optimization/22525
3516 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3517 variable, adjust types of generated expressions.
3519 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3521 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3522 (tree-vect-patterns.o): Likewise.
3524 (cselib.o): Likewise.
3525 (loop-doloop.o): Likewise.
3526 (regclass.o): Likewise.
3527 (reload1.o): Likewise.
3528 (explow.o): Replace target.h with $(TARGET_H).
3529 (ipa-prop.o): Likewise.
3530 (ipa-cp.o): Likewise.
3531 (ipa-inline.o): Likewise.
3532 (reorg.o): Likewise.
3533 (reg-stack.o): Likewise.
3535 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3537 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3539 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3541 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3543 * configure.ac: Completely disregard languages that are not
3545 * configure: Regenerated.
3548 * c-common.h (c_build_bitfield_integer_type): Declare.
3549 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3550 * c-common.c (c_build_bitfield_integer_type): ... here.
3552 2006-04-23 Roger Sayle <roger@eyesopen.com>
3555 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3556 a SImode SUBREG of a floating point register after no_new_pseudos.
3558 2006-04-23 Roger Sayle <roger@eyesopen.com>
3560 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3561 identify potentially eliminable registers to additionally catch
3562 VIRTUAL_INCOMING_ARGS_REGNUM.
3563 (addsi3): Update the conditions on when to use addsi_small_int.
3565 2006-04-23 Roger Sayle <roger@eyesopen.com>
3568 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3569 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3570 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3572 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3574 * fold-const.c (range_predecessor): Use operand_equal_p
3575 as the predicate for equality.
3576 (range_successor): Likewise.
3578 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3581 * config/soft-fp/op-common.h: Fix a typo.
3583 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3586 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3587 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3589 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3591 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3593 * doc/tm.texi: Fix a typo.
3595 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3597 * dwarf2out.c (struct die_struct): Document that die_sib makes
3598 a circular linked list.
3599 (FOR_EACH_CHILD): New.
3600 (reverse_die_lists): Delete.
3601 (reverse_all_dies): Delete.
3602 (add_dwarf_attr): Correct documentation.
3603 (remove_child_with_prev): New.
3604 (remove_child_TAG): Update for change to die_struct, use
3605 remove_child_with_prev.
3606 (add_child_die): Update for change to die_struct.
3607 (splice_child_die): Use remove_child_with_prev and add_child_die.
3608 (print_die): Use FOR_EACH_CHILD.
3609 (die_checksum): Likewise.
3610 (assign_symbol_names): Likewise.
3611 (output_location_lists): Likewise.
3612 (build_abbrev_table): Likewise.
3613 (calc_die_sizes): Likewise.
3614 (mark_dies): Likewise.
3615 (unmark_dies): Likewise.
3616 (unmark_all_dies): Likewise.
3617 (output_die): Likewise.
3618 (prune_unused_types_mark): Likewise.
3619 (prune_unused_types_walk): Likewise.
3620 (same_die_p): Update for change to die_struct.
3621 (break_out_includes): Likewise.
3622 (prune_unused_types_prune): Likewise.
3623 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3624 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3626 (dwarf2out_finish): Don't call reverse_all_dies.
3628 2006-04-21 Eric Christopher <echristo@apple.com>
3630 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3631 in comments and function names.
3633 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3636 * c-typeck.c (digest_init): Robustify.
3638 * c-typeck.c (pop_init_level): Simplify.
3640 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3642 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3644 2006-04-21 Paul Brook <paul@codesourcery.com>
3646 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3647 hardware floating point.
3649 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3651 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3654 2006-04-21 Nick Clifton <nickc@redhat.com>
3656 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3659 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3662 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3663 C++ lang type in traceback table for Objective-C++.
3665 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3667 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3669 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3671 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3674 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3675 were errors. Remove check for erroneous objects.
3677 2006-04-20 Jeff Law <law@redhat.com>
3679 PR tree-optimization/26854
3680 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3681 checking for zero or one use.
3682 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3683 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3684 * tree-ssa-reassoc.c (negate_value): Similarly.
3685 (reassociate_bb): Similarly.
3687 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3689 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3690 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3691 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3693 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3695 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3696 fp regs if the last fp arg doesn't fit in regs.
3698 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3701 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3702 that the last insn has the REG_INC note.
3704 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3705 Nathan Sidwell <nathan@codesourcery.com>
3708 * stor-layout.c (update_alignment_for_field): Do not align
3710 (place_union_field): Place union field at the start of the union.
3711 (place_field): Move ERROR_MARK check later, and use the current
3712 allocation position to maintain monotonicity.
3714 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3716 * dominance.c: Include timevar.h.
3717 (calculate_dominance_info): Use TV_DOMINANCE.
3718 * timevar.def (TV_DOMINANCE): New timevar.
3719 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3721 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3723 PR rtl-optimization/14261
3724 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3725 move would be an INSV insn.
3726 (noce_process_if_block): Don't optimize if the destination is a
3727 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3729 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3731 * config/s390/s390.md: Add comments with the instructions emitted
3732 by an insn pattern if macros are used.
3734 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3736 PR rtl-optimization/26026
3737 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3738 is a known power of two shifted left a variable amount.
3740 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3742 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3743 to hash table twice when the debug_str section has SECTION_MERGE.
3745 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3747 * config/soft-fp: New directory. From glibc.
3748 * config/soft-fp/t-softfp: New.
3749 * config/soft-fp/README: New.
3750 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3751 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3752 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3753 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3754 * config.gcc: Use rs6000/t-fprules-fpbit or
3755 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3757 * config/rs6000/sfp-machine.h: New. Based on glibc.
3758 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3760 * config/rs6000/t-fprules: Remove fp-bit rules.
3761 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3762 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3763 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3764 (softfp_wrap_start, softfp_wrap_end): New.
3766 2006-04-18 DJ Delorie <dj@redhat.com>
3768 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3770 2006-04-18 Devang Patel <dpatel@apple.com>
3772 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3774 2006-04-18 Nick Clifton <nickc@redhat.com>
3776 * config/sh/t-symbian: Add rule to build sh-c.o
3777 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3778 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3779 (sh_symbian_encode_section_info): Likewise.
3781 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3783 * builtins.c (expand_builtin_strcmp): Cover label definition of
3784 do_libcall with HAVE_cmpstrnsi.
3786 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3788 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3790 * function.h (temp_slot_p): New.
3791 (function): Change the type of x_used_temp_slots to
3792 VEC(temp_slot_p,gc) *.
3794 2006-04-18 Nick Clifton <nickc@redhat.com>
3796 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3797 flag_strength_reduce.
3799 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3801 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3805 Partial revert of revision 112637
3806 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3807 Dale Johannesen <dalej@apple.com>
3810 * regclass.c (struct reg_pref): Update documentation.
3811 (regclass): Set prefclass to NO_REGS if memory is the best option.
3812 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3814 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3816 PR tree-optimization/26821
3817 * tree-ssa-math-opts.c (get_constant_one): New.
3818 (insert_reciprocals): Use it.
3820 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3822 * dwarf2out.c (free_AT): Delete.
3823 (remove_AT): Update string ref counts.
3824 (remove_child_TAG): Don't call free_die.
3826 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3827 or DW_TAG_GNU_EINCL.
3828 (prune_unused_types_walk_attribs): Reset string refcounts.
3829 (prune_unused_types_update_strings): New.
3830 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3831 call free_die. Do call prune_unused_types_update_strings.
3832 (prune_unused_types): Empty debug_str_hash.
3834 2006-04-17 Roger Sayle <roger@eyesopen.com>
3836 * expr.c (expand_assignment): Optimize away no-op moves where the
3837 source and destination are equal and have no side-effects.
3839 2006-04-17 Richard Guenther <rguenther@suse.de>
3842 * reload.c (push_reload): Guard calls to get_secondary_mem
3845 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3847 * alias.c (reg_base_value, old_reg_base_value): Change the
3848 type to VEC(rtx,gc) *.
3849 (REG_BASE_VALUE, find_base_value, record_set,
3850 init_alias_analysis): Use VEC instead of VARRAY.
3852 * alias.c (alias_sets): Change the type to
3853 VEC(alias_set_entry,gc) *.
3854 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3855 VEC instead of VARRAY.
3856 (last_alias_set): Remove.
3858 * cgraph.h (cgraph_edge_p): New.
3859 Update the prototype of cgraph_function_versioning.
3860 * cgraphunit.c (cgraph_copy_node_for_versioning,
3861 cgraph_function_versioning): Use VEC instead of VARRAY.
3862 * ipa-cp.c (ipcp_insert_stage): Likewise.
3864 2006-04-16 Roger Sayle <roger@eyesopen.com>
3867 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3868 "A op B" or "A op C", we may need to convert A to the type of B and C.
3870 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3872 * target.h (struct gcc_target): Add mode_rep_extended.
3873 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3874 (init_num_sign_bit_copies_in_rep): Initialize it using
3876 (truncate_to_mode): Use it.
3877 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3878 * targhooks.h (default_mode_rep_extended): Declare it.
3879 * targhooks.c (default_mode_rep_extended): Define it.
3880 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3881 default_mode_rep_extended.
3882 (TARGET_INITIALIZER): Include it.
3883 * doc/tm.texi (Misc): Document it.
3884 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3885 (mips_truncated_to_mode): New function.
3887 2006-04-16 Roger Sayle <roger@eyesopen.com>
3890 * expr.c (compress_float_constant): Copy the narrow constant into
3891 a new pseudo before extending it to its final width.
3893 2006-04-16 Roger Sayle <roger@eyesopen.com>
3894 Andrew Pinski <pinskia@gcc.gnu.org>
3895 Dale Johannesen <dalej@apple.com>
3898 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3899 special case code to implement V8HImode and V16QImode with SSE2.
3901 2006-04-15 Roger Sayle <roger@eyesopen.com>
3903 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3904 trees are constructed with a suitable tree type.
3906 2006-04-15 Roger Sayle <roger@eyesopen.com>
3908 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3909 (integer_onep): Likewise.
3910 (integer_all_onesp): Likewise.
3911 (integer_pow2p): Likewise.
3912 (integer_nonzerop): Likewise.
3913 (real_zerop): Likewise.
3914 (real_onep): Likewise.
3915 (real_twop): Likewise.
3916 (real_minus_onep): Likewise.
3917 (int_size_in_bytes): Likewise.
3918 (host_integerp): Likewise.
3920 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3922 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3923 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3924 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3926 * tree-ssa-structalias.h (alias_info): Remove num_references.
3928 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3930 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3931 (output_bvb patterns): Likewise.
3932 * pa.c (output_bb): Use 'bb' insn for long branch case.
3933 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3934 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3935 1. Correct length operand for alternatives 1 and 2.
3936 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3937 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3939 2006-04-14 Roger Sayle <roger@eyesopen.com>
3941 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3942 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3943 were accidentally reverted by r112959.
3945 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3948 * except.h (eh_region_outermost): New prototype.
3949 * except.c (eh_region_outermost): New function.
3950 * tree-cfg.c (find_outermost_region_in_block): Use it.
3952 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3954 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3956 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3957 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3958 (init_reload, reload): Use VEC instead of VARRAY.
3959 * reload.h: Update the prototype for
3960 reg_equiv_memory_loc_varray.
3962 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3963 Eric Botcazou <ebotcazou@libertysurf.fr>
3965 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3968 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3971 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3972 to expand fallback builtin function call.
3974 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3977 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3978 and emit libcall here in case the builtin fails.
3979 (expand_builtin_strcmp): Always emit the libcall here on failure.
3981 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3983 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3984 * flow.c (reg_n_info): Change the type to
3985 VEC(reg_info_p,heap) *.
3986 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3988 * regs.h (reg_info_p): New.
3989 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3990 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3991 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3994 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3996 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3998 * params.h (MAX_SCHED_READY_INSNS): New macro.
3999 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4000 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4001 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4002 the ready list for 1 cycle during the first scheduling pass.
4003 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4005 2006-04-13 Richard Henderson <rth@redhat.com>
4008 * gimple-low.c (lower_omp_directive): Remove dead code.
4009 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4010 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4011 * omp-low.c (struct omp_region): Move to tree-flow.h.
4012 (root_omp_region): Export.
4013 (omp_regions, lookup_omp_region): Remove.
4014 (determine_parallel_type): Update for struct omp_region changes.
4015 (dump_omp_region): Dump regions with block numbers.
4016 (new_omp_region): Take type and block instead of stmt; malloc
4018 (free_omp_region_1, free_omp_regions): New.
4019 (expand_parallel_call): Take entry_stmt as argument; update for
4020 changes to omp_region.
4021 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4022 (remove_exit_barriers): New.
4023 (expand_omp_parallel): Update for struct omp_region changes.
4024 (expand_omp_synch): Likewise.
4025 (expand_omp): Likewise.
4026 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4027 (expand_omp_for_static_chunk): Likewise.
4028 (expand_omp_for): Likewise.
4029 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4030 (expand_omp_sections): Similarly, with GOMP_sections_end.
4031 (expand_omp_single): New.
4032 (build_omp_regions_1): Update for OMP_CONTINUE.
4033 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4034 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4035 OMP_SECTIONS_SECTIONS.
4036 (lower_omp_single_simple): Don't emit barrier here.
4037 (lower_omp_single_copy): Likewise.
4038 (lower_omp_single): Fix bindings, and lower to straightline now.
4039 (lower_omp_master, lower_omp_ordered): Likewise.
4040 (lower_omp_critical): Likewise.
4041 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4042 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4043 omp edges, free it afterward.
4044 (make_omp_sections_edges): Remove.
4045 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4046 (move_stmt_r): Handle OMP_CONTINUE.
4047 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4048 statement pointers to basic blocks. Add type member.
4049 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4050 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4051 * tree-inline.c (estimate_num_insns_1): Likewise.
4052 * tree-pretty-print.c (dump_generic_node): Likewise.
4053 * tree-ssa-operands.c (get_expr_operands): Likewise.
4054 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4055 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4056 (OMP_CONTINUE): New.
4057 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4058 (OMP_SECTIONS_SECTIONS): Remove.
4059 (OMP_SECTION_LAST): New.
4060 (OMP_RETURN_NOWAIT): New.
4062 2006-04-13 Roger Sayle <roger@eyesopen.com>
4064 * fold-const.c (native_encode_vector, native_interpret_real):
4065 Correct obvious mistakes in the previous check-in.
4067 2006-04-13 Roger Sayle <roger@eyesopen.com>
4069 * fold-const.c (native_encode_expr): New function to encode
4070 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4071 or VECTOR_CST into a specified buffer.
4072 (native_encode_int): New function.
4073 (native_encode_real): New function.
4074 (native_encode_complex): New function.
4075 (native_encode_vector): New function.
4076 (native_interpret_expr): Inverse of native_encode_expr to convert
4077 a target representation into an INTEGER_CST, REAL_CST etc...
4078 (native_interpret_int): New function.
4079 (native_interpret_real): New function.
4080 (native_interpret_complex): New function.
4081 (native_interpret_vector): New function.
4082 (fold_view_convert_expr): New function to constant fold/evaluate
4083 a VIEW_CONVERT_EXPR of a suitable constant expression.
4084 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4085 Change call of build1 to fold_build1 when constructing a
4088 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4089 Ulrich Weigand <uweigand@de.ibm.com>
4092 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4095 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4098 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4099 optimize to lo_sum for DFmode if !TARGET_FPRS.
4101 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4103 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4104 delete_alias_info, compute_flow_sensitive_aliasing,
4105 group_aliases): Use VEC instead of VARRAY.
4106 * tree-ssa-structalias.c (update_alias_info): Likewise.
4107 * tree-ssa-structalias.h (alias_info): Change the type of
4108 processed_ptrs to VEC(tree,heap) *.
4110 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4113 * config/sh/lib1funcs.h: New file, broken out of:
4114 * config/sh/lib1funcs.asm.
4115 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4117 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4118 * config/sh/lib1funcs-Os-4-200.asm: New file.
4119 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4120 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4121 (EXTRA_MULTILIB_PARTS): Include it.
4122 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4123 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4124 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4125 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4128 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4130 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4131 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4132 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4134 * tree-ssa-live.h: Include vecprim.h.
4135 (tree_partition_associator_d): Change the type of
4136 first_partition to VEC(int,heap) *.
4137 (tpa_first_partition): Use VEC instead of VARRAY.
4139 * Makefile.in (GTFILES): Move functions.h after tree.h.
4140 * function.c (reset_block_changes, record_block_change,
4141 check_block_change, free_block_changes): Use VEC instead of
4143 * function.h (function): Change the type of
4144 ib_boundaries_block to VEC(tree,gc) *.
4145 * tree-inline.c (copy_cfg_body): Initialize
4146 ib_boundaries_block to NULL instead of (varray_type) 0.
4148 2006-04-12 Roger Sayle <roger@eyesopen.com>
4150 * expr.c (emit_group_store): Correct operand order in call to
4151 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4152 a SUBREG_BYTE of zero.
4154 2006-04-12 Richard Guenther <rguenther@suse.de>
4156 * profile.c (compute_branch_probabilities): Remove code
4157 encapsulated in !ir_type (), which are remanents of the
4158 removed RTL profiling code.
4159 * rtl-profile.c: Remove.
4161 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4163 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4164 magic NULL_RTX comment.
4165 (function_arg): Store entire fp arg to mem if any part should go
4167 (rs6000_arg_partial_bytes): Adjust for above change.
4169 2006-04-11 Roger Sayle <roger@eyesopen.com>
4171 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4172 if it hasn't been initialized by dwarf2out_init.
4174 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4176 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4177 symbolic constants in branch patterns.
4179 2006-04-11 Roger Sayle <roger@eyesopen.com>
4181 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4183 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4185 PR rtl-optimization/27073
4186 * gcse.c (try_replace_reg): Revert last change. Continue to search
4187 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4190 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4192 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4193 aggregate types other than record and union types.
4194 (function_arg): Likewise.
4195 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4197 (function_value): In 64-bit mode, return objects that require it
4200 2006-04-11 Roger Sayle <roger@eyesopen.com>
4202 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4204 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4206 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4208 2006-04-03 Jeff Law <law@redhat.com>
4211 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4212 alias information too.
4214 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4216 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4218 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4221 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4222 (premark_used_types_helper): New.
4223 (premark_used_types): New.
4224 (gen_subprogram_die): Call premark_used_types.
4225 (prune_unused_types_walk): Do not prune perennial dies.
4226 * function.c (used_types_insert): New.
4227 * function.h (struct function): Add used_types_hash field.
4228 (used_types_insert): Add prototype.
4229 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4230 * c-parser.c (c_parser_cast_expression): Save casted types in used
4233 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4236 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4237 rs6000_explicit_options.float_gprs.
4239 2006-04-10 Roger Sayle <roger@eyesopen.com>
4241 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4242 from ix86_expand_vector_init_low_nonzero. Take an additional
4243 one_var argument indicating which element is non-zero. Support
4244 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4245 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4246 with one_var instead of ix86_expand_vector_init_low_nonzero.
4248 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4250 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4251 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4252 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4253 build/genextract.o): Depend on vecprim.h.
4254 * cfglayout.c, df-problems.c, function.c, genextract.c,
4255 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4256 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4260 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4262 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4263 Declare VECs of this type.
4264 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4265 (remove_children): Delete.
4266 (add_dwarf_attr): Use VEC routines.
4267 (add_AT_flag): Update for changes to add_dwarf_attr.
4268 (add_AT_int): Likewise.
4269 (add_AT_unsigned): Likewise.
4270 (add_AT_long_long): Likewise.
4271 (add_AT_vec): Likewise.
4272 (add_AT_string): Likewise.
4273 (add_AT_die_ref): Likewise.
4274 (add_AT_fde_ref): Likewise.
4275 (add_AT_loc): Likewise.
4276 (add_AT_loc_list): Likewise.
4277 (add_AT_addr): Likewise.
4278 (add_AT_lbl_id): Likewise.
4279 (add_AT_lineptr): Likewise.
4280 (add_AT_macptr): Likewise.
4281 (add_AT_offset): Likewise.
4282 (add_AT_range_list): Likewise.
4283 (get_AT): Use VEC_iterate.
4284 (remove_AT): Use VEC_ordered_remove.
4285 (free_die): Fold remove_children into here; have it use VEC_iterate.
4286 (print_die): Use VEC_iterate on attrs.
4287 (reverse_die_lists): Don't reverse attr lists.
4288 (die_checksum): Use VEC_iterate on attrs.
4289 (same_die_p): Likewise.
4290 (output_location_lists): Likewise.
4291 (build_abbrev_table): Likewise.
4292 (size_of_die): Likewise.
4293 (unmark_all_dies): Likewise.
4294 (output_abbrev_section): Likewise.
4295 (output_die): Likewise.
4296 (prune_unused_types_walk_attribs): Likewise.
4298 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4300 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4302 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4305 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4307 2006-04-09 Roger Sayle <roger@eyesopen.com>
4309 * expr.c (store_constructor): Don't bother clearing target if
4310 we're about to assign a vector to it using vec_init_optab.
4312 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4314 * tree-ssa-alias.c (lhs_may_store_to): New function.
4315 (recalculate_used_alone): Handle LHS of calls.
4317 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4321 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4322 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4323 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4324 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4325 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4326 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4327 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4328 stubs. Add ".align 8" directives before all ".dword" directives.
4329 (GTHREAD_USE_WEAK): Revise comment.
4330 (TARGET_ATTRIBUTE_WEAK): Define.
4331 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4332 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4333 * stublib.c: New file.
4338 * pa.md (cbranch patterns): Revise arguments used in calls to
4339 output_cbranch, output_bb and output_bvd. Add long branch length
4341 (fbranch patterns): Handle long branches.
4342 (jump): Revise length check. Revise arguments for output_lbranch call.
4343 Add long branch length attributes.
4344 (decrement_and_branch_until_zero): Add long branch length attributes.
4345 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4346 Likewise. Revise arguments for output_parallel_addb and
4347 output_parallel_movb calls.
4348 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4349 output_parallel_movb and output_parallel_addb): Update prototypes.
4350 * pa.c (output_cbranch): Revise arguments. Correct handling of
4351 nullification in long branches.
4352 (output_lbranch): Add new argument to control extraction of delay
4354 (output_bb): Handle long branches.
4355 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4356 output_parallel_addb): Likewise.
4358 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4360 PR rtl-optimization/27073
4361 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4364 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4366 * tree.h (tree_memory_tag): Add old_used_alone.
4367 (SMT_OLD_USED_ALONE): New macro.
4368 * tree-ssa-alias.c (recalculate_used_alone): Stop
4369 marking things for renaming unnecessarily.
4371 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4373 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4374 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4375 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4376 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4377 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4378 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4379 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4380 spelling convensions.
4381 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4382 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4383 typos. Follow spelling conventions.
4385 2006-04-07 DJ Delorie <dj@redhat.com>
4387 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4388 passed on the stack.
4389 (m32c_init_cumulative_args): When a function returns a structure,
4390 always pass the pointer to that return area on the stack.
4391 (m32c_function_arg_advance): Don't increment the parameter number
4392 if we're processing the returned structure pointer.
4393 (pushm_info): Reverse order of registers.
4395 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4397 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4398 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4399 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4400 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4402 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4403 chrec_fold_multiply): Same.
4404 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4405 force_expr_to_var_cost): Same.
4406 * tree-mudflap.c (mf_xform_derefs_1): Same.
4407 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4409 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4411 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4412 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4415 2006-04-07 Jan Hubicka <jh@suse.cz>
4417 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4419 2006-04-07 Richard Guenther <rguenther@suse.de>
4421 PR tree-optimization/26135
4422 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4423 loads for store copy-prop.
4424 (copy_prop_visit_stmt): Likewise.
4426 2006-04-05 Robert Millan <robertmh@gnu.org>
4428 * config/i386/linux.h: Add a comment to mark macros that are
4429 being overriden in config/k*bsd-gnu.h.
4430 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4432 * config/knetbsd-gnu.h: Ditto.
4434 2006-04-06 Jan Hubicka <jh@suse.cz>
4438 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4441 2006-04-06 Mike Stump <mrs@apple.com>
4443 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4444 for HAVE_nonlocal_goto to be consistent.
4445 (expand_builtin_nonlocal_goto): Likewise.
4446 (expand_builtin_strcmp): Use #ifdef instead of #if
4447 for HAVE_cmpstrnsi to be consistent.
4449 2006-04-05 DJ Delorie <dj@redhat.com>
4451 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4454 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4456 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4457 got-relative addressing for anything but SImode.
4459 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4460 even if the calling function doesn't modify them.
4462 2006-04-05 Richard Guenther <rguenther@suse.de>
4464 PR tree-optimization/26919
4465 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4466 to cgraph_estimate_size_after_inlining.
4468 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4470 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4472 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4474 PR tree-optimization/26996
4475 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4476 VECTOR_TYPE variables.
4478 2006-04-05 Richard Guenther <rguenther@suse.de>
4480 PR tree-optimization/26763
4481 * fold-const.c (fold_comparison): Move folding of
4482 PTR + CST CMP PTR + CST ...
4483 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4485 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4487 * doc/install.texi (Prerequisites): Refine some wording on
4488 bootstrapping and ksh.
4489 Move the version numbers of DejaGnu here from the testing section
4490 and fix casing of names.
4491 Fix markup and clarify wording for autogen requirements.
4492 Refer to GCJ instead of just java.
4493 Refer to SVN instead of CVS.
4494 Describe diffutils as useful instead of necessary.
4495 (Downloading the source): Refer to SVN instead of CVS.
4496 Adjust a link to our web site accordingly.
4497 (Configuration): Fix casing of Bison.
4498 (Building): Refer to SVN instead of CVS.
4499 Fix a sentence on the use of Bison and remove duplicate (and
4500 incorrect) version number of Bison requirement.
4501 Remove one redundant list of packages needed for building.
4502 (Specific): Avoid reference to CVS.
4504 2006-04-04 Eric Christopher <echristo@apple.com>
4506 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4507 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4508 (rs6000_handle_struct_attribute): New.
4509 (rs6000_ms_bitfield_layout_p): Ditto.
4511 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4513 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4514 NULL for dso parameter to atexit_common.
4516 2006-04-04 Eric Christopher <echristo@apple.com>
4518 * config/i386/i386.c (machopic_output_stub): Output \t
4519 between instructions and operands.
4521 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4523 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4524 satisfies_constraint_[IL] to explicit tests on value.
4526 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4528 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4529 set_nb_iterations_in_loop): Use build_int_cst instead of
4531 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4532 build_int_cst instead of convert.
4534 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4536 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4537 new value 2 for incoming.
4538 * function.c (expand_function_start): Call struct_value_rtx
4540 * config/sparc/sparc.md: Comment updated_return.
4541 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4542 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4543 struct return if sparc_std_struct_return and incoming is 2.
4544 (print_operand): Do not adjust return if
4545 sparc_std_struct_return.
4547 2006-04-04 Roger Sayle <roger@eyesopen.com>
4549 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4550 convert in the middle-end.
4551 * expr.c (store_expr, store_constructor, get_inner_reference,
4552 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4554 * tree.c (build_range_type): Likewise.
4556 2006-04-04 Tom Tromey <tromey@redhat.com>
4558 * doc/install.texi (Prerequisites): Mention jar.
4560 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4562 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4565 2006-04-04 Matthias Klose <doko@debian.org>
4567 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4568 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4571 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4573 * doc/extend.texi (Function Attributes): Rewrite visibility
4574 attribute documentation.
4575 * doc/invoke.texi (C++ Dialect Options): Rewrite
4576 -fvisibility-inlines-hidden documentation to describe something
4577 entirely different, although in practise compatible.
4578 (Code Gen Options): Warn about system headers in -fvisibility=
4581 * doc/extend.texi (Other Builtins): Document that
4582 __builtin_nan is a compile-time constant only when its argument
4585 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4587 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4588 trying to remove TRUNCATE check if all bits outside the new mode
4589 are identical to the sign bit.
4591 2006-04-03 Jeff Law <law@redhat.com>
4593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4594 and operand scanning in some common cases.
4596 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4597 Dale Johannesen <dalej@apple.com>
4600 * regclass.c (struct reg_pref): Update documentation.
4601 (regclass): Set prefclass to NO_REGS if memory is the best option.
4602 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4603 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4604 into account. For non-registers, equate an empty preferred
4605 reload class to a `!' in the constraint; move the if clause to
4606 do so after those that reject the insn.
4607 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4609 (find_dummy_reload): Likewise.
4610 * doc/tm.texi (Register Classes): Document what it means
4611 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4612 * config/i386/i386.c (ix86_preferred_reload_class): Force
4613 using SSE registers (and return NO_REGS for floating-point
4614 constants) if math is done with SSE.
4615 (ix86_preferred_output_reload_class): New.
4616 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4617 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4618 * config/i386/i386.md: Remove # register preferences.
4620 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4623 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4624 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4625 the type of nb_iter.
4626 (instantiate_parameters_1): Convert the operands before calling
4627 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4628 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4630 2006-04-02 Roger Sayle <roger@eyesopen.com>
4632 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4633 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4635 * dojump.c (do_jump): Likewise.
4636 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4637 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4638 gimplify_boolean_expr): Likewise.
4639 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4640 * varasm.c (array_size_for_constructor): Likewise.
4641 * tree-object-size.c (compute_object_offset): Likewise.
4643 2006-04-02 Roger Sayle <roger@eyesopen.com>
4646 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4647 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4649 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4651 PR tree-optimization/26939
4652 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4654 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4656 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4657 at_stmt. Convert the type of operands before calling
4658 build_polynomial_chrec.
4659 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4661 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4662 (instantiate_parameters_1): Convert the type of operands before calling
4663 build_polynomial_chrec.
4664 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4665 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4666 reset_evolution_in_loop): Insert asserts to check the types of the
4668 (chrec_type): Moved...
4669 (eq_evolutions_p): Use operand_equal_p.
4670 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4671 the types of the operands.
4672 (chrec_type): ...here.
4673 * tree-data-ref.c (create_data_ref): Convert the operands before
4674 calling chrec_replace_initial_condition.
4675 (same_access_functions, analyze_subscript_affine_affine,
4676 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4677 (compute_subscript_distance, analyze_ziv_subscript,
4678 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4679 analyze_miv_subscript): Convert the operands before calling
4680 chrec_fold_minus or chrec_fold_plus.
4682 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4684 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4685 the dependence_relations vector.
4686 (compute_data_dependences_for_loop): Adjust call to
4687 compute_all_dependences.
4689 2006-04-01 Roger Sayle <roger@eyesopen.com>
4690 Richard Henderson <rth@redhat.com>
4692 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4693 gimple_boolify on the condition before calling gimplify_expr.
4695 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4697 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4698 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4699 the frame size. Update to use the new macros.
4700 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4701 * config/xtensa/ieee754-df.S: Likewise.
4703 2006-03-31 Richard Henderson <rth@redhat.com>
4705 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4706 (make_edges): ... here. Control fallthru creation with a local
4707 variable. Do not play with fake edges.
4708 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4709 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4712 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4714 * dwarf2.h (DW64_CIE_ID): Define.
4715 * dwarf2out.c (DWARF_CIE_ID): Define.
4716 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4717 length header. Use DWARF_CIE_ID.
4718 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4719 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4721 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4723 * config/sh/linux-atomic.asm: New file.
4724 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4726 2006-03-31 DJ Delorie <dj@redhat.com>
4728 * config/m32c/cond.md: Set condition flags properly throughout.
4729 * config/m32c/minmax.md: Likewise.
4730 * config/m32c/prologue.md: Likewise.
4731 * config/m32c/bitops.md: Likewise.
4732 * config/m32c/muldiv.md: Likewise.
4733 * config/m32c/mov.md: Likewise.
4734 * config/m32c/addsub.md: Likewise.
4735 * config/m32c/m32c.md: Likewise.
4736 * config/m32c/jump.md: Likewise.
4737 * config/m32c/shift.md: Likewise.
4739 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4740 conditionally output the pattern for this.
4741 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4742 (m32c_compare_redundant): New.
4743 (m32c_output_compare): New.
4744 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4746 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4747 dest, not src. Allow other 4-byte modes.
4749 2006-03-30 Denis Chertykov <denisc@overta.ru>
4751 * doc/md.texi: Refer to avr/constraints.md instead of
4754 2006-03-30 Roger Sayle <roger@eyesopen.com>
4756 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4757 signed vs. unsigned comparison failures on some hosts.
4759 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4762 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4763 change to FLOAT_REGS.
4765 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4766 (rs6000_override_options): Use it.
4767 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4768 only for -mabi=spe/no-spe and -mabi=altivec.
4770 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4772 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4775 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4777 * Makefile.in: Rename docdir to gcc_docdir.
4779 2006-03-30 Roger Sayle <roger@eyesopen.com>
4782 * expr.c (emit_group_store): Optimize group stores into a pseudo
4783 register by using a paradoxical subreg to initialize the destination
4784 if the first or last member of the group specifies a "low part".
4786 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4789 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4790 * target.h (struct gcc_target.speculate_insn): Change type of the
4791 second parameter to 'int'.
4792 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4793 the second operand of the DEPS_LIST.
4794 (copy_DEPS_LIST_list): Update reference to the second operand of the
4796 * rtl.h (alloc_DEPS_LIST): Update signature.
4797 * sched-int.h (ds_t): Change typedef to 'int'.
4798 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4800 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4802 * haifa-sched.c (try_ready): Change condition to restore
4803 non-speculative pattern of the instruction.
4804 (process_insn_depend_be_in_spec): Code to keep probability of the
4805 speculative dependence non-decreasing.
4807 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4809 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4810 (single_move_for_movmem): ... this. Also change all uses.
4811 (bfin_expand_strmov): Renamed to...
4812 (bfin_expand_movmem): ... this. Also change all uses.
4813 * config/bfin/bfin.md (movstrsi): Renamed to...
4814 (movstrsi): ...this.
4816 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4818 PR tree-optimization/26830
4820 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4821 (copy_prop_visit_stmt): Remove write-only variable ann.
4822 (init_copy_prop): Check variable loop depth here. Do not simulate
4823 memory-tag and virtual operand PHIs except for store copy prop.
4825 2006-03-30 Richard Guenther <rguenther@suse.de>
4827 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4828 variants with double arguments.
4830 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4832 * genpreds.c (write_tm_constrs_h): Delete variable p.
4833 * genconditions.c (write_header): Add tm-constrs.h to included
4835 * genpeep.c (main): Add toplev.h to included headers.
4836 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4837 (build/genpeep.o): Add toplev.h dependency.
