1 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4 * dbxout.c (output_used_types_helper, output_used_types): New.
5 (dbxout_symbol): Call output_used_types.
7 2006-07-23 Jan Hubicka <jh@suse.cz>
11 * cgraph.c (cgraph_varpool_nodes): Export.
12 (decide_is_variable_needed): Ignored "used" attribute in
14 * cgraph.h (cgraph_varpool_nodes): Declare.
15 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
18 2006-07-23 Roger Sayle <roger@eyesopen.com>
21 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
22 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
23 the __gthrw form of thr_keycreate.
24 (__gthread_key_delete): Silence the unused argument warning.
26 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
29 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
30 Cache the last found '\0' marker to avoid quadratic behavior.
32 2006-07-23 Jan Hubicka <jh@suse.cz>
34 * i386.md (subsi_3_zext): Fix output template.
36 2006-07-21 Mike Stump <mrs@apple.com>
38 * doc/invoke.texi (C++ Dialect Options): Note that
39 -fvisibility-inlines-hidden doesn't affect explicitly
40 instantiationed inline methods.
42 2006-07-20 Roger Sayle <roger@eyesopen.com>
44 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
45 if the target assembler is GNU binutils' gas.
46 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
47 whether to pass GNU gas or native as command line options.
49 2006-07-20 Jason Merrill <jason@redhat.com>
51 * tree.c (remove_attribute): New fn.
54 2006-07-20 Paul Brook <paul@codesourcery.com>
57 * cse.c (cse_insn): Add destination addresses to hash table. Check if
58 they are invalidated by this instruction.
60 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
63 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
65 2006-07-20 Eric Christopher <echristo@apple.com>
68 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
70 2006-07-19 Eric Christopher <echristo@apple.com>
72 * config/t-slibgcc-darwin (stmp-lipo): Remove.
73 Rewrite dependencies for libgcc_s.1.dylib.
75 2006-07-19 Jakub Jelinek <jakub@redhat.com>
77 * except.c (duplicate_eh_regions_1): Clear next_peer.
79 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
81 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
82 -mlongcall does not guarantee all calls will be long.
83 * doc/extend.texi (long_call/short_call): Document that longcall
84 does not guarantee a long call will be used.
85 (longcall/shortcall): Likewise.
87 2006-07-18 Roger Sayle <roger@eyesopen.com>
90 * expmed.c (expand_shift): Additionally check that the shift_cost
91 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
92 before implementing a LSHIFT_EXPR as a sequence of additions.
93 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
94 middle-end that DImode shifts need to be synthesized by expand.
96 2006-07-18 Diego Novillo <dnovillo@redhat.com>
99 * tree-ssa-operands.c (access_can_touch_variable): Update
101 Return true if ALIAS is .GLOBAL_VAR.
103 2006-07-18 David Daney <ddaney@avtrex.com>
105 * gcc.c (display_help): Fix typo in help text.
107 2006-07-18 Olivier Hainque <hainque@adacore.com>
109 * tree.h (categorize_ctor_elements): Adjust prototype and add
110 descriptive comment, both in accordance with the interface change
112 * varasm.c (constructor_static_from_elts_p): New function.
113 Whether a constructor node is a valid static constant initializer
114 if all its elements are.
115 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
116 * output.h: Declare it.
117 * expr.c (categorize_ctor_elements_1): Return whether the constructor
118 is a valid constant initializer instead of computing the number of
119 non-constant elements. Use constructor_static_from_elts_p for this
120 purpose. Replace the head comment with an indication that this is a
121 helper for categorize_ctor_elements.
122 (categorize_ctor_elements): Same interface change as for the _1
123 helper. Former head comment from this helper moved here, adjusted to
124 account for the interface changes.
125 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
126 (all_zeros_p): Likewise.
127 * gimplify.c (gimplify_init_constructor): Decide whether we can make
128 static versions of the constructor from the categorize_ctor_elements
129 return value instead of the formerly computed number of non-constant
132 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
134 * configure: Regenerate.
135 * Makefile.in (build_libsubdir): New configure substitution
136 (build_libobjdir): New variable.
137 (BUILD_LIBIBERTY): Use it.
139 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
142 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
144 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
147 * c-common.c (handle_weakref_attribute): Ignore attribute in
148 the same conditions the alias attribute is ignored.
150 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
152 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
153 (dbxout_begin_prologue): Increment scope_labelno.
155 2006-07-17 Richard Henderson <rth@redhat.com>
158 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
161 2006-07-17 Roger Sayle <roger@eyesopen.com>
162 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
164 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
165 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
166 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
167 functions such as sbrk, write, etc.. Add function prototypes.
168 Convert function declarations from K&R to ISO C. Cast pointers
169 to "long" and "unsigned long" instead of "int" and "unsigned int".
170 Convert tokens following #endif into comments.
172 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
174 * invoke.texi: Remove mention of f77; Reformat table for
175 inline parameter options correctly; mention that -malign-double
176 is default on x86-64 targets.
178 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
180 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
181 (convert_affine_scev, chrec_convert_aggressive): Use
182 avoid_arithmetics_in_type_p. Do not check for the subtypes
185 2006-07-17 Richard Sandiford <richard@codesourcery.com>
188 * optabs.c (expand_doubleword_shift): Wrap the call to
189 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
191 2006-07-17 Richard Sandiford <richard@codesourcery.com>
194 * optabs.c (expand_binop): Pass next_methods rather than methods
195 to expand_doubleword_shift.
197 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
200 * tree.h (dump_addr): Declare.
201 * print-tree.c (dump_addr): New function.
202 (print_node_brief, print_node): Use it.
203 * print-rtl.c (print_rtx): Likewise.
204 * common.opt (-fdump-noaddr): New option.
205 * doc/invoke.texi (-fdump-noaddr): Document.
206 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
207 (ve_info_hash): Likewise.
209 2006-07-13 Andrew Haley <aph@redhat.com>
211 PR tree-optimization/19505
212 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
213 edge leaving this block, make sure that the destination of this
214 block has only one predecessor.
216 2006-07-17 Richard Guenther <rguenther@suse.de>
218 PR tree-optimization/28238
219 * tree-inline.c (copy_bb): Check if we produced valid
220 gimple copying and substituting a stmt. If not, gimplify
223 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
225 * optabs.c (maybe_encapsulate_block): New function extracted from...
226 (emit_libcall_block): ...here. Invoke it on the block of insns to
227 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
228 (emit_no_conflict_block): Likewise.
230 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
232 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
234 2006-07-15 Roger Sayle <roger@eyesopen.com>
236 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
237 a new NOP_EXPR case of the switch statement.
239 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
242 * stor-layout.c (place_field): Take the bit field with
243 an excessive size into account in the ms-bitfiled case.
246 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
247 the previous bit field.
249 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
252 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
254 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
256 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
257 signal frames correctly even when the signal was installed with
260 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
262 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
263 (dbxout_function_end): Use local label LFBB. Remove hook
265 (dbxout_source_line): Use local label LFBB.
266 (dbxout_block): Likewise.
267 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
268 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
269 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
272 2006-07-13 Janis Johnson <janis187@us.ibm.com>
274 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
276 2006-07-13 Jan Hubicka <jh@suse.cz>
278 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
280 * output.h (align_variable): Declare.
281 * varasm.c (align_variable): Export.
282 * value-prof.c (tree_value_profile_transformations): Recompute iterator
283 when basic block changed.
285 2006-07-13 Nick Clifton <nickc@redhat.com>
287 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
288 walking the LOG_LINKS chain.
290 2006-07-12 Geoffrey Keating <geoffk@apple.com>
292 * doc/invoke.texi (C++ Dialect Options): Explain difference
293 between -fvisibility-inlines-hidden and setting hidden
294 visibility explicitly.
296 2006-07-12 Eric Christopher <echristo@apple.com>
298 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
299 (stmp-lipo): Depend on libgcc.a.
301 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
303 * tree.c: Fix a comment typo.
305 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
307 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
309 (umulhisi3_r): Likewise.
311 2006-07-12 Paolo Carlini <pcarlini@suse.de>
314 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
315 x < 19, vs wchar_t support.
317 2006-07-12 Nick Clifton <nickc@redhat.com>
319 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
322 2006-07-12 Mike Stump <mrs@apple.com>
324 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
326 2006-07-10 Eric Christopher <echristo@apple.com>
328 * config/t-slibgcc-darwin: Rewrite.
330 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
333 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
336 2006-07-08 Matthias Klose <doko@debian.org>
338 * doc/sourcebuild.texi: Fix typo.
340 2006-07-07 Mike Stump <mrs@apple.com>
342 * toplev.c (process_options): Don't give -ffunction-sections may
343 affect debugging warning for Mach-O.
345 2006-07-07 James E Wilson <wilson@specifix.com>
347 * config/mips/mips.md (cpu): Add sb1a.
348 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
349 addition to sb1. Adjust comments to clarify SB-1A differences from
351 (ir_sb1a_load): New. Modify bypasses to use it.
352 (ir_sb1a_simple_alu): Likewise.
353 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
354 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
355 (mips_issue_rate): Add PROCESSOR_SB1A.
356 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
357 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
358 (TARGET_SB1): Add PROCESSOR_SB1A check.
359 (TUNE_SB1): Likewise.
361 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
362 * config/mips/mips.c (mips_store_data_bypass_p): New.
363 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
366 2006-07-08 Paul Brook <paul@codesourcery.com>
369 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
371 2006-07-07 Richard Guenther <rguenther@suse.de>
374 * tree.h (build_one_cst): Declare.
375 * tree.c (build_one_cst): New function.
376 * tree-ssa-math-opts.c (get_constant_one): Remove.
377 (insert_reciprocals): Use build_one_cst.
378 * fold-const.c (fold_plusminus_mult): Likewise.
380 2006-07-07 Roger Sayle <roger@eyesopen.com>
382 * pointer-set.c (pointer_set_destroy): Correct whitespace.
383 * cfgloopanal.c (dump_graph): Likewise.
384 * dojump.c (discard_pending_stack_adjust): Likewise.
385 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
387 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
388 * function.c (finalize_block_changes): Likewise.
389 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
390 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
391 * rtl.c (dump_rtx_statistics): Likewise.
392 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
394 * varray.c (dump_varray_statistics): Likewise.
395 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
396 decode_decimal64, encode_decimal128, decode_decimal128,
397 decimal_real_to_decimal): Likewise.
399 2006-07-07 Richard Guenther <rguenther@suse.de>
401 PR tree-optimization/28187
402 * tree-vrp.c (vrp_operand_equal_p): New function.
403 (vrp_bitmap_equal_p): Likewise.
404 (update_value_range): Use them to compare old and new
407 2006-07-06 Roger Sayle <roger@eyesopen.com>
409 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
410 a default case to switch statement to silence compiler warnings.
412 2006-07-06 Roger Sayle <roger@eyesopen.com>
415 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
416 the configured assembler supports the x87's ffreep mnemonic.
417 * configure: Regenerate.
418 * config.in: Regenerate.
420 * config/i386/i386.c (output_387_ffreep): New function.
421 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
422 (output_387_reg_move): Likewise.
424 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
426 Port to hosts whose 'sort' and 'tail' implementations
427 treat operands with leading '+' as file names, as POSIX
428 has required since 2001. However, make sure the code still
429 works on pre-POSIX hosts.
430 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
431 which says you should use "tail -c +N" rather than "tail +Nc".
432 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
434 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
436 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
439 2006-07-06 David Edelsohn <edelsohn@gnu.org>
442 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
443 PRE_{INC,DEC} of TFmode.
445 2006-07-06 David Edelsohn <edelsohn@gnu.org>
446 Alan Modra <amodra@bigpond.net.au>
449 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
452 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
455 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
456 Remove duplicate gtu.
458 2006-07-05 Jason Merrill <jason@redhat.com>
462 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
463 * c-common.c (handle_packed_attribute): So don't copy it here.
464 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
466 2006-07-05 Mike Stump <mrs@apple.com>
468 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
470 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
473 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
475 2006-07-05 Richard Guenther <rguenther@suse.de>
478 * config/i386/i386.md (*negdf2_1): Restrict pattern to
479 TARGET_SSE2 targets if using SSE math.
480 (*absdf2_1): Likewise.
482 2006-07-05 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/28162
485 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
486 make sure to convert the operands to the correct type.
488 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
490 PR tree-optimization/28218
492 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
493 to calculate and free the dominator information.
495 2006-07-04 Peter O'Gorman <peter@pogma.com>
497 * mklibgcc.in: chmod 644 before ranlib during install.
499 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
500 J"orn Rennecke <joern.rennecke@st.com>
502 * configure.ac (.eh_frame data check): Use diff -b.
504 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
507 * Makefile.in (BUILD_RTL): Add build/vec.o.
508 (build/gencondmd.o): Filter out -fkeep-inline-functions.
509 (build/genextract): Delete.
510 (build/genautomata): Likewise.
512 2006-07-04 Alan Modra <amodra@bigpond.net.au>
515 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
516 128-bit IBM long doubles for ABI_V4.
518 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
520 * tree.c (range_in_array_bounds_p): New predicate.
521 * tree.h (range_in_array_bounds_p): Declare it.
522 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
523 return a less conservative answer.
524 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
526 (IS_ELEMENT_FOR_GROUP): New macro.
527 (FOR_EACH_ACTUAL_CHILD): Likewise.
528 (next_child_for_group): New helper function.
529 (can_completely_scalarize_p): Take into account groups.
530 (sra_hash_tree): Handle RANGE_EXPR.
531 (sra_elt_eq): Likewise.
532 (lookup_element): Be prepared for handling groups.
533 (is_valid_const_index): Delete.
534 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
535 instead of is_valid_const_index.
536 <ARRAY_RANGE_REF>: New case.
537 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
538 is_valid_const_index.
539 <ARRAY_RANGE_REF>: Do not unconditionally punt.
540 (scan_dump): Dump info for groups too.
541 (decide_instantiation_1): Likewise.
542 (decide_block_copy): Assert that the element is not a group.
543 Propagate decision to groups.
544 (generate_one_element_ref): Handle RANGE_EXPR.
545 (mark_no_warning): Iterate over actual childs.
546 (generate_copy_inout): Likewise.
547 (generate_element_copy): Likewise.
548 (generate_element_zero): Likewise.
549 (generate_element_init_1): Likewise.
550 (dump_sra_elt_name): Handle RANGE_EXPR.
552 2006-07-03 Roger Sayle <roger@eyesopen.com>
554 PR tree-optimization/26251
555 * tree-ssa-threadupdate.c (redirection_block_p): New function.
556 (thread_block): When optimizing for size refuse to thread jumps
557 that would require duplication of blocks other than redirection
560 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
562 * configure.ac: Fix thinko in previous check-in.
563 * configure: Regenerate.
565 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
568 * configure.ac (for lang...): Simplify nesting of conditionals.
569 Test subdir_requires for non-enabled languages. Move processing
570 of lang_opt_files and lang_tree_fiels below that test.
571 * configure: Regenerate.
572 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
574 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
576 * doc/gcov.texi (Invoking Gcov): Add a missing word.
578 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
580 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
583 2006-06-29 Jason Merrill <jason@redhat.com>
590 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
591 * c-common.c (c_determine_visibility): Handle it here.
592 * c-decl.c (finish_decl): Call c_determine_visibility for
594 * flags.h (enum symbol_visibility): Sort from most to least visibility.
596 * varasm.c (default_assemble_visibility): Likewise.
597 * c-common.c (handle_visibility_attribute): Complain about trying
598 to give visibility to an already defined class, or trying to change
599 declared visibility. Always attach the attribute.
604 * attribs.c (decl_attributes): Ignore type-in-place attributes
605 once the type has been defined.
607 2006-06-29 Roger Sayle <roger@eyesopen.com>
610 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
611 to indicate the cpplib has issued an error message for us.
613 2006-06-29 Asher Langton <langton2@llnl.gov>
616 * config/i386/i386.c (ix86_output_function_epilogue): Don't
617 insert a label at the end of an function under Mach-O.
619 2006-06-29 Eric Christopher <echristo@apple.com>
620 Evan Cheng <evan.cheng@apple.com>
622 * predicates.md (vector_all_ones_operand): New.
623 (nonimmediate_or_sse_const_operand): Ditto.
624 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
625 * config/i386/i386.c (standard_sse_constant_opcode): Define.
626 (standard_sse_mode_p): Ditto.
627 (standard_sse_constant_p): Add case for -1 vector.
628 (ix86_expand_vector_move): Try to use.
629 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
630 Call standard_sse_constant_opcode.
631 (*movv4sf_internal): Ditto.
632 (*movv2df_internal): Ditto.
634 2006-06-29 Roger Sayle <roger@eyesopen.com>
636 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
637 of XEXP to extract the operands of a MATCH_CODE rtx.
639 2006-06-28 Andrew Pinski <pinskia@gmail.com>
641 * tree.c (tree_size): Do not waste tail padding in
642 struct tree_string and make the size be the same as
643 build_string will generate.
645 2006-06-28 Jason Merrill <jason@redhat.com>
648 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
649 may_aliases already in the tag's annotations to the bitmap.
651 2006-06-28 Roger Sayle <roger@eyesopen.com>
653 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
655 2006-06-28 Roger Sayle <roger@eyesopen.com>
657 * genpreds.c (generate_switch_p): New function.
658 (add_mode_tests): Push the new mode test down inside an AND expr
659 if this allows the switch-suitable MATCH_CODE to be near the root.
660 (write_match_code_switch): New function to write a MATCH_CODE as
662 (write_predicate_stmts): New function to write a predicate RTX
663 expression as a sequence of statements.
664 (write_one_predicate_function): Use write_predicate_stmts.
665 (write_tm_constrs_h): Likewise.
667 2006-06-26 Fred Fish <fnf@specifix.com>
669 * config/mips/t-sb1: New file.
670 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
673 2006-06-26 DJ Delorie <dj@redhat.com>
675 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
677 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
678 Jayant Sonar <jayants@kpitcummins.com>
679 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
681 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
682 (subsi3, subsi3_1, subsi3_2): New.
683 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
684 * config/m32c/mov.md (SI mov peephole): New.
685 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
686 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
688 2006-06-26 Olivier Hainque <hainque@adacore.com>
690 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
691 a CALL_EXPR target function declaration.
693 2006-06-26 Richard Guenther <rguenther@suse.de>
695 * tree.c (build_string): Do not waste tail padding in
698 2006-06-26 Richard Guenther <rguenther@suse.de>
700 * ggc-page.c (init_ggc): Add missing element to size_lookup
704 2006-06-23 Richard Guenther <rguenther@suse.de>
706 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
707 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
708 alignment requests instead. Add verification code.
709 Add struct tree_function_decl and struct tree_binfo size to
710 extra_order_size_table. Add missing element to size_lookup
713 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
716 * fold-const.c (const_binop): Be prepared for self returning zero.
717 Simplify code handling complex values.
719 2006-06-24 Olivier Hainque <hainque@adacore.com>
721 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
722 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
725 2006-06-24 Olivier Hainque <hainque@adacore.com>
727 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
728 ARRAY_REF, so have the callback called for the low bound expression.
730 2006-06-23 Janis Johnson <janis187@us.ibm.com>
732 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
733 * c-typeck.c (c_common_type): Disallow operations on decimal float
734 types and other float types.
735 * convert.c (convert_to_real): Don't ignore conversions involving
738 2006-06-23 Olivier Hainque <hainque@adacore.com>
740 * tree.c (max_int_size_in_bytes): New function, inspired from
741 code in function.c:assign_temp.
742 * tree.h (max_int_size_in_bytes): Declare.
743 * function.c (assign_temp): Use it.
744 * gimplify.c (create_tmp_var): Relax the assertions on the type
745 properties, not mandating constant size any more.
746 (force_constant_size): New static function.
747 (gimple_add_tmp_var): Use it, forcing variable size to a
748 constant upper bound if it is not constant on entry.
750 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
753 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
754 for initialization and setting of one_only flag to ...
755 (i386_pe_encode_section_info): ...here.
756 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
757 Recheck that the symbol has not been defined.
759 2006-06-23 Richard Guenther <rguenther@suse.de>
761 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
762 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
763 alignment requests instead. Add verification code.
764 Add struct tree_function_decl and struct tree_binfo size to
765 extra_order_size_table. Add missing element to size_lookup
768 2006-06-22 Roger Sayle <roger@eyesopen.com>
769 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
772 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
773 call to lang_hooks.types.type_for_mode returned NULL_TREE.
775 2006-06-23 Ben Elliston <bje@au.ibm.com>
777 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
778 negate dn -- manipulate it directly.
780 2006-06-22 Roger Sayle <roger@eyesopen.com>
781 Steven Bosscher <stevenb.gcc@gmail.com>
784 * reload1.c (gen_reload): Call mark_jump_label on the new insns
785 generated by gen_move_insn to add REG_LABEL notes if necessary.
787 2006-06-22 Bob Wilson <bob.wilson@acm.org>
789 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
790 (leaf_entry): Remove use of MIN_ESA.
792 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
794 PR rtl-optimization/28121
795 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
798 2006-06-21 DJ Delorie <dj@redhat.com>
800 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
802 (mulhisi3_r): Likewise.
804 2006-06-21 Richard Sandiford <richard@codesourcery.com>
807 * coverage.c (coverage_counter_alloc): Leave the index type
809 (coverage_counter_alloc): Use null arguments for operands 2 and 3
812 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
814 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
815 section from the "Options for Code Generation Conventions".
817 2006-06-21 Richard Henderson <rth@redhat.com>
821 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
823 (global_symbolic_operand): Allow weak symbols, even if local_p.
825 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
827 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
828 (find_interesting_uses_address): Punt if above function returns true.
830 2006-06-21 Richard Guenther <rguenther@suse.de>
832 * configure: Regenerated.
834 2006-06-21 Joseph Myers <joseph@codesourcery.com>
836 * config/mips/mips.c (function_arg): Where one part of a
837 complex argument is in registers and the other part in the stack,
838 return a REG not a PARALLEL.
840 2006-06-21 Mark Mitchell <mark@codesourcery.com>
842 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
843 when cross-compiling. Do not substitute libstdcxx_incdir.
844 * configure: Regenerated.
846 2006-06-21 Jakub Jelinek <jakub@redhat.com>
848 * varasm.c (mergeable_string_section): Check for embedded NULs and
849 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
850 rather than TREE_STRING_LENGTH bytes.
852 2006-06-21 Richard Guenther <rguenther@suse.de>
854 * ggc-page.c (extra_order_size_table): Add var_ann_d,
855 tree_ssa_name, bitmap_element and phi_node with 4 arguments
858 2006-06-21 Richrad Guenther <rguenther@suse.de>
860 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
861 Limit iteration over the dominators.
863 2006-06-20 Roger Sayle <roger@eyesopen.com>
865 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
866 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
868 2006-06-20 Richard Guenther <rguenther@suse.de>
869 Michael Matz <matz@suse.de>
871 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
873 * alloc-pool.c (free_alloc_pool_if_empty): New function.
874 * et-forest.h (et_free_pools): Prototype new function.
875 * et-forest.c (et_free_tree_force): Free parent occurrence.
876 (et_free_pools): New function.
877 * dominance.c (free_dominance_info): Free et-forest alloc
880 2006-06-20 Roger Sayle <roger@eyesopen.com>
882 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
883 integer modes, attempt to directly construct an integer constant.
885 * fold-const.c (native_encode_vector): Determine the size of each
886 element from the vector type instead of the first vector element.
888 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
889 if all of its elements/components are constant.
890 (build_constructor_from_list): Likewise.
892 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
894 PR tree-optimization/27331
895 * tree-data-ref.c (free_data_ref): New function.
896 (create_data_ref): Fail if the data reference has unknown access
898 (free_data_refs): Use free_data_ref.
900 2006-06-19 Andrew Pinski <pinskia@gmail.com>
903 * tree-inline.c (setup_one_parameter): Strip useless
904 type conversion before adding it to the IR.
905 (declare_return_variable): Likewise.
907 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
910 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
912 2006-06-19 Mike Stump <mrs@apple.com>
914 * tree.c (variably_modified_type_p): VM arguments don't make the
917 2006-06-19 Richard Guenther <rguenther@suse.de>
919 * tree-ssa-pre.c (try_combine_conversion): Strip useless
920 type conversions after folding.
922 2006-06-19 Richard Guenther <rguenther@suse.de>
924 * ggc-page.c (extra_order_size_tab): Add entries with
925 size of struct function and basic_block.
926 (size_lookup): Extend to cover sizes up to 511.
927 (ggc_alloc_stat): Adjust user.
928 (ggc_pch_count_object): Likewise.
929 (ggc_pch_alloc_object): Likewise.
930 (ggc_pch_write_object): Likewise.
932 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
934 * tree-ssa-loop-niter.c (implies_ge_p): New function.
935 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
938 2006-06-19 Denis Chertykov <denisc@overta.ru>
940 * config/avr/libgcc.S : Correct my wrong previous commit.
942 2006-06-19 Roger Sayle <roger@eyesopen.com>
945 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
946 have stripped a SUBREG from the shift count, so we may need to
947 convert_to_mode back to the type's mode before calling make_tree.
948 Use new_amount instead of amount to avoid expanding a tree twice.
950 2006-06-19 Richard Guenther <rguenther@suse.de>
953 * fold-const.c (operand_equal_p): Check if the argument types
954 have the same precision before stripping NOPs.
956 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
958 Fix PR tree-optimization/27341
959 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
961 * tree-complex.c (pass_lower_complex): Update SMT usage.
963 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
965 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
966 Add a new alternative to the constraint strings. Add move of
967 operand 1 to 3 to the splitter definition.
968 ("doloop_si_long"): Second contraint alternative removed.
970 2006-06-08 Anatoly Sokolov <aesok@post.ru>
972 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
973 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
975 (AVR_HAVE_MOVW) Define.
976 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
977 (ASM_SPEC): Add avr25.
978 (LINK_SPEC): Add avr25.
979 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
980 (base_arch_s): Add new member 'have_movw_lpmx'.
981 (avr_arch_types): Init 'have_movw_lpmx'.
982 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
983 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
984 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
985 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
986 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
988 (avr_file_start): Do not output '.arh' derective.
989 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
990 (__do_copy_data): Use __AVR_HAVE_LPMX__.
991 * config/avr/avr.md (mcu_enhanced): Delete.
992 (mcu_have_movw): Define.
993 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
994 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
995 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
996 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
997 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
998 attiny861 and at86rf401 devices.
1000 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1002 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1005 2006-06-17 Karl Berry <karl@gnu.org>
1007 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1008 doc/gccint.texi, doc/install.texi (@dircategory): Use
1009 "Software development" instead of "Programming", following
1010 the Free Software Directory.
1012 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1014 * config/i386/i386.c (legitimate_tls_address)
1015 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1016 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1017 (*tls_dynamic_gnu2_combine_64): Likewise.
1019 2006-06-16 Richard Guenther <rguenther@suse.de>
1022 * fold-const.c (negate_expr_p): Do not introduce undefined
1023 overflow in negating INTEGER_CSTs.
1024 (fold_negate_expr): Rename from negate_expr. Revert last
1025 change for folding BIT_NOT_EXPR. Change semantics to
1026 return NULL_TREE for non-simplified negations. Do not
1027 strip type conversions and unify type handling.
1028 (negate_expr): New function, wrap around fold_negate_expr
1029 but ensure building a tree always. Strip type conversions
1030 here, fold to result type.
1031 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1033 2006-06-16 Roger Sayle <roger@eyesopen.com>
1036 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1037 that (would) return their results in stack registers.
1039 2006-06-16 Michael Matz <matz@suse.de>
1040 Richard Guenther <rguenther@suse.de>
1042 * fold-const.c (fold_truthop): Only return new tree node if
1043 we canonicalized something.
1045 2006-06-16 Richard Guenther <rguenther@suse.de>
1047 * function.h (enum function_frequency): Move declaration
1048 out of struct function.
1049 (struct function): Move bool fields and the enum to the bitfield
1050 section. Reorder elements to avoid padding. Remove unused
1051 fields left over from the RTL inliner removal.
1052 * function.c (free_after_compilation): Do not zero removed fields.
1053 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1054 (ipa-type-escape.o): Likewise.
1056 2006-06-16 Richard Guenther <rguenther@suse.de>
1058 * cgraph.h (struct cgraph_local_info): Turn bool elements
1060 (struct cgraph_node): Likewise.
1061 (struct cgraph_varpool_node): Likewise.
1063 2006-06-15 Richard Guenther <rguenther@suse.de>
1065 * fold-const.c (fold_truth_not_expr): Rename from
1066 invert_truthvalue. Give it fold_* semantics to avoid
1068 (invert_truthvalue): New function. Wrapper around
1069 fold_truth_not_expr.
1070 (optimize_minmax_comparison): Avoid creating garbage.
1071 (fold_unary): Use fold_truth_not_expr for folding
1073 (fold_ternary): Replace uses of invert_truthvalue with
1074 fold_truth_not_expr where applicable.
1075 * tree.h (fold_truth_not_expr): Prototype.
1077 2006-06-16 Richard Guenther <rguenther@suse.de>
1079 PR tree-optimization/27781
1080 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1081 * ipa-pure-const.c (target.h): Include.
1082 (analyze_function): Do not analyze functions that do not
1085 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1088 * tree-dfa.c (referenced_vars_dup_list): Remove.
1089 (find_referenced_vars): Remove assert.
1090 (referenced_var_check_and_insert): Replace dup list with assert.
1091 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1092 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1094 2006-06-15 Richard Guenther <rguenther@suse.de>
1096 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1097 extra unused identifiers if not dumping.
1098 (create_variable_info_for): Likewise.
1100 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1102 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1103 (derive_constant_upper_bound): Derive more precise upper bound in
1104 common cases. Return type changed to double_int.
1105 (record_estimate): Reflect the changed return type of
1106 derive_constant_upper_bound.
1107 * double-int.c (double_int_zext, double_int_sext): Fix.
1109 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1111 * configure.ac (CFLAGS): Get them from the toplevel or from the
1112 configure invocation.
1113 * configure: Regenerate.
1114 * Makefile.in (CFLAGS): Substitute value provided by configure.
1116 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1119 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1120 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1121 rather than calling add_stmt on it.
1122 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1124 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1127 * reload1.c (reload): Remove registers returned by update_eliminables
1128 from used_spill_regs.
1130 2006-06-13 DJ Delorie <dj@redhat.com>
1132 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1134 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1136 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1137 html__strip_dir, html__mkdir_p. Enhance install-html target.
1138 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1139 * configure: Regenerate.
1141 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1143 * fold-const.c (fold_cond_expr_with_comparison): Check for
1144 Objective-C++ as language in deciding COND_EXPR transformation.
1146 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1149 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1150 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1151 * config/sh/lib1funcs.h (SL, SL1): Define.
1152 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1153 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1154 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1155 (OBJS_Os_4_200): New variable.
1156 ($(T)libgcc-Os-4-200.a): Use it.
1157 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1158 when dividing 1 and/or by 0.
1160 2006-06-13 Roger Sayle <roger@eyesopen.com>
1162 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1163 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1164 * configure: Regenerate.
1166 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1168 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1169 for real instruction.
1171 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1174 * haifa-sched.c (check_cfg): Handle special case.
1176 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1179 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1180 Add debug_info parameter. Chain the vars to the BLOCK instead
1181 of the BIND_EXPR if debug info are requested for them.
1182 (pop_gimplify_context): Adjust for above change.
1183 (gimple_add_tmp_var): Likewise.
1184 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1186 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1187 (convert_local_reference): Likewise.
1188 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1189 (finalize_nesting_tree_1): Request that debug info be emitted
1190 for debug_var_chain.
1192 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1194 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1195 for PR target/27863.
1197 2006-06-13 Richard Guenther <rguenther@suse.de>
1200 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1202 2006-06-13 Richard Guenther <rguenther@suse.de>
1204 PR tree-optimization/27830
1205 * tree-inline.c (copy_body_r): For copying the operand
1206 of an ADDR_EXPR make sure to fold &* afterwards.
1208 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1210 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1211 lvalues in the fb_none case with side-effects.
1213 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1215 * tree-flow.h: Remove the prototype for
1216 compute_phi_arg_on_exit.
1217 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1218 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1221 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1223 * builtins.c (expand_builtin_return_addr): Only use
1224 frame_pointer_rtx when count == 0 and we are expanding
1225 __builtin_return_address.
1227 2006-06-12 Fred Fish <fnf@specifix.com>
1229 * config/mips/mips.c (mips_file_start): Create special section
1230 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1232 2006-06-11 Eric Christopher <echristo@apple.com>
1235 * stor-layout.c (place_field): Remove check for
1236 remaining_in_alignment when aligning at the end of a run.
1238 2006-06-11 Eric Christopher <echristo@apple.com>
1241 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1244 2006-06-11 Roger Sayle <roger@eyesopen.com>
1247 Revert incorrect fix for PR target/27158
1248 2006-05-08 Roger Sayle <roger@eyesopen.com>
1249 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1250 of a reg_equiv_constant if the result is a legitimate constant.
1252 2006-06-11 Roger Sayle <roger@eyesopen.com>
1255 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1256 extract a CONST_VECTOR element and interpret it as an integer.
1257 (vspltis_constant): Use const_vector_elt_as_int instead of the
1258 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1259 * config/rs6000/predicates.md (easy_vector_const): Consider
1260 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1262 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1265 * stor-layout.c (update_alignment_for_field): Don't add extra
1266 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1269 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1271 * config/mips/t-rtems: Add EL/EB multilib variants.
1273 2006-06-09 Mike Stump <mrs@apple.com>
1275 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1277 2006-06-09 David Daney <ddaney@avtrex.com>
1279 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1281 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1283 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1285 2006-06-09 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/26998
1288 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1289 of signed types, only TYPE_MIN_VALUE is special, but for both,
1290 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1291 in this case, as is -fwrapv.
1293 2006-06-08 Mike Stump <mrs@apple.com>
1296 * config/darwin.c (darwin_asm_output_anchor): Disable
1297 -fsection-anchors on darwin for now.
1298 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1299 * rs6000/rs6000.c (optimization_options): Likewise.
1301 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1304 * config/i386/i386.c (classify_argument): Skip fields with invalid
1307 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1309 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1310 (cse_insn): Likewise for the stack_pointer_rtx.
1312 2006-06-08 Roger Sayle <roger@eyesopen.com>
1314 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1315 conditions from floating point comparisons.
1317 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1320 * expmed.c (struct alg_hash_entry): Fix type of field T
1321 to match synth_mult argument.
1322 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1324 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1327 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1330 2006-06-08 Richard Guenther <rguenther@suse.de>
1333 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1334 only, if overflow is defined and not trapping.
1335 (negate_expr): Likewise.
1337 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1339 PR tree-optimization/27872
1340 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1341 flag on the new exit edge of the unrolled loop.
1343 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1345 PR rtl-optimization/26449
1346 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1348 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1351 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1352 referenced_variables with matching DECL_UID's.
1353 (find_referenced_vars): Make sure duplicate list is empty to start.
1354 (referenced_var_p): Remove.
1355 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1356 Check if var is in the list, and add if needed. Update the duplicate
1357 list if a different var is in the list with the same DECL_UID.
1358 (add_referenced_var): Call routine to check and insert.
1359 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1360 * tree-flow.h (referenced_vars_dup_list): External declaration.
1362 2006-06-07 Fred Fish <fnf@specifix.com>
1364 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1367 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1370 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1371 the imaginary and real parts of a clobbered register.
1372 Emit insn to set the imaginary part.
1374 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1376 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1377 in lieu of unwind-dw2-fde.c.
1379 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1381 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1383 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1386 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1387 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1388 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1389 V4SImode temporaries and operations instead.
1391 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1393 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1396 2006-06-06 Mike Stump <mrs@apple.com>
1398 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1399 installing during build.
1401 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1403 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1405 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1406 * config/ia64/ia64.c (params.h): New header.
1407 (ia64_optimization_options): New function to adjust parameters.
1408 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1409 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1410 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1412 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1414 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1416 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1419 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1421 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1422 Victor Kaplansky <victork@il.ibm.com>
1424 PR tree-optimization/26360
1425 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1428 2006-06-04 Roger Sayle <roger@eyesopen.com>
1429 Andrew Pinski <pinskia@physics.uc.edu>
1432 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1433 for LABEL_DECL before calling DECL_WEAK.
1436 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1437 LABEL_DECL and PARM_DECL.
1439 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1443 * c-decl.c (grokdeclarator): Disallow variably modified types at
1444 file scope. Avoid marking shared array type of constant size as
1447 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1450 * c-common.c (fold_offsetof_1): Handle static members.
1452 2006-06-04 Eric Christopher <echristo@apple.com>
1454 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1455 (debug_rli): Output value for remaining_in_alignment.
1456 (update_alignment_for_field): Unconditionalize
1457 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1458 extra alignment code.
1459 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1460 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1461 * tree.h (record_layout_info_s): Remove prev_packed.
1462 * doc/extend.texi (ms_struct): Add documentation of format.
1464 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1466 * tree.h: Declare folding_initializer.
1467 * builtins.c (fold_builtin_constant_p): Give definite answer
1468 if folding inside an initializer.
1469 * fold-const.c: Define folding_initializer.
1470 (START_FOLD_INIT): Save and then set folding_initializer.
1471 (END_FOLD_INIT): Restore folding_initializer.
1473 2006-06-04 Richard Guenther <rguenther@suse.de>
1475 PR tree-optimization/27039
1476 * fold-const.c (fold_comparison): Handle pointer comparison
1477 again for all comparison codes. Compare offsets in signed
1479 (fold_binary): Move code from here.
1481 2006-06-03 Roger Sayle <roger@eyesopen.com>
1484 * config/i386/i386.c (construct_container): Split static issued_error
1485 flag into issued_sse_arg_error, issued_sse_ret_error and
1486 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1487 requires the use of x87 registers and the user explicitly
1488 specified the -mno-80387 command line option.
1490 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1492 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1493 HAVE_DECL_SIGALTSTACK.
1495 (segv_handler): Use MC_FLD.
1496 * configure.ac: Check for a sigaltstack declaration.
1497 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1498 * configure: Regenerate.
1499 * config.in: Regenerate.
1501 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1504 * Makefile.in (stmp-fixinc): Fix typo.
1506 2006-06-02 Roger Sayle <roger@eyesopen.com>
1508 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1509 are type correct. Clean-up.
1510 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1511 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1513 2006-06-01 DJ Delorie <dj@redhat.com>
1515 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1516 shift, as we've disabled the "switch" insn that needs it.
1518 2006-06-01 Per Bothner <bothner@bothner.com>
1520 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1521 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1522 * c-ppoutput.c (cb_define): Don't increment line 0.
1524 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1526 * doc/invoke.texi: Add cpu_type power6.
1527 * config.gcc: Add cpu_type power6.
1528 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1529 to power5+ with Altivec.
1530 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1531 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1533 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1535 * config/avr/avr.h (SET_ASM_OP): Define.
1537 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1539 * config/bfin/bfin.c: Fix comment typos.
1541 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1544 * doc/install.texi: Document --enable-bootstrap and
1545 --disable-bootstrap.
1547 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1549 * doc/install.texi: Document that InfoZIP can replace jar.
1551 2006-05-31 Roger Sayle <roger@eyesopen.com>
1553 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1554 isn't available, directly generate the simpler x87 patterns without
1555 the (use (const_int 0)).
1556 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1557 implementation isn't available.
1558 (*negdf2_1): Likewise.
1559 (*negxf2_1): XF mode negation is always done using the x87.
1560 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1562 2006-05-31 Roger Sayle <roger@eyesopen.com>
1564 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1565 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1567 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1569 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1571 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1572 * config/bfin/bfin.c (basic-block.h): Include.
1573 (struct machine_function): New.
1574 (bfin_init_machine_status): New.
1575 (override_options): Initialize init_machine_status.
1576 (bfin_hardware_loop): New.
1577 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1578 (DEF_VEC_P (loop_info)): New.
1579 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1580 (struct loop_info): New.
1581 (loop_info): New typedef.
1582 (struct loop_work): New.
1583 (loop_work): New typedef.
1584 (DEF_VEC_O (loop_work)): New.
1585 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1586 (bfin_dump_loops): New.
1587 (bfin_bb_in_loop): New.
1588 (bfin_scan_loop): New.
1589 (bfin_optimize_loop): New.
1590 (bfin_reorg_loops): New.
1591 (bfin_reorg): Use bfin_reorg_loops.
1592 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1594 (I_REGNO_P): Simplify.
1595 (DP_REGNO_P, DPREG_P): New macros.
1596 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1597 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1598 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1599 Add LT_REGS, LC_REGS, LB_REGS.
1600 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1602 (REGNO_REG_CLASS): Deal with loop registers.
1603 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1605 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1606 New constants for loop registers.
1607 (UNSPEC_LSETUP_END): New.
1608 (seq_insns): New define_attr. Set it for appropriate insns.
1609 (movsi_insn): Add alternatives for move from/to
1610 loop count registers.
1611 (doloop_end): New define_expand.
1612 (loop_end): New define_insn.
1613 (define_split for bad doloop_end): New.
1614 (lsetup_with_autoinit): New define_insn.
1615 (lsetup_without_autoinit): New define_insn.
1616 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1617 * config/bfin/predicates.md (lc_register_operand): New.
1618 (lt_register_operand): New.
1619 (lb_register_operand): New.
1620 (nondp_register_operand): New.
1621 (nondp_reg_or_memory_operand): New.
1622 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1624 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1626 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1627 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1629 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1631 * Makefile.in (CATALOGS): Add po/ prefix.
1632 * configure: Regenerated.
1634 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1637 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1638 a shift operand before calling shift_op. Avoid redundant call of
1641 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1642 DJ Delorie <dj@redhat.com>
1644 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1645 we're inserting is a singlt-bit constant.
1647 2006-05-30 Roger Sayle <roger@eyesopen.com>
1649 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1650 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1652 2006-05-30 Roger Sayle <roger@eyesopen.com>
1654 PR tree-optimization/23452
1655 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1656 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1657 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1658 complex values and with -ffast-math for FP complex values.
1660 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1662 * c-common.h: Remove the prototype for yyparse.
1663 * rtl.h: Remove the prototype for init_loop.
1665 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1667 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1670 2006-05-30 Roger Sayle <roger@eyesopen.com>
1672 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1674 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1675 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1677 2006-05-30 Dirk Mueller <dmueller@suse.de>
1680 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1681 for CONSTANT_CLASS_P expresisons.
1683 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1686 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1688 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1690 PR tree-optimization/27779
1691 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1692 initial_condition instead of CHREC_LEFT.
1694 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1696 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1697 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1698 Make prototypes ISO C90.
1700 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1701 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1703 * see.c (see_analyze_one_def): Correct check.
1704 (see_get_extension_data): Check if extension is parallel.
1705 (see_get_extension_reg): Likewise.
1707 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1710 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1711 into register for (code == GTU).
1713 2006-05-29 Roger Sayle <roger@eyesopen.com>
1715 PR tree-optimization/24964
1716 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1717 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1718 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1719 abs(x)*abs(x) as x*x for scalar floating point modes.
1721 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1724 * lambda-code.c (perfect_nestify): Don't copy statements
1725 in the inner loop: move them to the inner loop header.
1727 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1730 * c-tree.texi: Document OpenMP directives and clauses.
1732 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1734 * varasm.c (globalize_decl): Fix indentation.
1736 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1739 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1740 pass_fre, pass_store_ccp, pass_copy_prop,
1741 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1742 pass_return_slot, pass_object_size, pass_lim,
1743 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1744 pass_loop_prefetch and pass_stdarg.
1746 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1748 * config/bfin/bfin.opt (mfdpic): New option.
1749 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1750 (EXTRA_MULTILIB_PARTS): Likewise.
1751 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1752 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1754 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1755 (CRT_CALL_STATIC_FUNCTION): New.
1756 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1758 (CRT_CALL_STATIC_FUNCTION): New.
1759 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1761 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1762 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1763 (initialize_trampoline): Changed to handle FD-PIC code generation.
1764 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1765 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1766 (override_options): Disallow -mid-shared-library -mfdpic combination.
1767 Can't do unaligned ops if FD-PIC.
1768 Turn off flag_pic if trying to generate non-id-shared-library
1769 non-fdpic code, since it's not supported.
1770 (bfin_assemble_integer): New function.
1771 (TARGET_ASM_INTEGER): Define.
1772 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1774 * config/bfin/crtn.s: Restore them.
1775 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1777 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1778 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1779 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1780 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1781 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1783 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1784 FDPIC_REGS and FDPIC_FPTR_REGS.
1785 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1786 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1787 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1788 (load_funcdescsi): New pattern.
1789 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1790 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1791 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1793 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1795 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1798 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1800 * tree-flow.h: Remove the prototype for add_type_alias.
1801 * tree-ssa-alias.c (add_type_alias): Remove.
1803 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1805 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1806 config/fr30/fr30.md, config/i386/i386-interix.h,
1807 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1808 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1809 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1810 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1811 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1812 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1813 Follow spelling conventions.
1814 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1815 Follow spelling conventions.
1817 2006-05-27 Richard Guenther <rguenther@suse.de>
1820 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1821 to produce a constant of value 1 of generic type.
