1 2006-07-20 Eric Christopher <echristo@apple.com>
4 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6 2006-07-19 Eric Christopher <echristo@apple.com>
8 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9 Rewrite dependencies for libgcc_s.1.dylib.
11 2006-07-19 Jakub Jelinek <jakub@redhat.com>
13 * except.c (duplicate_eh_regions_1): Clear next_peer.
15 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
17 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
18 -mlongcall does not guarantee all calls will be long.
19 * doc/extend.texi (long_call/short_call): Document that longcall
20 does not guarantee a long call will be used.
21 (longcall/shortcall): Likewise.
23 2006-07-18 Roger Sayle <roger@eyesopen.com>
26 * expmed.c (expand_shift): Additionally check that the shift_cost
27 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
28 before implementing a LSHIFT_EXPR as a sequence of additions.
29 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
30 middle-end that DImode shifts need to be synthesized by expand.
32 2006-07-18 Diego Novillo <dnovillo@redhat.com>
35 * tree-ssa-operands.c (access_can_touch_variable): Update
37 Return true if ALIAS is .GLOBAL_VAR.
39 2006-07-18 David Daney <ddaney@avtrex.com>
41 * gcc.c (display_help): Fix typo in help text.
43 2006-07-18 Olivier Hainque <hainque@adacore.com>
45 * tree.h (categorize_ctor_elements): Adjust prototype and add
46 descriptive comment, both in accordance with the interface change
48 * varasm.c (constructor_static_from_elts_p): New function.
49 Whether a constructor node is a valid static constant initializer
50 if all its elements are.
51 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
52 * output.h: Declare it.
53 * expr.c (categorize_ctor_elements_1): Return whether the constructor
54 is a valid constant initializer instead of computing the number of
55 non-constant elements. Use constructor_static_from_elts_p for this
56 purpose. Replace the head comment with an indication that this is a
57 helper for categorize_ctor_elements.
58 (categorize_ctor_elements): Same interface change as for the _1
59 helper. Former head comment from this helper moved here, adjusted to
60 account for the interface changes.
61 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
62 (all_zeros_p): Likewise.
63 * gimplify.c (gimplify_init_constructor): Decide whether we can make
64 static versions of the constructor from the categorize_ctor_elements
65 return value instead of the formerly computed number of non-constant
68 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
70 * configure: Regenerate.
71 * Makefile.in (build_libsubdir): New configure substitution
72 (build_libobjdir): New variable.
73 (BUILD_LIBIBERTY): Use it.
75 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
78 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
80 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
83 * c-common.c (handle_weakref_attribute): Ignore attribute in
84 the same conditions the alias attribute is ignored.
86 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
88 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
89 (dbxout_begin_prologue): Increment scope_labelno.
91 2006-07-17 Richard Henderson <rth@redhat.com>
94 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
97 2006-07-17 Roger Sayle <roger@eyesopen.com>
98 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
100 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
101 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
102 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
103 functions such as sbrk, write, etc.. Add function prototypes.
104 Convert function declarations from K&R to ISO C. Cast pointers
105 to "long" and "unsigned long" instead of "int" and "unsigned int".
106 Convert tokens following #endif into comments.
108 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
110 * invoke.texi: Remove mention of f77; Reformat table for
111 inline parameter options correctly; mention that -malign-double
112 is default on x86-64 targets.
114 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
116 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
117 (convert_affine_scev, chrec_convert_aggressive): Use
118 avoid_arithmetics_in_type_p. Do not check for the subtypes
121 2006-07-17 Richard Sandiford <richard@codesourcery.com>
124 * optabs.c (expand_doubleword_shift): Wrap the call to
125 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
127 2006-07-17 Richard Sandiford <richard@codesourcery.com>
130 * optabs.c (expand_binop): Pass next_methods rather than methods
131 to expand_doubleword_shift.
133 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
136 * tree.h (dump_addr): Declare.
137 * print-tree.c (dump_addr): New function.
138 (print_node_brief, print_node): Use it.
139 * print-rtl.c (print_rtx): Likewise.
140 * common.opt (-fdump-noaddr): New option.
141 * doc/invoke.texi (-fdump-noaddr): Document.
142 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
143 (ve_info_hash): Likewise.
145 2006-07-13 Andrew Haley <aph@redhat.com>
147 PR tree-optimization/19505
148 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
149 edge leaving this block, make sure that the destination of this
150 block has only one predecessor.
152 2006-07-17 Richard Guenther <rguenther@suse.de>
154 PR tree-optimization/28238
155 * tree-inline.c (copy_bb): Check if we produced valid
156 gimple copying and substituting a stmt. If not, gimplify
159 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
161 * optabs.c (maybe_encapsulate_block): New function extracted from...
162 (emit_libcall_block): ...here. Invoke it on the block of insns to
163 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
164 (emit_no_conflict_block): Likewise.
166 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
168 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
170 2006-07-15 Roger Sayle <roger@eyesopen.com>
172 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
173 a new NOP_EXPR case of the switch statement.
175 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
178 * stor-layout.c (place_field): Take the bit field with
179 an excessive size into account in the ms-bitfiled case.
182 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
183 the previous bit field.
185 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
188 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
190 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
192 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
193 signal frames correctly even when the signal was installed with
196 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
198 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
199 (dbxout_function_end): Use local label LFBB. Remove hook
201 (dbxout_source_line): Use local label LFBB.
202 (dbxout_block): Likewise.
203 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
204 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
205 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
208 2006-07-13 Janis Johnson <janis187@us.ibm.com>
210 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
212 2006-07-13 Jan Hubicka <jh@suse.cz>
214 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
216 * output.h (align_variable): Declare.
217 * varasm.c (align_variable): Export.
218 * value-prof.c (tree_value_profile_transformations): Recompute iterator
219 when basic block changed.
221 2006-07-13 Nick Clifton <nickc@redhat.com>
223 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
224 walking the LOG_LINKS chain.
226 2006-07-12 Geoffrey Keating <geoffk@apple.com>
228 * doc/invoke.texi (C++ Dialect Options): Explain difference
229 between -fvisibility-inlines-hidden and setting hidden
230 visibility explicitly.
232 2006-07-12 Eric Christopher <echristo@apple.com>
234 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
235 (stmp-lipo): Depend on libgcc.a.
237 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
239 * tree.c: Fix a comment typo.
241 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
243 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
245 (umulhisi3_r): Likewise.
247 2006-07-12 Paolo Carlini <pcarlini@suse.de>
250 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
251 x < 19, vs wchar_t support.
253 2006-07-12 Nick Clifton <nickc@redhat.com>
255 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
258 2006-07-12 Mike Stump <mrs@apple.com>
260 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
262 2006-07-10 Eric Christopher <echristo@apple.com>
264 * config/t-slibgcc-darwin: Rewrite.
266 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
269 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
272 2006-07-08 Matthias Klose <doko@debian.org>
274 * doc/sourcebuild.texi: Fix typo.
276 2006-07-07 Mike Stump <mrs@apple.com>
278 * toplev.c (process_options): Don't give -ffunction-sections may
279 affect debugging warning for Mach-O.
281 2006-07-07 James E Wilson <wilson@specifix.com>
283 * config/mips/mips.md (cpu): Add sb1a.
284 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
285 addition to sb1. Adjust comments to clarify SB-1A differences from
287 (ir_sb1a_load): New. Modify bypasses to use it.
288 (ir_sb1a_simple_alu): Likewise.
289 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
290 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
291 (mips_issue_rate): Add PROCESSOR_SB1A.
292 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
293 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
294 (TARGET_SB1): Add PROCESSOR_SB1A check.
295 (TUNE_SB1): Likewise.
297 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
298 * config/mips/mips.c (mips_store_data_bypass_p): New.
299 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
302 2006-07-08 Paul Brook <paul@codesourcery.com>
305 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
307 2006-07-07 Richard Guenther <rguenther@suse.de>
310 * tree.h (build_one_cst): Declare.
311 * tree.c (build_one_cst): New function.
312 * tree-ssa-math-opts.c (get_constant_one): Remove.
313 (insert_reciprocals): Use build_one_cst.
314 * fold-const.c (fold_plusminus_mult): Likewise.
316 2006-07-07 Roger Sayle <roger@eyesopen.com>
318 * pointer-set.c (pointer_set_destroy): Correct whitespace.
319 * cfgloopanal.c (dump_graph): Likewise.
320 * dojump.c (discard_pending_stack_adjust): Likewise.
321 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
323 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
324 * function.c (finalize_block_changes): Likewise.
325 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
326 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
327 * rtl.c (dump_rtx_statistics): Likewise.
328 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
330 * varray.c (dump_varray_statistics): Likewise.
331 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
332 decode_decimal64, encode_decimal128, decode_decimal128,
333 decimal_real_to_decimal): Likewise.
335 2006-07-07 Richard Guenther <rguenther@suse.de>
337 PR tree-optimization/28187
338 * tree-vrp.c (vrp_operand_equal_p): New function.
339 (vrp_bitmap_equal_p): Likewise.
340 (update_value_range): Use them to compare old and new
343 2006-07-06 Roger Sayle <roger@eyesopen.com>
345 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
346 a default case to switch statement to silence compiler warnings.
348 2006-07-06 Roger Sayle <roger@eyesopen.com>
351 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
352 the configured assembler supports the x87's ffreep mnemonic.
353 * configure: Regenerate.
354 * config.in: Regenerate.
356 * config/i386/i386.c (output_387_ffreep): New function.
357 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
358 (output_387_reg_move): Likewise.
360 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
362 Port to hosts whose 'sort' and 'tail' implementations
363 treat operands with leading '+' as file names, as POSIX
364 has required since 2001. However, make sure the code still
365 works on pre-POSIX hosts.
366 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
367 which says you should use "tail -c +N" rather than "tail +Nc".
368 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
370 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
372 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
375 2006-07-06 David Edelsohn <edelsohn@gnu.org>
378 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
379 PRE_{INC,DEC} of TFmode.
381 2006-07-06 David Edelsohn <edelsohn@gnu.org>
382 Alan Modra <amodra@bigpond.net.au>
385 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
388 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
391 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
392 Remove duplicate gtu.
394 2006-07-05 Jason Merrill <jason@redhat.com>
398 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
399 * c-common.c (handle_packed_attribute): So don't copy it here.
400 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
402 2006-07-05 Mike Stump <mrs@apple.com>
404 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
406 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
409 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
411 2006-07-05 Richard Guenther <rguenther@suse.de>
414 * config/i386/i386.md (*negdf2_1): Restrict pattern to
415 TARGET_SSE2 targets if using SSE math.
416 (*absdf2_1): Likewise.
418 2006-07-05 Richard Guenther <rguenther@suse.de>
420 PR tree-optimization/28162
421 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
422 make sure to convert the operands to the correct type.
424 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
426 PR tree-optimization/28218
428 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
429 to calculate and free the dominator information.
431 2006-07-04 Peter O'Gorman <peter@pogma.com>
433 * mklibgcc.in: chmod 644 before ranlib during install.
435 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
436 J"orn Rennecke <joern.rennecke@st.com>
438 * configure.ac (.eh_frame data check): Use diff -b.
440 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
443 * Makefile.in (BUILD_RTL): Add build/vec.o.
444 (build/gencondmd.o): Filter out -fkeep-inline-functions.
445 (build/genextract): Delete.
446 (build/genautomata): Likewise.
448 2006-07-04 Alan Modra <amodra@bigpond.net.au>
451 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
452 128-bit IBM long doubles for ABI_V4.
454 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
456 * tree.c (range_in_array_bounds_p): New predicate.
457 * tree.h (range_in_array_bounds_p): Declare it.
458 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
459 return a less conservative answer.
460 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
462 (IS_ELEMENT_FOR_GROUP): New macro.
463 (FOR_EACH_ACTUAL_CHILD): Likewise.
464 (next_child_for_group): New helper function.
465 (can_completely_scalarize_p): Take into account groups.
466 (sra_hash_tree): Handle RANGE_EXPR.
467 (sra_elt_eq): Likewise.
468 (lookup_element): Be prepared for handling groups.
469 (is_valid_const_index): Delete.
470 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
471 instead of is_valid_const_index.
472 <ARRAY_RANGE_REF>: New case.
473 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
474 is_valid_const_index.
475 <ARRAY_RANGE_REF>: Do not unconditionally punt.
476 (scan_dump): Dump info for groups too.
477 (decide_instantiation_1): Likewise.
478 (decide_block_copy): Assert that the element is not a group.
479 Propagate decision to groups.
480 (generate_one_element_ref): Handle RANGE_EXPR.
481 (mark_no_warning): Iterate over actual childs.
482 (generate_copy_inout): Likewise.
483 (generate_element_copy): Likewise.
484 (generate_element_zero): Likewise.
485 (generate_element_init_1): Likewise.
486 (dump_sra_elt_name): Handle RANGE_EXPR.
488 2006-07-03 Roger Sayle <roger@eyesopen.com>
490 PR tree-optimization/26251
491 * tree-ssa-threadupdate.c (redirection_block_p): New function.
492 (thread_block): When optimizing for size refuse to thread jumps
493 that would require duplication of blocks other than redirection
496 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
498 * configure.ac: Fix thinko in previous check-in.
499 * configure: Regenerate.
501 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
504 * configure.ac (for lang...): Simplify nesting of conditionals.
505 Test subdir_requires for non-enabled languages. Move processing
506 of lang_opt_files and lang_tree_fiels below that test.
507 * configure: Regenerate.
508 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
510 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
512 * doc/gcov.texi (Invoking Gcov): Add a missing word.
514 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
516 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
519 2006-06-29 Jason Merrill <jason@redhat.com>
526 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
527 * c-common.c (c_determine_visibility): Handle it here.
528 * c-decl.c (finish_decl): Call c_determine_visibility for
530 * flags.h (enum symbol_visibility): Sort from most to least visibility.
532 * varasm.c (default_assemble_visibility): Likewise.
533 * c-common.c (handle_visibility_attribute): Complain about trying
534 to give visibility to an already defined class, or trying to change
535 declared visibility. Always attach the attribute.
540 * attribs.c (decl_attributes): Ignore type-in-place attributes
541 once the type has been defined.
543 2006-06-29 Roger Sayle <roger@eyesopen.com>
546 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
547 to indicate the cpplib has issued an error message for us.
549 2006-06-29 Asher Langton <langton2@llnl.gov>
552 * config/i386/i386.c (ix86_output_function_epilogue): Don't
553 insert a label at the end of an function under Mach-O.
555 2006-06-29 Eric Christopher <echristo@apple.com>
556 Evan Cheng <evan.cheng@apple.com>
558 * predicates.md (vector_all_ones_operand): New.
559 (nonimmediate_or_sse_const_operand): Ditto.
560 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
561 * config/i386/i386.c (standard_sse_constant_opcode): Define.
562 (standard_sse_mode_p): Ditto.
563 (standard_sse_constant_p): Add case for -1 vector.
564 (ix86_expand_vector_move): Try to use.
565 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
566 Call standard_sse_constant_opcode.
567 (*movv4sf_internal): Ditto.
568 (*movv2df_internal): Ditto.
570 2006-06-29 Roger Sayle <roger@eyesopen.com>
572 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
573 of XEXP to extract the operands of a MATCH_CODE rtx.
575 2006-06-28 Andrew Pinski <pinskia@gmail.com>
577 * tree.c (tree_size): Do not waste tail padding in
578 struct tree_string and make the size be the same as
579 build_string will generate.
581 2006-06-28 Jason Merrill <jason@redhat.com>
584 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
585 may_aliases already in the tag's annotations to the bitmap.
587 2006-06-28 Roger Sayle <roger@eyesopen.com>
589 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
591 2006-06-28 Roger Sayle <roger@eyesopen.com>
593 * genpreds.c (generate_switch_p): New function.
594 (add_mode_tests): Push the new mode test down inside an AND expr
595 if this allows the switch-suitable MATCH_CODE to be near the root.
596 (write_match_code_switch): New function to write a MATCH_CODE as
598 (write_predicate_stmts): New function to write a predicate RTX
599 expression as a sequence of statements.
600 (write_one_predicate_function): Use write_predicate_stmts.
601 (write_tm_constrs_h): Likewise.
603 2006-06-26 Fred Fish <fnf@specifix.com>
605 * config/mips/t-sb1: New file.
606 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
609 2006-06-26 DJ Delorie <dj@redhat.com>
611 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
613 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
614 Jayant Sonar <jayants@kpitcummins.com>
615 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
617 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
618 (subsi3, subsi3_1, subsi3_2): New.
619 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
620 * config/m32c/mov.md (SI mov peephole): New.
621 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
622 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
624 2006-06-26 Olivier Hainque <hainque@adacore.com>
626 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
627 a CALL_EXPR target function declaration.
629 2006-06-26 Richard Guenther <rguenther@suse.de>
631 * tree.c (build_string): Do not waste tail padding in
634 2006-06-26 Richard Guenther <rguenther@suse.de>
636 * ggc-page.c (init_ggc): Add missing element to size_lookup
640 2006-06-23 Richard Guenther <rguenther@suse.de>
642 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
643 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
644 alignment requests instead. Add verification code.
645 Add struct tree_function_decl and struct tree_binfo size to
646 extra_order_size_table. Add missing element to size_lookup
649 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
652 * fold-const.c (const_binop): Be prepared for self returning zero.
653 Simplify code handling complex values.
655 2006-06-24 Olivier Hainque <hainque@adacore.com>
657 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
658 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
661 2006-06-24 Olivier Hainque <hainque@adacore.com>
663 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
664 ARRAY_REF, so have the callback called for the low bound expression.
666 2006-06-23 Janis Johnson <janis187@us.ibm.com>
668 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
669 * c-typeck.c (c_common_type): Disallow operations on decimal float
670 types and other float types.
671 * convert.c (convert_to_real): Don't ignore conversions involving
674 2006-06-23 Olivier Hainque <hainque@adacore.com>
676 * tree.c (max_int_size_in_bytes): New function, inspired from
677 code in function.c:assign_temp.
678 * tree.h (max_int_size_in_bytes): Declare.
679 * function.c (assign_temp): Use it.
680 * gimplify.c (create_tmp_var): Relax the assertions on the type
681 properties, not mandating constant size any more.
682 (force_constant_size): New static function.
683 (gimple_add_tmp_var): Use it, forcing variable size to a
684 constant upper bound if it is not constant on entry.
686 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
689 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
690 for initialization and setting of one_only flag to ...
691 (i386_pe_encode_section_info): ...here.
692 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
693 Recheck that the symbol has not been defined.
695 2006-06-23 Richard Guenther <rguenther@suse.de>
697 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
698 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
699 alignment requests instead. Add verification code.
700 Add struct tree_function_decl and struct tree_binfo size to
701 extra_order_size_table. Add missing element to size_lookup
704 2006-06-22 Roger Sayle <roger@eyesopen.com>
705 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
708 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
709 call to lang_hooks.types.type_for_mode returned NULL_TREE.
711 2006-06-23 Ben Elliston <bje@au.ibm.com>
713 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
714 negate dn -- manipulate it directly.
716 2006-06-22 Roger Sayle <roger@eyesopen.com>
717 Steven Bosscher <stevenb.gcc@gmail.com>
720 * reload1.c (gen_reload): Call mark_jump_label on the new insns
721 generated by gen_move_insn to add REG_LABEL notes if necessary.
723 2006-06-22 Bob Wilson <bob.wilson@acm.org>
725 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
726 (leaf_entry): Remove use of MIN_ESA.
728 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
730 PR rtl-optimization/28121
731 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
734 2006-06-21 DJ Delorie <dj@redhat.com>
736 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
738 (mulhisi3_r): Likewise.
740 2006-06-21 Richard Sandiford <richard@codesourcery.com>
743 * coverage.c (coverage_counter_alloc): Leave the index type
745 (coverage_counter_alloc): Use null arguments for operands 2 and 3
748 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
750 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
751 section from the "Options for Code Generation Conventions".
753 2006-06-21 Richard Henderson <rth@redhat.com>
757 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
759 (global_symbolic_operand): Allow weak symbols, even if local_p.
761 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
763 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
764 (find_interesting_uses_address): Punt if above function returns true.
766 2006-06-21 Richard Guenther <rguenther@suse.de>
768 * configure: Regenerated.
770 2006-06-21 Joseph Myers <joseph@codesourcery.com>
772 * config/mips/mips.c (function_arg): Where one part of a
773 complex argument is in registers and the other part in the stack,
774 return a REG not a PARALLEL.
776 2006-06-21 Mark Mitchell <mark@codesourcery.com>
778 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
779 when cross-compiling. Do not substitute libstdcxx_incdir.
780 * configure: Regenerated.
782 2006-06-21 Jakub Jelinek <jakub@redhat.com>
784 * varasm.c (mergeable_string_section): Check for embedded NULs and
785 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
786 rather than TREE_STRING_LENGTH bytes.
788 2006-06-21 Richard Guenther <rguenther@suse.de>
790 * ggc-page.c (extra_order_size_table): Add var_ann_d,
791 tree_ssa_name, bitmap_element and phi_node with 4 arguments
794 2006-06-21 Richrad Guenther <rguenther@suse.de>
796 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
797 Limit iteration over the dominators.
799 2006-06-20 Roger Sayle <roger@eyesopen.com>
801 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
802 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
804 2006-06-20 Richard Guenther <rguenther@suse.de>
805 Michael Matz <matz@suse.de>
807 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
809 * alloc-pool.c (free_alloc_pool_if_empty): New function.
810 * et-forest.h (et_free_pools): Prototype new function.
811 * et-forest.c (et_free_tree_force): Free parent occurrence.
812 (et_free_pools): New function.
813 * dominance.c (free_dominance_info): Free et-forest alloc
816 2006-06-20 Roger Sayle <roger@eyesopen.com>
818 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
819 integer modes, attempt to directly construct an integer constant.
821 * fold-const.c (native_encode_vector): Determine the size of each
822 element from the vector type instead of the first vector element.
824 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
825 if all of its elements/components are constant.
826 (build_constructor_from_list): Likewise.
828 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
830 PR tree-optimization/27331
831 * tree-data-ref.c (free_data_ref): New function.
832 (create_data_ref): Fail if the data reference has unknown access
834 (free_data_refs): Use free_data_ref.
836 2006-06-19 Andrew Pinski <pinskia@gmail.com>
839 * tree-inline.c (setup_one_parameter): Strip useless
840 type conversion before adding it to the IR.
841 (declare_return_variable): Likewise.
843 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
846 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
848 2006-06-19 Mike Stump <mrs@apple.com>
850 * tree.c (variably_modified_type_p): VM arguments don't make the
853 2006-06-19 Richard Guenther <rguenther@suse.de>
855 * tree-ssa-pre.c (try_combine_conversion): Strip useless
856 type conversions after folding.
858 2006-06-19 Richard Guenther <rguenther@suse.de>
860 * ggc-page.c (extra_order_size_tab): Add entries with
861 size of struct function and basic_block.
862 (size_lookup): Extend to cover sizes up to 511.
863 (ggc_alloc_stat): Adjust user.
864 (ggc_pch_count_object): Likewise.
865 (ggc_pch_alloc_object): Likewise.
866 (ggc_pch_write_object): Likewise.
868 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
870 * tree-ssa-loop-niter.c (implies_ge_p): New function.
871 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
874 2006-06-19 Denis Chertykov <denisc@overta.ru>
876 * config/avr/libgcc.S : Correct my wrong previous commit.
878 2006-06-19 Roger Sayle <roger@eyesopen.com>
881 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
882 have stripped a SUBREG from the shift count, so we may need to
883 convert_to_mode back to the type's mode before calling make_tree.
884 Use new_amount instead of amount to avoid expanding a tree twice.
886 2006-06-19 Richard Guenther <rguenther@suse.de>
889 * fold-const.c (operand_equal_p): Check if the argument types
890 have the same precision before stripping NOPs.
892 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
894 Fix PR tree-optimization/27341
895 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
897 * tree-complex.c (pass_lower_complex): Update SMT usage.
899 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
901 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
902 Add a new alternative to the constraint strings. Add move of
903 operand 1 to 3 to the splitter definition.
904 ("doloop_si_long"): Second contraint alternative removed.
906 2006-06-08 Anatoly Sokolov <aesok@post.ru>
908 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
909 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
911 (AVR_HAVE_MOVW) Define.
912 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
913 (ASM_SPEC): Add avr25.
914 (LINK_SPEC): Add avr25.
915 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
916 (base_arch_s): Add new member 'have_movw_lpmx'.
917 (avr_arch_types): Init 'have_movw_lpmx'.
918 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
919 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
920 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
921 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
922 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
924 (avr_file_start): Do not output '.arh' derective.
925 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
926 (__do_copy_data): Use __AVR_HAVE_LPMX__.
927 * config/avr/avr.md (mcu_enhanced): Delete.
928 (mcu_have_movw): Define.
929 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
930 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
931 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
932 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
933 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
934 attiny861 and at86rf401 devices.
936 2006-06-18 Jie Zhang <jie.zhang@analog.com>
938 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
941 2006-06-17 Karl Berry <karl@gnu.org>
943 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
944 doc/gccint.texi, doc/install.texi (@dircategory): Use
945 "Software development" instead of "Programming", following
946 the Free Software Directory.
948 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
950 * config/i386/i386.c (legitimate_tls_address)
951 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
952 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
953 (*tls_dynamic_gnu2_combine_64): Likewise.
955 2006-06-16 Richard Guenther <rguenther@suse.de>
958 * fold-const.c (negate_expr_p): Do not introduce undefined
959 overflow in negating INTEGER_CSTs.
960 (fold_negate_expr): Rename from negate_expr. Revert last
961 change for folding BIT_NOT_EXPR. Change semantics to
962 return NULL_TREE for non-simplified negations. Do not
963 strip type conversions and unify type handling.
964 (negate_expr): New function, wrap around fold_negate_expr
965 but ensure building a tree always. Strip type conversions
966 here, fold to result type.
967 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
969 2006-06-16 Roger Sayle <roger@eyesopen.com>
972 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
973 that (would) return their results in stack registers.
975 2006-06-16 Michael Matz <matz@suse.de>
976 Richard Guenther <rguenther@suse.de>
978 * fold-const.c (fold_truthop): Only return new tree node if
979 we canonicalized something.
981 2006-06-16 Richard Guenther <rguenther@suse.de>
983 * function.h (enum function_frequency): Move declaration
984 out of struct function.
985 (struct function): Move bool fields and the enum to the bitfield
986 section. Reorder elements to avoid padding. Remove unused
987 fields left over from the RTL inliner removal.
988 * function.c (free_after_compilation): Do not zero removed fields.
989 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
990 (ipa-type-escape.o): Likewise.
992 2006-06-16 Richard Guenther <rguenther@suse.de>
994 * cgraph.h (struct cgraph_local_info): Turn bool elements
996 (struct cgraph_node): Likewise.
997 (struct cgraph_varpool_node): Likewise.
999 2006-06-15 Richard Guenther <rguenther@suse.de>
1001 * fold-const.c (fold_truth_not_expr): Rename from
1002 invert_truthvalue. Give it fold_* semantics to avoid
1004 (invert_truthvalue): New function. Wrapper around
1005 fold_truth_not_expr.
1006 (optimize_minmax_comparison): Avoid creating garbage.
1007 (fold_unary): Use fold_truth_not_expr for folding
1009 (fold_ternary): Replace uses of invert_truthvalue with
1010 fold_truth_not_expr where applicable.
1011 * tree.h (fold_truth_not_expr): Prototype.
1013 2006-06-16 Richard Guenther <rguenther@suse.de>
1015 PR tree-optimization/27781
1016 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1017 * ipa-pure-const.c (target.h): Include.
1018 (analyze_function): Do not analyze functions that do not
1021 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1024 * tree-dfa.c (referenced_vars_dup_list): Remove.
1025 (find_referenced_vars): Remove assert.
1026 (referenced_var_check_and_insert): Replace dup list with assert.
1027 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1028 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1030 2006-06-15 Richard Guenther <rguenther@suse.de>
1032 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1033 extra unused identifiers if not dumping.
1034 (create_variable_info_for): Likewise.
1036 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1038 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1039 (derive_constant_upper_bound): Derive more precise upper bound in
1040 common cases. Return type changed to double_int.
1041 (record_estimate): Reflect the changed return type of
1042 derive_constant_upper_bound.
1043 * double-int.c (double_int_zext, double_int_sext): Fix.
1045 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1047 * configure.ac (CFLAGS): Get them from the toplevel or from the
1048 configure invocation.
1049 * configure: Regenerate.
1050 * Makefile.in (CFLAGS): Substitute value provided by configure.
1052 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1055 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1056 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1057 rather than calling add_stmt on it.
1058 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1060 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1063 * reload1.c (reload): Remove registers returned by update_eliminables
1064 from used_spill_regs.
1066 2006-06-13 DJ Delorie <dj@redhat.com>
1068 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1070 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1072 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1073 html__strip_dir, html__mkdir_p. Enhance install-html target.
1074 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1075 * configure: Regenerate.
1077 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1079 * fold-const.c (fold_cond_expr_with_comparison): Check for
1080 Objective-C++ as language in deciding COND_EXPR transformation.
1082 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1085 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1086 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1087 * config/sh/lib1funcs.h (SL, SL1): Define.
1088 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1089 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1090 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1091 (OBJS_Os_4_200): New variable.
1092 ($(T)libgcc-Os-4-200.a): Use it.
1093 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1094 when dividing 1 and/or by 0.
1096 2006-06-13 Roger Sayle <roger@eyesopen.com>
1098 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1099 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1100 * configure: Regenerate.
1102 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1104 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1105 for real instruction.
1107 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1110 * haifa-sched.c (check_cfg): Handle special case.
1112 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1115 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1116 Add debug_info parameter. Chain the vars to the BLOCK instead
1117 of the BIND_EXPR if debug info are requested for them.
1118 (pop_gimplify_context): Adjust for above change.
1119 (gimple_add_tmp_var): Likewise.
1120 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1122 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1123 (convert_local_reference): Likewise.
1124 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1125 (finalize_nesting_tree_1): Request that debug info be emitted
1126 for debug_var_chain.
1128 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1130 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1131 for PR target/27863.
1133 2006-06-13 Richard Guenther <rguenther@suse.de>
1136 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1138 2006-06-13 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/27830
1141 * tree-inline.c (copy_body_r): For copying the operand
1142 of an ADDR_EXPR make sure to fold &* afterwards.
1144 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1146 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1147 lvalues in the fb_none case with side-effects.
1149 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1151 * tree-flow.h: Remove the prototype for
1152 compute_phi_arg_on_exit.
1153 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1154 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1157 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1159 * builtins.c (expand_builtin_return_addr): Only use
1160 frame_pointer_rtx when count == 0 and we are expanding
1161 __builtin_return_address.
1163 2006-06-12 Fred Fish <fnf@specifix.com>
1165 * config/mips/mips.c (mips_file_start): Create special section
1166 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1168 2006-06-11 Eric Christopher <echristo@apple.com>
1171 * stor-layout.c (place_field): Remove check for
1172 remaining_in_alignment when aligning at the end of a run.
1174 2006-06-11 Eric Christopher <echristo@apple.com>
1177 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1180 2006-06-11 Roger Sayle <roger@eyesopen.com>
1183 Revert incorrect fix for PR target/27158
1184 2006-05-08 Roger Sayle <roger@eyesopen.com>
1185 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1186 of a reg_equiv_constant if the result is a legitimate constant.
1188 2006-06-11 Roger Sayle <roger@eyesopen.com>
1191 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1192 extract a CONST_VECTOR element and interpret it as an integer.
1193 (vspltis_constant): Use const_vector_elt_as_int instead of the
1194 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1195 * config/rs6000/predicates.md (easy_vector_const): Consider
1196 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1198 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1201 * stor-layout.c (update_alignment_for_field): Don't add extra
1202 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1205 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1207 * config/mips/t-rtems: Add EL/EB multilib variants.
1209 2006-06-09 Mike Stump <mrs@apple.com>
1211 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1213 2006-06-09 David Daney <ddaney@avtrex.com>
1215 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1217 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1219 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1221 2006-06-09 Richard Guenther <rguenther@suse.de>
1223 PR tree-optimization/26998
1224 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1225 of signed types, only TYPE_MIN_VALUE is special, but for both,
1226 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1227 in this case, as is -fwrapv.
1229 2006-06-08 Mike Stump <mrs@apple.com>
1232 * config/darwin.c (darwin_asm_output_anchor): Disable
1233 -fsection-anchors on darwin for now.
1234 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1235 * rs6000/rs6000.c (optimization_options): Likewise.
1237 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1240 * config/i386/i386.c (classify_argument): Skip fields with invalid
1243 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1245 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1246 (cse_insn): Likewise for the stack_pointer_rtx.
1248 2006-06-08 Roger Sayle <roger@eyesopen.com>
1250 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1251 conditions from floating point comparisons.
1253 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1256 * expmed.c (struct alg_hash_entry): Fix type of field T
1257 to match synth_mult argument.
1258 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1260 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1263 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1266 2006-06-08 Richard Guenther <rguenther@suse.de>
1269 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1270 only, if overflow is defined and not trapping.
1271 (negate_expr): Likewise.
1273 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1275 PR tree-optimization/27872
1276 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1277 flag on the new exit edge of the unrolled loop.
1279 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1281 PR rtl-optimization/26449
1282 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1284 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1287 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1288 referenced_variables with matching DECL_UID's.
1289 (find_referenced_vars): Make sure duplicate list is empty to start.
1290 (referenced_var_p): Remove.
1291 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1292 Check if var is in the list, and add if needed. Update the duplicate
1293 list if a different var is in the list with the same DECL_UID.
1294 (add_referenced_var): Call routine to check and insert.
1295 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1296 * tree-flow.h (referenced_vars_dup_list): External declaration.
1298 2006-06-07 Fred Fish <fnf@specifix.com>
1300 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1303 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1306 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1307 the imaginary and real parts of a clobbered register.
1308 Emit insn to set the imaginary part.
1310 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1312 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1313 in lieu of unwind-dw2-fde.c.
1315 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1317 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1319 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1322 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1323 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1324 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1325 V4SImode temporaries and operations instead.
1327 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1329 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1332 2006-06-06 Mike Stump <mrs@apple.com>
1334 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1335 installing during build.
1337 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1339 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1341 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1342 * config/ia64/ia64.c (params.h): New header.
1343 (ia64_optimization_options): New function to adjust parameters.
1344 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1345 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1346 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1348 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1350 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1352 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1355 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1357 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1358 Victor Kaplansky <victork@il.ibm.com>
1360 PR tree-optimization/26360
1361 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1364 2006-06-04 Roger Sayle <roger@eyesopen.com>
1365 Andrew Pinski <pinskia@physics.uc.edu>
1368 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1369 for LABEL_DECL before calling DECL_WEAK.
1372 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1373 LABEL_DECL and PARM_DECL.
1375 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1379 * c-decl.c (grokdeclarator): Disallow variably modified types at
1380 file scope. Avoid marking shared array type of constant size as
1383 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1386 * c-common.c (fold_offsetof_1): Handle static members.
1388 2006-06-04 Eric Christopher <echristo@apple.com>
1390 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1391 (debug_rli): Output value for remaining_in_alignment.
1392 (update_alignment_for_field): Unconditionalize
1393 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1394 extra alignment code.
1395 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1396 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1397 * tree.h (record_layout_info_s): Remove prev_packed.
1398 * doc/extend.texi (ms_struct): Add documentation of format.
1400 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1402 * tree.h: Declare folding_initializer.
1403 * builtins.c (fold_builtin_constant_p): Give definite answer
1404 if folding inside an initializer.
1405 * fold-const.c: Define folding_initializer.
1406 (START_FOLD_INIT): Save and then set folding_initializer.
1407 (END_FOLD_INIT): Restore folding_initializer.
1409 2006-06-04 Richard Guenther <rguenther@suse.de>
1411 PR tree-optimization/27039
1412 * fold-const.c (fold_comparison): Handle pointer comparison
1413 again for all comparison codes. Compare offsets in signed
1415 (fold_binary): Move code from here.
1417 2006-06-03 Roger Sayle <roger@eyesopen.com>
1420 * config/i386/i386.c (construct_container): Split static issued_error
1421 flag into issued_sse_arg_error, issued_sse_ret_error and
1422 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1423 requires the use of x87 registers and the user explicitly
1424 specified the -mno-80387 command line option.
1426 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1428 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1429 HAVE_DECL_SIGALTSTACK.
1431 (segv_handler): Use MC_FLD.
1432 * configure.ac: Check for a sigaltstack declaration.
1433 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1434 * configure: Regenerate.
1435 * config.in: Regenerate.
1437 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1440 * Makefile.in (stmp-fixinc): Fix typo.
1442 2006-06-02 Roger Sayle <roger@eyesopen.com>
1444 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1445 are type correct. Clean-up.
1446 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1447 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1449 2006-06-01 DJ Delorie <dj@redhat.com>
1451 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1452 shift, as we've disabled the "switch" insn that needs it.
1454 2006-06-01 Per Bothner <bothner@bothner.com>
1456 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1457 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1458 * c-ppoutput.c (cb_define): Don't increment line 0.
1460 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1462 * doc/invoke.texi: Add cpu_type power6.
1463 * config.gcc: Add cpu_type power6.
1464 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1465 to power5+ with Altivec.
1466 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1467 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1469 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1471 * config/avr/avr.h (SET_ASM_OP): Define.
1473 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1475 * config/bfin/bfin.c: Fix comment typos.
1477 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1480 * doc/install.texi: Document --enable-bootstrap and
1481 --disable-bootstrap.
1483 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1485 * doc/install.texi: Document that InfoZIP can replace jar.
1487 2006-05-31 Roger Sayle <roger@eyesopen.com>
1489 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1490 isn't available, directly generate the simpler x87 patterns without
1491 the (use (const_int 0)).
1492 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1493 implementation isn't available.
1494 (*negdf2_1): Likewise.
1495 (*negxf2_1): XF mode negation is always done using the x87.
1496 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1498 2006-05-31 Roger Sayle <roger@eyesopen.com>
1500 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1501 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1503 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1505 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1507 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1508 * config/bfin/bfin.c (basic-block.h): Include.
1509 (struct machine_function): New.
1510 (bfin_init_machine_status): New.
1511 (override_options): Initialize init_machine_status.
1512 (bfin_hardware_loop): New.
1513 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1514 (DEF_VEC_P (loop_info)): New.
1515 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1516 (struct loop_info): New.
1517 (loop_info): New typedef.
1518 (struct loop_work): New.
1519 (loop_work): New typedef.
1520 (DEF_VEC_O (loop_work)): New.
1521 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1522 (bfin_dump_loops): New.
1523 (bfin_bb_in_loop): New.
1524 (bfin_scan_loop): New.
1525 (bfin_optimize_loop): New.
1526 (bfin_reorg_loops): New.
1527 (bfin_reorg): Use bfin_reorg_loops.
1528 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1530 (I_REGNO_P): Simplify.
1531 (DP_REGNO_P, DPREG_P): New macros.
1532 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1533 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1534 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1535 Add LT_REGS, LC_REGS, LB_REGS.
1536 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1538 (REGNO_REG_CLASS): Deal with loop registers.
1539 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1541 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1542 New constants for loop registers.
1543 (UNSPEC_LSETUP_END): New.
1544 (seq_insns): New define_attr. Set it for appropriate insns.
1545 (movsi_insn): Add alternatives for move from/to
1546 loop count registers.
1547 (doloop_end): New define_expand.
1548 (loop_end): New define_insn.
1549 (define_split for bad doloop_end): New.
1550 (lsetup_with_autoinit): New define_insn.
1551 (lsetup_without_autoinit): New define_insn.
1552 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1553 * config/bfin/predicates.md (lc_register_operand): New.
1554 (lt_register_operand): New.
1555 (lb_register_operand): New.
1556 (nondp_register_operand): New.
1557 (nondp_reg_or_memory_operand): New.
1558 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1560 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1562 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1563 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1565 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1567 * Makefile.in (CATALOGS): Add po/ prefix.
1568 * configure: Regenerated.
1570 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1573 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1574 a shift operand before calling shift_op. Avoid redundant call of
1577 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1578 DJ Delorie <dj@redhat.com>
1580 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1581 we're inserting is a singlt-bit constant.
1583 2006-05-30 Roger Sayle <roger@eyesopen.com>
1585 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1586 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1588 2006-05-30 Roger Sayle <roger@eyesopen.com>
1590 PR tree-optimization/23452
1591 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1592 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1593 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1594 complex values and with -ffast-math for FP complex values.
1596 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1598 * c-common.h: Remove the prototype for yyparse.
1599 * rtl.h: Remove the prototype for init_loop.
1601 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1603 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1606 2006-05-30 Roger Sayle <roger@eyesopen.com>
1608 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1610 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1611 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1613 2006-05-30 Dirk Mueller <dmueller@suse.de>
1616 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1617 for CONSTANT_CLASS_P expresisons.
1619 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1622 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1624 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1626 PR tree-optimization/27779
1627 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1628 initial_condition instead of CHREC_LEFT.
1630 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1632 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1633 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1634 Make prototypes ISO C90.
1636 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1637 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1639 * see.c (see_analyze_one_def): Correct check.
1640 (see_get_extension_data): Check if extension is parallel.
1641 (see_get_extension_reg): Likewise.
1643 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1646 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1647 into register for (code == GTU).
1649 2006-05-29 Roger Sayle <roger@eyesopen.com>
1651 PR tree-optimization/24964
1652 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1653 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1654 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1655 abs(x)*abs(x) as x*x for scalar floating point modes.
1657 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1660 * lambda-code.c (perfect_nestify): Don't copy statements
1661 in the inner loop: move them to the inner loop header.
1663 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1666 * c-tree.texi: Document OpenMP directives and clauses.
1668 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1670 * varasm.c (globalize_decl): Fix indentation.
1672 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1675 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1676 pass_fre, pass_store_ccp, pass_copy_prop,
1677 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1678 pass_return_slot, pass_object_size, pass_lim,
1679 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1680 pass_loop_prefetch and pass_stdarg.
1682 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1684 * config/bfin/bfin.opt (mfdpic): New option.
1685 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1686 (EXTRA_MULTILIB_PARTS): Likewise.
1687 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1688 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1690 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1691 (CRT_CALL_STATIC_FUNCTION): New.
1692 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1694 (CRT_CALL_STATIC_FUNCTION): New.
1695 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1697 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1698 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1699 (initialize_trampoline): Changed to handle FD-PIC code generation.
1700 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1701 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1702 (override_options): Disallow -mid-shared-library -mfdpic combination.
1703 Can't do unaligned ops if FD-PIC.
1704 Turn off flag_pic if trying to generate non-id-shared-library
1705 non-fdpic code, since it's not supported.
1706 (bfin_assemble_integer): New function.
1707 (TARGET_ASM_INTEGER): Define.
1708 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1710 * config/bfin/crtn.s: Restore them.
1711 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1713 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1714 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1715 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1716 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1717 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1719 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1720 FDPIC_REGS and FDPIC_FPTR_REGS.
1721 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1722 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1723 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1724 (load_funcdescsi): New pattern.
1725 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1726 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1727 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1729 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1731 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1734 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1736 * tree-flow.h: Remove the prototype for add_type_alias.
1737 * tree-ssa-alias.c (add_type_alias): Remove.
1739 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1741 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1742 config/fr30/fr30.md, config/i386/i386-interix.h,
1743 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1744 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1745 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1746 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1747 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1748 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1749 Follow spelling conventions.
1750 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1751 Follow spelling conventions.
1753 2006-05-27 Richard Guenther <rguenther@suse.de>
1756 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1757 to produce a constant of value 1 of generic type.
1759 2006-05-27 Dirk Mueller <dmueller@suse.de>
1761 * cgraphunit.c (decide_is_function_needed): Fix wrong
1764 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1766 PR rtl-optimization/27661
1767 * reload.c (find_reloads): When reloading a VOIDmode constant
1768 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1769 use Pmode as mode of the reload register.
1771 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1773 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1774 is enabled at -O and above.
1776 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1779 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1782 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1785 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1786 for anonymous variables explicitly declared by front ends.
1788 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1790 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1791 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1792 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1793 ref-all pointers, run a finalization pass for them.
1794 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1795 (finalize_ref_all_pointers): New function.
1796 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1797 regular pointer type to a ref-all pointer type.
1798 (get_tmt_for): Return the special memory tag for ref-all pointers.
1800 2006-05-25 Richard Guenther <rguenther@suse.de>
1803 * fold-const.c (fold_binary): Do not look at the stripped
1804 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1806 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1808 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1809 for LT and GT if the computed range is effectively empty.
1811 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1814 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1815 mips_quad_format formats instead of ieee_single_format,
1816 ieee_double_format and ieee_quad_format formats, respectively.
1818 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1820 PR tree-optimization/27639
1821 PR tree-optimization/26719
1822 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1823 call to scev_probably_wraps_p.
1824 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1825 used_in_pointer_arithmetic_p, convert_step): Removed.
1826 (nowrap_type_p): New function.
1827 (scev_probably_wraps_p): Rewritten.