4838 * config/rs6000/constraints.md: Add "W" constraint.
4840 2006-03-29 Roger Sayle <roger@eyesopen.com>
4842 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4843 sizes by correctly testing whether the size fits a host integer.
4844 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4845 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4846 SImode range for the default sizetype and bitsizetype.
4848 2006-03-29 Roger Sayle <roger@eyesopen.com>
4850 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4851 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4852 quickly if the argument is already of the correct type.
4853 Call fold_build1 instead of build1. Tidy up blank lines.
4855 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4857 * genemit.c (main): Add tm-constrs.h to included headers.
4858 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4859 * genpeep.c (main): Add tm-constrs.h to included headers.
4860 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4861 (write_tm_constrs_h): this and write complete file.
4862 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4863 (write_insn_preds_c): Add tm-constrs.h to included headers.
4864 (gen_constrs): New variable.
4865 (parse_option): Parse "-c".
4866 (main): Invoke write_tm_constrs_h.
4867 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4868 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4869 (object_out_file): Add tm-constrs.h dependency.
4870 (insn-emit.o): Same.
4871 (insn-output.o): Same.
4872 (insn-peep.o): Same.
4873 (insn-preds.o): Same.
4874 (insn-recog.o): Same.
4875 (tm-constsr.h): New target.
4876 (s-constrs-h): New target.
4878 * config/rs6000/constraints.md: New file.
4879 * config/rs6000/rs6000.c: Include tm-constrs.h.
4880 (num_insn_constant_wide): Convert to satisfies_constraint.
4881 (rs6000_rtx_costs): Convert to satisfies_constraint.
4882 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4883 (CONST_OK_FOR_LETTER_P): Delete.
4884 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4885 (EXTRA_CONSTRAINT): Delete.
4886 (EXTRA_MEMORY_CONSTRAINT): Delete.
4887 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4888 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4889 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4890 satisfies_constraint.
4892 * config/i386/i386.c: Include tm-constrs.h.
4894 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4896 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4897 * tree-data-ref.c (find_data_references_in_loop,
4898 compute_data_dependences_for_loop): Use pointers to VEC.
4899 (analyze_all_data_dependences): Adjust calls.
4900 * tree-data-ref.h (find_data_references_in_loop,
4901 compute_data_dependences_for_loop): Adjust declarations.
4902 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4903 compute_data_dependences_for_loop.
4905 2006-03-29 Paul Brook <paul@codesourcery.com>
4907 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4910 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4912 PR tree-optimization/26859
4913 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4915 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4916 for the step after fold_convert.
4918 2006-03-29 Paul Brook <paul@codesourcery.com>
4920 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4921 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4923 2006-03-29 Paul Brook <paul@codesourcery.com>
4926 * targhooks.c (default_narrow_bitfield): New fuction.
4927 * targhooks.h (default_narrow_bitfield): add prototype.
4928 * target.h (gcc_target): Add narrow_volatile_bitfield.
4929 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4930 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4931 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4932 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4934 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4936 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4938 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4939 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4940 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4941 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4942 (s390_function_arg_float): Allow SDmode and DDmode values to be
4943 passed in floating point registers.
4944 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4945 check with SCALAR_FLOAT_MODE_P.
4946 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4948 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4950 PR tree-optimization/25985
4951 * tree-ssa-loop-niter.c (number_of_iterations_le,
4952 number_of_iterations_ne): Make comments more precise.
4953 (number_of_iterations_cond): Add only_exit argument. Use the
4954 fact that signed variables do not overflow only when only_exit
4956 (loop_only_exit_p): New.
4957 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4958 number_of_iterations_cond.
4960 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4962 PR tree-optimization/26643
4963 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4966 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4968 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4969 (divsi3_i4_int): Likewise.
4971 2006-03-28 Roger Sayle <roger@eyesopen.com>
4973 * expr.c (emit_group_store): Only create a new pseudo reg if the
4974 quantity it needs to hold isn't already a suitable pseudo.
4976 2006-03-28 Jeff Law <law@redhat.com>
4978 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4979 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4981 2006-03-28 Roger Sayle <roger@eyesopen.com>
4983 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4984 the equivalent ~X & Y, and the symmetry related transformations.
4985 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4986 ~X & Y, and symmetry related transforms.
4988 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4990 Revert my 2006-03-27 patches.
4992 2006-03-28 Roger Sayle <roger@eyesopen.com>
4994 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4995 ~(T1)X, when T1 and T2 are integer types of the same precision
4996 and (T2)X isn't an extension.
4998 2006-03-28 Jeff Law <law@redhat.com>
5000 PR tree-optimization/26796
5001 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5002 need EH edge cleanups rather than purging them immediately.
5003 (eliminate_degenerate_phis): Handle queued EH cleanups.
5005 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5007 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5010 2006-03-27 Roger Sayle <roger@eyesopen.com>
5013 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5014 cast BIT_NOT_EXPR operand to the correct type.
5016 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5018 * tree-loop-linear.c: Don't include varray.h.
5019 (gather_interchange_stats, try_interchange_loops,
5020 linear_transform_loops): Use VEC instead of VARRAY.
5021 * lambda-mat.c: Don't include varray.h.
5022 * tree-chrec.c: Same.
5023 * lambda-trans.c: Same.
5024 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5025 VEC instead of VARRAY.
5026 * tree-vectorizer.h: Idem.
5027 * tree-data-ref.c (dump_data_references,
5028 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5029 initialize_data_dependence_relation, finalize_ddr_dependent,
5030 compute_all_dependences, find_data_references_in_loop,
5031 compute_data_dependences_for_loop, analyze_all_data_dependences,
5032 free_dependence_relation, free_dependence_relations,
5033 free_data_refs): Idem.
5034 * tree-data-ref.h (data_reference_p, subscript_p): New.
5035 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5036 VEC instead of VARRAY.
5037 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5038 (find_data_references_in_loop, compute_data_dependences_for_loop,
5039 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5040 dump_data_dependence_relations, free_dependence_relations,
5041 free_data_refs): Adjust declaration.
5042 (lambda_transform_legal_p): Move declaration here...
5043 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5044 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5045 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5046 vect_analyze_data_refs): Use VEC instead of VARRAY.
5047 * lambda.h (lambda_transform_legal_p): ...from here.
5048 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5049 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5050 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5051 tree-chrec.o): Don't depend on VARRAY_H.
5053 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5055 * rtl.def (Copyright): Update date.
5056 (DEPS_LIST): Change type of the second operand to 'int'.
5057 * target.h (Copyright): Update date.
5058 (struct gcc_target.speculate_insn): Change type of the second parameter
5060 * lists.c (Copyright): Update date.
5061 (alloc_DEPS_LIST): Change signature. Update reference to the second
5062 operand of the DEPS_LIST.
5063 (copy_DEPS_LIST_list): Update reference to the second operand of the
5065 * rtl.h (Copyright): Update date.
5066 (alloc_DEPS_LIST): Update signature.
5067 * sched-int.h (Copyright): Update date.
5068 (ds_t): Change typedef to 'int'.
5069 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5071 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5073 * haifa-sched.c (Copyright): Update date.
5074 (try_ready): Change condition to restore non-speculative pattern
5076 (process_insn_depend_be_in_spec): Code to keep probability of the
5077 speculative dependence non-decreasing.
5079 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5081 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5082 shut up the compiler.
5084 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5086 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5087 to use lib prefix for target.
5088 ($(T)libic_invalidate_array_4-200.a): Likewise.
5089 ($(T)libic_invalidate_array_4a.a): Likewise.
5091 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5092 J"orn Rennecke <joern.rennecke@st.com>
5094 * superh.opt: New file.
5095 * sh.c (boardtype, osruntime): Remove.
5096 * superh.h (SUBTARGET_OPTIONS): Remove.
5097 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5099 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5100 arguments with ^ and/or [].
5102 * config.gcc (sh-*-*): Add quoting to account for quirk of
5104 Replace == with = in enable_incomplete_targets test.
5106 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5107 with MASK_LITTLE_ENDIAN.
5109 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5110 * config/sh/sh.opt: Added to some comments.
5111 * config/sh/superh.h: Removed some chaff.
5113 * config/sh/sh.opt: Add m4-[1234]00* options.
5114 * config/sh/sh.c (sh_handle_option): Likewise.
5115 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5116 (ic_invalidate_array_4-100.o): New rule.
5117 ($(T)libic_invalidate_array_4-100.a): Likewise.
5118 (ic_invalidate_array_4-200.o): Likewise.
5119 ($(T)libic_invalidate_array_4-200.a): Likewise.
5120 (ic_invalidate_array_4a.o): Likewise.
5121 ($(T)libic_invalidate_array_4a.a): Likewise.
5122 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5123 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5125 * config/sh/crt1.asm: Merged in profiling code.
5126 * config/sh/superh.h (STARTFILE_SPEC): Override.
5127 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5128 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5129 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5131 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5132 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5133 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5135 * sh.opt (mpretend-cmove): New option.
5136 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5137 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5138 (movsicc): Add TARGET_PRETEND_CMOVE code.
5140 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5142 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5143 s390_class_max_nregs): New function prototypes.
5144 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5145 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5146 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5147 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5149 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5151 * dwarf2out.c (add_location_or_const_value_attribute): Call
5152 tree_add_const_value_attribute if nothing else works.
5153 (reference_to_unused): New.
5154 (rtl_for_decl_init): Use reference_to_unused to decide whether
5155 to output an initializer.
5157 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5160 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5161 peephole removing spe frob_di_df_2.
5163 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5165 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5166 (subscript_dependence_tester_1): Declared.
5167 (print_dir_vectors, print_dist_vectors): New.
5168 (debug_data_dependence_relation): New.
5169 (dump_data_dependence_relation): Print more details.
5170 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5171 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5172 (save_dist_v, save_dir_v, add_outer_distances,
5173 build_classic_dist_vector_1): New.
5174 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5175 Don't test for lambda_vector_lexico_pos.
5176 (same_access_functions, add_multivariate_self_dist,
5177 add_other_self_distances, dir_from_dist): New.
5178 (build_classic_dir_vector): Replace implementation almost identical to
5179 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5181 (subscript_dependence_tester_1): New.
5182 (subscript_dependence_tester): Handle the lexicographically negative
5183 distance vectors by recomputing the dependence relation.
5184 (compute_affine_dependence): Remove parameter loop_nest_depth.
5185 (compute_self_dependence): Don't call compute_subscript_distance.
5186 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5187 Add a parameter for the loop_nest.
5188 (find_loop_nest_1, find_loop_nest): New.
5189 (compute_data_dependences_for_loop): Compute the loop nest, and give
5190 up if the nest is not well formed.
5191 * tree-data-ref.h (loop_p): New.
5192 (struct data_dependence_relation): Replace size_vect field with
5193 loop_nest, a vec of loops.
5194 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5195 (DDR_LOOP_NEST): New.
5196 (print_dir_vectors, print_dist_vectors,
5197 debug_data_dependence_relation): Declared.
5198 (index_in_loop_nest): New.
5199 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5200 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5203 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5205 * simplify-rtx.c (simplify_relational_operation): Call
5206 simplify_relational_operation_1 even if mode is VOIDmode.
5208 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5210 PR tree-optimization/26804
5211 * tree.h (DECL_CALL_CLOBBERED): New macro.
5212 (tree_decl_common): Add call_clobbered_flag.
5213 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5214 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5215 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5216 (mark_non_addressable): Ditto.
5217 * tree-ssa.c (verify_call_clobbered): New function.
5218 (verify_alias_info): Use it.
5219 * tree-pass.h (pass_reset_cc_flags): New prototype.
5220 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5221 (reset_cc_flags): New function.
5222 * passes.c (init_optimization_passes): Call reset_cc_flags after
5223 initializing referenced_vars.
5225 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5226 Roger Sayle <roger@eyesopen.com>
5229 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5230 to 1.0 for non-real operands. Implement A / A optimization for
5233 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5235 * config/i386/i386.c (size_cost): Correct the comment for
5236 cost of storing fp registers.
5237 (i386_cost): Likewise.
5238 (i486_cost): Likewise.
5239 (pentium_cost): Likewise.
5240 (pentiumpro_cost): Likewise.
5241 (k6_cost): Likewise.
5242 (athlon_cost): Likewise.
5243 (k8_cost): Likewise.
5244 (pentium4_cost): Likewise.
5245 (nocona_cost): Likewise.
5246 (generic64_cost): Likewise.
5247 (generic32_cost): Likewise.
5249 2006-03-24 Denis Chertykov <denisc@overta.ru>
5251 * config/avr/avr-protos.h (extra_constraint): Delete.
5252 (extra_constraint_Q): New declaration.
5253 * config/avr/constraints.md: New file.
5254 * config/avr/avr.md: Include it.
5255 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5256 (TMP_REGNO, ZERO_REGNO): Likewise.
5257 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5258 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5259 (extra_constraint): Delete.
5260 (extra_constraint_Q): Test for memory constraint 'Q'.
5261 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5262 (REG_CLASS_FROM_LETTER): Delete.
5263 (CONST_OK_FOR_LETTER_P): Delete.
5264 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5265 (EXTRA_CONSTRAINT): Delete.
5266 (TMP_REGNO): Delete.
5267 (ZERO_REGNO): Delete.
5269 2006-03-24 Jeff Law <law@redhat.com>
5271 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5272 directly. Call mark_new_vars_to_rename slightly earlier.
5274 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5276 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5278 (gen_compile_unit_die): Use new language types for Objective-C and
5280 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5281 DW_LANG_C_plus_plus.
5284 * config/t-darwin (crt3.o): Work around bug 26840.
5285 * config/darwin-crt3.c: Rewrite.
5286 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5288 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5290 * doc/invoke.texi: Document -femit-class-debug-always
5291 * common.opt: Add -femit-class-debug-always.
5293 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5295 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5296 index and base register.
5297 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5298 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5299 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5300 REGNO_OK_FOR_INDEX_P.
5301 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5303 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5304 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5305 REG_OK_FOR_BASE_P): Definitions removed.
5307 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5310 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5311 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5312 set yet or weren't marked as local yet.
5314 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5316 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5319 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5321 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5322 (rs6000_legitimate_small_data_p): Delete.
5323 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5324 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5325 and make static. Add forward declaration. Update uses.
5326 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5327 of offsettable_memref_p.
5328 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5329 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5331 2006-03-24 Jeff Law <law@redhat.com>
5333 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5334 around bug in immediate-use iterator.
5336 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5339 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5340 or __LITTLE_ENDIAN__.
5342 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5344 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5345 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5346 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5347 * config/sh/sh.opt (mdiv=): Amend description.
5348 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5349 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5350 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5351 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5352 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5353 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5354 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5355 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5356 TARGET_DIVIDE_CALL_FP.
5358 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5360 * haifa-sched.c (choose_ready): Fix type of the local variable.
5361 Move local variables. Add comment.
5362 (check_reg_live): Change signature. Make callable from debugger.
5363 * sched-int.h (check_reg_live): Update signature.
5364 * sched-ebb.c (check_reg_live): Update parameters.
5365 * sched-rgn.c (check_reg_live): Ditto.
5366 (region_head_or_leaf_p): Check pointer before dereferencing.
5367 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5368 before reload on optimization levels below 1.
5370 2006-03-23 Richard Henderson <rth@redhat.com>
5372 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5376 * config/alpha/predicates.md (local_symbolic_operand): Reject
5379 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5382 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5383 expressions which have overflowed constants.
5385 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5387 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5389 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5391 * cfgloopmanip.c (create_loop_notes): Removed.
5392 * final.c (final_scan_insn): Do not handle loop notes.
5393 * jump.c (squeeze_notes): Ditto.
5394 * cfglayout.c (skip_insns_after_block,
5395 duplicate_insn_chain): Ditto.
5396 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5398 * cfgloop.h (create_loop_notes): Declaration removed.
5400 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5402 * varasm.c (output_constant_pool): Restore fnname and fndecl
5404 (assemble_start_function): Adjust call accordingly.
5405 (assemble_end_function): Likewise.
5407 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5410 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5413 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5415 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5418 * system.h (ICE_EXIT_CODE): New macro.
5419 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5420 (diagnostic_action_after_output): Likewise.
5421 * gcc.c (fatal_ice): New function.
5422 (execute): Use it instead of fatal.
5423 (fancy_abort): Likewise.
5424 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5426 2006-03-22 Jeff Law <law@redhat.com>
5428 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5429 iv_analyze_result returning false.
5431 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5433 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5435 2006-03-22 Richard Henderson <rth@redhat.com>
5438 * except.c (duplicate_eh_regions_0): New.
5439 (duplicate_eh_region_1): Duplicate the children of the node as
5440 well as the node itself. Link them up properly.
5441 (duplicate_eh_region_2): Merge into ...
5442 (duplicate_eh_regions): ... here. Take copy_region argument, and
5443 copy only a sub-tree if asked. Simplify copying and fixup.
5444 (eh_region_outer_p): New.
5445 * except.h (duplicate_eh_regions): Update decl.
5446 (eh_region_outer_p): Declare.
5447 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5448 (lower_omp_master): Likewise.
5449 (lower_omp_ordered): Likewise.
5450 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5451 (move_stmt_r): Use it to remap labels. Handle recursion vs
5452 remap_decls_p properly.
5453 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5454 (find_outermost_region_in_block): New.
5455 (new_label_mapper): New.
5456 (move_sese_region_to_fn): Copy eh information to the new function
5458 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5460 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5463 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5465 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5466 into shared libraries.
5468 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5470 * doc/md.texi: Refer to i386/constraints.md instead of
5472 * config/i386/constraints.md: New file, extracted from...
5473 * config/i386/predicates.md: ...here.
5474 * config/i386/i386.md: Include constraints.md.
5476 2006-03-21 Jason Merrill <jason@redhat.com>
5478 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5481 * expr.c (init_block_move_fn): Force default visibility.
5482 (init_block_clear_fn): Likewise.
5483 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5484 * targhooks.c (default_external_stack_protect_fail): Likewise.
5486 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5488 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5489 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5490 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5491 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5492 (loadgp): Use mips_current_loadgp_style.
5493 (loadgp_noshared): New pattern.
5494 (sibcall_internal): Use MIPS_CALL.
5495 (sibcall_value_internal): Likewise.
5496 (sibcall_value_multiple_internal): Likewise.
5497 (call_internal): Likewise.
5498 (call_value_internal): Likewise.
5499 (call_value_multiple_internal): Likewise.
5500 (call_split): Use MIPS_CALL and add an 'S' constraint.
5501 (call_value_split): Likewise.
5502 (call_value_multiple_split): Likewise.
5503 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5504 (-mshared): New option.
5505 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5506 (mips_current_loadgp_style): Declare.
5507 * config/mips/mips.c (mips_classify_symbol): Avoid using
5508 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5509 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5510 TARGET_ABSOLUTE_ABICALLS.
5511 (override_options): Adjust comments. Improve the warning that is
5512 issued when -mabicalls and -G are used together.
5513 (mips_file_start): Remove comment.
5514 (mips_current_loadgp_style): New function.
5515 (mips_gnu_local_gp): New variable.
5516 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5518 (mips_output_function_prologue): Use mips_current_laodgp_style.
5519 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5520 the cprestore instruction.
5521 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5522 live for TARGET_ABSOLUTE_ABICALLS.
5523 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5524 (ASM_SPEC): Pass down -mshared and -mno-shared.
5525 (MIPS_CALL): New macro.
5526 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5528 * doc/invoke.texi (-mabicalls): Update documentation.
5529 (-mshared): Document.
5531 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5533 * config/ia64/unwind-hpux.c: New file.
5534 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5536 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5539 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5541 2006-03-21 Jeff Law <law@redhat.com>
5543 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5544 type conversions of a VR_VARYING source to a wider type.
5546 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5548 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5549 tm_file on Solaris 10 and later.
5550 (sparc64-*-solaris2*): Likewise.
5551 (sparc-*-solaris2*): Likewise.
5552 * config/sol26.h: Rename to config/sol2-6.h.
5553 * config/sol2-10.h: New file.
5555 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5558 * tree-ssa-pre.c (create_component_ref_by_pieces):
5561 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5564 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5565 return it immediately.
5567 2006-03-21 Michael Matz <matz@suse.de>
5569 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5571 (remove_arc, add_arc): Update num_out_arcs member.
5572 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5574 (cache_presence): New function.
5575 (compare_states_for_equiv): New function.
5576 (state_is_differed): Don't take number of outargs, adjust callers.
5577 Use new invariant for speeding up.
5578 (init_equiv_class): Create initial classes based on sorted
5580 (partition_equiv_class): Don't track out_arcs_num.
5581 (evaluate_equiv_classes): Call cache_presence on all states and
5584 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5586 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5587 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5588 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5589 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5591 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5592 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5593 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5594 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5595 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5597 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5598 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5599 (REGNO_REG_CLASS): ARGP is in PREGS.
5600 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5602 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5603 to deal with those addresses.
5604 * addresses.h: New file.
5605 * caller-save.c: Include "addresses.h".
5606 (init_caller_save): Use new base_reg_class function.
5607 * rtl-factoring.c: Include "addresses.h".
5608 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5609 * recog.c: Include "addresses.h".
5610 (preprocess_constraints): Use new base_reg_class function.
5611 * regrename.c: Include "addresses.h".
5612 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5613 functions. Keep track of a new var INDEX_CODE to compute valid
5615 (replace_oldest_value_addr): Likewise.
5616 (replace_oldest_value_mem): Use base_reg_class.
5617 * reload.c: Include "addresses.h".
5618 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5619 (find_reloads): Use new base_reg_class function.
5620 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5621 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5622 all callers and prototype changed.
5623 * reload1.c: Include "addresses.h".
5624 (maybe_fix_stack_asms): Use base_reg_class.
5625 * regclass.c: Include "addresses.h".
5626 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5627 (init_reg_autoinc): Use new base_reg_class function.
5628 (record_reg_classes): Likewise.
5629 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5630 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5631 Use new args to compute necessary class.
5633 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5634 regrename.o, rtl-factoring.o): Update dependencies.
5635 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5636 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5637 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5638 REG_OK_FOR_INDEX_P): Delete documentation.
5640 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5642 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5643 from V7 to V9 for Solaris 7 and above.
5645 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5647 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5648 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5649 argument pointers may not alias any other storage.
5650 * common.opt: Define option -fargument-noalias-anything.
5651 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5652 alias semantics is specified by flag_argument_noalias > 2.
5654 2006-03-20 Jeff Law <law@redhat.com>
5656 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5657 (pass_phi_only_cprop): Declare.
5658 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5660 * tree-ssa-dom.c (degenerate_phi_result): New function.
5661 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5662 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5663 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5664 (eliminate_degenerate_phis): Likewise.
5665 (pass_phi_only_cprop): New pass descriptor.
5666 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5667 support code. Callers updated.
5668 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5669 (store_copy_prop): Likewise.
5670 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5672 2006-03-20 Jason Merrill <jason@redhat.com>
5675 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5676 (push_visibility, pop_visibility): Likewise.
5677 * c-pragma.h: Declare them.
5679 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5681 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5683 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5684 parameter and use get_ebb_head_tail.
5685 (sh_md_init_global): Adjust uses of find_regmode_weight.
5687 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5689 * function.h (struct function) <x_tail_recursion_reentry>:
5690 Rename to x_stack_check_probe_note.
5691 (tail_recursion_reentry): Rename to stack_check_probe_note.
5692 * function.c: Replace tail_recursion_reentry with
5693 stack_check_probe_note everywhere.
5694 (expand_function_start): Only emit a note for
5695 stack_check_probe_note with -fstack-protect.
5696 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5698 * emit-rtl.c (remove_unnecessary_notes): Remove.
5699 (pass_remove_unnecessary_notes): Remove.
5700 * rtl.h (remove_unnecessary_notes): Remove prototype.
5701 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5702 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5703 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5705 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5708 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5709 (valid_in_set): Handle ARRAY_REF.
5710 Change "if min_variant or VH" to asserts.
5711 (create_component_ref_by_pieces): Handle ARRAY_REF.
5712 (create_expression_by_pieces): Likewise.
5713 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5715 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5717 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5718 is operand of switch, not str[0].
5720 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5722 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5723 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5725 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5727 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5728 end of insn_extra_address_constraint declaration.
5730 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5732 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5733 (no-sum-in-toc): Same.
5734 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5736 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5737 NO_FP_IN_TOC for -fPIC instead of mask.
5739 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5740 (BOOT_LDFLAGS): Delete.
5742 * config/rs6000/t-aix52: Same.
5744 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5745 (stmsi[345678]_power): New.
5747 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5749 * config/ia64/ia64.opt: Add empty line to end of file.
5751 2006-03-17 Richard Guenther <rguenther@suse.de>
5754 * builtins.c (get_pointer_alignment): For component style references
5755 adjust alignment to the component type alignment. Make sure
5756 to adjust alignment for component access of constants.
5758 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5760 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5763 2006-03-17 Paul Brook <paul@codesourcery.com>
5765 * doc/install.texi: Docuemnt --with-mode.
5766 * config.gcc: Add --with-mode for arm*-*-*.
5767 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5769 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5771 * sh.c (max_labelno_before_reorg): New variable.
5772 (sh_reorg): Initialize it.
5773 (find_barrier): Check max_labelno_before_reorg before using
5774 label_to_alignment. Take length of explicit alignment insns
5775 into account. When seeing a UNSPECV_CONST_END, return it.
5777 * sh.c (fixup_mova): Set mode of affected label to QImode.
5778 (untangle_mova): New function.
5779 (find_barrier): Use it. Check mode of label before decrementing
5781 (sh_reorg): Likewise.
5782 Set mode of all insns back to VOIDmode.
5784 * sh.c (MOVA_LABELREF): New macro.
5785 (mova_p, fixup_mova, sh_reorg): Use it.
5786 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5787 ADDR_DIFF_VEC matches mova.
5789 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5791 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5792 with ATTRIBUTE_UNUSED.
5794 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5796 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5797 pointer, instead of assuming it is possible to derive the
5798 correct args size from a call insn.
5800 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5802 * rtl.h (CONST_INT_P): Define.
5803 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5804 instead of GET_CODE(x) == CONST_INT.
5805 (vax_rtx_costs): Likewise.
5806 (vax_output_int_move): Likewise.
5807 (vax_output_int_add): Likewise.
5808 (legitimate_constant_address_p): Likewise.
5809 (index_term_p): Likewise.
5810 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5811 * config/vax/vax.md (and<mode>3): Likewise.
5812 (ashrsi3): Likewise.
5814 (movstricthi): Likewise.
5815 (movstrictqi): Likewise.
5816 (rotrsi3): Likewise.
5817 (five unnamed insns): Likewise.
5819 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5821 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5822 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5823 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5824 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5825 Pass to ASM_OUTPUT_DWARF_OFFSET.
5826 * dwarf2out.c (debug_frame_section): New.
5827 (output_call_frame_info): Use debug_frame_section. Pass it to
5828 dw2_asm_output_offset.
5829 (output_die): Pass appropriate section to dw2_asm_output_offset.
5830 (output_compilation_unit_header): Likewise.
5831 (output_pubnames): Likewise.
5832 (output_aranges): Likewise.
5833 (enum dw_val_class): Break dw_val_class_lbl_offset into
5834 dw_val_class_lineptr and dw_val_class_macptr.
5835 (add_AT_lbl_offset): Delete.
5836 (add_AT_lineptr): New.
5837 (add_AT_macptr): New.
5838 (AT_lbl): Expect a lineptr or macptr.
5839 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5840 (attr_checksum): Likewise.
5841 (same_dw_val_p): Likewise.
5842 (size_of_die): Likewise.
5843 (value_format): Likewise.
5844 (output_die): Likewise.
5845 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5847 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5848 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5849 * config/darwin-protos.h (darwin_file_start): New.
5850 (darwin_asm_output_dwarf_offset): New.
5851 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5852 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5854 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5855 if not EH section; simplify.
5856 (darwin_file_start): New.
5857 (darwin_asm_output_dwarf_offset): New.
5858 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5860 (DEBUG_INFO_SECTION): Likewise.
5861 (DEBUG_ABBREV_SECTION): Likewise.
5862 (DEBUG_ARANGES_SECTION): Likewise.
5863 (DEBUG_MACINFO_SECTION): Likewise.
5864 (DEBUG_LINE_SECTION): Likewise.
5865 (DEBUG_LOC_SECTION): Likewise.
5866 (DEBUG_PUBNAMES_SECTION): Likewise.
5867 (DEBUG_STR_SECTION): Likewise.
5868 (DEBUG_RANGES_SECTION): Likewise.
5869 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5870 (ASM_OUTPUT_DWARF_OFFSET): New.
5872 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5874 * config.gcc (tm_defines): Always add to previous value rather
5877 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5879 * config/mips/predicates.md (splittable_const_int_operand): New,
5880 split from move_operand.
5881 (splittable_symbolic_operand): New.
5882 (move_operand): Add commentary. Use splittable_const_int_operand.
5883 Inline mips_atomic_symbolic_constant_p.
5884 * config/mips/mips.md: Add combine splitters for handling moves
5885 of splittable_const_int_operands and splittable_symbolic_operands.
5886 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5887 (mips_split_symbol): Declare.
5888 (mips_move_integer): Declare.
5889 * config/mips/mips.c (mips_split_p): Make global.
5890 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5891 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5892 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5893 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5894 (mips_offset_within_object_p): Handle block symbols.
5895 (mips_atomic_symbolic_constant_p): Delete.
5896 (mips_cannot_force_const_mem): Return false for constants that
5897 mips_legitimize_move can handle.
5898 (mips_use_blocks_for_constant_p): New function.
5899 (mips_split_symbol): Make global.
5900 (mips_move_integer): Likewise. Add a temporary register argument.
5901 (mips_legitimize_const_move): Use splittable_const_int_operand and
5902 splittable_symbolic_operand.
5903 (mips_use_anchors_for_symbol_p): New function.
5904 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5905 (mips_split_p): Declare.
5907 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5909 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5910 (mips*-*-linux*): Likewise.
5912 2006-03-16 Roger Sayle <roger@eyesopen.com>
5913 Daniel Speyer <dspeyer@wam.umd.edu>
5916 * tree-dump.c (dump_real): New function.
5917 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5918 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5919 (tree-dump.o): Add $(REAL_H) to the dependencies.
5921 2006-03-16 Roger Sayle <roger@eyesopen.com>
5924 * real.c (real_from_string): If the mantissa is zero, don't bother
5925 parsing the exponent as the result should always be zero.
5927 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5929 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5931 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5933 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5934 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5935 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5936 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5937 ia64_sched_finish_global): New static functions to implement
5938 hooks from gcc_target.sched.
5939 (spec_check_no, max_uid, pending_data_specs): New static variables.
5940 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5941 ia64_spec_check_src_p): New static functions.
5942 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5943 (TARGET_SCHED_ADJUST_COST): Removed.
5944 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5945 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5946 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5947 TARGET_SCHED_GEN_CHECK,
5948 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5949 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5950 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5951 Fixed to handle speculation checks.
5952 (rtx_needs_barrier): Fixed to handle speculative loads and
5954 (ia64_variable_issue): Added code to count speculative loads and their
5956 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5958 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5960 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5962 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5963 (ia64_reorg): Reset stops_p to NULL after it is freed.
5964 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5965 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5966 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5968 (data_speculative, control_speculative, check_load): New attributes.
5969 (mov<mode>_advanced, mov<mode>_speculative,
5970 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5971 zero_extend<mode>di2_speculative,
5972 zero_extend<mode>di2_speculative_advanced): New patterns for
5973 data and control speculative loads.
5974 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5976 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5977 New pattern for data and control speculation checks.
5978 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5979 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5980 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5981 Auxiliary definitions for the patterns.
5982 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5983 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5985 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5987 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5988 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5989 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5990 New resource constraints.
5991 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5993 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5994 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5995 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5996 msched-in-control-spec, msched-ldc, msched-control-ldc,
5997 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5998 msched-prefer-non-control-spec-insns,
5999 msched-count-spec-in-critical-path): New flags to tune speculative
6001 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6002 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6003 msched-in-control-spec, msched-ldc, msched-control-ldc,
6004 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6005 msched-prefer-non-control-spec-insns,
6006 msched-count-spec-in-critical-path): Document new flags.
6008 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6010 * target.h (struct spec_info_def): New opaque declaration.
6011 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6012 speculate_insn, needs_block_p, gen_check,
6013 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6014 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6015 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6016 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6017 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6018 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6020 (TARGET_SCHED): Use new macros.
6021 * rtl.h (copy_DEPS_LIST_list): New prototype.
6022 * sched-int.h (struct sched_info): Change signature of new_ready field,
6023 adjust all initializations. New fields: add_remove_insn,
6024 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6025 region_head_or_leaf_p.
6026 (struct spec_info_def): New structure declaration.
6027 (spec_info_t): New typedef.
6028 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6029 recovery_block, orig_pat.
6030 (glat_start, glat_end): New variables declaraions.
6031 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6033 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6034 DETACH_LIFE_INFO, USE_GLAT.
6035 (enum SPEC_SCHED_FLAGS): New enumeration.
6036 (NOTE_NOTE_BB_P): New macro.
6037 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6038 attach_life_info, debug_spec_status, check_reg_live): New functions.
6039 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6040 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6042 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6043 * ddg.c (get_block_head_tail): Adjust all uses.
6044 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6045 (sms_sched_info): Initialize new fields.
6046 (contributes_to_priority): Removed.
6047 * haifa-sched.c (params.h): New include.
6048 (get_block_head_tail): Adjust all uses.
6049 (ISSUE_POINTS): New macro.
6050 (glat_start, glat_end): New global variables.
6051 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6052 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6053 old_last_basic_block, before_recovery, current_sched_info_var,
6054 rgn_n_insns, luid): New static variables.
6055 (insn_cost1): New function. Move logic from insn_cost to here.
6056 (find_insn_reg_weight1): New function. Move logic from
6057 find_insn_reg_weight to here.
6058 (reemit_notes, move_insn, max_issue): Change signature.
6059 (move_insn1): Removed.
6060 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6061 extend_bb): New static functions to support extension of scheduler's
6063 (generate_recovery_code, process_insn_depend_be_in_spec,
6064 begin_speculative_block, add_to_speculative_block,
6065 init_before_recovery, create_recovery_block, create_check_block_twin,
6066 fix_recovery_deps): New static functions to support
6067 generation of recovery code.
6068 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6069 restore_bb_notes, move_block_after_check, move_succs): New static
6070 functions to support ebb scheduling.
6071 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6072 functions to support handling of register live information.