1823 2006-05-27 Dirk Mueller <dmueller@suse.de>
1825 * cgraphunit.c (decide_is_function_needed): Fix wrong
1828 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1830 PR rtl-optimization/27661
1831 * reload.c (find_reloads): When reloading a VOIDmode constant
1832 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1833 use Pmode as mode of the reload register.
1835 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1837 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1838 is enabled at -O and above.
1840 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1843 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1846 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1849 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1850 for anonymous variables explicitly declared by front ends.
1852 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1854 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1855 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1856 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1857 ref-all pointers, run a finalization pass for them.
1858 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1859 (finalize_ref_all_pointers): New function.
1860 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1861 regular pointer type to a ref-all pointer type.
1862 (get_tmt_for): Return the special memory tag for ref-all pointers.
1864 2006-05-25 Richard Guenther <rguenther@suse.de>
1867 * fold-const.c (fold_binary): Do not look at the stripped
1868 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1870 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1872 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1873 for LT and GT if the computed range is effectively empty.
1875 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1878 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1879 mips_quad_format formats instead of ieee_single_format,
1880 ieee_double_format and ieee_quad_format formats, respectively.
1882 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1884 PR tree-optimization/27639
1885 PR tree-optimization/26719
1886 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1887 call to scev_probably_wraps_p.
1888 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1889 used_in_pointer_arithmetic_p, convert_step): Removed.
1890 (nowrap_type_p): New function.
1891 (scev_probably_wraps_p): Rewritten.
1892 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1893 chrec_convert if chrec_convert_aggressive might have been used.
1894 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1895 scev_direction): New functions.
1896 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1897 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1898 instead of convert_step.
1899 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1900 (convert_step): Declaration removed.
1901 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1903 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1905 * df-core.c: Added to header comments.
1906 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1907 df_ur_bb_info, df_urec_bb_info): Added comments.
1908 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1909 urec, ri problems): Fixed header comments.
1910 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1911 code from df_rd_transfer_function.
1913 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1915 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1916 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1917 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1919 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1921 * expr.c (undefined_operand_subword_p): New.
1922 (emit_move_multi_word): Do not generate move from undefined bits
1923 of a paradoxical subreg.
1925 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1927 PR rtl-optimization/27736
1928 * combine.c (replaced_rhs_value): New variable.
1929 (combine_instructions): Set it.
1930 (distribute_notes): When distributing a note in replaced_rhs_insn,
1931 check whether the value was used in replaced_rhs_value.
1933 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1936 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1937 add_referenced_var instead of add_referenced_tmp_var.
1938 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1939 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1941 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1942 tree_optimize_tail_calls_1): Use add_referenced_var.
1943 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1944 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1945 Use add_referenced_var.
1946 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1947 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1948 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1949 Use add_referenced_var.
1950 * tree-dfa.c (struct walk_state): Remove.
1951 (find_referenced_vars): Remove walk state and vars_found hash table.
1952 (make_rename_temp): Use add_referenced_var.
1953 (find_vars_r): Pass less parameters to add_referenced_var.
1954 (referenced_var_p): New. Is var in referenced_var hash table.
1955 (referenced_var_insert): Assert var isn't already in hash table.
1956 (add_referenced_var): Don't need walk_state parameter. Add var if it
1957 isn't already in the hash table.
1958 (add_referenced_tmp_var): Remove.
1959 (find_new_referenced_vars_1): Use add_referenced_var.
1960 * tree-ssa-pre.c (create_expression_by_pieces,
1961 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1962 Use add_referenced_var.
1963 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1964 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1965 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1967 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1968 vect_create_data_ref_ptr, vect_create_destination_var,
1969 vect_init_vector, vect_build_loop_niters,
1970 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1971 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1972 Use add_referenced_var.
1973 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1974 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1975 (add_referenced_var): Add prototype.
1976 * tree-ssa-structalias.c (get_constraint_for,
1977 intra_create_variable_infos): Use add_referenced_var.
1979 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1981 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1982 big-endian paradoxical subregs.
1983 * var-tracking.c (struct micro_operation_def): Document that,
1984 for modify micro operations, insn is the subsequent instruction.
1985 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1986 (var_reg_set, var_mem_set): ... new functions.
1987 (add_stores): Record subsequent insn.
1988 (compute_bb_dataflow): Use new functions for MO_USE.
1989 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1990 notes after the insn, and modify notes before the insn known
1991 to be the subsequent one.
1992 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1994 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1997 * config/i386/i386.c (ix86_expand_builtin): Use
1998 gen_sse3_monitor64 for TARGET_64BIT.
2000 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2002 PR rtl-optimization/26375
2003 PR rtl-optimization/26855
2004 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2006 (df_ru_bb_local_compute): Reversed statements and removed bogus
2007 comment explaining why they should be in wrong order.
2008 (df_ru_dump, df_rd_dump): Enhanced debug info.
2009 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2011 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2012 reaching uses and fixed space problem.
2014 2006-05-23 Jan Hubicka <jh@suse.cz>
2016 * cgraphunit.c (decide_is_function_needed): Also nested functions
2017 and functions declared inline can be optimized out at -O0.
2019 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2021 * doc/install.texi (Configuration): Remove reference to CrossGCC
2025 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2028 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2029 ix86_compare_emitted is non-NULL.
2031 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2034 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2037 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2039 PR rtl-optimization/25514
2040 * combine.c (replaced_rhs_insn): New variable.
2041 (combine_instructions): Set replaced_rhs_insn when trying to replace
2042 a SET_SRC with a REG_EQUAL note.
2043 (distribute_notes): Use replaced_rhs_insn when determining the live
2044 range of a REG_DEAD register.
2046 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2047 Anatoly Sokolov <aesok@post.ru>
2049 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2050 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2051 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2052 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2053 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2054 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2055 at90usb647, at90usb1286 and at90usb1287 devices.
2056 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2057 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2059 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2061 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2063 2006-05-22 Richard Guenther <rguenther@suse.de>
2066 2006-01-31 Richard Guenther <rguenther@suse.de>
2067 Paolo Bonzini <bonzini@gnu.org>
2069 * doc/install.texi (--disable-libgcc-math): Document.
2071 2006-05-22 Richard Guenther <rguenther@suse.de>
2074 2006-01-31 Richard Guenther <rguenther@suse.de>
2076 * doc/invoke.texi (-msselibm): Document.
2077 * target.h (expand_library_builtin): New target hook.
2078 * builtins.c (expand_builtin): Use expand_library_builtin.
2079 (default_expand_library_builtin): New function.
2080 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2081 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2082 (link_gcc_math_spec): Declare.
2083 (static_specs): Add link_gcc_math_spec.
2084 * expr.h (default_expand_library_builtin): Declare.
2085 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2086 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2087 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2088 * config/i386/i386.opt (msselibm): New target option.
2089 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2090 (ix86_init_sse_abi_builtins): New function.
2091 (ix86_expand_library_builtin): Likewise.
2092 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2093 (override_options): Handle error conditions wrt -msselibm.
2094 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2095 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2096 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2099 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2102 * c-common.c (self_promoting_args_p): Skip erroneous args.
2105 * c-decl.c (finish_struct): Skip erroneous fields.
2107 2006-05-22 Nick Clifton <nickc@redhat.com>
2109 * config/cris/cris.opt (march): Remove VarExists attribute.
2110 (max-stackframe=): Likewise.
2112 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2114 * doc/rtl.texi: Fix a typo.
2115 * see.c: Fix comment typos.
2117 * tree-ssa-structalias.h (alias_info): Remove num_references.
2119 2006-05-21 Mike Stump <mrs@apple.com>
2121 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2123 (darwin_pragma_options): Use BAD instead.
2124 (darwin_pragma_unused): Likewise.
2125 (darwin_pragma_ms_struct): Likewise.
2127 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2129 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2131 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2133 PR rtl-optimization/27671
2134 * simplify-rtx.c (simplify_relational_operation_1): Fix
2135 simplifications of (eq/ne (xor x y) y) and
2136 (eq/ne (xor x y) x).
2138 PR tree-optimization/26622.
2139 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2142 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2144 * tree-cfg.c: Prune whitespace.
2145 (debug_tree_cfg): Point to correct header containing the
2148 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2151 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2153 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2156 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2157 or sorry count is non zero.
2159 2006-05-20 Andreas Schwab <schwab@suse.de>
2161 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2163 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2164 Kenneth Zadeck <zadeck@naturalbridge.com>
2166 PR rtl-optimization/26855
2168 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2170 (df_scan_alloc): Added code to properly handle multiword hard
2171 registers and add all_blocks parameter.
2172 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2173 code to properly handle multiword hard registers.
2174 (df_rescan_blocks): Added code to remove deleted blocks from
2176 (df_ref_create_structure, df_ref_record): Added code to properly
2178 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2179 and set DF_REF_PARTIAL.
2180 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2181 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2182 (df_scan_add_problem): Added flags parameter.
2183 (df_ref_create_structure): Changed switching structure.
2184 (df_bb_refs_record): Fixed case where duplicate artificial refs
2185 were created. Changed location of flags.
2186 (df_record_entry_block_defs): Added code to make stack pointer
2187 live in entry block. Refined cases where frame pointer is needed.
2188 Changed location of flags.
2189 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2190 (df_set_state): Removed function.
2191 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2192 df_insn_create_insn_record, df_insn_refs_delete,
2193 df_ref_create_structure): Formatting changes.
2194 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2195 df_delete_basic_block): New function.
2196 (df_init): Changed location of flags.
2197 (df_add_problem): Added flags parameter and the way flags are
2199 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2200 debug_df_chain): Improved debugging output.
2201 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2202 (df_refs_chain_dump): Removed df parameter.
2203 (df_iterative_dataflow): Added consistency check.
2204 (df_prune_to_subcfg): Made public.
2205 (df_analyze_problem): Added blocks_to_init parameter and made
2207 (df_ref_record, df_bb_refs_record, df_mark_reg,
2208 df_record_exit_block_uses): Whitespace changes.
2209 (df_dump): Whitespace changes.
2210 * df.h: Some reordering to remove forward references.
2211 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2212 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2213 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2214 (dataflow.flags): New field.
2215 (df.flag): Deleted field.
2216 (df_alloc_function): Added additional bitmap parameter.
2217 (df_dependent_problem_function): New type.
2218 (df_problem.changeable_flags): New field.
2219 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2220 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2221 (df_mw_hardreg): New struct.
2222 (DF_INSN_UID_MWS): New macro.
2223 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2225 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2226 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2227 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2228 (df_set_state): Removed function.
2229 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2230 * df-problems.c (df_chain_dump): Removed df parameter.
2231 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2232 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2234 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2235 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2236 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2237 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2238 DF_REF_MUST_CLOBBER cases.
2239 (df_ru_bb_local_compute_process_def,
2240 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2241 df_lr_bb_local_compute, df_ur_bb_local_compute,
2242 df_chain_create_bb): Made subreg aware.
2243 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2244 df_lr_bb_local_compute, df_lr_bb_local_compute,
2245 df_chain_create_bb): Cleanup to use proper macros.
2246 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2247 code to fixup bitvectors.
2248 (df_ri_alloc): Cleared lifetime.
2249 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2250 df_create_unused_note): New function.
2251 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2252 REG_DEAD and REG_UNUSED notes as well as register information.
2253 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2254 df_chains_dump): Fixed crash if problem was never run.
2255 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2256 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2257 df_ri_add_problem): Processes flags in uniform manner.
2258 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2259 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2260 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2261 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2262 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2263 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2264 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2265 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2266 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2267 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2268 * see.c (see_initialize_data): Ditto.
2269 * final.c (rest_of_clean_state) Added regstack_completed.
2270 * rtl.h (regstack_completed): Ditto.
2271 * reg-stack.c (regstack_completed): Ditto.
2273 2006-05-19 Mike Stump <mrs@apple.com>
2275 * c-tree.h (default_conversion): Remove.
2276 * c-common.h (default_conversion): Add.
2278 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2280 * tree-vrp.c (valid_value_p): New function.
2281 (adjust_range_with_scev): Fail if the value of bound is not
2284 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2286 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2287 (mips_fallback_frame_state): Use syscall numbers to determine
2288 the appropriate li instruction for the current ABI. Only use
2289 __NR_sigreturn for o32.
2291 2006-05-19 Nicolas Setton <setton@adacore.com>
2293 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2294 * langhooks.c (lhd_dwarf_name): New function.
2295 * langhooks-def.h (lhd_dwarf_name): Declare.
2296 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2297 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2298 * ada/misc.c (gnat_dwarf_name): New function.
2299 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2301 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2303 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2305 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2306 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2307 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2308 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2309 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2310 determine the size of Wtype, etc.
2311 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2312 (swfloatfuncs): New variable.
2313 (dwfloatfuncs): Likewise.
2314 (lib2funcs): Remove floating-point conversion functions from
2315 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2316 the set of conversion routines needed. Allow entries to specify
2317 an object name, filename and word size. Update users accordingly.
2318 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2319 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2323 2006-02-08 Roger Sayle <roger@eyesopen.com>
2326 * config/fixtfdi.c: New libgcc source file.
2327 * config/fixunstfdi.c: New source file.
2328 * config/floatditf.c: New source file.
2329 * config/floatunditf.c: New souce file.
2330 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2331 files above instead of config/mips/_tilib.c.
2332 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2334 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2336 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2337 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2339 2006-05-18 Mike Stump <mrs@apple.com>
2341 Fix up vla, vm and [*] sematics.
2347 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2348 (c_vla_unspec_p): Add.
2349 (c_vla_type_p): Add.
2350 * c-decl.c (struct c_scope): Add had_vla_unspec.
2351 (build_array_declarator): Add support for [*].
2352 (grokdeclarator): Likewise.
2353 (grokparms): Likewise.
2354 (get_parm_info): Likewise.
2355 * c-objc-common.c (c_vla_unspec_p): Likewise.
2356 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2357 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2358 typeof when argument is a variably modified type not inside sizeof or alignof.
2359 (c_parser_direct_declarator_inner): Propagate errors.
2360 (c_parser_sizeof_expression): Add support for [*].
2361 (c_parser_parms_declarator): Initialize had_vla_unspec.
2362 (c_parser_parms_list_declarator): Likewise.
2363 * c-typeck.c (c_vla_type_p): Add.
2364 (composite_type): Add support for vla compositing.
2365 (comptypes_internal): Add support for vla compatibility.
2366 (c_expr_sizeof_expr): Evaluate vla arguments.
2367 * tree.c (variably_modified_type_p): Update comment for [*].
2369 2006-05-18 Michael Matz <matz@suse.de>
2372 * config.host: Make assignments to host_xmake_file cumulative.
2373 * config.host (*-darwin*): Test $host, not $target.
2375 2006-05-12 Stuart Hastings <stuart@apple.com>
2377 * config/i386/i386.opt (-mstackrealign): New flag.
2378 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2379 (ix86_handle_cconv_attribute): Emit error when
2380 force_align_arg_pointer attribute collides with too many regparms.
2381 (ix86_function_regparm): Limit regparms when used with
2382 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2383 Support stack-realigning prologue in non-main functions. Emit
2384 warning for nested functions under -mstackrealign, emit error for
2385 nested functions with force_align_arg_pointer attribute.
2386 * doc/extend.texi (force_align_arg_pointer): Document it.
2387 * doc/invoke.texi (-mstackrealign): Document it.
2389 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2391 PR rtl-optimization/27477
2392 * combine.c (try_combine): Don't split a parallel consisting
2393 of two sets into two individual sets if both sets reference
2396 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2398 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2399 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2401 * doc/options.texi (VarExists): Updated.
2403 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2405 * unwind-dw2.c: Add declarations for uw_update_context and
2407 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2408 detected, advance frame state and context once to skip over stub.
2410 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2414 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2415 Call rewrite_into_loop_closed_ssa only when something changed.
2416 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2417 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2418 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2419 Test for perfect_nest_p here. Fix formating.
2420 (replace_uses_equiv_to_x_with_y): Fix formating.
2421 (stmt_uses_op): Removed.
2422 (can_convert_to_perfect_nest): Removed loopivs parameter.
2423 Complete the test by checking the scalar dependences.
2424 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2427 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2430 From Dan Kegel <dank@kegel.com>:
2431 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2433 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2435 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2436 if the element type is variably modified without recursing.
2438 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2441 * tree-loop-linear.c (try_interchange_loops): Test for
2442 no data dependences.
2444 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2446 PR tree-optimization/27548
2447 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2448 range of ssa names that appear on abnormal edges.
2449 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2450 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2452 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2455 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2457 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2460 * tree.h (OMP_PARALLEL_COMBINED): Define.
2461 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2462 (new_omp_context): Add is_combined_parallel argument.
2463 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2464 new_omp_context caller.
2465 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2466 Adjust gimplify_scan_omp_clauses callers.
2467 (omp_is_private): Issue errors if iteration variable is firstprivate
2468 or reduction in the current context.
2469 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2470 on combined parallel workshare constructs.
2472 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2474 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2475 (gcc-options.o): New rule.
2477 * optc-gen.awk: Protect variables for gcc-options.o with
2478 #ifdef GCC_DRIVER/#endif.
2480 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2482 Fix PR tree-optimization/27373
2483 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2484 (forward_propagate_addr_expr): Update call.
2486 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2488 * doc/options.texi: Move the Negative option.
2490 2006-05-16 Richard Guenther <rguenther@suse.de>
2492 PR tree-optimization/22303
2493 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2495 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2496 ccp_fold did not simplify the statement.
2498 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2501 * Makefile.in (GCC_OBJS): New.
2502 (OBJS-common): Add opts-common.o.
2503 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2504 (cpp$(exeext)): Likewise.
2505 (gcc.o): Also depend on opts.h.
2506 (opts-common.o): New.
2508 * common.opt (gcoff): Add Negative(gdwarf-2).
2509 (gdwarf-2): Add Negative(gstabs).
2510 (gstabs): Add Negative(gstabs+).
2511 (gstabs+): Add Negative(gvms).
2512 (gvms): Add Negative(gxcoff).
2513 (gxcoff): Add Negative(gxcoff+).
2514 (gxcoff+): Add Negative(gcoff).
2515 * config/i386/i386.opt (m32): Add Negative(m64).
2516 (m64): Add Negative(m32).
2518 * doc/options.texi: Document the Negative option.
2520 * gcc.c: Include "opts.h".
2521 (main): Call prune_options after expandargv.
2523 * optc-gen.awk: Generate common declarations for all flag
2524 variables in options.c. Output the neg_index field.
2526 * opts.c (find_opt): Moved to ...
2527 * opts-common.c: Here. New file.
2529 * opts.h (cl_option): Add a neg_index field.
2531 (prune_options): Likewise.
2533 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2536 * omp-low.c (expand_omp_parallel): Don't assert
2537 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2538 instead search for it.
2541 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2544 2006-05-16 Andreas Schwab <schwab@suse.de>
2546 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2549 2006-05-15 Roger Sayle <roger@eyesopen.com>
2552 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2553 integer constants other than zero are only legitimate on TARGET_64BIT.
2554 <CONST_VECTOR> Only zero vectors are legitimate.
2555 (ix86_cannot_force_const_mem): Integral and vector constants can
2556 always be put in the constant pool.
2558 2006-05-16 DJ Delorie <dj@redhat.com>
2560 * crtstuff.c (__dso_handle): Set section from
2561 TARGET_LBIGCC_SDATA_SECTION if defined.
2562 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2563 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2565 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2568 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2571 2006-05-16 Ben Elliston <bje@au.ibm.com>
2573 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2575 2006-05-15 Per Bothner <per@bothner.com>
2577 * tree.c: (last_annotated_node): Use source_locus typedef.
2578 This permits bootstrapping with --enable-mapped-location.
2580 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2582 PR tree-optimization/26830
2583 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2584 (info_for_ssa_name, current_info_for_ssa_name_age,
2585 blocks_to_update): New variables.
2586 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2587 (clear_ssa_name_info, initialize_flags_in_bb,
2588 mark_block_for_update): New functions.
2589 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2590 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2591 prepare_def_site_for): Use mark_block_for_update.
2592 (mark_def_interesting): Assert that the processed block is marked in
2593 blocks_to_update. Do not take blocks argument.
2594 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2596 (rewrite_update_init_block, rewrite_update_stmt): Only process
2597 blocks with statements to rewrite.
2598 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2599 (update_ssa): Initialize and free blocks_to_update. Do not
2600 clear flags on statements. Do not use blocks bitmap.
2601 * tree.h (SSA_NAME_AUX): Removed.
2602 (struct tree_ssa_name): Removed aux field.
2603 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2605 2006-05-15 Richard Guenther <rguenther@suse.de>
2607 PR tree-optimization/27603
2608 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2609 Do computations in original type.
2611 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2613 * see.c: Code style changes such as redundant paranthesis,
2614 redundant intialization of local variables etc.
2615 (see_main): Declared now as static.
2616 * doc/invoke.texi: Update that -fsee is not enabled by
2619 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2621 * omp-low.c (check_omp_nesting_restrictions): New function.
2622 (scan_omp_1): Call it.
2625 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2626 construct, return *VAR.
2628 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2630 PR rtl-optimization/27406
2631 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2634 2006-05-14 Roger Sayle <roger@eyesopen.com>
2636 PR rtl-optimization/27538
2637 * combine.c (expand_compound_operation): Call gen_lowpart
2638 before calling simplify_shift_const.
2640 2006-05-14 Roger Sayle <roger@eyesopen.com>
2642 PR rtl-optimization/22563
2643 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2644 a fixed width bitfield, always force the intermediates into psuedos.
2646 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2649 * mkconfig.sh: Use operator = instead of == for test.
2651 2006-05-13 Nick Clifton <nickc@redhat.com>
2653 * dwarf2out.c (dbx_reg_number): Check return value from
2654 LEAF_REG_REMAP and only use it if it is valid.
2655 (multiple_reg_loc_descriptor): Likewise.
2657 2006-05-13 Richard Guenther <rguenther@suse.de>
2659 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2662 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2664 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2665 information attached to non-INSNs such as NOTEs.
2666 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2668 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2670 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2672 * config/s390/s390.md: Adjust comment describing On constraint.
2674 2006-05-11 Jan Hubicka <jh@suse.cz>
2676 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2677 to be output at -O0.
2679 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2682 * fold-const.c (size_binop): Move sanity check for arguments to
2683 the beginning of the function.
2686 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2689 2006-05-11 Richard Guenther <rguenther@suse.de>
2692 * fold-const.c (fold_unary): Handle intermediate conversion
2693 to a pointer type like intermediate conversion to an integer
2694 type in folding of (T1)(T2)var to var.
2695 Match the code to the comment in the final conversion for
2696 (T1)(T2)var to (T1)var regarding to type precision. Rather
2697 than disallow T1 being of pointer type, assert that both T1
2698 and var are of pointer type or not. Make sure not to fall
2699 over the frontends lazyness wrt array to pointer decay though.
2701 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2703 * arm.c (arm_struct_value_rtx): Delete.
2704 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2705 (arm_init_cumulative_args): Always initialize nregs to zero.
2707 2006-05-10 Richard Guenther <rguenther@suse.de>
2709 PR tree-optimization/27532
2710 * tree-object-size.c (plus_expr_object_size): Fix typo.
2712 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2715 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2716 ashrdi_const, ashrdi3): Use a scratch register.
2718 2006-05-10 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/27302
2721 * fold-const.c (operand_equal_p): For two comparisons,
2722 try comparison of one comparison code swapped if that yields
2725 2006-05-10 Ben Elliston <bje@au.ibm.com>
2727 * tree-pretty-print.c (pretty_print_string): No need to handle
2728 '\0' as a special character.
2730 * tree.h: Include "hashtab.h".
2731 (iterative_hash_expr): Use hashval_t in its prototype.
2732 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2734 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2737 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2738 (hppa*64*-*-hpux11*): Ditto.
2739 (hppa[12]*-*-hpux11*): Ditto.
2741 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2744 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2746 2006-05-09 Michael Matz <matz@suse.de>
2748 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2749 host_extra_gcc_objs and host_xmake_file.
2750 (<*-*-linux*>): Don't overwrite host_xmake_file.
2751 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2752 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2753 (host_detect_local_cpu): Declare.
2754 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2755 * config/i386/i386.c (override_options): Handle -mtune=native
2757 * config/i386/x-i386: New file.
2758 * config/i386/driver-i386.c: New file.
2759 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2762 2006-05-09 Dirk Mueller <dmueller@suse.de>
2763 Richard Guenther <rguenther@suse.de>
2766 * fold-const.c (fold_read_from_constant_string): Relax check
2767 for matching types to matching modes.
2769 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2771 PR rtl-optimization/27335
2772 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2775 2006-05-08 Chao-ying Fu <fu@mips.com>
2776 Richard Sandiford <richard@codesourcery.com>
2778 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2779 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2780 * config/mips/mips.md (UNSPEC_SCC): New constant.
2781 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2782 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2783 (mips_emit_compare): Use it.
2784 (mips_expand_vcondv2sf): New function.
2786 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2788 Fix PR tree-optimization/27093
2789 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2790 renaming when they become not-used_alone.
2792 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2794 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2795 relocation and relocation stubs.
2797 2006-05-08 Eric Christopher <echristo@apple.com>
2799 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2802 2006-05-08 Jan Hubicka <jh@suse.cz>
2805 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2806 unused static functions are needed.
2808 2006-05-08 Roger Sayle <roger@eyesopen.com>
2811 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2812 of a reg_equiv_constant if the result is a legitimate constant.
2814 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2817 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2818 standard 80387 constants, raise the cost to prevent
2819 compress_float_constant() to generate load from memory.
2821 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2823 * config/arm/constraints.md (c): Fix a typo.
2825 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2828 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2831 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2833 (_mm_mwait): Likewise.
2835 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2837 (sse3_monitor): Make it 32bit only.
2838 (sse3_monitor64): New. 64bit monitor.
2840 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2843 * config/i386/i386.c (classify_argument): Skip fields with invalid
2846 2006-05-07 Richard Guenther <rguenther@suse.de>
2848 PR tree-optimization/27409
2849 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2850 Do not try to find zero-sized subvars.
2852 2006-05-07 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/27136
2855 * tree-ssa-loop-niter.c (get_val_for): Correct function
2856 comment, assert requirements.
2857 (loop_niter_by_eval): Stop processing if the iterated
2858 value did not simplify.
2860 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2862 * opts.c (flag_see): remove its setting at -O3.
2864 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2866 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2867 * arm/constraints.md: New file.
2868 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2869 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2870 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2871 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2872 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2873 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2874 * arm.md: Include constraints.md.
2875 (thumb_movsi_insn): Use satisfies_constraint_J.
2876 (movhi, movqi): Use satisfies_constraint_I.
2878 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2880 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2881 for atmeg a645 device.
2883 2006-05-06 Richard Guenther <rguenther@suse.de>
2885 PR tree-optimization/27151
2886 * tree-vect-transform.c (vectorizable_condition): Punt on
2887 values that have a different type than the condition.
2889 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2892 * c-parser.c (c_parser_cast_expression): Only insert casts into
2893 hash table if pointer.
2894 * function.c (used_types_insert_helper): Rename from
2896 (used_types_insert): Call used_types_insert_helper.
2897 * function.h (used_types_insert): Accept only one argument.
2899 2006-05-05 David Edelsohn <edesohn@gnu.org>
2901 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2902 scratch with output modifier.
2904 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2907 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2908 with output modifier.
2910 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2913 * config/mips/mips.c (mips_symbolic_address_p): Return true
2914 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2915 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2917 2006-05-04 Richard Guenther <rguenther@suse.de>
2919 PR tree-optimization/14287
2920 PR tree-optimization/14844
2921 PR tree-optimization/19792
2922 PR tree-optimization/21608
2923 PR tree-optimization/27090
2924 * tree-ssa-pre.c (try_combine_conversion): New function.
2925 (compute_avail): After constructing the value-handle
2926 expression, use try_combine_conversion to combine NOP_EXPRs
2927 with previous value-handle expressions and use the result if it
2930 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2932 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2934 2006-05-04 Jan Hubicka <jh@suse.cz>
2937 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2939 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2941 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2942 that this only matches CONST_INTs. All users changed to VOIDmode
2945 * config/bfin/bfin.c: Include "optabs.h".
2946 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2948 (enum bfin_builtins): Add a number of fractional and vector builtins.
2949 (bfin_init_builtins): Likewise.
2950 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2951 (safe_vector_operand, bfin_expand_binop_builtin,
2952 bfin_expand_unop_builtin): New functions.
2953 (bfin_expand_builtin): Handle the new builtins.
2954 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2957 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2960 * Makefile.in (OBJS-common): Add see.o.
2961 (see.o): Add dependencies.
2962 * common.opt (fsee): New flag for the see optimization was added.
2963 * opts.c (flag_see): Initialized.
2964 * passes.c (init_optimization_passes, pass_see): New pass.
2965 * rtl.h (see_main): Declaration as extern.
2966 * timevar.def (TV_SEE): New.
2967 * tree-pass.h (pass_see): Declaration as extern.
2968 * invoke.texi (-fsee): Document.
2969 * recog.c (validate_simplify_insn): New function.
2970 * recog.h (validate_simplify_insn): Declaration as extern.
2971 * df-problems.c (df_chain_dump): Check for NULL.
2973 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2974 Daniel Berlin <dberlin@dberlin.org>
2976 * cfgrtl.c (insert_insn_bb_end_new): New function.
2977 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2979 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2981 * df.h (struct web_entry): Moved from web.c.
2982 (union_defs): Declaration as extern.
2983 (unionfind_root): Likewise.
2984 (unionfind_union): Likewise.
2985 * web.c (struct web_entry): Moved to df.h.
2986 (unionfind_root): Remove static declaration.
2987 (unionfind_union): Likewise.
2988 (union_defs): Likewise and generalize to use callback function.
2989 (web_main): Update arguments for union_defs function call.
2991 2006-05-04 Richard Guenther <rguenther@suse.de>
2993 PR tree-optimization/26447
2994 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2995 produce SSA_NAME copies before the store stmt to avoid
2996 breaking exception handling.
2998 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3001 * gimplify.c (omp_is_private): If var is shared in some outer context,
3002 return false instead of true. Stop searching on parallel context
3005 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3008 * coverage.c: Use get_gcov_unsigned_t() instead of
3009 unsigned_type_node all over.
3011 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3013 PR tree-optimization/27381
3014 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3015 maintain the same immediate_use links.
3016 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3017 node rather than segfaulting.
3019 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3022 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3023 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3024 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3026 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3028 Fix PR tree-optimization/26626
3029 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3031 * tree-ssa-operands.c (access_can_touch_variable): Allow
3032 typecasting through union pointers.
3034 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3037 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3038 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3039 to find if var will be a global variable even in the nested context.
3040 (omp_copy_decl): Only check for global variable at the end, it might
3041 be overridden in outer contexts.
3042 (scan_sharing_clauses): For global variables don't create a field.
3043 (lower_rec_input_clauses): Do nothing for global shared variables.
3044 Emit a barrier at the end of ILIST if there were any decls in both
3045 firstprivate and lastprivate clauses.
3046 (lower_send_clauses): Do nothing for global variables except for
3049 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3051 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3052 of the correct signedness is returned.
3054 2006-05-02 Jeff Law <law@redhat.com>
3056 PR tree-optimization/27364
3057 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3058 multiply expressions.
3060 2006-05-02 Tom Tromey <tromey@redhat.com>
3062 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3064 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3067 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3068 -mthumb -fPIC are used.
3070 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3071 Joshua Kinard <kumba@gentoo.org>
3074 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3075 with 64-bit pointers.
3077 2006-05-02 Paul Brook <paul@codesourcery.com>
3079 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3081 (create_fix_barrier): Check that a suitable barrier location is
3083 (arm_reorg): Include ftmp->address in allowable range of addresses.
3085 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3088 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3091 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3094 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3095 around RESULT_DECL for result passed by reference.
3096 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3097 * omp-low.c (use_pointer_for_field): Don't look at
3098 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3099 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3100 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3101 time or var for passing by reference for
3102 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3103 TREE_ADDRESSABLE variables when passing by reference.
3105 * omp-low.c (dump_omp_region): Fix output formatting.
3108 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3109 (expand_omp_parallel): Likewise.
3110 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3113 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3114 on statement list containing also constructors and destructors.
3115 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3118 * except.c (duplicate_eh_regions): Fix clearing of
3119 cfun->eh->region_array entries.
3121 2006-05-01 DJ Delorie <dj@redhat.com>
3123 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3125 (gcc_cv_objdump): Likewise.
3126 * configure: Regenerated.
3128 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3131 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3132 templates for case 3 and 4.
3134 2006-05-01 DJ Delorie <dj@redhat.com>
3136 * vec.c: Include bconfig.h when appropriate.
3137 * Makefile.in (build/vec.o): Adjust dependencies.
3138 * mkconfig.sh: Make sure config.h isn't used for build machine
3141 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3143 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3145 (mark_phi_for_rewrite): New function.
3146 (insert_phi_nodes_for, mark_use_interesting): Call
3147 mark_phi_for_rewrite.
3148 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3149 (update_ssa): Initialize and free phis_to_rewrite.
3151 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3153 PR rtl-optimization/27291
3154 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3155 folded to a constant.
3157 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3159 PR tree-optimization/27283
3160 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3161 not whole # of iteration descriptions.
3162 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3163 uses abnormal ssa name.
3164 (niter_for_single_dom_exit): Ditto.
3165 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3166 return just the number of iterations.
3168 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3170 PR tree-optimization/27144
3171 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3172 (record_estimate): Only record constant upper bound.
3173 (infer_loop_bounds_from_undefined): Call
3174 compute_estimated_nb_iterations just once.
3175 (proved_non_wrapping_p): Renamed to ...
3176 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3177 (convert_step_widening, scev_probably_wraps_p): Call
3178 n_of_executions_at_most instead of proved_non_wrapping_p.
3179 (substitute_in_loop_info): Do not replace values in bounds.
3180 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3183 2006-05-01 Richard Henderson <rth@redhat.com>
3186 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3187 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3190 2006-05-01 Roger Sayle <roger@eyesopen.com>
3192 * c-typeck.c (parser_build_binary_op): Don't call the function
3193 unsigned_conversion_warning to spot operand/result type overflow.
3194 (build_binary_op): Instead, call convert_and_check instead of
3195 convert to report the problem when the operands are promoted.
3196 * c-common.c (unsigned_conversion_warning): Make static.
3197 * c-common.h (unsigned_conversion_warning): Delete prototype.
3199 2006-05-01 Richard Guenther <rguenther@suse.de>
3201 PR tree-optimization/26726
3202 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3204 (find_interesting_uses_address): ... we work around here
3205 by folding INDIRECT_REFs in the substituted base.
3207 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3209 * omp-low.c (dump_omp_region): Add newlines.
3211 2006-04-30 Roger Sayle <roger@eyesopen.com>
3213 * common.opt (Woverflow): New command line option.
3214 * c-common.c (constant_expression_warning): Check warn_overflow.
3215 (overflow_waring): Pass OPT_Woverflow to warning.
3216 (unsigned_conversion_warning): Likewise.
3217 (convert_and_check): Likewise.
3218 * doc/invoke.texi: Document new command line option.
3220 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3222 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3223 TARGET_NO_FP_IN_TOC for section anchors.
3224 (optimization_options): Enable section anchors for all
3225 non-"Objective" languages.
3227 2006-04-28 Eric Christopher <echristo@apple.com>
3229 * config/darwin-c.c (darwin_ms_struct): Move this
3230 (darwin_set_default_type_attributes): and this...
3231 * config/darwin.c: ... here.
3232 * config/darwin.h (darwin_ms_struct): Declare.
3234 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3236 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3238 2006-04-28 Roger Sayle <roger@eyesopen.com>
3241 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3242 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3243 an unsigned HOST_WIDE_INT.
3244 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3246 (really_start_incremental_init): No need to call convert because
3247 bitsize_zero_node is already of type bitsizetype.
3248 (push_init_level): Extract the value of constructor_index as an
3249 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3250 (process_init_element): Likewise.
3252 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3254 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3255 value before passing to make_relative_prefix.
3257 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3260 * builtins.c (expand_builtin_memset): Expand val in original mode.
3262 2006-04-27 Eric Christopher <echristo@apple.com>
3264 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3265 with #ifndef/#endif.
3266 * config/darwin-c.c (darwin_ms_struct): New.
3267 (darwin_pragma_ms_struct): Ditto.
3268 (darwin_set_default_type_attributes): Ditto.
3269 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3270 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3271 Register ms_struct pragma.
3272 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3273 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3274 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3275 darwin_set_default_type_attributes if TARGET_MACHO.
3277 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3279 PR tree-optimization/26854
3280 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3281 * doc/tree-ssa.texi: Update immuse iterator documentation.
3282 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3283 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3284 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3285 first_safe_imm_use, next_safe_imm_use): Remove.
3286 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3287 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3288 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3289 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3290 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3291 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3292 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3293 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3294 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3295 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3296 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3297 (perfect_nestify): Use new iterator.
3298 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3300 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3301 (next_imm_name): New field in struct immediate_use_iterator_d.
3302 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3303 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3304 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3305 * tree-cfg.c (replace_uses_by): Use new iterator.
3306 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3307 * tree-ssa-operands.c (correct_use_link): Remove.
3308 (finalize_ssa_use_ops): No longer call correct_use_link.
3310 2006-04-27 Stuart Hastings <stuart@apple.com>
3312 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3313 * config/t-darwin (crt3.o): Use it.
3314 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3315 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3316 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3317 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3318 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3321 2006-04-27 Roger Sayle <roger@eyesopen.com>
3323 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3324 size, force the intermediate into a new pseudo rather instead of
3325 performing both a bitwise AND and a bitwise IOR in memory.
3327 2006-04-27 Richard Guenther <rguenther@suse.de>
3329 PR rtl-optimization/26685
3330 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3331 this one "max-flow-memory-locations".
3333 2006-04-27 Richard Guenther <rguenther@suse.de>
3335 PR tree-optimization/25148
3336 * tree-vrp.c (compare_values): Remove code dealing with
3337 comparisons against type min/max value. Honour overflow
3338 and negative constants in code dealing with comparisons
3339 of plus and minus expressions.
3340 (value_inside_range): Use fold_binary with LE_EXPR and
3341 GE_EXPR rather than compare_values.
3343 2006-04-27 Dirk Mueller <dmueller@suse.de>
3345 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3348 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3350 * basic-block.h (safe_insert_insn_on_edge): Removed.
3351 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3353 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3354 Paolo Bonzini <bonzini@gnu.org>
3357 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3358 (simplify_and_const_int): Same.
3360 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3362 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3364 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3367 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3368 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3369 cgraph_global_info_ready.
3372 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3375 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3376 either decl or init is error_mark_node.
3379 * tree-flow.h (struct omp_region): Add sched_kind.
3380 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3381 instead of extracting omp for data.
3382 (expand_omp_for): Save extracted sched_kind.
3384 2006-04-25 Roger Sayle <roger@eyesopen.com>
3386 * expmed.c (store_bit_field): Also check whether the bitsize is
3387 valid for the machine's "insv" instruction before moving the
3388 target into a pseudo for use with the insv.
3389 * config/i386/predicates.md (const8_operand): New predicate.
3390 * config/i386/i386.md (extv, extzv, insv): Use the new
3391 const8_operand predicate where appropriate.
3393 2006-04-25 DJ Delorie <dj@redhat.com>
3395 * doc/install.texi (Specific): Clarify that this is not a list of
3396 supported hosts or targets.
3398 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3400 PR rtl-optimization/26725
3401 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3402 block's BB_DIRTY flag.
3404 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3406 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3409 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3410 to print an integer.
3412 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3414 * varasm.c (align_variable): New function.
3415 (get_block_for_decl): Apply align_variable to DECL before
3416 calculating section information.
3417 (assemble_variable): Split out alignment computation.
3419 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3421 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3424 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3426 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3427 MODE_PARTIAL_INT mode.
3428 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3429 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3431 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3432 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3434 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3436 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3438 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3439 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3440 MACFLAG_IH): Likewise.
3441 (movstricthi_1): Renamed from "*movstricthi".
3442 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3443 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3444 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3445 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3446 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3447 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3448 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3449 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3450 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3451 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3452 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3453 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3454 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3455 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3456 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3458 * doc/rtl.texi (ss_ashift): Improve wording.
3460 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3462 * dwarf2out.c (verify_marks_clear): New.
3463 (prune_unused_types): Call verify_marks_clear initially, not
3466 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3468 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3469 * doc/rtl.texi: Document them.
3470 * simplify-rtx.c (simplify_unary_operation,
3471 simplify_binary_operation_1): Don't abort when we see them.
3473 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3476 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3477 * configure.ac: Completely disregard languages that are not
3479 * configure: Regenerated.
3481 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3482 Richard Guenther <rguenther@suse.de>
3484 PR tree-optimization/27236
3485 * tree-inline.c (copy_body_r): Make sure to copy
3486 TREE_THIS_VOLATILE flag.
3488 2006-04-24 Richard Guenther <rguenther@suse.de>
3491 * tree-complex.c (update_parameter_components): Don't handle
3492 unused parameters which have no default def.
3494 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3495 Richard Guenther <rguenther@suse.de>
3497 PR tree-optimization/27218
3498 * tree-inline.c (expand_call_inline): Strip useless type
3499 conversions for the return slot address.
3501 2006-04-24 Richard Guenther <rguenther@suse.de>
3503 * cfgloop.h (struct loops): Remove unused field array. Reorder
3505 (LOOP_PREFETCH): Remove.
3507 2006-04-24 Richard Guenther <rguenther@suse.de>
3509 PR tree-optimization/22525
3510 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3511 variable, adjust types of generated expressions.
3513 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3515 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3516 (tree-vect-patterns.o): Likewise.
3518 (cselib.o): Likewise.
3519 (loop-doloop.o): Likewise.
3520 (regclass.o): Likewise.
3521 (reload1.o): Likewise.
3522 (explow.o): Replace target.h with $(TARGET_H).
3523 (ipa-prop.o): Likewise.
3524 (ipa-cp.o): Likewise.
3525 (ipa-inline.o): Likewise.
3526 (reorg.o): Likewise.
3527 (reg-stack.o): Likewise.
3529 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3531 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3533 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3535 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3537 * configure.ac: Completely disregard languages that are not
3539 * configure: Regenerated.
3542 * c-common.h (c_build_bitfield_integer_type): Declare.
3543 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3544 * c-common.c (c_build_bitfield_integer_type): ... here.
3546 2006-04-23 Roger Sayle <roger@eyesopen.com>
3549 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3550 a SImode SUBREG of a floating point register after no_new_pseudos.
3552 2006-04-23 Roger Sayle <roger@eyesopen.com>
3554 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3555 identify potentially eliminable registers to additionally catch
3556 VIRTUAL_INCOMING_ARGS_REGNUM.
3557 (addsi3): Update the conditions on when to use addsi_small_int.
3559 2006-04-23 Roger Sayle <roger@eyesopen.com>
3562 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3563 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3564 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3566 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3568 * fold-const.c (range_predecessor): Use operand_equal_p
3569 as the predicate for equality.
3570 (range_successor): Likewise.
3572 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3575 * config/soft-fp/op-common.h: Fix a typo.
3577 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3580 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3581 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3583 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3585 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3587 * doc/tm.texi: Fix a typo.
3589 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3591 * dwarf2out.c (struct die_struct): Document that die_sib makes
3592 a circular linked list.
3593 (FOR_EACH_CHILD): New.
3594 (reverse_die_lists): Delete.
3595 (reverse_all_dies): Delete.
3596 (add_dwarf_attr): Correct documentation.
3597 (remove_child_with_prev): New.
3598 (remove_child_TAG): Update for change to die_struct, use
3599 remove_child_with_prev.
3600 (add_child_die): Update for change to die_struct.
3601 (splice_child_die): Use remove_child_with_prev and add_child_die.
3602 (print_die): Use FOR_EACH_CHILD.
3603 (die_checksum): Likewise.
3604 (assign_symbol_names): Likewise.
3605 (output_location_lists): Likewise.
3606 (build_abbrev_table): Likewise.
3607 (calc_die_sizes): Likewise.
3608 (mark_dies): Likewise.
3609 (unmark_dies): Likewise.
3610 (unmark_all_dies): Likewise.
3611 (output_die): Likewise.
3612 (prune_unused_types_mark): Likewise.
3613 (prune_unused_types_walk): Likewise.
3614 (same_die_p): Update for change to die_struct.
3615 (break_out_includes): Likewise.
3616 (prune_unused_types_prune): Likewise.
3617 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3618 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3620 (dwarf2out_finish): Don't call reverse_all_dies.
3622 2006-04-21 Eric Christopher <echristo@apple.com>
3624 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3625 in comments and function names.
3627 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3630 * c-typeck.c (digest_init): Robustify.
3632 * c-typeck.c (pop_init_level): Simplify.
3634 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3636 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3638 2006-04-21 Paul Brook <paul@codesourcery.com>
3640 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3641 hardware floating point.
3643 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3645 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3648 2006-04-21 Nick Clifton <nickc@redhat.com>
3650 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3653 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3656 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3657 C++ lang type in traceback table for Objective-C++.
3659 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3661 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3663 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3665 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3668 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3669 were errors. Remove check for erroneous objects.
3671 2006-04-20 Jeff Law <law@redhat.com>
3673 PR tree-optimization/26854
3674 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3675 checking for zero or one use.