1828 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1829 chrec_convert if chrec_convert_aggressive might have been used.
1830 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1831 scev_direction): New functions.
1832 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1833 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1834 instead of convert_step.
1835 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1836 (convert_step): Declaration removed.
1837 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1839 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1841 * df-core.c: Added to header comments.
1842 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1843 df_ur_bb_info, df_urec_bb_info): Added comments.
1844 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1845 urec, ri problems): Fixed header comments.
1846 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1847 code from df_rd_transfer_function.
1849 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1851 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1852 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1853 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1855 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1857 * expr.c (undefined_operand_subword_p): New.
1858 (emit_move_multi_word): Do not generate move from undefined bits
1859 of a paradoxical subreg.
1861 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1863 PR rtl-optimization/27736
1864 * combine.c (replaced_rhs_value): New variable.
1865 (combine_instructions): Set it.
1866 (distribute_notes): When distributing a note in replaced_rhs_insn,
1867 check whether the value was used in replaced_rhs_value.
1869 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1872 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1873 add_referenced_var instead of add_referenced_tmp_var.
1874 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1875 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1877 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1878 tree_optimize_tail_calls_1): Use add_referenced_var.
1879 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1880 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1881 Use add_referenced_var.
1882 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1883 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1884 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1885 Use add_referenced_var.
1886 * tree-dfa.c (struct walk_state): Remove.
1887 (find_referenced_vars): Remove walk state and vars_found hash table.
1888 (make_rename_temp): Use add_referenced_var.
1889 (find_vars_r): Pass less parameters to add_referenced_var.
1890 (referenced_var_p): New. Is var in referenced_var hash table.
1891 (referenced_var_insert): Assert var isn't already in hash table.
1892 (add_referenced_var): Don't need walk_state parameter. Add var if it
1893 isn't already in the hash table.
1894 (add_referenced_tmp_var): Remove.
1895 (find_new_referenced_vars_1): Use add_referenced_var.
1896 * tree-ssa-pre.c (create_expression_by_pieces,
1897 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1898 Use add_referenced_var.
1899 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1900 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1901 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1903 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1904 vect_create_data_ref_ptr, vect_create_destination_var,
1905 vect_init_vector, vect_build_loop_niters,
1906 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1907 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1908 Use add_referenced_var.
1909 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1910 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1911 (add_referenced_var): Add prototype.
1912 * tree-ssa-structalias.c (get_constraint_for,
1913 intra_create_variable_infos): Use add_referenced_var.
1915 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1917 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1918 big-endian paradoxical subregs.
1919 * var-tracking.c (struct micro_operation_def): Document that,
1920 for modify micro operations, insn is the subsequent instruction.
1921 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1922 (var_reg_set, var_mem_set): ... new functions.
1923 (add_stores): Record subsequent insn.
1924 (compute_bb_dataflow): Use new functions for MO_USE.
1925 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1926 notes after the insn, and modify notes before the insn known
1927 to be the subsequent one.
1928 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1930 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1933 * config/i386/i386.c (ix86_expand_builtin): Use
1934 gen_sse3_monitor64 for TARGET_64BIT.
1936 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1938 PR rtl-optimization/26375
1939 PR rtl-optimization/26855
1940 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1942 (df_ru_bb_local_compute): Reversed statements and removed bogus
1943 comment explaining why they should be in wrong order.
1944 (df_ru_dump, df_rd_dump): Enhanced debug info.
1945 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1947 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1948 reaching uses and fixed space problem.
1950 2006-05-23 Jan Hubicka <jh@suse.cz>
1952 * cgraphunit.c (decide_is_function_needed): Also nested functions
1953 and functions declared inline can be optimized out at -O0.
1955 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1957 * doc/install.texi (Configuration): Remove reference to CrossGCC
1961 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1964 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1965 ix86_compare_emitted is non-NULL.
1967 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1970 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1973 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1975 PR rtl-optimization/25514
1976 * combine.c (replaced_rhs_insn): New variable.
1977 (combine_instructions): Set replaced_rhs_insn when trying to replace
1978 a SET_SRC with a REG_EQUAL note.
1979 (distribute_notes): Use replaced_rhs_insn when determining the live
1980 range of a REG_DEAD register.
1982 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1983 Anatoly Sokolov <aesok@post.ru>
1985 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1986 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1987 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1988 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1989 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1990 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1991 at90usb647, at90usb1286 and at90usb1287 devices.
1992 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1993 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1995 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1997 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1999 2006-05-22 Richard Guenther <rguenther@suse.de>
2002 2006-01-31 Richard Guenther <rguenther@suse.de>
2003 Paolo Bonzini <bonzini@gnu.org>
2005 * doc/install.texi (--disable-libgcc-math): Document.
2007 2006-05-22 Richard Guenther <rguenther@suse.de>
2010 2006-01-31 Richard Guenther <rguenther@suse.de>
2012 * doc/invoke.texi (-msselibm): Document.
2013 * target.h (expand_library_builtin): New target hook.
2014 * builtins.c (expand_builtin): Use expand_library_builtin.
2015 (default_expand_library_builtin): New function.
2016 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2017 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2018 (link_gcc_math_spec): Declare.
2019 (static_specs): Add link_gcc_math_spec.
2020 * expr.h (default_expand_library_builtin): Declare.
2021 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2022 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2023 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2024 * config/i386/i386.opt (msselibm): New target option.
2025 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2026 (ix86_init_sse_abi_builtins): New function.
2027 (ix86_expand_library_builtin): Likewise.
2028 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2029 (override_options): Handle error conditions wrt -msselibm.
2030 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2031 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2032 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2035 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2038 * c-common.c (self_promoting_args_p): Skip erroneous args.
2041 * c-decl.c (finish_struct): Skip erroneous fields.
2043 2006-05-22 Nick Clifton <nickc@redhat.com>
2045 * config/cris/cris.opt (march): Remove VarExists attribute.
2046 (max-stackframe=): Likewise.
2048 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2050 * doc/rtl.texi: Fix a typo.
2051 * see.c: Fix comment typos.
2053 * tree-ssa-structalias.h (alias_info): Remove num_references.
2055 2006-05-21 Mike Stump <mrs@apple.com>
2057 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2059 (darwin_pragma_options): Use BAD instead.
2060 (darwin_pragma_unused): Likewise.
2061 (darwin_pragma_ms_struct): Likewise.
2063 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2065 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2067 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2069 PR rtl-optimization/27671
2070 * simplify-rtx.c (simplify_relational_operation_1): Fix
2071 simplifications of (eq/ne (xor x y) y) and
2072 (eq/ne (xor x y) x).
2074 PR tree-optimization/26622.
2075 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2078 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2080 * tree-cfg.c: Prune whitespace.
2081 (debug_tree_cfg): Point to correct header containing the
2084 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2087 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2089 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2092 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2093 or sorry count is non zero.
2095 2006-05-20 Andreas Schwab <schwab@suse.de>
2097 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2099 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2100 Kenneth Zadeck <zadeck@naturalbridge.com>
2102 PR rtl-optimization/26855
2104 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2106 (df_scan_alloc): Added code to properly handle multiword hard
2107 registers and add all_blocks parameter.
2108 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2109 code to properly handle multiword hard registers.
2110 (df_rescan_blocks): Added code to remove deleted blocks from
2112 (df_ref_create_structure, df_ref_record): Added code to properly
2114 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2115 and set DF_REF_PARTIAL.
2116 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2117 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2118 (df_scan_add_problem): Added flags parameter.
2119 (df_ref_create_structure): Changed switching structure.
2120 (df_bb_refs_record): Fixed case where duplicate artificial refs
2121 were created. Changed location of flags.
2122 (df_record_entry_block_defs): Added code to make stack pointer
2123 live in entry block. Refined cases where frame pointer is needed.
2124 Changed location of flags.
2125 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2126 (df_set_state): Removed function.
2127 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2128 df_insn_create_insn_record, df_insn_refs_delete,
2129 df_ref_create_structure): Formatting changes.
2130 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2131 df_delete_basic_block): New function.
2132 (df_init): Changed location of flags.
2133 (df_add_problem): Added flags parameter and the way flags are
2135 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2136 debug_df_chain): Improved debugging output.
2137 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2138 (df_refs_chain_dump): Removed df parameter.
2139 (df_iterative_dataflow): Added consistency check.
2140 (df_prune_to_subcfg): Made public.
2141 (df_analyze_problem): Added blocks_to_init parameter and made
2143 (df_ref_record, df_bb_refs_record, df_mark_reg,
2144 df_record_exit_block_uses): Whitespace changes.
2145 (df_dump): Whitespace changes.
2146 * df.h: Some reordering to remove forward references.
2147 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2148 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2149 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2150 (dataflow.flags): New field.
2151 (df.flag): Deleted field.
2152 (df_alloc_function): Added additional bitmap parameter.
2153 (df_dependent_problem_function): New type.
2154 (df_problem.changeable_flags): New field.
2155 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2156 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2157 (df_mw_hardreg): New struct.
2158 (DF_INSN_UID_MWS): New macro.
2159 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2161 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2162 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2163 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2164 (df_set_state): Removed function.
2165 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2166 * df-problems.c (df_chain_dump): Removed df parameter.
2167 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2168 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2170 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2171 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2172 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2173 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2174 DF_REF_MUST_CLOBBER cases.
2175 (df_ru_bb_local_compute_process_def,
2176 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2177 df_lr_bb_local_compute, df_ur_bb_local_compute,
2178 df_chain_create_bb): Made subreg aware.
2179 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2180 df_lr_bb_local_compute, df_lr_bb_local_compute,
2181 df_chain_create_bb): Cleanup to use proper macros.
2182 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2183 code to fixup bitvectors.
2184 (df_ri_alloc): Cleared lifetime.
2185 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2186 df_create_unused_note): New function.
2187 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2188 REG_DEAD and REG_UNUSED notes as well as register information.
2189 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2190 df_chains_dump): Fixed crash if problem was never run.
2191 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2192 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2193 df_ri_add_problem): Processes flags in uniform manner.
2194 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2195 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2196 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2197 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2198 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2199 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2200 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2201 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2202 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2203 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2204 * see.c (see_initialize_data): Ditto.
2205 * final.c (rest_of_clean_state) Added regstack_completed.
2206 * rtl.h (regstack_completed): Ditto.
2207 * reg-stack.c (regstack_completed): Ditto.
2209 2006-05-19 Mike Stump <mrs@apple.com>
2211 * c-tree.h (default_conversion): Remove.
2212 * c-common.h (default_conversion): Add.
2214 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2216 * tree-vrp.c (valid_value_p): New function.
2217 (adjust_range_with_scev): Fail if the value of bound is not
2220 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2222 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2223 (mips_fallback_frame_state): Use syscall numbers to determine
2224 the appropriate li instruction for the current ABI. Only use
2225 __NR_sigreturn for o32.
2227 2006-05-19 Nicolas Setton <setton@adacore.com>
2229 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2230 * langhooks.c (lhd_dwarf_name): New function.
2231 * langhooks-def.h (lhd_dwarf_name): Declare.
2232 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2233 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2234 * ada/misc.c (gnat_dwarf_name): New function.
2235 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2237 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2239 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2241 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2242 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2243 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2244 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2245 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2246 determine the size of Wtype, etc.
2247 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2248 (swfloatfuncs): New variable.
2249 (dwfloatfuncs): Likewise.
2250 (lib2funcs): Remove floating-point conversion functions from
2251 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2252 the set of conversion routines needed. Allow entries to specify
2253 an object name, filename and word size. Update users accordingly.
2254 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2255 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2259 2006-02-08 Roger Sayle <roger@eyesopen.com>
2262 * config/fixtfdi.c: New libgcc source file.
2263 * config/fixunstfdi.c: New source file.
2264 * config/floatditf.c: New source file.
2265 * config/floatunditf.c: New souce file.
2266 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2267 files above instead of config/mips/_tilib.c.
2268 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2270 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2272 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2273 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2275 2006-05-18 Mike Stump <mrs@apple.com>
2277 Fix up vla, vm and [*] sematics.
2283 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2284 (c_vla_unspec_p): Add.
2285 (c_vla_type_p): Add.
2286 * c-decl.c (struct c_scope): Add had_vla_unspec.
2287 (build_array_declarator): Add support for [*].
2288 (grokdeclarator): Likewise.
2289 (grokparms): Likewise.
2290 (get_parm_info): Likewise.
2291 * c-objc-common.c (c_vla_unspec_p): Likewise.
2292 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2293 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2294 typeof when argument is a variably modified type not inside sizeof or alignof.
2295 (c_parser_direct_declarator_inner): Propagate errors.
2296 (c_parser_sizeof_expression): Add support for [*].
2297 (c_parser_parms_declarator): Initialize had_vla_unspec.
2298 (c_parser_parms_list_declarator): Likewise.
2299 * c-typeck.c (c_vla_type_p): Add.
2300 (composite_type): Add support for vla compositing.
2301 (comptypes_internal): Add support for vla compatibility.
2302 (c_expr_sizeof_expr): Evaluate vla arguments.
2303 * tree.c (variably_modified_type_p): Update comment for [*].
2305 2006-05-18 Michael Matz <matz@suse.de>
2308 * config.host: Make assignments to host_xmake_file cumulative.
2309 * config.host (*-darwin*): Test $host, not $target.
2311 2006-05-12 Stuart Hastings <stuart@apple.com>
2313 * config/i386/i386.opt (-mstackrealign): New flag.
2314 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2315 (ix86_handle_cconv_attribute): Emit error when
2316 force_align_arg_pointer attribute collides with too many regparms.
2317 (ix86_function_regparm): Limit regparms when used with
2318 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2319 Support stack-realigning prologue in non-main functions. Emit
2320 warning for nested functions under -mstackrealign, emit error for
2321 nested functions with force_align_arg_pointer attribute.
2322 * doc/extend.texi (force_align_arg_pointer): Document it.
2323 * doc/invoke.texi (-mstackrealign): Document it.
2325 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2327 PR rtl-optimization/27477
2328 * combine.c (try_combine): Don't split a parallel consisting
2329 of two sets into two individual sets if both sets reference
2332 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2334 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2335 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2337 * doc/options.texi (VarExists): Updated.
2339 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2341 * unwind-dw2.c: Add declarations for uw_update_context and
2343 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2344 detected, advance frame state and context once to skip over stub.
2346 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2350 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2351 Call rewrite_into_loop_closed_ssa only when something changed.
2352 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2353 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2354 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2355 Test for perfect_nest_p here. Fix formating.
2356 (replace_uses_equiv_to_x_with_y): Fix formating.
2357 (stmt_uses_op): Removed.
2358 (can_convert_to_perfect_nest): Removed loopivs parameter.
2359 Complete the test by checking the scalar dependences.
2360 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2363 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2366 From Dan Kegel <dank@kegel.com>:
2367 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2369 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2371 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2372 if the element type is variably modified without recursing.
2374 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2377 * tree-loop-linear.c (try_interchange_loops): Test for
2378 no data dependences.
2380 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2382 PR tree-optimization/27548
2383 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2384 range of ssa names that appear on abnormal edges.
2385 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2386 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2388 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2391 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2393 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2396 * tree.h (OMP_PARALLEL_COMBINED): Define.
2397 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2398 (new_omp_context): Add is_combined_parallel argument.
2399 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2400 new_omp_context caller.
2401 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2402 Adjust gimplify_scan_omp_clauses callers.
2403 (omp_is_private): Issue errors if iteration variable is firstprivate
2404 or reduction in the current context.
2405 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2406 on combined parallel workshare constructs.
2408 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2410 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2411 (gcc-options.o): New rule.
2413 * optc-gen.awk: Protect variables for gcc-options.o with
2414 #ifdef GCC_DRIVER/#endif.
2416 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2418 Fix PR tree-optimization/27373
2419 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2420 (forward_propagate_addr_expr): Update call.
2422 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2424 * doc/options.texi: Move the Negative option.
2426 2006-05-16 Richard Guenther <rguenther@suse.de>
2428 PR tree-optimization/22303
2429 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2431 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2432 ccp_fold did not simplify the statement.
2434 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2437 * Makefile.in (GCC_OBJS): New.
2438 (OBJS-common): Add opts-common.o.
2439 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2440 (cpp$(exeext)): Likewise.
2441 (gcc.o): Also depend on opts.h.
2442 (opts-common.o): New.
2444 * common.opt (gcoff): Add Negative(gdwarf-2).
2445 (gdwarf-2): Add Negative(gstabs).
2446 (gstabs): Add Negative(gstabs+).
2447 (gstabs+): Add Negative(gvms).
2448 (gvms): Add Negative(gxcoff).
2449 (gxcoff): Add Negative(gxcoff+).
2450 (gxcoff+): Add Negative(gcoff).
2451 * config/i386/i386.opt (m32): Add Negative(m64).
2452 (m64): Add Negative(m32).
2454 * doc/options.texi: Document the Negative option.
2456 * gcc.c: Include "opts.h".
2457 (main): Call prune_options after expandargv.
2459 * optc-gen.awk: Generate common declarations for all flag
2460 variables in options.c. Output the neg_index field.
2462 * opts.c (find_opt): Moved to ...
2463 * opts-common.c: Here. New file.
2465 * opts.h (cl_option): Add a neg_index field.
2467 (prune_options): Likewise.
2469 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2472 * omp-low.c (expand_omp_parallel): Don't assert
2473 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2474 instead search for it.
2477 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2480 2006-05-16 Andreas Schwab <schwab@suse.de>
2482 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2485 2006-05-15 Roger Sayle <roger@eyesopen.com>
2488 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2489 integer constants other than zero are only legitimate on TARGET_64BIT.
2490 <CONST_VECTOR> Only zero vectors are legitimate.
2491 (ix86_cannot_force_const_mem): Integral and vector constants can
2492 always be put in the constant pool.
2494 2006-05-16 DJ Delorie <dj@redhat.com>
2496 * crtstuff.c (__dso_handle): Set section from
2497 TARGET_LBIGCC_SDATA_SECTION if defined.
2498 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2499 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2501 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2504 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2507 2006-05-16 Ben Elliston <bje@au.ibm.com>
2509 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2511 2006-05-15 Per Bothner <per@bothner.com>
2513 * tree.c: (last_annotated_node): Use source_locus typedef.
2514 This permits bootstrapping with --enable-mapped-location.
2516 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2518 PR tree-optimization/26830
2519 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2520 (info_for_ssa_name, current_info_for_ssa_name_age,
2521 blocks_to_update): New variables.
2522 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2523 (clear_ssa_name_info, initialize_flags_in_bb,
2524 mark_block_for_update): New functions.
2525 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2526 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2527 prepare_def_site_for): Use mark_block_for_update.
2528 (mark_def_interesting): Assert that the processed block is marked in
2529 blocks_to_update. Do not take blocks argument.
2530 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2532 (rewrite_update_init_block, rewrite_update_stmt): Only process
2533 blocks with statements to rewrite.
2534 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2535 (update_ssa): Initialize and free blocks_to_update. Do not
2536 clear flags on statements. Do not use blocks bitmap.
2537 * tree.h (SSA_NAME_AUX): Removed.
2538 (struct tree_ssa_name): Removed aux field.
2539 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2541 2006-05-15 Richard Guenther <rguenther@suse.de>
2543 PR tree-optimization/27603
2544 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2545 Do computations in original type.
2547 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2549 * see.c: Code style changes such as redundant paranthesis,
2550 redundant intialization of local variables etc.
2551 (see_main): Declared now as static.
2552 * doc/invoke.texi: Update that -fsee is not enabled by
2555 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2557 * omp-low.c (check_omp_nesting_restrictions): New function.
2558 (scan_omp_1): Call it.
2561 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2562 construct, return *VAR.
2564 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2566 PR rtl-optimization/27406
2567 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2570 2006-05-14 Roger Sayle <roger@eyesopen.com>
2572 PR rtl-optimization/27538
2573 * combine.c (expand_compound_operation): Call gen_lowpart
2574 before calling simplify_shift_const.
2576 2006-05-14 Roger Sayle <roger@eyesopen.com>
2578 PR rtl-optimization/22563
2579 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2580 a fixed width bitfield, always force the intermediates into psuedos.
2582 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2585 * mkconfig.sh: Use operator = instead of == for test.
2587 2006-05-13 Nick Clifton <nickc@redhat.com>
2589 * dwarf2out.c (dbx_reg_number): Check return value from
2590 LEAF_REG_REMAP and only use it if it is valid.
2591 (multiple_reg_loc_descriptor): Likewise.
2593 2006-05-13 Richard Guenther <rguenther@suse.de>
2595 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2598 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2600 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2601 information attached to non-INSNs such as NOTEs.
2602 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2604 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2606 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2608 * config/s390/s390.md: Adjust comment describing On constraint.
2610 2006-05-11 Jan Hubicka <jh@suse.cz>
2612 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2613 to be output at -O0.
2615 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2618 * fold-const.c (size_binop): Move sanity check for arguments to
2619 the beginning of the function.
2622 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2625 2006-05-11 Richard Guenther <rguenther@suse.de>
2628 * fold-const.c (fold_unary): Handle intermediate conversion
2629 to a pointer type like intermediate conversion to an integer
2630 type in folding of (T1)(T2)var to var.
2631 Match the code to the comment in the final conversion for
2632 (T1)(T2)var to (T1)var regarding to type precision. Rather
2633 than disallow T1 being of pointer type, assert that both T1
2634 and var are of pointer type or not. Make sure not to fall
2635 over the frontends lazyness wrt array to pointer decay though.
2637 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2639 * arm.c (arm_struct_value_rtx): Delete.
2640 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2641 (arm_init_cumulative_args): Always initialize nregs to zero.
2643 2006-05-10 Richard Guenther <rguenther@suse.de>
2645 PR tree-optimization/27532
2646 * tree-object-size.c (plus_expr_object_size): Fix typo.
2648 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2651 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2652 ashrdi_const, ashrdi3): Use a scratch register.
2654 2006-05-10 Richard Guenther <rguenther@suse.de>
2656 PR tree-optimization/27302
2657 * fold-const.c (operand_equal_p): For two comparisons,
2658 try comparison of one comparison code swapped if that yields
2661 2006-05-10 Ben Elliston <bje@au.ibm.com>
2663 * tree-pretty-print.c (pretty_print_string): No need to handle
2664 '\0' as a special character.
2666 * tree.h: Include "hashtab.h".
2667 (iterative_hash_expr): Use hashval_t in its prototype.
2668 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2670 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2673 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2674 (hppa*64*-*-hpux11*): Ditto.
2675 (hppa[12]*-*-hpux11*): Ditto.
2677 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2680 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2682 2006-05-09 Michael Matz <matz@suse.de>
2684 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2685 host_extra_gcc_objs and host_xmake_file.
2686 (<*-*-linux*>): Don't overwrite host_xmake_file.
2687 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2688 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2689 (host_detect_local_cpu): Declare.
2690 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2691 * config/i386/i386.c (override_options): Handle -mtune=native
2693 * config/i386/x-i386: New file.
2694 * config/i386/driver-i386.c: New file.
2695 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2698 2006-05-09 Dirk Mueller <dmueller@suse.de>
2699 Richard Guenther <rguenther@suse.de>
2702 * fold-const.c (fold_read_from_constant_string): Relax check
2703 for matching types to matching modes.
2705 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2707 PR rtl-optimization/27335
2708 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2711 2006-05-08 Chao-ying Fu <fu@mips.com>
2712 Richard Sandiford <richard@codesourcery.com>
2714 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2715 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2716 * config/mips/mips.md (UNSPEC_SCC): New constant.
2717 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2718 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2719 (mips_emit_compare): Use it.
2720 (mips_expand_vcondv2sf): New function.
2722 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2724 Fix PR tree-optimization/27093
2725 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2726 renaming when they become not-used_alone.
2728 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2730 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2731 relocation and relocation stubs.
2733 2006-05-08 Eric Christopher <echristo@apple.com>
2735 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2738 2006-05-08 Jan Hubicka <jh@suse.cz>
2741 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2742 unused static functions are needed.
2744 2006-05-08 Roger Sayle <roger@eyesopen.com>
2747 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2748 of a reg_equiv_constant if the result is a legitimate constant.
2750 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2753 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2754 standard 80387 constants, raise the cost to prevent
2755 compress_float_constant() to generate load from memory.
2757 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2759 * config/arm/constraints.md (c): Fix a typo.
2761 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2764 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2767 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2769 (_mm_mwait): Likewise.
2771 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2773 (sse3_monitor): Make it 32bit only.
2774 (sse3_monitor64): New. 64bit monitor.
2776 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2779 * config/i386/i386.c (classify_argument): Skip fields with invalid
2782 2006-05-07 Richard Guenther <rguenther@suse.de>
2784 PR tree-optimization/27409
2785 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2786 Do not try to find zero-sized subvars.
2788 2006-05-07 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/27136
2791 * tree-ssa-loop-niter.c (get_val_for): Correct function
2792 comment, assert requirements.
2793 (loop_niter_by_eval): Stop processing if the iterated
2794 value did not simplify.
2796 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2798 * opts.c (flag_see): remove its setting at -O3.
2800 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2802 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2803 * arm/constraints.md: New file.
2804 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2805 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2806 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2807 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2808 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2809 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2810 * arm.md: Include constraints.md.
2811 (thumb_movsi_insn): Use satisfies_constraint_J.
2812 (movhi, movqi): Use satisfies_constraint_I.
2814 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2816 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2817 for atmeg a645 device.
2819 2006-05-06 Richard Guenther <rguenther@suse.de>
2821 PR tree-optimization/27151
2822 * tree-vect-transform.c (vectorizable_condition): Punt on
2823 values that have a different type than the condition.
2825 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2828 * c-parser.c (c_parser_cast_expression): Only insert casts into
2829 hash table if pointer.
2830 * function.c (used_types_insert_helper): Rename from
2832 (used_types_insert): Call used_types_insert_helper.
2833 * function.h (used_types_insert): Accept only one argument.
2835 2006-05-05 David Edelsohn <edesohn@gnu.org>
2837 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2838 scratch with output modifier.
2840 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2843 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2844 with output modifier.
2846 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2849 * config/mips/mips.c (mips_symbolic_address_p): Return true
2850 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2851 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2853 2006-05-04 Richard Guenther <rguenther@suse.de>
2855 PR tree-optimization/14287
2856 PR tree-optimization/14844
2857 PR tree-optimization/19792
2858 PR tree-optimization/21608
2859 PR tree-optimization/27090
2860 * tree-ssa-pre.c (try_combine_conversion): New function.
2861 (compute_avail): After constructing the value-handle
2862 expression, use try_combine_conversion to combine NOP_EXPRs
2863 with previous value-handle expressions and use the result if it
2866 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2868 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2870 2006-05-04 Jan Hubicka <jh@suse.cz>
2873 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2875 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2877 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2878 that this only matches CONST_INTs. All users changed to VOIDmode
2881 * config/bfin/bfin.c: Include "optabs.h".
2882 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2884 (enum bfin_builtins): Add a number of fractional and vector builtins.
2885 (bfin_init_builtins): Likewise.
2886 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2887 (safe_vector_operand, bfin_expand_binop_builtin,
2888 bfin_expand_unop_builtin): New functions.
2889 (bfin_expand_builtin): Handle the new builtins.
2890 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2893 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2896 * Makefile.in (OBJS-common): Add see.o.
2897 (see.o): Add dependencies.
2898 * common.opt (fsee): New flag for the see optimization was added.
2899 * opts.c (flag_see): Initialized.
2900 * passes.c (init_optimization_passes, pass_see): New pass.
2901 * rtl.h (see_main): Declaration as extern.
2902 * timevar.def (TV_SEE): New.
2903 * tree-pass.h (pass_see): Declaration as extern.
2904 * invoke.texi (-fsee): Document.
2905 * recog.c (validate_simplify_insn): New function.
2906 * recog.h (validate_simplify_insn): Declaration as extern.
2907 * df-problems.c (df_chain_dump): Check for NULL.
2909 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2910 Daniel Berlin <dberlin@dberlin.org>
2912 * cfgrtl.c (insert_insn_bb_end_new): New function.
2913 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2915 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2917 * df.h (struct web_entry): Moved from web.c.
2918 (union_defs): Declaration as extern.
2919 (unionfind_root): Likewise.
2920 (unionfind_union): Likewise.
2921 * web.c (struct web_entry): Moved to df.h.
2922 (unionfind_root): Remove static declaration.
2923 (unionfind_union): Likewise.
2924 (union_defs): Likewise and generalize to use callback function.
2925 (web_main): Update arguments for union_defs function call.
2927 2006-05-04 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/26447
2930 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2931 produce SSA_NAME copies before the store stmt to avoid
2932 breaking exception handling.
2934 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2937 * gimplify.c (omp_is_private): If var is shared in some outer context,
2938 return false instead of true. Stop searching on parallel context
2941 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2944 * coverage.c: Use get_gcov_unsigned_t() instead of
2945 unsigned_type_node all over.
2947 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2949 PR tree-optimization/27381
2950 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2951 maintain the same immediate_use links.
2952 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2953 node rather than segfaulting.
2955 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2958 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2959 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2960 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2962 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2964 Fix PR tree-optimization/26626
2965 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2967 * tree-ssa-operands.c (access_can_touch_variable): Allow
2968 typecasting through union pointers.
2970 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2973 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2974 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2975 to find if var will be a global variable even in the nested context.
2976 (omp_copy_decl): Only check for global variable at the end, it might
2977 be overridden in outer contexts.
2978 (scan_sharing_clauses): For global variables don't create a field.
2979 (lower_rec_input_clauses): Do nothing for global shared variables.
2980 Emit a barrier at the end of ILIST if there were any decls in both
2981 firstprivate and lastprivate clauses.
2982 (lower_send_clauses): Do nothing for global variables except for
2985 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2987 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2988 of the correct signedness is returned.
2990 2006-05-02 Jeff Law <law@redhat.com>
2992 PR tree-optimization/27364
2993 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2994 multiply expressions.
2996 2006-05-02 Tom Tromey <tromey@redhat.com>
2998 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3000 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3003 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3004 -mthumb -fPIC are used.
3006 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3007 Joshua Kinard <kumba@gentoo.org>
3010 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3011 with 64-bit pointers.
3013 2006-05-02 Paul Brook <paul@codesourcery.com>
3015 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3017 (create_fix_barrier): Check that a suitable barrier location is
3019 (arm_reorg): Include ftmp->address in allowable range of addresses.
3021 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3024 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3027 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3030 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3031 around RESULT_DECL for result passed by reference.
3032 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3033 * omp-low.c (use_pointer_for_field): Don't look at
3034 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3035 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3036 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3037 time or var for passing by reference for
3038 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3039 TREE_ADDRESSABLE variables when passing by reference.
3041 * omp-low.c (dump_omp_region): Fix output formatting.
3044 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3045 (expand_omp_parallel): Likewise.
3046 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3049 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3050 on statement list containing also constructors and destructors.
3051 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3054 * except.c (duplicate_eh_regions): Fix clearing of
3055 cfun->eh->region_array entries.
3057 2006-05-01 DJ Delorie <dj@redhat.com>
3059 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3061 (gcc_cv_objdump): Likewise.
3062 * configure: Regenerated.
3064 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3067 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3068 templates for case 3 and 4.
3070 2006-05-01 DJ Delorie <dj@redhat.com>
3072 * vec.c: Include bconfig.h when appropriate.
3073 * Makefile.in (build/vec.o): Adjust dependencies.
3074 * mkconfig.sh: Make sure config.h isn't used for build machine
3077 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3079 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3081 (mark_phi_for_rewrite): New function.
3082 (insert_phi_nodes_for, mark_use_interesting): Call
3083 mark_phi_for_rewrite.
3084 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3085 (update_ssa): Initialize and free phis_to_rewrite.
3087 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3089 PR rtl-optimization/27291
3090 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3091 folded to a constant.
3093 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3095 PR tree-optimization/27283
3096 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3097 not whole # of iteration descriptions.
3098 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3099 uses abnormal ssa name.
3100 (niter_for_single_dom_exit): Ditto.
3101 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3102 return just the number of iterations.
3104 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3106 PR tree-optimization/27144
3107 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3108 (record_estimate): Only record constant upper bound.
3109 (infer_loop_bounds_from_undefined): Call
3110 compute_estimated_nb_iterations just once.
3111 (proved_non_wrapping_p): Renamed to ...
3112 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3113 (convert_step_widening, scev_probably_wraps_p): Call
3114 n_of_executions_at_most instead of proved_non_wrapping_p.
3115 (substitute_in_loop_info): Do not replace values in bounds.
3116 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3119 2006-05-01 Richard Henderson <rth@redhat.com>
3122 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3123 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3126 2006-05-01 Roger Sayle <roger@eyesopen.com>
3128 * c-typeck.c (parser_build_binary_op): Don't call the function
3129 unsigned_conversion_warning to spot operand/result type overflow.
3130 (build_binary_op): Instead, call convert_and_check instead of
3131 convert to report the problem when the operands are promoted.
3132 * c-common.c (unsigned_conversion_warning): Make static.
3133 * c-common.h (unsigned_conversion_warning): Delete prototype.
3135 2006-05-01 Richard Guenther <rguenther@suse.de>
3137 PR tree-optimization/26726
3138 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3140 (find_interesting_uses_address): ... we work around here
3141 by folding INDIRECT_REFs in the substituted base.
3143 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3145 * omp-low.c (dump_omp_region): Add newlines.
3147 2006-04-30 Roger Sayle <roger@eyesopen.com>
3149 * common.opt (Woverflow): New command line option.
3150 * c-common.c (constant_expression_warning): Check warn_overflow.
3151 (overflow_waring): Pass OPT_Woverflow to warning.
3152 (unsigned_conversion_warning): Likewise.
3153 (convert_and_check): Likewise.
3154 * doc/invoke.texi: Document new command line option.
3156 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3158 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3159 TARGET_NO_FP_IN_TOC for section anchors.
3160 (optimization_options): Enable section anchors for all
3161 non-"Objective" languages.
3163 2006-04-28 Eric Christopher <echristo@apple.com>
3165 * config/darwin-c.c (darwin_ms_struct): Move this
3166 (darwin_set_default_type_attributes): and this...
3167 * config/darwin.c: ... here.
3168 * config/darwin.h (darwin_ms_struct): Declare.
3170 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3174 2006-04-28 Roger Sayle <roger@eyesopen.com>
3177 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3178 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3179 an unsigned HOST_WIDE_INT.
3180 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3182 (really_start_incremental_init): No need to call convert because
3183 bitsize_zero_node is already of type bitsizetype.
3184 (push_init_level): Extract the value of constructor_index as an
3185 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3186 (process_init_element): Likewise.
3188 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3190 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3191 value before passing to make_relative_prefix.
3193 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3196 * builtins.c (expand_builtin_memset): Expand val in original mode.
3198 2006-04-27 Eric Christopher <echristo@apple.com>
3200 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3201 with #ifndef/#endif.
3202 * config/darwin-c.c (darwin_ms_struct): New.
3203 (darwin_pragma_ms_struct): Ditto.
3204 (darwin_set_default_type_attributes): Ditto.
3205 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3206 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3207 Register ms_struct pragma.
3208 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3209 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3210 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3211 darwin_set_default_type_attributes if TARGET_MACHO.
3213 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3215 PR tree-optimization/26854
3216 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3217 * doc/tree-ssa.texi: Update immuse iterator documentation.
3218 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3220 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3221 first_safe_imm_use, next_safe_imm_use): Remove.
3222 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3223 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3224 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3225 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3226 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3227 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3228 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3229 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3230 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3231 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3232 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3233 (perfect_nestify): Use new iterator.
3234 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3236 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3237 (next_imm_name): New field in struct immediate_use_iterator_d.
3238 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3239 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3240 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3241 * tree-cfg.c (replace_uses_by): Use new iterator.
3242 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3243 * tree-ssa-operands.c (correct_use_link): Remove.
3244 (finalize_ssa_use_ops): No longer call correct_use_link.
3246 2006-04-27 Stuart Hastings <stuart@apple.com>
3248 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3249 * config/t-darwin (crt3.o): Use it.
3250 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3251 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3252 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3253 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3254 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3257 2006-04-27 Roger Sayle <roger@eyesopen.com>
3259 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3260 size, force the intermediate into a new pseudo rather instead of
3261 performing both a bitwise AND and a bitwise IOR in memory.
3263 2006-04-27 Richard Guenther <rguenther@suse.de>
3265 PR rtl-optimization/26685
3266 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3267 this one "max-flow-memory-locations".
3269 2006-04-27 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/25148
3272 * tree-vrp.c (compare_values): Remove code dealing with
3273 comparisons against type min/max value. Honour overflow
3274 and negative constants in code dealing with comparisons
3275 of plus and minus expressions.
3276 (value_inside_range): Use fold_binary with LE_EXPR and
3277 GE_EXPR rather than compare_values.
3279 2006-04-27 Dirk Mueller <dmueller@suse.de>
3281 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3284 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3286 * basic-block.h (safe_insert_insn_on_edge): Removed.
3287 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3289 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3290 Paolo Bonzini <bonzini@gnu.org>
3293 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3294 (simplify_and_const_int): Same.
3296 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3298 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3300 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3303 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3304 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3305 cgraph_global_info_ready.
3308 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3311 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3312 either decl or init is error_mark_node.
3315 * tree-flow.h (struct omp_region): Add sched_kind.
3316 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3317 instead of extracting omp for data.
3318 (expand_omp_for): Save extracted sched_kind.
3320 2006-04-25 Roger Sayle <roger@eyesopen.com>
3322 * expmed.c (store_bit_field): Also check whether the bitsize is
3323 valid for the machine's "insv" instruction before moving the
3324 target into a pseudo for use with the insv.
3325 * config/i386/predicates.md (const8_operand): New predicate.
3326 * config/i386/i386.md (extv, extzv, insv): Use the new
3327 const8_operand predicate where appropriate.
3329 2006-04-25 DJ Delorie <dj@redhat.com>
3331 * doc/install.texi (Specific): Clarify that this is not a list of
3332 supported hosts or targets.
3334 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3336 PR rtl-optimization/26725
3337 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3338 block's BB_DIRTY flag.
3340 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3342 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3345 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3346 to print an integer.
3348 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3350 * varasm.c (align_variable): New function.
3351 (get_block_for_decl): Apply align_variable to DECL before
3352 calculating section information.
3353 (assemble_variable): Split out alignment computation.
3355 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3357 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3360 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3362 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3363 MODE_PARTIAL_INT mode.
3364 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3365 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3367 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3368 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3370 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3372 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3374 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3375 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3376 MACFLAG_IH): Likewise.
3377 (movstricthi_1): Renamed from "*movstricthi".
3378 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3379 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3380 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3381 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3382 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3383 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3384 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3385 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3386 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3387 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3388 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3389 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3390 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3391 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3392 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3394 * doc/rtl.texi (ss_ashift): Improve wording.
3396 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3398 * dwarf2out.c (verify_marks_clear): New.
3399 (prune_unused_types): Call verify_marks_clear initially, not
3402 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3404 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3405 * doc/rtl.texi: Document them.
3406 * simplify-rtx.c (simplify_unary_operation,
3407 simplify_binary_operation_1): Don't abort when we see them.
3409 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3412 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3413 * configure.ac: Completely disregard languages that are not
3415 * configure: Regenerated.
3417 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3418 Richard Guenther <rguenther@suse.de>
3420 PR tree-optimization/27236
3421 * tree-inline.c (copy_body_r): Make sure to copy
3422 TREE_THIS_VOLATILE flag.
3424 2006-04-24 Richard Guenther <rguenther@suse.de>
3427 * tree-complex.c (update_parameter_components): Don't handle
3428 unused parameters which have no default def.
3430 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3431 Richard Guenther <rguenther@suse.de>
3433 PR tree-optimization/27218
3434 * tree-inline.c (expand_call_inline): Strip useless type
3435 conversions for the return slot address.
3437 2006-04-24 Richard Guenther <rguenther@suse.de>
3439 * cfgloop.h (struct loops): Remove unused field array. Reorder
3441 (LOOP_PREFETCH): Remove.
3443 2006-04-24 Richard Guenther <rguenther@suse.de>
3445 PR tree-optimization/22525
3446 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3447 variable, adjust types of generated expressions.
3449 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3451 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3452 (tree-vect-patterns.o): Likewise.
3454 (cselib.o): Likewise.
3455 (loop-doloop.o): Likewise.
3456 (regclass.o): Likewise.
3457 (reload1.o): Likewise.
3458 (explow.o): Replace target.h with $(TARGET_H).
3459 (ipa-prop.o): Likewise.
3460 (ipa-cp.o): Likewise.
3461 (ipa-inline.o): Likewise.
3462 (reorg.o): Likewise.
3463 (reg-stack.o): Likewise.
3465 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3467 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3469 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3471 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3473 * configure.ac: Completely disregard languages that are not
3475 * configure: Regenerated.
3478 * c-common.h (c_build_bitfield_integer_type): Declare.
3479 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3480 * c-common.c (c_build_bitfield_integer_type): ... here.
3482 2006-04-23 Roger Sayle <roger@eyesopen.com>
3485 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3486 a SImode SUBREG of a floating point register after no_new_pseudos.
3488 2006-04-23 Roger Sayle <roger@eyesopen.com>
3490 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3491 identify potentially eliminable registers to additionally catch
3492 VIRTUAL_INCOMING_ARGS_REGNUM.
3493 (addsi3): Update the conditions on when to use addsi_small_int.
3495 2006-04-23 Roger Sayle <roger@eyesopen.com>
3498 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3499 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3500 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3502 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3504 * fold-const.c (range_predecessor): Use operand_equal_p
3505 as the predicate for equality.
3506 (range_successor): Likewise.
3508 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3511 * config/soft-fp/op-common.h: Fix a typo.
3513 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3516 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3517 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3519 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3521 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3523 * doc/tm.texi: Fix a typo.
3525 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3527 * dwarf2out.c (struct die_struct): Document that die_sib makes
3528 a circular linked list.
3529 (FOR_EACH_CHILD): New.
3530 (reverse_die_lists): Delete.
3531 (reverse_all_dies): Delete.
3532 (add_dwarf_attr): Correct documentation.
3533 (remove_child_with_prev): New.
3534 (remove_child_TAG): Update for change to die_struct, use
3535 remove_child_with_prev.
3536 (add_child_die): Update for change to die_struct.
3537 (splice_child_die): Use remove_child_with_prev and add_child_die.
3538 (print_die): Use FOR_EACH_CHILD.
3539 (die_checksum): Likewise.
3540 (assign_symbol_names): Likewise.
3541 (output_location_lists): Likewise.
3542 (build_abbrev_table): Likewise.
3543 (calc_die_sizes): Likewise.
3544 (mark_dies): Likewise.
3545 (unmark_dies): Likewise.
3546 (unmark_all_dies): Likewise.
3547 (output_die): Likewise.
3548 (prune_unused_types_mark): Likewise.
3549 (prune_unused_types_walk): Likewise.
3550 (same_die_p): Update for change to die_struct.
3551 (break_out_includes): Likewise.
3552 (prune_unused_types_prune): Likewise.
3553 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3554 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3556 (dwarf2out_finish): Don't call reverse_all_dies.
3558 2006-04-21 Eric Christopher <echristo@apple.com>
3560 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3561 in comments and function names.
3563 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3566 * c-typeck.c (digest_init): Robustify.
3568 * c-typeck.c (pop_init_level): Simplify.
3570 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3572 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3574 2006-04-21 Paul Brook <paul@codesourcery.com>
3576 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3577 hardware floating point.
3579 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3581 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3584 2006-04-21 Nick Clifton <nickc@redhat.com>
3586 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3589 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3592 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3593 C++ lang type in traceback table for Objective-C++.
3595 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3597 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3599 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3601 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3604 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3605 were errors. Remove check for erroneous objects.
3607 2006-04-20 Jeff Law <law@redhat.com>
3609 PR tree-optimization/26854
3610 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3611 checking for zero or one use.
3612 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3613 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3614 * tree-ssa-reassoc.c (negate_value): Similarly.
3615 (reassociate_bb): Similarly.
3617 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3619 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3620 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3621 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3623 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3625 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3626 fp regs if the last fp arg doesn't fit in regs.
3628 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3631 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3632 that the last insn has the REG_INC note.
3634 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3635 Nathan Sidwell <nathan@codesourcery.com>
3638 * stor-layout.c (update_alignment_for_field): Do not align
3640 (place_union_field): Place union field at the start of the union.
3641 (place_field): Move ERROR_MARK check later, and use the current
3642 allocation position to maintain monotonicity.
3644 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3646 * dominance.c: Include timevar.h.
3647 (calculate_dominance_info): Use TV_DOMINANCE.
3648 * timevar.def (TV_DOMINANCE): New timevar.
3649 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3651 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3653 PR rtl-optimization/14261
3654 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3655 move would be an INSV insn.
3656 (noce_process_if_block): Don't optimize if the destination is a
3657 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3659 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3661 * config/s390/s390.md: Add comments with the instructions emitted
3662 by an insn pattern if macros are used.
3664 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3666 PR rtl-optimization/26026
3667 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3668 is a known power of two shifted left a variable amount.