6073 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6074 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6075 add_jump_dependencies): New static functions.
6076 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6077 consistancy checking.
6078 (debug_spec_status): New function to call from debugger.
6079 (priority): Added code to handle speculation checks.
6080 (rank_for_schedule): Added code to distinguish speculative instructions.
6081 (schedule_insn): Added code to handle speculation checks.
6082 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6083 Fixed to handle ebbs.
6084 (move_insn): Added code to handle ebb scheduling.
6085 (max_issue): Added code to use ISSUE_POINTS of instructions.
6086 (choose_ready): Added code to choose between speculative and
6087 non-speculative instructions.
6088 (schedule_block): Added code to handle ebb scheduling and scheduling of
6089 speculative instructions.
6090 (sched_init): Initialize new variables.
6091 (sched_finish): Free new variables. Print statistics.
6092 (try_ready): Added code to handle speculative instructions.
6093 * lists.c (copy_DEPS_LIST_list): New function.
6094 * sched-deps.c (extend_dependency_caches): New function. Move logic
6095 from create_dependency_caches to here.
6096 (get_dep_weak, ds_merge): Make global.
6097 * genattr.c (main): Code to output prototype for
6098 dfa_clear_single_insn_cache.
6099 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6100 (output_dfa_clean_insn_cache_func): Code to output
6101 dfa_clear_single_insn_cache function.
6102 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6104 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6106 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6107 New static variables.
6108 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6109 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6111 (ebb_sched_info): Initialize new fields.
6112 (get_block_head_tail): Adjust all uses.
6113 (compute_jump_reg_dependencies): Fixed to use glat_start.
6114 (schedule_ebb): Code to remove unreachable last block.
6115 (schedule_ebbs): Added code to update register live information.
6116 * sched-rgn.c (region_sched_info): Initialize new fields.
6117 (get_block_head_tail): Adjust all uses.
6118 (last_was_jump): Removed. Adjust users.
6119 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6120 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6121 Implement new hooks.
6122 (check_dead_notes1): New static function.
6123 (struct region): New fields: dont_calc_deps, has_real_ebb.
6124 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6125 (BB_TO_BLOCK): Fixed to handle EBBs.
6126 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6127 (ebb_head): New static variable.
6128 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6129 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6131 (compute_dom_prob_ps): New assertion.
6132 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6133 global_live_at_start.
6134 (init_ready_list): New assertions.
6135 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6136 (new_ready): Add support for BEGIN_CONTROL speculation.
6137 (schedule_insns): Fixed code that updates register live information
6139 (schedule_region): Fixed to handle EBBs.
6140 (init_regions): Use extend_regions and check_dead_notes1.
6141 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6142 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6143 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6144 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6145 TARGET_SCHED_GEN_CHECK,
6146 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6147 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6148 * doc/invoke.texi (max-sched-insn-conflict-delay,
6149 sched-spec-prob-cutoff): Document.
6151 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6153 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6154 inter_tick, queue_index.
6155 (struct sched_info): Change signature of init_ready_list field.
6156 Adjust all initializations.
6157 (RESOLVED_DEPS): New access macro.
6158 (ready_add): Remove prototype.
6159 (try_ready): Add prototype.
6160 * sched-rgn.c (init_ready_list): Use try_ready.
6161 (schedule_region): Initialize
6162 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6163 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6164 (init_ready_list): Use try_ready.
6165 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6166 * lists.c (remove_list_elem): Remove `static'.
6167 (remove_free_INSN_LIST_elem): New function.
6168 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6169 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6170 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6172 (readyp): New variable.
6173 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6174 change_queue_index, resolve_dep): New static functions.
6175 (try_ready): New function. Adjust callers in sched-rgn.c and
6176 sched-ebb.c to use it instead of ready_add.
6177 (clock_var): Move at the begining of file.
6178 (rank_for_schedule): Fix typo.
6179 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6180 (ready_lastpos): Enforce assertion.
6181 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6183 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6184 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6185 (queue_to_ready): Use free_INSN_LIST_list.
6186 (early_queue_to_ready): Fix typo.
6187 (schedule_block): Init readyp. Move init_ready_list call after the
6188 initialization of clock_var. Fix error in rejecting insn by
6189 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6190 that previously corrected INSN_TICKs. Add code for handling
6192 (set_priorities): Fix typo.
6193 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6194 Clarify comment and code that keeps current_sched_info->next_tail
6197 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6199 * sched-rgn.c (extend_rgns): New static function.
6200 (find_rgns): Use it.
6201 (gather_region_statistics, print_region_statistics): New static
6203 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6204 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6206 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6207 Andrey Belevantsev <abel@ispras.ru>
6209 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6210 * lists.c (unused_deps_list): New variable.
6211 (free_list): Add assertions to verify the proper distinguishing
6212 between INSN_LISTs and DEPS_LISTs.
6213 (find_list_elem, remove_list_elem, remove_list_node): New static
6215 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6216 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6217 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6218 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6220 (free_INSN_LIST_node): Likewise.
6221 * modulo-sched.c (current_sched_info): Initialize flags field.
6222 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6223 * rtl.def (DEPS_LIST): Define.
6224 * rtl.h: Declare new functions from lists.c.
6225 * sched-deps.c (spec_dependency_cache): New static variable.
6226 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6227 (add_dependence): Change return type to void. Move the logic to ...
6228 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6229 (delete_all_dependences): Add comment about forward_dependency_cache.
6230 Handle spec_dependency_cache. Handle DEPS_LISTs.
6231 (fixup_sched_groups): Clarify the change of priority of output
6232 and anti dependencies.
6233 (sched_analyze_2): Adjust add_dependence calls to create data
6234 speculative dependence.
6235 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6236 Adjust all callers. Handle DEPS_LISTS.
6237 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6238 presence of speculation.
6239 (init_dependency_caches, free_dependency_caches):
6240 Handle spec_dependency_cache.
6241 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6242 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6243 New static functions.
6244 (add_or_update_back_dep, add_or_update_back_forw_dep,
6245 add_back_forw_dep, delete_back_forw_dep): New functions.
6246 * sched-int.h (ds_t, dw_t): New typedefs.
6247 (struct sched_info): Add new field flags.
6248 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6249 Prototype new sched-deps.c functions.
6250 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6251 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6252 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6253 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6254 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6255 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6257 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6259 * sched-rgn.c (current_sched_info): Initialize flags field.
6260 (schedule_insns): Initialize current_sched_info before the sched_init
6262 * sched-ebb.c (current_sched_info): Initialize flags field.
6263 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6264 Call add_or_update_back_dep instead of add_dependence.
6265 Create control speculative dependencies.
6266 (schedule_insns): Initialize current_sched_info before the sched_init
6269 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6271 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6273 (sh_fallback_frame_state): Likewise.
6275 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6277 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6278 Do switch on default_use_cxa_atexit.
6279 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6280 * config/darwin-crt3.o: New.
6281 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6282 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6283 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6285 * config/rs6000/t-darwin: Move crt2.o building to here.
6286 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6287 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6290 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6292 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6293 from '! xxx' to '!xxx' for coding-style conformance.
6294 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6295 (EXTRA_CONSTRAINT): Likewise.
6296 * config/vax/vax.md (four unnamed insns): Likewise.
6298 2006-03-15 Paul Brook <paul@codesourcery.com>
6300 * config/arm/arm.c (minipool_pad): New.
6301 (add_minipool_forward_ref): Include pool alignment padding in address
6303 (push_minipool_fix): Set minipool_pad.
6304 (minipool_pad): Ditto.
6306 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6308 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6309 instead of GET_CODE() == MEM and REG_P() instead of
6311 (print_operand_address): Likewise.
6312 (vax_address_cost): Likewise.
6313 (vax_rtx_costs): Likewise.
6314 (vax_notice_update_cc): Likewise.
6315 (vax_output_int_add): Likewise.
6316 (INDEX_REGISTER_P): Likewise.
6317 (BASE_REGISTER_P): Likewise.
6318 (nonindexed_address_p): Likewise.
6319 (vax_mode_dependent_address_p): Likewise.
6320 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6321 (PRINT_OPERAND): Likewise.
6322 * config/vax/vax.md (ashlsi3): Likewise.
6323 (ashlsi3): Likewise.
6324 (some more unnamed insns): Likewise.
6326 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6328 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6329 iterator-style macro.
6330 (mark_control_dependent_edges_necessary): Update the use of
6331 EXECUTE_IF_CONTROL_DEPENDENT.
6333 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6335 * config/sh/predicates.md (cache_address_operand): Special.
6336 (ua_address_operand): Likewise.
6338 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6340 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6342 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6344 2006-03-15 Andreas Schwab <schwab@suse.de>
6346 * gensupport.c (identify_predicable_attribute): Don't free p_false
6347 when it is still in use.
6349 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6351 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6352 the default setting here.
6354 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6356 * tree-pass.h (pass_cfg): Remove.
6357 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6358 * passes.c (pass_cfg): Don't run it.
6360 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6362 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6363 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6365 (stack_regs_mentioned): Update the uses of
6366 stack_regs_mentioned_data. Don't access the array beyond its
6368 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6369 Don't include gt-reg-stack.h.
6371 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6372 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6374 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6377 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6380 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6382 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6384 2006-03-14 Richard Guenther <rguenther@suse.de>
6386 PR tree-optimization/26672
6387 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6390 2006-03-14 Richard Guenther <rguenther@suse.de>
6392 PR tree-optimization/26667
6393 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6394 node for the callees. Always allow inlining if it will shrink
6397 2006-03-14 Richard Guenther <rguenther@suse.de>
6400 * builtins.c (get_pointer_alignment): Prefer alignment
6401 information from decls over that from types.
6403 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6406 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6408 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6410 * config/rs6000/rs6000.opt (mdlmzb): New option.
6411 (msched-prolog, msched-epilog): Use Var not Mask.
6412 * doc/invoke.texi (-mdlmzb): Document.
6413 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6415 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6416 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6418 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6420 PR rtl-optimization/25739
6421 * bt-load.c (augment_live_range): Free tos pointer.
6423 * gensupport.c (identify_predicable_attribute): Free
6425 * gcov.c (create_file_names): Free name pointer.
6427 2006-03-13 Roger Sayle <roger@eyesopen.com>
6430 * stmt.c (emit_case_nodes): Handle the case where the index is a
6431 CONST_INT, where the comparison mode is specified by the index type.
6433 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6435 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6438 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6440 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6441 (*branch_fp_inverted): Likewise.
6443 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6446 * omp-low.c (expand_omp_for_generic): Mark istart0
6447 and iend0 as addressable.
6449 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6451 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6453 2006-03-13 Jeff Law <law@redhat.com>
6455 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6456 virtual operands are interesting.
6457 (vrp_visit_stmt): Corresponding changes.
6459 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6461 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6463 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6464 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6465 * config/bfin/crti.S: Use it instead of __PIC__.
6466 * config/bfin/crtn.S: Likewise.
6468 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6469 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6471 Lose 'G' modifier for call operand.
6472 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6473 recognize 'G' modifier.
6475 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6478 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6479 * stmt.c (expand_case): Likewise.
6481 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6483 PR rtl-optimization/26254
6484 * loop-invariant.c (seq_insns_valid_p): New function.
6485 (move_invariant_reg): Only emit new code if it is valid.
6487 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6489 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6491 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6492 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6493 (commit_one_edge_insertion): Do not look for loop notes.
6495 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6497 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6498 flag_test_coverage out of loop.
6500 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6502 * final.c (shorten_branches): Remove outdated comment, and turn
6503 the if branch that guards it to continue.
6505 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6507 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6508 * cfgloop.h (struct loop): Remove unused fields.
6510 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6512 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6513 (-dL, -fdump-rtl-loop2): Update the dump file names
6515 * doc/invoke.texi: Update dump file names.
6517 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6519 * predict.c (estimate_probability): Remove.
6520 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6521 * basic-block.h (estimate_probability): Remove prototype.
6522 * passes.c (finish_optimization_passes): Dump branch prediction or
6523 profiling heuristics to the .profile tree dump.
6524 (init_optimization_passes): Unqueue pass_branch_prob.
6526 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6528 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6530 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6531 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6533 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6535 * function.h (frame_offset_overflow): Declare.
6536 * function.c (frame_offset_overflow): New function.
6537 (assign_stack_local_1): Call it to detect that the offset overflows.
6538 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6540 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6542 * config/sh/sh.c: Include alloc-pool.h.
6543 (label_ref_list_pool): New alloc pool.
6544 (label_ref_list_t): New type for lists of labels.
6545 (struct pool_node): Make wend a label_ref_list_t.
6546 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6548 (dump_table): Likewise.
6549 (sh_reorg): Set up the alloc pool before using add_constant and
6550 dump_table, and destroy it when finishing.
6552 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6554 * config/mips/mips.c: Remove redundant comment.
6556 2006-03-10 Jason Merrill <jason@redhat.com>
6559 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6560 the target was declared 'register'.
6562 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6564 * genpreds.c (write_insn_constraint_len): Change definition of
6565 insn_constraint_len to return size_t to match the declaration.
6567 2006-03-10 DJ Delorie <dj@redhat.com>
6569 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6571 (m32c_expand_insv): Fix test for an AND mask.
6573 2006-03-10 Richard Guenther <rguenther@suse.de>
6576 * builtins.c (get_pointer_alignment): Handle component
6577 references for field alignment.
6579 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6581 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6582 when building with libgloss.
6583 (sh*elf): Implement --without-fp option.
6584 (sh64-superh-linux*): Don't multilib.
6586 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6588 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6590 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6592 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6593 Set it when one of the replacement functions returned true.
6594 Return TODO_cleanup_cfg if cfgchanged is true.
6595 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6597 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6599 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6600 instead of gen_lowpart.
6602 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6604 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6606 (mips_output_order_conditional_branch): Declare.
6607 * config/mips/mips.h (MIPS_BRANCH): New macro.
6608 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6609 for the comparison. Use gen_condjump.
6610 (mips_output_conditional_branch): Rework interface to take the
6611 asm templates for a direct branch and the inverse of a direct branch.
6612 (mips_output_order_conditional_branch): New function.
6613 (mips_builtin_branch_and_move): New function.
6614 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6615 branch condition. Use gen_single_cc as the condition for
6616 __builtin_mips_upper_* or __builtin_mips_lower_*.
6617 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6618 Use VOIDmode for the branch condition.
6619 * config/mips/predicates.md (order_operator): New predicate.
6620 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6621 (branch_fp): Rename to...
6622 (*branch_fp): ...this. Remove mode from comparison operator.
6623 Use new mips_output_conditional_branch interface.
6624 (branch_fp_inverted): Rename to...
6625 (*branch_fp_inverted): ...this and update as for *branch_fp.
6626 (*branch_zero<mode>): Rename to...
6627 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6628 Use mips_output_order_conditional_branch. Only accept ordered
6630 (*branch_zero<mode>_inverted): Rename to...
6631 (*branch_order<mode>_inverted): ...this and update as for
6632 *branch_order<mode>.
6633 (*branch_equality<mode>): Accept zero as the second operand to
6634 the equality operator. Use the new mips_output_conditional_branch
6636 (*branch_equality<mode>_inverted): Likewise.
6637 (condjump): New expander.
6638 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6640 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6641 (bc1any2t, bc1any2f): Likewise.
6642 (single_cc): New expander.
6643 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6645 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6647 * doc/md.texi: Update documentation of MIPS constraints.
6648 * config/mips/constraints.md: New file.
6649 * config/mips/mips.md: Include it.
6650 * config/mips/mips.c (mips_char_to_class): Delete.
6651 (override_options): Don't initialize mips_char_to_class.
6652 * config/mips/mips.h (mips_char_to_class): Delete.
6653 (REG_CLASS_FROM_LETTER): Delete.
6654 (CONST_OK_FOR_LETTER_P): Delete.
6655 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6656 (EXTRA_CONSTRAINT_Y): Delete.
6657 (EXTRA_CONSTRAINT_STR): Delete.
6658 (CONSTRAINT_LEN): Delete.
6659 (EXTRA_MEMORY_CONSTRAINT): Delete.
6661 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6663 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6664 original fn's eh regions.
6666 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6668 * fold-const.c (build_range_check): Make sure to use a valid type to
6669 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6672 (range_predecessor): New static function.
6673 (range_successor): Likewise.
6674 (merge_ranges): Use them to compute predecessors and successors of
6677 2006-03-09 Roger Sayle <roger@eyesopen.com>
6680 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6681 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6683 2006-03-08 DJ Delorie <dj@redhat.com>
6685 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6686 (addpsi3): Expand to include memory operands. Remove
6687 reload-specific splits.
6688 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6689 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6690 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6691 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6692 (shift1_qi, shift1_hi, insv): New.
6693 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6694 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6695 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6697 * config/m32c/m32c-protos.h: Update as needed.
6698 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6699 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6700 Fail for unrecognized R* constraints.
6701 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6702 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6703 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6705 (m32c_init_libfuncs): New.
6706 (m32c_legitimate_address_p): Add debug wrapper.
6707 (m32c_rtx_costs): New.
6708 (m32c_address_cost): New.
6709 (conversions): Add 'B' prefix.
6710 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6711 operands, or word regnames for QI operands. 'B' prints bit
6713 (m32c_expand_setmemhi): New.
6714 (m32c_expand_movmemhi): New.
6715 (m32c_expand_movstr): New.
6716 (m32c_expand_cmpstr): New.
6717 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6718 (m32c_expand_neg_mulpsi3): Handle non-ints.
6719 (m32c_cmp_flg_0): New.
6720 (m32c_expand_movcc): New.
6721 (m32c_expand_insv): New.
6722 (m32c_scc_pattern): New.
6723 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6724 a0/a1 out of SIregs.
6725 (STORE_FLAG_VALUE): New.
6726 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6729 * config/m32c/mov.md: Make constraints more liberal.
6730 (zero_extendqihi2): Optimize r0/r1 case.
6731 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6732 * config/m32c/predicates.md (m32c_any_operand): New.
6733 (m32c_nonimmediate_operand): New.
6734 (m32c_hl_operand): New.
6735 (m32c_r3_operand): New.
6738 (memsym_operand): New.
6739 (memimmed_operand): New.
6740 (a_qi_operand): New.
6741 (m32c_eqne_operator): New.
6742 (m32c_1bit8_operand): New.
6743 (m32c_1bit16_operand): New.
6744 (m32c_1mask8_operand): New.
6745 (m32c_1mask16_operand): New.
6746 * config/m32c/blkmov.md: New file.
6747 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6749 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6751 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6752 unsigned to fix signed/unsigned comparison issue in
6753 DWARF2_FRAME_REG_OUT.
6754 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6755 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6757 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6758 of ptr into the ENABLE_CHECKING section.
6760 2006-03-08 Jeff Law <law@redhat.com>
6762 * tree-vrp.c (infer_value_range): Only count pointer uses
6763 and dereferences if -fdelete-null-pointer-checks is enabled.
6765 * tree-vrp.c (find_assert_locations): Infer value ranges for
6766 single use pointers, but do not create ASSERT_EXPRs for them.
6767 When a non-null range is inferred for a pointer, backwards
6768 propagate that range to other equivalent pointers through the
6771 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6774 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6775 language hook targets.
6776 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6777 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6778 if language hook targets were missing.
6780 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6782 * tree-ssa-opfinalize.h: Removed.
6783 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6785 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6786 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6787 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6788 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6789 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6790 finalize_ssa_v_must_def_ops): New.
6792 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6794 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6797 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6799 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6801 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6802 addresses with offsets; reorganize.
6804 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6805 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6806 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6808 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6811 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6813 2006-03-08 Ben Elliston <bje@au.ibm.com>
6815 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6817 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6820 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6823 2006-03-07 Richard Guenther <rguenther@suse.de>
6825 PR tree-optimization/26587
6826 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6828 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6830 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6832 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6834 * hooks.c (hook_bool_mode_rtx_true): New function.
6835 * hooks.h (hook_bool_mode_rtx_true): Declare.
6836 * toplev.c (compile_file): Call output_shared_constant_pool.
6837 * varasm.c (shared_constant_pool): New variable.
6838 (assemble_start_function, assemble_end_function): Remove arguments
6839 from call to output_constant_pool.
6840 (create_constant_pool): New function, split out from...
6841 (init_varasm_status): ...here.
6842 (force_const_mem): Choose between the shared and per-function constant
6843 pools. Set current_function_uses_const_pool when reusing old entries
6844 as well as when creating new ones.
6845 (mark_constant): Ignore data argument.
6846 (mark_constants): Remove pool argument.
6847 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6848 to decide whether the function uses a constant pool.
6849 (output_constant_pool_contents): New function, split out from...
6850 (output_constant_pool): ...here.
6851 (output_shared_constant_pool): New function.
6852 (init_varasm_once): Initialize shared_constant_pool.
6853 * output.h (output_constant_pool): Delete.
6854 (output_shared_constant_pool): Declare.
6855 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6856 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6858 2006-03-06 Nick Clifton <nickc@redhat.com>
6860 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6861 flag_strength_reduce.
6863 2006-03-06 Ben Elliston <bje@au.ibm.com>
6865 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6866 x86_64-*-linux* configurations.
6868 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6869 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6871 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6873 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6875 * basic-block.h: Remove the extern for
6876 rediscover_loops_after_threading.
6878 * cfgloop.c (cancel_loop): Make it static.
6879 * cfgloop.h: Remove the prototype for cancel_loop.
6881 * flow.c (recompute_reg_usage): Make it static.
6882 * rtl.h: Remove the prototype for recompute_reg_usage.
6884 * function.c (use_return_register): Make it static.
6885 * function.h: Remove the prototype.
6887 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6889 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6891 * recog.h: Remove the prototype for
6892 validate_change_maybe_volatile.
6894 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6896 * rtlanal.c (replace_reg): Remove.
6897 * rtl.h: Remove the prototype for replace_reg.
6899 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6901 * regclass.c (reg_scan_update): Remove.
6902 (reg_scan_mark_refs): Remove the last argument.
6903 * rtl.h: Remove the prototype for reg_scan_update.
6905 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6907 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6908 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6909 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6910 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6911 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6912 loop-invariant.c, omp-low.c, opts.c, passes.c,
6913 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6914 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6915 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6916 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6917 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6918 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6920 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6922 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6923 * dwarf2out.h: Remove the prototype for
6924 dwarf2out_add_library_unit_info.
6926 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6928 * tree.c (add_var_to_bind_expr): Remove.
6929 * tree.h: Remove the prototype for add_var_to_bind_expr.
6931 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6933 * regclass.c (n_non_fixed_regs): Remove.
6934 (init_reg_sets_1, globalize_reg): Remove all uses of
6936 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6938 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6940 * rtlanal.c (insns_safe_to_move_p): Remove.
6941 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6943 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6945 * expmed.c (expand_mult_add): Remove.
6946 * expr.h: Remove the prototype for expand_mult_add.
6948 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6950 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6951 and REG_SAVED_VAL_EXP constants.
6952 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6953 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6954 Handle regs stored by value.
6955 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6956 (execute_cfa_program): Handle DW_CFA_val_offset,
6957 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6958 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6959 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6960 (uw_install_context_1): Handle target regs stored by value.
6962 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6964 * tree-sra.c (tree_sra): Return todoflags;
6965 (generate_one_element): Set TODO_update_smt_usage if needed.
6966 (pass_sra): Remove TODO_update_smt_usage.
6967 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6969 (tree_ssa_forward_propagate_single_use_vars): Return
6970 TODO_update_smt_usage if we need to update SMT usage.
6971 (pass_forwprop): Remove TODO_update_smt_usage.
6973 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6975 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6976 (correct_use_link): Remove reference to get_stmt_operands.
6977 (update_stmt_operands): Likewise.
6978 (get_modify_expr_operands): New function factored out of
6979 parse_ssa_operands and get_expr_operands.
6980 Try to create V_MUST_DEFs for LHS by default.
6981 (get_expr_operands) <case MODIFY_EXPR>: Call
6982 get_modify_expr_operands.
6983 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6984 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6985 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6986 get_modify_expr_operands.
6988 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6990 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6991 * tree-flow.h: Remove the prototype for
6992 referenced_var_lookup_if_exists.
6994 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6996 PR rtl-optimization/26345
6998 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7000 2006-03-03 Roger Sayle <roger@eyesopen.com>
7002 PR tree-optimization/26524
7003 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7004 fold_convert to create a constant of the appropriate type.
7006 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7008 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7009 SYMBOL_REF_IN_BLOCK_P.
7010 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7011 of SYMBOL_FLAG_IN_BLOCK.
7012 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7013 instead of SYMBOL_REF_IN_BLOCK_P.
7014 * explow.c (use_anchored_address): Likewise.
7015 * rtl.c (rtx_size): Likewise.
7016 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7017 instead of SYMBOL_FLAG_IN_BLOCK.
7018 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7019 SYMBOL_REF_IN_BLOCK_P.
7020 (assemble_variable): Likewise.
7021 (output_constant_def_contents): Likewise.
7022 (output_constant_pool): Likewise.
7023 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7024 instead of SYMBOL_FLAG_IN_BLOCK.
7025 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7026 SYMBOL_REF_IN_BLOCK_P.
7027 (SYMBOL_REF_BLOCK): Likewise.
7028 (SYMBOL_REF_OFFSET): Likewise.
7029 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7030 SYMBOL_REF_IN_BLOCK_P.
7031 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7032 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7033 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7034 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7036 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7038 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7040 2006-03-02 Roger Sayle <roger@eyesopen.com>
7042 * simplify-rtx.c (simplify_unary_operation): When simplifying
7043 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7044 that we perform the right shift in the appropriate mode, and
7045 then extend or truncate the result to requested mode.
7047 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7049 * gengtype.c (main): Handle double_int type.
7050 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7051 * double-int.c: New file.
7052 * double-int.h: New file.
7053 * system.h: Include doubleint.h.
7054 * Makefile.in (SYSTEM_H): Include double-int.h.
7055 (double-int.o): Add.
7057 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7060 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7063 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7065 * tree-vrp.c (remove_range_assertions): Do not update statements
7068 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7070 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7072 * gcse.c (rest_of_handle_gcse): Ditto.
7073 * except.c (gate_handle_eh): Ditto.
7074 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7075 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7077 2006-03-02 Eric Christopher <echristo@apple.com>
7079 * config/i386/i386.c (machopic_output_stub): Add indirection to
7082 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7086 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7088 Sun Niagara specific optimizations.
7089 * config.gcc: Recognize niagara as target.
7090 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7091 (TARGET_CPU_niagara): Define.
7092 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7093 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7094 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7095 (ASM_CPU_SPEC): Likewise.
7096 (PROCESSOR_NIAGARA): New enum entry.
7097 (REGISTER_MOVE_COST): Handle Niagara.
7098 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7099 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7100 (sparc_override_options): Recognize "niagara", set appropriate
7101 default MASK_* values for it, and align functions to 32-bytes
7102 by default just like ULTRASPARC/ULTRASPARC3.
7103 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7104 (sparc64_initialize_trampoline): Likewise.
7105 (sparc_use_sched_lookahead): Use zero for niagara.
7106 (sparc_issue_rate): Use one for niagara.
7107 * config/sparc/niagara.md: New file.
7108 * config/sparc/sparc.md: Include it.
7109 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7110 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7111 when default cpu is niagara.
7112 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7113 (ASM_CPU_SPEC): Likewise.
7114 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7115 when default cpu is niagara.
7116 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7117 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7118 just like v9/ultrasparc/ultrasparc3.
7119 * doc/invoke.texi: Add documentation for "niagara" and improve
7120 existing documentation for ultrasparc variants.
7122 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7124 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7126 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7128 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7129 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7130 and say that only one is needed.
7131 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7132 * target.h (have_switchable_bss_sections): New hook.
7133 * explow.c (use_anchored_address): Check that the symbol is in a block.
7134 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7135 (bss_noswitch_section): New variables.
7136 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7137 (get_noswitch_section): New function.
7138 (get_block_for_section): Allow SECT to be null.
7139 (unlikely_text_section_p): Use SECTION_STYLE.
7140 (bss_initializer_p): New function.
7141 (get_variable_section): Move earlier in file. Take a new argument,
7142 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7143 Return one of the new *_sections in such cases.
7144 (get_block_for_decl): New function, extracting some logic from
7145 use_blocks_for_decl_p.
7146 (change_symbol_section): Remove in favor of...
7147 (change_symbol_block): ...this new function.
7148 (use_blocks_for_decl_p): Remove checks now performed by
7150 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7151 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7152 (emit_local, emit_bss, emit_common): ...these new functions.
7153 Return true if the alignment was honored.
7154 (emit_tls_common): New function.
7155 (asm_emit_uninitialised): Delete.
7156 (assemble_variable_noswitch): New function, split out from...
7157 (assemble_variable): ...here. Don't make decisions about common
7158 variables here. Globalize all public decls that go into non-common
7159 sections. Check whether SYMBOL_REF_BLOCK is null.
7160 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7161 (output_constant_pool): Likewise.
7162 (init_varasm_once): Initialize the new section variables.
7163 (have_global_bss_p): New function.
7164 (categorize_decl_for_section): Use bss_initializer_p.
7165 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7166 (place_block_symbol): Assert that the symbol must be in a block.
7167 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7168 (TARGET_INITIALIZER): Include it.
7169 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7170 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7171 (SECTION_MACH_DEP): Bump by two.
7172 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7173 (unnamed_section): Mention SECTION_UNNAMED in comment.
7174 (named_section): Likewise SECTION_NAMED.
7175 (noswitch_section_callback): New type.
7176 (noswitch_section): New structure.
7177 (section): Add a noswitch_section alternative.
7178 (SECTION_STYLE): New macro.
7179 (tls_comm_section, comm_section, lcomm_section): Declare.
7180 (bss_noswitch_section, have_global_bss_p): Declare.
7181 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7182 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7184 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7185 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7188 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7190 * tree-vrp.c (execute_vrp): Return value.
7191 * regrename.c (rest_of_handle_regrename): Ditto.
7192 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7193 * tree-complex.c (tree_lower_complex): Ditto.
7194 (tree_lower_complex_O0): Ditto.
7195 * tracer.c (rest_of_handle_tracer): Ditto.
7196 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7197 * postreload.c (rest_of_handle_postreload): Ditto.
7198 * tree-tailcall.c (execute_tail_recursion): Ditto.
7199 (execute_tail_calls): Ditto.
7200 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7201 * tree.h (init_function_for_compilation): Ditto.
7202 * ipa-cp.c (ipcp_driver): Ditto.
7203 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7204 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7205 * final.c (compute_alignments): Ditto.
7206 (rest_of_handle_final): Ditto.
7207 (rest_of_handle_shorten_branches): Ditto.
7208 (rest_of_clean_state): Ditto.
7209 * omp-low.c (execute_expand_omp): Ditto.
7210 (execute_lower_omp): Ditto.
7211 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7212 * ipa-reference.c (static_execute): Ditto.
7213 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7214 * reorg.c (rest_of_handle_delay_slots): Ditto.
7215 (rest_of_handle_machine_reorg): Ditto.
7216 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7217 * flow.c (recompute_reg_usage): Ditto.
7218 (rest_of_handle_remove_death_notes): Ditto.
7219 (rest_of_handle_life): Ditto.
7220 (rest_of_handle_flow2): Ditto.
7221 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7222 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7223 (do_ssa_store_ccp): Ditto.
7224 (execute_fold_all_builtins): Ditto.
7225 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7226 * modulo-sched.c (rest_of_handle_sms): Ditto.
7227 * ipa-pure-const.c (static_execute): Ditto.
7228 * cse.c (rest_of_handle_cse): Ditto.
7229 (rest_of_handle_cse2): Ditto.
7230 * web.c (rest_of_handle_web): Ditto.
7231 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7232 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7233 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7234 * tree-nrv.c (tree_nrv): Ditto.
7235 (execute_return_slot_opt): Ditto.
7236 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7237 (create_structure_vars): Ditto.
7238 * loop-init.c (rtl_loop_init): Ditto.
7239 (rtl_loop_done): Ditto.
7240 (rtl_move_loop_invariants): Ditto.
7241 (rtl_unswitch): Ditto.
7242 (rtl_unroll_and_peel_loops): Ditto.
7243 (rtl_doloop): Ditto.
7244 * gimple-low.c (lower_function_body): Ditto.
7245 (mark_used_blocks): Ditto.
7246 * tree-ssa-sink.c (execute_sink_code): Ditto.
7247 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7248 (cgraph_early_inlining): Ditto.
7249 * global.c (rest_of_handle_global_alloc): Ditto.
7250 * jump.c (cleanup_barriers): Ditto.
7251 (purge_line_number_notes): Ditto.
7252 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7253 (rest_of_handle_if_after_reload): Ditto.
7254 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7255 (tree_ssa_loop_im): Ditto.
7256 (tree_ssa_loop_unswitch): Ditto.
7257 (tree_vectorize): Ditto.
7258 (tree_linear_transform): Ditto.
7259 (tree_ssa_loop_ivcanon): Ditto.
7260 (tree_ssa_empty_loop): Ditto.
7261 (tree_ssa_loop_bounds): Ditto.
7262 (tree_complete_unroll): Ditto.
7263 (tree_ssa_loop_prefetch): Ditto.
7264 (tree_ssa_loop_ivopts): Ditto.
7265 (tree_ssa_loop_done): Ditto.
7266 * predict.c (tree_estimate_probability): Ditto.
7267 * recog.c (split_all_insns_noflow): Ditto.
7268 (rest_of_handle_peephole2): Ditto.
7269 (rest_of_handle_split_all_insns): Ditto.
7270 * tree-eh.c (lower_eh_constructs): Ditto.
7271 * regmove.c (rest_of_handle_regmove): Ditto.
7272 (rest_of_handle_stack_adjustments): Ditto.
7273 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7274 * function.c (instantiate_virtual_regs): Ditto.
7275 (init_function_for_compilation): Ditto.
7276 (rest_of_handle_check_leaf_regs): Ditto.
7277 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7278 (rest_of_handle_gcse): Ditto.
7279 * ipa-type-escape.c (type_escape_execute): Ditto.
7280 * alias.c (rest_of_handle_cfg): Ditto.
7281 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7282 * profile.c (rest_of_handle_branch_prob): Ditto.
7283 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7284 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7285 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7286 * tree-dfa.c (find_referenced_vars): Ditto.
7287 * except.c (set_nothrow_function_flags): Ditto.
7288 (convert_to_eh_region_ranges): Ditto.
7289 (rest_of_handle_eh): Ditto.
7290 * emit-rtl.c (unshare_all_rtl): Ditto.