3676 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3677 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3678 * tree-ssa-reassoc.c (negate_value): Similarly.
3679 (reassociate_bb): Similarly.
3681 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3683 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3684 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3685 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3687 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3689 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3690 fp regs if the last fp arg doesn't fit in regs.
3692 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3695 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3696 that the last insn has the REG_INC note.
3698 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3699 Nathan Sidwell <nathan@codesourcery.com>
3702 * stor-layout.c (update_alignment_for_field): Do not align
3704 (place_union_field): Place union field at the start of the union.
3705 (place_field): Move ERROR_MARK check later, and use the current
3706 allocation position to maintain monotonicity.
3708 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3710 * dominance.c: Include timevar.h.
3711 (calculate_dominance_info): Use TV_DOMINANCE.
3712 * timevar.def (TV_DOMINANCE): New timevar.
3713 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3715 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3717 PR rtl-optimization/14261
3718 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3719 move would be an INSV insn.
3720 (noce_process_if_block): Don't optimize if the destination is a
3721 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3723 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3725 * config/s390/s390.md: Add comments with the instructions emitted
3726 by an insn pattern if macros are used.
3728 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3730 PR rtl-optimization/26026
3731 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3732 is a known power of two shifted left a variable amount.
3734 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3736 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3737 to hash table twice when the debug_str section has SECTION_MERGE.
3739 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3741 * config/soft-fp: New directory. From glibc.
3742 * config/soft-fp/t-softfp: New.
3743 * config/soft-fp/README: New.
3744 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3745 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3746 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3747 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3748 * config.gcc: Use rs6000/t-fprules-fpbit or
3749 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3751 * config/rs6000/sfp-machine.h: New. Based on glibc.
3752 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3754 * config/rs6000/t-fprules: Remove fp-bit rules.
3755 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3756 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3757 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3758 (softfp_wrap_start, softfp_wrap_end): New.
3760 2006-04-18 DJ Delorie <dj@redhat.com>
3762 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3764 2006-04-18 Devang Patel <dpatel@apple.com>
3766 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3768 2006-04-18 Nick Clifton <nickc@redhat.com>
3770 * config/sh/t-symbian: Add rule to build sh-c.o
3771 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3772 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3773 (sh_symbian_encode_section_info): Likewise.
3775 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3777 * builtins.c (expand_builtin_strcmp): Cover label definition of
3778 do_libcall with HAVE_cmpstrnsi.
3780 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3782 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3784 * function.h (temp_slot_p): New.
3785 (function): Change the type of x_used_temp_slots to
3786 VEC(temp_slot_p,gc) *.
3788 2006-04-18 Nick Clifton <nickc@redhat.com>
3790 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3791 flag_strength_reduce.
3793 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3795 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3799 Partial revert of revision 112637
3800 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3801 Dale Johannesen <dalej@apple.com>
3804 * regclass.c (struct reg_pref): Update documentation.
3805 (regclass): Set prefclass to NO_REGS if memory is the best option.
3806 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3808 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3810 PR tree-optimization/26821
3811 * tree-ssa-math-opts.c (get_constant_one): New.
3812 (insert_reciprocals): Use it.
3814 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3816 * dwarf2out.c (free_AT): Delete.
3817 (remove_AT): Update string ref counts.
3818 (remove_child_TAG): Don't call free_die.
3820 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3821 or DW_TAG_GNU_EINCL.
3822 (prune_unused_types_walk_attribs): Reset string refcounts.
3823 (prune_unused_types_update_strings): New.
3824 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3825 call free_die. Do call prune_unused_types_update_strings.
3826 (prune_unused_types): Empty debug_str_hash.
3828 2006-04-17 Roger Sayle <roger@eyesopen.com>
3830 * expr.c (expand_assignment): Optimize away no-op moves where the
3831 source and destination are equal and have no side-effects.
3833 2006-04-17 Richard Guenther <rguenther@suse.de>
3836 * reload.c (push_reload): Guard calls to get_secondary_mem
3839 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3841 * alias.c (reg_base_value, old_reg_base_value): Change the
3842 type to VEC(rtx,gc) *.
3843 (REG_BASE_VALUE, find_base_value, record_set,
3844 init_alias_analysis): Use VEC instead of VARRAY.
3846 * alias.c (alias_sets): Change the type to
3847 VEC(alias_set_entry,gc) *.
3848 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3849 VEC instead of VARRAY.
3850 (last_alias_set): Remove.
3852 * cgraph.h (cgraph_edge_p): New.
3853 Update the prototype of cgraph_function_versioning.
3854 * cgraphunit.c (cgraph_copy_node_for_versioning,
3855 cgraph_function_versioning): Use VEC instead of VARRAY.
3856 * ipa-cp.c (ipcp_insert_stage): Likewise.
3858 2006-04-16 Roger Sayle <roger@eyesopen.com>
3861 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3862 "A op B" or "A op C", we may need to convert A to the type of B and C.
3864 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3866 * target.h (struct gcc_target): Add mode_rep_extended.
3867 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3868 (init_num_sign_bit_copies_in_rep): Initialize it using
3870 (truncate_to_mode): Use it.
3871 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3872 * targhooks.h (default_mode_rep_extended): Declare it.
3873 * targhooks.c (default_mode_rep_extended): Define it.
3874 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3875 default_mode_rep_extended.
3876 (TARGET_INITIALIZER): Include it.
3877 * doc/tm.texi (Misc): Document it.
3878 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3879 (mips_truncated_to_mode): New function.
3881 2006-04-16 Roger Sayle <roger@eyesopen.com>
3884 * expr.c (compress_float_constant): Copy the narrow constant into
3885 a new pseudo before extending it to its final width.
3887 2006-04-16 Roger Sayle <roger@eyesopen.com>
3888 Andrew Pinski <pinskia@gcc.gnu.org>
3889 Dale Johannesen <dalej@apple.com>
3892 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3893 special case code to implement V8HImode and V16QImode with SSE2.
3895 2006-04-15 Roger Sayle <roger@eyesopen.com>
3897 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3898 trees are constructed with a suitable tree type.
3900 2006-04-15 Roger Sayle <roger@eyesopen.com>
3902 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3903 (integer_onep): Likewise.
3904 (integer_all_onesp): Likewise.
3905 (integer_pow2p): Likewise.
3906 (integer_nonzerop): Likewise.
3907 (real_zerop): Likewise.
3908 (real_onep): Likewise.
3909 (real_twop): Likewise.
3910 (real_minus_onep): Likewise.
3911 (int_size_in_bytes): Likewise.
3912 (host_integerp): Likewise.
3914 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3916 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3917 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3918 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3920 * tree-ssa-structalias.h (alias_info): Remove num_references.
3922 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3924 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3925 (output_bvb patterns): Likewise.
3926 * pa.c (output_bb): Use 'bb' insn for long branch case.
3927 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3928 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3929 1. Correct length operand for alternatives 1 and 2.
3930 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3931 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3933 2006-04-14 Roger Sayle <roger@eyesopen.com>
3935 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3936 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3937 were accidentally reverted by r112959.
3939 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3942 * except.h (eh_region_outermost): New prototype.
3943 * except.c (eh_region_outermost): New function.
3944 * tree-cfg.c (find_outermost_region_in_block): Use it.
3946 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3948 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3950 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3951 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3952 (init_reload, reload): Use VEC instead of VARRAY.
3953 * reload.h: Update the prototype for
3954 reg_equiv_memory_loc_varray.
3956 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3957 Eric Botcazou <ebotcazou@libertysurf.fr>
3959 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3962 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3965 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3966 to expand fallback builtin function call.
3968 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3971 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3972 and emit libcall here in case the builtin fails.
3973 (expand_builtin_strcmp): Always emit the libcall here on failure.
3975 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3977 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3978 * flow.c (reg_n_info): Change the type to
3979 VEC(reg_info_p,heap) *.
3980 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3982 * regs.h (reg_info_p): New.
3983 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3984 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3985 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3988 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3990 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3992 * params.h (MAX_SCHED_READY_INSNS): New macro.
3993 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3994 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3995 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3996 the ready list for 1 cycle during the first scheduling pass.
3997 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3999 2006-04-13 Richard Henderson <rth@redhat.com>
4002 * gimple-low.c (lower_omp_directive): Remove dead code.
4003 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4004 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4005 * omp-low.c (struct omp_region): Move to tree-flow.h.
4006 (root_omp_region): Export.
4007 (omp_regions, lookup_omp_region): Remove.
4008 (determine_parallel_type): Update for struct omp_region changes.
4009 (dump_omp_region): Dump regions with block numbers.
4010 (new_omp_region): Take type and block instead of stmt; malloc
4012 (free_omp_region_1, free_omp_regions): New.
4013 (expand_parallel_call): Take entry_stmt as argument; update for
4014 changes to omp_region.
4015 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4016 (remove_exit_barriers): New.
4017 (expand_omp_parallel): Update for struct omp_region changes.
4018 (expand_omp_synch): Likewise.
4019 (expand_omp): Likewise.
4020 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4021 (expand_omp_for_static_chunk): Likewise.
4022 (expand_omp_for): Likewise.
4023 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4024 (expand_omp_sections): Similarly, with GOMP_sections_end.
4025 (expand_omp_single): New.
4026 (build_omp_regions_1): Update for OMP_CONTINUE.
4027 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4028 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4029 OMP_SECTIONS_SECTIONS.
4030 (lower_omp_single_simple): Don't emit barrier here.
4031 (lower_omp_single_copy): Likewise.
4032 (lower_omp_single): Fix bindings, and lower to straightline now.
4033 (lower_omp_master, lower_omp_ordered): Likewise.
4034 (lower_omp_critical): Likewise.
4035 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4036 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4037 omp edges, free it afterward.
4038 (make_omp_sections_edges): Remove.
4039 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4040 (move_stmt_r): Handle OMP_CONTINUE.
4041 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4042 statement pointers to basic blocks. Add type member.
4043 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4044 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4045 * tree-inline.c (estimate_num_insns_1): Likewise.
4046 * tree-pretty-print.c (dump_generic_node): Likewise.
4047 * tree-ssa-operands.c (get_expr_operands): Likewise.
4048 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4049 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4050 (OMP_CONTINUE): New.
4051 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4052 (OMP_SECTIONS_SECTIONS): Remove.
4053 (OMP_SECTION_LAST): New.
4054 (OMP_RETURN_NOWAIT): New.
4056 2006-04-13 Roger Sayle <roger@eyesopen.com>
4058 * fold-const.c (native_encode_vector, native_interpret_real):
4059 Correct obvious mistakes in the previous check-in.
4061 2006-04-13 Roger Sayle <roger@eyesopen.com>
4063 * fold-const.c (native_encode_expr): New function to encode
4064 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4065 or VECTOR_CST into a specified buffer.
4066 (native_encode_int): New function.
4067 (native_encode_real): New function.
4068 (native_encode_complex): New function.
4069 (native_encode_vector): New function.
4070 (native_interpret_expr): Inverse of native_encode_expr to convert
4071 a target representation into an INTEGER_CST, REAL_CST etc...
4072 (native_interpret_int): New function.
4073 (native_interpret_real): New function.
4074 (native_interpret_complex): New function.
4075 (native_interpret_vector): New function.
4076 (fold_view_convert_expr): New function to constant fold/evaluate
4077 a VIEW_CONVERT_EXPR of a suitable constant expression.
4078 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4079 Change call of build1 to fold_build1 when constructing a
4082 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4083 Ulrich Weigand <uweigand@de.ibm.com>
4086 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4089 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4092 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4093 optimize to lo_sum for DFmode if !TARGET_FPRS.
4095 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4097 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4098 delete_alias_info, compute_flow_sensitive_aliasing,
4099 group_aliases): Use VEC instead of VARRAY.
4100 * tree-ssa-structalias.c (update_alias_info): Likewise.
4101 * tree-ssa-structalias.h (alias_info): Change the type of
4102 processed_ptrs to VEC(tree,heap) *.
4104 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4107 * config/sh/lib1funcs.h: New file, broken out of:
4108 * config/sh/lib1funcs.asm.
4109 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4111 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4112 * config/sh/lib1funcs-Os-4-200.asm: New file.
4113 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4114 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4115 (EXTRA_MULTILIB_PARTS): Include it.
4116 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4117 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4118 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4119 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4122 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4124 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4125 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4126 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4128 * tree-ssa-live.h: Include vecprim.h.
4129 (tree_partition_associator_d): Change the type of
4130 first_partition to VEC(int,heap) *.
4131 (tpa_first_partition): Use VEC instead of VARRAY.
4133 * Makefile.in (GTFILES): Move functions.h after tree.h.
4134 * function.c (reset_block_changes, record_block_change,
4135 check_block_change, free_block_changes): Use VEC instead of
4137 * function.h (function): Change the type of
4138 ib_boundaries_block to VEC(tree,gc) *.
4139 * tree-inline.c (copy_cfg_body): Initialize
4140 ib_boundaries_block to NULL instead of (varray_type) 0.
4142 2006-04-12 Roger Sayle <roger@eyesopen.com>
4144 * expr.c (emit_group_store): Correct operand order in call to
4145 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4146 a SUBREG_BYTE of zero.
4148 2006-04-12 Richard Guenther <rguenther@suse.de>
4150 * profile.c (compute_branch_probabilities): Remove code
4151 encapsulated in !ir_type (), which are remanents of the
4152 removed RTL profiling code.
4153 * rtl-profile.c: Remove.
4155 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4157 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4158 magic NULL_RTX comment.
4159 (function_arg): Store entire fp arg to mem if any part should go
4161 (rs6000_arg_partial_bytes): Adjust for above change.
4163 2006-04-11 Roger Sayle <roger@eyesopen.com>
4165 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4166 if it hasn't been initialized by dwarf2out_init.
4168 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4170 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4171 symbolic constants in branch patterns.
4173 2006-04-11 Roger Sayle <roger@eyesopen.com>
4175 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4177 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4179 PR rtl-optimization/27073
4180 * gcse.c (try_replace_reg): Revert last change. Continue to search
4181 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4184 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4186 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4187 aggregate types other than record and union types.
4188 (function_arg): Likewise.
4189 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4191 (function_value): In 64-bit mode, return objects that require it
4194 2006-04-11 Roger Sayle <roger@eyesopen.com>
4196 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4198 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4200 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4202 2006-04-03 Jeff Law <law@redhat.com>
4205 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4206 alias information too.
4208 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4210 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4212 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4215 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4216 (premark_used_types_helper): New.
4217 (premark_used_types): New.
4218 (gen_subprogram_die): Call premark_used_types.
4219 (prune_unused_types_walk): Do not prune perennial dies.
4220 * function.c (used_types_insert): New.
4221 * function.h (struct function): Add used_types_hash field.
4222 (used_types_insert): Add prototype.
4223 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4224 * c-parser.c (c_parser_cast_expression): Save casted types in used
4227 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4230 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4231 rs6000_explicit_options.float_gprs.
4233 2006-04-10 Roger Sayle <roger@eyesopen.com>
4235 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4236 from ix86_expand_vector_init_low_nonzero. Take an additional
4237 one_var argument indicating which element is non-zero. Support
4238 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4239 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4240 with one_var instead of ix86_expand_vector_init_low_nonzero.
4242 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4244 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4245 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4246 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4247 build/genextract.o): Depend on vecprim.h.
4248 * cfglayout.c, df-problems.c, function.c, genextract.c,
4249 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4250 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4254 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4256 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4257 Declare VECs of this type.
4258 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4259 (remove_children): Delete.
4260 (add_dwarf_attr): Use VEC routines.
4261 (add_AT_flag): Update for changes to add_dwarf_attr.
4262 (add_AT_int): Likewise.
4263 (add_AT_unsigned): Likewise.
4264 (add_AT_long_long): Likewise.
4265 (add_AT_vec): Likewise.
4266 (add_AT_string): Likewise.
4267 (add_AT_die_ref): Likewise.
4268 (add_AT_fde_ref): Likewise.
4269 (add_AT_loc): Likewise.
4270 (add_AT_loc_list): Likewise.
4271 (add_AT_addr): Likewise.
4272 (add_AT_lbl_id): Likewise.
4273 (add_AT_lineptr): Likewise.
4274 (add_AT_macptr): Likewise.
4275 (add_AT_offset): Likewise.
4276 (add_AT_range_list): Likewise.
4277 (get_AT): Use VEC_iterate.
4278 (remove_AT): Use VEC_ordered_remove.
4279 (free_die): Fold remove_children into here; have it use VEC_iterate.
4280 (print_die): Use VEC_iterate on attrs.
4281 (reverse_die_lists): Don't reverse attr lists.
4282 (die_checksum): Use VEC_iterate on attrs.
4283 (same_die_p): Likewise.
4284 (output_location_lists): Likewise.
4285 (build_abbrev_table): Likewise.
4286 (size_of_die): Likewise.
4287 (unmark_all_dies): Likewise.
4288 (output_abbrev_section): Likewise.
4289 (output_die): Likewise.
4290 (prune_unused_types_walk_attribs): Likewise.
4292 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4294 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4296 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4299 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4301 2006-04-09 Roger Sayle <roger@eyesopen.com>
4303 * expr.c (store_constructor): Don't bother clearing target if
4304 we're about to assign a vector to it using vec_init_optab.
4306 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4308 * tree-ssa-alias.c (lhs_may_store_to): New function.
4309 (recalculate_used_alone): Handle LHS of calls.
4311 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4315 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4316 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4317 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4318 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4319 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4320 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4321 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4322 stubs. Add ".align 8" directives before all ".dword" directives.
4323 (GTHREAD_USE_WEAK): Revise comment.
4324 (TARGET_ATTRIBUTE_WEAK): Define.
4325 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4326 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4327 * stublib.c: New file.
4332 * pa.md (cbranch patterns): Revise arguments used in calls to
4333 output_cbranch, output_bb and output_bvd. Add long branch length
4335 (fbranch patterns): Handle long branches.
4336 (jump): Revise length check. Revise arguments for output_lbranch call.
4337 Add long branch length attributes.
4338 (decrement_and_branch_until_zero): Add long branch length attributes.
4339 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4340 Likewise. Revise arguments for output_parallel_addb and
4341 output_parallel_movb calls.
4342 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4343 output_parallel_movb and output_parallel_addb): Update prototypes.
4344 * pa.c (output_cbranch): Revise arguments. Correct handling of
4345 nullification in long branches.
4346 (output_lbranch): Add new argument to control extraction of delay
4348 (output_bb): Handle long branches.
4349 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4350 output_parallel_addb): Likewise.
4352 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4354 PR rtl-optimization/27073
4355 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4358 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4360 * tree.h (tree_memory_tag): Add old_used_alone.
4361 (SMT_OLD_USED_ALONE): New macro.
4362 * tree-ssa-alias.c (recalculate_used_alone): Stop
4363 marking things for renaming unnecessarily.
4365 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4367 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4368 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4369 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4370 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4371 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4372 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4373 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4374 spelling convensions.
4375 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4376 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4377 typos. Follow spelling conventions.
4379 2006-04-07 DJ Delorie <dj@redhat.com>
4381 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4382 passed on the stack.
4383 (m32c_init_cumulative_args): When a function returns a structure,
4384 always pass the pointer to that return area on the stack.
4385 (m32c_function_arg_advance): Don't increment the parameter number
4386 if we're processing the returned structure pointer.
4387 (pushm_info): Reverse order of registers.
4389 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4391 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4392 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4393 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4394 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4396 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4397 chrec_fold_multiply): Same.
4398 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4399 force_expr_to_var_cost): Same.
4400 * tree-mudflap.c (mf_xform_derefs_1): Same.
4401 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4403 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4405 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4406 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4409 2006-04-07 Jan Hubicka <jh@suse.cz>
4411 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4413 2006-04-07 Richard Guenther <rguenther@suse.de>
4415 PR tree-optimization/26135
4416 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4417 loads for store copy-prop.
4418 (copy_prop_visit_stmt): Likewise.
4420 2006-04-05 Robert Millan <robertmh@gnu.org>
4422 * config/i386/linux.h: Add a comment to mark macros that are
4423 being overriden in config/k*bsd-gnu.h.
4424 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4426 * config/knetbsd-gnu.h: Ditto.
4428 2006-04-06 Jan Hubicka <jh@suse.cz>
4432 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4435 2006-04-06 Mike Stump <mrs@apple.com>
4437 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4438 for HAVE_nonlocal_goto to be consistent.
4439 (expand_builtin_nonlocal_goto): Likewise.
4440 (expand_builtin_strcmp): Use #ifdef instead of #if
4441 for HAVE_cmpstrnsi to be consistent.
4443 2006-04-05 DJ Delorie <dj@redhat.com>
4445 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4448 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4450 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4451 got-relative addressing for anything but SImode.
4453 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4454 even if the calling function doesn't modify them.
4456 2006-04-05 Richard Guenther <rguenther@suse.de>
4458 PR tree-optimization/26919
4459 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4460 to cgraph_estimate_size_after_inlining.
4462 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4464 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4466 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4468 PR tree-optimization/26996
4469 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4470 VECTOR_TYPE variables.
4472 2006-04-05 Richard Guenther <rguenther@suse.de>
4474 PR tree-optimization/26763
4475 * fold-const.c (fold_comparison): Move folding of
4476 PTR + CST CMP PTR + CST ...
4477 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4479 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4481 * doc/install.texi (Prerequisites): Refine some wording on
4482 bootstrapping and ksh.
4483 Move the version numbers of DejaGnu here from the testing section
4484 and fix casing of names.
4485 Fix markup and clarify wording for autogen requirements.
4486 Refer to GCJ instead of just java.
4487 Refer to SVN instead of CVS.
4488 Describe diffutils as useful instead of necessary.
4489 (Downloading the source): Refer to SVN instead of CVS.
4490 Adjust a link to our web site accordingly.
4491 (Configuration): Fix casing of Bison.
4492 (Building): Refer to SVN instead of CVS.
4493 Fix a sentence on the use of Bison and remove duplicate (and
4494 incorrect) version number of Bison requirement.
4495 Remove one redundant list of packages needed for building.
4496 (Specific): Avoid reference to CVS.
4498 2006-04-04 Eric Christopher <echristo@apple.com>
4500 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4501 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4502 (rs6000_handle_struct_attribute): New.
4503 (rs6000_ms_bitfield_layout_p): Ditto.
4505 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4507 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4508 NULL for dso parameter to atexit_common.
4510 2006-04-04 Eric Christopher <echristo@apple.com>
4512 * config/i386/i386.c (machopic_output_stub): Output \t
4513 between instructions and operands.
4515 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4517 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4518 satisfies_constraint_[IL] to explicit tests on value.
4520 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4522 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4523 set_nb_iterations_in_loop): Use build_int_cst instead of
4525 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4526 build_int_cst instead of convert.
4528 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4530 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4531 new value 2 for incoming.
4532 * function.c (expand_function_start): Call struct_value_rtx
4534 * config/sparc/sparc.md: Comment updated_return.
4535 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4536 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4537 struct return if sparc_std_struct_return and incoming is 2.
4538 (print_operand): Do not adjust return if
4539 sparc_std_struct_return.
4541 2006-04-04 Roger Sayle <roger@eyesopen.com>
4543 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4544 convert in the middle-end.
4545 * expr.c (store_expr, store_constructor, get_inner_reference,
4546 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4548 * tree.c (build_range_type): Likewise.
4550 2006-04-04 Tom Tromey <tromey@redhat.com>
4552 * doc/install.texi (Prerequisites): Mention jar.
4554 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4556 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4559 2006-04-04 Matthias Klose <doko@debian.org>
4561 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4562 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4565 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4567 * doc/extend.texi (Function Attributes): Rewrite visibility
4568 attribute documentation.
4569 * doc/invoke.texi (C++ Dialect Options): Rewrite
4570 -fvisibility-inlines-hidden documentation to describe something
4571 entirely different, although in practise compatible.
4572 (Code Gen Options): Warn about system headers in -fvisibility=
4575 * doc/extend.texi (Other Builtins): Document that
4576 __builtin_nan is a compile-time constant only when its argument
4579 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4581 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4582 trying to remove TRUNCATE check if all bits outside the new mode
4583 are identical to the sign bit.
4585 2006-04-03 Jeff Law <law@redhat.com>
4587 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4588 and operand scanning in some common cases.
4590 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4591 Dale Johannesen <dalej@apple.com>
4594 * regclass.c (struct reg_pref): Update documentation.
4595 (regclass): Set prefclass to NO_REGS if memory is the best option.
4596 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4597 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4598 into account. For non-registers, equate an empty preferred
4599 reload class to a `!' in the constraint; move the if clause to
4600 do so after those that reject the insn.
4601 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4603 (find_dummy_reload): Likewise.
4604 * doc/tm.texi (Register Classes): Document what it means
4605 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4606 * config/i386/i386.c (ix86_preferred_reload_class): Force
4607 using SSE registers (and return NO_REGS for floating-point
4608 constants) if math is done with SSE.
4609 (ix86_preferred_output_reload_class): New.
4610 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4611 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4612 * config/i386/i386.md: Remove # register preferences.
4614 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4617 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4618 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4619 the type of nb_iter.
4620 (instantiate_parameters_1): Convert the operands before calling
4621 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4622 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4624 2006-04-02 Roger Sayle <roger@eyesopen.com>
4626 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4627 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4629 * dojump.c (do_jump): Likewise.
4630 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4631 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4632 gimplify_boolean_expr): Likewise.
4633 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4634 * varasm.c (array_size_for_constructor): Likewise.
4635 * tree-object-size.c (compute_object_offset): Likewise.
4637 2006-04-02 Roger Sayle <roger@eyesopen.com>
4640 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4641 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4643 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4645 PR tree-optimization/26939
4646 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4648 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4650 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4651 at_stmt. Convert the type of operands before calling
4652 build_polynomial_chrec.
4653 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4655 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4656 (instantiate_parameters_1): Convert the type of operands before calling
4657 build_polynomial_chrec.
4658 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4659 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4660 reset_evolution_in_loop): Insert asserts to check the types of the
4662 (chrec_type): Moved...
4663 (eq_evolutions_p): Use operand_equal_p.
4664 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4665 the types of the operands.
4666 (chrec_type): ...here.
4667 * tree-data-ref.c (create_data_ref): Convert the operands before
4668 calling chrec_replace_initial_condition.
4669 (same_access_functions, analyze_subscript_affine_affine,
4670 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4671 (compute_subscript_distance, analyze_ziv_subscript,
4672 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4673 analyze_miv_subscript): Convert the operands before calling
4674 chrec_fold_minus or chrec_fold_plus.
4676 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4678 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4679 the dependence_relations vector.
4680 (compute_data_dependences_for_loop): Adjust call to
4681 compute_all_dependences.
4683 2006-04-01 Roger Sayle <roger@eyesopen.com>
4684 Richard Henderson <rth@redhat.com>
4686 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4687 gimple_boolify on the condition before calling gimplify_expr.
4689 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4691 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4692 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4693 the frame size. Update to use the new macros.
4694 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4695 * config/xtensa/ieee754-df.S: Likewise.
4697 2006-03-31 Richard Henderson <rth@redhat.com>
4699 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4700 (make_edges): ... here. Control fallthru creation with a local
4701 variable. Do not play with fake edges.
4702 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4703 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4706 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4708 * dwarf2.h (DW64_CIE_ID): Define.
4709 * dwarf2out.c (DWARF_CIE_ID): Define.
4710 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4711 length header. Use DWARF_CIE_ID.
4712 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4713 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4715 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4717 * config/sh/linux-atomic.asm: New file.
4718 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4720 2006-03-31 DJ Delorie <dj@redhat.com>
4722 * config/m32c/cond.md: Set condition flags properly throughout.
4723 * config/m32c/minmax.md: Likewise.
4724 * config/m32c/prologue.md: Likewise.
4725 * config/m32c/bitops.md: Likewise.
4726 * config/m32c/muldiv.md: Likewise.
4727 * config/m32c/mov.md: Likewise.
4728 * config/m32c/addsub.md: Likewise.
4729 * config/m32c/m32c.md: Likewise.
4730 * config/m32c/jump.md: Likewise.
4731 * config/m32c/shift.md: Likewise.
4733 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4734 conditionally output the pattern for this.
4735 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4736 (m32c_compare_redundant): New.
4737 (m32c_output_compare): New.
4738 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4740 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4741 dest, not src. Allow other 4-byte modes.
4743 2006-03-30 Denis Chertykov <denisc@overta.ru>
4745 * doc/md.texi: Refer to avr/constraints.md instead of
4748 2006-03-30 Roger Sayle <roger@eyesopen.com>
4750 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4751 signed vs. unsigned comparison failures on some hosts.
4753 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4756 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4757 change to FLOAT_REGS.
4759 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4760 (rs6000_override_options): Use it.
4761 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4762 only for -mabi=spe/no-spe and -mabi=altivec.
4764 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4766 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4769 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4771 * Makefile.in: Rename docdir to gcc_docdir.
4773 2006-03-30 Roger Sayle <roger@eyesopen.com>
4776 * expr.c (emit_group_store): Optimize group stores into a pseudo
4777 register by using a paradoxical subreg to initialize the destination
4778 if the first or last member of the group specifies a "low part".
4780 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4783 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4784 * target.h (struct gcc_target.speculate_insn): Change type of the
4785 second parameter to 'int'.
4786 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4787 the second operand of the DEPS_LIST.
4788 (copy_DEPS_LIST_list): Update reference to the second operand of the
4790 * rtl.h (alloc_DEPS_LIST): Update signature.
4791 * sched-int.h (ds_t): Change typedef to 'int'.
4792 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4794 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4796 * haifa-sched.c (try_ready): Change condition to restore
4797 non-speculative pattern of the instruction.
4798 (process_insn_depend_be_in_spec): Code to keep probability of the
4799 speculative dependence non-decreasing.
4801 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4803 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4804 (single_move_for_movmem): ... this. Also change all uses.
4805 (bfin_expand_strmov): Renamed to...
4806 (bfin_expand_movmem): ... this. Also change all uses.
4807 * config/bfin/bfin.md (movstrsi): Renamed to...
4808 (movstrsi): ...this.
4810 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4812 PR tree-optimization/26830
4814 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4815 (copy_prop_visit_stmt): Remove write-only variable ann.
4816 (init_copy_prop): Check variable loop depth here. Do not simulate
4817 memory-tag and virtual operand PHIs except for store copy prop.
4819 2006-03-30 Richard Guenther <rguenther@suse.de>
4821 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4822 variants with double arguments.
4824 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4826 * genpreds.c (write_tm_constrs_h): Delete variable p.
4827 * genconditions.c (write_header): Add tm-constrs.h to included
4829 * genpeep.c (main): Add toplev.h to included headers.
4830 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4831 (build/genpeep.o): Add toplev.h dependency.
4832 * config/rs6000/constraints.md: Add "W" constraint.
4834 2006-03-29 Roger Sayle <roger@eyesopen.com>
4836 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4837 sizes by correctly testing whether the size fits a host integer.
4838 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4839 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4840 SImode range for the default sizetype and bitsizetype.
4842 2006-03-29 Roger Sayle <roger@eyesopen.com>
4844 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4845 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4846 quickly if the argument is already of the correct type.
4847 Call fold_build1 instead of build1. Tidy up blank lines.
4849 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4851 * genemit.c (main): Add tm-constrs.h to included headers.
4852 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4853 * genpeep.c (main): Add tm-constrs.h to included headers.
4854 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4855 (write_tm_constrs_h): this and write complete file.
4856 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4857 (write_insn_preds_c): Add tm-constrs.h to included headers.
4858 (gen_constrs): New variable.
4859 (parse_option): Parse "-c".
4860 (main): Invoke write_tm_constrs_h.
4861 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4862 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4863 (object_out_file): Add tm-constrs.h dependency.
4864 (insn-emit.o): Same.
4865 (insn-output.o): Same.
4866 (insn-peep.o): Same.
4867 (insn-preds.o): Same.
4868 (insn-recog.o): Same.
4869 (tm-constsr.h): New target.
4870 (s-constrs-h): New target.
4872 * config/rs6000/constraints.md: New file.
4873 * config/rs6000/rs6000.c: Include tm-constrs.h.
4874 (num_insn_constant_wide): Convert to satisfies_constraint.
4875 (rs6000_rtx_costs): Convert to satisfies_constraint.
4876 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4877 (CONST_OK_FOR_LETTER_P): Delete.
4878 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4879 (EXTRA_CONSTRAINT): Delete.
4880 (EXTRA_MEMORY_CONSTRAINT): Delete.
4881 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4882 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4883 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4884 satisfies_constraint.
4886 * config/i386/i386.c: Include tm-constrs.h.
4888 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4890 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4891 * tree-data-ref.c (find_data_references_in_loop,
4892 compute_data_dependences_for_loop): Use pointers to VEC.
4893 (analyze_all_data_dependences): Adjust calls.
4894 * tree-data-ref.h (find_data_references_in_loop,
4895 compute_data_dependences_for_loop): Adjust declarations.
4896 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4897 compute_data_dependences_for_loop.
4899 2006-03-29 Paul Brook <paul@codesourcery.com>
4901 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4904 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4906 PR tree-optimization/26859
4907 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4909 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4910 for the step after fold_convert.
4912 2006-03-29 Paul Brook <paul@codesourcery.com>
4914 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4915 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4917 2006-03-29 Paul Brook <paul@codesourcery.com>
4920 * targhooks.c (default_narrow_bitfield): New fuction.
4921 * targhooks.h (default_narrow_bitfield): add prototype.
4922 * target.h (gcc_target): Add narrow_volatile_bitfield.
4923 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4924 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4925 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4926 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4928 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4930 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4932 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4933 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4934 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4935 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4936 (s390_function_arg_float): Allow SDmode and DDmode values to be
4937 passed in floating point registers.
4938 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4939 check with SCALAR_FLOAT_MODE_P.
4940 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4942 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4944 PR tree-optimization/25985
4945 * tree-ssa-loop-niter.c (number_of_iterations_le,
4946 number_of_iterations_ne): Make comments more precise.
4947 (number_of_iterations_cond): Add only_exit argument. Use the
4948 fact that signed variables do not overflow only when only_exit
4950 (loop_only_exit_p): New.
4951 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4952 number_of_iterations_cond.
4954 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4956 PR tree-optimization/26643
4957 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4960 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4962 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4963 (divsi3_i4_int): Likewise.
4965 2006-03-28 Roger Sayle <roger@eyesopen.com>
4967 * expr.c (emit_group_store): Only create a new pseudo reg if the
4968 quantity it needs to hold isn't already a suitable pseudo.
4970 2006-03-28 Jeff Law <law@redhat.com>
4972 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4973 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4975 2006-03-28 Roger Sayle <roger@eyesopen.com>
4977 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4978 the equivalent ~X & Y, and the symmetry related transformations.
4979 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4980 ~X & Y, and symmetry related transforms.
4982 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4984 Revert my 2006-03-27 patches.
4986 2006-03-28 Roger Sayle <roger@eyesopen.com>
4988 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4989 ~(T1)X, when T1 and T2 are integer types of the same precision
4990 and (T2)X isn't an extension.
4992 2006-03-28 Jeff Law <law@redhat.com>
4994 PR tree-optimization/26796
4995 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4996 need EH edge cleanups rather than purging them immediately.
4997 (eliminate_degenerate_phis): Handle queued EH cleanups.
4999 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5001 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5004 2006-03-27 Roger Sayle <roger@eyesopen.com>
5007 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5008 cast BIT_NOT_EXPR operand to the correct type.
5010 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5012 * tree-loop-linear.c: Don't include varray.h.
5013 (gather_interchange_stats, try_interchange_loops,
5014 linear_transform_loops): Use VEC instead of VARRAY.
5015 * lambda-mat.c: Don't include varray.h.
5016 * tree-chrec.c: Same.
5017 * lambda-trans.c: Same.
5018 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5019 VEC instead of VARRAY.
5020 * tree-vectorizer.h: Idem.
5021 * tree-data-ref.c (dump_data_references,
5022 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5023 initialize_data_dependence_relation, finalize_ddr_dependent,
5024 compute_all_dependences, find_data_references_in_loop,
5025 compute_data_dependences_for_loop, analyze_all_data_dependences,
5026 free_dependence_relation, free_dependence_relations,
5027 free_data_refs): Idem.
5028 * tree-data-ref.h (data_reference_p, subscript_p): New.
5029 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5030 VEC instead of VARRAY.
5031 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5032 (find_data_references_in_loop, compute_data_dependences_for_loop,
5033 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5034 dump_data_dependence_relations, free_dependence_relations,
5035 free_data_refs): Adjust declaration.
5036 (lambda_transform_legal_p): Move declaration here...
5037 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5038 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5039 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5040 vect_analyze_data_refs): Use VEC instead of VARRAY.
5041 * lambda.h (lambda_transform_legal_p): ...from here.
5042 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5043 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5044 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5045 tree-chrec.o): Don't depend on VARRAY_H.
5047 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5049 * rtl.def (Copyright): Update date.
5050 (DEPS_LIST): Change type of the second operand to 'int'.
5051 * target.h (Copyright): Update date.
5052 (struct gcc_target.speculate_insn): Change type of the second parameter
5054 * lists.c (Copyright): Update date.
5055 (alloc_DEPS_LIST): Change signature. Update reference to the second
5056 operand of the DEPS_LIST.
5057 (copy_DEPS_LIST_list): Update reference to the second operand of the
5059 * rtl.h (Copyright): Update date.
5060 (alloc_DEPS_LIST): Update signature.
5061 * sched-int.h (Copyright): Update date.
5062 (ds_t): Change typedef to 'int'.
5063 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5065 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5067 * haifa-sched.c (Copyright): Update date.
5068 (try_ready): Change condition to restore non-speculative pattern
5070 (process_insn_depend_be_in_spec): Code to keep probability of the
5071 speculative dependence non-decreasing.
5073 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5075 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5076 shut up the compiler.
5078 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5080 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5081 to use lib prefix for target.
5082 ($(T)libic_invalidate_array_4-200.a): Likewise.
5083 ($(T)libic_invalidate_array_4a.a): Likewise.
5085 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5086 J"orn Rennecke <joern.rennecke@st.com>
5088 * superh.opt: New file.
5089 * sh.c (boardtype, osruntime): Remove.
5090 * superh.h (SUBTARGET_OPTIONS): Remove.
5091 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5093 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5094 arguments with ^ and/or [].
5096 * config.gcc (sh-*-*): Add quoting to account for quirk of
5098 Replace == with = in enable_incomplete_targets test.
5100 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5101 with MASK_LITTLE_ENDIAN.
5103 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5104 * config/sh/sh.opt: Added to some comments.
5105 * config/sh/superh.h: Removed some chaff.
5107 * config/sh/sh.opt: Add m4-[1234]00* options.
5108 * config/sh/sh.c (sh_handle_option): Likewise.
5109 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5110 (ic_invalidate_array_4-100.o): New rule.
5111 ($(T)libic_invalidate_array_4-100.a): Likewise.
5112 (ic_invalidate_array_4-200.o): Likewise.
5113 ($(T)libic_invalidate_array_4-200.a): Likewise.
5114 (ic_invalidate_array_4a.o): Likewise.
5115 ($(T)libic_invalidate_array_4a.a): Likewise.
5116 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5117 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5119 * config/sh/crt1.asm: Merged in profiling code.
5120 * config/sh/superh.h (STARTFILE_SPEC): Override.
5121 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5122 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5123 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5125 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5126 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5127 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5129 * sh.opt (mpretend-cmove): New option.
5130 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5131 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5132 (movsicc): Add TARGET_PRETEND_CMOVE code.
5134 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5136 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5137 s390_class_max_nregs): New function prototypes.
5138 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5139 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5140 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5141 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5143 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5145 * dwarf2out.c (add_location_or_const_value_attribute): Call
5146 tree_add_const_value_attribute if nothing else works.
5147 (reference_to_unused): New.
5148 (rtl_for_decl_init): Use reference_to_unused to decide whether
5149 to output an initializer.
5151 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5154 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5155 peephole removing spe frob_di_df_2.
5157 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5159 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5160 (subscript_dependence_tester_1): Declared.
5161 (print_dir_vectors, print_dist_vectors): New.
5162 (debug_data_dependence_relation): New.
5163 (dump_data_dependence_relation): Print more details.
5164 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5165 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5166 (save_dist_v, save_dir_v, add_outer_distances,
5167 build_classic_dist_vector_1): New.
5168 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5169 Don't test for lambda_vector_lexico_pos.
5170 (same_access_functions, add_multivariate_self_dist,
5171 add_other_self_distances, dir_from_dist): New.
5172 (build_classic_dir_vector): Replace implementation almost identical to
5173 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5175 (subscript_dependence_tester_1): New.
5176 (subscript_dependence_tester): Handle the lexicographically negative
5177 distance vectors by recomputing the dependence relation.
5178 (compute_affine_dependence): Remove parameter loop_nest_depth.
5179 (compute_self_dependence): Don't call compute_subscript_distance.
5180 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5181 Add a parameter for the loop_nest.
5182 (find_loop_nest_1, find_loop_nest): New.
5183 (compute_data_dependences_for_loop): Compute the loop nest, and give
5184 up if the nest is not well formed.
5185 * tree-data-ref.h (loop_p): New.
5186 (struct data_dependence_relation): Replace size_vect field with
5187 loop_nest, a vec of loops.
5188 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5189 (DDR_LOOP_NEST): New.
5190 (print_dir_vectors, print_dist_vectors,
5191 debug_data_dependence_relation): Declared.
5192 (index_in_loop_nest): New.
5193 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5194 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5197 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5199 * simplify-rtx.c (simplify_relational_operation): Call
5200 simplify_relational_operation_1 even if mode is VOIDmode.
5202 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5204 PR tree-optimization/26804
5205 * tree.h (DECL_CALL_CLOBBERED): New macro.
5206 (tree_decl_common): Add call_clobbered_flag.
5207 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5208 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5209 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5210 (mark_non_addressable): Ditto.
5211 * tree-ssa.c (verify_call_clobbered): New function.
5212 (verify_alias_info): Use it.
5213 * tree-pass.h (pass_reset_cc_flags): New prototype.
5214 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5215 (reset_cc_flags): New function.
5216 * passes.c (init_optimization_passes): Call reset_cc_flags after
5217 initializing referenced_vars.
5219 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5220 Roger Sayle <roger@eyesopen.com>
5223 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5224 to 1.0 for non-real operands. Implement A / A optimization for
5227 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5229 * config/i386/i386.c (size_cost): Correct the comment for
5230 cost of storing fp registers.
5231 (i386_cost): Likewise.
5232 (i486_cost): Likewise.
5233 (pentium_cost): Likewise.
5234 (pentiumpro_cost): Likewise.
5235 (k6_cost): Likewise.
5236 (athlon_cost): Likewise.
5237 (k8_cost): Likewise.
5238 (pentium4_cost): Likewise.
5239 (nocona_cost): Likewise.
5240 (generic64_cost): Likewise.
5241 (generic32_cost): Likewise.
5243 2006-03-24 Denis Chertykov <denisc@overta.ru>
5245 * config/avr/avr-protos.h (extra_constraint): Delete.
5246 (extra_constraint_Q): New declaration.
5247 * config/avr/constraints.md: New file.
5248 * config/avr/avr.md: Include it.
5249 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5250 (TMP_REGNO, ZERO_REGNO): Likewise.
5251 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5252 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5253 (extra_constraint): Delete.
5254 (extra_constraint_Q): Test for memory constraint 'Q'.
5255 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5256 (REG_CLASS_FROM_LETTER): Delete.
5257 (CONST_OK_FOR_LETTER_P): Delete.
5258 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5259 (EXTRA_CONSTRAINT): Delete.
5260 (TMP_REGNO): Delete.
5261 (ZERO_REGNO): Delete.
5263 2006-03-24 Jeff Law <law@redhat.com>
5265 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5266 directly. Call mark_new_vars_to_rename slightly earlier.
5268 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5270 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5272 (gen_compile_unit_die): Use new language types for Objective-C and
5274 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5275 DW_LANG_C_plus_plus.
5278 * config/t-darwin (crt3.o): Work around bug 26840.
5279 * config/darwin-crt3.c: Rewrite.
5280 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5282 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5284 * doc/invoke.texi: Document -femit-class-debug-always
5285 * common.opt: Add -femit-class-debug-always.
5287 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5289 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5290 index and base register.
5291 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5292 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5293 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5294 REGNO_OK_FOR_INDEX_P.
5295 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5297 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5298 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5299 REG_OK_FOR_BASE_P): Definitions removed.
5301 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5304 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5305 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5306 set yet or weren't marked as local yet.
5308 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5310 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5313 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5315 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5316 (rs6000_legitimate_small_data_p): Delete.
5317 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5318 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5319 and make static. Add forward declaration. Update uses.
5320 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5321 of offsettable_memref_p.
5322 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5323 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5325 2006-03-24 Jeff Law <law@redhat.com>
5327 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5328 around bug in immediate-use iterator.
5330 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5333 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5334 or __LITTLE_ENDIAN__.
5336 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5338 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5339 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5340 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5341 * config/sh/sh.opt (mdiv=): Amend description.
5342 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5343 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5344 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5345 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5346 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5347 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5348 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5349 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5350 TARGET_DIVIDE_CALL_FP.
5352 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5354 * haifa-sched.c (choose_ready): Fix type of the local variable.