3670 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3672 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3673 to hash table twice when the debug_str section has SECTION_MERGE.
3675 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3677 * config/soft-fp: New directory. From glibc.
3678 * config/soft-fp/t-softfp: New.
3679 * config/soft-fp/README: New.
3680 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3681 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3682 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3683 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3684 * config.gcc: Use rs6000/t-fprules-fpbit or
3685 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3687 * config/rs6000/sfp-machine.h: New. Based on glibc.
3688 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3690 * config/rs6000/t-fprules: Remove fp-bit rules.
3691 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3692 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3693 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3694 (softfp_wrap_start, softfp_wrap_end): New.
3696 2006-04-18 DJ Delorie <dj@redhat.com>
3698 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3700 2006-04-18 Devang Patel <dpatel@apple.com>
3702 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3704 2006-04-18 Nick Clifton <nickc@redhat.com>
3706 * config/sh/t-symbian: Add rule to build sh-c.o
3707 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3708 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3709 (sh_symbian_encode_section_info): Likewise.
3711 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3713 * builtins.c (expand_builtin_strcmp): Cover label definition of
3714 do_libcall with HAVE_cmpstrnsi.
3716 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3718 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3720 * function.h (temp_slot_p): New.
3721 (function): Change the type of x_used_temp_slots to
3722 VEC(temp_slot_p,gc) *.
3724 2006-04-18 Nick Clifton <nickc@redhat.com>
3726 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3727 flag_strength_reduce.
3729 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3731 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3735 Partial revert of revision 112637
3736 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3737 Dale Johannesen <dalej@apple.com>
3740 * regclass.c (struct reg_pref): Update documentation.
3741 (regclass): Set prefclass to NO_REGS if memory is the best option.
3742 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3744 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3746 PR tree-optimization/26821
3747 * tree-ssa-math-opts.c (get_constant_one): New.
3748 (insert_reciprocals): Use it.
3750 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3752 * dwarf2out.c (free_AT): Delete.
3753 (remove_AT): Update string ref counts.
3754 (remove_child_TAG): Don't call free_die.
3756 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3757 or DW_TAG_GNU_EINCL.
3758 (prune_unused_types_walk_attribs): Reset string refcounts.
3759 (prune_unused_types_update_strings): New.
3760 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3761 call free_die. Do call prune_unused_types_update_strings.
3762 (prune_unused_types): Empty debug_str_hash.
3764 2006-04-17 Roger Sayle <roger@eyesopen.com>
3766 * expr.c (expand_assignment): Optimize away no-op moves where the
3767 source and destination are equal and have no side-effects.
3769 2006-04-17 Richard Guenther <rguenther@suse.de>
3772 * reload.c (push_reload): Guard calls to get_secondary_mem
3775 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3777 * alias.c (reg_base_value, old_reg_base_value): Change the
3778 type to VEC(rtx,gc) *.
3779 (REG_BASE_VALUE, find_base_value, record_set,
3780 init_alias_analysis): Use VEC instead of VARRAY.
3782 * alias.c (alias_sets): Change the type to
3783 VEC(alias_set_entry,gc) *.
3784 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3785 VEC instead of VARRAY.
3786 (last_alias_set): Remove.
3788 * cgraph.h (cgraph_edge_p): New.
3789 Update the prototype of cgraph_function_versioning.
3790 * cgraphunit.c (cgraph_copy_node_for_versioning,
3791 cgraph_function_versioning): Use VEC instead of VARRAY.
3792 * ipa-cp.c (ipcp_insert_stage): Likewise.
3794 2006-04-16 Roger Sayle <roger@eyesopen.com>
3797 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3798 "A op B" or "A op C", we may need to convert A to the type of B and C.
3800 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3802 * target.h (struct gcc_target): Add mode_rep_extended.
3803 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3804 (init_num_sign_bit_copies_in_rep): Initialize it using
3806 (truncate_to_mode): Use it.
3807 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3808 * targhooks.h (default_mode_rep_extended): Declare it.
3809 * targhooks.c (default_mode_rep_extended): Define it.
3810 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3811 default_mode_rep_extended.
3812 (TARGET_INITIALIZER): Include it.
3813 * doc/tm.texi (Misc): Document it.
3814 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3815 (mips_truncated_to_mode): New function.
3817 2006-04-16 Roger Sayle <roger@eyesopen.com>
3820 * expr.c (compress_float_constant): Copy the narrow constant into
3821 a new pseudo before extending it to its final width.
3823 2006-04-16 Roger Sayle <roger@eyesopen.com>
3824 Andrew Pinski <pinskia@gcc.gnu.org>
3825 Dale Johannesen <dalej@apple.com>
3828 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3829 special case code to implement V8HImode and V16QImode with SSE2.
3831 2006-04-15 Roger Sayle <roger@eyesopen.com>
3833 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3834 trees are constructed with a suitable tree type.
3836 2006-04-15 Roger Sayle <roger@eyesopen.com>
3838 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3839 (integer_onep): Likewise.
3840 (integer_all_onesp): Likewise.
3841 (integer_pow2p): Likewise.
3842 (integer_nonzerop): Likewise.
3843 (real_zerop): Likewise.
3844 (real_onep): Likewise.
3845 (real_twop): Likewise.
3846 (real_minus_onep): Likewise.
3847 (int_size_in_bytes): Likewise.
3848 (host_integerp): Likewise.
3850 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3852 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3853 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3854 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3856 * tree-ssa-structalias.h (alias_info): Remove num_references.
3858 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3860 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3861 (output_bvb patterns): Likewise.
3862 * pa.c (output_bb): Use 'bb' insn for long branch case.
3863 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3864 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3865 1. Correct length operand for alternatives 1 and 2.
3866 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3867 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3869 2006-04-14 Roger Sayle <roger@eyesopen.com>
3871 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3872 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3873 were accidentally reverted by r112959.
3875 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3878 * except.h (eh_region_outermost): New prototype.
3879 * except.c (eh_region_outermost): New function.
3880 * tree-cfg.c (find_outermost_region_in_block): Use it.
3882 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3884 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3886 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3887 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3888 (init_reload, reload): Use VEC instead of VARRAY.
3889 * reload.h: Update the prototype for
3890 reg_equiv_memory_loc_varray.
3892 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3893 Eric Botcazou <ebotcazou@libertysurf.fr>
3895 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3898 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3901 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3902 to expand fallback builtin function call.
3904 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3907 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3908 and emit libcall here in case the builtin fails.
3909 (expand_builtin_strcmp): Always emit the libcall here on failure.
3911 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3913 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3914 * flow.c (reg_n_info): Change the type to
3915 VEC(reg_info_p,heap) *.
3916 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3918 * regs.h (reg_info_p): New.
3919 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3920 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3921 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3924 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3926 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3928 * params.h (MAX_SCHED_READY_INSNS): New macro.
3929 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3930 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3931 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3932 the ready list for 1 cycle during the first scheduling pass.
3933 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3935 2006-04-13 Richard Henderson <rth@redhat.com>
3938 * gimple-low.c (lower_omp_directive): Remove dead code.
3939 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3940 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3941 * omp-low.c (struct omp_region): Move to tree-flow.h.
3942 (root_omp_region): Export.
3943 (omp_regions, lookup_omp_region): Remove.
3944 (determine_parallel_type): Update for struct omp_region changes.
3945 (dump_omp_region): Dump regions with block numbers.
3946 (new_omp_region): Take type and block instead of stmt; malloc
3948 (free_omp_region_1, free_omp_regions): New.
3949 (expand_parallel_call): Take entry_stmt as argument; update for
3950 changes to omp_region.
3951 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3952 (remove_exit_barriers): New.
3953 (expand_omp_parallel): Update for struct omp_region changes.
3954 (expand_omp_synch): Likewise.
3955 (expand_omp): Likewise.
3956 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3957 (expand_omp_for_static_chunk): Likewise.
3958 (expand_omp_for): Likewise.
3959 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3960 (expand_omp_sections): Similarly, with GOMP_sections_end.
3961 (expand_omp_single): New.
3962 (build_omp_regions_1): Update for OMP_CONTINUE.
3963 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3964 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3965 OMP_SECTIONS_SECTIONS.
3966 (lower_omp_single_simple): Don't emit barrier here.
3967 (lower_omp_single_copy): Likewise.
3968 (lower_omp_single): Fix bindings, and lower to straightline now.
3969 (lower_omp_master, lower_omp_ordered): Likewise.
3970 (lower_omp_critical): Likewise.
3971 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3972 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3973 omp edges, free it afterward.
3974 (make_omp_sections_edges): Remove.
3975 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3976 (move_stmt_r): Handle OMP_CONTINUE.
3977 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3978 statement pointers to basic blocks. Add type member.
3979 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3980 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3981 * tree-inline.c (estimate_num_insns_1): Likewise.
3982 * tree-pretty-print.c (dump_generic_node): Likewise.
3983 * tree-ssa-operands.c (get_expr_operands): Likewise.
3984 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3985 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3986 (OMP_CONTINUE): New.
3987 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3988 (OMP_SECTIONS_SECTIONS): Remove.
3989 (OMP_SECTION_LAST): New.
3990 (OMP_RETURN_NOWAIT): New.
3992 2006-04-13 Roger Sayle <roger@eyesopen.com>
3994 * fold-const.c (native_encode_vector, native_interpret_real):
3995 Correct obvious mistakes in the previous check-in.
3997 2006-04-13 Roger Sayle <roger@eyesopen.com>
3999 * fold-const.c (native_encode_expr): New function to encode
4000 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4001 or VECTOR_CST into a specified buffer.
4002 (native_encode_int): New function.
4003 (native_encode_real): New function.
4004 (native_encode_complex): New function.
4005 (native_encode_vector): New function.
4006 (native_interpret_expr): Inverse of native_encode_expr to convert
4007 a target representation into an INTEGER_CST, REAL_CST etc...
4008 (native_interpret_int): New function.
4009 (native_interpret_real): New function.
4010 (native_interpret_complex): New function.
4011 (native_interpret_vector): New function.
4012 (fold_view_convert_expr): New function to constant fold/evaluate
4013 a VIEW_CONVERT_EXPR of a suitable constant expression.
4014 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4015 Change call of build1 to fold_build1 when constructing a
4018 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4019 Ulrich Weigand <uweigand@de.ibm.com>
4022 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4025 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4028 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4029 optimize to lo_sum for DFmode if !TARGET_FPRS.
4031 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4033 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4034 delete_alias_info, compute_flow_sensitive_aliasing,
4035 group_aliases): Use VEC instead of VARRAY.
4036 * tree-ssa-structalias.c (update_alias_info): Likewise.
4037 * tree-ssa-structalias.h (alias_info): Change the type of
4038 processed_ptrs to VEC(tree,heap) *.
4040 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4043 * config/sh/lib1funcs.h: New file, broken out of:
4044 * config/sh/lib1funcs.asm.
4045 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4047 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4048 * config/sh/lib1funcs-Os-4-200.asm: New file.
4049 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4050 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4051 (EXTRA_MULTILIB_PARTS): Include it.
4052 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4053 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4054 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4055 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4058 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4060 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4061 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4062 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4064 * tree-ssa-live.h: Include vecprim.h.
4065 (tree_partition_associator_d): Change the type of
4066 first_partition to VEC(int,heap) *.
4067 (tpa_first_partition): Use VEC instead of VARRAY.
4069 * Makefile.in (GTFILES): Move functions.h after tree.h.
4070 * function.c (reset_block_changes, record_block_change,
4071 check_block_change, free_block_changes): Use VEC instead of
4073 * function.h (function): Change the type of
4074 ib_boundaries_block to VEC(tree,gc) *.
4075 * tree-inline.c (copy_cfg_body): Initialize
4076 ib_boundaries_block to NULL instead of (varray_type) 0.
4078 2006-04-12 Roger Sayle <roger@eyesopen.com>
4080 * expr.c (emit_group_store): Correct operand order in call to
4081 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4082 a SUBREG_BYTE of zero.
4084 2006-04-12 Richard Guenther <rguenther@suse.de>
4086 * profile.c (compute_branch_probabilities): Remove code
4087 encapsulated in !ir_type (), which are remanents of the
4088 removed RTL profiling code.
4089 * rtl-profile.c: Remove.
4091 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4093 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4094 magic NULL_RTX comment.
4095 (function_arg): Store entire fp arg to mem if any part should go
4097 (rs6000_arg_partial_bytes): Adjust for above change.
4099 2006-04-11 Roger Sayle <roger@eyesopen.com>
4101 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4102 if it hasn't been initialized by dwarf2out_init.
4104 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4106 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4107 symbolic constants in branch patterns.
4109 2006-04-11 Roger Sayle <roger@eyesopen.com>
4111 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4113 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4115 PR rtl-optimization/27073
4116 * gcse.c (try_replace_reg): Revert last change. Continue to search
4117 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4120 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4122 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4123 aggregate types other than record and union types.
4124 (function_arg): Likewise.
4125 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4127 (function_value): In 64-bit mode, return objects that require it
4130 2006-04-11 Roger Sayle <roger@eyesopen.com>
4132 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4134 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4136 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4138 2006-04-03 Jeff Law <law@redhat.com>
4141 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4142 alias information too.
4144 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4146 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4148 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4151 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4152 (premark_used_types_helper): New.
4153 (premark_used_types): New.
4154 (gen_subprogram_die): Call premark_used_types.
4155 (prune_unused_types_walk): Do not prune perennial dies.
4156 * function.c (used_types_insert): New.
4157 * function.h (struct function): Add used_types_hash field.
4158 (used_types_insert): Add prototype.
4159 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4160 * c-parser.c (c_parser_cast_expression): Save casted types in used
4163 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4166 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4167 rs6000_explicit_options.float_gprs.
4169 2006-04-10 Roger Sayle <roger@eyesopen.com>
4171 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4172 from ix86_expand_vector_init_low_nonzero. Take an additional
4173 one_var argument indicating which element is non-zero. Support
4174 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4175 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4176 with one_var instead of ix86_expand_vector_init_low_nonzero.
4178 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4180 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4181 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4182 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4183 build/genextract.o): Depend on vecprim.h.
4184 * cfglayout.c, df-problems.c, function.c, genextract.c,
4185 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4186 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4190 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4192 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4193 Declare VECs of this type.
4194 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4195 (remove_children): Delete.
4196 (add_dwarf_attr): Use VEC routines.
4197 (add_AT_flag): Update for changes to add_dwarf_attr.
4198 (add_AT_int): Likewise.
4199 (add_AT_unsigned): Likewise.
4200 (add_AT_long_long): Likewise.
4201 (add_AT_vec): Likewise.
4202 (add_AT_string): Likewise.
4203 (add_AT_die_ref): Likewise.
4204 (add_AT_fde_ref): Likewise.
4205 (add_AT_loc): Likewise.
4206 (add_AT_loc_list): Likewise.
4207 (add_AT_addr): Likewise.
4208 (add_AT_lbl_id): Likewise.
4209 (add_AT_lineptr): Likewise.
4210 (add_AT_macptr): Likewise.
4211 (add_AT_offset): Likewise.
4212 (add_AT_range_list): Likewise.
4213 (get_AT): Use VEC_iterate.
4214 (remove_AT): Use VEC_ordered_remove.
4215 (free_die): Fold remove_children into here; have it use VEC_iterate.
4216 (print_die): Use VEC_iterate on attrs.
4217 (reverse_die_lists): Don't reverse attr lists.
4218 (die_checksum): Use VEC_iterate on attrs.
4219 (same_die_p): Likewise.
4220 (output_location_lists): Likewise.
4221 (build_abbrev_table): Likewise.
4222 (size_of_die): Likewise.
4223 (unmark_all_dies): Likewise.
4224 (output_abbrev_section): Likewise.
4225 (output_die): Likewise.
4226 (prune_unused_types_walk_attribs): Likewise.
4228 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4230 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4232 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4235 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4237 2006-04-09 Roger Sayle <roger@eyesopen.com>
4239 * expr.c (store_constructor): Don't bother clearing target if
4240 we're about to assign a vector to it using vec_init_optab.
4242 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4244 * tree-ssa-alias.c (lhs_may_store_to): New function.
4245 (recalculate_used_alone): Handle LHS of calls.
4247 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4251 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4252 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4253 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4254 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4255 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4256 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4257 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4258 stubs. Add ".align 8" directives before all ".dword" directives.
4259 (GTHREAD_USE_WEAK): Revise comment.
4260 (TARGET_ATTRIBUTE_WEAK): Define.
4261 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4262 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4263 * stublib.c: New file.
4268 * pa.md (cbranch patterns): Revise arguments used in calls to
4269 output_cbranch, output_bb and output_bvd. Add long branch length
4271 (fbranch patterns): Handle long branches.
4272 (jump): Revise length check. Revise arguments for output_lbranch call.
4273 Add long branch length attributes.
4274 (decrement_and_branch_until_zero): Add long branch length attributes.
4275 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4276 Likewise. Revise arguments for output_parallel_addb and
4277 output_parallel_movb calls.
4278 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4279 output_parallel_movb and output_parallel_addb): Update prototypes.
4280 * pa.c (output_cbranch): Revise arguments. Correct handling of
4281 nullification in long branches.
4282 (output_lbranch): Add new argument to control extraction of delay
4284 (output_bb): Handle long branches.
4285 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4286 output_parallel_addb): Likewise.
4288 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4290 PR rtl-optimization/27073
4291 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4294 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4296 * tree.h (tree_memory_tag): Add old_used_alone.
4297 (SMT_OLD_USED_ALONE): New macro.
4298 * tree-ssa-alias.c (recalculate_used_alone): Stop
4299 marking things for renaming unnecessarily.
4301 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4303 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4304 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4305 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4306 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4307 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4308 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4309 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4310 spelling convensions.
4311 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4312 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4313 typos. Follow spelling conventions.
4315 2006-04-07 DJ Delorie <dj@redhat.com>
4317 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4318 passed on the stack.
4319 (m32c_init_cumulative_args): When a function returns a structure,
4320 always pass the pointer to that return area on the stack.
4321 (m32c_function_arg_advance): Don't increment the parameter number
4322 if we're processing the returned structure pointer.
4323 (pushm_info): Reverse order of registers.
4325 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4327 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4328 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4329 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4330 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4332 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4333 chrec_fold_multiply): Same.
4334 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4335 force_expr_to_var_cost): Same.
4336 * tree-mudflap.c (mf_xform_derefs_1): Same.
4337 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4339 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4341 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4342 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4345 2006-04-07 Jan Hubicka <jh@suse.cz>
4347 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4349 2006-04-07 Richard Guenther <rguenther@suse.de>
4351 PR tree-optimization/26135
4352 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4353 loads for store copy-prop.
4354 (copy_prop_visit_stmt): Likewise.
4356 2006-04-05 Robert Millan <robertmh@gnu.org>
4358 * config/i386/linux.h: Add a comment to mark macros that are
4359 being overriden in config/k*bsd-gnu.h.
4360 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4362 * config/knetbsd-gnu.h: Ditto.
4364 2006-04-06 Jan Hubicka <jh@suse.cz>
4368 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4371 2006-04-06 Mike Stump <mrs@apple.com>
4373 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4374 for HAVE_nonlocal_goto to be consistent.
4375 (expand_builtin_nonlocal_goto): Likewise.
4376 (expand_builtin_strcmp): Use #ifdef instead of #if
4377 for HAVE_cmpstrnsi to be consistent.
4379 2006-04-05 DJ Delorie <dj@redhat.com>
4381 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4384 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4386 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4387 got-relative addressing for anything but SImode.
4389 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4390 even if the calling function doesn't modify them.
4392 2006-04-05 Richard Guenther <rguenther@suse.de>
4394 PR tree-optimization/26919
4395 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4396 to cgraph_estimate_size_after_inlining.
4398 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4400 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4402 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4404 PR tree-optimization/26996
4405 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4406 VECTOR_TYPE variables.
4408 2006-04-05 Richard Guenther <rguenther@suse.de>
4410 PR tree-optimization/26763
4411 * fold-const.c (fold_comparison): Move folding of
4412 PTR + CST CMP PTR + CST ...
4413 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4415 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4417 * doc/install.texi (Prerequisites): Refine some wording on
4418 bootstrapping and ksh.
4419 Move the version numbers of DejaGnu here from the testing section
4420 and fix casing of names.
4421 Fix markup and clarify wording for autogen requirements.
4422 Refer to GCJ instead of just java.
4423 Refer to SVN instead of CVS.
4424 Describe diffutils as useful instead of necessary.
4425 (Downloading the source): Refer to SVN instead of CVS.
4426 Adjust a link to our web site accordingly.
4427 (Configuration): Fix casing of Bison.
4428 (Building): Refer to SVN instead of CVS.
4429 Fix a sentence on the use of Bison and remove duplicate (and
4430 incorrect) version number of Bison requirement.
4431 Remove one redundant list of packages needed for building.
4432 (Specific): Avoid reference to CVS.
4434 2006-04-04 Eric Christopher <echristo@apple.com>
4436 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4437 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4438 (rs6000_handle_struct_attribute): New.
4439 (rs6000_ms_bitfield_layout_p): Ditto.
4441 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4443 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4444 NULL for dso parameter to atexit_common.
4446 2006-04-04 Eric Christopher <echristo@apple.com>
4448 * config/i386/i386.c (machopic_output_stub): Output \t
4449 between instructions and operands.
4451 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4453 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4454 satisfies_constraint_[IL] to explicit tests on value.
4456 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4458 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4459 set_nb_iterations_in_loop): Use build_int_cst instead of
4461 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4462 build_int_cst instead of convert.
4464 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4466 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4467 new value 2 for incoming.
4468 * function.c (expand_function_start): Call struct_value_rtx
4470 * config/sparc/sparc.md: Comment updated_return.
4471 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4472 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4473 struct return if sparc_std_struct_return and incoming is 2.
4474 (print_operand): Do not adjust return if
4475 sparc_std_struct_return.
4477 2006-04-04 Roger Sayle <roger@eyesopen.com>
4479 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4480 convert in the middle-end.
4481 * expr.c (store_expr, store_constructor, get_inner_reference,
4482 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4484 * tree.c (build_range_type): Likewise.
4486 2006-04-04 Tom Tromey <tromey@redhat.com>
4488 * doc/install.texi (Prerequisites): Mention jar.
4490 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4492 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4495 2006-04-04 Matthias Klose <doko@debian.org>
4497 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4498 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4501 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4503 * doc/extend.texi (Function Attributes): Rewrite visibility
4504 attribute documentation.
4505 * doc/invoke.texi (C++ Dialect Options): Rewrite
4506 -fvisibility-inlines-hidden documentation to describe something
4507 entirely different, although in practise compatible.
4508 (Code Gen Options): Warn about system headers in -fvisibility=
4511 * doc/extend.texi (Other Builtins): Document that
4512 __builtin_nan is a compile-time constant only when its argument
4515 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4517 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4518 trying to remove TRUNCATE check if all bits outside the new mode
4519 are identical to the sign bit.
4521 2006-04-03 Jeff Law <law@redhat.com>
4523 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4524 and operand scanning in some common cases.
4526 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4527 Dale Johannesen <dalej@apple.com>
4530 * regclass.c (struct reg_pref): Update documentation.
4531 (regclass): Set prefclass to NO_REGS if memory is the best option.
4532 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4533 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4534 into account. For non-registers, equate an empty preferred
4535 reload class to a `!' in the constraint; move the if clause to
4536 do so after those that reject the insn.
4537 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4539 (find_dummy_reload): Likewise.
4540 * doc/tm.texi (Register Classes): Document what it means
4541 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4542 * config/i386/i386.c (ix86_preferred_reload_class): Force
4543 using SSE registers (and return NO_REGS for floating-point
4544 constants) if math is done with SSE.
4545 (ix86_preferred_output_reload_class): New.
4546 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4547 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4548 * config/i386/i386.md: Remove # register preferences.
4550 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4553 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4554 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4555 the type of nb_iter.
4556 (instantiate_parameters_1): Convert the operands before calling
4557 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4558 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4560 2006-04-02 Roger Sayle <roger@eyesopen.com>
4562 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4563 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4565 * dojump.c (do_jump): Likewise.
4566 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4567 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4568 gimplify_boolean_expr): Likewise.
4569 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4570 * varasm.c (array_size_for_constructor): Likewise.
4571 * tree-object-size.c (compute_object_offset): Likewise.
4573 2006-04-02 Roger Sayle <roger@eyesopen.com>
4576 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4577 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4579 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4581 PR tree-optimization/26939
4582 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4584 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4586 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4587 at_stmt. Convert the type of operands before calling
4588 build_polynomial_chrec.
4589 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4591 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4592 (instantiate_parameters_1): Convert the type of operands before calling
4593 build_polynomial_chrec.
4594 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4595 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4596 reset_evolution_in_loop): Insert asserts to check the types of the
4598 (chrec_type): Moved...
4599 (eq_evolutions_p): Use operand_equal_p.
4600 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4601 the types of the operands.
4602 (chrec_type): ...here.
4603 * tree-data-ref.c (create_data_ref): Convert the operands before
4604 calling chrec_replace_initial_condition.
4605 (same_access_functions, analyze_subscript_affine_affine,
4606 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4607 (compute_subscript_distance, analyze_ziv_subscript,
4608 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4609 analyze_miv_subscript): Convert the operands before calling
4610 chrec_fold_minus or chrec_fold_plus.
4612 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4614 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4615 the dependence_relations vector.
4616 (compute_data_dependences_for_loop): Adjust call to
4617 compute_all_dependences.
4619 2006-04-01 Roger Sayle <roger@eyesopen.com>
4620 Richard Henderson <rth@redhat.com>
4622 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4623 gimple_boolify on the condition before calling gimplify_expr.
4625 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4627 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4628 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4629 the frame size. Update to use the new macros.
4630 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4631 * config/xtensa/ieee754-df.S: Likewise.
4633 2006-03-31 Richard Henderson <rth@redhat.com>
4635 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4636 (make_edges): ... here. Control fallthru creation with a local
4637 variable. Do not play with fake edges.
4638 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4639 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4642 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4644 * dwarf2.h (DW64_CIE_ID): Define.
4645 * dwarf2out.c (DWARF_CIE_ID): Define.
4646 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4647 length header. Use DWARF_CIE_ID.
4648 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4649 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4651 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4653 * config/sh/linux-atomic.asm: New file.
4654 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4656 2006-03-31 DJ Delorie <dj@redhat.com>
4658 * config/m32c/cond.md: Set condition flags properly throughout.
4659 * config/m32c/minmax.md: Likewise.
4660 * config/m32c/prologue.md: Likewise.
4661 * config/m32c/bitops.md: Likewise.
4662 * config/m32c/muldiv.md: Likewise.
4663 * config/m32c/mov.md: Likewise.
4664 * config/m32c/addsub.md: Likewise.
4665 * config/m32c/m32c.md: Likewise.
4666 * config/m32c/jump.md: Likewise.
4667 * config/m32c/shift.md: Likewise.
4669 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4670 conditionally output the pattern for this.
4671 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4672 (m32c_compare_redundant): New.
4673 (m32c_output_compare): New.
4674 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4676 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4677 dest, not src. Allow other 4-byte modes.
4679 2006-03-30 Denis Chertykov <denisc@overta.ru>
4681 * doc/md.texi: Refer to avr/constraints.md instead of
4684 2006-03-30 Roger Sayle <roger@eyesopen.com>
4686 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4687 signed vs. unsigned comparison failures on some hosts.
4689 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4692 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4693 change to FLOAT_REGS.
4695 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4696 (rs6000_override_options): Use it.
4697 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4698 only for -mabi=spe/no-spe and -mabi=altivec.
4700 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4702 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4705 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4707 * Makefile.in: Rename docdir to gcc_docdir.
4709 2006-03-30 Roger Sayle <roger@eyesopen.com>
4712 * expr.c (emit_group_store): Optimize group stores into a pseudo
4713 register by using a paradoxical subreg to initialize the destination
4714 if the first or last member of the group specifies a "low part".
4716 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4719 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4720 * target.h (struct gcc_target.speculate_insn): Change type of the
4721 second parameter to 'int'.
4722 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4723 the second operand of the DEPS_LIST.
4724 (copy_DEPS_LIST_list): Update reference to the second operand of the
4726 * rtl.h (alloc_DEPS_LIST): Update signature.
4727 * sched-int.h (ds_t): Change typedef to 'int'.
4728 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4730 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4732 * haifa-sched.c (try_ready): Change condition to restore
4733 non-speculative pattern of the instruction.
4734 (process_insn_depend_be_in_spec): Code to keep probability of the
4735 speculative dependence non-decreasing.
4737 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4739 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4740 (single_move_for_movmem): ... this. Also change all uses.
4741 (bfin_expand_strmov): Renamed to...
4742 (bfin_expand_movmem): ... this. Also change all uses.
4743 * config/bfin/bfin.md (movstrsi): Renamed to...
4744 (movstrsi): ...this.
4746 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4748 PR tree-optimization/26830
4750 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4751 (copy_prop_visit_stmt): Remove write-only variable ann.
4752 (init_copy_prop): Check variable loop depth here. Do not simulate
4753 memory-tag and virtual operand PHIs except for store copy prop.
4755 2006-03-30 Richard Guenther <rguenther@suse.de>
4757 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4758 variants with double arguments.
4760 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4762 * genpreds.c (write_tm_constrs_h): Delete variable p.
4763 * genconditions.c (write_header): Add tm-constrs.h to included
4765 * genpeep.c (main): Add toplev.h to included headers.
4766 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4767 (build/genpeep.o): Add toplev.h dependency.
4768 * config/rs6000/constraints.md: Add "W" constraint.
4770 2006-03-29 Roger Sayle <roger@eyesopen.com>
4772 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4773 sizes by correctly testing whether the size fits a host integer.
4774 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4775 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4776 SImode range for the default sizetype and bitsizetype.
4778 2006-03-29 Roger Sayle <roger@eyesopen.com>
4780 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4781 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4782 quickly if the argument is already of the correct type.
4783 Call fold_build1 instead of build1. Tidy up blank lines.
4785 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4787 * genemit.c (main): Add tm-constrs.h to included headers.
4788 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4789 * genpeep.c (main): Add tm-constrs.h to included headers.
4790 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4791 (write_tm_constrs_h): this and write complete file.
4792 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4793 (write_insn_preds_c): Add tm-constrs.h to included headers.
4794 (gen_constrs): New variable.
4795 (parse_option): Parse "-c".
4796 (main): Invoke write_tm_constrs_h.
4797 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4798 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4799 (object_out_file): Add tm-constrs.h dependency.
4800 (insn-emit.o): Same.
4801 (insn-output.o): Same.
4802 (insn-peep.o): Same.
4803 (insn-preds.o): Same.
4804 (insn-recog.o): Same.
4805 (tm-constsr.h): New target.
4806 (s-constrs-h): New target.
4808 * config/rs6000/constraints.md: New file.
4809 * config/rs6000/rs6000.c: Include tm-constrs.h.
4810 (num_insn_constant_wide): Convert to satisfies_constraint.
4811 (rs6000_rtx_costs): Convert to satisfies_constraint.
4812 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4813 (CONST_OK_FOR_LETTER_P): Delete.
4814 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4815 (EXTRA_CONSTRAINT): Delete.
4816 (EXTRA_MEMORY_CONSTRAINT): Delete.
4817 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4818 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4819 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4820 satisfies_constraint.
4822 * config/i386/i386.c: Include tm-constrs.h.
4824 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4826 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4827 * tree-data-ref.c (find_data_references_in_loop,
4828 compute_data_dependences_for_loop): Use pointers to VEC.
4829 (analyze_all_data_dependences): Adjust calls.
4830 * tree-data-ref.h (find_data_references_in_loop,
4831 compute_data_dependences_for_loop): Adjust declarations.
4832 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4833 compute_data_dependences_for_loop.
4835 2006-03-29 Paul Brook <paul@codesourcery.com>
4837 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4840 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4842 PR tree-optimization/26859
4843 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4845 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4846 for the step after fold_convert.
4848 2006-03-29 Paul Brook <paul@codesourcery.com>
4850 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4851 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4853 2006-03-29 Paul Brook <paul@codesourcery.com>
4856 * targhooks.c (default_narrow_bitfield): New fuction.
4857 * targhooks.h (default_narrow_bitfield): add prototype.
4858 * target.h (gcc_target): Add narrow_volatile_bitfield.
4859 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4860 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4861 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4862 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4864 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4866 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4868 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4869 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4870 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4871 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4872 (s390_function_arg_float): Allow SDmode and DDmode values to be
4873 passed in floating point registers.
4874 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4875 check with SCALAR_FLOAT_MODE_P.
4876 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4878 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4880 PR tree-optimization/25985
4881 * tree-ssa-loop-niter.c (number_of_iterations_le,
4882 number_of_iterations_ne): Make comments more precise.
4883 (number_of_iterations_cond): Add only_exit argument. Use the
4884 fact that signed variables do not overflow only when only_exit
4886 (loop_only_exit_p): New.
4887 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4888 number_of_iterations_cond.
4890 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4892 PR tree-optimization/26643
4893 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4896 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4898 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4899 (divsi3_i4_int): Likewise.
4901 2006-03-28 Roger Sayle <roger@eyesopen.com>
4903 * expr.c (emit_group_store): Only create a new pseudo reg if the
4904 quantity it needs to hold isn't already a suitable pseudo.
4906 2006-03-28 Jeff Law <law@redhat.com>
4908 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4909 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4911 2006-03-28 Roger Sayle <roger@eyesopen.com>
4913 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4914 the equivalent ~X & Y, and the symmetry related transformations.
4915 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4916 ~X & Y, and symmetry related transforms.
4918 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4920 Revert my 2006-03-27 patches.
4922 2006-03-28 Roger Sayle <roger@eyesopen.com>
4924 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4925 ~(T1)X, when T1 and T2 are integer types of the same precision
4926 and (T2)X isn't an extension.
4928 2006-03-28 Jeff Law <law@redhat.com>
4930 PR tree-optimization/26796
4931 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4932 need EH edge cleanups rather than purging them immediately.
4933 (eliminate_degenerate_phis): Handle queued EH cleanups.
4935 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4937 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4940 2006-03-27 Roger Sayle <roger@eyesopen.com>
4943 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4944 cast BIT_NOT_EXPR operand to the correct type.
4946 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4948 * tree-loop-linear.c: Don't include varray.h.
4949 (gather_interchange_stats, try_interchange_loops,
4950 linear_transform_loops): Use VEC instead of VARRAY.
4951 * lambda-mat.c: Don't include varray.h.
4952 * tree-chrec.c: Same.
4953 * lambda-trans.c: Same.
4954 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4955 VEC instead of VARRAY.
4956 * tree-vectorizer.h: Idem.
4957 * tree-data-ref.c (dump_data_references,
4958 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4959 initialize_data_dependence_relation, finalize_ddr_dependent,
4960 compute_all_dependences, find_data_references_in_loop,
4961 compute_data_dependences_for_loop, analyze_all_data_dependences,
4962 free_dependence_relation, free_dependence_relations,
4963 free_data_refs): Idem.
4964 * tree-data-ref.h (data_reference_p, subscript_p): New.
4965 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4966 VEC instead of VARRAY.
4967 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4968 (find_data_references_in_loop, compute_data_dependences_for_loop,
4969 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4970 dump_data_dependence_relations, free_dependence_relations,
4971 free_data_refs): Adjust declaration.
4972 (lambda_transform_legal_p): Move declaration here...
4973 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4974 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4975 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4976 vect_analyze_data_refs): Use VEC instead of VARRAY.
4977 * lambda.h (lambda_transform_legal_p): ...from here.
4978 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4979 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4980 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4981 tree-chrec.o): Don't depend on VARRAY_H.
4983 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4985 * rtl.def (Copyright): Update date.
4986 (DEPS_LIST): Change type of the second operand to 'int'.
4987 * target.h (Copyright): Update date.
4988 (struct gcc_target.speculate_insn): Change type of the second parameter
4990 * lists.c (Copyright): Update date.
4991 (alloc_DEPS_LIST): Change signature. Update reference to the second
4992 operand of the DEPS_LIST.
4993 (copy_DEPS_LIST_list): Update reference to the second operand of the
4995 * rtl.h (Copyright): Update date.
4996 (alloc_DEPS_LIST): Update signature.
4997 * sched-int.h (Copyright): Update date.
4998 (ds_t): Change typedef to 'int'.
4999 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5001 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5003 * haifa-sched.c (Copyright): Update date.
5004 (try_ready): Change condition to restore non-speculative pattern
5006 (process_insn_depend_be_in_spec): Code to keep probability of the
5007 speculative dependence non-decreasing.
5009 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5011 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5012 shut up the compiler.
5014 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5016 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5017 to use lib prefix for target.
5018 ($(T)libic_invalidate_array_4-200.a): Likewise.
5019 ($(T)libic_invalidate_array_4a.a): Likewise.
5021 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5022 J"orn Rennecke <joern.rennecke@st.com>
5024 * superh.opt: New file.
5025 * sh.c (boardtype, osruntime): Remove.
5026 * superh.h (SUBTARGET_OPTIONS): Remove.
5027 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5029 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5030 arguments with ^ and/or [].
5032 * config.gcc (sh-*-*): Add quoting to account for quirk of
5034 Replace == with = in enable_incomplete_targets test.
5036 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5037 with MASK_LITTLE_ENDIAN.
5039 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5040 * config/sh/sh.opt: Added to some comments.
5041 * config/sh/superh.h: Removed some chaff.
5043 * config/sh/sh.opt: Add m4-[1234]00* options.
5044 * config/sh/sh.c (sh_handle_option): Likewise.
5045 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5046 (ic_invalidate_array_4-100.o): New rule.
5047 ($(T)libic_invalidate_array_4-100.a): Likewise.
5048 (ic_invalidate_array_4-200.o): Likewise.
5049 ($(T)libic_invalidate_array_4-200.a): Likewise.
5050 (ic_invalidate_array_4a.o): Likewise.
5051 ($(T)libic_invalidate_array_4a.a): Likewise.
5052 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5053 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5055 * config/sh/crt1.asm: Merged in profiling code.
5056 * config/sh/superh.h (STARTFILE_SPEC): Override.
5057 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5058 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5059 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5061 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5062 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5063 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5065 * sh.opt (mpretend-cmove): New option.
5066 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5067 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5068 (movsicc): Add TARGET_PRETEND_CMOVE code.
5070 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5072 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5073 s390_class_max_nregs): New function prototypes.
5074 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5075 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5076 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5077 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5079 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5081 * dwarf2out.c (add_location_or_const_value_attribute): Call
5082 tree_add_const_value_attribute if nothing else works.
5083 (reference_to_unused): New.
5084 (rtl_for_decl_init): Use reference_to_unused to decide whether
5085 to output an initializer.
5087 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5090 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5091 peephole removing spe frob_di_df_2.
5093 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5095 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5096 (subscript_dependence_tester_1): Declared.
5097 (print_dir_vectors, print_dist_vectors): New.
5098 (debug_data_dependence_relation): New.
5099 (dump_data_dependence_relation): Print more details.
5100 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5101 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5102 (save_dist_v, save_dir_v, add_outer_distances,
5103 build_classic_dist_vector_1): New.
5104 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5105 Don't test for lambda_vector_lexico_pos.
5106 (same_access_functions, add_multivariate_self_dist,
5107 add_other_self_distances, dir_from_dist): New.
5108 (build_classic_dir_vector): Replace implementation almost identical to
5109 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5111 (subscript_dependence_tester_1): New.
5112 (subscript_dependence_tester): Handle the lexicographically negative
5113 distance vectors by recomputing the dependence relation.
5114 (compute_affine_dependence): Remove parameter loop_nest_depth.
5115 (compute_self_dependence): Don't call compute_subscript_distance.
5116 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5117 Add a parameter for the loop_nest.
5118 (find_loop_nest_1, find_loop_nest): New.
5119 (compute_data_dependences_for_loop): Compute the loop nest, and give
5120 up if the nest is not well formed.
5121 * tree-data-ref.h (loop_p): New.
5122 (struct data_dependence_relation): Replace size_vect field with
5123 loop_nest, a vec of loops.
5124 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5125 (DDR_LOOP_NEST): New.
5126 (print_dir_vectors, print_dist_vectors,
5127 debug_data_dependence_relation): Declared.
5128 (index_in_loop_nest): New.
5129 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5130 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5133 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5135 * simplify-rtx.c (simplify_relational_operation): Call
5136 simplify_relational_operation_1 even if mode is VOIDmode.
5138 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5140 PR tree-optimization/26804
5141 * tree.h (DECL_CALL_CLOBBERED): New macro.
5142 (tree_decl_common): Add call_clobbered_flag.
5143 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5144 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5145 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5146 (mark_non_addressable): Ditto.
5147 * tree-ssa.c (verify_call_clobbered): New function.
5148 (verify_alias_info): Use it.
5149 * tree-pass.h (pass_reset_cc_flags): New prototype.
5150 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5151 (reset_cc_flags): New function.
5152 * passes.c (init_optimization_passes): Call reset_cc_flags after
5153 initializing referenced_vars.
5155 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5156 Roger Sayle <roger@eyesopen.com>
5159 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5160 to 1.0 for non-real operands. Implement A / A optimization for
5163 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5165 * config/i386/i386.c (size_cost): Correct the comment for
5166 cost of storing fp registers.
5167 (i386_cost): Likewise.
5168 (i486_cost): Likewise.
5169 (pentium_cost): Likewise.
5170 (pentiumpro_cost): Likewise.
5171 (k6_cost): Likewise.
5172 (athlon_cost): Likewise.
5173 (k8_cost): Likewise.
5174 (pentium4_cost): Likewise.
5175 (nocona_cost): Likewise.
5176 (generic64_cost): Likewise.
5177 (generic32_cost): Likewise.
5179 2006-03-24 Denis Chertykov <denisc@overta.ru>
5181 * config/avr/avr-protos.h (extra_constraint): Delete.
5182 (extra_constraint_Q): New declaration.
5183 * config/avr/constraints.md: New file.
5184 * config/avr/avr.md: Include it.
5185 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5186 (TMP_REGNO, ZERO_REGNO): Likewise.
5187 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5188 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5189 (extra_constraint): Delete.
5190 (extra_constraint_Q): Test for memory constraint 'Q'.
5191 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5192 (REG_CLASS_FROM_LETTER): Delete.
5193 (CONST_OK_FOR_LETTER_P): Delete.
5194 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5195 (EXTRA_CONSTRAINT): Delete.
5196 (TMP_REGNO): Delete.
5197 (ZERO_REGNO): Delete.
5199 2006-03-24 Jeff Law <law@redhat.com>
5201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5202 directly. Call mark_new_vars_to_rename slightly earlier.
5204 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5206 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5208 (gen_compile_unit_die): Use new language types for Objective-C and
5210 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5211 DW_LANG_C_plus_plus.
5214 * config/t-darwin (crt3.o): Work around bug 26840.
5215 * config/darwin-crt3.c: Rewrite.
5216 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5218 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5220 * doc/invoke.texi: Document -femit-class-debug-always
5221 * common.opt: Add -femit-class-debug-always.
5223 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5225 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5226 index and base register.
5227 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5228 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5229 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5230 REGNO_OK_FOR_INDEX_P.
5231 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5233 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5234 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5235 REG_OK_FOR_BASE_P): Definitions removed.
5237 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5240 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5241 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5242 set yet or weren't marked as local yet.
5244 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5246 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5249 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5251 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5252 (rs6000_legitimate_small_data_p): Delete.
5253 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5254 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5255 and make static. Add forward declaration. Update uses.
5256 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5257 of offsettable_memref_p.
5258 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5259 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5261 2006-03-24 Jeff Law <law@redhat.com>
5263 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5264 around bug in immediate-use iterator.
5266 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5269 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5270 or __LITTLE_ENDIAN__.
5272 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5274 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5275 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5276 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5277 * config/sh/sh.opt (mdiv=): Amend description.
5278 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5279 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5280 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5281 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5282 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5283 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5284 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5285 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5286 TARGET_DIVIDE_CALL_FP.
5288 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5290 * haifa-sched.c (choose_ready): Fix type of the local variable.
5291 Move local variables. Add comment.
5292 (check_reg_live): Change signature. Make callable from debugger.
5293 * sched-int.h (check_reg_live): Update signature.
5294 * sched-ebb.c (check_reg_live): Update parameters.
5295 * sched-rgn.c (check_reg_live): Ditto.
5296 (region_head_or_leaf_p): Check pointer before dereferencing.
5297 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5298 before reload on optimization levels below 1.
5300 2006-03-23 Richard Henderson <rth@redhat.com>
5302 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5306 * config/alpha/predicates.md (local_symbolic_operand): Reject
5309 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5312 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5313 expressions which have overflowed constants.
5315 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5317 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5319 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5321 * cfgloopmanip.c (create_loop_notes): Removed.
5322 * final.c (final_scan_insn): Do not handle loop notes.
5323 * jump.c (squeeze_notes): Ditto.
5324 * cfglayout.c (skip_insns_after_block,
5325 duplicate_insn_chain): Ditto.
5326 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5328 * cfgloop.h (create_loop_notes): Declaration removed.
