1 2006-07-12 Mike Stump <mrs@apple.com>
3 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5 2006-07-10 Eric Christopher <echristo@apple.com>
7 * config/t-slibgcc-darwin: Rewrite.
9 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
12 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
15 2006-07-08 Matthias Klose <doko@debian.org>
17 * doc/sourcebuild.texi: Fix typo.
19 2006-07-07 Mike Stump <mrs@apple.com>
21 * toplev.c (process_options): Don't give -ffunction-sections may
22 affect debugging warning for Mach-O.
24 2006-07-07 James E Wilson <wilson@specifix.com>
26 * config/mips/mips.md (cpu): Add sb1a.
27 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
28 addition to sb1. Adjust comments to clarify SB-1A differences from
30 (ir_sb1a_load): New. Modify bypasses to use it.
31 (ir_sb1a_simple_alu): Likewise.
32 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
33 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
34 (mips_issue_rate): Add PROCESSOR_SB1A.
35 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
36 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
37 (TARGET_SB1): Add PROCESSOR_SB1A check.
40 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
41 * config/mips/mips.c (mips_store_data_bypass_p): New.
42 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
45 2006-07-08 Paul Brook <paul@codesourcery.com>
48 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
50 2006-07-07 Richard Guenther <rguenther@suse.de>
53 * tree.h (build_one_cst): Declare.
54 * tree.c (build_one_cst): New function.
55 * tree-ssa-math-opts.c (get_constant_one): Remove.
56 (insert_reciprocals): Use build_one_cst.
57 * fold-const.c (fold_plusminus_mult): Likewise.
59 2006-07-07 Roger Sayle <roger@eyesopen.com>
61 * pointer-set.c (pointer_set_destroy): Correct whitespace.
62 * cfgloopanal.c (dump_graph): Likewise.
63 * dojump.c (discard_pending_stack_adjust): Likewise.
64 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
66 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
67 * function.c (finalize_block_changes): Likewise.
68 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
69 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
70 * rtl.c (dump_rtx_statistics): Likewise.
71 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
73 * varray.c (dump_varray_statistics): Likewise.
74 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
75 decode_decimal64, encode_decimal128, decode_decimal128,
76 decimal_real_to_decimal): Likewise.
78 2006-07-07 Richard Guenther <rguenther@suse.de>
80 PR tree-optimization/28187
81 * tree-vrp.c (vrp_operand_equal_p): New function.
82 (vrp_bitmap_equal_p): Likewise.
83 (update_value_range): Use them to compare old and new
86 2006-07-06 Roger Sayle <roger@eyesopen.com>
88 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
89 a default case to switch statement to silence compiler warnings.
91 2006-07-06 Roger Sayle <roger@eyesopen.com>
94 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
95 the configured assembler supports the x87's ffreep mnemonic.
96 * configure: Regenerate.
97 * config.in: Regenerate.
99 * config/i386/i386.c (output_387_ffreep): New function.
100 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
101 (output_387_reg_move): Likewise.
103 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
105 Port to hosts whose 'sort' and 'tail' implementations
106 treat operands with leading '+' as file names, as POSIX
107 has required since 2001. However, make sure the code still
108 works on pre-POSIX hosts.
109 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
110 which says you should use "tail -c +N" rather than "tail +Nc".
111 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
113 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
115 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
118 2006-07-06 David Edelsohn <edelsohn@gnu.org>
121 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
122 PRE_{INC,DEC} of TFmode.
124 2006-07-06 David Edelsohn <edelsohn@gnu.org>
125 Alan Modra <amodra@bigpond.net.au>
128 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
131 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
134 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
135 Remove duplicate gtu.
137 2006-07-05 Jason Merrill <jason@redhat.com>
141 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
142 * c-common.c (handle_packed_attribute): So don't copy it here.
143 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
145 2006-07-05 Mike Stump <mrs@apple.com>
147 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
149 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
152 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
154 2006-07-05 Richard Guenther <rguenther@suse.de>
157 * config/i386/i386.md (*negdf2_1): Restrict pattern to
158 TARGET_SSE2 targets if using SSE math.
159 (*absdf2_1): Likewise.
161 2006-07-05 Richard Guenther <rguenther@suse.de>
163 PR tree-optimization/28162
164 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
165 make sure to convert the operands to the correct type.
167 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
169 PR tree-optimization/28218
171 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
172 to calculate and free the dominator information.
174 2006-07-04 Peter O'Gorman <peter@pogma.com>
176 * mklibgcc.in: chmod 644 before ranlib during install.
178 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
179 J"orn Rennecke <joern.rennecke@st.com>
181 * configure.ac (.eh_frame data check): Use diff -b.
183 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
186 * Makefile.in (BUILD_RTL): Add build/vec.o.
187 (build/gencondmd.o): Filter out -fkeep-inline-functions.
188 (build/genextract): Delete.
189 (build/genautomata): Likewise.
191 2006-07-04 Alan Modra <amodra@bigpond.net.au>
194 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
195 128-bit IBM long doubles for ABI_V4.
197 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
199 * tree.c (range_in_array_bounds_p): New predicate.
200 * tree.h (range_in_array_bounds_p): Declare it.
201 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
202 return a less conservative answer.
203 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
205 (IS_ELEMENT_FOR_GROUP): New macro.
206 (FOR_EACH_ACTUAL_CHILD): Likewise.
207 (next_child_for_group): New helper function.
208 (can_completely_scalarize_p): Take into account groups.
209 (sra_hash_tree): Handle RANGE_EXPR.
210 (sra_elt_eq): Likewise.
211 (lookup_element): Be prepared for handling groups.
212 (is_valid_const_index): Delete.
213 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
214 instead of is_valid_const_index.
215 <ARRAY_RANGE_REF>: New case.
216 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
217 is_valid_const_index.
218 <ARRAY_RANGE_REF>: Do not unconditionally punt.
219 (scan_dump): Dump info for groups too.
220 (decide_instantiation_1): Likewise.
221 (decide_block_copy): Assert that the element is not a group.
222 Propagate decision to groups.
223 (generate_one_element_ref): Handle RANGE_EXPR.
224 (mark_no_warning): Iterate over actual childs.
225 (generate_copy_inout): Likewise.
226 (generate_element_copy): Likewise.
227 (generate_element_zero): Likewise.
228 (generate_element_init_1): Likewise.
229 (dump_sra_elt_name): Handle RANGE_EXPR.
231 2006-07-03 Roger Sayle <roger@eyesopen.com>
233 PR tree-optimization/26251
234 * tree-ssa-threadupdate.c (redirection_block_p): New function.
235 (thread_block): When optimizing for size refuse to thread jumps
236 that would require duplication of blocks other than redirection
239 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
241 * configure.ac: Fix thinko in previous check-in.
242 * configure: Regenerate.
244 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
247 * configure.ac (for lang...): Simplify nesting of conditionals.
248 Test subdir_requires for non-enabled languages. Move processing
249 of lang_opt_files and lang_tree_fiels below that test.
250 * configure: Regenerate.
251 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
253 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
255 * doc/gcov.texi (Invoking Gcov): Add a missing word.
257 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
259 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
262 2006-06-29 Jason Merrill <jason@redhat.com>
269 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
270 * c-common.c (c_determine_visibility): Handle it here.
271 * c-decl.c (finish_decl): Call c_determine_visibility for
273 * flags.h (enum symbol_visibility): Sort from most to least visibility.
275 * varasm.c (default_assemble_visibility): Likewise.
276 * c-common.c (handle_visibility_attribute): Complain about trying
277 to give visibility to an already defined class, or trying to change
278 declared visibility. Always attach the attribute.
283 * attribs.c (decl_attributes): Ignore type-in-place attributes
284 once the type has been defined.
286 2006-06-29 Roger Sayle <roger@eyesopen.com>
289 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
290 to indicate the cpplib has issued an error message for us.
292 2006-06-29 Asher Langton <langton2@llnl.gov>
295 * config/i386/i386.c (ix86_output_function_epilogue): Don't
296 insert a label at the end of an function under Mach-O.
298 2006-06-29 Eric Christopher <echristo@apple.com>
299 Evan Cheng <evan.cheng@apple.com>
301 * predicates.md (vector_all_ones_operand): New.
302 (nonimmediate_or_sse_const_operand): Ditto.
303 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
304 * config/i386/i386.c (standard_sse_constant_opcode): Define.
305 (standard_sse_mode_p): Ditto.
306 (standard_sse_constant_p): Add case for -1 vector.
307 (ix86_expand_vector_move): Try to use.
308 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
309 Call standard_sse_constant_opcode.
310 (*movv4sf_internal): Ditto.
311 (*movv2df_internal): Ditto.
313 2006-06-29 Roger Sayle <roger@eyesopen.com>
315 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
316 of XEXP to extract the operands of a MATCH_CODE rtx.
318 2006-06-28 Andrew Pinski <pinskia@gmail.com>
320 * tree.c (tree_size): Do not waste tail padding in
321 struct tree_string and make the size be the same as
322 build_string will generate.
324 2006-06-28 Jason Merrill <jason@redhat.com>
327 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
328 may_aliases already in the tag's annotations to the bitmap.
330 2006-06-28 Roger Sayle <roger@eyesopen.com>
332 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
334 2006-06-28 Roger Sayle <roger@eyesopen.com>
336 * genpreds.c (generate_switch_p): New function.
337 (add_mode_tests): Push the new mode test down inside an AND expr
338 if this allows the switch-suitable MATCH_CODE to be near the root.
339 (write_match_code_switch): New function to write a MATCH_CODE as
341 (write_predicate_stmts): New function to write a predicate RTX
342 expression as a sequence of statements.
343 (write_one_predicate_function): Use write_predicate_stmts.
344 (write_tm_constrs_h): Likewise.
346 2006-06-26 Fred Fish <fnf@specifix.com>
348 * config/mips/t-sb1: New file.
349 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
352 2006-06-26 DJ Delorie <dj@redhat.com>
354 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
356 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
357 Jayant Sonar <jayants@kpitcummins.com>
358 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
360 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
361 (subsi3, subsi3_1, subsi3_2): New.
362 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
363 * config/m32c/mov.md (SI mov peephole): New.
364 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
365 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
367 2006-06-26 Olivier Hainque <hainque@adacore.com>
369 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
370 a CALL_EXPR target function declaration.
372 2006-06-26 Richard Guenther <rguenther@suse.de>
374 * tree.c (build_string): Do not waste tail padding in
377 2006-06-26 Richard Guenther <rguenther@suse.de>
379 * ggc-page.c (init_ggc): Add missing element to size_lookup
383 2006-06-23 Richard Guenther <rguenther@suse.de>
385 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
386 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
387 alignment requests instead. Add verification code.
388 Add struct tree_function_decl and struct tree_binfo size to
389 extra_order_size_table. Add missing element to size_lookup
392 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
395 * fold-const.c (const_binop): Be prepared for self returning zero.
396 Simplify code handling complex values.
398 2006-06-24 Olivier Hainque <hainque@adacore.com>
400 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
401 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
404 2006-06-24 Olivier Hainque <hainque@adacore.com>
406 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
407 ARRAY_REF, so have the callback called for the low bound expression.
409 2006-06-23 Janis Johnson <janis187@us.ibm.com>
411 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
412 * c-typeck.c (c_common_type): Disallow operations on decimal float
413 types and other float types.
414 * convert.c (convert_to_real): Don't ignore conversions involving
417 2006-06-23 Olivier Hainque <hainque@adacore.com>
419 * tree.c (max_int_size_in_bytes): New function, inspired from
420 code in function.c:assign_temp.
421 * tree.h (max_int_size_in_bytes): Declare.
422 * function.c (assign_temp): Use it.
423 * gimplify.c (create_tmp_var): Relax the assertions on the type
424 properties, not mandating constant size any more.
425 (force_constant_size): New static function.
426 (gimple_add_tmp_var): Use it, forcing variable size to a
427 constant upper bound if it is not constant on entry.
429 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
432 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
433 for initialization and setting of one_only flag to ...
434 (i386_pe_encode_section_info): ...here.
435 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
436 Recheck that the symbol has not been defined.
438 2006-06-23 Richard Guenther <rguenther@suse.de>
440 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
441 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
442 alignment requests instead. Add verification code.
443 Add struct tree_function_decl and struct tree_binfo size to
444 extra_order_size_table. Add missing element to size_lookup
447 2006-06-22 Roger Sayle <roger@eyesopen.com>
448 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
451 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
452 call to lang_hooks.types.type_for_mode returned NULL_TREE.
454 2006-06-23 Ben Elliston <bje@au.ibm.com>
456 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
457 negate dn -- manipulate it directly.
459 2006-06-22 Roger Sayle <roger@eyesopen.com>
460 Steven Bosscher <stevenb.gcc@gmail.com>
463 * reload1.c (gen_reload): Call mark_jump_label on the new insns
464 generated by gen_move_insn to add REG_LABEL notes if necessary.
466 2006-06-22 Bob Wilson <bob.wilson@acm.org>
468 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
469 (leaf_entry): Remove use of MIN_ESA.
471 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
473 PR rtl-optimization/28121
474 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
477 2006-06-21 DJ Delorie <dj@redhat.com>
479 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
481 (mulhisi3_r): Likewise.
483 2006-06-21 Richard Sandiford <richard@codesourcery.com>
486 * coverage.c (coverage_counter_alloc): Leave the index type
488 (coverage_counter_alloc): Use null arguments for operands 2 and 3
491 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
493 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
494 section from the "Options for Code Generation Conventions".
496 2006-06-21 Richard Henderson <rth@redhat.com>
500 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
502 (global_symbolic_operand): Allow weak symbols, even if local_p.
504 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
506 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
507 (find_interesting_uses_address): Punt if above function returns true.
509 2006-06-21 Richard Guenther <rguenther@suse.de>
511 * configure: Regenerated.
513 2006-06-21 Joseph Myers <joseph@codesourcery.com>
515 * config/mips/mips.c (function_arg): Where one part of a
516 complex argument is in registers and the other part in the stack,
517 return a REG not a PARALLEL.
519 2006-06-21 Mark Mitchell <mark@codesourcery.com>
521 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
522 when cross-compiling. Do not substitute libstdcxx_incdir.
523 * configure: Regenerated.
525 2006-06-21 Jakub Jelinek <jakub@redhat.com>
527 * varasm.c (mergeable_string_section): Check for embedded NULs and
528 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
529 rather than TREE_STRING_LENGTH bytes.
531 2006-06-21 Richard Guenther <rguenther@suse.de>
533 * ggc-page.c (extra_order_size_table): Add var_ann_d,
534 tree_ssa_name, bitmap_element and phi_node with 4 arguments
537 2006-06-21 Richrad Guenther <rguenther@suse.de>
539 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
540 Limit iteration over the dominators.
542 2006-06-20 Roger Sayle <roger@eyesopen.com>
544 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
545 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
547 2006-06-20 Richard Guenther <rguenther@suse.de>
548 Michael Matz <matz@suse.de>
550 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
552 * alloc-pool.c (free_alloc_pool_if_empty): New function.
553 * et-forest.h (et_free_pools): Prototype new function.
554 * et-forest.c (et_free_tree_force): Free parent occurrence.
555 (et_free_pools): New function.
556 * dominance.c (free_dominance_info): Free et-forest alloc
559 2006-06-20 Roger Sayle <roger@eyesopen.com>
561 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
562 integer modes, attempt to directly construct an integer constant.
564 * fold-const.c (native_encode_vector): Determine the size of each
565 element from the vector type instead of the first vector element.
567 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
568 if all of its elements/components are constant.
569 (build_constructor_from_list): Likewise.
571 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
573 PR tree-optimization/27331
574 * tree-data-ref.c (free_data_ref): New function.
575 (create_data_ref): Fail if the data reference has unknown access
577 (free_data_refs): Use free_data_ref.
579 2006-06-19 Andrew Pinski <pinskia@gmail.com>
582 * tree-inline.c (setup_one_parameter): Strip useless
583 type conversion before adding it to the IR.
584 (declare_return_variable): Likewise.
586 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
589 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
591 2006-06-19 Mike Stump <mrs@apple.com>
593 * tree.c (variably_modified_type_p): VM arguments don't make the
596 2006-06-19 Richard Guenther <rguenther@suse.de>
598 * tree-ssa-pre.c (try_combine_conversion): Strip useless
599 type conversions after folding.
601 2006-06-19 Richard Guenther <rguenther@suse.de>
603 * ggc-page.c (extra_order_size_tab): Add entries with
604 size of struct function and basic_block.
605 (size_lookup): Extend to cover sizes up to 511.
606 (ggc_alloc_stat): Adjust user.
607 (ggc_pch_count_object): Likewise.
608 (ggc_pch_alloc_object): Likewise.
609 (ggc_pch_write_object): Likewise.
611 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
613 * tree-ssa-loop-niter.c (implies_ge_p): New function.
614 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
617 2006-06-19 Denis Chertykov <denisc@overta.ru>
619 * config/avr/libgcc.S : Correct my wrong previous commit.
621 2006-06-19 Roger Sayle <roger@eyesopen.com>
624 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
625 have stripped a SUBREG from the shift count, so we may need to
626 convert_to_mode back to the type's mode before calling make_tree.
627 Use new_amount instead of amount to avoid expanding a tree twice.
629 2006-06-19 Richard Guenther <rguenther@suse.de>
632 * fold-const.c (operand_equal_p): Check if the argument types
633 have the same precision before stripping NOPs.
635 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
637 Fix PR tree-optimization/27341
638 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
640 * tree-complex.c (pass_lower_complex): Update SMT usage.
642 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
644 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
645 Add a new alternative to the constraint strings. Add move of
646 operand 1 to 3 to the splitter definition.
647 ("doloop_si_long"): Second contraint alternative removed.
649 2006-06-08 Anatoly Sokolov <aesok@post.ru>
651 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
652 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
654 (AVR_HAVE_MOVW) Define.
655 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
656 (ASM_SPEC): Add avr25.
657 (LINK_SPEC): Add avr25.
658 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
659 (base_arch_s): Add new member 'have_movw_lpmx'.
660 (avr_arch_types): Init 'have_movw_lpmx'.
661 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
662 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
663 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
664 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
665 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
667 (avr_file_start): Do not output '.arh' derective.
668 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
669 (__do_copy_data): Use __AVR_HAVE_LPMX__.
670 * config/avr/avr.md (mcu_enhanced): Delete.
671 (mcu_have_movw): Define.
672 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
673 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
674 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
675 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
676 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
677 attiny861 and at86rf401 devices.
679 2006-06-18 Jie Zhang <jie.zhang@analog.com>
681 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
684 2006-06-17 Karl Berry <karl@gnu.org>
686 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
687 doc/gccint.texi, doc/install.texi (@dircategory): Use
688 "Software development" instead of "Programming", following
689 the Free Software Directory.
691 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
693 * config/i386/i386.c (legitimate_tls_address)
694 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
695 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
696 (*tls_dynamic_gnu2_combine_64): Likewise.
698 2006-06-16 Richard Guenther <rguenther@suse.de>
701 * fold-const.c (negate_expr_p): Do not introduce undefined
702 overflow in negating INTEGER_CSTs.
703 (fold_negate_expr): Rename from negate_expr. Revert last
704 change for folding BIT_NOT_EXPR. Change semantics to
705 return NULL_TREE for non-simplified negations. Do not
706 strip type conversions and unify type handling.
707 (negate_expr): New function, wrap around fold_negate_expr
708 but ensure building a tree always. Strip type conversions
709 here, fold to result type.
710 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
712 2006-06-16 Roger Sayle <roger@eyesopen.com>
715 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
716 that (would) return their results in stack registers.
718 2006-06-16 Michael Matz <matz@suse.de>
719 Richard Guenther <rguenther@suse.de>
721 * fold-const.c (fold_truthop): Only return new tree node if
722 we canonicalized something.
724 2006-06-16 Richard Guenther <rguenther@suse.de>
726 * function.h (enum function_frequency): Move declaration
727 out of struct function.
728 (struct function): Move bool fields and the enum to the bitfield
729 section. Reorder elements to avoid padding. Remove unused
730 fields left over from the RTL inliner removal.
731 * function.c (free_after_compilation): Do not zero removed fields.
732 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
733 (ipa-type-escape.o): Likewise.
735 2006-06-16 Richard Guenther <rguenther@suse.de>
737 * cgraph.h (struct cgraph_local_info): Turn bool elements
739 (struct cgraph_node): Likewise.
740 (struct cgraph_varpool_node): Likewise.
742 2006-06-15 Richard Guenther <rguenther@suse.de>
744 * fold-const.c (fold_truth_not_expr): Rename from
745 invert_truthvalue. Give it fold_* semantics to avoid
747 (invert_truthvalue): New function. Wrapper around
749 (optimize_minmax_comparison): Avoid creating garbage.
750 (fold_unary): Use fold_truth_not_expr for folding
752 (fold_ternary): Replace uses of invert_truthvalue with
753 fold_truth_not_expr where applicable.
754 * tree.h (fold_truth_not_expr): Prototype.
756 2006-06-16 Richard Guenther <rguenther@suse.de>
758 PR tree-optimization/27781
759 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
760 * ipa-pure-const.c (target.h): Include.
761 (analyze_function): Do not analyze functions that do not
764 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
767 * tree-dfa.c (referenced_vars_dup_list): Remove.
768 (find_referenced_vars): Remove assert.
769 (referenced_var_check_and_insert): Replace dup list with assert.
770 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
771 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
773 2006-06-15 Richard Guenther <rguenther@suse.de>
775 * tree-ssa-structalias.c (alias_get_name): Avoid creating
776 extra unused identifiers if not dumping.
777 (create_variable_info_for): Likewise.
779 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
781 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
782 (derive_constant_upper_bound): Derive more precise upper bound in
783 common cases. Return type changed to double_int.
784 (record_estimate): Reflect the changed return type of
785 derive_constant_upper_bound.
786 * double-int.c (double_int_zext, double_int_sext): Fix.
788 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
790 * configure.ac (CFLAGS): Get them from the toplevel or from the
791 configure invocation.
792 * configure: Regenerate.
793 * Makefile.in (CFLAGS): Substitute value provided by configure.
795 2006-06-14 Mark Mitchell <mark@codesourcery.com>
798 * c-common.h (c_finish_omp_atomic): Adjust declaration.
799 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
800 rather than calling add_stmt on it.
801 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
803 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
806 * reload1.c (reload): Remove registers returned by update_eliminables
807 from used_spill_regs.
809 2006-06-13 DJ Delorie <dj@redhat.com>
811 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
813 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
815 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
816 html__strip_dir, html__mkdir_p. Enhance install-html target.
817 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
818 * configure: Regenerate.
820 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
822 * fold-const.c (fold_cond_expr_with_comparison): Check for
823 Objective-C++ as language in deciding COND_EXPR transformation.
825 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
828 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
829 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
830 * config/sh/lib1funcs.h (SL, SL1): Define.
831 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
832 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
833 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
834 (OBJS_Os_4_200): New variable.
835 ($(T)libgcc-Os-4-200.a): Use it.
836 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
837 when dividing 1 and/or by 0.
839 2006-06-13 Roger Sayle <roger@eyesopen.com>
841 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
842 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
843 * configure: Regenerate.