5355 Move local variables. Add comment.
5356 (check_reg_live): Change signature. Make callable from debugger.
5357 * sched-int.h (check_reg_live): Update signature.
5358 * sched-ebb.c (check_reg_live): Update parameters.
5359 * sched-rgn.c (check_reg_live): Ditto.
5360 (region_head_or_leaf_p): Check pointer before dereferencing.
5361 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5362 before reload on optimization levels below 1.
5364 2006-03-23 Richard Henderson <rth@redhat.com>
5366 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5370 * config/alpha/predicates.md (local_symbolic_operand): Reject
5373 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5376 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5377 expressions which have overflowed constants.
5379 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5381 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5383 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5385 * cfgloopmanip.c (create_loop_notes): Removed.
5386 * final.c (final_scan_insn): Do not handle loop notes.
5387 * jump.c (squeeze_notes): Ditto.
5388 * cfglayout.c (skip_insns_after_block,
5389 duplicate_insn_chain): Ditto.
5390 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5392 * cfgloop.h (create_loop_notes): Declaration removed.
5394 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5396 * varasm.c (output_constant_pool): Restore fnname and fndecl
5398 (assemble_start_function): Adjust call accordingly.
5399 (assemble_end_function): Likewise.
5401 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5404 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5407 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5409 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5412 * system.h (ICE_EXIT_CODE): New macro.
5413 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5414 (diagnostic_action_after_output): Likewise.
5415 * gcc.c (fatal_ice): New function.
5416 (execute): Use it instead of fatal.
5417 (fancy_abort): Likewise.
5418 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5420 2006-03-22 Jeff Law <law@redhat.com>
5422 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5423 iv_analyze_result returning false.
5425 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5427 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5429 2006-03-22 Richard Henderson <rth@redhat.com>
5432 * except.c (duplicate_eh_regions_0): New.
5433 (duplicate_eh_region_1): Duplicate the children of the node as
5434 well as the node itself. Link them up properly.
5435 (duplicate_eh_region_2): Merge into ...
5436 (duplicate_eh_regions): ... here. Take copy_region argument, and
5437 copy only a sub-tree if asked. Simplify copying and fixup.
5438 (eh_region_outer_p): New.
5439 * except.h (duplicate_eh_regions): Update decl.
5440 (eh_region_outer_p): Declare.
5441 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5442 (lower_omp_master): Likewise.
5443 (lower_omp_ordered): Likewise.
5444 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5445 (move_stmt_r): Use it to remap labels. Handle recursion vs
5446 remap_decls_p properly.
5447 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5448 (find_outermost_region_in_block): New.
5449 (new_label_mapper): New.
5450 (move_sese_region_to_fn): Copy eh information to the new function
5452 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5454 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5457 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5459 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5460 into shared libraries.
5462 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5464 * doc/md.texi: Refer to i386/constraints.md instead of
5466 * config/i386/constraints.md: New file, extracted from...
5467 * config/i386/predicates.md: ...here.
5468 * config/i386/i386.md: Include constraints.md.
5470 2006-03-21 Jason Merrill <jason@redhat.com>
5472 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5475 * expr.c (init_block_move_fn): Force default visibility.
5476 (init_block_clear_fn): Likewise.
5477 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5478 * targhooks.c (default_external_stack_protect_fail): Likewise.
5480 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5482 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5483 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5484 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5485 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5486 (loadgp): Use mips_current_loadgp_style.
5487 (loadgp_noshared): New pattern.
5488 (sibcall_internal): Use MIPS_CALL.
5489 (sibcall_value_internal): Likewise.
5490 (sibcall_value_multiple_internal): Likewise.
5491 (call_internal): Likewise.
5492 (call_value_internal): Likewise.
5493 (call_value_multiple_internal): Likewise.
5494 (call_split): Use MIPS_CALL and add an 'S' constraint.
5495 (call_value_split): Likewise.
5496 (call_value_multiple_split): Likewise.
5497 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5498 (-mshared): New option.
5499 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5500 (mips_current_loadgp_style): Declare.
5501 * config/mips/mips.c (mips_classify_symbol): Avoid using
5502 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5503 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5504 TARGET_ABSOLUTE_ABICALLS.
5505 (override_options): Adjust comments. Improve the warning that is
5506 issued when -mabicalls and -G are used together.
5507 (mips_file_start): Remove comment.
5508 (mips_current_loadgp_style): New function.
5509 (mips_gnu_local_gp): New variable.
5510 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5512 (mips_output_function_prologue): Use mips_current_laodgp_style.
5513 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5514 the cprestore instruction.
5515 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5516 live for TARGET_ABSOLUTE_ABICALLS.
5517 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5518 (ASM_SPEC): Pass down -mshared and -mno-shared.
5519 (MIPS_CALL): New macro.
5520 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5522 * doc/invoke.texi (-mabicalls): Update documentation.
5523 (-mshared): Document.
5525 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5527 * config/ia64/unwind-hpux.c: New file.
5528 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5530 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5533 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5535 2006-03-21 Jeff Law <law@redhat.com>
5537 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5538 type conversions of a VR_VARYING source to a wider type.
5540 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5542 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5543 tm_file on Solaris 10 and later.
5544 (sparc64-*-solaris2*): Likewise.
5545 (sparc-*-solaris2*): Likewise.
5546 * config/sol26.h: Rename to config/sol2-6.h.
5547 * config/sol2-10.h: New file.
5549 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5552 * tree-ssa-pre.c (create_component_ref_by_pieces):
5555 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5558 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5559 return it immediately.
5561 2006-03-21 Michael Matz <matz@suse.de>
5563 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5565 (remove_arc, add_arc): Update num_out_arcs member.
5566 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5568 (cache_presence): New function.
5569 (compare_states_for_equiv): New function.
5570 (state_is_differed): Don't take number of outargs, adjust callers.
5571 Use new invariant for speeding up.
5572 (init_equiv_class): Create initial classes based on sorted
5574 (partition_equiv_class): Don't track out_arcs_num.
5575 (evaluate_equiv_classes): Call cache_presence on all states and
5578 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5580 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5581 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5582 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5583 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5585 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5586 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5587 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5588 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5589 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5591 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5592 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5593 (REGNO_REG_CLASS): ARGP is in PREGS.
5594 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5596 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5597 to deal with those addresses.
5598 * addresses.h: New file.
5599 * caller-save.c: Include "addresses.h".
5600 (init_caller_save): Use new base_reg_class function.
5601 * rtl-factoring.c: Include "addresses.h".
5602 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5603 * recog.c: Include "addresses.h".
5604 (preprocess_constraints): Use new base_reg_class function.
5605 * regrename.c: Include "addresses.h".
5606 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5607 functions. Keep track of a new var INDEX_CODE to compute valid
5609 (replace_oldest_value_addr): Likewise.
5610 (replace_oldest_value_mem): Use base_reg_class.
5611 * reload.c: Include "addresses.h".
5612 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5613 (find_reloads): Use new base_reg_class function.
5614 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5615 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5616 all callers and prototype changed.
5617 * reload1.c: Include "addresses.h".
5618 (maybe_fix_stack_asms): Use base_reg_class.
5619 * regclass.c: Include "addresses.h".
5620 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5621 (init_reg_autoinc): Use new base_reg_class function.
5622 (record_reg_classes): Likewise.
5623 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5624 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5625 Use new args to compute necessary class.
5627 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5628 regrename.o, rtl-factoring.o): Update dependencies.
5629 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5630 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5631 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5632 REG_OK_FOR_INDEX_P): Delete documentation.
5634 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5636 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5637 from V7 to V9 for Solaris 7 and above.
5639 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5641 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5642 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5643 argument pointers may not alias any other storage.
5644 * common.opt: Define option -fargument-noalias-anything.
5645 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5646 alias semantics is specified by flag_argument_noalias > 2.
5648 2006-03-20 Jeff Law <law@redhat.com>
5650 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5651 (pass_phi_only_cprop): Declare.
5652 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5654 * tree-ssa-dom.c (degenerate_phi_result): New function.
5655 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5656 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5657 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5658 (eliminate_degenerate_phis): Likewise.
5659 (pass_phi_only_cprop): New pass descriptor.
5660 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5661 support code. Callers updated.
5662 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5663 (store_copy_prop): Likewise.
5664 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5666 2006-03-20 Jason Merrill <jason@redhat.com>
5669 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5670 (push_visibility, pop_visibility): Likewise.
5671 * c-pragma.h: Declare them.
5673 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5675 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5677 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5678 parameter and use get_ebb_head_tail.
5679 (sh_md_init_global): Adjust uses of find_regmode_weight.
5681 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5683 * function.h (struct function) <x_tail_recursion_reentry>:
5684 Rename to x_stack_check_probe_note.
5685 (tail_recursion_reentry): Rename to stack_check_probe_note.
5686 * function.c: Replace tail_recursion_reentry with
5687 stack_check_probe_note everywhere.
5688 (expand_function_start): Only emit a note for
5689 stack_check_probe_note with -fstack-protect.
5690 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5692 * emit-rtl.c (remove_unnecessary_notes): Remove.
5693 (pass_remove_unnecessary_notes): Remove.
5694 * rtl.h (remove_unnecessary_notes): Remove prototype.
5695 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5696 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5697 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5699 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5702 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5703 (valid_in_set): Handle ARRAY_REF.
5704 Change "if min_variant or VH" to asserts.
5705 (create_component_ref_by_pieces): Handle ARRAY_REF.
5706 (create_expression_by_pieces): Likewise.
5707 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5709 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5711 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5712 is operand of switch, not str[0].
5714 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5716 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5717 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5719 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5721 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5722 end of insn_extra_address_constraint declaration.
5724 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5726 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5727 (no-sum-in-toc): Same.
5728 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5730 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5731 NO_FP_IN_TOC for -fPIC instead of mask.
5733 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5734 (BOOT_LDFLAGS): Delete.
5736 * config/rs6000/t-aix52: Same.
5738 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5739 (stmsi[345678]_power): New.
5741 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5743 * config/ia64/ia64.opt: Add empty line to end of file.
5745 2006-03-17 Richard Guenther <rguenther@suse.de>
5748 * builtins.c (get_pointer_alignment): For component style references
5749 adjust alignment to the component type alignment. Make sure
5750 to adjust alignment for component access of constants.
5752 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5754 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5757 2006-03-17 Paul Brook <paul@codesourcery.com>
5759 * doc/install.texi: Docuemnt --with-mode.
5760 * config.gcc: Add --with-mode for arm*-*-*.
5761 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5763 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5765 * sh.c (max_labelno_before_reorg): New variable.
5766 (sh_reorg): Initialize it.
5767 (find_barrier): Check max_labelno_before_reorg before using
5768 label_to_alignment. Take length of explicit alignment insns
5769 into account. When seeing a UNSPECV_CONST_END, return it.
5771 * sh.c (fixup_mova): Set mode of affected label to QImode.
5772 (untangle_mova): New function.
5773 (find_barrier): Use it. Check mode of label before decrementing
5775 (sh_reorg): Likewise.
5776 Set mode of all insns back to VOIDmode.
5778 * sh.c (MOVA_LABELREF): New macro.
5779 (mova_p, fixup_mova, sh_reorg): Use it.
5780 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5781 ADDR_DIFF_VEC matches mova.
5783 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5785 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5786 with ATTRIBUTE_UNUSED.
5788 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5790 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5791 pointer, instead of assuming it is possible to derive the
5792 correct args size from a call insn.
5794 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5796 * rtl.h (CONST_INT_P): Define.
5797 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5798 instead of GET_CODE(x) == CONST_INT.
5799 (vax_rtx_costs): Likewise.
5800 (vax_output_int_move): Likewise.
5801 (vax_output_int_add): Likewise.
5802 (legitimate_constant_address_p): Likewise.
5803 (index_term_p): Likewise.
5804 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5805 * config/vax/vax.md (and<mode>3): Likewise.
5806 (ashrsi3): Likewise.
5808 (movstricthi): Likewise.
5809 (movstrictqi): Likewise.
5810 (rotrsi3): Likewise.
5811 (five unnamed insns): Likewise.
5813 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5815 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5816 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5817 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5818 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5819 Pass to ASM_OUTPUT_DWARF_OFFSET.
5820 * dwarf2out.c (debug_frame_section): New.
5821 (output_call_frame_info): Use debug_frame_section. Pass it to
5822 dw2_asm_output_offset.
5823 (output_die): Pass appropriate section to dw2_asm_output_offset.
5824 (output_compilation_unit_header): Likewise.
5825 (output_pubnames): Likewise.
5826 (output_aranges): Likewise.
5827 (enum dw_val_class): Break dw_val_class_lbl_offset into
5828 dw_val_class_lineptr and dw_val_class_macptr.
5829 (add_AT_lbl_offset): Delete.
5830 (add_AT_lineptr): New.
5831 (add_AT_macptr): New.
5832 (AT_lbl): Expect a lineptr or macptr.
5833 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5834 (attr_checksum): Likewise.
5835 (same_dw_val_p): Likewise.
5836 (size_of_die): Likewise.
5837 (value_format): Likewise.
5838 (output_die): Likewise.
5839 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5841 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5842 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5843 * config/darwin-protos.h (darwin_file_start): New.
5844 (darwin_asm_output_dwarf_offset): New.
5845 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5846 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5848 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5849 if not EH section; simplify.
5850 (darwin_file_start): New.
5851 (darwin_asm_output_dwarf_offset): New.
5852 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5854 (DEBUG_INFO_SECTION): Likewise.
5855 (DEBUG_ABBREV_SECTION): Likewise.
5856 (DEBUG_ARANGES_SECTION): Likewise.
5857 (DEBUG_MACINFO_SECTION): Likewise.
5858 (DEBUG_LINE_SECTION): Likewise.
5859 (DEBUG_LOC_SECTION): Likewise.
5860 (DEBUG_PUBNAMES_SECTION): Likewise.
5861 (DEBUG_STR_SECTION): Likewise.
5862 (DEBUG_RANGES_SECTION): Likewise.
5863 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5864 (ASM_OUTPUT_DWARF_OFFSET): New.
5866 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5868 * config.gcc (tm_defines): Always add to previous value rather
5871 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5873 * config/mips/predicates.md (splittable_const_int_operand): New,
5874 split from move_operand.
5875 (splittable_symbolic_operand): New.
5876 (move_operand): Add commentary. Use splittable_const_int_operand.
5877 Inline mips_atomic_symbolic_constant_p.
5878 * config/mips/mips.md: Add combine splitters for handling moves
5879 of splittable_const_int_operands and splittable_symbolic_operands.
5880 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5881 (mips_split_symbol): Declare.
5882 (mips_move_integer): Declare.
5883 * config/mips/mips.c (mips_split_p): Make global.
5884 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5885 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5886 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5887 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5888 (mips_offset_within_object_p): Handle block symbols.
5889 (mips_atomic_symbolic_constant_p): Delete.
5890 (mips_cannot_force_const_mem): Return false for constants that
5891 mips_legitimize_move can handle.
5892 (mips_use_blocks_for_constant_p): New function.
5893 (mips_split_symbol): Make global.
5894 (mips_move_integer): Likewise. Add a temporary register argument.
5895 (mips_legitimize_const_move): Use splittable_const_int_operand and
5896 splittable_symbolic_operand.
5897 (mips_use_anchors_for_symbol_p): New function.
5898 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5899 (mips_split_p): Declare.
5901 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5903 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5904 (mips*-*-linux*): Likewise.
5906 2006-03-16 Roger Sayle <roger@eyesopen.com>
5907 Daniel Speyer <dspeyer@wam.umd.edu>
5910 * tree-dump.c (dump_real): New function.
5911 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5912 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5913 (tree-dump.o): Add $(REAL_H) to the dependencies.
5915 2006-03-16 Roger Sayle <roger@eyesopen.com>
5918 * real.c (real_from_string): If the mantissa is zero, don't bother
5919 parsing the exponent as the result should always be zero.
5921 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5923 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5925 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5927 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5928 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5929 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5930 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5931 ia64_sched_finish_global): New static functions to implement
5932 hooks from gcc_target.sched.
5933 (spec_check_no, max_uid, pending_data_specs): New static variables.
5934 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5935 ia64_spec_check_src_p): New static functions.
5936 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5937 (TARGET_SCHED_ADJUST_COST): Removed.
5938 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5939 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5940 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5941 TARGET_SCHED_GEN_CHECK,
5942 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5943 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5944 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5945 Fixed to handle speculation checks.
5946 (rtx_needs_barrier): Fixed to handle speculative loads and
5948 (ia64_variable_issue): Added code to count speculative loads and their
5950 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5952 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5954 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5956 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5957 (ia64_reorg): Reset stops_p to NULL after it is freed.
5958 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5959 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5960 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5962 (data_speculative, control_speculative, check_load): New attributes.
5963 (mov<mode>_advanced, mov<mode>_speculative,
5964 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5965 zero_extend<mode>di2_speculative,
5966 zero_extend<mode>di2_speculative_advanced): New patterns for
5967 data and control speculative loads.
5968 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5970 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5971 New pattern for data and control speculation checks.
5972 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5973 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5974 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5975 Auxiliary definitions for the patterns.
5976 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5977 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5979 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5981 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5982 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5983 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5984 New resource constraints.
5985 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5987 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5988 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5989 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5990 msched-in-control-spec, msched-ldc, msched-control-ldc,
5991 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5992 msched-prefer-non-control-spec-insns,
5993 msched-count-spec-in-critical-path): New flags to tune speculative
5995 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5996 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5997 msched-in-control-spec, msched-ldc, msched-control-ldc,
5998 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5999 msched-prefer-non-control-spec-insns,
6000 msched-count-spec-in-critical-path): Document new flags.
6002 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6004 * target.h (struct spec_info_def): New opaque declaration.
6005 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6006 speculate_insn, needs_block_p, gen_check,
6007 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6008 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6009 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6010 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6011 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6012 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6014 (TARGET_SCHED): Use new macros.
6015 * rtl.h (copy_DEPS_LIST_list): New prototype.
6016 * sched-int.h (struct sched_info): Change signature of new_ready field,
6017 adjust all initializations. New fields: add_remove_insn,
6018 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6019 region_head_or_leaf_p.
6020 (struct spec_info_def): New structure declaration.
6021 (spec_info_t): New typedef.
6022 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6023 recovery_block, orig_pat.
6024 (glat_start, glat_end): New variables declaraions.
6025 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6027 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6028 DETACH_LIFE_INFO, USE_GLAT.
6029 (enum SPEC_SCHED_FLAGS): New enumeration.
6030 (NOTE_NOTE_BB_P): New macro.
6031 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6032 attach_life_info, debug_spec_status, check_reg_live): New functions.
6033 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6034 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6036 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6037 * ddg.c (get_block_head_tail): Adjust all uses.
6038 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6039 (sms_sched_info): Initialize new fields.
6040 (contributes_to_priority): Removed.
6041 * haifa-sched.c (params.h): New include.
6042 (get_block_head_tail): Adjust all uses.
6043 (ISSUE_POINTS): New macro.
6044 (glat_start, glat_end): New global variables.
6045 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6046 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6047 old_last_basic_block, before_recovery, current_sched_info_var,
6048 rgn_n_insns, luid): New static variables.
6049 (insn_cost1): New function. Move logic from insn_cost to here.
6050 (find_insn_reg_weight1): New function. Move logic from
6051 find_insn_reg_weight to here.
6052 (reemit_notes, move_insn, max_issue): Change signature.
6053 (move_insn1): Removed.
6054 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6055 extend_bb): New static functions to support extension of scheduler's
6057 (generate_recovery_code, process_insn_depend_be_in_spec,
6058 begin_speculative_block, add_to_speculative_block,
6059 init_before_recovery, create_recovery_block, create_check_block_twin,
6060 fix_recovery_deps): New static functions to support
6061 generation of recovery code.
6062 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6063 restore_bb_notes, move_block_after_check, move_succs): New static
6064 functions to support ebb scheduling.
6065 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6066 functions to support handling of register live information.
6067 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6068 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6069 add_jump_dependencies): New static functions.
6070 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6071 consistancy checking.
6072 (debug_spec_status): New function to call from debugger.
6073 (priority): Added code to handle speculation checks.
6074 (rank_for_schedule): Added code to distinguish speculative instructions.
6075 (schedule_insn): Added code to handle speculation checks.
6076 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6077 Fixed to handle ebbs.
6078 (move_insn): Added code to handle ebb scheduling.
6079 (max_issue): Added code to use ISSUE_POINTS of instructions.
6080 (choose_ready): Added code to choose between speculative and
6081 non-speculative instructions.
6082 (schedule_block): Added code to handle ebb scheduling and scheduling of
6083 speculative instructions.
6084 (sched_init): Initialize new variables.
6085 (sched_finish): Free new variables. Print statistics.
6086 (try_ready): Added code to handle speculative instructions.
6087 * lists.c (copy_DEPS_LIST_list): New function.
6088 * sched-deps.c (extend_dependency_caches): New function. Move logic
6089 from create_dependency_caches to here.
6090 (get_dep_weak, ds_merge): Make global.
6091 * genattr.c (main): Code to output prototype for
6092 dfa_clear_single_insn_cache.
6093 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6094 (output_dfa_clean_insn_cache_func): Code to output
6095 dfa_clear_single_insn_cache function.
6096 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6098 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6100 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6101 New static variables.
6102 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6103 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6105 (ebb_sched_info): Initialize new fields.
6106 (get_block_head_tail): Adjust all uses.
6107 (compute_jump_reg_dependencies): Fixed to use glat_start.
6108 (schedule_ebb): Code to remove unreachable last block.
6109 (schedule_ebbs): Added code to update register live information.
6110 * sched-rgn.c (region_sched_info): Initialize new fields.
6111 (get_block_head_tail): Adjust all uses.
6112 (last_was_jump): Removed. Adjust users.
6113 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6114 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6115 Implement new hooks.
6116 (check_dead_notes1): New static function.
6117 (struct region): New fields: dont_calc_deps, has_real_ebb.
6118 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6119 (BB_TO_BLOCK): Fixed to handle EBBs.
6120 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6121 (ebb_head): New static variable.
6122 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6123 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6125 (compute_dom_prob_ps): New assertion.
6126 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6127 global_live_at_start.
6128 (init_ready_list): New assertions.
6129 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6130 (new_ready): Add support for BEGIN_CONTROL speculation.
6131 (schedule_insns): Fixed code that updates register live information
6133 (schedule_region): Fixed to handle EBBs.
6134 (init_regions): Use extend_regions and check_dead_notes1.
6135 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6136 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6137 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6138 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6139 TARGET_SCHED_GEN_CHECK,
6140 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6141 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6142 * doc/invoke.texi (max-sched-insn-conflict-delay,
6143 sched-spec-prob-cutoff): Document.
6145 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6147 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6148 inter_tick, queue_index.
6149 (struct sched_info): Change signature of init_ready_list field.
6150 Adjust all initializations.
6151 (RESOLVED_DEPS): New access macro.
6152 (ready_add): Remove prototype.
6153 (try_ready): Add prototype.
6154 * sched-rgn.c (init_ready_list): Use try_ready.
6155 (schedule_region): Initialize
6156 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6157 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6158 (init_ready_list): Use try_ready.
6159 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6160 * lists.c (remove_list_elem): Remove `static'.
6161 (remove_free_INSN_LIST_elem): New function.
6162 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6163 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6164 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6166 (readyp): New variable.
6167 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6168 change_queue_index, resolve_dep): New static functions.
6169 (try_ready): New function. Adjust callers in sched-rgn.c and
6170 sched-ebb.c to use it instead of ready_add.
6171 (clock_var): Move at the begining of file.
6172 (rank_for_schedule): Fix typo.
6173 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6174 (ready_lastpos): Enforce assertion.
6175 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6177 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6178 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6179 (queue_to_ready): Use free_INSN_LIST_list.
6180 (early_queue_to_ready): Fix typo.
6181 (schedule_block): Init readyp. Move init_ready_list call after the
6182 initialization of clock_var. Fix error in rejecting insn by
6183 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6184 that previously corrected INSN_TICKs. Add code for handling
6186 (set_priorities): Fix typo.
6187 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6188 Clarify comment and code that keeps current_sched_info->next_tail
6191 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6193 * sched-rgn.c (extend_rgns): New static function.
6194 (find_rgns): Use it.
6195 (gather_region_statistics, print_region_statistics): New static
6197 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6198 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6200 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6201 Andrey Belevantsev <abel@ispras.ru>
6203 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6204 * lists.c (unused_deps_list): New variable.
6205 (free_list): Add assertions to verify the proper distinguishing
6206 between INSN_LISTs and DEPS_LISTs.
6207 (find_list_elem, remove_list_elem, remove_list_node): New static
6209 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6210 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6211 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6212 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6214 (free_INSN_LIST_node): Likewise.
6215 * modulo-sched.c (current_sched_info): Initialize flags field.
6216 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6217 * rtl.def (DEPS_LIST): Define.
6218 * rtl.h: Declare new functions from lists.c.
6219 * sched-deps.c (spec_dependency_cache): New static variable.
6220 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6221 (add_dependence): Change return type to void. Move the logic to ...
6222 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6223 (delete_all_dependences): Add comment about forward_dependency_cache.
6224 Handle spec_dependency_cache. Handle DEPS_LISTs.
6225 (fixup_sched_groups): Clarify the change of priority of output
6226 and anti dependencies.
6227 (sched_analyze_2): Adjust add_dependence calls to create data
6228 speculative dependence.
6229 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6230 Adjust all callers. Handle DEPS_LISTS.
6231 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6232 presence of speculation.
6233 (init_dependency_caches, free_dependency_caches):
6234 Handle spec_dependency_cache.
6235 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6236 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6237 New static functions.
6238 (add_or_update_back_dep, add_or_update_back_forw_dep,
6239 add_back_forw_dep, delete_back_forw_dep): New functions.
6240 * sched-int.h (ds_t, dw_t): New typedefs.
6241 (struct sched_info): Add new field flags.
6242 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6243 Prototype new sched-deps.c functions.
6244 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6245 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6246 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6247 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6248 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6249 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6251 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6253 * sched-rgn.c (current_sched_info): Initialize flags field.
6254 (schedule_insns): Initialize current_sched_info before the sched_init
6256 * sched-ebb.c (current_sched_info): Initialize flags field.
6257 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6258 Call add_or_update_back_dep instead of add_dependence.
6259 Create control speculative dependencies.
6260 (schedule_insns): Initialize current_sched_info before the sched_init
6263 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6265 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6267 (sh_fallback_frame_state): Likewise.
6269 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6271 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6272 Do switch on default_use_cxa_atexit.
6273 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6274 * config/darwin-crt3.o: New.
6275 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6276 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6277 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6279 * config/rs6000/t-darwin: Move crt2.o building to here.
6280 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6281 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6284 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6286 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6287 from '! xxx' to '!xxx' for coding-style conformance.
6288 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6289 (EXTRA_CONSTRAINT): Likewise.
6290 * config/vax/vax.md (four unnamed insns): Likewise.
6292 2006-03-15 Paul Brook <paul@codesourcery.com>
6294 * config/arm/arm.c (minipool_pad): New.
6295 (add_minipool_forward_ref): Include pool alignment padding in address
6297 (push_minipool_fix): Set minipool_pad.
6298 (minipool_pad): Ditto.
6300 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6302 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6303 instead of GET_CODE() == MEM and REG_P() instead of
6305 (print_operand_address): Likewise.
6306 (vax_address_cost): Likewise.
6307 (vax_rtx_costs): Likewise.
6308 (vax_notice_update_cc): Likewise.
6309 (vax_output_int_add): Likewise.
6310 (INDEX_REGISTER_P): Likewise.
6311 (BASE_REGISTER_P): Likewise.
6312 (nonindexed_address_p): Likewise.
6313 (vax_mode_dependent_address_p): Likewise.
6314 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6315 (PRINT_OPERAND): Likewise.
6316 * config/vax/vax.md (ashlsi3): Likewise.
6317 (ashlsi3): Likewise.
6318 (some more unnamed insns): Likewise.
6320 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6322 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6323 iterator-style macro.
6324 (mark_control_dependent_edges_necessary): Update the use of
6325 EXECUTE_IF_CONTROL_DEPENDENT.
6327 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6329 * config/sh/predicates.md (cache_address_operand): Special.
6330 (ua_address_operand): Likewise.
6332 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6334 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6336 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6338 2006-03-15 Andreas Schwab <schwab@suse.de>
6340 * gensupport.c (identify_predicable_attribute): Don't free p_false
6341 when it is still in use.
6343 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6345 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6346 the default setting here.
6348 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6350 * tree-pass.h (pass_cfg): Remove.
6351 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6352 * passes.c (pass_cfg): Don't run it.
6354 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6356 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6357 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6359 (stack_regs_mentioned): Update the uses of
6360 stack_regs_mentioned_data. Don't access the array beyond its
6362 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6363 Don't include gt-reg-stack.h.
6365 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6366 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6368 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6371 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6374 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6376 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6378 2006-03-14 Richard Guenther <rguenther@suse.de>
6380 PR tree-optimization/26672
6381 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6384 2006-03-14 Richard Guenther <rguenther@suse.de>
6386 PR tree-optimization/26667
6387 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6388 node for the callees. Always allow inlining if it will shrink
6391 2006-03-14 Richard Guenther <rguenther@suse.de>
6394 * builtins.c (get_pointer_alignment): Prefer alignment
6395 information from decls over that from types.
6397 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6400 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6402 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6404 * config/rs6000/rs6000.opt (mdlmzb): New option.
6405 (msched-prolog, msched-epilog): Use Var not Mask.
6406 * doc/invoke.texi (-mdlmzb): Document.
6407 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6409 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6410 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6412 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6414 PR rtl-optimization/25739
6415 * bt-load.c (augment_live_range): Free tos pointer.
6417 * gensupport.c (identify_predicable_attribute): Free
6419 * gcov.c (create_file_names): Free name pointer.
6421 2006-03-13 Roger Sayle <roger@eyesopen.com>
6424 * stmt.c (emit_case_nodes): Handle the case where the index is a
6425 CONST_INT, where the comparison mode is specified by the index type.
6427 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6429 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6432 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6434 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6435 (*branch_fp_inverted): Likewise.
6437 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6440 * omp-low.c (expand_omp_for_generic): Mark istart0
6441 and iend0 as addressable.
6443 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6445 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6447 2006-03-13 Jeff Law <law@redhat.com>
6449 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6450 virtual operands are interesting.
6451 (vrp_visit_stmt): Corresponding changes.
6453 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6455 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6457 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6458 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6459 * config/bfin/crti.S: Use it instead of __PIC__.
6460 * config/bfin/crtn.S: Likewise.
6462 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6463 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6465 Lose 'G' modifier for call operand.
6466 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6467 recognize 'G' modifier.
6469 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6472 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6473 * stmt.c (expand_case): Likewise.
6475 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6477 PR rtl-optimization/26254
6478 * loop-invariant.c (seq_insns_valid_p): New function.
6479 (move_invariant_reg): Only emit new code if it is valid.
6481 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6483 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6485 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6486 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6487 (commit_one_edge_insertion): Do not look for loop notes.
6489 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6491 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6492 flag_test_coverage out of loop.
6494 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6496 * final.c (shorten_branches): Remove outdated comment, and turn
6497 the if branch that guards it to continue.
6499 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6501 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6502 * cfgloop.h (struct loop): Remove unused fields.
6504 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6506 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6507 (-dL, -fdump-rtl-loop2): Update the dump file names
6509 * doc/invoke.texi: Update dump file names.
6511 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6513 * predict.c (estimate_probability): Remove.
6514 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6515 * basic-block.h (estimate_probability): Remove prototype.
6516 * passes.c (finish_optimization_passes): Dump branch prediction or
6517 profiling heuristics to the .profile tree dump.
6518 (init_optimization_passes): Unqueue pass_branch_prob.
6520 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6522 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6524 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6525 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6527 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6529 * function.h (frame_offset_overflow): Declare.
6530 * function.c (frame_offset_overflow): New function.
6531 (assign_stack_local_1): Call it to detect that the offset overflows.
6532 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6534 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6536 * config/sh/sh.c: Include alloc-pool.h.
6537 (label_ref_list_pool): New alloc pool.
6538 (label_ref_list_t): New type for lists of labels.
6539 (struct pool_node): Make wend a label_ref_list_t.
6540 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6542 (dump_table): Likewise.
6543 (sh_reorg): Set up the alloc pool before using add_constant and
6544 dump_table, and destroy it when finishing.
6546 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6548 * config/mips/mips.c: Remove redundant comment.
6550 2006-03-10 Jason Merrill <jason@redhat.com>
6553 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6554 the target was declared 'register'.
6556 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6558 * genpreds.c (write_insn_constraint_len): Change definition of
6559 insn_constraint_len to return size_t to match the declaration.
6561 2006-03-10 DJ Delorie <dj@redhat.com>
6563 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6565 (m32c_expand_insv): Fix test for an AND mask.
6567 2006-03-10 Richard Guenther <rguenther@suse.de>
6570 * builtins.c (get_pointer_alignment): Handle component
6571 references for field alignment.
6573 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6575 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6576 when building with libgloss.
6577 (sh*elf): Implement --without-fp option.
6578 (sh64-superh-linux*): Don't multilib.
6580 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6582 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6584 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6586 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6587 Set it when one of the replacement functions returned true.
6588 Return TODO_cleanup_cfg if cfgchanged is true.
6589 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6591 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6593 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6594 instead of gen_lowpart.
6596 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6598 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6600 (mips_output_order_conditional_branch): Declare.
6601 * config/mips/mips.h (MIPS_BRANCH): New macro.
6602 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6603 for the comparison. Use gen_condjump.
6604 (mips_output_conditional_branch): Rework interface to take the
6605 asm templates for a direct branch and the inverse of a direct branch.
6606 (mips_output_order_conditional_branch): New function.
6607 (mips_builtin_branch_and_move): New function.
6608 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6609 branch condition. Use gen_single_cc as the condition for
6610 __builtin_mips_upper_* or __builtin_mips_lower_*.
6611 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6612 Use VOIDmode for the branch condition.
6613 * config/mips/predicates.md (order_operator): New predicate.
6614 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6615 (branch_fp): Rename to...
6616 (*branch_fp): ...this. Remove mode from comparison operator.
6617 Use new mips_output_conditional_branch interface.
6618 (branch_fp_inverted): Rename to...
6619 (*branch_fp_inverted): ...this and update as for *branch_fp.
6620 (*branch_zero<mode>): Rename to...
6621 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6622 Use mips_output_order_conditional_branch. Only accept ordered
6624 (*branch_zero<mode>_inverted): Rename to...
6625 (*branch_order<mode>_inverted): ...this and update as for
6626 *branch_order<mode>.
6627 (*branch_equality<mode>): Accept zero as the second operand to
6628 the equality operator. Use the new mips_output_conditional_branch
6630 (*branch_equality<mode>_inverted): Likewise.
6631 (condjump): New expander.
6632 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6634 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6635 (bc1any2t, bc1any2f): Likewise.
6636 (single_cc): New expander.
6637 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6639 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6641 * doc/md.texi: Update documentation of MIPS constraints.
6642 * config/mips/constraints.md: New file.
6643 * config/mips/mips.md: Include it.
6644 * config/mips/mips.c (mips_char_to_class): Delete.
6645 (override_options): Don't initialize mips_char_to_class.
6646 * config/mips/mips.h (mips_char_to_class): Delete.
6647 (REG_CLASS_FROM_LETTER): Delete.
6648 (CONST_OK_FOR_LETTER_P): Delete.
6649 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6650 (EXTRA_CONSTRAINT_Y): Delete.
6651 (EXTRA_CONSTRAINT_STR): Delete.
6652 (CONSTRAINT_LEN): Delete.
6653 (EXTRA_MEMORY_CONSTRAINT): Delete.
6655 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6657 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6658 original fn's eh regions.
6660 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6662 * fold-const.c (build_range_check): Make sure to use a valid type to
6663 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6666 (range_predecessor): New static function.
6667 (range_successor): Likewise.
6668 (merge_ranges): Use them to compute predecessors and successors of
6671 2006-03-09 Roger Sayle <roger@eyesopen.com>
6674 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6675 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6677 2006-03-08 DJ Delorie <dj@redhat.com>
6679 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6680 (addpsi3): Expand to include memory operands. Remove
6681 reload-specific splits.
6682 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6683 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6684 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6685 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6686 (shift1_qi, shift1_hi, insv): New.
6687 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6688 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6689 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6691 * config/m32c/m32c-protos.h: Update as needed.
6692 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6693 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6694 Fail for unrecognized R* constraints.
6695 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6696 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6697 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6699 (m32c_init_libfuncs): New.
6700 (m32c_legitimate_address_p): Add debug wrapper.
6701 (m32c_rtx_costs): New.
6702 (m32c_address_cost): New.
6703 (conversions): Add 'B' prefix.
6704 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6705 operands, or word regnames for QI operands. 'B' prints bit
6707 (m32c_expand_setmemhi): New.
6708 (m32c_expand_movmemhi): New.
6709 (m32c_expand_movstr): New.
6710 (m32c_expand_cmpstr): New.
6711 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6712 (m32c_expand_neg_mulpsi3): Handle non-ints.
6713 (m32c_cmp_flg_0): New.
6714 (m32c_expand_movcc): New.
6715 (m32c_expand_insv): New.
6716 (m32c_scc_pattern): New.
6717 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6718 a0/a1 out of SIregs.
6719 (STORE_FLAG_VALUE): New.
6720 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6723 * config/m32c/mov.md: Make constraints more liberal.
6724 (zero_extendqihi2): Optimize r0/r1 case.
6725 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6726 * config/m32c/predicates.md (m32c_any_operand): New.
6727 (m32c_nonimmediate_operand): New.
6728 (m32c_hl_operand): New.
6729 (m32c_r3_operand): New.
6732 (memsym_operand): New.
6733 (memimmed_operand): New.
6734 (a_qi_operand): New.
6735 (m32c_eqne_operator): New.
6736 (m32c_1bit8_operand): New.
6737 (m32c_1bit16_operand): New.
6738 (m32c_1mask8_operand): New.
6739 (m32c_1mask16_operand): New.
6740 * config/m32c/blkmov.md: New file.
6741 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6743 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6745 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6746 unsigned to fix signed/unsigned comparison issue in
6747 DWARF2_FRAME_REG_OUT.
6748 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6749 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6751 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6752 of ptr into the ENABLE_CHECKING section.
6754 2006-03-08 Jeff Law <law@redhat.com>
6756 * tree-vrp.c (infer_value_range): Only count pointer uses
6757 and dereferences if -fdelete-null-pointer-checks is enabled.
6759 * tree-vrp.c (find_assert_locations): Infer value ranges for
6760 single use pointers, but do not create ASSERT_EXPRs for them.
6761 When a non-null range is inferred for a pointer, backwards
6762 propagate that range to other equivalent pointers through the
6765 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6768 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6769 language hook targets.
6770 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6771 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6772 if language hook targets were missing.
6774 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6776 * tree-ssa-opfinalize.h: Removed.
6777 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6779 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6780 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6781 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6782 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6783 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6784 finalize_ssa_v_must_def_ops): New.
6786 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6788 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6791 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6793 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6795 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6796 addresses with offsets; reorganize.
6798 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6799 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6800 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6802 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6805 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6807 2006-03-08 Ben Elliston <bje@au.ibm.com>
6809 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6811 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6814 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6817 2006-03-07 Richard Guenther <rguenther@suse.de>
6819 PR tree-optimization/26587
6820 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6822 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6824 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6826 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6828 * hooks.c (hook_bool_mode_rtx_true): New function.
6829 * hooks.h (hook_bool_mode_rtx_true): Declare.
6830 * toplev.c (compile_file): Call output_shared_constant_pool.
6831 * varasm.c (shared_constant_pool): New variable.
6832 (assemble_start_function, assemble_end_function): Remove arguments
6833 from call to output_constant_pool.
6834 (create_constant_pool): New function, split out from...
6835 (init_varasm_status): ...here.
6836 (force_const_mem): Choose between the shared and per-function constant
6837 pools. Set current_function_uses_const_pool when reusing old entries
6838 as well as when creating new ones.
6839 (mark_constant): Ignore data argument.
6840 (mark_constants): Remove pool argument.
6841 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6842 to decide whether the function uses a constant pool.
6843 (output_constant_pool_contents): New function, split out from...
6844 (output_constant_pool): ...here.
6845 (output_shared_constant_pool): New function.
6846 (init_varasm_once): Initialize shared_constant_pool.
6847 * output.h (output_constant_pool): Delete.
6848 (output_shared_constant_pool): Declare.
6849 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6850 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6852 2006-03-06 Nick Clifton <nickc@redhat.com>
6854 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6855 flag_strength_reduce.
6857 2006-03-06 Ben Elliston <bje@au.ibm.com>
6859 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6860 x86_64-*-linux* configurations.
6862 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6863 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6865 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6867 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6869 * basic-block.h: Remove the extern for
6870 rediscover_loops_after_threading.
6872 * cfgloop.c (cancel_loop): Make it static.
6873 * cfgloop.h: Remove the prototype for cancel_loop.
6875 * flow.c (recompute_reg_usage): Make it static.
6876 * rtl.h: Remove the prototype for recompute_reg_usage.
6878 * function.c (use_return_register): Make it static.
6879 * function.h: Remove the prototype.
6881 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6883 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6885 * recog.h: Remove the prototype for
6886 validate_change_maybe_volatile.
6888 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6890 * rtlanal.c (replace_reg): Remove.
6891 * rtl.h: Remove the prototype for replace_reg.
6893 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6895 * regclass.c (reg_scan_update): Remove.
6896 (reg_scan_mark_refs): Remove the last argument.
6897 * rtl.h: Remove the prototype for reg_scan_update.
6899 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6901 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6902 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6903 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6904 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6905 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6906 loop-invariant.c, omp-low.c, opts.c, passes.c,
6907 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6908 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6909 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6910 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6911 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6912 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6914 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6916 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6917 * dwarf2out.h: Remove the prototype for
6918 dwarf2out_add_library_unit_info.
6920 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6922 * tree.c (add_var_to_bind_expr): Remove.
6923 * tree.h: Remove the prototype for add_var_to_bind_expr.
6925 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6927 * regclass.c (n_non_fixed_regs): Remove.
6928 (init_reg_sets_1, globalize_reg): Remove all uses of
6930 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6932 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6934 * rtlanal.c (insns_safe_to_move_p): Remove.
6935 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6937 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6939 * expmed.c (expand_mult_add): Remove.
6940 * expr.h: Remove the prototype for expand_mult_add.
6942 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6944 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6945 and REG_SAVED_VAL_EXP constants.
6946 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6947 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6948 Handle regs stored by value.
6949 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6950 (execute_cfa_program): Handle DW_CFA_val_offset,
6951 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6952 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6953 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6954 (uw_install_context_1): Handle target regs stored by value.
6956 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6958 * tree-sra.c (tree_sra): Return todoflags;
6959 (generate_one_element): Set TODO_update_smt_usage if needed.
6960 (pass_sra): Remove TODO_update_smt_usage.
6961 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6963 (tree_ssa_forward_propagate_single_use_vars): Return
6964 TODO_update_smt_usage if we need to update SMT usage.
6965 (pass_forwprop): Remove TODO_update_smt_usage.
6967 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6969 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6970 (correct_use_link): Remove reference to get_stmt_operands.
6971 (update_stmt_operands): Likewise.
6972 (get_modify_expr_operands): New function factored out of
6973 parse_ssa_operands and get_expr_operands.
6974 Try to create V_MUST_DEFs for LHS by default.
6975 (get_expr_operands) <case MODIFY_EXPR>: Call
6976 get_modify_expr_operands.
6977 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6978 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6979 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6980 get_modify_expr_operands.
6982 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6984 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6985 * tree-flow.h: Remove the prototype for
6986 referenced_var_lookup_if_exists.
6988 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6990 PR rtl-optimization/26345
6992 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6994 2006-03-03 Roger Sayle <roger@eyesopen.com>
6996 PR tree-optimization/26524
6997 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6998 fold_convert to create a constant of the appropriate type.
7000 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7002 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7003 SYMBOL_REF_IN_BLOCK_P.
7004 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7005 of SYMBOL_FLAG_IN_BLOCK.
7006 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7007 instead of SYMBOL_REF_IN_BLOCK_P.
7008 * explow.c (use_anchored_address): Likewise.
7009 * rtl.c (rtx_size): Likewise.
7010 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7011 instead of SYMBOL_FLAG_IN_BLOCK.
7012 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7013 SYMBOL_REF_IN_BLOCK_P.
7014 (assemble_variable): Likewise.
7015 (output_constant_def_contents): Likewise.
7016 (output_constant_pool): Likewise.
7017 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7018 instead of SYMBOL_FLAG_IN_BLOCK.
7019 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7020 SYMBOL_REF_IN_BLOCK_P.
7021 (SYMBOL_REF_BLOCK): Likewise.
7022 (SYMBOL_REF_OFFSET): Likewise.
7023 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7024 SYMBOL_REF_IN_BLOCK_P.
7025 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7026 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7027 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7028 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7030 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7032 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7034 2006-03-02 Roger Sayle <roger@eyesopen.com>
7036 * simplify-rtx.c (simplify_unary_operation): When simplifying
7037 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7038 that we perform the right shift in the appropriate mode, and
7039 then extend or truncate the result to requested mode.