5330 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5332 * varasm.c (output_constant_pool): Restore fnname and fndecl
5334 (assemble_start_function): Adjust call accordingly.
5335 (assemble_end_function): Likewise.
5337 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5340 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5343 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5345 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5348 * system.h (ICE_EXIT_CODE): New macro.
5349 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5350 (diagnostic_action_after_output): Likewise.
5351 * gcc.c (fatal_ice): New function.
5352 (execute): Use it instead of fatal.
5353 (fancy_abort): Likewise.
5354 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5356 2006-03-22 Jeff Law <law@redhat.com>
5358 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5359 iv_analyze_result returning false.
5361 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5363 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5365 2006-03-22 Richard Henderson <rth@redhat.com>
5368 * except.c (duplicate_eh_regions_0): New.
5369 (duplicate_eh_region_1): Duplicate the children of the node as
5370 well as the node itself. Link them up properly.
5371 (duplicate_eh_region_2): Merge into ...
5372 (duplicate_eh_regions): ... here. Take copy_region argument, and
5373 copy only a sub-tree if asked. Simplify copying and fixup.
5374 (eh_region_outer_p): New.
5375 * except.h (duplicate_eh_regions): Update decl.
5376 (eh_region_outer_p): Declare.
5377 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5378 (lower_omp_master): Likewise.
5379 (lower_omp_ordered): Likewise.
5380 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5381 (move_stmt_r): Use it to remap labels. Handle recursion vs
5382 remap_decls_p properly.
5383 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5384 (find_outermost_region_in_block): New.
5385 (new_label_mapper): New.
5386 (move_sese_region_to_fn): Copy eh information to the new function
5388 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5390 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5393 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5395 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5396 into shared libraries.
5398 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5400 * doc/md.texi: Refer to i386/constraints.md instead of
5402 * config/i386/constraints.md: New file, extracted from...
5403 * config/i386/predicates.md: ...here.
5404 * config/i386/i386.md: Include constraints.md.
5406 2006-03-21 Jason Merrill <jason@redhat.com>
5408 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5411 * expr.c (init_block_move_fn): Force default visibility.
5412 (init_block_clear_fn): Likewise.
5413 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5414 * targhooks.c (default_external_stack_protect_fail): Likewise.
5416 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5418 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5419 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5420 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5421 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5422 (loadgp): Use mips_current_loadgp_style.
5423 (loadgp_noshared): New pattern.
5424 (sibcall_internal): Use MIPS_CALL.
5425 (sibcall_value_internal): Likewise.
5426 (sibcall_value_multiple_internal): Likewise.
5427 (call_internal): Likewise.
5428 (call_value_internal): Likewise.
5429 (call_value_multiple_internal): Likewise.
5430 (call_split): Use MIPS_CALL and add an 'S' constraint.
5431 (call_value_split): Likewise.
5432 (call_value_multiple_split): Likewise.
5433 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5434 (-mshared): New option.
5435 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5436 (mips_current_loadgp_style): Declare.
5437 * config/mips/mips.c (mips_classify_symbol): Avoid using
5438 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5439 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5440 TARGET_ABSOLUTE_ABICALLS.
5441 (override_options): Adjust comments. Improve the warning that is
5442 issued when -mabicalls and -G are used together.
5443 (mips_file_start): Remove comment.
5444 (mips_current_loadgp_style): New function.
5445 (mips_gnu_local_gp): New variable.
5446 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5448 (mips_output_function_prologue): Use mips_current_laodgp_style.
5449 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5450 the cprestore instruction.
5451 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5452 live for TARGET_ABSOLUTE_ABICALLS.
5453 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5454 (ASM_SPEC): Pass down -mshared and -mno-shared.
5455 (MIPS_CALL): New macro.
5456 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5458 * doc/invoke.texi (-mabicalls): Update documentation.
5459 (-mshared): Document.
5461 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5463 * config/ia64/unwind-hpux.c: New file.
5464 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5466 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5469 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5471 2006-03-21 Jeff Law <law@redhat.com>
5473 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5474 type conversions of a VR_VARYING source to a wider type.
5476 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5478 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5479 tm_file on Solaris 10 and later.
5480 (sparc64-*-solaris2*): Likewise.
5481 (sparc-*-solaris2*): Likewise.
5482 * config/sol26.h: Rename to config/sol2-6.h.
5483 * config/sol2-10.h: New file.
5485 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5488 * tree-ssa-pre.c (create_component_ref_by_pieces):
5491 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5494 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5495 return it immediately.
5497 2006-03-21 Michael Matz <matz@suse.de>
5499 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5501 (remove_arc, add_arc): Update num_out_arcs member.
5502 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5504 (cache_presence): New function.
5505 (compare_states_for_equiv): New function.
5506 (state_is_differed): Don't take number of outargs, adjust callers.
5507 Use new invariant for speeding up.
5508 (init_equiv_class): Create initial classes based on sorted
5510 (partition_equiv_class): Don't track out_arcs_num.
5511 (evaluate_equiv_classes): Call cache_presence on all states and
5514 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5516 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5517 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5518 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5519 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5521 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5522 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5523 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5524 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5525 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5527 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5528 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5529 (REGNO_REG_CLASS): ARGP is in PREGS.
5530 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5532 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5533 to deal with those addresses.
5534 * addresses.h: New file.
5535 * caller-save.c: Include "addresses.h".
5536 (init_caller_save): Use new base_reg_class function.
5537 * rtl-factoring.c: Include "addresses.h".
5538 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5539 * recog.c: Include "addresses.h".
5540 (preprocess_constraints): Use new base_reg_class function.
5541 * regrename.c: Include "addresses.h".
5542 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5543 functions. Keep track of a new var INDEX_CODE to compute valid
5545 (replace_oldest_value_addr): Likewise.
5546 (replace_oldest_value_mem): Use base_reg_class.
5547 * reload.c: Include "addresses.h".
5548 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5549 (find_reloads): Use new base_reg_class function.
5550 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5551 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5552 all callers and prototype changed.
5553 * reload1.c: Include "addresses.h".
5554 (maybe_fix_stack_asms): Use base_reg_class.
5555 * regclass.c: Include "addresses.h".
5556 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5557 (init_reg_autoinc): Use new base_reg_class function.
5558 (record_reg_classes): Likewise.
5559 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5560 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5561 Use new args to compute necessary class.
5563 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5564 regrename.o, rtl-factoring.o): Update dependencies.
5565 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5566 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5567 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5568 REG_OK_FOR_INDEX_P): Delete documentation.
5570 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5572 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5573 from V7 to V9 for Solaris 7 and above.
5575 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5577 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5578 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5579 argument pointers may not alias any other storage.
5580 * common.opt: Define option -fargument-noalias-anything.
5581 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5582 alias semantics is specified by flag_argument_noalias > 2.
5584 2006-03-20 Jeff Law <law@redhat.com>
5586 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5587 (pass_phi_only_cprop): Declare.
5588 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5590 * tree-ssa-dom.c (degenerate_phi_result): New function.
5591 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5592 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5593 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5594 (eliminate_degenerate_phis): Likewise.
5595 (pass_phi_only_cprop): New pass descriptor.
5596 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5597 support code. Callers updated.
5598 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5599 (store_copy_prop): Likewise.
5600 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5602 2006-03-20 Jason Merrill <jason@redhat.com>
5605 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5606 (push_visibility, pop_visibility): Likewise.
5607 * c-pragma.h: Declare them.
5609 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5611 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5613 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5614 parameter and use get_ebb_head_tail.
5615 (sh_md_init_global): Adjust uses of find_regmode_weight.
5617 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5619 * function.h (struct function) <x_tail_recursion_reentry>:
5620 Rename to x_stack_check_probe_note.
5621 (tail_recursion_reentry): Rename to stack_check_probe_note.
5622 * function.c: Replace tail_recursion_reentry with
5623 stack_check_probe_note everywhere.
5624 (expand_function_start): Only emit a note for
5625 stack_check_probe_note with -fstack-protect.
5626 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5628 * emit-rtl.c (remove_unnecessary_notes): Remove.
5629 (pass_remove_unnecessary_notes): Remove.
5630 * rtl.h (remove_unnecessary_notes): Remove prototype.
5631 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5632 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5633 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5635 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5638 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5639 (valid_in_set): Handle ARRAY_REF.
5640 Change "if min_variant or VH" to asserts.
5641 (create_component_ref_by_pieces): Handle ARRAY_REF.
5642 (create_expression_by_pieces): Likewise.
5643 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5645 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5647 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5648 is operand of switch, not str[0].
5650 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5652 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5653 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5655 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5657 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5658 end of insn_extra_address_constraint declaration.
5660 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5662 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5663 (no-sum-in-toc): Same.
5664 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5666 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5667 NO_FP_IN_TOC for -fPIC instead of mask.
5669 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5670 (BOOT_LDFLAGS): Delete.
5672 * config/rs6000/t-aix52: Same.
5674 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5675 (stmsi[345678]_power): New.
5677 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5679 * config/ia64/ia64.opt: Add empty line to end of file.
5681 2006-03-17 Richard Guenther <rguenther@suse.de>
5684 * builtins.c (get_pointer_alignment): For component style references
5685 adjust alignment to the component type alignment. Make sure
5686 to adjust alignment for component access of constants.
5688 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5690 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5693 2006-03-17 Paul Brook <paul@codesourcery.com>
5695 * doc/install.texi: Docuemnt --with-mode.
5696 * config.gcc: Add --with-mode for arm*-*-*.
5697 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5699 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5701 * sh.c (max_labelno_before_reorg): New variable.
5702 (sh_reorg): Initialize it.
5703 (find_barrier): Check max_labelno_before_reorg before using
5704 label_to_alignment. Take length of explicit alignment insns
5705 into account. When seeing a UNSPECV_CONST_END, return it.
5707 * sh.c (fixup_mova): Set mode of affected label to QImode.
5708 (untangle_mova): New function.
5709 (find_barrier): Use it. Check mode of label before decrementing
5711 (sh_reorg): Likewise.
5712 Set mode of all insns back to VOIDmode.
5714 * sh.c (MOVA_LABELREF): New macro.
5715 (mova_p, fixup_mova, sh_reorg): Use it.
5716 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5717 ADDR_DIFF_VEC matches mova.
5719 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5721 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5722 with ATTRIBUTE_UNUSED.
5724 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5726 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5727 pointer, instead of assuming it is possible to derive the
5728 correct args size from a call insn.
5730 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5732 * rtl.h (CONST_INT_P): Define.
5733 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5734 instead of GET_CODE(x) == CONST_INT.
5735 (vax_rtx_costs): Likewise.
5736 (vax_output_int_move): Likewise.
5737 (vax_output_int_add): Likewise.
5738 (legitimate_constant_address_p): Likewise.
5739 (index_term_p): Likewise.
5740 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5741 * config/vax/vax.md (and<mode>3): Likewise.
5742 (ashrsi3): Likewise.
5744 (movstricthi): Likewise.
5745 (movstrictqi): Likewise.
5746 (rotrsi3): Likewise.
5747 (five unnamed insns): Likewise.
5749 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5751 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5752 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5753 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5754 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5755 Pass to ASM_OUTPUT_DWARF_OFFSET.
5756 * dwarf2out.c (debug_frame_section): New.
5757 (output_call_frame_info): Use debug_frame_section. Pass it to
5758 dw2_asm_output_offset.
5759 (output_die): Pass appropriate section to dw2_asm_output_offset.
5760 (output_compilation_unit_header): Likewise.
5761 (output_pubnames): Likewise.
5762 (output_aranges): Likewise.
5763 (enum dw_val_class): Break dw_val_class_lbl_offset into
5764 dw_val_class_lineptr and dw_val_class_macptr.
5765 (add_AT_lbl_offset): Delete.
5766 (add_AT_lineptr): New.
5767 (add_AT_macptr): New.
5768 (AT_lbl): Expect a lineptr or macptr.
5769 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5770 (attr_checksum): Likewise.
5771 (same_dw_val_p): Likewise.
5772 (size_of_die): Likewise.
5773 (value_format): Likewise.
5774 (output_die): Likewise.
5775 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5777 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5778 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5779 * config/darwin-protos.h (darwin_file_start): New.
5780 (darwin_asm_output_dwarf_offset): New.
5781 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5782 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5784 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5785 if not EH section; simplify.
5786 (darwin_file_start): New.
5787 (darwin_asm_output_dwarf_offset): New.
5788 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5790 (DEBUG_INFO_SECTION): Likewise.
5791 (DEBUG_ABBREV_SECTION): Likewise.
5792 (DEBUG_ARANGES_SECTION): Likewise.
5793 (DEBUG_MACINFO_SECTION): Likewise.
5794 (DEBUG_LINE_SECTION): Likewise.
5795 (DEBUG_LOC_SECTION): Likewise.
5796 (DEBUG_PUBNAMES_SECTION): Likewise.
5797 (DEBUG_STR_SECTION): Likewise.
5798 (DEBUG_RANGES_SECTION): Likewise.
5799 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5800 (ASM_OUTPUT_DWARF_OFFSET): New.
5802 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5804 * config.gcc (tm_defines): Always add to previous value rather
5807 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5809 * config/mips/predicates.md (splittable_const_int_operand): New,
5810 split from move_operand.
5811 (splittable_symbolic_operand): New.
5812 (move_operand): Add commentary. Use splittable_const_int_operand.
5813 Inline mips_atomic_symbolic_constant_p.
5814 * config/mips/mips.md: Add combine splitters for handling moves
5815 of splittable_const_int_operands and splittable_symbolic_operands.
5816 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5817 (mips_split_symbol): Declare.
5818 (mips_move_integer): Declare.
5819 * config/mips/mips.c (mips_split_p): Make global.
5820 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5821 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5822 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5823 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5824 (mips_offset_within_object_p): Handle block symbols.
5825 (mips_atomic_symbolic_constant_p): Delete.
5826 (mips_cannot_force_const_mem): Return false for constants that
5827 mips_legitimize_move can handle.
5828 (mips_use_blocks_for_constant_p): New function.
5829 (mips_split_symbol): Make global.
5830 (mips_move_integer): Likewise. Add a temporary register argument.
5831 (mips_legitimize_const_move): Use splittable_const_int_operand and
5832 splittable_symbolic_operand.
5833 (mips_use_anchors_for_symbol_p): New function.
5834 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5835 (mips_split_p): Declare.
5837 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5839 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5840 (mips*-*-linux*): Likewise.
5842 2006-03-16 Roger Sayle <roger@eyesopen.com>
5843 Daniel Speyer <dspeyer@wam.umd.edu>
5846 * tree-dump.c (dump_real): New function.
5847 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5848 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5849 (tree-dump.o): Add $(REAL_H) to the dependencies.
5851 2006-03-16 Roger Sayle <roger@eyesopen.com>
5854 * real.c (real_from_string): If the mantissa is zero, don't bother
5855 parsing the exponent as the result should always be zero.
5857 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5859 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5863 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5864 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5865 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5866 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5867 ia64_sched_finish_global): New static functions to implement
5868 hooks from gcc_target.sched.
5869 (spec_check_no, max_uid, pending_data_specs): New static variables.
5870 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5871 ia64_spec_check_src_p): New static functions.
5872 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5873 (TARGET_SCHED_ADJUST_COST): Removed.
5874 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5875 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5876 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5877 TARGET_SCHED_GEN_CHECK,
5878 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5879 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5880 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5881 Fixed to handle speculation checks.
5882 (rtx_needs_barrier): Fixed to handle speculative loads and
5884 (ia64_variable_issue): Added code to count speculative loads and their
5886 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5888 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5890 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5892 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5893 (ia64_reorg): Reset stops_p to NULL after it is freed.
5894 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5895 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5896 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5898 (data_speculative, control_speculative, check_load): New attributes.
5899 (mov<mode>_advanced, mov<mode>_speculative,
5900 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5901 zero_extend<mode>di2_speculative,
5902 zero_extend<mode>di2_speculative_advanced): New patterns for
5903 data and control speculative loads.
5904 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5906 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5907 New pattern for data and control speculation checks.
5908 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5909 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5910 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5911 Auxiliary definitions for the patterns.
5912 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5913 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5915 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5917 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5918 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5919 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5920 New resource constraints.
5921 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5923 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5924 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5925 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5926 msched-in-control-spec, msched-ldc, msched-control-ldc,
5927 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5928 msched-prefer-non-control-spec-insns,
5929 msched-count-spec-in-critical-path): New flags to tune speculative
5931 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5932 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5933 msched-in-control-spec, msched-ldc, msched-control-ldc,
5934 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5935 msched-prefer-non-control-spec-insns,
5936 msched-count-spec-in-critical-path): Document new flags.
5938 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5940 * target.h (struct spec_info_def): New opaque declaration.
5941 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5942 speculate_insn, needs_block_p, gen_check,
5943 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5944 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5945 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5946 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5947 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5948 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5950 (TARGET_SCHED): Use new macros.
5951 * rtl.h (copy_DEPS_LIST_list): New prototype.
5952 * sched-int.h (struct sched_info): Change signature of new_ready field,
5953 adjust all initializations. New fields: add_remove_insn,
5954 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5955 region_head_or_leaf_p.
5956 (struct spec_info_def): New structure declaration.
5957 (spec_info_t): New typedef.
5958 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5959 recovery_block, orig_pat.
5960 (glat_start, glat_end): New variables declaraions.
5961 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5963 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5964 DETACH_LIFE_INFO, USE_GLAT.
5965 (enum SPEC_SCHED_FLAGS): New enumeration.
5966 (NOTE_NOTE_BB_P): New macro.
5967 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5968 attach_life_info, debug_spec_status, check_reg_live): New functions.
5969 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5970 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5972 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5973 * ddg.c (get_block_head_tail): Adjust all uses.
5974 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5975 (sms_sched_info): Initialize new fields.
5976 (contributes_to_priority): Removed.
5977 * haifa-sched.c (params.h): New include.
5978 (get_block_head_tail): Adjust all uses.
5979 (ISSUE_POINTS): New macro.
5980 (glat_start, glat_end): New global variables.
5981 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5982 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5983 old_last_basic_block, before_recovery, current_sched_info_var,
5984 rgn_n_insns, luid): New static variables.
5985 (insn_cost1): New function. Move logic from insn_cost to here.
5986 (find_insn_reg_weight1): New function. Move logic from
5987 find_insn_reg_weight to here.
5988 (reemit_notes, move_insn, max_issue): Change signature.
5989 (move_insn1): Removed.
5990 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5991 extend_bb): New static functions to support extension of scheduler's
5993 (generate_recovery_code, process_insn_depend_be_in_spec,
5994 begin_speculative_block, add_to_speculative_block,
5995 init_before_recovery, create_recovery_block, create_check_block_twin,
5996 fix_recovery_deps): New static functions to support
5997 generation of recovery code.
5998 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5999 restore_bb_notes, move_block_after_check, move_succs): New static
6000 functions to support ebb scheduling.
6001 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6002 functions to support handling of register live information.
6003 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6004 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6005 add_jump_dependencies): New static functions.
6006 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6007 consistancy checking.
6008 (debug_spec_status): New function to call from debugger.
6009 (priority): Added code to handle speculation checks.
6010 (rank_for_schedule): Added code to distinguish speculative instructions.
6011 (schedule_insn): Added code to handle speculation checks.
6012 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6013 Fixed to handle ebbs.
6014 (move_insn): Added code to handle ebb scheduling.
6015 (max_issue): Added code to use ISSUE_POINTS of instructions.
6016 (choose_ready): Added code to choose between speculative and
6017 non-speculative instructions.
6018 (schedule_block): Added code to handle ebb scheduling and scheduling of
6019 speculative instructions.
6020 (sched_init): Initialize new variables.
6021 (sched_finish): Free new variables. Print statistics.
6022 (try_ready): Added code to handle speculative instructions.
6023 * lists.c (copy_DEPS_LIST_list): New function.
6024 * sched-deps.c (extend_dependency_caches): New function. Move logic
6025 from create_dependency_caches to here.
6026 (get_dep_weak, ds_merge): Make global.
6027 * genattr.c (main): Code to output prototype for
6028 dfa_clear_single_insn_cache.
6029 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6030 (output_dfa_clean_insn_cache_func): Code to output
6031 dfa_clear_single_insn_cache function.
6032 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6034 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6036 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6037 New static variables.
6038 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6039 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6041 (ebb_sched_info): Initialize new fields.
6042 (get_block_head_tail): Adjust all uses.
6043 (compute_jump_reg_dependencies): Fixed to use glat_start.
6044 (schedule_ebb): Code to remove unreachable last block.
6045 (schedule_ebbs): Added code to update register live information.
6046 * sched-rgn.c (region_sched_info): Initialize new fields.
6047 (get_block_head_tail): Adjust all uses.
6048 (last_was_jump): Removed. Adjust users.
6049 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6050 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6051 Implement new hooks.
6052 (check_dead_notes1): New static function.
6053 (struct region): New fields: dont_calc_deps, has_real_ebb.
6054 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6055 (BB_TO_BLOCK): Fixed to handle EBBs.
6056 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6057 (ebb_head): New static variable.
6058 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6059 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6061 (compute_dom_prob_ps): New assertion.
6062 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6063 global_live_at_start.
6064 (init_ready_list): New assertions.
6065 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6066 (new_ready): Add support for BEGIN_CONTROL speculation.
6067 (schedule_insns): Fixed code that updates register live information
6069 (schedule_region): Fixed to handle EBBs.
6070 (init_regions): Use extend_regions and check_dead_notes1.
6071 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6072 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6073 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6074 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6075 TARGET_SCHED_GEN_CHECK,
6076 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6077 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6078 * doc/invoke.texi (max-sched-insn-conflict-delay,
6079 sched-spec-prob-cutoff): Document.
6081 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6083 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6084 inter_tick, queue_index.
6085 (struct sched_info): Change signature of init_ready_list field.
6086 Adjust all initializations.
6087 (RESOLVED_DEPS): New access macro.
6088 (ready_add): Remove prototype.
6089 (try_ready): Add prototype.
6090 * sched-rgn.c (init_ready_list): Use try_ready.
6091 (schedule_region): Initialize
6092 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6093 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6094 (init_ready_list): Use try_ready.
6095 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6096 * lists.c (remove_list_elem): Remove `static'.
6097 (remove_free_INSN_LIST_elem): New function.
6098 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6099 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6100 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6102 (readyp): New variable.
6103 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6104 change_queue_index, resolve_dep): New static functions.
6105 (try_ready): New function. Adjust callers in sched-rgn.c and
6106 sched-ebb.c to use it instead of ready_add.
6107 (clock_var): Move at the begining of file.
6108 (rank_for_schedule): Fix typo.
6109 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6110 (ready_lastpos): Enforce assertion.
6111 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6113 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6114 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6115 (queue_to_ready): Use free_INSN_LIST_list.
6116 (early_queue_to_ready): Fix typo.
6117 (schedule_block): Init readyp. Move init_ready_list call after the
6118 initialization of clock_var. Fix error in rejecting insn by
6119 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6120 that previously corrected INSN_TICKs. Add code for handling
6122 (set_priorities): Fix typo.
6123 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6124 Clarify comment and code that keeps current_sched_info->next_tail
6127 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6129 * sched-rgn.c (extend_rgns): New static function.
6130 (find_rgns): Use it.
6131 (gather_region_statistics, print_region_statistics): New static
6133 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6134 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6137 Andrey Belevantsev <abel@ispras.ru>
6139 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6140 * lists.c (unused_deps_list): New variable.
6141 (free_list): Add assertions to verify the proper distinguishing
6142 between INSN_LISTs and DEPS_LISTs.
6143 (find_list_elem, remove_list_elem, remove_list_node): New static
6145 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6146 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6147 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6148 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6150 (free_INSN_LIST_node): Likewise.
6151 * modulo-sched.c (current_sched_info): Initialize flags field.
6152 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6153 * rtl.def (DEPS_LIST): Define.
6154 * rtl.h: Declare new functions from lists.c.
6155 * sched-deps.c (spec_dependency_cache): New static variable.
6156 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6157 (add_dependence): Change return type to void. Move the logic to ...
6158 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6159 (delete_all_dependences): Add comment about forward_dependency_cache.
6160 Handle spec_dependency_cache. Handle DEPS_LISTs.
6161 (fixup_sched_groups): Clarify the change of priority of output
6162 and anti dependencies.
6163 (sched_analyze_2): Adjust add_dependence calls to create data
6164 speculative dependence.
6165 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6166 Adjust all callers. Handle DEPS_LISTS.
6167 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6168 presence of speculation.
6169 (init_dependency_caches, free_dependency_caches):
6170 Handle spec_dependency_cache.
6171 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6172 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6173 New static functions.
6174 (add_or_update_back_dep, add_or_update_back_forw_dep,
6175 add_back_forw_dep, delete_back_forw_dep): New functions.
6176 * sched-int.h (ds_t, dw_t): New typedefs.
6177 (struct sched_info): Add new field flags.
6178 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6179 Prototype new sched-deps.c functions.
6180 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6181 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6182 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6183 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6184 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6185 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6187 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6189 * sched-rgn.c (current_sched_info): Initialize flags field.
6190 (schedule_insns): Initialize current_sched_info before the sched_init
6192 * sched-ebb.c (current_sched_info): Initialize flags field.
6193 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6194 Call add_or_update_back_dep instead of add_dependence.
6195 Create control speculative dependencies.
6196 (schedule_insns): Initialize current_sched_info before the sched_init
6199 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6201 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6203 (sh_fallback_frame_state): Likewise.
6205 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6207 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6208 Do switch on default_use_cxa_atexit.
6209 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6210 * config/darwin-crt3.o: New.
6211 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6212 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6213 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6215 * config/rs6000/t-darwin: Move crt2.o building to here.
6216 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6217 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6220 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6222 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6223 from '! xxx' to '!xxx' for coding-style conformance.
6224 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6225 (EXTRA_CONSTRAINT): Likewise.
6226 * config/vax/vax.md (four unnamed insns): Likewise.
6228 2006-03-15 Paul Brook <paul@codesourcery.com>
6230 * config/arm/arm.c (minipool_pad): New.
6231 (add_minipool_forward_ref): Include pool alignment padding in address
6233 (push_minipool_fix): Set minipool_pad.
6234 (minipool_pad): Ditto.
6236 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6238 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6239 instead of GET_CODE() == MEM and REG_P() instead of
6241 (print_operand_address): Likewise.
6242 (vax_address_cost): Likewise.
6243 (vax_rtx_costs): Likewise.
6244 (vax_notice_update_cc): Likewise.
6245 (vax_output_int_add): Likewise.
6246 (INDEX_REGISTER_P): Likewise.
6247 (BASE_REGISTER_P): Likewise.
6248 (nonindexed_address_p): Likewise.
6249 (vax_mode_dependent_address_p): Likewise.
6250 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6251 (PRINT_OPERAND): Likewise.
6252 * config/vax/vax.md (ashlsi3): Likewise.
6253 (ashlsi3): Likewise.
6254 (some more unnamed insns): Likewise.
6256 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6258 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6259 iterator-style macro.
6260 (mark_control_dependent_edges_necessary): Update the use of
6261 EXECUTE_IF_CONTROL_DEPENDENT.
6263 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6265 * config/sh/predicates.md (cache_address_operand): Special.
6266 (ua_address_operand): Likewise.
6268 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6270 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6272 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6274 2006-03-15 Andreas Schwab <schwab@suse.de>
6276 * gensupport.c (identify_predicable_attribute): Don't free p_false
6277 when it is still in use.
6279 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6281 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6282 the default setting here.
6284 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6286 * tree-pass.h (pass_cfg): Remove.
6287 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6288 * passes.c (pass_cfg): Don't run it.
6290 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6292 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6293 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6295 (stack_regs_mentioned): Update the uses of
6296 stack_regs_mentioned_data. Don't access the array beyond its
6298 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6299 Don't include gt-reg-stack.h.
6301 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6302 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6304 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6307 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6310 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6312 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6314 2006-03-14 Richard Guenther <rguenther@suse.de>
6316 PR tree-optimization/26672
6317 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6320 2006-03-14 Richard Guenther <rguenther@suse.de>
6322 PR tree-optimization/26667
6323 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6324 node for the callees. Always allow inlining if it will shrink
6327 2006-03-14 Richard Guenther <rguenther@suse.de>
6330 * builtins.c (get_pointer_alignment): Prefer alignment
6331 information from decls over that from types.
6333 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6336 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6338 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6340 * config/rs6000/rs6000.opt (mdlmzb): New option.
6341 (msched-prolog, msched-epilog): Use Var not Mask.
6342 * doc/invoke.texi (-mdlmzb): Document.
6343 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6345 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6346 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6348 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6350 PR rtl-optimization/25739
6351 * bt-load.c (augment_live_range): Free tos pointer.
6353 * gensupport.c (identify_predicable_attribute): Free
6355 * gcov.c (create_file_names): Free name pointer.
6357 2006-03-13 Roger Sayle <roger@eyesopen.com>
6360 * stmt.c (emit_case_nodes): Handle the case where the index is a
6361 CONST_INT, where the comparison mode is specified by the index type.
6363 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6365 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6368 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6370 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6371 (*branch_fp_inverted): Likewise.
6373 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6376 * omp-low.c (expand_omp_for_generic): Mark istart0
6377 and iend0 as addressable.
6379 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6381 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6383 2006-03-13 Jeff Law <law@redhat.com>
6385 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6386 virtual operands are interesting.
6387 (vrp_visit_stmt): Corresponding changes.
6389 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6391 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6393 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6394 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6395 * config/bfin/crti.S: Use it instead of __PIC__.
6396 * config/bfin/crtn.S: Likewise.
6398 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6399 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6401 Lose 'G' modifier for call operand.
6402 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6403 recognize 'G' modifier.
6405 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6408 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6409 * stmt.c (expand_case): Likewise.
6411 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6413 PR rtl-optimization/26254
6414 * loop-invariant.c (seq_insns_valid_p): New function.
6415 (move_invariant_reg): Only emit new code if it is valid.
6417 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6419 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6421 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6422 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6423 (commit_one_edge_insertion): Do not look for loop notes.
6425 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6427 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6428 flag_test_coverage out of loop.
6430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6432 * final.c (shorten_branches): Remove outdated comment, and turn
6433 the if branch that guards it to continue.
6435 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6437 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6438 * cfgloop.h (struct loop): Remove unused fields.
6440 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6442 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6443 (-dL, -fdump-rtl-loop2): Update the dump file names
6445 * doc/invoke.texi: Update dump file names.
6447 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6449 * predict.c (estimate_probability): Remove.
6450 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6451 * basic-block.h (estimate_probability): Remove prototype.
6452 * passes.c (finish_optimization_passes): Dump branch prediction or
6453 profiling heuristics to the .profile tree dump.
6454 (init_optimization_passes): Unqueue pass_branch_prob.
6456 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6458 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6460 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6461 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6463 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6465 * function.h (frame_offset_overflow): Declare.
6466 * function.c (frame_offset_overflow): New function.
6467 (assign_stack_local_1): Call it to detect that the offset overflows.
6468 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6470 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6472 * config/sh/sh.c: Include alloc-pool.h.
6473 (label_ref_list_pool): New alloc pool.
6474 (label_ref_list_t): New type for lists of labels.
6475 (struct pool_node): Make wend a label_ref_list_t.
6476 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6478 (dump_table): Likewise.
6479 (sh_reorg): Set up the alloc pool before using add_constant and
6480 dump_table, and destroy it when finishing.
6482 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6484 * config/mips/mips.c: Remove redundant comment.
6486 2006-03-10 Jason Merrill <jason@redhat.com>
6489 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6490 the target was declared 'register'.
6492 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6494 * genpreds.c (write_insn_constraint_len): Change definition of
6495 insn_constraint_len to return size_t to match the declaration.
6497 2006-03-10 DJ Delorie <dj@redhat.com>
6499 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6501 (m32c_expand_insv): Fix test for an AND mask.
6503 2006-03-10 Richard Guenther <rguenther@suse.de>
6506 * builtins.c (get_pointer_alignment): Handle component
6507 references for field alignment.
6509 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6511 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6512 when building with libgloss.
6513 (sh*elf): Implement --without-fp option.
6514 (sh64-superh-linux*): Don't multilib.
6516 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6518 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6520 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6522 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6523 Set it when one of the replacement functions returned true.
6524 Return TODO_cleanup_cfg if cfgchanged is true.
6525 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6527 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6529 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6530 instead of gen_lowpart.
6532 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6534 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6536 (mips_output_order_conditional_branch): Declare.
6537 * config/mips/mips.h (MIPS_BRANCH): New macro.
6538 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6539 for the comparison. Use gen_condjump.
6540 (mips_output_conditional_branch): Rework interface to take the
6541 asm templates for a direct branch and the inverse of a direct branch.
6542 (mips_output_order_conditional_branch): New function.
6543 (mips_builtin_branch_and_move): New function.
6544 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6545 branch condition. Use gen_single_cc as the condition for
6546 __builtin_mips_upper_* or __builtin_mips_lower_*.
6547 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6548 Use VOIDmode for the branch condition.
6549 * config/mips/predicates.md (order_operator): New predicate.
6550 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6551 (branch_fp): Rename to...
6552 (*branch_fp): ...this. Remove mode from comparison operator.
6553 Use new mips_output_conditional_branch interface.
6554 (branch_fp_inverted): Rename to...
6555 (*branch_fp_inverted): ...this and update as for *branch_fp.
6556 (*branch_zero<mode>): Rename to...
6557 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6558 Use mips_output_order_conditional_branch. Only accept ordered
6560 (*branch_zero<mode>_inverted): Rename to...
6561 (*branch_order<mode>_inverted): ...this and update as for
6562 *branch_order<mode>.
6563 (*branch_equality<mode>): Accept zero as the second operand to
6564 the equality operator. Use the new mips_output_conditional_branch
6566 (*branch_equality<mode>_inverted): Likewise.
6567 (condjump): New expander.
6568 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6570 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6571 (bc1any2t, bc1any2f): Likewise.
6572 (single_cc): New expander.
6573 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6575 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6577 * doc/md.texi: Update documentation of MIPS constraints.
6578 * config/mips/constraints.md: New file.
6579 * config/mips/mips.md: Include it.
6580 * config/mips/mips.c (mips_char_to_class): Delete.
6581 (override_options): Don't initialize mips_char_to_class.
6582 * config/mips/mips.h (mips_char_to_class): Delete.
6583 (REG_CLASS_FROM_LETTER): Delete.
6584 (CONST_OK_FOR_LETTER_P): Delete.
6585 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6586 (EXTRA_CONSTRAINT_Y): Delete.
6587 (EXTRA_CONSTRAINT_STR): Delete.
6588 (CONSTRAINT_LEN): Delete.
6589 (EXTRA_MEMORY_CONSTRAINT): Delete.
6591 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6593 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6594 original fn's eh regions.
6596 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6598 * fold-const.c (build_range_check): Make sure to use a valid type to
6599 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6602 (range_predecessor): New static function.
6603 (range_successor): Likewise.
6604 (merge_ranges): Use them to compute predecessors and successors of
6607 2006-03-09 Roger Sayle <roger@eyesopen.com>
6610 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6611 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6613 2006-03-08 DJ Delorie <dj@redhat.com>
6615 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6616 (addpsi3): Expand to include memory operands. Remove
6617 reload-specific splits.
6618 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6619 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6620 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6621 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6622 (shift1_qi, shift1_hi, insv): New.
6623 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6624 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6625 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6627 * config/m32c/m32c-protos.h: Update as needed.
6628 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6629 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6630 Fail for unrecognized R* constraints.
6631 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6632 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6633 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6635 (m32c_init_libfuncs): New.
6636 (m32c_legitimate_address_p): Add debug wrapper.
6637 (m32c_rtx_costs): New.
6638 (m32c_address_cost): New.
6639 (conversions): Add 'B' prefix.
6640 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6641 operands, or word regnames for QI operands. 'B' prints bit
6643 (m32c_expand_setmemhi): New.
6644 (m32c_expand_movmemhi): New.
6645 (m32c_expand_movstr): New.
6646 (m32c_expand_cmpstr): New.
6647 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6648 (m32c_expand_neg_mulpsi3): Handle non-ints.
6649 (m32c_cmp_flg_0): New.
6650 (m32c_expand_movcc): New.
6651 (m32c_expand_insv): New.
6652 (m32c_scc_pattern): New.
6653 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6654 a0/a1 out of SIregs.
6655 (STORE_FLAG_VALUE): New.
6656 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6659 * config/m32c/mov.md: Make constraints more liberal.
6660 (zero_extendqihi2): Optimize r0/r1 case.
6661 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6662 * config/m32c/predicates.md (m32c_any_operand): New.
6663 (m32c_nonimmediate_operand): New.
6664 (m32c_hl_operand): New.
6665 (m32c_r3_operand): New.
6668 (memsym_operand): New.
6669 (memimmed_operand): New.
6670 (a_qi_operand): New.
6671 (m32c_eqne_operator): New.
6672 (m32c_1bit8_operand): New.
6673 (m32c_1bit16_operand): New.
6674 (m32c_1mask8_operand): New.
6675 (m32c_1mask16_operand): New.
6676 * config/m32c/blkmov.md: New file.
6677 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6679 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6681 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6682 unsigned to fix signed/unsigned comparison issue in
6683 DWARF2_FRAME_REG_OUT.
6684 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6685 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6687 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6688 of ptr into the ENABLE_CHECKING section.
6690 2006-03-08 Jeff Law <law@redhat.com>
6692 * tree-vrp.c (infer_value_range): Only count pointer uses
6693 and dereferences if -fdelete-null-pointer-checks is enabled.
6695 * tree-vrp.c (find_assert_locations): Infer value ranges for
6696 single use pointers, but do not create ASSERT_EXPRs for them.
6697 When a non-null range is inferred for a pointer, backwards
6698 propagate that range to other equivalent pointers through the
6701 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6704 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6705 language hook targets.
6706 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6707 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6708 if language hook targets were missing.
6710 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6712 * tree-ssa-opfinalize.h: Removed.
6713 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6715 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6716 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6717 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6718 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6719 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6720 finalize_ssa_v_must_def_ops): New.
6722 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6724 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6727 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6729 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6731 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6732 addresses with offsets; reorganize.
6734 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6735 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6736 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6738 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6741 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6743 2006-03-08 Ben Elliston <bje@au.ibm.com>
6745 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6747 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6750 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6753 2006-03-07 Richard Guenther <rguenther@suse.de>
6755 PR tree-optimization/26587
6756 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6758 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6760 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6762 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6764 * hooks.c (hook_bool_mode_rtx_true): New function.
6765 * hooks.h (hook_bool_mode_rtx_true): Declare.
6766 * toplev.c (compile_file): Call output_shared_constant_pool.
6767 * varasm.c (shared_constant_pool): New variable.
6768 (assemble_start_function, assemble_end_function): Remove arguments
6769 from call to output_constant_pool.
6770 (create_constant_pool): New function, split out from...
6771 (init_varasm_status): ...here.
6772 (force_const_mem): Choose between the shared and per-function constant
6773 pools. Set current_function_uses_const_pool when reusing old entries
6774 as well as when creating new ones.
6775 (mark_constant): Ignore data argument.
6776 (mark_constants): Remove pool argument.
6777 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6778 to decide whether the function uses a constant pool.
6779 (output_constant_pool_contents): New function, split out from...
6780 (output_constant_pool): ...here.
6781 (output_shared_constant_pool): New function.
6782 (init_varasm_once): Initialize shared_constant_pool.
6783 * output.h (output_constant_pool): Delete.
6784 (output_shared_constant_pool): Declare.
6785 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6786 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6788 2006-03-06 Nick Clifton <nickc@redhat.com>
6790 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6791 flag_strength_reduce.
6793 2006-03-06 Ben Elliston <bje@au.ibm.com>
6795 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6796 x86_64-*-linux* configurations.
6798 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6799 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6801 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6803 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6805 * basic-block.h: Remove the extern for
6806 rediscover_loops_after_threading.
6808 * cfgloop.c (cancel_loop): Make it static.
6809 * cfgloop.h: Remove the prototype for cancel_loop.
6811 * flow.c (recompute_reg_usage): Make it static.
6812 * rtl.h: Remove the prototype for recompute_reg_usage.
6814 * function.c (use_return_register): Make it static.
6815 * function.h: Remove the prototype.
6817 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6819 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6821 * recog.h: Remove the prototype for
6822 validate_change_maybe_volatile.
6824 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6826 * rtlanal.c (replace_reg): Remove.
6827 * rtl.h: Remove the prototype for replace_reg.
6829 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6831 * regclass.c (reg_scan_update): Remove.
6832 (reg_scan_mark_refs): Remove the last argument.
6833 * rtl.h: Remove the prototype for reg_scan_update.
6835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6837 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6838 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6839 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6840 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6841 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6842 loop-invariant.c, omp-low.c, opts.c, passes.c,
6843 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6844 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6845 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6846 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6847 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6848 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6850 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6852 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6853 * dwarf2out.h: Remove the prototype for
6854 dwarf2out_add_library_unit_info.
6856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6858 * tree.c (add_var_to_bind_expr): Remove.
6859 * tree.h: Remove the prototype for add_var_to_bind_expr.
6861 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6863 * regclass.c (n_non_fixed_regs): Remove.
6864 (init_reg_sets_1, globalize_reg): Remove all uses of
6866 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6868 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6870 * rtlanal.c (insns_safe_to_move_p): Remove.
6871 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6873 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6875 * expmed.c (expand_mult_add): Remove.
6876 * expr.h: Remove the prototype for expand_mult_add.
6878 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6880 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6881 and REG_SAVED_VAL_EXP constants.
6882 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6883 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6884 Handle regs stored by value.
6885 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6886 (execute_cfa_program): Handle DW_CFA_val_offset,
6887 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6888 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6889 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6890 (uw_install_context_1): Handle target regs stored by value.
6892 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6894 * tree-sra.c (tree_sra): Return todoflags;
6895 (generate_one_element): Set TODO_update_smt_usage if needed.
6896 (pass_sra): Remove TODO_update_smt_usage.
6897 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6899 (tree_ssa_forward_propagate_single_use_vars): Return
6900 TODO_update_smt_usage if we need to update SMT usage.
6901 (pass_forwprop): Remove TODO_update_smt_usage.
6903 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6905 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6906 (correct_use_link): Remove reference to get_stmt_operands.
6907 (update_stmt_operands): Likewise.
6908 (get_modify_expr_operands): New function factored out of
6909 parse_ssa_operands and get_expr_operands.
6910 Try to create V_MUST_DEFs for LHS by default.
6911 (get_expr_operands) <case MODIFY_EXPR>: Call
6912 get_modify_expr_operands.
6913 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6914 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6915 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6916 get_modify_expr_operands.
6918 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6920 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6921 * tree-flow.h: Remove the prototype for
6922 referenced_var_lookup_if_exists.
6924 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6926 PR rtl-optimization/26345
6928 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6930 2006-03-03 Roger Sayle <roger@eyesopen.com>
6932 PR tree-optimization/26524
6933 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6934 fold_convert to create a constant of the appropriate type.
6936 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6938 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6939 SYMBOL_REF_IN_BLOCK_P.
6940 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6941 of SYMBOL_FLAG_IN_BLOCK.
6942 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6943 instead of SYMBOL_REF_IN_BLOCK_P.
6944 * explow.c (use_anchored_address): Likewise.
6945 * rtl.c (rtx_size): Likewise.
6946 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6947 instead of SYMBOL_FLAG_IN_BLOCK.
6948 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6949 SYMBOL_REF_IN_BLOCK_P.
6950 (assemble_variable): Likewise.
6951 (output_constant_def_contents): Likewise.
6952 (output_constant_pool): Likewise.
6953 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6954 instead of SYMBOL_FLAG_IN_BLOCK.
6955 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6956 SYMBOL_REF_IN_BLOCK_P.
6957 (SYMBOL_REF_BLOCK): Likewise.
6958 (SYMBOL_REF_OFFSET): Likewise.
6959 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6960 SYMBOL_REF_IN_BLOCK_P.
6961 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6962 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6963 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6964 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6966 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6968 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6970 2006-03-02 Roger Sayle <roger@eyesopen.com>
6972 * simplify-rtx.c (simplify_unary_operation): When simplifying
6973 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6974 that we perform the right shift in the appropriate mode, and
6975 then extend or truncate the result to requested mode.
6977 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6979 * gengtype.c (main): Handle double_int type.
6980 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6981 * double-int.c: New file.
6982 * double-int.h: New file.
6983 * system.h: Include doubleint.h.
6984 * Makefile.in (SYSTEM_H): Include double-int.h.
6985 (double-int.o): Add.
6987 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6990 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6993 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6995 * tree-vrp.c (remove_range_assertions): Do not update statements
6998 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7000 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7002 * gcse.c (rest_of_handle_gcse): Ditto.
7003 * except.c (gate_handle_eh): Ditto.
7004 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7005 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7007 2006-03-02 Eric Christopher <echristo@apple.com>
7009 * config/i386/i386.c (machopic_output_stub): Add indirection to
7012 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7016 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7018 Sun Niagara specific optimizations.