845 2006-06-13 Jie Zhang <jie.zhang@analog.com>
847 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
848 for real instruction.
850 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
853 * haifa-sched.c (check_cfg): Handle special case.
855 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
858 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
859 Add debug_info parameter. Chain the vars to the BLOCK instead
860 of the BIND_EXPR if debug info are requested for them.
861 (pop_gimplify_context): Adjust for above change.
862 (gimple_add_tmp_var): Likewise.
863 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
865 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
866 (convert_local_reference): Likewise.
867 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
868 (finalize_nesting_tree_1): Request that debug info be emitted
871 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
873 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
876 2006-06-13 Richard Guenther <rguenther@suse.de>
879 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
881 2006-06-13 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/27830
884 * tree-inline.c (copy_body_r): For copying the operand
885 of an ADDR_EXPR make sure to fold &* afterwards.
887 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
889 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
890 lvalues in the fb_none case with side-effects.
892 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
894 * tree-flow.h: Remove the prototype for
895 compute_phi_arg_on_exit.
896 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
897 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
900 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
902 * builtins.c (expand_builtin_return_addr): Only use
903 frame_pointer_rtx when count == 0 and we are expanding
904 __builtin_return_address.
906 2006-06-12 Fred Fish <fnf@specifix.com>
908 * config/mips/mips.c (mips_file_start): Create special section
909 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
911 2006-06-11 Eric Christopher <echristo@apple.com>
914 * stor-layout.c (place_field): Remove check for
915 remaining_in_alignment when aligning at the end of a run.
917 2006-06-11 Eric Christopher <echristo@apple.com>
920 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
923 2006-06-11 Roger Sayle <roger@eyesopen.com>
926 Revert incorrect fix for PR target/27158
927 2006-05-08 Roger Sayle <roger@eyesopen.com>
928 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
929 of a reg_equiv_constant if the result is a legitimate constant.
931 2006-06-11 Roger Sayle <roger@eyesopen.com>
934 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
935 extract a CONST_VECTOR element and interpret it as an integer.
936 (vspltis_constant): Use const_vector_elt_as_int instead of the
937 macro CONST_VECTOR_ELT in order to handle FP vector modes.
938 * config/rs6000/predicates.md (easy_vector_const): Consider
939 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
941 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
944 * stor-layout.c (update_alignment_for_field): Don't add extra
945 alignment for packed non-bitfield fields in ms_bitfield_layout_p
948 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
950 * config/mips/t-rtems: Add EL/EB multilib variants.
952 2006-06-09 Mike Stump <mrs@apple.com>
954 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
956 2006-06-09 David Daney <ddaney@avtrex.com>
958 * doc/install.texi: Add binutils version recommendation for mips-*-*.
960 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
962 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
964 2006-06-09 Richard Guenther <rguenther@suse.de>
966 PR tree-optimization/26998
967 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
968 of signed types, only TYPE_MIN_VALUE is special, but for both,
969 minimum and maximum value. Likewise VR_ANTI_RANGE is special
970 in this case, as is -fwrapv.
972 2006-06-08 Mike Stump <mrs@apple.com>
975 * config/darwin.c (darwin_asm_output_anchor): Disable
976 -fsection-anchors on darwin for now.
977 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
978 * rs6000/rs6000.c (optimization_options): Likewise.
980 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
983 * config/i386/i386.c (classify_argument): Skip fields with invalid
986 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
988 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
989 (cse_insn): Likewise for the stack_pointer_rtx.
991 2006-06-08 Roger Sayle <roger@eyesopen.com>
993 * tree-ssa-dom.c (record_conditions): Only record "unordered"
994 conditions from floating point comparisons.
996 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
999 * expmed.c (struct alg_hash_entry): Fix type of field T
1000 to match synth_mult argument.
1001 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1003 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1006 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1009 2006-06-08 Richard Guenther <rguenther@suse.de>
1012 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1013 only, if overflow is defined and not trapping.
1014 (negate_expr): Likewise.
1016 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1018 PR tree-optimization/27872
1019 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1020 flag on the new exit edge of the unrolled loop.
1022 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1024 PR rtl-optimization/26449
1025 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1027 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1030 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1031 referenced_variables with matching DECL_UID's.
1032 (find_referenced_vars): Make sure duplicate list is empty to start.
1033 (referenced_var_p): Remove.
1034 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1035 Check if var is in the list, and add if needed. Update the duplicate
1036 list if a different var is in the list with the same DECL_UID.
1037 (add_referenced_var): Call routine to check and insert.
1038 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1039 * tree-flow.h (referenced_vars_dup_list): External declaration.
1041 2006-06-07 Fred Fish <fnf@specifix.com>
1043 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1046 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1049 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1050 the imaginary and real parts of a clobbered register.
1051 Emit insn to set the imaginary part.
1053 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1055 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1056 in lieu of unwind-dw2-fde.c.
1058 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1060 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1062 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1065 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1066 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1067 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1068 V4SImode temporaries and operations instead.
1070 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1072 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1075 2006-06-06 Mike Stump <mrs@apple.com>
1077 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1078 installing during build.
1080 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1082 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1084 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1085 * config/ia64/ia64.c (params.h): New header.
1086 (ia64_optimization_options): New function to adjust parameters.
1087 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1088 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1089 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1091 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1093 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1095 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1098 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1100 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1101 Victor Kaplansky <victork@il.ibm.com>
1103 PR tree-optimization/26360
1104 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1107 2006-06-04 Roger Sayle <roger@eyesopen.com>
1108 Andrew Pinski <pinskia@physics.uc.edu>
1111 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1112 for LABEL_DECL before calling DECL_WEAK.
1115 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1116 LABEL_DECL and PARM_DECL.
1118 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1122 * c-decl.c (grokdeclarator): Disallow variably modified types at
1123 file scope. Avoid marking shared array type of constant size as
1126 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1129 * c-common.c (fold_offsetof_1): Handle static members.
1131 2006-06-04 Eric Christopher <echristo@apple.com>
1133 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1134 (debug_rli): Output value for remaining_in_alignment.
1135 (update_alignment_for_field): Unconditionalize
1136 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1137 extra alignment code.
1138 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1139 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1140 * tree.h (record_layout_info_s): Remove prev_packed.
1141 * doc/extend.texi (ms_struct): Add documentation of format.
1143 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1145 * tree.h: Declare folding_initializer.
1146 * builtins.c (fold_builtin_constant_p): Give definite answer
1147 if folding inside an initializer.
1148 * fold-const.c: Define folding_initializer.
1149 (START_FOLD_INIT): Save and then set folding_initializer.
1150 (END_FOLD_INIT): Restore folding_initializer.
1152 2006-06-04 Richard Guenther <rguenther@suse.de>
1154 PR tree-optimization/27039
1155 * fold-const.c (fold_comparison): Handle pointer comparison
1156 again for all comparison codes. Compare offsets in signed
1158 (fold_binary): Move code from here.
1160 2006-06-03 Roger Sayle <roger@eyesopen.com>
1163 * config/i386/i386.c (construct_container): Split static issued_error
1164 flag into issued_sse_arg_error, issued_sse_ret_error and
1165 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1166 requires the use of x87 registers and the user explicitly
1167 specified the -mno-80387 command line option.
1169 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1171 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1172 HAVE_DECL_SIGALTSTACK.
1174 (segv_handler): Use MC_FLD.
1175 * configure.ac: Check for a sigaltstack declaration.
1176 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1177 * configure: Regenerate.
1178 * config.in: Regenerate.
1180 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1183 * Makefile.in (stmp-fixinc): Fix typo.
1185 2006-06-02 Roger Sayle <roger@eyesopen.com>
1187 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1188 are type correct. Clean-up.
1189 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1190 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1192 2006-06-01 DJ Delorie <dj@redhat.com>
1194 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1195 shift, as we've disabled the "switch" insn that needs it.
1197 2006-06-01 Per Bothner <bothner@bothner.com>
1199 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1200 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1201 * c-ppoutput.c (cb_define): Don't increment line 0.
1203 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1205 * doc/invoke.texi: Add cpu_type power6.
1206 * config.gcc: Add cpu_type power6.
1207 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1208 to power5+ with Altivec.
1209 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1210 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1212 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1214 * config/avr/avr.h (SET_ASM_OP): Define.
1216 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1218 * config/bfin/bfin.c: Fix comment typos.
1220 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1223 * doc/install.texi: Document --enable-bootstrap and
1224 --disable-bootstrap.
1226 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1228 * doc/install.texi: Document that InfoZIP can replace jar.
1230 2006-05-31 Roger Sayle <roger@eyesopen.com>
1232 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1233 isn't available, directly generate the simpler x87 patterns without
1234 the (use (const_int 0)).
1235 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1236 implementation isn't available.
1237 (*negdf2_1): Likewise.
1238 (*negxf2_1): XF mode negation is always done using the x87.
1239 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1241 2006-05-31 Roger Sayle <roger@eyesopen.com>
1243 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1244 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1246 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1248 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1250 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1251 * config/bfin/bfin.c (basic-block.h): Include.
1252 (struct machine_function): New.
1253 (bfin_init_machine_status): New.
1254 (override_options): Initialize init_machine_status.
1255 (bfin_hardware_loop): New.
1256 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1257 (DEF_VEC_P (loop_info)): New.
1258 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1259 (struct loop_info): New.
1260 (loop_info): New typedef.
1261 (struct loop_work): New.
1262 (loop_work): New typedef.
1263 (DEF_VEC_O (loop_work)): New.
1264 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1265 (bfin_dump_loops): New.
1266 (bfin_bb_in_loop): New.
1267 (bfin_scan_loop): New.
1268 (bfin_optimize_loop): New.
1269 (bfin_reorg_loops): New.
1270 (bfin_reorg): Use bfin_reorg_loops.
1271 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1273 (I_REGNO_P): Simplify.
1274 (DP_REGNO_P, DPREG_P): New macros.
1275 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1276 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1277 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1278 Add LT_REGS, LC_REGS, LB_REGS.
1279 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1281 (REGNO_REG_CLASS): Deal with loop registers.
1282 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1284 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1285 New constants for loop registers.
1286 (UNSPEC_LSETUP_END): New.
1287 (seq_insns): New define_attr. Set it for appropriate insns.
1288 (movsi_insn): Add alternatives for move from/to
1289 loop count registers.
1290 (doloop_end): New define_expand.
1291 (loop_end): New define_insn.
1292 (define_split for bad doloop_end): New.
1293 (lsetup_with_autoinit): New define_insn.
1294 (lsetup_without_autoinit): New define_insn.
1295 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1296 * config/bfin/predicates.md (lc_register_operand): New.
1297 (lt_register_operand): New.
1298 (lb_register_operand): New.
1299 (nondp_register_operand): New.
1300 (nondp_reg_or_memory_operand): New.
1301 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1303 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1305 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1306 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1308 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1310 * Makefile.in (CATALOGS): Add po/ prefix.
1311 * configure: Regenerated.
1313 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1316 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1317 a shift operand before calling shift_op. Avoid redundant call of
1320 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1321 DJ Delorie <dj@redhat.com>
1323 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1324 we're inserting is a singlt-bit constant.
1326 2006-05-30 Roger Sayle <roger@eyesopen.com>
1328 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1329 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1331 2006-05-30 Roger Sayle <roger@eyesopen.com>
1333 PR tree-optimization/23452
1334 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1335 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1336 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1337 complex values and with -ffast-math for FP complex values.
1339 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1341 * c-common.h: Remove the prototype for yyparse.
1342 * rtl.h: Remove the prototype for init_loop.
1344 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1346 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1349 2006-05-30 Roger Sayle <roger@eyesopen.com>
1351 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1353 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1354 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1356 2006-05-30 Dirk Mueller <dmueller@suse.de>
1359 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1360 for CONSTANT_CLASS_P expresisons.
1362 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1365 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1367 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1369 PR tree-optimization/27779
1370 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1371 initial_condition instead of CHREC_LEFT.
1373 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1375 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1376 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1377 Make prototypes ISO C90.
1379 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1380 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1382 * see.c (see_analyze_one_def): Correct check.
1383 (see_get_extension_data): Check if extension is parallel.
1384 (see_get_extension_reg): Likewise.
1386 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1389 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1390 into register for (code == GTU).
1392 2006-05-29 Roger Sayle <roger@eyesopen.com>
1394 PR tree-optimization/24964
1395 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1396 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1397 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1398 abs(x)*abs(x) as x*x for scalar floating point modes.
1400 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1403 * lambda-code.c (perfect_nestify): Don't copy statements
1404 in the inner loop: move them to the inner loop header.
1406 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1409 * c-tree.texi: Document OpenMP directives and clauses.
1411 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1413 * varasm.c (globalize_decl): Fix indentation.
1415 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1418 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1419 pass_fre, pass_store_ccp, pass_copy_prop,
1420 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1421 pass_return_slot, pass_object_size, pass_lim,
1422 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1423 pass_loop_prefetch and pass_stdarg.
1425 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1427 * config/bfin/bfin.opt (mfdpic): New option.
1428 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1429 (EXTRA_MULTILIB_PARTS): Likewise.
1430 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1431 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1433 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1434 (CRT_CALL_STATIC_FUNCTION): New.
1435 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1437 (CRT_CALL_STATIC_FUNCTION): New.
1438 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1440 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1441 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1442 (initialize_trampoline): Changed to handle FD-PIC code generation.
1443 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1444 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1445 (override_options): Disallow -mid-shared-library -mfdpic combination.
1446 Can't do unaligned ops if FD-PIC.
1447 Turn off flag_pic if trying to generate non-id-shared-library
1448 non-fdpic code, since it's not supported.
1449 (bfin_assemble_integer): New function.
1450 (TARGET_ASM_INTEGER): Define.
1451 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1453 * config/bfin/crtn.s: Restore them.
1454 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1456 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1457 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1458 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1459 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1460 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1462 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1463 FDPIC_REGS and FDPIC_FPTR_REGS.
1464 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1465 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1466 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1467 (load_funcdescsi): New pattern.
1468 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1469 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1470 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1472 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1474 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1477 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1479 * tree-flow.h: Remove the prototype for add_type_alias.
1480 * tree-ssa-alias.c (add_type_alias): Remove.
1482 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1484 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1485 config/fr30/fr30.md, config/i386/i386-interix.h,
1486 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1487 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1488 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1489 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1490 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1491 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1492 Follow spelling conventions.
1493 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1494 Follow spelling conventions.
1496 2006-05-27 Richard Guenther <rguenther@suse.de>
1499 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1500 to produce a constant of value 1 of generic type.
1502 2006-05-27 Dirk Mueller <dmueller@suse.de>
1504 * cgraphunit.c (decide_is_function_needed): Fix wrong
1507 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1509 PR rtl-optimization/27661
1510 * reload.c (find_reloads): When reloading a VOIDmode constant
1511 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1512 use Pmode as mode of the reload register.
1514 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1516 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1517 is enabled at -O and above.
1519 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1522 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1525 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1528 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1529 for anonymous variables explicitly declared by front ends.
1531 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1533 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1534 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1535 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1536 ref-all pointers, run a finalization pass for them.
1537 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1538 (finalize_ref_all_pointers): New function.
1539 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1540 regular pointer type to a ref-all pointer type.
1541 (get_tmt_for): Return the special memory tag for ref-all pointers.
1543 2006-05-25 Richard Guenther <rguenther@suse.de>
1546 * fold-const.c (fold_binary): Do not look at the stripped
1547 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1549 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1551 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1552 for LT and GT if the computed range is effectively empty.
1554 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1557 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1558 mips_quad_format formats instead of ieee_single_format,
1559 ieee_double_format and ieee_quad_format formats, respectively.
1561 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1563 PR tree-optimization/27639
1564 PR tree-optimization/26719
1565 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1566 call to scev_probably_wraps_p.
1567 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1568 used_in_pointer_arithmetic_p, convert_step): Removed.
1569 (nowrap_type_p): New function.
1570 (scev_probably_wraps_p): Rewritten.
1571 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1572 chrec_convert if chrec_convert_aggressive might have been used.
1573 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1574 scev_direction): New functions.
1575 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1576 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1577 instead of convert_step.
1578 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1579 (convert_step): Declaration removed.
1580 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1582 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1584 * df-core.c: Added to header comments.
1585 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1586 df_ur_bb_info, df_urec_bb_info): Added comments.
1587 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1588 urec, ri problems): Fixed header comments.
1589 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1590 code from df_rd_transfer_function.
1592 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1594 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1595 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1596 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1598 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1600 * expr.c (undefined_operand_subword_p): New.
1601 (emit_move_multi_word): Do not generate move from undefined bits
1602 of a paradoxical subreg.
1604 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1606 PR rtl-optimization/27736
1607 * combine.c (replaced_rhs_value): New variable.
1608 (combine_instructions): Set it.
1609 (distribute_notes): When distributing a note in replaced_rhs_insn,
1610 check whether the value was used in replaced_rhs_value.
1612 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1615 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1616 add_referenced_var instead of add_referenced_tmp_var.
1617 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1618 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1620 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1621 tree_optimize_tail_calls_1): Use add_referenced_var.
1622 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1623 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1624 Use add_referenced_var.
1625 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1626 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1627 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1628 Use add_referenced_var.
1629 * tree-dfa.c (struct walk_state): Remove.
1630 (find_referenced_vars): Remove walk state and vars_found hash table.
1631 (make_rename_temp): Use add_referenced_var.
1632 (find_vars_r): Pass less parameters to add_referenced_var.
1633 (referenced_var_p): New. Is var in referenced_var hash table.
1634 (referenced_var_insert): Assert var isn't already in hash table.
1635 (add_referenced_var): Don't need walk_state parameter. Add var if it
1636 isn't already in the hash table.
1637 (add_referenced_tmp_var): Remove.
1638 (find_new_referenced_vars_1): Use add_referenced_var.
1639 * tree-ssa-pre.c (create_expression_by_pieces,
1640 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1641 Use add_referenced_var.
1642 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1643 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1644 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1646 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1647 vect_create_data_ref_ptr, vect_create_destination_var,
1648 vect_init_vector, vect_build_loop_niters,
1649 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1650 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1651 Use add_referenced_var.
1652 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1653 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1654 (add_referenced_var): Add prototype.
1655 * tree-ssa-structalias.c (get_constraint_for,
1656 intra_create_variable_infos): Use add_referenced_var.
1658 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1660 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1661 big-endian paradoxical subregs.
1662 * var-tracking.c (struct micro_operation_def): Document that,
1663 for modify micro operations, insn is the subsequent instruction.
1664 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1665 (var_reg_set, var_mem_set): ... new functions.
1666 (add_stores): Record subsequent insn.
1667 (compute_bb_dataflow): Use new functions for MO_USE.
1668 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1669 notes after the insn, and modify notes before the insn known
1670 to be the subsequent one.
1671 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1673 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1676 * config/i386/i386.c (ix86_expand_builtin): Use
1677 gen_sse3_monitor64 for TARGET_64BIT.
1679 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1681 PR rtl-optimization/26375
1682 PR rtl-optimization/26855
1683 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1685 (df_ru_bb_local_compute): Reversed statements and removed bogus
1686 comment explaining why they should be in wrong order.
1687 (df_ru_dump, df_rd_dump): Enhanced debug info.
1688 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1690 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1691 reaching uses and fixed space problem.
1693 2006-05-23 Jan Hubicka <jh@suse.cz>
1695 * cgraphunit.c (decide_is_function_needed): Also nested functions
1696 and functions declared inline can be optimized out at -O0.
1698 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1700 * doc/install.texi (Configuration): Remove reference to CrossGCC
1704 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1707 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1708 ix86_compare_emitted is non-NULL.
1710 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1713 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1716 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1718 PR rtl-optimization/25514
1719 * combine.c (replaced_rhs_insn): New variable.
1720 (combine_instructions): Set replaced_rhs_insn when trying to replace
1721 a SET_SRC with a REG_EQUAL note.
1722 (distribute_notes): Use replaced_rhs_insn when determining the live
1723 range of a REG_DEAD register.
1725 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1726 Anatoly Sokolov <aesok@post.ru>
1728 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1729 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1730 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1731 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1732 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1733 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1734 at90usb647, at90usb1286 and at90usb1287 devices.
1735 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1736 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1738 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1740 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1742 2006-05-22 Richard Guenther <rguenther@suse.de>
1745 2006-01-31 Richard Guenther <rguenther@suse.de>
1746 Paolo Bonzini <bonzini@gnu.org>
1748 * doc/install.texi (--disable-libgcc-math): Document.
1750 2006-05-22 Richard Guenther <rguenther@suse.de>
1753 2006-01-31 Richard Guenther <rguenther@suse.de>
1755 * doc/invoke.texi (-msselibm): Document.
1756 * target.h (expand_library_builtin): New target hook.
1757 * builtins.c (expand_builtin): Use expand_library_builtin.
1758 (default_expand_library_builtin): New function.
1759 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1760 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1761 (link_gcc_math_spec): Declare.
1762 (static_specs): Add link_gcc_math_spec.
1763 * expr.h (default_expand_library_builtin): Declare.
1764 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1765 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1766 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1767 * config/i386/i386.opt (msselibm): New target option.
1768 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1769 (ix86_init_sse_abi_builtins): New function.
1770 (ix86_expand_library_builtin): Likewise.
1771 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1772 (override_options): Handle error conditions wrt -msselibm.
1773 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1774 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1775 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1778 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1781 * c-common.c (self_promoting_args_p): Skip erroneous args.
1784 * c-decl.c (finish_struct): Skip erroneous fields.
1786 2006-05-22 Nick Clifton <nickc@redhat.com>
1788 * config/cris/cris.opt (march): Remove VarExists attribute.
1789 (max-stackframe=): Likewise.
1791 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1793 * doc/rtl.texi: Fix a typo.
1794 * see.c: Fix comment typos.
1796 * tree-ssa-structalias.h (alias_info): Remove num_references.
1798 2006-05-21 Mike Stump <mrs@apple.com>
1800 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1802 (darwin_pragma_options): Use BAD instead.
1803 (darwin_pragma_unused): Likewise.
1804 (darwin_pragma_ms_struct): Likewise.
1806 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1808 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1810 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1812 PR rtl-optimization/27671
1813 * simplify-rtx.c (simplify_relational_operation_1): Fix
1814 simplifications of (eq/ne (xor x y) y) and
1815 (eq/ne (xor x y) x).
1817 PR tree-optimization/26622.
1818 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1821 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1823 * tree-cfg.c: Prune whitespace.
1824 (debug_tree_cfg): Point to correct header containing the
1827 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1830 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1832 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1835 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1836 or sorry count is non zero.
1838 2006-05-20 Andreas Schwab <schwab@suse.de>
1840 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1842 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1843 Kenneth Zadeck <zadeck@naturalbridge.com>
1845 PR rtl-optimization/26855
1847 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1849 (df_scan_alloc): Added code to properly handle multiword hard
1850 registers and add all_blocks parameter.
1851 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1852 code to properly handle multiword hard registers.
1853 (df_rescan_blocks): Added code to remove deleted blocks from
1855 (df_ref_create_structure, df_ref_record): Added code to properly
1857 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1858 and set DF_REF_PARTIAL.
1859 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1860 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1861 (df_scan_add_problem): Added flags parameter.
1862 (df_ref_create_structure): Changed switching structure.