7291 (remove_unnecessary_notes): Ditto.
7292 * except.h (set_nothrow_function_flags): Ditto.
7293 (convert_to_eh_region_ranges): Ditto.
7294 * cfgexpand.c (tree_expand_cfg): Ditto.
7295 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7296 * tree-ssa-pre.c (do_pre): Ditto.
7297 (execute_fre): Ditto.
7298 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7299 (rest_of_handle_jump2): Ditto.
7300 * tree-sra.c (tree_sra): Ditto.
7301 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7302 (execute_mudflap_function_decls): Ditto.
7303 * tree-ssa-copy.c (do_copy_prop): Ditto.
7304 (do_store_copy_prop): Ditto.
7305 * ipa-prop.h (ipcp_driver): Ditto.
7306 * cfglayout.c (insn_locators_initialize): Ditto.
7307 * tree-ssa-forwprop.c
7308 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7309 * cfglayout.h (insn_locators_initialize): Ditto.
7310 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7311 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7312 (execute_late_warn_uninitialized): Ditto.
7313 * rtl.h (cleanup_barriers): Ditto.
7314 (split_all_insns_noflow): Ditto.
7315 (purge_line_number_notes): Ditto.
7316 (unshare_all_rtl): Ditto.
7317 (remove_unnecessary_notes): Ditto.
7318 (recompute_reg_usage): Ditto.
7319 (variable_tracking_main): Ditto.
7320 * integrate.c (emit_initial_value_sets): Ditto.
7321 * integrate.h (emit_initial_value_sets): Ditto.
7322 * tree-optimize.c (execute_free_datastructures): Ditto
7323 (execute_free_cfg_annotations): Ditto.
7324 (execute_fixup_cfg): Ditto.
7325 (execute_cleanup_cfg_pre_ipa): Ditto.
7326 (execute_cleanup_cfg_post_optimizing): Ditto.
7327 (execute_init_datastructures): Ditto.
7328 * tree-object-size.c (compute_object_sizes): Ditto.
7329 * combine.c (rest_of_handle_combine): Ditto.
7330 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7331 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7332 (rest_of_handle_reorder_blocks): Ditto.
7333 (rest_of_handle_partition_blocks): Ditto.
7334 * var-tracking.c (variable_tracking_main): Ditto.
7335 * tree-profile.c (tree_profiling): Ditto.
7336 * tree-vect-generic.c (expand_vector_operations): Ditto.
7337 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7338 * sched-rgn.c (rest_of_handle_sched): Ditto.
7339 (rest_of_handle_sched2): Ditto.
7340 * basic-block.h (free_bb_insn): Ditto.
7341 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7342 * tree-cfg.c (execute_build_cfg): Ditto.
7343 (remove_useless_stmts): Ditto.
7344 (split_critical_edges): Ditto.
7345 (execute_warn_function_return): Ditto.
7346 (execute_warn_function_noreturn): Ditto.
7347 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7348 * cfgrtl.c (free_bb_for_insn): Ditto.
7349 * passes.c (execute_one_pass): Run additional
7350 todos returned by execute function.
7351 * tree-pass.h (struct tree_opt_pass): Make execute
7354 2006-03-02 Richard Guenther <rguenther@suse.de>
7356 * tree-ssa-alias.c (find_used_portions): Consider taking
7357 the address as making the variable not write-only.
7359 2006-03-02 Nick Clifton <nickc@redhat.com>
7361 * config.gcc (default_use_cxa_atexit): Extend the description of
7362 this configure variable. Set its default value to "yes" for
7363 Linux, NetBSD and ELF targets on the assumption that they will
7364 use C libraries with the __cxa_atexit function.
7366 2006-03-02 Ben Elliston <bje@au.ibm.com>
7368 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7369 parameter as unused to suppress a build warning.
7371 2006-03-02 Ben Elliston <bje@au.ibm.com>
7373 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7376 2006-03-01 Roger Sayle <roger@eyesopen.com>
7379 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7380 declared name, the weak reference name, and the typeof name.
7381 (__gthrw): Avoid expanding the declared name suffix.
7382 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7384 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7386 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7388 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7389 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7390 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7391 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7392 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7393 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7394 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7395 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7396 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7397 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7398 (DW_END_default, DW_END_big, DW_END_little): New.
7399 (DW_END_lo_user, DW_END_hi_user): Define.
7400 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7401 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7402 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7405 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7407 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7409 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7411 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7413 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7415 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7416 to 'symbol_mem_tag'.
7418 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7421 2006-03-01 Roger Sayle <roger@eyesopen.com>
7423 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7425 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7428 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7429 MACHO_DYNAMIC_NO_PIC_P.
7430 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7432 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7435 * config/darwin-protos.h (darwin_asm_output_anchor):
7437 * config/darwin-sections.def (cstring_section):
7438 Add SECTION_MERGE to the flags.
7439 (literal4_section): Likewise.
7440 (literal8_section): Likewise.
7441 (objc_selector_refs_section): Likewise.
7442 (objc_cls_refs_section): Likewise.
7443 * config/darwin.c (darwin_asm_output_anchor): New
7445 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7447 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7449 Fix PR tree-optimization/26443
7450 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7451 to todo and PROP_tmt_usage to properties_destroyed.
7452 * tree-ssa-ccp.c (pass_ccp): Ditto.
7453 (pass_store_ccp): Ditto.
7454 * tree-ssa-dom.c (pass_dominator): Ditto.
7456 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7458 * tree-ssa-operands.c: Cleanup whitespace.
7459 (get_asm_expr_operands): Move before first invocation.
7460 (get_indirect_ref_operands): Likewise.
7461 (get_tmr_operands): Likewise.
7462 (get_call_expr_operands): Likewise.
7463 (append_def): Likewise.
7464 (append_use): Likewise.
7465 (append_v_may_def): Likewise.
7466 (append_v_must_def): Likewise.
7467 (add_call_clobber_ops): Likewise.
7468 (add_call_read_ops): Likewise.
7469 (add_stmt_operand): Likewise.
7470 (add_virtual_operand): Likewise.
7471 (build_ssa_operands): Likewise.
7473 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7478 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7479 with a call expr to ...
7480 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7482 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7484 * tree-vrp.c (extract_range_from_assert): Remove special
7485 handling for types with super-types.
7487 2006-03-01 Ben Elliston <bje@au.ibm.com>
7489 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7490 and powerpc64-*-linux* configurations.
7491 * config/t-dfprules: New file.
7493 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7494 Compile dfp-bit.c from the source directory using -DWIDTH and
7495 $DFP_CFLAGS to control the compilation of that file, rather than
7496 generating width-specific versions in the build directory.
7497 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7498 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7500 2006-02-28 Zack Weinberg <zackw@panix.com>
7502 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7505 2006-02-28 Eric Christopher <echristo@apple.com>
7507 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7508 Set up IN_LIBGCC definition of TARGET_64BIT.
7509 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7511 2006-02-28 Roger Sayle <roger@eyesopen.com>
7514 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7515 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7516 cases via the construction of "expr != 0".
7518 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7520 * alias.c (alias_invariant, alias_invariant_size): Remove.
7521 (record_base_value): Remove.
7522 (memrefs_conflict_p): Don't look at alias_invariant.
7523 (end_alias_analysis): Don't free it.
7524 * alias.h (record_base_value): Remove prototype.
7526 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7527 Adam Nemet <anemet@caviumnetworks.com>
7529 * rtl.h (truncated_to_mode): Declare it.
7530 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7531 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7532 (RTL_HOOKS_INITIALIZER): Include it.
7533 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7534 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7535 reg_truncated_to_mode.
7536 * rtlanal.c (truncated_to_mode): Define it.
7537 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7539 2006-02-28 Jeff Law <law@redhat.com>
7541 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7542 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7543 the range allowed by TYPE_PRECISION.
7545 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7547 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7549 PR tree-optimization/26419
7550 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7553 2006-02-27 Zack Weinberg <zackw@panix.com>
7555 * doc/md.texi: Fix typo in previous change.
7557 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7561 2006-02-27 Zack Weinberg <zackw@panix.com>
7563 * rtl.def (define_constraint, define_register_constraint)
7564 (define_memory_constraint, define_address_constraint): New MD forms.
7565 * gensupport.c (process_rtx): Put define_constraint etc on the
7567 * genpreds.c (process_define_predicate): Adjust comment. Validate
7568 the name, and call validate_exp to validate the expression.
7569 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7570 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7571 all callers changed.
7572 (validate_exp, needs_variable, struct constraint_data)
7573 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7574 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7575 (const_dbl_constraints, constraint_max_namelen)
7576 (have_register_constraints, have_memory_constraints)
7577 (have_address_constraints, have_address_constraints)
7578 (have_extra_constraints, have_const_int_constraints)
7579 (have_const_dbl_constraints, mangle, add_constraint)
7580 (process_define_constraint, process_define_register_constraint)
7581 (write_enum_constraint_num, write_lookup_constraint)
7582 (write_insn_constraint_len, write_regclass_for_constraint)
7583 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7584 (write_insn_extra_memory_constraint)
7585 (write_insn_extra_address_constraint)
7586 (write_satisfies_constraint_fns): New.
7587 (write_tm_preds_h): If we have new-style constraint definitions,
7588 prototype the functions generated from them, and define the
7589 old constraint interface (still used by generic code) in terms of
7591 (write_insn_preds_c): If we have new-style constraint definitions,
7592 generate all relevant functions from those definitions.
7593 (main): Handle define_constraint etc.
7594 * genoutput.c (struct constraint_data, indep_constraints)
7595 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7596 (mdep_constraint_len): New data structures and functions, defined
7597 #ifdef USE_MD_CONSTRAINTS.
7598 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7599 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7600 use new logic to validate operand constraints against constraint
7602 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7604 * defaults.h: If none of the old-style constraint macros are
7605 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7606 old-style macros; and poison REG_CLASS_FROM_LETTER,
7607 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7609 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7610 * doc/md.texi: Document new constraint-definition mechanism and the
7611 C interface it provides. Remove references to old mechanism
7612 elsewhere in the document.
7613 (Machine Constraints): Use pathnames relative to gcc directory,
7614 i.e. config/ARCH/FILE. Change i386 section to refer to
7615 config/i386/predicates.md; update that section to match docstrings.
7616 * doc/tm.texi: Move all documentation of the old constraint-
7617 definition macros to their own section, clearly mark as obsolete.
7619 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7620 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7622 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7623 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7624 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7626 (splits and peepholes): Use satisfies_constraint_*.
7627 * config/i386/i386.c (memory_address_length)
7628 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7630 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7632 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7633 scalar operation to be put back into the loop.
7635 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7638 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7639 (extract_cie_info): Handle S flag in augmentation string.
7640 (execute_cfa_program): If context->signal_frame, execute also
7641 fs->pc == context->ra instructions.
7642 (uw_frame_state_for): If context->signal_frame, don't subtract one
7643 from context->ra to find FDE.
7644 (uw_update_context_1): Set context->signal_frame to
7646 (_Unwind_GetIPInfo): New function.
7647 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7648 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7650 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7651 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7652 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7653 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7654 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7655 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7656 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7657 x86_64_fallback_frame_state): Set fs->signal_frame.
7658 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7659 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7660 (frob_update_context): Likewise. Workaround missing S flag in
7661 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7662 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7663 Remove the psw_addr + 1 hack.
7665 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7667 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7668 with aggregates here.
7669 (find_func_aliases): Remove code for &<aggregate> from here.
7671 2006-02-26 Roger Sayle <roger@eyesopen.com>
7673 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7674 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7675 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7678 2006-02-26 Roger Sayle <roger@eyesopen.com>
7681 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7683 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7685 * opts.c (decode_options): Do not handle flag_strength_reduce.
7686 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7687 and OPT_fstrength_reduce.
7688 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7689 flag_prefetch_loop_arrays for being nonzero.
7690 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7692 (fprefetch-loop-arrays-rtl): Removed.
7693 (flag_prefetch_loop_arrays): Do not specify the value.
7695 * doc/passes.texi: Update documentation of loop optimizer
7697 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7698 -frerun-loop-opt): Remove.
7700 2006-02-26 Richard Guenther <rguenther@suse.de>
7702 PR tree-optimization/26421
7703 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7704 in function calls that are ADDR_EXPRs as using the whole structure.
7706 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7708 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7709 * tree-pass.h (pass_loop_optimize): Remove.
7710 * passes.c (pass_loop_optimize): Never run it.
7711 * toplev.c (backend_init): Don't call init_loop.
7712 * opts.c (flag_loop_optimize_set): Remove.
7713 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7714 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7715 the old RTL loop optimizer when profiling enabled.
7716 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7717 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7718 pre-headers for the sake of the old RTL loop optimizer.
7719 * Makefile.in: Remove all references to loop.o.
7721 * doc/invoke.texi: Remove all references to -floop-optimize
7722 and -frerun-loop-opt.
7724 2006-02-26 Zack Weinberg <zackw@panix.com>
7726 * doc/md.texi (Machine Constraints): Refer to all files with paths
7727 relative to gcc directory (i.e. config/CPU/file). Add missing
7728 @table @code ... @end table to M32C subsection.
7730 2006-02-26 Roger Sayle <roger@eyesopen.com>
7732 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7734 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7736 2006-02-26 Roger Sayle <roger@eyesopen.com>
7737 James A. Morrison <phython@gcc.gnu.org>
7740 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7741 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7742 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7743 signedness of the shift operation.
7745 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7747 PR tree-optimization/26359
7748 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7750 2006-02-25 Roger Sayle <roger@eyesopen.com>
7752 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7753 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7754 as X == 0, and some symmetry related transformations.
7755 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7757 2006-02-25 Roger Sayle <roger@eyesopen.com>
7760 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7761 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7762 symmetry related transformations. Fold (X^C1) == C2 as
7765 2006-02-25 Juergen Weigert <jw@suse.de>
7766 Richard Guenther <rguenther@suse.de>
7768 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7770 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7772 * combine.c (gen_lowpart_or_truncate): Call
7773 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7775 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7777 * doc/invoke.texi: Move -fopenmp description to "Options for
7779 Remove reference to -lgomp.
7781 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7783 * doc/install.texi: Require GNU tar version 1.14.
7785 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7787 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7788 * doc/invoke.texi (C++ Dialect Options): Document
7789 -fno-use-cxa-get-exception-ptr.
7790 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7791 * configure: Regenerate.
7792 * c.opt (fuse-cxa-get-exception-ptr): New.
7793 * c-opts.c (c_common_handle_option): Handle
7794 OPT_fuse_cxa_get_exception_ptr.
7795 * c-common.c (flag_use_cxa_atexit): Update documentation.
7796 (flag_use_cxa_get_exception_ptr): New.
7797 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7798 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7800 (C_COMMON_OVERRIDE_OPTIONS): New.
7802 2006-02-24 Roger Sayle <roger@eyesopen.com>
7805 * combine.c (try_combine): Explicitly check whether GET_CODE is
7806 a SET or a CLOBBER, instead on checking that it isn't a USE.
7808 2006-02-24 Roger Sayle <roger@eyesopen.com>
7810 * fold-const.c (fold_comparison): New subroutine of fold_binary
7811 containing transformations common to both the equality and
7812 ordering relational operators, factored out of fold_binary.
7813 (fold_binary): Separate out the equality operators (EQ_EXPR
7814 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7815 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7816 transformations common to both.
7817 (fold_div_compare): Fix latent bugs in the previously unreachable
7818 LT_EXPR and GE_EXPR cases.
7820 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7822 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7823 decl libname for clog to __clog on AIX.
7825 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7827 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7830 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7831 output traceback table for thunks. Localise rs6000_stack_info call.
7833 2006-02-23 Roger Sayle <roger@eyesopen.com>
7834 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7836 * gthr-posix.h (__gthrw): Fix typo in comment.
7838 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7840 * doc/cpp.texi (Character sets): Document that we do support
7841 input files to be in any character set.
7843 2006-02-23 Jeff Law <law@redhat.com>
7845 * tree.h (PHI_ARG_NONZERO): Remove.
7846 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7847 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7848 node to the new node.
7850 PR tree-optimization/26425
7851 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7852 min/max, then assume its varying.
7854 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7856 PR rtl-optimization/26316
7857 * rtlanal.c (enum may_trap_p_flags): New.
7858 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7859 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7860 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7861 (may_trap_after_code_motion_p): New function.
7862 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7863 (find_invariant_insn): Use may_trap_after_code_motion_p.
7864 * rtl.h (may_trap_after_code_motion_p): Declare.
7866 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7868 * emit-rtl.c (immed_double_const): Cleanup.
7870 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7872 Fix PR tree-optimization/26376
7873 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7876 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7879 * gimplify.c (omp_add_variable): Guard variable size decl test with
7880 DECL_SIZE (decl) check.
7882 2006-02-23 Richard Guenther <rguenther@suse.de>
7885 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7886 like aggregate types.
7888 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7890 * configure.ac: Add --with{,out}-long-double-128 configure option.
7891 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7892 * configure: Rebuilt.
7893 * config.in: Rebuilt.
7894 * doc/install.texi (Options specification): Document
7895 --with-long-double-128.
7897 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7898 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7899 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7900 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7902 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7904 * config/s390/s390.c (override_options): Handle
7905 TARGET_DEFAULT_LONG_DOUBLE_128.
7907 * config/alpha/alpha.c (override_options): Handle
7908 TARGET_DEFAULT_LONG_DOUBLE_128.
7910 * config/sparc/sparc.c (sparc_override_options): Handle
7911 TARGET_DEFAULT_LONG_DOUBLE_128.
7913 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7915 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7916 (real-install-headers-tar, real-install-headers-cpio)
7917 (real-install-headers-cp): New targets.
7919 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7921 * tree.h (variable_section): Delete.
7922 * varasm.c (variable_section): Delete.
7924 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7926 * install.texi: Add notes on install.texi2html.
7927 (Building in parallel): Do not use footnotes.
7929 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7932 * doc/install.texi (Configuration): Document --disable-libgomp.
7934 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7936 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7938 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7940 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7941 (vec_extractv2df_0_sse): New.
7943 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7945 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7946 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7947 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7948 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7949 to the result of the expression.
7950 (def_cfa_1): Adjust.
7951 (frame_pointer_cfa_offset): Rename to...
7952 (frame_pointer_fb_offset): ... this. Adjust all uses.
7953 (convert_cfa_to_loc_list): Rename to...
7954 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7955 Pass it on to build_cfa_loc.
7956 (compute_frame_pointer_to_cfa_displacement): Rename to...
7957 (compute_frame_pointer_to_fb_displacement): ... this. New
7958 offset parameter. Use it in computation.
7959 (gen_subprogram_die): Compute cfa_fb_offset with the new
7960 macro, and use it to compute the fb loc list and the
7963 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7965 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7966 replaced with register_operand.
7967 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7968 non-DREG is expensive.
7969 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7970 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7973 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7975 * doc/install.texi2html: Use set -e.
7977 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7979 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7980 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7981 * doc/invoke.texi (-fshared-data): Delete.
7982 * common.opt (fshared-data): Delete.
7983 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7984 (assemble_static_space): Remove #if 0 code.
7985 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7986 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7987 * config/cris/cris.h: Remove FIXME.
7989 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7991 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7994 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7997 * combine.c (simplify_shift_const_1): Disable nested shifts
7998 optimization for vector shifts.
8000 2006-02-20 Roger Sayle <roger@eyesopen.com>
8002 PR tree-optimization/26361
8003 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8004 of unsigned integer types.
8006 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8008 * tree-chrec.c (eq_evolutions_p): New.
8009 * tree-chrec.h (eq_evolutions_p): Declared.
8010 * tree-data-ref.c: Fix formatting.
8011 (datadep_stats, dependence_stats): New.
8013 (print_direction_vector): New.
8014 (dump_data_dependence_relation): Use print_direction_vector.
8015 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8016 (compute_subscript_distance): Static.
8017 (initialize_data_dependence_relation): Static. Get the number
8018 of loops surrounding the references from the callers, and initialize
8019 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8020 base_object_differ_p analyzers.
8021 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8022 compute_overlap_steps_for_affine_1_2,
8023 analyze_subscript_affine_affine): Count the classified dependences.
8024 Print a message when a test failed.
8025 (can_use_analyze_subscript_affine_affine): New.
8026 (analyze_siv_subscript): Compute the data dependences on symbolic
8027 scevs that verify can_use_analyze_subscript_affine_affine.
8028 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8029 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8030 Handle symbolic scevs.
8031 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8033 (subscript_dependence_tester): Moved...
8034 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8035 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8036 DDR_SIZE_VECT instead of getting it in parameter.
8037 (subscript_dependence_tester): ... here. Take as a parameter
8038 loop_nest_depth. Call build_classic_dist_vector and
8039 build_classic_dir_vector.
8040 (compute_affine_dependence): Update subscript_dependence_tester
8041 parameters. Update datadep_stats counters. Call
8042 compute_subscript_distance.
8043 (compute_self_dependence): Save the dist and dir vectors. Call
8044 compute_subscript_distance.
8045 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8046 (compute_all_dependences): Reorder parameters as they were before
8047 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8048 compute_subscript_distance. Update the use of
8049 compute_affine_dependence and initialize_data_dependence_relation.
8050 (find_data_references_in_loop): Handle COMPONENT_REF.
8051 (compute_data_dependences_for_loop): Initialize dependence_stats.
8052 Don't call build_classic_dist_vector and build_classic_dir_vector.
8053 Update the parameters of initialize_data_dependence_relation and
8054 compute_all_dependences. Print the statistics from datadep_stats.
8055 (analyze_all_data_dependences): Static. Not used until the pass for
8056 checking the data dependences is contributed.
8057 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8058 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8059 (initialize_data_dependence_relation, compute_affine_dependence,
8060 analyze_all_data_dependences, compute_subscript_distance): Removed.
8061 (print_direction_vector): New.
8062 * lambda.h (gcd): ... here.
8063 (lambda_vector_gcd): Moved here from gcd_vector.
8064 * lambda-code.c (gcd, gcd_vector): Removed.
8065 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8066 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8068 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8070 * ipa-type-escape.c: Tidy some comments and white space.
8071 * tree-ssa-operands.c: Likewise.
8073 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8076 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8077 (dump_decl_name): Do not walk the decl tree chains.
8078 * tree-pass.h (TDF_CHAIN): Remove.
8080 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8082 * Makefile.in (C): Remove
8084 (.PHONY): Remove C and PROTO
8086 2006-02-20 Roger Sayle <roger@eyesopen.com>
8089 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8090 deprecated CHAR_TYPE tree code.
8092 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8094 * configure.ac (target_list): Add install-info, dvi, html.
8095 * configure: Regenerate.
8097 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8098 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8099 treelang/Make-lang.in: Do not use double-colon rules.
8101 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8103 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8104 (TMT_USED_ALONE): New macro.
8105 * tree-pass.h (PROP_tmt_usage): New property.
8106 (TODO_update_tmt_usage): New todo.
8107 * tree-ssa-alias.c (updating_used_alone): New variable.
8108 (recalculate_used_alone): New function.
8109 (compute_may_aliases): Set updating_used_alone, call
8110 recalculate_used_alone.
8111 * tree-sra.c (pass_sra): Note that this pass destroys
8112 PROP_tmt_usage, and add TODO_update_tmt_usage.
8113 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8114 * tree-flow.h (updating_used_alone): Prototype.
8115 (recalculate_used_alone): Ditto.
8116 * passes.c (execute_todo): Add code to set updating_used_alone,
8117 and call recalculate.
8118 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8119 for clobber if used alone, and add assert to verify used_alone
8122 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8124 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8125 for non tls symbols added.
8126 (legitimize_address): Do nothing for PLUS expressions if one of the
8127 addends is a tls symbol reference.
8129 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8133 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8135 * Makefile.in (BOOTSTRAPPING): New.
8136 (quickstrap): New definition if BOOTSTRAPPING=yes.
8138 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8139 * configure.ac: Substitute all_selected_languages with the languages
8140 that were configured. For all the other variables except
8141 lang_specs_files, include all the languages in the tree.
8142 * configure: Regenerate.
8144 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8145 if there is one. Run the commands to run fixincludes in the same
8148 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8149 * doc/install.texi: Document exact conventions for searching target tools.
8150 Document --with-build-time-tools. Document toplevel bootstrap. Document
8151 something more about building an Ada cross-compiler. Don't list GNU Make
8152 requirements which affect all platforms.
8154 2006-02-19 Roger Sayle <roger@eyesopen.com>
8157 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8158 only equivalent if the have both the same mode and precision.
8160 2006-02-20 Ben Elliston <bje@au.ibm.com>
8162 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8164 2006-02-19 Roger Sayle <roger@eyesopen.com>
8165 Steven Bosscher <stevenb.gcc@gmail.com>
8167 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8168 constant pool references to identify stack mode constants.
8169 * rtlanal.c (constant_pool_constant_p): New predicate to check
8170 whether operand is a floating point constant in the pool.
8171 * rtl.h (constant_pool_constant_p): Prototype here.
8172 * loop.c (scan_loop): Avoid hoisting constants from the constant
8173 pool on STACK_REGS targets.
8174 (load_mems): Likewise.
8175 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8176 loads into x87 registers expensive in terms of register pressure.
8178 2006-02-19 Roger Sayle <roger@eyesopen.com>
8180 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8181 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8183 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8185 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8186 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8188 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8190 * doc/invoke.texi: Document -fipa-pta.
8191 * common.opt: Add ipa-pta option.
8192 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8193 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8194 (do_ds_constraint): Ditto.
8195 (get_constraint_for): Only add to referenced_vars if
8196 referenced_vars exists.
8197 (insert_into_field_list): Rewrite to do this unsorted.
8198 (insert_into_field_list_sorted): Rename old insert_into_field_list
8200 (create_function_info_for): Use insert_into_field_list_sorted.
8201 (create_variable_info_for): Rewrite so it uses unsorted version,
8202 since the field list is sorted.
8203 (intra_create_variable_infos): Only add to referenced_vars if
8204 referenced_vars exists.
8205 (ipa_pta_execute): Init heapvars, and delete when done.
8206 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8208 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8210 * doc/install.texi: Add missing `@samp'.
8212 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8214 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8217 2006-02-18 Mark Wielaard <mark@klomp.org>
8219 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8220 who added new 4.1 features, bug fixes and integration support.
8222 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8225 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8228 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8230 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8231 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8232 (copy_insn_1): Likewise. Don't copy each field individually.
8234 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8236 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8237 * rtl.c (rtx_size): Rename variable to...
8238 (rtx_code_size): ...this.
8239 (rtx_size): New function.
8240 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8241 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8243 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8244 * rtl.h (rtx_code_size): New variable.
8245 (rtx_size): Change from a variable to a function.
8246 (RTX_SIZE): Rename to...
8247 (RTX_CODE_SIZE): ...this.
8250 PR tree-optimization/17106
8251 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8252 (Anchored Addresses): New section.
8253 * doc/invoke.texi (-fsection-anchors): Document.
8254 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8255 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8256 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8257 * hooks.c (hook_bool_mode_rtx_false): New function.
8258 * hooks.h (hook_bool_mode_rtx_false): Declare.
8259 * gengtype.c (create_optional_field): New function.
8260 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8261 SYMBOL_REF_IN_BLOCK_P is true.
8262 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8263 (min_anchor_offset, max_anchor_offset): Likewise.
8264 (use_anchors_for_symbol_p): New hook.
8265 * toplev.c (compile_file): Call output_object_blocks.
8266 (target_supports_section_anchors_p): New function.
8267 (process_options): Check that -fsection-anchors is only used on
8268 targets that support it and when -funit-at-a-time is in effect.
8269 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8270 if the decl doesn't have one.
8271 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8272 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8273 of force_const_mem through use_anchored_address.
8274 (expand_expr_constant): New function.
8275 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8276 calling expand_expr for INDIRECT_REF.
8277 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8278 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8279 * expr.h (use_anchored_address): Declare.
8280 * loop-unroll.c: Don't declare rtx vectors here.
8281 * explow.c: Include output.h.
8282 (validize_mem): Call use_anchored_address.
8283 (use_anchored_address): New function.
8284 * common.opt (-fsection-anchors): New switch.
8285 * varasm.c (object_block_htab, anchor_labelno): New variables.
8286 (hash_section, object_block_entry_eq, object_block_entry_hash)
8287 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8288 (use_blocks_for_decl_p, change_symbol_section): New functions.
8289 (get_variable_section): New function, split out from assemble_variable.
8290 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8291 use_blocks_for_decl_p say so. Use change_symbol_section if the
8292 symbol has already been created.
8293 (assemble_variable_contents): New function, split out from...
8294 (assemble_variable): ...here. Don't output any code for
8295 block symbols; just pass them to place_block_symbol.
8296 Use get_variable_section and assemble_variable_contents.
8297 (get_constant_alignment, get_constant_section, get_constant_size): New
8298 functions, split from output_constant_def_contents.
8299 (build_constant_desc): Create a block symbol if use_object_blocks_p
8300 says so. Or into SYMBOL_REF_FLAGS.
8301 (assemble_constant_contents): New function, split from...
8302 (output_constant_def_contents): ...here. Don't output any code
8303 for block symbols; just pass them to place_section_symbol.
8304 Use get_constant_section and get_constant_alignment.
8305 (force_const_mem): Create a block symbol if use_object_blocks_p and
8306 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8307 (output_constant_pool_1): Add an explicit alignment argument.
8308 Don't switch sections here.
8309 (output_constant_pool): Adjust call to output_constant_pool_1.
8310 Switch sections here instead. Don't output anything for block symbols;
8311 just pass them to place_block_symbol.
8312 (init_varasm_once): Initialize object_block_htab.
8313 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8314 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8315 (place_block_symbol, get_section_anchor, output_object_block)
8316 (output_object_block_htab, output_object_blocks): New functions.
8317 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8318 (TARGET_ASM_OUT): Include it.
8319 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8320 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8321 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8322 (TARGET_INITIALIZER): Include them.
8323 * rtl.c (rtl_check_failed_block_symbol): New function.
8324 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8325 (block_symbol, object_block): New structures.
8326 (rtx_def): Add a block_symbol field to the union.
8327 (BLOCK_SYMBOL_CHECK): New macro.
8328 (rtl_check_failed_block_symbol): Declare.
8329 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8330 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8331 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8332 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8333 * output.h (output_section_symbols): Declare.
8334 (object_block): Name structure.
8335 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8336 (default_use_anchors_for_symbol_p): Declare.
8337 * Makefile.in (RTL_BASE_H): Add vec.h.
8338 (explow.o): Depend on output.h.
8339 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8340 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8341 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8342 (rs6000_use_blocks_for_constant_p): New function.
8344 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8346 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8348 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8351 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8354 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8356 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8360 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8363 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8364 instead of DECL_REGISTER.
8366 2006-02-18 Olivier Hainque <hainque@adacore.com>
8369 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8371 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8374 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8375 * opth-gen.awk: Handle Var and InverseMask together.
8376 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8377 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8378 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8379 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8381 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8382 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8383 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8384 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8385 LINUX_DYNAMIC_LINKER): Define.
8386 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8387 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8389 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8390 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8391 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8393 (TARGET_C99_FUNCTIONS): Don't define.
8394 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8395 GLIBC_DYNAMIC_LINKER.
8396 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8397 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8398 GLIBC_DYNAMIC_LINKER64): Define.
8399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8400 LINUX_DYNAMIC_LINKER64.
8401 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8402 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8403 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8404 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8405 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8407 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8408 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8409 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8411 and LINUX_DYNAMIC_LINKER32.
8412 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8414 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8416 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8418 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8419 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8420 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8421 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8422 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8423 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8424 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8425 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8426 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8427 LINUX_DYNAMIC_LINKER): Define.
8428 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8429 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8430 GLIBC_DYNAMIC_LINKER64): Define.
8431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8432 LINUX_DYNAMIC_LINKER64.
8433 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8434 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8435 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8436 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8437 LINUX_DYNAMIC_LINKER): Define.
8438 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8439 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8440 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8441 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8442 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8443 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8444 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8445 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8446 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8447 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8449 * doc/invoke.texi (-muclibc): Remove caveat about supported
8452 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8454 * doc/cpp.texi (__TIMESTAMP__): Document.
8456 2006-02-17 Roger Sayle <roger@eyesopen.com>
8459 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8460 C is one less than the width of X (and related transformations).
8461 * simplify-rtx.c (simplify_unary_operation_1): Transform
8462 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8463 depending on STORE_FLAG_VALUE, were C is one less then the
8466 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8468 Fix PR tree-optimization/26341
8469 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8470 about NAME_MEMORY_TAG's.
8472 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8475 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8476 with hardware float support, and software float support. Add fcpy
8477 alternative to hardware patterns. Add alternatives to copy between
8478 general and floating-point registers to the 32-bit pattern.
8479 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8480 secondary reload to load a QI or HI mode constant into a floating
8482 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8483 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8485 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8488 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8490 (load_macho_picbase_di): Likewise.
8492 2006-02-16 Jeff Law <law@redhat.com>
8494 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8495 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8496 (ssa_name_nonzero_p): Likewise.
8497 (get_value_range): Return NULL if VRP is not running.
8498 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8499 VRP routines do not discover a range.
8500 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8501 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8502 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8503 (tree_expr_nonnegative_p): Similarly.
8504 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8505 (restore_nonzero_vars_to_original_value): Remove.
8506 (unsafe_associative_fp_binop): Remove.
8507 (tree_ssa_dominator_optimize): Remove initialization and
8508 finalization of nonzero_vars and nonzero_vars_stack.
8509 (dom_opt_initialize_block): No longer push marker on
8511 (dom_opt_finalize_block): No longer call
8512 restore_nonzero_vars_to_original_value.
8513 (record_equivalences_from_phis): No longer look for
8514 nonzero PHI arguments.
8515 (cprop_into_successor_phis): No longer propagate nonzero
8516 property into PHI arguments. Lose unused argument. Caller
8518 (record_equivalences_from_stmt): No longer record nonzero
8519 values for SSA_NAMEs.
8520 (lookup_avail_expr): No longer use nonzero_vars.
8522 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8523 for sizetype when sizetype is unsigned.
8525 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8527 PR rtl-optimization/25603
8528 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8529 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8530 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8531 with new meaning of SETS.
8533 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8538 * config/linux.opt: New file.
8539 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8540 LINUX_DYNAMIC_LINKER): Define.
8541 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8542 * config.gcc (*-*-linux*): Define extra_options.
8543 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8544 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8545 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8546 GLIBC_DYNAMIC_LINKER.
