1 2006-07-08 Matthias Klose <doko@debian.org>
3 * doc/sourcebuild.texi: Fix typo.
5 2006-07-07 Mike Stump <mrs@apple.com>
7 * toplev.c (process_options): Don't give -ffunction-sections may
8 affect debugging warning for Mach-O.
10 2006-07-07 James E Wilson <wilson@specifix.com>
12 * config/mips/mips.md (cpu): Add sb1a.
13 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
14 addition to sb1. Adjust comments to clarify SB-1A differences from
16 (ir_sb1a_load): New. Modify bypasses to use it.
17 (ir_sb1a_simple_alu): Likewise.
18 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
19 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
20 (mips_issue_rate): Add PROCESSOR_SB1A.
21 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
22 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
23 (TARGET_SB1): Add PROCESSOR_SB1A check.
26 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
27 * config/mips/mips.c (mips_store_data_bypass_p): New.
28 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
31 2006-07-08 Paul Brook <paul@codesourcery.com>
34 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
36 2006-07-07 Richard Guenther <rguenther@suse.de>
39 * tree.h (build_one_cst): Declare.
40 * tree.c (build_one_cst): New function.
41 * tree-ssa-math-opts.c (get_constant_one): Remove.
42 (insert_reciprocals): Use build_one_cst.
43 * fold-const.c (fold_plusminus_mult): Likewise.
45 2006-07-07 Roger Sayle <roger@eyesopen.com>
47 * pointer-set.c (pointer_set_destroy): Correct whitespace.
48 * cfgloopanal.c (dump_graph): Likewise.
49 * dojump.c (discard_pending_stack_adjust): Likewise.
50 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
52 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
53 * function.c (finalize_block_changes): Likewise.
54 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
55 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
56 * rtl.c (dump_rtx_statistics): Likewise.
57 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
59 * varray.c (dump_varray_statistics): Likewise.
60 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
61 decode_decimal64, encode_decimal128, decode_decimal128,
62 decimal_real_to_decimal): Likewise.
64 2006-07-07 Richard Guenther <rguenther@suse.de>
66 PR tree-optimization/28187
67 * tree-vrp.c (vrp_operand_equal_p): New function.
68 (vrp_bitmap_equal_p): Likewise.
69 (update_value_range): Use them to compare old and new
72 2006-07-06 Roger Sayle <roger@eyesopen.com>
74 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
75 a default case to switch statement to silence compiler warnings.
77 2006-07-06 Roger Sayle <roger@eyesopen.com>
80 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
81 the configured assembler supports the x87's ffreep mnemonic.
82 * configure: Regenerate.
83 * config.in: Regenerate.
85 * config/i386/i386.c (output_387_ffreep): New function.
86 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
87 (output_387_reg_move): Likewise.
89 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
91 Port to hosts whose 'sort' and 'tail' implementations
92 treat operands with leading '+' as file names, as POSIX
93 has required since 2001. However, make sure the code still
94 works on pre-POSIX hosts.
95 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
96 which says you should use "tail -c +N" rather than "tail +Nc".
97 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
99 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
101 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
104 2006-07-06 David Edelsohn <edelsohn@gnu.org>
107 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
108 PRE_{INC,DEC} of TFmode.
110 2006-07-06 David Edelsohn <edelsohn@gnu.org>
111 Alan Modra <amodra@bigpond.net.au>
114 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
117 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
120 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
121 Remove duplicate gtu.
123 2006-07-05 Jason Merrill <jason@redhat.com>
127 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
128 * c-common.c (handle_packed_attribute): So don't copy it here.
129 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
131 2006-07-05 Mike Stump <mrs@apple.com>
133 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
135 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
138 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
140 2006-07-05 Richard Guenther <rguenther@suse.de>
143 * config/i386/i386.md (*negdf2_1): Restrict pattern to
144 TARGET_SSE2 targets if using SSE math.
145 (*absdf2_1): Likewise.
147 2006-07-05 Richard Guenther <rguenther@suse.de>
149 PR tree-optimization/28162
150 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
151 make sure to convert the operands to the correct type.
153 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
155 PR tree-optimization/28218
157 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
158 to calculate and free the dominator information.
160 2006-07-04 Peter O'Gorman <peter@pogma.com>
162 * mklibgcc.in: chmod 644 before ranlib during install.
164 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
165 J"orn Rennecke <joern.rennecke@st.com>
167 * configure.ac (.eh_frame data check): Use diff -b.
169 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
172 * Makefile.in (BUILD_RTL): Add build/vec.o.
173 (build/gencondmd.o): Filter out -fkeep-inline-functions.
174 (build/genextract): Delete.
175 (build/genautomata): Likewise.
177 2006-07-04 Alan Modra <amodra@bigpond.net.au>
180 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
181 128-bit IBM long doubles for ABI_V4.
183 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
185 * tree.c (range_in_array_bounds_p): New predicate.
186 * tree.h (range_in_array_bounds_p): Declare it.
187 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
188 return a less conservative answer.
189 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
191 (IS_ELEMENT_FOR_GROUP): New macro.
192 (FOR_EACH_ACTUAL_CHILD): Likewise.
193 (next_child_for_group): New helper function.
194 (can_completely_scalarize_p): Take into account groups.
195 (sra_hash_tree): Handle RANGE_EXPR.
196 (sra_elt_eq): Likewise.
197 (lookup_element): Be prepared for handling groups.
198 (is_valid_const_index): Delete.
199 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
200 instead of is_valid_const_index.
201 <ARRAY_RANGE_REF>: New case.
202 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
203 is_valid_const_index.
204 <ARRAY_RANGE_REF>: Do not unconditionally punt.
205 (scan_dump): Dump info for groups too.
206 (decide_instantiation_1): Likewise.
207 (decide_block_copy): Assert that the element is not a group.
208 Propagate decision to groups.
209 (generate_one_element_ref): Handle RANGE_EXPR.
210 (mark_no_warning): Iterate over actual childs.
211 (generate_copy_inout): Likewise.
212 (generate_element_copy): Likewise.
213 (generate_element_zero): Likewise.
214 (generate_element_init_1): Likewise.
215 (dump_sra_elt_name): Handle RANGE_EXPR.
217 2006-07-03 Roger Sayle <roger@eyesopen.com>
219 PR tree-optimization/26251
220 * tree-ssa-threadupdate.c (redirection_block_p): New function.
221 (thread_block): When optimizing for size refuse to thread jumps
222 that would require duplication of blocks other than redirection
225 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
227 * configure.ac: Fix thinko in previous check-in.
228 * configure: Regenerate.
230 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
233 * configure.ac (for lang...): Simplify nesting of conditionals.
234 Test subdir_requires for non-enabled languages. Move processing
235 of lang_opt_files and lang_tree_fiels below that test.
236 * configure: Regenerate.
237 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
239 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
241 * doc/gcov.texi (Invoking Gcov): Add a missing word.
243 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
245 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
248 2006-06-29 Jason Merrill <jason@redhat.com>
255 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
256 * c-common.c (c_determine_visibility): Handle it here.
257 * c-decl.c (finish_decl): Call c_determine_visibility for
259 * flags.h (enum symbol_visibility): Sort from most to least visibility.
261 * varasm.c (default_assemble_visibility): Likewise.
262 * c-common.c (handle_visibility_attribute): Complain about trying
263 to give visibility to an already defined class, or trying to change
264 declared visibility. Always attach the attribute.
269 * attribs.c (decl_attributes): Ignore type-in-place attributes
270 once the type has been defined.
272 2006-06-29 Roger Sayle <roger@eyesopen.com>
275 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
276 to indicate the cpplib has issued an error message for us.
278 2006-06-29 Asher Langton <langton2@llnl.gov>
281 * config/i386/i386.c (ix86_output_function_epilogue): Don't
282 insert a label at the end of an function under Mach-O.
284 2006-06-29 Eric Christopher <echristo@apple.com>
285 Evan Cheng <evan.cheng@apple.com>
287 * predicates.md (vector_all_ones_operand): New.
288 (nonimmediate_or_sse_const_operand): Ditto.
289 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
290 * config/i386/i386.c (standard_sse_constant_opcode): Define.
291 (standard_sse_mode_p): Ditto.
292 (standard_sse_constant_p): Add case for -1 vector.
293 (ix86_expand_vector_move): Try to use.
294 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
295 Call standard_sse_constant_opcode.
296 (*movv4sf_internal): Ditto.
297 (*movv2df_internal): Ditto.
299 2006-06-29 Roger Sayle <roger@eyesopen.com>
301 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
302 of XEXP to extract the operands of a MATCH_CODE rtx.
304 2006-06-28 Andrew Pinski <pinskia@gmail.com>
306 * tree.c (tree_size): Do not waste tail padding in
307 struct tree_string and make the size be the same as
308 build_string will generate.
310 2006-06-28 Jason Merrill <jason@redhat.com>
313 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
314 may_aliases already in the tag's annotations to the bitmap.
316 2006-06-28 Roger Sayle <roger@eyesopen.com>
318 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
320 2006-06-28 Roger Sayle <roger@eyesopen.com>
322 * genpreds.c (generate_switch_p): New function.
323 (add_mode_tests): Push the new mode test down inside an AND expr
324 if this allows the switch-suitable MATCH_CODE to be near the root.
325 (write_match_code_switch): New function to write a MATCH_CODE as
327 (write_predicate_stmts): New function to write a predicate RTX
328 expression as a sequence of statements.
329 (write_one_predicate_function): Use write_predicate_stmts.
330 (write_tm_constrs_h): Likewise.
332 2006-06-26 Fred Fish <fnf@specifix.com>
334 * config/mips/t-sb1: New file.
335 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
338 2006-06-26 DJ Delorie <dj@redhat.com>
340 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
342 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
343 Jayant Sonar <jayants@kpitcummins.com>
344 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
346 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
347 (subsi3, subsi3_1, subsi3_2): New.
348 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
349 * config/m32c/mov.md (SI mov peephole): New.
350 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
351 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
353 2006-06-26 Olivier Hainque <hainque@adacore.com>
355 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
356 a CALL_EXPR target function declaration.
358 2006-06-26 Richard Guenther <rguenther@suse.de>
360 * tree.c (build_string): Do not waste tail padding in
363 2006-06-26 Richard Guenther <rguenther@suse.de>
365 * ggc-page.c (init_ggc): Add missing element to size_lookup
369 2006-06-23 Richard Guenther <rguenther@suse.de>
371 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
372 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
373 alignment requests instead. Add verification code.
374 Add struct tree_function_decl and struct tree_binfo size to
375 extra_order_size_table. Add missing element to size_lookup
378 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
381 * fold-const.c (const_binop): Be prepared for self returning zero.
382 Simplify code handling complex values.
384 2006-06-24 Olivier Hainque <hainque@adacore.com>
386 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
387 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
390 2006-06-24 Olivier Hainque <hainque@adacore.com>
392 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
393 ARRAY_REF, so have the callback called for the low bound expression.
395 2006-06-23 Janis Johnson <janis187@us.ibm.com>
397 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
398 * c-typeck.c (c_common_type): Disallow operations on decimal float
399 types and other float types.
400 * convert.c (convert_to_real): Don't ignore conversions involving
403 2006-06-23 Olivier Hainque <hainque@adacore.com>
405 * tree.c (max_int_size_in_bytes): New function, inspired from
406 code in function.c:assign_temp.
407 * tree.h (max_int_size_in_bytes): Declare.
408 * function.c (assign_temp): Use it.
409 * gimplify.c (create_tmp_var): Relax the assertions on the type
410 properties, not mandating constant size any more.
411 (force_constant_size): New static function.
412 (gimple_add_tmp_var): Use it, forcing variable size to a
413 constant upper bound if it is not constant on entry.
415 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
418 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
419 for initialization and setting of one_only flag to ...
420 (i386_pe_encode_section_info): ...here.
421 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
422 Recheck that the symbol has not been defined.
424 2006-06-23 Richard Guenther <rguenther@suse.de>
426 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
427 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
428 alignment requests instead. Add verification code.
429 Add struct tree_function_decl and struct tree_binfo size to
430 extra_order_size_table. Add missing element to size_lookup
433 2006-06-22 Roger Sayle <roger@eyesopen.com>
434 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
437 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
438 call to lang_hooks.types.type_for_mode returned NULL_TREE.
440 2006-06-23 Ben Elliston <bje@au.ibm.com>
442 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
443 negate dn -- manipulate it directly.
445 2006-06-22 Roger Sayle <roger@eyesopen.com>
446 Steven Bosscher <stevenb.gcc@gmail.com>
449 * reload1.c (gen_reload): Call mark_jump_label on the new insns
450 generated by gen_move_insn to add REG_LABEL notes if necessary.
452 2006-06-22 Bob Wilson <bob.wilson@acm.org>
454 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
455 (leaf_entry): Remove use of MIN_ESA.
457 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
459 PR rtl-optimization/28121
460 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
463 2006-06-21 DJ Delorie <dj@redhat.com>
465 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
467 (mulhisi3_r): Likewise.
469 2006-06-21 Richard Sandiford <richard@codesourcery.com>
472 * coverage.c (coverage_counter_alloc): Leave the index type
474 (coverage_counter_alloc): Use null arguments for operands 2 and 3
477 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
479 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
480 section from the "Options for Code Generation Conventions".
482 2006-06-21 Richard Henderson <rth@redhat.com>
486 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
488 (global_symbolic_operand): Allow weak symbols, even if local_p.
490 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
492 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
493 (find_interesting_uses_address): Punt if above function returns true.
495 2006-06-21 Richard Guenther <rguenther@suse.de>
497 * configure: Regenerated.
499 2006-06-21 Joseph Myers <joseph@codesourcery.com>
501 * config/mips/mips.c (function_arg): Where one part of a
502 complex argument is in registers and the other part in the stack,
503 return a REG not a PARALLEL.
505 2006-06-21 Mark Mitchell <mark@codesourcery.com>
507 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
508 when cross-compiling. Do not substitute libstdcxx_incdir.
509 * configure: Regenerated.
511 2006-06-21 Jakub Jelinek <jakub@redhat.com>
513 * varasm.c (mergeable_string_section): Check for embedded NULs and
514 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
515 rather than TREE_STRING_LENGTH bytes.
517 2006-06-21 Richard Guenther <rguenther@suse.de>
519 * ggc-page.c (extra_order_size_table): Add var_ann_d,
520 tree_ssa_name, bitmap_element and phi_node with 4 arguments
523 2006-06-21 Richrad Guenther <rguenther@suse.de>
525 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
526 Limit iteration over the dominators.
528 2006-06-20 Roger Sayle <roger@eyesopen.com>
530 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
531 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
533 2006-06-20 Richard Guenther <rguenther@suse.de>
534 Michael Matz <matz@suse.de>
536 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
538 * alloc-pool.c (free_alloc_pool_if_empty): New function.
539 * et-forest.h (et_free_pools): Prototype new function.
540 * et-forest.c (et_free_tree_force): Free parent occurrence.
541 (et_free_pools): New function.
542 * dominance.c (free_dominance_info): Free et-forest alloc
545 2006-06-20 Roger Sayle <roger@eyesopen.com>
547 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
548 integer modes, attempt to directly construct an integer constant.
550 * fold-const.c (native_encode_vector): Determine the size of each
551 element from the vector type instead of the first vector element.
553 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
554 if all of its elements/components are constant.
555 (build_constructor_from_list): Likewise.
557 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
559 PR tree-optimization/27331
560 * tree-data-ref.c (free_data_ref): New function.
561 (create_data_ref): Fail if the data reference has unknown access
563 (free_data_refs): Use free_data_ref.
565 2006-06-19 Andrew Pinski <pinskia@gmail.com>
568 * tree-inline.c (setup_one_parameter): Strip useless
569 type conversion before adding it to the IR.
570 (declare_return_variable): Likewise.
572 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
575 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
577 2006-06-19 Mike Stump <mrs@apple.com>
579 * tree.c (variably_modified_type_p): VM arguments don't make the
582 2006-06-19 Richard Guenther <rguenther@suse.de>
584 * tree-ssa-pre.c (try_combine_conversion): Strip useless
585 type conversions after folding.
587 2006-06-19 Richard Guenther <rguenther@suse.de>
589 * ggc-page.c (extra_order_size_tab): Add entries with
590 size of struct function and basic_block.
591 (size_lookup): Extend to cover sizes up to 511.
592 (ggc_alloc_stat): Adjust user.
593 (ggc_pch_count_object): Likewise.
594 (ggc_pch_alloc_object): Likewise.
595 (ggc_pch_write_object): Likewise.
597 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
599 * tree-ssa-loop-niter.c (implies_ge_p): New function.
600 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
603 2006-06-19 Denis Chertykov <denisc@overta.ru>
605 * config/avr/libgcc.S : Correct my wrong previous commit.
607 2006-06-19 Roger Sayle <roger@eyesopen.com>
610 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
611 have stripped a SUBREG from the shift count, so we may need to
612 convert_to_mode back to the type's mode before calling make_tree.
613 Use new_amount instead of amount to avoid expanding a tree twice.
615 2006-06-19 Richard Guenther <rguenther@suse.de>
618 * fold-const.c (operand_equal_p): Check if the argument types
619 have the same precision before stripping NOPs.
621 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
623 Fix PR tree-optimization/27341
624 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
626 * tree-complex.c (pass_lower_complex): Update SMT usage.
628 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
630 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
631 Add a new alternative to the constraint strings. Add move of
632 operand 1 to 3 to the splitter definition.
633 ("doloop_si_long"): Second contraint alternative removed.
635 2006-06-08 Anatoly Sokolov <aesok@post.ru>
637 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
638 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
640 (AVR_HAVE_MOVW) Define.
641 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
642 (ASM_SPEC): Add avr25.
643 (LINK_SPEC): Add avr25.
644 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
645 (base_arch_s): Add new member 'have_movw_lpmx'.
646 (avr_arch_types): Init 'have_movw_lpmx'.
647 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
648 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
649 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
650 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
651 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
653 (avr_file_start): Do not output '.arh' derective.
654 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
655 (__do_copy_data): Use __AVR_HAVE_LPMX__.
656 * config/avr/avr.md (mcu_enhanced): Delete.
657 (mcu_have_movw): Define.
658 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
659 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
660 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
661 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
662 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
663 attiny861 and at86rf401 devices.
665 2006-06-18 Jie Zhang <jie.zhang@analog.com>
667 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
670 2006-06-17 Karl Berry <karl@gnu.org>
672 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
673 doc/gccint.texi, doc/install.texi (@dircategory): Use
674 "Software development" instead of "Programming", following
675 the Free Software Directory.
677 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
679 * config/i386/i386.c (legitimate_tls_address)
680 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
681 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
682 (*tls_dynamic_gnu2_combine_64): Likewise.
684 2006-06-16 Richard Guenther <rguenther@suse.de>
687 * fold-const.c (negate_expr_p): Do not introduce undefined
688 overflow in negating INTEGER_CSTs.
689 (fold_negate_expr): Rename from negate_expr. Revert last
690 change for folding BIT_NOT_EXPR. Change semantics to
691 return NULL_TREE for non-simplified negations. Do not
692 strip type conversions and unify type handling.
693 (negate_expr): New function, wrap around fold_negate_expr
694 but ensure building a tree always. Strip type conversions
695 here, fold to result type.
696 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
698 2006-06-16 Roger Sayle <roger@eyesopen.com>
701 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
702 that (would) return their results in stack registers.
704 2006-06-16 Michael Matz <matz@suse.de>
705 Richard Guenther <rguenther@suse.de>
707 * fold-const.c (fold_truthop): Only return new tree node if
708 we canonicalized something.
710 2006-06-16 Richard Guenther <rguenther@suse.de>
712 * function.h (enum function_frequency): Move declaration
713 out of struct function.
714 (struct function): Move bool fields and the enum to the bitfield
715 section. Reorder elements to avoid padding. Remove unused
716 fields left over from the RTL inliner removal.
717 * function.c (free_after_compilation): Do not zero removed fields.
718 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
719 (ipa-type-escape.o): Likewise.
721 2006-06-16 Richard Guenther <rguenther@suse.de>
723 * cgraph.h (struct cgraph_local_info): Turn bool elements
725 (struct cgraph_node): Likewise.
726 (struct cgraph_varpool_node): Likewise.
728 2006-06-15 Richard Guenther <rguenther@suse.de>
730 * fold-const.c (fold_truth_not_expr): Rename from
731 invert_truthvalue. Give it fold_* semantics to avoid
733 (invert_truthvalue): New function. Wrapper around
735 (optimize_minmax_comparison): Avoid creating garbage.
736 (fold_unary): Use fold_truth_not_expr for folding
738 (fold_ternary): Replace uses of invert_truthvalue with
739 fold_truth_not_expr where applicable.
740 * tree.h (fold_truth_not_expr): Prototype.
742 2006-06-16 Richard Guenther <rguenther@suse.de>
744 PR tree-optimization/27781
745 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
746 * ipa-pure-const.c (target.h): Include.
747 (analyze_function): Do not analyze functions that do not
750 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
753 * tree-dfa.c (referenced_vars_dup_list): Remove.
754 (find_referenced_vars): Remove assert.
755 (referenced_var_check_and_insert): Replace dup list with assert.
756 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
757 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
759 2006-06-15 Richard Guenther <rguenther@suse.de>
761 * tree-ssa-structalias.c (alias_get_name): Avoid creating
762 extra unused identifiers if not dumping.
763 (create_variable_info_for): Likewise.
765 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
767 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
768 (derive_constant_upper_bound): Derive more precise upper bound in
769 common cases. Return type changed to double_int.
770 (record_estimate): Reflect the changed return type of
771 derive_constant_upper_bound.
772 * double-int.c (double_int_zext, double_int_sext): Fix.
774 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
776 * configure.ac (CFLAGS): Get them from the toplevel or from the
777 configure invocation.
778 * configure: Regenerate.
779 * Makefile.in (CFLAGS): Substitute value provided by configure.
781 2006-06-14 Mark Mitchell <mark@codesourcery.com>
784 * c-common.h (c_finish_omp_atomic): Adjust declaration.
785 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
786 rather than calling add_stmt on it.
787 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
789 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
792 * reload1.c (reload): Remove registers returned by update_eliminables
793 from used_spill_regs.
795 2006-06-13 DJ Delorie <dj@redhat.com>
797 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
799 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
801 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
802 html__strip_dir, html__mkdir_p. Enhance install-html target.
803 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
804 * configure: Regenerate.
806 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
808 * fold-const.c (fold_cond_expr_with_comparison): Check for
809 Objective-C++ as language in deciding COND_EXPR transformation.
811 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
814 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
815 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
816 * config/sh/lib1funcs.h (SL, SL1): Define.
817 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
818 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
819 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
820 (OBJS_Os_4_200): New variable.
821 ($(T)libgcc-Os-4-200.a): Use it.
822 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
823 when dividing 1 and/or by 0.
825 2006-06-13 Roger Sayle <roger@eyesopen.com>
827 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
828 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
829 * configure: Regenerate.
831 2006-06-13 Jie Zhang <jie.zhang@analog.com>
833 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
834 for real instruction.
836 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
839 * haifa-sched.c (check_cfg): Handle special case.
841 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
844 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
845 Add debug_info parameter. Chain the vars to the BLOCK instead
846 of the BIND_EXPR if debug info are requested for them.
847 (pop_gimplify_context): Adjust for above change.
848 (gimple_add_tmp_var): Likewise.
849 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
851 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
852 (convert_local_reference): Likewise.
853 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
854 (finalize_nesting_tree_1): Request that debug info be emitted
857 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
859 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
862 2006-06-13 Richard Guenther <rguenther@suse.de>
865 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
867 2006-06-13 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/27830
870 * tree-inline.c (copy_body_r): For copying the operand
871 of an ADDR_EXPR make sure to fold &* afterwards.
873 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
875 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
876 lvalues in the fb_none case with side-effects.
878 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
880 * tree-flow.h: Remove the prototype for
881 compute_phi_arg_on_exit.
882 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
883 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
886 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
888 * builtins.c (expand_builtin_return_addr): Only use
889 frame_pointer_rtx when count == 0 and we are expanding
890 __builtin_return_address.
892 2006-06-12 Fred Fish <fnf@specifix.com>
894 * config/mips/mips.c (mips_file_start): Create special section
895 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
897 2006-06-11 Eric Christopher <echristo@apple.com>
900 * stor-layout.c (place_field): Remove check for
901 remaining_in_alignment when aligning at the end of a run.
903 2006-06-11 Eric Christopher <echristo@apple.com>
906 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
909 2006-06-11 Roger Sayle <roger@eyesopen.com>
912 Revert incorrect fix for PR target/27158
913 2006-05-08 Roger Sayle <roger@eyesopen.com>
914 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
915 of a reg_equiv_constant if the result is a legitimate constant.
917 2006-06-11 Roger Sayle <roger@eyesopen.com>
920 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
921 extract a CONST_VECTOR element and interpret it as an integer.
922 (vspltis_constant): Use const_vector_elt_as_int instead of the
923 macro CONST_VECTOR_ELT in order to handle FP vector modes.
924 * config/rs6000/predicates.md (easy_vector_const): Consider
925 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
927 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
930 * stor-layout.c (update_alignment_for_field): Don't add extra
931 alignment for packed non-bitfield fields in ms_bitfield_layout_p
934 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
936 * config/mips/t-rtems: Add EL/EB multilib variants.
938 2006-06-09 Mike Stump <mrs@apple.com>
940 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
942 2006-06-09 David Daney <ddaney@avtrex.com>
944 * doc/install.texi: Add binutils version recommendation for mips-*-*.
946 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
948 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
950 2006-06-09 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/26998
953 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
954 of signed types, only TYPE_MIN_VALUE is special, but for both,
955 minimum and maximum value. Likewise VR_ANTI_RANGE is special
956 in this case, as is -fwrapv.
958 2006-06-08 Mike Stump <mrs@apple.com>
961 * config/darwin.c (darwin_asm_output_anchor): Disable
962 -fsection-anchors on darwin for now.
963 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
964 * rs6000/rs6000.c (optimization_options): Likewise.
966 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
969 * config/i386/i386.c (classify_argument): Skip fields with invalid
972 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
974 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
975 (cse_insn): Likewise for the stack_pointer_rtx.
977 2006-06-08 Roger Sayle <roger@eyesopen.com>
979 * tree-ssa-dom.c (record_conditions): Only record "unordered"
980 conditions from floating point comparisons.
982 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
985 * expmed.c (struct alg_hash_entry): Fix type of field T
986 to match synth_mult argument.
987 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
989 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
992 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
995 2006-06-08 Richard Guenther <rguenther@suse.de>
998 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
999 only, if overflow is defined and not trapping.
1000 (negate_expr): Likewise.
1002 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1004 PR tree-optimization/27872
1005 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1006 flag on the new exit edge of the unrolled loop.
1008 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1010 PR rtl-optimization/26449
1011 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1013 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1016 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1017 referenced_variables with matching DECL_UID's.
1018 (find_referenced_vars): Make sure duplicate list is empty to start.
1019 (referenced_var_p): Remove.
1020 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1021 Check if var is in the list, and add if needed. Update the duplicate
1022 list if a different var is in the list with the same DECL_UID.
1023 (add_referenced_var): Call routine to check and insert.
1024 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1025 * tree-flow.h (referenced_vars_dup_list): External declaration.
1027 2006-06-07 Fred Fish <fnf@specifix.com>
1029 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1032 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1035 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1036 the imaginary and real parts of a clobbered register.
1037 Emit insn to set the imaginary part.
1039 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1041 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1042 in lieu of unwind-dw2-fde.c.
1044 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1046 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1048 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1051 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1052 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1053 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1054 V4SImode temporaries and operations instead.
1056 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1058 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1061 2006-06-06 Mike Stump <mrs@apple.com>
1063 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1064 installing during build.
1066 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1068 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1070 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1071 * config/ia64/ia64.c (params.h): New header.
1072 (ia64_optimization_options): New function to adjust parameters.
1073 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1074 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1075 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1077 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1079 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1081 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1084 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1086 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1087 Victor Kaplansky <victork@il.ibm.com>
1089 PR tree-optimization/26360
1090 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1093 2006-06-04 Roger Sayle <roger@eyesopen.com>
1094 Andrew Pinski <pinskia@physics.uc.edu>
1097 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1098 for LABEL_DECL before calling DECL_WEAK.
1101 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1102 LABEL_DECL and PARM_DECL.
1104 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1108 * c-decl.c (grokdeclarator): Disallow variably modified types at
1109 file scope. Avoid marking shared array type of constant size as
1112 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1115 * c-common.c (fold_offsetof_1): Handle static members.
1117 2006-06-04 Eric Christopher <echristo@apple.com>
1119 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1120 (debug_rli): Output value for remaining_in_alignment.
1121 (update_alignment_for_field): Unconditionalize
1122 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1123 extra alignment code.
1124 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1125 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1126 * tree.h (record_layout_info_s): Remove prev_packed.
1127 * doc/extend.texi (ms_struct): Add documentation of format.
1129 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1131 * tree.h: Declare folding_initializer.
1132 * builtins.c (fold_builtin_constant_p): Give definite answer
1133 if folding inside an initializer.
1134 * fold-const.c: Define folding_initializer.
1135 (START_FOLD_INIT): Save and then set folding_initializer.
1136 (END_FOLD_INIT): Restore folding_initializer.
1138 2006-06-04 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/27039
1141 * fold-const.c (fold_comparison): Handle pointer comparison
1142 again for all comparison codes. Compare offsets in signed
1144 (fold_binary): Move code from here.
1146 2006-06-03 Roger Sayle <roger@eyesopen.com>
1149 * config/i386/i386.c (construct_container): Split static issued_error
1150 flag into issued_sse_arg_error, issued_sse_ret_error and
1151 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1152 requires the use of x87 registers and the user explicitly
1153 specified the -mno-80387 command line option.
1155 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1157 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1158 HAVE_DECL_SIGALTSTACK.
1160 (segv_handler): Use MC_FLD.
1161 * configure.ac: Check for a sigaltstack declaration.
1162 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1163 * configure: Regenerate.
1164 * config.in: Regenerate.
1166 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1169 * Makefile.in (stmp-fixinc): Fix typo.
1171 2006-06-02 Roger Sayle <roger@eyesopen.com>
1173 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1174 are type correct. Clean-up.
1175 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1176 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1178 2006-06-01 DJ Delorie <dj@redhat.com>
1180 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1181 shift, as we've disabled the "switch" insn that needs it.
1183 2006-06-01 Per Bothner <bothner@bothner.com>
1185 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1186 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1187 * c-ppoutput.c (cb_define): Don't increment line 0.
1189 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1191 * doc/invoke.texi: Add cpu_type power6.
1192 * config.gcc: Add cpu_type power6.
1193 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1194 to power5+ with Altivec.
1195 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1196 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1198 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1200 * config/avr/avr.h (SET_ASM_OP): Define.
1202 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1204 * config/bfin/bfin.c: Fix comment typos.
1206 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1209 * doc/install.texi: Document --enable-bootstrap and
1210 --disable-bootstrap.
1212 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1214 * doc/install.texi: Document that InfoZIP can replace jar.
1216 2006-05-31 Roger Sayle <roger@eyesopen.com>
1218 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1219 isn't available, directly generate the simpler x87 patterns without
1220 the (use (const_int 0)).
1221 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1222 implementation isn't available.
1223 (*negdf2_1): Likewise.
1224 (*negxf2_1): XF mode negation is always done using the x87.
1225 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1227 2006-05-31 Roger Sayle <roger@eyesopen.com>
1229 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1230 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1232 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1234 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1236 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1237 * config/bfin/bfin.c (basic-block.h): Include.
1238 (struct machine_function): New.
1239 (bfin_init_machine_status): New.
1240 (override_options): Initialize init_machine_status.
1241 (bfin_hardware_loop): New.
1242 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1243 (DEF_VEC_P (loop_info)): New.
1244 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1245 (struct loop_info): New.
1246 (loop_info): New typedef.
1247 (struct loop_work): New.
1248 (loop_work): New typedef.
1249 (DEF_VEC_O (loop_work)): New.
1250 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1251 (bfin_dump_loops): New.
1252 (bfin_bb_in_loop): New.
1253 (bfin_scan_loop): New.
1254 (bfin_optimize_loop): New.
1255 (bfin_reorg_loops): New.
1256 (bfin_reorg): Use bfin_reorg_loops.
1257 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1259 (I_REGNO_P): Simplify.
1260 (DP_REGNO_P, DPREG_P): New macros.
1261 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1262 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1263 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1264 Add LT_REGS, LC_REGS, LB_REGS.
1265 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1267 (REGNO_REG_CLASS): Deal with loop registers.
1268 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1270 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1271 New constants for loop registers.
1272 (UNSPEC_LSETUP_END): New.
1273 (seq_insns): New define_attr. Set it for appropriate insns.
1274 (movsi_insn): Add alternatives for move from/to
1275 loop count registers.
1276 (doloop_end): New define_expand.
1277 (loop_end): New define_insn.
1278 (define_split for bad doloop_end): New.
1279 (lsetup_with_autoinit): New define_insn.
1280 (lsetup_without_autoinit): New define_insn.
1281 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1282 * config/bfin/predicates.md (lc_register_operand): New.
1283 (lt_register_operand): New.
1284 (lb_register_operand): New.
1285 (nondp_register_operand): New.
1286 (nondp_reg_or_memory_operand): New.
1287 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1289 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1291 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1292 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1294 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1296 * Makefile.in (CATALOGS): Add po/ prefix.
1297 * configure: Regenerated.
1299 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1302 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1303 a shift operand before calling shift_op. Avoid redundant call of
1306 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1307 DJ Delorie <dj@redhat.com>
1309 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1310 we're inserting is a singlt-bit constant.
1312 2006-05-30 Roger Sayle <roger@eyesopen.com>
1314 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1315 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1317 2006-05-30 Roger Sayle <roger@eyesopen.com>
1319 PR tree-optimization/23452
1320 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1321 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1322 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1323 complex values and with -ffast-math for FP complex values.
1325 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1327 * c-common.h: Remove the prototype for yyparse.
1328 * rtl.h: Remove the prototype for init_loop.
1330 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1332 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1335 2006-05-30 Roger Sayle <roger@eyesopen.com>
1337 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1339 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1340 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1342 2006-05-30 Dirk Mueller <dmueller@suse.de>
1345 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1346 for CONSTANT_CLASS_P expresisons.
1348 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1351 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1353 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1355 PR tree-optimization/27779
1356 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1357 initial_condition instead of CHREC_LEFT.
1359 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1361 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1362 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1363 Make prototypes ISO C90.
1365 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1366 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1368 * see.c (see_analyze_one_def): Correct check.
1369 (see_get_extension_data): Check if extension is parallel.
1370 (see_get_extension_reg): Likewise.
1372 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1375 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1376 into register for (code == GTU).
1378 2006-05-29 Roger Sayle <roger@eyesopen.com>
1380 PR tree-optimization/24964
1381 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1382 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1383 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1384 abs(x)*abs(x) as x*x for scalar floating point modes.
1386 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1389 * lambda-code.c (perfect_nestify): Don't copy statements
1390 in the inner loop: move them to the inner loop header.
1392 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1395 * c-tree.texi: Document OpenMP directives and clauses.
1397 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1399 * varasm.c (globalize_decl): Fix indentation.
1401 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1404 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1405 pass_fre, pass_store_ccp, pass_copy_prop,
1406 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1407 pass_return_slot, pass_object_size, pass_lim,
1408 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1409 pass_loop_prefetch and pass_stdarg.
1411 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1413 * config/bfin/bfin.opt (mfdpic): New option.
1414 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1415 (EXTRA_MULTILIB_PARTS): Likewise.
1416 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1417 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1419 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1420 (CRT_CALL_STATIC_FUNCTION): New.
1421 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1423 (CRT_CALL_STATIC_FUNCTION): New.
1424 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1426 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1427 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1428 (initialize_trampoline): Changed to handle FD-PIC code generation.
1429 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1430 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1431 (override_options): Disallow -mid-shared-library -mfdpic combination.
1432 Can't do unaligned ops if FD-PIC.
1433 Turn off flag_pic if trying to generate non-id-shared-library
1434 non-fdpic code, since it's not supported.
1435 (bfin_assemble_integer): New function.
1436 (TARGET_ASM_INTEGER): Define.
1437 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1439 * config/bfin/crtn.s: Restore them.
1440 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1442 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1443 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1444 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1445 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1446 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1448 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1449 FDPIC_REGS and FDPIC_FPTR_REGS.
1450 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1451 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1452 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1453 (load_funcdescsi): New pattern.
1454 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1455 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1456 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1458 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1460 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1463 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1465 * tree-flow.h: Remove the prototype for add_type_alias.
1466 * tree-ssa-alias.c (add_type_alias): Remove.
1468 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1470 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1471 config/fr30/fr30.md, config/i386/i386-interix.h,
1472 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1473 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1474 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1475 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1476 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1477 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1478 Follow spelling conventions.
1479 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1480 Follow spelling conventions.
1482 2006-05-27 Richard Guenther <rguenther@suse.de>
1485 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1486 to produce a constant of value 1 of generic type.
1488 2006-05-27 Dirk Mueller <dmueller@suse.de>
1490 * cgraphunit.c (decide_is_function_needed): Fix wrong
1493 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1495 PR rtl-optimization/27661
1496 * reload.c (find_reloads): When reloading a VOIDmode constant
1497 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1498 use Pmode as mode of the reload register.
1500 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1502 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1503 is enabled at -O and above.
1505 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1508 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1511 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1514 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1515 for anonymous variables explicitly declared by front ends.
1517 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1519 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1520 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1521 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1522 ref-all pointers, run a finalization pass for them.
1523 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1524 (finalize_ref_all_pointers): New function.
1525 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1526 regular pointer type to a ref-all pointer type.
1527 (get_tmt_for): Return the special memory tag for ref-all pointers.
1529 2006-05-25 Richard Guenther <rguenther@suse.de>
1532 * fold-const.c (fold_binary): Do not look at the stripped
1533 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1535 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1537 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1538 for LT and GT if the computed range is effectively empty.
1540 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1543 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1544 mips_quad_format formats instead of ieee_single_format,
1545 ieee_double_format and ieee_quad_format formats, respectively.
1547 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1549 PR tree-optimization/27639
1550 PR tree-optimization/26719
1551 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1552 call to scev_probably_wraps_p.
1553 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1554 used_in_pointer_arithmetic_p, convert_step): Removed.
1555 (nowrap_type_p): New function.
1556 (scev_probably_wraps_p): Rewritten.
1557 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1558 chrec_convert if chrec_convert_aggressive might have been used.
1559 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1560 scev_direction): New functions.
1561 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1562 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1563 instead of convert_step.
1564 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1565 (convert_step): Declaration removed.
1566 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1568 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1570 * df-core.c: Added to header comments.
1571 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1572 df_ur_bb_info, df_urec_bb_info): Added comments.
1573 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1574 urec, ri problems): Fixed header comments.
1575 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1576 code from df_rd_transfer_function.
1578 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1580 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1581 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1582 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1584 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1586 * expr.c (undefined_operand_subword_p): New.
1587 (emit_move_multi_word): Do not generate move from undefined bits
1588 of a paradoxical subreg.
1590 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1592 PR rtl-optimization/27736
1593 * combine.c (replaced_rhs_value): New variable.
1594 (combine_instructions): Set it.
1595 (distribute_notes): When distributing a note in replaced_rhs_insn,
1596 check whether the value was used in replaced_rhs_value.
1598 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1601 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1602 add_referenced_var instead of add_referenced_tmp_var.
1603 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1604 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1606 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1607 tree_optimize_tail_calls_1): Use add_referenced_var.
1608 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1609 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1610 Use add_referenced_var.
1611 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1612 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1613 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1614 Use add_referenced_var.
1615 * tree-dfa.c (struct walk_state): Remove.
1616 (find_referenced_vars): Remove walk state and vars_found hash table.
1617 (make_rename_temp): Use add_referenced_var.
1618 (find_vars_r): Pass less parameters to add_referenced_var.
1619 (referenced_var_p): New. Is var in referenced_var hash table.
1620 (referenced_var_insert): Assert var isn't already in hash table.
1621 (add_referenced_var): Don't need walk_state parameter. Add var if it
1622 isn't already in the hash table.
1623 (add_referenced_tmp_var): Remove.
1624 (find_new_referenced_vars_1): Use add_referenced_var.
1625 * tree-ssa-pre.c (create_expression_by_pieces,
1626 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1627 Use add_referenced_var.
1628 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1629 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1630 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1632 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1633 vect_create_data_ref_ptr, vect_create_destination_var,
1634 vect_init_vector, vect_build_loop_niters,
1635 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1636 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1637 Use add_referenced_var.
1638 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1639 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1640 (add_referenced_var): Add prototype.
1641 * tree-ssa-structalias.c (get_constraint_for,
1642 intra_create_variable_infos): Use add_referenced_var.
1644 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1646 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1647 big-endian paradoxical subregs.
1648 * var-tracking.c (struct micro_operation_def): Document that,
1649 for modify micro operations, insn is the subsequent instruction.
1650 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1651 (var_reg_set, var_mem_set): ... new functions.
1652 (add_stores): Record subsequent insn.
1653 (compute_bb_dataflow): Use new functions for MO_USE.
1654 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1655 notes after the insn, and modify notes before the insn known
1656 to be the subsequent one.
1657 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1659 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1662 * config/i386/i386.c (ix86_expand_builtin): Use
1663 gen_sse3_monitor64 for TARGET_64BIT.
1665 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1667 PR rtl-optimization/26375
1668 PR rtl-optimization/26855
1669 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1671 (df_ru_bb_local_compute): Reversed statements and removed bogus
1672 comment explaining why they should be in wrong order.
1673 (df_ru_dump, df_rd_dump): Enhanced debug info.
1674 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1676 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1677 reaching uses and fixed space problem.
1679 2006-05-23 Jan Hubicka <jh@suse.cz>
1681 * cgraphunit.c (decide_is_function_needed): Also nested functions
1682 and functions declared inline can be optimized out at -O0.
1684 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1686 * doc/install.texi (Configuration): Remove reference to CrossGCC
1690 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1693 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1694 ix86_compare_emitted is non-NULL.
1696 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1699 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1702 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1704 PR rtl-optimization/25514
1705 * combine.c (replaced_rhs_insn): New variable.
1706 (combine_instructions): Set replaced_rhs_insn when trying to replace
1707 a SET_SRC with a REG_EQUAL note.
1708 (distribute_notes): Use replaced_rhs_insn when determining the live
1709 range of a REG_DEAD register.
1711 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1712 Anatoly Sokolov <aesok@post.ru>
1714 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1715 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1716 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1717 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1718 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1719 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1720 at90usb647, at90usb1286 and at90usb1287 devices.
1721 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1722 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1724 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1726 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1728 2006-05-22 Richard Guenther <rguenther@suse.de>
1731 2006-01-31 Richard Guenther <rguenther@suse.de>
1732 Paolo Bonzini <bonzini@gnu.org>
1734 * doc/install.texi (--disable-libgcc-math): Document.
1736 2006-05-22 Richard Guenther <rguenther@suse.de>
1739 2006-01-31 Richard Guenther <rguenther@suse.de>
1741 * doc/invoke.texi (-msselibm): Document.
1742 * target.h (expand_library_builtin): New target hook.
1743 * builtins.c (expand_builtin): Use expand_library_builtin.
1744 (default_expand_library_builtin): New function.
1745 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1746 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1747 (link_gcc_math_spec): Declare.
1748 (static_specs): Add link_gcc_math_spec.
1749 * expr.h (default_expand_library_builtin): Declare.
1750 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1751 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1752 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1753 * config/i386/i386.opt (msselibm): New target option.
1754 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1755 (ix86_init_sse_abi_builtins): New function.
1756 (ix86_expand_library_builtin): Likewise.
1757 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1758 (override_options): Handle error conditions wrt -msselibm.
1759 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1760 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1761 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1764 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1767 * c-common.c (self_promoting_args_p): Skip erroneous args.
1770 * c-decl.c (finish_struct): Skip erroneous fields.
1772 2006-05-22 Nick Clifton <nickc@redhat.com>
1774 * config/cris/cris.opt (march): Remove VarExists attribute.
1775 (max-stackframe=): Likewise.