1863 (df_bb_refs_record): Fixed case where duplicate artificial refs
1864 were created. Changed location of flags.
1865 (df_record_entry_block_defs): Added code to make stack pointer
1866 live in entry block. Refined cases where frame pointer is needed.
1867 Changed location of flags.
1868 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1869 (df_set_state): Removed function.
1870 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1871 df_insn_create_insn_record, df_insn_refs_delete,
1872 df_ref_create_structure): Formatting changes.
1873 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1874 df_delete_basic_block): New function.
1875 (df_init): Changed location of flags.
1876 (df_add_problem): Added flags parameter and the way flags are
1878 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1879 debug_df_chain): Improved debugging output.
1880 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1881 (df_refs_chain_dump): Removed df parameter.
1882 (df_iterative_dataflow): Added consistency check.
1883 (df_prune_to_subcfg): Made public.
1884 (df_analyze_problem): Added blocks_to_init parameter and made
1886 (df_ref_record, df_bb_refs_record, df_mark_reg,
1887 df_record_exit_block_uses): Whitespace changes.
1888 (df_dump): Whitespace changes.
1889 * df.h: Some reordering to remove forward references.
1890 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1891 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1892 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1893 (dataflow.flags): New field.
1894 (df.flag): Deleted field.
1895 (df_alloc_function): Added additional bitmap parameter.
1896 (df_dependent_problem_function): New type.
1897 (df_problem.changeable_flags): New field.
1898 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1899 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1900 (df_mw_hardreg): New struct.
1901 (DF_INSN_UID_MWS): New macro.
1902 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1904 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1905 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1906 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1907 (df_set_state): Removed function.
1908 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1909 * df-problems.c (df_chain_dump): Removed df parameter.
1910 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1911 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1913 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1914 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1915 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1916 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1917 DF_REF_MUST_CLOBBER cases.
1918 (df_ru_bb_local_compute_process_def,
1919 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1920 df_lr_bb_local_compute, df_ur_bb_local_compute,
1921 df_chain_create_bb): Made subreg aware.
1922 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1923 df_lr_bb_local_compute, df_lr_bb_local_compute,
1924 df_chain_create_bb): Cleanup to use proper macros.
1925 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1926 code to fixup bitvectors.
1927 (df_ri_alloc): Cleared lifetime.
1928 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1929 df_create_unused_note): New function.
1930 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1931 REG_DEAD and REG_UNUSED notes as well as register information.
1932 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1933 df_chains_dump): Fixed crash if problem was never run.
1934 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1935 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1936 df_ri_add_problem): Processes flags in uniform manner.
1937 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1938 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1939 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1940 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1941 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1942 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1943 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1944 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1945 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1946 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1947 * see.c (see_initialize_data): Ditto.
1948 * final.c (rest_of_clean_state) Added regstack_completed.
1949 * rtl.h (regstack_completed): Ditto.
1950 * reg-stack.c (regstack_completed): Ditto.
1952 2006-05-19 Mike Stump <mrs@apple.com>
1954 * c-tree.h (default_conversion): Remove.
1955 * c-common.h (default_conversion): Add.
1957 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1959 * tree-vrp.c (valid_value_p): New function.
1960 (adjust_range_with_scev): Fail if the value of bound is not
1963 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1965 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1966 (mips_fallback_frame_state): Use syscall numbers to determine
1967 the appropriate li instruction for the current ABI. Only use
1968 __NR_sigreturn for o32.
1970 2006-05-19 Nicolas Setton <setton@adacore.com>
1972 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1973 * langhooks.c (lhd_dwarf_name): New function.
1974 * langhooks-def.h (lhd_dwarf_name): Declare.
1975 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1976 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1977 * ada/misc.c (gnat_dwarf_name): New function.
1978 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1980 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1982 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1984 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1985 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1986 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1987 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1988 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1989 determine the size of Wtype, etc.
1990 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1991 (swfloatfuncs): New variable.
1992 (dwfloatfuncs): Likewise.
1993 (lib2funcs): Remove floating-point conversion functions from
1994 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1995 the set of conversion routines needed. Allow entries to specify
1996 an object name, filename and word size. Update users accordingly.
1997 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1998 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2002 2006-02-08 Roger Sayle <roger@eyesopen.com>
2005 * config/fixtfdi.c: New libgcc source file.
2006 * config/fixunstfdi.c: New source file.
2007 * config/floatditf.c: New source file.
2008 * config/floatunditf.c: New souce file.
2009 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2010 files above instead of config/mips/_tilib.c.
2011 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2013 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2015 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2016 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2018 2006-05-18 Mike Stump <mrs@apple.com>
2020 Fix up vla, vm and [*] sematics.
2026 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2027 (c_vla_unspec_p): Add.
2028 (c_vla_type_p): Add.
2029 * c-decl.c (struct c_scope): Add had_vla_unspec.
2030 (build_array_declarator): Add support for [*].
2031 (grokdeclarator): Likewise.
2032 (grokparms): Likewise.
2033 (get_parm_info): Likewise.
2034 * c-objc-common.c (c_vla_unspec_p): Likewise.
2035 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2036 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2037 typeof when argument is a variably modified type not inside sizeof or alignof.
2038 (c_parser_direct_declarator_inner): Propagate errors.
2039 (c_parser_sizeof_expression): Add support for [*].
2040 (c_parser_parms_declarator): Initialize had_vla_unspec.
2041 (c_parser_parms_list_declarator): Likewise.
2042 * c-typeck.c (c_vla_type_p): Add.
2043 (composite_type): Add support for vla compositing.
2044 (comptypes_internal): Add support for vla compatibility.
2045 (c_expr_sizeof_expr): Evaluate vla arguments.
2046 * tree.c (variably_modified_type_p): Update comment for [*].
2048 2006-05-18 Michael Matz <matz@suse.de>
2051 * config.host: Make assignments to host_xmake_file cumulative.
2052 * config.host (*-darwin*): Test $host, not $target.
2054 2006-05-12 Stuart Hastings <stuart@apple.com>
2056 * config/i386/i386.opt (-mstackrealign): New flag.
2057 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2058 (ix86_handle_cconv_attribute): Emit error when
2059 force_align_arg_pointer attribute collides with too many regparms.
2060 (ix86_function_regparm): Limit regparms when used with
2061 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2062 Support stack-realigning prologue in non-main functions. Emit
2063 warning for nested functions under -mstackrealign, emit error for
2064 nested functions with force_align_arg_pointer attribute.
2065 * doc/extend.texi (force_align_arg_pointer): Document it.
2066 * doc/invoke.texi (-mstackrealign): Document it.
2068 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2070 PR rtl-optimization/27477
2071 * combine.c (try_combine): Don't split a parallel consisting
2072 of two sets into two individual sets if both sets reference
2075 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2077 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2078 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2080 * doc/options.texi (VarExists): Updated.
2082 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2084 * unwind-dw2.c: Add declarations for uw_update_context and
2086 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2087 detected, advance frame state and context once to skip over stub.
2089 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2093 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2094 Call rewrite_into_loop_closed_ssa only when something changed.
2095 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2096 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2097 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2098 Test for perfect_nest_p here. Fix formating.
2099 (replace_uses_equiv_to_x_with_y): Fix formating.
2100 (stmt_uses_op): Removed.
2101 (can_convert_to_perfect_nest): Removed loopivs parameter.
2102 Complete the test by checking the scalar dependences.
2103 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2106 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2109 From Dan Kegel <dank@kegel.com>:
2110 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2112 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2114 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2115 if the element type is variably modified without recursing.
2117 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2120 * tree-loop-linear.c (try_interchange_loops): Test for
2121 no data dependences.
2123 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2125 PR tree-optimization/27548
2126 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2127 range of ssa names that appear on abnormal edges.
2128 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2129 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2131 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2134 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2136 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2139 * tree.h (OMP_PARALLEL_COMBINED): Define.
2140 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2141 (new_omp_context): Add is_combined_parallel argument.
2142 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2143 new_omp_context caller.
2144 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2145 Adjust gimplify_scan_omp_clauses callers.
2146 (omp_is_private): Issue errors if iteration variable is firstprivate
2147 or reduction in the current context.
2148 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2149 on combined parallel workshare constructs.
2151 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2153 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2154 (gcc-options.o): New rule.
2156 * optc-gen.awk: Protect variables for gcc-options.o with
2157 #ifdef GCC_DRIVER/#endif.
2159 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2161 Fix PR tree-optimization/27373
2162 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2163 (forward_propagate_addr_expr): Update call.
2165 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2167 * doc/options.texi: Move the Negative option.
2169 2006-05-16 Richard Guenther <rguenther@suse.de>
2171 PR tree-optimization/22303
2172 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2174 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2175 ccp_fold did not simplify the statement.
2177 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2180 * Makefile.in (GCC_OBJS): New.
2181 (OBJS-common): Add opts-common.o.
2182 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2183 (cpp$(exeext)): Likewise.
2184 (gcc.o): Also depend on opts.h.
2185 (opts-common.o): New.
2187 * common.opt (gcoff): Add Negative(gdwarf-2).
2188 (gdwarf-2): Add Negative(gstabs).
2189 (gstabs): Add Negative(gstabs+).
2190 (gstabs+): Add Negative(gvms).
2191 (gvms): Add Negative(gxcoff).
2192 (gxcoff): Add Negative(gxcoff+).
2193 (gxcoff+): Add Negative(gcoff).
2194 * config/i386/i386.opt (m32): Add Negative(m64).
2195 (m64): Add Negative(m32).
2197 * doc/options.texi: Document the Negative option.
2199 * gcc.c: Include "opts.h".
2200 (main): Call prune_options after expandargv.
2202 * optc-gen.awk: Generate common declarations for all flag
2203 variables in options.c. Output the neg_index field.
2205 * opts.c (find_opt): Moved to ...
2206 * opts-common.c: Here. New file.
2208 * opts.h (cl_option): Add a neg_index field.
2210 (prune_options): Likewise.
2212 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2215 * omp-low.c (expand_omp_parallel): Don't assert
2216 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2217 instead search for it.
2220 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2223 2006-05-16 Andreas Schwab <schwab@suse.de>
2225 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2228 2006-05-15 Roger Sayle <roger@eyesopen.com>
2231 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2232 integer constants other than zero are only legitimate on TARGET_64BIT.
2233 <CONST_VECTOR> Only zero vectors are legitimate.
2234 (ix86_cannot_force_const_mem): Integral and vector constants can
2235 always be put in the constant pool.
2237 2006-05-16 DJ Delorie <dj@redhat.com>
2239 * crtstuff.c (__dso_handle): Set section from
2240 TARGET_LBIGCC_SDATA_SECTION if defined.
2241 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2242 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2244 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2247 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2250 2006-05-16 Ben Elliston <bje@au.ibm.com>
2252 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2254 2006-05-15 Per Bothner <per@bothner.com>
2256 * tree.c: (last_annotated_node): Use source_locus typedef.
2257 This permits bootstrapping with --enable-mapped-location.
2259 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2261 PR tree-optimization/26830
2262 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2263 (info_for_ssa_name, current_info_for_ssa_name_age,
2264 blocks_to_update): New variables.
2265 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2266 (clear_ssa_name_info, initialize_flags_in_bb,
2267 mark_block_for_update): New functions.
2268 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2269 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2270 prepare_def_site_for): Use mark_block_for_update.
2271 (mark_def_interesting): Assert that the processed block is marked in
2272 blocks_to_update. Do not take blocks argument.
2273 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2275 (rewrite_update_init_block, rewrite_update_stmt): Only process
2276 blocks with statements to rewrite.
2277 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2278 (update_ssa): Initialize and free blocks_to_update. Do not
2279 clear flags on statements. Do not use blocks bitmap.
2280 * tree.h (SSA_NAME_AUX): Removed.
2281 (struct tree_ssa_name): Removed aux field.
2282 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2284 2006-05-15 Richard Guenther <rguenther@suse.de>
2286 PR tree-optimization/27603
2287 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2288 Do computations in original type.
2290 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2292 * see.c: Code style changes such as redundant paranthesis,
2293 redundant intialization of local variables etc.
2294 (see_main): Declared now as static.
2295 * doc/invoke.texi: Update that -fsee is not enabled by
2298 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2300 * omp-low.c (check_omp_nesting_restrictions): New function.
2301 (scan_omp_1): Call it.
2304 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2305 construct, return *VAR.
2307 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2309 PR rtl-optimization/27406
2310 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2313 2006-05-14 Roger Sayle <roger@eyesopen.com>
2315 PR rtl-optimization/27538
2316 * combine.c (expand_compound_operation): Call gen_lowpart
2317 before calling simplify_shift_const.
2319 2006-05-14 Roger Sayle <roger@eyesopen.com>
2321 PR rtl-optimization/22563
2322 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2323 a fixed width bitfield, always force the intermediates into psuedos.
2325 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2328 * mkconfig.sh: Use operator = instead of == for test.
2330 2006-05-13 Nick Clifton <nickc@redhat.com>
2332 * dwarf2out.c (dbx_reg_number): Check return value from
2333 LEAF_REG_REMAP and only use it if it is valid.
2334 (multiple_reg_loc_descriptor): Likewise.
2336 2006-05-13 Richard Guenther <rguenther@suse.de>
2338 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2341 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2343 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2344 information attached to non-INSNs such as NOTEs.
2345 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2347 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2349 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2351 * config/s390/s390.md: Adjust comment describing On constraint.
2353 2006-05-11 Jan Hubicka <jh@suse.cz>
2355 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2356 to be output at -O0.
2358 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2361 * fold-const.c (size_binop): Move sanity check for arguments to
2362 the beginning of the function.
2365 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2368 2006-05-11 Richard Guenther <rguenther@suse.de>
2371 * fold-const.c (fold_unary): Handle intermediate conversion
2372 to a pointer type like intermediate conversion to an integer
2373 type in folding of (T1)(T2)var to var.
2374 Match the code to the comment in the final conversion for
2375 (T1)(T2)var to (T1)var regarding to type precision. Rather
2376 than disallow T1 being of pointer type, assert that both T1
2377 and var are of pointer type or not. Make sure not to fall
2378 over the frontends lazyness wrt array to pointer decay though.
2380 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2382 * arm.c (arm_struct_value_rtx): Delete.
2383 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2384 (arm_init_cumulative_args): Always initialize nregs to zero.
2386 2006-05-10 Richard Guenther <rguenther@suse.de>
2388 PR tree-optimization/27532
2389 * tree-object-size.c (plus_expr_object_size): Fix typo.
2391 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2394 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2395 ashrdi_const, ashrdi3): Use a scratch register.
2397 2006-05-10 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/27302
2400 * fold-const.c (operand_equal_p): For two comparisons,
2401 try comparison of one comparison code swapped if that yields
2404 2006-05-10 Ben Elliston <bje@au.ibm.com>
2406 * tree-pretty-print.c (pretty_print_string): No need to handle
2407 '\0' as a special character.
2409 * tree.h: Include "hashtab.h".
2410 (iterative_hash_expr): Use hashval_t in its prototype.
2411 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2413 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2416 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2417 (hppa*64*-*-hpux11*): Ditto.
2418 (hppa[12]*-*-hpux11*): Ditto.
2420 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2423 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2425 2006-05-09 Michael Matz <matz@suse.de>
2427 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2428 host_extra_gcc_objs and host_xmake_file.
2429 (<*-*-linux*>): Don't overwrite host_xmake_file.
2430 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2431 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2432 (host_detect_local_cpu): Declare.
2433 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2434 * config/i386/i386.c (override_options): Handle -mtune=native
2436 * config/i386/x-i386: New file.
2437 * config/i386/driver-i386.c: New file.
2438 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2441 2006-05-09 Dirk Mueller <dmueller@suse.de>
2442 Richard Guenther <rguenther@suse.de>
2445 * fold-const.c (fold_read_from_constant_string): Relax check
2446 for matching types to matching modes.
2448 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2450 PR rtl-optimization/27335
2451 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2454 2006-05-08 Chao-ying Fu <fu@mips.com>
2455 Richard Sandiford <richard@codesourcery.com>
2457 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2458 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2459 * config/mips/mips.md (UNSPEC_SCC): New constant.
2460 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2461 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2462 (mips_emit_compare): Use it.
2463 (mips_expand_vcondv2sf): New function.
2465 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2467 Fix PR tree-optimization/27093
2468 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2469 renaming when they become not-used_alone.
2471 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2473 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2474 relocation and relocation stubs.
2476 2006-05-08 Eric Christopher <echristo@apple.com>
2478 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2481 2006-05-08 Jan Hubicka <jh@suse.cz>
2484 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2485 unused static functions are needed.
2487 2006-05-08 Roger Sayle <roger@eyesopen.com>
2490 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2491 of a reg_equiv_constant if the result is a legitimate constant.
2493 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2496 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2497 standard 80387 constants, raise the cost to prevent
2498 compress_float_constant() to generate load from memory.
2500 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2502 * config/arm/constraints.md (c): Fix a typo.
2504 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2507 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2510 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2512 (_mm_mwait): Likewise.
2514 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2516 (sse3_monitor): Make it 32bit only.
2517 (sse3_monitor64): New. 64bit monitor.
2519 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2522 * config/i386/i386.c (classify_argument): Skip fields with invalid
2525 2006-05-07 Richard Guenther <rguenther@suse.de>
2527 PR tree-optimization/27409
2528 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2529 Do not try to find zero-sized subvars.
2531 2006-05-07 Richard Guenther <rguenther@suse.de>
2533 PR tree-optimization/27136
2534 * tree-ssa-loop-niter.c (get_val_for): Correct function
2535 comment, assert requirements.
2536 (loop_niter_by_eval): Stop processing if the iterated
2537 value did not simplify.
2539 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2541 * opts.c (flag_see): remove its setting at -O3.
2543 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2545 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2546 * arm/constraints.md: New file.
2547 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2548 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2549 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2550 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2551 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2552 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2553 * arm.md: Include constraints.md.
2554 (thumb_movsi_insn): Use satisfies_constraint_J.
2555 (movhi, movqi): Use satisfies_constraint_I.
2557 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2559 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2560 for atmeg a645 device.
2562 2006-05-06 Richard Guenther <rguenther@suse.de>
2564 PR tree-optimization/27151
2565 * tree-vect-transform.c (vectorizable_condition): Punt on
2566 values that have a different type than the condition.
2568 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2571 * c-parser.c (c_parser_cast_expression): Only insert casts into
2572 hash table if pointer.
2573 * function.c (used_types_insert_helper): Rename from
2575 (used_types_insert): Call used_types_insert_helper.
2576 * function.h (used_types_insert): Accept only one argument.
2578 2006-05-05 David Edelsohn <edesohn@gnu.org>
2580 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2581 scratch with output modifier.
2583 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2586 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2587 with output modifier.
2589 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2592 * config/mips/mips.c (mips_symbolic_address_p): Return true
2593 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2594 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2596 2006-05-04 Richard Guenther <rguenther@suse.de>
2598 PR tree-optimization/14287
2599 PR tree-optimization/14844
2600 PR tree-optimization/19792
2601 PR tree-optimization/21608
2602 PR tree-optimization/27090
2603 * tree-ssa-pre.c (try_combine_conversion): New function.
2604 (compute_avail): After constructing the value-handle
2605 expression, use try_combine_conversion to combine NOP_EXPRs
2606 with previous value-handle expressions and use the result if it
2609 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2611 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2613 2006-05-04 Jan Hubicka <jh@suse.cz>
2616 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2618 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2620 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2621 that this only matches CONST_INTs. All users changed to VOIDmode
2624 * config/bfin/bfin.c: Include "optabs.h".
2625 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2627 (enum bfin_builtins): Add a number of fractional and vector builtins.
2628 (bfin_init_builtins): Likewise.
2629 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2630 (safe_vector_operand, bfin_expand_binop_builtin,
2631 bfin_expand_unop_builtin): New functions.
2632 (bfin_expand_builtin): Handle the new builtins.
2633 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2636 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2639 * Makefile.in (OBJS-common): Add see.o.
2640 (see.o): Add dependencies.
2641 * common.opt (fsee): New flag for the see optimization was added.
2642 * opts.c (flag_see): Initialized.
2643 * passes.c (init_optimization_passes, pass_see): New pass.
2644 * rtl.h (see_main): Declaration as extern.
2645 * timevar.def (TV_SEE): New.
2646 * tree-pass.h (pass_see): Declaration as extern.
2647 * invoke.texi (-fsee): Document.
2648 * recog.c (validate_simplify_insn): New function.
2649 * recog.h (validate_simplify_insn): Declaration as extern.
2650 * df-problems.c (df_chain_dump): Check for NULL.
2652 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2653 Daniel Berlin <dberlin@dberlin.org>
2655 * cfgrtl.c (insert_insn_bb_end_new): New function.
2656 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2658 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2660 * df.h (struct web_entry): Moved from web.c.
2661 (union_defs): Declaration as extern.
2662 (unionfind_root): Likewise.
2663 (unionfind_union): Likewise.
2664 * web.c (struct web_entry): Moved to df.h.
2665 (unionfind_root): Remove static declaration.
2666 (unionfind_union): Likewise.
2667 (union_defs): Likewise and generalize to use callback function.
2668 (web_main): Update arguments for union_defs function call.
2670 2006-05-04 Richard Guenther <rguenther@suse.de>
2672 PR tree-optimization/26447
2673 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2674 produce SSA_NAME copies before the store stmt to avoid
2675 breaking exception handling.
2677 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2680 * gimplify.c (omp_is_private): If var is shared in some outer context,
2681 return false instead of true. Stop searching on parallel context
2684 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2687 * coverage.c: Use get_gcov_unsigned_t() instead of
2688 unsigned_type_node all over.
2690 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2692 PR tree-optimization/27381
2693 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2694 maintain the same immediate_use links.
2695 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2696 node rather than segfaulting.
2698 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2701 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2702 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2703 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2705 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2707 Fix PR tree-optimization/26626
2708 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2710 * tree-ssa-operands.c (access_can_touch_variable): Allow
2711 typecasting through union pointers.
2713 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2716 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2717 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2718 to find if var will be a global variable even in the nested context.
2719 (omp_copy_decl): Only check for global variable at the end, it might
2720 be overridden in outer contexts.
2721 (scan_sharing_clauses): For global variables don't create a field.
2722 (lower_rec_input_clauses): Do nothing for global shared variables.
2723 Emit a barrier at the end of ILIST if there were any decls in both
2724 firstprivate and lastprivate clauses.
2725 (lower_send_clauses): Do nothing for global variables except for
2728 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2730 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2731 of the correct signedness is returned.
2733 2006-05-02 Jeff Law <law@redhat.com>
2735 PR tree-optimization/27364
2736 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2737 multiply expressions.
2739 2006-05-02 Tom Tromey <tromey@redhat.com>
2741 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2743 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2746 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2747 -mthumb -fPIC are used.
2749 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2750 Joshua Kinard <kumba@gentoo.org>
2753 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2754 with 64-bit pointers.
2756 2006-05-02 Paul Brook <paul@codesourcery.com>
2758 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2760 (create_fix_barrier): Check that a suitable barrier location is
2762 (arm_reorg): Include ftmp->address in allowable range of addresses.
2764 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2767 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2770 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2773 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2774 around RESULT_DECL for result passed by reference.