7019 * config.gcc: Recognize niagara as target.
7020 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7021 (TARGET_CPU_niagara): Define.
7022 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7023 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7024 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7025 (ASM_CPU_SPEC): Likewise.
7026 (PROCESSOR_NIAGARA): New enum entry.
7027 (REGISTER_MOVE_COST): Handle Niagara.
7028 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7029 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7030 (sparc_override_options): Recognize "niagara", set appropriate
7031 default MASK_* values for it, and align functions to 32-bytes
7032 by default just like ULTRASPARC/ULTRASPARC3.
7033 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7034 (sparc64_initialize_trampoline): Likewise.
7035 (sparc_use_sched_lookahead): Use zero for niagara.
7036 (sparc_issue_rate): Use one for niagara.
7037 * config/sparc/niagara.md: New file.
7038 * config/sparc/sparc.md: Include it.
7039 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7040 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7041 when default cpu is niagara.
7042 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7043 (ASM_CPU_SPEC): Likewise.
7044 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7045 when default cpu is niagara.
7046 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7047 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7048 just like v9/ultrasparc/ultrasparc3.
7049 * doc/invoke.texi: Add documentation for "niagara" and improve
7050 existing documentation for ultrasparc variants.
7052 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7054 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7056 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7058 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7059 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7060 and say that only one is needed.
7061 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7062 * target.h (have_switchable_bss_sections): New hook.
7063 * explow.c (use_anchored_address): Check that the symbol is in a block.
7064 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7065 (bss_noswitch_section): New variables.
7066 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7067 (get_noswitch_section): New function.
7068 (get_block_for_section): Allow SECT to be null.
7069 (unlikely_text_section_p): Use SECTION_STYLE.
7070 (bss_initializer_p): New function.
7071 (get_variable_section): Move earlier in file. Take a new argument,
7072 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7073 Return one of the new *_sections in such cases.
7074 (get_block_for_decl): New function, extracting some logic from
7075 use_blocks_for_decl_p.
7076 (change_symbol_section): Remove in favor of...
7077 (change_symbol_block): ...this new function.
7078 (use_blocks_for_decl_p): Remove checks now performed by
7080 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7081 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7082 (emit_local, emit_bss, emit_common): ...these new functions.
7083 Return true if the alignment was honored.
7084 (emit_tls_common): New function.
7085 (asm_emit_uninitialised): Delete.
7086 (assemble_variable_noswitch): New function, split out from...
7087 (assemble_variable): ...here. Don't make decisions about common
7088 variables here. Globalize all public decls that go into non-common
7089 sections. Check whether SYMBOL_REF_BLOCK is null.
7090 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7091 (output_constant_pool): Likewise.
7092 (init_varasm_once): Initialize the new section variables.
7093 (have_global_bss_p): New function.
7094 (categorize_decl_for_section): Use bss_initializer_p.
7095 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7096 (place_block_symbol): Assert that the symbol must be in a block.
7097 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7098 (TARGET_INITIALIZER): Include it.
7099 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7100 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7101 (SECTION_MACH_DEP): Bump by two.
7102 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7103 (unnamed_section): Mention SECTION_UNNAMED in comment.
7104 (named_section): Likewise SECTION_NAMED.
7105 (noswitch_section_callback): New type.
7106 (noswitch_section): New structure.
7107 (section): Add a noswitch_section alternative.
7108 (SECTION_STYLE): New macro.
7109 (tls_comm_section, comm_section, lcomm_section): Declare.
7110 (bss_noswitch_section, have_global_bss_p): Declare.
7111 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7112 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7114 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7115 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7118 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7120 * tree-vrp.c (execute_vrp): Return value.
7121 * regrename.c (rest_of_handle_regrename): Ditto.
7122 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7123 * tree-complex.c (tree_lower_complex): Ditto.
7124 (tree_lower_complex_O0): Ditto.
7125 * tracer.c (rest_of_handle_tracer): Ditto.
7126 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7127 * postreload.c (rest_of_handle_postreload): Ditto.
7128 * tree-tailcall.c (execute_tail_recursion): Ditto.
7129 (execute_tail_calls): Ditto.
7130 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7131 * tree.h (init_function_for_compilation): Ditto.
7132 * ipa-cp.c (ipcp_driver): Ditto.
7133 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7134 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7135 * final.c (compute_alignments): Ditto.
7136 (rest_of_handle_final): Ditto.
7137 (rest_of_handle_shorten_branches): Ditto.
7138 (rest_of_clean_state): Ditto.
7139 * omp-low.c (execute_expand_omp): Ditto.
7140 (execute_lower_omp): Ditto.
7141 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7142 * ipa-reference.c (static_execute): Ditto.
7143 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7144 * reorg.c (rest_of_handle_delay_slots): Ditto.
7145 (rest_of_handle_machine_reorg): Ditto.
7146 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7147 * flow.c (recompute_reg_usage): Ditto.
7148 (rest_of_handle_remove_death_notes): Ditto.
7149 (rest_of_handle_life): Ditto.
7150 (rest_of_handle_flow2): Ditto.
7151 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7152 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7153 (do_ssa_store_ccp): Ditto.
7154 (execute_fold_all_builtins): Ditto.
7155 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7156 * modulo-sched.c (rest_of_handle_sms): Ditto.
7157 * ipa-pure-const.c (static_execute): Ditto.
7158 * cse.c (rest_of_handle_cse): Ditto.
7159 (rest_of_handle_cse2): Ditto.
7160 * web.c (rest_of_handle_web): Ditto.
7161 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7162 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7163 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7164 * tree-nrv.c (tree_nrv): Ditto.
7165 (execute_return_slot_opt): Ditto.
7166 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7167 (create_structure_vars): Ditto.
7168 * loop-init.c (rtl_loop_init): Ditto.
7169 (rtl_loop_done): Ditto.
7170 (rtl_move_loop_invariants): Ditto.
7171 (rtl_unswitch): Ditto.
7172 (rtl_unroll_and_peel_loops): Ditto.
7173 (rtl_doloop): Ditto.
7174 * gimple-low.c (lower_function_body): Ditto.
7175 (mark_used_blocks): Ditto.
7176 * tree-ssa-sink.c (execute_sink_code): Ditto.
7177 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7178 (cgraph_early_inlining): Ditto.
7179 * global.c (rest_of_handle_global_alloc): Ditto.
7180 * jump.c (cleanup_barriers): Ditto.
7181 (purge_line_number_notes): Ditto.
7182 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7183 (rest_of_handle_if_after_reload): Ditto.
7184 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7185 (tree_ssa_loop_im): Ditto.
7186 (tree_ssa_loop_unswitch): Ditto.
7187 (tree_vectorize): Ditto.
7188 (tree_linear_transform): Ditto.
7189 (tree_ssa_loop_ivcanon): Ditto.
7190 (tree_ssa_empty_loop): Ditto.
7191 (tree_ssa_loop_bounds): Ditto.
7192 (tree_complete_unroll): Ditto.
7193 (tree_ssa_loop_prefetch): Ditto.
7194 (tree_ssa_loop_ivopts): Ditto.
7195 (tree_ssa_loop_done): Ditto.
7196 * predict.c (tree_estimate_probability): Ditto.
7197 * recog.c (split_all_insns_noflow): Ditto.
7198 (rest_of_handle_peephole2): Ditto.
7199 (rest_of_handle_split_all_insns): Ditto.
7200 * tree-eh.c (lower_eh_constructs): Ditto.
7201 * regmove.c (rest_of_handle_regmove): Ditto.
7202 (rest_of_handle_stack_adjustments): Ditto.
7203 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7204 * function.c (instantiate_virtual_regs): Ditto.
7205 (init_function_for_compilation): Ditto.
7206 (rest_of_handle_check_leaf_regs): Ditto.
7207 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7208 (rest_of_handle_gcse): Ditto.
7209 * ipa-type-escape.c (type_escape_execute): Ditto.
7210 * alias.c (rest_of_handle_cfg): Ditto.
7211 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7212 * profile.c (rest_of_handle_branch_prob): Ditto.
7213 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7214 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7215 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7216 * tree-dfa.c (find_referenced_vars): Ditto.
7217 * except.c (set_nothrow_function_flags): Ditto.
7218 (convert_to_eh_region_ranges): Ditto.
7219 (rest_of_handle_eh): Ditto.
7220 * emit-rtl.c (unshare_all_rtl): Ditto.
7221 (remove_unnecessary_notes): Ditto.
7222 * except.h (set_nothrow_function_flags): Ditto.
7223 (convert_to_eh_region_ranges): Ditto.
7224 * cfgexpand.c (tree_expand_cfg): Ditto.
7225 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7226 * tree-ssa-pre.c (do_pre): Ditto.
7227 (execute_fre): Ditto.
7228 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7229 (rest_of_handle_jump2): Ditto.
7230 * tree-sra.c (tree_sra): Ditto.
7231 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7232 (execute_mudflap_function_decls): Ditto.
7233 * tree-ssa-copy.c (do_copy_prop): Ditto.
7234 (do_store_copy_prop): Ditto.
7235 * ipa-prop.h (ipcp_driver): Ditto.
7236 * cfglayout.c (insn_locators_initialize): Ditto.
7237 * tree-ssa-forwprop.c
7238 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7239 * cfglayout.h (insn_locators_initialize): Ditto.
7240 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7241 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7242 (execute_late_warn_uninitialized): Ditto.
7243 * rtl.h (cleanup_barriers): Ditto.
7244 (split_all_insns_noflow): Ditto.
7245 (purge_line_number_notes): Ditto.
7246 (unshare_all_rtl): Ditto.
7247 (remove_unnecessary_notes): Ditto.
7248 (recompute_reg_usage): Ditto.
7249 (variable_tracking_main): Ditto.
7250 * integrate.c (emit_initial_value_sets): Ditto.
7251 * integrate.h (emit_initial_value_sets): Ditto.
7252 * tree-optimize.c (execute_free_datastructures): Ditto
7253 (execute_free_cfg_annotations): Ditto.
7254 (execute_fixup_cfg): Ditto.
7255 (execute_cleanup_cfg_pre_ipa): Ditto.
7256 (execute_cleanup_cfg_post_optimizing): Ditto.
7257 (execute_init_datastructures): Ditto.
7258 * tree-object-size.c (compute_object_sizes): Ditto.
7259 * combine.c (rest_of_handle_combine): Ditto.
7260 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7261 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7262 (rest_of_handle_reorder_blocks): Ditto.
7263 (rest_of_handle_partition_blocks): Ditto.
7264 * var-tracking.c (variable_tracking_main): Ditto.
7265 * tree-profile.c (tree_profiling): Ditto.
7266 * tree-vect-generic.c (expand_vector_operations): Ditto.
7267 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7268 * sched-rgn.c (rest_of_handle_sched): Ditto.
7269 (rest_of_handle_sched2): Ditto.
7270 * basic-block.h (free_bb_insn): Ditto.
7271 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7272 * tree-cfg.c (execute_build_cfg): Ditto.
7273 (remove_useless_stmts): Ditto.
7274 (split_critical_edges): Ditto.
7275 (execute_warn_function_return): Ditto.
7276 (execute_warn_function_noreturn): Ditto.
7277 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7278 * cfgrtl.c (free_bb_for_insn): Ditto.
7279 * passes.c (execute_one_pass): Run additional
7280 todos returned by execute function.
7281 * tree-pass.h (struct tree_opt_pass): Make execute
7284 2006-03-02 Richard Guenther <rguenther@suse.de>
7286 * tree-ssa-alias.c (find_used_portions): Consider taking
7287 the address as making the variable not write-only.
7289 2006-03-02 Nick Clifton <nickc@redhat.com>
7291 * config.gcc (default_use_cxa_atexit): Extend the description of
7292 this configure variable. Set its default value to "yes" for
7293 Linux, NetBSD and ELF targets on the assumption that they will
7294 use C libraries with the __cxa_atexit function.
7296 2006-03-02 Ben Elliston <bje@au.ibm.com>
7298 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7299 parameter as unused to suppress a build warning.
7301 2006-03-02 Ben Elliston <bje@au.ibm.com>
7303 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7306 2006-03-01 Roger Sayle <roger@eyesopen.com>
7309 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7310 declared name, the weak reference name, and the typeof name.
7311 (__gthrw): Avoid expanding the declared name suffix.
7312 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7314 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7316 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7318 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7319 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7320 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7321 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7322 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7323 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7324 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7325 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7326 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7327 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7328 (DW_END_default, DW_END_big, DW_END_little): New.
7329 (DW_END_lo_user, DW_END_hi_user): Define.
7330 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7331 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7332 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7335 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7337 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7339 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7341 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7343 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7345 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7346 to 'symbol_mem_tag'.
7348 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7351 2006-03-01 Roger Sayle <roger@eyesopen.com>
7353 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7355 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7358 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7359 MACHO_DYNAMIC_NO_PIC_P.
7360 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7362 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7365 * config/darwin-protos.h (darwin_asm_output_anchor):
7367 * config/darwin-sections.def (cstring_section):
7368 Add SECTION_MERGE to the flags.
7369 (literal4_section): Likewise.
7370 (literal8_section): Likewise.
7371 (objc_selector_refs_section): Likewise.
7372 (objc_cls_refs_section): Likewise.
7373 * config/darwin.c (darwin_asm_output_anchor): New
7375 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7377 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7379 Fix PR tree-optimization/26443
7380 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7381 to todo and PROP_tmt_usage to properties_destroyed.
7382 * tree-ssa-ccp.c (pass_ccp): Ditto.
7383 (pass_store_ccp): Ditto.
7384 * tree-ssa-dom.c (pass_dominator): Ditto.
7386 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7388 * tree-ssa-operands.c: Cleanup whitespace.
7389 (get_asm_expr_operands): Move before first invocation.
7390 (get_indirect_ref_operands): Likewise.
7391 (get_tmr_operands): Likewise.
7392 (get_call_expr_operands): Likewise.
7393 (append_def): Likewise.
7394 (append_use): Likewise.
7395 (append_v_may_def): Likewise.
7396 (append_v_must_def): Likewise.
7397 (add_call_clobber_ops): Likewise.
7398 (add_call_read_ops): Likewise.
7399 (add_stmt_operand): Likewise.
7400 (add_virtual_operand): Likewise.
7401 (build_ssa_operands): Likewise.
7403 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7408 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7409 with a call expr to ...
7410 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7412 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7414 * tree-vrp.c (extract_range_from_assert): Remove special
7415 handling for types with super-types.
7417 2006-03-01 Ben Elliston <bje@au.ibm.com>
7419 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7420 and powerpc64-*-linux* configurations.
7421 * config/t-dfprules: New file.
7423 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7424 Compile dfp-bit.c from the source directory using -DWIDTH and
7425 $DFP_CFLAGS to control the compilation of that file, rather than
7426 generating width-specific versions in the build directory.
7427 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7428 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7430 2006-02-28 Zack Weinberg <zackw@panix.com>
7432 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7435 2006-02-28 Eric Christopher <echristo@apple.com>
7437 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7438 Set up IN_LIBGCC definition of TARGET_64BIT.
7439 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7441 2006-02-28 Roger Sayle <roger@eyesopen.com>
7444 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7445 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7446 cases via the construction of "expr != 0".
7448 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7450 * alias.c (alias_invariant, alias_invariant_size): Remove.
7451 (record_base_value): Remove.
7452 (memrefs_conflict_p): Don't look at alias_invariant.
7453 (end_alias_analysis): Don't free it.
7454 * alias.h (record_base_value): Remove prototype.
7456 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7457 Adam Nemet <anemet@caviumnetworks.com>
7459 * rtl.h (truncated_to_mode): Declare it.
7460 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7461 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7462 (RTL_HOOKS_INITIALIZER): Include it.
7463 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7464 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7465 reg_truncated_to_mode.
7466 * rtlanal.c (truncated_to_mode): Define it.
7467 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7469 2006-02-28 Jeff Law <law@redhat.com>
7471 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7472 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7473 the range allowed by TYPE_PRECISION.
7475 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7477 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7479 PR tree-optimization/26419
7480 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7483 2006-02-27 Zack Weinberg <zackw@panix.com>
7485 * doc/md.texi: Fix typo in previous change.
7487 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7491 2006-02-27 Zack Weinberg <zackw@panix.com>
7493 * rtl.def (define_constraint, define_register_constraint)
7494 (define_memory_constraint, define_address_constraint): New MD forms.
7495 * gensupport.c (process_rtx): Put define_constraint etc on the
7497 * genpreds.c (process_define_predicate): Adjust comment. Validate
7498 the name, and call validate_exp to validate the expression.
7499 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7500 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7501 all callers changed.
7502 (validate_exp, needs_variable, struct constraint_data)
7503 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7504 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7505 (const_dbl_constraints, constraint_max_namelen)
7506 (have_register_constraints, have_memory_constraints)
7507 (have_address_constraints, have_address_constraints)
7508 (have_extra_constraints, have_const_int_constraints)
7509 (have_const_dbl_constraints, mangle, add_constraint)
7510 (process_define_constraint, process_define_register_constraint)
7511 (write_enum_constraint_num, write_lookup_constraint)
7512 (write_insn_constraint_len, write_regclass_for_constraint)
7513 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7514 (write_insn_extra_memory_constraint)
7515 (write_insn_extra_address_constraint)
7516 (write_satisfies_constraint_fns): New.
7517 (write_tm_preds_h): If we have new-style constraint definitions,
7518 prototype the functions generated from them, and define the
7519 old constraint interface (still used by generic code) in terms of
7521 (write_insn_preds_c): If we have new-style constraint definitions,
7522 generate all relevant functions from those definitions.
7523 (main): Handle define_constraint etc.
7524 * genoutput.c (struct constraint_data, indep_constraints)
7525 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7526 (mdep_constraint_len): New data structures and functions, defined
7527 #ifdef USE_MD_CONSTRAINTS.
7528 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7529 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7530 use new logic to validate operand constraints against constraint
7532 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7534 * defaults.h: If none of the old-style constraint macros are
7535 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7536 old-style macros; and poison REG_CLASS_FROM_LETTER,
7537 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7539 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7540 * doc/md.texi: Document new constraint-definition mechanism and the
7541 C interface it provides. Remove references to old mechanism
7542 elsewhere in the document.
7543 (Machine Constraints): Use pathnames relative to gcc directory,
7544 i.e. config/ARCH/FILE. Change i386 section to refer to
7545 config/i386/predicates.md; update that section to match docstrings.
7546 * doc/tm.texi: Move all documentation of the old constraint-
7547 definition macros to their own section, clearly mark as obsolete.
7549 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7550 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7552 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7553 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7554 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7556 (splits and peepholes): Use satisfies_constraint_*.
7557 * config/i386/i386.c (memory_address_length)
7558 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7560 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7562 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7563 scalar operation to be put back into the loop.
7565 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7568 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7569 (extract_cie_info): Handle S flag in augmentation string.
7570 (execute_cfa_program): If context->signal_frame, execute also
7571 fs->pc == context->ra instructions.
7572 (uw_frame_state_for): If context->signal_frame, don't subtract one
7573 from context->ra to find FDE.
7574 (uw_update_context_1): Set context->signal_frame to
7576 (_Unwind_GetIPInfo): New function.
7577 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7578 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7580 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7581 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7582 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7583 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7584 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7585 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7586 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7587 x86_64_fallback_frame_state): Set fs->signal_frame.
7588 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7589 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7590 (frob_update_context): Likewise. Workaround missing S flag in
7591 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7592 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7593 Remove the psw_addr + 1 hack.
7595 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7597 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7598 with aggregates here.
7599 (find_func_aliases): Remove code for &<aggregate> from here.
7601 2006-02-26 Roger Sayle <roger@eyesopen.com>
7603 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7604 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7605 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7608 2006-02-26 Roger Sayle <roger@eyesopen.com>
7611 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7613 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7615 * opts.c (decode_options): Do not handle flag_strength_reduce.
7616 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7617 and OPT_fstrength_reduce.
7618 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7619 flag_prefetch_loop_arrays for being nonzero.
7620 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7622 (fprefetch-loop-arrays-rtl): Removed.
7623 (flag_prefetch_loop_arrays): Do not specify the value.
7625 * doc/passes.texi: Update documentation of loop optimizer
7627 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7628 -frerun-loop-opt): Remove.
7630 2006-02-26 Richard Guenther <rguenther@suse.de>
7632 PR tree-optimization/26421
7633 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7634 in function calls that are ADDR_EXPRs as using the whole structure.
7636 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7638 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7639 * tree-pass.h (pass_loop_optimize): Remove.
7640 * passes.c (pass_loop_optimize): Never run it.
7641 * toplev.c (backend_init): Don't call init_loop.
7642 * opts.c (flag_loop_optimize_set): Remove.
7643 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7644 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7645 the old RTL loop optimizer when profiling enabled.
7646 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7647 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7648 pre-headers for the sake of the old RTL loop optimizer.
7649 * Makefile.in: Remove all references to loop.o.
7651 * doc/invoke.texi: Remove all references to -floop-optimize
7652 and -frerun-loop-opt.
7654 2006-02-26 Zack Weinberg <zackw@panix.com>
7656 * doc/md.texi (Machine Constraints): Refer to all files with paths
7657 relative to gcc directory (i.e. config/CPU/file). Add missing
7658 @table @code ... @end table to M32C subsection.
7660 2006-02-26 Roger Sayle <roger@eyesopen.com>
7662 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7664 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7666 2006-02-26 Roger Sayle <roger@eyesopen.com>
7667 James A. Morrison <phython@gcc.gnu.org>
7670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7671 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7672 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7673 signedness of the shift operation.
7675 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7677 PR tree-optimization/26359
7678 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7680 2006-02-25 Roger Sayle <roger@eyesopen.com>
7682 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7683 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7684 as X == 0, and some symmetry related transformations.
7685 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7687 2006-02-25 Roger Sayle <roger@eyesopen.com>
7690 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7691 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7692 symmetry related transformations. Fold (X^C1) == C2 as
7695 2006-02-25 Juergen Weigert <jw@suse.de>
7696 Richard Guenther <rguenther@suse.de>
7698 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7700 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7702 * combine.c (gen_lowpart_or_truncate): Call
7703 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7705 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7707 * doc/invoke.texi: Move -fopenmp description to "Options for
7709 Remove reference to -lgomp.
7711 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7713 * doc/install.texi: Require GNU tar version 1.14.
7715 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7717 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7718 * doc/invoke.texi (C++ Dialect Options): Document
7719 -fno-use-cxa-get-exception-ptr.
7720 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7721 * configure: Regenerate.
7722 * c.opt (fuse-cxa-get-exception-ptr): New.
7723 * c-opts.c (c_common_handle_option): Handle
7724 OPT_fuse_cxa_get_exception_ptr.
7725 * c-common.c (flag_use_cxa_atexit): Update documentation.
7726 (flag_use_cxa_get_exception_ptr): New.
7727 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7728 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7730 (C_COMMON_OVERRIDE_OPTIONS): New.
7732 2006-02-24 Roger Sayle <roger@eyesopen.com>
7735 * combine.c (try_combine): Explicitly check whether GET_CODE is
7736 a SET or a CLOBBER, instead on checking that it isn't a USE.
7738 2006-02-24 Roger Sayle <roger@eyesopen.com>
7740 * fold-const.c (fold_comparison): New subroutine of fold_binary
7741 containing transformations common to both the equality and
7742 ordering relational operators, factored out of fold_binary.
7743 (fold_binary): Separate out the equality operators (EQ_EXPR
7744 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7745 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7746 transformations common to both.
7747 (fold_div_compare): Fix latent bugs in the previously unreachable
7748 LT_EXPR and GE_EXPR cases.
7750 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7752 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7753 decl libname for clog to __clog on AIX.
7755 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7757 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7760 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7761 output traceback table for thunks. Localise rs6000_stack_info call.
7763 2006-02-23 Roger Sayle <roger@eyesopen.com>
7764 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7766 * gthr-posix.h (__gthrw): Fix typo in comment.
7768 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7770 * doc/cpp.texi (Character sets): Document that we do support
7771 input files to be in any character set.
7773 2006-02-23 Jeff Law <law@redhat.com>
7775 * tree.h (PHI_ARG_NONZERO): Remove.
7776 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7777 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7778 node to the new node.
7780 PR tree-optimization/26425
7781 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7782 min/max, then assume its varying.
7784 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7786 PR rtl-optimization/26316
7787 * rtlanal.c (enum may_trap_p_flags): New.
7788 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7789 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7790 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7791 (may_trap_after_code_motion_p): New function.
7792 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7793 (find_invariant_insn): Use may_trap_after_code_motion_p.
7794 * rtl.h (may_trap_after_code_motion_p): Declare.
7796 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7798 * emit-rtl.c (immed_double_const): Cleanup.
7800 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7802 Fix PR tree-optimization/26376
7803 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7806 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7809 * gimplify.c (omp_add_variable): Guard variable size decl test with
7810 DECL_SIZE (decl) check.
7812 2006-02-23 Richard Guenther <rguenther@suse.de>
7815 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7816 like aggregate types.
7818 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7820 * configure.ac: Add --with{,out}-long-double-128 configure option.
7821 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7822 * configure: Rebuilt.
7823 * config.in: Rebuilt.
7824 * doc/install.texi (Options specification): Document
7825 --with-long-double-128.
7827 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7828 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7829 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7830 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7832 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7834 * config/s390/s390.c (override_options): Handle
7835 TARGET_DEFAULT_LONG_DOUBLE_128.
7837 * config/alpha/alpha.c (override_options): Handle
7838 TARGET_DEFAULT_LONG_DOUBLE_128.
7840 * config/sparc/sparc.c (sparc_override_options): Handle
7841 TARGET_DEFAULT_LONG_DOUBLE_128.
7843 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7845 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7846 (real-install-headers-tar, real-install-headers-cpio)
7847 (real-install-headers-cp): New targets.
7849 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7851 * tree.h (variable_section): Delete.
7852 * varasm.c (variable_section): Delete.
7854 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7856 * install.texi: Add notes on install.texi2html.
7857 (Building in parallel): Do not use footnotes.
7859 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7862 * doc/install.texi (Configuration): Document --disable-libgomp.
7864 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7866 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7868 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7870 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7871 (vec_extractv2df_0_sse): New.
7873 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7875 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7876 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7877 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7878 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7879 to the result of the expression.
7880 (def_cfa_1): Adjust.
7881 (frame_pointer_cfa_offset): Rename to...
7882 (frame_pointer_fb_offset): ... this. Adjust all uses.
7883 (convert_cfa_to_loc_list): Rename to...
7884 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7885 Pass it on to build_cfa_loc.
7886 (compute_frame_pointer_to_cfa_displacement): Rename to...
7887 (compute_frame_pointer_to_fb_displacement): ... this. New
7888 offset parameter. Use it in computation.
7889 (gen_subprogram_die): Compute cfa_fb_offset with the new
7890 macro, and use it to compute the fb loc list and the
7893 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7895 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7896 replaced with register_operand.
7897 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7898 non-DREG is expensive.
7899 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7900 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7903 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7905 * doc/install.texi2html: Use set -e.
7907 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7909 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7910 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7911 * doc/invoke.texi (-fshared-data): Delete.
7912 * common.opt (fshared-data): Delete.
7913 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7914 (assemble_static_space): Remove #if 0 code.
7915 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7916 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7917 * config/cris/cris.h: Remove FIXME.
7919 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7921 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7924 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7927 * combine.c (simplify_shift_const_1): Disable nested shifts
7928 optimization for vector shifts.
7930 2006-02-20 Roger Sayle <roger@eyesopen.com>
7932 PR tree-optimization/26361
7933 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7934 of unsigned integer types.
7936 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7938 * tree-chrec.c (eq_evolutions_p): New.
7939 * tree-chrec.h (eq_evolutions_p): Declared.
7940 * tree-data-ref.c: Fix formatting.
7941 (datadep_stats, dependence_stats): New.
7943 (print_direction_vector): New.
7944 (dump_data_dependence_relation): Use print_direction_vector.
7945 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7946 (compute_subscript_distance): Static.
7947 (initialize_data_dependence_relation): Static. Get the number
7948 of loops surrounding the references from the callers, and initialize
7949 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7950 base_object_differ_p analyzers.
7951 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7952 compute_overlap_steps_for_affine_1_2,
7953 analyze_subscript_affine_affine): Count the classified dependences.
7954 Print a message when a test failed.
7955 (can_use_analyze_subscript_affine_affine): New.
7956 (analyze_siv_subscript): Compute the data dependences on symbolic
7957 scevs that verify can_use_analyze_subscript_affine_affine.
7958 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7959 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7960 Handle symbolic scevs.
7961 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7963 (subscript_dependence_tester): Moved...
7964 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7965 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7966 DDR_SIZE_VECT instead of getting it in parameter.
7967 (subscript_dependence_tester): ... here. Take as a parameter
7968 loop_nest_depth. Call build_classic_dist_vector and
7969 build_classic_dir_vector.
7970 (compute_affine_dependence): Update subscript_dependence_tester
7971 parameters. Update datadep_stats counters. Call
7972 compute_subscript_distance.
7973 (compute_self_dependence): Save the dist and dir vectors. Call
7974 compute_subscript_distance.
7975 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7976 (compute_all_dependences): Reorder parameters as they were before
7977 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7978 compute_subscript_distance. Update the use of
7979 compute_affine_dependence and initialize_data_dependence_relation.
7980 (find_data_references_in_loop): Handle COMPONENT_REF.
7981 (compute_data_dependences_for_loop): Initialize dependence_stats.
7982 Don't call build_classic_dist_vector and build_classic_dir_vector.
7983 Update the parameters of initialize_data_dependence_relation and
7984 compute_all_dependences. Print the statistics from datadep_stats.
7985 (analyze_all_data_dependences): Static. Not used until the pass for
7986 checking the data dependences is contributed.
7987 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7988 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7989 (initialize_data_dependence_relation, compute_affine_dependence,
7990 analyze_all_data_dependences, compute_subscript_distance): Removed.
7991 (print_direction_vector): New.
7992 * lambda.h (gcd): ... here.
7993 (lambda_vector_gcd): Moved here from gcd_vector.
7994 * lambda-code.c (gcd, gcd_vector): Removed.
7995 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7996 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7998 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8000 * ipa-type-escape.c: Tidy some comments and white space.
8001 * tree-ssa-operands.c: Likewise.
8003 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8006 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8007 (dump_decl_name): Do not walk the decl tree chains.
8008 * tree-pass.h (TDF_CHAIN): Remove.
8010 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8012 * Makefile.in (C): Remove
8014 (.PHONY): Remove C and PROTO
8016 2006-02-20 Roger Sayle <roger@eyesopen.com>
8019 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8020 deprecated CHAR_TYPE tree code.
8022 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8024 * configure.ac (target_list): Add install-info, dvi, html.
8025 * configure: Regenerate.
8027 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8028 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8029 treelang/Make-lang.in: Do not use double-colon rules.
8031 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8033 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8034 (TMT_USED_ALONE): New macro.
8035 * tree-pass.h (PROP_tmt_usage): New property.
8036 (TODO_update_tmt_usage): New todo.
8037 * tree-ssa-alias.c (updating_used_alone): New variable.
8038 (recalculate_used_alone): New function.
8039 (compute_may_aliases): Set updating_used_alone, call
8040 recalculate_used_alone.
8041 * tree-sra.c (pass_sra): Note that this pass destroys
8042 PROP_tmt_usage, and add TODO_update_tmt_usage.
8043 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8044 * tree-flow.h (updating_used_alone): Prototype.
8045 (recalculate_used_alone): Ditto.
8046 * passes.c (execute_todo): Add code to set updating_used_alone,
8047 and call recalculate.
8048 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8049 for clobber if used alone, and add assert to verify used_alone
8052 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8054 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8055 for non tls symbols added.
8056 (legitimize_address): Do nothing for PLUS expressions if one of the
8057 addends is a tls symbol reference.
8059 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8063 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8065 * Makefile.in (BOOTSTRAPPING): New.
8066 (quickstrap): New definition if BOOTSTRAPPING=yes.
8068 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8069 * configure.ac: Substitute all_selected_languages with the languages
8070 that were configured. For all the other variables except
8071 lang_specs_files, include all the languages in the tree.
8072 * configure: Regenerate.
8074 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8075 if there is one. Run the commands to run fixincludes in the same
8078 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8079 * doc/install.texi: Document exact conventions for searching target tools.
8080 Document --with-build-time-tools. Document toplevel bootstrap. Document
8081 something more about building an Ada cross-compiler. Don't list GNU Make
8082 requirements which affect all platforms.
8084 2006-02-19 Roger Sayle <roger@eyesopen.com>
8087 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8088 only equivalent if the have both the same mode and precision.
8090 2006-02-20 Ben Elliston <bje@au.ibm.com>
8092 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8094 2006-02-19 Roger Sayle <roger@eyesopen.com>
8095 Steven Bosscher <stevenb.gcc@gmail.com>
8097 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8098 constant pool references to identify stack mode constants.
8099 * rtlanal.c (constant_pool_constant_p): New predicate to check
8100 whether operand is a floating point constant in the pool.
8101 * rtl.h (constant_pool_constant_p): Prototype here.
8102 * loop.c (scan_loop): Avoid hoisting constants from the constant
8103 pool on STACK_REGS targets.
8104 (load_mems): Likewise.
8105 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8106 loads into x87 registers expensive in terms of register pressure.
8108 2006-02-19 Roger Sayle <roger@eyesopen.com>
8110 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8111 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8113 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8115 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8116 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8118 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8120 * doc/invoke.texi: Document -fipa-pta.
8121 * common.opt: Add ipa-pta option.
8122 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8123 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8124 (do_ds_constraint): Ditto.
8125 (get_constraint_for): Only add to referenced_vars if
8126 referenced_vars exists.
8127 (insert_into_field_list): Rewrite to do this unsorted.
8128 (insert_into_field_list_sorted): Rename old insert_into_field_list
8130 (create_function_info_for): Use insert_into_field_list_sorted.
8131 (create_variable_info_for): Rewrite so it uses unsorted version,
8132 since the field list is sorted.
8133 (intra_create_variable_infos): Only add to referenced_vars if
8134 referenced_vars exists.
8135 (ipa_pta_execute): Init heapvars, and delete when done.
8136 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8138 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8140 * doc/install.texi: Add missing `@samp'.
8142 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8144 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8147 2006-02-18 Mark Wielaard <mark@klomp.org>
8149 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8150 who added new 4.1 features, bug fixes and integration support.
8152 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8155 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8158 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8160 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8161 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8162 (copy_insn_1): Likewise. Don't copy each field individually.
8164 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8166 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8167 * rtl.c (rtx_size): Rename variable to...
8168 (rtx_code_size): ...this.
8169 (rtx_size): New function.
8170 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8171 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8173 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8174 * rtl.h (rtx_code_size): New variable.
8175 (rtx_size): Change from a variable to a function.
8176 (RTX_SIZE): Rename to...
8177 (RTX_CODE_SIZE): ...this.
8180 PR tree-optimization/17106
8181 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8182 (Anchored Addresses): New section.
8183 * doc/invoke.texi (-fsection-anchors): Document.
8184 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8185 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8186 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8187 * hooks.c (hook_bool_mode_rtx_false): New function.
8188 * hooks.h (hook_bool_mode_rtx_false): Declare.
8189 * gengtype.c (create_optional_field): New function.
8190 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8191 SYMBOL_REF_IN_BLOCK_P is true.
8192 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8193 (min_anchor_offset, max_anchor_offset): Likewise.
8194 (use_anchors_for_symbol_p): New hook.
8195 * toplev.c (compile_file): Call output_object_blocks.
8196 (target_supports_section_anchors_p): New function.
8197 (process_options): Check that -fsection-anchors is only used on
8198 targets that support it and when -funit-at-a-time is in effect.
8199 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8200 if the decl doesn't have one.
8201 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8202 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8203 of force_const_mem through use_anchored_address.
8204 (expand_expr_constant): New function.
8205 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8206 calling expand_expr for INDIRECT_REF.
8207 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8208 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8209 * expr.h (use_anchored_address): Declare.
8210 * loop-unroll.c: Don't declare rtx vectors here.
8211 * explow.c: Include output.h.
8212 (validize_mem): Call use_anchored_address.
8213 (use_anchored_address): New function.
8214 * common.opt (-fsection-anchors): New switch.
8215 * varasm.c (object_block_htab, anchor_labelno): New variables.
8216 (hash_section, object_block_entry_eq, object_block_entry_hash)
8217 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8218 (use_blocks_for_decl_p, change_symbol_section): New functions.
8219 (get_variable_section): New function, split out from assemble_variable.
8220 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8221 use_blocks_for_decl_p say so. Use change_symbol_section if the
8222 symbol has already been created.
8223 (assemble_variable_contents): New function, split out from...
8224 (assemble_variable): ...here. Don't output any code for
8225 block symbols; just pass them to place_block_symbol.
8226 Use get_variable_section and assemble_variable_contents.
8227 (get_constant_alignment, get_constant_section, get_constant_size): New
8228 functions, split from output_constant_def_contents.
8229 (build_constant_desc): Create a block symbol if use_object_blocks_p
8230 says so. Or into SYMBOL_REF_FLAGS.
8231 (assemble_constant_contents): New function, split from...
8232 (output_constant_def_contents): ...here. Don't output any code
8233 for block symbols; just pass them to place_section_symbol.
8234 Use get_constant_section and get_constant_alignment.
8235 (force_const_mem): Create a block symbol if use_object_blocks_p and
8236 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8237 (output_constant_pool_1): Add an explicit alignment argument.
8238 Don't switch sections here.
8239 (output_constant_pool): Adjust call to output_constant_pool_1.
8240 Switch sections here instead. Don't output anything for block symbols;
8241 just pass them to place_block_symbol.
8242 (init_varasm_once): Initialize object_block_htab.
8243 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8244 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8245 (place_block_symbol, get_section_anchor, output_object_block)
8246 (output_object_block_htab, output_object_blocks): New functions.
8247 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8248 (TARGET_ASM_OUT): Include it.
8249 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8250 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8251 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8252 (TARGET_INITIALIZER): Include them.
8253 * rtl.c (rtl_check_failed_block_symbol): New function.
8254 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8255 (block_symbol, object_block): New structures.
8256 (rtx_def): Add a block_symbol field to the union.
8257 (BLOCK_SYMBOL_CHECK): New macro.
8258 (rtl_check_failed_block_symbol): Declare.
8259 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8260 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8261 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8262 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8263 * output.h (output_section_symbols): Declare.
8264 (object_block): Name structure.
8265 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8266 (default_use_anchors_for_symbol_p): Declare.
8267 * Makefile.in (RTL_BASE_H): Add vec.h.
8268 (explow.o): Depend on output.h.
8269 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8270 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8271 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8272 (rs6000_use_blocks_for_constant_p): New function.
8274 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8276 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8278 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8281 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8284 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8286 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8290 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8293 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8294 instead of DECL_REGISTER.
8296 2006-02-18 Olivier Hainque <hainque@adacore.com>
8299 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8301 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8304 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8305 * opth-gen.awk: Handle Var and InverseMask together.
8306 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8307 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8308 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8309 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8311 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8312 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8313 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8314 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8315 LINUX_DYNAMIC_LINKER): Define.
8316 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8317 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8319 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8320 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8321 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8323 (TARGET_C99_FUNCTIONS): Don't define.
8324 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8325 GLIBC_DYNAMIC_LINKER.
8326 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8327 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8328 GLIBC_DYNAMIC_LINKER64): Define.
8329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8330 LINUX_DYNAMIC_LINKER64.
8331 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8333 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8335 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8337 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8338 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8339 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8341 and LINUX_DYNAMIC_LINKER32.
8342 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8344 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8346 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8348 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8349 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8350 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8351 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8353 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8354 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8355 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8356 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8357 LINUX_DYNAMIC_LINKER): Define.
8358 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8359 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8360 GLIBC_DYNAMIC_LINKER64): Define.
8361 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8362 LINUX_DYNAMIC_LINKER64.
8363 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8364 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8365 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8366 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8367 LINUX_DYNAMIC_LINKER): Define.
8368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8369 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8370 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8371 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8372 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8373 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8374 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8375 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8376 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8377 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8379 * doc/invoke.texi (-muclibc): Remove caveat about supported
8382 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8384 * doc/cpp.texi (__TIMESTAMP__): Document.
8386 2006-02-17 Roger Sayle <roger@eyesopen.com>
8389 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8390 C is one less than the width of X (and related transformations).
8391 * simplify-rtx.c (simplify_unary_operation_1): Transform
8392 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8393 depending on STORE_FLAG_VALUE, were C is one less then the
8396 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8398 Fix PR tree-optimization/26341
8399 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8400 about NAME_MEMORY_TAG's.
8402 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8405 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8406 with hardware float support, and software float support. Add fcpy
8407 alternative to hardware patterns. Add alternatives to copy between
8408 general and floating-point registers to the 32-bit pattern.
8409 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8410 secondary reload to load a QI or HI mode constant into a floating
8412 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8413 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8415 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8418 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8420 (load_macho_picbase_di): Likewise.
8422 2006-02-16 Jeff Law <law@redhat.com>
8424 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8425 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8426 (ssa_name_nonzero_p): Likewise.
8427 (get_value_range): Return NULL if VRP is not running.
8428 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8429 VRP routines do not discover a range.
8430 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8431 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8432 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8433 (tree_expr_nonnegative_p): Similarly.
8434 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8435 (restore_nonzero_vars_to_original_value): Remove.
8436 (unsafe_associative_fp_binop): Remove.
8437 (tree_ssa_dominator_optimize): Remove initialization and
8438 finalization of nonzero_vars and nonzero_vars_stack.
8439 (dom_opt_initialize_block): No longer push marker on
8441 (dom_opt_finalize_block): No longer call
8442 restore_nonzero_vars_to_original_value.
8443 (record_equivalences_from_phis): No longer look for
8444 nonzero PHI arguments.
8445 (cprop_into_successor_phis): No longer propagate nonzero
8446 property into PHI arguments. Lose unused argument. Caller
8448 (record_equivalences_from_stmt): No longer record nonzero
8449 values for SSA_NAMEs.
8450 (lookup_avail_expr): No longer use nonzero_vars.
8452 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8453 for sizetype when sizetype is unsigned.
8455 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8457 PR rtl-optimization/25603
8458 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8459 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8460 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8461 with new meaning of SETS.
8463 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8468 * config/linux.opt: New file.
8469 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8470 LINUX_DYNAMIC_LINKER): Define.
8471 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8472 * config.gcc (*-*-linux*): Define extra_options.
8473 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8474 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8475 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8476 GLIBC_DYNAMIC_LINKER.
8477 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8478 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8479 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8481 * doc/invoke.texi (GNU/Linux Options): New section.
8483 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8485 * config/sparc/sparc.md (setjmp): Rewrite.
8486 (setjmp_32): Delete.
8487 (setjmp_64): Likewise.
8489 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8491 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8494 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8496 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8499 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8501 PR rtl-optimization/26296
8502 * Makefile.in (loop-invariant.c): Add except.h dependency.
8503 * loop-invariant.c: Include except.h.
8504 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8506 2005-02-16 Paul Brook <paul@codesourcery.com>
8508 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8511 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8513 PR rtl-optimization/25636
8514 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8515 when deciding whether an insn is an initializing insn.
8517 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8519 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8520 (tree_code_size): Ditto.
8521 * tree.h (struct tree_memory_tag): Remove parent_var.
8522 (struct tree_struct_field_tag): New.
8525 (union tree_node): Add sft member.
8526 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8528 (create_sft): Add size and offset argument, set SFT_OFFSET and
8530 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8531 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8532 * tree-flow-inline.h (get_subvar_at): Update for
8533 SFT_OFFSET/SFT_SIZE.
8534 (var_can_have_subvars): Ditto.
8535 (overlap_subvar): Ditto.
8536 * print-tree.c (print_node): Print out interesting things for
8538 * tree-flow.h (struct subvar): Remove offset and size members.
8539 * tree-ssa-operands.c (get_expr_operands): Update for
8540 get_indirect_ref_operands changes.
8541 (get_indirect_ref_operands): Call add_virtual_operand instead of
8542 add_stmt_operand. Only recurse on base var if requested.
8543 (access_can_touch_variable): New function.
8544 (add_stmt_operand): Split virtual operand handling into ...
8545 (add_virtual_operand): Here. Add offset, size, and for_clobber
8546 arguments. Prune alias sets.
8547 (add_call_clobber_ops): Call add_virtual_operand.
8549 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8552 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8554 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8555 than TREE_CODE as index into omp_clause_num_ops array.
8557 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8559 PR rtl-optimization/26184
8560 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8562 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8563 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8564 must_precede, must_follow and tobe_scheduled.
8567 * opts.c (common_handle_option): Free new_option pointer.
8568 * df-core.c (df_analyze): Free postorder pointer.
8570 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8572 * Makefile.in: Fix the examples about the use of stamps
8574 2006-02-15 Michael Matz <matz@suse.de>
8578 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8579 influenced by maximum_field_alignment or DECL_PACKED.
8580 (update_alignment_for_field): Ditto.