1777 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1779 * doc/rtl.texi: Fix a typo.
1780 * see.c: Fix comment typos.
1782 * tree-ssa-structalias.h (alias_info): Remove num_references.
1784 2006-05-21 Mike Stump <mrs@apple.com>
1786 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1788 (darwin_pragma_options): Use BAD instead.
1789 (darwin_pragma_unused): Likewise.
1790 (darwin_pragma_ms_struct): Likewise.
1792 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1794 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1796 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1798 PR rtl-optimization/27671
1799 * simplify-rtx.c (simplify_relational_operation_1): Fix
1800 simplifications of (eq/ne (xor x y) y) and
1801 (eq/ne (xor x y) x).
1803 PR tree-optimization/26622.
1804 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1807 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1809 * tree-cfg.c: Prune whitespace.
1810 (debug_tree_cfg): Point to correct header containing the
1813 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1816 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1818 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1821 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1822 or sorry count is non zero.
1824 2006-05-20 Andreas Schwab <schwab@suse.de>
1826 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1828 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1829 Kenneth Zadeck <zadeck@naturalbridge.com>
1831 PR rtl-optimization/26855
1833 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1835 (df_scan_alloc): Added code to properly handle multiword hard
1836 registers and add all_blocks parameter.
1837 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1838 code to properly handle multiword hard registers.
1839 (df_rescan_blocks): Added code to remove deleted blocks from
1841 (df_ref_create_structure, df_ref_record): Added code to properly
1843 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1844 and set DF_REF_PARTIAL.
1845 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1846 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1847 (df_scan_add_problem): Added flags parameter.
1848 (df_ref_create_structure): Changed switching structure.
1849 (df_bb_refs_record): Fixed case where duplicate artificial refs
1850 were created. Changed location of flags.
1851 (df_record_entry_block_defs): Added code to make stack pointer
1852 live in entry block. Refined cases where frame pointer is needed.
1853 Changed location of flags.
1854 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1855 (df_set_state): Removed function.
1856 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1857 df_insn_create_insn_record, df_insn_refs_delete,
1858 df_ref_create_structure): Formatting changes.
1859 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1860 df_delete_basic_block): New function.
1861 (df_init): Changed location of flags.
1862 (df_add_problem): Added flags parameter and the way flags are
1864 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1865 debug_df_chain): Improved debugging output.
1866 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1867 (df_refs_chain_dump): Removed df parameter.
1868 (df_iterative_dataflow): Added consistency check.
1869 (df_prune_to_subcfg): Made public.
1870 (df_analyze_problem): Added blocks_to_init parameter and made
1872 (df_ref_record, df_bb_refs_record, df_mark_reg,
1873 df_record_exit_block_uses): Whitespace changes.
1874 (df_dump): Whitespace changes.
1875 * df.h: Some reordering to remove forward references.
1876 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1877 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1878 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1879 (dataflow.flags): New field.
1880 (df.flag): Deleted field.
1881 (df_alloc_function): Added additional bitmap parameter.
1882 (df_dependent_problem_function): New type.
1883 (df_problem.changeable_flags): New field.
1884 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1885 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1886 (df_mw_hardreg): New struct.
1887 (DF_INSN_UID_MWS): New macro.
1888 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1890 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1891 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1892 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1893 (df_set_state): Removed function.
1894 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1895 * df-problems.c (df_chain_dump): Removed df parameter.
1896 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1897 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1899 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1900 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1901 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1902 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1903 DF_REF_MUST_CLOBBER cases.
1904 (df_ru_bb_local_compute_process_def,
1905 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1906 df_lr_bb_local_compute, df_ur_bb_local_compute,
1907 df_chain_create_bb): Made subreg aware.
1908 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1909 df_lr_bb_local_compute, df_lr_bb_local_compute,
1910 df_chain_create_bb): Cleanup to use proper macros.
1911 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1912 code to fixup bitvectors.
1913 (df_ri_alloc): Cleared lifetime.
1914 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1915 df_create_unused_note): New function.
1916 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1917 REG_DEAD and REG_UNUSED notes as well as register information.
1918 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1919 df_chains_dump): Fixed crash if problem was never run.
1920 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1921 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1922 df_ri_add_problem): Processes flags in uniform manner.
1923 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1924 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1925 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1926 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1927 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1928 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1929 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1930 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1931 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1932 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1933 * see.c (see_initialize_data): Ditto.
1934 * final.c (rest_of_clean_state) Added regstack_completed.
1935 * rtl.h (regstack_completed): Ditto.
1936 * reg-stack.c (regstack_completed): Ditto.
1938 2006-05-19 Mike Stump <mrs@apple.com>
1940 * c-tree.h (default_conversion): Remove.
1941 * c-common.h (default_conversion): Add.
1943 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1945 * tree-vrp.c (valid_value_p): New function.
1946 (adjust_range_with_scev): Fail if the value of bound is not
1949 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1951 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1952 (mips_fallback_frame_state): Use syscall numbers to determine
1953 the appropriate li instruction for the current ABI. Only use
1954 __NR_sigreturn for o32.
1956 2006-05-19 Nicolas Setton <setton@adacore.com>
1958 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1959 * langhooks.c (lhd_dwarf_name): New function.
1960 * langhooks-def.h (lhd_dwarf_name): Declare.
1961 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1962 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1963 * ada/misc.c (gnat_dwarf_name): New function.
1964 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1966 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1968 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1970 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1971 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1972 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1973 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1974 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1975 determine the size of Wtype, etc.
1976 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1977 (swfloatfuncs): New variable.
1978 (dwfloatfuncs): Likewise.
1979 (lib2funcs): Remove floating-point conversion functions from
1980 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1981 the set of conversion routines needed. Allow entries to specify
1982 an object name, filename and word size. Update users accordingly.
1983 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1984 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1988 2006-02-08 Roger Sayle <roger@eyesopen.com>
1991 * config/fixtfdi.c: New libgcc source file.
1992 * config/fixunstfdi.c: New source file.
1993 * config/floatditf.c: New source file.
1994 * config/floatunditf.c: New souce file.
1995 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1996 files above instead of config/mips/_tilib.c.
1997 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1999 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2001 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2002 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2004 2006-05-18 Mike Stump <mrs@apple.com>
2006 Fix up vla, vm and [*] sematics.
2012 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2013 (c_vla_unspec_p): Add.
2014 (c_vla_type_p): Add.
2015 * c-decl.c (struct c_scope): Add had_vla_unspec.
2016 (build_array_declarator): Add support for [*].
2017 (grokdeclarator): Likewise.
2018 (grokparms): Likewise.
2019 (get_parm_info): Likewise.
2020 * c-objc-common.c (c_vla_unspec_p): Likewise.
2021 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2022 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2023 typeof when argument is a variably modified type not inside sizeof or alignof.
2024 (c_parser_direct_declarator_inner): Propagate errors.
2025 (c_parser_sizeof_expression): Add support for [*].
2026 (c_parser_parms_declarator): Initialize had_vla_unspec.
2027 (c_parser_parms_list_declarator): Likewise.
2028 * c-typeck.c (c_vla_type_p): Add.
2029 (composite_type): Add support for vla compositing.
2030 (comptypes_internal): Add support for vla compatibility.
2031 (c_expr_sizeof_expr): Evaluate vla arguments.
2032 * tree.c (variably_modified_type_p): Update comment for [*].
2034 2006-05-18 Michael Matz <matz@suse.de>
2037 * config.host: Make assignments to host_xmake_file cumulative.
2038 * config.host (*-darwin*): Test $host, not $target.
2040 2006-05-12 Stuart Hastings <stuart@apple.com>
2042 * config/i386/i386.opt (-mstackrealign): New flag.
2043 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2044 (ix86_handle_cconv_attribute): Emit error when
2045 force_align_arg_pointer attribute collides with too many regparms.
2046 (ix86_function_regparm): Limit regparms when used with
2047 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2048 Support stack-realigning prologue in non-main functions. Emit
2049 warning for nested functions under -mstackrealign, emit error for
2050 nested functions with force_align_arg_pointer attribute.
2051 * doc/extend.texi (force_align_arg_pointer): Document it.
2052 * doc/invoke.texi (-mstackrealign): Document it.
2054 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2056 PR rtl-optimization/27477
2057 * combine.c (try_combine): Don't split a parallel consisting
2058 of two sets into two individual sets if both sets reference
2061 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2063 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2064 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2066 * doc/options.texi (VarExists): Updated.
2068 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2070 * unwind-dw2.c: Add declarations for uw_update_context and
2072 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2073 detected, advance frame state and context once to skip over stub.
2075 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2079 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2080 Call rewrite_into_loop_closed_ssa only when something changed.
2081 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2082 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2083 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2084 Test for perfect_nest_p here. Fix formating.
2085 (replace_uses_equiv_to_x_with_y): Fix formating.
2086 (stmt_uses_op): Removed.
2087 (can_convert_to_perfect_nest): Removed loopivs parameter.
2088 Complete the test by checking the scalar dependences.
2089 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2092 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2095 From Dan Kegel <dank@kegel.com>:
2096 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2098 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2100 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2101 if the element type is variably modified without recursing.
2103 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2106 * tree-loop-linear.c (try_interchange_loops): Test for
2107 no data dependences.
2109 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2111 PR tree-optimization/27548
2112 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2113 range of ssa names that appear on abnormal edges.
2114 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2115 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2117 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2120 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2122 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2125 * tree.h (OMP_PARALLEL_COMBINED): Define.
2126 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2127 (new_omp_context): Add is_combined_parallel argument.
2128 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2129 new_omp_context caller.
2130 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2131 Adjust gimplify_scan_omp_clauses callers.
2132 (omp_is_private): Issue errors if iteration variable is firstprivate
2133 or reduction in the current context.
2134 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2135 on combined parallel workshare constructs.
2137 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2139 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2140 (gcc-options.o): New rule.
2142 * optc-gen.awk: Protect variables for gcc-options.o with
2143 #ifdef GCC_DRIVER/#endif.
2145 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2147 Fix PR tree-optimization/27373
2148 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2149 (forward_propagate_addr_expr): Update call.
2151 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2153 * doc/options.texi: Move the Negative option.
2155 2006-05-16 Richard Guenther <rguenther@suse.de>
2157 PR tree-optimization/22303
2158 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2160 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2161 ccp_fold did not simplify the statement.
2163 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2166 * Makefile.in (GCC_OBJS): New.
2167 (OBJS-common): Add opts-common.o.
2168 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2169 (cpp$(exeext)): Likewise.
2170 (gcc.o): Also depend on opts.h.
2171 (opts-common.o): New.
2173 * common.opt (gcoff): Add Negative(gdwarf-2).
2174 (gdwarf-2): Add Negative(gstabs).
2175 (gstabs): Add Negative(gstabs+).
2176 (gstabs+): Add Negative(gvms).
2177 (gvms): Add Negative(gxcoff).
2178 (gxcoff): Add Negative(gxcoff+).
2179 (gxcoff+): Add Negative(gcoff).
2180 * config/i386/i386.opt (m32): Add Negative(m64).
2181 (m64): Add Negative(m32).
2183 * doc/options.texi: Document the Negative option.
2185 * gcc.c: Include "opts.h".
2186 (main): Call prune_options after expandargv.
2188 * optc-gen.awk: Generate common declarations for all flag
2189 variables in options.c. Output the neg_index field.
2191 * opts.c (find_opt): Moved to ...
2192 * opts-common.c: Here. New file.
2194 * opts.h (cl_option): Add a neg_index field.
2196 (prune_options): Likewise.
2198 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2201 * omp-low.c (expand_omp_parallel): Don't assert
2202 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2203 instead search for it.
2206 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2209 2006-05-16 Andreas Schwab <schwab@suse.de>
2211 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2214 2006-05-15 Roger Sayle <roger@eyesopen.com>
2217 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2218 integer constants other than zero are only legitimate on TARGET_64BIT.
2219 <CONST_VECTOR> Only zero vectors are legitimate.
2220 (ix86_cannot_force_const_mem): Integral and vector constants can
2221 always be put in the constant pool.
2223 2006-05-16 DJ Delorie <dj@redhat.com>
2225 * crtstuff.c (__dso_handle): Set section from
2226 TARGET_LBIGCC_SDATA_SECTION if defined.
2227 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2228 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2230 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2233 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2236 2006-05-16 Ben Elliston <bje@au.ibm.com>
2238 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2240 2006-05-15 Per Bothner <per@bothner.com>
2242 * tree.c: (last_annotated_node): Use source_locus typedef.
2243 This permits bootstrapping with --enable-mapped-location.
2245 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2247 PR tree-optimization/26830
2248 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2249 (info_for_ssa_name, current_info_for_ssa_name_age,
2250 blocks_to_update): New variables.
2251 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2252 (clear_ssa_name_info, initialize_flags_in_bb,
2253 mark_block_for_update): New functions.
2254 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2255 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2256 prepare_def_site_for): Use mark_block_for_update.
2257 (mark_def_interesting): Assert that the processed block is marked in
2258 blocks_to_update. Do not take blocks argument.
2259 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2261 (rewrite_update_init_block, rewrite_update_stmt): Only process
2262 blocks with statements to rewrite.
2263 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2264 (update_ssa): Initialize and free blocks_to_update. Do not
2265 clear flags on statements. Do not use blocks bitmap.
2266 * tree.h (SSA_NAME_AUX): Removed.
2267 (struct tree_ssa_name): Removed aux field.
2268 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2270 2006-05-15 Richard Guenther <rguenther@suse.de>
2272 PR tree-optimization/27603
2273 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2274 Do computations in original type.
2276 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2278 * see.c: Code style changes such as redundant paranthesis,
2279 redundant intialization of local variables etc.
2280 (see_main): Declared now as static.
2281 * doc/invoke.texi: Update that -fsee is not enabled by
2284 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2286 * omp-low.c (check_omp_nesting_restrictions): New function.
2287 (scan_omp_1): Call it.
2290 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2291 construct, return *VAR.
2293 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2295 PR rtl-optimization/27406
2296 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2299 2006-05-14 Roger Sayle <roger@eyesopen.com>
2301 PR rtl-optimization/27538
2302 * combine.c (expand_compound_operation): Call gen_lowpart
2303 before calling simplify_shift_const.
2305 2006-05-14 Roger Sayle <roger@eyesopen.com>
2307 PR rtl-optimization/22563
2308 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2309 a fixed width bitfield, always force the intermediates into psuedos.
2311 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2314 * mkconfig.sh: Use operator = instead of == for test.
2316 2006-05-13 Nick Clifton <nickc@redhat.com>
2318 * dwarf2out.c (dbx_reg_number): Check return value from
2319 LEAF_REG_REMAP and only use it if it is valid.
2320 (multiple_reg_loc_descriptor): Likewise.
2322 2006-05-13 Richard Guenther <rguenther@suse.de>
2324 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2327 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2329 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2330 information attached to non-INSNs such as NOTEs.
2331 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2333 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2335 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2337 * config/s390/s390.md: Adjust comment describing On constraint.
2339 2006-05-11 Jan Hubicka <jh@suse.cz>
2341 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2342 to be output at -O0.
2344 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2347 * fold-const.c (size_binop): Move sanity check for arguments to
2348 the beginning of the function.
2351 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2354 2006-05-11 Richard Guenther <rguenther@suse.de>
2357 * fold-const.c (fold_unary): Handle intermediate conversion
2358 to a pointer type like intermediate conversion to an integer
2359 type in folding of (T1)(T2)var to var.
2360 Match the code to the comment in the final conversion for
2361 (T1)(T2)var to (T1)var regarding to type precision. Rather
2362 than disallow T1 being of pointer type, assert that both T1
2363 and var are of pointer type or not. Make sure not to fall
2364 over the frontends lazyness wrt array to pointer decay though.
2366 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2368 * arm.c (arm_struct_value_rtx): Delete.
2369 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2370 (arm_init_cumulative_args): Always initialize nregs to zero.
2372 2006-05-10 Richard Guenther <rguenther@suse.de>
2374 PR tree-optimization/27532
2375 * tree-object-size.c (plus_expr_object_size): Fix typo.
2377 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2380 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2381 ashrdi_const, ashrdi3): Use a scratch register.
2383 2006-05-10 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/27302
2386 * fold-const.c (operand_equal_p): For two comparisons,
2387 try comparison of one comparison code swapped if that yields
2390 2006-05-10 Ben Elliston <bje@au.ibm.com>
2392 * tree-pretty-print.c (pretty_print_string): No need to handle
2393 '\0' as a special character.
2395 * tree.h: Include "hashtab.h".
2396 (iterative_hash_expr): Use hashval_t in its prototype.
2397 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2399 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2402 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2403 (hppa*64*-*-hpux11*): Ditto.
2404 (hppa[12]*-*-hpux11*): Ditto.
2406 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2409 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2411 2006-05-09 Michael Matz <matz@suse.de>
2413 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2414 host_extra_gcc_objs and host_xmake_file.
2415 (<*-*-linux*>): Don't overwrite host_xmake_file.
2416 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2417 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2418 (host_detect_local_cpu): Declare.
2419 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2420 * config/i386/i386.c (override_options): Handle -mtune=native
2422 * config/i386/x-i386: New file.
2423 * config/i386/driver-i386.c: New file.
2424 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2427 2006-05-09 Dirk Mueller <dmueller@suse.de>
2428 Richard Guenther <rguenther@suse.de>
2431 * fold-const.c (fold_read_from_constant_string): Relax check
2432 for matching types to matching modes.
2434 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2436 PR rtl-optimization/27335
2437 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2440 2006-05-08 Chao-ying Fu <fu@mips.com>
2441 Richard Sandiford <richard@codesourcery.com>
2443 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2444 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2445 * config/mips/mips.md (UNSPEC_SCC): New constant.
2446 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2447 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2448 (mips_emit_compare): Use it.
2449 (mips_expand_vcondv2sf): New function.
2451 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2453 Fix PR tree-optimization/27093
2454 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2455 renaming when they become not-used_alone.
2457 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2459 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2460 relocation and relocation stubs.
2462 2006-05-08 Eric Christopher <echristo@apple.com>
2464 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2467 2006-05-08 Jan Hubicka <jh@suse.cz>
2470 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2471 unused static functions are needed.
2473 2006-05-08 Roger Sayle <roger@eyesopen.com>
2476 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2477 of a reg_equiv_constant if the result is a legitimate constant.
2479 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2482 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2483 standard 80387 constants, raise the cost to prevent
2484 compress_float_constant() to generate load from memory.
2486 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2488 * config/arm/constraints.md (c): Fix a typo.
2490 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2493 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2496 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2498 (_mm_mwait): Likewise.
2500 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2502 (sse3_monitor): Make it 32bit only.
2503 (sse3_monitor64): New. 64bit monitor.
2505 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2508 * config/i386/i386.c (classify_argument): Skip fields with invalid
2511 2006-05-07 Richard Guenther <rguenther@suse.de>
2513 PR tree-optimization/27409
2514 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2515 Do not try to find zero-sized subvars.
2517 2006-05-07 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/27136
2520 * tree-ssa-loop-niter.c (get_val_for): Correct function
2521 comment, assert requirements.
2522 (loop_niter_by_eval): Stop processing if the iterated
2523 value did not simplify.
2525 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2527 * opts.c (flag_see): remove its setting at -O3.
2529 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2531 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2532 * arm/constraints.md: New file.
2533 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2534 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2535 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2536 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2537 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2538 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2539 * arm.md: Include constraints.md.
2540 (thumb_movsi_insn): Use satisfies_constraint_J.
2541 (movhi, movqi): Use satisfies_constraint_I.
2543 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2545 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2546 for atmeg a645 device.
2548 2006-05-06 Richard Guenther <rguenther@suse.de>
2550 PR tree-optimization/27151
2551 * tree-vect-transform.c (vectorizable_condition): Punt on
2552 values that have a different type than the condition.
2554 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2557 * c-parser.c (c_parser_cast_expression): Only insert casts into
2558 hash table if pointer.
2559 * function.c (used_types_insert_helper): Rename from
2561 (used_types_insert): Call used_types_insert_helper.
2562 * function.h (used_types_insert): Accept only one argument.
2564 2006-05-05 David Edelsohn <edesohn@gnu.org>
2566 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2567 scratch with output modifier.
2569 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2572 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2573 with output modifier.
2575 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2578 * config/mips/mips.c (mips_symbolic_address_p): Return true
2579 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2580 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2582 2006-05-04 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/14287
2585 PR tree-optimization/14844
2586 PR tree-optimization/19792
2587 PR tree-optimization/21608
2588 PR tree-optimization/27090
2589 * tree-ssa-pre.c (try_combine_conversion): New function.
2590 (compute_avail): After constructing the value-handle
2591 expression, use try_combine_conversion to combine NOP_EXPRs
2592 with previous value-handle expressions and use the result if it
2595 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2597 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2599 2006-05-04 Jan Hubicka <jh@suse.cz>
2602 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2604 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2606 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2607 that this only matches CONST_INTs. All users changed to VOIDmode
2610 * config/bfin/bfin.c: Include "optabs.h".
2611 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2613 (enum bfin_builtins): Add a number of fractional and vector builtins.
2614 (bfin_init_builtins): Likewise.
2615 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2616 (safe_vector_operand, bfin_expand_binop_builtin,
2617 bfin_expand_unop_builtin): New functions.
2618 (bfin_expand_builtin): Handle the new builtins.
2619 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2622 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2625 * Makefile.in (OBJS-common): Add see.o.
2626 (see.o): Add dependencies.
2627 * common.opt (fsee): New flag for the see optimization was added.
2628 * opts.c (flag_see): Initialized.
2629 * passes.c (init_optimization_passes, pass_see): New pass.
2630 * rtl.h (see_main): Declaration as extern.
2631 * timevar.def (TV_SEE): New.
2632 * tree-pass.h (pass_see): Declaration as extern.
2633 * invoke.texi (-fsee): Document.
2634 * recog.c (validate_simplify_insn): New function.
2635 * recog.h (validate_simplify_insn): Declaration as extern.
2636 * df-problems.c (df_chain_dump): Check for NULL.
2638 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2639 Daniel Berlin <dberlin@dberlin.org>
2641 * cfgrtl.c (insert_insn_bb_end_new): New function.
2642 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2644 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2646 * df.h (struct web_entry): Moved from web.c.
2647 (union_defs): Declaration as extern.
2648 (unionfind_root): Likewise.
2649 (unionfind_union): Likewise.
2650 * web.c (struct web_entry): Moved to df.h.
2651 (unionfind_root): Remove static declaration.
2652 (unionfind_union): Likewise.
2653 (union_defs): Likewise and generalize to use callback function.
2654 (web_main): Update arguments for union_defs function call.
2656 2006-05-04 Richard Guenther <rguenther@suse.de>
2658 PR tree-optimization/26447
2659 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2660 produce SSA_NAME copies before the store stmt to avoid
2661 breaking exception handling.
2663 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2666 * gimplify.c (omp_is_private): If var is shared in some outer context,
2667 return false instead of true. Stop searching on parallel context
2670 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2673 * coverage.c: Use get_gcov_unsigned_t() instead of
2674 unsigned_type_node all over.
2676 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2678 PR tree-optimization/27381
2679 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2680 maintain the same immediate_use links.
2681 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2682 node rather than segfaulting.
2684 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2687 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2688 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2689 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2691 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2693 Fix PR tree-optimization/26626
2694 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2696 * tree-ssa-operands.c (access_can_touch_variable): Allow
2697 typecasting through union pointers.
2699 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2702 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2703 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2704 to find if var will be a global variable even in the nested context.
2705 (omp_copy_decl): Only check for global variable at the end, it might
2706 be overridden in outer contexts.
2707 (scan_sharing_clauses): For global variables don't create a field.
2708 (lower_rec_input_clauses): Do nothing for global shared variables.
2709 Emit a barrier at the end of ILIST if there were any decls in both
2710 firstprivate and lastprivate clauses.
2711 (lower_send_clauses): Do nothing for global variables except for
2714 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2716 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2717 of the correct signedness is returned.
2719 2006-05-02 Jeff Law <law@redhat.com>
2721 PR tree-optimization/27364
2722 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2723 multiply expressions.
2725 2006-05-02 Tom Tromey <tromey@redhat.com>
2727 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2729 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2732 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2733 -mthumb -fPIC are used.
2735 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2736 Joshua Kinard <kumba@gentoo.org>
2739 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2740 with 64-bit pointers.
2742 2006-05-02 Paul Brook <paul@codesourcery.com>
2744 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2746 (create_fix_barrier): Check that a suitable barrier location is
2748 (arm_reorg): Include ftmp->address in allowable range of addresses.
2750 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2753 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2756 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2759 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2760 around RESULT_DECL for result passed by reference.
2761 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2762 * omp-low.c (use_pointer_for_field): Don't look at
2763 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2764 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2765 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2766 time or var for passing by reference for
2767 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2768 TREE_ADDRESSABLE variables when passing by reference.
2770 * omp-low.c (dump_omp_region): Fix output formatting.
2773 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2774 (expand_omp_parallel): Likewise.
2775 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2778 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2779 on statement list containing also constructors and destructors.
2780 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2783 * except.c (duplicate_eh_regions): Fix clearing of
2784 cfun->eh->region_array entries.
2786 2006-05-01 DJ Delorie <dj@redhat.com>
2788 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2790 (gcc_cv_objdump): Likewise.
2791 * configure: Regenerated.
2793 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2796 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2797 templates for case 3 and 4.
2799 2006-05-01 DJ Delorie <dj@redhat.com>
2801 * vec.c: Include bconfig.h when appropriate.
2802 * Makefile.in (build/vec.o): Adjust dependencies.
2803 * mkconfig.sh: Make sure config.h isn't used for build machine
2806 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2808 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2810 (mark_phi_for_rewrite): New function.
2811 (insert_phi_nodes_for, mark_use_interesting): Call
2812 mark_phi_for_rewrite.
2813 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2814 (update_ssa): Initialize and free phis_to_rewrite.
2816 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2818 PR rtl-optimization/27291
2819 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2820 folded to a constant.
2822 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2824 PR tree-optimization/27283
2825 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2826 not whole # of iteration descriptions.
2827 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2828 uses abnormal ssa name.
2829 (niter_for_single_dom_exit): Ditto.
2830 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2831 return just the number of iterations.
2833 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2835 PR tree-optimization/27144
2836 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2837 (record_estimate): Only record constant upper bound.
2838 (infer_loop_bounds_from_undefined): Call
2839 compute_estimated_nb_iterations just once.
2840 (proved_non_wrapping_p): Renamed to ...
2841 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2842 (convert_step_widening, scev_probably_wraps_p): Call
2843 n_of_executions_at_most instead of proved_non_wrapping_p.
2844 (substitute_in_loop_info): Do not replace values in bounds.
2845 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2848 2006-05-01 Richard Henderson <rth@redhat.com>
2851 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2852 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2855 2006-05-01 Roger Sayle <roger@eyesopen.com>
2857 * c-typeck.c (parser_build_binary_op): Don't call the function
2858 unsigned_conversion_warning to spot operand/result type overflow.
2859 (build_binary_op): Instead, call convert_and_check instead of
2860 convert to report the problem when the operands are promoted.
2861 * c-common.c (unsigned_conversion_warning): Make static.
2862 * c-common.h (unsigned_conversion_warning): Delete prototype.
2864 2006-05-01 Richard Guenther <rguenther@suse.de>
2866 PR tree-optimization/26726
2867 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2869 (find_interesting_uses_address): ... we work around here
2870 by folding INDIRECT_REFs in the substituted base.
2872 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2874 * omp-low.c (dump_omp_region): Add newlines.
2876 2006-04-30 Roger Sayle <roger@eyesopen.com>
2878 * common.opt (Woverflow): New command line option.
2879 * c-common.c (constant_expression_warning): Check warn_overflow.
2880 (overflow_waring): Pass OPT_Woverflow to warning.
2881 (unsigned_conversion_warning): Likewise.
2882 (convert_and_check): Likewise.
2883 * doc/invoke.texi: Document new command line option.
2885 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2887 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2888 TARGET_NO_FP_IN_TOC for section anchors.
2889 (optimization_options): Enable section anchors for all
2890 non-"Objective" languages.
2892 2006-04-28 Eric Christopher <echristo@apple.com>
2894 * config/darwin-c.c (darwin_ms_struct): Move this
2895 (darwin_set_default_type_attributes): and this...
2896 * config/darwin.c: ... here.
2897 * config/darwin.h (darwin_ms_struct): Declare.
2899 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2901 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2903 2006-04-28 Roger Sayle <roger@eyesopen.com>
2906 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2907 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2908 an unsigned HOST_WIDE_INT.
2909 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2911 (really_start_incremental_init): No need to call convert because
2912 bitsize_zero_node is already of type bitsizetype.
2913 (push_init_level): Extract the value of constructor_index as an
2914 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2915 (process_init_element): Likewise.
2917 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2919 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2920 value before passing to make_relative_prefix.
2922 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2925 * builtins.c (expand_builtin_memset): Expand val in original mode.
2927 2006-04-27 Eric Christopher <echristo@apple.com>
2929 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2930 with #ifndef/#endif.
2931 * config/darwin-c.c (darwin_ms_struct): New.
2932 (darwin_pragma_ms_struct): Ditto.
2933 (darwin_set_default_type_attributes): Ditto.
2934 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2935 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2936 Register ms_struct pragma.
2937 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2938 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2939 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2940 darwin_set_default_type_attributes if TARGET_MACHO.
2942 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2944 PR tree-optimization/26854
2945 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2946 * doc/tree-ssa.texi: Update immuse iterator documentation.
2947 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2948 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2949 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2950 first_safe_imm_use, next_safe_imm_use): Remove.
2951 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2952 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2953 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2954 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2955 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2956 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2957 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2958 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2959 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2960 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2961 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2962 (perfect_nestify): Use new iterator.
2963 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2965 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2966 (next_imm_name): New field in struct immediate_use_iterator_d.
2967 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2968 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2969 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2970 * tree-cfg.c (replace_uses_by): Use new iterator.
2971 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2972 * tree-ssa-operands.c (correct_use_link): Remove.
2973 (finalize_ssa_use_ops): No longer call correct_use_link.
2975 2006-04-27 Stuart Hastings <stuart@apple.com>
2977 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2978 * config/t-darwin (crt3.o): Use it.
2979 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2980 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2981 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2982 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2983 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2986 2006-04-27 Roger Sayle <roger@eyesopen.com>
2988 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2989 size, force the intermediate into a new pseudo rather instead of
2990 performing both a bitwise AND and a bitwise IOR in memory.
2992 2006-04-27 Richard Guenther <rguenther@suse.de>
2994 PR rtl-optimization/26685
2995 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2996 this one "max-flow-memory-locations".
2998 2006-04-27 Richard Guenther <rguenther@suse.de>
3000 PR tree-optimization/25148
3001 * tree-vrp.c (compare_values): Remove code dealing with
3002 comparisons against type min/max value. Honour overflow
3003 and negative constants in code dealing with comparisons
3004 of plus and minus expressions.
3005 (value_inside_range): Use fold_binary with LE_EXPR and
3006 GE_EXPR rather than compare_values.
3008 2006-04-27 Dirk Mueller <dmueller@suse.de>
3010 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3013 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3015 * basic-block.h (safe_insert_insn_on_edge): Removed.
3016 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3018 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3019 Paolo Bonzini <bonzini@gnu.org>
3022 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3023 (simplify_and_const_int): Same.
3025 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3027 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3029 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3032 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3033 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3034 cgraph_global_info_ready.
3037 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3040 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3041 either decl or init is error_mark_node.
3044 * tree-flow.h (struct omp_region): Add sched_kind.
3045 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3046 instead of extracting omp for data.
3047 (expand_omp_for): Save extracted sched_kind.
3049 2006-04-25 Roger Sayle <roger@eyesopen.com>
3051 * expmed.c (store_bit_field): Also check whether the bitsize is
3052 valid for the machine's "insv" instruction before moving the
3053 target into a pseudo for use with the insv.
3054 * config/i386/predicates.md (const8_operand): New predicate.
3055 * config/i386/i386.md (extv, extzv, insv): Use the new
3056 const8_operand predicate where appropriate.
3058 2006-04-25 DJ Delorie <dj@redhat.com>
3060 * doc/install.texi (Specific): Clarify that this is not a list of
3061 supported hosts or targets.
3063 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3065 PR rtl-optimization/26725
3066 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3067 block's BB_DIRTY flag.
3069 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3071 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3074 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3075 to print an integer.
3077 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3079 * varasm.c (align_variable): New function.
3080 (get_block_for_decl): Apply align_variable to DECL before
3081 calculating section information.
3082 (assemble_variable): Split out alignment computation.
3084 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3086 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3089 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3091 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3092 MODE_PARTIAL_INT mode.
3093 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3094 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3096 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3097 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3099 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3101 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3103 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3104 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3105 MACFLAG_IH): Likewise.
3106 (movstricthi_1): Renamed from "*movstricthi".
3107 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3108 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3109 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3110 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3111 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3112 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3113 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3114 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3115 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3116 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3117 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3118 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3119 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3120 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3121 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3123 * doc/rtl.texi (ss_ashift): Improve wording.
3125 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3127 * dwarf2out.c (verify_marks_clear): New.
3128 (prune_unused_types): Call verify_marks_clear initially, not
3131 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3133 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3134 * doc/rtl.texi: Document them.
3135 * simplify-rtx.c (simplify_unary_operation,
3136 simplify_binary_operation_1): Don't abort when we see them.
3138 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3141 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3142 * configure.ac: Completely disregard languages that are not
3144 * configure: Regenerated.
3146 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3147 Richard Guenther <rguenther@suse.de>
3149 PR tree-optimization/27236
3150 * tree-inline.c (copy_body_r): Make sure to copy
3151 TREE_THIS_VOLATILE flag.
3153 2006-04-24 Richard Guenther <rguenther@suse.de>
3156 * tree-complex.c (update_parameter_components): Don't handle
3157 unused parameters which have no default def.
3159 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3160 Richard Guenther <rguenther@suse.de>
3162 PR tree-optimization/27218
3163 * tree-inline.c (expand_call_inline): Strip useless type
3164 conversions for the return slot address.
3166 2006-04-24 Richard Guenther <rguenther@suse.de>
3168 * cfgloop.h (struct loops): Remove unused field array. Reorder
3170 (LOOP_PREFETCH): Remove.
3172 2006-04-24 Richard Guenther <rguenther@suse.de>
3174 PR tree-optimization/22525
3175 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3176 variable, adjust types of generated expressions.
3178 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3180 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3181 (tree-vect-patterns.o): Likewise.
3183 (cselib.o): Likewise.
3184 (loop-doloop.o): Likewise.
3185 (regclass.o): Likewise.
3186 (reload1.o): Likewise.
3187 (explow.o): Replace target.h with $(TARGET_H).
3188 (ipa-prop.o): Likewise.
3189 (ipa-cp.o): Likewise.
3190 (ipa-inline.o): Likewise.
3191 (reorg.o): Likewise.
3192 (reg-stack.o): Likewise.
3194 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3196 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3198 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3200 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3202 * configure.ac: Completely disregard languages that are not
3204 * configure: Regenerated.
3207 * c-common.h (c_build_bitfield_integer_type): Declare.
3208 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3209 * c-common.c (c_build_bitfield_integer_type): ... here.
3211 2006-04-23 Roger Sayle <roger@eyesopen.com>
3214 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3215 a SImode SUBREG of a floating point register after no_new_pseudos.
3217 2006-04-23 Roger Sayle <roger@eyesopen.com>
3219 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3220 identify potentially eliminable registers to additionally catch
3221 VIRTUAL_INCOMING_ARGS_REGNUM.
3222 (addsi3): Update the conditions on when to use addsi_small_int.
3224 2006-04-23 Roger Sayle <roger@eyesopen.com>
3227 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3228 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3229 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3231 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3233 * fold-const.c (range_predecessor): Use operand_equal_p
3234 as the predicate for equality.
3235 (range_successor): Likewise.
3237 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3240 * config/soft-fp/op-common.h: Fix a typo.
3242 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3245 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3246 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3248 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3250 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3252 * doc/tm.texi: Fix a typo.
3254 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3256 * dwarf2out.c (struct die_struct): Document that die_sib makes
3257 a circular linked list.
3258 (FOR_EACH_CHILD): New.
3259 (reverse_die_lists): Delete.
3260 (reverse_all_dies): Delete.
3261 (add_dwarf_attr): Correct documentation.
3262 (remove_child_with_prev): New.
3263 (remove_child_TAG): Update for change to die_struct, use
3264 remove_child_with_prev.
3265 (add_child_die): Update for change to die_struct.
3266 (splice_child_die): Use remove_child_with_prev and add_child_die.
3267 (print_die): Use FOR_EACH_CHILD.
3268 (die_checksum): Likewise.
3269 (assign_symbol_names): Likewise.
3270 (output_location_lists): Likewise.
3271 (build_abbrev_table): Likewise.
3272 (calc_die_sizes): Likewise.
3273 (mark_dies): Likewise.
3274 (unmark_dies): Likewise.
3275 (unmark_all_dies): Likewise.
3276 (output_die): Likewise.
3277 (prune_unused_types_mark): Likewise.
3278 (prune_unused_types_walk): Likewise.
3279 (same_die_p): Update for change to die_struct.
3280 (break_out_includes): Likewise.
3281 (prune_unused_types_prune): Likewise.
3282 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3283 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3285 (dwarf2out_finish): Don't call reverse_all_dies.
3287 2006-04-21 Eric Christopher <echristo@apple.com>
3289 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3290 in comments and function names.
3292 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3295 * c-typeck.c (digest_init): Robustify.
3297 * c-typeck.c (pop_init_level): Simplify.
3299 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3301 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3303 2006-04-21 Paul Brook <paul@codesourcery.com>
3305 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3306 hardware floating point.
3308 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3310 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3313 2006-04-21 Nick Clifton <nickc@redhat.com>
3315 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3318 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3321 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3322 C++ lang type in traceback table for Objective-C++.
3324 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3326 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3328 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3330 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3333 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3334 were errors. Remove check for erroneous objects.
3336 2006-04-20 Jeff Law <law@redhat.com>
3338 PR tree-optimization/26854
3339 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3340 checking for zero or one use.
3341 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3342 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3343 * tree-ssa-reassoc.c (negate_value): Similarly.
3344 (reassociate_bb): Similarly.
3346 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3348 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3349 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3350 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3352 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3354 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3355 fp regs if the last fp arg doesn't fit in regs.
3357 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3360 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3361 that the last insn has the REG_INC note.
3363 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3364 Nathan Sidwell <nathan@codesourcery.com>
3367 * stor-layout.c (update_alignment_for_field): Do not align
3369 (place_union_field): Place union field at the start of the union.
3370 (place_field): Move ERROR_MARK check later, and use the current
3371 allocation position to maintain monotonicity.
3373 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3375 * dominance.c: Include timevar.h.
3376 (calculate_dominance_info): Use TV_DOMINANCE.
3377 * timevar.def (TV_DOMINANCE): New timevar.
3378 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3380 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3382 PR rtl-optimization/14261
3383 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3384 move would be an INSV insn.
3385 (noce_process_if_block): Don't optimize if the destination is a
3386 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3388 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3390 * config/s390/s390.md: Add comments with the instructions emitted
3391 by an insn pattern if macros are used.
3393 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3395 PR rtl-optimization/26026
3396 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3397 is a known power of two shifted left a variable amount.
3399 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3401 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3402 to hash table twice when the debug_str section has SECTION_MERGE.
3404 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3406 * config/soft-fp: New directory. From glibc.
3407 * config/soft-fp/t-softfp: New.
3408 * config/soft-fp/README: New.
3409 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3410 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3411 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3412 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3413 * config.gcc: Use rs6000/t-fprules-fpbit or
3414 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3416 * config/rs6000/sfp-machine.h: New. Based on glibc.
3417 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3419 * config/rs6000/t-fprules: Remove fp-bit rules.
3420 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3421 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3422 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3423 (softfp_wrap_start, softfp_wrap_end): New.
3425 2006-04-18 DJ Delorie <dj@redhat.com>
3427 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3429 2006-04-18 Devang Patel <dpatel@apple.com>
3431 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3433 2006-04-18 Nick Clifton <nickc@redhat.com>
3435 * config/sh/t-symbian: Add rule to build sh-c.o
3436 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3437 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3438 (sh_symbian_encode_section_info): Likewise.
3440 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3442 * builtins.c (expand_builtin_strcmp): Cover label definition of
3443 do_libcall with HAVE_cmpstrnsi.
3445 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3447 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3449 * function.h (temp_slot_p): New.
3450 (function): Change the type of x_used_temp_slots to
3451 VEC(temp_slot_p,gc) *.
3453 2006-04-18 Nick Clifton <nickc@redhat.com>
3455 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3456 flag_strength_reduce.
3458 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3460 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3464 Partial revert of revision 112637
3465 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3466 Dale Johannesen <dalej@apple.com>
3469 * regclass.c (struct reg_pref): Update documentation.
3470 (regclass): Set prefclass to NO_REGS if memory is the best option.
3471 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3473 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3475 PR tree-optimization/26821
3476 * tree-ssa-math-opts.c (get_constant_one): New.
3477 (insert_reciprocals): Use it.
3479 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3481 * dwarf2out.c (free_AT): Delete.
3482 (remove_AT): Update string ref counts.
3483 (remove_child_TAG): Don't call free_die.
3485 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3486 or DW_TAG_GNU_EINCL.
3487 (prune_unused_types_walk_attribs): Reset string refcounts.
3488 (prune_unused_types_update_strings): New.
3489 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3490 call free_die. Do call prune_unused_types_update_strings.
3491 (prune_unused_types): Empty debug_str_hash.
3493 2006-04-17 Roger Sayle <roger@eyesopen.com>
3495 * expr.c (expand_assignment): Optimize away no-op moves where the
3496 source and destination are equal and have no side-effects.
3498 2006-04-17 Richard Guenther <rguenther@suse.de>
3501 * reload.c (push_reload): Guard calls to get_secondary_mem
3504 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3506 * alias.c (reg_base_value, old_reg_base_value): Change the
3507 type to VEC(rtx,gc) *.
3508 (REG_BASE_VALUE, find_base_value, record_set,
3509 init_alias_analysis): Use VEC instead of VARRAY.
3511 * alias.c (alias_sets): Change the type to
3512 VEC(alias_set_entry,gc) *.
3513 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3514 VEC instead of VARRAY.
3515 (last_alias_set): Remove.
3517 * cgraph.h (cgraph_edge_p): New.
3518 Update the prototype of cgraph_function_versioning.
3519 * cgraphunit.c (cgraph_copy_node_for_versioning,
3520 cgraph_function_versioning): Use VEC instead of VARRAY.
3521 * ipa-cp.c (ipcp_insert_stage): Likewise.
3523 2006-04-16 Roger Sayle <roger@eyesopen.com>
3526 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3527 "A op B" or "A op C", we may need to convert A to the type of B and C.
3529 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3531 * target.h (struct gcc_target): Add mode_rep_extended.
3532 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3533 (init_num_sign_bit_copies_in_rep): Initialize it using
3535 (truncate_to_mode): Use it.
3536 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3537 * targhooks.h (default_mode_rep_extended): Declare it.
3538 * targhooks.c (default_mode_rep_extended): Define it.
3539 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3540 default_mode_rep_extended.
3541 (TARGET_INITIALIZER): Include it.
3542 * doc/tm.texi (Misc): Document it.
3543 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3544 (mips_truncated_to_mode): New function.
3546 2006-04-16 Roger Sayle <roger@eyesopen.com>
3549 * expr.c (compress_float_constant): Copy the narrow constant into
3550 a new pseudo before extending it to its final width.
3552 2006-04-16 Roger Sayle <roger@eyesopen.com>
3553 Andrew Pinski <pinskia@gcc.gnu.org>
3554 Dale Johannesen <dalej@apple.com>
3557 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3558 special case code to implement V8HImode and V16QImode with SSE2.
3560 2006-04-15 Roger Sayle <roger@eyesopen.com>
3562 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3563 trees are constructed with a suitable tree type.
3565 2006-04-15 Roger Sayle <roger@eyesopen.com>
3567 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3568 (integer_onep): Likewise.
3569 (integer_all_onesp): Likewise.
3570 (integer_pow2p): Likewise.