2775 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2776 * omp-low.c (use_pointer_for_field): Don't look at
2777 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2778 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2779 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2780 time or var for passing by reference for
2781 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2782 TREE_ADDRESSABLE variables when passing by reference.
2784 * omp-low.c (dump_omp_region): Fix output formatting.
2787 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2788 (expand_omp_parallel): Likewise.
2789 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2792 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2793 on statement list containing also constructors and destructors.
2794 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2797 * except.c (duplicate_eh_regions): Fix clearing of
2798 cfun->eh->region_array entries.
2800 2006-05-01 DJ Delorie <dj@redhat.com>
2802 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2804 (gcc_cv_objdump): Likewise.
2805 * configure: Regenerated.
2807 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2810 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2811 templates for case 3 and 4.
2813 2006-05-01 DJ Delorie <dj@redhat.com>
2815 * vec.c: Include bconfig.h when appropriate.
2816 * Makefile.in (build/vec.o): Adjust dependencies.
2817 * mkconfig.sh: Make sure config.h isn't used for build machine
2820 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2822 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2824 (mark_phi_for_rewrite): New function.
2825 (insert_phi_nodes_for, mark_use_interesting): Call
2826 mark_phi_for_rewrite.
2827 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2828 (update_ssa): Initialize and free phis_to_rewrite.
2830 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2832 PR rtl-optimization/27291
2833 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2834 folded to a constant.
2836 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2838 PR tree-optimization/27283
2839 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2840 not whole # of iteration descriptions.
2841 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2842 uses abnormal ssa name.
2843 (niter_for_single_dom_exit): Ditto.
2844 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2845 return just the number of iterations.
2847 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2849 PR tree-optimization/27144
2850 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2851 (record_estimate): Only record constant upper bound.
2852 (infer_loop_bounds_from_undefined): Call
2853 compute_estimated_nb_iterations just once.
2854 (proved_non_wrapping_p): Renamed to ...
2855 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2856 (convert_step_widening, scev_probably_wraps_p): Call
2857 n_of_executions_at_most instead of proved_non_wrapping_p.
2858 (substitute_in_loop_info): Do not replace values in bounds.
2859 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2862 2006-05-01 Richard Henderson <rth@redhat.com>
2865 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2866 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2869 2006-05-01 Roger Sayle <roger@eyesopen.com>
2871 * c-typeck.c (parser_build_binary_op): Don't call the function
2872 unsigned_conversion_warning to spot operand/result type overflow.
2873 (build_binary_op): Instead, call convert_and_check instead of
2874 convert to report the problem when the operands are promoted.
2875 * c-common.c (unsigned_conversion_warning): Make static.
2876 * c-common.h (unsigned_conversion_warning): Delete prototype.
2878 2006-05-01 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/26726
2881 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2883 (find_interesting_uses_address): ... we work around here
2884 by folding INDIRECT_REFs in the substituted base.
2886 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2888 * omp-low.c (dump_omp_region): Add newlines.
2890 2006-04-30 Roger Sayle <roger@eyesopen.com>
2892 * common.opt (Woverflow): New command line option.
2893 * c-common.c (constant_expression_warning): Check warn_overflow.
2894 (overflow_waring): Pass OPT_Woverflow to warning.
2895 (unsigned_conversion_warning): Likewise.
2896 (convert_and_check): Likewise.
2897 * doc/invoke.texi: Document new command line option.
2899 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2901 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2902 TARGET_NO_FP_IN_TOC for section anchors.
2903 (optimization_options): Enable section anchors for all
2904 non-"Objective" languages.
2906 2006-04-28 Eric Christopher <echristo@apple.com>
2908 * config/darwin-c.c (darwin_ms_struct): Move this
2909 (darwin_set_default_type_attributes): and this...
2910 * config/darwin.c: ... here.
2911 * config/darwin.h (darwin_ms_struct): Declare.
2913 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2917 2006-04-28 Roger Sayle <roger@eyesopen.com>
2920 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2921 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2922 an unsigned HOST_WIDE_INT.
2923 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2925 (really_start_incremental_init): No need to call convert because
2926 bitsize_zero_node is already of type bitsizetype.
2927 (push_init_level): Extract the value of constructor_index as an
2928 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2929 (process_init_element): Likewise.
2931 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2933 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2934 value before passing to make_relative_prefix.
2936 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2939 * builtins.c (expand_builtin_memset): Expand val in original mode.
2941 2006-04-27 Eric Christopher <echristo@apple.com>
2943 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2944 with #ifndef/#endif.
2945 * config/darwin-c.c (darwin_ms_struct): New.
2946 (darwin_pragma_ms_struct): Ditto.
2947 (darwin_set_default_type_attributes): Ditto.
2948 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2949 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2950 Register ms_struct pragma.
2951 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2952 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2953 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2954 darwin_set_default_type_attributes if TARGET_MACHO.
2956 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2958 PR tree-optimization/26854
2959 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2960 * doc/tree-ssa.texi: Update immuse iterator documentation.
2961 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2963 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2964 first_safe_imm_use, next_safe_imm_use): Remove.
2965 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2966 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2967 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2968 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2969 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2970 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2971 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2972 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2973 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2974 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2975 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2976 (perfect_nestify): Use new iterator.
2977 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2979 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2980 (next_imm_name): New field in struct immediate_use_iterator_d.
2981 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2982 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2983 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2984 * tree-cfg.c (replace_uses_by): Use new iterator.
2985 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2986 * tree-ssa-operands.c (correct_use_link): Remove.
2987 (finalize_ssa_use_ops): No longer call correct_use_link.
2989 2006-04-27 Stuart Hastings <stuart@apple.com>
2991 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2992 * config/t-darwin (crt3.o): Use it.
2993 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2994 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2995 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2996 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2997 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3000 2006-04-27 Roger Sayle <roger@eyesopen.com>
3002 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3003 size, force the intermediate into a new pseudo rather instead of
3004 performing both a bitwise AND and a bitwise IOR in memory.
3006 2006-04-27 Richard Guenther <rguenther@suse.de>
3008 PR rtl-optimization/26685
3009 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3010 this one "max-flow-memory-locations".
3012 2006-04-27 Richard Guenther <rguenther@suse.de>
3014 PR tree-optimization/25148
3015 * tree-vrp.c (compare_values): Remove code dealing with
3016 comparisons against type min/max value. Honour overflow
3017 and negative constants in code dealing with comparisons
3018 of plus and minus expressions.
3019 (value_inside_range): Use fold_binary with LE_EXPR and
3020 GE_EXPR rather than compare_values.
3022 2006-04-27 Dirk Mueller <dmueller@suse.de>
3024 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3027 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3029 * basic-block.h (safe_insert_insn_on_edge): Removed.
3030 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3032 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3033 Paolo Bonzini <bonzini@gnu.org>
3036 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3037 (simplify_and_const_int): Same.
3039 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3041 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3043 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3046 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3047 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3048 cgraph_global_info_ready.
3051 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3054 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3055 either decl or init is error_mark_node.
3058 * tree-flow.h (struct omp_region): Add sched_kind.
3059 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3060 instead of extracting omp for data.
3061 (expand_omp_for): Save extracted sched_kind.
3063 2006-04-25 Roger Sayle <roger@eyesopen.com>
3065 * expmed.c (store_bit_field): Also check whether the bitsize is
3066 valid for the machine's "insv" instruction before moving the
3067 target into a pseudo for use with the insv.
3068 * config/i386/predicates.md (const8_operand): New predicate.
3069 * config/i386/i386.md (extv, extzv, insv): Use the new
3070 const8_operand predicate where appropriate.
3072 2006-04-25 DJ Delorie <dj@redhat.com>
3074 * doc/install.texi (Specific): Clarify that this is not a list of
3075 supported hosts or targets.
3077 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3079 PR rtl-optimization/26725
3080 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3081 block's BB_DIRTY flag.
3083 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3085 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3088 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3089 to print an integer.
3091 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3093 * varasm.c (align_variable): New function.
3094 (get_block_for_decl): Apply align_variable to DECL before
3095 calculating section information.
3096 (assemble_variable): Split out alignment computation.
3098 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3100 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3103 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3105 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3106 MODE_PARTIAL_INT mode.
3107 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3108 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3110 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3111 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3113 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3115 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3117 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3118 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3119 MACFLAG_IH): Likewise.
3120 (movstricthi_1): Renamed from "*movstricthi".
3121 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3122 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3123 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3124 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3125 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3126 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3127 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3128 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3129 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3130 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3131 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3132 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3133 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3134 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3135 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3137 * doc/rtl.texi (ss_ashift): Improve wording.
3139 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3141 * dwarf2out.c (verify_marks_clear): New.
3142 (prune_unused_types): Call verify_marks_clear initially, not
3145 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3147 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3148 * doc/rtl.texi: Document them.
3149 * simplify-rtx.c (simplify_unary_operation,
3150 simplify_binary_operation_1): Don't abort when we see them.
3152 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3155 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3156 * configure.ac: Completely disregard languages that are not
3158 * configure: Regenerated.
3160 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3161 Richard Guenther <rguenther@suse.de>
3163 PR tree-optimization/27236
3164 * tree-inline.c (copy_body_r): Make sure to copy
3165 TREE_THIS_VOLATILE flag.
3167 2006-04-24 Richard Guenther <rguenther@suse.de>
3170 * tree-complex.c (update_parameter_components): Don't handle
3171 unused parameters which have no default def.
3173 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3174 Richard Guenther <rguenther@suse.de>
3176 PR tree-optimization/27218
3177 * tree-inline.c (expand_call_inline): Strip useless type
3178 conversions for the return slot address.
3180 2006-04-24 Richard Guenther <rguenther@suse.de>
3182 * cfgloop.h (struct loops): Remove unused field array. Reorder
3184 (LOOP_PREFETCH): Remove.
3186 2006-04-24 Richard Guenther <rguenther@suse.de>
3188 PR tree-optimization/22525
3189 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3190 variable, adjust types of generated expressions.
3192 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3194 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3195 (tree-vect-patterns.o): Likewise.
3197 (cselib.o): Likewise.
3198 (loop-doloop.o): Likewise.
3199 (regclass.o): Likewise.
3200 (reload1.o): Likewise.
3201 (explow.o): Replace target.h with $(TARGET_H).
3202 (ipa-prop.o): Likewise.
3203 (ipa-cp.o): Likewise.
3204 (ipa-inline.o): Likewise.
3205 (reorg.o): Likewise.
3206 (reg-stack.o): Likewise.
3208 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3210 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3212 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3214 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3216 * configure.ac: Completely disregard languages that are not
3218 * configure: Regenerated.
3221 * c-common.h (c_build_bitfield_integer_type): Declare.
3222 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3223 * c-common.c (c_build_bitfield_integer_type): ... here.
3225 2006-04-23 Roger Sayle <roger@eyesopen.com>
3228 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3229 a SImode SUBREG of a floating point register after no_new_pseudos.
3231 2006-04-23 Roger Sayle <roger@eyesopen.com>
3233 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3234 identify potentially eliminable registers to additionally catch
3235 VIRTUAL_INCOMING_ARGS_REGNUM.
3236 (addsi3): Update the conditions on when to use addsi_small_int.
3238 2006-04-23 Roger Sayle <roger@eyesopen.com>
3241 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3242 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3243 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3245 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3247 * fold-const.c (range_predecessor): Use operand_equal_p
3248 as the predicate for equality.
3249 (range_successor): Likewise.
3251 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3254 * config/soft-fp/op-common.h: Fix a typo.
3256 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3259 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3260 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3262 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3264 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3266 * doc/tm.texi: Fix a typo.
3268 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3270 * dwarf2out.c (struct die_struct): Document that die_sib makes
3271 a circular linked list.
3272 (FOR_EACH_CHILD): New.
3273 (reverse_die_lists): Delete.
3274 (reverse_all_dies): Delete.
3275 (add_dwarf_attr): Correct documentation.
3276 (remove_child_with_prev): New.
3277 (remove_child_TAG): Update for change to die_struct, use
3278 remove_child_with_prev.
3279 (add_child_die): Update for change to die_struct.
3280 (splice_child_die): Use remove_child_with_prev and add_child_die.
3281 (print_die): Use FOR_EACH_CHILD.
3282 (die_checksum): Likewise.
3283 (assign_symbol_names): Likewise.
3284 (output_location_lists): Likewise.
3285 (build_abbrev_table): Likewise.
3286 (calc_die_sizes): Likewise.
3287 (mark_dies): Likewise.
3288 (unmark_dies): Likewise.
3289 (unmark_all_dies): Likewise.
3290 (output_die): Likewise.
3291 (prune_unused_types_mark): Likewise.
3292 (prune_unused_types_walk): Likewise.
3293 (same_die_p): Update for change to die_struct.
3294 (break_out_includes): Likewise.
3295 (prune_unused_types_prune): Likewise.
3296 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3297 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3299 (dwarf2out_finish): Don't call reverse_all_dies.
3301 2006-04-21 Eric Christopher <echristo@apple.com>
3303 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3304 in comments and function names.
3306 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3309 * c-typeck.c (digest_init): Robustify.
3311 * c-typeck.c (pop_init_level): Simplify.
3313 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3315 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3317 2006-04-21 Paul Brook <paul@codesourcery.com>
3319 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3320 hardware floating point.
3322 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3324 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3327 2006-04-21 Nick Clifton <nickc@redhat.com>
3329 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3332 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3335 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3336 C++ lang type in traceback table for Objective-C++.
3338 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3340 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3342 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3344 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3347 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3348 were errors. Remove check for erroneous objects.
3350 2006-04-20 Jeff Law <law@redhat.com>
3352 PR tree-optimization/26854
3353 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3354 checking for zero or one use.
3355 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3356 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3357 * tree-ssa-reassoc.c (negate_value): Similarly.
3358 (reassociate_bb): Similarly.
3360 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3362 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3363 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3364 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3366 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3368 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3369 fp regs if the last fp arg doesn't fit in regs.
3371 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3374 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3375 that the last insn has the REG_INC note.
3377 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3378 Nathan Sidwell <nathan@codesourcery.com>
3381 * stor-layout.c (update_alignment_for_field): Do not align
3383 (place_union_field): Place union field at the start of the union.
3384 (place_field): Move ERROR_MARK check later, and use the current
3385 allocation position to maintain monotonicity.
3387 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3389 * dominance.c: Include timevar.h.
3390 (calculate_dominance_info): Use TV_DOMINANCE.
3391 * timevar.def (TV_DOMINANCE): New timevar.
3392 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3394 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3396 PR rtl-optimization/14261
3397 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3398 move would be an INSV insn.
3399 (noce_process_if_block): Don't optimize if the destination is a
3400 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3402 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3404 * config/s390/s390.md: Add comments with the instructions emitted
3405 by an insn pattern if macros are used.
3407 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3409 PR rtl-optimization/26026
3410 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3411 is a known power of two shifted left a variable amount.
3413 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3415 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3416 to hash table twice when the debug_str section has SECTION_MERGE.
3418 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3420 * config/soft-fp: New directory. From glibc.
3421 * config/soft-fp/t-softfp: New.
3422 * config/soft-fp/README: New.
3423 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3424 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3425 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3426 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3427 * config.gcc: Use rs6000/t-fprules-fpbit or
3428 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3430 * config/rs6000/sfp-machine.h: New. Based on glibc.
3431 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3433 * config/rs6000/t-fprules: Remove fp-bit rules.
3434 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3435 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3436 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3437 (softfp_wrap_start, softfp_wrap_end): New.
3439 2006-04-18 DJ Delorie <dj@redhat.com>
3441 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3443 2006-04-18 Devang Patel <dpatel@apple.com>
3445 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3447 2006-04-18 Nick Clifton <nickc@redhat.com>
3449 * config/sh/t-symbian: Add rule to build sh-c.o
3450 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3451 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3452 (sh_symbian_encode_section_info): Likewise.
3454 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3456 * builtins.c (expand_builtin_strcmp): Cover label definition of
3457 do_libcall with HAVE_cmpstrnsi.
3459 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3461 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3463 * function.h (temp_slot_p): New.
3464 (function): Change the type of x_used_temp_slots to
3465 VEC(temp_slot_p,gc) *.
3467 2006-04-18 Nick Clifton <nickc@redhat.com>
3469 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3470 flag_strength_reduce.
3472 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3474 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3478 Partial revert of revision 112637
3479 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3480 Dale Johannesen <dalej@apple.com>
3483 * regclass.c (struct reg_pref): Update documentation.
3484 (regclass): Set prefclass to NO_REGS if memory is the best option.
3485 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3487 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3489 PR tree-optimization/26821
3490 * tree-ssa-math-opts.c (get_constant_one): New.
3491 (insert_reciprocals): Use it.
3493 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3495 * dwarf2out.c (free_AT): Delete.
3496 (remove_AT): Update string ref counts.
3497 (remove_child_TAG): Don't call free_die.
3499 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3500 or DW_TAG_GNU_EINCL.
3501 (prune_unused_types_walk_attribs): Reset string refcounts.
3502 (prune_unused_types_update_strings): New.
3503 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3504 call free_die. Do call prune_unused_types_update_strings.
3505 (prune_unused_types): Empty debug_str_hash.
3507 2006-04-17 Roger Sayle <roger@eyesopen.com>
3509 * expr.c (expand_assignment): Optimize away no-op moves where the
3510 source and destination are equal and have no side-effects.
3512 2006-04-17 Richard Guenther <rguenther@suse.de>
3515 * reload.c (push_reload): Guard calls to get_secondary_mem
3518 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3520 * alias.c (reg_base_value, old_reg_base_value): Change the
3521 type to VEC(rtx,gc) *.
3522 (REG_BASE_VALUE, find_base_value, record_set,
3523 init_alias_analysis): Use VEC instead of VARRAY.
3525 * alias.c (alias_sets): Change the type to
3526 VEC(alias_set_entry,gc) *.
3527 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3528 VEC instead of VARRAY.
3529 (last_alias_set): Remove.
3531 * cgraph.h (cgraph_edge_p): New.
3532 Update the prototype of cgraph_function_versioning.
3533 * cgraphunit.c (cgraph_copy_node_for_versioning,
3534 cgraph_function_versioning): Use VEC instead of VARRAY.
3535 * ipa-cp.c (ipcp_insert_stage): Likewise.
3537 2006-04-16 Roger Sayle <roger@eyesopen.com>
3540 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3541 "A op B" or "A op C", we may need to convert A to the type of B and C.
3543 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3545 * target.h (struct gcc_target): Add mode_rep_extended.
3546 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3547 (init_num_sign_bit_copies_in_rep): Initialize it using
3549 (truncate_to_mode): Use it.
3550 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3551 * targhooks.h (default_mode_rep_extended): Declare it.
3552 * targhooks.c (default_mode_rep_extended): Define it.
3553 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3554 default_mode_rep_extended.
3555 (TARGET_INITIALIZER): Include it.
3556 * doc/tm.texi (Misc): Document it.
3557 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3558 (mips_truncated_to_mode): New function.
3560 2006-04-16 Roger Sayle <roger@eyesopen.com>
3563 * expr.c (compress_float_constant): Copy the narrow constant into
3564 a new pseudo before extending it to its final width.
3566 2006-04-16 Roger Sayle <roger@eyesopen.com>
3567 Andrew Pinski <pinskia@gcc.gnu.org>
3568 Dale Johannesen <dalej@apple.com>
3571 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3572 special case code to implement V8HImode and V16QImode with SSE2.
3574 2006-04-15 Roger Sayle <roger@eyesopen.com>
3576 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3577 trees are constructed with a suitable tree type.
3579 2006-04-15 Roger Sayle <roger@eyesopen.com>
3581 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3582 (integer_onep): Likewise.
3583 (integer_all_onesp): Likewise.
3584 (integer_pow2p): Likewise.
3585 (integer_nonzerop): Likewise.
3586 (real_zerop): Likewise.
3587 (real_onep): Likewise.
3588 (real_twop): Likewise.
3589 (real_minus_onep): Likewise.
3590 (int_size_in_bytes): Likewise.
3591 (host_integerp): Likewise.
3593 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3595 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3596 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3597 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3599 * tree-ssa-structalias.h (alias_info): Remove num_references.
3601 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3603 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3604 (output_bvb patterns): Likewise.
3605 * pa.c (output_bb): Use 'bb' insn for long branch case.
3606 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3607 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3608 1. Correct length operand for alternatives 1 and 2.
3609 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3610 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3612 2006-04-14 Roger Sayle <roger@eyesopen.com>
3614 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3615 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3616 were accidentally reverted by r112959.
3618 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3621 * except.h (eh_region_outermost): New prototype.
3622 * except.c (eh_region_outermost): New function.
3623 * tree-cfg.c (find_outermost_region_in_block): Use it.
3625 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3627 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3629 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3630 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3631 (init_reload, reload): Use VEC instead of VARRAY.
3632 * reload.h: Update the prototype for
3633 reg_equiv_memory_loc_varray.
3635 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3636 Eric Botcazou <ebotcazou@libertysurf.fr>
3638 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3641 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3644 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3645 to expand fallback builtin function call.
3647 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3650 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3651 and emit libcall here in case the builtin fails.
3652 (expand_builtin_strcmp): Always emit the libcall here on failure.
3654 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3656 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3657 * flow.c (reg_n_info): Change the type to
3658 VEC(reg_info_p,heap) *.
3659 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3661 * regs.h (reg_info_p): New.
3662 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3663 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3664 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3667 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3669 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3671 * params.h (MAX_SCHED_READY_INSNS): New macro.
3672 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3673 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3674 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3675 the ready list for 1 cycle during the first scheduling pass.
3676 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3678 2006-04-13 Richard Henderson <rth@redhat.com>
3681 * gimple-low.c (lower_omp_directive): Remove dead code.
3682 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3683 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3684 * omp-low.c (struct omp_region): Move to tree-flow.h.
3685 (root_omp_region): Export.
3686 (omp_regions, lookup_omp_region): Remove.
3687 (determine_parallel_type): Update for struct omp_region changes.
3688 (dump_omp_region): Dump regions with block numbers.
3689 (new_omp_region): Take type and block instead of stmt; malloc
3691 (free_omp_region_1, free_omp_regions): New.
3692 (expand_parallel_call): Take entry_stmt as argument; update for
3693 changes to omp_region.
3694 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3695 (remove_exit_barriers): New.
3696 (expand_omp_parallel): Update for struct omp_region changes.
3697 (expand_omp_synch): Likewise.
3698 (expand_omp): Likewise.
3699 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3700 (expand_omp_for_static_chunk): Likewise.
3701 (expand_omp_for): Likewise.
3702 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3703 (expand_omp_sections): Similarly, with GOMP_sections_end.
3704 (expand_omp_single): New.
3705 (build_omp_regions_1): Update for OMP_CONTINUE.
3706 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3707 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3708 OMP_SECTIONS_SECTIONS.
3709 (lower_omp_single_simple): Don't emit barrier here.
3710 (lower_omp_single_copy): Likewise.
3711 (lower_omp_single): Fix bindings, and lower to straightline now.
3712 (lower_omp_master, lower_omp_ordered): Likewise.
3713 (lower_omp_critical): Likewise.
3714 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3715 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3716 omp edges, free it afterward.