8581 (place_field): Ditto.
8582 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8585 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8587 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8588 (debug_flow_info): Pass it.
8589 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8590 * bb-reorder.c (reorder_basic_blocks): Likewise.
8591 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8592 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8593 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8594 * gcse.c (gcse_main, bypass_jumps): Likewise.
8595 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8596 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8597 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8598 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8599 * rtl.h (dump_flow_info): Adjust prototype.
8600 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8601 * var-tracking.c (variable_tracking_main): Likewise.
8602 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8603 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8606 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8608 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8611 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8613 PR tree-optimization/26209
8614 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8615 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8617 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8619 2006-02-14 Roger Sayle <roger@eyesopen.com>
8622 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8623 (X,Y) and the corresponding symmetry related transformations.
8624 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8625 (X,Y) and its symmetry related transformations.
8627 2006-02-14 Roger Sayle <roger@eyesopen.com>
8629 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8632 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8634 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8636 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8639 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8640 support COMDAT group.
8641 * configure: Regenerate.
8643 2006-02-14 Roger Sayle <roger@eyesopen.com>
8648 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8650 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8652 Fix PR tree-optimization/26260
8654 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8656 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8657 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8658 * tree-ssa-structalias.c (create_variable_info_for): Use
8659 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8661 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8663 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8665 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8666 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8667 of the ending condition.
8668 * tree-ssa-loop-manip.c: Include params.h.
8669 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8670 tree_unroll_loop): New functions.
8671 * tree-pass.h (pass_loop_prefetch): Declare.
8672 * loop.c (rest_of_handle_loop_optimize): Test for
8673 -fprefetch-loop-arrays-rtl.
8674 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8675 * timevar.def (TV_TREE_PREFETCH): New timevar.
8676 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8677 pass_loop_prefetch): New.
8678 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8679 (cleanup_tree_cfg_loop): Call scev_reset.
8680 * common.opt (fprefetch-loop-arrays-rtl): Add.
8681 * tree-ssa-loop-prefetch.c: New file.
8682 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8683 (new_temp_expr_table): Initialize expr_vars.
8684 (free_temp_expr_table): Cleanup expr_vars.
8685 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8686 expressions from being merged into one.
8687 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8688 (struct tree_niter_desc): Add control, bound and cmp fields.
8689 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8691 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8692 (tree-cfgcleanup.o): Add SCEV_H dependency.
8693 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8694 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8696 2006-02-14 Richard Guenther <rguenther@suse.de>
8698 PR tree-optimization/26258
8699 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8700 in PHI argument processing.
8702 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8704 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8705 new expression in the requested machine mode.
8707 2006-02-13 Roger Sayle <roger@eyesopen.com>
8709 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8710 directly, instead let do_compare_rtx_and_jump handle this for us.
8711 * expr.c (expand_expr_real_1): Likewise.
8712 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8713 before do_jump_by_parts_greater.
8714 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8715 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8717 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8719 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8721 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8723 PR rtl-optimization/26235
8724 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8725 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8728 2006-02-13 Jeff Law <law@redhat.com>
8730 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8733 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8736 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8737 twice if decl is a builtin. When trying again, call get_callee_fndecl
8738 first to verify it is still a builtin.
8740 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8742 * dwarf2out.c (base_type_die): Don't add AT_name here.
8743 (subrange_type_die): Don't add AT_name here.
8744 (modified_type_die): Rearrange code flow. Do add AT_name here.
8746 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8748 PR rtl-optimization/26247
8749 PR rtl-optimization/26248
8750 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8752 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8754 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8755 * config/fixtfdi.c: Likewise.
8756 * config/fixunstfdi.c: Likewise.
8757 * config/floatditf.c: Likewise.
8759 2006-02-13 Roger Sayle <roger@eyesopen.com>
8762 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8763 into (X,C2) if C1 is a subset of the bits of C2. Transform
8764 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8766 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8768 2006-02-13 Josh Conner <jconner@apple.com>
8771 * varasm.c (function_section): Check for section name before
8772 calling select_section on targets that define
8773 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8774 unlikely_text_section instead of hot_function_section if
8775 first_function_block_is_cold.
8777 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8780 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8782 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8784 PR rtl-optimization/26222
8785 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8786 after tree->rtl expansion.
8787 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8788 before passing it to emit_move_insn.
8790 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8792 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8794 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8795 Clarify documentation.
8796 * c-common.h (warn_write_strings): Remove.
8797 * c-common.c (warn_write_strings): Likewise.
8798 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8801 2006-02-12 Roger Sayle <roger@eyesopen.com>
8804 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8805 (do_jump_parts_zero_rtx): New function renamed from
8806 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8807 (do_jump_parts_equality_rtx): New function split out from
8808 do_jump_parts_equality. Old implementation renamed as above.
8809 Call do_jump_parts_zero_rtx if either operand is zero.
8810 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8811 do all of the heavy lifting.
8812 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8813 calling either do_jump_by_parts_greater_rtx or
8814 do_jump_by_parts_equality_rtx.
8815 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8816 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8817 moved to do_compare_rtx_and_jump, call it directly.
8818 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8819 mode argument. Call do_compare_rtx_and_jump.
8820 (emit_case_nodes): Update calls to do_jump_if_equal.
8822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8824 PR rtl-optimization/26225
8825 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8827 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8829 PR rtl-optimization/26232
8830 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8832 2006-02-11 Jason Merrill <jason@redhat.com>
8835 * tree-inline.c (declare_return_variable): Just don't use the
8836 modify target if it's a gimple complex reg and the return slot
8839 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8841 * doc/contrib.texi: Update my entry.
8843 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8845 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8847 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8849 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8852 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8854 * doc/invoke.texi (-floop-optimize2): Removed.
8855 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8856 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8857 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8858 * common.opt (floop-optimize2): Removed.
8859 (fmove-loop-invariants): Enabled by default.
8861 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8863 * tree-if-conv.c (combine_blocks): Free the result of
8864 get_loop_exit_edges.
8866 2006-02-10 Jeff Law <law@redhat.com>
8868 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8870 PR tree-optimization/26213
8871 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8872 loop trying to follow SSA_NAME_VALUE chains.
8874 2006-02-10 Richard Guenther <rguenther@suse.de>
8876 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8877 deal with structures that end in implicitly variable sized arrays.
8879 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8881 PR rtl-optimization/24762
8882 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8885 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8887 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8888 (struct ivopts_data): Add regs_used field.
8889 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8890 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8891 instead of loop_data->regs_used;
8892 (free_loop_data): Do not free aux fields for loops.
8893 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8894 and tree_ssa_iv_optimize_finalize.
8896 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8898 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8900 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8903 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8904 computing the effective result type.
8906 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8909 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8910 (tree_overlaps_hard_reg_set): Declare.
8911 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8912 type and signature to match function type expected by walk_tree.
8913 (tree_overlaps_hard_reg_set): New function.
8914 (decl_conflicts_with_clobbers_p): Rename to:
8915 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8916 Use tree_overlaps_hard_reg_set. Changed caller.
8917 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8918 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8919 * cris.c (cris_md_asm_clobbers): Likewise.
8921 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8923 * reload1.c (emit_input_reload_insns): Delete code that tries to
8924 inherit using find_equiv_reg.
8926 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8928 * c-common.h (flag_const_strings): Don't declare.
8929 * c-common.c (flag_const_strings): Remove.
8930 * c.opt (fconst_strings): Remove.
8931 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8932 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8933 (c_common_init_options): Don't set flag_const_strings.
8934 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8936 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8938 * arm.md (tlobits_cbranch): New pattern.
8939 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8940 testing a single bit.
8942 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8945 * tree-ssa-pre.c (create_component_ref_by_pieces):
8946 Handle RETURN_DECL like VAR_DECL.
8948 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8951 * fold-const.c (fold_indirect_ref_1): Fold
8952 "*(foo *)&complexfoo" to "__real__ complexfoo"
8953 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8955 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8957 * tree-flow-inline.h (var_can_have_subvars):
8958 Volatile variables should not have subvariables.
8960 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8963 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8964 multiplying unsigned values.
8967 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8969 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8971 2006-02-08 Jason Merrill <jason@redhat.com>
8974 * tree.def: Elaborate on difference from MODIFY_EXPR.
8975 * doc/c-tree.texi (INIT_EXPR): Likewise.
8976 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8977 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8978 (gimplify_target_expr): Likewise.
8979 (gimplify_cond_expr): Remove target handling.
8980 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8981 (gimplify_expr): Clobber it here.
8982 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8983 Do return slot optimization if we have an INIT_EXPR.
8986 * tree-inline.c (declare_return_variable): Also clear
8987 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8990 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8993 * gimplify.c (gimplify_one_sizepos): Fix typo.
8995 2006-02-08 Jeff Law <law@redhat.com>
8997 PR tree-optimization/21417
8998 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8999 across a backedge if the control statement at the end of the
9000 block is data dependent on other statements in the same block.
9001 (record_temporary_equivalences_from_stmts): Remove over-conservative
9002 test for threading across backedges.
9004 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9005 control statement, handle all three special cases in the same
9006 manner as they all have the same desired solution. No longer
9007 special case edge flag updating when the post dominator is
9010 2006-02-08 Roger Sayle <roger@eyesopen.com>
9012 * tree.def (CHAR_TYPE): Remove.
9013 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9014 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9015 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9016 (gen_string_type_die): Delete unreachable function.
9018 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9019 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9020 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9021 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9022 * builtins.c (type_to_class): Likewise.
9023 * fold-const.c (fold_convert, build_range_check,
9024 merge_ranges): Likewise.
9025 * expr.c (count_type_elements): Likewise.
9026 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9027 * stor-layout.c (layout_type): Likewise.
9028 * ipa-type-escape.c (type_to_consider): Likewise.
9029 * gimplify.c (omp_firstprivatize_type_sizes,
9030 gimplify_type_sizes): Likewise.
9031 * explow.c (promote_mode): Likewise.
9032 * tree-sra.c (is_sra_scalar_type): Likewise.
9033 * varasm.c (output_constant): Likewise.
9034 * tree-inline.c (remap_type_1): Likewise.
9035 * convert.c (convert_to_pointer, convert_to_real,
9036 convert_to_integer, convert_to_complex): Likewise.
9038 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9040 * df-scan.c (df_def_record_1): A set destination may
9041 be a parallel regardless of mode.
9043 2006-02-08 Roger Sayle <roger@eyesopen.com>
9046 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9047 * config/mips/_tilib.c: Remove.
9048 * config/fixtfdi.c: New libgcc source file.
9049 * config/fixunstfdi.c: New source file.
9050 * config/floatditf.c: New source file.
9051 * config/floatunditf.c: New souce file.
9052 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9053 files above instead of config/mips/_tilib.c.
9054 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9056 2006-02-08 Jeff Law <law@redhat.com>
9058 PR tree-optimization/26169
9059 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9062 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9064 * df.h (DF_REG_SIZE): Return the length of the initialized
9067 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9069 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9070 __muldf3): Return a correctly signed zero.
9072 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9074 * passes.c (register_one_dump_file): Accept the current properties
9075 instead of pass number. Adjust call to dump_register. Remove
9077 (register_dump_files): Now a wrapper around...
9078 (register_dump_files_1): ... this one. Do not modify the pass
9080 (next_pass_1): Cosmetic fix.
9081 (execute_todo): Keep second parameter only. Use curr_properties
9082 instead of fetching it from the pass structure. Check and set
9084 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9085 instead of fetching it from the pass structure. Fix calls to
9086 execute_todo. Update curr_properties and initialize .vcg RTL dump
9087 after running the pass. Reset last_verified.
9088 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9090 (FIRST_AUTO_NUMBERED_DUMP): New.
9091 (dump_register): Remove "num" parameter, assign it within the
9093 (get_dump_file_name): Modify template for dumps.
9094 * tree-dump.h (dump_register): Adjust prototype.
9095 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9096 (PROP_trees): Add PROP_gimple_lomp.
9097 (TODO_set_props): New.
9098 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9099 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9100 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9102 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9104 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9105 (sparc64-*-linux*): Likewise.
9106 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9107 * config/sparc/t-linux: New file.
9108 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9109 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9110 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9111 -m32 -mlong-double-128.
9113 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9114 * config/alpha/t-linux: New file.
9115 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9117 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9118 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9119 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9120 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9121 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9122 (CPP_ARCH32_SPEC): Remove.
9124 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9126 PR tree-optimization/26145
9127 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9130 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9133 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9134 >= 240000 when generating code for SOM runtime.
9135 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9136 to $$dyncall when generating code for SOM runtime..
9138 2006-02-07 Dirk Mueller <dmueller@suse.com>
9141 * doc/invoke.texi (-Wsequence-point): Update documentation
9142 that -Wsequence-point is implemented for C++ as well.
9144 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9146 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9147 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9148 (LIB_SPEC): Likewise.
9149 * doc/invoke.texi (SPARC options): Document -pthread.
9151 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9153 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9156 2006-02-07 Roger Sayle <roger@eyesopen.com>
9158 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9159 Correct comment describing BOOLEAN_TYPE.
9161 2006-02-07 Dirk Mueller <dmueller@suse.com>
9163 * c.opt: C++ frontend supports -Wdiv-by-zero.
9164 * c-opts.c (c_common_handle_option): Remove dead case.
9166 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9168 * configure.ac (TLS assembler check): Do not enable TLS by
9169 default on SPARC/Solaris before version 10.
9170 * configure: Regenerate.
9172 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9174 * doc/invoke.texi (xl-compat): Document conversion and support
9177 2006-02-07 Jeff Law <law@redhat.com>
9179 * tree-vrp.c (find_conditional_asserts): Update comments.
9180 (simplify_stmt_for_jump_threading): New.
9181 (identify_jump_threads, finalize_jump_threads): New.
9182 (vrp_finalize): Call identify_jump_threads.
9183 (execute_vrp): Call finalize_jump_threads.
9184 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9185 (vrp_element, vrp_data, vrp_element_p): Remove.
9186 (vrp_hash_elt, vrp_variables_stack): Remove.
9187 (vrp_hash, vrp_eq, record_range): Remove.
9188 (simplify_cond_and_lookup_avail_expr): Remove.
9189 (extract_range_from_cond): Remove.
9190 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9191 (simplify_stmt_for_jump_threading): New.
9192 (dom_thread_across_edge): New wrapper.
9193 (tree_ssa_dominator_optimize): No longer initialize or
9194 finalize any of the VRP datastructures. Remove iteration
9195 step and simplify as a result of removal of iteration step.
9196 (pass_dominator): Perform a cfg cleanup after DOM.
9197 (dom_opt_finalize_block): Use the new common routines
9198 for threading jumps. Simplify stack management slightly.
9199 No longer need to unwind VRP state.
9200 (record_equivalences_from_incoming_edge): No longer record
9202 (eliminate_redundant_computations): No longer call
9203 simplify_cond_and_lookup_avail_expr.
9204 * tree-flow.h (potentially_threadable_block): Prototype.
9205 (thread_across_edge): Likewise.
9206 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9207 (tree-ssa-threadedge.o): Add dependencies.
9208 * tree-ssa-threadedge.c: New file.
9209 * passes.c (init_optimization_passes): Merge PHIs before
9210 calling VRP. Run VRP again late in the SSA optimization pipeline.
9212 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9214 * df-core.c (df_set_blocks): Do not dereference function pointers.
9215 (df_finish1): Likewise.
9216 (df_hybrid_search_forward): Likewise.
9217 (df_hybrid_search_backward): Likewise.
9218 (df_iterative_dataflow): Likewise.
9219 (df_analyze_problem): Likewise.
9220 (df_compact_blocks): Likewise.
9221 (df_dump): Likewise.
9222 * df-scan.c (df_rescan_blocks): Likewise.
9223 (df_record_entry_block_defs): Likewise.
9225 * genconditions.c (write_conditions): Guard the definition of
9226 'insn_conditions' with the check on GCC version.
9227 (write_writer): Guard the traversal 'insn_conditions' with
9228 the check on GCC version.
9230 2006-02-07 Richard Guenther <rguenther@suse.de>
9234 2006-01-30 Richard Guenther <rguenther@suse.de>
9236 * gimplify.c (gimplify_target_expr): Handle easy cases
9237 without creating a temporary.
9239 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9241 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9242 use of float in probability computations. Use edge probabilities
9243 in place of statically computed probabilities.
9244 (min_spec_prob): New static variable.
9245 (schedule_insns): Initialize it.
9246 (GET_SRC_PROB): Removed.
9247 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9249 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9252 * config/ia64/unwind-ia64.c: Revert last change.
9253 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9254 (INCOMING_FRAME_SP_OFFSET): Define.
9256 2006-02-06 Roger Sayle <roger@eyesopen.com>
9258 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9260 2006-02-07 Ben Elliston <bje@au.ibm.com>
9262 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9263 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9264 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9265 (ix86_return_in_memory): Handle TDmode.
9266 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9267 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9269 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9271 * reorg.c (dbr_schedule): Use dump_file instead of file.
9273 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9276 * config/ia64/predicates.md (extr_len_operand): New predicate.
9277 * config/ia64/ia64.md (extv): Tighten constraints.
9279 (*tbit_and_2): Ditto.
9280 (*tbit_and_3): Ditto.
9281 (*tbit_or_2): Ditto.
9282 (*tbit_or_3): Ditto.
9286 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9289 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9291 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9293 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9294 loop_optimizer_init and loop_optimizer_finalize
9295 * tree-ssa-sink.c (execute_sink_code): Ditto.
9296 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9297 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9298 tree_ssa_loop_done): Ditto.
9299 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9300 * sched-ebb.c: Include output.h.
9301 (schedule_ebbs): Do not use dump argument.
9302 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9303 * loop.c (loop_dump_stream): Removed.
9304 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9306 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9307 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9308 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9309 loop_iterations, strength_reduce, record_biv, record_giv,
9310 final_giv_value, check_final_value, check_ext_dependent_givs,
9311 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9312 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9313 dump_file instead of loop_dump_stream.
9314 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9316 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9318 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9319 * haifa-sched.c: Include output.h
9320 (schedule_insns, sched_init): Do not use dump argument.
9321 * mode-switching.c (optimize_mode_switching): Ditto.
9322 * modulo-sched.c (stats_file): Removed.
9323 (print_node_sched_params): Do not call argument dump_file.
9324 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9325 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9327 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9329 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9330 rtl_loop_init, rtl_loop_done): Ditto.
9331 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9332 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9334 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9335 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9336 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9337 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9338 * emit-rtl.c (renumber_insns): Ditto.
9339 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9340 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9341 * regclass.c (regclass): Ditto.
9342 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9343 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9344 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9345 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9347 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9348 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9350 * gcse.c (gcse_file, debug_stderr): Removed.
9351 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9352 rest_of_handle_gcse): Do not use dump argument.
9353 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9354 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9355 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9356 compute_code_hoist_vbeinout, compute_code_hoist_data,
9357 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9358 compute_store_table, build_store_vectors, insert_insn_start_bb,
9359 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9360 store_motion): Use dump_file instead of gcse_file.
9361 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9362 * profile.c (profile_dump_file): Removed.
9363 (branch_prob): Use dump_file instead of profile_dump_file.
9364 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9366 * tree-ssa-copy.c (dump_copy_of): Ditto.
9367 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9368 dump file to life_analysis.
9369 * bt-load.c (branch_target_load_optimize): Ditto.
9370 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9372 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9373 regclass, dbr_schedule): Declaration changed.
9374 * sched-int.h (sched_init): Declaration changed.
9375 * tree-profile.c (tree_profile_dump_file): Removed.
9376 (tree_profile_hooks): Removed profile_dump_file hook.
9377 * rtl-profile (rtl_profile_dump_file): Removed.
9378 (rtl_profile_hooks): emoved profile_dump_file hook.
9379 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9381 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9382 * tree-cfg.c (build_tree_cfg): Ditto.
9383 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9384 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9385 Declaration changed.
9386 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9387 life_analysis and schedule_insns.
9388 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9390 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9392 * config/mips/mips.c (mips_reorg): Ditto.
9393 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9396 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9398 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9399 (s390_mangle_fundamental_type): New.
9400 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9403 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9404 (alpha_mangle_fundamental_type): New.
9405 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9408 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9410 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9412 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9413 (sparc_mangle_fundamental_type): New.
9415 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9417 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9418 (s390x-*-linux*): Likewise.
9419 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9420 * config/s390/t-linux: New file.
9422 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9424 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9425 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9427 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9429 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9430 (ANTIC_SAFE_LOADS): New macro.
9431 (find_or_generate_expression): Add prototype.
9432 (set_contains_value): Allow null set for sake of not always having
9433 to allocate ANTIC_SAFE_LOADS.
9434 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9435 Allow COMPONENT_REF too.
9436 (valid_in_set): Allow COMPONENT_REF.
9437 Check ANTIC_SAFE_LOADS too.
9438 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9439 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9441 (can_PRE_operation): Add COMPONENT_REF.
9442 (create_component_ref_by_pieces): New function.
9443 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9444 (insert_aux): Move AGGREGATE_TYPE_P check here.
9445 (compute_avail): Set bb local stmt uids.
9446 (pass_pre): Use TODO_update_ssa_only_virtuals.
9448 2006-02-06 Ben Elliston <bje@au.ibm.com>
9450 * configure.ac: Unconditionally disable decimal float by default.
9451 * configure: Regenerate.
9453 2006-02-06 Ben Elliston <bje@au.ibm.com>
9455 * read-rtl.c (read_name): Terminate reading on EOF.
9457 2006-02-06 Ben Elliston <bje@au.ibm.com>
9459 * dfp.c (decimal_real_arithmetic): Change second argument type
9460 from int to enum tree_code. Do not always return true, but now
9461 return result of any call to decimal_do helper functions.
9462 * dfp.h (decimal_real_arithmetic): Update prototype.
9464 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9466 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9468 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9471 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9474 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9476 * tree-vrp.c (cfg_loops): Removed.
9477 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9478 Use current_loops instead of cfg_loops. Pass flags to
9479 loop_optimizer_init.
9480 * cfgloopmanip.c (fix_loop_structure): Update only available
9482 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9483 loop_optimizer_init.
9484 * modulo-sched.c (build_loops_structure): Removed.
9485 (sms_schedule): Use loop_optimizer_init.
9486 * loop-init.c (loop_optimizer_init): Use flags to determine
9487 which properties of loops to prepare.
9488 (rtl_loop_init): Pass flags to loop_optimizer_init.
9489 * tree-ssa-sink.c (execute_sink_code): Ditto.
9490 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9491 * tree-ssa-pre.c (init_pre): Ditto.
9492 * cfgloop.h (LOOPS_NORMAL): New.
9493 (loop_optimizer_init): Declaration changed.
9495 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9497 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9498 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9500 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9502 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9504 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9505 * pa/t-pa64: Delete quadlib.c rule.
9506 * pa/x-ada: Revert last change.
9507 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9509 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9511 PR rtl-optimization/26087
9512 * rtlanal.c (canonicalize_condition): Do not cross basic block
9515 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9518 * config/ia64/ia64.c: Include debug.h.
9519 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9520 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9521 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9522 (process_epilogue, process_set, process_for_unwind_directive):
9523 Output unwind info only if requested. Add CFA info if requested.
9524 Add new arguments as needed. Adjust callers.
9525 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9527 (DWARF2_FRAME_INFO): Define to zero.
9528 * config/ia64/unwind-ia64.c: Remove code that compensated for
9529 the CFA offset error fixed above.
9530 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9531 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9532 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9533 -funwind-tables and -fexceptions to enable frame info.
9534 (dwarf2out_frame_init): Define initial CFA even if
9535 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9536 DWARF2_UNWIND_INFO is nonzero, not just defined.
9537 (dwarf2out_frame_finish): Output non-EH call frame info only
9538 if DWARF2_FRAME_INFO is nonzero.
9539 (convert_cfa_to_loc_list,
9540 compute_frame_pointer_to_cfa_displacement): Define even if
9541 unwind info is not supported.
9542 (gen_subprogram_die): Use the above unconditionally. Remove
9543 legacy alternate code.
9544 * toplev.c (compile_file): Compile in call to
9545 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9546 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9548 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9549 Jakub Jelinek <jakub@redhat.com>
9551 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9552 IBM extended float format long double as "g" on powerpc*-linux.
9554 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9557 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9558 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9560 2006-02-03 Jason Merrill <jason@redhat.com>
9563 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9566 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9567 on the return slot if it's an NRV.
9569 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9571 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9572 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9573 rewrite_use): Do not handle USE_OUTER.
9574 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9575 add_iv_outer_candidates, may_replace_final_value,
9576 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9577 (find_interesting_uses_op): Functionality of
9578 find_interesting_uses_outer_or_nonlin moved here.
9579 (find_interesting_uses_outside): Use find_interesting_uses_op.
9581 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9584 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9586 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9587 Ulrich Weigand <uweigand@de.ibm.com>
9590 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9591 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9592 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9593 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9595 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9596 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9597 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9598 Define secondary reloads for TFmode moves.
9599 (constant_modes): Add TFmode.
9600 (NR_C_MODES): Set to 8.
9601 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9603 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9604 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9605 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9606 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9607 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9608 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9609 (FPR mode macro): Add TFmode.
9610 (DSF mode macro): New.
9611 (<de>, <dee> mode attributes): Removed.
9612 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9613 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9614 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9615 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9616 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9617 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9618 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9619 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9620 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9621 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9622 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9623 "*negabs<mode>2", "sqrt<mode>2"):
9624 Changed <de> to <xde>. R constraint replaced by <Rf>.
9625 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9627 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9628 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9629 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9631 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9632 "extenddftf2", "extendsftf2"): New expanders.
9633 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9634 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9635 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9636 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9638 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9639 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9640 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9641 __floatditf): Add a GCC_4.1.0 symbol version tag.
9642 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9645 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9648 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9649 Use targetm.binds_local_p instead of TREE_PUBLIC.
9651 2006-02-02 Roger Sayle <roger@eyesopen.com>
9653 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9654 on INTEGER_TYPEs to indicate that it denotes a character type.
9655 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9656 signed_char_type_node, unsigned_char_type_node and char_type_node.
9657 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9658 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9659 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9661 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9662 Daniel Berlin <dberlin@dberlin.org>
9664 * tree-tailcall.c (arg_needs_copy_p): New function.
9665 (eliminate_tail_call): Use arg_needs_copy_p.
9666 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9667 (add_virtual_phis): New function.
9669 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9671 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9672 #ignore instead of #scratch for %g7 .register directive.
9674 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9676 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9679 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9681 * flow.c (calculate_global_regs_live): Assert that there aren't any
9684 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9686 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9688 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9689 bsi_after_labels iterator.
9690 * tree-if-conv.c (find_phi_replacement_condition,
9691 replace_phi_with_cond_modify_expr): Likewise.
9692 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9693 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9695 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9697 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9699 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9702 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9703 array after growing it.
9705 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9708 * fold-const.c (fold_checksum_tree): Change type of buf.
9710 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9712 * reload.c (push_secondary_reload): Initialize t_icode.
9714 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9716 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9717 -msoft-float -mlong-double-128 only issue a warning, but don't
9718 swich to DFmode long double.
9720 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9722 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9723 has a constant equivalent, iterate over equivalents for arg0,
9724 calling simplify_relational_operation and if there's a result
9725 cheaper than X, apply fold_rtx and return the result.
9727 2006-02-01 Jan Hubicka <jh@suse.cz>
9729 * opts.c (no_unit_at_a_time_default): New global variable.
9730 (decode_options): Use it.
9731 * opts.h (no_unit_at_a_time_default): Declare.
9733 2006-02-01 Paul Brook <paul@codesourcery.com>
9735 * function.c (assign_parm_setup_reg): Use function argument promotion
9737 * expr.c (expand_expr_real_1): Use function argument promotion rules
9740 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9742 * gcc.c (process_command): Change j to 'unsigned int'.
9744 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9747 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9748 Use the corrected index for the character
9749 out of the string constant.
9751 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9753 * mode-switching.c (optimize_mode_switching): Fix size
9754 allocated for bb_info[n_entities].
9756 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9758 * gcc.c (main): Correct type that is allocated for
9759 explicit_link_files.
9761 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9763 * config/s390/s390.c (init_alignment_context): Set
9764 ALIAS_SET_MEMORY_BARRIER on the MEM.
9765 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9767 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9770 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9772 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9775 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9777 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9778 * regrename.c: Ditto.
9779 * tree-ssa-loop-im.c: Ditto.
9780 * tree-dump.c: Ditto.
9781 * tree-complex.c: Ditto.
9782 * genrecog.c: Ditto.
9783 * tree-ssa-threadupdate.c: Ditto.
9785 * java/class.c: Ditto.
9786 * java/jcf-parse.c: Ditto.
9787 * java/resource.c: Ditto.
9788 * java/except.c: Ditto.
9789 * java/jvspec.c: Ditto.
9790 * java/jcf-write.c: Ditto.
9791 * java/jcf-path.c: Ditto.
9792 * java/gjavah.c: Ditto.
9793 * java/zextract.c: Ditto.
9794 * java/jcf-io.c: Ditto.
9795 * java/jcf.h: Ditto.
9796 * java/buffer.c: Ditto.
9797 * java/lang.c: Ditto.
9798 * java/parse-scan.y: Ditto.
9799 * java/lex.c: Ditto.
9800 * java/lex.h: Ditto.
9801 * cfgloopmanip.c: Ditto.
9802 * postreload-gcse.c: Ditto.
9803 * tree-ssa-loop-manip.c: Ditto.
9804 * postreload.c: Ditto.
9805 * tree-ssa-loop-ch.c: Ditto.
9809 * diagnostic.c: Ditto.
9811 * genoutput.c: Ditto.
9813 * cfghooks.c: Ditto.
9814 * cfgloopanal.c: Ditto.
9815 * objc/objc-act.c: Ditto.
9817 * genextract.c: Ditto.
9818 * genautomata.c: Ditto.
9819 * pretty-print.c: Ditto.
9821 * cgraphunit.c: Ditto.
9824 * haifa-sched.c: Ditto.
9825 * dominance.c: Ditto.
9827 * tree-ssa-loop-ivopts.c: Ditto.
9829 * mode-switching.c: Ditto.
9830 * modulo-sched.c: Ditto.
9832 * ipa-pure-const.c: Ditto.
9834 * fix-header.c: Ditto.
9836 * tree-stdarg.c: Ditto.
9837 * ipa-utils.c: Ditto.
9838 * loop-init.c: Ditto.
9839 * ipa-inline.c: Ditto.
9842 * alloc-pool.c: Ditto.
9843 * dwarf2out.c: Ditto.
9845 * genattrtab.c: Ditto.
9846 * tree-ssa-loop-ivcanon.c: Ditto.
9850 * fortran/gfortranspec.c: Ditto.
9852 * local-alloc.c: Ditto.
9853 * langhooks.c: Ditto.
9854 * function.c: Ditto.
9855 * tree-vectorizer.c: Ditto.
9857 * ipa-type-escape.c: Ditto.
9859 * tree-if-conv.c: Ditto.
9862 * tree-data-ref.c: Ditto.
9863 * loop-unroll.c: Ditto.
9864 * treelang/treetree.c: Ditto.
9867 * ggc-common.c: Ditto.
9869 * coverage.c: Ditto.
9871 * tree-cfgcleanup.c: Ditto.
9872 * tree-ssa-pre.c: Ditto.
9873 * cfgcleanup.c: Ditto.
9874 * loop-invariant.c: Ditto.
9876 * ipa-prop.c: Ditto.
9877 * print-tree.c: Ditto.
9878 * conflict.c: Ditto.
9879 * ggc-page.c: Ditto.
9880 * sched-deps.c: Ditto.
9881 * regclass.c: Ditto.
9882 * tree-object-size.c: Ditto.
9884 * bb-reorder.c: Ditto.
9885 * resource.c: Ditto.
9886 * var-tracking.c: Ditto.
9888 * df-problems.c: Ditto.
9889 * reg-stack.c: Ditto.
9892 * sched-rgn.c: Ditto.
9893 * tree-ssa-structalias.c: Ditto.
9894 * tree-ssa-reassoc.c: Ditto.
9895 * config/darwin-c.c: Ditto.
9896 * config/darwin.c: Ditto.
9897 * config/arm/arm.c: Ditto.
9899 * collect2.c: Ditto.
9902 2006-01-31 Nicolas Pitre <nico@cam.org>
9904 * arm.md (smaxsi3): Make aware of smax_m1.
9907 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9909 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9911 2006-01-31 Richard Guenther <rguenther@suse.de>
9913 * doc/invoke.texi (-msselibm): Document.
9914 * target.h (expand_library_builtin): New target hook.
9915 * builtins.c (expand_builtin): Use expand_library_builtin.
9916 (default_expand_library_builtin): New function.
9917 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9918 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9919 (link_gcc_math_spec): Declare.
9920 (static_specs): Add link_gcc_math_spec.
9921 * expr.h (default_expand_library_builtin): Declare.
9922 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9923 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9924 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9925 * config/i386/i386.opt (msselibm): New target option.
9926 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9927 (ix86_init_sse_abi_builtins): New function.
9928 (ix86_expand_library_builtin): Likewise.
9929 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9930 (override_options): Handle error conditions wrt -msselibm.
9931 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9932 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9933 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9936 2006-01-31 Richard Guenther <rguenther@suse.de>
9937 Paolo Bonzini <bonzini@gnu.org>
9939 * doc/install.texi (--disable-libgcc-math): Document.
9941 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9943 * expr.h (expand_normal): new inline function.
9944 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9946 * dwarf2out.c: use it.
9951 * config/sparc/sparc.c: use it.
9952 * config/i386/i386.c: use it.
9953 * config/rs6000/rs6000.c: use it.
9954 * config/arm/arm.c: use it.
9955 * config/mips/mips.c: use it.
9956 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9958 2006-01-30 Roger Sayle <roger@eyesopen.com>
9960 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9961 argv to the appropriate type.
9963 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9965 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9968 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9971 * config/s390/s390.c (struct machine_function): New flag
9972 decomposed_literal_pool_addresses_ok_p.
9973 (s390_reorg): Set it before final stage of literal pool transforms.
9974 (s390_decompose_address): Only accept displacements of the form
9975 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9977 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9979 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9980 the comparison routine return.
9982 2006-01-30 Michael Matz <matz@suse.de>
9984 * global.c (find_reg): Only evict for global regs.
9985 Take n_refs into account and dump more info.
9987 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9990 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9991 (pragma_trap, pragma_nosave_low_regs): Likewise.
9992 (current_function_anonymous_args): Likewise.
9993 (sh_deferred_function_attributes): New variable.
9994 (sh_deferred_function_attributes_tail): Likewise.
9995 (print_operand): For '@', look up trap_exit attribute.
9996 (calc_live_regs): Look up trapa_handler attribute. For trapa
9997 handlers, save/restore fpscr, but don't do any other
9998 interrupt-specific saves.
9999 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10000 Fix check for partially saved registers to check for SHmedia.
10001 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10002 (sh_output_function_epilogue): Don't clear any of the removed
10004 (sh_insert_attributes): Don't check pragma_interrupt.
10005 Insert deferred attributes. Check that interrupt attribute is
10006 present for other attributes that require its presence.
10007 (sh_attribute_table): Add new attributes trapa_handler and
10009 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10010 Don't check for pragma_interrupt. Don't store argument.
10011 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10012 (sh_deferred_function_attributes): Declare.
10013 (sh_deferred_function_attributes_tail): Likewise.
10014 * sh.md (sp_switch_1): Add operand. Change generator caller.
10015 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10016 (*return_i): Don't use when trap_exit attribute is in effect.
10017 (*return_trapa): New insn pattern.
10018 * sh-c.c: New file.
10019 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10020 setting c_target_objs and cxx_target_objs.
10021 * t-sh: Add rule for sh-c.o.
10023 2006-01-30 Richard Guenther <rguenther@suse.de>
10026 * gimplify.c (gimplify_target_expr): Handle easy cases
10027 without creating a temporary.
10029 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10031 * vec.h (safe_grow): Remove duplicated line.
10033 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10036 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10037 (expand_omp): ... here.
10038 (expand_omp_parallel): Only remove barriers for combined
10039 parallel+workshare constructs.
10041 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10045 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10046 * tree.c (build_qualified_type): Chain the new type to the original
10047 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10048 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10049 (build_pointer_type_for_mode): Only return unqualified types.
10050 (build_reference_type_for_mode): Likewise.
10052 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10054 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10055 * Makefile.in (CXX_COMPAT_WARN): Define.
10056 * configure: Regenerate.
10058 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10061 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10064 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10066 * toplev.c: Fix thinko.
10068 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10069 Marcin Dalecki <martin@dalecki.de>
10071 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10072 (push_srcloc): Use XNEW.
10073 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10075 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10077 * df-core.c (df_set_blocks): Deleted all variable.
10079 2006-01-28 Ian Lance Taylor <ian@airs.com>
10081 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10082 cgraph_output_pending_asms.
10084 2006-01-28 Zack Weinberg <zackw@panix.com>
10086 * c.opt: Add -W(no-)overlength-strings.
10087 * doc/invoke.texi: Document it.
10088 * c-opts.c (c_common_handle_option): -pedantic implies
10089 -Woverlength-strings, if not explicitly disabled already.
10090 (c_common_post_options): -Woverlength-strings defaults to off, and
10091 is always off for C++.
10092 * c-common.c (fix_string_type): Issue warning about strings longer
10093 than is portable only if warn_overlength_strings. Rearrange code
10094 a little for clarity.
10095 * configure.in: Check for -Wno-overlength-strings as well before
10096 enabling -pedantic in stage 1.
10097 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10098 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10100 * genconditions.c (write_header, write_one_condition)
10101 (write_conditions, write_writer): Consolidate very long strings
10102 that were broken up to fit in C89 portable limit. Don't use
10103 printf when fputs will do.
10105 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10107 * combine.c (simplify_comparison <AND>): Check
10108 TRULY_NOOP_TRUNCATION before start using a subreg.
10110 * config/mips/mips.md (*branch_zero<mode>,
10111 *branch_zero<mode>_inverted, *branch_equality<mode>,
10112 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10113 Remove mode check from comparisons.
10115 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10117 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10119 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10121 * expmed.c (const_mult_add_overflow_p): Remove.
10122 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10124 * recog.c (validate_replace_rtx_subexp): Remove.
10125 * recog.h: Remove the prototype for
10126 validate_replace_rtx_subexp.
10128 * integrate.h: Remove the prototype for
10129 copy_decl_for_inlining.
10130 * rtl.h: Remove the prototype for mark_constant_function.
10131 * tree-vectorizer.h: Remove the prototype for
10132 vect_strip_conversion.
10134 * modulo-sched.c (create_partial_schedule,
10135 free_partial_schedule, reset_partial_schedule): Make them
10138 * hooks.c (hook_bool_rtx_int_false): Remove.
10139 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10141 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10143 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10144 and -mlong-double-128 are incompatible.
10145 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10146 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10147 (TARGET_LIBGCC2_CFLAGS): Define.
10148 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10149 (TARGET_LIBGCC2_CFLAGS): Same.
10150 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10152 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10155 * c-typeck.c (build_binary_op): Perform implicit casts of
10156 operands before shortening them.
10158 * cfgloopmanip.c (split_loop_bb): Remove.
10159 * cfgloop.h: Remove the prototype for split_loop_bb.
10161 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10162 * cfgloop.h: Remove the prototype for
10163 flow_loop_outside_edge_p.
10165 * emit-rtl.c (init_virtual_regs): Make it static.
10166 * function.h: Remove the prototype for init_virtual_regs.
10168 * recog.c (peephole2_optimize): Make it static.
10169 * recog.h: Remove the prototype for peephole2_optimize.
10171 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10173 * df-scan.c (df_record_entry_block_defs): Check if
10174 INCOMING_RETURN_ADDR_RTX is defined.
10176 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10177 Kenneth Zadeck <zadeck@naturalbridge.com>
10179 PR rtl-optimization/24762
10180 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10181 * targhooks.c (hook_void_bitmap): New hook prototype.
10182 * targhoohs.h (hook_void_bitmap): Ditto.
10183 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10184 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10185 * target.h (live_on_entry): New function pointer.
10186 * df-scan.c (df_all_hard_regs): Removed.
10187 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10188 (df_scan_free_internal): Added df->entry_block_defs.
10189 (df_scan_alloc): Ditto.
10190 (df_scan_dump): Ditto.
10191 (df_uses_record): Plumbed flag field properly thru calls.
10192 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10193 This part fixes PR24762.
10194 (df_bb_refs_record): Added code to make the frame and arg
10195 pointers live in EH blocks.
10196 (df_refs_record): Added call to df_record_entry_block_defs.
10197 (df_record_entry_block_defs): New function.
10198 * df-core.c: Added comments to describe new artifical defs.
10199 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10200 (entry_block_defs): New field in struct df.
10201 (df_all_hard_regs): Deleted.
10202 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10203 * df-problems.c (df_ru_bb_local_compute_process_def):
10204 Added code to handle artifical defs in the entry to a function.
10205 (df_ru_bb_local_compute): Ditto.
10206 (df_rd_bb_local_compute_process_def): Ditto.
10207 (df_rd_bb_local_compute): Ditto.
10208 (df_lr_bb_local_compute): Ditto.
10209 (df_ur_bb_local_compute): Ditto.
10210 (df_urec_bb_local_compute): Ditto.
10211 (df_chain_create_bb): Ditto.
10212 (df_ur_local_finalize): Removed entry.
10213 (df_urec_init): Ditto.
10214 (df_urec_local_finalize): Ditto.
10215 (df_ri_bb_compute): Added detection of last use of pseudos.
10216 * Makefile.in (df-scan.o): Updated dependencies.
10217 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10218 * config/mips/mips.c (mips_set_live_on_entry): Added.
10219 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10221 * dce.c (marked_insn_p): Added code to handle artifical defs.
10223 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10225 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10227 (_mm_cvtsi128_si64): Likewise.
10228 (_mm_cvtsd_si64): Likewise.
10229 (_mm_cvttsd_si64): Likewise.
10230 (_mm_cvtsi64_sd): Likewise.
10231 (_mm_cvtsi64_si128): Likewise.
10232 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10233 (_mm_cvtsi64_m64): Likewise.
10234 (_m_to_int64): Likewise.
10235 (_mm_cvtm64_si64): Likewise.
10236 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10237 (_mm_cvttss_si64): Likewise.
10238 (_mm_cvtsi64_ss): Likewise.
10239 (_mm_cvtss_f32): Likewise.
10241 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10243 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10244 for pragma redefine_extname.
10246 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10249 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10250 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10251 -mno-minimal-toc to previous content.
10252 (bispecs): Remove goal.
10253 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10254 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10255 compatibility aliases on powerpc-*-*gnu*.
10256 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10257 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10258 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10259 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10260 (ldblspecs): New goal.
10261 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10262 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10264 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10265 L_sf_to_tf or L_df_to_tf is defined.
10267 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10268 Alan Modra <amodra@bigpond.net.au>
10271 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10272 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10273 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10274 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10275 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10276 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10277 (rs6000_override_options): Initialize rs6000_ieeequad.
10278 Initialize TFmode format to ibm_extended_format if not
10280 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10282 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10283 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10284 (function_arg_advance): IBM long double passed in two FPRs, not
10286 (function_arg): IBM long double passed in FPRs.
10287 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10288 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10289 Only multireg GPR aligned.
10290 (rs6000_init_libfuncs): Enable IBM long double functions if not
10292 (rs6000_generate_compare): Use IBM long double compare if not
10294 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10295 (TARGET_IEEEQUAD): Define.
10296 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10297 not TARGET_IEEEQUAD.
10298 * config/rs6000/rs6000.md: Enable TFmode patterns if
10300 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10301 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10302 and -mlong-double-128 are incompatible.
10303 * doc/invoke.texi (-mabi): Collect options together. Add
10304 ibmlongdouble and ieeelongdouble.
10306 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10308 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10310 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10311 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10312 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10313 * rtl.h (rtunion_def): Remove rt_ptr.
10315 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10316 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10317 * config/i386/winnt.c (i386_pe_mark_dllexport)
10318 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10320 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10322 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10324 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10328 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10329 pthread_key_delete. From John David Anglin. gthrw-ify
10330 pthread_getunique_np only if it it's not a macro. Delete
10332 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10333 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10334 __gthread_objc_condition_signal, __gthread_key_delete): Add
10335 "__attribute__ ((__unused__))" to unused arguments.
10336 (__gthread_recursive_mutex_init_function): Add missing return.
10337 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10338 gthr-posix95.h: Use macro-based approach for name redirection
10339 on targets missing weakref.
10341 2006-01-26 Zack Weinberg <zackw@panix.com>
10343 * genconditions.c (write_header): In generated code, #ifdef out
10344 all includes and fake declarations, except includes of bconfig.h
10345 and system.h, unless GCC_VERSION >= 3001. Do not include
10346 gensupport.h in any case.
10347 (write_conditions): Generate a definition of struct c_test. Add
10348 a comment to the generated #endif.
10349 (write_one_condition): Escape backslashes in string too.