7041 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7043 * gengtype.c (main): Handle double_int type.
7044 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7045 * double-int.c: New file.
7046 * double-int.h: New file.
7047 * system.h: Include doubleint.h.
7048 * Makefile.in (SYSTEM_H): Include double-int.h.
7049 (double-int.o): Add.
7051 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7054 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7057 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7059 * tree-vrp.c (remove_range_assertions): Do not update statements
7062 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7064 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7066 * gcse.c (rest_of_handle_gcse): Ditto.
7067 * except.c (gate_handle_eh): Ditto.
7068 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7069 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7071 2006-03-02 Eric Christopher <echristo@apple.com>
7073 * config/i386/i386.c (machopic_output_stub): Add indirection to
7076 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7080 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7082 Sun Niagara specific optimizations.
7083 * config.gcc: Recognize niagara as target.
7084 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7085 (TARGET_CPU_niagara): Define.
7086 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7087 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7088 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7089 (ASM_CPU_SPEC): Likewise.
7090 (PROCESSOR_NIAGARA): New enum entry.
7091 (REGISTER_MOVE_COST): Handle Niagara.
7092 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7093 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7094 (sparc_override_options): Recognize "niagara", set appropriate
7095 default MASK_* values for it, and align functions to 32-bytes
7096 by default just like ULTRASPARC/ULTRASPARC3.
7097 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7098 (sparc64_initialize_trampoline): Likewise.
7099 (sparc_use_sched_lookahead): Use zero for niagara.
7100 (sparc_issue_rate): Use one for niagara.
7101 * config/sparc/niagara.md: New file.
7102 * config/sparc/sparc.md: Include it.
7103 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7104 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7105 when default cpu is niagara.
7106 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7107 (ASM_CPU_SPEC): Likewise.
7108 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7109 when default cpu is niagara.
7110 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7111 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7112 just like v9/ultrasparc/ultrasparc3.
7113 * doc/invoke.texi: Add documentation for "niagara" and improve
7114 existing documentation for ultrasparc variants.
7116 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7118 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7120 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7122 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7123 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7124 and say that only one is needed.
7125 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7126 * target.h (have_switchable_bss_sections): New hook.
7127 * explow.c (use_anchored_address): Check that the symbol is in a block.
7128 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7129 (bss_noswitch_section): New variables.
7130 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7131 (get_noswitch_section): New function.
7132 (get_block_for_section): Allow SECT to be null.
7133 (unlikely_text_section_p): Use SECTION_STYLE.
7134 (bss_initializer_p): New function.
7135 (get_variable_section): Move earlier in file. Take a new argument,
7136 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7137 Return one of the new *_sections in such cases.
7138 (get_block_for_decl): New function, extracting some logic from
7139 use_blocks_for_decl_p.
7140 (change_symbol_section): Remove in favor of...
7141 (change_symbol_block): ...this new function.
7142 (use_blocks_for_decl_p): Remove checks now performed by
7144 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7145 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7146 (emit_local, emit_bss, emit_common): ...these new functions.
7147 Return true if the alignment was honored.
7148 (emit_tls_common): New function.
7149 (asm_emit_uninitialised): Delete.
7150 (assemble_variable_noswitch): New function, split out from...
7151 (assemble_variable): ...here. Don't make decisions about common
7152 variables here. Globalize all public decls that go into non-common
7153 sections. Check whether SYMBOL_REF_BLOCK is null.
7154 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7155 (output_constant_pool): Likewise.
7156 (init_varasm_once): Initialize the new section variables.
7157 (have_global_bss_p): New function.
7158 (categorize_decl_for_section): Use bss_initializer_p.
7159 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7160 (place_block_symbol): Assert that the symbol must be in a block.
7161 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7162 (TARGET_INITIALIZER): Include it.
7163 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7164 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7165 (SECTION_MACH_DEP): Bump by two.
7166 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7167 (unnamed_section): Mention SECTION_UNNAMED in comment.
7168 (named_section): Likewise SECTION_NAMED.
7169 (noswitch_section_callback): New type.
7170 (noswitch_section): New structure.
7171 (section): Add a noswitch_section alternative.
7172 (SECTION_STYLE): New macro.
7173 (tls_comm_section, comm_section, lcomm_section): Declare.
7174 (bss_noswitch_section, have_global_bss_p): Declare.
7175 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7176 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7178 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7179 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7182 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7184 * tree-vrp.c (execute_vrp): Return value.
7185 * regrename.c (rest_of_handle_regrename): Ditto.
7186 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7187 * tree-complex.c (tree_lower_complex): Ditto.
7188 (tree_lower_complex_O0): Ditto.
7189 * tracer.c (rest_of_handle_tracer): Ditto.
7190 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7191 * postreload.c (rest_of_handle_postreload): Ditto.
7192 * tree-tailcall.c (execute_tail_recursion): Ditto.
7193 (execute_tail_calls): Ditto.
7194 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7195 * tree.h (init_function_for_compilation): Ditto.
7196 * ipa-cp.c (ipcp_driver): Ditto.
7197 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7198 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7199 * final.c (compute_alignments): Ditto.
7200 (rest_of_handle_final): Ditto.
7201 (rest_of_handle_shorten_branches): Ditto.
7202 (rest_of_clean_state): Ditto.
7203 * omp-low.c (execute_expand_omp): Ditto.
7204 (execute_lower_omp): Ditto.
7205 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7206 * ipa-reference.c (static_execute): Ditto.
7207 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7208 * reorg.c (rest_of_handle_delay_slots): Ditto.
7209 (rest_of_handle_machine_reorg): Ditto.
7210 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7211 * flow.c (recompute_reg_usage): Ditto.
7212 (rest_of_handle_remove_death_notes): Ditto.
7213 (rest_of_handle_life): Ditto.
7214 (rest_of_handle_flow2): Ditto.
7215 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7216 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7217 (do_ssa_store_ccp): Ditto.
7218 (execute_fold_all_builtins): Ditto.
7219 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7220 * modulo-sched.c (rest_of_handle_sms): Ditto.
7221 * ipa-pure-const.c (static_execute): Ditto.
7222 * cse.c (rest_of_handle_cse): Ditto.
7223 (rest_of_handle_cse2): Ditto.
7224 * web.c (rest_of_handle_web): Ditto.
7225 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7226 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7227 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7228 * tree-nrv.c (tree_nrv): Ditto.
7229 (execute_return_slot_opt): Ditto.
7230 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7231 (create_structure_vars): Ditto.
7232 * loop-init.c (rtl_loop_init): Ditto.
7233 (rtl_loop_done): Ditto.
7234 (rtl_move_loop_invariants): Ditto.
7235 (rtl_unswitch): Ditto.
7236 (rtl_unroll_and_peel_loops): Ditto.
7237 (rtl_doloop): Ditto.
7238 * gimple-low.c (lower_function_body): Ditto.
7239 (mark_used_blocks): Ditto.
7240 * tree-ssa-sink.c (execute_sink_code): Ditto.
7241 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7242 (cgraph_early_inlining): Ditto.
7243 * global.c (rest_of_handle_global_alloc): Ditto.
7244 * jump.c (cleanup_barriers): Ditto.
7245 (purge_line_number_notes): Ditto.
7246 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7247 (rest_of_handle_if_after_reload): Ditto.
7248 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7249 (tree_ssa_loop_im): Ditto.
7250 (tree_ssa_loop_unswitch): Ditto.
7251 (tree_vectorize): Ditto.
7252 (tree_linear_transform): Ditto.
7253 (tree_ssa_loop_ivcanon): Ditto.
7254 (tree_ssa_empty_loop): Ditto.
7255 (tree_ssa_loop_bounds): Ditto.
7256 (tree_complete_unroll): Ditto.
7257 (tree_ssa_loop_prefetch): Ditto.
7258 (tree_ssa_loop_ivopts): Ditto.
7259 (tree_ssa_loop_done): Ditto.
7260 * predict.c (tree_estimate_probability): Ditto.
7261 * recog.c (split_all_insns_noflow): Ditto.
7262 (rest_of_handle_peephole2): Ditto.
7263 (rest_of_handle_split_all_insns): Ditto.
7264 * tree-eh.c (lower_eh_constructs): Ditto.
7265 * regmove.c (rest_of_handle_regmove): Ditto.
7266 (rest_of_handle_stack_adjustments): Ditto.
7267 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7268 * function.c (instantiate_virtual_regs): Ditto.
7269 (init_function_for_compilation): Ditto.
7270 (rest_of_handle_check_leaf_regs): Ditto.
7271 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7272 (rest_of_handle_gcse): Ditto.
7273 * ipa-type-escape.c (type_escape_execute): Ditto.
7274 * alias.c (rest_of_handle_cfg): Ditto.
7275 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7276 * profile.c (rest_of_handle_branch_prob): Ditto.
7277 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7278 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7279 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7280 * tree-dfa.c (find_referenced_vars): Ditto.
7281 * except.c (set_nothrow_function_flags): Ditto.
7282 (convert_to_eh_region_ranges): Ditto.
7283 (rest_of_handle_eh): Ditto.
7284 * emit-rtl.c (unshare_all_rtl): Ditto.
7285 (remove_unnecessary_notes): Ditto.
7286 * except.h (set_nothrow_function_flags): Ditto.
7287 (convert_to_eh_region_ranges): Ditto.
7288 * cfgexpand.c (tree_expand_cfg): Ditto.
7289 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7290 * tree-ssa-pre.c (do_pre): Ditto.
7291 (execute_fre): Ditto.
7292 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7293 (rest_of_handle_jump2): Ditto.
7294 * tree-sra.c (tree_sra): Ditto.
7295 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7296 (execute_mudflap_function_decls): Ditto.
7297 * tree-ssa-copy.c (do_copy_prop): Ditto.
7298 (do_store_copy_prop): Ditto.
7299 * ipa-prop.h (ipcp_driver): Ditto.
7300 * cfglayout.c (insn_locators_initialize): Ditto.
7301 * tree-ssa-forwprop.c
7302 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7303 * cfglayout.h (insn_locators_initialize): Ditto.
7304 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7305 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7306 (execute_late_warn_uninitialized): Ditto.
7307 * rtl.h (cleanup_barriers): Ditto.
7308 (split_all_insns_noflow): Ditto.
7309 (purge_line_number_notes): Ditto.
7310 (unshare_all_rtl): Ditto.
7311 (remove_unnecessary_notes): Ditto.
7312 (recompute_reg_usage): Ditto.
7313 (variable_tracking_main): Ditto.
7314 * integrate.c (emit_initial_value_sets): Ditto.
7315 * integrate.h (emit_initial_value_sets): Ditto.
7316 * tree-optimize.c (execute_free_datastructures): Ditto
7317 (execute_free_cfg_annotations): Ditto.
7318 (execute_fixup_cfg): Ditto.
7319 (execute_cleanup_cfg_pre_ipa): Ditto.
7320 (execute_cleanup_cfg_post_optimizing): Ditto.
7321 (execute_init_datastructures): Ditto.
7322 * tree-object-size.c (compute_object_sizes): Ditto.
7323 * combine.c (rest_of_handle_combine): Ditto.
7324 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7325 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7326 (rest_of_handle_reorder_blocks): Ditto.
7327 (rest_of_handle_partition_blocks): Ditto.
7328 * var-tracking.c (variable_tracking_main): Ditto.
7329 * tree-profile.c (tree_profiling): Ditto.
7330 * tree-vect-generic.c (expand_vector_operations): Ditto.
7331 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7332 * sched-rgn.c (rest_of_handle_sched): Ditto.
7333 (rest_of_handle_sched2): Ditto.
7334 * basic-block.h (free_bb_insn): Ditto.
7335 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7336 * tree-cfg.c (execute_build_cfg): Ditto.
7337 (remove_useless_stmts): Ditto.
7338 (split_critical_edges): Ditto.
7339 (execute_warn_function_return): Ditto.
7340 (execute_warn_function_noreturn): Ditto.
7341 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7342 * cfgrtl.c (free_bb_for_insn): Ditto.
7343 * passes.c (execute_one_pass): Run additional
7344 todos returned by execute function.
7345 * tree-pass.h (struct tree_opt_pass): Make execute
7348 2006-03-02 Richard Guenther <rguenther@suse.de>
7350 * tree-ssa-alias.c (find_used_portions): Consider taking
7351 the address as making the variable not write-only.
7353 2006-03-02 Nick Clifton <nickc@redhat.com>
7355 * config.gcc (default_use_cxa_atexit): Extend the description of
7356 this configure variable. Set its default value to "yes" for
7357 Linux, NetBSD and ELF targets on the assumption that they will
7358 use C libraries with the __cxa_atexit function.
7360 2006-03-02 Ben Elliston <bje@au.ibm.com>
7362 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7363 parameter as unused to suppress a build warning.
7365 2006-03-02 Ben Elliston <bje@au.ibm.com>
7367 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7370 2006-03-01 Roger Sayle <roger@eyesopen.com>
7373 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7374 declared name, the weak reference name, and the typeof name.
7375 (__gthrw): Avoid expanding the declared name suffix.
7376 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7378 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7380 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7382 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7383 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7384 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7385 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7386 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7387 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7388 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7389 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7390 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7391 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7392 (DW_END_default, DW_END_big, DW_END_little): New.
7393 (DW_END_lo_user, DW_END_hi_user): Define.
7394 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7395 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7396 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7399 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7401 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7403 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7405 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7407 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7409 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7410 to 'symbol_mem_tag'.
7412 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7415 2006-03-01 Roger Sayle <roger@eyesopen.com>
7417 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7419 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7422 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7423 MACHO_DYNAMIC_NO_PIC_P.
7424 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7426 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7429 * config/darwin-protos.h (darwin_asm_output_anchor):
7431 * config/darwin-sections.def (cstring_section):
7432 Add SECTION_MERGE to the flags.
7433 (literal4_section): Likewise.
7434 (literal8_section): Likewise.
7435 (objc_selector_refs_section): Likewise.
7436 (objc_cls_refs_section): Likewise.
7437 * config/darwin.c (darwin_asm_output_anchor): New
7439 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7441 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7443 Fix PR tree-optimization/26443
7444 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7445 to todo and PROP_tmt_usage to properties_destroyed.
7446 * tree-ssa-ccp.c (pass_ccp): Ditto.
7447 (pass_store_ccp): Ditto.
7448 * tree-ssa-dom.c (pass_dominator): Ditto.
7450 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7452 * tree-ssa-operands.c: Cleanup whitespace.
7453 (get_asm_expr_operands): Move before first invocation.
7454 (get_indirect_ref_operands): Likewise.
7455 (get_tmr_operands): Likewise.
7456 (get_call_expr_operands): Likewise.
7457 (append_def): Likewise.
7458 (append_use): Likewise.
7459 (append_v_may_def): Likewise.
7460 (append_v_must_def): Likewise.
7461 (add_call_clobber_ops): Likewise.
7462 (add_call_read_ops): Likewise.
7463 (add_stmt_operand): Likewise.
7464 (add_virtual_operand): Likewise.
7465 (build_ssa_operands): Likewise.
7467 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7472 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7473 with a call expr to ...
7474 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7476 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7478 * tree-vrp.c (extract_range_from_assert): Remove special
7479 handling for types with super-types.
7481 2006-03-01 Ben Elliston <bje@au.ibm.com>
7483 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7484 and powerpc64-*-linux* configurations.
7485 * config/t-dfprules: New file.
7487 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7488 Compile dfp-bit.c from the source directory using -DWIDTH and
7489 $DFP_CFLAGS to control the compilation of that file, rather than
7490 generating width-specific versions in the build directory.
7491 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7492 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7494 2006-02-28 Zack Weinberg <zackw@panix.com>
7496 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7499 2006-02-28 Eric Christopher <echristo@apple.com>
7501 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7502 Set up IN_LIBGCC definition of TARGET_64BIT.
7503 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7505 2006-02-28 Roger Sayle <roger@eyesopen.com>
7508 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7509 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7510 cases via the construction of "expr != 0".
7512 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7514 * alias.c (alias_invariant, alias_invariant_size): Remove.
7515 (record_base_value): Remove.
7516 (memrefs_conflict_p): Don't look at alias_invariant.
7517 (end_alias_analysis): Don't free it.
7518 * alias.h (record_base_value): Remove prototype.
7520 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7521 Adam Nemet <anemet@caviumnetworks.com>
7523 * rtl.h (truncated_to_mode): Declare it.
7524 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7525 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7526 (RTL_HOOKS_INITIALIZER): Include it.
7527 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7528 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7529 reg_truncated_to_mode.
7530 * rtlanal.c (truncated_to_mode): Define it.
7531 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7533 2006-02-28 Jeff Law <law@redhat.com>
7535 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7536 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7537 the range allowed by TYPE_PRECISION.
7539 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7541 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7543 PR tree-optimization/26419
7544 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7547 2006-02-27 Zack Weinberg <zackw@panix.com>
7549 * doc/md.texi: Fix typo in previous change.
7551 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7555 2006-02-27 Zack Weinberg <zackw@panix.com>
7557 * rtl.def (define_constraint, define_register_constraint)
7558 (define_memory_constraint, define_address_constraint): New MD forms.
7559 * gensupport.c (process_rtx): Put define_constraint etc on the
7561 * genpreds.c (process_define_predicate): Adjust comment. Validate
7562 the name, and call validate_exp to validate the expression.
7563 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7564 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7565 all callers changed.
7566 (validate_exp, needs_variable, struct constraint_data)
7567 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7568 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7569 (const_dbl_constraints, constraint_max_namelen)
7570 (have_register_constraints, have_memory_constraints)
7571 (have_address_constraints, have_address_constraints)
7572 (have_extra_constraints, have_const_int_constraints)
7573 (have_const_dbl_constraints, mangle, add_constraint)
7574 (process_define_constraint, process_define_register_constraint)
7575 (write_enum_constraint_num, write_lookup_constraint)
7576 (write_insn_constraint_len, write_regclass_for_constraint)
7577 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7578 (write_insn_extra_memory_constraint)
7579 (write_insn_extra_address_constraint)
7580 (write_satisfies_constraint_fns): New.
7581 (write_tm_preds_h): If we have new-style constraint definitions,
7582 prototype the functions generated from them, and define the
7583 old constraint interface (still used by generic code) in terms of
7585 (write_insn_preds_c): If we have new-style constraint definitions,
7586 generate all relevant functions from those definitions.
7587 (main): Handle define_constraint etc.
7588 * genoutput.c (struct constraint_data, indep_constraints)
7589 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7590 (mdep_constraint_len): New data structures and functions, defined
7591 #ifdef USE_MD_CONSTRAINTS.
7592 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7593 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7594 use new logic to validate operand constraints against constraint
7596 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7598 * defaults.h: If none of the old-style constraint macros are
7599 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7600 old-style macros; and poison REG_CLASS_FROM_LETTER,
7601 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7603 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7604 * doc/md.texi: Document new constraint-definition mechanism and the
7605 C interface it provides. Remove references to old mechanism
7606 elsewhere in the document.
7607 (Machine Constraints): Use pathnames relative to gcc directory,
7608 i.e. config/ARCH/FILE. Change i386 section to refer to
7609 config/i386/predicates.md; update that section to match docstrings.
7610 * doc/tm.texi: Move all documentation of the old constraint-
7611 definition macros to their own section, clearly mark as obsolete.
7613 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7614 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7616 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7617 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7618 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7620 (splits and peepholes): Use satisfies_constraint_*.
7621 * config/i386/i386.c (memory_address_length)
7622 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7624 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7626 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7627 scalar operation to be put back into the loop.
7629 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7632 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7633 (extract_cie_info): Handle S flag in augmentation string.
7634 (execute_cfa_program): If context->signal_frame, execute also
7635 fs->pc == context->ra instructions.
7636 (uw_frame_state_for): If context->signal_frame, don't subtract one
7637 from context->ra to find FDE.
7638 (uw_update_context_1): Set context->signal_frame to
7640 (_Unwind_GetIPInfo): New function.
7641 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7642 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7644 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7645 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7646 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7647 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7648 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7649 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7650 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7651 x86_64_fallback_frame_state): Set fs->signal_frame.
7652 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7653 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7654 (frob_update_context): Likewise. Workaround missing S flag in
7655 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7656 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7657 Remove the psw_addr + 1 hack.
7659 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7661 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7662 with aggregates here.
7663 (find_func_aliases): Remove code for &<aggregate> from here.
7665 2006-02-26 Roger Sayle <roger@eyesopen.com>
7667 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7668 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7669 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7672 2006-02-26 Roger Sayle <roger@eyesopen.com>
7675 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7677 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7679 * opts.c (decode_options): Do not handle flag_strength_reduce.
7680 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7681 and OPT_fstrength_reduce.
7682 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7683 flag_prefetch_loop_arrays for being nonzero.
7684 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7686 (fprefetch-loop-arrays-rtl): Removed.
7687 (flag_prefetch_loop_arrays): Do not specify the value.
7689 * doc/passes.texi: Update documentation of loop optimizer
7691 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7692 -frerun-loop-opt): Remove.
7694 2006-02-26 Richard Guenther <rguenther@suse.de>
7696 PR tree-optimization/26421
7697 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7698 in function calls that are ADDR_EXPRs as using the whole structure.
7700 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7702 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7703 * tree-pass.h (pass_loop_optimize): Remove.
7704 * passes.c (pass_loop_optimize): Never run it.
7705 * toplev.c (backend_init): Don't call init_loop.
7706 * opts.c (flag_loop_optimize_set): Remove.
7707 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7708 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7709 the old RTL loop optimizer when profiling enabled.
7710 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7711 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7712 pre-headers for the sake of the old RTL loop optimizer.
7713 * Makefile.in: Remove all references to loop.o.
7715 * doc/invoke.texi: Remove all references to -floop-optimize
7716 and -frerun-loop-opt.
7718 2006-02-26 Zack Weinberg <zackw@panix.com>
7720 * doc/md.texi (Machine Constraints): Refer to all files with paths
7721 relative to gcc directory (i.e. config/CPU/file). Add missing
7722 @table @code ... @end table to M32C subsection.
7724 2006-02-26 Roger Sayle <roger@eyesopen.com>
7726 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7728 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7730 2006-02-26 Roger Sayle <roger@eyesopen.com>
7731 James A. Morrison <phython@gcc.gnu.org>
7734 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7735 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7736 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7737 signedness of the shift operation.
7739 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7741 PR tree-optimization/26359
7742 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7744 2006-02-25 Roger Sayle <roger@eyesopen.com>
7746 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7747 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7748 as X == 0, and some symmetry related transformations.
7749 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7751 2006-02-25 Roger Sayle <roger@eyesopen.com>
7754 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7755 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7756 symmetry related transformations. Fold (X^C1) == C2 as
7759 2006-02-25 Juergen Weigert <jw@suse.de>
7760 Richard Guenther <rguenther@suse.de>
7762 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7764 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7766 * combine.c (gen_lowpart_or_truncate): Call
7767 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7769 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7771 * doc/invoke.texi: Move -fopenmp description to "Options for
7773 Remove reference to -lgomp.
7775 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7777 * doc/install.texi: Require GNU tar version 1.14.
7779 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7781 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7782 * doc/invoke.texi (C++ Dialect Options): Document
7783 -fno-use-cxa-get-exception-ptr.
7784 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7785 * configure: Regenerate.
7786 * c.opt (fuse-cxa-get-exception-ptr): New.
7787 * c-opts.c (c_common_handle_option): Handle
7788 OPT_fuse_cxa_get_exception_ptr.
7789 * c-common.c (flag_use_cxa_atexit): Update documentation.
7790 (flag_use_cxa_get_exception_ptr): New.
7791 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7792 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7794 (C_COMMON_OVERRIDE_OPTIONS): New.
7796 2006-02-24 Roger Sayle <roger@eyesopen.com>
7799 * combine.c (try_combine): Explicitly check whether GET_CODE is
7800 a SET or a CLOBBER, instead on checking that it isn't a USE.
7802 2006-02-24 Roger Sayle <roger@eyesopen.com>
7804 * fold-const.c (fold_comparison): New subroutine of fold_binary
7805 containing transformations common to both the equality and
7806 ordering relational operators, factored out of fold_binary.
7807 (fold_binary): Separate out the equality operators (EQ_EXPR
7808 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7809 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7810 transformations common to both.
7811 (fold_div_compare): Fix latent bugs in the previously unreachable
7812 LT_EXPR and GE_EXPR cases.
7814 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7816 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7817 decl libname for clog to __clog on AIX.
7819 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7821 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7824 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7825 output traceback table for thunks. Localise rs6000_stack_info call.
7827 2006-02-23 Roger Sayle <roger@eyesopen.com>
7828 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7830 * gthr-posix.h (__gthrw): Fix typo in comment.
7832 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7834 * doc/cpp.texi (Character sets): Document that we do support
7835 input files to be in any character set.
7837 2006-02-23 Jeff Law <law@redhat.com>
7839 * tree.h (PHI_ARG_NONZERO): Remove.
7840 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7841 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7842 node to the new node.
7844 PR tree-optimization/26425
7845 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7846 min/max, then assume its varying.
7848 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7850 PR rtl-optimization/26316
7851 * rtlanal.c (enum may_trap_p_flags): New.
7852 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7853 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7854 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7855 (may_trap_after_code_motion_p): New function.
7856 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7857 (find_invariant_insn): Use may_trap_after_code_motion_p.
7858 * rtl.h (may_trap_after_code_motion_p): Declare.
7860 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7862 * emit-rtl.c (immed_double_const): Cleanup.
7864 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7866 Fix PR tree-optimization/26376
7867 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7870 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7873 * gimplify.c (omp_add_variable): Guard variable size decl test with
7874 DECL_SIZE (decl) check.
7876 2006-02-23 Richard Guenther <rguenther@suse.de>
7879 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7880 like aggregate types.
7882 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7884 * configure.ac: Add --with{,out}-long-double-128 configure option.
7885 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7886 * configure: Rebuilt.
7887 * config.in: Rebuilt.
7888 * doc/install.texi (Options specification): Document
7889 --with-long-double-128.
7891 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7892 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7893 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7894 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7896 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7898 * config/s390/s390.c (override_options): Handle
7899 TARGET_DEFAULT_LONG_DOUBLE_128.
7901 * config/alpha/alpha.c (override_options): Handle
7902 TARGET_DEFAULT_LONG_DOUBLE_128.
7904 * config/sparc/sparc.c (sparc_override_options): Handle
7905 TARGET_DEFAULT_LONG_DOUBLE_128.
7907 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7909 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7910 (real-install-headers-tar, real-install-headers-cpio)
7911 (real-install-headers-cp): New targets.
7913 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7915 * tree.h (variable_section): Delete.
7916 * varasm.c (variable_section): Delete.
7918 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7920 * install.texi: Add notes on install.texi2html.
7921 (Building in parallel): Do not use footnotes.
7923 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7926 * doc/install.texi (Configuration): Document --disable-libgomp.
7928 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7930 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7932 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7934 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7935 (vec_extractv2df_0_sse): New.
7937 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7939 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7940 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7941 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7942 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7943 to the result of the expression.
7944 (def_cfa_1): Adjust.
7945 (frame_pointer_cfa_offset): Rename to...
7946 (frame_pointer_fb_offset): ... this. Adjust all uses.
7947 (convert_cfa_to_loc_list): Rename to...
7948 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7949 Pass it on to build_cfa_loc.
7950 (compute_frame_pointer_to_cfa_displacement): Rename to...
7951 (compute_frame_pointer_to_fb_displacement): ... this. New
7952 offset parameter. Use it in computation.
7953 (gen_subprogram_die): Compute cfa_fb_offset with the new
7954 macro, and use it to compute the fb loc list and the
7957 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7959 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7960 replaced with register_operand.
7961 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7962 non-DREG is expensive.
7963 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7964 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7967 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7969 * doc/install.texi2html: Use set -e.
7971 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7973 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7974 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7975 * doc/invoke.texi (-fshared-data): Delete.
7976 * common.opt (fshared-data): Delete.
7977 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7978 (assemble_static_space): Remove #if 0 code.
7979 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7980 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7981 * config/cris/cris.h: Remove FIXME.
7983 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7985 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7988 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7991 * combine.c (simplify_shift_const_1): Disable nested shifts
7992 optimization for vector shifts.
7994 2006-02-20 Roger Sayle <roger@eyesopen.com>
7996 PR tree-optimization/26361
7997 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7998 of unsigned integer types.
8000 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8002 * tree-chrec.c (eq_evolutions_p): New.
8003 * tree-chrec.h (eq_evolutions_p): Declared.
8004 * tree-data-ref.c: Fix formatting.
8005 (datadep_stats, dependence_stats): New.
8007 (print_direction_vector): New.
8008 (dump_data_dependence_relation): Use print_direction_vector.
8009 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8010 (compute_subscript_distance): Static.
8011 (initialize_data_dependence_relation): Static. Get the number
8012 of loops surrounding the references from the callers, and initialize
8013 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8014 base_object_differ_p analyzers.
8015 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8016 compute_overlap_steps_for_affine_1_2,
8017 analyze_subscript_affine_affine): Count the classified dependences.
8018 Print a message when a test failed.
8019 (can_use_analyze_subscript_affine_affine): New.
8020 (analyze_siv_subscript): Compute the data dependences on symbolic
8021 scevs that verify can_use_analyze_subscript_affine_affine.
8022 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8023 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8024 Handle symbolic scevs.
8025 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8027 (subscript_dependence_tester): Moved...
8028 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8029 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8030 DDR_SIZE_VECT instead of getting it in parameter.
8031 (subscript_dependence_tester): ... here. Take as a parameter
8032 loop_nest_depth. Call build_classic_dist_vector and
8033 build_classic_dir_vector.
8034 (compute_affine_dependence): Update subscript_dependence_tester
8035 parameters. Update datadep_stats counters. Call
8036 compute_subscript_distance.
8037 (compute_self_dependence): Save the dist and dir vectors. Call
8038 compute_subscript_distance.
8039 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8040 (compute_all_dependences): Reorder parameters as they were before
8041 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8042 compute_subscript_distance. Update the use of
8043 compute_affine_dependence and initialize_data_dependence_relation.
8044 (find_data_references_in_loop): Handle COMPONENT_REF.
8045 (compute_data_dependences_for_loop): Initialize dependence_stats.
8046 Don't call build_classic_dist_vector and build_classic_dir_vector.
8047 Update the parameters of initialize_data_dependence_relation and
8048 compute_all_dependences. Print the statistics from datadep_stats.
8049 (analyze_all_data_dependences): Static. Not used until the pass for
8050 checking the data dependences is contributed.
8051 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8052 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8053 (initialize_data_dependence_relation, compute_affine_dependence,
8054 analyze_all_data_dependences, compute_subscript_distance): Removed.
8055 (print_direction_vector): New.
8056 * lambda.h (gcd): ... here.
8057 (lambda_vector_gcd): Moved here from gcd_vector.
8058 * lambda-code.c (gcd, gcd_vector): Removed.
8059 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8060 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8062 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8064 * ipa-type-escape.c: Tidy some comments and white space.
8065 * tree-ssa-operands.c: Likewise.
8067 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8070 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8071 (dump_decl_name): Do not walk the decl tree chains.
8072 * tree-pass.h (TDF_CHAIN): Remove.
8074 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8076 * Makefile.in (C): Remove
8078 (.PHONY): Remove C and PROTO
8080 2006-02-20 Roger Sayle <roger@eyesopen.com>
8083 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8084 deprecated CHAR_TYPE tree code.
8086 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8088 * configure.ac (target_list): Add install-info, dvi, html.
8089 * configure: Regenerate.
8091 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8092 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8093 treelang/Make-lang.in: Do not use double-colon rules.
8095 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8097 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8098 (TMT_USED_ALONE): New macro.
8099 * tree-pass.h (PROP_tmt_usage): New property.
8100 (TODO_update_tmt_usage): New todo.
8101 * tree-ssa-alias.c (updating_used_alone): New variable.
8102 (recalculate_used_alone): New function.
8103 (compute_may_aliases): Set updating_used_alone, call
8104 recalculate_used_alone.
8105 * tree-sra.c (pass_sra): Note that this pass destroys
8106 PROP_tmt_usage, and add TODO_update_tmt_usage.
8107 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8108 * tree-flow.h (updating_used_alone): Prototype.
8109 (recalculate_used_alone): Ditto.
8110 * passes.c (execute_todo): Add code to set updating_used_alone,
8111 and call recalculate.
8112 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8113 for clobber if used alone, and add assert to verify used_alone
8116 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8118 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8119 for non tls symbols added.
8120 (legitimize_address): Do nothing for PLUS expressions if one of the
8121 addends is a tls symbol reference.
8123 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8127 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8129 * Makefile.in (BOOTSTRAPPING): New.
8130 (quickstrap): New definition if BOOTSTRAPPING=yes.
8132 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8133 * configure.ac: Substitute all_selected_languages with the languages
8134 that were configured. For all the other variables except
8135 lang_specs_files, include all the languages in the tree.
8136 * configure: Regenerate.
8138 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8139 if there is one. Run the commands to run fixincludes in the same
8142 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8143 * doc/install.texi: Document exact conventions for searching target tools.
8144 Document --with-build-time-tools. Document toplevel bootstrap. Document
8145 something more about building an Ada cross-compiler. Don't list GNU Make
8146 requirements which affect all platforms.
8148 2006-02-19 Roger Sayle <roger@eyesopen.com>
8151 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8152 only equivalent if the have both the same mode and precision.
8154 2006-02-20 Ben Elliston <bje@au.ibm.com>
8156 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8158 2006-02-19 Roger Sayle <roger@eyesopen.com>
8159 Steven Bosscher <stevenb.gcc@gmail.com>
8161 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8162 constant pool references to identify stack mode constants.
8163 * rtlanal.c (constant_pool_constant_p): New predicate to check
8164 whether operand is a floating point constant in the pool.
8165 * rtl.h (constant_pool_constant_p): Prototype here.
8166 * loop.c (scan_loop): Avoid hoisting constants from the constant
8167 pool on STACK_REGS targets.
8168 (load_mems): Likewise.
8169 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8170 loads into x87 registers expensive in terms of register pressure.
8172 2006-02-19 Roger Sayle <roger@eyesopen.com>
8174 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8175 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8177 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8179 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8180 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8182 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8184 * doc/invoke.texi: Document -fipa-pta.
8185 * common.opt: Add ipa-pta option.
8186 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8187 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8188 (do_ds_constraint): Ditto.
8189 (get_constraint_for): Only add to referenced_vars if
8190 referenced_vars exists.
8191 (insert_into_field_list): Rewrite to do this unsorted.
8192 (insert_into_field_list_sorted): Rename old insert_into_field_list
8194 (create_function_info_for): Use insert_into_field_list_sorted.
8195 (create_variable_info_for): Rewrite so it uses unsorted version,
8196 since the field list is sorted.
8197 (intra_create_variable_infos): Only add to referenced_vars if
8198 referenced_vars exists.
8199 (ipa_pta_execute): Init heapvars, and delete when done.
8200 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8202 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8204 * doc/install.texi: Add missing `@samp'.
8206 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8208 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8211 2006-02-18 Mark Wielaard <mark@klomp.org>
8213 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8214 who added new 4.1 features, bug fixes and integration support.
8216 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8219 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8222 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8224 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8225 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8226 (copy_insn_1): Likewise. Don't copy each field individually.
8228 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8230 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8231 * rtl.c (rtx_size): Rename variable to...
8232 (rtx_code_size): ...this.
8233 (rtx_size): New function.
8234 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8235 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8237 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8238 * rtl.h (rtx_code_size): New variable.
8239 (rtx_size): Change from a variable to a function.
8240 (RTX_SIZE): Rename to...
8241 (RTX_CODE_SIZE): ...this.
8244 PR tree-optimization/17106
8245 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8246 (Anchored Addresses): New section.
8247 * doc/invoke.texi (-fsection-anchors): Document.
8248 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8249 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8250 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8251 * hooks.c (hook_bool_mode_rtx_false): New function.
8252 * hooks.h (hook_bool_mode_rtx_false): Declare.
8253 * gengtype.c (create_optional_field): New function.
8254 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8255 SYMBOL_REF_IN_BLOCK_P is true.
8256 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8257 (min_anchor_offset, max_anchor_offset): Likewise.
8258 (use_anchors_for_symbol_p): New hook.
8259 * toplev.c (compile_file): Call output_object_blocks.
8260 (target_supports_section_anchors_p): New function.
8261 (process_options): Check that -fsection-anchors is only used on
8262 targets that support it and when -funit-at-a-time is in effect.
8263 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8264 if the decl doesn't have one.
8265 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8266 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8267 of force_const_mem through use_anchored_address.
8268 (expand_expr_constant): New function.
8269 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8270 calling expand_expr for INDIRECT_REF.
8271 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8272 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8273 * expr.h (use_anchored_address): Declare.
8274 * loop-unroll.c: Don't declare rtx vectors here.
8275 * explow.c: Include output.h.
8276 (validize_mem): Call use_anchored_address.
8277 (use_anchored_address): New function.
8278 * common.opt (-fsection-anchors): New switch.
8279 * varasm.c (object_block_htab, anchor_labelno): New variables.
8280 (hash_section, object_block_entry_eq, object_block_entry_hash)
8281 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8282 (use_blocks_for_decl_p, change_symbol_section): New functions.
8283 (get_variable_section): New function, split out from assemble_variable.
8284 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8285 use_blocks_for_decl_p say so. Use change_symbol_section if the
8286 symbol has already been created.
8287 (assemble_variable_contents): New function, split out from...
8288 (assemble_variable): ...here. Don't output any code for
8289 block symbols; just pass them to place_block_symbol.
8290 Use get_variable_section and assemble_variable_contents.
8291 (get_constant_alignment, get_constant_section, get_constant_size): New
8292 functions, split from output_constant_def_contents.
8293 (build_constant_desc): Create a block symbol if use_object_blocks_p
8294 says so. Or into SYMBOL_REF_FLAGS.
8295 (assemble_constant_contents): New function, split from...
8296 (output_constant_def_contents): ...here. Don't output any code
8297 for block symbols; just pass them to place_section_symbol.
8298 Use get_constant_section and get_constant_alignment.
8299 (force_const_mem): Create a block symbol if use_object_blocks_p and
8300 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8301 (output_constant_pool_1): Add an explicit alignment argument.
8302 Don't switch sections here.
8303 (output_constant_pool): Adjust call to output_constant_pool_1.
8304 Switch sections here instead. Don't output anything for block symbols;
8305 just pass them to place_block_symbol.
8306 (init_varasm_once): Initialize object_block_htab.
8307 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8308 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8309 (place_block_symbol, get_section_anchor, output_object_block)
8310 (output_object_block_htab, output_object_blocks): New functions.
8311 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8312 (TARGET_ASM_OUT): Include it.
8313 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8314 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8315 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8316 (TARGET_INITIALIZER): Include them.
8317 * rtl.c (rtl_check_failed_block_symbol): New function.
8318 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8319 (block_symbol, object_block): New structures.
8320 (rtx_def): Add a block_symbol field to the union.
8321 (BLOCK_SYMBOL_CHECK): New macro.
8322 (rtl_check_failed_block_symbol): Declare.
8323 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8324 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8325 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8326 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8327 * output.h (output_section_symbols): Declare.
8328 (object_block): Name structure.
8329 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8330 (default_use_anchors_for_symbol_p): Declare.
8331 * Makefile.in (RTL_BASE_H): Add vec.h.
8332 (explow.o): Depend on output.h.
8333 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8334 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8335 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8336 (rs6000_use_blocks_for_constant_p): New function.
8338 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8340 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8342 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8345 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8348 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8350 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8354 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8357 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8358 instead of DECL_REGISTER.
8360 2006-02-18 Olivier Hainque <hainque@adacore.com>
8363 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8365 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8368 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8369 * opth-gen.awk: Handle Var and InverseMask together.
8370 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8371 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8372 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8373 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8375 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8376 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8377 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8378 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8379 LINUX_DYNAMIC_LINKER): Define.
8380 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8381 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8383 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8384 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8385 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8386 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8387 (TARGET_C99_FUNCTIONS): Don't define.
8388 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8389 GLIBC_DYNAMIC_LINKER.
8390 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8391 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8392 GLIBC_DYNAMIC_LINKER64): Define.
8393 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8394 LINUX_DYNAMIC_LINKER64.
8395 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8397 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8398 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8399 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8400 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8401 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8402 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8403 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8404 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8405 and LINUX_DYNAMIC_LINKER32.
8406 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8407 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8408 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8409 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8410 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8412 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8413 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8414 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8415 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8416 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8417 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8418 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8419 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8420 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8421 LINUX_DYNAMIC_LINKER): Define.
8422 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8423 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8424 GLIBC_DYNAMIC_LINKER64): Define.
8425 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8426 LINUX_DYNAMIC_LINKER64.
8427 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8428 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8429 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8430 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8431 LINUX_DYNAMIC_LINKER): Define.
8432 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8433 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8434 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8435 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8436 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8437 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8438 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8439 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8440 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8441 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8443 * doc/invoke.texi (-muclibc): Remove caveat about supported
8446 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8448 * doc/cpp.texi (__TIMESTAMP__): Document.
8450 2006-02-17 Roger Sayle <roger@eyesopen.com>
8453 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8454 C is one less than the width of X (and related transformations).
8455 * simplify-rtx.c (simplify_unary_operation_1): Transform
8456 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8457 depending on STORE_FLAG_VALUE, were C is one less then the
8460 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8462 Fix PR tree-optimization/26341
8463 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8464 about NAME_MEMORY_TAG's.
8466 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8469 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8470 with hardware float support, and software float support. Add fcpy
8471 alternative to hardware patterns. Add alternatives to copy between
8472 general and floating-point registers to the 32-bit pattern.
8473 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8474 secondary reload to load a QI or HI mode constant into a floating
8476 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8477 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8479 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8482 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8484 (load_macho_picbase_di): Likewise.
8486 2006-02-16 Jeff Law <law@redhat.com>
8488 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8489 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8490 (ssa_name_nonzero_p): Likewise.
8491 (get_value_range): Return NULL if VRP is not running.
8492 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8493 VRP routines do not discover a range.
8494 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8495 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8496 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8497 (tree_expr_nonnegative_p): Similarly.
8498 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8499 (restore_nonzero_vars_to_original_value): Remove.
8500 (unsafe_associative_fp_binop): Remove.
8501 (tree_ssa_dominator_optimize): Remove initialization and
8502 finalization of nonzero_vars and nonzero_vars_stack.
8503 (dom_opt_initialize_block): No longer push marker on
8505 (dom_opt_finalize_block): No longer call
8506 restore_nonzero_vars_to_original_value.
8507 (record_equivalences_from_phis): No longer look for
8508 nonzero PHI arguments.
8509 (cprop_into_successor_phis): No longer propagate nonzero
8510 property into PHI arguments. Lose unused argument. Caller
8512 (record_equivalences_from_stmt): No longer record nonzero
8513 values for SSA_NAMEs.
8514 (lookup_avail_expr): No longer use nonzero_vars.
8516 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8517 for sizetype when sizetype is unsigned.
8519 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8521 PR rtl-optimization/25603
8522 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8523 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8524 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8525 with new meaning of SETS.
8527 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8532 * config/linux.opt: New file.
8533 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8534 LINUX_DYNAMIC_LINKER): Define.
8535 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8536 * config.gcc (*-*-linux*): Define extra_options.
8537 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8538 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8539 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8540 GLIBC_DYNAMIC_LINKER.
8541 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8542 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8543 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8545 * doc/invoke.texi (GNU/Linux Options): New section.
8547 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8549 * config/sparc/sparc.md (setjmp): Rewrite.
8550 (setjmp_32): Delete.
8551 (setjmp_64): Likewise.
8553 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8555 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8558 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8560 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8563 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8565 PR rtl-optimization/26296
8566 * Makefile.in (loop-invariant.c): Add except.h dependency.
8567 * loop-invariant.c: Include except.h.
8568 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8570 2005-02-16 Paul Brook <paul@codesourcery.com>
8572 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8575 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8577 PR rtl-optimization/25636
8578 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8579 when deciding whether an insn is an initializing insn.
8581 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8583 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8584 (tree_code_size): Ditto.
8585 * tree.h (struct tree_memory_tag): Remove parent_var.
8586 (struct tree_struct_field_tag): New.
8589 (union tree_node): Add sft member.
8590 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8592 (create_sft): Add size and offset argument, set SFT_OFFSET and
8594 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8595 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8596 * tree-flow-inline.h (get_subvar_at): Update for
8597 SFT_OFFSET/SFT_SIZE.
8598 (var_can_have_subvars): Ditto.
8599 (overlap_subvar): Ditto.
8600 * print-tree.c (print_node): Print out interesting things for
8602 * tree-flow.h (struct subvar): Remove offset and size members.
8603 * tree-ssa-operands.c (get_expr_operands): Update for
8604 get_indirect_ref_operands changes.
8605 (get_indirect_ref_operands): Call add_virtual_operand instead of
8606 add_stmt_operand. Only recurse on base var if requested.
8607 (access_can_touch_variable): New function.
8608 (add_stmt_operand): Split virtual operand handling into ...
8609 (add_virtual_operand): Here. Add offset, size, and for_clobber
8610 arguments. Prune alias sets.
8611 (add_call_clobber_ops): Call add_virtual_operand.