3717 (make_omp_sections_edges): Remove.
3718 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3719 (move_stmt_r): Handle OMP_CONTINUE.
3720 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3721 statement pointers to basic blocks. Add type member.
3722 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3723 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3724 * tree-inline.c (estimate_num_insns_1): Likewise.
3725 * tree-pretty-print.c (dump_generic_node): Likewise.
3726 * tree-ssa-operands.c (get_expr_operands): Likewise.
3727 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3728 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3729 (OMP_CONTINUE): New.
3730 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3731 (OMP_SECTIONS_SECTIONS): Remove.
3732 (OMP_SECTION_LAST): New.
3733 (OMP_RETURN_NOWAIT): New.
3735 2006-04-13 Roger Sayle <roger@eyesopen.com>
3737 * fold-const.c (native_encode_vector, native_interpret_real):
3738 Correct obvious mistakes in the previous check-in.
3740 2006-04-13 Roger Sayle <roger@eyesopen.com>
3742 * fold-const.c (native_encode_expr): New function to encode
3743 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3744 or VECTOR_CST into a specified buffer.
3745 (native_encode_int): New function.
3746 (native_encode_real): New function.
3747 (native_encode_complex): New function.
3748 (native_encode_vector): New function.
3749 (native_interpret_expr): Inverse of native_encode_expr to convert
3750 a target representation into an INTEGER_CST, REAL_CST etc...
3751 (native_interpret_int): New function.
3752 (native_interpret_real): New function.
3753 (native_interpret_complex): New function.
3754 (native_interpret_vector): New function.
3755 (fold_view_convert_expr): New function to constant fold/evaluate
3756 a VIEW_CONVERT_EXPR of a suitable constant expression.
3757 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3758 Change call of build1 to fold_build1 when constructing a
3761 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3762 Ulrich Weigand <uweigand@de.ibm.com>
3765 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3768 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3771 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3772 optimize to lo_sum for DFmode if !TARGET_FPRS.
3774 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3776 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3777 delete_alias_info, compute_flow_sensitive_aliasing,
3778 group_aliases): Use VEC instead of VARRAY.
3779 * tree-ssa-structalias.c (update_alias_info): Likewise.
3780 * tree-ssa-structalias.h (alias_info): Change the type of
3781 processed_ptrs to VEC(tree,heap) *.
3783 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3786 * config/sh/lib1funcs.h: New file, broken out of:
3787 * config/sh/lib1funcs.asm.
3788 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3790 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3791 * config/sh/lib1funcs-Os-4-200.asm: New file.
3792 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3793 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3794 (EXTRA_MULTILIB_PARTS): Include it.
3795 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3796 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3797 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3798 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3801 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3803 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3804 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3805 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3807 * tree-ssa-live.h: Include vecprim.h.
3808 (tree_partition_associator_d): Change the type of
3809 first_partition to VEC(int,heap) *.
3810 (tpa_first_partition): Use VEC instead of VARRAY.
3812 * Makefile.in (GTFILES): Move functions.h after tree.h.
3813 * function.c (reset_block_changes, record_block_change,
3814 check_block_change, free_block_changes): Use VEC instead of
3816 * function.h (function): Change the type of
3817 ib_boundaries_block to VEC(tree,gc) *.
3818 * tree-inline.c (copy_cfg_body): Initialize
3819 ib_boundaries_block to NULL instead of (varray_type) 0.
3821 2006-04-12 Roger Sayle <roger@eyesopen.com>
3823 * expr.c (emit_group_store): Correct operand order in call to
3824 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3825 a SUBREG_BYTE of zero.
3827 2006-04-12 Richard Guenther <rguenther@suse.de>
3829 * profile.c (compute_branch_probabilities): Remove code
3830 encapsulated in !ir_type (), which are remanents of the
3831 removed RTL profiling code.
3832 * rtl-profile.c: Remove.
3834 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3836 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3837 magic NULL_RTX comment.
3838 (function_arg): Store entire fp arg to mem if any part should go
3840 (rs6000_arg_partial_bytes): Adjust for above change.
3842 2006-04-11 Roger Sayle <roger@eyesopen.com>
3844 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3845 if it hasn't been initialized by dwarf2out_init.
3847 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3849 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3850 symbolic constants in branch patterns.
3852 2006-04-11 Roger Sayle <roger@eyesopen.com>
3854 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3856 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3858 PR rtl-optimization/27073
3859 * gcse.c (try_replace_reg): Revert last change. Continue to search
3860 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3863 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3865 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3866 aggregate types other than record and union types.
3867 (function_arg): Likewise.
3868 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3870 (function_value): In 64-bit mode, return objects that require it
3873 2006-04-11 Roger Sayle <roger@eyesopen.com>
3875 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3877 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3879 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3881 2006-04-03 Jeff Law <law@redhat.com>
3884 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3885 alias information too.
3887 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3889 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3891 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3894 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3895 (premark_used_types_helper): New.
3896 (premark_used_types): New.
3897 (gen_subprogram_die): Call premark_used_types.
3898 (prune_unused_types_walk): Do not prune perennial dies.
3899 * function.c (used_types_insert): New.
3900 * function.h (struct function): Add used_types_hash field.
3901 (used_types_insert): Add prototype.
3902 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3903 * c-parser.c (c_parser_cast_expression): Save casted types in used
3906 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3909 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3910 rs6000_explicit_options.float_gprs.
3912 2006-04-10 Roger Sayle <roger@eyesopen.com>
3914 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3915 from ix86_expand_vector_init_low_nonzero. Take an additional
3916 one_var argument indicating which element is non-zero. Support
3917 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3918 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3919 with one_var instead of ix86_expand_vector_init_low_nonzero.
3921 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3923 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3924 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3925 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3926 build/genextract.o): Depend on vecprim.h.
3927 * cfglayout.c, df-problems.c, function.c, genextract.c,
3928 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3929 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3933 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3935 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3936 Declare VECs of this type.
3937 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3938 (remove_children): Delete.
3939 (add_dwarf_attr): Use VEC routines.
3940 (add_AT_flag): Update for changes to add_dwarf_attr.
3941 (add_AT_int): Likewise.
3942 (add_AT_unsigned): Likewise.
3943 (add_AT_long_long): Likewise.
3944 (add_AT_vec): Likewise.
3945 (add_AT_string): Likewise.
3946 (add_AT_die_ref): Likewise.
3947 (add_AT_fde_ref): Likewise.
3948 (add_AT_loc): Likewise.
3949 (add_AT_loc_list): Likewise.
3950 (add_AT_addr): Likewise.
3951 (add_AT_lbl_id): Likewise.
3952 (add_AT_lineptr): Likewise.
3953 (add_AT_macptr): Likewise.
3954 (add_AT_offset): Likewise.
3955 (add_AT_range_list): Likewise.
3956 (get_AT): Use VEC_iterate.
3957 (remove_AT): Use VEC_ordered_remove.
3958 (free_die): Fold remove_children into here; have it use VEC_iterate.
3959 (print_die): Use VEC_iterate on attrs.
3960 (reverse_die_lists): Don't reverse attr lists.
3961 (die_checksum): Use VEC_iterate on attrs.
3962 (same_die_p): Likewise.
3963 (output_location_lists): Likewise.
3964 (build_abbrev_table): Likewise.
3965 (size_of_die): Likewise.
3966 (unmark_all_dies): Likewise.
3967 (output_abbrev_section): Likewise.
3968 (output_die): Likewise.
3969 (prune_unused_types_walk_attribs): Likewise.
3971 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3973 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3975 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3978 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3980 2006-04-09 Roger Sayle <roger@eyesopen.com>
3982 * expr.c (store_constructor): Don't bother clearing target if
3983 we're about to assign a vector to it using vec_init_optab.
3985 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3987 * tree-ssa-alias.c (lhs_may_store_to): New function.
3988 (recalculate_used_alone): Handle LHS of calls.
3990 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3994 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3995 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3996 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3997 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3998 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3999 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4000 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4001 stubs. Add ".align 8" directives before all ".dword" directives.
4002 (GTHREAD_USE_WEAK): Revise comment.
4003 (TARGET_ATTRIBUTE_WEAK): Define.
4004 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4005 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4006 * stublib.c: New file.
4011 * pa.md (cbranch patterns): Revise arguments used in calls to
4012 output_cbranch, output_bb and output_bvd. Add long branch length
4014 (fbranch patterns): Handle long branches.
4015 (jump): Revise length check. Revise arguments for output_lbranch call.
4016 Add long branch length attributes.
4017 (decrement_and_branch_until_zero): Add long branch length attributes.
4018 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4019 Likewise. Revise arguments for output_parallel_addb and
4020 output_parallel_movb calls.
4021 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4022 output_parallel_movb and output_parallel_addb): Update prototypes.
4023 * pa.c (output_cbranch): Revise arguments. Correct handling of
4024 nullification in long branches.
4025 (output_lbranch): Add new argument to control extraction of delay
4027 (output_bb): Handle long branches.
4028 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4029 output_parallel_addb): Likewise.
4031 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4033 PR rtl-optimization/27073
4034 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4037 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4039 * tree.h (tree_memory_tag): Add old_used_alone.
4040 (SMT_OLD_USED_ALONE): New macro.
4041 * tree-ssa-alias.c (recalculate_used_alone): Stop
4042 marking things for renaming unnecessarily.
4044 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4046 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4047 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4048 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4049 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4050 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4051 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4052 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4053 spelling convensions.
4054 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4055 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4056 typos. Follow spelling conventions.
4058 2006-04-07 DJ Delorie <dj@redhat.com>
4060 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4061 passed on the stack.
4062 (m32c_init_cumulative_args): When a function returns a structure,
4063 always pass the pointer to that return area on the stack.
4064 (m32c_function_arg_advance): Don't increment the parameter number
4065 if we're processing the returned structure pointer.
4066 (pushm_info): Reverse order of registers.
4068 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4070 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4071 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4072 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4073 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4075 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4076 chrec_fold_multiply): Same.
4077 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4078 force_expr_to_var_cost): Same.
4079 * tree-mudflap.c (mf_xform_derefs_1): Same.
4080 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4082 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4084 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4085 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4088 2006-04-07 Jan Hubicka <jh@suse.cz>
4090 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4092 2006-04-07 Richard Guenther <rguenther@suse.de>
4094 PR tree-optimization/26135
4095 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4096 loads for store copy-prop.
4097 (copy_prop_visit_stmt): Likewise.
4099 2006-04-05 Robert Millan <robertmh@gnu.org>
4101 * config/i386/linux.h: Add a comment to mark macros that are
4102 being overriden in config/k*bsd-gnu.h.
4103 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4105 * config/knetbsd-gnu.h: Ditto.
4107 2006-04-06 Jan Hubicka <jh@suse.cz>
4111 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4114 2006-04-06 Mike Stump <mrs@apple.com>
4116 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4117 for HAVE_nonlocal_goto to be consistent.
4118 (expand_builtin_nonlocal_goto): Likewise.
4119 (expand_builtin_strcmp): Use #ifdef instead of #if
4120 for HAVE_cmpstrnsi to be consistent.
4122 2006-04-05 DJ Delorie <dj@redhat.com>
4124 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4127 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4129 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4130 got-relative addressing for anything but SImode.
4132 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4133 even if the calling function doesn't modify them.
4135 2006-04-05 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/26919
4138 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4139 to cgraph_estimate_size_after_inlining.
4141 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4143 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4145 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4147 PR tree-optimization/26996
4148 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4149 VECTOR_TYPE variables.
4151 2006-04-05 Richard Guenther <rguenther@suse.de>
4153 PR tree-optimization/26763
4154 * fold-const.c (fold_comparison): Move folding of
4155 PTR + CST CMP PTR + CST ...
4156 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4158 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4160 * doc/install.texi (Prerequisites): Refine some wording on
4161 bootstrapping and ksh.
4162 Move the version numbers of DejaGnu here from the testing section
4163 and fix casing of names.
4164 Fix markup and clarify wording for autogen requirements.
4165 Refer to GCJ instead of just java.
4166 Refer to SVN instead of CVS.
4167 Describe diffutils as useful instead of necessary.
4168 (Downloading the source): Refer to SVN instead of CVS.
4169 Adjust a link to our web site accordingly.
4170 (Configuration): Fix casing of Bison.
4171 (Building): Refer to SVN instead of CVS.
4172 Fix a sentence on the use of Bison and remove duplicate (and
4173 incorrect) version number of Bison requirement.
4174 Remove one redundant list of packages needed for building.
4175 (Specific): Avoid reference to CVS.
4177 2006-04-04 Eric Christopher <echristo@apple.com>
4179 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4180 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4181 (rs6000_handle_struct_attribute): New.
4182 (rs6000_ms_bitfield_layout_p): Ditto.
4184 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4186 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4187 NULL for dso parameter to atexit_common.
4189 2006-04-04 Eric Christopher <echristo@apple.com>
4191 * config/i386/i386.c (machopic_output_stub): Output \t
4192 between instructions and operands.
4194 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4196 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4197 satisfies_constraint_[IL] to explicit tests on value.
4199 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4201 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4202 set_nb_iterations_in_loop): Use build_int_cst instead of
4204 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4205 build_int_cst instead of convert.
4207 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4209 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4210 new value 2 for incoming.
4211 * function.c (expand_function_start): Call struct_value_rtx
4213 * config/sparc/sparc.md: Comment updated_return.
4214 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4215 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4216 struct return if sparc_std_struct_return and incoming is 2.
4217 (print_operand): Do not adjust return if
4218 sparc_std_struct_return.
4220 2006-04-04 Roger Sayle <roger@eyesopen.com>
4222 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4223 convert in the middle-end.
4224 * expr.c (store_expr, store_constructor, get_inner_reference,
4225 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4227 * tree.c (build_range_type): Likewise.
4229 2006-04-04 Tom Tromey <tromey@redhat.com>
4231 * doc/install.texi (Prerequisites): Mention jar.
4233 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4235 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4238 2006-04-04 Matthias Klose <doko@debian.org>
4240 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4241 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4244 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4246 * doc/extend.texi (Function Attributes): Rewrite visibility
4247 attribute documentation.
4248 * doc/invoke.texi (C++ Dialect Options): Rewrite
4249 -fvisibility-inlines-hidden documentation to describe something
4250 entirely different, although in practise compatible.
4251 (Code Gen Options): Warn about system headers in -fvisibility=
4254 * doc/extend.texi (Other Builtins): Document that
4255 __builtin_nan is a compile-time constant only when its argument
4258 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4260 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4261 trying to remove TRUNCATE check if all bits outside the new mode
4262 are identical to the sign bit.
4264 2006-04-03 Jeff Law <law@redhat.com>
4266 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4267 and operand scanning in some common cases.
4269 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4270 Dale Johannesen <dalej@apple.com>
4273 * regclass.c (struct reg_pref): Update documentation.
4274 (regclass): Set prefclass to NO_REGS if memory is the best option.
4275 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4276 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4277 into account. For non-registers, equate an empty preferred
4278 reload class to a `!' in the constraint; move the if clause to
4279 do so after those that reject the insn.
4280 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4282 (find_dummy_reload): Likewise.
4283 * doc/tm.texi (Register Classes): Document what it means
4284 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4285 * config/i386/i386.c (ix86_preferred_reload_class): Force
4286 using SSE registers (and return NO_REGS for floating-point
4287 constants) if math is done with SSE.
4288 (ix86_preferred_output_reload_class): New.
4289 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4290 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4291 * config/i386/i386.md: Remove # register preferences.
4293 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4296 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4297 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4298 the type of nb_iter.
4299 (instantiate_parameters_1): Convert the operands before calling
4300 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4301 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4303 2006-04-02 Roger Sayle <roger@eyesopen.com>
4305 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4306 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4308 * dojump.c (do_jump): Likewise.
4309 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4310 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4311 gimplify_boolean_expr): Likewise.
4312 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4313 * varasm.c (array_size_for_constructor): Likewise.
4314 * tree-object-size.c (compute_object_offset): Likewise.
4316 2006-04-02 Roger Sayle <roger@eyesopen.com>
4319 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4320 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4322 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4324 PR tree-optimization/26939
4325 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4327 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4329 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4330 at_stmt. Convert the type of operands before calling
4331 build_polynomial_chrec.
4332 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4334 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4335 (instantiate_parameters_1): Convert the type of operands before calling
4336 build_polynomial_chrec.
4337 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4338 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4339 reset_evolution_in_loop): Insert asserts to check the types of the
4341 (chrec_type): Moved...
4342 (eq_evolutions_p): Use operand_equal_p.
4343 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4344 the types of the operands.
4345 (chrec_type): ...here.
4346 * tree-data-ref.c (create_data_ref): Convert the operands before
4347 calling chrec_replace_initial_condition.
4348 (same_access_functions, analyze_subscript_affine_affine,
4349 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4350 (compute_subscript_distance, analyze_ziv_subscript,
4351 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4352 analyze_miv_subscript): Convert the operands before calling
4353 chrec_fold_minus or chrec_fold_plus.
4355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4357 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4358 the dependence_relations vector.
4359 (compute_data_dependences_for_loop): Adjust call to
4360 compute_all_dependences.
4362 2006-04-01 Roger Sayle <roger@eyesopen.com>
4363 Richard Henderson <rth@redhat.com>
4365 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4366 gimple_boolify on the condition before calling gimplify_expr.
4368 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4370 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4371 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4372 the frame size. Update to use the new macros.
4373 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4374 * config/xtensa/ieee754-df.S: Likewise.
4376 2006-03-31 Richard Henderson <rth@redhat.com>
4378 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4379 (make_edges): ... here. Control fallthru creation with a local
4380 variable. Do not play with fake edges.
4381 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4382 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4385 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4387 * dwarf2.h (DW64_CIE_ID): Define.
4388 * dwarf2out.c (DWARF_CIE_ID): Define.
4389 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4390 length header. Use DWARF_CIE_ID.
4391 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4392 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4394 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4396 * config/sh/linux-atomic.asm: New file.
4397 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4399 2006-03-31 DJ Delorie <dj@redhat.com>
4401 * config/m32c/cond.md: Set condition flags properly throughout.
4402 * config/m32c/minmax.md: Likewise.
4403 * config/m32c/prologue.md: Likewise.
4404 * config/m32c/bitops.md: Likewise.
4405 * config/m32c/muldiv.md: Likewise.
4406 * config/m32c/mov.md: Likewise.
4407 * config/m32c/addsub.md: Likewise.
4408 * config/m32c/m32c.md: Likewise.
4409 * config/m32c/jump.md: Likewise.
4410 * config/m32c/shift.md: Likewise.
4412 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4413 conditionally output the pattern for this.
4414 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4415 (m32c_compare_redundant): New.
4416 (m32c_output_compare): New.
4417 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4419 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4420 dest, not src. Allow other 4-byte modes.
4422 2006-03-30 Denis Chertykov <denisc@overta.ru>
4424 * doc/md.texi: Refer to avr/constraints.md instead of
4427 2006-03-30 Roger Sayle <roger@eyesopen.com>
4429 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4430 signed vs. unsigned comparison failures on some hosts.
4432 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4435 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4436 change to FLOAT_REGS.
4438 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4439 (rs6000_override_options): Use it.
4440 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4441 only for -mabi=spe/no-spe and -mabi=altivec.
4443 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4445 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4448 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4450 * Makefile.in: Rename docdir to gcc_docdir.
4452 2006-03-30 Roger Sayle <roger@eyesopen.com>
4455 * expr.c (emit_group_store): Optimize group stores into a pseudo
4456 register by using a paradoxical subreg to initialize the destination
4457 if the first or last member of the group specifies a "low part".
4459 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4462 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4463 * target.h (struct gcc_target.speculate_insn): Change type of the
4464 second parameter to 'int'.
4465 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4466 the second operand of the DEPS_LIST.
4467 (copy_DEPS_LIST_list): Update reference to the second operand of the
4469 * rtl.h (alloc_DEPS_LIST): Update signature.
4470 * sched-int.h (ds_t): Change typedef to 'int'.
4471 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4473 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4475 * haifa-sched.c (try_ready): Change condition to restore
4476 non-speculative pattern of the instruction.
4477 (process_insn_depend_be_in_spec): Code to keep probability of the
4478 speculative dependence non-decreasing.
4480 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4482 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4483 (single_move_for_movmem): ... this. Also change all uses.
4484 (bfin_expand_strmov): Renamed to...
4485 (bfin_expand_movmem): ... this. Also change all uses.
4486 * config/bfin/bfin.md (movstrsi): Renamed to...
4487 (movstrsi): ...this.
4489 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4491 PR tree-optimization/26830
4493 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4494 (copy_prop_visit_stmt): Remove write-only variable ann.
4495 (init_copy_prop): Check variable loop depth here. Do not simulate
4496 memory-tag and virtual operand PHIs except for store copy prop.
4498 2006-03-30 Richard Guenther <rguenther@suse.de>
4500 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4501 variants with double arguments.
4503 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4505 * genpreds.c (write_tm_constrs_h): Delete variable p.
4506 * genconditions.c (write_header): Add tm-constrs.h to included
4508 * genpeep.c (main): Add toplev.h to included headers.
4509 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4510 (build/genpeep.o): Add toplev.h dependency.
4511 * config/rs6000/constraints.md: Add "W" constraint.
4513 2006-03-29 Roger Sayle <roger@eyesopen.com>
4515 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4516 sizes by correctly testing whether the size fits a host integer.
4517 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4518 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4519 SImode range for the default sizetype and bitsizetype.
4521 2006-03-29 Roger Sayle <roger@eyesopen.com>
4523 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4524 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4525 quickly if the argument is already of the correct type.
4526 Call fold_build1 instead of build1. Tidy up blank lines.
4528 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4530 * genemit.c (main): Add tm-constrs.h to included headers.
4531 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4532 * genpeep.c (main): Add tm-constrs.h to included headers.
4533 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4534 (write_tm_constrs_h): this and write complete file.
4535 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4536 (write_insn_preds_c): Add tm-constrs.h to included headers.
4537 (gen_constrs): New variable.
4538 (parse_option): Parse "-c".
4539 (main): Invoke write_tm_constrs_h.
4540 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4541 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4542 (object_out_file): Add tm-constrs.h dependency.
4543 (insn-emit.o): Same.
4544 (insn-output.o): Same.
4545 (insn-peep.o): Same.
4546 (insn-preds.o): Same.
4547 (insn-recog.o): Same.
4548 (tm-constsr.h): New target.
4549 (s-constrs-h): New target.
4551 * config/rs6000/constraints.md: New file.
4552 * config/rs6000/rs6000.c: Include tm-constrs.h.
4553 (num_insn_constant_wide): Convert to satisfies_constraint.
4554 (rs6000_rtx_costs): Convert to satisfies_constraint.
4555 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4556 (CONST_OK_FOR_LETTER_P): Delete.
4557 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4558 (EXTRA_CONSTRAINT): Delete.
4559 (EXTRA_MEMORY_CONSTRAINT): Delete.
4560 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4561 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4562 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4563 satisfies_constraint.
4565 * config/i386/i386.c: Include tm-constrs.h.
4567 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4569 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4570 * tree-data-ref.c (find_data_references_in_loop,
4571 compute_data_dependences_for_loop): Use pointers to VEC.
4572 (analyze_all_data_dependences): Adjust calls.