8547 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8548 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8549 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8551 * doc/invoke.texi (GNU/Linux Options): New section.
8553 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8555 * config/sparc/sparc.md (setjmp): Rewrite.
8556 (setjmp_32): Delete.
8557 (setjmp_64): Likewise.
8559 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8561 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8564 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8566 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8569 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8571 PR rtl-optimization/26296
8572 * Makefile.in (loop-invariant.c): Add except.h dependency.
8573 * loop-invariant.c: Include except.h.
8574 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8576 2005-02-16 Paul Brook <paul@codesourcery.com>
8578 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8581 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8583 PR rtl-optimization/25636
8584 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8585 when deciding whether an insn is an initializing insn.
8587 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8589 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8590 (tree_code_size): Ditto.
8591 * tree.h (struct tree_memory_tag): Remove parent_var.
8592 (struct tree_struct_field_tag): New.
8595 (union tree_node): Add sft member.
8596 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8598 (create_sft): Add size and offset argument, set SFT_OFFSET and
8600 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8601 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8602 * tree-flow-inline.h (get_subvar_at): Update for
8603 SFT_OFFSET/SFT_SIZE.
8604 (var_can_have_subvars): Ditto.
8605 (overlap_subvar): Ditto.
8606 * print-tree.c (print_node): Print out interesting things for
8608 * tree-flow.h (struct subvar): Remove offset and size members.
8609 * tree-ssa-operands.c (get_expr_operands): Update for
8610 get_indirect_ref_operands changes.
8611 (get_indirect_ref_operands): Call add_virtual_operand instead of
8612 add_stmt_operand. Only recurse on base var if requested.
8613 (access_can_touch_variable): New function.
8614 (add_stmt_operand): Split virtual operand handling into ...
8615 (add_virtual_operand): Here. Add offset, size, and for_clobber
8616 arguments. Prune alias sets.
8617 (add_call_clobber_ops): Call add_virtual_operand.
8619 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8622 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8624 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8625 than TREE_CODE as index into omp_clause_num_ops array.
8627 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8629 PR rtl-optimization/26184
8630 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8632 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8633 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8634 must_precede, must_follow and tobe_scheduled.
8637 * opts.c (common_handle_option): Free new_option pointer.
8638 * df-core.c (df_analyze): Free postorder pointer.
8640 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8642 * Makefile.in: Fix the examples about the use of stamps
8644 2006-02-15 Michael Matz <matz@suse.de>
8648 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8649 influenced by maximum_field_alignment or DECL_PACKED.
8650 (update_alignment_for_field): Ditto.
8651 (place_field): Ditto.
8652 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8655 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8657 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8658 (debug_flow_info): Pass it.
8659 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8660 * bb-reorder.c (reorder_basic_blocks): Likewise.
8661 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8662 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8663 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8664 * gcse.c (gcse_main, bypass_jumps): Likewise.
8665 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8666 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8667 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8668 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8669 * rtl.h (dump_flow_info): Adjust prototype.
8670 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8671 * var-tracking.c (variable_tracking_main): Likewise.
8672 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8673 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8676 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8678 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8681 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8683 PR tree-optimization/26209
8684 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8685 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8687 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8689 2006-02-14 Roger Sayle <roger@eyesopen.com>
8692 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8693 (X,Y) and the corresponding symmetry related transformations.
8694 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8695 (X,Y) and its symmetry related transformations.
8697 2006-02-14 Roger Sayle <roger@eyesopen.com>
8699 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8702 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8704 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8706 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8709 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8710 support COMDAT group.
8711 * configure: Regenerate.
8713 2006-02-14 Roger Sayle <roger@eyesopen.com>
8718 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8720 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8722 Fix PR tree-optimization/26260
8724 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8726 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8727 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8728 * tree-ssa-structalias.c (create_variable_info_for): Use
8729 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8731 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8733 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8735 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8736 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8737 of the ending condition.
8738 * tree-ssa-loop-manip.c: Include params.h.
8739 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8740 tree_unroll_loop): New functions.
8741 * tree-pass.h (pass_loop_prefetch): Declare.
8742 * loop.c (rest_of_handle_loop_optimize): Test for
8743 -fprefetch-loop-arrays-rtl.
8744 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8745 * timevar.def (TV_TREE_PREFETCH): New timevar.
8746 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8747 pass_loop_prefetch): New.
8748 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8749 (cleanup_tree_cfg_loop): Call scev_reset.
8750 * common.opt (fprefetch-loop-arrays-rtl): Add.
8751 * tree-ssa-loop-prefetch.c: New file.
8752 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8753 (new_temp_expr_table): Initialize expr_vars.
8754 (free_temp_expr_table): Cleanup expr_vars.
8755 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8756 expressions from being merged into one.
8757 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8758 (struct tree_niter_desc): Add control, bound and cmp fields.
8759 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8761 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8762 (tree-cfgcleanup.o): Add SCEV_H dependency.
8763 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8764 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8766 2006-02-14 Richard Guenther <rguenther@suse.de>
8768 PR tree-optimization/26258
8769 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8770 in PHI argument processing.
8772 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8774 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8775 new expression in the requested machine mode.
8777 2006-02-13 Roger Sayle <roger@eyesopen.com>
8779 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8780 directly, instead let do_compare_rtx_and_jump handle this for us.
8781 * expr.c (expand_expr_real_1): Likewise.
8782 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8783 before do_jump_by_parts_greater.
8784 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8785 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8787 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8789 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8791 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8793 PR rtl-optimization/26235
8794 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8795 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8798 2006-02-13 Jeff Law <law@redhat.com>
8800 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8803 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8806 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8807 twice if decl is a builtin. When trying again, call get_callee_fndecl
8808 first to verify it is still a builtin.
8810 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8812 * dwarf2out.c (base_type_die): Don't add AT_name here.
8813 (subrange_type_die): Don't add AT_name here.
8814 (modified_type_die): Rearrange code flow. Do add AT_name here.
8816 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8818 PR rtl-optimization/26247
8819 PR rtl-optimization/26248
8820 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8822 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8824 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8825 * config/fixtfdi.c: Likewise.
8826 * config/fixunstfdi.c: Likewise.
8827 * config/floatditf.c: Likewise.
8829 2006-02-13 Roger Sayle <roger@eyesopen.com>
8832 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8833 into (X,C2) if C1 is a subset of the bits of C2. Transform
8834 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8836 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8838 2006-02-13 Josh Conner <jconner@apple.com>
8841 * varasm.c (function_section): Check for section name before
8842 calling select_section on targets that define
8843 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8844 unlikely_text_section instead of hot_function_section if
8845 first_function_block_is_cold.
8847 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8850 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8852 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8854 PR rtl-optimization/26222
8855 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8856 after tree->rtl expansion.
8857 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8858 before passing it to emit_move_insn.
8860 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8862 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8864 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8865 Clarify documentation.
8866 * c-common.h (warn_write_strings): Remove.
8867 * c-common.c (warn_write_strings): Likewise.
8868 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8871 2006-02-12 Roger Sayle <roger@eyesopen.com>
8874 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8875 (do_jump_parts_zero_rtx): New function renamed from
8876 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8877 (do_jump_parts_equality_rtx): New function split out from
8878 do_jump_parts_equality. Old implementation renamed as above.
8879 Call do_jump_parts_zero_rtx if either operand is zero.
8880 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8881 do all of the heavy lifting.
8882 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8883 calling either do_jump_by_parts_greater_rtx or
8884 do_jump_by_parts_equality_rtx.
8885 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8886 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8887 moved to do_compare_rtx_and_jump, call it directly.
8888 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8889 mode argument. Call do_compare_rtx_and_jump.
8890 (emit_case_nodes): Update calls to do_jump_if_equal.
8892 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8894 PR rtl-optimization/26225
8895 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8897 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8899 PR rtl-optimization/26232
8900 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8902 2006-02-11 Jason Merrill <jason@redhat.com>
8905 * tree-inline.c (declare_return_variable): Just don't use the
8906 modify target if it's a gimple complex reg and the return slot
8909 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8911 * doc/contrib.texi: Update my entry.
8913 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8915 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8917 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8919 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8922 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8924 * doc/invoke.texi (-floop-optimize2): Removed.
8925 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8926 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8927 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8928 * common.opt (floop-optimize2): Removed.
8929 (fmove-loop-invariants): Enabled by default.
8931 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8933 * tree-if-conv.c (combine_blocks): Free the result of
8934 get_loop_exit_edges.
8936 2006-02-10 Jeff Law <law@redhat.com>
8938 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8940 PR tree-optimization/26213
8941 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8942 loop trying to follow SSA_NAME_VALUE chains.
8944 2006-02-10 Richard Guenther <rguenther@suse.de>
8946 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8947 deal with structures that end in implicitly variable sized arrays.
8949 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8951 PR rtl-optimization/24762
8952 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8955 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8957 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8958 (struct ivopts_data): Add regs_used field.
8959 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8960 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8961 instead of loop_data->regs_used;
8962 (free_loop_data): Do not free aux fields for loops.
8963 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8964 and tree_ssa_iv_optimize_finalize.
8966 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8968 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8970 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8973 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8974 computing the effective result type.
8976 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8979 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8980 (tree_overlaps_hard_reg_set): Declare.
8981 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8982 type and signature to match function type expected by walk_tree.
8983 (tree_overlaps_hard_reg_set): New function.
8984 (decl_conflicts_with_clobbers_p): Rename to:
8985 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8986 Use tree_overlaps_hard_reg_set. Changed caller.
8987 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8988 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8989 * cris.c (cris_md_asm_clobbers): Likewise.
8991 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8993 * reload1.c (emit_input_reload_insns): Delete code that tries to
8994 inherit using find_equiv_reg.
8996 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8998 * c-common.h (flag_const_strings): Don't declare.
8999 * c-common.c (flag_const_strings): Remove.
9000 * c.opt (fconst_strings): Remove.
9001 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9002 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9003 (c_common_init_options): Don't set flag_const_strings.
9004 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9006 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9008 * arm.md (tlobits_cbranch): New pattern.
9009 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9010 testing a single bit.
9012 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9015 * tree-ssa-pre.c (create_component_ref_by_pieces):
9016 Handle RETURN_DECL like VAR_DECL.
9018 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9021 * fold-const.c (fold_indirect_ref_1): Fold
9022 "*(foo *)&complexfoo" to "__real__ complexfoo"
9023 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9025 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9027 * tree-flow-inline.h (var_can_have_subvars):
9028 Volatile variables should not have subvariables.
9030 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9033 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9034 multiplying unsigned values.
9037 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9039 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9041 2006-02-08 Jason Merrill <jason@redhat.com>
9044 * tree.def: Elaborate on difference from MODIFY_EXPR.
9045 * doc/c-tree.texi (INIT_EXPR): Likewise.
9046 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9047 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9048 (gimplify_target_expr): Likewise.
9049 (gimplify_cond_expr): Remove target handling.
9050 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9051 (gimplify_expr): Clobber it here.
9052 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9053 Do return slot optimization if we have an INIT_EXPR.
9056 * tree-inline.c (declare_return_variable): Also clear
9057 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9060 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9063 * gimplify.c (gimplify_one_sizepos): Fix typo.
9065 2006-02-08 Jeff Law <law@redhat.com>
9067 PR tree-optimization/21417
9068 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9069 across a backedge if the control statement at the end of the
9070 block is data dependent on other statements in the same block.
9071 (record_temporary_equivalences_from_stmts): Remove over-conservative
9072 test for threading across backedges.
9074 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9075 control statement, handle all three special cases in the same
9076 manner as they all have the same desired solution. No longer
9077 special case edge flag updating when the post dominator is
9080 2006-02-08 Roger Sayle <roger@eyesopen.com>
9082 * tree.def (CHAR_TYPE): Remove.
9083 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9084 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9085 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9086 (gen_string_type_die): Delete unreachable function.
9088 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9089 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9090 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9091 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9092 * builtins.c (type_to_class): Likewise.
9093 * fold-const.c (fold_convert, build_range_check,
9094 merge_ranges): Likewise.
9095 * expr.c (count_type_elements): Likewise.
9096 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9097 * stor-layout.c (layout_type): Likewise.
9098 * ipa-type-escape.c (type_to_consider): Likewise.
9099 * gimplify.c (omp_firstprivatize_type_sizes,
9100 gimplify_type_sizes): Likewise.
9101 * explow.c (promote_mode): Likewise.
9102 * tree-sra.c (is_sra_scalar_type): Likewise.
9103 * varasm.c (output_constant): Likewise.
9104 * tree-inline.c (remap_type_1): Likewise.
9105 * convert.c (convert_to_pointer, convert_to_real,
9106 convert_to_integer, convert_to_complex): Likewise.
9108 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9110 * df-scan.c (df_def_record_1): A set destination may
9111 be a parallel regardless of mode.
9113 2006-02-08 Roger Sayle <roger@eyesopen.com>
9116 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9117 * config/mips/_tilib.c: Remove.
9118 * config/fixtfdi.c: New libgcc source file.
9119 * config/fixunstfdi.c: New source file.
9120 * config/floatditf.c: New source file.
9121 * config/floatunditf.c: New souce file.
9122 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9123 files above instead of config/mips/_tilib.c.
9124 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9126 2006-02-08 Jeff Law <law@redhat.com>
9128 PR tree-optimization/26169
9129 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9132 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9134 * df.h (DF_REG_SIZE): Return the length of the initialized
9137 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9139 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9140 __muldf3): Return a correctly signed zero.
9142 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9144 * passes.c (register_one_dump_file): Accept the current properties
9145 instead of pass number. Adjust call to dump_register. Remove
9147 (register_dump_files): Now a wrapper around...
9148 (register_dump_files_1): ... this one. Do not modify the pass
9150 (next_pass_1): Cosmetic fix.
9151 (execute_todo): Keep second parameter only. Use curr_properties
9152 instead of fetching it from the pass structure. Check and set
9154 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9155 instead of fetching it from the pass structure. Fix calls to
9156 execute_todo. Update curr_properties and initialize .vcg RTL dump
9157 after running the pass. Reset last_verified.
9158 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9160 (FIRST_AUTO_NUMBERED_DUMP): New.
9161 (dump_register): Remove "num" parameter, assign it within the
9163 (get_dump_file_name): Modify template for dumps.
9164 * tree-dump.h (dump_register): Adjust prototype.
9165 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9166 (PROP_trees): Add PROP_gimple_lomp.
9167 (TODO_set_props): New.
9168 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9169 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9170 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9172 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9174 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9175 (sparc64-*-linux*): Likewise.
9176 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9177 * config/sparc/t-linux: New file.
9178 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9179 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9180 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9181 -m32 -mlong-double-128.
9183 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9184 * config/alpha/t-linux: New file.
9185 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9187 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9188 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9189 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9190 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9191 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9192 (CPP_ARCH32_SPEC): Remove.
9194 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9196 PR tree-optimization/26145
9197 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9200 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9203 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9204 >= 240000 when generating code for SOM runtime.
9205 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9206 to $$dyncall when generating code for SOM runtime..
9208 2006-02-07 Dirk Mueller <dmueller@suse.com>
9211 * doc/invoke.texi (-Wsequence-point): Update documentation
9212 that -Wsequence-point is implemented for C++ as well.
9214 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9216 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9217 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9218 (LIB_SPEC): Likewise.
9219 * doc/invoke.texi (SPARC options): Document -pthread.
9221 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9223 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9226 2006-02-07 Roger Sayle <roger@eyesopen.com>
9228 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9229 Correct comment describing BOOLEAN_TYPE.
9231 2006-02-07 Dirk Mueller <dmueller@suse.com>
9233 * c.opt: C++ frontend supports -Wdiv-by-zero.
9234 * c-opts.c (c_common_handle_option): Remove dead case.
9236 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9238 * configure.ac (TLS assembler check): Do not enable TLS by
9239 default on SPARC/Solaris before version 10.
9240 * configure: Regenerate.
9242 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9244 * doc/invoke.texi (xl-compat): Document conversion and support
9247 2006-02-07 Jeff Law <law@redhat.com>
9249 * tree-vrp.c (find_conditional_asserts): Update comments.
9250 (simplify_stmt_for_jump_threading): New.
9251 (identify_jump_threads, finalize_jump_threads): New.
9252 (vrp_finalize): Call identify_jump_threads.
9253 (execute_vrp): Call finalize_jump_threads.
9254 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9255 (vrp_element, vrp_data, vrp_element_p): Remove.
9256 (vrp_hash_elt, vrp_variables_stack): Remove.
9257 (vrp_hash, vrp_eq, record_range): Remove.
9258 (simplify_cond_and_lookup_avail_expr): Remove.
9259 (extract_range_from_cond): Remove.
9260 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9261 (simplify_stmt_for_jump_threading): New.
9262 (dom_thread_across_edge): New wrapper.
9263 (tree_ssa_dominator_optimize): No longer initialize or
9264 finalize any of the VRP datastructures. Remove iteration
9265 step and simplify as a result of removal of iteration step.
9266 (pass_dominator): Perform a cfg cleanup after DOM.
9267 (dom_opt_finalize_block): Use the new common routines
9268 for threading jumps. Simplify stack management slightly.
9269 No longer need to unwind VRP state.
9270 (record_equivalences_from_incoming_edge): No longer record
9272 (eliminate_redundant_computations): No longer call
9273 simplify_cond_and_lookup_avail_expr.
9274 * tree-flow.h (potentially_threadable_block): Prototype.
9275 (thread_across_edge): Likewise.
9276 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9277 (tree-ssa-threadedge.o): Add dependencies.
9278 * tree-ssa-threadedge.c: New file.
9279 * passes.c (init_optimization_passes): Merge PHIs before
9280 calling VRP. Run VRP again late in the SSA optimization pipeline.
9282 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9284 * df-core.c (df_set_blocks): Do not dereference function pointers.
9285 (df_finish1): Likewise.
9286 (df_hybrid_search_forward): Likewise.
9287 (df_hybrid_search_backward): Likewise.
9288 (df_iterative_dataflow): Likewise.
9289 (df_analyze_problem): Likewise.
9290 (df_compact_blocks): Likewise.
9291 (df_dump): Likewise.
9292 * df-scan.c (df_rescan_blocks): Likewise.
9293 (df_record_entry_block_defs): Likewise.
9295 * genconditions.c (write_conditions): Guard the definition of
9296 'insn_conditions' with the check on GCC version.
9297 (write_writer): Guard the traversal 'insn_conditions' with
9298 the check on GCC version.
9300 2006-02-07 Richard Guenther <rguenther@suse.de>
9304 2006-01-30 Richard Guenther <rguenther@suse.de>
9306 * gimplify.c (gimplify_target_expr): Handle easy cases
9307 without creating a temporary.
9309 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9311 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9312 use of float in probability computations. Use edge probabilities
9313 in place of statically computed probabilities.
9314 (min_spec_prob): New static variable.
9315 (schedule_insns): Initialize it.
9316 (GET_SRC_PROB): Removed.
9317 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9319 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9322 * config/ia64/unwind-ia64.c: Revert last change.
9323 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9324 (INCOMING_FRAME_SP_OFFSET): Define.
9326 2006-02-06 Roger Sayle <roger@eyesopen.com>
9328 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9330 2006-02-07 Ben Elliston <bje@au.ibm.com>
9332 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9333 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9334 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9335 (ix86_return_in_memory): Handle TDmode.
9336 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9337 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9339 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9341 * reorg.c (dbr_schedule): Use dump_file instead of file.
9343 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9346 * config/ia64/predicates.md (extr_len_operand): New predicate.
9347 * config/ia64/ia64.md (extv): Tighten constraints.
9349 (*tbit_and_2): Ditto.
9350 (*tbit_and_3): Ditto.
9351 (*tbit_or_2): Ditto.
9352 (*tbit_or_3): Ditto.
9356 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9359 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9361 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9363 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9364 loop_optimizer_init and loop_optimizer_finalize
9365 * tree-ssa-sink.c (execute_sink_code): Ditto.
9366 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9367 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9368 tree_ssa_loop_done): Ditto.
9369 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9370 * sched-ebb.c: Include output.h.
9371 (schedule_ebbs): Do not use dump argument.
9372 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9373 * loop.c (loop_dump_stream): Removed.
9374 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9376 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9377 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9378 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9379 loop_iterations, strength_reduce, record_biv, record_giv,
9380 final_giv_value, check_final_value, check_ext_dependent_givs,
9381 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9382 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9383 dump_file instead of loop_dump_stream.
9384 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9386 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9388 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9389 * haifa-sched.c: Include output.h
9390 (schedule_insns, sched_init): Do not use dump argument.
9391 * mode-switching.c (optimize_mode_switching): Ditto.
9392 * modulo-sched.c (stats_file): Removed.
9393 (print_node_sched_params): Do not call argument dump_file.
9394 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9395 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9397 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9399 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9400 rtl_loop_init, rtl_loop_done): Ditto.
9401 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9402 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9404 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9405 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9406 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9407 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9408 * emit-rtl.c (renumber_insns): Ditto.
9409 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9410 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9411 * regclass.c (regclass): Ditto.
9412 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9413 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9414 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9415 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9417 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9418 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9420 * gcse.c (gcse_file, debug_stderr): Removed.
9421 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9422 rest_of_handle_gcse): Do not use dump argument.
9423 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9424 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9425 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9426 compute_code_hoist_vbeinout, compute_code_hoist_data,
9427 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9428 compute_store_table, build_store_vectors, insert_insn_start_bb,
9429 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9430 store_motion): Use dump_file instead of gcse_file.
9431 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9432 * profile.c (profile_dump_file): Removed.
9433 (branch_prob): Use dump_file instead of profile_dump_file.
9434 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9436 * tree-ssa-copy.c (dump_copy_of): Ditto.
9437 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9438 dump file to life_analysis.
9439 * bt-load.c (branch_target_load_optimize): Ditto.
9440 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9442 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9443 regclass, dbr_schedule): Declaration changed.
9444 * sched-int.h (sched_init): Declaration changed.
9445 * tree-profile.c (tree_profile_dump_file): Removed.
9446 (tree_profile_hooks): Removed profile_dump_file hook.
9447 * rtl-profile (rtl_profile_dump_file): Removed.
9448 (rtl_profile_hooks): emoved profile_dump_file hook.
9449 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9451 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9452 * tree-cfg.c (build_tree_cfg): Ditto.
9453 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9454 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9455 Declaration changed.
9456 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9457 life_analysis and schedule_insns.
9458 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9460 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9462 * config/mips/mips.c (mips_reorg): Ditto.
9463 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9466 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9468 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9469 (s390_mangle_fundamental_type): New.
9470 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9473 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9474 (alpha_mangle_fundamental_type): New.
9475 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9478 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9480 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9482 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9483 (sparc_mangle_fundamental_type): New.
9485 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9487 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9488 (s390x-*-linux*): Likewise.
9489 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9490 * config/s390/t-linux: New file.
9492 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9494 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9495 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9497 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9499 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9500 (ANTIC_SAFE_LOADS): New macro.
9501 (find_or_generate_expression): Add prototype.
9502 (set_contains_value): Allow null set for sake of not always having
9503 to allocate ANTIC_SAFE_LOADS.
9504 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9505 Allow COMPONENT_REF too.
9506 (valid_in_set): Allow COMPONENT_REF.
9507 Check ANTIC_SAFE_LOADS too.
9508 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9509 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9511 (can_PRE_operation): Add COMPONENT_REF.
9512 (create_component_ref_by_pieces): New function.
9513 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9514 (insert_aux): Move AGGREGATE_TYPE_P check here.
9515 (compute_avail): Set bb local stmt uids.
9516 (pass_pre): Use TODO_update_ssa_only_virtuals.
9518 2006-02-06 Ben Elliston <bje@au.ibm.com>
9520 * configure.ac: Unconditionally disable decimal float by default.
9521 * configure: Regenerate.
9523 2006-02-06 Ben Elliston <bje@au.ibm.com>
9525 * read-rtl.c (read_name): Terminate reading on EOF.
9527 2006-02-06 Ben Elliston <bje@au.ibm.com>
9529 * dfp.c (decimal_real_arithmetic): Change second argument type
9530 from int to enum tree_code. Do not always return true, but now
9531 return result of any call to decimal_do helper functions.
9532 * dfp.h (decimal_real_arithmetic): Update prototype.
9534 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9536 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9538 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9541 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9544 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9546 * tree-vrp.c (cfg_loops): Removed.
9547 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9548 Use current_loops instead of cfg_loops. Pass flags to
9549 loop_optimizer_init.
9550 * cfgloopmanip.c (fix_loop_structure): Update only available
9552 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9553 loop_optimizer_init.
9554 * modulo-sched.c (build_loops_structure): Removed.
9555 (sms_schedule): Use loop_optimizer_init.
9556 * loop-init.c (loop_optimizer_init): Use flags to determine
9557 which properties of loops to prepare.
9558 (rtl_loop_init): Pass flags to loop_optimizer_init.
9559 * tree-ssa-sink.c (execute_sink_code): Ditto.
9560 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9561 * tree-ssa-pre.c (init_pre): Ditto.
9562 * cfgloop.h (LOOPS_NORMAL): New.
9563 (loop_optimizer_init): Declaration changed.
9565 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9567 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9568 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9570 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9572 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9574 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9575 * pa/t-pa64: Delete quadlib.c rule.
9576 * pa/x-ada: Revert last change.
9577 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9579 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9581 PR rtl-optimization/26087
9582 * rtlanal.c (canonicalize_condition): Do not cross basic block
9585 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9588 * config/ia64/ia64.c: Include debug.h.
9589 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9590 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9591 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9592 (process_epilogue, process_set, process_for_unwind_directive):
9593 Output unwind info only if requested. Add CFA info if requested.
9594 Add new arguments as needed. Adjust callers.
9595 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9597 (DWARF2_FRAME_INFO): Define to zero.
9598 * config/ia64/unwind-ia64.c: Remove code that compensated for
9599 the CFA offset error fixed above.
9600 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9601 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9602 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9603 -funwind-tables and -fexceptions to enable frame info.
9604 (dwarf2out_frame_init): Define initial CFA even if
9605 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9606 DWARF2_UNWIND_INFO is nonzero, not just defined.
9607 (dwarf2out_frame_finish): Output non-EH call frame info only
9608 if DWARF2_FRAME_INFO is nonzero.
9609 (convert_cfa_to_loc_list,
9610 compute_frame_pointer_to_cfa_displacement): Define even if
9611 unwind info is not supported.
9612 (gen_subprogram_die): Use the above unconditionally. Remove
9613 legacy alternate code.
9614 * toplev.c (compile_file): Compile in call to
9615 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9616 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9618 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9619 Jakub Jelinek <jakub@redhat.com>
9621 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9622 IBM extended float format long double as "g" on powerpc*-linux.
9624 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9627 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9628 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9630 2006-02-03 Jason Merrill <jason@redhat.com>
9633 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9636 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9637 on the return slot if it's an NRV.
9639 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9641 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9642 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9643 rewrite_use): Do not handle USE_OUTER.
9644 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9645 add_iv_outer_candidates, may_replace_final_value,
9646 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9647 (find_interesting_uses_op): Functionality of
9648 find_interesting_uses_outer_or_nonlin moved here.
9649 (find_interesting_uses_outside): Use find_interesting_uses_op.
9651 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9654 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9656 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9657 Ulrich Weigand <uweigand@de.ibm.com>
9660 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9661 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9662 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9663 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9665 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9666 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9667 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9668 Define secondary reloads for TFmode moves.
9669 (constant_modes): Add TFmode.
9670 (NR_C_MODES): Set to 8.
9671 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9673 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9674 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9675 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9676 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9677 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9678 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9679 (FPR mode macro): Add TFmode.
9680 (DSF mode macro): New.
9681 (<de>, <dee> mode attributes): Removed.
9682 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9683 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9684 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9685 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9686 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9687 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9688 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9689 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9690 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9691 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9692 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9693 "*negabs<mode>2", "sqrt<mode>2"):
9694 Changed <de> to <xde>. R constraint replaced by <Rf>.
9695 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9697 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9698 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9699 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9701 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9702 "extenddftf2", "extendsftf2"): New expanders.
9703 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9704 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9705 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9706 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9708 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9709 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9710 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9711 __floatditf): Add a GCC_4.1.0 symbol version tag.
9712 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9715 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9718 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9719 Use targetm.binds_local_p instead of TREE_PUBLIC.
9721 2006-02-02 Roger Sayle <roger@eyesopen.com>
9723 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9724 on INTEGER_TYPEs to indicate that it denotes a character type.
9725 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9726 signed_char_type_node, unsigned_char_type_node and char_type_node.
9727 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9728 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9729 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9731 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9732 Daniel Berlin <dberlin@dberlin.org>
9734 * tree-tailcall.c (arg_needs_copy_p): New function.
9735 (eliminate_tail_call): Use arg_needs_copy_p.
9736 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9737 (add_virtual_phis): New function.
9739 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9741 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9742 #ignore instead of #scratch for %g7 .register directive.
9744 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9746 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9749 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9751 * flow.c (calculate_global_regs_live): Assert that there aren't any
9754 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9756 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9758 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9759 bsi_after_labels iterator.
9760 * tree-if-conv.c (find_phi_replacement_condition,
9761 replace_phi_with_cond_modify_expr): Likewise.
9762 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9763 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9765 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9767 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9769 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9772 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9773 array after growing it.
9775 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9778 * fold-const.c (fold_checksum_tree): Change type of buf.
9780 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9782 * reload.c (push_secondary_reload): Initialize t_icode.
9784 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9786 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9787 -msoft-float -mlong-double-128 only issue a warning, but don't
9788 swich to DFmode long double.
9790 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9792 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9793 has a constant equivalent, iterate over equivalents for arg0,
9794 calling simplify_relational_operation and if there's a result
9795 cheaper than X, apply fold_rtx and return the result.
9797 2006-02-01 Jan Hubicka <jh@suse.cz>
9799 * opts.c (no_unit_at_a_time_default): New global variable.
9800 (decode_options): Use it.
9801 * opts.h (no_unit_at_a_time_default): Declare.
9803 2006-02-01 Paul Brook <paul@codesourcery.com>
9805 * function.c (assign_parm_setup_reg): Use function argument promotion
9807 * expr.c (expand_expr_real_1): Use function argument promotion rules
9810 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9812 * gcc.c (process_command): Change j to 'unsigned int'.
9814 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9817 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9818 Use the corrected index for the character
9819 out of the string constant.
9821 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9823 * mode-switching.c (optimize_mode_switching): Fix size
9824 allocated for bb_info[n_entities].
9826 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9828 * gcc.c (main): Correct type that is allocated for
9829 explicit_link_files.
9831 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9833 * config/s390/s390.c (init_alignment_context): Set
9834 ALIAS_SET_MEMORY_BARRIER on the MEM.
9835 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9837 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9840 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9842 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9845 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9847 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9848 * regrename.c: Ditto.
9849 * tree-ssa-loop-im.c: Ditto.
9850 * tree-dump.c: Ditto.
9851 * tree-complex.c: Ditto.
9852 * genrecog.c: Ditto.
9853 * tree-ssa-threadupdate.c: Ditto.
9855 * java/class.c: Ditto.
9856 * java/jcf-parse.c: Ditto.
9857 * java/resource.c: Ditto.
9858 * java/except.c: Ditto.
9859 * java/jvspec.c: Ditto.
9860 * java/jcf-write.c: Ditto.
9861 * java/jcf-path.c: Ditto.
9862 * java/gjavah.c: Ditto.
9863 * java/zextract.c: Ditto.
9864 * java/jcf-io.c: Ditto.
9865 * java/jcf.h: Ditto.
9866 * java/buffer.c: Ditto.
9867 * java/lang.c: Ditto.
9868 * java/parse-scan.y: Ditto.
9869 * java/lex.c: Ditto.
9870 * java/lex.h: Ditto.
9871 * cfgloopmanip.c: Ditto.
9872 * postreload-gcse.c: Ditto.
9873 * tree-ssa-loop-manip.c: Ditto.
9874 * postreload.c: Ditto.
9875 * tree-ssa-loop-ch.c: Ditto.
9879 * diagnostic.c: Ditto.
9881 * genoutput.c: Ditto.
9883 * cfghooks.c: Ditto.
9884 * cfgloopanal.c: Ditto.
9885 * objc/objc-act.c: Ditto.
9887 * genextract.c: Ditto.
9888 * genautomata.c: Ditto.
9889 * pretty-print.c: Ditto.
9891 * cgraphunit.c: Ditto.
9894 * haifa-sched.c: Ditto.
9895 * dominance.c: Ditto.
9897 * tree-ssa-loop-ivopts.c: Ditto.
9899 * mode-switching.c: Ditto.
9900 * modulo-sched.c: Ditto.
9902 * ipa-pure-const.c: Ditto.
9904 * fix-header.c: Ditto.
9906 * tree-stdarg.c: Ditto.
9907 * ipa-utils.c: Ditto.
9908 * loop-init.c: Ditto.
9909 * ipa-inline.c: Ditto.
9912 * alloc-pool.c: Ditto.
9913 * dwarf2out.c: Ditto.
9915 * genattrtab.c: Ditto.
9916 * tree-ssa-loop-ivcanon.c: Ditto.
9920 * fortran/gfortranspec.c: Ditto.
9922 * local-alloc.c: Ditto.
9923 * langhooks.c: Ditto.
9924 * function.c: Ditto.
9925 * tree-vectorizer.c: Ditto.
9927 * ipa-type-escape.c: Ditto.
9929 * tree-if-conv.c: Ditto.
9932 * tree-data-ref.c: Ditto.
9933 * loop-unroll.c: Ditto.
9934 * treelang/treetree.c: Ditto.
9937 * ggc-common.c: Ditto.
9939 * coverage.c: Ditto.
9941 * tree-cfgcleanup.c: Ditto.
9942 * tree-ssa-pre.c: Ditto.
9943 * cfgcleanup.c: Ditto.
9944 * loop-invariant.c: Ditto.
9946 * ipa-prop.c: Ditto.
9947 * print-tree.c: Ditto.
9948 * conflict.c: Ditto.
9949 * ggc-page.c: Ditto.
9950 * sched-deps.c: Ditto.
9951 * regclass.c: Ditto.
9952 * tree-object-size.c: Ditto.
9954 * bb-reorder.c: Ditto.
9955 * resource.c: Ditto.
9956 * var-tracking.c: Ditto.
9958 * df-problems.c: Ditto.
9959 * reg-stack.c: Ditto.
9962 * sched-rgn.c: Ditto.
9963 * tree-ssa-structalias.c: Ditto.