8613 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8616 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8618 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8619 than TREE_CODE as index into omp_clause_num_ops array.
8621 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8623 PR rtl-optimization/26184
8624 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8626 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8627 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8628 must_precede, must_follow and tobe_scheduled.
8631 * opts.c (common_handle_option): Free new_option pointer.
8632 * df-core.c (df_analyze): Free postorder pointer.
8634 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8636 * Makefile.in: Fix the examples about the use of stamps
8638 2006-02-15 Michael Matz <matz@suse.de>
8642 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8643 influenced by maximum_field_alignment or DECL_PACKED.
8644 (update_alignment_for_field): Ditto.
8645 (place_field): Ditto.
8646 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8649 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8651 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8652 (debug_flow_info): Pass it.
8653 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8654 * bb-reorder.c (reorder_basic_blocks): Likewise.
8655 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8656 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8657 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8658 * gcse.c (gcse_main, bypass_jumps): Likewise.
8659 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8660 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8661 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8662 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8663 * rtl.h (dump_flow_info): Adjust prototype.
8664 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8665 * var-tracking.c (variable_tracking_main): Likewise.
8666 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8667 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8670 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8672 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8675 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8677 PR tree-optimization/26209
8678 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8679 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8681 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8683 2006-02-14 Roger Sayle <roger@eyesopen.com>
8686 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8687 (X,Y) and the corresponding symmetry related transformations.
8688 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8689 (X,Y) and its symmetry related transformations.
8691 2006-02-14 Roger Sayle <roger@eyesopen.com>
8693 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8696 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8698 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8700 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8703 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8704 support COMDAT group.
8705 * configure: Regenerate.
8707 2006-02-14 Roger Sayle <roger@eyesopen.com>
8712 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8714 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8716 Fix PR tree-optimization/26260
8718 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8720 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8721 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8722 * tree-ssa-structalias.c (create_variable_info_for): Use
8723 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8725 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8727 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8729 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8730 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8731 of the ending condition.
8732 * tree-ssa-loop-manip.c: Include params.h.
8733 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8734 tree_unroll_loop): New functions.
8735 * tree-pass.h (pass_loop_prefetch): Declare.
8736 * loop.c (rest_of_handle_loop_optimize): Test for
8737 -fprefetch-loop-arrays-rtl.
8738 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8739 * timevar.def (TV_TREE_PREFETCH): New timevar.
8740 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8741 pass_loop_prefetch): New.
8742 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8743 (cleanup_tree_cfg_loop): Call scev_reset.
8744 * common.opt (fprefetch-loop-arrays-rtl): Add.
8745 * tree-ssa-loop-prefetch.c: New file.
8746 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8747 (new_temp_expr_table): Initialize expr_vars.
8748 (free_temp_expr_table): Cleanup expr_vars.
8749 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8750 expressions from being merged into one.
8751 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8752 (struct tree_niter_desc): Add control, bound and cmp fields.
8753 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8755 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8756 (tree-cfgcleanup.o): Add SCEV_H dependency.
8757 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8758 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8760 2006-02-14 Richard Guenther <rguenther@suse.de>
8762 PR tree-optimization/26258
8763 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8764 in PHI argument processing.
8766 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8768 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8769 new expression in the requested machine mode.
8771 2006-02-13 Roger Sayle <roger@eyesopen.com>
8773 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8774 directly, instead let do_compare_rtx_and_jump handle this for us.
8775 * expr.c (expand_expr_real_1): Likewise.
8776 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8777 before do_jump_by_parts_greater.
8778 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8779 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8781 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8783 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8785 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8787 PR rtl-optimization/26235
8788 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8789 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8792 2006-02-13 Jeff Law <law@redhat.com>
8794 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8797 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8800 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8801 twice if decl is a builtin. When trying again, call get_callee_fndecl
8802 first to verify it is still a builtin.
8804 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8806 * dwarf2out.c (base_type_die): Don't add AT_name here.
8807 (subrange_type_die): Don't add AT_name here.
8808 (modified_type_die): Rearrange code flow. Do add AT_name here.
8810 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8812 PR rtl-optimization/26247
8813 PR rtl-optimization/26248
8814 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8816 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8818 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8819 * config/fixtfdi.c: Likewise.
8820 * config/fixunstfdi.c: Likewise.
8821 * config/floatditf.c: Likewise.
8823 2006-02-13 Roger Sayle <roger@eyesopen.com>
8826 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8827 into (X,C2) if C1 is a subset of the bits of C2. Transform
8828 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8830 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8832 2006-02-13 Josh Conner <jconner@apple.com>
8835 * varasm.c (function_section): Check for section name before
8836 calling select_section on targets that define
8837 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8838 unlikely_text_section instead of hot_function_section if
8839 first_function_block_is_cold.
8841 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8844 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8846 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8848 PR rtl-optimization/26222
8849 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8850 after tree->rtl expansion.
8851 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8852 before passing it to emit_move_insn.
8854 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8856 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8858 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8859 Clarify documentation.
8860 * c-common.h (warn_write_strings): Remove.
8861 * c-common.c (warn_write_strings): Likewise.
8862 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8865 2006-02-12 Roger Sayle <roger@eyesopen.com>
8868 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8869 (do_jump_parts_zero_rtx): New function renamed from
8870 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8871 (do_jump_parts_equality_rtx): New function split out from
8872 do_jump_parts_equality. Old implementation renamed as above.
8873 Call do_jump_parts_zero_rtx if either operand is zero.
8874 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8875 do all of the heavy lifting.
8876 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8877 calling either do_jump_by_parts_greater_rtx or
8878 do_jump_by_parts_equality_rtx.
8879 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8880 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8881 moved to do_compare_rtx_and_jump, call it directly.
8882 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8883 mode argument. Call do_compare_rtx_and_jump.
8884 (emit_case_nodes): Update calls to do_jump_if_equal.
8886 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8888 PR rtl-optimization/26225
8889 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8891 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8893 PR rtl-optimization/26232
8894 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8896 2006-02-11 Jason Merrill <jason@redhat.com>
8899 * tree-inline.c (declare_return_variable): Just don't use the
8900 modify target if it's a gimple complex reg and the return slot
8903 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8905 * doc/contrib.texi: Update my entry.
8907 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8909 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8911 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8913 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8916 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8918 * doc/invoke.texi (-floop-optimize2): Removed.
8919 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8920 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8921 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8922 * common.opt (floop-optimize2): Removed.
8923 (fmove-loop-invariants): Enabled by default.
8925 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8927 * tree-if-conv.c (combine_blocks): Free the result of
8928 get_loop_exit_edges.
8930 2006-02-10 Jeff Law <law@redhat.com>
8932 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8934 PR tree-optimization/26213
8935 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8936 loop trying to follow SSA_NAME_VALUE chains.
8938 2006-02-10 Richard Guenther <rguenther@suse.de>
8940 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8941 deal with structures that end in implicitly variable sized arrays.
8943 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8945 PR rtl-optimization/24762
8946 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8949 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8951 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8952 (struct ivopts_data): Add regs_used field.
8953 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8954 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8955 instead of loop_data->regs_used;
8956 (free_loop_data): Do not free aux fields for loops.
8957 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8958 and tree_ssa_iv_optimize_finalize.
8960 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8962 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8964 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8967 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8968 computing the effective result type.
8970 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8973 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8974 (tree_overlaps_hard_reg_set): Declare.
8975 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8976 type and signature to match function type expected by walk_tree.
8977 (tree_overlaps_hard_reg_set): New function.
8978 (decl_conflicts_with_clobbers_p): Rename to:
8979 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8980 Use tree_overlaps_hard_reg_set. Changed caller.
8981 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8982 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8983 * cris.c (cris_md_asm_clobbers): Likewise.
8985 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8987 * reload1.c (emit_input_reload_insns): Delete code that tries to
8988 inherit using find_equiv_reg.
8990 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8992 * c-common.h (flag_const_strings): Don't declare.
8993 * c-common.c (flag_const_strings): Remove.
8994 * c.opt (fconst_strings): Remove.
8995 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8996 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8997 (c_common_init_options): Don't set flag_const_strings.
8998 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9000 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9002 * arm.md (tlobits_cbranch): New pattern.
9003 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9004 testing a single bit.
9006 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9009 * tree-ssa-pre.c (create_component_ref_by_pieces):
9010 Handle RETURN_DECL like VAR_DECL.
9012 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9015 * fold-const.c (fold_indirect_ref_1): Fold
9016 "*(foo *)&complexfoo" to "__real__ complexfoo"
9017 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9019 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9021 * tree-flow-inline.h (var_can_have_subvars):
9022 Volatile variables should not have subvariables.
9024 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9027 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9028 multiplying unsigned values.
9031 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9033 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9035 2006-02-08 Jason Merrill <jason@redhat.com>
9038 * tree.def: Elaborate on difference from MODIFY_EXPR.
9039 * doc/c-tree.texi (INIT_EXPR): Likewise.
9040 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9041 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9042 (gimplify_target_expr): Likewise.
9043 (gimplify_cond_expr): Remove target handling.
9044 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9045 (gimplify_expr): Clobber it here.
9046 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9047 Do return slot optimization if we have an INIT_EXPR.
9050 * tree-inline.c (declare_return_variable): Also clear
9051 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9054 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9057 * gimplify.c (gimplify_one_sizepos): Fix typo.
9059 2006-02-08 Jeff Law <law@redhat.com>
9061 PR tree-optimization/21417
9062 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9063 across a backedge if the control statement at the end of the
9064 block is data dependent on other statements in the same block.
9065 (record_temporary_equivalences_from_stmts): Remove over-conservative
9066 test for threading across backedges.
9068 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9069 control statement, handle all three special cases in the same
9070 manner as they all have the same desired solution. No longer
9071 special case edge flag updating when the post dominator is
9074 2006-02-08 Roger Sayle <roger@eyesopen.com>
9076 * tree.def (CHAR_TYPE): Remove.
9077 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9078 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9079 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9080 (gen_string_type_die): Delete unreachable function.
9082 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9083 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9084 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9085 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9086 * builtins.c (type_to_class): Likewise.
9087 * fold-const.c (fold_convert, build_range_check,
9088 merge_ranges): Likewise.
9089 * expr.c (count_type_elements): Likewise.
9090 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9091 * stor-layout.c (layout_type): Likewise.
9092 * ipa-type-escape.c (type_to_consider): Likewise.
9093 * gimplify.c (omp_firstprivatize_type_sizes,
9094 gimplify_type_sizes): Likewise.
9095 * explow.c (promote_mode): Likewise.
9096 * tree-sra.c (is_sra_scalar_type): Likewise.
9097 * varasm.c (output_constant): Likewise.
9098 * tree-inline.c (remap_type_1): Likewise.
9099 * convert.c (convert_to_pointer, convert_to_real,
9100 convert_to_integer, convert_to_complex): Likewise.
9102 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9104 * df-scan.c (df_def_record_1): A set destination may
9105 be a parallel regardless of mode.
9107 2006-02-08 Roger Sayle <roger@eyesopen.com>
9110 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9111 * config/mips/_tilib.c: Remove.
9112 * config/fixtfdi.c: New libgcc source file.
9113 * config/fixunstfdi.c: New source file.
9114 * config/floatditf.c: New source file.
9115 * config/floatunditf.c: New souce file.
9116 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9117 files above instead of config/mips/_tilib.c.
9118 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9120 2006-02-08 Jeff Law <law@redhat.com>
9122 PR tree-optimization/26169
9123 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9126 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9128 * df.h (DF_REG_SIZE): Return the length of the initialized
9131 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9133 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9134 __muldf3): Return a correctly signed zero.
9136 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9138 * passes.c (register_one_dump_file): Accept the current properties
9139 instead of pass number. Adjust call to dump_register. Remove
9141 (register_dump_files): Now a wrapper around...
9142 (register_dump_files_1): ... this one. Do not modify the pass
9144 (next_pass_1): Cosmetic fix.
9145 (execute_todo): Keep second parameter only. Use curr_properties
9146 instead of fetching it from the pass structure. Check and set
9148 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9149 instead of fetching it from the pass structure. Fix calls to
9150 execute_todo. Update curr_properties and initialize .vcg RTL dump
9151 after running the pass. Reset last_verified.
9152 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9154 (FIRST_AUTO_NUMBERED_DUMP): New.
9155 (dump_register): Remove "num" parameter, assign it within the
9157 (get_dump_file_name): Modify template for dumps.
9158 * tree-dump.h (dump_register): Adjust prototype.
9159 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9160 (PROP_trees): Add PROP_gimple_lomp.
9161 (TODO_set_props): New.
9162 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9163 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9164 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9166 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9168 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9169 (sparc64-*-linux*): Likewise.
9170 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9171 * config/sparc/t-linux: New file.
9172 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9173 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9174 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9175 -m32 -mlong-double-128.
9177 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9178 * config/alpha/t-linux: New file.
9179 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9181 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9182 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9183 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9184 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9185 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9186 (CPP_ARCH32_SPEC): Remove.
9188 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9190 PR tree-optimization/26145
9191 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9194 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9197 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9198 >= 240000 when generating code for SOM runtime.
9199 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9200 to $$dyncall when generating code for SOM runtime..
9202 2006-02-07 Dirk Mueller <dmueller@suse.com>
9205 * doc/invoke.texi (-Wsequence-point): Update documentation
9206 that -Wsequence-point is implemented for C++ as well.
9208 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9210 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9211 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9212 (LIB_SPEC): Likewise.
9213 * doc/invoke.texi (SPARC options): Document -pthread.
9215 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9217 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9220 2006-02-07 Roger Sayle <roger@eyesopen.com>
9222 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9223 Correct comment describing BOOLEAN_TYPE.
9225 2006-02-07 Dirk Mueller <dmueller@suse.com>
9227 * c.opt: C++ frontend supports -Wdiv-by-zero.
9228 * c-opts.c (c_common_handle_option): Remove dead case.
9230 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9232 * configure.ac (TLS assembler check): Do not enable TLS by
9233 default on SPARC/Solaris before version 10.
9234 * configure: Regenerate.
9236 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9238 * doc/invoke.texi (xl-compat): Document conversion and support
9241 2006-02-07 Jeff Law <law@redhat.com>
9243 * tree-vrp.c (find_conditional_asserts): Update comments.
9244 (simplify_stmt_for_jump_threading): New.
9245 (identify_jump_threads, finalize_jump_threads): New.
9246 (vrp_finalize): Call identify_jump_threads.
9247 (execute_vrp): Call finalize_jump_threads.
9248 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9249 (vrp_element, vrp_data, vrp_element_p): Remove.
9250 (vrp_hash_elt, vrp_variables_stack): Remove.
9251 (vrp_hash, vrp_eq, record_range): Remove.
9252 (simplify_cond_and_lookup_avail_expr): Remove.
9253 (extract_range_from_cond): Remove.
9254 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9255 (simplify_stmt_for_jump_threading): New.
9256 (dom_thread_across_edge): New wrapper.
9257 (tree_ssa_dominator_optimize): No longer initialize or
9258 finalize any of the VRP datastructures. Remove iteration
9259 step and simplify as a result of removal of iteration step.
9260 (pass_dominator): Perform a cfg cleanup after DOM.
9261 (dom_opt_finalize_block): Use the new common routines
9262 for threading jumps. Simplify stack management slightly.
9263 No longer need to unwind VRP state.
9264 (record_equivalences_from_incoming_edge): No longer record
9266 (eliminate_redundant_computations): No longer call
9267 simplify_cond_and_lookup_avail_expr.
9268 * tree-flow.h (potentially_threadable_block): Prototype.
9269 (thread_across_edge): Likewise.
9270 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9271 (tree-ssa-threadedge.o): Add dependencies.
9272 * tree-ssa-threadedge.c: New file.
9273 * passes.c (init_optimization_passes): Merge PHIs before
9274 calling VRP. Run VRP again late in the SSA optimization pipeline.
9276 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9278 * df-core.c (df_set_blocks): Do not dereference function pointers.
9279 (df_finish1): Likewise.
9280 (df_hybrid_search_forward): Likewise.
9281 (df_hybrid_search_backward): Likewise.
9282 (df_iterative_dataflow): Likewise.
9283 (df_analyze_problem): Likewise.
9284 (df_compact_blocks): Likewise.
9285 (df_dump): Likewise.
9286 * df-scan.c (df_rescan_blocks): Likewise.
9287 (df_record_entry_block_defs): Likewise.
9289 * genconditions.c (write_conditions): Guard the definition of
9290 'insn_conditions' with the check on GCC version.
9291 (write_writer): Guard the traversal 'insn_conditions' with
9292 the check on GCC version.
9294 2006-02-07 Richard Guenther <rguenther@suse.de>
9298 2006-01-30 Richard Guenther <rguenther@suse.de>
9300 * gimplify.c (gimplify_target_expr): Handle easy cases
9301 without creating a temporary.
9303 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9305 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9306 use of float in probability computations. Use edge probabilities
9307 in place of statically computed probabilities.
9308 (min_spec_prob): New static variable.
9309 (schedule_insns): Initialize it.
9310 (GET_SRC_PROB): Removed.
9311 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9313 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9316 * config/ia64/unwind-ia64.c: Revert last change.
9317 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9318 (INCOMING_FRAME_SP_OFFSET): Define.
9320 2006-02-06 Roger Sayle <roger@eyesopen.com>
9322 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9324 2006-02-07 Ben Elliston <bje@au.ibm.com>
9326 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9327 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9328 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9329 (ix86_return_in_memory): Handle TDmode.
9330 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9331 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9333 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9335 * reorg.c (dbr_schedule): Use dump_file instead of file.
9337 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9340 * config/ia64/predicates.md (extr_len_operand): New predicate.
9341 * config/ia64/ia64.md (extv): Tighten constraints.
9343 (*tbit_and_2): Ditto.
9344 (*tbit_and_3): Ditto.
9345 (*tbit_or_2): Ditto.
9346 (*tbit_or_3): Ditto.
9350 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9353 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9355 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9357 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9358 loop_optimizer_init and loop_optimizer_finalize
9359 * tree-ssa-sink.c (execute_sink_code): Ditto.
9360 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9361 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9362 tree_ssa_loop_done): Ditto.
9363 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9364 * sched-ebb.c: Include output.h.
9365 (schedule_ebbs): Do not use dump argument.
9366 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9367 * loop.c (loop_dump_stream): Removed.
9368 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9370 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9371 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9372 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9373 loop_iterations, strength_reduce, record_biv, record_giv,
9374 final_giv_value, check_final_value, check_ext_dependent_givs,
9375 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9376 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9377 dump_file instead of loop_dump_stream.
9378 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9380 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9382 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9383 * haifa-sched.c: Include output.h
9384 (schedule_insns, sched_init): Do not use dump argument.
9385 * mode-switching.c (optimize_mode_switching): Ditto.
9386 * modulo-sched.c (stats_file): Removed.
9387 (print_node_sched_params): Do not call argument dump_file.
9388 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9389 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9391 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9393 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9394 rtl_loop_init, rtl_loop_done): Ditto.
9395 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9396 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9398 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9399 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9400 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9401 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9402 * emit-rtl.c (renumber_insns): Ditto.
9403 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9404 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9405 * regclass.c (regclass): Ditto.
9406 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9407 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9408 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9409 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9411 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9412 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9414 * gcse.c (gcse_file, debug_stderr): Removed.
9415 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9416 rest_of_handle_gcse): Do not use dump argument.
9417 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9418 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9419 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9420 compute_code_hoist_vbeinout, compute_code_hoist_data,
9421 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9422 compute_store_table, build_store_vectors, insert_insn_start_bb,
9423 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9424 store_motion): Use dump_file instead of gcse_file.
9425 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9426 * profile.c (profile_dump_file): Removed.
9427 (branch_prob): Use dump_file instead of profile_dump_file.
9428 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9430 * tree-ssa-copy.c (dump_copy_of): Ditto.
9431 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9432 dump file to life_analysis.
9433 * bt-load.c (branch_target_load_optimize): Ditto.
9434 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9436 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9437 regclass, dbr_schedule): Declaration changed.
9438 * sched-int.h (sched_init): Declaration changed.
9439 * tree-profile.c (tree_profile_dump_file): Removed.
9440 (tree_profile_hooks): Removed profile_dump_file hook.
9441 * rtl-profile (rtl_profile_dump_file): Removed.
9442 (rtl_profile_hooks): emoved profile_dump_file hook.
9443 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9445 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9446 * tree-cfg.c (build_tree_cfg): Ditto.
9447 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9448 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9449 Declaration changed.
9450 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9451 life_analysis and schedule_insns.
9452 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9454 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9456 * config/mips/mips.c (mips_reorg): Ditto.
9457 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9460 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9462 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9463 (s390_mangle_fundamental_type): New.
9464 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9467 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9468 (alpha_mangle_fundamental_type): New.
9469 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9472 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9474 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9476 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9477 (sparc_mangle_fundamental_type): New.
9479 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9481 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9482 (s390x-*-linux*): Likewise.
9483 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9484 * config/s390/t-linux: New file.
9486 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9488 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9489 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9491 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9493 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9494 (ANTIC_SAFE_LOADS): New macro.
9495 (find_or_generate_expression): Add prototype.
9496 (set_contains_value): Allow null set for sake of not always having
9497 to allocate ANTIC_SAFE_LOADS.
9498 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9499 Allow COMPONENT_REF too.
9500 (valid_in_set): Allow COMPONENT_REF.
9501 Check ANTIC_SAFE_LOADS too.
9502 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9503 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9505 (can_PRE_operation): Add COMPONENT_REF.
9506 (create_component_ref_by_pieces): New function.
9507 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9508 (insert_aux): Move AGGREGATE_TYPE_P check here.
9509 (compute_avail): Set bb local stmt uids.
9510 (pass_pre): Use TODO_update_ssa_only_virtuals.
9512 2006-02-06 Ben Elliston <bje@au.ibm.com>
9514 * configure.ac: Unconditionally disable decimal float by default.
9515 * configure: Regenerate.
9517 2006-02-06 Ben Elliston <bje@au.ibm.com>
9519 * read-rtl.c (read_name): Terminate reading on EOF.
9521 2006-02-06 Ben Elliston <bje@au.ibm.com>
9523 * dfp.c (decimal_real_arithmetic): Change second argument type
9524 from int to enum tree_code. Do not always return true, but now
9525 return result of any call to decimal_do helper functions.
9526 * dfp.h (decimal_real_arithmetic): Update prototype.
9528 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9530 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9532 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9535 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9538 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9540 * tree-vrp.c (cfg_loops): Removed.
9541 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9542 Use current_loops instead of cfg_loops. Pass flags to
9543 loop_optimizer_init.
9544 * cfgloopmanip.c (fix_loop_structure): Update only available
9546 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9547 loop_optimizer_init.
9548 * modulo-sched.c (build_loops_structure): Removed.
9549 (sms_schedule): Use loop_optimizer_init.
9550 * loop-init.c (loop_optimizer_init): Use flags to determine
9551 which properties of loops to prepare.
9552 (rtl_loop_init): Pass flags to loop_optimizer_init.
9553 * tree-ssa-sink.c (execute_sink_code): Ditto.
9554 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9555 * tree-ssa-pre.c (init_pre): Ditto.
9556 * cfgloop.h (LOOPS_NORMAL): New.
9557 (loop_optimizer_init): Declaration changed.
9559 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9561 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9562 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9564 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9566 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9568 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9569 * pa/t-pa64: Delete quadlib.c rule.
9570 * pa/x-ada: Revert last change.
9571 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9573 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9575 PR rtl-optimization/26087
9576 * rtlanal.c (canonicalize_condition): Do not cross basic block
9579 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9582 * config/ia64/ia64.c: Include debug.h.
9583 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9584 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9585 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9586 (process_epilogue, process_set, process_for_unwind_directive):
9587 Output unwind info only if requested. Add CFA info if requested.
9588 Add new arguments as needed. Adjust callers.
9589 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9591 (DWARF2_FRAME_INFO): Define to zero.
9592 * config/ia64/unwind-ia64.c: Remove code that compensated for
9593 the CFA offset error fixed above.
9594 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9595 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9596 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9597 -funwind-tables and -fexceptions to enable frame info.
9598 (dwarf2out_frame_init): Define initial CFA even if
9599 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9600 DWARF2_UNWIND_INFO is nonzero, not just defined.
9601 (dwarf2out_frame_finish): Output non-EH call frame info only
9602 if DWARF2_FRAME_INFO is nonzero.
9603 (convert_cfa_to_loc_list,
9604 compute_frame_pointer_to_cfa_displacement): Define even if
9605 unwind info is not supported.
9606 (gen_subprogram_die): Use the above unconditionally. Remove
9607 legacy alternate code.
9608 * toplev.c (compile_file): Compile in call to
9609 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9610 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9612 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9613 Jakub Jelinek <jakub@redhat.com>
9615 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9616 IBM extended float format long double as "g" on powerpc*-linux.
9618 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9621 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9622 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9624 2006-02-03 Jason Merrill <jason@redhat.com>
9627 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9630 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9631 on the return slot if it's an NRV.
9633 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9635 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9636 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9637 rewrite_use): Do not handle USE_OUTER.
9638 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9639 add_iv_outer_candidates, may_replace_final_value,
9640 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9641 (find_interesting_uses_op): Functionality of
9642 find_interesting_uses_outer_or_nonlin moved here.
9643 (find_interesting_uses_outside): Use find_interesting_uses_op.
9645 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9648 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9650 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9651 Ulrich Weigand <uweigand@de.ibm.com>
9654 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9655 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9656 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9657 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9659 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9660 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9661 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9662 Define secondary reloads for TFmode moves.
9663 (constant_modes): Add TFmode.
9664 (NR_C_MODES): Set to 8.
9665 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9667 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9668 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9669 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9670 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9671 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9672 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9673 (FPR mode macro): Add TFmode.
9674 (DSF mode macro): New.
9675 (<de>, <dee> mode attributes): Removed.
9676 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9677 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9678 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9679 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9680 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9681 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9682 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9683 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9684 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9685 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9686 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9687 "*negabs<mode>2", "sqrt<mode>2"):
9688 Changed <de> to <xde>. R constraint replaced by <Rf>.
9689 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9691 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9692 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9693 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9695 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9696 "extenddftf2", "extendsftf2"): New expanders.
9697 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9698 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9699 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9700 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9702 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9703 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9704 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9705 __floatditf): Add a GCC_4.1.0 symbol version tag.
9706 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9709 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9712 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9713 Use targetm.binds_local_p instead of TREE_PUBLIC.
9715 2006-02-02 Roger Sayle <roger@eyesopen.com>
9717 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9718 on INTEGER_TYPEs to indicate that it denotes a character type.
9719 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9720 signed_char_type_node, unsigned_char_type_node and char_type_node.
9721 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9722 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9723 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9725 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9726 Daniel Berlin <dberlin@dberlin.org>
9728 * tree-tailcall.c (arg_needs_copy_p): New function.
9729 (eliminate_tail_call): Use arg_needs_copy_p.
9730 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9731 (add_virtual_phis): New function.
9733 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9735 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9736 #ignore instead of #scratch for %g7 .register directive.
9738 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9740 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9743 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9745 * flow.c (calculate_global_regs_live): Assert that there aren't any
9748 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9750 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9752 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9753 bsi_after_labels iterator.
9754 * tree-if-conv.c (find_phi_replacement_condition,
9755 replace_phi_with_cond_modify_expr): Likewise.
9756 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9757 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9759 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9761 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9763 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9766 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9767 array after growing it.
9769 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9772 * fold-const.c (fold_checksum_tree): Change type of buf.
9774 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9776 * reload.c (push_secondary_reload): Initialize t_icode.
9778 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9780 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9781 -msoft-float -mlong-double-128 only issue a warning, but don't
9782 swich to DFmode long double.
9784 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9786 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9787 has a constant equivalent, iterate over equivalents for arg0,
9788 calling simplify_relational_operation and if there's a result
9789 cheaper than X, apply fold_rtx and return the result.
9791 2006-02-01 Jan Hubicka <jh@suse.cz>
9793 * opts.c (no_unit_at_a_time_default): New global variable.
9794 (decode_options): Use it.
9795 * opts.h (no_unit_at_a_time_default): Declare.
9797 2006-02-01 Paul Brook <paul@codesourcery.com>
9799 * function.c (assign_parm_setup_reg): Use function argument promotion
9801 * expr.c (expand_expr_real_1): Use function argument promotion rules
9804 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9806 * gcc.c (process_command): Change j to 'unsigned int'.
9808 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9811 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9812 Use the corrected index for the character
9813 out of the string constant.
9815 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9817 * mode-switching.c (optimize_mode_switching): Fix size
9818 allocated for bb_info[n_entities].
9820 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9822 * gcc.c (main): Correct type that is allocated for
9823 explicit_link_files.
9825 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9827 * config/s390/s390.c (init_alignment_context): Set
9828 ALIAS_SET_MEMORY_BARRIER on the MEM.
9829 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9831 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9834 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9836 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9839 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9841 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9842 * regrename.c: Ditto.
9843 * tree-ssa-loop-im.c: Ditto.
9844 * tree-dump.c: Ditto.
9845 * tree-complex.c: Ditto.
9846 * genrecog.c: Ditto.
9847 * tree-ssa-threadupdate.c: Ditto.
9849 * java/class.c: Ditto.
9850 * java/jcf-parse.c: Ditto.
9851 * java/resource.c: Ditto.
9852 * java/except.c: Ditto.
9853 * java/jvspec.c: Ditto.
9854 * java/jcf-write.c: Ditto.
9855 * java/jcf-path.c: Ditto.
9856 * java/gjavah.c: Ditto.
9857 * java/zextract.c: Ditto.
9858 * java/jcf-io.c: Ditto.
9859 * java/jcf.h: Ditto.
9860 * java/buffer.c: Ditto.
9861 * java/lang.c: Ditto.
9862 * java/parse-scan.y: Ditto.
9863 * java/lex.c: Ditto.
9864 * java/lex.h: Ditto.
9865 * cfgloopmanip.c: Ditto.
9866 * postreload-gcse.c: Ditto.
9867 * tree-ssa-loop-manip.c: Ditto.
9868 * postreload.c: Ditto.
9869 * tree-ssa-loop-ch.c: Ditto.
9873 * diagnostic.c: Ditto.
9875 * genoutput.c: Ditto.
9877 * cfghooks.c: Ditto.
9878 * cfgloopanal.c: Ditto.
9879 * objc/objc-act.c: Ditto.
9881 * genextract.c: Ditto.
9882 * genautomata.c: Ditto.
9883 * pretty-print.c: Ditto.
9885 * cgraphunit.c: Ditto.
9888 * haifa-sched.c: Ditto.
9889 * dominance.c: Ditto.
9891 * tree-ssa-loop-ivopts.c: Ditto.
9893 * mode-switching.c: Ditto.
9894 * modulo-sched.c: Ditto.
9896 * ipa-pure-const.c: Ditto.
9898 * fix-header.c: Ditto.
9900 * tree-stdarg.c: Ditto.
9901 * ipa-utils.c: Ditto.
9902 * loop-init.c: Ditto.
9903 * ipa-inline.c: Ditto.
9906 * alloc-pool.c: Ditto.
9907 * dwarf2out.c: Ditto.
9909 * genattrtab.c: Ditto.
9910 * tree-ssa-loop-ivcanon.c: Ditto.
9914 * fortran/gfortranspec.c: Ditto.
9916 * local-alloc.c: Ditto.
9917 * langhooks.c: Ditto.
9918 * function.c: Ditto.
9919 * tree-vectorizer.c: Ditto.
9921 * ipa-type-escape.c: Ditto.
9923 * tree-if-conv.c: Ditto.
9926 * tree-data-ref.c: Ditto.
9927 * loop-unroll.c: Ditto.
9928 * treelang/treetree.c: Ditto.
9931 * ggc-common.c: Ditto.
9933 * coverage.c: Ditto.
9935 * tree-cfgcleanup.c: Ditto.
9936 * tree-ssa-pre.c: Ditto.
9937 * cfgcleanup.c: Ditto.
9938 * loop-invariant.c: Ditto.
9940 * ipa-prop.c: Ditto.
9941 * print-tree.c: Ditto.
9942 * conflict.c: Ditto.
9943 * ggc-page.c: Ditto.
9944 * sched-deps.c: Ditto.
9945 * regclass.c: Ditto.
9946 * tree-object-size.c: Ditto.
9948 * bb-reorder.c: Ditto.
9949 * resource.c: Ditto.
9950 * var-tracking.c: Ditto.
9952 * df-problems.c: Ditto.
9953 * reg-stack.c: Ditto.
9956 * sched-rgn.c: Ditto.
9957 * tree-ssa-structalias.c: Ditto.
9958 * tree-ssa-reassoc.c: Ditto.
9959 * config/darwin-c.c: Ditto.
9960 * config/darwin.c: Ditto.
9961 * config/arm/arm.c: Ditto.
9963 * collect2.c: Ditto.
9966 2006-01-31 Nicolas Pitre <nico@cam.org>
9968 * arm.md (smaxsi3): Make aware of smax_m1.
9971 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9973 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9975 2006-01-31 Richard Guenther <rguenther@suse.de>
9977 * doc/invoke.texi (-msselibm): Document.
9978 * target.h (expand_library_builtin): New target hook.
9979 * builtins.c (expand_builtin): Use expand_library_builtin.
9980 (default_expand_library_builtin): New function.
9981 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9982 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9983 (link_gcc_math_spec): Declare.
9984 (static_specs): Add link_gcc_math_spec.
9985 * expr.h (default_expand_library_builtin): Declare.
9986 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9987 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9988 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9989 * config/i386/i386.opt (msselibm): New target option.
9990 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9991 (ix86_init_sse_abi_builtins): New function.
9992 (ix86_expand_library_builtin): Likewise.
9993 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9994 (override_options): Handle error conditions wrt -msselibm.
9995 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9996 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9997 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10000 2006-01-31 Richard Guenther <rguenther@suse.de>
10001 Paolo Bonzini <bonzini@gnu.org>
10003 * doc/install.texi (--disable-libgcc-math): Document.
10005 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10007 * expr.h (expand_normal): new inline function.
10008 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10009 * dojump.c: use it.
10010 * dwarf2out.c: use it.
10013 * expmed.c: use it.
10014 * except.c: use it.
10015 * config/sparc/sparc.c: use it.
10016 * config/i386/i386.c: use it.
10017 * config/rs6000/rs6000.c: use it.
10018 * config/arm/arm.c: use it.
10019 * config/mips/mips.c: use it.
10020 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10022 2006-01-30 Roger Sayle <roger@eyesopen.com>
10024 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10025 argv to the appropriate type.
10027 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10029 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10032 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10035 * config/s390/s390.c (struct machine_function): New flag
10036 decomposed_literal_pool_addresses_ok_p.
10037 (s390_reorg): Set it before final stage of literal pool transforms.
10038 (s390_decompose_address): Only accept displacements of the form
10039 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10041 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10043 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10044 the comparison routine return.
10046 2006-01-30 Michael Matz <matz@suse.de>
10048 * global.c (find_reg): Only evict for global regs.
10049 Take n_refs into account and dump more info.
10051 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10054 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10055 (pragma_trap, pragma_nosave_low_regs): Likewise.
10056 (current_function_anonymous_args): Likewise.
10057 (sh_deferred_function_attributes): New variable.
10058 (sh_deferred_function_attributes_tail): Likewise.
10059 (print_operand): For '@', look up trap_exit attribute.
10060 (calc_live_regs): Look up trapa_handler attribute. For trapa
10061 handlers, save/restore fpscr, but don't do any other
10062 interrupt-specific saves.
10063 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10064 Fix check for partially saved registers to check for SHmedia.
10065 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10066 (sh_output_function_epilogue): Don't clear any of the removed
10068 (sh_insert_attributes): Don't check pragma_interrupt.
10069 Insert deferred attributes. Check that interrupt attribute is
10070 present for other attributes that require its presence.
10071 (sh_attribute_table): Add new attributes trapa_handler and
10073 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10074 Don't check for pragma_interrupt. Don't store argument.
10075 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10076 (sh_deferred_function_attributes): Declare.
10077 (sh_deferred_function_attributes_tail): Likewise.
10078 * sh.md (sp_switch_1): Add operand. Change generator caller.
10079 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10080 (*return_i): Don't use when trap_exit attribute is in effect.
10081 (*return_trapa): New insn pattern.
10082 * sh-c.c: New file.
10083 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10084 setting c_target_objs and cxx_target_objs.
10085 * t-sh: Add rule for sh-c.o.
10087 2006-01-30 Richard Guenther <rguenther@suse.de>
10090 * gimplify.c (gimplify_target_expr): Handle easy cases
10091 without creating a temporary.
10093 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10095 * vec.h (safe_grow): Remove duplicated line.
10097 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10100 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10101 (expand_omp): ... here.
10102 (expand_omp_parallel): Only remove barriers for combined
10103 parallel+workshare constructs.
10105 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10109 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10110 * tree.c (build_qualified_type): Chain the new type to the original
10111 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10112 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10113 (build_pointer_type_for_mode): Only return unqualified types.
10114 (build_reference_type_for_mode): Likewise.
10116 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10118 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10119 * Makefile.in (CXX_COMPAT_WARN): Define.
10120 * configure: Regenerate.
10122 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10125 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10128 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10130 * toplev.c: Fix thinko.
10132 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10133 Marcin Dalecki <martin@dalecki.de>
10135 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10136 (push_srcloc): Use XNEW.
10137 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10139 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10141 * df-core.c (df_set_blocks): Deleted all variable.
10143 2006-01-28 Ian Lance Taylor <ian@airs.com>
10145 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10146 cgraph_output_pending_asms.
10148 2006-01-28 Zack Weinberg <zackw@panix.com>
10150 * c.opt: Add -W(no-)overlength-strings.
10151 * doc/invoke.texi: Document it.
10152 * c-opts.c (c_common_handle_option): -pedantic implies
10153 -Woverlength-strings, if not explicitly disabled already.
10154 (c_common_post_options): -Woverlength-strings defaults to off, and
10155 is always off for C++.
10156 * c-common.c (fix_string_type): Issue warning about strings longer
10157 than is portable only if warn_overlength_strings. Rearrange code
10158 a little for clarity.
10159 * configure.in: Check for -Wno-overlength-strings as well before
10160 enabling -pedantic in stage 1.
10161 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10162 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10164 * genconditions.c (write_header, write_one_condition)
10165 (write_conditions, write_writer): Consolidate very long strings
10166 that were broken up to fit in C89 portable limit. Don't use
10167 printf when fputs will do.
10169 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10171 * combine.c (simplify_comparison <AND>): Check
10172 TRULY_NOOP_TRUNCATION before start using a subreg.
10174 * config/mips/mips.md (*branch_zero<mode>,
10175 *branch_zero<mode>_inverted, *branch_equality<mode>,
10176 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10177 Remove mode check from comparisons.
10179 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10181 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10183 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10185 * expmed.c (const_mult_add_overflow_p): Remove.
10186 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10188 * recog.c (validate_replace_rtx_subexp): Remove.
10189 * recog.h: Remove the prototype for
10190 validate_replace_rtx_subexp.
10192 * integrate.h: Remove the prototype for
10193 copy_decl_for_inlining.
10194 * rtl.h: Remove the prototype for mark_constant_function.
10195 * tree-vectorizer.h: Remove the prototype for
10196 vect_strip_conversion.
10198 * modulo-sched.c (create_partial_schedule,
10199 free_partial_schedule, reset_partial_schedule): Make them
10202 * hooks.c (hook_bool_rtx_int_false): Remove.
10203 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10205 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10207 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10208 and -mlong-double-128 are incompatible.
10209 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10210 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10211 (TARGET_LIBGCC2_CFLAGS): Define.
10212 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10213 (TARGET_LIBGCC2_CFLAGS): Same.
10214 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10216 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10219 * c-typeck.c (build_binary_op): Perform implicit casts of
10220 operands before shortening them.
10222 * cfgloopmanip.c (split_loop_bb): Remove.
10223 * cfgloop.h: Remove the prototype for split_loop_bb.
10225 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10226 * cfgloop.h: Remove the prototype for
10227 flow_loop_outside_edge_p.
10229 * emit-rtl.c (init_virtual_regs): Make it static.
10230 * function.h: Remove the prototype for init_virtual_regs.
10232 * recog.c (peephole2_optimize): Make it static.
10233 * recog.h: Remove the prototype for peephole2_optimize.
10235 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10237 * df-scan.c (df_record_entry_block_defs): Check if
10238 INCOMING_RETURN_ADDR_RTX is defined.
10240 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10241 Kenneth Zadeck <zadeck@naturalbridge.com>
10243 PR rtl-optimization/24762
10244 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10245 * targhooks.c (hook_void_bitmap): New hook prototype.
10246 * targhoohs.h (hook_void_bitmap): Ditto.
10247 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10248 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10249 * target.h (live_on_entry): New function pointer.
10250 * df-scan.c (df_all_hard_regs): Removed.
10251 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10252 (df_scan_free_internal): Added df->entry_block_defs.
10253 (df_scan_alloc): Ditto.
10254 (df_scan_dump): Ditto.
10255 (df_uses_record): Plumbed flag field properly thru calls.
10256 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10257 This part fixes PR24762.
10258 (df_bb_refs_record): Added code to make the frame and arg
10259 pointers live in EH blocks.
10260 (df_refs_record): Added call to df_record_entry_block_defs.
10261 (df_record_entry_block_defs): New function.
10262 * df-core.c: Added comments to describe new artifical defs.
10263 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10264 (entry_block_defs): New field in struct df.
10265 (df_all_hard_regs): Deleted.
10266 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10267 * df-problems.c (df_ru_bb_local_compute_process_def):
10268 Added code to handle artifical defs in the entry to a function.
10269 (df_ru_bb_local_compute): Ditto.
10270 (df_rd_bb_local_compute_process_def): Ditto.
10271 (df_rd_bb_local_compute): Ditto.
10272 (df_lr_bb_local_compute): Ditto.
10273 (df_ur_bb_local_compute): Ditto.
10274 (df_urec_bb_local_compute): Ditto.
10275 (df_chain_create_bb): Ditto.
10276 (df_ur_local_finalize): Removed entry.
10277 (df_urec_init): Ditto.
10278 (df_urec_local_finalize): Ditto.
10279 (df_ri_bb_compute): Added detection of last use of pseudos.
10280 * Makefile.in (df-scan.o): Updated dependencies.
10281 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10282 * config/mips/mips.c (mips_set_live_on_entry): Added.
10283 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10285 * dce.c (marked_insn_p): Added code to handle artifical defs.
10287 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10289 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10291 (_mm_cvtsi128_si64): Likewise.
10292 (_mm_cvtsd_si64): Likewise.
10293 (_mm_cvttsd_si64): Likewise.
10294 (_mm_cvtsi64_sd): Likewise.
10295 (_mm_cvtsi64_si128): Likewise.
10296 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10297 (_mm_cvtsi64_m64): Likewise.
10298 (_m_to_int64): Likewise.
10299 (_mm_cvtm64_si64): Likewise.
10300 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10301 (_mm_cvttss_si64): Likewise.
10302 (_mm_cvtsi64_ss): Likewise.
10303 (_mm_cvtss_f32): Likewise.
10305 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10307 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10308 for pragma redefine_extname.
10310 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10313 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10314 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10315 -mno-minimal-toc to previous content.
10316 (bispecs): Remove goal.
10317 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10318 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10319 compatibility aliases on powerpc-*-*gnu*.
10320 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10321 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10322 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10323 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10324 (ldblspecs): New goal.
10325 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10326 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10328 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10329 L_sf_to_tf or L_df_to_tf is defined.
10331 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10332 Alan Modra <amodra@bigpond.net.au>
10335 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10336 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10337 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10338 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10339 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10340 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10341 (rs6000_override_options): Initialize rs6000_ieeequad.
10342 Initialize TFmode format to ibm_extended_format if not
10344 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10346 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10347 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10348 (function_arg_advance): IBM long double passed in two FPRs, not
10350 (function_arg): IBM long double passed in FPRs.
10351 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10352 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10353 Only multireg GPR aligned.
10354 (rs6000_init_libfuncs): Enable IBM long double functions if not
10356 (rs6000_generate_compare): Use IBM long double compare if not
10358 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10359 (TARGET_IEEEQUAD): Define.
10360 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10361 not TARGET_IEEEQUAD.
10362 * config/rs6000/rs6000.md: Enable TFmode patterns if
10364 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10365 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10366 and -mlong-double-128 are incompatible.
10367 * doc/invoke.texi (-mabi): Collect options together. Add
10368 ibmlongdouble and ieeelongdouble.
10370 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10372 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10374 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10375 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10376 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10377 * rtl.h (rtunion_def): Remove rt_ptr.
10379 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10380 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10381 * config/i386/winnt.c (i386_pe_mark_dllexport)
10382 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10384 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10386 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10388 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10392 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10393 pthread_key_delete. From John David Anglin. gthrw-ify
10394 pthread_getunique_np only if it it's not a macro. Delete
10396 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10397 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10398 __gthread_objc_condition_signal, __gthread_key_delete): Add
10399 "__attribute__ ((__unused__))" to unused arguments.
10400 (__gthread_recursive_mutex_init_function): Add missing return.
10401 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10402 gthr-posix95.h: Use macro-based approach for name redirection
10403 on targets missing weakref.