3571 (integer_nonzerop): Likewise.
3572 (real_zerop): Likewise.
3573 (real_onep): Likewise.
3574 (real_twop): Likewise.
3575 (real_minus_onep): Likewise.
3576 (int_size_in_bytes): Likewise.
3577 (host_integerp): Likewise.
3579 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3581 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3582 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3583 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3585 * tree-ssa-structalias.h (alias_info): Remove num_references.
3587 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3589 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3590 (output_bvb patterns): Likewise.
3591 * pa.c (output_bb): Use 'bb' insn for long branch case.
3592 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3593 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3594 1. Correct length operand for alternatives 1 and 2.
3595 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3596 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3598 2006-04-14 Roger Sayle <roger@eyesopen.com>
3600 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3601 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3602 were accidentally reverted by r112959.
3604 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3607 * except.h (eh_region_outermost): New prototype.
3608 * except.c (eh_region_outermost): New function.
3609 * tree-cfg.c (find_outermost_region_in_block): Use it.
3611 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3613 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3615 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3616 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3617 (init_reload, reload): Use VEC instead of VARRAY.
3618 * reload.h: Update the prototype for
3619 reg_equiv_memory_loc_varray.
3621 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3622 Eric Botcazou <ebotcazou@libertysurf.fr>
3624 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3627 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3630 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3631 to expand fallback builtin function call.
3633 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3636 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3637 and emit libcall here in case the builtin fails.
3638 (expand_builtin_strcmp): Always emit the libcall here on failure.
3640 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3642 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3643 * flow.c (reg_n_info): Change the type to
3644 VEC(reg_info_p,heap) *.
3645 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3647 * regs.h (reg_info_p): New.
3648 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3649 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3650 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3653 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3655 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3657 * params.h (MAX_SCHED_READY_INSNS): New macro.
3658 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3659 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3660 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3661 the ready list for 1 cycle during the first scheduling pass.
3662 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3664 2006-04-13 Richard Henderson <rth@redhat.com>
3667 * gimple-low.c (lower_omp_directive): Remove dead code.
3668 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3669 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3670 * omp-low.c (struct omp_region): Move to tree-flow.h.
3671 (root_omp_region): Export.
3672 (omp_regions, lookup_omp_region): Remove.
3673 (determine_parallel_type): Update for struct omp_region changes.
3674 (dump_omp_region): Dump regions with block numbers.
3675 (new_omp_region): Take type and block instead of stmt; malloc
3677 (free_omp_region_1, free_omp_regions): New.
3678 (expand_parallel_call): Take entry_stmt as argument; update for
3679 changes to omp_region.
3680 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3681 (remove_exit_barriers): New.
3682 (expand_omp_parallel): Update for struct omp_region changes.
3683 (expand_omp_synch): Likewise.
3684 (expand_omp): Likewise.
3685 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3686 (expand_omp_for_static_chunk): Likewise.
3687 (expand_omp_for): Likewise.
3688 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3689 (expand_omp_sections): Similarly, with GOMP_sections_end.
3690 (expand_omp_single): New.
3691 (build_omp_regions_1): Update for OMP_CONTINUE.
3692 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3693 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3694 OMP_SECTIONS_SECTIONS.
3695 (lower_omp_single_simple): Don't emit barrier here.
3696 (lower_omp_single_copy): Likewise.
3697 (lower_omp_single): Fix bindings, and lower to straightline now.
3698 (lower_omp_master, lower_omp_ordered): Likewise.
3699 (lower_omp_critical): Likewise.
3700 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3701 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3702 omp edges, free it afterward.
3703 (make_omp_sections_edges): Remove.
3704 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3705 (move_stmt_r): Handle OMP_CONTINUE.
3706 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3707 statement pointers to basic blocks. Add type member.
3708 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3709 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3710 * tree-inline.c (estimate_num_insns_1): Likewise.
3711 * tree-pretty-print.c (dump_generic_node): Likewise.
3712 * tree-ssa-operands.c (get_expr_operands): Likewise.
3713 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3714 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3715 (OMP_CONTINUE): New.
3716 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3717 (OMP_SECTIONS_SECTIONS): Remove.
3718 (OMP_SECTION_LAST): New.
3719 (OMP_RETURN_NOWAIT): New.
3721 2006-04-13 Roger Sayle <roger@eyesopen.com>
3723 * fold-const.c (native_encode_vector, native_interpret_real):
3724 Correct obvious mistakes in the previous check-in.
3726 2006-04-13 Roger Sayle <roger@eyesopen.com>
3728 * fold-const.c (native_encode_expr): New function to encode
3729 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3730 or VECTOR_CST into a specified buffer.
3731 (native_encode_int): New function.
3732 (native_encode_real): New function.
3733 (native_encode_complex): New function.
3734 (native_encode_vector): New function.
3735 (native_interpret_expr): Inverse of native_encode_expr to convert
3736 a target representation into an INTEGER_CST, REAL_CST etc...
3737 (native_interpret_int): New function.
3738 (native_interpret_real): New function.
3739 (native_interpret_complex): New function.
3740 (native_interpret_vector): New function.
3741 (fold_view_convert_expr): New function to constant fold/evaluate
3742 a VIEW_CONVERT_EXPR of a suitable constant expression.
3743 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3744 Change call of build1 to fold_build1 when constructing a
3747 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3748 Ulrich Weigand <uweigand@de.ibm.com>
3751 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3754 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3757 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3758 optimize to lo_sum for DFmode if !TARGET_FPRS.
3760 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3762 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3763 delete_alias_info, compute_flow_sensitive_aliasing,
3764 group_aliases): Use VEC instead of VARRAY.
3765 * tree-ssa-structalias.c (update_alias_info): Likewise.
3766 * tree-ssa-structalias.h (alias_info): Change the type of
3767 processed_ptrs to VEC(tree,heap) *.
3769 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3772 * config/sh/lib1funcs.h: New file, broken out of:
3773 * config/sh/lib1funcs.asm.
3774 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3776 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3777 * config/sh/lib1funcs-Os-4-200.asm: New file.
3778 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3779 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3780 (EXTRA_MULTILIB_PARTS): Include it.
3781 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3782 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3783 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3784 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3787 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3789 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3790 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3791 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3793 * tree-ssa-live.h: Include vecprim.h.
3794 (tree_partition_associator_d): Change the type of
3795 first_partition to VEC(int,heap) *.
3796 (tpa_first_partition): Use VEC instead of VARRAY.
3798 * Makefile.in (GTFILES): Move functions.h after tree.h.
3799 * function.c (reset_block_changes, record_block_change,
3800 check_block_change, free_block_changes): Use VEC instead of
3802 * function.h (function): Change the type of
3803 ib_boundaries_block to VEC(tree,gc) *.
3804 * tree-inline.c (copy_cfg_body): Initialize
3805 ib_boundaries_block to NULL instead of (varray_type) 0.
3807 2006-04-12 Roger Sayle <roger@eyesopen.com>
3809 * expr.c (emit_group_store): Correct operand order in call to
3810 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3811 a SUBREG_BYTE of zero.
3813 2006-04-12 Richard Guenther <rguenther@suse.de>
3815 * profile.c (compute_branch_probabilities): Remove code
3816 encapsulated in !ir_type (), which are remanents of the
3817 removed RTL profiling code.
3818 * rtl-profile.c: Remove.
3820 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3822 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3823 magic NULL_RTX comment.
3824 (function_arg): Store entire fp arg to mem if any part should go
3826 (rs6000_arg_partial_bytes): Adjust for above change.
3828 2006-04-11 Roger Sayle <roger@eyesopen.com>
3830 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3831 if it hasn't been initialized by dwarf2out_init.
3833 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3835 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3836 symbolic constants in branch patterns.
3838 2006-04-11 Roger Sayle <roger@eyesopen.com>
3840 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3842 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3844 PR rtl-optimization/27073
3845 * gcse.c (try_replace_reg): Revert last change. Continue to search
3846 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3849 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3851 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3852 aggregate types other than record and union types.
3853 (function_arg): Likewise.
3854 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3856 (function_value): In 64-bit mode, return objects that require it
3859 2006-04-11 Roger Sayle <roger@eyesopen.com>
3861 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3863 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3865 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3867 2006-04-03 Jeff Law <law@redhat.com>
3870 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3871 alias information too.
3873 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3875 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3877 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3880 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3881 (premark_used_types_helper): New.
3882 (premark_used_types): New.
3883 (gen_subprogram_die): Call premark_used_types.
3884 (prune_unused_types_walk): Do not prune perennial dies.
3885 * function.c (used_types_insert): New.
3886 * function.h (struct function): Add used_types_hash field.
3887 (used_types_insert): Add prototype.
3888 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3889 * c-parser.c (c_parser_cast_expression): Save casted types in used
3892 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3895 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3896 rs6000_explicit_options.float_gprs.
3898 2006-04-10 Roger Sayle <roger@eyesopen.com>
3900 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3901 from ix86_expand_vector_init_low_nonzero. Take an additional
3902 one_var argument indicating which element is non-zero. Support
3903 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3904 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3905 with one_var instead of ix86_expand_vector_init_low_nonzero.
3907 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3909 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3910 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3911 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3912 build/genextract.o): Depend on vecprim.h.
3913 * cfglayout.c, df-problems.c, function.c, genextract.c,
3914 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3915 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3919 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3921 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3922 Declare VECs of this type.
3923 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3924 (remove_children): Delete.
3925 (add_dwarf_attr): Use VEC routines.
3926 (add_AT_flag): Update for changes to add_dwarf_attr.
3927 (add_AT_int): Likewise.
3928 (add_AT_unsigned): Likewise.
3929 (add_AT_long_long): Likewise.
3930 (add_AT_vec): Likewise.
3931 (add_AT_string): Likewise.
3932 (add_AT_die_ref): Likewise.
3933 (add_AT_fde_ref): Likewise.
3934 (add_AT_loc): Likewise.
3935 (add_AT_loc_list): Likewise.
3936 (add_AT_addr): Likewise.
3937 (add_AT_lbl_id): Likewise.
3938 (add_AT_lineptr): Likewise.
3939 (add_AT_macptr): Likewise.
3940 (add_AT_offset): Likewise.
3941 (add_AT_range_list): Likewise.
3942 (get_AT): Use VEC_iterate.
3943 (remove_AT): Use VEC_ordered_remove.
3944 (free_die): Fold remove_children into here; have it use VEC_iterate.
3945 (print_die): Use VEC_iterate on attrs.
3946 (reverse_die_lists): Don't reverse attr lists.
3947 (die_checksum): Use VEC_iterate on attrs.
3948 (same_die_p): Likewise.
3949 (output_location_lists): Likewise.
3950 (build_abbrev_table): Likewise.
3951 (size_of_die): Likewise.
3952 (unmark_all_dies): Likewise.
3953 (output_abbrev_section): Likewise.
3954 (output_die): Likewise.
3955 (prune_unused_types_walk_attribs): Likewise.
3957 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3959 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3961 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3964 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3966 2006-04-09 Roger Sayle <roger@eyesopen.com>
3968 * expr.c (store_constructor): Don't bother clearing target if
3969 we're about to assign a vector to it using vec_init_optab.
3971 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3973 * tree-ssa-alias.c (lhs_may_store_to): New function.
3974 (recalculate_used_alone): Handle LHS of calls.
3976 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3980 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3981 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3982 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3983 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3984 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3985 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3986 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3987 stubs. Add ".align 8" directives before all ".dword" directives.
3988 (GTHREAD_USE_WEAK): Revise comment.
3989 (TARGET_ATTRIBUTE_WEAK): Define.
3990 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3991 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3992 * stublib.c: New file.
3997 * pa.md (cbranch patterns): Revise arguments used in calls to
3998 output_cbranch, output_bb and output_bvd. Add long branch length
4000 (fbranch patterns): Handle long branches.
4001 (jump): Revise length check. Revise arguments for output_lbranch call.
4002 Add long branch length attributes.
4003 (decrement_and_branch_until_zero): Add long branch length attributes.
4004 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4005 Likewise. Revise arguments for output_parallel_addb and
4006 output_parallel_movb calls.
4007 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4008 output_parallel_movb and output_parallel_addb): Update prototypes.
4009 * pa.c (output_cbranch): Revise arguments. Correct handling of
4010 nullification in long branches.
4011 (output_lbranch): Add new argument to control extraction of delay
4013 (output_bb): Handle long branches.
4014 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4015 output_parallel_addb): Likewise.
4017 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4019 PR rtl-optimization/27073
4020 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4023 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4025 * tree.h (tree_memory_tag): Add old_used_alone.
4026 (SMT_OLD_USED_ALONE): New macro.
4027 * tree-ssa-alias.c (recalculate_used_alone): Stop
4028 marking things for renaming unnecessarily.
4030 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4032 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4033 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4034 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4035 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4036 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4037 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4038 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4039 spelling convensions.
4040 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4041 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4042 typos. Follow spelling conventions.
4044 2006-04-07 DJ Delorie <dj@redhat.com>
4046 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4047 passed on the stack.
4048 (m32c_init_cumulative_args): When a function returns a structure,
4049 always pass the pointer to that return area on the stack.
4050 (m32c_function_arg_advance): Don't increment the parameter number
4051 if we're processing the returned structure pointer.
4052 (pushm_info): Reverse order of registers.
4054 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4056 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4057 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4058 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4059 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4061 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4062 chrec_fold_multiply): Same.
4063 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4064 force_expr_to_var_cost): Same.
4065 * tree-mudflap.c (mf_xform_derefs_1): Same.
4066 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4068 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4070 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4071 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4074 2006-04-07 Jan Hubicka <jh@suse.cz>
4076 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4078 2006-04-07 Richard Guenther <rguenther@suse.de>
4080 PR tree-optimization/26135
4081 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4082 loads for store copy-prop.
4083 (copy_prop_visit_stmt): Likewise.
4085 2006-04-05 Robert Millan <robertmh@gnu.org>
4087 * config/i386/linux.h: Add a comment to mark macros that are
4088 being overriden in config/k*bsd-gnu.h.
4089 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4091 * config/knetbsd-gnu.h: Ditto.
4093 2006-04-06 Jan Hubicka <jh@suse.cz>
4097 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4100 2006-04-06 Mike Stump <mrs@apple.com>
4102 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4103 for HAVE_nonlocal_goto to be consistent.
4104 (expand_builtin_nonlocal_goto): Likewise.
4105 (expand_builtin_strcmp): Use #ifdef instead of #if
4106 for HAVE_cmpstrnsi to be consistent.
4108 2006-04-05 DJ Delorie <dj@redhat.com>
4110 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4113 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4115 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4116 got-relative addressing for anything but SImode.
4118 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4119 even if the calling function doesn't modify them.
4121 2006-04-05 Richard Guenther <rguenther@suse.de>
4123 PR tree-optimization/26919
4124 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4125 to cgraph_estimate_size_after_inlining.
4127 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4129 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4131 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4133 PR tree-optimization/26996
4134 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4135 VECTOR_TYPE variables.
4137 2006-04-05 Richard Guenther <rguenther@suse.de>
4139 PR tree-optimization/26763
4140 * fold-const.c (fold_comparison): Move folding of
4141 PTR + CST CMP PTR + CST ...
4142 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4144 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4146 * doc/install.texi (Prerequisites): Refine some wording on
4147 bootstrapping and ksh.
4148 Move the version numbers of DejaGnu here from the testing section
4149 and fix casing of names.
4150 Fix markup and clarify wording for autogen requirements.
4151 Refer to GCJ instead of just java.
4152 Refer to SVN instead of CVS.
4153 Describe diffutils as useful instead of necessary.
4154 (Downloading the source): Refer to SVN instead of CVS.
4155 Adjust a link to our web site accordingly.
4156 (Configuration): Fix casing of Bison.
4157 (Building): Refer to SVN instead of CVS.
4158 Fix a sentence on the use of Bison and remove duplicate (and
4159 incorrect) version number of Bison requirement.
4160 Remove one redundant list of packages needed for building.
4161 (Specific): Avoid reference to CVS.
4163 2006-04-04 Eric Christopher <echristo@apple.com>
4165 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4166 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4167 (rs6000_handle_struct_attribute): New.
4168 (rs6000_ms_bitfield_layout_p): Ditto.
4170 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4172 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4173 NULL for dso parameter to atexit_common.
4175 2006-04-04 Eric Christopher <echristo@apple.com>
4177 * config/i386/i386.c (machopic_output_stub): Output \t
4178 between instructions and operands.
4180 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4182 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4183 satisfies_constraint_[IL] to explicit tests on value.
4185 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4187 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4188 set_nb_iterations_in_loop): Use build_int_cst instead of
4190 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4191 build_int_cst instead of convert.
4193 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4195 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4196 new value 2 for incoming.
4197 * function.c (expand_function_start): Call struct_value_rtx
4199 * config/sparc/sparc.md: Comment updated_return.
4200 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4201 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4202 struct return if sparc_std_struct_return and incoming is 2.
4203 (print_operand): Do not adjust return if
4204 sparc_std_struct_return.
4206 2006-04-04 Roger Sayle <roger@eyesopen.com>
4208 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4209 convert in the middle-end.
4210 * expr.c (store_expr, store_constructor, get_inner_reference,
4211 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4213 * tree.c (build_range_type): Likewise.
4215 2006-04-04 Tom Tromey <tromey@redhat.com>
4217 * doc/install.texi (Prerequisites): Mention jar.
4219 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4221 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4224 2006-04-04 Matthias Klose <doko@debian.org>
4226 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4227 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4230 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4232 * doc/extend.texi (Function Attributes): Rewrite visibility
4233 attribute documentation.
4234 * doc/invoke.texi (C++ Dialect Options): Rewrite
4235 -fvisibility-inlines-hidden documentation to describe something
4236 entirely different, although in practise compatible.
4237 (Code Gen Options): Warn about system headers in -fvisibility=
4240 * doc/extend.texi (Other Builtins): Document that
4241 __builtin_nan is a compile-time constant only when its argument
4244 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4246 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4247 trying to remove TRUNCATE check if all bits outside the new mode
4248 are identical to the sign bit.
4250 2006-04-03 Jeff Law <law@redhat.com>
4252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4253 and operand scanning in some common cases.
4255 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4256 Dale Johannesen <dalej@apple.com>
4259 * regclass.c (struct reg_pref): Update documentation.
4260 (regclass): Set prefclass to NO_REGS if memory is the best option.
4261 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4262 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4263 into account. For non-registers, equate an empty preferred
4264 reload class to a `!' in the constraint; move the if clause to
4265 do so after those that reject the insn.
4266 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4268 (find_dummy_reload): Likewise.
4269 * doc/tm.texi (Register Classes): Document what it means
4270 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4271 * config/i386/i386.c (ix86_preferred_reload_class): Force
4272 using SSE registers (and return NO_REGS for floating-point
4273 constants) if math is done with SSE.
4274 (ix86_preferred_output_reload_class): New.
4275 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4276 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4277 * config/i386/i386.md: Remove # register preferences.
4279 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4282 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4283 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4284 the type of nb_iter.
4285 (instantiate_parameters_1): Convert the operands before calling
4286 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4287 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4289 2006-04-02 Roger Sayle <roger@eyesopen.com>
4291 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4292 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4294 * dojump.c (do_jump): Likewise.
4295 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4296 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4297 gimplify_boolean_expr): Likewise.
4298 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4299 * varasm.c (array_size_for_constructor): Likewise.
4300 * tree-object-size.c (compute_object_offset): Likewise.
4302 2006-04-02 Roger Sayle <roger@eyesopen.com>
4305 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4306 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4310 PR tree-optimization/26939
4311 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4313 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4315 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4316 at_stmt. Convert the type of operands before calling
4317 build_polynomial_chrec.
4318 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4320 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4321 (instantiate_parameters_1): Convert the type of operands before calling
4322 build_polynomial_chrec.
4323 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4324 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4325 reset_evolution_in_loop): Insert asserts to check the types of the
4327 (chrec_type): Moved...
4328 (eq_evolutions_p): Use operand_equal_p.
4329 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4330 the types of the operands.
4331 (chrec_type): ...here.
4332 * tree-data-ref.c (create_data_ref): Convert the operands before
4333 calling chrec_replace_initial_condition.
4334 (same_access_functions, analyze_subscript_affine_affine,
4335 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4336 (compute_subscript_distance, analyze_ziv_subscript,
4337 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4338 analyze_miv_subscript): Convert the operands before calling
4339 chrec_fold_minus or chrec_fold_plus.
4341 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4343 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4344 the dependence_relations vector.
4345 (compute_data_dependences_for_loop): Adjust call to
4346 compute_all_dependences.
4348 2006-04-01 Roger Sayle <roger@eyesopen.com>
4349 Richard Henderson <rth@redhat.com>
4351 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4352 gimple_boolify on the condition before calling gimplify_expr.
4354 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4356 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4357 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4358 the frame size. Update to use the new macros.
4359 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4360 * config/xtensa/ieee754-df.S: Likewise.
4362 2006-03-31 Richard Henderson <rth@redhat.com>
4364 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4365 (make_edges): ... here. Control fallthru creation with a local
4366 variable. Do not play with fake edges.
4367 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4368 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4371 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4373 * dwarf2.h (DW64_CIE_ID): Define.
4374 * dwarf2out.c (DWARF_CIE_ID): Define.
4375 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4376 length header. Use DWARF_CIE_ID.
4377 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4378 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4380 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4382 * config/sh/linux-atomic.asm: New file.
4383 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4385 2006-03-31 DJ Delorie <dj@redhat.com>
4387 * config/m32c/cond.md: Set condition flags properly throughout.
4388 * config/m32c/minmax.md: Likewise.
4389 * config/m32c/prologue.md: Likewise.
4390 * config/m32c/bitops.md: Likewise.
4391 * config/m32c/muldiv.md: Likewise.
4392 * config/m32c/mov.md: Likewise.
4393 * config/m32c/addsub.md: Likewise.
4394 * config/m32c/m32c.md: Likewise.
4395 * config/m32c/jump.md: Likewise.
4396 * config/m32c/shift.md: Likewise.
4398 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4399 conditionally output the pattern for this.
4400 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4401 (m32c_compare_redundant): New.
4402 (m32c_output_compare): New.
4403 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4405 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4406 dest, not src. Allow other 4-byte modes.
4408 2006-03-30 Denis Chertykov <denisc@overta.ru>
4410 * doc/md.texi: Refer to avr/constraints.md instead of
4413 2006-03-30 Roger Sayle <roger@eyesopen.com>
4415 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4416 signed vs. unsigned comparison failures on some hosts.
4418 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4421 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4422 change to FLOAT_REGS.
4424 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4425 (rs6000_override_options): Use it.
4426 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4427 only for -mabi=spe/no-spe and -mabi=altivec.
4429 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4431 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4434 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4436 * Makefile.in: Rename docdir to gcc_docdir.
4438 2006-03-30 Roger Sayle <roger@eyesopen.com>
4441 * expr.c (emit_group_store): Optimize group stores into a pseudo
4442 register by using a paradoxical subreg to initialize the destination
4443 if the first or last member of the group specifies a "low part".
4445 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4448 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4449 * target.h (struct gcc_target.speculate_insn): Change type of the
4450 second parameter to 'int'.
4451 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4452 the second operand of the DEPS_LIST.
4453 (copy_DEPS_LIST_list): Update reference to the second operand of the
4455 * rtl.h (alloc_DEPS_LIST): Update signature.
4456 * sched-int.h (ds_t): Change typedef to 'int'.
4457 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4459 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4461 * haifa-sched.c (try_ready): Change condition to restore
4462 non-speculative pattern of the instruction.
4463 (process_insn_depend_be_in_spec): Code to keep probability of the
4464 speculative dependence non-decreasing.
4466 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4468 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4469 (single_move_for_movmem): ... this. Also change all uses.
4470 (bfin_expand_strmov): Renamed to...
4471 (bfin_expand_movmem): ... this. Also change all uses.
4472 * config/bfin/bfin.md (movstrsi): Renamed to...
4473 (movstrsi): ...this.
4475 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4477 PR tree-optimization/26830
4479 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4480 (copy_prop_visit_stmt): Remove write-only variable ann.
4481 (init_copy_prop): Check variable loop depth here. Do not simulate
4482 memory-tag and virtual operand PHIs except for store copy prop.
4484 2006-03-30 Richard Guenther <rguenther@suse.de>
4486 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4487 variants with double arguments.
4489 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4491 * genpreds.c (write_tm_constrs_h): Delete variable p.
4492 * genconditions.c (write_header): Add tm-constrs.h to included
4494 * genpeep.c (main): Add toplev.h to included headers.
4495 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4496 (build/genpeep.o): Add toplev.h dependency.
4497 * config/rs6000/constraints.md: Add "W" constraint.
4499 2006-03-29 Roger Sayle <roger@eyesopen.com>
4501 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4502 sizes by correctly testing whether the size fits a host integer.
4503 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4504 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4505 SImode range for the default sizetype and bitsizetype.
4507 2006-03-29 Roger Sayle <roger@eyesopen.com>
4509 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4510 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4511 quickly if the argument is already of the correct type.
4512 Call fold_build1 instead of build1. Tidy up blank lines.
4514 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4516 * genemit.c (main): Add tm-constrs.h to included headers.
4517 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4518 * genpeep.c (main): Add tm-constrs.h to included headers.
4519 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4520 (write_tm_constrs_h): this and write complete file.
4521 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4522 (write_insn_preds_c): Add tm-constrs.h to included headers.
4523 (gen_constrs): New variable.
4524 (parse_option): Parse "-c".
4525 (main): Invoke write_tm_constrs_h.
4526 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4527 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4528 (object_out_file): Add tm-constrs.h dependency.
4529 (insn-emit.o): Same.
4530 (insn-output.o): Same.
4531 (insn-peep.o): Same.
4532 (insn-preds.o): Same.
4533 (insn-recog.o): Same.
4534 (tm-constsr.h): New target.
4535 (s-constrs-h): New target.
4537 * config/rs6000/constraints.md: New file.
4538 * config/rs6000/rs6000.c: Include tm-constrs.h.
4539 (num_insn_constant_wide): Convert to satisfies_constraint.
4540 (rs6000_rtx_costs): Convert to satisfies_constraint.
4541 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4542 (CONST_OK_FOR_LETTER_P): Delete.
4543 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4544 (EXTRA_CONSTRAINT): Delete.
4545 (EXTRA_MEMORY_CONSTRAINT): Delete.
4546 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4547 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4548 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4549 satisfies_constraint.
4551 * config/i386/i386.c: Include tm-constrs.h.
4553 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4555 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4556 * tree-data-ref.c (find_data_references_in_loop,
4557 compute_data_dependences_for_loop): Use pointers to VEC.
4558 (analyze_all_data_dependences): Adjust calls.
4559 * tree-data-ref.h (find_data_references_in_loop,
4560 compute_data_dependences_for_loop): Adjust declarations.
4561 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4562 compute_data_dependences_for_loop.
4564 2006-03-29 Paul Brook <paul@codesourcery.com>
4566 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4569 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4571 PR tree-optimization/26859
4572 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4574 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4575 for the step after fold_convert.
4577 2006-03-29 Paul Brook <paul@codesourcery.com>
4579 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4580 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4582 2006-03-29 Paul Brook <paul@codesourcery.com>
4585 * targhooks.c (default_narrow_bitfield): New fuction.
4586 * targhooks.h (default_narrow_bitfield): add prototype.
4587 * target.h (gcc_target): Add narrow_volatile_bitfield.
4588 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4589 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4590 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4591 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4593 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4595 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4597 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4598 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4599 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4600 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4601 (s390_function_arg_float): Allow SDmode and DDmode values to be
4602 passed in floating point registers.
4603 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4604 check with SCALAR_FLOAT_MODE_P.
4605 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4607 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4609 PR tree-optimization/25985
4610 * tree-ssa-loop-niter.c (number_of_iterations_le,
4611 number_of_iterations_ne): Make comments more precise.
4612 (number_of_iterations_cond): Add only_exit argument. Use the
4613 fact that signed variables do not overflow only when only_exit
4615 (loop_only_exit_p): New.
4616 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4617 number_of_iterations_cond.
4619 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4621 PR tree-optimization/26643
4622 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4625 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4627 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4628 (divsi3_i4_int): Likewise.
4630 2006-03-28 Roger Sayle <roger@eyesopen.com>
4632 * expr.c (emit_group_store): Only create a new pseudo reg if the
4633 quantity it needs to hold isn't already a suitable pseudo.
4635 2006-03-28 Jeff Law <law@redhat.com>
4637 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4638 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4640 2006-03-28 Roger Sayle <roger@eyesopen.com>
4642 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4643 the equivalent ~X & Y, and the symmetry related transformations.
4644 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4645 ~X & Y, and symmetry related transforms.
4647 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4649 Revert my 2006-03-27 patches.
4651 2006-03-28 Roger Sayle <roger@eyesopen.com>
4653 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4654 ~(T1)X, when T1 and T2 are integer types of the same precision
4655 and (T2)X isn't an extension.
4657 2006-03-28 Jeff Law <law@redhat.com>
4659 PR tree-optimization/26796
4660 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4661 need EH edge cleanups rather than purging them immediately.
4662 (eliminate_degenerate_phis): Handle queued EH cleanups.
4664 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4666 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4669 2006-03-27 Roger Sayle <roger@eyesopen.com>
4672 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4673 cast BIT_NOT_EXPR operand to the correct type.
4675 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4677 * tree-loop-linear.c: Don't include varray.h.
4678 (gather_interchange_stats, try_interchange_loops,
4679 linear_transform_loops): Use VEC instead of VARRAY.
4680 * lambda-mat.c: Don't include varray.h.
4681 * tree-chrec.c: Same.
4682 * lambda-trans.c: Same.
4683 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4684 VEC instead of VARRAY.
4685 * tree-vectorizer.h: Idem.
4686 * tree-data-ref.c (dump_data_references,
4687 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4688 initialize_data_dependence_relation, finalize_ddr_dependent,
4689 compute_all_dependences, find_data_references_in_loop,
4690 compute_data_dependences_for_loop, analyze_all_data_dependences,
4691 free_dependence_relation, free_dependence_relations,
4692 free_data_refs): Idem.
4693 * tree-data-ref.h (data_reference_p, subscript_p): New.
4694 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4695 VEC instead of VARRAY.
4696 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4697 (find_data_references_in_loop, compute_data_dependences_for_loop,
4698 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4699 dump_data_dependence_relations, free_dependence_relations,
4700 free_data_refs): Adjust declaration.
4701 (lambda_transform_legal_p): Move declaration here...
4702 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4703 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4704 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4705 vect_analyze_data_refs): Use VEC instead of VARRAY.
4706 * lambda.h (lambda_transform_legal_p): ...from here.
4707 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4708 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4709 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4710 tree-chrec.o): Don't depend on VARRAY_H.
4712 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4714 * rtl.def (Copyright): Update date.
4715 (DEPS_LIST): Change type of the second operand to 'int'.
4716 * target.h (Copyright): Update date.
4717 (struct gcc_target.speculate_insn): Change type of the second parameter
4719 * lists.c (Copyright): Update date.
4720 (alloc_DEPS_LIST): Change signature. Update reference to the second
4721 operand of the DEPS_LIST.
4722 (copy_DEPS_LIST_list): Update reference to the second operand of the
4724 * rtl.h (Copyright): Update date.
4725 (alloc_DEPS_LIST): Update signature.
4726 * sched-int.h (Copyright): Update date.
4727 (ds_t): Change typedef to 'int'.
4728 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4730 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4732 * haifa-sched.c (Copyright): Update date.
4733 (try_ready): Change condition to restore non-speculative pattern
4735 (process_insn_depend_be_in_spec): Code to keep probability of the
4736 speculative dependence non-decreasing.
4738 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4740 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4741 shut up the compiler.
4743 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4745 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4746 to use lib prefix for target.
4747 ($(T)libic_invalidate_array_4-200.a): Likewise.
4748 ($(T)libic_invalidate_array_4a.a): Likewise.
4750 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4751 J"orn Rennecke <joern.rennecke@st.com>
4753 * superh.opt: New file.
4754 * sh.c (boardtype, osruntime): Remove.
4755 * superh.h (SUBTARGET_OPTIONS): Remove.
4756 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4758 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4759 arguments with ^ and/or [].
4761 * config.gcc (sh-*-*): Add quoting to account for quirk of
4763 Replace == with = in enable_incomplete_targets test.
4765 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4766 with MASK_LITTLE_ENDIAN.
4768 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4769 * config/sh/sh.opt: Added to some comments.
4770 * config/sh/superh.h: Removed some chaff.
4772 * config/sh/sh.opt: Add m4-[1234]00* options.
4773 * config/sh/sh.c (sh_handle_option): Likewise.
4774 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4775 (ic_invalidate_array_4-100.o): New rule.
4776 ($(T)libic_invalidate_array_4-100.a): Likewise.
4777 (ic_invalidate_array_4-200.o): Likewise.
4778 ($(T)libic_invalidate_array_4-200.a): Likewise.
4779 (ic_invalidate_array_4a.o): Likewise.
4780 ($(T)libic_invalidate_array_4a.a): Likewise.
4781 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4782 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4784 * config/sh/crt1.asm: Merged in profiling code.
4785 * config/sh/superh.h (STARTFILE_SPEC): Override.
4786 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4787 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4788 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4790 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4791 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4792 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4794 * sh.opt (mpretend-cmove): New option.
4795 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4796 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4797 (movsicc): Add TARGET_PRETEND_CMOVE code.
4799 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4801 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4802 s390_class_max_nregs): New function prototypes.
4803 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4804 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4805 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4806 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4808 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4810 * dwarf2out.c (add_location_or_const_value_attribute): Call
4811 tree_add_const_value_attribute if nothing else works.
4812 (reference_to_unused): New.
4813 (rtl_for_decl_init): Use reference_to_unused to decide whether
4814 to output an initializer.
4816 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4819 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4820 peephole removing spe frob_di_df_2.
4822 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4824 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4825 (subscript_dependence_tester_1): Declared.
4826 (print_dir_vectors, print_dist_vectors): New.
4827 (debug_data_dependence_relation): New.
4828 (dump_data_dependence_relation): Print more details.
4829 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4830 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4831 (save_dist_v, save_dir_v, add_outer_distances,
4832 build_classic_dist_vector_1): New.
4833 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4834 Don't test for lambda_vector_lexico_pos.
4835 (same_access_functions, add_multivariate_self_dist,
4836 add_other_self_distances, dir_from_dist): New.
4837 (build_classic_dir_vector): Replace implementation almost identical to
4838 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4840 (subscript_dependence_tester_1): New.
4841 (subscript_dependence_tester): Handle the lexicographically negative
4842 distance vectors by recomputing the dependence relation.
4843 (compute_affine_dependence): Remove parameter loop_nest_depth.
4844 (compute_self_dependence): Don't call compute_subscript_distance.
4845 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4846 Add a parameter for the loop_nest.
4847 (find_loop_nest_1, find_loop_nest): New.
4848 (compute_data_dependences_for_loop): Compute the loop nest, and give
4849 up if the nest is not well formed.
4850 * tree-data-ref.h (loop_p): New.
4851 (struct data_dependence_relation): Replace size_vect field with
4852 loop_nest, a vec of loops.
4853 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4854 (DDR_LOOP_NEST): New.
4855 (print_dir_vectors, print_dist_vectors,
4856 debug_data_dependence_relation): Declared.
4857 (index_in_loop_nest): New.
4858 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4859 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4862 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4864 * simplify-rtx.c (simplify_relational_operation): Call
4865 simplify_relational_operation_1 even if mode is VOIDmode.
4867 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4869 PR tree-optimization/26804
4870 * tree.h (DECL_CALL_CLOBBERED): New macro.
4871 (tree_decl_common): Add call_clobbered_flag.
4872 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4873 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4874 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4875 (mark_non_addressable): Ditto.
4876 * tree-ssa.c (verify_call_clobbered): New function.
4877 (verify_alias_info): Use it.
4878 * tree-pass.h (pass_reset_cc_flags): New prototype.
4879 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4880 (reset_cc_flags): New function.
4881 * passes.c (init_optimization_passes): Call reset_cc_flags after
4882 initializing referenced_vars.
4884 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4885 Roger Sayle <roger@eyesopen.com>
4888 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4889 to 1.0 for non-real operands. Implement A / A optimization for
4892 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4894 * config/i386/i386.c (size_cost): Correct the comment for
4895 cost of storing fp registers.
4896 (i386_cost): Likewise.
4897 (i486_cost): Likewise.
4898 (pentium_cost): Likewise.
4899 (pentiumpro_cost): Likewise.
4900 (k6_cost): Likewise.
4901 (athlon_cost): Likewise.
4902 (k8_cost): Likewise.
4903 (pentium4_cost): Likewise.
4904 (nocona_cost): Likewise.
4905 (generic64_cost): Likewise.
4906 (generic32_cost): Likewise.
4908 2006-03-24 Denis Chertykov <denisc@overta.ru>
4910 * config/avr/avr-protos.h (extra_constraint): Delete.
4911 (extra_constraint_Q): New declaration.
4912 * config/avr/constraints.md: New file.
4913 * config/avr/avr.md: Include it.
4914 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4915 (TMP_REGNO, ZERO_REGNO): Likewise.
4916 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4917 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4918 (extra_constraint): Delete.
4919 (extra_constraint_Q): Test for memory constraint 'Q'.
4920 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4921 (REG_CLASS_FROM_LETTER): Delete.
4922 (CONST_OK_FOR_LETTER_P): Delete.
4923 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4924 (EXTRA_CONSTRAINT): Delete.
4925 (TMP_REGNO): Delete.
4926 (ZERO_REGNO): Delete.
4928 2006-03-24 Jeff Law <law@redhat.com>
4930 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4931 directly. Call mark_new_vars_to_rename slightly earlier.
4933 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4935 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4937 (gen_compile_unit_die): Use new language types for Objective-C and
4939 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4940 DW_LANG_C_plus_plus.
4943 * config/t-darwin (crt3.o): Work around bug 26840.
4944 * config/darwin-crt3.c: Rewrite.
4945 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4947 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4949 * doc/invoke.texi: Document -femit-class-debug-always
4950 * common.opt: Add -femit-class-debug-always.
4952 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4954 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4955 index and base register.
4956 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4957 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4958 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4959 REGNO_OK_FOR_INDEX_P.
4960 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4962 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4963 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4964 REG_OK_FOR_BASE_P): Definitions removed.
4966 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4969 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4970 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4971 set yet or weren't marked as local yet.
4973 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4975 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4978 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4980 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4981 (rs6000_legitimate_small_data_p): Delete.
4982 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4983 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4984 and make static. Add forward declaration. Update uses.
4985 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4986 of offsettable_memref_p.
4987 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4988 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4990 2006-03-24 Jeff Law <law@redhat.com>
4992 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4993 around bug in immediate-use iterator.
4995 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4998 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4999 or __LITTLE_ENDIAN__.
5001 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5003 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5004 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5005 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5006 * config/sh/sh.opt (mdiv=): Amend description.
5007 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5008 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5009 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5010 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5011 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5012 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5013 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5014 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5015 TARGET_DIVIDE_CALL_FP.
5017 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5019 * haifa-sched.c (choose_ready): Fix type of the local variable.
5020 Move local variables. Add comment.
5021 (check_reg_live): Change signature. Make callable from debugger.
5022 * sched-int.h (check_reg_live): Update signature.
5023 * sched-ebb.c (check_reg_live): Update parameters.
5024 * sched-rgn.c (check_reg_live): Ditto.
5025 (region_head_or_leaf_p): Check pointer before dereferencing.
5026 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5027 before reload on optimization levels below 1.
5029 2006-03-23 Richard Henderson <rth@redhat.com>
5031 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5035 * config/alpha/predicates.md (local_symbolic_operand): Reject
5038 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5041 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5042 expressions which have overflowed constants.
5044 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5046 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5048 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5050 * cfgloopmanip.c (create_loop_notes): Removed.
5051 * final.c (final_scan_insn): Do not handle loop notes.
5052 * jump.c (squeeze_notes): Ditto.
5053 * cfglayout.c (skip_insns_after_block,
5054 duplicate_insn_chain): Ditto.
5055 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5057 * cfgloop.h (create_loop_notes): Declaration removed.
5059 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5061 * varasm.c (output_constant_pool): Restore fnname and fndecl
5063 (assemble_start_function): Adjust call accordingly.
5064 (assemble_end_function): Likewise.
5066 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5069 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5072 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5074 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5077 * system.h (ICE_EXIT_CODE): New macro.
5078 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5079 (diagnostic_action_after_output): Likewise.
5080 * gcc.c (fatal_ice): New function.
5081 (execute): Use it instead of fatal.
5082 (fancy_abort): Likewise.
5083 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5085 2006-03-22 Jeff Law <law@redhat.com>
5087 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5088 iv_analyze_result returning false.
5090 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5092 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5094 2006-03-22 Richard Henderson <rth@redhat.com>
5097 * except.c (duplicate_eh_regions_0): New.
5098 (duplicate_eh_region_1): Duplicate the children of the node as
5099 well as the node itself. Link them up properly.
5100 (duplicate_eh_region_2): Merge into ...
5101 (duplicate_eh_regions): ... here. Take copy_region argument, and
5102 copy only a sub-tree if asked. Simplify copying and fixup.
5103 (eh_region_outer_p): New.
5104 * except.h (duplicate_eh_regions): Update decl.
5105 (eh_region_outer_p): Declare.
5106 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5107 (lower_omp_master): Likewise.
5108 (lower_omp_ordered): Likewise.
5109 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5110 (move_stmt_r): Use it to remap labels. Handle recursion vs
5111 remap_decls_p properly.
5112 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5113 (find_outermost_region_in_block): New.
5114 (new_label_mapper): New.
5115 (move_sese_region_to_fn): Copy eh information to the new function
5117 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5119 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5122 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5124 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5125 into shared libraries.
5127 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5129 * doc/md.texi: Refer to i386/constraints.md instead of
5131 * config/i386/constraints.md: New file, extracted from...
5132 * config/i386/predicates.md: ...here.
5133 * config/i386/i386.md: Include constraints.md.
5135 2006-03-21 Jason Merrill <jason@redhat.com>
5137 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5140 * expr.c (init_block_move_fn): Force default visibility.
5141 (init_block_clear_fn): Likewise.
5142 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5143 * targhooks.c (default_external_stack_protect_fail): Likewise.
5145 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5147 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5148 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5149 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5150 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5151 (loadgp): Use mips_current_loadgp_style.
5152 (loadgp_noshared): New pattern.
5153 (sibcall_internal): Use MIPS_CALL.
5154 (sibcall_value_internal): Likewise.
5155 (sibcall_value_multiple_internal): Likewise.
5156 (call_internal): Likewise.
5157 (call_value_internal): Likewise.
5158 (call_value_multiple_internal): Likewise.
5159 (call_split): Use MIPS_CALL and add an 'S' constraint.
5160 (call_value_split): Likewise.
5161 (call_value_multiple_split): Likewise.
5162 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5163 (-mshared): New option.
5164 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5165 (mips_current_loadgp_style): Declare.
5166 * config/mips/mips.c (mips_classify_symbol): Avoid using
5167 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5168 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5169 TARGET_ABSOLUTE_ABICALLS.
5170 (override_options): Adjust comments. Improve the warning that is
5171 issued when -mabicalls and -G are used together.
5172 (mips_file_start): Remove comment.
5173 (mips_current_loadgp_style): New function.
5174 (mips_gnu_local_gp): New variable.
5175 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5177 (mips_output_function_prologue): Use mips_current_laodgp_style.
5178 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5179 the cprestore instruction.
5180 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5181 live for TARGET_ABSOLUTE_ABICALLS.
5182 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5183 (ASM_SPEC): Pass down -mshared and -mno-shared.
5184 (MIPS_CALL): New macro.
5185 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5187 * doc/invoke.texi (-mabicalls): Update documentation.
5188 (-mshared): Document.
5190 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5192 * config/ia64/unwind-hpux.c: New file.
5193 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5195 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5198 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5200 2006-03-21 Jeff Law <law@redhat.com>
5202 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5203 type conversions of a VR_VARYING source to a wider type.
5205 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5207 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5208 tm_file on Solaris 10 and later.
5209 (sparc64-*-solaris2*): Likewise.