9964 * tree-ssa-reassoc.c: Ditto.
9965 * config/darwin-c.c: Ditto.
9966 * config/darwin.c: Ditto.
9967 * config/arm/arm.c: Ditto.
9969 * collect2.c: Ditto.
9972 2006-01-31 Nicolas Pitre <nico@cam.org>
9974 * arm.md (smaxsi3): Make aware of smax_m1.
9977 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9979 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9981 2006-01-31 Richard Guenther <rguenther@suse.de>
9983 * doc/invoke.texi (-msselibm): Document.
9984 * target.h (expand_library_builtin): New target hook.
9985 * builtins.c (expand_builtin): Use expand_library_builtin.
9986 (default_expand_library_builtin): New function.
9987 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9988 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9989 (link_gcc_math_spec): Declare.
9990 (static_specs): Add link_gcc_math_spec.
9991 * expr.h (default_expand_library_builtin): Declare.
9992 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9993 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9994 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9995 * config/i386/i386.opt (msselibm): New target option.
9996 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9997 (ix86_init_sse_abi_builtins): New function.
9998 (ix86_expand_library_builtin): Likewise.
9999 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10000 (override_options): Handle error conditions wrt -msselibm.
10001 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10002 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10003 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10006 2006-01-31 Richard Guenther <rguenther@suse.de>
10007 Paolo Bonzini <bonzini@gnu.org>
10009 * doc/install.texi (--disable-libgcc-math): Document.
10011 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10013 * expr.h (expand_normal): new inline function.
10014 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10015 * dojump.c: use it.
10016 * dwarf2out.c: use it.
10019 * expmed.c: use it.
10020 * except.c: use it.
10021 * config/sparc/sparc.c: use it.
10022 * config/i386/i386.c: use it.
10023 * config/rs6000/rs6000.c: use it.
10024 * config/arm/arm.c: use it.
10025 * config/mips/mips.c: use it.
10026 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10028 2006-01-30 Roger Sayle <roger@eyesopen.com>
10030 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10031 argv to the appropriate type.
10033 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10035 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10038 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10041 * config/s390/s390.c (struct machine_function): New flag
10042 decomposed_literal_pool_addresses_ok_p.
10043 (s390_reorg): Set it before final stage of literal pool transforms.
10044 (s390_decompose_address): Only accept displacements of the form
10045 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10047 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10049 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10050 the comparison routine return.
10052 2006-01-30 Michael Matz <matz@suse.de>
10054 * global.c (find_reg): Only evict for global regs.
10055 Take n_refs into account and dump more info.
10057 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10060 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10061 (pragma_trap, pragma_nosave_low_regs): Likewise.
10062 (current_function_anonymous_args): Likewise.
10063 (sh_deferred_function_attributes): New variable.
10064 (sh_deferred_function_attributes_tail): Likewise.
10065 (print_operand): For '@', look up trap_exit attribute.
10066 (calc_live_regs): Look up trapa_handler attribute. For trapa
10067 handlers, save/restore fpscr, but don't do any other
10068 interrupt-specific saves.
10069 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10070 Fix check for partially saved registers to check for SHmedia.
10071 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10072 (sh_output_function_epilogue): Don't clear any of the removed
10074 (sh_insert_attributes): Don't check pragma_interrupt.
10075 Insert deferred attributes. Check that interrupt attribute is
10076 present for other attributes that require its presence.
10077 (sh_attribute_table): Add new attributes trapa_handler and
10079 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10080 Don't check for pragma_interrupt. Don't store argument.
10081 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10082 (sh_deferred_function_attributes): Declare.
10083 (sh_deferred_function_attributes_tail): Likewise.
10084 * sh.md (sp_switch_1): Add operand. Change generator caller.
10085 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10086 (*return_i): Don't use when trap_exit attribute is in effect.
10087 (*return_trapa): New insn pattern.
10088 * sh-c.c: New file.
10089 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10090 setting c_target_objs and cxx_target_objs.
10091 * t-sh: Add rule for sh-c.o.
10093 2006-01-30 Richard Guenther <rguenther@suse.de>
10096 * gimplify.c (gimplify_target_expr): Handle easy cases
10097 without creating a temporary.
10099 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10101 * vec.h (safe_grow): Remove duplicated line.
10103 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10106 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10107 (expand_omp): ... here.
10108 (expand_omp_parallel): Only remove barriers for combined
10109 parallel+workshare constructs.
10111 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10115 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10116 * tree.c (build_qualified_type): Chain the new type to the original
10117 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10118 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10119 (build_pointer_type_for_mode): Only return unqualified types.
10120 (build_reference_type_for_mode): Likewise.
10122 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10124 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10125 * Makefile.in (CXX_COMPAT_WARN): Define.
10126 * configure: Regenerate.
10128 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10131 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10134 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10136 * toplev.c: Fix thinko.
10138 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10139 Marcin Dalecki <martin@dalecki.de>
10141 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10142 (push_srcloc): Use XNEW.
10143 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10145 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10147 * df-core.c (df_set_blocks): Deleted all variable.
10149 2006-01-28 Ian Lance Taylor <ian@airs.com>
10151 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10152 cgraph_output_pending_asms.
10154 2006-01-28 Zack Weinberg <zackw@panix.com>
10156 * c.opt: Add -W(no-)overlength-strings.
10157 * doc/invoke.texi: Document it.
10158 * c-opts.c (c_common_handle_option): -pedantic implies
10159 -Woverlength-strings, if not explicitly disabled already.
10160 (c_common_post_options): -Woverlength-strings defaults to off, and
10161 is always off for C++.
10162 * c-common.c (fix_string_type): Issue warning about strings longer
10163 than is portable only if warn_overlength_strings. Rearrange code
10164 a little for clarity.
10165 * configure.in: Check for -Wno-overlength-strings as well before
10166 enabling -pedantic in stage 1.
10167 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10168 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10170 * genconditions.c (write_header, write_one_condition)
10171 (write_conditions, write_writer): Consolidate very long strings
10172 that were broken up to fit in C89 portable limit. Don't use
10173 printf when fputs will do.
10175 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10177 * combine.c (simplify_comparison <AND>): Check
10178 TRULY_NOOP_TRUNCATION before start using a subreg.
10180 * config/mips/mips.md (*branch_zero<mode>,
10181 *branch_zero<mode>_inverted, *branch_equality<mode>,
10182 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10183 Remove mode check from comparisons.
10185 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10187 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10189 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10191 * expmed.c (const_mult_add_overflow_p): Remove.
10192 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10194 * recog.c (validate_replace_rtx_subexp): Remove.
10195 * recog.h: Remove the prototype for
10196 validate_replace_rtx_subexp.
10198 * integrate.h: Remove the prototype for
10199 copy_decl_for_inlining.
10200 * rtl.h: Remove the prototype for mark_constant_function.
10201 * tree-vectorizer.h: Remove the prototype for
10202 vect_strip_conversion.
10204 * modulo-sched.c (create_partial_schedule,
10205 free_partial_schedule, reset_partial_schedule): Make them
10208 * hooks.c (hook_bool_rtx_int_false): Remove.
10209 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10211 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10213 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10214 and -mlong-double-128 are incompatible.
10215 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10216 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10217 (TARGET_LIBGCC2_CFLAGS): Define.
10218 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10219 (TARGET_LIBGCC2_CFLAGS): Same.
10220 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10222 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10225 * c-typeck.c (build_binary_op): Perform implicit casts of
10226 operands before shortening them.
10228 * cfgloopmanip.c (split_loop_bb): Remove.
10229 * cfgloop.h: Remove the prototype for split_loop_bb.
10231 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10232 * cfgloop.h: Remove the prototype for
10233 flow_loop_outside_edge_p.
10235 * emit-rtl.c (init_virtual_regs): Make it static.
10236 * function.h: Remove the prototype for init_virtual_regs.
10238 * recog.c (peephole2_optimize): Make it static.
10239 * recog.h: Remove the prototype for peephole2_optimize.
10241 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10243 * df-scan.c (df_record_entry_block_defs): Check if
10244 INCOMING_RETURN_ADDR_RTX is defined.
10246 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10247 Kenneth Zadeck <zadeck@naturalbridge.com>
10249 PR rtl-optimization/24762
10250 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10251 * targhooks.c (hook_void_bitmap): New hook prototype.
10252 * targhoohs.h (hook_void_bitmap): Ditto.
10253 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10254 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10255 * target.h (live_on_entry): New function pointer.
10256 * df-scan.c (df_all_hard_regs): Removed.
10257 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10258 (df_scan_free_internal): Added df->entry_block_defs.
10259 (df_scan_alloc): Ditto.
10260 (df_scan_dump): Ditto.
10261 (df_uses_record): Plumbed flag field properly thru calls.
10262 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10263 This part fixes PR24762.
10264 (df_bb_refs_record): Added code to make the frame and arg
10265 pointers live in EH blocks.
10266 (df_refs_record): Added call to df_record_entry_block_defs.
10267 (df_record_entry_block_defs): New function.
10268 * df-core.c: Added comments to describe new artifical defs.
10269 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10270 (entry_block_defs): New field in struct df.
10271 (df_all_hard_regs): Deleted.
10272 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10273 * df-problems.c (df_ru_bb_local_compute_process_def):
10274 Added code to handle artifical defs in the entry to a function.
10275 (df_ru_bb_local_compute): Ditto.
10276 (df_rd_bb_local_compute_process_def): Ditto.
10277 (df_rd_bb_local_compute): Ditto.
10278 (df_lr_bb_local_compute): Ditto.
10279 (df_ur_bb_local_compute): Ditto.
10280 (df_urec_bb_local_compute): Ditto.
10281 (df_chain_create_bb): Ditto.
10282 (df_ur_local_finalize): Removed entry.
10283 (df_urec_init): Ditto.
10284 (df_urec_local_finalize): Ditto.
10285 (df_ri_bb_compute): Added detection of last use of pseudos.
10286 * Makefile.in (df-scan.o): Updated dependencies.
10287 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10288 * config/mips/mips.c (mips_set_live_on_entry): Added.
10289 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10291 * dce.c (marked_insn_p): Added code to handle artifical defs.
10293 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10295 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10297 (_mm_cvtsi128_si64): Likewise.
10298 (_mm_cvtsd_si64): Likewise.
10299 (_mm_cvttsd_si64): Likewise.
10300 (_mm_cvtsi64_sd): Likewise.
10301 (_mm_cvtsi64_si128): Likewise.
10302 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10303 (_mm_cvtsi64_m64): Likewise.
10304 (_m_to_int64): Likewise.
10305 (_mm_cvtm64_si64): Likewise.
10306 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10307 (_mm_cvttss_si64): Likewise.
10308 (_mm_cvtsi64_ss): Likewise.
10309 (_mm_cvtss_f32): Likewise.
10311 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10313 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10314 for pragma redefine_extname.
10316 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10319 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10320 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10321 -mno-minimal-toc to previous content.
10322 (bispecs): Remove goal.
10323 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10324 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10325 compatibility aliases on powerpc-*-*gnu*.
10326 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10327 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10328 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10329 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10330 (ldblspecs): New goal.
10331 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10332 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10334 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10335 L_sf_to_tf or L_df_to_tf is defined.
10337 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10338 Alan Modra <amodra@bigpond.net.au>
10341 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10342 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10343 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10344 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10345 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10346 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10347 (rs6000_override_options): Initialize rs6000_ieeequad.
10348 Initialize TFmode format to ibm_extended_format if not
10350 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10352 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10353 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10354 (function_arg_advance): IBM long double passed in two FPRs, not
10356 (function_arg): IBM long double passed in FPRs.
10357 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10358 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10359 Only multireg GPR aligned.
10360 (rs6000_init_libfuncs): Enable IBM long double functions if not
10362 (rs6000_generate_compare): Use IBM long double compare if not
10364 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10365 (TARGET_IEEEQUAD): Define.
10366 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10367 not TARGET_IEEEQUAD.
10368 * config/rs6000/rs6000.md: Enable TFmode patterns if
10370 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10371 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10372 and -mlong-double-128 are incompatible.
10373 * doc/invoke.texi (-mabi): Collect options together. Add
10374 ibmlongdouble and ieeelongdouble.
10376 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10378 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10380 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10381 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10382 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10383 * rtl.h (rtunion_def): Remove rt_ptr.
10385 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10386 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10387 * config/i386/winnt.c (i386_pe_mark_dllexport)
10388 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10390 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10392 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10394 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10398 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10399 pthread_key_delete. From John David Anglin. gthrw-ify
10400 pthread_getunique_np only if it it's not a macro. Delete
10402 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10403 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10404 __gthread_objc_condition_signal, __gthread_key_delete): Add
10405 "__attribute__ ((__unused__))" to unused arguments.
10406 (__gthread_recursive_mutex_init_function): Add missing return.
10407 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10408 gthr-posix95.h: Use macro-based approach for name redirection
10409 on targets missing weakref.
10411 2006-01-26 Zack Weinberg <zackw@panix.com>
10413 * genconditions.c (write_header): In generated code, #ifdef out
10414 all includes and fake declarations, except includes of bconfig.h
10415 and system.h, unless GCC_VERSION >= 3001. Do not include
10416 gensupport.h in any case.
10417 (write_conditions): Generate a definition of struct c_test. Add
10418 a comment to the generated #endif.
10419 (write_one_condition): Escape backslashes in string too.
10420 (write_writer): Generated code must escape backslashes and quote
10421 marks (but not newlines) in the strings it writes.
10422 * Makefile.in (build/gencondmd.o): Update dependencies.
10424 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10427 * Makefile.in (insn-automata.o): Add header file dependencies.
10428 * genautomata.c: Add includes.
10430 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10433 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10435 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10437 * configure.ac: Expect target tools paths to be passed from the toplevel
10438 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10440 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10442 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10445 * c.opt (Wpointer-sign): Init to -1.
10446 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10447 OPT_pedantic, to 0 otherwise.
10448 * doc/invoke.texi: Update.
10450 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10452 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10453 constants provided by 80387 instructions in the destination mode.
10455 2006-01-26 Richard Guenther <rguenther@suse.de>
10456 Andrew Pinski <pinskia@physics.uc.edu>
10459 partial PR tree-opt/17064
10460 * tree-ssa-structalias.c (intra_create_variable_infos):
10461 Create heap variables for incoming parameters if
10462 flag_argument_noalias > 1.
10463 (find_what_p_points_to): Look through default defs of
10466 2006-01-26 Jeff Law <law@redhat.com>
10469 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10470 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10471 within the VR_RANGE, use the VR_RANGE as the result, not the
10473 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10474 bounds for the type.
10476 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10478 * tree-ssa-alias.c (maybe_create_global_var): Change
10479 subvar walking to an assertion that we don't have subvar'd variables.
10481 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10484 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10485 Use a new variable, inner. PARM_DECLs are always non-weak.
10487 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10489 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10490 --disable-checking.
10492 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10494 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10496 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10498 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10499 (smax_insn, smin_insn, smax_0, smin_0): New.
10501 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10504 * config/cris/cris.c (cris_order_for_addsi3): New function.
10505 * config/cris/cris-protos.h: Prototype it.
10506 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10507 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10508 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10509 (split for "op.S1 [rx=rx+i],ry (swapped)")
10510 (split for "op(s|u).S1 [rx=rx+i],ry")
10511 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10512 Apply cris_order_for_addsi3 when generating addsi3 insns.
10514 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10516 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10517 (TREE_BLOCK): Add call to EXPR_CHECK.
10519 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10522 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10523 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10524 (dump_omp_clauses): ... here.
10525 (dump_generic_node): Handle OMP_CLAUSE.
10526 * tree.c (omp_clause_num_ops): New.
10527 (omp_clause_code_name): New.
10528 (tree_code_size): Handle OMP_CLAUSE.
10529 (tree_size): Likewise.
10530 (make_node): Document handling of OMP_CLAUSE.
10531 (tree_node_structure): Handle OMP_CLAUSE.
10532 (omp_clause_check_failed): New.
10533 (omp_clause_range_check_failed): New.
10534 (omp_clause_operand_check_failed): New.
10535 (build_omp_clause): New.
10536 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10537 * tree.h (enum omp_clause_code): Declare.
10538 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10539 (OMP_CLAUSE_RANGE_CHECK): Define.
10540 (OMP_CLAUSE_ELT_CHECK): Define.
10541 (omp_clause_check_failed): Declare.
10542 (omp_clause_operand_check_failed): Declare.
10543 (omp_clause_range_check_failed): Declare.
10544 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10545 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10546 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10547 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10548 (OMP_CLAUSE_IF_EXPR): Likewise.
10549 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10550 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10551 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10552 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10553 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10554 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10555 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10556 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10557 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10558 (OMP_CLAUSE_CODE): Define.
10559 (OMP_CLAUSE_SET_CODE): Define.
10560 (OMP_CLAUSE_CODE): Define.
10561 (OMP_CLAUSE_OPERAND): Define.
10562 (struct tree_omp_clause): Declare.
10563 (union tree_node): Add field 'omp_clause'.
10564 * treestruct.def (TS_OMP_CLAUSE): Define.
10565 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10566 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10567 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10568 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10569 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10570 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10571 (OMP_CLAUSE): Define.
10572 * print-tree.c (print_node): Handle OMP_CLAUSE.
10573 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10574 * c-typeck.c: Likewise.
10575 * gimplify.c: Likewise.
10576 * c-omp.c: Likewise.
10577 * tree-nested.c: Likewise.
10578 * tree-inline.c: Likewise.
10579 * c-parser.c: Likewise.
10580 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10583 2006-01-25 Roger Sayle <roger@eyesopen.com>
10585 PR rtl-optimization/25703
10586 * combine.c (try_combine): Handle zero_extract and strict_low_part
10587 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10589 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10591 * global.c: Fix comment typos.
10593 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10596 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10597 Use output_addr_const instead of assemble_name.
10599 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10601 * Makefile.in (sched-vis.o): Update dependencies.
10602 * haifa-sched.c (sched_finish): Clear current_sched_info.
10603 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10604 (dump_flow_info): Call it.
10605 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10607 * basic-block.h (dump_bb_info): Declare.
10608 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10609 option, and apply options only for dump files whose TDF_RTL,
10610 TDF_TREE, or TDF_IPA bits match.
10611 * rtl.h: Declare new functions exported from sched-vis.c.
10612 * sched-vis.c: Enable also if scheduling is not used.
10613 (print_value): Print the mode of registers if not inside scheduling.
10614 (print_insn): Make it work outside the scheduler. Beautify the output
10616 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10618 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10620 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10621 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10622 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10623 depending on the value of CONSTANT_POOL_ADDRESS_P.
10624 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10626 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10627 rather than SYMBOL_REF_DECL.
10628 (rtx_constant_pool): Remove const_rtx_sym_htab.
10629 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10630 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10631 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10632 Remove handling of const_rtx_sym_htab.
10633 (find_pool_constant): Delete.
10634 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10635 rather than find_pool_constant.
10636 (get_pool_constant_for_function): Delete.
10637 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10638 find_pool_constant.
10639 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10640 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10641 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10642 (SYMBOL_REF_CONSTANT): New macro.
10643 (get_pool_constant_for_function): Delete.
10644 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10645 rather than SYMBOL_REF_DECL.
10646 (i386_pe_mark_dllimport): Likewise.
10647 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10648 rather than SYMBOL_REF_DECL.
10649 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10650 (machopic_indirect_call_target): Likewise.
10652 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10654 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10656 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10658 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10660 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10662 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10664 2006-01-24 David Daney <ddaney@avtrex.com>
10667 * configure.ac (enable_tls): New enable option.
10668 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10669 * configure: Regenerate.
10670 * doc/install.texi (--enable-tls): Document new option.
10671 (--disable-tls): Ditto.
10673 2006-01-24 Richard Henderson <rth@redehat.com>
10675 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10676 * alias.c (true_dependence): Respect it.
10677 (canon_true_dependence, write_dependence_p): Likewise.
10678 * builtins.c (get_builtin_sync_mem): Set it.
10680 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10682 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10685 2006-01-24 DJ Delorie <dj@redhat.com>
10687 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10688 for storing constants in single-bit bitfields.
10690 2006-01-25 Ben Elliston <bje@au.ibm.com>
10692 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10694 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10697 * tree-ssa-pre.c (phi_translate): Return NULL
10698 for AGGREGATE_TYPE's.
10700 2006-01-24 Zack Weinberg <zackw@panix.com>
10702 * genautomata.c (process_state_for_insn_equiv_partition):
10703 Use xcalloc for insn_arcs_array.
10704 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10705 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10707 2006-01-24 Richard Henderson <rth@redhat.com>
10709 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10710 update all callers.
10712 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10714 PR rtl-optimization/25890
10715 PR rtl-optimization/25905
10716 * combine.c (expand_compound_operation, expand_field_assignment):
10717 Fail if the bitfield's final position is out of bounds.
10719 2006-01-24 Ian Lance Taylor <ian@airs.com>
10721 PR middle-end/25930
10722 * cgraphunit.c (cgraph_output_in_order): Don't clear
10723 cgraph_asm_nodes until after asm strings have been output.
10725 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10727 * fix-header.c (read_scan_file): Add new parameter imultilib when
10728 calling register_include_chains.
10730 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10732 * omp-low.c: Update documentation.
10734 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10735 Daniel Berlin <dberlin@dberlin.org>
10739 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10740 return from the function.
10742 2006-01-22 Zack Weinberg <zackw@panix.com>
10744 * rtl.def (match_code): Add second argument.
10745 * genpreds.c (write_extract_subexp): New function.
10746 (write_match_code): Add path argument. Use write_extract_subexp.
10747 (write_predicate_expr): Pass path to write_match_code.
10748 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10749 not perform a mode test.
10750 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10751 a subexpression does not constrain the top-level code set.
10752 * read-rtl.c (read_rtx_variadic): New function.
10753 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10754 * doc/md.texi: Document new notation.
10755 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10756 (cmpsi_operand): ... here, using new notation.
10758 2006-01-22 Zack Weinberg <zackw@panix.com>
10760 * varray.c: Remove GENERATOR_FILE #ifdefs.
10762 2006-01-22 Zack Weinberg <zackw@panix.com>
10764 * genautomata.c (output_reserved_units_table): Emit nothing if
10765 description->query_units_num is zero. Remove extra blank line.
10766 (output_cpu_unit_reservation_p): Short circuit
10767 if description->query_units_num is zero.
10769 2006-01-22 Zack Weinberg <zackw@panix.com>
10771 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10772 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10773 nor any of the random handful of variables that used to be necessary
10774 when this program was linked with rtlanal.o. Prune set of forward
10775 function declarations.
10776 (struct attr_desc): Remove static_p field.
10777 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10778 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10779 (attr_string): Do not read the character one past the length of
10781 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10782 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10783 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10784 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10785 (make_automaton_attrs): New.
10786 (main): Do not call into genautomata. Call local gen_bypass
10787 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10788 Remove special case for insn_alts.
10789 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10790 varray.h (leftover from previous change). Prune set of forward
10791 function declarations. Remove state_alts fields from all
10792 structures. Remove state_alts_table from struct automaton.
10793 Make everything except main static. Do not maintain num_dfa_decls.
10794 Do not maintain state_alts fields of various structures.
10795 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10796 (add_arc): Remove state_alts argument. All callers updated.
10797 (output_reserved_units_table): Emit #ifdef here...
10798 (output_tables): ...not here. Don't generate state_alts tables.
10799 (expand_automata): Don't generate attributes.
10800 (write_automata): Don't generate state_alts functions.
10801 (main): New function.
10802 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10803 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10804 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10805 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10806 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10807 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10808 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10809 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10811 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10812 * genattrtab.h: Delete file.
10813 * Makefile.in (OBJS-common): Add insn-automata.o.
10814 (insn-automata.o): New rule.
10815 (simple_generated_c): Add insn-automata.c.
10816 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10817 (genprogmd): Add automata.
10818 (build/genattrtab): Needs no extra objects nor libraries.
10819 (build/genautomata): Needs build/vec.o and -lm.
10821 2006-01-22 Zack Weinberg <zackw@panix.com>
10823 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10824 (output_dfa_max_issue_rate, locked_states_num): Delete.
10825 (struct automaton): Add locked_states field.
10826 (output_dead_lock_vect): Save number of locked states in
10827 automaton->locked_states. If it is zero, don't print anything.
10828 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10829 (output_internal_dead_lock_func): Only test the dead_lock_vect
10830 for automata that have locked states.
10831 (output_statistics): Always print the number of locked states for
10832 each automaton. Calculate total number of locked states here.
10833 (write_automata): Don't call output_dfa_max_issue_rate.
10834 * genattrtab.c: Define length_unit_log as a const variable.
10835 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10836 max_insn_queue_index const.
10837 * final.c (length_unit_log): Declare const.
10838 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10840 2006-01-22 Zack Weinberg <zackw@panix.com>
10842 * genautomata.c: Include vec.h, not varray.h.
10843 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10844 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10845 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10846 VEC_* macros operating on appropriately typed vectors, or to
10847 malloced arrays when the size is known in advance. Const-ify
10848 many char* variables and function arguments. No functional changes.
10849 * Makefile.in (build/varray.o): Delete rule.
10850 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10851 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10853 2006-01-22 Zack Weinberg <zackw@panix.com>
10855 * gensupport.c: Define get_insn_name and record_insn_name here.
10856 (read_md_rtx): Call record_insn_name as appropriate.
10857 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10858 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10859 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10861 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10862 (BUILD_VARRAY): Delete.
10863 (genprognormal): Rename genprogmd. Fold in all programs from
10864 genprognoprint; also attrtab.
10865 (build/genattrtab): Just mention genautomata.o and varray.o.
10866 Reorganize a bit, add comments to make the categories clearer.
10868 2006-01-22 Zack Weinberg <zackw@panix.com>
10870 * genconditions.c (condition_table, add_condition): Delete.
10871 (write_conditions): Don't emit n_insn_conditions nor
10872 insn_elision_unavailable. Issue the gcc version #ifdef here,
10873 inside the table, with no #else clause ...
10874 (write_header): ...not here.
10875 (write_writer): New function.
10876 (main): Don't initialize condition_table. Use add_c_test.
10878 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10879 files on the command line.
10880 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10881 Return -1 if there is no entry in the table, don't abort.
10882 (add_c_test, traverse_c_tests): New functions.
10883 * gensupport.h (insn_elision_unavailable, insn_conditions)
10884 (n_insn_conditions): Delete declarations.
10885 (add_c_test, traverse_c_tests): Declare.
10886 * read-rtl.c: Include gensupport.h.
10887 (read_conditions): New function.
10888 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10889 (read_rtx_1): If we get EOF when we were looking for an initial
10890 open paren, return 0. Call read_conditions when appropriate.
10891 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10892 dummy-conditions.o. Eliminate references to insn-conditions.o,
10893 or change them to build/gencondmd.o, as appropriate. Remove
10894 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10895 from $(simple_generated_c). For all files remaining in those
10896 two lists, add insn-conditions.md to the generator command line.
10897 Give insn-constants.h/s-constants their own rules. Add rules
10898 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10899 (build/read-rtl.o): Depend on gensupport.h.
10900 (genprognormal): Include preds.
10901 (genprogearly): Rename genprognoprint; only difference is now that
10902 they don't link with $(BUILD_PRINT).
10903 * dummy-conditions.c: Delete.
10905 2006-01-22 Zack Weinberg <zackw@panix.com>
10907 * genextract.c: Don't include insn-config.h. Do include vec.h.
10908 Declare vectors of int, char, and locstr.
10909 (locstr): New typedef.
10910 (struct extraction): Make all array fields into bare pointers.
10911 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10912 (insn_code_number): Delete.
10913 (accum_extract): New struct.
10914 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10915 (gen_insn): Take insn_code_number as an argument. Use an
10916 accum_extract structure instead of loading data directly into
10917 a struct extraction, and having to know how big it might get.
10918 (walk_rtx): Operate entirely on an accum_extract structure.
10919 (print_path): Avoid unnecessary use of printf.
10920 (print_header): New function, split out of main. Distinguish
10921 more carefully between an unrecognizable insn and an insn that
10922 has the code number of a define_expand.
10923 (main): Pass insn_code_number to gen_insn. Call print_header
10924 only after parsing. Avoid unnecessary use of printf.
10925 * Makefile.in (build/vec.o): New rule.
10926 (build/genextract): Depend on build/vec.o.
10927 (build/genextract.o): Don't depend on insn-config.h.
10929 2006-01-22 Zack Weinberg <zackw@panix.com>
10931 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10932 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10933 practical. Eliminate per-generator-program link rules.
10935 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10937 PR middle-end/24437
10938 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10939 with a call expr to ...
10940 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10942 2006-01-23 Richard Guenther <rguenther@suse.de>
10944 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10945 before make_edge with conditional EDGE_TRUE_VALUE.
10947 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10948 Jan Hubicka <jh@suse.cz>
10949 Richard Guenther <rguenther@suse.de>
10951 PR rtl-optimization/25654
10952 * cfgexpand.c (aggregate_contains_union_type): New function.
10953 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10954 for structure variables that contain a union type.
10956 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10958 * gengtype.c (new_structure): Return the structure.
10959 (create_option): Add an extra "next" argument.
10960 (create_field): New function.
10961 (adjust_field_rtx_def): Use create_option and create_field.
10962 Remove a now-unnecessary call to find_structure.
10963 (adjust_field_tree_def): Likewise.
10964 (note_yacc_type): Remove an unnecessary call to find_structure.
10965 * gengtype.h (new_structure): Return the structure.
10966 (create_option): Add an extra argument.
10967 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10968 (option): Adjust calls to create_option.
10970 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10972 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10974 2006-01-22 Paul Brook <paul@codesourcery.com>
10975 Peter Barada <peter@the-baradas.com>
10977 * config/m68k/m68k.md: Add Coldfire FPU support.
10978 Define FP mode macro and associated attributes.
10979 Use it for float mode patterns.
10980 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10981 (LIBCALL_VALUE): Use m68k_libcall_value.
10982 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10983 (m68k_function_value): Ditto.
10984 (emit_move_sequence): Ditto.
10985 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10986 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10987 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10988 (MULTILIB_EXCEPTIONS): Ditto.
10989 * config/m68k/m68k.opt: Add mcfv4e.
10990 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10991 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10992 (m68k_output_function_prologue): Save ColdFire FPU registers.
10993 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10994 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10995 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10996 ColdFire FPU registers.
10997 (m68k_libcall_value, m68k_function_value): New functions.
10998 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10999 (LIBCALL_VALUE): Use m68k_libcall_value.
11000 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11001 (MASK_COLDFIRE): Add MASK_CFV4E.
11002 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11003 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11004 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11005 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11006 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11007 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11008 * doc/invoke.tex: Document -mcfv4e on m68k.
11010 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11012 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11015 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11018 * c-opts.c (c_common_handle_option): Don't include
11019 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11020 * doc/invoke.texi (C++ Dialect Options): Document that
11021 -Wnon-virtual-dtor is no longer included in -Wall.
11023 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11025 * gcov.c (print_version), gcov-dump.c (print_version),
11026 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11029 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11031 * df-scan.c (problem_SCAN): Added NULL reset function.
11032 (df_scan_reset_blocks): Added code to call reset block function
11033 (df_bb_refs_delete) Fixed comment.
11034 (df_insn_refs_delete): Made tolerant of deleting non existent info
11035 for dataflow problems that need to be reset.
11036 * df-core.c (df_set_blocks): Ditto.
11037 * df.h (struct df_problem): Added reset_fun.
11038 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11039 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11040 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11041 functions to clear out all references to def-use or use-def chains.
11043 2006-01-21 Ben Elliston <bje@au.ibm.com>
11045 * varasm.c (assemble_real): Initialise data array.
11047 2006-01-20 Paul Brook <paul@codesourcery.com>
11049 Merge from csl-arm-branch.
11050 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11051 * config/arm/arm.md (movdi): Force operands[1] to a register
11052 if we have a non-register source.
11053 (*arm_movdi, *movdf_soft_insn): Require that one of the
11054 operands be a register.
11055 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11056 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11058 2006-01-20 DJ Delorie <dj@redhat.com>
11060 * varasm.c (initializer_constant_valid_p): Allow pointers
11061 initialized from integer constants of lesser precision.
11062 (output_constant): Allow non-int-sized pointer modes to be
11063 initialized from integer constants.
11065 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11068 * cppdefault.h (struct default_include): Add multilib flag.
11069 * cppdefault.c (cpp_include_defaults): Set it.
11070 * c.opt (-imultilib): New option.
11071 * c-opts.c (imultilib): New.
11072 (c_common_handle_option): Handle -imultilib.
11073 (c_common_post_options): Likewise.
11074 * c-incpath.c (add_standard_paths, register_include_chains):
11076 * c-incpath.h (register_include_chains): Add extra parameter.
11077 * gcc.c (do_spec_1): Generate -imultilib option.
11078 (The Specs Language): Update %I description.
11079 (process_command): Update copyright notice.
11080 * doc/cppopts.texi (-imultilib): Document.
11081 * doc/invoke.texi (-imultilib): Include in option summary.
11082 (%I): Update specs documentation.
11084 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11086 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11088 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11090 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11093 2006-01-20 Richard Guenther <rguenther@suse.de>
11094 Steven Bosscher <stevenb.gcc@gmail.com>
11096 PR rtl-optimization/24626
11097 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11098 EDGE_TRUE_VALUE if in RTL mode.
11101 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11102 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11104 2006-01-20 Dirk Mueller <dmueller@suse.com>
11107 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11108 instead of a special NOP marker.
11109 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11110 NOP marker handling.
11111 * c-common.h (empty_body_warning): Add forward declaration.
11112 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11113 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11115 2006-01-20 Paul Brook <paul@codesourcery.com>
11117 * Makefile.in (lang_checks): Keep going if mkdir fails.
11119 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11121 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11122 be able to clean out basic block when not necessary.
11123 (df_scan_free): Fixed to properly delete information if df is
11124 unused before calling df_finish.
11125 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11126 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11128 (df_bb_refs_delete): New function.
11129 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11130 * df-core.c (df_set_blocks): Added code to properly clean out
11131 unused blocks if they are not part of the blocks to consider.
11132 Added additional null check.
11133 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11134 be able to clean out basic block when not necessary
11135 * df.h (df_free_bb_function): Ditto.
11136 (df_bb_refs_delete): New function.
11137 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11138 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11139 basic block parameter to be able to clean out basic block when not
11141 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11142 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11143 Fixed to properly delete information if df is unused before
11146 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11148 PR rtl-optimization/25799
11149 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11150 Corrected confluence operator to remove bits from op2 before oring
11151 with op1 rather than removing bits from op1.