4573 * tree-data-ref.h (find_data_references_in_loop,
4574 compute_data_dependences_for_loop): Adjust declarations.
4575 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4576 compute_data_dependences_for_loop.
4578 2006-03-29 Paul Brook <paul@codesourcery.com>
4580 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4583 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4585 PR tree-optimization/26859
4586 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4588 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4589 for the step after fold_convert.
4591 2006-03-29 Paul Brook <paul@codesourcery.com>
4593 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4594 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4596 2006-03-29 Paul Brook <paul@codesourcery.com>
4599 * targhooks.c (default_narrow_bitfield): New fuction.
4600 * targhooks.h (default_narrow_bitfield): add prototype.
4601 * target.h (gcc_target): Add narrow_volatile_bitfield.
4602 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4603 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4604 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4605 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4607 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4609 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4611 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4612 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4613 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4614 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4615 (s390_function_arg_float): Allow SDmode and DDmode values to be
4616 passed in floating point registers.
4617 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4618 check with SCALAR_FLOAT_MODE_P.
4619 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4621 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4623 PR tree-optimization/25985
4624 * tree-ssa-loop-niter.c (number_of_iterations_le,
4625 number_of_iterations_ne): Make comments more precise.
4626 (number_of_iterations_cond): Add only_exit argument. Use the
4627 fact that signed variables do not overflow only when only_exit
4629 (loop_only_exit_p): New.
4630 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4631 number_of_iterations_cond.
4633 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4635 PR tree-optimization/26643
4636 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4639 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4641 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4642 (divsi3_i4_int): Likewise.
4644 2006-03-28 Roger Sayle <roger@eyesopen.com>
4646 * expr.c (emit_group_store): Only create a new pseudo reg if the
4647 quantity it needs to hold isn't already a suitable pseudo.
4649 2006-03-28 Jeff Law <law@redhat.com>
4651 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4652 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4654 2006-03-28 Roger Sayle <roger@eyesopen.com>
4656 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4657 the equivalent ~X & Y, and the symmetry related transformations.
4658 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4659 ~X & Y, and symmetry related transforms.
4661 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4663 Revert my 2006-03-27 patches.
4665 2006-03-28 Roger Sayle <roger@eyesopen.com>
4667 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4668 ~(T1)X, when T1 and T2 are integer types of the same precision
4669 and (T2)X isn't an extension.
4671 2006-03-28 Jeff Law <law@redhat.com>
4673 PR tree-optimization/26796
4674 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4675 need EH edge cleanups rather than purging them immediately.
4676 (eliminate_degenerate_phis): Handle queued EH cleanups.
4678 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4680 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4683 2006-03-27 Roger Sayle <roger@eyesopen.com>
4686 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4687 cast BIT_NOT_EXPR operand to the correct type.
4689 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4691 * tree-loop-linear.c: Don't include varray.h.
4692 (gather_interchange_stats, try_interchange_loops,
4693 linear_transform_loops): Use VEC instead of VARRAY.
4694 * lambda-mat.c: Don't include varray.h.
4695 * tree-chrec.c: Same.
4696 * lambda-trans.c: Same.
4697 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4698 VEC instead of VARRAY.
4699 * tree-vectorizer.h: Idem.
4700 * tree-data-ref.c (dump_data_references,
4701 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4702 initialize_data_dependence_relation, finalize_ddr_dependent,
4703 compute_all_dependences, find_data_references_in_loop,
4704 compute_data_dependences_for_loop, analyze_all_data_dependences,
4705 free_dependence_relation, free_dependence_relations,
4706 free_data_refs): Idem.
4707 * tree-data-ref.h (data_reference_p, subscript_p): New.
4708 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4709 VEC instead of VARRAY.
4710 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4711 (find_data_references_in_loop, compute_data_dependences_for_loop,
4712 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4713 dump_data_dependence_relations, free_dependence_relations,
4714 free_data_refs): Adjust declaration.
4715 (lambda_transform_legal_p): Move declaration here...
4716 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4717 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4718 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4719 vect_analyze_data_refs): Use VEC instead of VARRAY.
4720 * lambda.h (lambda_transform_legal_p): ...from here.
4721 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4722 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4723 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4724 tree-chrec.o): Don't depend on VARRAY_H.
4726 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4728 * rtl.def (Copyright): Update date.
4729 (DEPS_LIST): Change type of the second operand to 'int'.
4730 * target.h (Copyright): Update date.
4731 (struct gcc_target.speculate_insn): Change type of the second parameter
4733 * lists.c (Copyright): Update date.
4734 (alloc_DEPS_LIST): Change signature. Update reference to the second
4735 operand of the DEPS_LIST.
4736 (copy_DEPS_LIST_list): Update reference to the second operand of the
4738 * rtl.h (Copyright): Update date.
4739 (alloc_DEPS_LIST): Update signature.
4740 * sched-int.h (Copyright): Update date.
4741 (ds_t): Change typedef to 'int'.
4742 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4744 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4746 * haifa-sched.c (Copyright): Update date.
4747 (try_ready): Change condition to restore non-speculative pattern
4749 (process_insn_depend_be_in_spec): Code to keep probability of the
4750 speculative dependence non-decreasing.
4752 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4754 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4755 shut up the compiler.
4757 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4759 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4760 to use lib prefix for target.
4761 ($(T)libic_invalidate_array_4-200.a): Likewise.
4762 ($(T)libic_invalidate_array_4a.a): Likewise.
4764 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4765 J"orn Rennecke <joern.rennecke@st.com>
4767 * superh.opt: New file.
4768 * sh.c (boardtype, osruntime): Remove.
4769 * superh.h (SUBTARGET_OPTIONS): Remove.
4770 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4772 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4773 arguments with ^ and/or [].
4775 * config.gcc (sh-*-*): Add quoting to account for quirk of
4777 Replace == with = in enable_incomplete_targets test.
4779 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4780 with MASK_LITTLE_ENDIAN.
4782 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4783 * config/sh/sh.opt: Added to some comments.
4784 * config/sh/superh.h: Removed some chaff.
4786 * config/sh/sh.opt: Add m4-[1234]00* options.
4787 * config/sh/sh.c (sh_handle_option): Likewise.
4788 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4789 (ic_invalidate_array_4-100.o): New rule.
4790 ($(T)libic_invalidate_array_4-100.a): Likewise.
4791 (ic_invalidate_array_4-200.o): Likewise.
4792 ($(T)libic_invalidate_array_4-200.a): Likewise.
4793 (ic_invalidate_array_4a.o): Likewise.
4794 ($(T)libic_invalidate_array_4a.a): Likewise.
4795 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4796 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4798 * config/sh/crt1.asm: Merged in profiling code.
4799 * config/sh/superh.h (STARTFILE_SPEC): Override.
4800 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4801 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4802 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4804 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4805 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4806 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4808 * sh.opt (mpretend-cmove): New option.
4809 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4810 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4811 (movsicc): Add TARGET_PRETEND_CMOVE code.
4813 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4815 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4816 s390_class_max_nregs): New function prototypes.
4817 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4818 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4819 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4820 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4822 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4824 * dwarf2out.c (add_location_or_const_value_attribute): Call
4825 tree_add_const_value_attribute if nothing else works.
4826 (reference_to_unused): New.
4827 (rtl_for_decl_init): Use reference_to_unused to decide whether
4828 to output an initializer.
4830 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4833 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4834 peephole removing spe frob_di_df_2.
4836 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4838 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4839 (subscript_dependence_tester_1): Declared.
4840 (print_dir_vectors, print_dist_vectors): New.
4841 (debug_data_dependence_relation): New.
4842 (dump_data_dependence_relation): Print more details.
4843 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4844 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4845 (save_dist_v, save_dir_v, add_outer_distances,
4846 build_classic_dist_vector_1): New.
4847 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4848 Don't test for lambda_vector_lexico_pos.
4849 (same_access_functions, add_multivariate_self_dist,
4850 add_other_self_distances, dir_from_dist): New.
4851 (build_classic_dir_vector): Replace implementation almost identical to
4852 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4854 (subscript_dependence_tester_1): New.
4855 (subscript_dependence_tester): Handle the lexicographically negative
4856 distance vectors by recomputing the dependence relation.
4857 (compute_affine_dependence): Remove parameter loop_nest_depth.
4858 (compute_self_dependence): Don't call compute_subscript_distance.
4859 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4860 Add a parameter for the loop_nest.
4861 (find_loop_nest_1, find_loop_nest): New.
4862 (compute_data_dependences_for_loop): Compute the loop nest, and give
4863 up if the nest is not well formed.
4864 * tree-data-ref.h (loop_p): New.
4865 (struct data_dependence_relation): Replace size_vect field with
4866 loop_nest, a vec of loops.
4867 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4868 (DDR_LOOP_NEST): New.
4869 (print_dir_vectors, print_dist_vectors,
4870 debug_data_dependence_relation): Declared.
4871 (index_in_loop_nest): New.
4872 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4873 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4876 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4878 * simplify-rtx.c (simplify_relational_operation): Call
4879 simplify_relational_operation_1 even if mode is VOIDmode.
4881 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4883 PR tree-optimization/26804
4884 * tree.h (DECL_CALL_CLOBBERED): New macro.
4885 (tree_decl_common): Add call_clobbered_flag.
4886 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4887 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4888 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4889 (mark_non_addressable): Ditto.
4890 * tree-ssa.c (verify_call_clobbered): New function.
4891 (verify_alias_info): Use it.
4892 * tree-pass.h (pass_reset_cc_flags): New prototype.
4893 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4894 (reset_cc_flags): New function.
4895 * passes.c (init_optimization_passes): Call reset_cc_flags after
4896 initializing referenced_vars.
4898 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4899 Roger Sayle <roger@eyesopen.com>
4902 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4903 to 1.0 for non-real operands. Implement A / A optimization for
4906 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4908 * config/i386/i386.c (size_cost): Correct the comment for
4909 cost of storing fp registers.
4910 (i386_cost): Likewise.
4911 (i486_cost): Likewise.
4912 (pentium_cost): Likewise.
4913 (pentiumpro_cost): Likewise.
4914 (k6_cost): Likewise.
4915 (athlon_cost): Likewise.
4916 (k8_cost): Likewise.
4917 (pentium4_cost): Likewise.
4918 (nocona_cost): Likewise.
4919 (generic64_cost): Likewise.
4920 (generic32_cost): Likewise.
4922 2006-03-24 Denis Chertykov <denisc@overta.ru>
4924 * config/avr/avr-protos.h (extra_constraint): Delete.
4925 (extra_constraint_Q): New declaration.
4926 * config/avr/constraints.md: New file.
4927 * config/avr/avr.md: Include it.
4928 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4929 (TMP_REGNO, ZERO_REGNO): Likewise.
4930 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4931 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4932 (extra_constraint): Delete.
4933 (extra_constraint_Q): Test for memory constraint 'Q'.
4934 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4935 (REG_CLASS_FROM_LETTER): Delete.
4936 (CONST_OK_FOR_LETTER_P): Delete.
4937 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4938 (EXTRA_CONSTRAINT): Delete.
4939 (TMP_REGNO): Delete.
4940 (ZERO_REGNO): Delete.
4942 2006-03-24 Jeff Law <law@redhat.com>
4944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4945 directly. Call mark_new_vars_to_rename slightly earlier.
4947 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4949 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4951 (gen_compile_unit_die): Use new language types for Objective-C and
4953 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4954 DW_LANG_C_plus_plus.
4957 * config/t-darwin (crt3.o): Work around bug 26840.
4958 * config/darwin-crt3.c: Rewrite.
4959 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4961 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4963 * doc/invoke.texi: Document -femit-class-debug-always
4964 * common.opt: Add -femit-class-debug-always.
4966 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4968 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4969 index and base register.
4970 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4971 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4972 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4973 REGNO_OK_FOR_INDEX_P.
4974 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4976 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4977 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4978 REG_OK_FOR_BASE_P): Definitions removed.
4980 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4983 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4984 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4985 set yet or weren't marked as local yet.
4987 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4989 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4992 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4994 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4995 (rs6000_legitimate_small_data_p): Delete.
4996 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4997 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4998 and make static. Add forward declaration. Update uses.
4999 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5000 of offsettable_memref_p.
5001 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5002 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5004 2006-03-24 Jeff Law <law@redhat.com>
5006 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5007 around bug in immediate-use iterator.
5009 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5012 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5013 or __LITTLE_ENDIAN__.
5015 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5017 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5018 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5019 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5020 * config/sh/sh.opt (mdiv=): Amend description.
5021 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5022 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5023 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5024 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5025 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5026 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5027 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5028 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5029 TARGET_DIVIDE_CALL_FP.
5031 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5033 * haifa-sched.c (choose_ready): Fix type of the local variable.
5034 Move local variables. Add comment.
5035 (check_reg_live): Change signature. Make callable from debugger.
5036 * sched-int.h (check_reg_live): Update signature.
5037 * sched-ebb.c (check_reg_live): Update parameters.
5038 * sched-rgn.c (check_reg_live): Ditto.
5039 (region_head_or_leaf_p): Check pointer before dereferencing.
5040 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5041 before reload on optimization levels below 1.
5043 2006-03-23 Richard Henderson <rth@redhat.com>
5045 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5049 * config/alpha/predicates.md (local_symbolic_operand): Reject
5052 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5055 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5056 expressions which have overflowed constants.
5058 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5060 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5062 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5064 * cfgloopmanip.c (create_loop_notes): Removed.
5065 * final.c (final_scan_insn): Do not handle loop notes.
5066 * jump.c (squeeze_notes): Ditto.
5067 * cfglayout.c (skip_insns_after_block,
5068 duplicate_insn_chain): Ditto.
5069 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5071 * cfgloop.h (create_loop_notes): Declaration removed.
5073 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5075 * varasm.c (output_constant_pool): Restore fnname and fndecl
5077 (assemble_start_function): Adjust call accordingly.
5078 (assemble_end_function): Likewise.
5080 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5083 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5086 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5088 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5091 * system.h (ICE_EXIT_CODE): New macro.
5092 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5093 (diagnostic_action_after_output): Likewise.
5094 * gcc.c (fatal_ice): New function.
5095 (execute): Use it instead of fatal.
5096 (fancy_abort): Likewise.
5097 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5099 2006-03-22 Jeff Law <law@redhat.com>
5101 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5102 iv_analyze_result returning false.
5104 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5106 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5108 2006-03-22 Richard Henderson <rth@redhat.com>
5111 * except.c (duplicate_eh_regions_0): New.
5112 (duplicate_eh_region_1): Duplicate the children of the node as
5113 well as the node itself. Link them up properly.
5114 (duplicate_eh_region_2): Merge into ...
5115 (duplicate_eh_regions): ... here. Take copy_region argument, and
5116 copy only a sub-tree if asked. Simplify copying and fixup.
5117 (eh_region_outer_p): New.
5118 * except.h (duplicate_eh_regions): Update decl.
5119 (eh_region_outer_p): Declare.
5120 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5121 (lower_omp_master): Likewise.
5122 (lower_omp_ordered): Likewise.
5123 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5124 (move_stmt_r): Use it to remap labels. Handle recursion vs
5125 remap_decls_p properly.
5126 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5127 (find_outermost_region_in_block): New.
5128 (new_label_mapper): New.
5129 (move_sese_region_to_fn): Copy eh information to the new function
5131 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5133 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5136 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5138 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5139 into shared libraries.
5141 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5143 * doc/md.texi: Refer to i386/constraints.md instead of
5145 * config/i386/constraints.md: New file, extracted from...
5146 * config/i386/predicates.md: ...here.
5147 * config/i386/i386.md: Include constraints.md.
5149 2006-03-21 Jason Merrill <jason@redhat.com>
5151 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5154 * expr.c (init_block_move_fn): Force default visibility.
5155 (init_block_clear_fn): Likewise.
5156 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5157 * targhooks.c (default_external_stack_protect_fail): Likewise.
5159 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5161 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5162 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5163 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5164 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5165 (loadgp): Use mips_current_loadgp_style.
5166 (loadgp_noshared): New pattern.
5167 (sibcall_internal): Use MIPS_CALL.
5168 (sibcall_value_internal): Likewise.
5169 (sibcall_value_multiple_internal): Likewise.
5170 (call_internal): Likewise.
5171 (call_value_internal): Likewise.
5172 (call_value_multiple_internal): Likewise.
5173 (call_split): Use MIPS_CALL and add an 'S' constraint.
5174 (call_value_split): Likewise.
5175 (call_value_multiple_split): Likewise.
5176 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5177 (-mshared): New option.
5178 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5179 (mips_current_loadgp_style): Declare.
5180 * config/mips/mips.c (mips_classify_symbol): Avoid using
5181 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5182 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5183 TARGET_ABSOLUTE_ABICALLS.
5184 (override_options): Adjust comments. Improve the warning that is
5185 issued when -mabicalls and -G are used together.
5186 (mips_file_start): Remove comment.
5187 (mips_current_loadgp_style): New function.
5188 (mips_gnu_local_gp): New variable.
5189 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5191 (mips_output_function_prologue): Use mips_current_laodgp_style.
5192 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5193 the cprestore instruction.
5194 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5195 live for TARGET_ABSOLUTE_ABICALLS.
5196 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5197 (ASM_SPEC): Pass down -mshared and -mno-shared.
5198 (MIPS_CALL): New macro.
5199 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5201 * doc/invoke.texi (-mabicalls): Update documentation.
5202 (-mshared): Document.
5204 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5206 * config/ia64/unwind-hpux.c: New file.
5207 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5209 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5212 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5214 2006-03-21 Jeff Law <law@redhat.com>
5216 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5217 type conversions of a VR_VARYING source to a wider type.
5219 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5221 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5222 tm_file on Solaris 10 and later.
5223 (sparc64-*-solaris2*): Likewise.
5224 (sparc-*-solaris2*): Likewise.
5225 * config/sol26.h: Rename to config/sol2-6.h.
5226 * config/sol2-10.h: New file.
5228 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5231 * tree-ssa-pre.c (create_component_ref_by_pieces):
5234 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5237 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5238 return it immediately.
5240 2006-03-21 Michael Matz <matz@suse.de>
5242 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5244 (remove_arc, add_arc): Update num_out_arcs member.
5245 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5247 (cache_presence): New function.
5248 (compare_states_for_equiv): New function.
5249 (state_is_differed): Don't take number of outargs, adjust callers.
5250 Use new invariant for speeding up.
5251 (init_equiv_class): Create initial classes based on sorted
5253 (partition_equiv_class): Don't track out_arcs_num.
5254 (evaluate_equiv_classes): Call cache_presence on all states and
5257 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5259 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5260 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5261 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5262 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5264 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5265 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5266 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5267 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5268 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5270 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5271 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5272 (REGNO_REG_CLASS): ARGP is in PREGS.
5273 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5275 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5276 to deal with those addresses.
5277 * addresses.h: New file.
5278 * caller-save.c: Include "addresses.h".
5279 (init_caller_save): Use new base_reg_class function.
5280 * rtl-factoring.c: Include "addresses.h".
5281 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5282 * recog.c: Include "addresses.h".
5283 (preprocess_constraints): Use new base_reg_class function.
5284 * regrename.c: Include "addresses.h".
5285 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5286 functions. Keep track of a new var INDEX_CODE to compute valid
5288 (replace_oldest_value_addr): Likewise.
5289 (replace_oldest_value_mem): Use base_reg_class.
5290 * reload.c: Include "addresses.h".
5291 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5292 (find_reloads): Use new base_reg_class function.
5293 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5294 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5295 all callers and prototype changed.
5296 * reload1.c: Include "addresses.h".
5297 (maybe_fix_stack_asms): Use base_reg_class.
5298 * regclass.c: Include "addresses.h".
5299 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5300 (init_reg_autoinc): Use new base_reg_class function.
5301 (record_reg_classes): Likewise.
5302 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5303 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5304 Use new args to compute necessary class.
5306 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5307 regrename.o, rtl-factoring.o): Update dependencies.
5308 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5309 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5310 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5311 REG_OK_FOR_INDEX_P): Delete documentation.
5313 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5315 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5316 from V7 to V9 for Solaris 7 and above.
5318 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5320 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5321 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5322 argument pointers may not alias any other storage.
5323 * common.opt: Define option -fargument-noalias-anything.
5324 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5325 alias semantics is specified by flag_argument_noalias > 2.
5327 2006-03-20 Jeff Law <law@redhat.com>
5329 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5330 (pass_phi_only_cprop): Declare.
5331 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5333 * tree-ssa-dom.c (degenerate_phi_result): New function.
5334 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5335 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5336 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5337 (eliminate_degenerate_phis): Likewise.
5338 (pass_phi_only_cprop): New pass descriptor.
5339 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5340 support code. Callers updated.
5341 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5342 (store_copy_prop): Likewise.
5343 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5345 2006-03-20 Jason Merrill <jason@redhat.com>
5348 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5349 (push_visibility, pop_visibility): Likewise.
5350 * c-pragma.h: Declare them.
5352 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5354 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5356 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5357 parameter and use get_ebb_head_tail.
5358 (sh_md_init_global): Adjust uses of find_regmode_weight.
5360 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5362 * function.h (struct function) <x_tail_recursion_reentry>:
5363 Rename to x_stack_check_probe_note.
5364 (tail_recursion_reentry): Rename to stack_check_probe_note.
5365 * function.c: Replace tail_recursion_reentry with
5366 stack_check_probe_note everywhere.
5367 (expand_function_start): Only emit a note for
5368 stack_check_probe_note with -fstack-protect.
5369 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5371 * emit-rtl.c (remove_unnecessary_notes): Remove.
5372 (pass_remove_unnecessary_notes): Remove.
5373 * rtl.h (remove_unnecessary_notes): Remove prototype.
5374 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5375 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5376 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5378 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5381 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5382 (valid_in_set): Handle ARRAY_REF.
5383 Change "if min_variant or VH" to asserts.
5384 (create_component_ref_by_pieces): Handle ARRAY_REF.
5385 (create_expression_by_pieces): Likewise.
5386 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5388 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5390 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5391 is operand of switch, not str[0].
5393 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5395 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5396 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5398 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5400 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5401 end of insn_extra_address_constraint declaration.
5403 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5405 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5406 (no-sum-in-toc): Same.
5407 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5409 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5410 NO_FP_IN_TOC for -fPIC instead of mask.
5412 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5413 (BOOT_LDFLAGS): Delete.
5415 * config/rs6000/t-aix52: Same.
5417 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5418 (stmsi[345678]_power): New.
5420 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5422 * config/ia64/ia64.opt: Add empty line to end of file.
5424 2006-03-17 Richard Guenther <rguenther@suse.de>
5427 * builtins.c (get_pointer_alignment): For component style references
5428 adjust alignment to the component type alignment. Make sure
5429 to adjust alignment for component access of constants.
5431 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5433 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5436 2006-03-17 Paul Brook <paul@codesourcery.com>
5438 * doc/install.texi: Docuemnt --with-mode.
5439 * config.gcc: Add --with-mode for arm*-*-*.
5440 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5442 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5444 * sh.c (max_labelno_before_reorg): New variable.
5445 (sh_reorg): Initialize it.