10350 (write_writer): Generated code must escape backslashes and quote
10351 marks (but not newlines) in the strings it writes.
10352 * Makefile.in (build/gencondmd.o): Update dependencies.
10354 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10357 * Makefile.in (insn-automata.o): Add header file dependencies.
10358 * genautomata.c: Add includes.
10360 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10363 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10365 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10367 * configure.ac: Expect target tools paths to be passed from the toplevel
10368 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10370 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10372 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10375 * c.opt (Wpointer-sign): Init to -1.
10376 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10377 OPT_pedantic, to 0 otherwise.
10378 * doc/invoke.texi: Update.
10380 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10382 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10383 constants provided by 80387 instructions in the destination mode.
10385 2006-01-26 Richard Guenther <rguenther@suse.de>
10386 Andrew Pinski <pinskia@physics.uc.edu>
10389 partial PR tree-opt/17064
10390 * tree-ssa-structalias.c (intra_create_variable_infos):
10391 Create heap variables for incoming parameters if
10392 flag_argument_noalias > 1.
10393 (find_what_p_points_to): Look through default defs of
10396 2006-01-26 Jeff Law <law@redhat.com>
10399 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10400 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10401 within the VR_RANGE, use the VR_RANGE as the result, not the
10403 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10404 bounds for the type.
10406 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10408 * tree-ssa-alias.c (maybe_create_global_var): Change
10409 subvar walking to an assertion that we don't have subvar'd variables.
10411 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10414 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10415 Use a new variable, inner. PARM_DECLs are always non-weak.
10417 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10419 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10420 --disable-checking.
10422 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10424 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10426 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10428 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10429 (smax_insn, smin_insn, smax_0, smin_0): New.
10431 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10434 * config/cris/cris.c (cris_order_for_addsi3): New function.
10435 * config/cris/cris-protos.h: Prototype it.
10436 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10437 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10438 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10439 (split for "op.S1 [rx=rx+i],ry (swapped)")
10440 (split for "op(s|u).S1 [rx=rx+i],ry")
10441 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10442 Apply cris_order_for_addsi3 when generating addsi3 insns.
10444 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10446 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10447 (TREE_BLOCK): Add call to EXPR_CHECK.
10449 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10452 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10453 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10454 (dump_omp_clauses): ... here.
10455 (dump_generic_node): Handle OMP_CLAUSE.
10456 * tree.c (omp_clause_num_ops): New.
10457 (omp_clause_code_name): New.
10458 (tree_code_size): Handle OMP_CLAUSE.
10459 (tree_size): Likewise.
10460 (make_node): Document handling of OMP_CLAUSE.
10461 (tree_node_structure): Handle OMP_CLAUSE.
10462 (omp_clause_check_failed): New.
10463 (omp_clause_range_check_failed): New.
10464 (omp_clause_operand_check_failed): New.
10465 (build_omp_clause): New.
10466 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10467 * tree.h (enum omp_clause_code): Declare.
10468 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10469 (OMP_CLAUSE_RANGE_CHECK): Define.
10470 (OMP_CLAUSE_ELT_CHECK): Define.
10471 (omp_clause_check_failed): Declare.
10472 (omp_clause_operand_check_failed): Declare.
10473 (omp_clause_range_check_failed): Declare.
10474 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10475 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10476 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10477 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10478 (OMP_CLAUSE_IF_EXPR): Likewise.
10479 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10480 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10481 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10482 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10483 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10484 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10485 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10486 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10487 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10488 (OMP_CLAUSE_CODE): Define.
10489 (OMP_CLAUSE_SET_CODE): Define.
10490 (OMP_CLAUSE_CODE): Define.
10491 (OMP_CLAUSE_OPERAND): Define.
10492 (struct tree_omp_clause): Declare.
10493 (union tree_node): Add field 'omp_clause'.
10494 * treestruct.def (TS_OMP_CLAUSE): Define.
10495 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10496 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10497 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10498 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10499 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10500 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10501 (OMP_CLAUSE): Define.
10502 * print-tree.c (print_node): Handle OMP_CLAUSE.
10503 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10504 * c-typeck.c: Likewise.
10505 * gimplify.c: Likewise.
10506 * c-omp.c: Likewise.
10507 * tree-nested.c: Likewise.
10508 * tree-inline.c: Likewise.
10509 * c-parser.c: Likewise.
10510 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10513 2006-01-25 Roger Sayle <roger@eyesopen.com>
10515 PR rtl-optimization/25703
10516 * combine.c (try_combine): Handle zero_extract and strict_low_part
10517 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10519 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10521 * global.c: Fix comment typos.
10523 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10526 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10527 Use output_addr_const instead of assemble_name.
10529 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10531 * Makefile.in (sched-vis.o): Update dependencies.
10532 * haifa-sched.c (sched_finish): Clear current_sched_info.
10533 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10534 (dump_flow_info): Call it.
10535 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10537 * basic-block.h (dump_bb_info): Declare.
10538 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10539 option, and apply options only for dump files whose TDF_RTL,
10540 TDF_TREE, or TDF_IPA bits match.
10541 * rtl.h: Declare new functions exported from sched-vis.c.
10542 * sched-vis.c: Enable also if scheduling is not used.
10543 (print_value): Print the mode of registers if not inside scheduling.
10544 (print_insn): Make it work outside the scheduler. Beautify the output
10546 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10548 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10550 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10551 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10552 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10553 depending on the value of CONSTANT_POOL_ADDRESS_P.
10554 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10556 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10557 rather than SYMBOL_REF_DECL.
10558 (rtx_constant_pool): Remove const_rtx_sym_htab.
10559 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10560 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10561 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10562 Remove handling of const_rtx_sym_htab.
10563 (find_pool_constant): Delete.
10564 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10565 rather than find_pool_constant.
10566 (get_pool_constant_for_function): Delete.
10567 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10568 find_pool_constant.
10569 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10570 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10571 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10572 (SYMBOL_REF_CONSTANT): New macro.
10573 (get_pool_constant_for_function): Delete.
10574 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10575 rather than SYMBOL_REF_DECL.
10576 (i386_pe_mark_dllimport): Likewise.
10577 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10578 rather than SYMBOL_REF_DECL.
10579 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10580 (machopic_indirect_call_target): Likewise.
10582 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10584 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10586 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10588 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10590 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10592 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10594 2006-01-24 David Daney <ddaney@avtrex.com>
10597 * configure.ac (enable_tls): New enable option.
10598 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10599 * configure: Regenerate.
10600 * doc/install.texi (--enable-tls): Document new option.
10601 (--disable-tls): Ditto.
10603 2006-01-24 Richard Henderson <rth@redehat.com>
10605 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10606 * alias.c (true_dependence): Respect it.
10607 (canon_true_dependence, write_dependence_p): Likewise.
10608 * builtins.c (get_builtin_sync_mem): Set it.
10610 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10612 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10615 2006-01-24 DJ Delorie <dj@redhat.com>
10617 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10618 for storing constants in single-bit bitfields.
10620 2006-01-25 Ben Elliston <bje@au.ibm.com>
10622 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10624 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10627 * tree-ssa-pre.c (phi_translate): Return NULL
10628 for AGGREGATE_TYPE's.
10630 2006-01-24 Zack Weinberg <zackw@panix.com>
10632 * genautomata.c (process_state_for_insn_equiv_partition):
10633 Use xcalloc for insn_arcs_array.
10634 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10635 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10637 2006-01-24 Richard Henderson <rth@redhat.com>
10639 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10640 update all callers.
10642 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10644 PR rtl-optimization/25890
10645 PR rtl-optimization/25905
10646 * combine.c (expand_compound_operation, expand_field_assignment):
10647 Fail if the bitfield's final position is out of bounds.
10649 2006-01-24 Ian Lance Taylor <ian@airs.com>
10651 PR middle-end/25930
10652 * cgraphunit.c (cgraph_output_in_order): Don't clear
10653 cgraph_asm_nodes until after asm strings have been output.
10655 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10657 * fix-header.c (read_scan_file): Add new parameter imultilib when
10658 calling register_include_chains.
10660 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10662 * omp-low.c: Update documentation.
10664 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10665 Daniel Berlin <dberlin@dberlin.org>
10669 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10670 return from the function.
10672 2006-01-22 Zack Weinberg <zackw@panix.com>
10674 * rtl.def (match_code): Add second argument.
10675 * genpreds.c (write_extract_subexp): New function.
10676 (write_match_code): Add path argument. Use write_extract_subexp.
10677 (write_predicate_expr): Pass path to write_match_code.
10678 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10679 not perform a mode test.
10680 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10681 a subexpression does not constrain the top-level code set.
10682 * read-rtl.c (read_rtx_variadic): New function.
10683 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10684 * doc/md.texi: Document new notation.
10685 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10686 (cmpsi_operand): ... here, using new notation.
10688 2006-01-22 Zack Weinberg <zackw@panix.com>
10690 * varray.c: Remove GENERATOR_FILE #ifdefs.
10692 2006-01-22 Zack Weinberg <zackw@panix.com>
10694 * genautomata.c (output_reserved_units_table): Emit nothing if
10695 description->query_units_num is zero. Remove extra blank line.
10696 (output_cpu_unit_reservation_p): Short circuit
10697 if description->query_units_num is zero.
10699 2006-01-22 Zack Weinberg <zackw@panix.com>
10701 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10702 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10703 nor any of the random handful of variables that used to be necessary
10704 when this program was linked with rtlanal.o. Prune set of forward
10705 function declarations.
10706 (struct attr_desc): Remove static_p field.
10707 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10708 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10709 (attr_string): Do not read the character one past the length of
10711 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10712 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10713 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10714 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10715 (make_automaton_attrs): New.
10716 (main): Do not call into genautomata. Call local gen_bypass
10717 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10718 Remove special case for insn_alts.
10719 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10720 varray.h (leftover from previous change). Prune set of forward
10721 function declarations. Remove state_alts fields from all
10722 structures. Remove state_alts_table from struct automaton.
10723 Make everything except main static. Do not maintain num_dfa_decls.
10724 Do not maintain state_alts fields of various structures.
10725 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10726 (add_arc): Remove state_alts argument. All callers updated.
10727 (output_reserved_units_table): Emit #ifdef here...
10728 (output_tables): ...not here. Don't generate state_alts tables.
10729 (expand_automata): Don't generate attributes.
10730 (write_automata): Don't generate state_alts functions.
10731 (main): New function.
10732 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10733 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10734 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10735 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10736 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10737 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10738 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10739 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10741 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10742 * genattrtab.h: Delete file.
10743 * Makefile.in (OBJS-common): Add insn-automata.o.
10744 (insn-automata.o): New rule.
10745 (simple_generated_c): Add insn-automata.c.
10746 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10747 (genprogmd): Add automata.
10748 (build/genattrtab): Needs no extra objects nor libraries.
10749 (build/genautomata): Needs build/vec.o and -lm.
10751 2006-01-22 Zack Weinberg <zackw@panix.com>
10753 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10754 (output_dfa_max_issue_rate, locked_states_num): Delete.
10755 (struct automaton): Add locked_states field.
10756 (output_dead_lock_vect): Save number of locked states in
10757 automaton->locked_states. If it is zero, don't print anything.
10758 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10759 (output_internal_dead_lock_func): Only test the dead_lock_vect
10760 for automata that have locked states.
10761 (output_statistics): Always print the number of locked states for
10762 each automaton. Calculate total number of locked states here.
10763 (write_automata): Don't call output_dfa_max_issue_rate.
10764 * genattrtab.c: Define length_unit_log as a const variable.
10765 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10766 max_insn_queue_index const.
10767 * final.c (length_unit_log): Declare const.
10768 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10770 2006-01-22 Zack Weinberg <zackw@panix.com>
10772 * genautomata.c: Include vec.h, not varray.h.
10773 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10774 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10775 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10776 VEC_* macros operating on appropriately typed vectors, or to
10777 malloced arrays when the size is known in advance. Const-ify
10778 many char* variables and function arguments. No functional changes.
10779 * Makefile.in (build/varray.o): Delete rule.
10780 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10781 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10783 2006-01-22 Zack Weinberg <zackw@panix.com>
10785 * gensupport.c: Define get_insn_name and record_insn_name here.
10786 (read_md_rtx): Call record_insn_name as appropriate.
10787 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10788 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10789 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10791 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10792 (BUILD_VARRAY): Delete.
10793 (genprognormal): Rename genprogmd. Fold in all programs from
10794 genprognoprint; also attrtab.
10795 (build/genattrtab): Just mention genautomata.o and varray.o.
10796 Reorganize a bit, add comments to make the categories clearer.
10798 2006-01-22 Zack Weinberg <zackw@panix.com>
10800 * genconditions.c (condition_table, add_condition): Delete.
10801 (write_conditions): Don't emit n_insn_conditions nor
10802 insn_elision_unavailable. Issue the gcc version #ifdef here,
10803 inside the table, with no #else clause ...
10804 (write_header): ...not here.
10805 (write_writer): New function.
10806 (main): Don't initialize condition_table. Use add_c_test.
10808 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10809 files on the command line.
10810 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10811 Return -1 if there is no entry in the table, don't abort.
10812 (add_c_test, traverse_c_tests): New functions.
10813 * gensupport.h (insn_elision_unavailable, insn_conditions)
10814 (n_insn_conditions): Delete declarations.
10815 (add_c_test, traverse_c_tests): Declare.
10816 * read-rtl.c: Include gensupport.h.
10817 (read_conditions): New function.
10818 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10819 (read_rtx_1): If we get EOF when we were looking for an initial
10820 open paren, return 0. Call read_conditions when appropriate.
10821 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10822 dummy-conditions.o. Eliminate references to insn-conditions.o,
10823 or change them to build/gencondmd.o, as appropriate. Remove
10824 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10825 from $(simple_generated_c). For all files remaining in those
10826 two lists, add insn-conditions.md to the generator command line.
10827 Give insn-constants.h/s-constants their own rules. Add rules
10828 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10829 (build/read-rtl.o): Depend on gensupport.h.
10830 (genprognormal): Include preds.
10831 (genprogearly): Rename genprognoprint; only difference is now that
10832 they don't link with $(BUILD_PRINT).
10833 * dummy-conditions.c: Delete.
10835 2006-01-22 Zack Weinberg <zackw@panix.com>
10837 * genextract.c: Don't include insn-config.h. Do include vec.h.
10838 Declare vectors of int, char, and locstr.
10839 (locstr): New typedef.
10840 (struct extraction): Make all array fields into bare pointers.
10841 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10842 (insn_code_number): Delete.
10843 (accum_extract): New struct.
10844 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10845 (gen_insn): Take insn_code_number as an argument. Use an
10846 accum_extract structure instead of loading data directly into
10847 a struct extraction, and having to know how big it might get.
10848 (walk_rtx): Operate entirely on an accum_extract structure.
10849 (print_path): Avoid unnecessary use of printf.
10850 (print_header): New function, split out of main. Distinguish
10851 more carefully between an unrecognizable insn and an insn that
10852 has the code number of a define_expand.
10853 (main): Pass insn_code_number to gen_insn. Call print_header
10854 only after parsing. Avoid unnecessary use of printf.
10855 * Makefile.in (build/vec.o): New rule.
10856 (build/genextract): Depend on build/vec.o.
10857 (build/genextract.o): Don't depend on insn-config.h.
10859 2006-01-22 Zack Weinberg <zackw@panix.com>
10861 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10862 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10863 practical. Eliminate per-generator-program link rules.
10865 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10867 PR middle-end/24437
10868 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10869 with a call expr to ...
10870 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10872 2006-01-23 Richard Guenther <rguenther@suse.de>
10874 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10875 before make_edge with conditional EDGE_TRUE_VALUE.
10877 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10878 Jan Hubicka <jh@suse.cz>
10879 Richard Guenther <rguenther@suse.de>
10881 PR rtl-optimization/25654
10882 * cfgexpand.c (aggregate_contains_union_type): New function.
10883 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10884 for structure variables that contain a union type.
10886 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10888 * gengtype.c (new_structure): Return the structure.
10889 (create_option): Add an extra "next" argument.
10890 (create_field): New function.
10891 (adjust_field_rtx_def): Use create_option and create_field.
10892 Remove a now-unnecessary call to find_structure.
10893 (adjust_field_tree_def): Likewise.
10894 (note_yacc_type): Remove an unnecessary call to find_structure.
10895 * gengtype.h (new_structure): Return the structure.
10896 (create_option): Add an extra argument.
10897 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10898 (option): Adjust calls to create_option.
10900 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10902 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10904 2006-01-22 Paul Brook <paul@codesourcery.com>
10905 Peter Barada <peter@the-baradas.com>
10907 * config/m68k/m68k.md: Add Coldfire FPU support.
10908 Define FP mode macro and associated attributes.
10909 Use it for float mode patterns.
10910 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10911 (LIBCALL_VALUE): Use m68k_libcall_value.
10912 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10913 (m68k_function_value): Ditto.
10914 (emit_move_sequence): Ditto.
10915 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10916 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10917 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10918 (MULTILIB_EXCEPTIONS): Ditto.
10919 * config/m68k/m68k.opt: Add mcfv4e.
10920 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10921 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10922 (m68k_output_function_prologue): Save ColdFire FPU registers.
10923 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10924 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10925 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10926 ColdFire FPU registers.
10927 (m68k_libcall_value, m68k_function_value): New functions.
10928 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10929 (LIBCALL_VALUE): Use m68k_libcall_value.
10930 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10931 (MASK_COLDFIRE): Add MASK_CFV4E.
10932 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10933 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10934 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10935 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10936 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10937 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10938 * doc/invoke.tex: Document -mcfv4e on m68k.
10940 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10942 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10945 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10948 * c-opts.c (c_common_handle_option): Don't include
10949 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10950 * doc/invoke.texi (C++ Dialect Options): Document that
10951 -Wnon-virtual-dtor is no longer included in -Wall.
10953 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10955 * gcov.c (print_version), gcov-dump.c (print_version),
10956 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10959 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10961 * df-scan.c (problem_SCAN): Added NULL reset function.
10962 (df_scan_reset_blocks): Added code to call reset block function
10963 (df_bb_refs_delete) Fixed comment.
10964 (df_insn_refs_delete): Made tolerant of deleting non existent info
10965 for dataflow problems that need to be reset.
10966 * df-core.c (df_set_blocks): Ditto.
10967 * df.h (struct df_problem): Added reset_fun.
10968 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10969 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10970 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10971 functions to clear out all references to def-use or use-def chains.
10973 2006-01-21 Ben Elliston <bje@au.ibm.com>
10975 * varasm.c (assemble_real): Initialise data array.
10977 2006-01-20 Paul Brook <paul@codesourcery.com>
10979 Merge from csl-arm-branch.
10980 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10981 * config/arm/arm.md (movdi): Force operands[1] to a register
10982 if we have a non-register source.
10983 (*arm_movdi, *movdf_soft_insn): Require that one of the
10984 operands be a register.
10985 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10986 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10988 2006-01-20 DJ Delorie <dj@redhat.com>
10990 * varasm.c (initializer_constant_valid_p): Allow pointers
10991 initialized from integer constants of lesser precision.
10992 (output_constant): Allow non-int-sized pointer modes to be
10993 initialized from integer constants.
10995 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10998 * cppdefault.h (struct default_include): Add multilib flag.
10999 * cppdefault.c (cpp_include_defaults): Set it.
11000 * c.opt (-imultilib): New option.
11001 * c-opts.c (imultilib): New.
11002 (c_common_handle_option): Handle -imultilib.
11003 (c_common_post_options): Likewise.
11004 * c-incpath.c (add_standard_paths, register_include_chains):
11006 * c-incpath.h (register_include_chains): Add extra parameter.
11007 * gcc.c (do_spec_1): Generate -imultilib option.
11008 (The Specs Language): Update %I description.
11009 (process_command): Update copyright notice.
11010 * doc/cppopts.texi (-imultilib): Document.
11011 * doc/invoke.texi (-imultilib): Include in option summary.
11012 (%I): Update specs documentation.
11014 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11016 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11018 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11020 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11023 2006-01-20 Richard Guenther <rguenther@suse.de>
11024 Steven Bosscher <stevenb.gcc@gmail.com>
11026 PR rtl-optimization/24626
11027 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11028 EDGE_TRUE_VALUE if in RTL mode.
11031 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11032 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11034 2006-01-20 Dirk Mueller <dmueller@suse.com>
11037 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11038 instead of a special NOP marker.
11039 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11040 NOP marker handling.
11041 * c-common.h (empty_body_warning): Add forward declaration.
11042 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11043 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11045 2006-01-20 Paul Brook <paul@codesourcery.com>
11047 * Makefile.in (lang_checks): Keep going if mkdir fails.
11049 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11051 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11052 be able to clean out basic block when not necessary.
11053 (df_scan_free): Fixed to properly delete information if df is
11054 unused before calling df_finish.
11055 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11056 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11058 (df_bb_refs_delete): New function.
11059 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11060 * df-core.c (df_set_blocks): Added code to properly clean out
11061 unused blocks if they are not part of the blocks to consider.
11062 Added additional null check.
11063 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11064 be able to clean out basic block when not necessary
11065 * df.h (df_free_bb_function): Ditto.
11066 (df_bb_refs_delete): New function.
11067 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11068 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11069 basic block parameter to be able to clean out basic block when not
11071 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11072 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11073 Fixed to properly delete information if df is unused before
11076 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11078 PR rtl-optimization/25799
11079 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11080 Corrected confluence operator to remove bits from op2 before oring
11081 with op1 rather than removing bits from op1.
11082 (df_ru_transfer_function): Corrected test on wrong bitmap which
11083 caused infinite loop. Both of these problems were introduced in
11084 the dataflow rewrite.
11086 2006-01-19 DJ Delorie <dj@redhat.com>
11088 * reload1.c (find_reload_regs): Note the details of reload
11089 failures in the dump file.
11090 (spill_failure): Likewise.
11092 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11094 * loop-iv.c: Include df.h and hashtab.h.
11095 (enum iv_grd_result): New enum.
11096 (DF_REF_IV, DF_REF_IV_SET): New macros.
11097 (struct biv_entry): New.
11098 (df, bivs): New global variables.
11099 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11100 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11102 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11103 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11104 analyzed_for_bivness_p, record_biv): New functions.
11105 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11106 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11107 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11109 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11111 (iv_number_of_iterations): Use new interface to iv analysis.
11112 * loop-unroll.c: Do not include varray.h.
11113 (analyze_iv_to_split_insn): Use new interface to iv
11115 * loop-unswitch.c (may_unswitch_on): Ditto.
11116 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11118 (df_bb_modify): Realloc tables to the new index.
11119 (df_find_use): New function.
11120 * df.h (df_find_use): Declare.
11121 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11123 * cfgloop.h (struct rtx_iv): Remove analysed field.
11124 (iv_get_reaching_def): Removed.
11125 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11126 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11127 (loop-iv.o): Add df.h and hashtab.h dependency.
11128 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11130 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11133 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11135 (__floatundisf, __floatundidf): Likewise.
11136 * libgcc2.h (IS_IBM_EXTENDED): Define.
11138 2006-01-19 DJ Delorie <dj@redhat.com>
11140 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11142 2006-01-19 Paul Brook <paul@codesourcery.com>
11144 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11145 as nothrow when unwinding tables are disabled.
11147 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11150 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11151 of bit-field" when in system header.
11153 2006-01-19 DJ Delorie <dj@redhat.com>
11155 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11156 the 16 bit shift limit of the m16c.
11158 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11161 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11162 * config/i386/i386.c (output_set_got): Output the label if we have one
11163 for the TARGET_DEEP_BRANCH_PREDICTION case.
11165 2006-01-19 Jan Hubicka <jh@suse.cz>
11166 H.J. Lu <hongjiu.lu@intel.com>
11167 Evandro Menezes <evandro.menezes@amd.com>
11169 * invoke.texi (generic): Document
11171 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11172 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11173 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11174 (x86_use_incdec, x86_pad_returns): New variables
11175 (TARGET_CPU_DEFAULT_generic): New constant
11176 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11177 (enum processor_type): Add generic32 and generic64.
11178 * i386.md (cpu attribute): Add generic32/generic64
11179 (movhi splitter): Behave sanely when both partial_reg_dependency and
11180 partial_reg_stall are set.
11181 (K8 splitters): Enable for generic as well.
11182 * predicates.md (incdec_operand): Use TARGET_INCDEC
11183 (aligned_operand): Avoid memory mismatch stalls.
11184 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11185 * ppro.md: Enable for generic32
11186 * i386.c (generic64_cost, generic32_cost): New.
11187 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11188 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11189 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11190 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11191 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11192 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11193 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11194 x86_accumulate_outgoing_args, x86_prologue_using_move,
11195 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11196 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11197 Enable for generic.
11198 (x86_use_incdec, x86_pad_returns): New.
11199 (override_options): Add generic32 and generic64, translate "generic"
11200 to generic32/generic64 and "i686" to "generic32", refuse
11201 "generic32"/"generic64" as arch target.
11202 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11203 (ix86_reorg): Honor PAD_RETURNS.
11205 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11207 * tree-pretty-print.c (dump_generic_node): Handle
11208 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11209 * cgraph.c (cgraph_expand_queue): Rename from
11210 cgraph_analyze_queue. Update all users.
11211 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11212 cgraph_expand_queue.
11213 (cgraph_expand_all_functions): Likewise.
11214 (cgraph_finalize_pending_functions): Remove. Update callers.
11216 * tree.h (OMP_DIRECTIVE_P): Define.
11217 (OMP_PARALLEL_FN): Define.
11218 (OMP_PARALLEL_DATA_ARG): Define.
11219 (OMP_SECTIONS_SECTIONS): Define.
11220 * tree-pass.h (pass_expand_omp): Declare.
11221 * omp-low.c (struct omp_region): Declare.
11222 (struct omp_context): Remove fields 'parallel_type',
11223 'parallel_start_ix' and 'parallel_start_additional_args'.
11225 (struct omp_for_data): Rename from struct expand_omp_for_data.
11226 (omp_regions): New static variable.
11227 (root_omp_region): New static variable.
11228 (find_omp_clause): Make static.
11229 (is_in_combined_parallel_ctx): Remove.
11230 (is_combined_parallel): New.
11231 (extract_omp_for_data): Move earlier in the file.
11232 (workshare_safe_to_combine_p): New.
11233 (get_ws_args_for): New.
11234 (determine_parallel_type): Move earlier in the file.
11235 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11237 (omp_copy_decl): Likewise.
11238 (create_omp_child_function): Likewise.
11239 (lookup_omp_region): New.
11240 (dump_omp_region): New.
11241 (debug_omp_region): New.
11242 (debug_all_omp_regions): New.
11243 (new_omp_region): New.
11244 (scan_omp_parallel): If parallel_nesting_level > 1, the
11245 directive is nested within another parallel directive.
11246 Set OMP_PARALLEL_FN.
11247 (scan_omp_for): Do not try to handle combined parallel+for
11249 Remove FIXME comment.
11250 (scan_omp_nested): Remove.
11251 (scan_omp_1): Do not call scan_omp_nested when
11252 parallel_nesting_level is > 1.
11253 Do not change the DECL_CONTEXT of local variables found.
11254 (lookup_decl_in_outer_ctx): New.
11255 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11256 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11257 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11258 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11259 If CTX is nested, lookup VAR in the outer context when
11260 building copy assignment.
11261 (lower_send_clauses): Rename from expand_send_clauses.
11262 If CTX is nested, lookup VAR in the outer context when
11263 building copy assignments.
11264 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11265 If CTX is nested, lookup VAR in the outer context when
11266 building copy assignments.
11267 (expand_parallel_call): Rename from build_parallel_call.
11268 Handle combined parallel+workshare cases.
11269 Re-implement to emit code into the CFG.
11271 (expand_omp_parallel): Re-implement to emit code into the CFG.
11272 Call move_sese_region_to_fn to outline the sub-graph
11273 containing the parallel region.
11274 (expand_omp_for_1): Remove.
11275 (expand_omp_for_generic): Re-implement to emit code into the
11277 (expand_omp_for_static_nochunk): Likewise.
11278 (expand_omp_for_static_chunk): Likewise.
11279 (expand_omp_for): Likewise.
11280 (expand_omp_sections): Likewise.
11281 (remove_exit_barriers): New.
11282 (expand_omp_synch): New.
11284 (build_omp_regions_1): New.
11285 (build_omp_regions): New.
11286 (execute_expand_omp): New.
11287 (gate_expand_omp): New.
11288 (pass_expand_omp): Define.
11289 (lower_omp_sections): Rename from expand_omp_sections.
11290 Set OMP_SECTIONS_SECTIONS.
11291 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11292 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11293 (lower_omp_single): Rename from expand_omp_simple.
11294 (lower_omp_master): Rename from expand_omp_master.
11295 (lower_omp_ordered): Rename from expand_omp_ordered.
11296 (lower_omp_critical): Rename from expand_omp_critical.
11297 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11298 (lower_omp_for): Re-implement.
11299 (lower_omp_parallel): Re-implement.
11300 (lower_regimplify): Rename from expand_regimplify.
11301 (lower_omp_1): Rename from expand_omp_1.
11302 If there are syntax errors in the program, replace every
11303 OpenMP directive with NOP.
11304 Call lower_omp_* instead of expand_omp_*.
11305 (lower_omp): Rename from expand_omp.
11307 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11308 * tree-gimple.h (enum omp_parallel_type): Remove.
11309 (gimple_boolify): Declare extern.
11310 (find_omp_clause, determine_parallel_type): Remove.
11312 * gimple-low.c (lower_omp_directive): New.
11313 (lower_stmt): Call it.
11314 (record_vars_into): Move from ...
11315 (record_vars): ... here.
11316 Call record_vars_into with current_function_decl.
11318 * gimplify.c (struct gimplify_ctx): Remove fields
11319 combined_pre_p and combined_ctxp. Update users.
11320 (get_formal_tmp_var): Add documentation.
11321 (gimple_boolify): Make extern.
11322 (gimplify_expr_in_ctx): Remove. Update callers.
11323 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11324 will always be a BIND_EXPR.
11325 (gimplify_expr): Handle OMP_RETURN_EXPR.
11326 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11327 (OMP_PARALLEL): Add 3 operands.
11328 (OMP_SECTIONS): Add 1 operand.
11329 (OMP_RETURN_EXPR): Define.
11331 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11332 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11333 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11334 creating a circular free list.
11335 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11337 * tree-flow.h (move_sese_region_to_fn): Declare.
11338 (record_vars_into): Declare.
11339 * tree-cfg.c (make_omp_sections_edges): New.
11340 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11341 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11342 OMP_SECTIONS and OMP_SECTION.
11343 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11344 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11345 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11346 (gather_blocks_in_sese_region): New.
11347 (struct move_stmt_d): Declare.
11348 (move_stmt_r): New.
11349 (move_block_to_fn): New.
11350 (move_sese_region_to_fn): New.
11352 * passes.c (init_optimization_passes): Schedule
11353 pass_expand_omp after pass_init_datastructures.
11355 * tree-ssa-operands.c (get_expr_operands): Handle
11356 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11357 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11359 2006-01-19 Jeff Law <law@redhat.com>
11361 * tree-vrp.c (extract_range_from_assert): Refine the result range
11362 if the variable referenced by the ASSERT_EXPR has a range and
11363 either the tentative result range or the previous range is a
11366 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11368 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11370 2006-01-19 Jan Hubicka <jh@suse.cz>
11372 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11374 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11376 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11377 (expand_compound_operation, expand_field_assignment): Fail if the
11378 bit lengths of an extract operation are out of range.
11379 (make_extraction): Compute wanted_inner_mode based on the position
11380 and length of the extraction. Make it extraction_mode for non-constant
11381 positions, and do not modify offset in that case. When generating a
11382 new MEM, use a mode that can hold the extraction while keeping correct
11383 alignment. Remove code that supported MEMs wrapped by USEs.
11384 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11386 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11388 * config/s390/s390.md ("Y", "y"): New mode attribute.
11389 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11390 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11391 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11392 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11393 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11394 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11395 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11396 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11397 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11398 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11399 "addsi3", "subsi3"): Insn patterns removed.
11400 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11401 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11402 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11403 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11404 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11405 "*sub<mode>3_cconly2"): New insn patterns.
11406 ("addsi3", "subsi3"): New expanders.
11408 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11410 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11411 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11412 existing STMT_VINFO_VECTYPE if available.
11413 (vect_mark_relevant): Add special handling for stmts that are
11414 marked as STMT_VINFO_IN_PATTERN_P.
11415 (vect_analyze_loop): Call vect_pattern_recog.
11416 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11417 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11419 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11420 (vect_recog_func_ptr): New function-pointer type.
11421 * tree-vect-patterns.c: New file.
11422 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11423 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11424 (vect_pattern_recog_1): New functions.
11425 (vect_pattern_recog_funcs): New array of function pointers.
11427 * tree-vectorizer.h (ternary_op): New enum value.
11428 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11429 declaration. Revised documentation. Removed redundant dump prints.
11430 Removed redundant argument. Added support for reduction patterns.
11431 (vectorizable_reduction): Added support for reduction patterns.
11432 (vect_transform_stmt): Added support for patterns.
11434 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11435 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11436 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11437 (expand_widen_pattern_expr): New function.
11438 (init_optabs): Initialize new optabs udot_prod_optab,
11440 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11441 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11442 (expand_widen_pattern_expr): New function declaration.
11443 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11445 * tree-inline.c (estimate_num_insns_1): Added cases for new
11446 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11447 * tree-pretty-print.c (dump_generic_node): Likewise.
11448 (op_prio): Likewise.
11449 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11450 * tree-ssa-operands.c (get_expr_operands): Added case for
11452 * tree-vect-patterns.c (widened_name_p): New function.
11453 (vect_recog_dot_prod_pattern): Added function implementation.
11454 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11455 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11456 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11457 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11459 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11460 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11461 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11462 (init_optabs): Initialize new optabs widen_ssum_optab,
11464 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11465 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11466 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11467 use instead of type of def.
11468 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11469 function implementation.
11470 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11471 widen_ssumv8hi): New.
11473 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11476 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11479 * c-decl.c (add_flexible_array_elts_to_size): New function.
11480 (finish_decl): Use it.
11482 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11484 * diagnostic.h: Include options.h.
11485 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11486 dependancies for diagnostic.h.
11487 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11489 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11491 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11492 (ssa_ro_call_cache_valid): Ditto.
11493 * tree-ssa-alias.c (sort_tags_by_id): New function.
11494 (init_transitive_clobber_worklist): Ditto.
11495 (add_to_worklist): Ditto.
11496 (mark_aliases_call_clobbered): Ditto.
11497 (compute_tag_properties): Ditto.
11498 (set_initial_properties): Ditto.
11499 (compute_call_clobbered): Ditto.
11500 (compute_may_aliases): Call compute_call_clobbered and grouping.
11501 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11502 (compute_flow_insensitive_aliasing): Grouping now happens in our
11504 (setup_pointers_and_addressables): Remove clobbering related code.
11505 (add_may_alias): Ditto.
11506 (replace_may_alias): Ditto.
11507 (get_nmt_for): Ditto.
11508 (create_global_var):
11509 (is_escape_site): Return an escape_type enumeration.
11510 * tree-flow-inline.h (is_call_clobbered): Global var does not
11511 imply call clobbered.
11512 (mark_call_clobbered): Take a reason for marking this. Remove
11513 marking of globalness, and cache invalidation.
11514 (clear_call_clobbered): Remove cache invalidation code.
11515 * tree-dfa.c (dump_variable): If details is on, dump the reason
11517 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11519 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11520 (struct var_ann_d): Ditto.
11521 (enum escape_type): New.
11522 (mark_call_clobbered): Adjust prototype.
11523 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11524 are never call clobbered.
11525 Record reasons for escaping.
11526 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11527 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11528 (ssa_ro_call_cache_valid): Ditto.
11529 (clobbered_v_may_defs): Ditto.
11530 (clobbered_vuses): Ditto.
11531 (ro_call_vuses): Ditto.
11532 (clobber_stats): New.
11533 (init_ssa_operands): Zero out clobber stats.
11534 (fini_ssa_operands): Print out clobber stats.
11535 (get_call_expr_operands): Pass callee fndecl to
11536 add_call_read_ops).
11537 (add_call_clobber_ops): Remove use of cache.
11538 Add use of PURE_CONST information.
11539 (add_call_read_ops): Remove use of cache.
11540 Add use of static not_read information.
11542 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11544 Introduce TLS descriptors for i386 and x86_64.
11545 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11546 (TARGET_ANY_GNU_TLS): New macro.
11547 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11548 (struct machine_function): Add tls_descriptor_call_expanded_p.
11549 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11550 (ix86_current_function_calls_tls_descriptor): Likewise.
11551 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11552 (override_options): Introduce gnu2 tls dialect.
11553 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11555 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11557 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11558 (ix86_init_machine_status): Initialize new field.
11559 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11560 (ix86_tls_module_base): New.
11561 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11562 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11563 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11564 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11565 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11566 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11567 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11568 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11569 * config/i386/predicates.md (tls_modbase_operand): New.
11570 (tp_or_register_operand): New.
11572 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11574 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11575 (look_for_address_of): Ditto.
11576 (ipa_init): Walk the function decls.
11577 (static_execute): Don't set readonly on FUNCTION_DECL's.
11579 2006-01-18 Roger Sayle <roger@eyesopen.com>
11581 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11582 for shifts where the source and destination registers are different.
11584 2006-01-18 Paul Brook <paul@codesourcery.com>
11586 Merge from csl-arm-branch.
11587 2005-03-14 Julian Brown <julian@codesourcery.com>
11588 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11589 (aeabi_llsl): Likewise.
11590 (ashrdi3): Likewise.
11591 (aeabi_lasr): Likewise.
11592 (lshrdi3): Likewise.
11593 (aeabi_llsr): Likewise.
11594 2005-03-10 Julian Brown <julian@codesourcery.com>
11595 * config.gcc: Disable shared libgcc for SymbianOS.
11596 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11598 2006-01-18 DJ Delorie <dj@redhat.com>
11600 * c-pragma.c (handle_pragma_diagnostic): New.
11601 (init_pragma): Register it.
11602 * doc/extend.texi: Document it.
11604 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11605 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11606 (diagnostic_context): Add classify_diagnostic[].
11607 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11608 as errors if they're overridden to DK_WARNING.
11609 (diagnostic_initialize): Initialize classify_diagnostic[].
11610 (diagnostic_set_kind_override): New.
11611 (diagnostic_report_diagnostic): Check for kind changes.
11612 * opts.c (common_handle_option): Take lang_mask. Update callers.
11613 Handle OPT_Werror_.
11614 * common.opt (Werror=): New.
11615 * doc/invoke.texi: Document -Werror=*
11617 2006-01-18 Jeff Law <law@redhat.com>
11619 * tree-vrp.c (test_for_singularity): Correct test for new
11620 min limit. Use operand_equal_p rather than pointer equality
11621 for testing if new min/max values are equal.
11623 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11624 using range information until after propagation and folding.
11626 2006-01-18 Richard Henderson <rth@redhat.com>
11627 Aldy Hernandez <aldyh@redhat.com>
11628 Jakub Jelinek <jakub@redhat.com>
11629 Diego Novillo <dnovillo@redhat.com>
11631 * omp-low.c: New file.
11632 * c-omp.c: New file.
11634 2006-01-18 Richard Henderson <rth@redhat.com>
11635 Jakub Jelinek <jakub@redhat.com>
11636 Diego Novillo <dnovillo@redhat.com>
11638 * doc/invoke.texi: Document -fopenmp.
11639 * tree-dump.h (debug_function): Declare.
11640 * hooks.c (hook_bool_tree_bool_false): New function.
11641 (hook_tree_tree_null): Remove.
11642 (hook_tree_tree_tree_null): New.
11643 * hooks.h: Update to match.
11644 * tree-pretty-print.c (debug_tree_chain): New.
11645 (print_generic_expr): Handle TDF_CHAIN.
11646 (dump_generic_node): Handle BLOCK.
11647 Do not abort with incomplete SWITCH_EXPRs.
11648 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11649 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11650 print space after directive name.
11651 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11652 Handle OMP_MASTER and OMP_ORDERED.
11653 Handle printing of OMP_BODY just in one place, goto
11654 dump_omp_body in the rest of OMP_* nodes that have
11656 Don't handle clause nodes here. Update omp statements to
11657 use dump_omp_clauses.
11658 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11659 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11660 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11661 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11662 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11663 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11664 Adjust output for GOMP_PARALLEL.
11665 (dump_omp_clauses): New.
11666 (print_declaration): Dump DECL_VALUE_EXPR.
11667 (op_symbol_1): Split out of op_symbol.
11668 (dumping_stmts): Remove. Update all users.
11669 * cgraph.c (cgraph_analyze_queue): New.
11670 (cgraph_add_new_function): New.
11671 * cgraph.h (cgraph_analyze_queue): Declare.
11672 (cgraph_add_new_function): Declare.
11673 (cgraph_lower_function): Remove.
11674 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11675 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11676 and TYPE_P nodes in its default clause.
11677 (empty_body_p): New.
11678 (tree_range_check_failed): New.
11679 (build5_stat): New.
11680 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11681 OMP_CLAUSE_REDUCTION_MERGE,
11682 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11683 OMP_CLAUSE_PRIVATE_DEBUG,
11684 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11685 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11686 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11687 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11688 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11689 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11690 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11691 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11692 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11693 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11694 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11695 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11696 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11697 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11698 (TREE_RANGE_CHECK): New.
11699 (empty_body_p): Declare.
11700 (enum omp_clause_default_kind): New.
11701 (build_string_literal): Declare.
11702 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11703 (build5_stat, build5): Declare.
11704 * tree-pass.h (TDF_CHAIN): Define.
11705 * tree-pass.h (PROP_gimple_lomp): Define.
11706 (pass_lower_omp): Declare.
11707 * diagnostic.h (debug_tree_chain): Declare.
11708 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11710 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11711 * builtins.c (build_string_literal): Make extern.
11712 * gcc.c (include_spec_function): New.
11713 (static_spec_functions): Add it.
11714 (main): Move load of libgomp.spec ...
11715 (LINK_COMMAND_SPEC): ... here.
11716 (link_gomp_spec): New.
11717 (static_specs): Include it.
11718 (LINK_COMMAND_SPEC): Add link_gomp.
11719 (GOMP_SELF_SPECS): New.
11720 (driver_self_specs): Include it.
11721 (switch_matches): Don't mark inline.
11722 (main): Load libgomp.spec.
11723 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11724 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11725 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11726 * tree-gimple.h (enum omp_parallel): Declare.
11727 (determine_parallel_type): Declare.
11728 (omp_firstprivatize_variable): Declare.
11729 (omp_reduction_init): Declare.
11730 (diagnose_omp_structured_block_errors): Declare.
11731 (struct walk_stmt_info): Add want_return_expr.
11732 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11733 (find_omp_clause): Declare.
11734 (insert_field_into_struct): Declare.
11735 (struct walk_stmt_info): Move from tree-nested.c
11736 (walk_stmts): Declare.
11737 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11739 * cgraphunit.c (cgraph_lower_function): Make static.
11740 (cgraph_finalize_pending_functions): New.
11741 (cgraph_finalize_function): Call it.
11742 (cgraph_finalize_compilation_unit): Likewise.
11743 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11744 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11745 (BT_FN_UINT_UINT): New.
11746 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11747 DEF_FUNCTION_TYPE_VAR_4): Document.
11748 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11749 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11750 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11751 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11752 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11753 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11754 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11755 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11756 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11757 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11758 into separate files.
11759 (DEF_GOMP_BUILTIN): New.
11760 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11761 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11762 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11763 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11764 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11765 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11766 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11767 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11768 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11769 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11770 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11771 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11772 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11773 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11774 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11775 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11776 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11777 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11778 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11779 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11780 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11781 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11782 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11783 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11784 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11785 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11786 * sync-builtins.def: New file, moved from builtins.def.
11787 * omp-builtins.def: New file, moved from builtins.def.
11788 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11789 * gimple-low.c (lower_function_body): Clear data.
11790 (lower_stmt): Do not handle COMPOUND_EXPR.
11791 Remove call to print_node_brief.
11792 * c-tree.h (c_finish_omp_clauses): New prototype.
11793 (C_DECL_THREADPRIVATE_P): Define.
11794 (lookup_name_no_remap, c_omp_remap_private): Remove
11795 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11796 (check_for_loop_decls): Update decl.
11797 (lookup_name_no_remap, c_omp_remap_private): Declare.
11798 (build_indirect_ref, build_modify_expr, pushdecl,
11799 pushdecl_top_level): Move to c-common.h.
11800 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11801 before the switch, but just in the 2 places that need it.
11802 * c-decl.c (diagnose_mismatched_decls): Do not check for
11803 mismatched thread-local attributes when OLDDECL is marked
11804 threadprivate and NEWDECL has no thread-local attributes.
11805 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11806 (c_gimple_diagnostics_recursively): Rename from
11807 c_warn_unused_result_recursively. Invoke
11808 diagnose_omp_structured_block_errors.
11809 (check_for_loop_decls): Return a singular decl found.