5210 (sparc-*-solaris2*): Likewise.
5211 * config/sol26.h: Rename to config/sol2-6.h.
5212 * config/sol2-10.h: New file.
5214 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5217 * tree-ssa-pre.c (create_component_ref_by_pieces):
5220 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5223 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5224 return it immediately.
5226 2006-03-21 Michael Matz <matz@suse.de>
5228 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5230 (remove_arc, add_arc): Update num_out_arcs member.
5231 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5233 (cache_presence): New function.
5234 (compare_states_for_equiv): New function.
5235 (state_is_differed): Don't take number of outargs, adjust callers.
5236 Use new invariant for speeding up.
5237 (init_equiv_class): Create initial classes based on sorted
5239 (partition_equiv_class): Don't track out_arcs_num.
5240 (evaluate_equiv_classes): Call cache_presence on all states and
5243 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5245 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5246 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5247 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5248 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5250 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5251 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5252 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5253 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5254 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5256 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5257 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5258 (REGNO_REG_CLASS): ARGP is in PREGS.
5259 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5261 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5262 to deal with those addresses.
5263 * addresses.h: New file.
5264 * caller-save.c: Include "addresses.h".
5265 (init_caller_save): Use new base_reg_class function.
5266 * rtl-factoring.c: Include "addresses.h".
5267 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5268 * recog.c: Include "addresses.h".
5269 (preprocess_constraints): Use new base_reg_class function.
5270 * regrename.c: Include "addresses.h".
5271 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5272 functions. Keep track of a new var INDEX_CODE to compute valid
5274 (replace_oldest_value_addr): Likewise.
5275 (replace_oldest_value_mem): Use base_reg_class.
5276 * reload.c: Include "addresses.h".
5277 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5278 (find_reloads): Use new base_reg_class function.
5279 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5280 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5281 all callers and prototype changed.
5282 * reload1.c: Include "addresses.h".
5283 (maybe_fix_stack_asms): Use base_reg_class.
5284 * regclass.c: Include "addresses.h".
5285 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5286 (init_reg_autoinc): Use new base_reg_class function.
5287 (record_reg_classes): Likewise.
5288 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5289 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5290 Use new args to compute necessary class.
5292 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5293 regrename.o, rtl-factoring.o): Update dependencies.
5294 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5295 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5296 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5297 REG_OK_FOR_INDEX_P): Delete documentation.
5299 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5301 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5302 from V7 to V9 for Solaris 7 and above.
5304 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5306 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5307 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5308 argument pointers may not alias any other storage.
5309 * common.opt: Define option -fargument-noalias-anything.
5310 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5311 alias semantics is specified by flag_argument_noalias > 2.
5313 2006-03-20 Jeff Law <law@redhat.com>
5315 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5316 (pass_phi_only_cprop): Declare.
5317 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5319 * tree-ssa-dom.c (degenerate_phi_result): New function.
5320 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5321 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5322 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5323 (eliminate_degenerate_phis): Likewise.
5324 (pass_phi_only_cprop): New pass descriptor.
5325 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5326 support code. Callers updated.
5327 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5328 (store_copy_prop): Likewise.
5329 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5331 2006-03-20 Jason Merrill <jason@redhat.com>
5334 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5335 (push_visibility, pop_visibility): Likewise.
5336 * c-pragma.h: Declare them.
5338 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5340 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5342 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5343 parameter and use get_ebb_head_tail.
5344 (sh_md_init_global): Adjust uses of find_regmode_weight.
5346 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5348 * function.h (struct function) <x_tail_recursion_reentry>:
5349 Rename to x_stack_check_probe_note.
5350 (tail_recursion_reentry): Rename to stack_check_probe_note.
5351 * function.c: Replace tail_recursion_reentry with
5352 stack_check_probe_note everywhere.
5353 (expand_function_start): Only emit a note for
5354 stack_check_probe_note with -fstack-protect.
5355 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5357 * emit-rtl.c (remove_unnecessary_notes): Remove.
5358 (pass_remove_unnecessary_notes): Remove.
5359 * rtl.h (remove_unnecessary_notes): Remove prototype.
5360 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5361 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5362 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5364 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5367 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5368 (valid_in_set): Handle ARRAY_REF.
5369 Change "if min_variant or VH" to asserts.
5370 (create_component_ref_by_pieces): Handle ARRAY_REF.
5371 (create_expression_by_pieces): Likewise.
5372 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5374 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5376 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5377 is operand of switch, not str[0].
5379 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5381 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5382 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5384 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5386 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5387 end of insn_extra_address_constraint declaration.
5389 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5391 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5392 (no-sum-in-toc): Same.
5393 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5395 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5396 NO_FP_IN_TOC for -fPIC instead of mask.
5398 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5399 (BOOT_LDFLAGS): Delete.
5401 * config/rs6000/t-aix52: Same.
5403 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5404 (stmsi[345678]_power): New.
5406 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5408 * config/ia64/ia64.opt: Add empty line to end of file.
5410 2006-03-17 Richard Guenther <rguenther@suse.de>
5413 * builtins.c (get_pointer_alignment): For component style references
5414 adjust alignment to the component type alignment. Make sure
5415 to adjust alignment for component access of constants.
5417 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5419 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5422 2006-03-17 Paul Brook <paul@codesourcery.com>
5424 * doc/install.texi: Docuemnt --with-mode.
5425 * config.gcc: Add --with-mode for arm*-*-*.
5426 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5428 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5430 * sh.c (max_labelno_before_reorg): New variable.
5431 (sh_reorg): Initialize it.
5432 (find_barrier): Check max_labelno_before_reorg before using
5433 label_to_alignment. Take length of explicit alignment insns
5434 into account. When seeing a UNSPECV_CONST_END, return it.
5436 * sh.c (fixup_mova): Set mode of affected label to QImode.
5437 (untangle_mova): New function.
5438 (find_barrier): Use it. Check mode of label before decrementing
5440 (sh_reorg): Likewise.
5441 Set mode of all insns back to VOIDmode.
5443 * sh.c (MOVA_LABELREF): New macro.
5444 (mova_p, fixup_mova, sh_reorg): Use it.
5445 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5446 ADDR_DIFF_VEC matches mova.
5448 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5450 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5451 with ATTRIBUTE_UNUSED.
5453 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5455 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5456 pointer, instead of assuming it is possible to derive the
5457 correct args size from a call insn.
5459 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5461 * rtl.h (CONST_INT_P): Define.
5462 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5463 instead of GET_CODE(x) == CONST_INT.
5464 (vax_rtx_costs): Likewise.
5465 (vax_output_int_move): Likewise.
5466 (vax_output_int_add): Likewise.
5467 (legitimate_constant_address_p): Likewise.
5468 (index_term_p): Likewise.
5469 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5470 * config/vax/vax.md (and<mode>3): Likewise.
5471 (ashrsi3): Likewise.
5473 (movstricthi): Likewise.
5474 (movstrictqi): Likewise.
5475 (rotrsi3): Likewise.
5476 (five unnamed insns): Likewise.
5478 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5480 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5481 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5482 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5483 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5484 Pass to ASM_OUTPUT_DWARF_OFFSET.
5485 * dwarf2out.c (debug_frame_section): New.
5486 (output_call_frame_info): Use debug_frame_section. Pass it to
5487 dw2_asm_output_offset.
5488 (output_die): Pass appropriate section to dw2_asm_output_offset.
5489 (output_compilation_unit_header): Likewise.
5490 (output_pubnames): Likewise.
5491 (output_aranges): Likewise.
5492 (enum dw_val_class): Break dw_val_class_lbl_offset into
5493 dw_val_class_lineptr and dw_val_class_macptr.
5494 (add_AT_lbl_offset): Delete.
5495 (add_AT_lineptr): New.
5496 (add_AT_macptr): New.
5497 (AT_lbl): Expect a lineptr or macptr.
5498 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5499 (attr_checksum): Likewise.
5500 (same_dw_val_p): Likewise.
5501 (size_of_die): Likewise.
5502 (value_format): Likewise.
5503 (output_die): Likewise.
5504 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5506 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5507 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5508 * config/darwin-protos.h (darwin_file_start): New.
5509 (darwin_asm_output_dwarf_offset): New.
5510 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5511 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5513 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5514 if not EH section; simplify.
5515 (darwin_file_start): New.
5516 (darwin_asm_output_dwarf_offset): New.
5517 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5519 (DEBUG_INFO_SECTION): Likewise.
5520 (DEBUG_ABBREV_SECTION): Likewise.
5521 (DEBUG_ARANGES_SECTION): Likewise.
5522 (DEBUG_MACINFO_SECTION): Likewise.
5523 (DEBUG_LINE_SECTION): Likewise.
5524 (DEBUG_LOC_SECTION): Likewise.
5525 (DEBUG_PUBNAMES_SECTION): Likewise.
5526 (DEBUG_STR_SECTION): Likewise.
5527 (DEBUG_RANGES_SECTION): Likewise.
5528 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5529 (ASM_OUTPUT_DWARF_OFFSET): New.
5531 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5533 * config.gcc (tm_defines): Always add to previous value rather
5536 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5538 * config/mips/predicates.md (splittable_const_int_operand): New,
5539 split from move_operand.
5540 (splittable_symbolic_operand): New.
5541 (move_operand): Add commentary. Use splittable_const_int_operand.
5542 Inline mips_atomic_symbolic_constant_p.
5543 * config/mips/mips.md: Add combine splitters for handling moves
5544 of splittable_const_int_operands and splittable_symbolic_operands.
5545 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5546 (mips_split_symbol): Declare.
5547 (mips_move_integer): Declare.
5548 * config/mips/mips.c (mips_split_p): Make global.
5549 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5550 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5551 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5552 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5553 (mips_offset_within_object_p): Handle block symbols.
5554 (mips_atomic_symbolic_constant_p): Delete.
5555 (mips_cannot_force_const_mem): Return false for constants that
5556 mips_legitimize_move can handle.
5557 (mips_use_blocks_for_constant_p): New function.
5558 (mips_split_symbol): Make global.
5559 (mips_move_integer): Likewise. Add a temporary register argument.
5560 (mips_legitimize_const_move): Use splittable_const_int_operand and
5561 splittable_symbolic_operand.
5562 (mips_use_anchors_for_symbol_p): New function.
5563 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5564 (mips_split_p): Declare.
5566 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5568 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5569 (mips*-*-linux*): Likewise.
5571 2006-03-16 Roger Sayle <roger@eyesopen.com>
5572 Daniel Speyer <dspeyer@wam.umd.edu>
5575 * tree-dump.c (dump_real): New function.
5576 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5577 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5578 (tree-dump.o): Add $(REAL_H) to the dependencies.
5580 2006-03-16 Roger Sayle <roger@eyesopen.com>
5583 * real.c (real_from_string): If the mantissa is zero, don't bother
5584 parsing the exponent as the result should always be zero.
5586 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5588 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5590 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5592 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5593 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5594 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5595 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5596 ia64_sched_finish_global): New static functions to implement
5597 hooks from gcc_target.sched.
5598 (spec_check_no, max_uid, pending_data_specs): New static variables.
5599 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5600 ia64_spec_check_src_p): New static functions.
5601 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5602 (TARGET_SCHED_ADJUST_COST): Removed.
5603 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5604 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5605 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5606 TARGET_SCHED_GEN_CHECK,
5607 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5608 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5609 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5610 Fixed to handle speculation checks.
5611 (rtx_needs_barrier): Fixed to handle speculative loads and
5613 (ia64_variable_issue): Added code to count speculative loads and their
5615 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5617 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5619 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5621 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5622 (ia64_reorg): Reset stops_p to NULL after it is freed.
5623 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5624 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5625 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5627 (data_speculative, control_speculative, check_load): New attributes.
5628 (mov<mode>_advanced, mov<mode>_speculative,
5629 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5630 zero_extend<mode>di2_speculative,
5631 zero_extend<mode>di2_speculative_advanced): New patterns for
5632 data and control speculative loads.
5633 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5635 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5636 New pattern for data and control speculation checks.
5637 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5638 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5639 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5640 Auxiliary definitions for the patterns.
5641 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5642 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5644 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5646 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5647 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5648 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5649 New resource constraints.
5650 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5652 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5653 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5654 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5655 msched-in-control-spec, msched-ldc, msched-control-ldc,
5656 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5657 msched-prefer-non-control-spec-insns,
5658 msched-count-spec-in-critical-path): New flags to tune speculative
5660 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5661 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5662 msched-in-control-spec, msched-ldc, msched-control-ldc,
5663 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5664 msched-prefer-non-control-spec-insns,
5665 msched-count-spec-in-critical-path): Document new flags.
5667 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5669 * target.h (struct spec_info_def): New opaque declaration.
5670 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5671 speculate_insn, needs_block_p, gen_check,
5672 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5673 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5674 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5675 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5676 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5677 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5679 (TARGET_SCHED): Use new macros.
5680 * rtl.h (copy_DEPS_LIST_list): New prototype.
5681 * sched-int.h (struct sched_info): Change signature of new_ready field,
5682 adjust all initializations. New fields: add_remove_insn,
5683 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5684 region_head_or_leaf_p.
5685 (struct spec_info_def): New structure declaration.
5686 (spec_info_t): New typedef.
5687 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5688 recovery_block, orig_pat.
5689 (glat_start, glat_end): New variables declaraions.
5690 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5692 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5693 DETACH_LIFE_INFO, USE_GLAT.
5694 (enum SPEC_SCHED_FLAGS): New enumeration.
5695 (NOTE_NOTE_BB_P): New macro.
5696 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5697 attach_life_info, debug_spec_status, check_reg_live): New functions.
5698 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5699 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5701 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5702 * ddg.c (get_block_head_tail): Adjust all uses.
5703 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5704 (sms_sched_info): Initialize new fields.
5705 (contributes_to_priority): Removed.
5706 * haifa-sched.c (params.h): New include.
5707 (get_block_head_tail): Adjust all uses.
5708 (ISSUE_POINTS): New macro.
5709 (glat_start, glat_end): New global variables.
5710 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5711 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5712 old_last_basic_block, before_recovery, current_sched_info_var,
5713 rgn_n_insns, luid): New static variables.
5714 (insn_cost1): New function. Move logic from insn_cost to here.
5715 (find_insn_reg_weight1): New function. Move logic from
5716 find_insn_reg_weight to here.
5717 (reemit_notes, move_insn, max_issue): Change signature.
5718 (move_insn1): Removed.
5719 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5720 extend_bb): New static functions to support extension of scheduler's
5722 (generate_recovery_code, process_insn_depend_be_in_spec,
5723 begin_speculative_block, add_to_speculative_block,
5724 init_before_recovery, create_recovery_block, create_check_block_twin,
5725 fix_recovery_deps): New static functions to support
5726 generation of recovery code.
5727 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5728 restore_bb_notes, move_block_after_check, move_succs): New static
5729 functions to support ebb scheduling.
5730 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5731 functions to support handling of register live information.
5732 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5733 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5734 add_jump_dependencies): New static functions.
5735 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5736 consistancy checking.
5737 (debug_spec_status): New function to call from debugger.
5738 (priority): Added code to handle speculation checks.
5739 (rank_for_schedule): Added code to distinguish speculative instructions.
5740 (schedule_insn): Added code to handle speculation checks.
5741 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5742 Fixed to handle ebbs.
5743 (move_insn): Added code to handle ebb scheduling.
5744 (max_issue): Added code to use ISSUE_POINTS of instructions.
5745 (choose_ready): Added code to choose between speculative and
5746 non-speculative instructions.
5747 (schedule_block): Added code to handle ebb scheduling and scheduling of
5748 speculative instructions.
5749 (sched_init): Initialize new variables.
5750 (sched_finish): Free new variables. Print statistics.
5751 (try_ready): Added code to handle speculative instructions.
5752 * lists.c (copy_DEPS_LIST_list): New function.
5753 * sched-deps.c (extend_dependency_caches): New function. Move logic
5754 from create_dependency_caches to here.
5755 (get_dep_weak, ds_merge): Make global.
5756 * genattr.c (main): Code to output prototype for
5757 dfa_clear_single_insn_cache.
5758 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5759 (output_dfa_clean_insn_cache_func): Code to output
5760 dfa_clear_single_insn_cache function.
5761 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5763 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5765 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5766 New static variables.
5767 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5768 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5770 (ebb_sched_info): Initialize new fields.
5771 (get_block_head_tail): Adjust all uses.
5772 (compute_jump_reg_dependencies): Fixed to use glat_start.
5773 (schedule_ebb): Code to remove unreachable last block.
5774 (schedule_ebbs): Added code to update register live information.
5775 * sched-rgn.c (region_sched_info): Initialize new fields.
5776 (get_block_head_tail): Adjust all uses.
5777 (last_was_jump): Removed. Adjust users.
5778 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5779 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5780 Implement new hooks.
5781 (check_dead_notes1): New static function.
5782 (struct region): New fields: dont_calc_deps, has_real_ebb.
5783 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5784 (BB_TO_BLOCK): Fixed to handle EBBs.
5785 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5786 (ebb_head): New static variable.
5787 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5788 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5790 (compute_dom_prob_ps): New assertion.
5791 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5792 global_live_at_start.
5793 (init_ready_list): New assertions.
5794 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5795 (new_ready): Add support for BEGIN_CONTROL speculation.
5796 (schedule_insns): Fixed code that updates register live information
5798 (schedule_region): Fixed to handle EBBs.
5799 (init_regions): Use extend_regions and check_dead_notes1.
5800 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5801 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5802 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5803 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5804 TARGET_SCHED_GEN_CHECK,
5805 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5806 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5807 * doc/invoke.texi (max-sched-insn-conflict-delay,
5808 sched-spec-prob-cutoff): Document.
5810 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5812 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5813 inter_tick, queue_index.
5814 (struct sched_info): Change signature of init_ready_list field.
5815 Adjust all initializations.
5816 (RESOLVED_DEPS): New access macro.
5817 (ready_add): Remove prototype.
5818 (try_ready): Add prototype.
5819 * sched-rgn.c (init_ready_list): Use try_ready.
5820 (schedule_region): Initialize
5821 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5822 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5823 (init_ready_list): Use try_ready.
5824 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5825 * lists.c (remove_list_elem): Remove `static'.
5826 (remove_free_INSN_LIST_elem): New function.
5827 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5828 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5829 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5831 (readyp): New variable.
5832 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5833 change_queue_index, resolve_dep): New static functions.
5834 (try_ready): New function. Adjust callers in sched-rgn.c and
5835 sched-ebb.c to use it instead of ready_add.
5836 (clock_var): Move at the begining of file.
5837 (rank_for_schedule): Fix typo.
5838 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5839 (ready_lastpos): Enforce assertion.
5840 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5842 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5843 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5844 (queue_to_ready): Use free_INSN_LIST_list.
5845 (early_queue_to_ready): Fix typo.
5846 (schedule_block): Init readyp. Move init_ready_list call after the
5847 initialization of clock_var. Fix error in rejecting insn by
5848 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5849 that previously corrected INSN_TICKs. Add code for handling
5851 (set_priorities): Fix typo.
5852 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5853 Clarify comment and code that keeps current_sched_info->next_tail
5856 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5858 * sched-rgn.c (extend_rgns): New static function.
5859 (find_rgns): Use it.
5860 (gather_region_statistics, print_region_statistics): New static
5862 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5863 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5865 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5866 Andrey Belevantsev <abel@ispras.ru>
5868 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5869 * lists.c (unused_deps_list): New variable.
5870 (free_list): Add assertions to verify the proper distinguishing
5871 between INSN_LISTs and DEPS_LISTs.
5872 (find_list_elem, remove_list_elem, remove_list_node): New static
5874 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5875 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5876 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5877 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5879 (free_INSN_LIST_node): Likewise.
5880 * modulo-sched.c (current_sched_info): Initialize flags field.
5881 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5882 * rtl.def (DEPS_LIST): Define.
5883 * rtl.h: Declare new functions from lists.c.
5884 * sched-deps.c (spec_dependency_cache): New static variable.
5885 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5886 (add_dependence): Change return type to void. Move the logic to ...
5887 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5888 (delete_all_dependences): Add comment about forward_dependency_cache.
5889 Handle spec_dependency_cache. Handle DEPS_LISTs.
5890 (fixup_sched_groups): Clarify the change of priority of output
5891 and anti dependencies.
5892 (sched_analyze_2): Adjust add_dependence calls to create data
5893 speculative dependence.
5894 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5895 Adjust all callers. Handle DEPS_LISTS.
5896 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5897 presence of speculation.
5898 (init_dependency_caches, free_dependency_caches):
5899 Handle spec_dependency_cache.
5900 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5901 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5902 New static functions.
5903 (add_or_update_back_dep, add_or_update_back_forw_dep,
5904 add_back_forw_dep, delete_back_forw_dep): New functions.
5905 * sched-int.h (ds_t, dw_t): New typedefs.
5906 (struct sched_info): Add new field flags.
5907 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5908 Prototype new sched-deps.c functions.
5909 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5910 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5911 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5912 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5913 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5914 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5916 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5918 * sched-rgn.c (current_sched_info): Initialize flags field.
5919 (schedule_insns): Initialize current_sched_info before the sched_init
5921 * sched-ebb.c (current_sched_info): Initialize flags field.
5922 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5923 Call add_or_update_back_dep instead of add_dependence.
5924 Create control speculative dependencies.
5925 (schedule_insns): Initialize current_sched_info before the sched_init
5928 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5930 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5932 (sh_fallback_frame_state): Likewise.
5934 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5936 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5937 Do switch on default_use_cxa_atexit.
5938 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5939 * config/darwin-crt3.o: New.
5940 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5941 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5942 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5944 * config/rs6000/t-darwin: Move crt2.o building to here.
5945 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5946 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5949 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5951 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5952 from '! xxx' to '!xxx' for coding-style conformance.
5953 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5954 (EXTRA_CONSTRAINT): Likewise.
5955 * config/vax/vax.md (four unnamed insns): Likewise.
5957 2006-03-15 Paul Brook <paul@codesourcery.com>
5959 * config/arm/arm.c (minipool_pad): New.
5960 (add_minipool_forward_ref): Include pool alignment padding in address
5962 (push_minipool_fix): Set minipool_pad.
5963 (minipool_pad): Ditto.
5965 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5967 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5968 instead of GET_CODE() == MEM and REG_P() instead of
5970 (print_operand_address): Likewise.
5971 (vax_address_cost): Likewise.
5972 (vax_rtx_costs): Likewise.
5973 (vax_notice_update_cc): Likewise.
5974 (vax_output_int_add): Likewise.
5975 (INDEX_REGISTER_P): Likewise.
5976 (BASE_REGISTER_P): Likewise.
5977 (nonindexed_address_p): Likewise.
5978 (vax_mode_dependent_address_p): Likewise.
5979 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5980 (PRINT_OPERAND): Likewise.
5981 * config/vax/vax.md (ashlsi3): Likewise.
5982 (ashlsi3): Likewise.
5983 (some more unnamed insns): Likewise.
5985 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5987 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5988 iterator-style macro.
5989 (mark_control_dependent_edges_necessary): Update the use of
5990 EXECUTE_IF_CONTROL_DEPENDENT.
5992 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5994 * config/sh/predicates.md (cache_address_operand): Special.
5995 (ua_address_operand): Likewise.
5997 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5999 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6001 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6003 2006-03-15 Andreas Schwab <schwab@suse.de>
6005 * gensupport.c (identify_predicable_attribute): Don't free p_false
6006 when it is still in use.
6008 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6010 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6011 the default setting here.
6013 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6015 * tree-pass.h (pass_cfg): Remove.
6016 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6017 * passes.c (pass_cfg): Don't run it.
6019 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6021 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6022 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6024 (stack_regs_mentioned): Update the uses of
6025 stack_regs_mentioned_data. Don't access the array beyond its
6027 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6028 Don't include gt-reg-stack.h.
6030 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6031 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6033 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6036 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6039 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6041 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6043 2006-03-14 Richard Guenther <rguenther@suse.de>
6045 PR tree-optimization/26672
6046 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6049 2006-03-14 Richard Guenther <rguenther@suse.de>
6051 PR tree-optimization/26667
6052 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6053 node for the callees. Always allow inlining if it will shrink
6056 2006-03-14 Richard Guenther <rguenther@suse.de>
6059 * builtins.c (get_pointer_alignment): Prefer alignment
6060 information from decls over that from types.
6062 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6065 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6067 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6069 * config/rs6000/rs6000.opt (mdlmzb): New option.
6070 (msched-prolog, msched-epilog): Use Var not Mask.
6071 * doc/invoke.texi (-mdlmzb): Document.
6072 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6074 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6075 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6077 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6079 PR rtl-optimization/25739
6080 * bt-load.c (augment_live_range): Free tos pointer.
6082 * gensupport.c (identify_predicable_attribute): Free
6084 * gcov.c (create_file_names): Free name pointer.
6086 2006-03-13 Roger Sayle <roger@eyesopen.com>
6089 * stmt.c (emit_case_nodes): Handle the case where the index is a
6090 CONST_INT, where the comparison mode is specified by the index type.
6092 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6094 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6097 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6099 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6100 (*branch_fp_inverted): Likewise.
6102 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6105 * omp-low.c (expand_omp_for_generic): Mark istart0
6106 and iend0 as addressable.
6108 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6110 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6112 2006-03-13 Jeff Law <law@redhat.com>
6114 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6115 virtual operands are interesting.
6116 (vrp_visit_stmt): Corresponding changes.
6118 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6120 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6122 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6123 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6124 * config/bfin/crti.S: Use it instead of __PIC__.
6125 * config/bfin/crtn.S: Likewise.
6127 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6128 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6130 Lose 'G' modifier for call operand.
6131 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6132 recognize 'G' modifier.
6134 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6137 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6138 * stmt.c (expand_case): Likewise.
6140 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6142 PR rtl-optimization/26254
6143 * loop-invariant.c (seq_insns_valid_p): New function.
6144 (move_invariant_reg): Only emit new code if it is valid.
6146 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6148 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6150 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6151 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6152 (commit_one_edge_insertion): Do not look for loop notes.
6154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6156 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6157 flag_test_coverage out of loop.
6159 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6161 * final.c (shorten_branches): Remove outdated comment, and turn
6162 the if branch that guards it to continue.
6164 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6166 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6167 * cfgloop.h (struct loop): Remove unused fields.
6169 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6171 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6172 (-dL, -fdump-rtl-loop2): Update the dump file names
6174 * doc/invoke.texi: Update dump file names.
6176 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6178 * predict.c (estimate_probability): Remove.
6179 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6180 * basic-block.h (estimate_probability): Remove prototype.
6181 * passes.c (finish_optimization_passes): Dump branch prediction or
6182 profiling heuristics to the .profile tree dump.
6183 (init_optimization_passes): Unqueue pass_branch_prob.
6185 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6187 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6189 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6190 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6192 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6194 * function.h (frame_offset_overflow): Declare.
6195 * function.c (frame_offset_overflow): New function.
6196 (assign_stack_local_1): Call it to detect that the offset overflows.
6197 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6199 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6201 * config/sh/sh.c: Include alloc-pool.h.
6202 (label_ref_list_pool): New alloc pool.
6203 (label_ref_list_t): New type for lists of labels.
6204 (struct pool_node): Make wend a label_ref_list_t.
6205 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6207 (dump_table): Likewise.
6208 (sh_reorg): Set up the alloc pool before using add_constant and
6209 dump_table, and destroy it when finishing.
6211 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6213 * config/mips/mips.c: Remove redundant comment.
6215 2006-03-10 Jason Merrill <jason@redhat.com>
6218 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6219 the target was declared 'register'.
6221 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6223 * genpreds.c (write_insn_constraint_len): Change definition of
6224 insn_constraint_len to return size_t to match the declaration.
6226 2006-03-10 DJ Delorie <dj@redhat.com>
6228 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6230 (m32c_expand_insv): Fix test for an AND mask.
6232 2006-03-10 Richard Guenther <rguenther@suse.de>
6235 * builtins.c (get_pointer_alignment): Handle component
6236 references for field alignment.
6238 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6240 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6241 when building with libgloss.
6242 (sh*elf): Implement --without-fp option.
6243 (sh64-superh-linux*): Don't multilib.
6245 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6247 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6249 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6251 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6252 Set it when one of the replacement functions returned true.
6253 Return TODO_cleanup_cfg if cfgchanged is true.
6254 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6256 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6258 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6259 instead of gen_lowpart.
6261 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6263 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6265 (mips_output_order_conditional_branch): Declare.
6266 * config/mips/mips.h (MIPS_BRANCH): New macro.
6267 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6268 for the comparison. Use gen_condjump.
6269 (mips_output_conditional_branch): Rework interface to take the
6270 asm templates for a direct branch and the inverse of a direct branch.
6271 (mips_output_order_conditional_branch): New function.
6272 (mips_builtin_branch_and_move): New function.
6273 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6274 branch condition. Use gen_single_cc as the condition for
6275 __builtin_mips_upper_* or __builtin_mips_lower_*.
6276 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6277 Use VOIDmode for the branch condition.
6278 * config/mips/predicates.md (order_operator): New predicate.
6279 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6280 (branch_fp): Rename to...
6281 (*branch_fp): ...this. Remove mode from comparison operator.
6282 Use new mips_output_conditional_branch interface.
6283 (branch_fp_inverted): Rename to...
6284 (*branch_fp_inverted): ...this and update as for *branch_fp.
6285 (*branch_zero<mode>): Rename to...
6286 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6287 Use mips_output_order_conditional_branch. Only accept ordered
6289 (*branch_zero<mode>_inverted): Rename to...
6290 (*branch_order<mode>_inverted): ...this and update as for
6291 *branch_order<mode>.
6292 (*branch_equality<mode>): Accept zero as the second operand to
6293 the equality operator. Use the new mips_output_conditional_branch
6295 (*branch_equality<mode>_inverted): Likewise.
6296 (condjump): New expander.
6297 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6299 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6300 (bc1any2t, bc1any2f): Likewise.
6301 (single_cc): New expander.
6302 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6304 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6306 * doc/md.texi: Update documentation of MIPS constraints.
6307 * config/mips/constraints.md: New file.
6308 * config/mips/mips.md: Include it.
6309 * config/mips/mips.c (mips_char_to_class): Delete.
6310 (override_options): Don't initialize mips_char_to_class.
6311 * config/mips/mips.h (mips_char_to_class): Delete.
6312 (REG_CLASS_FROM_LETTER): Delete.
6313 (CONST_OK_FOR_LETTER_P): Delete.
6314 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6315 (EXTRA_CONSTRAINT_Y): Delete.
6316 (EXTRA_CONSTRAINT_STR): Delete.
6317 (CONSTRAINT_LEN): Delete.
6318 (EXTRA_MEMORY_CONSTRAINT): Delete.
6320 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6322 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6323 original fn's eh regions.
6325 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6327 * fold-const.c (build_range_check): Make sure to use a valid type to
6328 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6331 (range_predecessor): New static function.
6332 (range_successor): Likewise.
6333 (merge_ranges): Use them to compute predecessors and successors of
6336 2006-03-09 Roger Sayle <roger@eyesopen.com>
6339 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6340 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6342 2006-03-08 DJ Delorie <dj@redhat.com>
6344 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6345 (addpsi3): Expand to include memory operands. Remove
6346 reload-specific splits.
6347 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6348 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6349 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6350 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6351 (shift1_qi, shift1_hi, insv): New.
6352 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6353 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6354 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6356 * config/m32c/m32c-protos.h: Update as needed.
6357 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6358 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6359 Fail for unrecognized R* constraints.
6360 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6361 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6362 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6364 (m32c_init_libfuncs): New.
6365 (m32c_legitimate_address_p): Add debug wrapper.
6366 (m32c_rtx_costs): New.
6367 (m32c_address_cost): New.
6368 (conversions): Add 'B' prefix.
6369 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6370 operands, or word regnames for QI operands. 'B' prints bit
6372 (m32c_expand_setmemhi): New.
6373 (m32c_expand_movmemhi): New.
6374 (m32c_expand_movstr): New.
6375 (m32c_expand_cmpstr): New.
6376 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6377 (m32c_expand_neg_mulpsi3): Handle non-ints.
6378 (m32c_cmp_flg_0): New.
6379 (m32c_expand_movcc): New.
6380 (m32c_expand_insv): New.
6381 (m32c_scc_pattern): New.
6382 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6383 a0/a1 out of SIregs.
6384 (STORE_FLAG_VALUE): New.
6385 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6388 * config/m32c/mov.md: Make constraints more liberal.
6389 (zero_extendqihi2): Optimize r0/r1 case.
6390 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6391 * config/m32c/predicates.md (m32c_any_operand): New.
6392 (m32c_nonimmediate_operand): New.
6393 (m32c_hl_operand): New.
6394 (m32c_r3_operand): New.
6397 (memsym_operand): New.
6398 (memimmed_operand): New.
6399 (a_qi_operand): New.
6400 (m32c_eqne_operator): New.
6401 (m32c_1bit8_operand): New.
6402 (m32c_1bit16_operand): New.
6403 (m32c_1mask8_operand): New.
6404 (m32c_1mask16_operand): New.
6405 * config/m32c/blkmov.md: New file.
6406 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6408 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6410 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6411 unsigned to fix signed/unsigned comparison issue in
6412 DWARF2_FRAME_REG_OUT.
6413 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6414 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6416 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6417 of ptr into the ENABLE_CHECKING section.
6419 2006-03-08 Jeff Law <law@redhat.com>
6421 * tree-vrp.c (infer_value_range): Only count pointer uses
6422 and dereferences if -fdelete-null-pointer-checks is enabled.
6424 * tree-vrp.c (find_assert_locations): Infer value ranges for
6425 single use pointers, but do not create ASSERT_EXPRs for them.
6426 When a non-null range is inferred for a pointer, backwards
6427 propagate that range to other equivalent pointers through the
6430 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6433 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6434 language hook targets.
6435 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6436 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6437 if language hook targets were missing.
6439 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6441 * tree-ssa-opfinalize.h: Removed.
6442 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6444 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6445 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6446 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6447 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6448 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6449 finalize_ssa_v_must_def_ops): New.
6451 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6453 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6456 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6458 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6460 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6461 addresses with offsets; reorganize.
6463 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6464 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6465 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6467 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6470 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6472 2006-03-08 Ben Elliston <bje@au.ibm.com>
6474 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6476 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6479 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6482 2006-03-07 Richard Guenther <rguenther@suse.de>
6484 PR tree-optimization/26587
6485 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6487 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6489 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6491 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6493 * hooks.c (hook_bool_mode_rtx_true): New function.
6494 * hooks.h (hook_bool_mode_rtx_true): Declare.
6495 * toplev.c (compile_file): Call output_shared_constant_pool.
6496 * varasm.c (shared_constant_pool): New variable.
6497 (assemble_start_function, assemble_end_function): Remove arguments
6498 from call to output_constant_pool.
6499 (create_constant_pool): New function, split out from...
6500 (init_varasm_status): ...here.
6501 (force_const_mem): Choose between the shared and per-function constant
6502 pools. Set current_function_uses_const_pool when reusing old entries
6503 as well as when creating new ones.
6504 (mark_constant): Ignore data argument.
6505 (mark_constants): Remove pool argument.
6506 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6507 to decide whether the function uses a constant pool.
6508 (output_constant_pool_contents): New function, split out from...
6509 (output_constant_pool): ...here.
6510 (output_shared_constant_pool): New function.
6511 (init_varasm_once): Initialize shared_constant_pool.
6512 * output.h (output_constant_pool): Delete.
6513 (output_shared_constant_pool): Declare.
6514 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6515 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6517 2006-03-06 Nick Clifton <nickc@redhat.com>
6519 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6520 flag_strength_reduce.
6522 2006-03-06 Ben Elliston <bje@au.ibm.com>
6524 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6525 x86_64-*-linux* configurations.
6527 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6528 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6530 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6532 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6534 * basic-block.h: Remove the extern for
6535 rediscover_loops_after_threading.
6537 * cfgloop.c (cancel_loop): Make it static.
6538 * cfgloop.h: Remove the prototype for cancel_loop.
6540 * flow.c (recompute_reg_usage): Make it static.
6541 * rtl.h: Remove the prototype for recompute_reg_usage.
6543 * function.c (use_return_register): Make it static.
6544 * function.h: Remove the prototype.
6546 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6548 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6550 * recog.h: Remove the prototype for
6551 validate_change_maybe_volatile.
6553 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6555 * rtlanal.c (replace_reg): Remove.
6556 * rtl.h: Remove the prototype for replace_reg.
6558 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6560 * regclass.c (reg_scan_update): Remove.
6561 (reg_scan_mark_refs): Remove the last argument.
6562 * rtl.h: Remove the prototype for reg_scan_update.
6564 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6566 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6567 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6568 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6569 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6570 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6571 loop-invariant.c, omp-low.c, opts.c, passes.c,
6572 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6573 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6574 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6575 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6576 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6577 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6579 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6581 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6582 * dwarf2out.h: Remove the prototype for
6583 dwarf2out_add_library_unit_info.
6585 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6587 * tree.c (add_var_to_bind_expr): Remove.
6588 * tree.h: Remove the prototype for add_var_to_bind_expr.
6590 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6592 * regclass.c (n_non_fixed_regs): Remove.
6593 (init_reg_sets_1, globalize_reg): Remove all uses of
6595 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6597 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6599 * rtlanal.c (insns_safe_to_move_p): Remove.
6600 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6602 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6604 * expmed.c (expand_mult_add): Remove.
6605 * expr.h: Remove the prototype for expand_mult_add.
6607 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6609 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6610 and REG_SAVED_VAL_EXP constants.
6611 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6612 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6613 Handle regs stored by value.
6614 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6615 (execute_cfa_program): Handle DW_CFA_val_offset,
6616 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6617 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6618 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6619 (uw_install_context_1): Handle target regs stored by value.
6621 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6623 * tree-sra.c (tree_sra): Return todoflags;
6624 (generate_one_element): Set TODO_update_smt_usage if needed.
6625 (pass_sra): Remove TODO_update_smt_usage.
6626 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6628 (tree_ssa_forward_propagate_single_use_vars): Return
6629 TODO_update_smt_usage if we need to update SMT usage.
6630 (pass_forwprop): Remove TODO_update_smt_usage.
6632 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6634 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6635 (correct_use_link): Remove reference to get_stmt_operands.
6636 (update_stmt_operands): Likewise.
6637 (get_modify_expr_operands): New function factored out of
6638 parse_ssa_operands and get_expr_operands.
6639 Try to create V_MUST_DEFs for LHS by default.
6640 (get_expr_operands) <case MODIFY_EXPR>: Call
6641 get_modify_expr_operands.
6642 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6643 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6644 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6645 get_modify_expr_operands.
6647 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6649 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6650 * tree-flow.h: Remove the prototype for
6651 referenced_var_lookup_if_exists.
6653 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6655 PR rtl-optimization/26345
6657 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6659 2006-03-03 Roger Sayle <roger@eyesopen.com>
6661 PR tree-optimization/26524
6662 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6663 fold_convert to create a constant of the appropriate type.
6665 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6667 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6668 SYMBOL_REF_IN_BLOCK_P.
6669 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6670 of SYMBOL_FLAG_IN_BLOCK.
6671 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6672 instead of SYMBOL_REF_IN_BLOCK_P.
6673 * explow.c (use_anchored_address): Likewise.
6674 * rtl.c (rtx_size): Likewise.
6675 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6676 instead of SYMBOL_FLAG_IN_BLOCK.
6677 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6678 SYMBOL_REF_IN_BLOCK_P.
6679 (assemble_variable): Likewise.
6680 (output_constant_def_contents): Likewise.
6681 (output_constant_pool): Likewise.
6682 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6683 instead of SYMBOL_FLAG_IN_BLOCK.
6684 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6685 SYMBOL_REF_IN_BLOCK_P.
6686 (SYMBOL_REF_BLOCK): Likewise.
6687 (SYMBOL_REF_OFFSET): Likewise.
6688 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6689 SYMBOL_REF_IN_BLOCK_P.
6690 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6691 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6692 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6693 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6695 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6697 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6699 2006-03-02 Roger Sayle <roger@eyesopen.com>
6701 * simplify-rtx.c (simplify_unary_operation): When simplifying
6702 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6703 that we perform the right shift in the appropriate mode, and
6704 then extend or truncate the result to requested mode.
6706 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6708 * gengtype.c (main): Handle double_int type.
6709 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6710 * double-int.c: New file.
6711 * double-int.h: New file.
6712 * system.h: Include doubleint.h.
6713 * Makefile.in (SYSTEM_H): Include double-int.h.
6714 (double-int.o): Add.
6716 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6719 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6722 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6724 * tree-vrp.c (remove_range_assertions): Do not update statements
6727 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6729 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6731 * gcse.c (rest_of_handle_gcse): Ditto.
6732 * except.c (gate_handle_eh): Ditto.
6733 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6734 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6736 2006-03-02 Eric Christopher <echristo@apple.com>
6738 * config/i386/i386.c (machopic_output_stub): Add indirection to
6741 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6745 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6747 Sun Niagara specific optimizations.
6748 * config.gcc: Recognize niagara as target.
6749 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6750 (TARGET_CPU_niagara): Define.
6751 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6752 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6753 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6754 (ASM_CPU_SPEC): Likewise.
6755 (PROCESSOR_NIAGARA): New enum entry.
6756 (REGISTER_MOVE_COST): Handle Niagara.
6757 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6758 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6759 (sparc_override_options): Recognize "niagara", set appropriate
6760 default MASK_* values for it, and align functions to 32-bytes
6761 by default just like ULTRASPARC/ULTRASPARC3.
6762 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6763 (sparc64_initialize_trampoline): Likewise.
6764 (sparc_use_sched_lookahead): Use zero for niagara.
6765 (sparc_issue_rate): Use one for niagara.
6766 * config/sparc/niagara.md: New file.
6767 * config/sparc/sparc.md: Include it.
6768 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6769 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6770 when default cpu is niagara.
6771 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6772 (ASM_CPU_SPEC): Likewise.
6773 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6774 when default cpu is niagara.
6775 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6776 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6777 just like v9/ultrasparc/ultrasparc3.
6778 * doc/invoke.texi: Add documentation for "niagara" and improve
6779 existing documentation for ultrasparc variants.
6781 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6783 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6785 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6787 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6788 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6789 and say that only one is needed.
6790 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6791 * target.h (have_switchable_bss_sections): New hook.
6792 * explow.c (use_anchored_address): Check that the symbol is in a block.
6793 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6794 (bss_noswitch_section): New variables.
6795 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6796 (get_noswitch_section): New function.
6797 (get_block_for_section): Allow SECT to be null.
6798 (unlikely_text_section_p): Use SECTION_STYLE.
6799 (bss_initializer_p): New function.
6800 (get_variable_section): Move earlier in file. Take a new argument,
6801 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6802 Return one of the new *_sections in such cases.
6803 (get_block_for_decl): New function, extracting some logic from
6804 use_blocks_for_decl_p.
6805 (change_symbol_section): Remove in favor of...
6806 (change_symbol_block): ...this new function.
6807 (use_blocks_for_decl_p): Remove checks now performed by
6809 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6810 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6811 (emit_local, emit_bss, emit_common): ...these new functions.
6812 Return true if the alignment was honored.
6813 (emit_tls_common): New function.
6814 (asm_emit_uninitialised): Delete.
6815 (assemble_variable_noswitch): New function, split out from...
6816 (assemble_variable): ...here. Don't make decisions about common
6817 variables here. Globalize all public decls that go into non-common
6818 sections. Check whether SYMBOL_REF_BLOCK is null.
6819 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6820 (output_constant_pool): Likewise.
6821 (init_varasm_once): Initialize the new section variables.
6822 (have_global_bss_p): New function.
6823 (categorize_decl_for_section): Use bss_initializer_p.
6824 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6825 (place_block_symbol): Assert that the symbol must be in a block.
6826 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6827 (TARGET_INITIALIZER): Include it.
6828 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6829 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6830 (SECTION_MACH_DEP): Bump by two.
6831 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6832 (unnamed_section): Mention SECTION_UNNAMED in comment.
6833 (named_section): Likewise SECTION_NAMED.
6834 (noswitch_section_callback): New type.
6835 (noswitch_section): New structure.
6836 (section): Add a noswitch_section alternative.
6837 (SECTION_STYLE): New macro.