5446 (find_barrier): Check max_labelno_before_reorg before using
5447 label_to_alignment. Take length of explicit alignment insns
5448 into account. When seeing a UNSPECV_CONST_END, return it.
5450 * sh.c (fixup_mova): Set mode of affected label to QImode.
5451 (untangle_mova): New function.
5452 (find_barrier): Use it. Check mode of label before decrementing
5454 (sh_reorg): Likewise.
5455 Set mode of all insns back to VOIDmode.
5457 * sh.c (MOVA_LABELREF): New macro.
5458 (mova_p, fixup_mova, sh_reorg): Use it.
5459 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5460 ADDR_DIFF_VEC matches mova.
5462 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5464 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5465 with ATTRIBUTE_UNUSED.
5467 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5469 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5470 pointer, instead of assuming it is possible to derive the
5471 correct args size from a call insn.
5473 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5475 * rtl.h (CONST_INT_P): Define.
5476 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5477 instead of GET_CODE(x) == CONST_INT.
5478 (vax_rtx_costs): Likewise.
5479 (vax_output_int_move): Likewise.
5480 (vax_output_int_add): Likewise.
5481 (legitimate_constant_address_p): Likewise.
5482 (index_term_p): Likewise.
5483 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5484 * config/vax/vax.md (and<mode>3): Likewise.
5485 (ashrsi3): Likewise.
5487 (movstricthi): Likewise.
5488 (movstrictqi): Likewise.
5489 (rotrsi3): Likewise.
5490 (five unnamed insns): Likewise.
5492 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5494 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5495 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5496 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5497 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5498 Pass to ASM_OUTPUT_DWARF_OFFSET.
5499 * dwarf2out.c (debug_frame_section): New.
5500 (output_call_frame_info): Use debug_frame_section. Pass it to
5501 dw2_asm_output_offset.
5502 (output_die): Pass appropriate section to dw2_asm_output_offset.
5503 (output_compilation_unit_header): Likewise.
5504 (output_pubnames): Likewise.
5505 (output_aranges): Likewise.
5506 (enum dw_val_class): Break dw_val_class_lbl_offset into
5507 dw_val_class_lineptr and dw_val_class_macptr.
5508 (add_AT_lbl_offset): Delete.
5509 (add_AT_lineptr): New.
5510 (add_AT_macptr): New.
5511 (AT_lbl): Expect a lineptr or macptr.
5512 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5513 (attr_checksum): Likewise.
5514 (same_dw_val_p): Likewise.
5515 (size_of_die): Likewise.
5516 (value_format): Likewise.
5517 (output_die): Likewise.
5518 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5520 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5521 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5522 * config/darwin-protos.h (darwin_file_start): New.
5523 (darwin_asm_output_dwarf_offset): New.
5524 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5525 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5527 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5528 if not EH section; simplify.
5529 (darwin_file_start): New.
5530 (darwin_asm_output_dwarf_offset): New.
5531 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5533 (DEBUG_INFO_SECTION): Likewise.
5534 (DEBUG_ABBREV_SECTION): Likewise.
5535 (DEBUG_ARANGES_SECTION): Likewise.
5536 (DEBUG_MACINFO_SECTION): Likewise.
5537 (DEBUG_LINE_SECTION): Likewise.
5538 (DEBUG_LOC_SECTION): Likewise.
5539 (DEBUG_PUBNAMES_SECTION): Likewise.
5540 (DEBUG_STR_SECTION): Likewise.
5541 (DEBUG_RANGES_SECTION): Likewise.
5542 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5543 (ASM_OUTPUT_DWARF_OFFSET): New.
5545 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5547 * config.gcc (tm_defines): Always add to previous value rather
5550 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5552 * config/mips/predicates.md (splittable_const_int_operand): New,
5553 split from move_operand.
5554 (splittable_symbolic_operand): New.
5555 (move_operand): Add commentary. Use splittable_const_int_operand.
5556 Inline mips_atomic_symbolic_constant_p.
5557 * config/mips/mips.md: Add combine splitters for handling moves
5558 of splittable_const_int_operands and splittable_symbolic_operands.
5559 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5560 (mips_split_symbol): Declare.
5561 (mips_move_integer): Declare.
5562 * config/mips/mips.c (mips_split_p): Make global.
5563 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5564 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5565 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5566 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5567 (mips_offset_within_object_p): Handle block symbols.
5568 (mips_atomic_symbolic_constant_p): Delete.
5569 (mips_cannot_force_const_mem): Return false for constants that
5570 mips_legitimize_move can handle.
5571 (mips_use_blocks_for_constant_p): New function.
5572 (mips_split_symbol): Make global.
5573 (mips_move_integer): Likewise. Add a temporary register argument.
5574 (mips_legitimize_const_move): Use splittable_const_int_operand and
5575 splittable_symbolic_operand.
5576 (mips_use_anchors_for_symbol_p): New function.
5577 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5578 (mips_split_p): Declare.
5580 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5582 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5583 (mips*-*-linux*): Likewise.
5585 2006-03-16 Roger Sayle <roger@eyesopen.com>
5586 Daniel Speyer <dspeyer@wam.umd.edu>
5589 * tree-dump.c (dump_real): New function.
5590 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5591 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5592 (tree-dump.o): Add $(REAL_H) to the dependencies.
5594 2006-03-16 Roger Sayle <roger@eyesopen.com>
5597 * real.c (real_from_string): If the mantissa is zero, don't bother
5598 parsing the exponent as the result should always be zero.
5600 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5602 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5604 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5606 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5607 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5608 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5609 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5610 ia64_sched_finish_global): New static functions to implement
5611 hooks from gcc_target.sched.
5612 (spec_check_no, max_uid, pending_data_specs): New static variables.
5613 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5614 ia64_spec_check_src_p): New static functions.
5615 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5616 (TARGET_SCHED_ADJUST_COST): Removed.
5617 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5618 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5619 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5620 TARGET_SCHED_GEN_CHECK,
5621 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5622 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5623 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5624 Fixed to handle speculation checks.
5625 (rtx_needs_barrier): Fixed to handle speculative loads and
5627 (ia64_variable_issue): Added code to count speculative loads and their
5629 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5631 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5633 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5635 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5636 (ia64_reorg): Reset stops_p to NULL after it is freed.
5637 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5638 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5639 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5641 (data_speculative, control_speculative, check_load): New attributes.
5642 (mov<mode>_advanced, mov<mode>_speculative,
5643 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5644 zero_extend<mode>di2_speculative,
5645 zero_extend<mode>di2_speculative_advanced): New patterns for
5646 data and control speculative loads.
5647 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5649 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5650 New pattern for data and control speculation checks.
5651 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5652 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5653 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5654 Auxiliary definitions for the patterns.
5655 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5656 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5658 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5660 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5661 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5662 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5663 New resource constraints.
5664 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5666 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5667 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5668 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5669 msched-in-control-spec, msched-ldc, msched-control-ldc,
5670 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5671 msched-prefer-non-control-spec-insns,
5672 msched-count-spec-in-critical-path): New flags to tune speculative
5674 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5675 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5676 msched-in-control-spec, msched-ldc, msched-control-ldc,
5677 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5678 msched-prefer-non-control-spec-insns,
5679 msched-count-spec-in-critical-path): Document new flags.
5681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5683 * target.h (struct spec_info_def): New opaque declaration.
5684 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5685 speculate_insn, needs_block_p, gen_check,
5686 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5687 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5688 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5689 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5690 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5691 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5693 (TARGET_SCHED): Use new macros.
5694 * rtl.h (copy_DEPS_LIST_list): New prototype.
5695 * sched-int.h (struct sched_info): Change signature of new_ready field,
5696 adjust all initializations. New fields: add_remove_insn,
5697 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5698 region_head_or_leaf_p.
5699 (struct spec_info_def): New structure declaration.
5700 (spec_info_t): New typedef.
5701 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5702 recovery_block, orig_pat.
5703 (glat_start, glat_end): New variables declaraions.
5704 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5706 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5707 DETACH_LIFE_INFO, USE_GLAT.
5708 (enum SPEC_SCHED_FLAGS): New enumeration.
5709 (NOTE_NOTE_BB_P): New macro.
5710 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5711 attach_life_info, debug_spec_status, check_reg_live): New functions.
5712 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5713 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5715 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5716 * ddg.c (get_block_head_tail): Adjust all uses.
5717 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5718 (sms_sched_info): Initialize new fields.
5719 (contributes_to_priority): Removed.
5720 * haifa-sched.c (params.h): New include.
5721 (get_block_head_tail): Adjust all uses.
5722 (ISSUE_POINTS): New macro.
5723 (glat_start, glat_end): New global variables.
5724 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5725 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5726 old_last_basic_block, before_recovery, current_sched_info_var,
5727 rgn_n_insns, luid): New static variables.
5728 (insn_cost1): New function. Move logic from insn_cost to here.
5729 (find_insn_reg_weight1): New function. Move logic from
5730 find_insn_reg_weight to here.
5731 (reemit_notes, move_insn, max_issue): Change signature.
5732 (move_insn1): Removed.
5733 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5734 extend_bb): New static functions to support extension of scheduler's
5736 (generate_recovery_code, process_insn_depend_be_in_spec,
5737 begin_speculative_block, add_to_speculative_block,
5738 init_before_recovery, create_recovery_block, create_check_block_twin,
5739 fix_recovery_deps): New static functions to support
5740 generation of recovery code.
5741 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5742 restore_bb_notes, move_block_after_check, move_succs): New static
5743 functions to support ebb scheduling.
5744 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5745 functions to support handling of register live information.
5746 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5747 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5748 add_jump_dependencies): New static functions.
5749 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5750 consistancy checking.
5751 (debug_spec_status): New function to call from debugger.
5752 (priority): Added code to handle speculation checks.
5753 (rank_for_schedule): Added code to distinguish speculative instructions.
5754 (schedule_insn): Added code to handle speculation checks.
5755 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5756 Fixed to handle ebbs.
5757 (move_insn): Added code to handle ebb scheduling.
5758 (max_issue): Added code to use ISSUE_POINTS of instructions.
5759 (choose_ready): Added code to choose between speculative and
5760 non-speculative instructions.
5761 (schedule_block): Added code to handle ebb scheduling and scheduling of
5762 speculative instructions.
5763 (sched_init): Initialize new variables.
5764 (sched_finish): Free new variables. Print statistics.
5765 (try_ready): Added code to handle speculative instructions.
5766 * lists.c (copy_DEPS_LIST_list): New function.
5767 * sched-deps.c (extend_dependency_caches): New function. Move logic
5768 from create_dependency_caches to here.
5769 (get_dep_weak, ds_merge): Make global.
5770 * genattr.c (main): Code to output prototype for
5771 dfa_clear_single_insn_cache.
5772 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5773 (output_dfa_clean_insn_cache_func): Code to output
5774 dfa_clear_single_insn_cache function.
5775 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5777 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5779 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5780 New static variables.
5781 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5782 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5784 (ebb_sched_info): Initialize new fields.
5785 (get_block_head_tail): Adjust all uses.
5786 (compute_jump_reg_dependencies): Fixed to use glat_start.
5787 (schedule_ebb): Code to remove unreachable last block.
5788 (schedule_ebbs): Added code to update register live information.
5789 * sched-rgn.c (region_sched_info): Initialize new fields.
5790 (get_block_head_tail): Adjust all uses.
5791 (last_was_jump): Removed. Adjust users.
5792 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5793 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5794 Implement new hooks.
5795 (check_dead_notes1): New static function.
5796 (struct region): New fields: dont_calc_deps, has_real_ebb.
5797 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5798 (BB_TO_BLOCK): Fixed to handle EBBs.
5799 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5800 (ebb_head): New static variable.
5801 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5802 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5804 (compute_dom_prob_ps): New assertion.
5805 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5806 global_live_at_start.
5807 (init_ready_list): New assertions.
5808 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5809 (new_ready): Add support for BEGIN_CONTROL speculation.
5810 (schedule_insns): Fixed code that updates register live information
5812 (schedule_region): Fixed to handle EBBs.
5813 (init_regions): Use extend_regions and check_dead_notes1.
5814 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5815 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5816 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5817 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5818 TARGET_SCHED_GEN_CHECK,
5819 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5820 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5821 * doc/invoke.texi (max-sched-insn-conflict-delay,
5822 sched-spec-prob-cutoff): Document.
5824 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5826 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5827 inter_tick, queue_index.
5828 (struct sched_info): Change signature of init_ready_list field.
5829 Adjust all initializations.
5830 (RESOLVED_DEPS): New access macro.
5831 (ready_add): Remove prototype.
5832 (try_ready): Add prototype.
5833 * sched-rgn.c (init_ready_list): Use try_ready.
5834 (schedule_region): Initialize
5835 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5836 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5837 (init_ready_list): Use try_ready.
5838 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5839 * lists.c (remove_list_elem): Remove `static'.
5840 (remove_free_INSN_LIST_elem): New function.
5841 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5842 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5843 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5845 (readyp): New variable.
5846 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5847 change_queue_index, resolve_dep): New static functions.
5848 (try_ready): New function. Adjust callers in sched-rgn.c and
5849 sched-ebb.c to use it instead of ready_add.
5850 (clock_var): Move at the begining of file.
5851 (rank_for_schedule): Fix typo.
5852 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5853 (ready_lastpos): Enforce assertion.
5854 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5856 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5857 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5858 (queue_to_ready): Use free_INSN_LIST_list.
5859 (early_queue_to_ready): Fix typo.
5860 (schedule_block): Init readyp. Move init_ready_list call after the
5861 initialization of clock_var. Fix error in rejecting insn by
5862 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5863 that previously corrected INSN_TICKs. Add code for handling
5865 (set_priorities): Fix typo.
5866 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5867 Clarify comment and code that keeps current_sched_info->next_tail
5870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5872 * sched-rgn.c (extend_rgns): New static function.
5873 (find_rgns): Use it.
5874 (gather_region_statistics, print_region_statistics): New static
5876 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5877 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5879 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5880 Andrey Belevantsev <abel@ispras.ru>
5882 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5883 * lists.c (unused_deps_list): New variable.
5884 (free_list): Add assertions to verify the proper distinguishing
5885 between INSN_LISTs and DEPS_LISTs.
5886 (find_list_elem, remove_list_elem, remove_list_node): New static
5888 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5889 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5890 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5891 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5893 (free_INSN_LIST_node): Likewise.
5894 * modulo-sched.c (current_sched_info): Initialize flags field.
5895 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5896 * rtl.def (DEPS_LIST): Define.
5897 * rtl.h: Declare new functions from lists.c.
5898 * sched-deps.c (spec_dependency_cache): New static variable.
5899 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5900 (add_dependence): Change return type to void. Move the logic to ...
5901 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5902 (delete_all_dependences): Add comment about forward_dependency_cache.
5903 Handle spec_dependency_cache. Handle DEPS_LISTs.
5904 (fixup_sched_groups): Clarify the change of priority of output
5905 and anti dependencies.
5906 (sched_analyze_2): Adjust add_dependence calls to create data
5907 speculative dependence.
5908 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5909 Adjust all callers. Handle DEPS_LISTS.
5910 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5911 presence of speculation.
5912 (init_dependency_caches, free_dependency_caches):
5913 Handle spec_dependency_cache.
5914 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5915 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5916 New static functions.
5917 (add_or_update_back_dep, add_or_update_back_forw_dep,
5918 add_back_forw_dep, delete_back_forw_dep): New functions.
5919 * sched-int.h (ds_t, dw_t): New typedefs.
5920 (struct sched_info): Add new field flags.
5921 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5922 Prototype new sched-deps.c functions.
5923 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5924 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5925 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5926 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5927 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5928 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5930 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5932 * sched-rgn.c (current_sched_info): Initialize flags field.
5933 (schedule_insns): Initialize current_sched_info before the sched_init
5935 * sched-ebb.c (current_sched_info): Initialize flags field.
5936 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5937 Call add_or_update_back_dep instead of add_dependence.
5938 Create control speculative dependencies.
5939 (schedule_insns): Initialize current_sched_info before the sched_init
5942 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5944 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5946 (sh_fallback_frame_state): Likewise.
5948 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5950 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5951 Do switch on default_use_cxa_atexit.
5952 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5953 * config/darwin-crt3.o: New.
5954 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5955 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5956 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5958 * config/rs6000/t-darwin: Move crt2.o building to here.
5959 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5960 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5963 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5965 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5966 from '! xxx' to '!xxx' for coding-style conformance.
5967 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5968 (EXTRA_CONSTRAINT): Likewise.
5969 * config/vax/vax.md (four unnamed insns): Likewise.
5971 2006-03-15 Paul Brook <paul@codesourcery.com>
5973 * config/arm/arm.c (minipool_pad): New.
5974 (add_minipool_forward_ref): Include pool alignment padding in address
5976 (push_minipool_fix): Set minipool_pad.
5977 (minipool_pad): Ditto.
5979 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5981 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5982 instead of GET_CODE() == MEM and REG_P() instead of
5984 (print_operand_address): Likewise.
5985 (vax_address_cost): Likewise.
5986 (vax_rtx_costs): Likewise.
5987 (vax_notice_update_cc): Likewise.
5988 (vax_output_int_add): Likewise.
5989 (INDEX_REGISTER_P): Likewise.
5990 (BASE_REGISTER_P): Likewise.
5991 (nonindexed_address_p): Likewise.
5992 (vax_mode_dependent_address_p): Likewise.
5993 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5994 (PRINT_OPERAND): Likewise.
5995 * config/vax/vax.md (ashlsi3): Likewise.
5996 (ashlsi3): Likewise.
5997 (some more unnamed insns): Likewise.
5999 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6001 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6002 iterator-style macro.
6003 (mark_control_dependent_edges_necessary): Update the use of
6004 EXECUTE_IF_CONTROL_DEPENDENT.
6006 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6008 * config/sh/predicates.md (cache_address_operand): Special.
6009 (ua_address_operand): Likewise.
6011 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6013 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6015 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6017 2006-03-15 Andreas Schwab <schwab@suse.de>
6019 * gensupport.c (identify_predicable_attribute): Don't free p_false
6020 when it is still in use.
6022 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6024 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6025 the default setting here.
6027 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6029 * tree-pass.h (pass_cfg): Remove.
6030 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6031 * passes.c (pass_cfg): Don't run it.
6033 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6035 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6036 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6038 (stack_regs_mentioned): Update the uses of
6039 stack_regs_mentioned_data. Don't access the array beyond its
6041 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6042 Don't include gt-reg-stack.h.
6044 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6045 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6047 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6050 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6053 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6055 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6057 2006-03-14 Richard Guenther <rguenther@suse.de>
6059 PR tree-optimization/26672
6060 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6063 2006-03-14 Richard Guenther <rguenther@suse.de>
6065 PR tree-optimization/26667
6066 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6067 node for the callees. Always allow inlining if it will shrink
6070 2006-03-14 Richard Guenther <rguenther@suse.de>
6073 * builtins.c (get_pointer_alignment): Prefer alignment
6074 information from decls over that from types.
6076 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6079 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6081 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6083 * config/rs6000/rs6000.opt (mdlmzb): New option.
6084 (msched-prolog, msched-epilog): Use Var not Mask.
6085 * doc/invoke.texi (-mdlmzb): Document.
6086 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6088 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6089 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6091 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6093 PR rtl-optimization/25739
6094 * bt-load.c (augment_live_range): Free tos pointer.
6096 * gensupport.c (identify_predicable_attribute): Free
6098 * gcov.c (create_file_names): Free name pointer.
6100 2006-03-13 Roger Sayle <roger@eyesopen.com>
6103 * stmt.c (emit_case_nodes): Handle the case where the index is a
6104 CONST_INT, where the comparison mode is specified by the index type.
6106 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6108 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6111 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6113 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6114 (*branch_fp_inverted): Likewise.
6116 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6119 * omp-low.c (expand_omp_for_generic): Mark istart0
6120 and iend0 as addressable.
6122 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6124 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6126 2006-03-13 Jeff Law <law@redhat.com>
6128 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6129 virtual operands are interesting.
6130 (vrp_visit_stmt): Corresponding changes.
6132 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6134 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6136 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6137 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6138 * config/bfin/crti.S: Use it instead of __PIC__.
6139 * config/bfin/crtn.S: Likewise.
6141 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6142 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6144 Lose 'G' modifier for call operand.
6145 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6146 recognize 'G' modifier.
6148 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6151 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6152 * stmt.c (expand_case): Likewise.
6154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6156 PR rtl-optimization/26254
6157 * loop-invariant.c (seq_insns_valid_p): New function.
6158 (move_invariant_reg): Only emit new code if it is valid.
6160 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6162 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6164 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6165 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6166 (commit_one_edge_insertion): Do not look for loop notes.
6168 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6170 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6171 flag_test_coverage out of loop.
6173 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6175 * final.c (shorten_branches): Remove outdated comment, and turn
6176 the if branch that guards it to continue.
6178 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6180 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6181 * cfgloop.h (struct loop): Remove unused fields.
6183 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6185 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6186 (-dL, -fdump-rtl-loop2): Update the dump file names
6188 * doc/invoke.texi: Update dump file names.
6190 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6192 * predict.c (estimate_probability): Remove.
6193 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6194 * basic-block.h (estimate_probability): Remove prototype.
6195 * passes.c (finish_optimization_passes): Dump branch prediction or
6196 profiling heuristics to the .profile tree dump.
6197 (init_optimization_passes): Unqueue pass_branch_prob.
6199 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6201 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6203 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6204 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6206 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6208 * function.h (frame_offset_overflow): Declare.
6209 * function.c (frame_offset_overflow): New function.
6210 (assign_stack_local_1): Call it to detect that the offset overflows.
6211 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6213 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6215 * config/sh/sh.c: Include alloc-pool.h.
6216 (label_ref_list_pool): New alloc pool.
6217 (label_ref_list_t): New type for lists of labels.
6218 (struct pool_node): Make wend a label_ref_list_t.
6219 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6221 (dump_table): Likewise.
6222 (sh_reorg): Set up the alloc pool before using add_constant and
6223 dump_table, and destroy it when finishing.
6225 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6227 * config/mips/mips.c: Remove redundant comment.
6229 2006-03-10 Jason Merrill <jason@redhat.com>
6232 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6233 the target was declared 'register'.
6235 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6237 * genpreds.c (write_insn_constraint_len): Change definition of
6238 insn_constraint_len to return size_t to match the declaration.
6240 2006-03-10 DJ Delorie <dj@redhat.com>
6242 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6244 (m32c_expand_insv): Fix test for an AND mask.
6246 2006-03-10 Richard Guenther <rguenther@suse.de>
6249 * builtins.c (get_pointer_alignment): Handle component
6250 references for field alignment.
6252 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6254 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6255 when building with libgloss.
6256 (sh*elf): Implement --without-fp option.
6257 (sh64-superh-linux*): Don't multilib.
6259 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6261 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6263 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6265 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6266 Set it when one of the replacement functions returned true.
6267 Return TODO_cleanup_cfg if cfgchanged is true.
6268 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6270 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6272 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6273 instead of gen_lowpart.
6275 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6277 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6279 (mips_output_order_conditional_branch): Declare.
6280 * config/mips/mips.h (MIPS_BRANCH): New macro.
6281 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6282 for the comparison. Use gen_condjump.