10405 2006-01-26 Zack Weinberg <zackw@panix.com>
10407 * genconditions.c (write_header): In generated code, #ifdef out
10408 all includes and fake declarations, except includes of bconfig.h
10409 and system.h, unless GCC_VERSION >= 3001. Do not include
10410 gensupport.h in any case.
10411 (write_conditions): Generate a definition of struct c_test. Add
10412 a comment to the generated #endif.
10413 (write_one_condition): Escape backslashes in string too.
10414 (write_writer): Generated code must escape backslashes and quote
10415 marks (but not newlines) in the strings it writes.
10416 * Makefile.in (build/gencondmd.o): Update dependencies.
10418 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10421 * Makefile.in (insn-automata.o): Add header file dependencies.
10422 * genautomata.c: Add includes.
10424 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10427 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10429 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10431 * configure.ac: Expect target tools paths to be passed from the toplevel
10432 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10434 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10436 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10439 * c.opt (Wpointer-sign): Init to -1.
10440 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10441 OPT_pedantic, to 0 otherwise.
10442 * doc/invoke.texi: Update.
10444 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10446 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10447 constants provided by 80387 instructions in the destination mode.
10449 2006-01-26 Richard Guenther <rguenther@suse.de>
10450 Andrew Pinski <pinskia@physics.uc.edu>
10453 partial PR tree-opt/17064
10454 * tree-ssa-structalias.c (intra_create_variable_infos):
10455 Create heap variables for incoming parameters if
10456 flag_argument_noalias > 1.
10457 (find_what_p_points_to): Look through default defs of
10460 2006-01-26 Jeff Law <law@redhat.com>
10463 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10464 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10465 within the VR_RANGE, use the VR_RANGE as the result, not the
10467 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10468 bounds for the type.
10470 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10472 * tree-ssa-alias.c (maybe_create_global_var): Change
10473 subvar walking to an assertion that we don't have subvar'd variables.
10475 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10478 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10479 Use a new variable, inner. PARM_DECLs are always non-weak.
10481 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10483 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10484 --disable-checking.
10486 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10488 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10490 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10492 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10493 (smax_insn, smin_insn, smax_0, smin_0): New.
10495 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10498 * config/cris/cris.c (cris_order_for_addsi3): New function.
10499 * config/cris/cris-protos.h: Prototype it.
10500 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10501 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10502 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10503 (split for "op.S1 [rx=rx+i],ry (swapped)")
10504 (split for "op(s|u).S1 [rx=rx+i],ry")
10505 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10506 Apply cris_order_for_addsi3 when generating addsi3 insns.
10508 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10510 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10511 (TREE_BLOCK): Add call to EXPR_CHECK.
10513 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10516 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10517 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10518 (dump_omp_clauses): ... here.
10519 (dump_generic_node): Handle OMP_CLAUSE.
10520 * tree.c (omp_clause_num_ops): New.
10521 (omp_clause_code_name): New.
10522 (tree_code_size): Handle OMP_CLAUSE.
10523 (tree_size): Likewise.
10524 (make_node): Document handling of OMP_CLAUSE.
10525 (tree_node_structure): Handle OMP_CLAUSE.
10526 (omp_clause_check_failed): New.
10527 (omp_clause_range_check_failed): New.
10528 (omp_clause_operand_check_failed): New.
10529 (build_omp_clause): New.
10530 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10531 * tree.h (enum omp_clause_code): Declare.
10532 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10533 (OMP_CLAUSE_RANGE_CHECK): Define.
10534 (OMP_CLAUSE_ELT_CHECK): Define.
10535 (omp_clause_check_failed): Declare.
10536 (omp_clause_operand_check_failed): Declare.
10537 (omp_clause_range_check_failed): Declare.
10538 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10539 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10540 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10541 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10542 (OMP_CLAUSE_IF_EXPR): Likewise.
10543 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10544 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10545 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10546 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10547 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10548 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10549 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10550 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10551 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10552 (OMP_CLAUSE_CODE): Define.
10553 (OMP_CLAUSE_SET_CODE): Define.
10554 (OMP_CLAUSE_CODE): Define.
10555 (OMP_CLAUSE_OPERAND): Define.
10556 (struct tree_omp_clause): Declare.
10557 (union tree_node): Add field 'omp_clause'.
10558 * treestruct.def (TS_OMP_CLAUSE): Define.
10559 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10560 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10561 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10562 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10563 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10564 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10565 (OMP_CLAUSE): Define.
10566 * print-tree.c (print_node): Handle OMP_CLAUSE.
10567 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10568 * c-typeck.c: Likewise.
10569 * gimplify.c: Likewise.
10570 * c-omp.c: Likewise.
10571 * tree-nested.c: Likewise.
10572 * tree-inline.c: Likewise.
10573 * c-parser.c: Likewise.
10574 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10577 2006-01-25 Roger Sayle <roger@eyesopen.com>
10579 PR rtl-optimization/25703
10580 * combine.c (try_combine): Handle zero_extract and strict_low_part
10581 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10583 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10585 * global.c: Fix comment typos.
10587 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10590 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10591 Use output_addr_const instead of assemble_name.
10593 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10595 * Makefile.in (sched-vis.o): Update dependencies.
10596 * haifa-sched.c (sched_finish): Clear current_sched_info.
10597 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10598 (dump_flow_info): Call it.
10599 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10601 * basic-block.h (dump_bb_info): Declare.
10602 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10603 option, and apply options only for dump files whose TDF_RTL,
10604 TDF_TREE, or TDF_IPA bits match.
10605 * rtl.h: Declare new functions exported from sched-vis.c.
10606 * sched-vis.c: Enable also if scheduling is not used.
10607 (print_value): Print the mode of registers if not inside scheduling.
10608 (print_insn): Make it work outside the scheduler. Beautify the output
10610 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10612 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10614 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10615 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10616 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10617 depending on the value of CONSTANT_POOL_ADDRESS_P.
10618 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10620 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10621 rather than SYMBOL_REF_DECL.
10622 (rtx_constant_pool): Remove const_rtx_sym_htab.
10623 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10624 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10625 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10626 Remove handling of const_rtx_sym_htab.
10627 (find_pool_constant): Delete.
10628 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10629 rather than find_pool_constant.
10630 (get_pool_constant_for_function): Delete.
10631 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10632 find_pool_constant.
10633 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10634 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10635 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10636 (SYMBOL_REF_CONSTANT): New macro.
10637 (get_pool_constant_for_function): Delete.
10638 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10639 rather than SYMBOL_REF_DECL.
10640 (i386_pe_mark_dllimport): Likewise.
10641 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10642 rather than SYMBOL_REF_DECL.
10643 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10644 (machopic_indirect_call_target): Likewise.
10646 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10648 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10650 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10652 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10654 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10656 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10658 2006-01-24 David Daney <ddaney@avtrex.com>
10661 * configure.ac (enable_tls): New enable option.
10662 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10663 * configure: Regenerate.
10664 * doc/install.texi (--enable-tls): Document new option.
10665 (--disable-tls): Ditto.
10667 2006-01-24 Richard Henderson <rth@redehat.com>
10669 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10670 * alias.c (true_dependence): Respect it.
10671 (canon_true_dependence, write_dependence_p): Likewise.
10672 * builtins.c (get_builtin_sync_mem): Set it.
10674 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10676 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10679 2006-01-24 DJ Delorie <dj@redhat.com>
10681 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10682 for storing constants in single-bit bitfields.
10684 2006-01-25 Ben Elliston <bje@au.ibm.com>
10686 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10688 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10691 * tree-ssa-pre.c (phi_translate): Return NULL
10692 for AGGREGATE_TYPE's.
10694 2006-01-24 Zack Weinberg <zackw@panix.com>
10696 * genautomata.c (process_state_for_insn_equiv_partition):
10697 Use xcalloc for insn_arcs_array.
10698 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10699 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10701 2006-01-24 Richard Henderson <rth@redhat.com>
10703 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10704 update all callers.
10706 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10708 PR rtl-optimization/25890
10709 PR rtl-optimization/25905
10710 * combine.c (expand_compound_operation, expand_field_assignment):
10711 Fail if the bitfield's final position is out of bounds.
10713 2006-01-24 Ian Lance Taylor <ian@airs.com>
10715 PR middle-end/25930
10716 * cgraphunit.c (cgraph_output_in_order): Don't clear
10717 cgraph_asm_nodes until after asm strings have been output.
10719 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10721 * fix-header.c (read_scan_file): Add new parameter imultilib when
10722 calling register_include_chains.
10724 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10726 * omp-low.c: Update documentation.
10728 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10729 Daniel Berlin <dberlin@dberlin.org>
10733 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10734 return from the function.
10736 2006-01-22 Zack Weinberg <zackw@panix.com>
10738 * rtl.def (match_code): Add second argument.
10739 * genpreds.c (write_extract_subexp): New function.
10740 (write_match_code): Add path argument. Use write_extract_subexp.
10741 (write_predicate_expr): Pass path to write_match_code.
10742 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10743 not perform a mode test.
10744 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10745 a subexpression does not constrain the top-level code set.
10746 * read-rtl.c (read_rtx_variadic): New function.
10747 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10748 * doc/md.texi: Document new notation.
10749 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10750 (cmpsi_operand): ... here, using new notation.
10752 2006-01-22 Zack Weinberg <zackw@panix.com>
10754 * varray.c: Remove GENERATOR_FILE #ifdefs.
10756 2006-01-22 Zack Weinberg <zackw@panix.com>
10758 * genautomata.c (output_reserved_units_table): Emit nothing if
10759 description->query_units_num is zero. Remove extra blank line.
10760 (output_cpu_unit_reservation_p): Short circuit
10761 if description->query_units_num is zero.
10763 2006-01-22 Zack Weinberg <zackw@panix.com>
10765 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10766 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10767 nor any of the random handful of variables that used to be necessary
10768 when this program was linked with rtlanal.o. Prune set of forward
10769 function declarations.
10770 (struct attr_desc): Remove static_p field.
10771 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10772 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10773 (attr_string): Do not read the character one past the length of
10775 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10776 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10777 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10778 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10779 (make_automaton_attrs): New.
10780 (main): Do not call into genautomata. Call local gen_bypass
10781 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10782 Remove special case for insn_alts.
10783 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10784 varray.h (leftover from previous change). Prune set of forward
10785 function declarations. Remove state_alts fields from all
10786 structures. Remove state_alts_table from struct automaton.
10787 Make everything except main static. Do not maintain num_dfa_decls.
10788 Do not maintain state_alts fields of various structures.
10789 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10790 (add_arc): Remove state_alts argument. All callers updated.
10791 (output_reserved_units_table): Emit #ifdef here...
10792 (output_tables): ...not here. Don't generate state_alts tables.
10793 (expand_automata): Don't generate attributes.
10794 (write_automata): Don't generate state_alts functions.
10795 (main): New function.
10796 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10797 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10798 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10799 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10800 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10801 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10802 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10803 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10805 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10806 * genattrtab.h: Delete file.
10807 * Makefile.in (OBJS-common): Add insn-automata.o.
10808 (insn-automata.o): New rule.
10809 (simple_generated_c): Add insn-automata.c.
10810 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10811 (genprogmd): Add automata.
10812 (build/genattrtab): Needs no extra objects nor libraries.
10813 (build/genautomata): Needs build/vec.o and -lm.
10815 2006-01-22 Zack Weinberg <zackw@panix.com>
10817 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10818 (output_dfa_max_issue_rate, locked_states_num): Delete.
10819 (struct automaton): Add locked_states field.
10820 (output_dead_lock_vect): Save number of locked states in
10821 automaton->locked_states. If it is zero, don't print anything.
10822 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10823 (output_internal_dead_lock_func): Only test the dead_lock_vect
10824 for automata that have locked states.
10825 (output_statistics): Always print the number of locked states for
10826 each automaton. Calculate total number of locked states here.
10827 (write_automata): Don't call output_dfa_max_issue_rate.
10828 * genattrtab.c: Define length_unit_log as a const variable.
10829 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10830 max_insn_queue_index const.
10831 * final.c (length_unit_log): Declare const.
10832 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10834 2006-01-22 Zack Weinberg <zackw@panix.com>
10836 * genautomata.c: Include vec.h, not varray.h.
10837 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10838 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10839 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10840 VEC_* macros operating on appropriately typed vectors, or to
10841 malloced arrays when the size is known in advance. Const-ify
10842 many char* variables and function arguments. No functional changes.
10843 * Makefile.in (build/varray.o): Delete rule.
10844 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10845 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10847 2006-01-22 Zack Weinberg <zackw@panix.com>
10849 * gensupport.c: Define get_insn_name and record_insn_name here.
10850 (read_md_rtx): Call record_insn_name as appropriate.
10851 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10852 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10853 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10855 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10856 (BUILD_VARRAY): Delete.
10857 (genprognormal): Rename genprogmd. Fold in all programs from
10858 genprognoprint; also attrtab.
10859 (build/genattrtab): Just mention genautomata.o and varray.o.
10860 Reorganize a bit, add comments to make the categories clearer.
10862 2006-01-22 Zack Weinberg <zackw@panix.com>
10864 * genconditions.c (condition_table, add_condition): Delete.
10865 (write_conditions): Don't emit n_insn_conditions nor
10866 insn_elision_unavailable. Issue the gcc version #ifdef here,
10867 inside the table, with no #else clause ...
10868 (write_header): ...not here.
10869 (write_writer): New function.
10870 (main): Don't initialize condition_table. Use add_c_test.
10872 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10873 files on the command line.
10874 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10875 Return -1 if there is no entry in the table, don't abort.
10876 (add_c_test, traverse_c_tests): New functions.
10877 * gensupport.h (insn_elision_unavailable, insn_conditions)
10878 (n_insn_conditions): Delete declarations.
10879 (add_c_test, traverse_c_tests): Declare.
10880 * read-rtl.c: Include gensupport.h.
10881 (read_conditions): New function.
10882 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10883 (read_rtx_1): If we get EOF when we were looking for an initial
10884 open paren, return 0. Call read_conditions when appropriate.
10885 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10886 dummy-conditions.o. Eliminate references to insn-conditions.o,
10887 or change them to build/gencondmd.o, as appropriate. Remove
10888 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10889 from $(simple_generated_c). For all files remaining in those
10890 two lists, add insn-conditions.md to the generator command line.
10891 Give insn-constants.h/s-constants their own rules. Add rules
10892 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10893 (build/read-rtl.o): Depend on gensupport.h.
10894 (genprognormal): Include preds.
10895 (genprogearly): Rename genprognoprint; only difference is now that
10896 they don't link with $(BUILD_PRINT).
10897 * dummy-conditions.c: Delete.
10899 2006-01-22 Zack Weinberg <zackw@panix.com>
10901 * genextract.c: Don't include insn-config.h. Do include vec.h.
10902 Declare vectors of int, char, and locstr.
10903 (locstr): New typedef.
10904 (struct extraction): Make all array fields into bare pointers.
10905 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10906 (insn_code_number): Delete.
10907 (accum_extract): New struct.
10908 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10909 (gen_insn): Take insn_code_number as an argument. Use an
10910 accum_extract structure instead of loading data directly into
10911 a struct extraction, and having to know how big it might get.
10912 (walk_rtx): Operate entirely on an accum_extract structure.
10913 (print_path): Avoid unnecessary use of printf.
10914 (print_header): New function, split out of main. Distinguish
10915 more carefully between an unrecognizable insn and an insn that
10916 has the code number of a define_expand.
10917 (main): Pass insn_code_number to gen_insn. Call print_header
10918 only after parsing. Avoid unnecessary use of printf.
10919 * Makefile.in (build/vec.o): New rule.
10920 (build/genextract): Depend on build/vec.o.
10921 (build/genextract.o): Don't depend on insn-config.h.
10923 2006-01-22 Zack Weinberg <zackw@panix.com>
10925 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10926 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10927 practical. Eliminate per-generator-program link rules.
10929 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10931 PR middle-end/24437
10932 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10933 with a call expr to ...
10934 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10936 2006-01-23 Richard Guenther <rguenther@suse.de>
10938 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10939 before make_edge with conditional EDGE_TRUE_VALUE.
10941 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10942 Jan Hubicka <jh@suse.cz>
10943 Richard Guenther <rguenther@suse.de>
10945 PR rtl-optimization/25654
10946 * cfgexpand.c (aggregate_contains_union_type): New function.
10947 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10948 for structure variables that contain a union type.
10950 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10952 * gengtype.c (new_structure): Return the structure.
10953 (create_option): Add an extra "next" argument.
10954 (create_field): New function.
10955 (adjust_field_rtx_def): Use create_option and create_field.
10956 Remove a now-unnecessary call to find_structure.
10957 (adjust_field_tree_def): Likewise.
10958 (note_yacc_type): Remove an unnecessary call to find_structure.
10959 * gengtype.h (new_structure): Return the structure.
10960 (create_option): Add an extra argument.
10961 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10962 (option): Adjust calls to create_option.
10964 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10966 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10968 2006-01-22 Paul Brook <paul@codesourcery.com>
10969 Peter Barada <peter@the-baradas.com>
10971 * config/m68k/m68k.md: Add Coldfire FPU support.
10972 Define FP mode macro and associated attributes.
10973 Use it for float mode patterns.
10974 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10975 (LIBCALL_VALUE): Use m68k_libcall_value.
10976 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10977 (m68k_function_value): Ditto.
10978 (emit_move_sequence): Ditto.
10979 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10980 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10981 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10982 (MULTILIB_EXCEPTIONS): Ditto.
10983 * config/m68k/m68k.opt: Add mcfv4e.
10984 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10985 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10986 (m68k_output_function_prologue): Save ColdFire FPU registers.
10987 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10988 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10989 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10990 ColdFire FPU registers.
10991 (m68k_libcall_value, m68k_function_value): New functions.
10992 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10993 (LIBCALL_VALUE): Use m68k_libcall_value.
10994 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10995 (MASK_COLDFIRE): Add MASK_CFV4E.
10996 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10997 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10998 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10999 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11000 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11001 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11002 * doc/invoke.tex: Document -mcfv4e on m68k.
11004 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11006 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11009 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11012 * c-opts.c (c_common_handle_option): Don't include
11013 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11014 * doc/invoke.texi (C++ Dialect Options): Document that
11015 -Wnon-virtual-dtor is no longer included in -Wall.
11017 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11019 * gcov.c (print_version), gcov-dump.c (print_version),
11020 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11023 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11025 * df-scan.c (problem_SCAN): Added NULL reset function.
11026 (df_scan_reset_blocks): Added code to call reset block function
11027 (df_bb_refs_delete) Fixed comment.
11028 (df_insn_refs_delete): Made tolerant of deleting non existent info
11029 for dataflow problems that need to be reset.
11030 * df-core.c (df_set_blocks): Ditto.
11031 * df.h (struct df_problem): Added reset_fun.
11032 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11033 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11034 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11035 functions to clear out all references to def-use or use-def chains.
11037 2006-01-21 Ben Elliston <bje@au.ibm.com>
11039 * varasm.c (assemble_real): Initialise data array.
11041 2006-01-20 Paul Brook <paul@codesourcery.com>
11043 Merge from csl-arm-branch.
11044 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11045 * config/arm/arm.md (movdi): Force operands[1] to a register
11046 if we have a non-register source.
11047 (*arm_movdi, *movdf_soft_insn): Require that one of the
11048 operands be a register.
11049 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11050 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11052 2006-01-20 DJ Delorie <dj@redhat.com>
11054 * varasm.c (initializer_constant_valid_p): Allow pointers
11055 initialized from integer constants of lesser precision.
11056 (output_constant): Allow non-int-sized pointer modes to be
11057 initialized from integer constants.
11059 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11062 * cppdefault.h (struct default_include): Add multilib flag.
11063 * cppdefault.c (cpp_include_defaults): Set it.
11064 * c.opt (-imultilib): New option.
11065 * c-opts.c (imultilib): New.
11066 (c_common_handle_option): Handle -imultilib.
11067 (c_common_post_options): Likewise.
11068 * c-incpath.c (add_standard_paths, register_include_chains):
11070 * c-incpath.h (register_include_chains): Add extra parameter.
11071 * gcc.c (do_spec_1): Generate -imultilib option.
11072 (The Specs Language): Update %I description.
11073 (process_command): Update copyright notice.
11074 * doc/cppopts.texi (-imultilib): Document.
11075 * doc/invoke.texi (-imultilib): Include in option summary.
11076 (%I): Update specs documentation.
11078 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11080 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11082 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11084 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11087 2006-01-20 Richard Guenther <rguenther@suse.de>
11088 Steven Bosscher <stevenb.gcc@gmail.com>
11090 PR rtl-optimization/24626
11091 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11092 EDGE_TRUE_VALUE if in RTL mode.
11095 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11096 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11098 2006-01-20 Dirk Mueller <dmueller@suse.com>
11101 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11102 instead of a special NOP marker.
11103 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11104 NOP marker handling.
11105 * c-common.h (empty_body_warning): Add forward declaration.
11106 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11107 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11109 2006-01-20 Paul Brook <paul@codesourcery.com>
11111 * Makefile.in (lang_checks): Keep going if mkdir fails.
11113 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11115 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11116 be able to clean out basic block when not necessary.
11117 (df_scan_free): Fixed to properly delete information if df is
11118 unused before calling df_finish.
11119 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11120 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11122 (df_bb_refs_delete): New function.
11123 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11124 * df-core.c (df_set_blocks): Added code to properly clean out
11125 unused blocks if they are not part of the blocks to consider.
11126 Added additional null check.
11127 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11128 be able to clean out basic block when not necessary
11129 * df.h (df_free_bb_function): Ditto.
11130 (df_bb_refs_delete): New function.
11131 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11132 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11133 basic block parameter to be able to clean out basic block when not
11135 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11136 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11137 Fixed to properly delete information if df is unused before
11140 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11142 PR rtl-optimization/25799
11143 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11144 Corrected confluence operator to remove bits from op2 before oring
11145 with op1 rather than removing bits from op1.
11146 (df_ru_transfer_function): Corrected test on wrong bitmap which
11147 caused infinite loop. Both of these problems were introduced in
11148 the dataflow rewrite.
11150 2006-01-19 DJ Delorie <dj@redhat.com>
11152 * reload1.c (find_reload_regs): Note the details of reload
11153 failures in the dump file.
11154 (spill_failure): Likewise.
11156 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11158 * loop-iv.c: Include df.h and hashtab.h.
11159 (enum iv_grd_result): New enum.
11160 (DF_REF_IV, DF_REF_IV_SET): New macros.
11161 (struct biv_entry): New.
11162 (df, bivs): New global variables.
11163 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11164 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11166 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11167 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11168 analyzed_for_bivness_p, record_biv): New functions.
11169 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11170 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11171 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11173 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11175 (iv_number_of_iterations): Use new interface to iv analysis.
11176 * loop-unroll.c: Do not include varray.h.
11177 (analyze_iv_to_split_insn): Use new interface to iv
11179 * loop-unswitch.c (may_unswitch_on): Ditto.
11180 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11182 (df_bb_modify): Realloc tables to the new index.
11183 (df_find_use): New function.
11184 * df.h (df_find_use): Declare.
11185 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11187 * cfgloop.h (struct rtx_iv): Remove analysed field.
11188 (iv_get_reaching_def): Removed.
11189 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11190 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11191 (loop-iv.o): Add df.h and hashtab.h dependency.
11192 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11194 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11197 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11199 (__floatundisf, __floatundidf): Likewise.
11200 * libgcc2.h (IS_IBM_EXTENDED): Define.
11202 2006-01-19 DJ Delorie <dj@redhat.com>
11204 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11206 2006-01-19 Paul Brook <paul@codesourcery.com>
11208 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11209 as nothrow when unwinding tables are disabled.
11211 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11214 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11215 of bit-field" when in system header.
11217 2006-01-19 DJ Delorie <dj@redhat.com>
11219 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11220 the 16 bit shift limit of the m16c.
11222 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11225 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11226 * config/i386/i386.c (output_set_got): Output the label if we have one
11227 for the TARGET_DEEP_BRANCH_PREDICTION case.
11229 2006-01-19 Jan Hubicka <jh@suse.cz>
11230 H.J. Lu <hongjiu.lu@intel.com>
11231 Evandro Menezes <evandro.menezes@amd.com>
11233 * invoke.texi (generic): Document
11235 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11236 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11237 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11238 (x86_use_incdec, x86_pad_returns): New variables
11239 (TARGET_CPU_DEFAULT_generic): New constant
11240 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11241 (enum processor_type): Add generic32 and generic64.
11242 * i386.md (cpu attribute): Add generic32/generic64
11243 (movhi splitter): Behave sanely when both partial_reg_dependency and
11244 partial_reg_stall are set.
11245 (K8 splitters): Enable for generic as well.
11246 * predicates.md (incdec_operand): Use TARGET_INCDEC
11247 (aligned_operand): Avoid memory mismatch stalls.
11248 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11249 * ppro.md: Enable for generic32
11250 * i386.c (generic64_cost, generic32_cost): New.
11251 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11252 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11253 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11254 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11255 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11256 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11257 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11258 x86_accumulate_outgoing_args, x86_prologue_using_move,
11259 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11260 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11261 Enable for generic.
11262 (x86_use_incdec, x86_pad_returns): New.
11263 (override_options): Add generic32 and generic64, translate "generic"
11264 to generic32/generic64 and "i686" to "generic32", refuse
11265 "generic32"/"generic64" as arch target.
11266 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11267 (ix86_reorg): Honor PAD_RETURNS.
11269 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11271 * tree-pretty-print.c (dump_generic_node): Handle
11272 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11273 * cgraph.c (cgraph_expand_queue): Rename from
11274 cgraph_analyze_queue. Update all users.
11275 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11276 cgraph_expand_queue.
11277 (cgraph_expand_all_functions): Likewise.
11278 (cgraph_finalize_pending_functions): Remove. Update callers.
11280 * tree.h (OMP_DIRECTIVE_P): Define.
11281 (OMP_PARALLEL_FN): Define.
11282 (OMP_PARALLEL_DATA_ARG): Define.
11283 (OMP_SECTIONS_SECTIONS): Define.
11284 * tree-pass.h (pass_expand_omp): Declare.
11285 * omp-low.c (struct omp_region): Declare.
11286 (struct omp_context): Remove fields 'parallel_type',
11287 'parallel_start_ix' and 'parallel_start_additional_args'.
11289 (struct omp_for_data): Rename from struct expand_omp_for_data.
11290 (omp_regions): New static variable.
11291 (root_omp_region): New static variable.
11292 (find_omp_clause): Make static.
11293 (is_in_combined_parallel_ctx): Remove.
11294 (is_combined_parallel): New.
11295 (extract_omp_for_data): Move earlier in the file.
11296 (workshare_safe_to_combine_p): New.
11297 (get_ws_args_for): New.
11298 (determine_parallel_type): Move earlier in the file.
11299 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11301 (omp_copy_decl): Likewise.
11302 (create_omp_child_function): Likewise.
11303 (lookup_omp_region): New.
11304 (dump_omp_region): New.
11305 (debug_omp_region): New.
11306 (debug_all_omp_regions): New.
11307 (new_omp_region): New.
11308 (scan_omp_parallel): If parallel_nesting_level > 1, the
11309 directive is nested within another parallel directive.
11310 Set OMP_PARALLEL_FN.
11311 (scan_omp_for): Do not try to handle combined parallel+for
11313 Remove FIXME comment.
11314 (scan_omp_nested): Remove.
11315 (scan_omp_1): Do not call scan_omp_nested when
11316 parallel_nesting_level is > 1.
11317 Do not change the DECL_CONTEXT of local variables found.
11318 (lookup_decl_in_outer_ctx): New.
11319 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11320 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11321 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11322 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11323 If CTX is nested, lookup VAR in the outer context when
11324 building copy assignment.
11325 (lower_send_clauses): Rename from expand_send_clauses.
11326 If CTX is nested, lookup VAR in the outer context when
11327 building copy assignments.
11328 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11329 If CTX is nested, lookup VAR in the outer context when
11330 building copy assignments.
11331 (expand_parallel_call): Rename from build_parallel_call.
11332 Handle combined parallel+workshare cases.
11333 Re-implement to emit code into the CFG.
11335 (expand_omp_parallel): Re-implement to emit code into the CFG.
11336 Call move_sese_region_to_fn to outline the sub-graph
11337 containing the parallel region.
11338 (expand_omp_for_1): Remove.
11339 (expand_omp_for_generic): Re-implement to emit code into the
11341 (expand_omp_for_static_nochunk): Likewise.
11342 (expand_omp_for_static_chunk): Likewise.
11343 (expand_omp_for): Likewise.
11344 (expand_omp_sections): Likewise.
11345 (remove_exit_barriers): New.
11346 (expand_omp_synch): New.
11348 (build_omp_regions_1): New.
11349 (build_omp_regions): New.
11350 (execute_expand_omp): New.
11351 (gate_expand_omp): New.
11352 (pass_expand_omp): Define.
11353 (lower_omp_sections): Rename from expand_omp_sections.
11354 Set OMP_SECTIONS_SECTIONS.
11355 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11356 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11357 (lower_omp_single): Rename from expand_omp_simple.
11358 (lower_omp_master): Rename from expand_omp_master.
11359 (lower_omp_ordered): Rename from expand_omp_ordered.
11360 (lower_omp_critical): Rename from expand_omp_critical.
11361 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11362 (lower_omp_for): Re-implement.
11363 (lower_omp_parallel): Re-implement.
11364 (lower_regimplify): Rename from expand_regimplify.
11365 (lower_omp_1): Rename from expand_omp_1.
11366 If there are syntax errors in the program, replace every
11367 OpenMP directive with NOP.
11368 Call lower_omp_* instead of expand_omp_*.
11369 (lower_omp): Rename from expand_omp.
11371 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11372 * tree-gimple.h (enum omp_parallel_type): Remove.
11373 (gimple_boolify): Declare extern.
11374 (find_omp_clause, determine_parallel_type): Remove.
11376 * gimple-low.c (lower_omp_directive): New.
11377 (lower_stmt): Call it.
11378 (record_vars_into): Move from ...
11379 (record_vars): ... here.
11380 Call record_vars_into with current_function_decl.
11382 * gimplify.c (struct gimplify_ctx): Remove fields
11383 combined_pre_p and combined_ctxp. Update users.
11384 (get_formal_tmp_var): Add documentation.
11385 (gimple_boolify): Make extern.
11386 (gimplify_expr_in_ctx): Remove. Update callers.
11387 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11388 will always be a BIND_EXPR.
11389 (gimplify_expr): Handle OMP_RETURN_EXPR.
11390 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11391 (OMP_PARALLEL): Add 3 operands.
11392 (OMP_SECTIONS): Add 1 operand.
11393 (OMP_RETURN_EXPR): Define.
11395 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11396 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11397 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11398 creating a circular free list.
11399 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11401 * tree-flow.h (move_sese_region_to_fn): Declare.
11402 (record_vars_into): Declare.
11403 * tree-cfg.c (make_omp_sections_edges): New.
11404 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11405 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11406 OMP_SECTIONS and OMP_SECTION.
11407 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11408 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11409 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11410 (gather_blocks_in_sese_region): New.
11411 (struct move_stmt_d): Declare.
11412 (move_stmt_r): New.
11413 (move_block_to_fn): New.
11414 (move_sese_region_to_fn): New.
11416 * passes.c (init_optimization_passes): Schedule
11417 pass_expand_omp after pass_init_datastructures.
11419 * tree-ssa-operands.c (get_expr_operands): Handle
11420 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11421 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11423 2006-01-19 Jeff Law <law@redhat.com>
11425 * tree-vrp.c (extract_range_from_assert): Refine the result range
11426 if the variable referenced by the ASSERT_EXPR has a range and
11427 either the tentative result range or the previous range is a
11430 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11432 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11434 2006-01-19 Jan Hubicka <jh@suse.cz>
11436 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11438 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11440 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11441 (expand_compound_operation, expand_field_assignment): Fail if the
11442 bit lengths of an extract operation are out of range.
11443 (make_extraction): Compute wanted_inner_mode based on the position
11444 and length of the extraction. Make it extraction_mode for non-constant
11445 positions, and do not modify offset in that case. When generating a
11446 new MEM, use a mode that can hold the extraction while keeping correct
11447 alignment. Remove code that supported MEMs wrapped by USEs.
11448 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11450 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11452 * config/s390/s390.md ("Y", "y"): New mode attribute.
11453 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11454 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11455 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11456 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11457 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11458 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11459 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11460 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11461 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11462 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11463 "addsi3", "subsi3"): Insn patterns removed.
11464 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11465 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11466 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11467 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11468 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11469 "*sub<mode>3_cconly2"): New insn patterns.
11470 ("addsi3", "subsi3"): New expanders.
11472 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11474 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11475 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11476 existing STMT_VINFO_VECTYPE if available.
11477 (vect_mark_relevant): Add special handling for stmts that are
11478 marked as STMT_VINFO_IN_PATTERN_P.
11479 (vect_analyze_loop): Call vect_pattern_recog.
11480 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11481 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11483 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11484 (vect_recog_func_ptr): New function-pointer type.
11485 * tree-vect-patterns.c: New file.
11486 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11487 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11488 (vect_pattern_recog_1): New functions.
11489 (vect_pattern_recog_funcs): New array of function pointers.
11491 * tree-vectorizer.h (ternary_op): New enum value.
11492 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11493 declaration. Revised documentation. Removed redundant dump prints.
11494 Removed redundant argument. Added support for reduction patterns.
11495 (vectorizable_reduction): Added support for reduction patterns.
11496 (vect_transform_stmt): Added support for patterns.
11498 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11499 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11500 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11501 (expand_widen_pattern_expr): New function.
11502 (init_optabs): Initialize new optabs udot_prod_optab,
11504 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11505 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11506 (expand_widen_pattern_expr): New function declaration.
11507 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11509 * tree-inline.c (estimate_num_insns_1): Added cases for new
11510 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11511 * tree-pretty-print.c (dump_generic_node): Likewise.
11512 (op_prio): Likewise.
11513 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11514 * tree-ssa-operands.c (get_expr_operands): Added case for
11516 * tree-vect-patterns.c (widened_name_p): New function.
11517 (vect_recog_dot_prod_pattern): Added function implementation.
11518 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11519 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11520 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11521 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11523 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11524 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11525 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11526 (init_optabs): Initialize new optabs widen_ssum_optab,
11528 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11529 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11530 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11531 use instead of type of def.
11532 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11533 function implementation.
11534 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11535 widen_ssumv8hi): New.
11537 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11540 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11543 * c-decl.c (add_flexible_array_elts_to_size): New function.
11544 (finish_decl): Use it.
11546 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11548 * diagnostic.h: Include options.h.
11549 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11550 dependancies for diagnostic.h.
11551 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11553 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11555 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11556 (ssa_ro_call_cache_valid): Ditto.
11557 * tree-ssa-alias.c (sort_tags_by_id): New function.
11558 (init_transitive_clobber_worklist): Ditto.
11559 (add_to_worklist): Ditto.
11560 (mark_aliases_call_clobbered): Ditto.
11561 (compute_tag_properties): Ditto.
11562 (set_initial_properties): Ditto.
11563 (compute_call_clobbered): Ditto.
11564 (compute_may_aliases): Call compute_call_clobbered and grouping.
11565 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11566 (compute_flow_insensitive_aliasing): Grouping now happens in our
11568 (setup_pointers_and_addressables): Remove clobbering related code.
11569 (add_may_alias): Ditto.
11570 (replace_may_alias): Ditto.
11571 (get_nmt_for): Ditto.
11572 (create_global_var):
11573 (is_escape_site): Return an escape_type enumeration.
11574 * tree-flow-inline.h (is_call_clobbered): Global var does not
11575 imply call clobbered.
11576 (mark_call_clobbered): Take a reason for marking this. Remove
11577 marking of globalness, and cache invalidation.
11578 (clear_call_clobbered): Remove cache invalidation code.
11579 * tree-dfa.c (dump_variable): If details is on, dump the reason
11581 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11583 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11584 (struct var_ann_d): Ditto.
11585 (enum escape_type): New.
11586 (mark_call_clobbered): Adjust prototype.
11587 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11588 are never call clobbered.
11589 Record reasons for escaping.
11590 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11591 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11592 (ssa_ro_call_cache_valid): Ditto.
11593 (clobbered_v_may_defs): Ditto.
11594 (clobbered_vuses): Ditto.
11595 (ro_call_vuses): Ditto.
11596 (clobber_stats): New.
11597 (init_ssa_operands): Zero out clobber stats.
11598 (fini_ssa_operands): Print out clobber stats.
11599 (get_call_expr_operands): Pass callee fndecl to
11600 add_call_read_ops).
11601 (add_call_clobber_ops): Remove use of cache.
11602 Add use of PURE_CONST information.
11603 (add_call_read_ops): Remove use of cache.
11604 Add use of static not_read information.
11606 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11608 Introduce TLS descriptors for i386 and x86_64.
11609 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11610 (TARGET_ANY_GNU_TLS): New macro.
11611 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11612 (struct machine_function): Add tls_descriptor_call_expanded_p.
11613 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11614 (ix86_current_function_calls_tls_descriptor): Likewise.
11615 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11616 (override_options): Introduce gnu2 tls dialect.
11617 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11619 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11621 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11622 (ix86_init_machine_status): Initialize new field.
11623 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11624 (ix86_tls_module_base): New.
11625 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11626 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11627 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11628 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11629 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11630 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11631 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11632 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11633 * config/i386/predicates.md (tls_modbase_operand): New.
11634 (tp_or_register_operand): New.
11636 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11638 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11639 (look_for_address_of): Ditto.
11640 (ipa_init): Walk the function decls.
11641 (static_execute): Don't set readonly on FUNCTION_DECL's.
11643 2006-01-18 Roger Sayle <roger@eyesopen.com>
11645 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11646 for shifts where the source and destination registers are different.
11648 2006-01-18 Paul Brook <paul@codesourcery.com>
11650 Merge from csl-arm-branch.
11651 2005-03-14 Julian Brown <julian@codesourcery.com>
11652 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11653 (aeabi_llsl): Likewise.
11654 (ashrdi3): Likewise.
11655 (aeabi_lasr): Likewise.
11656 (lshrdi3): Likewise.
11657 (aeabi_llsr): Likewise.
11658 2005-03-10 Julian Brown <julian@codesourcery.com>
11659 * config.gcc: Disable shared libgcc for SymbianOS.
11660 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11662 2006-01-18 DJ Delorie <dj@redhat.com>
11664 * c-pragma.c (handle_pragma_diagnostic): New.
11665 (init_pragma): Register it.
11666 * doc/extend.texi: Document it.
11668 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11669 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11670 (diagnostic_context): Add classify_diagnostic[].
11671 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11672 as errors if they're overridden to DK_WARNING.
11673 (diagnostic_initialize): Initialize classify_diagnostic[].
11674 (diagnostic_set_kind_override): New.
11675 (diagnostic_report_diagnostic): Check for kind changes.
11676 * opts.c (common_handle_option): Take lang_mask. Update callers.
11677 Handle OPT_Werror_.
11678 * common.opt (Werror=): New.
11679 * doc/invoke.texi: Document -Werror=*
11681 2006-01-18 Jeff Law <law@redhat.com>
11683 * tree-vrp.c (test_for_singularity): Correct test for new
11684 min limit. Use operand_equal_p rather than pointer equality
11685 for testing if new min/max values are equal.
11687 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11688 using range information until after propagation and folding.
11690 2006-01-18 Richard Henderson <rth@redhat.com>
11691 Aldy Hernandez <aldyh@redhat.com>
11692 Jakub Jelinek <jakub@redhat.com>
11693 Diego Novillo <dnovillo@redhat.com>
11695 * omp-low.c: New file.
11696 * c-omp.c: New file.
11698 2006-01-18 Richard Henderson <rth@redhat.com>
11699 Jakub Jelinek <jakub@redhat.com>
11700 Diego Novillo <dnovillo@redhat.com>
11702 * doc/invoke.texi: Document -fopenmp.
11703 * tree-dump.h (debug_function): Declare.
11704 * hooks.c (hook_bool_tree_bool_false): New function.
11705 (hook_tree_tree_null): Remove.
11706 (hook_tree_tree_tree_null): New.
11707 * hooks.h: Update to match.
11708 * tree-pretty-print.c (debug_tree_chain): New.
11709 (print_generic_expr): Handle TDF_CHAIN.
11710 (dump_generic_node): Handle BLOCK.
11711 Do not abort with incomplete SWITCH_EXPRs.
11712 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11713 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11714 print space after directive name.
11715 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11716 Handle OMP_MASTER and OMP_ORDERED.
11717 Handle printing of OMP_BODY just in one place, goto
11718 dump_omp_body in the rest of OMP_* nodes that have
11720 Don't handle clause nodes here. Update omp statements to
11721 use dump_omp_clauses.
11722 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11723 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11724 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11725 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11726 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11727 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11728 Adjust output for GOMP_PARALLEL.
11729 (dump_omp_clauses): New.
11730 (print_declaration): Dump DECL_VALUE_EXPR.
11731 (op_symbol_1): Split out of op_symbol.
11732 (dumping_stmts): Remove. Update all users.
11733 * cgraph.c (cgraph_analyze_queue): New.
11734 (cgraph_add_new_function): New.
11735 * cgraph.h (cgraph_analyze_queue): Declare.
11736 (cgraph_add_new_function): Declare.
11737 (cgraph_lower_function): Remove.
11738 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11739 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11740 and TYPE_P nodes in its default clause.
11741 (empty_body_p): New.
11742 (tree_range_check_failed): New.
11743 (build5_stat): New.
11744 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11745 OMP_CLAUSE_REDUCTION_MERGE,
11746 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11747 OMP_CLAUSE_PRIVATE_DEBUG,
11748 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11749 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11750 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11751 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11752 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11753 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11754 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11755 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11756 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11757 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11758 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11759 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11760 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11761 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11762 (TREE_RANGE_CHECK): New.
11763 (empty_body_p): Declare.
11764 (enum omp_clause_default_kind): New.
11765 (build_string_literal): Declare.
11766 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11767 (build5_stat, build5): Declare.
11768 * tree-pass.h (TDF_CHAIN): Define.
11769 * tree-pass.h (PROP_gimple_lomp): Define.
11770 (pass_lower_omp): Declare.
11771 * diagnostic.h (debug_tree_chain): Declare.
11772 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11774 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11775 * builtins.c (build_string_literal): Make extern.
11776 * gcc.c (include_spec_function): New.
11777 (static_spec_functions): Add it.
11778 (main): Move load of libgomp.spec ...
11779 (LINK_COMMAND_SPEC): ... here.
11780 (link_gomp_spec): New.
11781 (static_specs): Include it.
11782 (LINK_COMMAND_SPEC): Add link_gomp.
11783 (GOMP_SELF_SPECS): New.
11784 (driver_self_specs): Include it.
11785 (switch_matches): Don't mark inline.
11786 (main): Load libgomp.spec.
11787 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11788 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11789 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11790 * tree-gimple.h (enum omp_parallel): Declare.
11791 (determine_parallel_type): Declare.
11792 (omp_firstprivatize_variable): Declare.
11793 (omp_reduction_init): Declare.
11794 (diagnose_omp_structured_block_errors): Declare.
11795 (struct walk_stmt_info): Add want_return_expr.
11796 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11797 (find_omp_clause): Declare.
11798 (insert_field_into_struct): Declare.
11799 (struct walk_stmt_info): Move from tree-nested.c
11800 (walk_stmts): Declare.
11801 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11803 * cgraphunit.c (cgraph_lower_function): Make static.
11804 (cgraph_finalize_pending_functions): New.
11805 (cgraph_finalize_function): Call it.
11806 (cgraph_finalize_compilation_unit): Likewise.
11807 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11808 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11809 (BT_FN_UINT_UINT): New.
11810 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11811 DEF_FUNCTION_TYPE_VAR_4): Document.
11812 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11813 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11814 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11815 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11816 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11817 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11818 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11819 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11820 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11821 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11822 into separate files.
11823 (DEF_GOMP_BUILTIN): New.
11824 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11825 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11826 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11827 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11828 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11829 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11830 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11831 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11832 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11833 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11834 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11835 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11836 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11837 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11838 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11839 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11840 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11841 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11842 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11843 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11844 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11845 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11846 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11847 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11848 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11849 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11850 * sync-builtins.def: New file, moved from builtins.def.
11851 * omp-builtins.def: New file, moved from builtins.def.
11852 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11853 * gimple-low.c (lower_function_body): Clear data.
11854 (lower_stmt): Do not handle COMPOUND_EXPR.
11855 Remove call to print_node_brief.
11856 * c-tree.h (c_finish_omp_clauses): New prototype.
11857 (C_DECL_THREADPRIVATE_P): Define.
11858 (lookup_name_no_remap, c_omp_remap_private): Remove
11859 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11860 (check_for_loop_decls): Update decl.
11861 (lookup_name_no_remap, c_omp_remap_private): Declare.
11862 (build_indirect_ref, build_modify_expr, pushdecl,
11863 pushdecl_top_level): Move to c-common.h.
11864 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11865 before the switch, but just in the 2 places that need it.
11866 * c-decl.c (diagnose_mismatched_decls): Do not check for
11867 mismatched thread-local attributes when OLDDECL is marked
11868 threadprivate and NEWDECL has no thread-local attributes.