6838 (tls_comm_section, comm_section, lcomm_section): Declare.
6839 (bss_noswitch_section, have_global_bss_p): Declare.
6840 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6841 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6843 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6844 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6847 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6849 * tree-vrp.c (execute_vrp): Return value.
6850 * regrename.c (rest_of_handle_regrename): Ditto.
6851 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6852 * tree-complex.c (tree_lower_complex): Ditto.
6853 (tree_lower_complex_O0): Ditto.
6854 * tracer.c (rest_of_handle_tracer): Ditto.
6855 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6856 * postreload.c (rest_of_handle_postreload): Ditto.
6857 * tree-tailcall.c (execute_tail_recursion): Ditto.
6858 (execute_tail_calls): Ditto.
6859 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6860 * tree.h (init_function_for_compilation): Ditto.
6861 * ipa-cp.c (ipcp_driver): Ditto.
6862 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6863 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6864 * final.c (compute_alignments): Ditto.
6865 (rest_of_handle_final): Ditto.
6866 (rest_of_handle_shorten_branches): Ditto.
6867 (rest_of_clean_state): Ditto.
6868 * omp-low.c (execute_expand_omp): Ditto.
6869 (execute_lower_omp): Ditto.
6870 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6871 * ipa-reference.c (static_execute): Ditto.
6872 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6873 * reorg.c (rest_of_handle_delay_slots): Ditto.
6874 (rest_of_handle_machine_reorg): Ditto.
6875 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6876 * flow.c (recompute_reg_usage): Ditto.
6877 (rest_of_handle_remove_death_notes): Ditto.
6878 (rest_of_handle_life): Ditto.
6879 (rest_of_handle_flow2): Ditto.
6880 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6881 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6882 (do_ssa_store_ccp): Ditto.
6883 (execute_fold_all_builtins): Ditto.
6884 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6885 * modulo-sched.c (rest_of_handle_sms): Ditto.
6886 * ipa-pure-const.c (static_execute): Ditto.
6887 * cse.c (rest_of_handle_cse): Ditto.
6888 (rest_of_handle_cse2): Ditto.
6889 * web.c (rest_of_handle_web): Ditto.
6890 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6891 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6892 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6893 * tree-nrv.c (tree_nrv): Ditto.
6894 (execute_return_slot_opt): Ditto.
6895 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6896 (create_structure_vars): Ditto.
6897 * loop-init.c (rtl_loop_init): Ditto.
6898 (rtl_loop_done): Ditto.
6899 (rtl_move_loop_invariants): Ditto.
6900 (rtl_unswitch): Ditto.
6901 (rtl_unroll_and_peel_loops): Ditto.
6902 (rtl_doloop): Ditto.
6903 * gimple-low.c (lower_function_body): Ditto.
6904 (mark_used_blocks): Ditto.
6905 * tree-ssa-sink.c (execute_sink_code): Ditto.
6906 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6907 (cgraph_early_inlining): Ditto.
6908 * global.c (rest_of_handle_global_alloc): Ditto.
6909 * jump.c (cleanup_barriers): Ditto.
6910 (purge_line_number_notes): Ditto.
6911 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6912 (rest_of_handle_if_after_reload): Ditto.
6913 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6914 (tree_ssa_loop_im): Ditto.
6915 (tree_ssa_loop_unswitch): Ditto.
6916 (tree_vectorize): Ditto.
6917 (tree_linear_transform): Ditto.
6918 (tree_ssa_loop_ivcanon): Ditto.
6919 (tree_ssa_empty_loop): Ditto.
6920 (tree_ssa_loop_bounds): Ditto.
6921 (tree_complete_unroll): Ditto.
6922 (tree_ssa_loop_prefetch): Ditto.
6923 (tree_ssa_loop_ivopts): Ditto.
6924 (tree_ssa_loop_done): Ditto.
6925 * predict.c (tree_estimate_probability): Ditto.
6926 * recog.c (split_all_insns_noflow): Ditto.
6927 (rest_of_handle_peephole2): Ditto.
6928 (rest_of_handle_split_all_insns): Ditto.
6929 * tree-eh.c (lower_eh_constructs): Ditto.
6930 * regmove.c (rest_of_handle_regmove): Ditto.
6931 (rest_of_handle_stack_adjustments): Ditto.
6932 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6933 * function.c (instantiate_virtual_regs): Ditto.
6934 (init_function_for_compilation): Ditto.
6935 (rest_of_handle_check_leaf_regs): Ditto.
6936 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6937 (rest_of_handle_gcse): Ditto.
6938 * ipa-type-escape.c (type_escape_execute): Ditto.
6939 * alias.c (rest_of_handle_cfg): Ditto.
6940 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6941 * profile.c (rest_of_handle_branch_prob): Ditto.
6942 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6943 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6944 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6945 * tree-dfa.c (find_referenced_vars): Ditto.
6946 * except.c (set_nothrow_function_flags): Ditto.
6947 (convert_to_eh_region_ranges): Ditto.
6948 (rest_of_handle_eh): Ditto.
6949 * emit-rtl.c (unshare_all_rtl): Ditto.
6950 (remove_unnecessary_notes): Ditto.
6951 * except.h (set_nothrow_function_flags): Ditto.
6952 (convert_to_eh_region_ranges): Ditto.
6953 * cfgexpand.c (tree_expand_cfg): Ditto.
6954 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6955 * tree-ssa-pre.c (do_pre): Ditto.
6956 (execute_fre): Ditto.
6957 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6958 (rest_of_handle_jump2): Ditto.
6959 * tree-sra.c (tree_sra): Ditto.
6960 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6961 (execute_mudflap_function_decls): Ditto.
6962 * tree-ssa-copy.c (do_copy_prop): Ditto.
6963 (do_store_copy_prop): Ditto.
6964 * ipa-prop.h (ipcp_driver): Ditto.
6965 * cfglayout.c (insn_locators_initialize): Ditto.
6966 * tree-ssa-forwprop.c
6967 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6968 * cfglayout.h (insn_locators_initialize): Ditto.
6969 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6970 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6971 (execute_late_warn_uninitialized): Ditto.
6972 * rtl.h (cleanup_barriers): Ditto.
6973 (split_all_insns_noflow): Ditto.
6974 (purge_line_number_notes): Ditto.
6975 (unshare_all_rtl): Ditto.
6976 (remove_unnecessary_notes): Ditto.
6977 (recompute_reg_usage): Ditto.
6978 (variable_tracking_main): Ditto.
6979 * integrate.c (emit_initial_value_sets): Ditto.
6980 * integrate.h (emit_initial_value_sets): Ditto.
6981 * tree-optimize.c (execute_free_datastructures): Ditto
6982 (execute_free_cfg_annotations): Ditto.
6983 (execute_fixup_cfg): Ditto.
6984 (execute_cleanup_cfg_pre_ipa): Ditto.
6985 (execute_cleanup_cfg_post_optimizing): Ditto.
6986 (execute_init_datastructures): Ditto.
6987 * tree-object-size.c (compute_object_sizes): Ditto.
6988 * combine.c (rest_of_handle_combine): Ditto.
6989 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6990 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6991 (rest_of_handle_reorder_blocks): Ditto.
6992 (rest_of_handle_partition_blocks): Ditto.
6993 * var-tracking.c (variable_tracking_main): Ditto.
6994 * tree-profile.c (tree_profiling): Ditto.
6995 * tree-vect-generic.c (expand_vector_operations): Ditto.
6996 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6997 * sched-rgn.c (rest_of_handle_sched): Ditto.
6998 (rest_of_handle_sched2): Ditto.
6999 * basic-block.h (free_bb_insn): Ditto.
7000 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7001 * tree-cfg.c (execute_build_cfg): Ditto.
7002 (remove_useless_stmts): Ditto.
7003 (split_critical_edges): Ditto.
7004 (execute_warn_function_return): Ditto.
7005 (execute_warn_function_noreturn): Ditto.
7006 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7007 * cfgrtl.c (free_bb_for_insn): Ditto.
7008 * passes.c (execute_one_pass): Run additional
7009 todos returned by execute function.
7010 * tree-pass.h (struct tree_opt_pass): Make execute
7013 2006-03-02 Richard Guenther <rguenther@suse.de>
7015 * tree-ssa-alias.c (find_used_portions): Consider taking
7016 the address as making the variable not write-only.
7018 2006-03-02 Nick Clifton <nickc@redhat.com>
7020 * config.gcc (default_use_cxa_atexit): Extend the description of
7021 this configure variable. Set its default value to "yes" for
7022 Linux, NetBSD and ELF targets on the assumption that they will
7023 use C libraries with the __cxa_atexit function.
7025 2006-03-02 Ben Elliston <bje@au.ibm.com>
7027 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7028 parameter as unused to suppress a build warning.
7030 2006-03-02 Ben Elliston <bje@au.ibm.com>
7032 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7035 2006-03-01 Roger Sayle <roger@eyesopen.com>
7038 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7039 declared name, the weak reference name, and the typeof name.
7040 (__gthrw): Avoid expanding the declared name suffix.
7041 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7043 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7045 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7047 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7048 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7049 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7050 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7051 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7052 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7053 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7054 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7055 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7056 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7057 (DW_END_default, DW_END_big, DW_END_little): New.
7058 (DW_END_lo_user, DW_END_hi_user): Define.
7059 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7060 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7061 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7064 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7066 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7068 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7070 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7072 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7074 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7075 to 'symbol_mem_tag'.
7077 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7080 2006-03-01 Roger Sayle <roger@eyesopen.com>
7082 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7084 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7087 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7088 MACHO_DYNAMIC_NO_PIC_P.
7089 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7091 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7094 * config/darwin-protos.h (darwin_asm_output_anchor):
7096 * config/darwin-sections.def (cstring_section):
7097 Add SECTION_MERGE to the flags.
7098 (literal4_section): Likewise.
7099 (literal8_section): Likewise.
7100 (objc_selector_refs_section): Likewise.
7101 (objc_cls_refs_section): Likewise.
7102 * config/darwin.c (darwin_asm_output_anchor): New
7104 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7106 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7108 Fix PR tree-optimization/26443
7109 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7110 to todo and PROP_tmt_usage to properties_destroyed.
7111 * tree-ssa-ccp.c (pass_ccp): Ditto.
7112 (pass_store_ccp): Ditto.
7113 * tree-ssa-dom.c (pass_dominator): Ditto.
7115 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7117 * tree-ssa-operands.c: Cleanup whitespace.
7118 (get_asm_expr_operands): Move before first invocation.
7119 (get_indirect_ref_operands): Likewise.
7120 (get_tmr_operands): Likewise.
7121 (get_call_expr_operands): Likewise.
7122 (append_def): Likewise.
7123 (append_use): Likewise.
7124 (append_v_may_def): Likewise.
7125 (append_v_must_def): Likewise.
7126 (add_call_clobber_ops): Likewise.
7127 (add_call_read_ops): Likewise.
7128 (add_stmt_operand): Likewise.
7129 (add_virtual_operand): Likewise.
7130 (build_ssa_operands): Likewise.
7132 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7137 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7138 with a call expr to ...
7139 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7141 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7143 * tree-vrp.c (extract_range_from_assert): Remove special
7144 handling for types with super-types.
7146 2006-03-01 Ben Elliston <bje@au.ibm.com>
7148 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7149 and powerpc64-*-linux* configurations.
7150 * config/t-dfprules: New file.
7152 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7153 Compile dfp-bit.c from the source directory using -DWIDTH and
7154 $DFP_CFLAGS to control the compilation of that file, rather than
7155 generating width-specific versions in the build directory.
7156 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7157 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7159 2006-02-28 Zack Weinberg <zackw@panix.com>
7161 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7164 2006-02-28 Eric Christopher <echristo@apple.com>
7166 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7167 Set up IN_LIBGCC definition of TARGET_64BIT.
7168 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7170 2006-02-28 Roger Sayle <roger@eyesopen.com>
7173 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7174 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7175 cases via the construction of "expr != 0".
7177 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7179 * alias.c (alias_invariant, alias_invariant_size): Remove.
7180 (record_base_value): Remove.
7181 (memrefs_conflict_p): Don't look at alias_invariant.
7182 (end_alias_analysis): Don't free it.
7183 * alias.h (record_base_value): Remove prototype.
7185 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7186 Adam Nemet <anemet@caviumnetworks.com>
7188 * rtl.h (truncated_to_mode): Declare it.
7189 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7190 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7191 (RTL_HOOKS_INITIALIZER): Include it.
7192 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7193 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7194 reg_truncated_to_mode.
7195 * rtlanal.c (truncated_to_mode): Define it.
7196 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7198 2006-02-28 Jeff Law <law@redhat.com>
7200 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7201 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7202 the range allowed by TYPE_PRECISION.
7204 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7206 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7208 PR tree-optimization/26419
7209 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7212 2006-02-27 Zack Weinberg <zackw@panix.com>
7214 * doc/md.texi: Fix typo in previous change.
7216 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7220 2006-02-27 Zack Weinberg <zackw@panix.com>
7222 * rtl.def (define_constraint, define_register_constraint)
7223 (define_memory_constraint, define_address_constraint): New MD forms.
7224 * gensupport.c (process_rtx): Put define_constraint etc on the
7226 * genpreds.c (process_define_predicate): Adjust comment. Validate
7227 the name, and call validate_exp to validate the expression.
7228 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7229 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7230 all callers changed.
7231 (validate_exp, needs_variable, struct constraint_data)
7232 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7233 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7234 (const_dbl_constraints, constraint_max_namelen)
7235 (have_register_constraints, have_memory_constraints)
7236 (have_address_constraints, have_address_constraints)
7237 (have_extra_constraints, have_const_int_constraints)
7238 (have_const_dbl_constraints, mangle, add_constraint)
7239 (process_define_constraint, process_define_register_constraint)
7240 (write_enum_constraint_num, write_lookup_constraint)
7241 (write_insn_constraint_len, write_regclass_for_constraint)
7242 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7243 (write_insn_extra_memory_constraint)
7244 (write_insn_extra_address_constraint)
7245 (write_satisfies_constraint_fns): New.
7246 (write_tm_preds_h): If we have new-style constraint definitions,
7247 prototype the functions generated from them, and define the
7248 old constraint interface (still used by generic code) in terms of
7250 (write_insn_preds_c): If we have new-style constraint definitions,
7251 generate all relevant functions from those definitions.
7252 (main): Handle define_constraint etc.
7253 * genoutput.c (struct constraint_data, indep_constraints)
7254 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7255 (mdep_constraint_len): New data structures and functions, defined
7256 #ifdef USE_MD_CONSTRAINTS.
7257 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7258 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7259 use new logic to validate operand constraints against constraint
7261 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7263 * defaults.h: If none of the old-style constraint macros are
7264 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7265 old-style macros; and poison REG_CLASS_FROM_LETTER,
7266 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7268 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7269 * doc/md.texi: Document new constraint-definition mechanism and the
7270 C interface it provides. Remove references to old mechanism
7271 elsewhere in the document.
7272 (Machine Constraints): Use pathnames relative to gcc directory,
7273 i.e. config/ARCH/FILE. Change i386 section to refer to
7274 config/i386/predicates.md; update that section to match docstrings.
7275 * doc/tm.texi: Move all documentation of the old constraint-
7276 definition macros to their own section, clearly mark as obsolete.
7278 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7279 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7281 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7282 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7283 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7285 (splits and peepholes): Use satisfies_constraint_*.
7286 * config/i386/i386.c (memory_address_length)
7287 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7289 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7291 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7292 scalar operation to be put back into the loop.
7294 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7297 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7298 (extract_cie_info): Handle S flag in augmentation string.
7299 (execute_cfa_program): If context->signal_frame, execute also
7300 fs->pc == context->ra instructions.
7301 (uw_frame_state_for): If context->signal_frame, don't subtract one
7302 from context->ra to find FDE.
7303 (uw_update_context_1): Set context->signal_frame to
7305 (_Unwind_GetIPInfo): New function.
7306 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7307 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7309 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7310 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7311 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7312 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7313 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7314 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7315 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7316 x86_64_fallback_frame_state): Set fs->signal_frame.
7317 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7318 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7319 (frob_update_context): Likewise. Workaround missing S flag in
7320 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7321 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7322 Remove the psw_addr + 1 hack.
7324 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7326 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7327 with aggregates here.
7328 (find_func_aliases): Remove code for &<aggregate> from here.
7330 2006-02-26 Roger Sayle <roger@eyesopen.com>
7332 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7333 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7334 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7337 2006-02-26 Roger Sayle <roger@eyesopen.com>
7340 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7342 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7344 * opts.c (decode_options): Do not handle flag_strength_reduce.
7345 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7346 and OPT_fstrength_reduce.
7347 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7348 flag_prefetch_loop_arrays for being nonzero.
7349 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7351 (fprefetch-loop-arrays-rtl): Removed.
7352 (flag_prefetch_loop_arrays): Do not specify the value.
7354 * doc/passes.texi: Update documentation of loop optimizer
7356 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7357 -frerun-loop-opt): Remove.
7359 2006-02-26 Richard Guenther <rguenther@suse.de>
7361 PR tree-optimization/26421
7362 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7363 in function calls that are ADDR_EXPRs as using the whole structure.
7365 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7367 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7368 * tree-pass.h (pass_loop_optimize): Remove.
7369 * passes.c (pass_loop_optimize): Never run it.
7370 * toplev.c (backend_init): Don't call init_loop.
7371 * opts.c (flag_loop_optimize_set): Remove.
7372 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7373 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7374 the old RTL loop optimizer when profiling enabled.
7375 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7376 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7377 pre-headers for the sake of the old RTL loop optimizer.
7378 * Makefile.in: Remove all references to loop.o.
7380 * doc/invoke.texi: Remove all references to -floop-optimize
7381 and -frerun-loop-opt.
7383 2006-02-26 Zack Weinberg <zackw@panix.com>
7385 * doc/md.texi (Machine Constraints): Refer to all files with paths
7386 relative to gcc directory (i.e. config/CPU/file). Add missing
7387 @table @code ... @end table to M32C subsection.
7389 2006-02-26 Roger Sayle <roger@eyesopen.com>
7391 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7393 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7395 2006-02-26 Roger Sayle <roger@eyesopen.com>
7396 James A. Morrison <phython@gcc.gnu.org>
7399 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7400 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7401 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7402 signedness of the shift operation.
7404 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7406 PR tree-optimization/26359
7407 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7409 2006-02-25 Roger Sayle <roger@eyesopen.com>
7411 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7412 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7413 as X == 0, and some symmetry related transformations.
7414 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7416 2006-02-25 Roger Sayle <roger@eyesopen.com>
7419 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7420 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7421 symmetry related transformations. Fold (X^C1) == C2 as
7424 2006-02-25 Juergen Weigert <jw@suse.de>
7425 Richard Guenther <rguenther@suse.de>
7427 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7429 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7431 * combine.c (gen_lowpart_or_truncate): Call
7432 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7434 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7436 * doc/invoke.texi: Move -fopenmp description to "Options for
7438 Remove reference to -lgomp.
7440 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7442 * doc/install.texi: Require GNU tar version 1.14.
7444 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7446 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7447 * doc/invoke.texi (C++ Dialect Options): Document
7448 -fno-use-cxa-get-exception-ptr.
7449 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7450 * configure: Regenerate.
7451 * c.opt (fuse-cxa-get-exception-ptr): New.
7452 * c-opts.c (c_common_handle_option): Handle
7453 OPT_fuse_cxa_get_exception_ptr.
7454 * c-common.c (flag_use_cxa_atexit): Update documentation.
7455 (flag_use_cxa_get_exception_ptr): New.
7456 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7457 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7459 (C_COMMON_OVERRIDE_OPTIONS): New.
7461 2006-02-24 Roger Sayle <roger@eyesopen.com>
7464 * combine.c (try_combine): Explicitly check whether GET_CODE is
7465 a SET or a CLOBBER, instead on checking that it isn't a USE.
7467 2006-02-24 Roger Sayle <roger@eyesopen.com>
7469 * fold-const.c (fold_comparison): New subroutine of fold_binary
7470 containing transformations common to both the equality and
7471 ordering relational operators, factored out of fold_binary.
7472 (fold_binary): Separate out the equality operators (EQ_EXPR
7473 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7474 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7475 transformations common to both.
7476 (fold_div_compare): Fix latent bugs in the previously unreachable
7477 LT_EXPR and GE_EXPR cases.
7479 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7481 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7482 decl libname for clog to __clog on AIX.
7484 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7486 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7489 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7490 output traceback table for thunks. Localise rs6000_stack_info call.
7492 2006-02-23 Roger Sayle <roger@eyesopen.com>
7493 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7495 * gthr-posix.h (__gthrw): Fix typo in comment.
7497 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7499 * doc/cpp.texi (Character sets): Document that we do support
7500 input files to be in any character set.
7502 2006-02-23 Jeff Law <law@redhat.com>
7504 * tree.h (PHI_ARG_NONZERO): Remove.
7505 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7506 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7507 node to the new node.
7509 PR tree-optimization/26425
7510 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7511 min/max, then assume its varying.
7513 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7515 PR rtl-optimization/26316
7516 * rtlanal.c (enum may_trap_p_flags): New.
7517 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7518 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7519 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7520 (may_trap_after_code_motion_p): New function.
7521 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7522 (find_invariant_insn): Use may_trap_after_code_motion_p.
7523 * rtl.h (may_trap_after_code_motion_p): Declare.
7525 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7527 * emit-rtl.c (immed_double_const): Cleanup.
7529 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7531 Fix PR tree-optimization/26376
7532 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7535 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7538 * gimplify.c (omp_add_variable): Guard variable size decl test with
7539 DECL_SIZE (decl) check.
7541 2006-02-23 Richard Guenther <rguenther@suse.de>
7544 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7545 like aggregate types.
7547 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7549 * configure.ac: Add --with{,out}-long-double-128 configure option.
7550 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7551 * configure: Rebuilt.
7552 * config.in: Rebuilt.
7553 * doc/install.texi (Options specification): Document
7554 --with-long-double-128.
7556 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7557 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7558 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7559 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7561 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7563 * config/s390/s390.c (override_options): Handle
7564 TARGET_DEFAULT_LONG_DOUBLE_128.
7566 * config/alpha/alpha.c (override_options): Handle
7567 TARGET_DEFAULT_LONG_DOUBLE_128.
7569 * config/sparc/sparc.c (sparc_override_options): Handle
7570 TARGET_DEFAULT_LONG_DOUBLE_128.
7572 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7574 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7575 (real-install-headers-tar, real-install-headers-cpio)
7576 (real-install-headers-cp): New targets.
7578 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7580 * tree.h (variable_section): Delete.
7581 * varasm.c (variable_section): Delete.
7583 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7585 * install.texi: Add notes on install.texi2html.
7586 (Building in parallel): Do not use footnotes.
7588 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7591 * doc/install.texi (Configuration): Document --disable-libgomp.
7593 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7595 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7597 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7599 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7600 (vec_extractv2df_0_sse): New.
7602 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7604 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7605 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7606 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7607 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7608 to the result of the expression.
7609 (def_cfa_1): Adjust.
7610 (frame_pointer_cfa_offset): Rename to...
7611 (frame_pointer_fb_offset): ... this. Adjust all uses.
7612 (convert_cfa_to_loc_list): Rename to...
7613 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7614 Pass it on to build_cfa_loc.
7615 (compute_frame_pointer_to_cfa_displacement): Rename to...
7616 (compute_frame_pointer_to_fb_displacement): ... this. New
7617 offset parameter. Use it in computation.
7618 (gen_subprogram_die): Compute cfa_fb_offset with the new
7619 macro, and use it to compute the fb loc list and the
7622 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7624 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7625 replaced with register_operand.
7626 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7627 non-DREG is expensive.
7628 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7629 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7632 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7634 * doc/install.texi2html: Use set -e.
7636 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7638 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7639 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7640 * doc/invoke.texi (-fshared-data): Delete.
7641 * common.opt (fshared-data): Delete.
7642 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7643 (assemble_static_space): Remove #if 0 code.
7644 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7645 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7646 * config/cris/cris.h: Remove FIXME.
7648 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7650 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7653 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7656 * combine.c (simplify_shift_const_1): Disable nested shifts
7657 optimization for vector shifts.
7659 2006-02-20 Roger Sayle <roger@eyesopen.com>
7661 PR tree-optimization/26361
7662 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7663 of unsigned integer types.
7665 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7667 * tree-chrec.c (eq_evolutions_p): New.
7668 * tree-chrec.h (eq_evolutions_p): Declared.
7669 * tree-data-ref.c: Fix formatting.
7670 (datadep_stats, dependence_stats): New.
7672 (print_direction_vector): New.
7673 (dump_data_dependence_relation): Use print_direction_vector.
7674 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7675 (compute_subscript_distance): Static.
7676 (initialize_data_dependence_relation): Static. Get the number
7677 of loops surrounding the references from the callers, and initialize
7678 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7679 base_object_differ_p analyzers.
7680 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7681 compute_overlap_steps_for_affine_1_2,
7682 analyze_subscript_affine_affine): Count the classified dependences.
7683 Print a message when a test failed.
7684 (can_use_analyze_subscript_affine_affine): New.
7685 (analyze_siv_subscript): Compute the data dependences on symbolic
7686 scevs that verify can_use_analyze_subscript_affine_affine.
7687 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7688 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7689 Handle symbolic scevs.
7690 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7692 (subscript_dependence_tester): Moved...
7693 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7694 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7695 DDR_SIZE_VECT instead of getting it in parameter.
7696 (subscript_dependence_tester): ... here. Take as a parameter
7697 loop_nest_depth. Call build_classic_dist_vector and
7698 build_classic_dir_vector.
7699 (compute_affine_dependence): Update subscript_dependence_tester
7700 parameters. Update datadep_stats counters. Call
7701 compute_subscript_distance.
7702 (compute_self_dependence): Save the dist and dir vectors. Call
7703 compute_subscript_distance.
7704 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7705 (compute_all_dependences): Reorder parameters as they were before
7706 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7707 compute_subscript_distance. Update the use of
7708 compute_affine_dependence and initialize_data_dependence_relation.
7709 (find_data_references_in_loop): Handle COMPONENT_REF.
7710 (compute_data_dependences_for_loop): Initialize dependence_stats.
7711 Don't call build_classic_dist_vector and build_classic_dir_vector.
7712 Update the parameters of initialize_data_dependence_relation and
7713 compute_all_dependences. Print the statistics from datadep_stats.
7714 (analyze_all_data_dependences): Static. Not used until the pass for
7715 checking the data dependences is contributed.
7716 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7717 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7718 (initialize_data_dependence_relation, compute_affine_dependence,
7719 analyze_all_data_dependences, compute_subscript_distance): Removed.
7720 (print_direction_vector): New.
7721 * lambda.h (gcd): ... here.
7722 (lambda_vector_gcd): Moved here from gcd_vector.
7723 * lambda-code.c (gcd, gcd_vector): Removed.
7724 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7725 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7727 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7729 * ipa-type-escape.c: Tidy some comments and white space.
7730 * tree-ssa-operands.c: Likewise.
7732 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7735 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7736 (dump_decl_name): Do not walk the decl tree chains.
7737 * tree-pass.h (TDF_CHAIN): Remove.
7739 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7741 * Makefile.in (C): Remove
7743 (.PHONY): Remove C and PROTO
7745 2006-02-20 Roger Sayle <roger@eyesopen.com>
7748 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7749 deprecated CHAR_TYPE tree code.
7751 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7753 * configure.ac (target_list): Add install-info, dvi, html.
7754 * configure: Regenerate.
7756 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7757 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7758 treelang/Make-lang.in: Do not use double-colon rules.
7760 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7762 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7763 (TMT_USED_ALONE): New macro.
7764 * tree-pass.h (PROP_tmt_usage): New property.
7765 (TODO_update_tmt_usage): New todo.
7766 * tree-ssa-alias.c (updating_used_alone): New variable.
7767 (recalculate_used_alone): New function.
7768 (compute_may_aliases): Set updating_used_alone, call
7769 recalculate_used_alone.
7770 * tree-sra.c (pass_sra): Note that this pass destroys
7771 PROP_tmt_usage, and add TODO_update_tmt_usage.
7772 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7773 * tree-flow.h (updating_used_alone): Prototype.
7774 (recalculate_used_alone): Ditto.
7775 * passes.c (execute_todo): Add code to set updating_used_alone,
7776 and call recalculate.
7777 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7778 for clobber if used alone, and add assert to verify used_alone
7781 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7783 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7784 for non tls symbols added.
7785 (legitimize_address): Do nothing for PLUS expressions if one of the
7786 addends is a tls symbol reference.
7788 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7792 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7794 * Makefile.in (BOOTSTRAPPING): New.
7795 (quickstrap): New definition if BOOTSTRAPPING=yes.
7797 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7798 * configure.ac: Substitute all_selected_languages with the languages
7799 that were configured. For all the other variables except
7800 lang_specs_files, include all the languages in the tree.
7801 * configure: Regenerate.
7803 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7804 if there is one. Run the commands to run fixincludes in the same
7807 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7808 * doc/install.texi: Document exact conventions for searching target tools.
7809 Document --with-build-time-tools. Document toplevel bootstrap. Document
7810 something more about building an Ada cross-compiler. Don't list GNU Make
7811 requirements which affect all platforms.
7813 2006-02-19 Roger Sayle <roger@eyesopen.com>
7816 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7817 only equivalent if the have both the same mode and precision.
7819 2006-02-20 Ben Elliston <bje@au.ibm.com>
7821 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7823 2006-02-19 Roger Sayle <roger@eyesopen.com>
7824 Steven Bosscher <stevenb.gcc@gmail.com>
7826 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7827 constant pool references to identify stack mode constants.
7828 * rtlanal.c (constant_pool_constant_p): New predicate to check
7829 whether operand is a floating point constant in the pool.
7830 * rtl.h (constant_pool_constant_p): Prototype here.
7831 * loop.c (scan_loop): Avoid hoisting constants from the constant
7832 pool on STACK_REGS targets.
7833 (load_mems): Likewise.
7834 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7835 loads into x87 registers expensive in terms of register pressure.
7837 2006-02-19 Roger Sayle <roger@eyesopen.com>
7839 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7840 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7842 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7844 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7845 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7847 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7849 * doc/invoke.texi: Document -fipa-pta.
7850 * common.opt: Add ipa-pta option.
7851 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7852 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7853 (do_ds_constraint): Ditto.
7854 (get_constraint_for): Only add to referenced_vars if
7855 referenced_vars exists.
7856 (insert_into_field_list): Rewrite to do this unsorted.
7857 (insert_into_field_list_sorted): Rename old insert_into_field_list
7859 (create_function_info_for): Use insert_into_field_list_sorted.
7860 (create_variable_info_for): Rewrite so it uses unsorted version,
7861 since the field list is sorted.
7862 (intra_create_variable_infos): Only add to referenced_vars if
7863 referenced_vars exists.
7864 (ipa_pta_execute): Init heapvars, and delete when done.
7865 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7867 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7869 * doc/install.texi: Add missing `@samp'.
7871 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7873 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7876 2006-02-18 Mark Wielaard <mark@klomp.org>
7878 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7879 who added new 4.1 features, bug fixes and integration support.
7881 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7884 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7887 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7889 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7890 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7891 (copy_insn_1): Likewise. Don't copy each field individually.
7893 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7895 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7896 * rtl.c (rtx_size): Rename variable to...
7897 (rtx_code_size): ...this.
7898 (rtx_size): New function.
7899 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7900 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7902 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7903 * rtl.h (rtx_code_size): New variable.
7904 (rtx_size): Change from a variable to a function.
7905 (RTX_SIZE): Rename to...
7906 (RTX_CODE_SIZE): ...this.
7909 PR tree-optimization/17106
7910 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7911 (Anchored Addresses): New section.
7912 * doc/invoke.texi (-fsection-anchors): Document.
7913 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7914 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7915 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7916 * hooks.c (hook_bool_mode_rtx_false): New function.
7917 * hooks.h (hook_bool_mode_rtx_false): Declare.
7918 * gengtype.c (create_optional_field): New function.
7919 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7920 SYMBOL_REF_IN_BLOCK_P is true.
7921 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7922 (min_anchor_offset, max_anchor_offset): Likewise.
7923 (use_anchors_for_symbol_p): New hook.
7924 * toplev.c (compile_file): Call output_object_blocks.
7925 (target_supports_section_anchors_p): New function.
7926 (process_options): Check that -fsection-anchors is only used on
7927 targets that support it and when -funit-at-a-time is in effect.
7928 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7929 if the decl doesn't have one.
7930 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7931 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7932 of force_const_mem through use_anchored_address.
7933 (expand_expr_constant): New function.
7934 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7935 calling expand_expr for INDIRECT_REF.
7936 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7937 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7938 * expr.h (use_anchored_address): Declare.
7939 * loop-unroll.c: Don't declare rtx vectors here.
7940 * explow.c: Include output.h.
7941 (validize_mem): Call use_anchored_address.
7942 (use_anchored_address): New function.
7943 * common.opt (-fsection-anchors): New switch.
7944 * varasm.c (object_block_htab, anchor_labelno): New variables.
7945 (hash_section, object_block_entry_eq, object_block_entry_hash)
7946 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7947 (use_blocks_for_decl_p, change_symbol_section): New functions.
7948 (get_variable_section): New function, split out from assemble_variable.
7949 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7950 use_blocks_for_decl_p say so. Use change_symbol_section if the
7951 symbol has already been created.
7952 (assemble_variable_contents): New function, split out from...
7953 (assemble_variable): ...here. Don't output any code for
7954 block symbols; just pass them to place_block_symbol.
7955 Use get_variable_section and assemble_variable_contents.
7956 (get_constant_alignment, get_constant_section, get_constant_size): New
7957 functions, split from output_constant_def_contents.
7958 (build_constant_desc): Create a block symbol if use_object_blocks_p
7959 says so. Or into SYMBOL_REF_FLAGS.
7960 (assemble_constant_contents): New function, split from...
7961 (output_constant_def_contents): ...here. Don't output any code
7962 for block symbols; just pass them to place_section_symbol.
7963 Use get_constant_section and get_constant_alignment.
7964 (force_const_mem): Create a block symbol if use_object_blocks_p and
7965 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7966 (output_constant_pool_1): Add an explicit alignment argument.
7967 Don't switch sections here.
7968 (output_constant_pool): Adjust call to output_constant_pool_1.
7969 Switch sections here instead. Don't output anything for block symbols;
7970 just pass them to place_block_symbol.
7971 (init_varasm_once): Initialize object_block_htab.
7972 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7973 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7974 (place_block_symbol, get_section_anchor, output_object_block)
7975 (output_object_block_htab, output_object_blocks): New functions.
7976 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7977 (TARGET_ASM_OUT): Include it.
7978 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7979 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7980 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7981 (TARGET_INITIALIZER): Include them.
7982 * rtl.c (rtl_check_failed_block_symbol): New function.
7983 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7984 (block_symbol, object_block): New structures.
7985 (rtx_def): Add a block_symbol field to the union.
7986 (BLOCK_SYMBOL_CHECK): New macro.
7987 (rtl_check_failed_block_symbol): Declare.
7988 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7989 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7990 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7991 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7992 * output.h (output_section_symbols): Declare.
7993 (object_block): Name structure.
7994 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7995 (default_use_anchors_for_symbol_p): Declare.
7996 * Makefile.in (RTL_BASE_H): Add vec.h.
7997 (explow.o): Depend on output.h.
7998 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7999 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8000 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8001 (rs6000_use_blocks_for_constant_p): New function.
8003 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8005 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8007 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8010 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8013 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8015 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8019 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8022 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8023 instead of DECL_REGISTER.
8025 2006-02-18 Olivier Hainque <hainque@adacore.com>
8028 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8030 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8033 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8034 * opth-gen.awk: Handle Var and InverseMask together.
8035 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8036 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8037 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8038 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8040 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8041 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8042 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8043 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8044 LINUX_DYNAMIC_LINKER): Define.
8045 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8046 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8048 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8049 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8050 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8051 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8052 (TARGET_C99_FUNCTIONS): Don't define.
8053 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8054 GLIBC_DYNAMIC_LINKER.
8055 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8056 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8057 GLIBC_DYNAMIC_LINKER64): Define.
8058 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8059 LINUX_DYNAMIC_LINKER64.
8060 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8062 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8064 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8066 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8067 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8068 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8070 and LINUX_DYNAMIC_LINKER32.
8071 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8073 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8075 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8077 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8078 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8079 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8080 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8081 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8082 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8083 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8084 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8085 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8086 LINUX_DYNAMIC_LINKER): Define.
8087 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8088 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8089 GLIBC_DYNAMIC_LINKER64): Define.
8090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8091 LINUX_DYNAMIC_LINKER64.
8092 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8093 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8094 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8095 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8096 LINUX_DYNAMIC_LINKER): Define.
8097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8098 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8099 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8100 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8101 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8102 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8103 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8104 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8105 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8106 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8108 * doc/invoke.texi (-muclibc): Remove caveat about supported
8111 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8113 * doc/cpp.texi (__TIMESTAMP__): Document.
8115 2006-02-17 Roger Sayle <roger@eyesopen.com>
8118 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8119 C is one less than the width of X (and related transformations).
8120 * simplify-rtx.c (simplify_unary_operation_1): Transform
8121 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8122 depending on STORE_FLAG_VALUE, were C is one less then the
8125 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8127 Fix PR tree-optimization/26341
8128 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8129 about NAME_MEMORY_TAG's.
8131 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8134 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8135 with hardware float support, and software float support. Add fcpy
8136 alternative to hardware patterns. Add alternatives to copy between
8137 general and floating-point registers to the 32-bit pattern.
8138 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8139 secondary reload to load a QI or HI mode constant into a floating
8141 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8142 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8144 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8147 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8149 (load_macho_picbase_di): Likewise.
8151 2006-02-16 Jeff Law <law@redhat.com>
8153 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8154 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8155 (ssa_name_nonzero_p): Likewise.
8156 (get_value_range): Return NULL if VRP is not running.
8157 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8158 VRP routines do not discover a range.
8159 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8160 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8161 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8162 (tree_expr_nonnegative_p): Similarly.
8163 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8164 (restore_nonzero_vars_to_original_value): Remove.
8165 (unsafe_associative_fp_binop): Remove.
8166 (tree_ssa_dominator_optimize): Remove initialization and
8167 finalization of nonzero_vars and nonzero_vars_stack.
8168 (dom_opt_initialize_block): No longer push marker on
8170 (dom_opt_finalize_block): No longer call
8171 restore_nonzero_vars_to_original_value.
8172 (record_equivalences_from_phis): No longer look for
8173 nonzero PHI arguments.
8174 (cprop_into_successor_phis): No longer propagate nonzero
8175 property into PHI arguments. Lose unused argument. Caller
8177 (record_equivalences_from_stmt): No longer record nonzero
8178 values for SSA_NAMEs.
8179 (lookup_avail_expr): No longer use nonzero_vars.
8181 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8182 for sizetype when sizetype is unsigned.
8184 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8186 PR rtl-optimization/25603
8187 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8188 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8189 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8190 with new meaning of SETS.
8192 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8197 * config/linux.opt: New file.
8198 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8199 LINUX_DYNAMIC_LINKER): Define.
8200 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8201 * config.gcc (*-*-linux*): Define extra_options.
8202 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8203 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8204 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8205 GLIBC_DYNAMIC_LINKER.
8206 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8207 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8208 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8210 * doc/invoke.texi (GNU/Linux Options): New section.
8212 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8214 * config/sparc/sparc.md (setjmp): Rewrite.
8215 (setjmp_32): Delete.
8216 (setjmp_64): Likewise.
8218 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8220 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8223 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8225 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8228 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8230 PR rtl-optimization/26296
8231 * Makefile.in (loop-invariant.c): Add except.h dependency.
8232 * loop-invariant.c: Include except.h.
8233 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8235 2005-02-16 Paul Brook <paul@codesourcery.com>
8237 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8240 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8242 PR rtl-optimization/25636
8243 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8244 when deciding whether an insn is an initializing insn.
8246 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8248 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8249 (tree_code_size): Ditto.
8250 * tree.h (struct tree_memory_tag): Remove parent_var.
8251 (struct tree_struct_field_tag): New.
8254 (union tree_node): Add sft member.
8255 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8257 (create_sft): Add size and offset argument, set SFT_OFFSET and
8259 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8260 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8261 * tree-flow-inline.h (get_subvar_at): Update for
8262 SFT_OFFSET/SFT_SIZE.
8263 (var_can_have_subvars): Ditto.
8264 (overlap_subvar): Ditto.
8265 * print-tree.c (print_node): Print out interesting things for
8267 * tree-flow.h (struct subvar): Remove offset and size members.
8268 * tree-ssa-operands.c (get_expr_operands): Update for
8269 get_indirect_ref_operands changes.
8270 (get_indirect_ref_operands): Call add_virtual_operand instead of
8271 add_stmt_operand. Only recurse on base var if requested.
8272 (access_can_touch_variable): New function.
8273 (add_stmt_operand): Split virtual operand handling into ...
8274 (add_virtual_operand): Here. Add offset, size, and for_clobber
8275 arguments. Prune alias sets.
8276 (add_call_clobber_ops): Call add_virtual_operand.
8278 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8281 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8283 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8284 than TREE_CODE as index into omp_clause_num_ops array.
8286 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8288 PR rtl-optimization/26184
8289 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8291 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8292 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8293 must_precede, must_follow and tobe_scheduled.
8296 * opts.c (common_handle_option): Free new_option pointer.
8297 * df-core.c (df_analyze): Free postorder pointer.
8299 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8301 * Makefile.in: Fix the examples about the use of stamps
8303 2006-02-15 Michael Matz <matz@suse.de>
8307 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8308 influenced by maximum_field_alignment or DECL_PACKED.
8309 (update_alignment_for_field): Ditto.
8310 (place_field): Ditto.
8311 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8314 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8316 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8317 (debug_flow_info): Pass it.
8318 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8319 * bb-reorder.c (reorder_basic_blocks): Likewise.
8320 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8321 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8322 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8323 * gcse.c (gcse_main, bypass_jumps): Likewise.
8324 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8325 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8326 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8327 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8328 * rtl.h (dump_flow_info): Adjust prototype.
8329 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8330 * var-tracking.c (variable_tracking_main): Likewise.
8331 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8332 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8335 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8337 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8340 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8342 PR tree-optimization/26209
8343 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8344 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8346 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8348 2006-02-14 Roger Sayle <roger@eyesopen.com>
8351 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8352 (X,Y) and the corresponding symmetry related transformations.
8353 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8354 (X,Y) and its symmetry related transformations.
8356 2006-02-14 Roger Sayle <roger@eyesopen.com>
8358 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8361 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8363 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8365 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8368 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8369 support COMDAT group.
8370 * configure: Regenerate.
8372 2006-02-14 Roger Sayle <roger@eyesopen.com>
8377 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8379 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8381 Fix PR tree-optimization/26260
8383 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8385 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8386 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8387 * tree-ssa-structalias.c (create_variable_info_for): Use
8388 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8390 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8392 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8394 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8395 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8396 of the ending condition.
8397 * tree-ssa-loop-manip.c: Include params.h.
8398 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8399 tree_unroll_loop): New functions.
8400 * tree-pass.h (pass_loop_prefetch): Declare.
8401 * loop.c (rest_of_handle_loop_optimize): Test for
8402 -fprefetch-loop-arrays-rtl.
8403 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8404 * timevar.def (TV_TREE_PREFETCH): New timevar.
8405 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8406 pass_loop_prefetch): New.
8407 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8408 (cleanup_tree_cfg_loop): Call scev_reset.
8409 * common.opt (fprefetch-loop-arrays-rtl): Add.
8410 * tree-ssa-loop-prefetch.c: New file.
8411 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8412 (new_temp_expr_table): Initialize expr_vars.
8413 (free_temp_expr_table): Cleanup expr_vars.
8414 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8415 expressions from being merged into one.
8416 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8417 (struct tree_niter_desc): Add control, bound and cmp fields.
8418 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8420 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8421 (tree-cfgcleanup.o): Add SCEV_H dependency.
8422 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8423 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8425 2006-02-14 Richard Guenther <rguenther@suse.de>
8427 PR tree-optimization/26258
8428 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8429 in PHI argument processing.