11152 (df_ru_transfer_function): Corrected test on wrong bitmap which
11153 caused infinite loop. Both of these problems were introduced in
11154 the dataflow rewrite.
11156 2006-01-19 DJ Delorie <dj@redhat.com>
11158 * reload1.c (find_reload_regs): Note the details of reload
11159 failures in the dump file.
11160 (spill_failure): Likewise.
11162 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11164 * loop-iv.c: Include df.h and hashtab.h.
11165 (enum iv_grd_result): New enum.
11166 (DF_REF_IV, DF_REF_IV_SET): New macros.
11167 (struct biv_entry): New.
11168 (df, bivs): New global variables.
11169 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11170 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11172 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11173 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11174 analyzed_for_bivness_p, record_biv): New functions.
11175 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11176 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11177 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11179 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11181 (iv_number_of_iterations): Use new interface to iv analysis.
11182 * loop-unroll.c: Do not include varray.h.
11183 (analyze_iv_to_split_insn): Use new interface to iv
11185 * loop-unswitch.c (may_unswitch_on): Ditto.
11186 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11188 (df_bb_modify): Realloc tables to the new index.
11189 (df_find_use): New function.
11190 * df.h (df_find_use): Declare.
11191 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11193 * cfgloop.h (struct rtx_iv): Remove analysed field.
11194 (iv_get_reaching_def): Removed.
11195 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11196 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11197 (loop-iv.o): Add df.h and hashtab.h dependency.
11198 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11200 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11203 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11205 (__floatundisf, __floatundidf): Likewise.
11206 * libgcc2.h (IS_IBM_EXTENDED): Define.
11208 2006-01-19 DJ Delorie <dj@redhat.com>
11210 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11212 2006-01-19 Paul Brook <paul@codesourcery.com>
11214 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11215 as nothrow when unwinding tables are disabled.
11217 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11220 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11221 of bit-field" when in system header.
11223 2006-01-19 DJ Delorie <dj@redhat.com>
11225 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11226 the 16 bit shift limit of the m16c.
11228 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11231 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11232 * config/i386/i386.c (output_set_got): Output the label if we have one
11233 for the TARGET_DEEP_BRANCH_PREDICTION case.
11235 2006-01-19 Jan Hubicka <jh@suse.cz>
11236 H.J. Lu <hongjiu.lu@intel.com>
11237 Evandro Menezes <evandro.menezes@amd.com>
11239 * invoke.texi (generic): Document
11241 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11242 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11243 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11244 (x86_use_incdec, x86_pad_returns): New variables
11245 (TARGET_CPU_DEFAULT_generic): New constant
11246 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11247 (enum processor_type): Add generic32 and generic64.
11248 * i386.md (cpu attribute): Add generic32/generic64
11249 (movhi splitter): Behave sanely when both partial_reg_dependency and
11250 partial_reg_stall are set.
11251 (K8 splitters): Enable for generic as well.
11252 * predicates.md (incdec_operand): Use TARGET_INCDEC
11253 (aligned_operand): Avoid memory mismatch stalls.
11254 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11255 * ppro.md: Enable for generic32
11256 * i386.c (generic64_cost, generic32_cost): New.
11257 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11258 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11259 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11260 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11261 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11262 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11263 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11264 x86_accumulate_outgoing_args, x86_prologue_using_move,
11265 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11266 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11267 Enable for generic.
11268 (x86_use_incdec, x86_pad_returns): New.
11269 (override_options): Add generic32 and generic64, translate "generic"
11270 to generic32/generic64 and "i686" to "generic32", refuse
11271 "generic32"/"generic64" as arch target.
11272 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11273 (ix86_reorg): Honor PAD_RETURNS.
11275 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11277 * tree-pretty-print.c (dump_generic_node): Handle
11278 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11279 * cgraph.c (cgraph_expand_queue): Rename from
11280 cgraph_analyze_queue. Update all users.
11281 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11282 cgraph_expand_queue.
11283 (cgraph_expand_all_functions): Likewise.
11284 (cgraph_finalize_pending_functions): Remove. Update callers.
11286 * tree.h (OMP_DIRECTIVE_P): Define.
11287 (OMP_PARALLEL_FN): Define.
11288 (OMP_PARALLEL_DATA_ARG): Define.
11289 (OMP_SECTIONS_SECTIONS): Define.
11290 * tree-pass.h (pass_expand_omp): Declare.
11291 * omp-low.c (struct omp_region): Declare.
11292 (struct omp_context): Remove fields 'parallel_type',
11293 'parallel_start_ix' and 'parallel_start_additional_args'.
11295 (struct omp_for_data): Rename from struct expand_omp_for_data.
11296 (omp_regions): New static variable.
11297 (root_omp_region): New static variable.
11298 (find_omp_clause): Make static.
11299 (is_in_combined_parallel_ctx): Remove.
11300 (is_combined_parallel): New.
11301 (extract_omp_for_data): Move earlier in the file.
11302 (workshare_safe_to_combine_p): New.
11303 (get_ws_args_for): New.
11304 (determine_parallel_type): Move earlier in the file.
11305 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11307 (omp_copy_decl): Likewise.
11308 (create_omp_child_function): Likewise.
11309 (lookup_omp_region): New.
11310 (dump_omp_region): New.
11311 (debug_omp_region): New.
11312 (debug_all_omp_regions): New.
11313 (new_omp_region): New.
11314 (scan_omp_parallel): If parallel_nesting_level > 1, the
11315 directive is nested within another parallel directive.
11316 Set OMP_PARALLEL_FN.
11317 (scan_omp_for): Do not try to handle combined parallel+for
11319 Remove FIXME comment.
11320 (scan_omp_nested): Remove.
11321 (scan_omp_1): Do not call scan_omp_nested when
11322 parallel_nesting_level is > 1.
11323 Do not change the DECL_CONTEXT of local variables found.
11324 (lookup_decl_in_outer_ctx): New.
11325 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11326 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11327 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11328 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11329 If CTX is nested, lookup VAR in the outer context when
11330 building copy assignment.
11331 (lower_send_clauses): Rename from expand_send_clauses.
11332 If CTX is nested, lookup VAR in the outer context when
11333 building copy assignments.
11334 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11335 If CTX is nested, lookup VAR in the outer context when
11336 building copy assignments.
11337 (expand_parallel_call): Rename from build_parallel_call.
11338 Handle combined parallel+workshare cases.
11339 Re-implement to emit code into the CFG.
11341 (expand_omp_parallel): Re-implement to emit code into the CFG.
11342 Call move_sese_region_to_fn to outline the sub-graph
11343 containing the parallel region.
11344 (expand_omp_for_1): Remove.
11345 (expand_omp_for_generic): Re-implement to emit code into the
11347 (expand_omp_for_static_nochunk): Likewise.
11348 (expand_omp_for_static_chunk): Likewise.
11349 (expand_omp_for): Likewise.
11350 (expand_omp_sections): Likewise.
11351 (remove_exit_barriers): New.
11352 (expand_omp_synch): New.
11354 (build_omp_regions_1): New.
11355 (build_omp_regions): New.
11356 (execute_expand_omp): New.
11357 (gate_expand_omp): New.
11358 (pass_expand_omp): Define.
11359 (lower_omp_sections): Rename from expand_omp_sections.
11360 Set OMP_SECTIONS_SECTIONS.
11361 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11362 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11363 (lower_omp_single): Rename from expand_omp_simple.
11364 (lower_omp_master): Rename from expand_omp_master.
11365 (lower_omp_ordered): Rename from expand_omp_ordered.
11366 (lower_omp_critical): Rename from expand_omp_critical.
11367 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11368 (lower_omp_for): Re-implement.
11369 (lower_omp_parallel): Re-implement.
11370 (lower_regimplify): Rename from expand_regimplify.
11371 (lower_omp_1): Rename from expand_omp_1.
11372 If there are syntax errors in the program, replace every
11373 OpenMP directive with NOP.
11374 Call lower_omp_* instead of expand_omp_*.
11375 (lower_omp): Rename from expand_omp.
11377 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11378 * tree-gimple.h (enum omp_parallel_type): Remove.
11379 (gimple_boolify): Declare extern.
11380 (find_omp_clause, determine_parallel_type): Remove.
11382 * gimple-low.c (lower_omp_directive): New.
11383 (lower_stmt): Call it.
11384 (record_vars_into): Move from ...
11385 (record_vars): ... here.
11386 Call record_vars_into with current_function_decl.
11388 * gimplify.c (struct gimplify_ctx): Remove fields
11389 combined_pre_p and combined_ctxp. Update users.
11390 (get_formal_tmp_var): Add documentation.
11391 (gimple_boolify): Make extern.
11392 (gimplify_expr_in_ctx): Remove. Update callers.
11393 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11394 will always be a BIND_EXPR.
11395 (gimplify_expr): Handle OMP_RETURN_EXPR.
11396 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11397 (OMP_PARALLEL): Add 3 operands.
11398 (OMP_SECTIONS): Add 1 operand.
11399 (OMP_RETURN_EXPR): Define.
11401 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11402 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11403 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11404 creating a circular free list.
11405 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11407 * tree-flow.h (move_sese_region_to_fn): Declare.
11408 (record_vars_into): Declare.
11409 * tree-cfg.c (make_omp_sections_edges): New.
11410 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11411 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11412 OMP_SECTIONS and OMP_SECTION.
11413 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11414 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11415 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11416 (gather_blocks_in_sese_region): New.
11417 (struct move_stmt_d): Declare.
11418 (move_stmt_r): New.
11419 (move_block_to_fn): New.
11420 (move_sese_region_to_fn): New.
11422 * passes.c (init_optimization_passes): Schedule
11423 pass_expand_omp after pass_init_datastructures.
11425 * tree-ssa-operands.c (get_expr_operands): Handle
11426 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11427 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11429 2006-01-19 Jeff Law <law@redhat.com>
11431 * tree-vrp.c (extract_range_from_assert): Refine the result range
11432 if the variable referenced by the ASSERT_EXPR has a range and
11433 either the tentative result range or the previous range is a
11436 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11438 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11440 2006-01-19 Jan Hubicka <jh@suse.cz>
11442 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11444 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11446 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11447 (expand_compound_operation, expand_field_assignment): Fail if the
11448 bit lengths of an extract operation are out of range.
11449 (make_extraction): Compute wanted_inner_mode based on the position
11450 and length of the extraction. Make it extraction_mode for non-constant
11451 positions, and do not modify offset in that case. When generating a
11452 new MEM, use a mode that can hold the extraction while keeping correct
11453 alignment. Remove code that supported MEMs wrapped by USEs.
11454 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11456 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11458 * config/s390/s390.md ("Y", "y"): New mode attribute.
11459 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11460 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11461 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11462 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11463 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11464 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11465 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11466 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11467 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11468 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11469 "addsi3", "subsi3"): Insn patterns removed.
11470 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11471 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11472 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11473 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11474 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11475 "*sub<mode>3_cconly2"): New insn patterns.
11476 ("addsi3", "subsi3"): New expanders.
11478 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11480 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11481 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11482 existing STMT_VINFO_VECTYPE if available.
11483 (vect_mark_relevant): Add special handling for stmts that are
11484 marked as STMT_VINFO_IN_PATTERN_P.
11485 (vect_analyze_loop): Call vect_pattern_recog.
11486 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11487 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11489 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11490 (vect_recog_func_ptr): New function-pointer type.
11491 * tree-vect-patterns.c: New file.
11492 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11493 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11494 (vect_pattern_recog_1): New functions.
11495 (vect_pattern_recog_funcs): New array of function pointers.
11497 * tree-vectorizer.h (ternary_op): New enum value.
11498 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11499 declaration. Revised documentation. Removed redundant dump prints.
11500 Removed redundant argument. Added support for reduction patterns.
11501 (vectorizable_reduction): Added support for reduction patterns.
11502 (vect_transform_stmt): Added support for patterns.
11504 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11505 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11506 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11507 (expand_widen_pattern_expr): New function.
11508 (init_optabs): Initialize new optabs udot_prod_optab,
11510 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11511 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11512 (expand_widen_pattern_expr): New function declaration.
11513 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11515 * tree-inline.c (estimate_num_insns_1): Added cases for new
11516 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11517 * tree-pretty-print.c (dump_generic_node): Likewise.
11518 (op_prio): Likewise.
11519 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11520 * tree-ssa-operands.c (get_expr_operands): Added case for
11522 * tree-vect-patterns.c (widened_name_p): New function.
11523 (vect_recog_dot_prod_pattern): Added function implementation.
11524 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11525 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11526 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11527 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11529 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11530 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11531 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11532 (init_optabs): Initialize new optabs widen_ssum_optab,
11534 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11535 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11536 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11537 use instead of type of def.
11538 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11539 function implementation.
11540 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11541 widen_ssumv8hi): New.
11543 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11546 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11549 * c-decl.c (add_flexible_array_elts_to_size): New function.
11550 (finish_decl): Use it.
11552 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11554 * diagnostic.h: Include options.h.
11555 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11556 dependancies for diagnostic.h.
11557 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11559 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11561 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11562 (ssa_ro_call_cache_valid): Ditto.
11563 * tree-ssa-alias.c (sort_tags_by_id): New function.
11564 (init_transitive_clobber_worklist): Ditto.
11565 (add_to_worklist): Ditto.
11566 (mark_aliases_call_clobbered): Ditto.
11567 (compute_tag_properties): Ditto.
11568 (set_initial_properties): Ditto.
11569 (compute_call_clobbered): Ditto.
11570 (compute_may_aliases): Call compute_call_clobbered and grouping.
11571 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11572 (compute_flow_insensitive_aliasing): Grouping now happens in our
11574 (setup_pointers_and_addressables): Remove clobbering related code.
11575 (add_may_alias): Ditto.
11576 (replace_may_alias): Ditto.
11577 (get_nmt_for): Ditto.
11578 (create_global_var):
11579 (is_escape_site): Return an escape_type enumeration.
11580 * tree-flow-inline.h (is_call_clobbered): Global var does not
11581 imply call clobbered.
11582 (mark_call_clobbered): Take a reason for marking this. Remove
11583 marking of globalness, and cache invalidation.
11584 (clear_call_clobbered): Remove cache invalidation code.
11585 * tree-dfa.c (dump_variable): If details is on, dump the reason
11587 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11589 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11590 (struct var_ann_d): Ditto.
11591 (enum escape_type): New.
11592 (mark_call_clobbered): Adjust prototype.
11593 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11594 are never call clobbered.
11595 Record reasons for escaping.
11596 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11597 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11598 (ssa_ro_call_cache_valid): Ditto.
11599 (clobbered_v_may_defs): Ditto.
11600 (clobbered_vuses): Ditto.
11601 (ro_call_vuses): Ditto.
11602 (clobber_stats): New.
11603 (init_ssa_operands): Zero out clobber stats.
11604 (fini_ssa_operands): Print out clobber stats.
11605 (get_call_expr_operands): Pass callee fndecl to
11606 add_call_read_ops).
11607 (add_call_clobber_ops): Remove use of cache.
11608 Add use of PURE_CONST information.
11609 (add_call_read_ops): Remove use of cache.
11610 Add use of static not_read information.
11612 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11614 Introduce TLS descriptors for i386 and x86_64.
11615 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11616 (TARGET_ANY_GNU_TLS): New macro.
11617 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11618 (struct machine_function): Add tls_descriptor_call_expanded_p.
11619 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11620 (ix86_current_function_calls_tls_descriptor): Likewise.
11621 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11622 (override_options): Introduce gnu2 tls dialect.
11623 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11625 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11627 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11628 (ix86_init_machine_status): Initialize new field.
11629 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11630 (ix86_tls_module_base): New.
11631 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11632 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11633 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11634 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11635 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11636 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11637 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11638 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11639 * config/i386/predicates.md (tls_modbase_operand): New.
11640 (tp_or_register_operand): New.
11642 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11644 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11645 (look_for_address_of): Ditto.
11646 (ipa_init): Walk the function decls.
11647 (static_execute): Don't set readonly on FUNCTION_DECL's.
11649 2006-01-18 Roger Sayle <roger@eyesopen.com>
11651 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11652 for shifts where the source and destination registers are different.
11654 2006-01-18 Paul Brook <paul@codesourcery.com>
11656 Merge from csl-arm-branch.
11657 2005-03-14 Julian Brown <julian@codesourcery.com>
11658 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11659 (aeabi_llsl): Likewise.
11660 (ashrdi3): Likewise.
11661 (aeabi_lasr): Likewise.
11662 (lshrdi3): Likewise.
11663 (aeabi_llsr): Likewise.
11664 2005-03-10 Julian Brown <julian@codesourcery.com>
11665 * config.gcc: Disable shared libgcc for SymbianOS.
11666 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11668 2006-01-18 DJ Delorie <dj@redhat.com>
11670 * c-pragma.c (handle_pragma_diagnostic): New.
11671 (init_pragma): Register it.
11672 * doc/extend.texi: Document it.
11674 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11675 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11676 (diagnostic_context): Add classify_diagnostic[].
11677 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11678 as errors if they're overridden to DK_WARNING.
11679 (diagnostic_initialize): Initialize classify_diagnostic[].
11680 (diagnostic_set_kind_override): New.
11681 (diagnostic_report_diagnostic): Check for kind changes.
11682 * opts.c (common_handle_option): Take lang_mask. Update callers.
11683 Handle OPT_Werror_.
11684 * common.opt (Werror=): New.
11685 * doc/invoke.texi: Document -Werror=*
11687 2006-01-18 Jeff Law <law@redhat.com>
11689 * tree-vrp.c (test_for_singularity): Correct test for new
11690 min limit. Use operand_equal_p rather than pointer equality
11691 for testing if new min/max values are equal.
11693 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11694 using range information until after propagation and folding.
11696 2006-01-18 Richard Henderson <rth@redhat.com>
11697 Aldy Hernandez <aldyh@redhat.com>
11698 Jakub Jelinek <jakub@redhat.com>
11699 Diego Novillo <dnovillo@redhat.com>
11701 * omp-low.c: New file.
11702 * c-omp.c: New file.
11704 2006-01-18 Richard Henderson <rth@redhat.com>
11705 Jakub Jelinek <jakub@redhat.com>
11706 Diego Novillo <dnovillo@redhat.com>
11708 * doc/invoke.texi: Document -fopenmp.
11709 * tree-dump.h (debug_function): Declare.
11710 * hooks.c (hook_bool_tree_bool_false): New function.
11711 (hook_tree_tree_null): Remove.
11712 (hook_tree_tree_tree_null): New.
11713 * hooks.h: Update to match.
11714 * tree-pretty-print.c (debug_tree_chain): New.
11715 (print_generic_expr): Handle TDF_CHAIN.
11716 (dump_generic_node): Handle BLOCK.
11717 Do not abort with incomplete SWITCH_EXPRs.
11718 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11719 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11720 print space after directive name.
11721 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11722 Handle OMP_MASTER and OMP_ORDERED.
11723 Handle printing of OMP_BODY just in one place, goto
11724 dump_omp_body in the rest of OMP_* nodes that have
11726 Don't handle clause nodes here. Update omp statements to
11727 use dump_omp_clauses.
11728 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11729 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11730 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11731 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11732 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11733 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11734 Adjust output for GOMP_PARALLEL.
11735 (dump_omp_clauses): New.
11736 (print_declaration): Dump DECL_VALUE_EXPR.
11737 (op_symbol_1): Split out of op_symbol.
11738 (dumping_stmts): Remove. Update all users.
11739 * cgraph.c (cgraph_analyze_queue): New.
11740 (cgraph_add_new_function): New.
11741 * cgraph.h (cgraph_analyze_queue): Declare.
11742 (cgraph_add_new_function): Declare.
11743 (cgraph_lower_function): Remove.
11744 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11745 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11746 and TYPE_P nodes in its default clause.
11747 (empty_body_p): New.
11748 (tree_range_check_failed): New.
11749 (build5_stat): New.
11750 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11751 OMP_CLAUSE_REDUCTION_MERGE,
11752 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11753 OMP_CLAUSE_PRIVATE_DEBUG,
11754 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11755 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11756 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11757 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11758 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11759 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11760 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11761 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11762 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11763 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11764 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11765 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11766 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11767 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11768 (TREE_RANGE_CHECK): New.
11769 (empty_body_p): Declare.
11770 (enum omp_clause_default_kind): New.
11771 (build_string_literal): Declare.
11772 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11773 (build5_stat, build5): Declare.
11774 * tree-pass.h (TDF_CHAIN): Define.
11775 * tree-pass.h (PROP_gimple_lomp): Define.
11776 (pass_lower_omp): Declare.
11777 * diagnostic.h (debug_tree_chain): Declare.
11778 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11780 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11781 * builtins.c (build_string_literal): Make extern.
11782 * gcc.c (include_spec_function): New.
11783 (static_spec_functions): Add it.
11784 (main): Move load of libgomp.spec ...
11785 (LINK_COMMAND_SPEC): ... here.
11786 (link_gomp_spec): New.
11787 (static_specs): Include it.
11788 (LINK_COMMAND_SPEC): Add link_gomp.
11789 (GOMP_SELF_SPECS): New.
11790 (driver_self_specs): Include it.
11791 (switch_matches): Don't mark inline.
11792 (main): Load libgomp.spec.
11793 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11794 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11795 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11796 * tree-gimple.h (enum omp_parallel): Declare.
11797 (determine_parallel_type): Declare.
11798 (omp_firstprivatize_variable): Declare.
11799 (omp_reduction_init): Declare.
11800 (diagnose_omp_structured_block_errors): Declare.
11801 (struct walk_stmt_info): Add want_return_expr.
11802 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11803 (find_omp_clause): Declare.
11804 (insert_field_into_struct): Declare.
11805 (struct walk_stmt_info): Move from tree-nested.c
11806 (walk_stmts): Declare.
11807 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11809 * cgraphunit.c (cgraph_lower_function): Make static.
11810 (cgraph_finalize_pending_functions): New.
11811 (cgraph_finalize_function): Call it.
11812 (cgraph_finalize_compilation_unit): Likewise.
11813 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11814 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11815 (BT_FN_UINT_UINT): New.
11816 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11817 DEF_FUNCTION_TYPE_VAR_4): Document.
11818 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11819 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11820 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11821 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11822 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11823 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11824 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11825 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11826 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11827 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11828 into separate files.
11829 (DEF_GOMP_BUILTIN): New.
11830 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11831 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11832 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11833 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11834 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11835 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11836 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11837 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11838 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11839 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11840 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11841 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11842 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11843 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11844 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11845 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11846 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11847 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11848 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11849 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11850 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11851 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11852 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11853 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11854 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11855 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11856 * sync-builtins.def: New file, moved from builtins.def.
11857 * omp-builtins.def: New file, moved from builtins.def.
11858 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11859 * gimple-low.c (lower_function_body): Clear data.
11860 (lower_stmt): Do not handle COMPOUND_EXPR.
11861 Remove call to print_node_brief.
11862 * c-tree.h (c_finish_omp_clauses): New prototype.
11863 (C_DECL_THREADPRIVATE_P): Define.
11864 (lookup_name_no_remap, c_omp_remap_private): Remove
11865 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11866 (check_for_loop_decls): Update decl.
11867 (lookup_name_no_remap, c_omp_remap_private): Declare.
11868 (build_indirect_ref, build_modify_expr, pushdecl,
11869 pushdecl_top_level): Move to c-common.h.
11870 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11871 before the switch, but just in the 2 places that need it.
11872 * c-decl.c (diagnose_mismatched_decls): Do not check for
11873 mismatched thread-local attributes when OLDDECL is marked
11874 threadprivate and NEWDECL has no thread-local attributes.
11875 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11876 (c_gimple_diagnostics_recursively): Rename from
11877 c_warn_unused_result_recursively. Invoke
11878 diagnose_omp_structured_block_errors.
11879 (check_for_loop_decls): Return a singular decl found.
11880 * langhooks.c (lhd_omp_predetermined_sharing): Return
11881 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11882 (lhd_omp_firstprivatize_type_sizes): New.
11883 (lhd_omp_assignment): New.
11884 (lhd_omp_predetermined_sharing): New.
11885 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11886 (struct lang_hooks_for_types): Add
11887 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11888 omp_predetermined_sharing, omp_disregard_value_expr,
11889 omp_private_debug_clause, omp_clause_default_ctor,
11890 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11891 (c_finish_omp_clauses): New.
11892 (c_finish_bc_stmt): Diagnose break within omp for.
11893 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11894 (build_unary_op): Return error_mark after reporting
11896 (build_modify_expr): Likewise.
11897 * gimplify.c: Include optabs.h and pointer-set.h.
11898 (enum gimplify_omp_var_data): Declare.
11899 (struct gimplify_omp_ctx): Declare.
11900 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11902 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11903 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11904 (splay_tree_compare_decl_uid): New.
11905 (new_omp_context): New.
11906 (delete_omp_context): New.
11907 (gimple_add_tmp_var): Call omp_add_variable.
11908 (gimplify_bind_expr): Likewise.
11909 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11910 true, disregard DECL_VALUE_EXPR on the decl if any.
11911 (gimplify_expr_in_ctx): New.
11912 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11913 omp_add_variable, omp_notice_variable, omp_is_private
11914 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11915 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11916 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11917 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11918 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11919 gimplify_omp_atomic): New.
11920 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11921 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11922 OMP_CRITICAL and OMP_ATOMIC.
11923 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11924 * c-pragma.h (enum pragma_kind): Add
11925 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11926 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11927 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11928 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11929 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11930 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11931 PRAGMA_OMP_THREADPRIVATE.
11932 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11933 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11934 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11935 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11936 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11937 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11938 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11939 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11940 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11941 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11942 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11943 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11944 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11946 (struct nesting_info): Add field_map,
11947 suppress_expansion, debug_var_chain.
11948 (create_nesting_tree): Initialize them.
11949 (lookup_field_for_decl): Use field_map.
11950 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11951 (convert_local_omp_clauses): New.
11952 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11953 (walk_body): Split out of walk_function.
11954 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11955 (convert_nonlocal_reference): Handle omp statements.
11956 (convert_local_reference): Likewise.
11957 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11958 (unnest_nesting_tree): New.
11959 (lower_nested_functions): Call it.
11960 (insert_field_into_struct): Make extern.
11961 (struct walk_stmt_info): Move to tree-gimple.h.
11962 (walk_stmts): Make extern.
11963 * omp-builtins.def: New file.
11964 * tree-iterator.c (expr_only): Clarify comment.
11965 * c-common.h (pushdecl_top_level, pushdecl,
11966 build_modify_expr, build_indirect_ref,
11967 c_finish_omp_master, c_finish_omp_critical,
11968 c_finish_omp_ordered, c_finish_omp_barrier,
11969 c_finish_omp_atomic, c_finish_omp_flush,
11970 c_finish_omp_for, c_split_parallel_clauses,
11971 omp_clause_default_kind, c_omp_sharing_predetermined,
11972 c_omp_remap_decl): Declare.
11973 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11974 (OBJS-common): Add omp-low.o.
11975 (c-omp.o, omp-low.o): Add.
11976 (gimplify.o): Add dependency on $(OPTABS_H).
11977 (GTFILES): Add omp-low.c.
11978 (gt-stringpool.h): Add.
11979 * tree-cfg.c (set_bb_for_stmt): Do not update the
11980 block-to-labels map if we are currently expanding to RTL.
11981 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11983 Handle IDENTIFIER_NODE.
11984 (tree_verify_flow_info): Do not ICE when emitting error
11985 messages about invalid labels.
11986 (dump_function_to_file): Reset CFUN before emitting the body
11988 (debug_function): New.
11989 * passes.c (init_optimization_passes): Schedule
11991 * langhooks-def.h (lhd_omp_predetermined_sharing,
11992 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11994 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11995 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11996 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11997 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11998 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11999 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12000 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12001 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12002 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12003 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12004 (LANG_HOOK_DECLS): Use them.
12006 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12007 Richard Henderson <rth@redhat.com>
12008 Jakub Jelinek <jakub@redhat.com>
12009 Diego Novillo <dnovillo@redhat.com>
12011 * c-parser.c (pragma_omp_clause): Define.
12012 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12013 (c_parser_compound_statement): Likewise.
12014 (c_parser_statement): Likewise.
12015 (c_parser_pragma): Handle omp pragmas.
12016 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12017 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12018 (c_parser_omp_clause_name, check_no_duplicate_clause,
12019 c_parser_omp_variable_list,
12020 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12021 c_parser_omp_clause_copyprivate,
12022 c_parser_omp_clause_default,
12023 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12024 c_parser_omp_clause_lastprivate,
12025 c_parser_omp_clause_nowait,
12026 c_parser_omp_clause_num_threads,
12027 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12028 c_parser_omp_clause_reduction,
12029 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12030 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12031 c_parser_omp_atomic, c_parser_omp_barrier,
12032 c_parser_omp_critical, c_parser_omp_flush,
12033 c_parser_omp_for_loop, c_parser_omp_for,
12034 c_parser_omp_master, c_parser_omp_ordered,
12035 c_parser_omp_sections_scope, c_parser_omp_sections,
12036 c_parser_omp_parallel, c_parser_omp_single,
12037 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12038 * c-pragma.c (init_pragma): Do omp pragma registration here.
12039 * c.opt (fopenmp): New flag.
12041 2006-01-18 Eric Christopher <echristo@apple.com>
12043 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12044 * config/darwin.h (GOMP_SELF_SPECS): Define.
12046 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12048 * rtl.h: Remove the prototype for reg_alloc.
12050 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12053 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12054 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12055 sjlj and dwarf2 exception handling.
12056 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12057 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12058 * pa/pa.c (function_value): Treat complex and vector types as
12060 (function_arg): Likewise. Only pass scalar floats in the floating
12061 point argument registers.
12062 * pa/t-slibgcc-dwarf-ver: New file.
12063 * pa/t-slibgcc-sjlj-ver: New file.
12064 * pa/t-slibgcc-elf-ver: Delete file.
12066 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12068 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12069 unlikely_test_section_p test.
12071 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12073 * mode-switching.c (optimize_mode_switching): Make it static.
12074 * basic-block.h: Remove the prototype for
12075 optimize_mode_switching.
12077 * modulo-sched.c (sms_schedule): Make it static.
12078 * rtl.h: Remove the prototype for sms_schedule.
12080 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12081 * rtl.h: Remove the prototype for gcse_after_reload_main.
12083 * reg-stack.c (reg_to_stack): Make it static.
12084 * rtl.h: Remove the prototype for reg_to_stack.
12086 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12088 * rtl.h: Remove the prototypes for regrename_optimize and
12089 copyprop_hardreg_forward.
12091 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12093 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12094 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12095 Test against the appropriate null constant for the mode.
12096 If 'fixup_overlap' is true, swap the operands if they overlap.
12097 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12098 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12099 alpha_split_tmode_pair and adjust for above change.
12100 * config/alpha/alpha.md (movtf_internal): Adjust call to
12101 alpha_split_tfmode_pair and rely on it to swap the operands.
12102 (movti_internal): New insn and post-reload splitter.
12103 (movti): New expander.
12105 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12107 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12110 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12112 * rtlanal.c (global_reg_mentioned_p_1,
12113 global_reg_mentioned_p): Remove.
12114 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12116 * flow.c (initialize_uninitialized_subregs): Make it static.
12117 * rtl.h: Remove the prototype for
12118 initialize_uninitialized_subregs.
12120 * function.c (instantiate_virtual_regs): Make it static.
12121 * function.h: Remove the prototype for
12122 instantiate_virtual_regs.
12124 * regmove.c (regmove_optimize, combine_stack_adjustments):
12126 * rtl.h: Remove the prototypes for regmove_optimize and
12127 combine_stack_adjustments.
12129 2006-01-17 Roger Sayle <roger@eyesopen.com>
12131 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12132 (size_cost): Encode costs in bytes so that a reg-reg addition is
12133 equivalent to COSTS_N_INSNS(1).
12134 (override_options): Use the size_cost.branch_cost as the default
12135 ix86_branch_cost when optimizing for size.
12137 2006-01-18 Ben Elliston <bje@au.ibm.com>
12139 * Makefile.in (D32PBIT_FUNCS): New.
12140 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12141 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12142 D64PBIT_FUNCS and D128PBIT_FUNCS.
12143 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12144 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12146 (decnumber_dep): Define.
12147 * doc/libgcc.texi (Decimal float library routines): New node.
12148 * config/dfp-bit.h, config/dfp-bit.c: New files.
12150 2006-01-18 Ben Elliston <bje@au.ibm.com>
12152 * expr.c (emit_move_change_mode): Always adjust addresses, not
12153 just during reload. Copy replacements only during reload.
12154 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12155 emit_move_via_integer.
12157 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12159 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12160 instead of $(srcdir) and ${srcdir}.
12162 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12165 PR middle-end/11135
12166 * arm.h (struct machine_function): Add pic_reg.
12167 * arm.c (arm_pic_register): Make unsigned.
12168 (arm_override_options): Only set arm_pic_register if
12169 TARGET_SINGLE_PIC_BASE.
12170 (use_return_insn): Only test for a pic register if it is fixed.
12171 (arm_compute_save_reg0_reg12_mask): Likewise.
12172 (thumb_compute_save_reg_mask): Likewise.
12173 (legitimate_pic_operand): Factor out some known invariants.
12174 (legitimize_pic_address): If we don't have a fixed pic register,
12175 then set up a pseudo in the function entry sequence. Handle the
12176 pic base being in a pseudo.
12177 (arm_load_pic_register): Handle the pic register being in a pseudo.
12178 (arm_expand_prologue): Only set up the pic register if it is fixed.
12179 (thumb_expand_prologue): Likewise.
12180 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12181 (pic_load_addr_based_insn): Likewise.
12182 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12185 2006-01-18 Ben Elliston <bje@au.ibm.com>
12187 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12188 decimal float modes for all floating point registers.
12190 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12191 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12193 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12196 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12197 even when the pointer is not NULL.
12199 2006-01-16 Ian Lance Taylor <ian@airs.com>
12201 * common.opt (ftoplevel-reorder): New option.
12202 * cgraph.c (cgraph_asm_nodes): New global variable.
12203 (cgraph_asm_last_node): New static variable.
12204 (cgraph_order): New global variable.
12205 (cgraph_create_node): Set new order field.
12206 (cgraph_varpool_node): Likewise.
12207 (decide_is_variable_needed): Return true if not
12208 flag_toplevel_reorder.
12209 (cgraph_add_asm_node): New function.