11869 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11870 (c_gimple_diagnostics_recursively): Rename from
11871 c_warn_unused_result_recursively. Invoke
11872 diagnose_omp_structured_block_errors.
11873 (check_for_loop_decls): Return a singular decl found.
11874 * langhooks.c (lhd_omp_predetermined_sharing): Return
11875 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11876 (lhd_omp_firstprivatize_type_sizes): New.
11877 (lhd_omp_assignment): New.
11878 (lhd_omp_predetermined_sharing): New.
11879 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11880 (struct lang_hooks_for_types): Add
11881 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11882 omp_predetermined_sharing, omp_disregard_value_expr,
11883 omp_private_debug_clause, omp_clause_default_ctor,
11884 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11885 (c_finish_omp_clauses): New.
11886 (c_finish_bc_stmt): Diagnose break within omp for.
11887 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11888 (build_unary_op): Return error_mark after reporting
11890 (build_modify_expr): Likewise.
11891 * gimplify.c: Include optabs.h and pointer-set.h.
11892 (enum gimplify_omp_var_data): Declare.
11893 (struct gimplify_omp_ctx): Declare.
11894 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11896 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11897 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11898 (splay_tree_compare_decl_uid): New.
11899 (new_omp_context): New.
11900 (delete_omp_context): New.
11901 (gimple_add_tmp_var): Call omp_add_variable.
11902 (gimplify_bind_expr): Likewise.
11903 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11904 true, disregard DECL_VALUE_EXPR on the decl if any.
11905 (gimplify_expr_in_ctx): New.
11906 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11907 omp_add_variable, omp_notice_variable, omp_is_private
11908 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11909 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11910 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11911 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11912 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11913 gimplify_omp_atomic): New.
11914 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11915 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11916 OMP_CRITICAL and OMP_ATOMIC.
11917 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11918 * c-pragma.h (enum pragma_kind): Add
11919 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11920 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11921 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11922 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11923 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11924 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11925 PRAGMA_OMP_THREADPRIVATE.
11926 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11927 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11928 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11929 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11930 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11931 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11932 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11933 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11934 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11935 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11936 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11937 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11938 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11940 (struct nesting_info): Add field_map,
11941 suppress_expansion, debug_var_chain.
11942 (create_nesting_tree): Initialize them.
11943 (lookup_field_for_decl): Use field_map.
11944 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11945 (convert_local_omp_clauses): New.
11946 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11947 (walk_body): Split out of walk_function.
11948 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11949 (convert_nonlocal_reference): Handle omp statements.
11950 (convert_local_reference): Likewise.
11951 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11952 (unnest_nesting_tree): New.
11953 (lower_nested_functions): Call it.
11954 (insert_field_into_struct): Make extern.
11955 (struct walk_stmt_info): Move to tree-gimple.h.
11956 (walk_stmts): Make extern.
11957 * omp-builtins.def: New file.
11958 * tree-iterator.c (expr_only): Clarify comment.
11959 * c-common.h (pushdecl_top_level, pushdecl,
11960 build_modify_expr, build_indirect_ref,
11961 c_finish_omp_master, c_finish_omp_critical,
11962 c_finish_omp_ordered, c_finish_omp_barrier,
11963 c_finish_omp_atomic, c_finish_omp_flush,
11964 c_finish_omp_for, c_split_parallel_clauses,
11965 omp_clause_default_kind, c_omp_sharing_predetermined,
11966 c_omp_remap_decl): Declare.
11967 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11968 (OBJS-common): Add omp-low.o.
11969 (c-omp.o, omp-low.o): Add.
11970 (gimplify.o): Add dependency on $(OPTABS_H).
11971 (GTFILES): Add omp-low.c.
11972 (gt-stringpool.h): Add.
11973 * tree-cfg.c (set_bb_for_stmt): Do not update the
11974 block-to-labels map if we are currently expanding to RTL.
11975 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11977 Handle IDENTIFIER_NODE.
11978 (tree_verify_flow_info): Do not ICE when emitting error
11979 messages about invalid labels.
11980 (dump_function_to_file): Reset CFUN before emitting the body
11982 (debug_function): New.
11983 * passes.c (init_optimization_passes): Schedule
11985 * langhooks-def.h (lhd_omp_predetermined_sharing,
11986 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11988 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11989 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11990 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11991 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11992 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11993 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11994 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11995 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11996 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11997 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11998 (LANG_HOOK_DECLS): Use them.
12000 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12001 Richard Henderson <rth@redhat.com>
12002 Jakub Jelinek <jakub@redhat.com>
12003 Diego Novillo <dnovillo@redhat.com>
12005 * c-parser.c (pragma_omp_clause): Define.
12006 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12007 (c_parser_compound_statement): Likewise.
12008 (c_parser_statement): Likewise.
12009 (c_parser_pragma): Handle omp pragmas.
12010 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12011 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12012 (c_parser_omp_clause_name, check_no_duplicate_clause,
12013 c_parser_omp_variable_list,
12014 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12015 c_parser_omp_clause_copyprivate,
12016 c_parser_omp_clause_default,
12017 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12018 c_parser_omp_clause_lastprivate,
12019 c_parser_omp_clause_nowait,
12020 c_parser_omp_clause_num_threads,
12021 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12022 c_parser_omp_clause_reduction,
12023 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12024 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12025 c_parser_omp_atomic, c_parser_omp_barrier,
12026 c_parser_omp_critical, c_parser_omp_flush,
12027 c_parser_omp_for_loop, c_parser_omp_for,
12028 c_parser_omp_master, c_parser_omp_ordered,
12029 c_parser_omp_sections_scope, c_parser_omp_sections,
12030 c_parser_omp_parallel, c_parser_omp_single,
12031 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12032 * c-pragma.c (init_pragma): Do omp pragma registration here.
12033 * c.opt (fopenmp): New flag.
12035 2006-01-18 Eric Christopher <echristo@apple.com>
12037 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12038 * config/darwin.h (GOMP_SELF_SPECS): Define.
12040 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12042 * rtl.h: Remove the prototype for reg_alloc.
12044 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12047 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12048 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12049 sjlj and dwarf2 exception handling.
12050 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12051 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12052 * pa/pa.c (function_value): Treat complex and vector types as
12054 (function_arg): Likewise. Only pass scalar floats in the floating
12055 point argument registers.
12056 * pa/t-slibgcc-dwarf-ver: New file.
12057 * pa/t-slibgcc-sjlj-ver: New file.
12058 * pa/t-slibgcc-elf-ver: Delete file.
12060 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12062 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12063 unlikely_test_section_p test.
12065 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12067 * mode-switching.c (optimize_mode_switching): Make it static.
12068 * basic-block.h: Remove the prototype for
12069 optimize_mode_switching.
12071 * modulo-sched.c (sms_schedule): Make it static.
12072 * rtl.h: Remove the prototype for sms_schedule.
12074 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12075 * rtl.h: Remove the prototype for gcse_after_reload_main.
12077 * reg-stack.c (reg_to_stack): Make it static.
12078 * rtl.h: Remove the prototype for reg_to_stack.
12080 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12082 * rtl.h: Remove the prototypes for regrename_optimize and
12083 copyprop_hardreg_forward.
12085 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12087 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12088 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12089 Test against the appropriate null constant for the mode.
12090 If 'fixup_overlap' is true, swap the operands if they overlap.
12091 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12092 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12093 alpha_split_tmode_pair and adjust for above change.
12094 * config/alpha/alpha.md (movtf_internal): Adjust call to
12095 alpha_split_tfmode_pair and rely on it to swap the operands.
12096 (movti_internal): New insn and post-reload splitter.
12097 (movti): New expander.
12099 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12101 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12104 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12106 * rtlanal.c (global_reg_mentioned_p_1,
12107 global_reg_mentioned_p): Remove.
12108 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12110 * flow.c (initialize_uninitialized_subregs): Make it static.
12111 * rtl.h: Remove the prototype for
12112 initialize_uninitialized_subregs.
12114 * function.c (instantiate_virtual_regs): Make it static.
12115 * function.h: Remove the prototype for
12116 instantiate_virtual_regs.
12118 * regmove.c (regmove_optimize, combine_stack_adjustments):
12120 * rtl.h: Remove the prototypes for regmove_optimize and
12121 combine_stack_adjustments.
12123 2006-01-17 Roger Sayle <roger@eyesopen.com>
12125 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12126 (size_cost): Encode costs in bytes so that a reg-reg addition is
12127 equivalent to COSTS_N_INSNS(1).
12128 (override_options): Use the size_cost.branch_cost as the default
12129 ix86_branch_cost when optimizing for size.
12131 2006-01-18 Ben Elliston <bje@au.ibm.com>
12133 * Makefile.in (D32PBIT_FUNCS): New.
12134 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12135 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12136 D64PBIT_FUNCS and D128PBIT_FUNCS.
12137 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12138 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12140 (decnumber_dep): Define.
12141 * doc/libgcc.texi (Decimal float library routines): New node.
12142 * config/dfp-bit.h, config/dfp-bit.c: New files.
12144 2006-01-18 Ben Elliston <bje@au.ibm.com>
12146 * expr.c (emit_move_change_mode): Always adjust addresses, not
12147 just during reload. Copy replacements only during reload.
12148 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12149 emit_move_via_integer.
12151 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12153 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12154 instead of $(srcdir) and ${srcdir}.
12156 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12159 PR middle-end/11135
12160 * arm.h (struct machine_function): Add pic_reg.
12161 * arm.c (arm_pic_register): Make unsigned.
12162 (arm_override_options): Only set arm_pic_register if
12163 TARGET_SINGLE_PIC_BASE.
12164 (use_return_insn): Only test for a pic register if it is fixed.
12165 (arm_compute_save_reg0_reg12_mask): Likewise.
12166 (thumb_compute_save_reg_mask): Likewise.
12167 (legitimate_pic_operand): Factor out some known invariants.
12168 (legitimize_pic_address): If we don't have a fixed pic register,
12169 then set up a pseudo in the function entry sequence. Handle the
12170 pic base being in a pseudo.
12171 (arm_load_pic_register): Handle the pic register being in a pseudo.
12172 (arm_expand_prologue): Only set up the pic register if it is fixed.
12173 (thumb_expand_prologue): Likewise.
12174 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12175 (pic_load_addr_based_insn): Likewise.
12176 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12179 2006-01-18 Ben Elliston <bje@au.ibm.com>
12181 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12182 decimal float modes for all floating point registers.
12184 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12185 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12187 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12190 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12191 even when the pointer is not NULL.
12193 2006-01-16 Ian Lance Taylor <ian@airs.com>
12195 * common.opt (ftoplevel-reorder): New option.
12196 * cgraph.c (cgraph_asm_nodes): New global variable.
12197 (cgraph_asm_last_node): New static variable.
12198 (cgraph_order): New global variable.
12199 (cgraph_create_node): Set new order field.
12200 (cgraph_varpool_node): Likewise.
12201 (decide_is_variable_needed): Return true if not
12202 flag_toplevel_reorder.
12203 (cgraph_add_asm_node): New function.
12204 * cgraph.h (struct cgraph_node): Add order field.
12205 (struct cgraph_varpool_node): Add order field.
12206 (struct cgraph_asm_node): Define.
12207 (cgraph_asm_nodes, cgraph_order): Declare.
12208 (cgraph_add_asm_node): Declare.
12209 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12211 (cgraph_varpool_assemble_pending_decls): Call it.
12212 (cgraph_output_pending_asms): New static function.
12213 (cgraph_finalize_compilation_unit): Call it.
12214 (struct cgraph_order_sort): Define.
12215 (cgraph_output_in_order): New static function.
12216 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12217 !flag_toplevel_reorder case.
12218 * c-parser.c: Include "cgraph.h".
12219 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12221 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12222 than -fno-unit-at-a-time.
12223 * doc/invoke.texi (Option Summary): Mention
12224 -fno-toplevel-reorder.
12225 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12226 -funit-at-a-time documentation.
12228 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12229 Kazu Hirata <kazu@codesourcery.com>
12231 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12233 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12235 * Makefile.in (FUNCTION_H): New. Use it instead of
12236 function.h throughout the file.
12237 * function.h: Include tree.h.
12239 2006-01-17 Ben Elliston <bje@au.ibm.com>
12241 * recog.c: Separate some functions with whitespace.
12243 2006-01-16 Richard Henderson <rth@redhat.com>
12245 Merge from gomp branch:
12246 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12247 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12248 and rename from struct inline_data. Rename callee* to dst*;
12249 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12250 transform_new_cfg, transform_return_to_modify, and
12251 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12253 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12254 (copy_decl_for_dup): Remove.
12255 * tree-inline.c (struct inline_data): Move to header.
12256 (insert_decl_map): Export.
12257 (remap_decl): Update for member name changes. Use copy_decl hook.
12258 Allow for replacement to be a non-decl. Remove dead code.
12259 (remap_type_1): Check for existing mapping.
12260 (remap_type): Export.
12261 (remap_decls): Update for member name changes.
12262 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12263 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12264 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12265 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12266 (tree_function_versioning, build_duplicate_type): Likewise.
12267 (copy_body_r): Likewise. Export.
12268 (copy_decl_for_dup): Split into ...
12269 (copy_decl_for_dup_finish, copy_decl_to_var,
12270 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12271 (replace_ref_tree, inlining_p): Remove.
12273 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12275 * ifcvt.c (if_convert): Make it static.
12276 * rtl.h: Remove the prototype for if_convert.
12278 * local-alloc.c (local_alloc): Make it static.
12279 * rtl.h: Remove the prototype for local_alloc.
12281 * loop.c (loop_optimize): Make it static.
12282 * cfgloop.h: Remove the prototype for loop_optimize.
12285 2006-01-16 DJ Delorie <dj@redhat.com>
12287 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12290 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12292 * pa.md: Disparage copies between general and floating-point registers
12293 in 32-bit move patterns.
12295 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12298 * Makefile.in (check-%): Depend on site.exp instead of
12299 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12302 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12304 * global.c (global_alloc): Make it static.
12305 * rtl.h: Remove the prototype for global_alloc.
12307 2006-01-16 Richard Guenther <rguenther@suse.de>
12309 * tree-ssa-alias.c (struct used_part): Add write_only field.
12310 (get_or_create_used_part_for): Initialize it to true.
12311 (create_overlap_variables_for): Don't create structure variables
12312 for structures that only are written to.
12313 (find_used_portions): Handle MODIFY_EXPR to track whether a
12314 structure is only written to.
12316 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12318 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12320 * basic-block.h: Remove the prototype for
12321 partition_hot_cold_basic_blocks.
12323 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12325 * cppspec.c (lang_specific_spec_functions): Remove.
12326 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12327 * gcc.h (lang_specific_spec_functions): Remove.
12328 * gccspec.c (lang_specific_spec_functions): Remove.
12330 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12332 * combine.c (record_value_for_reg): Invalidate registers
12334 (record_dead_and_set_regs_1): Likewise, by passing them to
12335 record_value_for_reg.
12336 (record_dead_and_set_regs): Invalidate stores made by a
12337 call. We do not combine across a call, but we still
12338 relied on equivalences.
12340 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12342 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12343 vrp_int_const_binop returning non-constant nodes.
12345 2006-01-16 Paul Brook <paul@codesourcery.com>
12347 * config/m68k/m68k.c (output_move_const_into_data_reg):
12348 Output correct mnemonic for mvz and mvs.
12350 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12352 * rtl-factoring.c: Add sequence abstraction algorithm.
12353 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12354 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12356 (block_has_preserve_label): New function.
12357 * common.opt: Register new pass.
12358 * Makefile.in: Ditto.
12360 * timevar.def: Ditto.
12361 * tree-pass.h: Ditto.
12362 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12363 * rtl.h (make_jump_insn_raw): Add forward decl.
12364 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12366 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12367 Roger Sayle <roger@eyesopen.com>
12369 * fold-const.c (fold_minmax): New static function.
12370 (fold_binary) <MIN_EXPR>: Call it.
12371 <MAX_EXPR>: Likewise.
12372 * stor-layout.c (place_field): Use DECL_SIZE consistently
12373 in the computation of the new record size.
12375 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12377 * cse.c (cse_condition_code_reg): Make it static.
12378 * rtl.h: Remove the prototype for cse_condition_code_reg.
12380 * combine.c (combine_instructions): Make it static.
12381 * rtl.h: Remove the prototype for combine_instructions.
12383 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12386 * tree.c (get_file_function_name_long): Concatenate the first global
12387 object name with a string derived from the input filename of the object
12390 2006-01-16 Ben Elliston <bje@au.ibm.com>
12392 * config/i386/winnt-stubs.c: Update FSF address.
12393 * config/xtensa/ieee754-df.S: Ditto.
12394 * config/xtensa/ieee754-sf.S: Ditto.
12396 2006-01-14 Ian Lance Taylor <ian@airs.com>
12398 * ifcvt.c (noce_init_if_info): New static function, broken out of
12399 noce_process_if_block.
12400 (noce_process_if_block): Call noce_init_if_info.
12401 (check_cond_move_block): New static function.
12402 (cond_move_process_if_block): New static function.
12403 (process_if_block): Call cond_move_process_if_block.
12405 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12407 * cselib.c (hash_table): Rename to cselib_hash_table.
12408 (cselib_clear_table, discard_useless_values,
12409 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12410 cselib_init, cselib_finish): Adjust uses of hash_table.
12412 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12414 PR tree-optimization/25485
12415 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12416 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12417 is known to be false and true, respectively.
12419 2006-01-14 Richard Guenther <rguenther@suse.de>
12421 PR tree-optimization/22548
12422 PR tree-optimization/22555
12423 PR tree-optimization/22501
12424 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12425 * params.def (salias-max-array-elements): New parameter.
12426 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12427 * doc/invoke.texi (salias-max-array-elements): Document.
12428 * tree-flow-inline.h (var_can_have_subvars): We also handle
12430 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12432 * tree-ssa-structalias.c (params.h): Include.
12433 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12434 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12435 (get_constraint_for): For ADDR_EXPR operating on something
12436 containing an ARRAY_REF, add all subvars to the solution.
12437 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12438 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12439 for creating MUST_DEFs.
12440 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12442 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12444 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12446 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12447 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12448 number_of_iterations_le): New functions.
12449 (number_of_iterations_special): Removed.
12450 (number_of_iterations_exit): Do not use number_of_iterations_special.
12451 * tree.c (unsigned_type_for): Always return integer type.
12453 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12454 Richard Guenther <rguenther@suse.de>
12456 PR rtl-optimization/24257
12457 * gcse.c (find_moveable_store): Only consider a store movable
12458 when the SET_SRC of the insn can be assigned to a register.
12460 2006-01-14 Ian Lance Taylor <ian@airs.com>
12462 * tree.c (tree_not_class_check_failed): New function.
12463 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12464 (tree_not_class_check_failed): Declare.
12466 2006-01-13 Ian Lance Taylor <ian@airs.com>
12468 * reload1.c (do_output_reload): Add assertion rejecting a
12471 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12473 * combine.c (struct reg_stat): Add new fields truncation_label and
12475 (record_value_for_reg): Reset truncated_to_mode.
12476 (record_truncated_value): New function.
12477 (check_promoted_subreg): Call it. Rename to check_conversions.
12478 (combine_instructions): Rename check_promoted_subreg to
12480 (reg_truncated_to_mode): New function.
12481 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12482 (gen_lowpart_or_truncate): New function.
12483 (force_to_mode): Use it instead of gen_lowpart.
12485 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12487 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12488 VAR is a tag, not its type tag.
12490 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12492 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12493 alternatives to match style of other entries.
12494 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12496 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12498 PR tree-optimization/25771
12499 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12502 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12505 * tree-inline.c (declare_return_variable): If the return variable
12506 was marked as a non gimple complex, set the return slot variable
12507 to be a non gimple comple variable.
12509 2006-01-13 Richard Guenther <rguenther@suse.de>
12511 * builtins.c (expand_builtin_sincos): New function.
12512 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12514 (expand_builtin): Expand sincos using expand_builtin_sincos.
12516 2006-01-12 DJ Delorie <dj@redhat.com>
12518 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12519 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12520 so that constant shifts can be split.
12521 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12522 (m32c_valid_pointer_mode): Make static.
12523 (shift_gen_func_for): New.
12524 (m32c_prepare_shift): Use it. Split large const shifts into
12526 * config/m32c/predicates.md (shiftcount_operand): Allow more
12528 (longshiftcount_operand): New.
12529 * doc/md.texi (Machine Constraints): Document In6.
12531 2006-01-13 Ben Elliston <bje@au.ibm.com>
12533 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12534 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12537 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12539 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12540 to try to avoid clobbering pieces of structures when we know
12541 something about the whole structure.
12542 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12544 2006-01-13 Ben Elliston <bje@au.ibm.com>
12546 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12547 return in memory, as this is no limitation is no longer present.
12549 2006-01-12 DJ Delorie <dj@redhat.com>
12551 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12552 mova with fb, and for fb+0 -> An.
12554 * config/m32c/mov.md (peephole2): Fix enabling logic.
12556 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12557 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12558 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12559 FINI_ARRAY_SECTION_ASM_OP): Define.
12561 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12563 (m32c_legitimize_reload_address): New logic to reload FB to An.
12564 (m32c_output_reg_push): Add newline.
12565 (m32c_output_reg_pop): Likewise.
12567 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12569 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12571 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12573 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12575 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12577 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12580 2006-01-11 Ben Elliston <bje@au.ibm.com>
12582 * rtlanal.c (find_reg_note): Assert insn is not null.
12584 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12586 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12589 2006-01-11 Jeff Law <law@redhat.com>
12591 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12593 (mark_threaded_blocks, register_jump_thread): New functions.
12594 (thread_through_all_blocks): Remove unwanted argument. No
12595 longer rely on e->aux to communicate thread target info.
12596 Call mark_threaded_blocks. Release the threaded_blocks
12597 bitmap and threaded_edges vector when complete.
12598 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12599 (threaded_blocks): Remove.
12600 (tree_ssa_dominator_optimize): Remove initialization and
12601 finalization of threaded_blocks. Simplify call to
12602 thread_through_all_blocks.
12603 (thread_across_edge): Call register_jump_thread rather than
12604 storing thread information into e->aux.
12605 (free_all_edge_infos): Simplify now that e->aux is no longer
12606 used to communicate with thread_through_all_blocks.
12607 * tree-flow.h (thread_through_all_blocks): Update prototype.
12608 (register_jump_thread): Prototype.
12610 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12612 * df-core.c (df_compact_blocks, df_bb_replace): Use
12613 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12615 2006-01-11 Richard Guenther <rguenther@suse.de>
12617 PR tree-optimization/25734
12618 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12619 stop propagation after successful propagation to the LHS.
12621 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12623 * basic-block.h (control_flow_graph): Change the type of
12624 x_basic_block_info to VEC(basic_block,gc) *.
12625 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12627 (SET_BASIC_BLOCK): New.
12628 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12629 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12630 * cfgbuild.c (find_basic_blocks): Likewise.
12631 * cfglayout.c (fixup_reorder_chain): Likewise.
12632 * cfgrtl.c (create_basic_block_structure,
12633 rtl_create_basic_block): Likewise.
12634 * ifcvt.c (find_if_case_1): Likewise.
12635 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12638 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12640 * Makefile.in: Removed rotted odf.c entry.
12642 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12645 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12646 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12647 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12648 output pattern modifier, not %e.
12649 * config/cris/cris.c (cris_op_str): Update comment about pattern
12651 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12652 before falling through into...
12653 <case 'E'>: Redefined from old 'e' case.
12655 2006-01-11 Jan Hubicka <jh@suse.cz>
12658 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12660 2006-01-11 Jan Hubicka <jh@suse.cz>
12662 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12663 * i386.c (x86_decompose_lea): Kill.
12664 (ix86_rtx_costs): Kill.
12666 2006-01-11 Jan Hubicka <jh@suse.cz>
12668 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12669 * cgraph.h (cgraph_node): Add inline_decl.
12670 (cgraph_insert_node_to_hashtable): Declare.
12671 (save_inline_function_body): Declare.
12672 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12674 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12675 (cgraph_function_versioning): Update call of tree_function_versioning.
12676 (save_inline_function_body): New function.
12677 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12678 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12679 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12680 (cgraph_default_inline_p): Likewise.
12681 (cgraph_decide_inlining_incrementally): Likewise.
12682 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12683 (copy_bb): Kill saving; do updating of clones.
12684 (copy_cfg_body): Kill saving.
12685 (initialize_inlined-parameters): Likewise.
12686 (expand_call_inline): Likewise.
12688 (tree_function_versioning): New parameter "update_clones".
12689 (inlining_p): Kill saving.
12690 * tree-inline.h (tree_function_versioning): Update prototype.
12691 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12694 2006-01-11 Ian Lance Taylor <ian@airs.com>
12696 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12697 Allow undoing set of machine mode.
12698 (do_SUBST): Use enums instead of is_int.
12699 (do_SUBST_MODE): New function.
12700 (SUBST_MODE): New macro.
12701 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12702 reg and trying to replace reg_regno_rtx with a new register.
12703 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12704 (simplify_set): Use SUBST_MODE.
12705 (distribute_notes): Remove code that tried to update reg notes
12706 for regno_reg_rtx changes.
12708 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12710 PR tree-optimization/23109
12711 PR tree-optimization/23948
12712 PR tree-optimization/24123
12714 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12715 * tree-cfg.c (single_noncomplex_succ): New.
12716 * tree-flow.h (single_noncomplex_succ): Declare it.
12717 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12718 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12719 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12720 insert_bb, register_division_in, insert_reciprocals,
12721 replace_reciprocal, free_bb): New.
12722 (execute_cse_reciprocals_1): Rewritten.
12723 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12724 Do not commit any edge insertion. Always compute dominators and
12725 create the allocation pool.
12726 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12727 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12728 * targhooks.c (default_min_divistions_for_recip_mul): New.
12729 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12730 * passes.c (init_optimization_passes): Run recip after tree loop
12732 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12734 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12735 Kenneth Zadeck <zadeck@naturalbridge.com>
12737 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12738 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12739 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12740 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12741 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12742 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12743 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12744 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12745 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12746 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12747 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12748 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12749 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12750 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12751 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12752 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12753 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12754 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12755 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12756 DF_SCAN_POST_ALLOC): New macros.
12757 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12758 df_free_bb_function, df_local_compute_function, df_init_function,
12759 df_dataflow_function, df_confluence_function_0,
12760 df_confluence_function_n, df_transfer_function,
12761 df_finalizer_function, df_free_function, df_dump_problem_function,
12762 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12763 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12764 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12765 df_urec_bb_info, ) New types.
12766 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12768 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12769 df_analyze_simple_change_some_blocks,
12770 df_analyze_simple_change_one_block, df_compact_blocks,
12771 df_bb_replace, df_bb_regno_last_use_find,
12772 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12773 df_insn_regno_def_p, df_find_def, df_find_use,
12774 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12775 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12776 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12777 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12778 debug_df_chain, df_get_dependent_problem, df_chain_create,
12779 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12780 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12781 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12782 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12783 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12784 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12785 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12786 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12787 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12788 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12789 df_reorganize_refs, df_set_state, df_hard_reg_init,
12790 df_read_modify_subreg_p) New public functions.
12791 * df-core.c: The core dataflow solver and glue routines for rtl
12793 (df_init, df_add_problem, df_set_blocks, df_finish,
12794 df_hybrid_search_forward, df_hybrid_search_backward,
12795 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12796 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12797 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12798 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12799 df_reg_defined, df_find_use, df_reg_used, df_dump,
12800 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12801 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12802 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12803 debug_df_useno, reset_df_after_reload): New functions.
12804 * df-scan.c: The scanning fuctions, once in df.c, completely
12805 rewritten so that they now fully model the functionality of
12806 register usage at the backend.
12807 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12808 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12809 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12810 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12811 df_get_artificial_defs, df_get_artificial_uses,
12812 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12813 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12814 df_refs_delete, df_reorganize_refs, df_set_state,
12815 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12816 df_def_record_1, df_defs_record, df_uses_record,
12817 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12818 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12819 df_record_exit_block_uses, df_hard_reg_init): New functions.
12821 * df-problems.c: Seven concrete dataflow problems that use the
12822 scanning in df-scan.c and are solved by the engine in df-core.c.
12823 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12824 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12825 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12826 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12827 df_ru_free_bb_info, df_ru_alloc,
12828 df_ru_bb_local_compute_process_def,
12829 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12830 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12831 df_ru_transfer_function, df_ru_free, df_ru_dump,
12832 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12833 df_rd_free_bb_info, df_rd_alloc,
12834 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12835 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12836 df_rd_transfer_function, df_rd_free, df_rd_dump,
12837 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12838 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12839 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12840 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12841 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12842 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12843 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12844 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12845 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12846 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12847 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12848 df_urec_mark_reg_use_for_earlyclobber,
12849 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12850 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12851 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12852 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12853 df_chain_create_bb_process_use, df_chain_create_bb,
12854 df_chain_finalize, df_chain_free, df_chains_dump,
12855 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12856 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12857 df_reg_lifetime): New functions.
12858 * df.c: Deleted file.
12859 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12860 consistent with new df api.
12861 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12862 rest_of_handle_sms): Ditto.
12863 * web.c (unionfind_union, union_defs, entry_register, web_main):
12865 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12866 invariant_expr_equal_p, find_defs, check_dependencies,
12867 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12868 free_inv_motion_data, move_loop_invariants): Ditto.
12869 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12870 Update dependencies.
12871 (odf.c): Added defective entry that was deleted later in day.
12872 * sched-deps.c (sched_analyze_1): Ditto.
12874 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12876 * tree-ssa-operands.c (get_expr_operands): Record addressable
12877 variables directly. Do not call add_stmt_operands for CONST_DECLs
12879 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12880 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12882 2006-01-11 Ben Elliston <bje@au.ibm.com>
12884 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12885 function returns true in the positive case.
12887 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12890 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12891 for SI, DI, SF and DF modes. Add alternatives to copy between
12892 general and floating point registers to the 32-bit patterns.
12893 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12894 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12895 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12896 generating 64-bit code.
12897 * config/pa/pa.c (output_move_double): Handle copies between general
12898 and floating registers.
12900 2006-01-10 Stuart Hastings <stuart@apple.com>
12902 * config/i386/i386.md (set_got): Update.
12903 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12904 (builtin_setjmp_receiver): Mach-O support.
12905 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12906 (GOT_SYMBOL_NAME): Define.
12907 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12908 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12909 * config/i386/i386.c (override_options): Revise for Darwin.
12910 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12911 support. (darwin_x86_file_end): New. (output_set_got): Add label
12912 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12913 * config/i386/i386-protos.h (output_set_got): Likewise.
12914 * config/darwin.c (machopic_legitimize_pic_address): Update
12917 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12919 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12920 when MODE isn't BLKmode.
12922 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12924 PR rtl-optimization/25367
12925 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12927 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12930 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12931 for a negative bound.
12933 2006-01-10 Richard Guenther <rguenther@suse.de>
12935 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12936 Never override with anything constraint.
12938 2006-01-10 Jan Beulich <jbeulich@novell.com>
12940 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12941 256 bits when optimize_size.
12943 2006-01-10 Jan Beulich <jbeulich@novell.com>
12945 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12947 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12948 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12951 2006-01-10 Ben Elliston <bje@au.ibm.com>
12953 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12955 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12956 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12957 (USE_FP_FOR_ARG): Reject decimal float modes.
12958 (function_arg_advance): Likewise.
12959 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12960 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12961 point types in AltiVec vectors.
12962 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12963 (rs6000_libcall_value): Likewise.
12965 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12967 * config/xtensa/ieee754-df.S: New file.
12968 * config/xtensa/ieee754-sf.S: New file.
12969 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12970 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12971 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12973 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12975 * config/sh/predicates.md (binary_float_operator,
12976 binary_logical_operator, commutative_float_operator,
12977 equality_comparison_operator, greater_comparison_operator,
12978 less_comparison_operator, logical_operator,
12979 noncommutative_float_operator, shift_operator,
12980 symbol_ref_operand, unary_float_operator): Remove redundant
12983 2006-01-09 Jeff Law <law@redhat.com>
12985 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12986 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12987 now unused arguments. Callers updated.
12988 (eliminate_redundant_computations): Remove now unused arguments,
12990 (local_fold): Remove, no longer used.
12991 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12993 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12994 (simplify_cond): New function.
12995 (forward_propagate_into_cond): Call simplify_cond.
12997 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12999 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13000 (*vec_extractv2di_1_sse): New.
13002 2006-01-09 Ben Elliston <bje@au.ibm.com>
13004 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13006 2006-01-08 Richard Guenther <rguenther@suse.de>
13008 * tree-ssa-structalias.c (get_constraint_for): Remove
13009 anyoffset argument.
13010 (get_constraint_for_component_ref): Likewise.
13011 (do_deref): Likewise.
13012 (get_constraint_for): Likewise.
13013 (do_structure_copy): Likewise.
13014 (handle_ptr_arith): Likewise.
13015 (find_func_aliases): Likewise. Remove unused need_anyoffset
13018 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13019 Kaz Kojima <kkojima@gcc.gnu.org>
13021 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13022 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13023 (EXTRA_CONSTRAINT_C16): Remove.
13024 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13025 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13026 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13027 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13028 constants of SHmedia. Handle nested constant expressions of
13030 (andcosts): Fix the costs for SHmedia constants.
13031 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13032 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13033 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13034 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13035 (movv4hi_i, movv2si_i): Likewise.
13036 (movsi_const): Adjust the second operand of ior so to match with
13037 the Csu constraint.
13038 (movdi_const, movdi_const_32bit): Likewise.
13039 (movdi_const_16bit+1): Don't sign-extend LOW.
13040 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13042 (*double_shori): Fix the split condition. Use GEN_INT instead
13043 of get_int_mode calls. Mask lower 16-bit of the argument of
13045 (sym2GOTPLT): Remove.
13046 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13048 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13049 instead of EXTRA_CONSTRAINT_C16.
13051 2006-01-07 Ian Lance Taylor <ian@airs.com>
13052 David Edelsohn <edelsohn@gnu.org>
13054 PR rtl-optimization/25662
13055 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13056 for constant operands instead of simplify_gen_binary.
13057 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13058 after trying simplify_binary_operation
13060 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13062 * tree.c (iterative_hash_expr): Hash decls based on UID.
13064 2006-01-06 Eric Christopher <echristo@apple.com>
13066 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13067 (TARGET_UNWIND_EMIT): Fix spelling.
13068 * target.h (gcc_target): Add except_table_label.
13069 * except.c (output_function_exception_table): Use.
13070 * varasm.c (default_emit_except_table_label): New.
13071 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13073 (asm_out): Add here.
13074 * output.h (default_emit_except_table_label): Prototype.
13075 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13076 * config/darwin.c (darwin_emit_except_table_label): Define.
13077 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13079 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13081 PR tree-optimization/18527
13082 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13083 number_of_iterations_special, number_of_iterations_exit):
13084 Move base and step of an iv to a single structure. Add
13085 no_overflow flag, and use it in # of iterations analysis.
13086 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13087 folded_casts argument.
13088 (simple_iv): Pass base and step in a structure. Set no_overflow
13090 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13091 Evaluate expensiveness of computing # of iterations instead of
13092 the final expression.
13093 * tree-scalar-evolution.h (affine_iv): New structure.
13094 (simple_iv): Declaration changed.
13095 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13096 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13097 find_givs_in_stmt): Changed due to simple_iv change.
13099 2006-01-06 Jeff Law <law@redhat.com>
13102 * tree-cfg.c (bsi_replace): Rename final argument from
13103 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13104 change (stmt -> orig_stmt).
13105 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13106 (bsi_remove): Add new argument. Remove EH information
13108 (verify_eh_throw_table_statements): New function.
13109 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13111 * tree-optimize.c (execute_free_cfg_annotations): Verify
13112 the EH throw statement table after removing annotations.
13113 * except.h (verify_eh_throw_table_statements): Prototype.
13114 * tree-flow.h (bsi_remove): Update prototype.
13115 * tree-vrp.c (remove_range_assertions): Add new argument to
13117 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13118 * tree-complex.c (expand_complex_div_wide): Likewise.
13119 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13120 * tree-tailcall.c (eliminate_tailcall): Likewise.
13121 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13122 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13123 * tree-nrv.c (tree_nrv): Likewise.
13124 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13125 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13126 (combine_blocks): Likewise.
13127 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13128 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13129 (cleanup_control_flow): Likewise.
13130 (remove_forwarder_block): Likewise.
13131 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13132 * tree-sra.c (sra_replace): Likewise.
13133 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13134 (forward_propagate_single_use_vars): Likewise.
13135 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13136 * tree-inline.c (expand_call_inline): Likewise.
13137 * tree-vect-transform.c (vect_transform_loop): Likewise.
13138 * tree-outof-ssa.c (rewrite_trees): Likewise.
13139 * tree-cfg.c (make_goto_expr_edges): Likewise.
13140 (cleanup_dead_labels): Likewise.
13141 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13142 (bsi_move_before, bsi_move_after): Likewise.
13143 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13144 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13146 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13149 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13151 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13152 on non gimple variables. Also add checks at the top for decls and
13154 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13156 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13157 and IMAGPART_EXPR for creating MUST_DEFs.
13158 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13159 and NAME_MEMORY_TAG separately from the DECLs.
13161 2006-01-06 Richard Guenther <rguenther@suse.de>
13163 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13164 annotation, if necessary.
13165 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13166 redundant calls to update_stmt.
13167 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13170 2006-01-05 Richard Henderson <rth@redhat.com>
13172 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13174 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13176 * c-typeck.c: Update copyright date.
13178 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13180 * c-typeck.c (build_c_cast): Always warn when casting
13181 from a pointer to an integer of different size, even if
13182 the node was constant.
13184 2006-01-05 Richard Guenther <rguenther@suse.de>
13186 PR tree-optimization/22555
13187 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13188 if one structure field is an array.
13189 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13190 operands even if we found a subvar, but ignore VOPs in this
13192 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13194 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13196 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13198 PR middle-end/24998
13199 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13201 2006-01-05 Richard Guenther <rguenther@suse.de>
13202 Diego Novillo <dnovillo@redhat.com>
13204 * tree-pass.h (TODO_remove_unused_locals): Define.
13205 * gimple-low.c (expand_var_p, remove_useless_vars,
13206 pass_remove_useless_vars): Remove. Update all users.
13207 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13208 (remove_unused_locals): New function.
13209 * tree-flow.h (remove_unused_locals): Declare.
13210 * passes.c (execute_todo): Call remove_unused_locals if
13211 TODO_remove_unused_locals is set.
13212 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13213 * tree-ssa-dce.c (pass_dce): Likewise.
13214 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13216 2006-01-05 Richard Guenther <rguenther@suse.de>
13218 * tree-flow.h (struct fieldoff): Decompose field to
13219 type, size and decl.
13220 * tree-ssa-alias.c (create_sft): Take type as parameter.
13221 (create_overlap_variables_for): Store type, size and decl
13222 in the fieldoff structure.
13223 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13224 of struct fieldoff.
13225 (push_fields_onto_fieldstack): Likewise.
13226 (create_variable_info_for): Likewise. Use offset for the
13227 SFT name if the decl is not available.
13229 2006-01-04 Paul Brook <paul@codesourcery.com>
13231 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13233 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13235 * lambda-code.c (can_put_in_inner_loop): Relax
13237 (can_put_after_inner_loop): New function.
13238 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13239 (perfect_nestify): Change to make copies and modify uses.
13241 2006-01-04 Richard Henderson <rth@redhat.com>
13243 Merge from gomp branch:
13244 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13245 via integer constant.
13246 (pragma_lex): Remove.
13247 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13248 rather than parsing it.
13249 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13250 handle_pragma_extern_prefix): Add %< %> quotes.
13251 (registered_pragmas): New.
13252 (c_register_pragma_1): New.
13253 (c_register_pragma): Use it.
13254 (c_register_pragma_with_expansion): Likewise.
13255 (c_invoke_pragma_handler): New.
13256 (init_pragma): Use cpp_register_deferred_pragma directly for
13258 * c-pragma.h (enum pragma_kind): New.
13259 (pragma_handler): New.
13260 (c_invoke_pragma_handler): Declare.
13261 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13263 * c-common.h (c_common_pch_pragma): Update decl.
13264 * Makefile.in (c-parser.o): Update dependencies.
13265 (GTFILES): Add c-pragma.h.
13266 * c-parser.c (struct c_token): Add pragma_kind.
13267 (struct c_parser): Add in_pragma.
13268 (c_lex_one_token): Always initialize keyword and pragma_kind.
13269 Extract data for CPP_PRAGMA.
13270 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13271 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13272 Don't allow CPP_PRAGMA_EOL if in_pragma.
13273 (c_parser_consume_pragma): New.
13274 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13275 (c_parser_skip_to_end_of_parameter): Likewise.
13276 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13277 (c_parser_skip_to_pragma_eol): New.
13278 (c_parser_external_declaration): Handle CPP_PRAGMA.
13279 (c_parser_compound_statement_nostart): Likewise.
13280 (c_parser_statement_after_labels): Likewise.
13281 (c_parser_pragma): New.
13282 (pragma_lex): Likewise.
13283 (c_parser_pragma_pch_preprocess): New.
13284 (c_parser_new): Merge into ...
13285 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13287 2006-01-04 Jeff Law <law@redhat.com>
13290 * tree-cfg.c (bsi_replace): Remove the original statement
13291 from the EH throw statement table.
13293 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13295 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13296 make the prototype extern "C" and add throw ().
13299 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13300 and pos non-negative and pos + len <= 32.
13301 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13302 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13303 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13306 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13307 as well as sizes not multiple of component size.
13310 * function.c (instantiate_expr): New function.
13311 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13312 walk its DECL_VALUE_EXPR with instantiate_expr.
13314 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13315 DW_OP_deref{,_size} if address isn't going to be added.
13317 2006-01-04 Ben Elliston <bje@au.ibm.com>
13319 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13320 * config/fp-bit.c: Likewise.
13322 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13324 * dominance.c: Add comment about why we use DFS numbering
13327 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13328 Richard Henderson <rth@redhat.com>
13330 Merge from gomp-branch:
13331 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13332 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13334 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13336 PR rtl-optimization/25578
13337 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13338 pass a parameter to simplify_shift_const if changing ASHIFTRT
13341 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13343 * builtins.c (get_builtin_sync_mem): New function.
13344 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13345 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13346 Call get_builtin_sync_mem to generate mem rtx.
13348 2006-01-03 Richard Guenther <rguenther@suse.de>
13351 * stmt.c (add_case_node): Make sure to clear overflow flags
13354 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13356 Merge from gomp-branch.
13357 * config/sparc/sync.md: New file.
13358 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13359 UNSPECV_LDSTUB): New constants.
13360 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13361 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13362 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13365 2006-01-03 Roger Sayle <roger@eyesopen.com>
13367 * combine.c (reg_subword_p): New predicate to test whether the
13368 destination of a set refers to a subword/piece of a register.
13369 (try_combine): Generalize the code to merge the setting of a
13370 pseudo to a constant followed by a set of a subword of that
13371 register to a constant.
13373 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13375 * basic-block.h (control_flow_graph): Change the type of
13376 x_label_to_block_map to VEC(basic_block,gc) *.
13377 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13378 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13380 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13381 VEC(basic_block,heap) *.
13382 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13383 ssa_prop_fini): Adjust the uses of cfg_blocks.
13385 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13387 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13389 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13390 hashing trees instead of a pointer hash.
13391 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13392 compare for MEM_EXPR.
13394 PR rtl-optimization/25130
13395 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13396 when comparing MEMs for GCSE
13398 2006-01-03 Ben Elliston <bje@au.ibm.com>
13400 * targhooks.h (default_decimal_float_supported_p): Declare.
13401 * targhooks.c (default_decimal_float_supported_p): Define.
13402 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13403 `default_decimal_float_supported_p'.
13404 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13406 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13408 * combine.c (apply_distributive_law <SUBREG>): Check
13409 TRULY_NOOP_TRUNCATION.
13411 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13413 * dwarf2out.c (have_switched_text_section): Delete.
13414 (have_multiple_function_sections): New.
13415 (have_location_lists): Make 'bool'.
13416 (add_AT_loc_list): Use 'true' not '1'.
13417 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13418 (output_loc_list): Use have_multiple_function_sections.
13419 (output_ranges): Likewise.
13420 (dwarf2out_begin_function): Set have_multiple_function_sections if
13422 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13423 Check function_section rather than DECL_SECTION_NAME.
13424 (dwarf2out_finish): Use have_multiple_function_sections.
13425 Don't clear have_location_lists.
13427 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13428 Jan Hubicka <jh@suse.cz>
13430 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13431 case of conditional jump jumping to the next instruction.
13432 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13433 cases of conditional jump jumping to the next instruction.
13435 2006-01-02 Jan Hubicka <jh@suse.cz>
13437 * i386.c (*_cost): Add COSTS_N_INSNS.
13438 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13440 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13443 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13445 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13447 * config/arm/arm.c (all_fpus): Fix comment typo.
13448 * config/darwin.c: Likewise.
13449 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13450 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13451 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13453 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13455 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13456 (rs6000_split_compare_and_swapqhi): New.
13457 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13458 (sync_compare_and_swapqhi_internal): New.
13459 * config/rs6000/rs6000-protos.h: Declare.