8431 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8433 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8434 new expression in the requested machine mode.
8436 2006-02-13 Roger Sayle <roger@eyesopen.com>
8438 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8439 directly, instead let do_compare_rtx_and_jump handle this for us.
8440 * expr.c (expand_expr_real_1): Likewise.
8441 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8442 before do_jump_by_parts_greater.
8443 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8444 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8446 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8448 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8450 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8452 PR rtl-optimization/26235
8453 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8454 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8457 2006-02-13 Jeff Law <law@redhat.com>
8459 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8462 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8465 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8466 twice if decl is a builtin. When trying again, call get_callee_fndecl
8467 first to verify it is still a builtin.
8469 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8471 * dwarf2out.c (base_type_die): Don't add AT_name here.
8472 (subrange_type_die): Don't add AT_name here.
8473 (modified_type_die): Rearrange code flow. Do add AT_name here.
8475 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8477 PR rtl-optimization/26247
8478 PR rtl-optimization/26248
8479 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8481 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8483 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8484 * config/fixtfdi.c: Likewise.
8485 * config/fixunstfdi.c: Likewise.
8486 * config/floatditf.c: Likewise.
8488 2006-02-13 Roger Sayle <roger@eyesopen.com>
8491 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8492 into (X,C2) if C1 is a subset of the bits of C2. Transform
8493 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8495 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8497 2006-02-13 Josh Conner <jconner@apple.com>
8500 * varasm.c (function_section): Check for section name before
8501 calling select_section on targets that define
8502 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8503 unlikely_text_section instead of hot_function_section if
8504 first_function_block_is_cold.
8506 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8509 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8511 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8513 PR rtl-optimization/26222
8514 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8515 after tree->rtl expansion.
8516 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8517 before passing it to emit_move_insn.
8519 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8521 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8523 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8524 Clarify documentation.
8525 * c-common.h (warn_write_strings): Remove.
8526 * c-common.c (warn_write_strings): Likewise.
8527 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8530 2006-02-12 Roger Sayle <roger@eyesopen.com>
8533 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8534 (do_jump_parts_zero_rtx): New function renamed from
8535 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8536 (do_jump_parts_equality_rtx): New function split out from
8537 do_jump_parts_equality. Old implementation renamed as above.
8538 Call do_jump_parts_zero_rtx if either operand is zero.
8539 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8540 do all of the heavy lifting.
8541 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8542 calling either do_jump_by_parts_greater_rtx or
8543 do_jump_by_parts_equality_rtx.
8544 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8545 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8546 moved to do_compare_rtx_and_jump, call it directly.
8547 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8548 mode argument. Call do_compare_rtx_and_jump.
8549 (emit_case_nodes): Update calls to do_jump_if_equal.
8551 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8553 PR rtl-optimization/26225
8554 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8556 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8558 PR rtl-optimization/26232
8559 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8561 2006-02-11 Jason Merrill <jason@redhat.com>
8564 * tree-inline.c (declare_return_variable): Just don't use the
8565 modify target if it's a gimple complex reg and the return slot
8568 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8570 * doc/contrib.texi: Update my entry.
8572 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8574 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8576 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8578 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8581 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8583 * doc/invoke.texi (-floop-optimize2): Removed.
8584 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8585 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8586 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8587 * common.opt (floop-optimize2): Removed.
8588 (fmove-loop-invariants): Enabled by default.
8590 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8592 * tree-if-conv.c (combine_blocks): Free the result of
8593 get_loop_exit_edges.
8595 2006-02-10 Jeff Law <law@redhat.com>
8597 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8599 PR tree-optimization/26213
8600 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8601 loop trying to follow SSA_NAME_VALUE chains.
8603 2006-02-10 Richard Guenther <rguenther@suse.de>
8605 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8606 deal with structures that end in implicitly variable sized arrays.
8608 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8610 PR rtl-optimization/24762
8611 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8614 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8616 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8617 (struct ivopts_data): Add regs_used field.
8618 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8619 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8620 instead of loop_data->regs_used;
8621 (free_loop_data): Do not free aux fields for loops.
8622 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8623 and tree_ssa_iv_optimize_finalize.
8625 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8627 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8629 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8632 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8633 computing the effective result type.
8635 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8638 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8639 (tree_overlaps_hard_reg_set): Declare.
8640 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8641 type and signature to match function type expected by walk_tree.
8642 (tree_overlaps_hard_reg_set): New function.
8643 (decl_conflicts_with_clobbers_p): Rename to:
8644 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8645 Use tree_overlaps_hard_reg_set. Changed caller.
8646 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8647 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8648 * cris.c (cris_md_asm_clobbers): Likewise.
8650 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8652 * reload1.c (emit_input_reload_insns): Delete code that tries to
8653 inherit using find_equiv_reg.
8655 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8657 * c-common.h (flag_const_strings): Don't declare.
8658 * c-common.c (flag_const_strings): Remove.
8659 * c.opt (fconst_strings): Remove.
8660 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8661 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8662 (c_common_init_options): Don't set flag_const_strings.
8663 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8665 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8667 * arm.md (tlobits_cbranch): New pattern.
8668 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8669 testing a single bit.
8671 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8674 * tree-ssa-pre.c (create_component_ref_by_pieces):
8675 Handle RETURN_DECL like VAR_DECL.
8677 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8680 * fold-const.c (fold_indirect_ref_1): Fold
8681 "*(foo *)&complexfoo" to "__real__ complexfoo"
8682 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8684 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8686 * tree-flow-inline.h (var_can_have_subvars):
8687 Volatile variables should not have subvariables.
8689 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8692 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8693 multiplying unsigned values.
8696 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8698 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8700 2006-02-08 Jason Merrill <jason@redhat.com>
8703 * tree.def: Elaborate on difference from MODIFY_EXPR.
8704 * doc/c-tree.texi (INIT_EXPR): Likewise.
8705 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8706 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8707 (gimplify_target_expr): Likewise.
8708 (gimplify_cond_expr): Remove target handling.
8709 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8710 (gimplify_expr): Clobber it here.
8711 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8712 Do return slot optimization if we have an INIT_EXPR.
8715 * tree-inline.c (declare_return_variable): Also clear
8716 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8719 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8722 * gimplify.c (gimplify_one_sizepos): Fix typo.
8724 2006-02-08 Jeff Law <law@redhat.com>
8726 PR tree-optimization/21417
8727 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8728 across a backedge if the control statement at the end of the
8729 block is data dependent on other statements in the same block.
8730 (record_temporary_equivalences_from_stmts): Remove over-conservative
8731 test for threading across backedges.
8733 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8734 control statement, handle all three special cases in the same
8735 manner as they all have the same desired solution. No longer
8736 special case edge flag updating when the post dominator is
8739 2006-02-08 Roger Sayle <roger@eyesopen.com>
8741 * tree.def (CHAR_TYPE): Remove.
8742 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8743 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8744 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8745 (gen_string_type_die): Delete unreachable function.
8747 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8748 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8749 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8750 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8751 * builtins.c (type_to_class): Likewise.
8752 * fold-const.c (fold_convert, build_range_check,
8753 merge_ranges): Likewise.
8754 * expr.c (count_type_elements): Likewise.
8755 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8756 * stor-layout.c (layout_type): Likewise.
8757 * ipa-type-escape.c (type_to_consider): Likewise.
8758 * gimplify.c (omp_firstprivatize_type_sizes,
8759 gimplify_type_sizes): Likewise.
8760 * explow.c (promote_mode): Likewise.
8761 * tree-sra.c (is_sra_scalar_type): Likewise.
8762 * varasm.c (output_constant): Likewise.
8763 * tree-inline.c (remap_type_1): Likewise.
8764 * convert.c (convert_to_pointer, convert_to_real,
8765 convert_to_integer, convert_to_complex): Likewise.
8767 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8769 * df-scan.c (df_def_record_1): A set destination may
8770 be a parallel regardless of mode.
8772 2006-02-08 Roger Sayle <roger@eyesopen.com>
8775 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8776 * config/mips/_tilib.c: Remove.
8777 * config/fixtfdi.c: New libgcc source file.
8778 * config/fixunstfdi.c: New source file.
8779 * config/floatditf.c: New source file.
8780 * config/floatunditf.c: New souce file.
8781 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8782 files above instead of config/mips/_tilib.c.
8783 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8785 2006-02-08 Jeff Law <law@redhat.com>
8787 PR tree-optimization/26169
8788 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8791 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8793 * df.h (DF_REG_SIZE): Return the length of the initialized
8796 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8798 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8799 __muldf3): Return a correctly signed zero.
8801 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8803 * passes.c (register_one_dump_file): Accept the current properties
8804 instead of pass number. Adjust call to dump_register. Remove
8806 (register_dump_files): Now a wrapper around...
8807 (register_dump_files_1): ... this one. Do not modify the pass
8809 (next_pass_1): Cosmetic fix.
8810 (execute_todo): Keep second parameter only. Use curr_properties
8811 instead of fetching it from the pass structure. Check and set
8813 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8814 instead of fetching it from the pass structure. Fix calls to
8815 execute_todo. Update curr_properties and initialize .vcg RTL dump
8816 after running the pass. Reset last_verified.
8817 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8819 (FIRST_AUTO_NUMBERED_DUMP): New.
8820 (dump_register): Remove "num" parameter, assign it within the
8822 (get_dump_file_name): Modify template for dumps.
8823 * tree-dump.h (dump_register): Adjust prototype.
8824 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8825 (PROP_trees): Add PROP_gimple_lomp.
8826 (TODO_set_props): New.
8827 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8828 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8829 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8831 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8833 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8834 (sparc64-*-linux*): Likewise.
8835 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8836 * config/sparc/t-linux: New file.
8837 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8838 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8839 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8840 -m32 -mlong-double-128.
8842 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8843 * config/alpha/t-linux: New file.
8844 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8846 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8847 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8848 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8849 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8850 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8851 (CPP_ARCH32_SPEC): Remove.
8853 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8855 PR tree-optimization/26145
8856 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8859 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8862 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8863 >= 240000 when generating code for SOM runtime.
8864 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8865 to $$dyncall when generating code for SOM runtime..
8867 2006-02-07 Dirk Mueller <dmueller@suse.com>
8870 * doc/invoke.texi (-Wsequence-point): Update documentation
8871 that -Wsequence-point is implemented for C++ as well.
8873 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8875 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8876 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8877 (LIB_SPEC): Likewise.
8878 * doc/invoke.texi (SPARC options): Document -pthread.
8880 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8882 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8885 2006-02-07 Roger Sayle <roger@eyesopen.com>
8887 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8888 Correct comment describing BOOLEAN_TYPE.
8890 2006-02-07 Dirk Mueller <dmueller@suse.com>
8892 * c.opt: C++ frontend supports -Wdiv-by-zero.
8893 * c-opts.c (c_common_handle_option): Remove dead case.
8895 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8897 * configure.ac (TLS assembler check): Do not enable TLS by
8898 default on SPARC/Solaris before version 10.
8899 * configure: Regenerate.
8901 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8903 * doc/invoke.texi (xl-compat): Document conversion and support
8906 2006-02-07 Jeff Law <law@redhat.com>
8908 * tree-vrp.c (find_conditional_asserts): Update comments.
8909 (simplify_stmt_for_jump_threading): New.
8910 (identify_jump_threads, finalize_jump_threads): New.
8911 (vrp_finalize): Call identify_jump_threads.
8912 (execute_vrp): Call finalize_jump_threads.
8913 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8914 (vrp_element, vrp_data, vrp_element_p): Remove.
8915 (vrp_hash_elt, vrp_variables_stack): Remove.
8916 (vrp_hash, vrp_eq, record_range): Remove.
8917 (simplify_cond_and_lookup_avail_expr): Remove.
8918 (extract_range_from_cond): Remove.
8919 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8920 (simplify_stmt_for_jump_threading): New.
8921 (dom_thread_across_edge): New wrapper.
8922 (tree_ssa_dominator_optimize): No longer initialize or
8923 finalize any of the VRP datastructures. Remove iteration
8924 step and simplify as a result of removal of iteration step.
8925 (pass_dominator): Perform a cfg cleanup after DOM.
8926 (dom_opt_finalize_block): Use the new common routines
8927 for threading jumps. Simplify stack management slightly.
8928 No longer need to unwind VRP state.
8929 (record_equivalences_from_incoming_edge): No longer record
8931 (eliminate_redundant_computations): No longer call
8932 simplify_cond_and_lookup_avail_expr.
8933 * tree-flow.h (potentially_threadable_block): Prototype.
8934 (thread_across_edge): Likewise.
8935 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8936 (tree-ssa-threadedge.o): Add dependencies.
8937 * tree-ssa-threadedge.c: New file.
8938 * passes.c (init_optimization_passes): Merge PHIs before
8939 calling VRP. Run VRP again late in the SSA optimization pipeline.
8941 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8943 * df-core.c (df_set_blocks): Do not dereference function pointers.
8944 (df_finish1): Likewise.
8945 (df_hybrid_search_forward): Likewise.
8946 (df_hybrid_search_backward): Likewise.
8947 (df_iterative_dataflow): Likewise.
8948 (df_analyze_problem): Likewise.
8949 (df_compact_blocks): Likewise.
8950 (df_dump): Likewise.
8951 * df-scan.c (df_rescan_blocks): Likewise.
8952 (df_record_entry_block_defs): Likewise.
8954 * genconditions.c (write_conditions): Guard the definition of
8955 'insn_conditions' with the check on GCC version.
8956 (write_writer): Guard the traversal 'insn_conditions' with
8957 the check on GCC version.
8959 2006-02-07 Richard Guenther <rguenther@suse.de>
8963 2006-01-30 Richard Guenther <rguenther@suse.de>
8965 * gimplify.c (gimplify_target_expr): Handle easy cases
8966 without creating a temporary.
8968 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8970 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8971 use of float in probability computations. Use edge probabilities
8972 in place of statically computed probabilities.
8973 (min_spec_prob): New static variable.
8974 (schedule_insns): Initialize it.
8975 (GET_SRC_PROB): Removed.
8976 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8978 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8981 * config/ia64/unwind-ia64.c: Revert last change.
8982 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8983 (INCOMING_FRAME_SP_OFFSET): Define.
8985 2006-02-06 Roger Sayle <roger@eyesopen.com>
8987 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8989 2006-02-07 Ben Elliston <bje@au.ibm.com>
8991 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8992 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8993 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8994 (ix86_return_in_memory): Handle TDmode.
8995 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8996 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8998 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9000 * reorg.c (dbr_schedule): Use dump_file instead of file.
9002 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9005 * config/ia64/predicates.md (extr_len_operand): New predicate.
9006 * config/ia64/ia64.md (extv): Tighten constraints.
9008 (*tbit_and_2): Ditto.
9009 (*tbit_and_3): Ditto.
9010 (*tbit_or_2): Ditto.
9011 (*tbit_or_3): Ditto.
9015 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9018 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9020 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9022 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9023 loop_optimizer_init and loop_optimizer_finalize
9024 * tree-ssa-sink.c (execute_sink_code): Ditto.
9025 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9026 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9027 tree_ssa_loop_done): Ditto.
9028 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9029 * sched-ebb.c: Include output.h.
9030 (schedule_ebbs): Do not use dump argument.
9031 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9032 * loop.c (loop_dump_stream): Removed.
9033 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9035 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9036 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9037 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9038 loop_iterations, strength_reduce, record_biv, record_giv,
9039 final_giv_value, check_final_value, check_ext_dependent_givs,
9040 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9041 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9042 dump_file instead of loop_dump_stream.
9043 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9045 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9047 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9048 * haifa-sched.c: Include output.h
9049 (schedule_insns, sched_init): Do not use dump argument.
9050 * mode-switching.c (optimize_mode_switching): Ditto.
9051 * modulo-sched.c (stats_file): Removed.
9052 (print_node_sched_params): Do not call argument dump_file.
9053 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9054 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9056 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9058 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9059 rtl_loop_init, rtl_loop_done): Ditto.
9060 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9061 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9063 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9064 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9065 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9066 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9067 * emit-rtl.c (renumber_insns): Ditto.
9068 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9069 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9070 * regclass.c (regclass): Ditto.
9071 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9072 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9073 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9074 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9076 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9077 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9079 * gcse.c (gcse_file, debug_stderr): Removed.
9080 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9081 rest_of_handle_gcse): Do not use dump argument.
9082 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9083 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9084 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9085 compute_code_hoist_vbeinout, compute_code_hoist_data,
9086 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9087 compute_store_table, build_store_vectors, insert_insn_start_bb,
9088 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9089 store_motion): Use dump_file instead of gcse_file.
9090 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9091 * profile.c (profile_dump_file): Removed.
9092 (branch_prob): Use dump_file instead of profile_dump_file.
9093 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9095 * tree-ssa-copy.c (dump_copy_of): Ditto.
9096 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9097 dump file to life_analysis.
9098 * bt-load.c (branch_target_load_optimize): Ditto.
9099 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9101 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9102 regclass, dbr_schedule): Declaration changed.
9103 * sched-int.h (sched_init): Declaration changed.
9104 * tree-profile.c (tree_profile_dump_file): Removed.
9105 (tree_profile_hooks): Removed profile_dump_file hook.
9106 * rtl-profile (rtl_profile_dump_file): Removed.
9107 (rtl_profile_hooks): emoved profile_dump_file hook.
9108 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9110 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9111 * tree-cfg.c (build_tree_cfg): Ditto.
9112 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9113 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9114 Declaration changed.
9115 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9116 life_analysis and schedule_insns.
9117 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9119 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9121 * config/mips/mips.c (mips_reorg): Ditto.
9122 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9125 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9127 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9128 (s390_mangle_fundamental_type): New.
9129 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9132 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9133 (alpha_mangle_fundamental_type): New.
9134 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9137 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9139 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9141 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9142 (sparc_mangle_fundamental_type): New.
9144 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9146 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9147 (s390x-*-linux*): Likewise.
9148 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9149 * config/s390/t-linux: New file.
9151 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9153 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9154 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9156 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9158 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9159 (ANTIC_SAFE_LOADS): New macro.
9160 (find_or_generate_expression): Add prototype.
9161 (set_contains_value): Allow null set for sake of not always having
9162 to allocate ANTIC_SAFE_LOADS.
9163 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9164 Allow COMPONENT_REF too.
9165 (valid_in_set): Allow COMPONENT_REF.
9166 Check ANTIC_SAFE_LOADS too.
9167 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9168 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9170 (can_PRE_operation): Add COMPONENT_REF.
9171 (create_component_ref_by_pieces): New function.
9172 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9173 (insert_aux): Move AGGREGATE_TYPE_P check here.
9174 (compute_avail): Set bb local stmt uids.
9175 (pass_pre): Use TODO_update_ssa_only_virtuals.
9177 2006-02-06 Ben Elliston <bje@au.ibm.com>
9179 * configure.ac: Unconditionally disable decimal float by default.
9180 * configure: Regenerate.
9182 2006-02-06 Ben Elliston <bje@au.ibm.com>
9184 * read-rtl.c (read_name): Terminate reading on EOF.
9186 2006-02-06 Ben Elliston <bje@au.ibm.com>
9188 * dfp.c (decimal_real_arithmetic): Change second argument type
9189 from int to enum tree_code. Do not always return true, but now
9190 return result of any call to decimal_do helper functions.
9191 * dfp.h (decimal_real_arithmetic): Update prototype.
9193 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9195 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9197 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9200 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9203 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9205 * tree-vrp.c (cfg_loops): Removed.
9206 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9207 Use current_loops instead of cfg_loops. Pass flags to
9208 loop_optimizer_init.
9209 * cfgloopmanip.c (fix_loop_structure): Update only available
9211 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9212 loop_optimizer_init.
9213 * modulo-sched.c (build_loops_structure): Removed.
9214 (sms_schedule): Use loop_optimizer_init.
9215 * loop-init.c (loop_optimizer_init): Use flags to determine
9216 which properties of loops to prepare.
9217 (rtl_loop_init): Pass flags to loop_optimizer_init.
9218 * tree-ssa-sink.c (execute_sink_code): Ditto.
9219 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9220 * tree-ssa-pre.c (init_pre): Ditto.
9221 * cfgloop.h (LOOPS_NORMAL): New.
9222 (loop_optimizer_init): Declaration changed.
9224 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9226 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9227 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9229 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9231 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9233 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9234 * pa/t-pa64: Delete quadlib.c rule.
9235 * pa/x-ada: Revert last change.
9236 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9238 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9240 PR rtl-optimization/26087
9241 * rtlanal.c (canonicalize_condition): Do not cross basic block
9244 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9247 * config/ia64/ia64.c: Include debug.h.
9248 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9249 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9250 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9251 (process_epilogue, process_set, process_for_unwind_directive):
9252 Output unwind info only if requested. Add CFA info if requested.
9253 Add new arguments as needed. Adjust callers.
9254 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9256 (DWARF2_FRAME_INFO): Define to zero.
9257 * config/ia64/unwind-ia64.c: Remove code that compensated for
9258 the CFA offset error fixed above.
9259 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9260 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9261 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9262 -funwind-tables and -fexceptions to enable frame info.
9263 (dwarf2out_frame_init): Define initial CFA even if
9264 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9265 DWARF2_UNWIND_INFO is nonzero, not just defined.
9266 (dwarf2out_frame_finish): Output non-EH call frame info only
9267 if DWARF2_FRAME_INFO is nonzero.
9268 (convert_cfa_to_loc_list,
9269 compute_frame_pointer_to_cfa_displacement): Define even if
9270 unwind info is not supported.
9271 (gen_subprogram_die): Use the above unconditionally. Remove
9272 legacy alternate code.
9273 * toplev.c (compile_file): Compile in call to
9274 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9275 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9277 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9278 Jakub Jelinek <jakub@redhat.com>
9280 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9281 IBM extended float format long double as "g" on powerpc*-linux.
9283 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9286 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9287 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9289 2006-02-03 Jason Merrill <jason@redhat.com>
9292 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9295 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9296 on the return slot if it's an NRV.
9298 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9300 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9301 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9302 rewrite_use): Do not handle USE_OUTER.
9303 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9304 add_iv_outer_candidates, may_replace_final_value,
9305 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9306 (find_interesting_uses_op): Functionality of
9307 find_interesting_uses_outer_or_nonlin moved here.
9308 (find_interesting_uses_outside): Use find_interesting_uses_op.
9310 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9313 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9315 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9316 Ulrich Weigand <uweigand@de.ibm.com>
9319 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9320 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9321 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9322 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9324 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9325 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9326 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9327 Define secondary reloads for TFmode moves.
9328 (constant_modes): Add TFmode.
9329 (NR_C_MODES): Set to 8.
9330 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9332 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9333 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9334 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9335 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9336 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9337 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9338 (FPR mode macro): Add TFmode.
9339 (DSF mode macro): New.
9340 (<de>, <dee> mode attributes): Removed.
9341 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9342 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9343 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9344 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9345 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9346 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9347 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9348 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9349 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9350 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9351 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9352 "*negabs<mode>2", "sqrt<mode>2"):
9353 Changed <de> to <xde>. R constraint replaced by <Rf>.
9354 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9356 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9357 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9358 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9360 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9361 "extenddftf2", "extendsftf2"): New expanders.
9362 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9363 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9364 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9365 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9367 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9368 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9369 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9370 __floatditf): Add a GCC_4.1.0 symbol version tag.
9371 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9374 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9377 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9378 Use targetm.binds_local_p instead of TREE_PUBLIC.
9380 2006-02-02 Roger Sayle <roger@eyesopen.com>
9382 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9383 on INTEGER_TYPEs to indicate that it denotes a character type.
9384 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9385 signed_char_type_node, unsigned_char_type_node and char_type_node.
9386 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9387 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9388 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9390 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9391 Daniel Berlin <dberlin@dberlin.org>
9393 * tree-tailcall.c (arg_needs_copy_p): New function.
9394 (eliminate_tail_call): Use arg_needs_copy_p.
9395 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9396 (add_virtual_phis): New function.
9398 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9400 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9401 #ignore instead of #scratch for %g7 .register directive.
9403 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9405 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9408 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9410 * flow.c (calculate_global_regs_live): Assert that there aren't any
9413 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9415 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9417 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9418 bsi_after_labels iterator.
9419 * tree-if-conv.c (find_phi_replacement_condition,
9420 replace_phi_with_cond_modify_expr): Likewise.
9421 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9422 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9424 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9426 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9428 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9431 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9432 array after growing it.
9434 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9437 * fold-const.c (fold_checksum_tree): Change type of buf.
9439 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9441 * reload.c (push_secondary_reload): Initialize t_icode.
9443 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9445 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9446 -msoft-float -mlong-double-128 only issue a warning, but don't
9447 swich to DFmode long double.
9449 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9451 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9452 has a constant equivalent, iterate over equivalents for arg0,
9453 calling simplify_relational_operation and if there's a result
9454 cheaper than X, apply fold_rtx and return the result.
9456 2006-02-01 Jan Hubicka <jh@suse.cz>
9458 * opts.c (no_unit_at_a_time_default): New global variable.
9459 (decode_options): Use it.
9460 * opts.h (no_unit_at_a_time_default): Declare.
9462 2006-02-01 Paul Brook <paul@codesourcery.com>
9464 * function.c (assign_parm_setup_reg): Use function argument promotion
9466 * expr.c (expand_expr_real_1): Use function argument promotion rules
9469 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9471 * gcc.c (process_command): Change j to 'unsigned int'.
9473 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9476 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9477 Use the corrected index for the character
9478 out of the string constant.
9480 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9482 * mode-switching.c (optimize_mode_switching): Fix size
9483 allocated for bb_info[n_entities].
9485 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9487 * gcc.c (main): Correct type that is allocated for
9488 explicit_link_files.
9490 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9492 * config/s390/s390.c (init_alignment_context): Set
9493 ALIAS_SET_MEMORY_BARRIER on the MEM.
9494 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9496 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9499 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9501 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9504 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9506 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9507 * regrename.c: Ditto.
9508 * tree-ssa-loop-im.c: Ditto.
9509 * tree-dump.c: Ditto.
9510 * tree-complex.c: Ditto.
9511 * genrecog.c: Ditto.
9512 * tree-ssa-threadupdate.c: Ditto.
9514 * java/class.c: Ditto.
9515 * java/jcf-parse.c: Ditto.
9516 * java/resource.c: Ditto.
9517 * java/except.c: Ditto.
9518 * java/jvspec.c: Ditto.
9519 * java/jcf-write.c: Ditto.
9520 * java/jcf-path.c: Ditto.
9521 * java/gjavah.c: Ditto.
9522 * java/zextract.c: Ditto.
9523 * java/jcf-io.c: Ditto.
9524 * java/jcf.h: Ditto.
9525 * java/buffer.c: Ditto.
9526 * java/lang.c: Ditto.
9527 * java/parse-scan.y: Ditto.
9528 * java/lex.c: Ditto.
9529 * java/lex.h: Ditto.
9530 * cfgloopmanip.c: Ditto.
9531 * postreload-gcse.c: Ditto.
9532 * tree-ssa-loop-manip.c: Ditto.
9533 * postreload.c: Ditto.
9534 * tree-ssa-loop-ch.c: Ditto.
9538 * diagnostic.c: Ditto.
9540 * genoutput.c: Ditto.
9542 * cfghooks.c: Ditto.
9543 * cfgloopanal.c: Ditto.
9544 * objc/objc-act.c: Ditto.
9546 * genextract.c: Ditto.
9547 * genautomata.c: Ditto.
9548 * pretty-print.c: Ditto.
9550 * cgraphunit.c: Ditto.
9553 * haifa-sched.c: Ditto.
9554 * dominance.c: Ditto.
9556 * tree-ssa-loop-ivopts.c: Ditto.
9558 * mode-switching.c: Ditto.
9559 * modulo-sched.c: Ditto.
9561 * ipa-pure-const.c: Ditto.
9563 * fix-header.c: Ditto.
9565 * tree-stdarg.c: Ditto.
9566 * ipa-utils.c: Ditto.
9567 * loop-init.c: Ditto.
9568 * ipa-inline.c: Ditto.
9571 * alloc-pool.c: Ditto.
9572 * dwarf2out.c: Ditto.
9574 * genattrtab.c: Ditto.
9575 * tree-ssa-loop-ivcanon.c: Ditto.
9579 * fortran/gfortranspec.c: Ditto.
9581 * local-alloc.c: Ditto.
9582 * langhooks.c: Ditto.
9583 * function.c: Ditto.
9584 * tree-vectorizer.c: Ditto.
9586 * ipa-type-escape.c: Ditto.
9588 * tree-if-conv.c: Ditto.
9591 * tree-data-ref.c: Ditto.
9592 * loop-unroll.c: Ditto.
9593 * treelang/treetree.c: Ditto.
9596 * ggc-common.c: Ditto.
9598 * coverage.c: Ditto.
9600 * tree-cfgcleanup.c: Ditto.
9601 * tree-ssa-pre.c: Ditto.
9602 * cfgcleanup.c: Ditto.
9603 * loop-invariant.c: Ditto.
9605 * ipa-prop.c: Ditto.
9606 * print-tree.c: Ditto.
9607 * conflict.c: Ditto.
9608 * ggc-page.c: Ditto.
9609 * sched-deps.c: Ditto.
9610 * regclass.c: Ditto.
9611 * tree-object-size.c: Ditto.
9613 * bb-reorder.c: Ditto.
9614 * resource.c: Ditto.
9615 * var-tracking.c: Ditto.
9617 * df-problems.c: Ditto.
9618 * reg-stack.c: Ditto.
9621 * sched-rgn.c: Ditto.
9622 * tree-ssa-structalias.c: Ditto.
9623 * tree-ssa-reassoc.c: Ditto.
9624 * config/darwin-c.c: Ditto.
9625 * config/darwin.c: Ditto.
9626 * config/arm/arm.c: Ditto.
9628 * collect2.c: Ditto.
9631 2006-01-31 Nicolas Pitre <nico@cam.org>
9633 * arm.md (smaxsi3): Make aware of smax_m1.
9636 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9638 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9640 2006-01-31 Richard Guenther <rguenther@suse.de>
9642 * doc/invoke.texi (-msselibm): Document.
9643 * target.h (expand_library_builtin): New target hook.
9644 * builtins.c (expand_builtin): Use expand_library_builtin.
9645 (default_expand_library_builtin): New function.
9646 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9647 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9648 (link_gcc_math_spec): Declare.
9649 (static_specs): Add link_gcc_math_spec.
9650 * expr.h (default_expand_library_builtin): Declare.
9651 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9652 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9653 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9654 * config/i386/i386.opt (msselibm): New target option.
9655 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9656 (ix86_init_sse_abi_builtins): New function.
9657 (ix86_expand_library_builtin): Likewise.
9658 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9659 (override_options): Handle error conditions wrt -msselibm.
9660 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9661 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9662 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9665 2006-01-31 Richard Guenther <rguenther@suse.de>
9666 Paolo Bonzini <bonzini@gnu.org>
9668 * doc/install.texi (--disable-libgcc-math): Document.
9670 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9672 * expr.h (expand_normal): new inline function.
9673 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9675 * dwarf2out.c: use it.
9680 * config/sparc/sparc.c: use it.
9681 * config/i386/i386.c: use it.
9682 * config/rs6000/rs6000.c: use it.
9683 * config/arm/arm.c: use it.
9684 * config/mips/mips.c: use it.
9685 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9687 2006-01-30 Roger Sayle <roger@eyesopen.com>
9689 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9690 argv to the appropriate type.
9692 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9694 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9697 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9700 * config/s390/s390.c (struct machine_function): New flag
9701 decomposed_literal_pool_addresses_ok_p.
9702 (s390_reorg): Set it before final stage of literal pool transforms.
9703 (s390_decompose_address): Only accept displacements of the form
9704 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9706 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9708 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9709 the comparison routine return.
9711 2006-01-30 Michael Matz <matz@suse.de>
9713 * global.c (find_reg): Only evict for global regs.
9714 Take n_refs into account and dump more info.
9716 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9719 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9720 (pragma_trap, pragma_nosave_low_regs): Likewise.
9721 (current_function_anonymous_args): Likewise.
9722 (sh_deferred_function_attributes): New variable.
9723 (sh_deferred_function_attributes_tail): Likewise.
9724 (print_operand): For '@', look up trap_exit attribute.
9725 (calc_live_regs): Look up trapa_handler attribute. For trapa
9726 handlers, save/restore fpscr, but don't do any other
9727 interrupt-specific saves.
9728 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9729 Fix check for partially saved registers to check for SHmedia.
9730 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9731 (sh_output_function_epilogue): Don't clear any of the removed
9733 (sh_insert_attributes): Don't check pragma_interrupt.
9734 Insert deferred attributes. Check that interrupt attribute is
9735 present for other attributes that require its presence.
9736 (sh_attribute_table): Add new attributes trapa_handler and
9738 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9739 Don't check for pragma_interrupt. Don't store argument.
9740 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9741 (sh_deferred_function_attributes): Declare.
9742 (sh_deferred_function_attributes_tail): Likewise.
9743 * sh.md (sp_switch_1): Add operand. Change generator caller.
9744 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9745 (*return_i): Don't use when trap_exit attribute is in effect.
9746 (*return_trapa): New insn pattern.
9748 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9749 setting c_target_objs and cxx_target_objs.
9750 * t-sh: Add rule for sh-c.o.
9752 2006-01-30 Richard Guenther <rguenther@suse.de>
9755 * gimplify.c (gimplify_target_expr): Handle easy cases
9756 without creating a temporary.
9758 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9760 * vec.h (safe_grow): Remove duplicated line.
9762 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9765 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9766 (expand_omp): ... here.
9767 (expand_omp_parallel): Only remove barriers for combined
9768 parallel+workshare constructs.
9770 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9774 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9775 * tree.c (build_qualified_type): Chain the new type to the original
9776 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9777 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9778 (build_pointer_type_for_mode): Only return unqualified types.
9779 (build_reference_type_for_mode): Likewise.
9781 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9783 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9784 * Makefile.in (CXX_COMPAT_WARN): Define.
9785 * configure: Regenerate.
9787 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9790 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9793 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9795 * toplev.c: Fix thinko.
9797 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9798 Marcin Dalecki <martin@dalecki.de>
9800 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9801 (push_srcloc): Use XNEW.
9802 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9804 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9806 * df-core.c (df_set_blocks): Deleted all variable.
9808 2006-01-28 Ian Lance Taylor <ian@airs.com>
9810 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9811 cgraph_output_pending_asms.
9813 2006-01-28 Zack Weinberg <zackw@panix.com>
9815 * c.opt: Add -W(no-)overlength-strings.
9816 * doc/invoke.texi: Document it.
9817 * c-opts.c (c_common_handle_option): -pedantic implies
9818 -Woverlength-strings, if not explicitly disabled already.
9819 (c_common_post_options): -Woverlength-strings defaults to off, and
9820 is always off for C++.
9821 * c-common.c (fix_string_type): Issue warning about strings longer
9822 than is portable only if warn_overlength_strings. Rearrange code
9823 a little for clarity.
9824 * configure.in: Check for -Wno-overlength-strings as well before
9825 enabling -pedantic in stage 1.
9826 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9827 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9829 * genconditions.c (write_header, write_one_condition)
9830 (write_conditions, write_writer): Consolidate very long strings
9831 that were broken up to fit in C89 portable limit. Don't use
9832 printf when fputs will do.
9834 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9836 * combine.c (simplify_comparison <AND>): Check
9837 TRULY_NOOP_TRUNCATION before start using a subreg.
9839 * config/mips/mips.md (*branch_zero<mode>,
9840 *branch_zero<mode>_inverted, *branch_equality<mode>,
9841 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9842 Remove mode check from comparisons.
9844 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9846 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9848 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9850 * expmed.c (const_mult_add_overflow_p): Remove.
9851 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9853 * recog.c (validate_replace_rtx_subexp): Remove.
9854 * recog.h: Remove the prototype for
9855 validate_replace_rtx_subexp.
9857 * integrate.h: Remove the prototype for
9858 copy_decl_for_inlining.
9859 * rtl.h: Remove the prototype for mark_constant_function.
9860 * tree-vectorizer.h: Remove the prototype for
9861 vect_strip_conversion.
9863 * modulo-sched.c (create_partial_schedule,
9864 free_partial_schedule, reset_partial_schedule): Make them
9867 * hooks.c (hook_bool_rtx_int_false): Remove.
9868 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9870 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9872 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9873 and -mlong-double-128 are incompatible.
9874 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9875 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9876 (TARGET_LIBGCC2_CFLAGS): Define.
9877 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9878 (TARGET_LIBGCC2_CFLAGS): Same.
9879 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9881 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9884 * c-typeck.c (build_binary_op): Perform implicit casts of
9885 operands before shortening them.
9887 * cfgloopmanip.c (split_loop_bb): Remove.
9888 * cfgloop.h: Remove the prototype for split_loop_bb.
9890 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9891 * cfgloop.h: Remove the prototype for
9892 flow_loop_outside_edge_p.
9894 * emit-rtl.c (init_virtual_regs): Make it static.
9895 * function.h: Remove the prototype for init_virtual_regs.
9897 * recog.c (peephole2_optimize): Make it static.
9898 * recog.h: Remove the prototype for peephole2_optimize.
9900 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9902 * df-scan.c (df_record_entry_block_defs): Check if
9903 INCOMING_RETURN_ADDR_RTX is defined.
9905 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9906 Kenneth Zadeck <zadeck@naturalbridge.com>
9908 PR rtl-optimization/24762
9909 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9910 * targhooks.c (hook_void_bitmap): New hook prototype.
9911 * targhoohs.h (hook_void_bitmap): Ditto.
9912 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9913 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9914 * target.h (live_on_entry): New function pointer.
9915 * df-scan.c (df_all_hard_regs): Removed.
9916 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9917 (df_scan_free_internal): Added df->entry_block_defs.
9918 (df_scan_alloc): Ditto.
9919 (df_scan_dump): Ditto.
9920 (df_uses_record): Plumbed flag field properly thru calls.
9921 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9922 This part fixes PR24762.
9923 (df_bb_refs_record): Added code to make the frame and arg
9924 pointers live in EH blocks.
9925 (df_refs_record): Added call to df_record_entry_block_defs.
9926 (df_record_entry_block_defs): New function.
9927 * df-core.c: Added comments to describe new artifical defs.
9928 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9929 (entry_block_defs): New field in struct df.
9930 (df_all_hard_regs): Deleted.
9931 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9932 * df-problems.c (df_ru_bb_local_compute_process_def):
9933 Added code to handle artifical defs in the entry to a function.
9934 (df_ru_bb_local_compute): Ditto.
9935 (df_rd_bb_local_compute_process_def): Ditto.
9936 (df_rd_bb_local_compute): Ditto.
9937 (df_lr_bb_local_compute): Ditto.
9938 (df_ur_bb_local_compute): Ditto.
9939 (df_urec_bb_local_compute): Ditto.
9940 (df_chain_create_bb): Ditto.
9941 (df_ur_local_finalize): Removed entry.
9942 (df_urec_init): Ditto.
9943 (df_urec_local_finalize): Ditto.
9944 (df_ri_bb_compute): Added detection of last use of pseudos.
9945 * Makefile.in (df-scan.o): Updated dependencies.
9946 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9947 * config/mips/mips.c (mips_set_live_on_entry): Added.
9948 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9950 * dce.c (marked_insn_p): Added code to handle artifical defs.
9952 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9954 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9956 (_mm_cvtsi128_si64): Likewise.
9957 (_mm_cvtsd_si64): Likewise.
9958 (_mm_cvttsd_si64): Likewise.
9959 (_mm_cvtsi64_sd): Likewise.
9960 (_mm_cvtsi64_si128): Likewise.
9961 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9962 (_mm_cvtsi64_m64): Likewise.
9963 (_m_to_int64): Likewise.
9964 (_mm_cvtm64_si64): Likewise.
9965 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9966 (_mm_cvttss_si64): Likewise.
9967 (_mm_cvtsi64_ss): Likewise.
9968 (_mm_cvtss_f32): Likewise.
9970 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9972 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9973 for pragma redefine_extname.
9975 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9978 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9979 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9980 -mno-minimal-toc to previous content.
9981 (bispecs): Remove goal.
9982 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9983 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9984 compatibility aliases on powerpc-*-*gnu*.
9985 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9986 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9987 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9988 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9989 (ldblspecs): New goal.
9990 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9991 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9993 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9994 L_sf_to_tf or L_df_to_tf is defined.
9996 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9997 Alan Modra <amodra@bigpond.net.au>
10000 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10001 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10002 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10003 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10004 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10005 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10006 (rs6000_override_options): Initialize rs6000_ieeequad.
10007 Initialize TFmode format to ibm_extended_format if not
10009 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10011 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10012 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10013 (function_arg_advance): IBM long double passed in two FPRs, not
10015 (function_arg): IBM long double passed in FPRs.
10016 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10017 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10018 Only multireg GPR aligned.
10019 (rs6000_init_libfuncs): Enable IBM long double functions if not
10021 (rs6000_generate_compare): Use IBM long double compare if not
10023 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10024 (TARGET_IEEEQUAD): Define.
10025 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10026 not TARGET_IEEEQUAD.
10027 * config/rs6000/rs6000.md: Enable TFmode patterns if
10029 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10030 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10031 and -mlong-double-128 are incompatible.
10032 * doc/invoke.texi (-mabi): Collect options together. Add
10033 ibmlongdouble and ieeelongdouble.
10035 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10037 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10039 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10040 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10041 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10042 * rtl.h (rtunion_def): Remove rt_ptr.
10044 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10045 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10046 * config/i386/winnt.c (i386_pe_mark_dllexport)
10047 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10049 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10051 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10053 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10057 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10058 pthread_key_delete. From John David Anglin. gthrw-ify
10059 pthread_getunique_np only if it it's not a macro. Delete
10061 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10062 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10063 __gthread_objc_condition_signal, __gthread_key_delete): Add
10064 "__attribute__ ((__unused__))" to unused arguments.
10065 (__gthread_recursive_mutex_init_function): Add missing return.
10066 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10067 gthr-posix95.h: Use macro-based approach for name redirection
10068 on targets missing weakref.
10070 2006-01-26 Zack Weinberg <zackw@panix.com>
10072 * genconditions.c (write_header): In generated code, #ifdef out
10073 all includes and fake declarations, except includes of bconfig.h
10074 and system.h, unless GCC_VERSION >= 3001. Do not include
10075 gensupport.h in any case.
10076 (write_conditions): Generate a definition of struct c_test. Add
10077 a comment to the generated #endif.
10078 (write_one_condition): Escape backslashes in string too.
10079 (write_writer): Generated code must escape backslashes and quote
10080 marks (but not newlines) in the strings it writes.
10081 * Makefile.in (build/gencondmd.o): Update dependencies.
10083 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10086 * Makefile.in (insn-automata.o): Add header file dependencies.
10087 * genautomata.c: Add includes.
10089 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10092 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10094 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10096 * configure.ac: Expect target tools paths to be passed from the toplevel
10097 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10099 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10101 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10104 * c.opt (Wpointer-sign): Init to -1.
10105 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10106 OPT_pedantic, to 0 otherwise.
10107 * doc/invoke.texi: Update.
10109 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10111 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10112 constants provided by 80387 instructions in the destination mode.
10114 2006-01-26 Richard Guenther <rguenther@suse.de>
10115 Andrew Pinski <pinskia@physics.uc.edu>
10118 partial PR tree-opt/17064
10119 * tree-ssa-structalias.c (intra_create_variable_infos):
10120 Create heap variables for incoming parameters if
10121 flag_argument_noalias > 1.
10122 (find_what_p_points_to): Look through default defs of
10125 2006-01-26 Jeff Law <law@redhat.com>
10128 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10129 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10130 within the VR_RANGE, use the VR_RANGE as the result, not the
10132 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10133 bounds for the type.
10135 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10137 * tree-ssa-alias.c (maybe_create_global_var): Change
10138 subvar walking to an assertion that we don't have subvar'd variables.
10140 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10143 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10144 Use a new variable, inner. PARM_DECLs are always non-weak.
10146 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10148 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10149 --disable-checking.
10151 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10153 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10155 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10157 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10158 (smax_insn, smin_insn, smax_0, smin_0): New.
10160 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10163 * config/cris/cris.c (cris_order_for_addsi3): New function.