12210 * cgraph.h (struct cgraph_node): Add order field.
12211 (struct cgraph_varpool_node): Add order field.
12212 (struct cgraph_asm_node): Define.
12213 (cgraph_asm_nodes, cgraph_order): Declare.
12214 (cgraph_add_asm_node): Declare.
12215 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12217 (cgraph_varpool_assemble_pending_decls): Call it.
12218 (cgraph_output_pending_asms): New static function.
12219 (cgraph_finalize_compilation_unit): Call it.
12220 (struct cgraph_order_sort): Define.
12221 (cgraph_output_in_order): New static function.
12222 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12223 !flag_toplevel_reorder case.
12224 * c-parser.c: Include "cgraph.h".
12225 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12227 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12228 than -fno-unit-at-a-time.
12229 * doc/invoke.texi (Option Summary): Mention
12230 -fno-toplevel-reorder.
12231 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12232 -funit-at-a-time documentation.
12234 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12235 Kazu Hirata <kazu@codesourcery.com>
12237 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12239 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12241 * Makefile.in (FUNCTION_H): New. Use it instead of
12242 function.h throughout the file.
12243 * function.h: Include tree.h.
12245 2006-01-17 Ben Elliston <bje@au.ibm.com>
12247 * recog.c: Separate some functions with whitespace.
12249 2006-01-16 Richard Henderson <rth@redhat.com>
12251 Merge from gomp branch:
12252 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12253 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12254 and rename from struct inline_data. Rename callee* to dst*;
12255 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12256 transform_new_cfg, transform_return_to_modify, and
12257 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12259 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12260 (copy_decl_for_dup): Remove.
12261 * tree-inline.c (struct inline_data): Move to header.
12262 (insert_decl_map): Export.
12263 (remap_decl): Update for member name changes. Use copy_decl hook.
12264 Allow for replacement to be a non-decl. Remove dead code.
12265 (remap_type_1): Check for existing mapping.
12266 (remap_type): Export.
12267 (remap_decls): Update for member name changes.
12268 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12269 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12270 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12271 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12272 (tree_function_versioning, build_duplicate_type): Likewise.
12273 (copy_body_r): Likewise. Export.
12274 (copy_decl_for_dup): Split into ...
12275 (copy_decl_for_dup_finish, copy_decl_to_var,
12276 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12277 (replace_ref_tree, inlining_p): Remove.
12279 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12281 * ifcvt.c (if_convert): Make it static.
12282 * rtl.h: Remove the prototype for if_convert.
12284 * local-alloc.c (local_alloc): Make it static.
12285 * rtl.h: Remove the prototype for local_alloc.
12287 * loop.c (loop_optimize): Make it static.
12288 * cfgloop.h: Remove the prototype for loop_optimize.
12291 2006-01-16 DJ Delorie <dj@redhat.com>
12293 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12296 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12298 * pa.md: Disparage copies between general and floating-point registers
12299 in 32-bit move patterns.
12301 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12304 * Makefile.in (check-%): Depend on site.exp instead of
12305 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12308 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12310 * global.c (global_alloc): Make it static.
12311 * rtl.h: Remove the prototype for global_alloc.
12313 2006-01-16 Richard Guenther <rguenther@suse.de>
12315 * tree-ssa-alias.c (struct used_part): Add write_only field.
12316 (get_or_create_used_part_for): Initialize it to true.
12317 (create_overlap_variables_for): Don't create structure variables
12318 for structures that only are written to.
12319 (find_used_portions): Handle MODIFY_EXPR to track whether a
12320 structure is only written to.
12322 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12324 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12326 * basic-block.h: Remove the prototype for
12327 partition_hot_cold_basic_blocks.
12329 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12331 * cppspec.c (lang_specific_spec_functions): Remove.
12332 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12333 * gcc.h (lang_specific_spec_functions): Remove.
12334 * gccspec.c (lang_specific_spec_functions): Remove.
12336 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12338 * combine.c (record_value_for_reg): Invalidate registers
12340 (record_dead_and_set_regs_1): Likewise, by passing them to
12341 record_value_for_reg.
12342 (record_dead_and_set_regs): Invalidate stores made by a
12343 call. We do not combine across a call, but we still
12344 relied on equivalences.
12346 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12348 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12349 vrp_int_const_binop returning non-constant nodes.
12351 2006-01-16 Paul Brook <paul@codesourcery.com>
12353 * config/m68k/m68k.c (output_move_const_into_data_reg):
12354 Output correct mnemonic for mvz and mvs.
12356 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12358 * rtl-factoring.c: Add sequence abstraction algorithm.
12359 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12360 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12362 (block_has_preserve_label): New function.
12363 * common.opt: Register new pass.
12364 * Makefile.in: Ditto.
12366 * timevar.def: Ditto.
12367 * tree-pass.h: Ditto.
12368 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12369 * rtl.h (make_jump_insn_raw): Add forward decl.
12370 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12372 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12373 Roger Sayle <roger@eyesopen.com>
12375 * fold-const.c (fold_minmax): New static function.
12376 (fold_binary) <MIN_EXPR>: Call it.
12377 <MAX_EXPR>: Likewise.
12378 * stor-layout.c (place_field): Use DECL_SIZE consistently
12379 in the computation of the new record size.
12381 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12383 * cse.c (cse_condition_code_reg): Make it static.
12384 * rtl.h: Remove the prototype for cse_condition_code_reg.
12386 * combine.c (combine_instructions): Make it static.
12387 * rtl.h: Remove the prototype for combine_instructions.
12389 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12392 * tree.c (get_file_function_name_long): Concatenate the first global
12393 object name with a string derived from the input filename of the object
12396 2006-01-16 Ben Elliston <bje@au.ibm.com>
12398 * config/i386/winnt-stubs.c: Update FSF address.
12399 * config/xtensa/ieee754-df.S: Ditto.
12400 * config/xtensa/ieee754-sf.S: Ditto.
12402 2006-01-14 Ian Lance Taylor <ian@airs.com>
12404 * ifcvt.c (noce_init_if_info): New static function, broken out of
12405 noce_process_if_block.
12406 (noce_process_if_block): Call noce_init_if_info.
12407 (check_cond_move_block): New static function.
12408 (cond_move_process_if_block): New static function.
12409 (process_if_block): Call cond_move_process_if_block.
12411 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12413 * cselib.c (hash_table): Rename to cselib_hash_table.
12414 (cselib_clear_table, discard_useless_values,
12415 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12416 cselib_init, cselib_finish): Adjust uses of hash_table.
12418 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12420 PR tree-optimization/25485
12421 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12422 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12423 is known to be false and true, respectively.
12425 2006-01-14 Richard Guenther <rguenther@suse.de>
12427 PR tree-optimization/22548
12428 PR tree-optimization/22555
12429 PR tree-optimization/22501
12430 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12431 * params.def (salias-max-array-elements): New parameter.
12432 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12433 * doc/invoke.texi (salias-max-array-elements): Document.
12434 * tree-flow-inline.h (var_can_have_subvars): We also handle
12436 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12438 * tree-ssa-structalias.c (params.h): Include.
12439 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12440 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12441 (get_constraint_for): For ADDR_EXPR operating on something
12442 containing an ARRAY_REF, add all subvars to the solution.
12443 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12444 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12445 for creating MUST_DEFs.
12446 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12448 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12450 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12452 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12453 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12454 number_of_iterations_le): New functions.
12455 (number_of_iterations_special): Removed.
12456 (number_of_iterations_exit): Do not use number_of_iterations_special.
12457 * tree.c (unsigned_type_for): Always return integer type.
12459 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12460 Richard Guenther <rguenther@suse.de>
12462 PR rtl-optimization/24257
12463 * gcse.c (find_moveable_store): Only consider a store movable
12464 when the SET_SRC of the insn can be assigned to a register.
12466 2006-01-14 Ian Lance Taylor <ian@airs.com>
12468 * tree.c (tree_not_class_check_failed): New function.
12469 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12470 (tree_not_class_check_failed): Declare.
12472 2006-01-13 Ian Lance Taylor <ian@airs.com>
12474 * reload1.c (do_output_reload): Add assertion rejecting a
12477 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12479 * combine.c (struct reg_stat): Add new fields truncation_label and
12481 (record_value_for_reg): Reset truncated_to_mode.
12482 (record_truncated_value): New function.
12483 (check_promoted_subreg): Call it. Rename to check_conversions.
12484 (combine_instructions): Rename check_promoted_subreg to
12486 (reg_truncated_to_mode): New function.
12487 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12488 (gen_lowpart_or_truncate): New function.
12489 (force_to_mode): Use it instead of gen_lowpart.
12491 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12493 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12494 VAR is a tag, not its type tag.
12496 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12498 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12499 alternatives to match style of other entries.
12500 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12502 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12504 PR tree-optimization/25771
12505 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12508 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12511 * tree-inline.c (declare_return_variable): If the return variable
12512 was marked as a non gimple complex, set the return slot variable
12513 to be a non gimple comple variable.
12515 2006-01-13 Richard Guenther <rguenther@suse.de>
12517 * builtins.c (expand_builtin_sincos): New function.
12518 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12520 (expand_builtin): Expand sincos using expand_builtin_sincos.
12522 2006-01-12 DJ Delorie <dj@redhat.com>
12524 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12525 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12526 so that constant shifts can be split.
12527 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12528 (m32c_valid_pointer_mode): Make static.
12529 (shift_gen_func_for): New.
12530 (m32c_prepare_shift): Use it. Split large const shifts into
12532 * config/m32c/predicates.md (shiftcount_operand): Allow more
12534 (longshiftcount_operand): New.
12535 * doc/md.texi (Machine Constraints): Document In6.
12537 2006-01-13 Ben Elliston <bje@au.ibm.com>
12539 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12540 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12543 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12545 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12546 to try to avoid clobbering pieces of structures when we know
12547 something about the whole structure.
12548 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12550 2006-01-13 Ben Elliston <bje@au.ibm.com>
12552 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12553 return in memory, as this is no limitation is no longer present.
12555 2006-01-12 DJ Delorie <dj@redhat.com>
12557 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12558 mova with fb, and for fb+0 -> An.
12560 * config/m32c/mov.md (peephole2): Fix enabling logic.
12562 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12563 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12564 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12565 FINI_ARRAY_SECTION_ASM_OP): Define.
12567 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12569 (m32c_legitimize_reload_address): New logic to reload FB to An.
12570 (m32c_output_reg_push): Add newline.
12571 (m32c_output_reg_pop): Likewise.
12573 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12575 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12577 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12579 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12581 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12583 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12586 2006-01-11 Ben Elliston <bje@au.ibm.com>
12588 * rtlanal.c (find_reg_note): Assert insn is not null.
12590 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12592 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12595 2006-01-11 Jeff Law <law@redhat.com>
12597 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12599 (mark_threaded_blocks, register_jump_thread): New functions.
12600 (thread_through_all_blocks): Remove unwanted argument. No
12601 longer rely on e->aux to communicate thread target info.
12602 Call mark_threaded_blocks. Release the threaded_blocks
12603 bitmap and threaded_edges vector when complete.
12604 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12605 (threaded_blocks): Remove.
12606 (tree_ssa_dominator_optimize): Remove initialization and
12607 finalization of threaded_blocks. Simplify call to
12608 thread_through_all_blocks.
12609 (thread_across_edge): Call register_jump_thread rather than
12610 storing thread information into e->aux.
12611 (free_all_edge_infos): Simplify now that e->aux is no longer
12612 used to communicate with thread_through_all_blocks.
12613 * tree-flow.h (thread_through_all_blocks): Update prototype.
12614 (register_jump_thread): Prototype.
12616 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12618 * df-core.c (df_compact_blocks, df_bb_replace): Use
12619 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12621 2006-01-11 Richard Guenther <rguenther@suse.de>
12623 PR tree-optimization/25734
12624 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12625 stop propagation after successful propagation to the LHS.
12627 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12629 * basic-block.h (control_flow_graph): Change the type of
12630 x_basic_block_info to VEC(basic_block,gc) *.
12631 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12633 (SET_BASIC_BLOCK): New.
12634 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12635 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12636 * cfgbuild.c (find_basic_blocks): Likewise.
12637 * cfglayout.c (fixup_reorder_chain): Likewise.
12638 * cfgrtl.c (create_basic_block_structure,
12639 rtl_create_basic_block): Likewise.
12640 * ifcvt.c (find_if_case_1): Likewise.
12641 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12644 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12646 * Makefile.in: Removed rotted odf.c entry.
12648 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12651 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12652 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12653 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12654 output pattern modifier, not %e.
12655 * config/cris/cris.c (cris_op_str): Update comment about pattern
12657 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12658 before falling through into...
12659 <case 'E'>: Redefined from old 'e' case.
12661 2006-01-11 Jan Hubicka <jh@suse.cz>
12664 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12666 2006-01-11 Jan Hubicka <jh@suse.cz>
12668 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12669 * i386.c (x86_decompose_lea): Kill.
12670 (ix86_rtx_costs): Kill.
12672 2006-01-11 Jan Hubicka <jh@suse.cz>
12674 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12675 * cgraph.h (cgraph_node): Add inline_decl.
12676 (cgraph_insert_node_to_hashtable): Declare.
12677 (save_inline_function_body): Declare.
12678 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12680 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12681 (cgraph_function_versioning): Update call of tree_function_versioning.
12682 (save_inline_function_body): New function.
12683 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12684 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12685 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12686 (cgraph_default_inline_p): Likewise.
12687 (cgraph_decide_inlining_incrementally): Likewise.
12688 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12689 (copy_bb): Kill saving; do updating of clones.
12690 (copy_cfg_body): Kill saving.
12691 (initialize_inlined-parameters): Likewise.
12692 (expand_call_inline): Likewise.
12694 (tree_function_versioning): New parameter "update_clones".
12695 (inlining_p): Kill saving.
12696 * tree-inline.h (tree_function_versioning): Update prototype.
12697 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12700 2006-01-11 Ian Lance Taylor <ian@airs.com>
12702 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12703 Allow undoing set of machine mode.
12704 (do_SUBST): Use enums instead of is_int.
12705 (do_SUBST_MODE): New function.
12706 (SUBST_MODE): New macro.
12707 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12708 reg and trying to replace reg_regno_rtx with a new register.
12709 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12710 (simplify_set): Use SUBST_MODE.
12711 (distribute_notes): Remove code that tried to update reg notes
12712 for regno_reg_rtx changes.
12714 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12716 PR tree-optimization/23109
12717 PR tree-optimization/23948
12718 PR tree-optimization/24123
12720 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12721 * tree-cfg.c (single_noncomplex_succ): New.
12722 * tree-flow.h (single_noncomplex_succ): Declare it.
12723 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12724 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12725 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12726 insert_bb, register_division_in, insert_reciprocals,
12727 replace_reciprocal, free_bb): New.
12728 (execute_cse_reciprocals_1): Rewritten.
12729 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12730 Do not commit any edge insertion. Always compute dominators and
12731 create the allocation pool.
12732 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12733 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12734 * targhooks.c (default_min_divistions_for_recip_mul): New.
12735 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12736 * passes.c (init_optimization_passes): Run recip after tree loop
12738 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12740 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12741 Kenneth Zadeck <zadeck@naturalbridge.com>
12743 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12744 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12745 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12746 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12747 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12748 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12749 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12750 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12751 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12752 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12753 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12754 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12755 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12756 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12757 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12758 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12759 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12760 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12761 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12762 DF_SCAN_POST_ALLOC): New macros.
12763 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12764 df_free_bb_function, df_local_compute_function, df_init_function,
12765 df_dataflow_function, df_confluence_function_0,
12766 df_confluence_function_n, df_transfer_function,
12767 df_finalizer_function, df_free_function, df_dump_problem_function,
12768 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12769 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12770 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12771 df_urec_bb_info, ) New types.
12772 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12774 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12775 df_analyze_simple_change_some_blocks,
12776 df_analyze_simple_change_one_block, df_compact_blocks,
12777 df_bb_replace, df_bb_regno_last_use_find,
12778 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12779 df_insn_regno_def_p, df_find_def, df_find_use,
12780 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12781 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12782 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12783 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12784 debug_df_chain, df_get_dependent_problem, df_chain_create,
12785 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12786 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12787 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12788 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12789 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12790 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12791 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12792 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12793 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12794 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12795 df_reorganize_refs, df_set_state, df_hard_reg_init,
12796 df_read_modify_subreg_p) New public functions.
12797 * df-core.c: The core dataflow solver and glue routines for rtl
12799 (df_init, df_add_problem, df_set_blocks, df_finish,
12800 df_hybrid_search_forward, df_hybrid_search_backward,
12801 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12802 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12803 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12804 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12805 df_reg_defined, df_find_use, df_reg_used, df_dump,
12806 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12807 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12808 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12809 debug_df_useno, reset_df_after_reload): New functions.
12810 * df-scan.c: The scanning fuctions, once in df.c, completely
12811 rewritten so that they now fully model the functionality of
12812 register usage at the backend.
12813 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12814 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12815 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12816 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12817 df_get_artificial_defs, df_get_artificial_uses,
12818 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12819 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12820 df_refs_delete, df_reorganize_refs, df_set_state,
12821 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12822 df_def_record_1, df_defs_record, df_uses_record,
12823 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12824 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12825 df_record_exit_block_uses, df_hard_reg_init): New functions.
12827 * df-problems.c: Seven concrete dataflow problems that use the
12828 scanning in df-scan.c and are solved by the engine in df-core.c.
12829 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12830 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12831 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12832 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12833 df_ru_free_bb_info, df_ru_alloc,
12834 df_ru_bb_local_compute_process_def,
12835 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12836 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12837 df_ru_transfer_function, df_ru_free, df_ru_dump,
12838 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12839 df_rd_free_bb_info, df_rd_alloc,
12840 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12841 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12842 df_rd_transfer_function, df_rd_free, df_rd_dump,
12843 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12844 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12845 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12846 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12847 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12848 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12849 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12850 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12851 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12852 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12853 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12854 df_urec_mark_reg_use_for_earlyclobber,
12855 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12856 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12857 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12858 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12859 df_chain_create_bb_process_use, df_chain_create_bb,
12860 df_chain_finalize, df_chain_free, df_chains_dump,
12861 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12862 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12863 df_reg_lifetime): New functions.
12864 * df.c: Deleted file.
12865 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12866 consistent with new df api.
12867 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12868 rest_of_handle_sms): Ditto.
12869 * web.c (unionfind_union, union_defs, entry_register, web_main):
12871 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12872 invariant_expr_equal_p, find_defs, check_dependencies,
12873 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12874 free_inv_motion_data, move_loop_invariants): Ditto.
12875 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12876 Update dependencies.
12877 (odf.c): Added defective entry that was deleted later in day.
12878 * sched-deps.c (sched_analyze_1): Ditto.
12880 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12882 * tree-ssa-operands.c (get_expr_operands): Record addressable
12883 variables directly. Do not call add_stmt_operands for CONST_DECLs
12885 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12886 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12888 2006-01-11 Ben Elliston <bje@au.ibm.com>
12890 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12891 function returns true in the positive case.
12893 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12896 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12897 for SI, DI, SF and DF modes. Add alternatives to copy between
12898 general and floating point registers to the 32-bit patterns.
12899 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12900 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12901 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12902 generating 64-bit code.
12903 * config/pa/pa.c (output_move_double): Handle copies between general
12904 and floating registers.
12906 2006-01-10 Stuart Hastings <stuart@apple.com>
12908 * config/i386/i386.md (set_got): Update.
12909 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12910 (builtin_setjmp_receiver): Mach-O support.
12911 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12912 (GOT_SYMBOL_NAME): Define.
12913 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12914 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12915 * config/i386/i386.c (override_options): Revise for Darwin.
12916 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12917 support. (darwin_x86_file_end): New. (output_set_got): Add label
12918 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12919 * config/i386/i386-protos.h (output_set_got): Likewise.
12920 * config/darwin.c (machopic_legitimize_pic_address): Update
12923 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12925 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12926 when MODE isn't BLKmode.
12928 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12930 PR rtl-optimization/25367
12931 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12933 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12936 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12937 for a negative bound.
12939 2006-01-10 Richard Guenther <rguenther@suse.de>
12941 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12942 Never override with anything constraint.
12944 2006-01-10 Jan Beulich <jbeulich@novell.com>
12946 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12947 256 bits when optimize_size.
12949 2006-01-10 Jan Beulich <jbeulich@novell.com>
12951 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12953 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12954 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12957 2006-01-10 Ben Elliston <bje@au.ibm.com>
12959 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12961 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12962 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12963 (USE_FP_FOR_ARG): Reject decimal float modes.
12964 (function_arg_advance): Likewise.
12965 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12966 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12967 point types in AltiVec vectors.
12968 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12969 (rs6000_libcall_value): Likewise.
12971 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12973 * config/xtensa/ieee754-df.S: New file.
12974 * config/xtensa/ieee754-sf.S: New file.
12975 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12976 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12977 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12979 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12981 * config/sh/predicates.md (binary_float_operator,
12982 binary_logical_operator, commutative_float_operator,
12983 equality_comparison_operator, greater_comparison_operator,
12984 less_comparison_operator, logical_operator,
12985 noncommutative_float_operator, shift_operator,
12986 symbol_ref_operand, unary_float_operator): Remove redundant
12989 2006-01-09 Jeff Law <law@redhat.com>
12991 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12992 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12993 now unused arguments. Callers updated.
12994 (eliminate_redundant_computations): Remove now unused arguments,
12996 (local_fold): Remove, no longer used.
12997 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12999 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13000 (simplify_cond): New function.
13001 (forward_propagate_into_cond): Call simplify_cond.
13003 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13005 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13006 (*vec_extractv2di_1_sse): New.
13008 2006-01-09 Ben Elliston <bje@au.ibm.com>
13010 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13012 2006-01-08 Richard Guenther <rguenther@suse.de>
13014 * tree-ssa-structalias.c (get_constraint_for): Remove
13015 anyoffset argument.
13016 (get_constraint_for_component_ref): Likewise.
13017 (do_deref): Likewise.
13018 (get_constraint_for): Likewise.
13019 (do_structure_copy): Likewise.
13020 (handle_ptr_arith): Likewise.
13021 (find_func_aliases): Likewise. Remove unused need_anyoffset
13024 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13025 Kaz Kojima <kkojima@gcc.gnu.org>
13027 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13028 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13029 (EXTRA_CONSTRAINT_C16): Remove.
13030 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13031 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13032 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13033 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13034 constants of SHmedia. Handle nested constant expressions of
13036 (andcosts): Fix the costs for SHmedia constants.
13037 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13038 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13039 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13040 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13041 (movv4hi_i, movv2si_i): Likewise.
13042 (movsi_const): Adjust the second operand of ior so to match with
13043 the Csu constraint.
13044 (movdi_const, movdi_const_32bit): Likewise.
13045 (movdi_const_16bit+1): Don't sign-extend LOW.
13046 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13048 (*double_shori): Fix the split condition. Use GEN_INT instead
13049 of get_int_mode calls. Mask lower 16-bit of the argument of
13051 (sym2GOTPLT): Remove.
13052 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13054 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13055 instead of EXTRA_CONSTRAINT_C16.
13057 2006-01-07 Ian Lance Taylor <ian@airs.com>
13058 David Edelsohn <edelsohn@gnu.org>
13060 PR rtl-optimization/25662
13061 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13062 for constant operands instead of simplify_gen_binary.
13063 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13064 after trying simplify_binary_operation
13066 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13068 * tree.c (iterative_hash_expr): Hash decls based on UID.
13070 2006-01-06 Eric Christopher <echristo@apple.com>
13072 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13073 (TARGET_UNWIND_EMIT): Fix spelling.
13074 * target.h (gcc_target): Add except_table_label.
13075 * except.c (output_function_exception_table): Use.
13076 * varasm.c (default_emit_except_table_label): New.
13077 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13079 (asm_out): Add here.
13080 * output.h (default_emit_except_table_label): Prototype.
13081 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13082 * config/darwin.c (darwin_emit_except_table_label): Define.
13083 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13085 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13087 PR tree-optimization/18527
13088 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13089 number_of_iterations_special, number_of_iterations_exit):
13090 Move base and step of an iv to a single structure. Add
13091 no_overflow flag, and use it in # of iterations analysis.
13092 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13093 folded_casts argument.
13094 (simple_iv): Pass base and step in a structure. Set no_overflow
13096 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13097 Evaluate expensiveness of computing # of iterations instead of
13098 the final expression.
13099 * tree-scalar-evolution.h (affine_iv): New structure.
13100 (simple_iv): Declaration changed.
13101 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13102 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13103 find_givs_in_stmt): Changed due to simple_iv change.
13105 2006-01-06 Jeff Law <law@redhat.com>
13108 * tree-cfg.c (bsi_replace): Rename final argument from
13109 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13110 change (stmt -> orig_stmt).
13111 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13112 (bsi_remove): Add new argument. Remove EH information
13114 (verify_eh_throw_table_statements): New function.
13115 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13117 * tree-optimize.c (execute_free_cfg_annotations): Verify
13118 the EH throw statement table after removing annotations.
13119 * except.h (verify_eh_throw_table_statements): Prototype.
13120 * tree-flow.h (bsi_remove): Update prototype.
13121 * tree-vrp.c (remove_range_assertions): Add new argument to
13123 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13124 * tree-complex.c (expand_complex_div_wide): Likewise.
13125 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13126 * tree-tailcall.c (eliminate_tailcall): Likewise.
13127 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13128 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13129 * tree-nrv.c (tree_nrv): Likewise.
13130 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13131 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13132 (combine_blocks): Likewise.
13133 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13134 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13135 (cleanup_control_flow): Likewise.
13136 (remove_forwarder_block): Likewise.
13137 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13138 * tree-sra.c (sra_replace): Likewise.
13139 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13140 (forward_propagate_single_use_vars): Likewise.
13141 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13142 * tree-inline.c (expand_call_inline): Likewise.
13143 * tree-vect-transform.c (vect_transform_loop): Likewise.
13144 * tree-outof-ssa.c (rewrite_trees): Likewise.
13145 * tree-cfg.c (make_goto_expr_edges): Likewise.
13146 (cleanup_dead_labels): Likewise.
13147 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13148 (bsi_move_before, bsi_move_after): Likewise.
13149 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13150 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13152 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13155 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13157 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13158 on non gimple variables. Also add checks at the top for decls and
13160 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13162 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13163 and IMAGPART_EXPR for creating MUST_DEFs.
13164 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13165 and NAME_MEMORY_TAG separately from the DECLs.
13167 2006-01-06 Richard Guenther <rguenther@suse.de>
13169 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13170 annotation, if necessary.
13171 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13172 redundant calls to update_stmt.
13173 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13176 2006-01-05 Richard Henderson <rth@redhat.com>
13178 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13180 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13182 * c-typeck.c: Update copyright date.
13184 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13186 * c-typeck.c (build_c_cast): Always warn when casting
13187 from a pointer to an integer of different size, even if
13188 the node was constant.
13190 2006-01-05 Richard Guenther <rguenther@suse.de>
13192 PR tree-optimization/22555
13193 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13194 if one structure field is an array.
13195 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13196 operands even if we found a subvar, but ignore VOPs in this
13198 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13200 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13202 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13204 PR middle-end/24998
13205 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13207 2006-01-05 Richard Guenther <rguenther@suse.de>
13208 Diego Novillo <dnovillo@redhat.com>
13210 * tree-pass.h (TODO_remove_unused_locals): Define.
13211 * gimple-low.c (expand_var_p, remove_useless_vars,
13212 pass_remove_useless_vars): Remove. Update all users.
13213 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13214 (remove_unused_locals): New function.
13215 * tree-flow.h (remove_unused_locals): Declare.
13216 * passes.c (execute_todo): Call remove_unused_locals if
13217 TODO_remove_unused_locals is set.
13218 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13219 * tree-ssa-dce.c (pass_dce): Likewise.
13220 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13222 2006-01-05 Richard Guenther <rguenther@suse.de>
13224 * tree-flow.h (struct fieldoff): Decompose field to
13225 type, size and decl.
13226 * tree-ssa-alias.c (create_sft): Take type as parameter.
13227 (create_overlap_variables_for): Store type, size and decl
13228 in the fieldoff structure.
13229 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13230 of struct fieldoff.
13231 (push_fields_onto_fieldstack): Likewise.
13232 (create_variable_info_for): Likewise. Use offset for the
13233 SFT name if the decl is not available.
13235 2006-01-04 Paul Brook <paul@codesourcery.com>
13237 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13239 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13241 * lambda-code.c (can_put_in_inner_loop): Relax
13243 (can_put_after_inner_loop): New function.
13244 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13245 (perfect_nestify): Change to make copies and modify uses.
13247 2006-01-04 Richard Henderson <rth@redhat.com>
13249 Merge from gomp branch:
13250 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13251 via integer constant.
13252 (pragma_lex): Remove.
13253 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13254 rather than parsing it.
13255 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13256 handle_pragma_extern_prefix): Add %< %> quotes.
13257 (registered_pragmas): New.
13258 (c_register_pragma_1): New.
13259 (c_register_pragma): Use it.
13260 (c_register_pragma_with_expansion): Likewise.
13261 (c_invoke_pragma_handler): New.
13262 (init_pragma): Use cpp_register_deferred_pragma directly for
13264 * c-pragma.h (enum pragma_kind): New.
13265 (pragma_handler): New.
13266 (c_invoke_pragma_handler): Declare.
13267 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13269 * c-common.h (c_common_pch_pragma): Update decl.
13270 * Makefile.in (c-parser.o): Update dependencies.
13271 (GTFILES): Add c-pragma.h.
13272 * c-parser.c (struct c_token): Add pragma_kind.
13273 (struct c_parser): Add in_pragma.
13274 (c_lex_one_token): Always initialize keyword and pragma_kind.
13275 Extract data for CPP_PRAGMA.
13276 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13277 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13278 Don't allow CPP_PRAGMA_EOL if in_pragma.
13279 (c_parser_consume_pragma): New.
13280 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13281 (c_parser_skip_to_end_of_parameter): Likewise.
13282 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13283 (c_parser_skip_to_pragma_eol): New.
13284 (c_parser_external_declaration): Handle CPP_PRAGMA.
13285 (c_parser_compound_statement_nostart): Likewise.
13286 (c_parser_statement_after_labels): Likewise.
13287 (c_parser_pragma): New.
13288 (pragma_lex): Likewise.
13289 (c_parser_pragma_pch_preprocess): New.
13290 (c_parser_new): Merge into ...
13291 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13293 2006-01-04 Jeff Law <law@redhat.com>
13296 * tree-cfg.c (bsi_replace): Remove the original statement
13297 from the EH throw statement table.
13299 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13301 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13302 make the prototype extern "C" and add throw ().
13305 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13306 and pos non-negative and pos + len <= 32.
13307 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13308 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13309 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13312 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13313 as well as sizes not multiple of component size.
13316 * function.c (instantiate_expr): New function.
13317 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13318 walk its DECL_VALUE_EXPR with instantiate_expr.
13320 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13321 DW_OP_deref{,_size} if address isn't going to be added.
13323 2006-01-04 Ben Elliston <bje@au.ibm.com>
13325 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13326 * config/fp-bit.c: Likewise.
13328 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13330 * dominance.c: Add comment about why we use DFS numbering
13333 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13334 Richard Henderson <rth@redhat.com>
13336 Merge from gomp-branch:
13337 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13338 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13340 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13342 PR rtl-optimization/25578
13343 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13344 pass a parameter to simplify_shift_const if changing ASHIFTRT
13347 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13349 * builtins.c (get_builtin_sync_mem): New function.
13350 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13351 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13352 Call get_builtin_sync_mem to generate mem rtx.
13354 2006-01-03 Richard Guenther <rguenther@suse.de>
13357 * stmt.c (add_case_node): Make sure to clear overflow flags
13360 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13362 Merge from gomp-branch.
13363 * config/sparc/sync.md: New file.
13364 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13365 UNSPECV_LDSTUB): New constants.
13366 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13367 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13368 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13371 2006-01-03 Roger Sayle <roger@eyesopen.com>
13373 * combine.c (reg_subword_p): New predicate to test whether the
13374 destination of a set refers to a subword/piece of a register.
13375 (try_combine): Generalize the code to merge the setting of a
13376 pseudo to a constant followed by a set of a subword of that
13377 register to a constant.
13379 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13381 * basic-block.h (control_flow_graph): Change the type of
13382 x_label_to_block_map to VEC(basic_block,gc) *.
13383 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13384 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13386 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13387 VEC(basic_block,heap) *.
13388 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13389 ssa_prop_fini): Adjust the uses of cfg_blocks.
13391 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13393 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13395 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13396 hashing trees instead of a pointer hash.
13397 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13398 compare for MEM_EXPR.
13400 PR rtl-optimization/25130
13401 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13402 when comparing MEMs for GCSE
13404 2006-01-03 Ben Elliston <bje@au.ibm.com>
13406 * targhooks.h (default_decimal_float_supported_p): Declare.
13407 * targhooks.c (default_decimal_float_supported_p): Define.
13408 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13409 `default_decimal_float_supported_p'.
13410 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13412 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13414 * combine.c (apply_distributive_law <SUBREG>): Check
13415 TRULY_NOOP_TRUNCATION.
13417 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13419 * dwarf2out.c (have_switched_text_section): Delete.
13420 (have_multiple_function_sections): New.
13421 (have_location_lists): Make 'bool'.
13422 (add_AT_loc_list): Use 'true' not '1'.
13423 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13424 (output_loc_list): Use have_multiple_function_sections.
13425 (output_ranges): Likewise.
13426 (dwarf2out_begin_function): Set have_multiple_function_sections if
13428 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13429 Check function_section rather than DECL_SECTION_NAME.
13430 (dwarf2out_finish): Use have_multiple_function_sections.
13431 Don't clear have_location_lists.
13433 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13434 Jan Hubicka <jh@suse.cz>
13436 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13437 case of conditional jump jumping to the next instruction.
13438 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13439 cases of conditional jump jumping to the next instruction.
13441 2006-01-02 Jan Hubicka <jh@suse.cz>
13443 * i386.c (*_cost): Add COSTS_N_INSNS.
13444 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13446 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13449 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13451 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13453 * config/arm/arm.c (all_fpus): Fix comment typo.
13454 * config/darwin.c: Likewise.
13455 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13456 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13457 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13459 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13461 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13462 (rs6000_split_compare_and_swapqhi): New.
13463 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13464 (sync_compare_and_swapqhi_internal): New.
13465 * config/rs6000/rs6000-protos.h: Declare.