11810 * langhooks.c (lhd_omp_predetermined_sharing): Return
11811 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11812 (lhd_omp_firstprivatize_type_sizes): New.
11813 (lhd_omp_assignment): New.
11814 (lhd_omp_predetermined_sharing): New.
11815 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11816 (struct lang_hooks_for_types): Add
11817 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11818 omp_predetermined_sharing, omp_disregard_value_expr,
11819 omp_private_debug_clause, omp_clause_default_ctor,
11820 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11821 (c_finish_omp_clauses): New.
11822 (c_finish_bc_stmt): Diagnose break within omp for.
11823 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11824 (build_unary_op): Return error_mark after reporting
11826 (build_modify_expr): Likewise.
11827 * gimplify.c: Include optabs.h and pointer-set.h.
11828 (enum gimplify_omp_var_data): Declare.
11829 (struct gimplify_omp_ctx): Declare.
11830 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11832 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11833 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11834 (splay_tree_compare_decl_uid): New.
11835 (new_omp_context): New.
11836 (delete_omp_context): New.
11837 (gimple_add_tmp_var): Call omp_add_variable.
11838 (gimplify_bind_expr): Likewise.
11839 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11840 true, disregard DECL_VALUE_EXPR on the decl if any.
11841 (gimplify_expr_in_ctx): New.
11842 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11843 omp_add_variable, omp_notice_variable, omp_is_private
11844 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11845 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11846 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11847 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11848 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11849 gimplify_omp_atomic): New.
11850 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11851 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11852 OMP_CRITICAL and OMP_ATOMIC.
11853 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11854 * c-pragma.h (enum pragma_kind): Add
11855 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11856 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11857 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11858 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11859 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11860 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11861 PRAGMA_OMP_THREADPRIVATE.
11862 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11863 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11864 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11865 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11866 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11867 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11868 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11869 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11870 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11871 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11872 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11873 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11874 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11876 (struct nesting_info): Add field_map,
11877 suppress_expansion, debug_var_chain.
11878 (create_nesting_tree): Initialize them.
11879 (lookup_field_for_decl): Use field_map.
11880 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11881 (convert_local_omp_clauses): New.
11882 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11883 (walk_body): Split out of walk_function.
11884 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11885 (convert_nonlocal_reference): Handle omp statements.
11886 (convert_local_reference): Likewise.
11887 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11888 (unnest_nesting_tree): New.
11889 (lower_nested_functions): Call it.
11890 (insert_field_into_struct): Make extern.
11891 (struct walk_stmt_info): Move to tree-gimple.h.
11892 (walk_stmts): Make extern.
11893 * omp-builtins.def: New file.
11894 * tree-iterator.c (expr_only): Clarify comment.
11895 * c-common.h (pushdecl_top_level, pushdecl,
11896 build_modify_expr, build_indirect_ref,
11897 c_finish_omp_master, c_finish_omp_critical,
11898 c_finish_omp_ordered, c_finish_omp_barrier,
11899 c_finish_omp_atomic, c_finish_omp_flush,
11900 c_finish_omp_for, c_split_parallel_clauses,
11901 omp_clause_default_kind, c_omp_sharing_predetermined,
11902 c_omp_remap_decl): Declare.
11903 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11904 (OBJS-common): Add omp-low.o.
11905 (c-omp.o, omp-low.o): Add.
11906 (gimplify.o): Add dependency on $(OPTABS_H).
11907 (GTFILES): Add omp-low.c.
11908 (gt-stringpool.h): Add.
11909 * tree-cfg.c (set_bb_for_stmt): Do not update the
11910 block-to-labels map if we are currently expanding to RTL.
11911 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11913 Handle IDENTIFIER_NODE.
11914 (tree_verify_flow_info): Do not ICE when emitting error
11915 messages about invalid labels.
11916 (dump_function_to_file): Reset CFUN before emitting the body
11918 (debug_function): New.
11919 * passes.c (init_optimization_passes): Schedule
11921 * langhooks-def.h (lhd_omp_predetermined_sharing,
11922 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11924 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11925 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11926 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11927 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11928 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11929 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11930 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11931 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11932 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11933 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11934 (LANG_HOOK_DECLS): Use them.
11936 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11937 Richard Henderson <rth@redhat.com>
11938 Jakub Jelinek <jakub@redhat.com>
11939 Diego Novillo <dnovillo@redhat.com>
11941 * c-parser.c (pragma_omp_clause): Define.
11942 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11943 (c_parser_compound_statement): Likewise.
11944 (c_parser_statement): Likewise.
11945 (c_parser_pragma): Handle omp pragmas.
11946 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11947 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11948 (c_parser_omp_clause_name, check_no_duplicate_clause,
11949 c_parser_omp_variable_list,
11950 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11951 c_parser_omp_clause_copyprivate,
11952 c_parser_omp_clause_default,
11953 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11954 c_parser_omp_clause_lastprivate,
11955 c_parser_omp_clause_nowait,
11956 c_parser_omp_clause_num_threads,
11957 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11958 c_parser_omp_clause_reduction,
11959 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11960 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11961 c_parser_omp_atomic, c_parser_omp_barrier,
11962 c_parser_omp_critical, c_parser_omp_flush,
11963 c_parser_omp_for_loop, c_parser_omp_for,
11964 c_parser_omp_master, c_parser_omp_ordered,
11965 c_parser_omp_sections_scope, c_parser_omp_sections,
11966 c_parser_omp_parallel, c_parser_omp_single,
11967 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11968 * c-pragma.c (init_pragma): Do omp pragma registration here.
11969 * c.opt (fopenmp): New flag.
11971 2006-01-18 Eric Christopher <echristo@apple.com>
11973 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11974 * config/darwin.h (GOMP_SELF_SPECS): Define.
11976 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11978 * rtl.h: Remove the prototype for reg_alloc.
11980 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11983 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11984 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11985 sjlj and dwarf2 exception handling.
11986 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11987 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11988 * pa/pa.c (function_value): Treat complex and vector types as
11990 (function_arg): Likewise. Only pass scalar floats in the floating
11991 point argument registers.
11992 * pa/t-slibgcc-dwarf-ver: New file.
11993 * pa/t-slibgcc-sjlj-ver: New file.
11994 * pa/t-slibgcc-elf-ver: Delete file.
11996 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11998 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11999 unlikely_test_section_p test.
12001 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12003 * mode-switching.c (optimize_mode_switching): Make it static.
12004 * basic-block.h: Remove the prototype for
12005 optimize_mode_switching.
12007 * modulo-sched.c (sms_schedule): Make it static.
12008 * rtl.h: Remove the prototype for sms_schedule.
12010 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12011 * rtl.h: Remove the prototype for gcse_after_reload_main.
12013 * reg-stack.c (reg_to_stack): Make it static.
12014 * rtl.h: Remove the prototype for reg_to_stack.
12016 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12018 * rtl.h: Remove the prototypes for regrename_optimize and
12019 copyprop_hardreg_forward.
12021 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12023 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12024 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12025 Test against the appropriate null constant for the mode.
12026 If 'fixup_overlap' is true, swap the operands if they overlap.
12027 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12028 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12029 alpha_split_tmode_pair and adjust for above change.
12030 * config/alpha/alpha.md (movtf_internal): Adjust call to
12031 alpha_split_tfmode_pair and rely on it to swap the operands.
12032 (movti_internal): New insn and post-reload splitter.
12033 (movti): New expander.
12035 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12037 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12040 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12042 * rtlanal.c (global_reg_mentioned_p_1,
12043 global_reg_mentioned_p): Remove.
12044 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12046 * flow.c (initialize_uninitialized_subregs): Make it static.
12047 * rtl.h: Remove the prototype for
12048 initialize_uninitialized_subregs.
12050 * function.c (instantiate_virtual_regs): Make it static.
12051 * function.h: Remove the prototype for
12052 instantiate_virtual_regs.
12054 * regmove.c (regmove_optimize, combine_stack_adjustments):
12056 * rtl.h: Remove the prototypes for regmove_optimize and
12057 combine_stack_adjustments.
12059 2006-01-17 Roger Sayle <roger@eyesopen.com>
12061 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12062 (size_cost): Encode costs in bytes so that a reg-reg addition is
12063 equivalent to COSTS_N_INSNS(1).
12064 (override_options): Use the size_cost.branch_cost as the default
12065 ix86_branch_cost when optimizing for size.
12067 2006-01-18 Ben Elliston <bje@au.ibm.com>
12069 * Makefile.in (D32PBIT_FUNCS): New.
12070 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12071 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12072 D64PBIT_FUNCS and D128PBIT_FUNCS.
12073 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12074 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12076 (decnumber_dep): Define.
12077 * doc/libgcc.texi (Decimal float library routines): New node.
12078 * config/dfp-bit.h, config/dfp-bit.c: New files.
12080 2006-01-18 Ben Elliston <bje@au.ibm.com>
12082 * expr.c (emit_move_change_mode): Always adjust addresses, not
12083 just during reload. Copy replacements only during reload.
12084 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12085 emit_move_via_integer.
12087 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12089 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12090 instead of $(srcdir) and ${srcdir}.
12092 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12095 PR middle-end/11135
12096 * arm.h (struct machine_function): Add pic_reg.
12097 * arm.c (arm_pic_register): Make unsigned.
12098 (arm_override_options): Only set arm_pic_register if
12099 TARGET_SINGLE_PIC_BASE.
12100 (use_return_insn): Only test for a pic register if it is fixed.
12101 (arm_compute_save_reg0_reg12_mask): Likewise.
12102 (thumb_compute_save_reg_mask): Likewise.
12103 (legitimate_pic_operand): Factor out some known invariants.
12104 (legitimize_pic_address): If we don't have a fixed pic register,
12105 then set up a pseudo in the function entry sequence. Handle the
12106 pic base being in a pseudo.
12107 (arm_load_pic_register): Handle the pic register being in a pseudo.
12108 (arm_expand_prologue): Only set up the pic register if it is fixed.
12109 (thumb_expand_prologue): Likewise.
12110 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12111 (pic_load_addr_based_insn): Likewise.
12112 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12115 2006-01-18 Ben Elliston <bje@au.ibm.com>
12117 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12118 decimal float modes for all floating point registers.
12120 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12121 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12123 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12126 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12127 even when the pointer is not NULL.
12129 2006-01-16 Ian Lance Taylor <ian@airs.com>
12131 * common.opt (ftoplevel-reorder): New option.
12132 * cgraph.c (cgraph_asm_nodes): New global variable.
12133 (cgraph_asm_last_node): New static variable.
12134 (cgraph_order): New global variable.
12135 (cgraph_create_node): Set new order field.
12136 (cgraph_varpool_node): Likewise.
12137 (decide_is_variable_needed): Return true if not
12138 flag_toplevel_reorder.
12139 (cgraph_add_asm_node): New function.
12140 * cgraph.h (struct cgraph_node): Add order field.
12141 (struct cgraph_varpool_node): Add order field.
12142 (struct cgraph_asm_node): Define.
12143 (cgraph_asm_nodes, cgraph_order): Declare.
12144 (cgraph_add_asm_node): Declare.
12145 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12147 (cgraph_varpool_assemble_pending_decls): Call it.
12148 (cgraph_output_pending_asms): New static function.
12149 (cgraph_finalize_compilation_unit): Call it.
12150 (struct cgraph_order_sort): Define.
12151 (cgraph_output_in_order): New static function.
12152 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12153 !flag_toplevel_reorder case.
12154 * c-parser.c: Include "cgraph.h".
12155 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12157 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12158 than -fno-unit-at-a-time.
12159 * doc/invoke.texi (Option Summary): Mention
12160 -fno-toplevel-reorder.
12161 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12162 -funit-at-a-time documentation.
12164 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12165 Kazu Hirata <kazu@codesourcery.com>
12167 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12169 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12171 * Makefile.in (FUNCTION_H): New. Use it instead of
12172 function.h throughout the file.
12173 * function.h: Include tree.h.
12175 2006-01-17 Ben Elliston <bje@au.ibm.com>
12177 * recog.c: Separate some functions with whitespace.
12179 2006-01-16 Richard Henderson <rth@redhat.com>
12181 Merge from gomp branch:
12182 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12183 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12184 and rename from struct inline_data. Rename callee* to dst*;
12185 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12186 transform_new_cfg, transform_return_to_modify, and
12187 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12189 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12190 (copy_decl_for_dup): Remove.
12191 * tree-inline.c (struct inline_data): Move to header.
12192 (insert_decl_map): Export.
12193 (remap_decl): Update for member name changes. Use copy_decl hook.
12194 Allow for replacement to be a non-decl. Remove dead code.
12195 (remap_type_1): Check for existing mapping.
12196 (remap_type): Export.
12197 (remap_decls): Update for member name changes.
12198 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12199 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12200 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12201 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12202 (tree_function_versioning, build_duplicate_type): Likewise.
12203 (copy_body_r): Likewise. Export.
12204 (copy_decl_for_dup): Split into ...
12205 (copy_decl_for_dup_finish, copy_decl_to_var,
12206 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12207 (replace_ref_tree, inlining_p): Remove.
12209 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12211 * ifcvt.c (if_convert): Make it static.
12212 * rtl.h: Remove the prototype for if_convert.
12214 * local-alloc.c (local_alloc): Make it static.
12215 * rtl.h: Remove the prototype for local_alloc.
12217 * loop.c (loop_optimize): Make it static.
12218 * cfgloop.h: Remove the prototype for loop_optimize.
12221 2006-01-16 DJ Delorie <dj@redhat.com>
12223 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12226 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12228 * pa.md: Disparage copies between general and floating-point registers
12229 in 32-bit move patterns.
12231 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12234 * Makefile.in (check-%): Depend on site.exp instead of
12235 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12238 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12240 * global.c (global_alloc): Make it static.
12241 * rtl.h: Remove the prototype for global_alloc.
12243 2006-01-16 Richard Guenther <rguenther@suse.de>
12245 * tree-ssa-alias.c (struct used_part): Add write_only field.
12246 (get_or_create_used_part_for): Initialize it to true.
12247 (create_overlap_variables_for): Don't create structure variables
12248 for structures that only are written to.
12249 (find_used_portions): Handle MODIFY_EXPR to track whether a
12250 structure is only written to.
12252 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12254 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12256 * basic-block.h: Remove the prototype for
12257 partition_hot_cold_basic_blocks.
12259 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12261 * cppspec.c (lang_specific_spec_functions): Remove.
12262 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12263 * gcc.h (lang_specific_spec_functions): Remove.
12264 * gccspec.c (lang_specific_spec_functions): Remove.
12266 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12268 * combine.c (record_value_for_reg): Invalidate registers
12270 (record_dead_and_set_regs_1): Likewise, by passing them to
12271 record_value_for_reg.
12272 (record_dead_and_set_regs): Invalidate stores made by a
12273 call. We do not combine across a call, but we still
12274 relied on equivalences.
12276 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12278 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12279 vrp_int_const_binop returning non-constant nodes.
12281 2006-01-16 Paul Brook <paul@codesourcery.com>
12283 * config/m68k/m68k.c (output_move_const_into_data_reg):
12284 Output correct mnemonic for mvz and mvs.
12286 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12288 * rtl-factoring.c: Add sequence abstraction algorithm.
12289 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12290 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12292 (block_has_preserve_label): New function.
12293 * common.opt: Register new pass.
12294 * Makefile.in: Ditto.
12296 * timevar.def: Ditto.
12297 * tree-pass.h: Ditto.
12298 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12299 * rtl.h (make_jump_insn_raw): Add forward decl.
12300 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12302 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12303 Roger Sayle <roger@eyesopen.com>
12305 * fold-const.c (fold_minmax): New static function.
12306 (fold_binary) <MIN_EXPR>: Call it.
12307 <MAX_EXPR>: Likewise.
12308 * stor-layout.c (place_field): Use DECL_SIZE consistently
12309 in the computation of the new record size.
12311 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12313 * cse.c (cse_condition_code_reg): Make it static.
12314 * rtl.h: Remove the prototype for cse_condition_code_reg.
12316 * combine.c (combine_instructions): Make it static.
12317 * rtl.h: Remove the prototype for combine_instructions.
12319 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12322 * tree.c (get_file_function_name_long): Concatenate the first global
12323 object name with a string derived from the input filename of the object
12326 2006-01-16 Ben Elliston <bje@au.ibm.com>
12328 * config/i386/winnt-stubs.c: Update FSF address.
12329 * config/xtensa/ieee754-df.S: Ditto.
12330 * config/xtensa/ieee754-sf.S: Ditto.
12332 2006-01-14 Ian Lance Taylor <ian@airs.com>
12334 * ifcvt.c (noce_init_if_info): New static function, broken out of
12335 noce_process_if_block.
12336 (noce_process_if_block): Call noce_init_if_info.
12337 (check_cond_move_block): New static function.
12338 (cond_move_process_if_block): New static function.
12339 (process_if_block): Call cond_move_process_if_block.
12341 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12343 * cselib.c (hash_table): Rename to cselib_hash_table.
12344 (cselib_clear_table, discard_useless_values,
12345 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12346 cselib_init, cselib_finish): Adjust uses of hash_table.
12348 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12350 PR tree-optimization/25485
12351 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12352 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12353 is known to be false and true, respectively.
12355 2006-01-14 Richard Guenther <rguenther@suse.de>
12357 PR tree-optimization/22548
12358 PR tree-optimization/22555
12359 PR tree-optimization/22501
12360 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12361 * params.def (salias-max-array-elements): New parameter.
12362 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12363 * doc/invoke.texi (salias-max-array-elements): Document.
12364 * tree-flow-inline.h (var_can_have_subvars): We also handle
12366 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12368 * tree-ssa-structalias.c (params.h): Include.
12369 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12370 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12371 (get_constraint_for): For ADDR_EXPR operating on something
12372 containing an ARRAY_REF, add all subvars to the solution.
12373 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12374 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12375 for creating MUST_DEFs.
12376 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12378 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12380 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12382 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12383 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12384 number_of_iterations_le): New functions.
12385 (number_of_iterations_special): Removed.
12386 (number_of_iterations_exit): Do not use number_of_iterations_special.
12387 * tree.c (unsigned_type_for): Always return integer type.
12389 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12390 Richard Guenther <rguenther@suse.de>
12392 PR rtl-optimization/24257
12393 * gcse.c (find_moveable_store): Only consider a store movable
12394 when the SET_SRC of the insn can be assigned to a register.
12396 2006-01-14 Ian Lance Taylor <ian@airs.com>
12398 * tree.c (tree_not_class_check_failed): New function.
12399 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12400 (tree_not_class_check_failed): Declare.
12402 2006-01-13 Ian Lance Taylor <ian@airs.com>
12404 * reload1.c (do_output_reload): Add assertion rejecting a
12407 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12409 * combine.c (struct reg_stat): Add new fields truncation_label and
12411 (record_value_for_reg): Reset truncated_to_mode.
12412 (record_truncated_value): New function.
12413 (check_promoted_subreg): Call it. Rename to check_conversions.
12414 (combine_instructions): Rename check_promoted_subreg to
12416 (reg_truncated_to_mode): New function.
12417 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12418 (gen_lowpart_or_truncate): New function.
12419 (force_to_mode): Use it instead of gen_lowpart.
12421 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12423 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12424 VAR is a tag, not its type tag.
12426 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12428 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12429 alternatives to match style of other entries.
12430 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12432 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12434 PR tree-optimization/25771
12435 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12438 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12441 * tree-inline.c (declare_return_variable): If the return variable
12442 was marked as a non gimple complex, set the return slot variable
12443 to be a non gimple comple variable.
12445 2006-01-13 Richard Guenther <rguenther@suse.de>
12447 * builtins.c (expand_builtin_sincos): New function.
12448 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12450 (expand_builtin): Expand sincos using expand_builtin_sincos.
12452 2006-01-12 DJ Delorie <dj@redhat.com>
12454 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12455 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12456 so that constant shifts can be split.
12457 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12458 (m32c_valid_pointer_mode): Make static.
12459 (shift_gen_func_for): New.
12460 (m32c_prepare_shift): Use it. Split large const shifts into
12462 * config/m32c/predicates.md (shiftcount_operand): Allow more
12464 (longshiftcount_operand): New.
12465 * doc/md.texi (Machine Constraints): Document In6.
12467 2006-01-13 Ben Elliston <bje@au.ibm.com>
12469 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12470 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12473 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12475 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12476 to try to avoid clobbering pieces of structures when we know
12477 something about the whole structure.
12478 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12480 2006-01-13 Ben Elliston <bje@au.ibm.com>
12482 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12483 return in memory, as this is no limitation is no longer present.
12485 2006-01-12 DJ Delorie <dj@redhat.com>
12487 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12488 mova with fb, and for fb+0 -> An.
12490 * config/m32c/mov.md (peephole2): Fix enabling logic.
12492 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12493 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12494 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12495 FINI_ARRAY_SECTION_ASM_OP): Define.
12497 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12499 (m32c_legitimize_reload_address): New logic to reload FB to An.
12500 (m32c_output_reg_push): Add newline.
12501 (m32c_output_reg_pop): Likewise.
12503 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12505 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12507 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12509 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12511 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12513 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12516 2006-01-11 Ben Elliston <bje@au.ibm.com>
12518 * rtlanal.c (find_reg_note): Assert insn is not null.
12520 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12522 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12525 2006-01-11 Jeff Law <law@redhat.com>
12527 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12529 (mark_threaded_blocks, register_jump_thread): New functions.
12530 (thread_through_all_blocks): Remove unwanted argument. No
12531 longer rely on e->aux to communicate thread target info.
12532 Call mark_threaded_blocks. Release the threaded_blocks
12533 bitmap and threaded_edges vector when complete.
12534 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12535 (threaded_blocks): Remove.
12536 (tree_ssa_dominator_optimize): Remove initialization and
12537 finalization of threaded_blocks. Simplify call to
12538 thread_through_all_blocks.
12539 (thread_across_edge): Call register_jump_thread rather than
12540 storing thread information into e->aux.
12541 (free_all_edge_infos): Simplify now that e->aux is no longer
12542 used to communicate with thread_through_all_blocks.
12543 * tree-flow.h (thread_through_all_blocks): Update prototype.
12544 (register_jump_thread): Prototype.
12546 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12548 * df-core.c (df_compact_blocks, df_bb_replace): Use
12549 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12551 2006-01-11 Richard Guenther <rguenther@suse.de>
12553 PR tree-optimization/25734
12554 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12555 stop propagation after successful propagation to the LHS.
12557 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12559 * basic-block.h (control_flow_graph): Change the type of
12560 x_basic_block_info to VEC(basic_block,gc) *.
12561 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12563 (SET_BASIC_BLOCK): New.
12564 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12565 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12566 * cfgbuild.c (find_basic_blocks): Likewise.
12567 * cfglayout.c (fixup_reorder_chain): Likewise.
12568 * cfgrtl.c (create_basic_block_structure,
12569 rtl_create_basic_block): Likewise.
12570 * ifcvt.c (find_if_case_1): Likewise.
12571 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12574 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12576 * Makefile.in: Removed rotted odf.c entry.
12578 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12581 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12582 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12583 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12584 output pattern modifier, not %e.
12585 * config/cris/cris.c (cris_op_str): Update comment about pattern
12587 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12588 before falling through into...
12589 <case 'E'>: Redefined from old 'e' case.
12591 2006-01-11 Jan Hubicka <jh@suse.cz>
12594 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12596 2006-01-11 Jan Hubicka <jh@suse.cz>
12598 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12599 * i386.c (x86_decompose_lea): Kill.
12600 (ix86_rtx_costs): Kill.
12602 2006-01-11 Jan Hubicka <jh@suse.cz>
12604 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12605 * cgraph.h (cgraph_node): Add inline_decl.
12606 (cgraph_insert_node_to_hashtable): Declare.
12607 (save_inline_function_body): Declare.
12608 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12610 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12611 (cgraph_function_versioning): Update call of tree_function_versioning.
12612 (save_inline_function_body): New function.
12613 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12614 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12615 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12616 (cgraph_default_inline_p): Likewise.
12617 (cgraph_decide_inlining_incrementally): Likewise.
12618 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12619 (copy_bb): Kill saving; do updating of clones.
12620 (copy_cfg_body): Kill saving.
12621 (initialize_inlined-parameters): Likewise.
12622 (expand_call_inline): Likewise.
12624 (tree_function_versioning): New parameter "update_clones".
12625 (inlining_p): Kill saving.
12626 * tree-inline.h (tree_function_versioning): Update prototype.
12627 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12630 2006-01-11 Ian Lance Taylor <ian@airs.com>
12632 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12633 Allow undoing set of machine mode.
12634 (do_SUBST): Use enums instead of is_int.
12635 (do_SUBST_MODE): New function.
12636 (SUBST_MODE): New macro.
12637 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12638 reg and trying to replace reg_regno_rtx with a new register.
12639 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12640 (simplify_set): Use SUBST_MODE.
12641 (distribute_notes): Remove code that tried to update reg notes
12642 for regno_reg_rtx changes.
12644 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12646 PR tree-optimization/23109
12647 PR tree-optimization/23948
12648 PR tree-optimization/24123
12650 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12651 * tree-cfg.c (single_noncomplex_succ): New.
12652 * tree-flow.h (single_noncomplex_succ): Declare it.
12653 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12654 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12655 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12656 insert_bb, register_division_in, insert_reciprocals,
12657 replace_reciprocal, free_bb): New.
12658 (execute_cse_reciprocals_1): Rewritten.
12659 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12660 Do not commit any edge insertion. Always compute dominators and
12661 create the allocation pool.
12662 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12663 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12664 * targhooks.c (default_min_divistions_for_recip_mul): New.
12665 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12666 * passes.c (init_optimization_passes): Run recip after tree loop
12668 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12670 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12671 Kenneth Zadeck <zadeck@naturalbridge.com>
12673 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12674 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12675 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12676 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12677 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12678 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12679 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12680 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12681 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12682 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12683 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12684 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12685 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12686 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12687 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12688 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12689 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12690 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12691 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12692 DF_SCAN_POST_ALLOC): New macros.
12693 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12694 df_free_bb_function, df_local_compute_function, df_init_function,
12695 df_dataflow_function, df_confluence_function_0,
12696 df_confluence_function_n, df_transfer_function,
12697 df_finalizer_function, df_free_function, df_dump_problem_function,
12698 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12699 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12700 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12701 df_urec_bb_info, ) New types.
12702 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12704 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12705 df_analyze_simple_change_some_blocks,
12706 df_analyze_simple_change_one_block, df_compact_blocks,
12707 df_bb_replace, df_bb_regno_last_use_find,
12708 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12709 df_insn_regno_def_p, df_find_def, df_find_use,
12710 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12711 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12712 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12713 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12714 debug_df_chain, df_get_dependent_problem, df_chain_create,
12715 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12716 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12717 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12718 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12719 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12720 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12721 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12722 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12723 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12724 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12725 df_reorganize_refs, df_set_state, df_hard_reg_init,
12726 df_read_modify_subreg_p) New public functions.
12727 * df-core.c: The core dataflow solver and glue routines for rtl
12729 (df_init, df_add_problem, df_set_blocks, df_finish,
12730 df_hybrid_search_forward, df_hybrid_search_backward,
12731 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12732 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12733 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12734 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12735 df_reg_defined, df_find_use, df_reg_used, df_dump,
12736 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12737 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12738 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12739 debug_df_useno, reset_df_after_reload): New functions.
12740 * df-scan.c: The scanning fuctions, once in df.c, completely
12741 rewritten so that they now fully model the functionality of
12742 register usage at the backend.
12743 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12744 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12745 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12746 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12747 df_get_artificial_defs, df_get_artificial_uses,
12748 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12749 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12750 df_refs_delete, df_reorganize_refs, df_set_state,
12751 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12752 df_def_record_1, df_defs_record, df_uses_record,
12753 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12754 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12755 df_record_exit_block_uses, df_hard_reg_init): New functions.
12757 * df-problems.c: Seven concrete dataflow problems that use the
12758 scanning in df-scan.c and are solved by the engine in df-core.c.
12759 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12760 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12761 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12762 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12763 df_ru_free_bb_info, df_ru_alloc,
12764 df_ru_bb_local_compute_process_def,
12765 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12766 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12767 df_ru_transfer_function, df_ru_free, df_ru_dump,
12768 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12769 df_rd_free_bb_info, df_rd_alloc,
12770 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12771 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12772 df_rd_transfer_function, df_rd_free, df_rd_dump,
12773 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12774 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12775 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12776 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12777 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12778 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12779 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12780 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12781 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12782 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12783 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12784 df_urec_mark_reg_use_for_earlyclobber,
12785 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12786 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12787 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12788 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12789 df_chain_create_bb_process_use, df_chain_create_bb,
12790 df_chain_finalize, df_chain_free, df_chains_dump,
12791 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12792 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12793 df_reg_lifetime): New functions.
12794 * df.c: Deleted file.
12795 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12796 consistent with new df api.
12797 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12798 rest_of_handle_sms): Ditto.
12799 * web.c (unionfind_union, union_defs, entry_register, web_main):
12801 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12802 invariant_expr_equal_p, find_defs, check_dependencies,
12803 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12804 free_inv_motion_data, move_loop_invariants): Ditto.
12805 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12806 Update dependencies.
12807 (odf.c): Added defective entry that was deleted later in day.
12808 * sched-deps.c (sched_analyze_1): Ditto.
12810 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12812 * tree-ssa-operands.c (get_expr_operands): Record addressable
12813 variables directly. Do not call add_stmt_operands for CONST_DECLs
12815 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12816 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12818 2006-01-11 Ben Elliston <bje@au.ibm.com>
12820 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12821 function returns true in the positive case.
12823 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12826 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12827 for SI, DI, SF and DF modes. Add alternatives to copy between
12828 general and floating point registers to the 32-bit patterns.
12829 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12830 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12831 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12832 generating 64-bit code.
12833 * config/pa/pa.c (output_move_double): Handle copies between general
12834 and floating registers.
12836 2006-01-10 Stuart Hastings <stuart@apple.com>
12838 * config/i386/i386.md (set_got): Update.
12839 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12840 (builtin_setjmp_receiver): Mach-O support.
12841 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12842 (GOT_SYMBOL_NAME): Define.
12843 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12844 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12845 * config/i386/i386.c (override_options): Revise for Darwin.
12846 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12847 support. (darwin_x86_file_end): New. (output_set_got): Add label
12848 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12849 * config/i386/i386-protos.h (output_set_got): Likewise.
12850 * config/darwin.c (machopic_legitimize_pic_address): Update
12853 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12855 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12856 when MODE isn't BLKmode.
12858 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12860 PR rtl-optimization/25367
12861 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12863 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12866 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12867 for a negative bound.
12869 2006-01-10 Richard Guenther <rguenther@suse.de>
12871 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12872 Never override with anything constraint.
12874 2006-01-10 Jan Beulich <jbeulich@novell.com>
12876 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12877 256 bits when optimize_size.
12879 2006-01-10 Jan Beulich <jbeulich@novell.com>
12881 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12883 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12884 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12887 2006-01-10 Ben Elliston <bje@au.ibm.com>
12889 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12891 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12892 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12893 (USE_FP_FOR_ARG): Reject decimal float modes.
12894 (function_arg_advance): Likewise.
12895 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12896 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12897 point types in AltiVec vectors.
12898 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12899 (rs6000_libcall_value): Likewise.
12901 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12903 * config/xtensa/ieee754-df.S: New file.
12904 * config/xtensa/ieee754-sf.S: New file.
12905 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12906 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12907 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12909 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12911 * config/sh/predicates.md (binary_float_operator,
12912 binary_logical_operator, commutative_float_operator,
12913 equality_comparison_operator, greater_comparison_operator,
12914 less_comparison_operator, logical_operator,
12915 noncommutative_float_operator, shift_operator,
12916 symbol_ref_operand, unary_float_operator): Remove redundant
12919 2006-01-09 Jeff Law <law@redhat.com>
12921 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12922 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12923 now unused arguments. Callers updated.
12924 (eliminate_redundant_computations): Remove now unused arguments,
12926 (local_fold): Remove, no longer used.
12927 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12929 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12930 (simplify_cond): New function.
12931 (forward_propagate_into_cond): Call simplify_cond.
12933 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12935 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12936 (*vec_extractv2di_1_sse): New.
12938 2006-01-09 Ben Elliston <bje@au.ibm.com>
12940 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12942 2006-01-08 Richard Guenther <rguenther@suse.de>
12944 * tree-ssa-structalias.c (get_constraint_for): Remove
12945 anyoffset argument.
12946 (get_constraint_for_component_ref): Likewise.
12947 (do_deref): Likewise.
12948 (get_constraint_for): Likewise.
12949 (do_structure_copy): Likewise.
12950 (handle_ptr_arith): Likewise.
12951 (find_func_aliases): Likewise. Remove unused need_anyoffset
12954 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12955 Kaz Kojima <kkojima@gcc.gnu.org>
12957 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12958 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12959 (EXTRA_CONSTRAINT_C16): Remove.
12960 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12961 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12962 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12963 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12964 constants of SHmedia. Handle nested constant expressions of
12966 (andcosts): Fix the costs for SHmedia constants.
12967 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12968 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12969 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12970 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12971 (movv4hi_i, movv2si_i): Likewise.
12972 (movsi_const): Adjust the second operand of ior so to match with
12973 the Csu constraint.
12974 (movdi_const, movdi_const_32bit): Likewise.
12975 (movdi_const_16bit+1): Don't sign-extend LOW.
12976 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12978 (*double_shori): Fix the split condition. Use GEN_INT instead
12979 of get_int_mode calls. Mask lower 16-bit of the argument of
12981 (sym2GOTPLT): Remove.
12982 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12984 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12985 instead of EXTRA_CONSTRAINT_C16.
12987 2006-01-07 Ian Lance Taylor <ian@airs.com>
12988 David Edelsohn <edelsohn@gnu.org>
12990 PR rtl-optimization/25662
12991 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12992 for constant operands instead of simplify_gen_binary.
12993 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12994 after trying simplify_binary_operation
12996 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12998 * tree.c (iterative_hash_expr): Hash decls based on UID.
13000 2006-01-06 Eric Christopher <echristo@apple.com>
13002 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13003 (TARGET_UNWIND_EMIT): Fix spelling.
13004 * target.h (gcc_target): Add except_table_label.
13005 * except.c (output_function_exception_table): Use.
13006 * varasm.c (default_emit_except_table_label): New.
13007 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13009 (asm_out): Add here.
13010 * output.h (default_emit_except_table_label): Prototype.
13011 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13012 * config/darwin.c (darwin_emit_except_table_label): Define.
13013 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13015 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13017 PR tree-optimization/18527
13018 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13019 number_of_iterations_special, number_of_iterations_exit):
13020 Move base and step of an iv to a single structure. Add
13021 no_overflow flag, and use it in # of iterations analysis.
13022 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13023 folded_casts argument.
13024 (simple_iv): Pass base and step in a structure. Set no_overflow
13026 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13027 Evaluate expensiveness of computing # of iterations instead of
13028 the final expression.
13029 * tree-scalar-evolution.h (affine_iv): New structure.
13030 (simple_iv): Declaration changed.
13031 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13032 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13033 find_givs_in_stmt): Changed due to simple_iv change.
13035 2006-01-06 Jeff Law <law@redhat.com>
13038 * tree-cfg.c (bsi_replace): Rename final argument from
13039 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13040 change (stmt -> orig_stmt).
13041 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13042 (bsi_remove): Add new argument. Remove EH information
13044 (verify_eh_throw_table_statements): New function.
13045 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13047 * tree-optimize.c (execute_free_cfg_annotations): Verify
13048 the EH throw statement table after removing annotations.
13049 * except.h (verify_eh_throw_table_statements): Prototype.
13050 * tree-flow.h (bsi_remove): Update prototype.
13051 * tree-vrp.c (remove_range_assertions): Add new argument to
13053 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13054 * tree-complex.c (expand_complex_div_wide): Likewise.
13055 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13056 * tree-tailcall.c (eliminate_tailcall): Likewise.
13057 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13058 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13059 * tree-nrv.c (tree_nrv): Likewise.
13060 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13061 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13062 (combine_blocks): Likewise.
13063 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13064 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13065 (cleanup_control_flow): Likewise.
13066 (remove_forwarder_block): Likewise.
13067 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13068 * tree-sra.c (sra_replace): Likewise.
13069 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13070 (forward_propagate_single_use_vars): Likewise.
13071 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13072 * tree-inline.c (expand_call_inline): Likewise.
13073 * tree-vect-transform.c (vect_transform_loop): Likewise.
13074 * tree-outof-ssa.c (rewrite_trees): Likewise.
13075 * tree-cfg.c (make_goto_expr_edges): Likewise.
13076 (cleanup_dead_labels): Likewise.
13077 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13078 (bsi_move_before, bsi_move_after): Likewise.
13079 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13080 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13082 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13085 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13087 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13088 on non gimple variables. Also add checks at the top for decls and
13090 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13092 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13093 and IMAGPART_EXPR for creating MUST_DEFs.
13094 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13095 and NAME_MEMORY_TAG separately from the DECLs.
13097 2006-01-06 Richard Guenther <rguenther@suse.de>
13099 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13100 annotation, if necessary.
13101 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13102 redundant calls to update_stmt.
13103 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13106 2006-01-05 Richard Henderson <rth@redhat.com>
13108 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13110 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13112 * c-typeck.c: Update copyright date.
13114 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13116 * c-typeck.c (build_c_cast): Always warn when casting
13117 from a pointer to an integer of different size, even if
13118 the node was constant.
13120 2006-01-05 Richard Guenther <rguenther@suse.de>
13122 PR tree-optimization/22555
13123 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13124 if one structure field is an array.
13125 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13126 operands even if we found a subvar, but ignore VOPs in this
13128 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13130 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13132 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13134 PR middle-end/24998
13135 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13137 2006-01-05 Richard Guenther <rguenther@suse.de>
13138 Diego Novillo <dnovillo@redhat.com>
13140 * tree-pass.h (TODO_remove_unused_locals): Define.
13141 * gimple-low.c (expand_var_p, remove_useless_vars,
13142 pass_remove_useless_vars): Remove. Update all users.
13143 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13144 (remove_unused_locals): New function.
13145 * tree-flow.h (remove_unused_locals): Declare.
13146 * passes.c (execute_todo): Call remove_unused_locals if
13147 TODO_remove_unused_locals is set.
13148 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13149 * tree-ssa-dce.c (pass_dce): Likewise.
13150 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13152 2006-01-05 Richard Guenther <rguenther@suse.de>
13154 * tree-flow.h (struct fieldoff): Decompose field to
13155 type, size and decl.
13156 * tree-ssa-alias.c (create_sft): Take type as parameter.
13157 (create_overlap_variables_for): Store type, size and decl
13158 in the fieldoff structure.
13159 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13160 of struct fieldoff.
13161 (push_fields_onto_fieldstack): Likewise.
13162 (create_variable_info_for): Likewise. Use offset for the
13163 SFT name if the decl is not available.
13165 2006-01-04 Paul Brook <paul@codesourcery.com>
13167 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13169 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13171 * lambda-code.c (can_put_in_inner_loop): Relax
13173 (can_put_after_inner_loop): New function.
13174 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13175 (perfect_nestify): Change to make copies and modify uses.
13177 2006-01-04 Richard Henderson <rth@redhat.com>
13179 Merge from gomp branch:
13180 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13181 via integer constant.
13182 (pragma_lex): Remove.
13183 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13184 rather than parsing it.
13185 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13186 handle_pragma_extern_prefix): Add %< %> quotes.
13187 (registered_pragmas): New.
13188 (c_register_pragma_1): New.
13189 (c_register_pragma): Use it.
13190 (c_register_pragma_with_expansion): Likewise.
13191 (c_invoke_pragma_handler): New.
13192 (init_pragma): Use cpp_register_deferred_pragma directly for
13194 * c-pragma.h (enum pragma_kind): New.
13195 (pragma_handler): New.
13196 (c_invoke_pragma_handler): Declare.
13197 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13199 * c-common.h (c_common_pch_pragma): Update decl.
13200 * Makefile.in (c-parser.o): Update dependencies.
13201 (GTFILES): Add c-pragma.h.
13202 * c-parser.c (struct c_token): Add pragma_kind.
13203 (struct c_parser): Add in_pragma.
13204 (c_lex_one_token): Always initialize keyword and pragma_kind.
13205 Extract data for CPP_PRAGMA.
13206 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13207 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13208 Don't allow CPP_PRAGMA_EOL if in_pragma.
13209 (c_parser_consume_pragma): New.
13210 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13211 (c_parser_skip_to_end_of_parameter): Likewise.
13212 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13213 (c_parser_skip_to_pragma_eol): New.
13214 (c_parser_external_declaration): Handle CPP_PRAGMA.
13215 (c_parser_compound_statement_nostart): Likewise.
13216 (c_parser_statement_after_labels): Likewise.
13217 (c_parser_pragma): New.
13218 (pragma_lex): Likewise.
13219 (c_parser_pragma_pch_preprocess): New.
13220 (c_parser_new): Merge into ...
13221 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13223 2006-01-04 Jeff Law <law@redhat.com>
13226 * tree-cfg.c (bsi_replace): Remove the original statement
13227 from the EH throw statement table.
13229 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13231 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13232 make the prototype extern "C" and add throw ().
13235 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13236 and pos non-negative and pos + len <= 32.
13237 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13238 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13239 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13242 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13243 as well as sizes not multiple of component size.
13246 * function.c (instantiate_expr): New function.
13247 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13248 walk its DECL_VALUE_EXPR with instantiate_expr.
13250 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13251 DW_OP_deref{,_size} if address isn't going to be added.
13253 2006-01-04 Ben Elliston <bje@au.ibm.com>
13255 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13256 * config/fp-bit.c: Likewise.
13258 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13260 * dominance.c: Add comment about why we use DFS numbering
13263 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13264 Richard Henderson <rth@redhat.com>
13266 Merge from gomp-branch:
13267 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13268 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13270 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13272 PR rtl-optimization/25578
13273 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13274 pass a parameter to simplify_shift_const if changing ASHIFTRT
13277 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13279 * builtins.c (get_builtin_sync_mem): New function.
13280 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13281 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13282 Call get_builtin_sync_mem to generate mem rtx.
13284 2006-01-03 Richard Guenther <rguenther@suse.de>
13287 * stmt.c (add_case_node): Make sure to clear overflow flags
13290 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13292 Merge from gomp-branch.
13293 * config/sparc/sync.md: New file.
13294 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13295 UNSPECV_LDSTUB): New constants.
13296 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13297 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13298 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13301 2006-01-03 Roger Sayle <roger@eyesopen.com>
13303 * combine.c (reg_subword_p): New predicate to test whether the
13304 destination of a set refers to a subword/piece of a register.
13305 (try_combine): Generalize the code to merge the setting of a
13306 pseudo to a constant followed by a set of a subword of that
13307 register to a constant.
13309 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13311 * basic-block.h (control_flow_graph): Change the type of
13312 x_label_to_block_map to VEC(basic_block,gc) *.
13313 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13314 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13316 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13317 VEC(basic_block,heap) *.
13318 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13319 ssa_prop_fini): Adjust the uses of cfg_blocks.
13321 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13323 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13325 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13326 hashing trees instead of a pointer hash.
13327 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13328 compare for MEM_EXPR.
13330 PR rtl-optimization/25130
13331 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13332 when comparing MEMs for GCSE
13334 2006-01-03 Ben Elliston <bje@au.ibm.com>
13336 * targhooks.h (default_decimal_float_supported_p): Declare.
13337 * targhooks.c (default_decimal_float_supported_p): Define.
13338 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13339 `default_decimal_float_supported_p'.
13340 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13342 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13344 * combine.c (apply_distributive_law <SUBREG>): Check
13345 TRULY_NOOP_TRUNCATION.
13347 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13349 * dwarf2out.c (have_switched_text_section): Delete.
13350 (have_multiple_function_sections): New.
13351 (have_location_lists): Make 'bool'.
13352 (add_AT_loc_list): Use 'true' not '1'.
13353 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13354 (output_loc_list): Use have_multiple_function_sections.
13355 (output_ranges): Likewise.
13356 (dwarf2out_begin_function): Set have_multiple_function_sections if
13358 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13359 Check function_section rather than DECL_SECTION_NAME.
13360 (dwarf2out_finish): Use have_multiple_function_sections.
13361 Don't clear have_location_lists.
13363 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13364 Jan Hubicka <jh@suse.cz>
13366 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13367 case of conditional jump jumping to the next instruction.
13368 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13369 cases of conditional jump jumping to the next instruction.
13371 2006-01-02 Jan Hubicka <jh@suse.cz>
13373 * i386.c (*_cost): Add COSTS_N_INSNS.
13374 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13376 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13379 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13381 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13383 * config/arm/arm.c (all_fpus): Fix comment typo.
13384 * config/darwin.c: Likewise.
13385 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13386 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13387 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13389 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13391 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13392 (rs6000_split_compare_and_swapqhi): New.
13393 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13394 (sync_compare_and_swapqhi_internal): New.
13395 * config/rs6000/rs6000-protos.h: Declare.