10164 * config/cris/cris-protos.h: Prototype it.
10165 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10166 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10167 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10168 (split for "op.S1 [rx=rx+i],ry (swapped)")
10169 (split for "op(s|u).S1 [rx=rx+i],ry")
10170 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10171 Apply cris_order_for_addsi3 when generating addsi3 insns.
10173 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10175 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10176 (TREE_BLOCK): Add call to EXPR_CHECK.
10178 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10181 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10182 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10183 (dump_omp_clauses): ... here.
10184 (dump_generic_node): Handle OMP_CLAUSE.
10185 * tree.c (omp_clause_num_ops): New.
10186 (omp_clause_code_name): New.
10187 (tree_code_size): Handle OMP_CLAUSE.
10188 (tree_size): Likewise.
10189 (make_node): Document handling of OMP_CLAUSE.
10190 (tree_node_structure): Handle OMP_CLAUSE.
10191 (omp_clause_check_failed): New.
10192 (omp_clause_range_check_failed): New.
10193 (omp_clause_operand_check_failed): New.
10194 (build_omp_clause): New.
10195 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10196 * tree.h (enum omp_clause_code): Declare.
10197 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10198 (OMP_CLAUSE_RANGE_CHECK): Define.
10199 (OMP_CLAUSE_ELT_CHECK): Define.
10200 (omp_clause_check_failed): Declare.
10201 (omp_clause_operand_check_failed): Declare.
10202 (omp_clause_range_check_failed): Declare.
10203 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10204 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10205 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10206 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10207 (OMP_CLAUSE_IF_EXPR): Likewise.
10208 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10209 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10210 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10211 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10212 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10213 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10214 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10215 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10216 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10217 (OMP_CLAUSE_CODE): Define.
10218 (OMP_CLAUSE_SET_CODE): Define.
10219 (OMP_CLAUSE_CODE): Define.
10220 (OMP_CLAUSE_OPERAND): Define.
10221 (struct tree_omp_clause): Declare.
10222 (union tree_node): Add field 'omp_clause'.
10223 * treestruct.def (TS_OMP_CLAUSE): Define.
10224 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10225 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10226 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10227 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10228 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10229 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10230 (OMP_CLAUSE): Define.
10231 * print-tree.c (print_node): Handle OMP_CLAUSE.
10232 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10233 * c-typeck.c: Likewise.
10234 * gimplify.c: Likewise.
10235 * c-omp.c: Likewise.
10236 * tree-nested.c: Likewise.
10237 * tree-inline.c: Likewise.
10238 * c-parser.c: Likewise.
10239 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10242 2006-01-25 Roger Sayle <roger@eyesopen.com>
10244 PR rtl-optimization/25703
10245 * combine.c (try_combine): Handle zero_extract and strict_low_part
10246 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10248 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10250 * global.c: Fix comment typos.
10252 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10255 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10256 Use output_addr_const instead of assemble_name.
10258 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10260 * Makefile.in (sched-vis.o): Update dependencies.
10261 * haifa-sched.c (sched_finish): Clear current_sched_info.
10262 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10263 (dump_flow_info): Call it.
10264 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10266 * basic-block.h (dump_bb_info): Declare.
10267 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10268 option, and apply options only for dump files whose TDF_RTL,
10269 TDF_TREE, or TDF_IPA bits match.
10270 * rtl.h: Declare new functions exported from sched-vis.c.
10271 * sched-vis.c: Enable also if scheduling is not used.
10272 (print_value): Print the mode of registers if not inside scheduling.
10273 (print_insn): Make it work outside the scheduler. Beautify the output
10275 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10277 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10279 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10280 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10281 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10282 depending on the value of CONSTANT_POOL_ADDRESS_P.
10283 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10285 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10286 rather than SYMBOL_REF_DECL.
10287 (rtx_constant_pool): Remove const_rtx_sym_htab.
10288 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10289 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10290 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10291 Remove handling of const_rtx_sym_htab.
10292 (find_pool_constant): Delete.
10293 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10294 rather than find_pool_constant.
10295 (get_pool_constant_for_function): Delete.
10296 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10297 find_pool_constant.
10298 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10299 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10300 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10301 (SYMBOL_REF_CONSTANT): New macro.
10302 (get_pool_constant_for_function): Delete.
10303 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10304 rather than SYMBOL_REF_DECL.
10305 (i386_pe_mark_dllimport): Likewise.
10306 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10307 rather than SYMBOL_REF_DECL.
10308 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10309 (machopic_indirect_call_target): Likewise.
10311 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10313 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10315 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10317 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10319 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10321 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10323 2006-01-24 David Daney <ddaney@avtrex.com>
10326 * configure.ac (enable_tls): New enable option.
10327 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10328 * configure: Regenerate.
10329 * doc/install.texi (--enable-tls): Document new option.
10330 (--disable-tls): Ditto.
10332 2006-01-24 Richard Henderson <rth@redehat.com>
10334 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10335 * alias.c (true_dependence): Respect it.
10336 (canon_true_dependence, write_dependence_p): Likewise.
10337 * builtins.c (get_builtin_sync_mem): Set it.
10339 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10341 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10344 2006-01-24 DJ Delorie <dj@redhat.com>
10346 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10347 for storing constants in single-bit bitfields.
10349 2006-01-25 Ben Elliston <bje@au.ibm.com>
10351 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10353 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10356 * tree-ssa-pre.c (phi_translate): Return NULL
10357 for AGGREGATE_TYPE's.
10359 2006-01-24 Zack Weinberg <zackw@panix.com>
10361 * genautomata.c (process_state_for_insn_equiv_partition):
10362 Use xcalloc for insn_arcs_array.
10363 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10364 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10366 2006-01-24 Richard Henderson <rth@redhat.com>
10368 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10369 update all callers.
10371 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10373 PR rtl-optimization/25890
10374 PR rtl-optimization/25905
10375 * combine.c (expand_compound_operation, expand_field_assignment):
10376 Fail if the bitfield's final position is out of bounds.
10378 2006-01-24 Ian Lance Taylor <ian@airs.com>
10380 PR middle-end/25930
10381 * cgraphunit.c (cgraph_output_in_order): Don't clear
10382 cgraph_asm_nodes until after asm strings have been output.
10384 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10386 * fix-header.c (read_scan_file): Add new parameter imultilib when
10387 calling register_include_chains.
10389 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10391 * omp-low.c: Update documentation.
10393 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10394 Daniel Berlin <dberlin@dberlin.org>
10398 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10399 return from the function.
10401 2006-01-22 Zack Weinberg <zackw@panix.com>
10403 * rtl.def (match_code): Add second argument.
10404 * genpreds.c (write_extract_subexp): New function.
10405 (write_match_code): Add path argument. Use write_extract_subexp.
10406 (write_predicate_expr): Pass path to write_match_code.
10407 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10408 not perform a mode test.
10409 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10410 a subexpression does not constrain the top-level code set.
10411 * read-rtl.c (read_rtx_variadic): New function.
10412 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10413 * doc/md.texi: Document new notation.
10414 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10415 (cmpsi_operand): ... here, using new notation.
10417 2006-01-22 Zack Weinberg <zackw@panix.com>
10419 * varray.c: Remove GENERATOR_FILE #ifdefs.
10421 2006-01-22 Zack Weinberg <zackw@panix.com>
10423 * genautomata.c (output_reserved_units_table): Emit nothing if
10424 description->query_units_num is zero. Remove extra blank line.
10425 (output_cpu_unit_reservation_p): Short circuit
10426 if description->query_units_num is zero.
10428 2006-01-22 Zack Weinberg <zackw@panix.com>
10430 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10431 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10432 nor any of the random handful of variables that used to be necessary
10433 when this program was linked with rtlanal.o. Prune set of forward
10434 function declarations.
10435 (struct attr_desc): Remove static_p field.
10436 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10437 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10438 (attr_string): Do not read the character one past the length of
10440 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10441 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10442 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10443 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10444 (make_automaton_attrs): New.
10445 (main): Do not call into genautomata. Call local gen_bypass
10446 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10447 Remove special case for insn_alts.
10448 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10449 varray.h (leftover from previous change). Prune set of forward
10450 function declarations. Remove state_alts fields from all
10451 structures. Remove state_alts_table from struct automaton.
10452 Make everything except main static. Do not maintain num_dfa_decls.
10453 Do not maintain state_alts fields of various structures.
10454 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10455 (add_arc): Remove state_alts argument. All callers updated.
10456 (output_reserved_units_table): Emit #ifdef here...
10457 (output_tables): ...not here. Don't generate state_alts tables.
10458 (expand_automata): Don't generate attributes.
10459 (write_automata): Don't generate state_alts functions.
10460 (main): New function.
10461 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10462 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10463 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10464 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10465 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10466 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10467 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10468 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10470 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10471 * genattrtab.h: Delete file.
10472 * Makefile.in (OBJS-common): Add insn-automata.o.
10473 (insn-automata.o): New rule.
10474 (simple_generated_c): Add insn-automata.c.
10475 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10476 (genprogmd): Add automata.
10477 (build/genattrtab): Needs no extra objects nor libraries.
10478 (build/genautomata): Needs build/vec.o and -lm.
10480 2006-01-22 Zack Weinberg <zackw@panix.com>
10482 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10483 (output_dfa_max_issue_rate, locked_states_num): Delete.
10484 (struct automaton): Add locked_states field.
10485 (output_dead_lock_vect): Save number of locked states in
10486 automaton->locked_states. If it is zero, don't print anything.
10487 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10488 (output_internal_dead_lock_func): Only test the dead_lock_vect
10489 for automata that have locked states.
10490 (output_statistics): Always print the number of locked states for
10491 each automaton. Calculate total number of locked states here.
10492 (write_automata): Don't call output_dfa_max_issue_rate.
10493 * genattrtab.c: Define length_unit_log as a const variable.
10494 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10495 max_insn_queue_index const.
10496 * final.c (length_unit_log): Declare const.
10497 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10499 2006-01-22 Zack Weinberg <zackw@panix.com>
10501 * genautomata.c: Include vec.h, not varray.h.
10502 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10503 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10504 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10505 VEC_* macros operating on appropriately typed vectors, or to
10506 malloced arrays when the size is known in advance. Const-ify
10507 many char* variables and function arguments. No functional changes.
10508 * Makefile.in (build/varray.o): Delete rule.
10509 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10510 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10512 2006-01-22 Zack Weinberg <zackw@panix.com>
10514 * gensupport.c: Define get_insn_name and record_insn_name here.
10515 (read_md_rtx): Call record_insn_name as appropriate.
10516 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10517 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10518 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10520 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10521 (BUILD_VARRAY): Delete.
10522 (genprognormal): Rename genprogmd. Fold in all programs from
10523 genprognoprint; also attrtab.
10524 (build/genattrtab): Just mention genautomata.o and varray.o.
10525 Reorganize a bit, add comments to make the categories clearer.
10527 2006-01-22 Zack Weinberg <zackw@panix.com>
10529 * genconditions.c (condition_table, add_condition): Delete.
10530 (write_conditions): Don't emit n_insn_conditions nor
10531 insn_elision_unavailable. Issue the gcc version #ifdef here,
10532 inside the table, with no #else clause ...
10533 (write_header): ...not here.
10534 (write_writer): New function.
10535 (main): Don't initialize condition_table. Use add_c_test.
10537 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10538 files on the command line.
10539 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10540 Return -1 if there is no entry in the table, don't abort.
10541 (add_c_test, traverse_c_tests): New functions.
10542 * gensupport.h (insn_elision_unavailable, insn_conditions)
10543 (n_insn_conditions): Delete declarations.
10544 (add_c_test, traverse_c_tests): Declare.
10545 * read-rtl.c: Include gensupport.h.
10546 (read_conditions): New function.
10547 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10548 (read_rtx_1): If we get EOF when we were looking for an initial
10549 open paren, return 0. Call read_conditions when appropriate.
10550 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10551 dummy-conditions.o. Eliminate references to insn-conditions.o,
10552 or change them to build/gencondmd.o, as appropriate. Remove
10553 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10554 from $(simple_generated_c). For all files remaining in those
10555 two lists, add insn-conditions.md to the generator command line.
10556 Give insn-constants.h/s-constants their own rules. Add rules
10557 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10558 (build/read-rtl.o): Depend on gensupport.h.
10559 (genprognormal): Include preds.
10560 (genprogearly): Rename genprognoprint; only difference is now that
10561 they don't link with $(BUILD_PRINT).
10562 * dummy-conditions.c: Delete.
10564 2006-01-22 Zack Weinberg <zackw@panix.com>
10566 * genextract.c: Don't include insn-config.h. Do include vec.h.
10567 Declare vectors of int, char, and locstr.
10568 (locstr): New typedef.
10569 (struct extraction): Make all array fields into bare pointers.
10570 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10571 (insn_code_number): Delete.
10572 (accum_extract): New struct.
10573 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10574 (gen_insn): Take insn_code_number as an argument. Use an
10575 accum_extract structure instead of loading data directly into
10576 a struct extraction, and having to know how big it might get.
10577 (walk_rtx): Operate entirely on an accum_extract structure.
10578 (print_path): Avoid unnecessary use of printf.
10579 (print_header): New function, split out of main. Distinguish
10580 more carefully between an unrecognizable insn and an insn that
10581 has the code number of a define_expand.
10582 (main): Pass insn_code_number to gen_insn. Call print_header
10583 only after parsing. Avoid unnecessary use of printf.
10584 * Makefile.in (build/vec.o): New rule.
10585 (build/genextract): Depend on build/vec.o.
10586 (build/genextract.o): Don't depend on insn-config.h.
10588 2006-01-22 Zack Weinberg <zackw@panix.com>
10590 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10591 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10592 practical. Eliminate per-generator-program link rules.
10594 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10596 PR middle-end/24437
10597 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10598 with a call expr to ...
10599 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10601 2006-01-23 Richard Guenther <rguenther@suse.de>
10603 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10604 before make_edge with conditional EDGE_TRUE_VALUE.
10606 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10607 Jan Hubicka <jh@suse.cz>
10608 Richard Guenther <rguenther@suse.de>
10610 PR rtl-optimization/25654
10611 * cfgexpand.c (aggregate_contains_union_type): New function.
10612 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10613 for structure variables that contain a union type.
10615 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10617 * gengtype.c (new_structure): Return the structure.
10618 (create_option): Add an extra "next" argument.
10619 (create_field): New function.
10620 (adjust_field_rtx_def): Use create_option and create_field.
10621 Remove a now-unnecessary call to find_structure.
10622 (adjust_field_tree_def): Likewise.
10623 (note_yacc_type): Remove an unnecessary call to find_structure.
10624 * gengtype.h (new_structure): Return the structure.
10625 (create_option): Add an extra argument.
10626 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10627 (option): Adjust calls to create_option.
10629 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10631 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10633 2006-01-22 Paul Brook <paul@codesourcery.com>
10634 Peter Barada <peter@the-baradas.com>
10636 * config/m68k/m68k.md: Add Coldfire FPU support.
10637 Define FP mode macro and associated attributes.
10638 Use it for float mode patterns.
10639 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10640 (LIBCALL_VALUE): Use m68k_libcall_value.
10641 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10642 (m68k_function_value): Ditto.
10643 (emit_move_sequence): Ditto.
10644 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10645 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10646 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10647 (MULTILIB_EXCEPTIONS): Ditto.
10648 * config/m68k/m68k.opt: Add mcfv4e.
10649 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10650 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10651 (m68k_output_function_prologue): Save ColdFire FPU registers.
10652 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10653 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10654 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10655 ColdFire FPU registers.
10656 (m68k_libcall_value, m68k_function_value): New functions.
10657 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10658 (LIBCALL_VALUE): Use m68k_libcall_value.
10659 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10660 (MASK_COLDFIRE): Add MASK_CFV4E.
10661 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10662 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10663 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10664 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10665 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10666 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10667 * doc/invoke.tex: Document -mcfv4e on m68k.
10669 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10671 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10674 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10677 * c-opts.c (c_common_handle_option): Don't include
10678 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10679 * doc/invoke.texi (C++ Dialect Options): Document that
10680 -Wnon-virtual-dtor is no longer included in -Wall.
10682 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10684 * gcov.c (print_version), gcov-dump.c (print_version),
10685 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10688 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10690 * df-scan.c (problem_SCAN): Added NULL reset function.
10691 (df_scan_reset_blocks): Added code to call reset block function
10692 (df_bb_refs_delete) Fixed comment.
10693 (df_insn_refs_delete): Made tolerant of deleting non existent info
10694 for dataflow problems that need to be reset.
10695 * df-core.c (df_set_blocks): Ditto.
10696 * df.h (struct df_problem): Added reset_fun.
10697 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10698 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10699 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10700 functions to clear out all references to def-use or use-def chains.
10702 2006-01-21 Ben Elliston <bje@au.ibm.com>
10704 * varasm.c (assemble_real): Initialise data array.
10706 2006-01-20 Paul Brook <paul@codesourcery.com>
10708 Merge from csl-arm-branch.
10709 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10710 * config/arm/arm.md (movdi): Force operands[1] to a register
10711 if we have a non-register source.
10712 (*arm_movdi, *movdf_soft_insn): Require that one of the
10713 operands be a register.
10714 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10715 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10717 2006-01-20 DJ Delorie <dj@redhat.com>
10719 * varasm.c (initializer_constant_valid_p): Allow pointers
10720 initialized from integer constants of lesser precision.
10721 (output_constant): Allow non-int-sized pointer modes to be
10722 initialized from integer constants.
10724 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10727 * cppdefault.h (struct default_include): Add multilib flag.
10728 * cppdefault.c (cpp_include_defaults): Set it.
10729 * c.opt (-imultilib): New option.
10730 * c-opts.c (imultilib): New.
10731 (c_common_handle_option): Handle -imultilib.
10732 (c_common_post_options): Likewise.
10733 * c-incpath.c (add_standard_paths, register_include_chains):
10735 * c-incpath.h (register_include_chains): Add extra parameter.
10736 * gcc.c (do_spec_1): Generate -imultilib option.
10737 (The Specs Language): Update %I description.
10738 (process_command): Update copyright notice.
10739 * doc/cppopts.texi (-imultilib): Document.
10740 * doc/invoke.texi (-imultilib): Include in option summary.
10741 (%I): Update specs documentation.
10743 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10745 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10747 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10749 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10752 2006-01-20 Richard Guenther <rguenther@suse.de>
10753 Steven Bosscher <stevenb.gcc@gmail.com>
10755 PR rtl-optimization/24626
10756 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10757 EDGE_TRUE_VALUE if in RTL mode.
10760 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10761 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10763 2006-01-20 Dirk Mueller <dmueller@suse.com>
10766 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10767 instead of a special NOP marker.
10768 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10769 NOP marker handling.
10770 * c-common.h (empty_body_warning): Add forward declaration.
10771 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10772 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10774 2006-01-20 Paul Brook <paul@codesourcery.com>
10776 * Makefile.in (lang_checks): Keep going if mkdir fails.
10778 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10780 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10781 be able to clean out basic block when not necessary.
10782 (df_scan_free): Fixed to properly delete information if df is
10783 unused before calling df_finish.
10784 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10785 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10787 (df_bb_refs_delete): New function.
10788 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10789 * df-core.c (df_set_blocks): Added code to properly clean out
10790 unused blocks if they are not part of the blocks to consider.
10791 Added additional null check.
10792 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10793 be able to clean out basic block when not necessary
10794 * df.h (df_free_bb_function): Ditto.
10795 (df_bb_refs_delete): New function.
10796 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10797 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10798 basic block parameter to be able to clean out basic block when not
10800 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10801 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10802 Fixed to properly delete information if df is unused before
10805 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10807 PR rtl-optimization/25799
10808 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10809 Corrected confluence operator to remove bits from op2 before oring
10810 with op1 rather than removing bits from op1.
10811 (df_ru_transfer_function): Corrected test on wrong bitmap which
10812 caused infinite loop. Both of these problems were introduced in
10813 the dataflow rewrite.
10815 2006-01-19 DJ Delorie <dj@redhat.com>
10817 * reload1.c (find_reload_regs): Note the details of reload
10818 failures in the dump file.
10819 (spill_failure): Likewise.
10821 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10823 * loop-iv.c: Include df.h and hashtab.h.
10824 (enum iv_grd_result): New enum.
10825 (DF_REF_IV, DF_REF_IV_SET): New macros.
10826 (struct biv_entry): New.
10827 (df, bivs): New global variables.
10828 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10829 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10831 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10832 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10833 analyzed_for_bivness_p, record_biv): New functions.
10834 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10835 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10836 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10838 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10840 (iv_number_of_iterations): Use new interface to iv analysis.
10841 * loop-unroll.c: Do not include varray.h.
10842 (analyze_iv_to_split_insn): Use new interface to iv
10844 * loop-unswitch.c (may_unswitch_on): Ditto.
10845 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10847 (df_bb_modify): Realloc tables to the new index.
10848 (df_find_use): New function.
10849 * df.h (df_find_use): Declare.
10850 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10852 * cfgloop.h (struct rtx_iv): Remove analysed field.
10853 (iv_get_reaching_def): Removed.
10854 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10855 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10856 (loop-iv.o): Add df.h and hashtab.h dependency.
10857 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10859 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10862 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10864 (__floatundisf, __floatundidf): Likewise.
10865 * libgcc2.h (IS_IBM_EXTENDED): Define.
10867 2006-01-19 DJ Delorie <dj@redhat.com>
10869 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10871 2006-01-19 Paul Brook <paul@codesourcery.com>
10873 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10874 as nothrow when unwinding tables are disabled.
10876 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10879 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10880 of bit-field" when in system header.
10882 2006-01-19 DJ Delorie <dj@redhat.com>
10884 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10885 the 16 bit shift limit of the m16c.
10887 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10890 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10891 * config/i386/i386.c (output_set_got): Output the label if we have one
10892 for the TARGET_DEEP_BRANCH_PREDICTION case.
10894 2006-01-19 Jan Hubicka <jh@suse.cz>
10895 H.J. Lu <hongjiu.lu@intel.com>
10896 Evandro Menezes <evandro.menezes@amd.com>
10898 * invoke.texi (generic): Document
10900 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10901 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10902 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10903 (x86_use_incdec, x86_pad_returns): New variables
10904 (TARGET_CPU_DEFAULT_generic): New constant
10905 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10906 (enum processor_type): Add generic32 and generic64.
10907 * i386.md (cpu attribute): Add generic32/generic64
10908 (movhi splitter): Behave sanely when both partial_reg_dependency and
10909 partial_reg_stall are set.
10910 (K8 splitters): Enable for generic as well.
10911 * predicates.md (incdec_operand): Use TARGET_INCDEC
10912 (aligned_operand): Avoid memory mismatch stalls.
10913 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10914 * ppro.md: Enable for generic32
10915 * i386.c (generic64_cost, generic32_cost): New.
10916 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10917 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10918 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10919 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10920 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10921 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10922 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10923 x86_accumulate_outgoing_args, x86_prologue_using_move,
10924 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10925 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10926 Enable for generic.
10927 (x86_use_incdec, x86_pad_returns): New.
10928 (override_options): Add generic32 and generic64, translate "generic"
10929 to generic32/generic64 and "i686" to "generic32", refuse
10930 "generic32"/"generic64" as arch target.
10931 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10932 (ix86_reorg): Honor PAD_RETURNS.
10934 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10936 * tree-pretty-print.c (dump_generic_node): Handle
10937 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10938 * cgraph.c (cgraph_expand_queue): Rename from
10939 cgraph_analyze_queue. Update all users.
10940 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10941 cgraph_expand_queue.
10942 (cgraph_expand_all_functions): Likewise.
10943 (cgraph_finalize_pending_functions): Remove. Update callers.
10945 * tree.h (OMP_DIRECTIVE_P): Define.
10946 (OMP_PARALLEL_FN): Define.
10947 (OMP_PARALLEL_DATA_ARG): Define.
10948 (OMP_SECTIONS_SECTIONS): Define.
10949 * tree-pass.h (pass_expand_omp): Declare.
10950 * omp-low.c (struct omp_region): Declare.
10951 (struct omp_context): Remove fields 'parallel_type',
10952 'parallel_start_ix' and 'parallel_start_additional_args'.
10954 (struct omp_for_data): Rename from struct expand_omp_for_data.
10955 (omp_regions): New static variable.
10956 (root_omp_region): New static variable.
10957 (find_omp_clause): Make static.
10958 (is_in_combined_parallel_ctx): Remove.
10959 (is_combined_parallel): New.
10960 (extract_omp_for_data): Move earlier in the file.
10961 (workshare_safe_to_combine_p): New.
10962 (get_ws_args_for): New.
10963 (determine_parallel_type): Move earlier in the file.
10964 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10966 (omp_copy_decl): Likewise.
10967 (create_omp_child_function): Likewise.
10968 (lookup_omp_region): New.
10969 (dump_omp_region): New.
10970 (debug_omp_region): New.
10971 (debug_all_omp_regions): New.
10972 (new_omp_region): New.
10973 (scan_omp_parallel): If parallel_nesting_level > 1, the
10974 directive is nested within another parallel directive.
10975 Set OMP_PARALLEL_FN.
10976 (scan_omp_for): Do not try to handle combined parallel+for
10978 Remove FIXME comment.
10979 (scan_omp_nested): Remove.
10980 (scan_omp_1): Do not call scan_omp_nested when
10981 parallel_nesting_level is > 1.
10982 Do not change the DECL_CONTEXT of local variables found.
10983 (lookup_decl_in_outer_ctx): New.
10984 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10985 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10986 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10987 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10988 If CTX is nested, lookup VAR in the outer context when
10989 building copy assignment.
10990 (lower_send_clauses): Rename from expand_send_clauses.
10991 If CTX is nested, lookup VAR in the outer context when
10992 building copy assignments.
10993 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10994 If CTX is nested, lookup VAR in the outer context when
10995 building copy assignments.
10996 (expand_parallel_call): Rename from build_parallel_call.
10997 Handle combined parallel+workshare cases.
10998 Re-implement to emit code into the CFG.
11000 (expand_omp_parallel): Re-implement to emit code into the CFG.
11001 Call move_sese_region_to_fn to outline the sub-graph
11002 containing the parallel region.
11003 (expand_omp_for_1): Remove.
11004 (expand_omp_for_generic): Re-implement to emit code into the
11006 (expand_omp_for_static_nochunk): Likewise.
11007 (expand_omp_for_static_chunk): Likewise.
11008 (expand_omp_for): Likewise.
11009 (expand_omp_sections): Likewise.
11010 (remove_exit_barriers): New.
11011 (expand_omp_synch): New.
11013 (build_omp_regions_1): New.
11014 (build_omp_regions): New.
11015 (execute_expand_omp): New.
11016 (gate_expand_omp): New.
11017 (pass_expand_omp): Define.
11018 (lower_omp_sections): Rename from expand_omp_sections.
11019 Set OMP_SECTIONS_SECTIONS.
11020 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11021 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11022 (lower_omp_single): Rename from expand_omp_simple.
11023 (lower_omp_master): Rename from expand_omp_master.
11024 (lower_omp_ordered): Rename from expand_omp_ordered.
11025 (lower_omp_critical): Rename from expand_omp_critical.
11026 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11027 (lower_omp_for): Re-implement.
11028 (lower_omp_parallel): Re-implement.
11029 (lower_regimplify): Rename from expand_regimplify.
11030 (lower_omp_1): Rename from expand_omp_1.
11031 If there are syntax errors in the program, replace every
11032 OpenMP directive with NOP.
11033 Call lower_omp_* instead of expand_omp_*.
11034 (lower_omp): Rename from expand_omp.
11036 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11037 * tree-gimple.h (enum omp_parallel_type): Remove.
11038 (gimple_boolify): Declare extern.
11039 (find_omp_clause, determine_parallel_type): Remove.
11041 * gimple-low.c (lower_omp_directive): New.
11042 (lower_stmt): Call it.
11043 (record_vars_into): Move from ...
11044 (record_vars): ... here.
11045 Call record_vars_into with current_function_decl.
11047 * gimplify.c (struct gimplify_ctx): Remove fields
11048 combined_pre_p and combined_ctxp. Update users.
11049 (get_formal_tmp_var): Add documentation.
11050 (gimple_boolify): Make extern.
11051 (gimplify_expr_in_ctx): Remove. Update callers.
11052 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11053 will always be a BIND_EXPR.
11054 (gimplify_expr): Handle OMP_RETURN_EXPR.
11055 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11056 (OMP_PARALLEL): Add 3 operands.
11057 (OMP_SECTIONS): Add 1 operand.
11058 (OMP_RETURN_EXPR): Define.
11060 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11061 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11062 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11063 creating a circular free list.
11064 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11066 * tree-flow.h (move_sese_region_to_fn): Declare.
11067 (record_vars_into): Declare.
11068 * tree-cfg.c (make_omp_sections_edges): New.
11069 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11070 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11071 OMP_SECTIONS and OMP_SECTION.
11072 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11073 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11074 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11075 (gather_blocks_in_sese_region): New.
11076 (struct move_stmt_d): Declare.
11077 (move_stmt_r): New.
11078 (move_block_to_fn): New.
11079 (move_sese_region_to_fn): New.
11081 * passes.c (init_optimization_passes): Schedule
11082 pass_expand_omp after pass_init_datastructures.
11084 * tree-ssa-operands.c (get_expr_operands): Handle
11085 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11086 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11088 2006-01-19 Jeff Law <law@redhat.com>
11090 * tree-vrp.c (extract_range_from_assert): Refine the result range
11091 if the variable referenced by the ASSERT_EXPR has a range and
11092 either the tentative result range or the previous range is a
11095 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11097 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11099 2006-01-19 Jan Hubicka <jh@suse.cz>
11101 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11103 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11105 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11106 (expand_compound_operation, expand_field_assignment): Fail if the
11107 bit lengths of an extract operation are out of range.
11108 (make_extraction): Compute wanted_inner_mode based on the position
11109 and length of the extraction. Make it extraction_mode for non-constant
11110 positions, and do not modify offset in that case. When generating a
11111 new MEM, use a mode that can hold the extraction while keeping correct
11112 alignment. Remove code that supported MEMs wrapped by USEs.
11113 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11115 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11117 * config/s390/s390.md ("Y", "y"): New mode attribute.
11118 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11119 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11120 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11121 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11122 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11123 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11124 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11125 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11126 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11127 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11128 "addsi3", "subsi3"): Insn patterns removed.
11129 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11130 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11131 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11132 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11133 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11134 "*sub<mode>3_cconly2"): New insn patterns.
11135 ("addsi3", "subsi3"): New expanders.
11137 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11139 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11140 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11141 existing STMT_VINFO_VECTYPE if available.
11142 (vect_mark_relevant): Add special handling for stmts that are
11143 marked as STMT_VINFO_IN_PATTERN_P.
11144 (vect_analyze_loop): Call vect_pattern_recog.
11145 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11146 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11148 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11149 (vect_recog_func_ptr): New function-pointer type.
11150 * tree-vect-patterns.c: New file.
11151 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11152 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11153 (vect_pattern_recog_1): New functions.
11154 (vect_pattern_recog_funcs): New array of function pointers.
11156 * tree-vectorizer.h (ternary_op): New enum value.
11157 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11158 declaration. Revised documentation. Removed redundant dump prints.
11159 Removed redundant argument. Added support for reduction patterns.
11160 (vectorizable_reduction): Added support for reduction patterns.
11161 (vect_transform_stmt): Added support for patterns.
11163 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11164 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11165 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11166 (expand_widen_pattern_expr): New function.
11167 (init_optabs): Initialize new optabs udot_prod_optab,
11169 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11170 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11171 (expand_widen_pattern_expr): New function declaration.
11172 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11174 * tree-inline.c (estimate_num_insns_1): Added cases for new
11175 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11176 * tree-pretty-print.c (dump_generic_node): Likewise.
11177 (op_prio): Likewise.
11178 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11179 * tree-ssa-operands.c (get_expr_operands): Added case for
11181 * tree-vect-patterns.c (widened_name_p): New function.
11182 (vect_recog_dot_prod_pattern): Added function implementation.
11183 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11184 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11185 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11186 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11188 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11189 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11190 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11191 (init_optabs): Initialize new optabs widen_ssum_optab,
11193 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11194 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11195 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11196 use instead of type of def.
11197 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11198 function implementation.
11199 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11200 widen_ssumv8hi): New.
11202 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11205 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11208 * c-decl.c (add_flexible_array_elts_to_size): New function.
11209 (finish_decl): Use it.
11211 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11213 * diagnostic.h: Include options.h.
11214 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11215 dependancies for diagnostic.h.
11216 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11218 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11220 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11221 (ssa_ro_call_cache_valid): Ditto.
11222 * tree-ssa-alias.c (sort_tags_by_id): New function.
11223 (init_transitive_clobber_worklist): Ditto.
11224 (add_to_worklist): Ditto.
11225 (mark_aliases_call_clobbered): Ditto.
11226 (compute_tag_properties): Ditto.
11227 (set_initial_properties): Ditto.
11228 (compute_call_clobbered): Ditto.
11229 (compute_may_aliases): Call compute_call_clobbered and grouping.
11230 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11231 (compute_flow_insensitive_aliasing): Grouping now happens in our
11233 (setup_pointers_and_addressables): Remove clobbering related code.
11234 (add_may_alias): Ditto.
11235 (replace_may_alias): Ditto.
11236 (get_nmt_for): Ditto.
11237 (create_global_var):
11238 (is_escape_site): Return an escape_type enumeration.
11239 * tree-flow-inline.h (is_call_clobbered): Global var does not
11240 imply call clobbered.
11241 (mark_call_clobbered): Take a reason for marking this. Remove
11242 marking of globalness, and cache invalidation.
11243 (clear_call_clobbered): Remove cache invalidation code.
11244 * tree-dfa.c (dump_variable): If details is on, dump the reason
11246 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11248 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11249 (struct var_ann_d): Ditto.
11250 (enum escape_type): New.
11251 (mark_call_clobbered): Adjust prototype.
11252 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11253 are never call clobbered.
11254 Record reasons for escaping.
11255 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11256 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11257 (ssa_ro_call_cache_valid): Ditto.
11258 (clobbered_v_may_defs): Ditto.
11259 (clobbered_vuses): Ditto.
11260 (ro_call_vuses): Ditto.
11261 (clobber_stats): New.
11262 (init_ssa_operands): Zero out clobber stats.
11263 (fini_ssa_operands): Print out clobber stats.
11264 (get_call_expr_operands): Pass callee fndecl to
11265 add_call_read_ops).
11266 (add_call_clobber_ops): Remove use of cache.
11267 Add use of PURE_CONST information.
11268 (add_call_read_ops): Remove use of cache.
11269 Add use of static not_read information.
11271 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11273 Introduce TLS descriptors for i386 and x86_64.
11274 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11275 (TARGET_ANY_GNU_TLS): New macro.
11276 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11277 (struct machine_function): Add tls_descriptor_call_expanded_p.
11278 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11279 (ix86_current_function_calls_tls_descriptor): Likewise.
11280 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11281 (override_options): Introduce gnu2 tls dialect.
11282 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11284 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11286 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11287 (ix86_init_machine_status): Initialize new field.
11288 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11289 (ix86_tls_module_base): New.
11290 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11291 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11292 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11293 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11294 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11295 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11296 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11297 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11298 * config/i386/predicates.md (tls_modbase_operand): New.
11299 (tp_or_register_operand): New.
11301 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11303 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11304 (look_for_address_of): Ditto.
11305 (ipa_init): Walk the function decls.
11306 (static_execute): Don't set readonly on FUNCTION_DECL's.
11308 2006-01-18 Roger Sayle <roger@eyesopen.com>
11310 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11311 for shifts where the source and destination registers are different.
11313 2006-01-18 Paul Brook <paul@codesourcery.com>
11315 Merge from csl-arm-branch.
11316 2005-03-14 Julian Brown <julian@codesourcery.com>
11317 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11318 (aeabi_llsl): Likewise.
11319 (ashrdi3): Likewise.
11320 (aeabi_lasr): Likewise.
11321 (lshrdi3): Likewise.
11322 (aeabi_llsr): Likewise.
11323 2005-03-10 Julian Brown <julian@codesourcery.com>
11324 * config.gcc: Disable shared libgcc for SymbianOS.
11325 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11327 2006-01-18 DJ Delorie <dj@redhat.com>
11329 * c-pragma.c (handle_pragma_diagnostic): New.
11330 (init_pragma): Register it.
11331 * doc/extend.texi: Document it.
11333 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11334 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11335 (diagnostic_context): Add classify_diagnostic[].
11336 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11337 as errors if they're overridden to DK_WARNING.
11338 (diagnostic_initialize): Initialize classify_diagnostic[].
11339 (diagnostic_set_kind_override): New.
11340 (diagnostic_report_diagnostic): Check for kind changes.
11341 * opts.c (common_handle_option): Take lang_mask. Update callers.
11342 Handle OPT_Werror_.
11343 * common.opt (Werror=): New.
11344 * doc/invoke.texi: Document -Werror=*
11346 2006-01-18 Jeff Law <law@redhat.com>
11348 * tree-vrp.c (test_for_singularity): Correct test for new
11349 min limit. Use operand_equal_p rather than pointer equality
11350 for testing if new min/max values are equal.
11352 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11353 using range information until after propagation and folding.
11355 2006-01-18 Richard Henderson <rth@redhat.com>
11356 Aldy Hernandez <aldyh@redhat.com>
11357 Jakub Jelinek <jakub@redhat.com>
11358 Diego Novillo <dnovillo@redhat.com>
11360 * omp-low.c: New file.
11361 * c-omp.c: New file.
11363 2006-01-18 Richard Henderson <rth@redhat.com>
11364 Jakub Jelinek <jakub@redhat.com>
11365 Diego Novillo <dnovillo@redhat.com>
11367 * doc/invoke.texi: Document -fopenmp.
11368 * tree-dump.h (debug_function): Declare.
11369 * hooks.c (hook_bool_tree_bool_false): New function.
11370 (hook_tree_tree_null): Remove.
11371 (hook_tree_tree_tree_null): New.
11372 * hooks.h: Update to match.
11373 * tree-pretty-print.c (debug_tree_chain): New.
11374 (print_generic_expr): Handle TDF_CHAIN.
11375 (dump_generic_node): Handle BLOCK.
11376 Do not abort with incomplete SWITCH_EXPRs.
11377 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11378 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11379 print space after directive name.
11380 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11381 Handle OMP_MASTER and OMP_ORDERED.
11382 Handle printing of OMP_BODY just in one place, goto
11383 dump_omp_body in the rest of OMP_* nodes that have
11385 Don't handle clause nodes here. Update omp statements to
11386 use dump_omp_clauses.
11387 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11388 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11389 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11390 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11391 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11392 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11393 Adjust output for GOMP_PARALLEL.
11394 (dump_omp_clauses): New.
11395 (print_declaration): Dump DECL_VALUE_EXPR.
11396 (op_symbol_1): Split out of op_symbol.
11397 (dumping_stmts): Remove. Update all users.
11398 * cgraph.c (cgraph_analyze_queue): New.
11399 (cgraph_add_new_function): New.
11400 * cgraph.h (cgraph_analyze_queue): Declare.
11401 (cgraph_add_new_function): Declare.
11402 (cgraph_lower_function): Remove.
11403 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11404 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11405 and TYPE_P nodes in its default clause.
11406 (empty_body_p): New.
11407 (tree_range_check_failed): New.
11408 (build5_stat): New.
11409 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11410 OMP_CLAUSE_REDUCTION_MERGE,
11411 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11412 OMP_CLAUSE_PRIVATE_DEBUG,
11413 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11414 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11415 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11416 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11417 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11418 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11419 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11420 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11421 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11422 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11423 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11424 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11425 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11426 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11427 (TREE_RANGE_CHECK): New.
11428 (empty_body_p): Declare.
11429 (enum omp_clause_default_kind): New.
11430 (build_string_literal): Declare.
11431 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11432 (build5_stat, build5): Declare.
11433 * tree-pass.h (TDF_CHAIN): Define.
11434 * tree-pass.h (PROP_gimple_lomp): Define.
11435 (pass_lower_omp): Declare.
11436 * diagnostic.h (debug_tree_chain): Declare.
11437 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11439 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11440 * builtins.c (build_string_literal): Make extern.
11441 * gcc.c (include_spec_function): New.
11442 (static_spec_functions): Add it.
11443 (main): Move load of libgomp.spec ...
11444 (LINK_COMMAND_SPEC): ... here.
11445 (link_gomp_spec): New.
11446 (static_specs): Include it.
11447 (LINK_COMMAND_SPEC): Add link_gomp.
11448 (GOMP_SELF_SPECS): New.
11449 (driver_self_specs): Include it.
11450 (switch_matches): Don't mark inline.
11451 (main): Load libgomp.spec.
11452 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11453 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11454 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11455 * tree-gimple.h (enum omp_parallel): Declare.
11456 (determine_parallel_type): Declare.
11457 (omp_firstprivatize_variable): Declare.
11458 (omp_reduction_init): Declare.
11459 (diagnose_omp_structured_block_errors): Declare.
11460 (struct walk_stmt_info): Add want_return_expr.
11461 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11462 (find_omp_clause): Declare.
11463 (insert_field_into_struct): Declare.
11464 (struct walk_stmt_info): Move from tree-nested.c
11465 (walk_stmts): Declare.
11466 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11468 * cgraphunit.c (cgraph_lower_function): Make static.
11469 (cgraph_finalize_pending_functions): New.
11470 (cgraph_finalize_function): Call it.
11471 (cgraph_finalize_compilation_unit): Likewise.
11472 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11473 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11474 (BT_FN_UINT_UINT): New.
11475 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11476 DEF_FUNCTION_TYPE_VAR_4): Document.
11477 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11478 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11479 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11480 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11481 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11482 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11483 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11484 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11485 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11486 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11487 into separate files.
11488 (DEF_GOMP_BUILTIN): New.
11489 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11490 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11491 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11492 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11493 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11494 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11495 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11496 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11497 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11498 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11499 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11500 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11501 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11502 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11503 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11504 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11505 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11506 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11507 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11508 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11509 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11510 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11511 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11512 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11513 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11514 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11515 * sync-builtins.def: New file, moved from builtins.def.
11516 * omp-builtins.def: New file, moved from builtins.def.
11517 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11518 * gimple-low.c (lower_function_body): Clear data.
11519 (lower_stmt): Do not handle COMPOUND_EXPR.
11520 Remove call to print_node_brief.
11521 * c-tree.h (c_finish_omp_clauses): New prototype.
11522 (C_DECL_THREADPRIVATE_P): Define.
11523 (lookup_name_no_remap, c_omp_remap_private): Remove
11524 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11525 (check_for_loop_decls): Update decl.
11526 (lookup_name_no_remap, c_omp_remap_private): Declare.
11527 (build_indirect_ref, build_modify_expr, pushdecl,
11528 pushdecl_top_level): Move to c-common.h.
11529 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11530 before the switch, but just in the 2 places that need it.
11531 * c-decl.c (diagnose_mismatched_decls): Do not check for
11532 mismatched thread-local attributes when OLDDECL is marked
11533 threadprivate and NEWDECL has no thread-local attributes.
11534 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11535 (c_gimple_diagnostics_recursively): Rename from
11536 c_warn_unused_result_recursively. Invoke
11537 diagnose_omp_structured_block_errors.
11538 (check_for_loop_decls): Return a singular decl found.
11539 * langhooks.c (lhd_omp_predetermined_sharing): Return
11540 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11541 (lhd_omp_firstprivatize_type_sizes): New.
11542 (lhd_omp_assignment): New.
11543 (lhd_omp_predetermined_sharing): New.
11544 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11545 (struct lang_hooks_for_types): Add
11546 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11547 omp_predetermined_sharing, omp_disregard_value_expr,
11548 omp_private_debug_clause, omp_clause_default_ctor,
11549 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11550 (c_finish_omp_clauses): New.
11551 (c_finish_bc_stmt): Diagnose break within omp for.
11552 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11553 (build_unary_op): Return error_mark after reporting
11555 (build_modify_expr): Likewise.
11556 * gimplify.c: Include optabs.h and pointer-set.h.
11557 (enum gimplify_omp_var_data): Declare.
11558 (struct gimplify_omp_ctx): Declare.
11559 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11561 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11562 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11563 (splay_tree_compare_decl_uid): New.
11564 (new_omp_context): New.
11565 (delete_omp_context): New.
11566 (gimple_add_tmp_var): Call omp_add_variable.
11567 (gimplify_bind_expr): Likewise.
11568 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11569 true, disregard DECL_VALUE_EXPR on the decl if any.
11570 (gimplify_expr_in_ctx): New.
11571 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11572 omp_add_variable, omp_notice_variable, omp_is_private
11573 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11574 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11575 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11576 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11577 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11578 gimplify_omp_atomic): New.
11579 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11580 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11581 OMP_CRITICAL and OMP_ATOMIC.
11582 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11583 * c-pragma.h (enum pragma_kind): Add
11584 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11585 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11586 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11587 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11588 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11589 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11590 PRAGMA_OMP_THREADPRIVATE.
11591 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11592 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11593 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11594 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11595 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11596 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11597 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11598 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11599 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11600 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11601 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11602 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11603 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11605 (struct nesting_info): Add field_map,
11606 suppress_expansion, debug_var_chain.
11607 (create_nesting_tree): Initialize them.
11608 (lookup_field_for_decl): Use field_map.
11609 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11610 (convert_local_omp_clauses): New.
11611 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11612 (walk_body): Split out of walk_function.
11613 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11614 (convert_nonlocal_reference): Handle omp statements.
11615 (convert_local_reference): Likewise.
11616 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11617 (unnest_nesting_tree): New.
11618 (lower_nested_functions): Call it.
11619 (insert_field_into_struct): Make extern.
11620 (struct walk_stmt_info): Move to tree-gimple.h.
11621 (walk_stmts): Make extern.
11622 * omp-builtins.def: New file.
11623 * tree-iterator.c (expr_only): Clarify comment.
11624 * c-common.h (pushdecl_top_level, pushdecl,
11625 build_modify_expr, build_indirect_ref,
11626 c_finish_omp_master, c_finish_omp_critical,
11627 c_finish_omp_ordered, c_finish_omp_barrier,
11628 c_finish_omp_atomic, c_finish_omp_flush,
11629 c_finish_omp_for, c_split_parallel_clauses,
11630 omp_clause_default_kind, c_omp_sharing_predetermined,
11631 c_omp_remap_decl): Declare.
11632 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11633 (OBJS-common): Add omp-low.o.
11634 (c-omp.o, omp-low.o): Add.
11635 (gimplify.o): Add dependency on $(OPTABS_H).
11636 (GTFILES): Add omp-low.c.
11637 (gt-stringpool.h): Add.
11638 * tree-cfg.c (set_bb_for_stmt): Do not update the
11639 block-to-labels map if we are currently expanding to RTL.
11640 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11642 Handle IDENTIFIER_NODE.
11643 (tree_verify_flow_info): Do not ICE when emitting error
11644 messages about invalid labels.
11645 (dump_function_to_file): Reset CFUN before emitting the body
11647 (debug_function): New.
11648 * passes.c (init_optimization_passes): Schedule
11650 * langhooks-def.h (lhd_omp_predetermined_sharing,
11651 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11653 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11654 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11655 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11656 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11657 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11658 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11659 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11660 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11661 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11662 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11663 (LANG_HOOK_DECLS): Use them.
11665 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11666 Richard Henderson <rth@redhat.com>
11667 Jakub Jelinek <jakub@redhat.com>
11668 Diego Novillo <dnovillo@redhat.com>
11670 * c-parser.c (pragma_omp_clause): Define.
11671 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11672 (c_parser_compound_statement): Likewise.
11673 (c_parser_statement): Likewise.
11674 (c_parser_pragma): Handle omp pragmas.
11675 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11676 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11677 (c_parser_omp_clause_name, check_no_duplicate_clause,
11678 c_parser_omp_variable_list,
11679 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11680 c_parser_omp_clause_copyprivate,
11681 c_parser_omp_clause_default,
11682 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11683 c_parser_omp_clause_lastprivate,
11684 c_parser_omp_clause_nowait,
11685 c_parser_omp_clause_num_threads,
11686 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11687 c_parser_omp_clause_reduction,
11688 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11689 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11690 c_parser_omp_atomic, c_parser_omp_barrier,
11691 c_parser_omp_critical, c_parser_omp_flush,
11692 c_parser_omp_for_loop, c_parser_omp_for,
11693 c_parser_omp_master, c_parser_omp_ordered,
11694 c_parser_omp_sections_scope, c_parser_omp_sections,
11695 c_parser_omp_parallel, c_parser_omp_single,
11696 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11697 * c-pragma.c (init_pragma): Do omp pragma registration here.
11698 * c.opt (fopenmp): New flag.
11700 2006-01-18 Eric Christopher <echristo@apple.com>
11702 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11703 * config/darwin.h (GOMP_SELF_SPECS): Define.
11705 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11707 * rtl.h: Remove the prototype for reg_alloc.
11709 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11712 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11713 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11714 sjlj and dwarf2 exception handling.
11715 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11716 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11717 * pa/pa.c (function_value): Treat complex and vector types as
11719 (function_arg): Likewise. Only pass scalar floats in the floating
11720 point argument registers.
11721 * pa/t-slibgcc-dwarf-ver: New file.
11722 * pa/t-slibgcc-sjlj-ver: New file.
11723 * pa/t-slibgcc-elf-ver: Delete file.
11725 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11727 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11728 unlikely_test_section_p test.
11730 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11732 * mode-switching.c (optimize_mode_switching): Make it static.
11733 * basic-block.h: Remove the prototype for
11734 optimize_mode_switching.
11736 * modulo-sched.c (sms_schedule): Make it static.
11737 * rtl.h: Remove the prototype for sms_schedule.
11739 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11740 * rtl.h: Remove the prototype for gcse_after_reload_main.
11742 * reg-stack.c (reg_to_stack): Make it static.
11743 * rtl.h: Remove the prototype for reg_to_stack.
11745 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11747 * rtl.h: Remove the prototypes for regrename_optimize and
11748 copyprop_hardreg_forward.
11750 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11752 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11753 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11754 Test against the appropriate null constant for the mode.
11755 If 'fixup_overlap' is true, swap the operands if they overlap.
11756 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11757 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11758 alpha_split_tmode_pair and adjust for above change.
11759 * config/alpha/alpha.md (movtf_internal): Adjust call to
11760 alpha_split_tfmode_pair and rely on it to swap the operands.
11761 (movti_internal): New insn and post-reload splitter.
11762 (movti): New expander.
11764 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11766 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11769 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11771 * rtlanal.c (global_reg_mentioned_p_1,
11772 global_reg_mentioned_p): Remove.
11773 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11775 * flow.c (initialize_uninitialized_subregs): Make it static.
11776 * rtl.h: Remove the prototype for
11777 initialize_uninitialized_subregs.
11779 * function.c (instantiate_virtual_regs): Make it static.
11780 * function.h: Remove the prototype for
11781 instantiate_virtual_regs.
11783 * regmove.c (regmove_optimize, combine_stack_adjustments):
11785 * rtl.h: Remove the prototypes for regmove_optimize and
11786 combine_stack_adjustments.
11788 2006-01-17 Roger Sayle <roger@eyesopen.com>
11790 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11791 (size_cost): Encode costs in bytes so that a reg-reg addition is
11792 equivalent to COSTS_N_INSNS(1).
11793 (override_options): Use the size_cost.branch_cost as the default
11794 ix86_branch_cost when optimizing for size.
11796 2006-01-18 Ben Elliston <bje@au.ibm.com>
11798 * Makefile.in (D32PBIT_FUNCS): New.
11799 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11800 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11801 D64PBIT_FUNCS and D128PBIT_FUNCS.
11802 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11803 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11805 (decnumber_dep): Define.
11806 * doc/libgcc.texi (Decimal float library routines): New node.
11807 * config/dfp-bit.h, config/dfp-bit.c: New files.
11809 2006-01-18 Ben Elliston <bje@au.ibm.com>
11811 * expr.c (emit_move_change_mode): Always adjust addresses, not
11812 just during reload. Copy replacements only during reload.
11813 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11814 emit_move_via_integer.
11816 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11818 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11819 instead of $(srcdir) and ${srcdir}.
11821 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11824 PR middle-end/11135
11825 * arm.h (struct machine_function): Add pic_reg.
11826 * arm.c (arm_pic_register): Make unsigned.
11827 (arm_override_options): Only set arm_pic_register if
11828 TARGET_SINGLE_PIC_BASE.
11829 (use_return_insn): Only test for a pic register if it is fixed.
11830 (arm_compute_save_reg0_reg12_mask): Likewise.
11831 (thumb_compute_save_reg_mask): Likewise.
11832 (legitimate_pic_operand): Factor out some known invariants.
11833 (legitimize_pic_address): If we don't have a fixed pic register,
11834 then set up a pseudo in the function entry sequence. Handle the
11835 pic base being in a pseudo.
11836 (arm_load_pic_register): Handle the pic register being in a pseudo.
11837 (arm_expand_prologue): Only set up the pic register if it is fixed.
11838 (thumb_expand_prologue): Likewise.
11839 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11840 (pic_load_addr_based_insn): Likewise.
11841 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11844 2006-01-18 Ben Elliston <bje@au.ibm.com>
11846 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11847 decimal float modes for all floating point registers.
11849 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11850 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11852 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11855 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11856 even when the pointer is not NULL.
11858 2006-01-16 Ian Lance Taylor <ian@airs.com>
11860 * common.opt (ftoplevel-reorder): New option.
11861 * cgraph.c (cgraph_asm_nodes): New global variable.
11862 (cgraph_asm_last_node): New static variable.
11863 (cgraph_order): New global variable.
11864 (cgraph_create_node): Set new order field.
11865 (cgraph_varpool_node): Likewise.
11866 (decide_is_variable_needed): Return true if not
11867 flag_toplevel_reorder.
11868 (cgraph_add_asm_node): New function.
11869 * cgraph.h (struct cgraph_node): Add order field.
11870 (struct cgraph_varpool_node): Add order field.
11871 (struct cgraph_asm_node): Define.
11872 (cgraph_asm_nodes, cgraph_order): Declare.
11873 (cgraph_add_asm_node): Declare.
11874 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11876 (cgraph_varpool_assemble_pending_decls): Call it.
11877 (cgraph_output_pending_asms): New static function.
11878 (cgraph_finalize_compilation_unit): Call it.
11879 (struct cgraph_order_sort): Define.
11880 (cgraph_output_in_order): New static function.
11881 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11882 !flag_toplevel_reorder case.
11883 * c-parser.c: Include "cgraph.h".
11884 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11886 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11887 than -fno-unit-at-a-time.
11888 * doc/invoke.texi (Option Summary): Mention
11889 -fno-toplevel-reorder.
11890 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11891 -funit-at-a-time documentation.
11893 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11894 Kazu Hirata <kazu@codesourcery.com>
11896 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11898 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11900 * Makefile.in (FUNCTION_H): New. Use it instead of
11901 function.h throughout the file.
11902 * function.h: Include tree.h.
11904 2006-01-17 Ben Elliston <bje@au.ibm.com>
11906 * recog.c: Separate some functions with whitespace.
11908 2006-01-16 Richard Henderson <rth@redhat.com>
11910 Merge from gomp branch:
11911 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11912 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11913 and rename from struct inline_data. Rename callee* to dst*;
11914 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11915 transform_new_cfg, transform_return_to_modify, and
11916 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11918 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11919 (copy_decl_for_dup): Remove.
11920 * tree-inline.c (struct inline_data): Move to header.
11921 (insert_decl_map): Export.
11922 (remap_decl): Update for member name changes. Use copy_decl hook.
11923 Allow for replacement to be a non-decl. Remove dead code.
11924 (remap_type_1): Check for existing mapping.
11925 (remap_type): Export.
11926 (remap_decls): Update for member name changes.
11927 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11928 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11929 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11930 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11931 (tree_function_versioning, build_duplicate_type): Likewise.
11932 (copy_body_r): Likewise. Export.
11933 (copy_decl_for_dup): Split into ...
11934 (copy_decl_for_dup_finish, copy_decl_to_var,
11935 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11936 (replace_ref_tree, inlining_p): Remove.
11938 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11940 * ifcvt.c (if_convert): Make it static.
11941 * rtl.h: Remove the prototype for if_convert.
11943 * local-alloc.c (local_alloc): Make it static.
11944 * rtl.h: Remove the prototype for local_alloc.
11946 * loop.c (loop_optimize): Make it static.
11947 * cfgloop.h: Remove the prototype for loop_optimize.
11950 2006-01-16 DJ Delorie <dj@redhat.com>
11952 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11955 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11957 * pa.md: Disparage copies between general and floating-point registers
11958 in 32-bit move patterns.
11960 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11963 * Makefile.in (check-%): Depend on site.exp instead of
11964 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11967 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11969 * global.c (global_alloc): Make it static.
11970 * rtl.h: Remove the prototype for global_alloc.
11972 2006-01-16 Richard Guenther <rguenther@suse.de>
11974 * tree-ssa-alias.c (struct used_part): Add write_only field.
11975 (get_or_create_used_part_for): Initialize it to true.
11976 (create_overlap_variables_for): Don't create structure variables
11977 for structures that only are written to.
11978 (find_used_portions): Handle MODIFY_EXPR to track whether a
11979 structure is only written to.
11981 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11983 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11985 * basic-block.h: Remove the prototype for
11986 partition_hot_cold_basic_blocks.
11988 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11990 * cppspec.c (lang_specific_spec_functions): Remove.
11991 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11992 * gcc.h (lang_specific_spec_functions): Remove.
11993 * gccspec.c (lang_specific_spec_functions): Remove.
11995 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11997 * combine.c (record_value_for_reg): Invalidate registers
11999 (record_dead_and_set_regs_1): Likewise, by passing them to
12000 record_value_for_reg.
12001 (record_dead_and_set_regs): Invalidate stores made by a
12002 call. We do not combine across a call, but we still
12003 relied on equivalences.
12005 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12007 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12008 vrp_int_const_binop returning non-constant nodes.
12010 2006-01-16 Paul Brook <paul@codesourcery.com>
12012 * config/m68k/m68k.c (output_move_const_into_data_reg):
12013 Output correct mnemonic for mvz and mvs.
12015 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12017 * rtl-factoring.c: Add sequence abstraction algorithm.
12018 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12019 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12021 (block_has_preserve_label): New function.
12022 * common.opt: Register new pass.
12023 * Makefile.in: Ditto.
12025 * timevar.def: Ditto.
12026 * tree-pass.h: Ditto.
12027 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12028 * rtl.h (make_jump_insn_raw): Add forward decl.
12029 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12031 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12032 Roger Sayle <roger@eyesopen.com>
12034 * fold-const.c (fold_minmax): New static function.
12035 (fold_binary) <MIN_EXPR>: Call it.
12036 <MAX_EXPR>: Likewise.
12037 * stor-layout.c (place_field): Use DECL_SIZE consistently
12038 in the computation of the new record size.
12040 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12042 * cse.c (cse_condition_code_reg): Make it static.
12043 * rtl.h: Remove the prototype for cse_condition_code_reg.
12045 * combine.c (combine_instructions): Make it static.
12046 * rtl.h: Remove the prototype for combine_instructions.
12048 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12051 * tree.c (get_file_function_name_long): Concatenate the first global
12052 object name with a string derived from the input filename of the object
12055 2006-01-16 Ben Elliston <bje@au.ibm.com>
12057 * config/i386/winnt-stubs.c: Update FSF address.
12058 * config/xtensa/ieee754-df.S: Ditto.
12059 * config/xtensa/ieee754-sf.S: Ditto.
12061 2006-01-14 Ian Lance Taylor <ian@airs.com>
12063 * ifcvt.c (noce_init_if_info): New static function, broken out of
12064 noce_process_if_block.
12065 (noce_process_if_block): Call noce_init_if_info.
12066 (check_cond_move_block): New static function.
12067 (cond_move_process_if_block): New static function.
12068 (process_if_block): Call cond_move_process_if_block.
12070 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12072 * cselib.c (hash_table): Rename to cselib_hash_table.
12073 (cselib_clear_table, discard_useless_values,
12074 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12075 cselib_init, cselib_finish): Adjust uses of hash_table.
12077 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12079 PR tree-optimization/25485
12080 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12081 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12082 is known to be false and true, respectively.
12084 2006-01-14 Richard Guenther <rguenther@suse.de>
12086 PR tree-optimization/22548
12087 PR tree-optimization/22555
12088 PR tree-optimization/22501
12089 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12090 * params.def (salias-max-array-elements): New parameter.
12091 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12092 * doc/invoke.texi (salias-max-array-elements): Document.
12093 * tree-flow-inline.h (var_can_have_subvars): We also handle
12095 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12097 * tree-ssa-structalias.c (params.h): Include.
12098 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12099 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12100 (get_constraint_for): For ADDR_EXPR operating on something
12101 containing an ARRAY_REF, add all subvars to the solution.
12102 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12103 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12104 for creating MUST_DEFs.
12105 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12107 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12109 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12111 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12112 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12113 number_of_iterations_le): New functions.
12114 (number_of_iterations_special): Removed.
12115 (number_of_iterations_exit): Do not use number_of_iterations_special.
12116 * tree.c (unsigned_type_for): Always return integer type.
12118 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12119 Richard Guenther <rguenther@suse.de>
12121 PR rtl-optimization/24257
12122 * gcse.c (find_moveable_store): Only consider a store movable
12123 when the SET_SRC of the insn can be assigned to a register.
12125 2006-01-14 Ian Lance Taylor <ian@airs.com>
12127 * tree.c (tree_not_class_check_failed): New function.
12128 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12129 (tree_not_class_check_failed): Declare.
12131 2006-01-13 Ian Lance Taylor <ian@airs.com>
12133 * reload1.c (do_output_reload): Add assertion rejecting a
12136 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12138 * combine.c (struct reg_stat): Add new fields truncation_label and
12140 (record_value_for_reg): Reset truncated_to_mode.
12141 (record_truncated_value): New function.
12142 (check_promoted_subreg): Call it. Rename to check_conversions.
12143 (combine_instructions): Rename check_promoted_subreg to
12145 (reg_truncated_to_mode): New function.
12146 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12147 (gen_lowpart_or_truncate): New function.
12148 (force_to_mode): Use it instead of gen_lowpart.
12150 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12152 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12153 VAR is a tag, not its type tag.
12155 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12157 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12158 alternatives to match style of other entries.
12159 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12161 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12163 PR tree-optimization/25771
12164 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12167 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12170 * tree-inline.c (declare_return_variable): If the return variable
12171 was marked as a non gimple complex, set the return slot variable
12172 to be a non gimple comple variable.
12174 2006-01-13 Richard Guenther <rguenther@suse.de>
12176 * builtins.c (expand_builtin_sincos): New function.
12177 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12179 (expand_builtin): Expand sincos using expand_builtin_sincos.
12181 2006-01-12 DJ Delorie <dj@redhat.com>
12183 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12184 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12185 so that constant shifts can be split.
12186 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12187 (m32c_valid_pointer_mode): Make static.
12188 (shift_gen_func_for): New.
12189 (m32c_prepare_shift): Use it. Split large const shifts into
12191 * config/m32c/predicates.md (shiftcount_operand): Allow more
12193 (longshiftcount_operand): New.
12194 * doc/md.texi (Machine Constraints): Document In6.
12196 2006-01-13 Ben Elliston <bje@au.ibm.com>
12198 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12199 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12202 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12204 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12205 to try to avoid clobbering pieces of structures when we know
12206 something about the whole structure.
12207 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12209 2006-01-13 Ben Elliston <bje@au.ibm.com>
12211 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12212 return in memory, as this is no limitation is no longer present.
12214 2006-01-12 DJ Delorie <dj@redhat.com>
12216 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12217 mova with fb, and for fb+0 -> An.
12219 * config/m32c/mov.md (peephole2): Fix enabling logic.
12221 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12222 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12223 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12224 FINI_ARRAY_SECTION_ASM_OP): Define.
12226 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12228 (m32c_legitimize_reload_address): New logic to reload FB to An.
12229 (m32c_output_reg_push): Add newline.
12230 (m32c_output_reg_pop): Likewise.
12232 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12234 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12236 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12238 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12240 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12242 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12245 2006-01-11 Ben Elliston <bje@au.ibm.com>
12247 * rtlanal.c (find_reg_note): Assert insn is not null.
12249 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12251 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12254 2006-01-11 Jeff Law <law@redhat.com>
12256 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12258 (mark_threaded_blocks, register_jump_thread): New functions.
12259 (thread_through_all_blocks): Remove unwanted argument. No
12260 longer rely on e->aux to communicate thread target info.
12261 Call mark_threaded_blocks. Release the threaded_blocks
12262 bitmap and threaded_edges vector when complete.
12263 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12264 (threaded_blocks): Remove.
12265 (tree_ssa_dominator_optimize): Remove initialization and
12266 finalization of threaded_blocks. Simplify call to
12267 thread_through_all_blocks.
12268 (thread_across_edge): Call register_jump_thread rather than
12269 storing thread information into e->aux.
12270 (free_all_edge_infos): Simplify now that e->aux is no longer
12271 used to communicate with thread_through_all_blocks.
12272 * tree-flow.h (thread_through_all_blocks): Update prototype.
12273 (register_jump_thread): Prototype.
12275 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12277 * df-core.c (df_compact_blocks, df_bb_replace): Use
12278 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12280 2006-01-11 Richard Guenther <rguenther@suse.de>
12282 PR tree-optimization/25734
12283 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12284 stop propagation after successful propagation to the LHS.
12286 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12288 * basic-block.h (control_flow_graph): Change the type of
12289 x_basic_block_info to VEC(basic_block,gc) *.
12290 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12292 (SET_BASIC_BLOCK): New.
12293 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12294 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12295 * cfgbuild.c (find_basic_blocks): Likewise.
12296 * cfglayout.c (fixup_reorder_chain): Likewise.
12297 * cfgrtl.c (create_basic_block_structure,
12298 rtl_create_basic_block): Likewise.
12299 * ifcvt.c (find_if_case_1): Likewise.
12300 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12303 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12305 * Makefile.in: Removed rotted odf.c entry.
12307 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12310 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12311 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12312 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12313 output pattern modifier, not %e.
12314 * config/cris/cris.c (cris_op_str): Update comment about pattern
12316 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12317 before falling through into...
12318 <case 'E'>: Redefined from old 'e' case.
12320 2006-01-11 Jan Hubicka <jh@suse.cz>
12323 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12325 2006-01-11 Jan Hubicka <jh@suse.cz>
12327 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12328 * i386.c (x86_decompose_lea): Kill.
12329 (ix86_rtx_costs): Kill.
12331 2006-01-11 Jan Hubicka <jh@suse.cz>
12333 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12334 * cgraph.h (cgraph_node): Add inline_decl.
12335 (cgraph_insert_node_to_hashtable): Declare.
12336 (save_inline_function_body): Declare.
12337 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12339 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12340 (cgraph_function_versioning): Update call of tree_function_versioning.
12341 (save_inline_function_body): New function.
12342 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12343 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12344 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12345 (cgraph_default_inline_p): Likewise.
12346 (cgraph_decide_inlining_incrementally): Likewise.
12347 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12348 (copy_bb): Kill saving; do updating of clones.
12349 (copy_cfg_body): Kill saving.
12350 (initialize_inlined-parameters): Likewise.
12351 (expand_call_inline): Likewise.
12353 (tree_function_versioning): New parameter "update_clones".
12354 (inlining_p): Kill saving.
12355 * tree-inline.h (tree_function_versioning): Update prototype.
12356 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12359 2006-01-11 Ian Lance Taylor <ian@airs.com>
12361 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12362 Allow undoing set of machine mode.
12363 (do_SUBST): Use enums instead of is_int.
12364 (do_SUBST_MODE): New function.
12365 (SUBST_MODE): New macro.
12366 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12367 reg and trying to replace reg_regno_rtx with a new register.
12368 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12369 (simplify_set): Use SUBST_MODE.
12370 (distribute_notes): Remove code that tried to update reg notes
12371 for regno_reg_rtx changes.
12373 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12375 PR tree-optimization/23109
12376 PR tree-optimization/23948
12377 PR tree-optimization/24123
12379 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12380 * tree-cfg.c (single_noncomplex_succ): New.
12381 * tree-flow.h (single_noncomplex_succ): Declare it.
12382 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12383 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12384 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12385 insert_bb, register_division_in, insert_reciprocals,
12386 replace_reciprocal, free_bb): New.
12387 (execute_cse_reciprocals_1): Rewritten.
12388 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12389 Do not commit any edge insertion. Always compute dominators and
12390 create the allocation pool.
12391 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12392 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12393 * targhooks.c (default_min_divistions_for_recip_mul): New.
12394 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12395 * passes.c (init_optimization_passes): Run recip after tree loop
12397 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12399 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12400 Kenneth Zadeck <zadeck@naturalbridge.com>
12402 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12403 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12404 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12405 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12406 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12407 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12408 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12409 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12410 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12411 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12412 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12413 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12414 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12415 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12416 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12417 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12418 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12419 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12420 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12421 DF_SCAN_POST_ALLOC): New macros.
12422 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12423 df_free_bb_function, df_local_compute_function, df_init_function,
12424 df_dataflow_function, df_confluence_function_0,
12425 df_confluence_function_n, df_transfer_function,
12426 df_finalizer_function, df_free_function, df_dump_problem_function,
12427 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12428 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12429 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12430 df_urec_bb_info, ) New types.
12431 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12433 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12434 df_analyze_simple_change_some_blocks,
12435 df_analyze_simple_change_one_block, df_compact_blocks,
12436 df_bb_replace, df_bb_regno_last_use_find,
12437 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12438 df_insn_regno_def_p, df_find_def, df_find_use,
12439 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12440 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12441 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12442 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12443 debug_df_chain, df_get_dependent_problem, df_chain_create,
12444 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12445 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12446 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12447 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12448 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12449 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12450 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12451 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12452 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12453 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12454 df_reorganize_refs, df_set_state, df_hard_reg_init,
12455 df_read_modify_subreg_p) New public functions.
12456 * df-core.c: The core dataflow solver and glue routines for rtl
12458 (df_init, df_add_problem, df_set_blocks, df_finish,
12459 df_hybrid_search_forward, df_hybrid_search_backward,
12460 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12461 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12462 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12463 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12464 df_reg_defined, df_find_use, df_reg_used, df_dump,
12465 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12466 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12467 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12468 debug_df_useno, reset_df_after_reload): New functions.
12469 * df-scan.c: The scanning fuctions, once in df.c, completely
12470 rewritten so that they now fully model the functionality of
12471 register usage at the backend.
12472 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12473 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12474 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12475 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12476 df_get_artificial_defs, df_get_artificial_uses,
12477 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12478 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12479 df_refs_delete, df_reorganize_refs, df_set_state,
12480 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12481 df_def_record_1, df_defs_record, df_uses_record,
12482 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12483 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12484 df_record_exit_block_uses, df_hard_reg_init): New functions.
12486 * df-problems.c: Seven concrete dataflow problems that use the
12487 scanning in df-scan.c and are solved by the engine in df-core.c.
12488 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12489 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12490 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12491 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12492 df_ru_free_bb_info, df_ru_alloc,
12493 df_ru_bb_local_compute_process_def,
12494 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12495 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12496 df_ru_transfer_function, df_ru_free, df_ru_dump,
12497 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12498 df_rd_free_bb_info, df_rd_alloc,
12499 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12500 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12501 df_rd_transfer_function, df_rd_free, df_rd_dump,
12502 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12503 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12504 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12505 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12506 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12507 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12508 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12509 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12510 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12511 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12512 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12513 df_urec_mark_reg_use_for_earlyclobber,
12514 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12515 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12516 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12517 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12518 df_chain_create_bb_process_use, df_chain_create_bb,
12519 df_chain_finalize, df_chain_free, df_chains_dump,
12520 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12521 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12522 df_reg_lifetime): New functions.
12523 * df.c: Deleted file.
12524 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12525 consistent with new df api.
12526 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12527 rest_of_handle_sms): Ditto.
12528 * web.c (unionfind_union, union_defs, entry_register, web_main):
12530 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12531 invariant_expr_equal_p, find_defs, check_dependencies,
12532 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12533 free_inv_motion_data, move_loop_invariants): Ditto.
12534 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12535 Update dependencies.
12536 (odf.c): Added defective entry that was deleted later in day.
12537 * sched-deps.c (sched_analyze_1): Ditto.
12539 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12541 * tree-ssa-operands.c (get_expr_operands): Record addressable
12542 variables directly. Do not call add_stmt_operands for CONST_DECLs
12544 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12545 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12547 2006-01-11 Ben Elliston <bje@au.ibm.com>
12549 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12550 function returns true in the positive case.
12552 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12555 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12556 for SI, DI, SF and DF modes. Add alternatives to copy between
12557 general and floating point registers to the 32-bit patterns.
12558 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12559 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12560 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12561 generating 64-bit code.
12562 * config/pa/pa.c (output_move_double): Handle copies between general
12563 and floating registers.
12565 2006-01-10 Stuart Hastings <stuart@apple.com>
12567 * config/i386/i386.md (set_got): Update.
12568 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12569 (builtin_setjmp_receiver): Mach-O support.
12570 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12571 (GOT_SYMBOL_NAME): Define.
12572 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12573 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12574 * config/i386/i386.c (override_options): Revise for Darwin.
12575 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12576 support. (darwin_x86_file_end): New. (output_set_got): Add label
12577 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12578 * config/i386/i386-protos.h (output_set_got): Likewise.
12579 * config/darwin.c (machopic_legitimize_pic_address): Update
12582 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12584 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12585 when MODE isn't BLKmode.
12587 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12589 PR rtl-optimization/25367
12590 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12592 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12595 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12596 for a negative bound.
12598 2006-01-10 Richard Guenther <rguenther@suse.de>
12600 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12601 Never override with anything constraint.
12603 2006-01-10 Jan Beulich <jbeulich@novell.com>
12605 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12606 256 bits when optimize_size.
12608 2006-01-10 Jan Beulich <jbeulich@novell.com>
12610 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12612 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12613 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12616 2006-01-10 Ben Elliston <bje@au.ibm.com>
12618 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12620 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12621 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12622 (USE_FP_FOR_ARG): Reject decimal float modes.
12623 (function_arg_advance): Likewise.
12624 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12625 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12626 point types in AltiVec vectors.
12627 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12628 (rs6000_libcall_value): Likewise.
12630 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12632 * config/xtensa/ieee754-df.S: New file.
12633 * config/xtensa/ieee754-sf.S: New file.
12634 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12635 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12636 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12638 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12640 * config/sh/predicates.md (binary_float_operator,
12641 binary_logical_operator, commutative_float_operator,
12642 equality_comparison_operator, greater_comparison_operator,
12643 less_comparison_operator, logical_operator,
12644 noncommutative_float_operator, shift_operator,
12645 symbol_ref_operand, unary_float_operator): Remove redundant
12648 2006-01-09 Jeff Law <law@redhat.com>
12650 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12651 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12652 now unused arguments. Callers updated.
12653 (eliminate_redundant_computations): Remove now unused arguments,
12655 (local_fold): Remove, no longer used.
12656 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12658 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12659 (simplify_cond): New function.
12660 (forward_propagate_into_cond): Call simplify_cond.
12662 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12664 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12665 (*vec_extractv2di_1_sse): New.
12667 2006-01-09 Ben Elliston <bje@au.ibm.com>
12669 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12671 2006-01-08 Richard Guenther <rguenther@suse.de>
12673 * tree-ssa-structalias.c (get_constraint_for): Remove
12674 anyoffset argument.
12675 (get_constraint_for_component_ref): Likewise.
12676 (do_deref): Likewise.
12677 (get_constraint_for): Likewise.
12678 (do_structure_copy): Likewise.
12679 (handle_ptr_arith): Likewise.
12680 (find_func_aliases): Likewise. Remove unused need_anyoffset
12683 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12684 Kaz Kojima <kkojima@gcc.gnu.org>
12686 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12687 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12688 (EXTRA_CONSTRAINT_C16): Remove.
12689 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12690 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12691 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12692 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12693 constants of SHmedia. Handle nested constant expressions of
12695 (andcosts): Fix the costs for SHmedia constants.
12696 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12697 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12698 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12699 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12700 (movv4hi_i, movv2si_i): Likewise.
12701 (movsi_const): Adjust the second operand of ior so to match with
12702 the Csu constraint.
12703 (movdi_const, movdi_const_32bit): Likewise.
12704 (movdi_const_16bit+1): Don't sign-extend LOW.
12705 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12707 (*double_shori): Fix the split condition. Use GEN_INT instead
12708 of get_int_mode calls. Mask lower 16-bit of the argument of
12710 (sym2GOTPLT): Remove.
12711 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12713 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12714 instead of EXTRA_CONSTRAINT_C16.
12716 2006-01-07 Ian Lance Taylor <ian@airs.com>
12717 David Edelsohn <edelsohn@gnu.org>
12719 PR rtl-optimization/25662
12720 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12721 for constant operands instead of simplify_gen_binary.
12722 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12723 after trying simplify_binary_operation
12725 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12727 * tree.c (iterative_hash_expr): Hash decls based on UID.
12729 2006-01-06 Eric Christopher <echristo@apple.com>
12731 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12732 (TARGET_UNWIND_EMIT): Fix spelling.
12733 * target.h (gcc_target): Add except_table_label.
12734 * except.c (output_function_exception_table): Use.
12735 * varasm.c (default_emit_except_table_label): New.
12736 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12738 (asm_out): Add here.
12739 * output.h (default_emit_except_table_label): Prototype.
12740 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12741 * config/darwin.c (darwin_emit_except_table_label): Define.
12742 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12744 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12746 PR tree-optimization/18527
12747 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12748 number_of_iterations_special, number_of_iterations_exit):
12749 Move base and step of an iv to a single structure. Add
12750 no_overflow flag, and use it in # of iterations analysis.
12751 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12752 folded_casts argument.
12753 (simple_iv): Pass base and step in a structure. Set no_overflow
12755 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12756 Evaluate expensiveness of computing # of iterations instead of
12757 the final expression.
12758 * tree-scalar-evolution.h (affine_iv): New structure.
12759 (simple_iv): Declaration changed.
12760 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12761 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12762 find_givs_in_stmt): Changed due to simple_iv change.
12764 2006-01-06 Jeff Law <law@redhat.com>
12767 * tree-cfg.c (bsi_replace): Rename final argument from
12768 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12769 change (stmt -> orig_stmt).
12770 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12771 (bsi_remove): Add new argument. Remove EH information
12773 (verify_eh_throw_table_statements): New function.
12774 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12776 * tree-optimize.c (execute_free_cfg_annotations): Verify
12777 the EH throw statement table after removing annotations.
12778 * except.h (verify_eh_throw_table_statements): Prototype.
12779 * tree-flow.h (bsi_remove): Update prototype.
12780 * tree-vrp.c (remove_range_assertions): Add new argument to
12782 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12783 * tree-complex.c (expand_complex_div_wide): Likewise.
12784 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12785 * tree-tailcall.c (eliminate_tailcall): Likewise.
12786 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12787 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12788 * tree-nrv.c (tree_nrv): Likewise.
12789 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12790 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12791 (combine_blocks): Likewise.
12792 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12793 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12794 (cleanup_control_flow): Likewise.
12795 (remove_forwarder_block): Likewise.
12796 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12797 * tree-sra.c (sra_replace): Likewise.
12798 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12799 (forward_propagate_single_use_vars): Likewise.
12800 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12801 * tree-inline.c (expand_call_inline): Likewise.
12802 * tree-vect-transform.c (vect_transform_loop): Likewise.
12803 * tree-outof-ssa.c (rewrite_trees): Likewise.
12804 * tree-cfg.c (make_goto_expr_edges): Likewise.
12805 (cleanup_dead_labels): Likewise.
12806 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12807 (bsi_move_before, bsi_move_after): Likewise.
12808 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12809 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12811 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12814 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12816 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12817 on non gimple variables. Also add checks at the top for decls and
12819 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12821 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12822 and IMAGPART_EXPR for creating MUST_DEFs.
12823 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12824 and NAME_MEMORY_TAG separately from the DECLs.
12826 2006-01-06 Richard Guenther <rguenther@suse.de>
12828 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12829 annotation, if necessary.
12830 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12831 redundant calls to update_stmt.
12832 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12835 2006-01-05 Richard Henderson <rth@redhat.com>
12837 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12839 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12841 * c-typeck.c: Update copyright date.
12843 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12845 * c-typeck.c (build_c_cast): Always warn when casting
12846 from a pointer to an integer of different size, even if
12847 the node was constant.
12849 2006-01-05 Richard Guenther <rguenther@suse.de>
12851 PR tree-optimization/22555
12852 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12853 if one structure field is an array.
12854 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12855 operands even if we found a subvar, but ignore VOPs in this
12857 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12859 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12861 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12863 PR middle-end/24998
12864 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12866 2006-01-05 Richard Guenther <rguenther@suse.de>
12867 Diego Novillo <dnovillo@redhat.com>
12869 * tree-pass.h (TODO_remove_unused_locals): Define.
12870 * gimple-low.c (expand_var_p, remove_useless_vars,
12871 pass_remove_useless_vars): Remove. Update all users.
12872 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12873 (remove_unused_locals): New function.
12874 * tree-flow.h (remove_unused_locals): Declare.
12875 * passes.c (execute_todo): Call remove_unused_locals if
12876 TODO_remove_unused_locals is set.
12877 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12878 * tree-ssa-dce.c (pass_dce): Likewise.
12879 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12881 2006-01-05 Richard Guenther <rguenther@suse.de>
12883 * tree-flow.h (struct fieldoff): Decompose field to
12884 type, size and decl.
12885 * tree-ssa-alias.c (create_sft): Take type as parameter.
12886 (create_overlap_variables_for): Store type, size and decl
12887 in the fieldoff structure.
12888 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12889 of struct fieldoff.
12890 (push_fields_onto_fieldstack): Likewise.
12891 (create_variable_info_for): Likewise. Use offset for the
12892 SFT name if the decl is not available.
12894 2006-01-04 Paul Brook <paul@codesourcery.com>
12896 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12898 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12900 * lambda-code.c (can_put_in_inner_loop): Relax
12902 (can_put_after_inner_loop): New function.
12903 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12904 (perfect_nestify): Change to make copies and modify uses.
12906 2006-01-04 Richard Henderson <rth@redhat.com>
12908 Merge from gomp branch:
12909 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12910 via integer constant.
12911 (pragma_lex): Remove.
12912 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12913 rather than parsing it.
12914 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12915 handle_pragma_extern_prefix): Add %< %> quotes.
12916 (registered_pragmas): New.
12917 (c_register_pragma_1): New.
12918 (c_register_pragma): Use it.
12919 (c_register_pragma_with_expansion): Likewise.
12920 (c_invoke_pragma_handler): New.
12921 (init_pragma): Use cpp_register_deferred_pragma directly for
12923 * c-pragma.h (enum pragma_kind): New.
12924 (pragma_handler): New.
12925 (c_invoke_pragma_handler): Declare.
12926 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12928 * c-common.h (c_common_pch_pragma): Update decl.
12929 * Makefile.in (c-parser.o): Update dependencies.
12930 (GTFILES): Add c-pragma.h.
12931 * c-parser.c (struct c_token): Add pragma_kind.
12932 (struct c_parser): Add in_pragma.
12933 (c_lex_one_token): Always initialize keyword and pragma_kind.
12934 Extract data for CPP_PRAGMA.
12935 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12936 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12937 Don't allow CPP_PRAGMA_EOL if in_pragma.
12938 (c_parser_consume_pragma): New.
12939 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12940 (c_parser_skip_to_end_of_parameter): Likewise.
12941 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12942 (c_parser_skip_to_pragma_eol): New.
12943 (c_parser_external_declaration): Handle CPP_PRAGMA.
12944 (c_parser_compound_statement_nostart): Likewise.
12945 (c_parser_statement_after_labels): Likewise.
12946 (c_parser_pragma): New.
12947 (pragma_lex): Likewise.
12948 (c_parser_pragma_pch_preprocess): New.
12949 (c_parser_new): Merge into ...
12950 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12952 2006-01-04 Jeff Law <law@redhat.com>
12955 * tree-cfg.c (bsi_replace): Remove the original statement
12956 from the EH throw statement table.
12958 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12960 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12961 make the prototype extern "C" and add throw ().
12964 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12965 and pos non-negative and pos + len <= 32.
12966 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12967 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12968 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12971 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12972 as well as sizes not multiple of component size.
12975 * function.c (instantiate_expr): New function.
12976 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12977 walk its DECL_VALUE_EXPR with instantiate_expr.
12979 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12980 DW_OP_deref{,_size} if address isn't going to be added.
12982 2006-01-04 Ben Elliston <bje@au.ibm.com>
12984 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12985 * config/fp-bit.c: Likewise.
12987 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12989 * dominance.c: Add comment about why we use DFS numbering
12992 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12993 Richard Henderson <rth@redhat.com>
12995 Merge from gomp-branch:
12996 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12997 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12999 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13001 PR rtl-optimization/25578
13002 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13003 pass a parameter to simplify_shift_const if changing ASHIFTRT
13006 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13008 * builtins.c (get_builtin_sync_mem): New function.
13009 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13010 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13011 Call get_builtin_sync_mem to generate mem rtx.
13013 2006-01-03 Richard Guenther <rguenther@suse.de>
13016 * stmt.c (add_case_node): Make sure to clear overflow flags
13019 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13021 Merge from gomp-branch.
13022 * config/sparc/sync.md: New file.
13023 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13024 UNSPECV_LDSTUB): New constants.
13025 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13026 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13027 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13030 2006-01-03 Roger Sayle <roger@eyesopen.com>
13032 * combine.c (reg_subword_p): New predicate to test whether the
13033 destination of a set refers to a subword/piece of a register.
13034 (try_combine): Generalize the code to merge the setting of a
13035 pseudo to a constant followed by a set of a subword of that
13036 register to a constant.
13038 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13040 * basic-block.h (control_flow_graph): Change the type of
13041 x_label_to_block_map to VEC(basic_block,gc) *.
13042 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13043 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13045 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13046 VEC(basic_block,heap) *.
13047 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13048 ssa_prop_fini): Adjust the uses of cfg_blocks.
13050 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13052 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13054 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13055 hashing trees instead of a pointer hash.
13056 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13057 compare for MEM_EXPR.
13059 PR rtl-optimization/25130
13060 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13061 when comparing MEMs for GCSE
13063 2006-01-03 Ben Elliston <bje@au.ibm.com>
13065 * targhooks.h (default_decimal_float_supported_p): Declare.
13066 * targhooks.c (default_decimal_float_supported_p): Define.
13067 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13068 `default_decimal_float_supported_p'.
13069 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13071 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13073 * combine.c (apply_distributive_law <SUBREG>): Check
13074 TRULY_NOOP_TRUNCATION.
13076 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13078 * dwarf2out.c (have_switched_text_section): Delete.
13079 (have_multiple_function_sections): New.
13080 (have_location_lists): Make 'bool'.
13081 (add_AT_loc_list): Use 'true' not '1'.
13082 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13083 (output_loc_list): Use have_multiple_function_sections.
13084 (output_ranges): Likewise.
13085 (dwarf2out_begin_function): Set have_multiple_function_sections if
13087 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13088 Check function_section rather than DECL_SECTION_NAME.
13089 (dwarf2out_finish): Use have_multiple_function_sections.
13090 Don't clear have_location_lists.
13092 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13093 Jan Hubicka <jh@suse.cz>
13095 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13096 case of conditional jump jumping to the next instruction.
13097 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13098 cases of conditional jump jumping to the next instruction.
13100 2006-01-02 Jan Hubicka <jh@suse.cz>
13102 * i386.c (*_cost): Add COSTS_N_INSNS.
13103 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13105 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13108 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13110 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13112 * config/arm/arm.c (all_fpus): Fix comment typo.
13113 * config/darwin.c: Likewise.
13114 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13115 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13116 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13118 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13120 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13121 (rs6000_split_compare_and_swapqhi): New.
13122 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13123 (sync_compare_and_swapqhi_internal): New.
13124 * config/rs6000/rs6000-protos.h: Declare.