6283 (mips_output_conditional_branch): Rework interface to take the
6284 asm templates for a direct branch and the inverse of a direct branch.
6285 (mips_output_order_conditional_branch): New function.
6286 (mips_builtin_branch_and_move): New function.
6287 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6288 branch condition. Use gen_single_cc as the condition for
6289 __builtin_mips_upper_* or __builtin_mips_lower_*.
6290 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6291 Use VOIDmode for the branch condition.
6292 * config/mips/predicates.md (order_operator): New predicate.
6293 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6294 (branch_fp): Rename to...
6295 (*branch_fp): ...this. Remove mode from comparison operator.
6296 Use new mips_output_conditional_branch interface.
6297 (branch_fp_inverted): Rename to...
6298 (*branch_fp_inverted): ...this and update as for *branch_fp.
6299 (*branch_zero<mode>): Rename to...
6300 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6301 Use mips_output_order_conditional_branch. Only accept ordered
6303 (*branch_zero<mode>_inverted): Rename to...
6304 (*branch_order<mode>_inverted): ...this and update as for
6305 *branch_order<mode>.
6306 (*branch_equality<mode>): Accept zero as the second operand to
6307 the equality operator. Use the new mips_output_conditional_branch
6309 (*branch_equality<mode>_inverted): Likewise.
6310 (condjump): New expander.
6311 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6313 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6314 (bc1any2t, bc1any2f): Likewise.
6315 (single_cc): New expander.
6316 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6318 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6320 * doc/md.texi: Update documentation of MIPS constraints.
6321 * config/mips/constraints.md: New file.
6322 * config/mips/mips.md: Include it.
6323 * config/mips/mips.c (mips_char_to_class): Delete.
6324 (override_options): Don't initialize mips_char_to_class.
6325 * config/mips/mips.h (mips_char_to_class): Delete.
6326 (REG_CLASS_FROM_LETTER): Delete.
6327 (CONST_OK_FOR_LETTER_P): Delete.
6328 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6329 (EXTRA_CONSTRAINT_Y): Delete.
6330 (EXTRA_CONSTRAINT_STR): Delete.
6331 (CONSTRAINT_LEN): Delete.
6332 (EXTRA_MEMORY_CONSTRAINT): Delete.
6334 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6336 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6337 original fn's eh regions.
6339 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6341 * fold-const.c (build_range_check): Make sure to use a valid type to
6342 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6345 (range_predecessor): New static function.
6346 (range_successor): Likewise.
6347 (merge_ranges): Use them to compute predecessors and successors of
6350 2006-03-09 Roger Sayle <roger@eyesopen.com>
6353 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6354 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6356 2006-03-08 DJ Delorie <dj@redhat.com>
6358 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6359 (addpsi3): Expand to include memory operands. Remove
6360 reload-specific splits.
6361 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6362 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6363 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6364 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6365 (shift1_qi, shift1_hi, insv): New.
6366 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6367 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6368 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6370 * config/m32c/m32c-protos.h: Update as needed.
6371 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6372 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6373 Fail for unrecognized R* constraints.
6374 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6375 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6376 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6378 (m32c_init_libfuncs): New.
6379 (m32c_legitimate_address_p): Add debug wrapper.
6380 (m32c_rtx_costs): New.
6381 (m32c_address_cost): New.
6382 (conversions): Add 'B' prefix.
6383 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6384 operands, or word regnames for QI operands. 'B' prints bit
6386 (m32c_expand_setmemhi): New.
6387 (m32c_expand_movmemhi): New.
6388 (m32c_expand_movstr): New.
6389 (m32c_expand_cmpstr): New.
6390 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6391 (m32c_expand_neg_mulpsi3): Handle non-ints.
6392 (m32c_cmp_flg_0): New.
6393 (m32c_expand_movcc): New.
6394 (m32c_expand_insv): New.
6395 (m32c_scc_pattern): New.
6396 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6397 a0/a1 out of SIregs.
6398 (STORE_FLAG_VALUE): New.
6399 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6402 * config/m32c/mov.md: Make constraints more liberal.
6403 (zero_extendqihi2): Optimize r0/r1 case.
6404 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6405 * config/m32c/predicates.md (m32c_any_operand): New.
6406 (m32c_nonimmediate_operand): New.
6407 (m32c_hl_operand): New.
6408 (m32c_r3_operand): New.
6411 (memsym_operand): New.
6412 (memimmed_operand): New.
6413 (a_qi_operand): New.
6414 (m32c_eqne_operator): New.
6415 (m32c_1bit8_operand): New.
6416 (m32c_1bit16_operand): New.
6417 (m32c_1mask8_operand): New.
6418 (m32c_1mask16_operand): New.
6419 * config/m32c/blkmov.md: New file.
6420 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6422 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6424 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6425 unsigned to fix signed/unsigned comparison issue in
6426 DWARF2_FRAME_REG_OUT.
6427 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6428 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6430 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6431 of ptr into the ENABLE_CHECKING section.
6433 2006-03-08 Jeff Law <law@redhat.com>
6435 * tree-vrp.c (infer_value_range): Only count pointer uses
6436 and dereferences if -fdelete-null-pointer-checks is enabled.
6438 * tree-vrp.c (find_assert_locations): Infer value ranges for
6439 single use pointers, but do not create ASSERT_EXPRs for them.
6440 When a non-null range is inferred for a pointer, backwards
6441 propagate that range to other equivalent pointers through the
6444 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6447 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6448 language hook targets.
6449 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6450 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6451 if language hook targets were missing.
6453 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6455 * tree-ssa-opfinalize.h: Removed.
6456 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6458 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6459 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6460 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6461 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6462 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6463 finalize_ssa_v_must_def_ops): New.
6465 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6467 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6470 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6472 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6474 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6475 addresses with offsets; reorganize.
6477 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6478 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6479 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6481 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6484 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6486 2006-03-08 Ben Elliston <bje@au.ibm.com>
6488 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6490 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6493 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6496 2006-03-07 Richard Guenther <rguenther@suse.de>
6498 PR tree-optimization/26587
6499 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6501 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6503 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6505 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6507 * hooks.c (hook_bool_mode_rtx_true): New function.
6508 * hooks.h (hook_bool_mode_rtx_true): Declare.
6509 * toplev.c (compile_file): Call output_shared_constant_pool.
6510 * varasm.c (shared_constant_pool): New variable.
6511 (assemble_start_function, assemble_end_function): Remove arguments
6512 from call to output_constant_pool.
6513 (create_constant_pool): New function, split out from...
6514 (init_varasm_status): ...here.
6515 (force_const_mem): Choose between the shared and per-function constant
6516 pools. Set current_function_uses_const_pool when reusing old entries
6517 as well as when creating new ones.
6518 (mark_constant): Ignore data argument.
6519 (mark_constants): Remove pool argument.
6520 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6521 to decide whether the function uses a constant pool.
6522 (output_constant_pool_contents): New function, split out from...
6523 (output_constant_pool): ...here.
6524 (output_shared_constant_pool): New function.
6525 (init_varasm_once): Initialize shared_constant_pool.
6526 * output.h (output_constant_pool): Delete.
6527 (output_shared_constant_pool): Declare.
6528 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6529 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6531 2006-03-06 Nick Clifton <nickc@redhat.com>
6533 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6534 flag_strength_reduce.
6536 2006-03-06 Ben Elliston <bje@au.ibm.com>
6538 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6539 x86_64-*-linux* configurations.
6541 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6542 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6544 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6546 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6548 * basic-block.h: Remove the extern for
6549 rediscover_loops_after_threading.
6551 * cfgloop.c (cancel_loop): Make it static.
6552 * cfgloop.h: Remove the prototype for cancel_loop.
6554 * flow.c (recompute_reg_usage): Make it static.
6555 * rtl.h: Remove the prototype for recompute_reg_usage.
6557 * function.c (use_return_register): Make it static.
6558 * function.h: Remove the prototype.
6560 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6562 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6564 * recog.h: Remove the prototype for
6565 validate_change_maybe_volatile.
6567 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6569 * rtlanal.c (replace_reg): Remove.
6570 * rtl.h: Remove the prototype for replace_reg.
6572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6574 * regclass.c (reg_scan_update): Remove.
6575 (reg_scan_mark_refs): Remove the last argument.
6576 * rtl.h: Remove the prototype for reg_scan_update.
6578 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6580 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6581 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6582 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6583 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6584 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6585 loop-invariant.c, omp-low.c, opts.c, passes.c,
6586 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6587 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6588 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6589 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6590 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6591 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6595 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6596 * dwarf2out.h: Remove the prototype for
6597 dwarf2out_add_library_unit_info.
6599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6601 * tree.c (add_var_to_bind_expr): Remove.
6602 * tree.h: Remove the prototype for add_var_to_bind_expr.
6604 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6606 * regclass.c (n_non_fixed_regs): Remove.
6607 (init_reg_sets_1, globalize_reg): Remove all uses of
6609 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6611 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6613 * rtlanal.c (insns_safe_to_move_p): Remove.
6614 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6616 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6618 * expmed.c (expand_mult_add): Remove.
6619 * expr.h: Remove the prototype for expand_mult_add.
6621 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6623 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6624 and REG_SAVED_VAL_EXP constants.
6625 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6626 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6627 Handle regs stored by value.
6628 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6629 (execute_cfa_program): Handle DW_CFA_val_offset,
6630 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6631 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6632 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6633 (uw_install_context_1): Handle target regs stored by value.
6635 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6637 * tree-sra.c (tree_sra): Return todoflags;
6638 (generate_one_element): Set TODO_update_smt_usage if needed.
6639 (pass_sra): Remove TODO_update_smt_usage.
6640 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6642 (tree_ssa_forward_propagate_single_use_vars): Return
6643 TODO_update_smt_usage if we need to update SMT usage.
6644 (pass_forwprop): Remove TODO_update_smt_usage.
6646 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6648 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6649 (correct_use_link): Remove reference to get_stmt_operands.
6650 (update_stmt_operands): Likewise.
6651 (get_modify_expr_operands): New function factored out of
6652 parse_ssa_operands and get_expr_operands.
6653 Try to create V_MUST_DEFs for LHS by default.
6654 (get_expr_operands) <case MODIFY_EXPR>: Call
6655 get_modify_expr_operands.
6656 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6657 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6658 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6659 get_modify_expr_operands.
6661 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6663 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6664 * tree-flow.h: Remove the prototype for
6665 referenced_var_lookup_if_exists.
6667 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6669 PR rtl-optimization/26345
6671 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6673 2006-03-03 Roger Sayle <roger@eyesopen.com>
6675 PR tree-optimization/26524
6676 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6677 fold_convert to create a constant of the appropriate type.
6679 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6681 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6682 SYMBOL_REF_IN_BLOCK_P.
6683 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6684 of SYMBOL_FLAG_IN_BLOCK.
6685 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6686 instead of SYMBOL_REF_IN_BLOCK_P.
6687 * explow.c (use_anchored_address): Likewise.
6688 * rtl.c (rtx_size): Likewise.
6689 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6690 instead of SYMBOL_FLAG_IN_BLOCK.
6691 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6692 SYMBOL_REF_IN_BLOCK_P.
6693 (assemble_variable): Likewise.
6694 (output_constant_def_contents): Likewise.
6695 (output_constant_pool): Likewise.
6696 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6697 instead of SYMBOL_FLAG_IN_BLOCK.
6698 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6699 SYMBOL_REF_IN_BLOCK_P.
6700 (SYMBOL_REF_BLOCK): Likewise.
6701 (SYMBOL_REF_OFFSET): Likewise.
6702 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6703 SYMBOL_REF_IN_BLOCK_P.
6704 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6705 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6706 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6707 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6709 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6711 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6713 2006-03-02 Roger Sayle <roger@eyesopen.com>
6715 * simplify-rtx.c (simplify_unary_operation): When simplifying
6716 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6717 that we perform the right shift in the appropriate mode, and
6718 then extend or truncate the result to requested mode.
6720 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6722 * gengtype.c (main): Handle double_int type.
6723 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6724 * double-int.c: New file.
6725 * double-int.h: New file.
6726 * system.h: Include doubleint.h.
6727 * Makefile.in (SYSTEM_H): Include double-int.h.
6728 (double-int.o): Add.
6730 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6733 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6736 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6738 * tree-vrp.c (remove_range_assertions): Do not update statements
6741 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6743 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6745 * gcse.c (rest_of_handle_gcse): Ditto.
6746 * except.c (gate_handle_eh): Ditto.
6747 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6748 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6750 2006-03-02 Eric Christopher <echristo@apple.com>
6752 * config/i386/i386.c (machopic_output_stub): Add indirection to
6755 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6759 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6761 Sun Niagara specific optimizations.
6762 * config.gcc: Recognize niagara as target.
6763 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6764 (TARGET_CPU_niagara): Define.
6765 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6766 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6767 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6768 (ASM_CPU_SPEC): Likewise.
6769 (PROCESSOR_NIAGARA): New enum entry.
6770 (REGISTER_MOVE_COST): Handle Niagara.
6771 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6772 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6773 (sparc_override_options): Recognize "niagara", set appropriate
6774 default MASK_* values for it, and align functions to 32-bytes
6775 by default just like ULTRASPARC/ULTRASPARC3.
6776 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6777 (sparc64_initialize_trampoline): Likewise.
6778 (sparc_use_sched_lookahead): Use zero for niagara.
6779 (sparc_issue_rate): Use one for niagara.
6780 * config/sparc/niagara.md: New file.
6781 * config/sparc/sparc.md: Include it.
6782 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6783 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6784 when default cpu is niagara.
6785 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6786 (ASM_CPU_SPEC): Likewise.
6787 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6788 when default cpu is niagara.
6789 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6790 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6791 just like v9/ultrasparc/ultrasparc3.
6792 * doc/invoke.texi: Add documentation for "niagara" and improve
6793 existing documentation for ultrasparc variants.
6795 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6797 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6799 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6801 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6802 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6803 and say that only one is needed.
6804 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6805 * target.h (have_switchable_bss_sections): New hook.
6806 * explow.c (use_anchored_address): Check that the symbol is in a block.
6807 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6808 (bss_noswitch_section): New variables.
6809 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6810 (get_noswitch_section): New function.
6811 (get_block_for_section): Allow SECT to be null.
6812 (unlikely_text_section_p): Use SECTION_STYLE.
6813 (bss_initializer_p): New function.
6814 (get_variable_section): Move earlier in file. Take a new argument,
6815 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6816 Return one of the new *_sections in such cases.
6817 (get_block_for_decl): New function, extracting some logic from
6818 use_blocks_for_decl_p.
6819 (change_symbol_section): Remove in favor of...
6820 (change_symbol_block): ...this new function.
6821 (use_blocks_for_decl_p): Remove checks now performed by
6823 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6824 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6825 (emit_local, emit_bss, emit_common): ...these new functions.
6826 Return true if the alignment was honored.
6827 (emit_tls_common): New function.
6828 (asm_emit_uninitialised): Delete.
6829 (assemble_variable_noswitch): New function, split out from...
6830 (assemble_variable): ...here. Don't make decisions about common
6831 variables here. Globalize all public decls that go into non-common
6832 sections. Check whether SYMBOL_REF_BLOCK is null.
6833 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6834 (output_constant_pool): Likewise.
6835 (init_varasm_once): Initialize the new section variables.
6836 (have_global_bss_p): New function.
6837 (categorize_decl_for_section): Use bss_initializer_p.
6838 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6839 (place_block_symbol): Assert that the symbol must be in a block.
6840 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6841 (TARGET_INITIALIZER): Include it.
6842 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6843 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6844 (SECTION_MACH_DEP): Bump by two.
6845 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6846 (unnamed_section): Mention SECTION_UNNAMED in comment.
6847 (named_section): Likewise SECTION_NAMED.
6848 (noswitch_section_callback): New type.
6849 (noswitch_section): New structure.
6850 (section): Add a noswitch_section alternative.
6851 (SECTION_STYLE): New macro.
6852 (tls_comm_section, comm_section, lcomm_section): Declare.
6853 (bss_noswitch_section, have_global_bss_p): Declare.
6854 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6855 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6857 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6858 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6861 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6863 * tree-vrp.c (execute_vrp): Return value.
6864 * regrename.c (rest_of_handle_regrename): Ditto.
6865 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6866 * tree-complex.c (tree_lower_complex): Ditto.
6867 (tree_lower_complex_O0): Ditto.
6868 * tracer.c (rest_of_handle_tracer): Ditto.
6869 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6870 * postreload.c (rest_of_handle_postreload): Ditto.
6871 * tree-tailcall.c (execute_tail_recursion): Ditto.
6872 (execute_tail_calls): Ditto.
6873 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6874 * tree.h (init_function_for_compilation): Ditto.
6875 * ipa-cp.c (ipcp_driver): Ditto.
6876 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6877 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6878 * final.c (compute_alignments): Ditto.
6879 (rest_of_handle_final): Ditto.
6880 (rest_of_handle_shorten_branches): Ditto.
6881 (rest_of_clean_state): Ditto.
6882 * omp-low.c (execute_expand_omp): Ditto.
6883 (execute_lower_omp): Ditto.
6884 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6885 * ipa-reference.c (static_execute): Ditto.
6886 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6887 * reorg.c (rest_of_handle_delay_slots): Ditto.
6888 (rest_of_handle_machine_reorg): Ditto.
6889 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6890 * flow.c (recompute_reg_usage): Ditto.
6891 (rest_of_handle_remove_death_notes): Ditto.
6892 (rest_of_handle_life): Ditto.
6893 (rest_of_handle_flow2): Ditto.
6894 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6895 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6896 (do_ssa_store_ccp): Ditto.
6897 (execute_fold_all_builtins): Ditto.
6898 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6899 * modulo-sched.c (rest_of_handle_sms): Ditto.
6900 * ipa-pure-const.c (static_execute): Ditto.
6901 * cse.c (rest_of_handle_cse): Ditto.
6902 (rest_of_handle_cse2): Ditto.
6903 * web.c (rest_of_handle_web): Ditto.
6904 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6905 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6906 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6907 * tree-nrv.c (tree_nrv): Ditto.
6908 (execute_return_slot_opt): Ditto.
6909 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6910 (create_structure_vars): Ditto.
6911 * loop-init.c (rtl_loop_init): Ditto.
6912 (rtl_loop_done): Ditto.
6913 (rtl_move_loop_invariants): Ditto.
6914 (rtl_unswitch): Ditto.
6915 (rtl_unroll_and_peel_loops): Ditto.
6916 (rtl_doloop): Ditto.
6917 * gimple-low.c (lower_function_body): Ditto.
6918 (mark_used_blocks): Ditto.
6919 * tree-ssa-sink.c (execute_sink_code): Ditto.
6920 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6921 (cgraph_early_inlining): Ditto.
6922 * global.c (rest_of_handle_global_alloc): Ditto.
6923 * jump.c (cleanup_barriers): Ditto.
6924 (purge_line_number_notes): Ditto.
6925 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6926 (rest_of_handle_if_after_reload): Ditto.
6927 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6928 (tree_ssa_loop_im): Ditto.
6929 (tree_ssa_loop_unswitch): Ditto.
6930 (tree_vectorize): Ditto.
6931 (tree_linear_transform): Ditto.
6932 (tree_ssa_loop_ivcanon): Ditto.
6933 (tree_ssa_empty_loop): Ditto.
6934 (tree_ssa_loop_bounds): Ditto.
6935 (tree_complete_unroll): Ditto.
6936 (tree_ssa_loop_prefetch): Ditto.
6937 (tree_ssa_loop_ivopts): Ditto.
6938 (tree_ssa_loop_done): Ditto.
6939 * predict.c (tree_estimate_probability): Ditto.
6940 * recog.c (split_all_insns_noflow): Ditto.
6941 (rest_of_handle_peephole2): Ditto.
6942 (rest_of_handle_split_all_insns): Ditto.
6943 * tree-eh.c (lower_eh_constructs): Ditto.
6944 * regmove.c (rest_of_handle_regmove): Ditto.
6945 (rest_of_handle_stack_adjustments): Ditto.
6946 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6947 * function.c (instantiate_virtual_regs): Ditto.
6948 (init_function_for_compilation): Ditto.
6949 (rest_of_handle_check_leaf_regs): Ditto.
6950 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6951 (rest_of_handle_gcse): Ditto.
6952 * ipa-type-escape.c (type_escape_execute): Ditto.
6953 * alias.c (rest_of_handle_cfg): Ditto.
6954 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6955 * profile.c (rest_of_handle_branch_prob): Ditto.
6956 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6957 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6958 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6959 * tree-dfa.c (find_referenced_vars): Ditto.
6960 * except.c (set_nothrow_function_flags): Ditto.
6961 (convert_to_eh_region_ranges): Ditto.
6962 (rest_of_handle_eh): Ditto.
6963 * emit-rtl.c (unshare_all_rtl): Ditto.
6964 (remove_unnecessary_notes): Ditto.
6965 * except.h (set_nothrow_function_flags): Ditto.
6966 (convert_to_eh_region_ranges): Ditto.
6967 * cfgexpand.c (tree_expand_cfg): Ditto.
6968 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6969 * tree-ssa-pre.c (do_pre): Ditto.
6970 (execute_fre): Ditto.
6971 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6972 (rest_of_handle_jump2): Ditto.
6973 * tree-sra.c (tree_sra): Ditto.
6974 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6975 (execute_mudflap_function_decls): Ditto.
6976 * tree-ssa-copy.c (do_copy_prop): Ditto.
6977 (do_store_copy_prop): Ditto.
6978 * ipa-prop.h (ipcp_driver): Ditto.
6979 * cfglayout.c (insn_locators_initialize): Ditto.
6980 * tree-ssa-forwprop.c
6981 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6982 * cfglayout.h (insn_locators_initialize): Ditto.
6983 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6984 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6985 (execute_late_warn_uninitialized): Ditto.
6986 * rtl.h (cleanup_barriers): Ditto.
6987 (split_all_insns_noflow): Ditto.
6988 (purge_line_number_notes): Ditto.
6989 (unshare_all_rtl): Ditto.
6990 (remove_unnecessary_notes): Ditto.
6991 (recompute_reg_usage): Ditto.
6992 (variable_tracking_main): Ditto.
6993 * integrate.c (emit_initial_value_sets): Ditto.
6994 * integrate.h (emit_initial_value_sets): Ditto.
6995 * tree-optimize.c (execute_free_datastructures): Ditto
6996 (execute_free_cfg_annotations): Ditto.
6997 (execute_fixup_cfg): Ditto.
6998 (execute_cleanup_cfg_pre_ipa): Ditto.
6999 (execute_cleanup_cfg_post_optimizing): Ditto.
7000 (execute_init_datastructures): Ditto.
7001 * tree-object-size.c (compute_object_sizes): Ditto.
7002 * combine.c (rest_of_handle_combine): Ditto.
7003 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7004 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7005 (rest_of_handle_reorder_blocks): Ditto.
7006 (rest_of_handle_partition_blocks): Ditto.
7007 * var-tracking.c (variable_tracking_main): Ditto.
7008 * tree-profile.c (tree_profiling): Ditto.
7009 * tree-vect-generic.c (expand_vector_operations): Ditto.
7010 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7011 * sched-rgn.c (rest_of_handle_sched): Ditto.
7012 (rest_of_handle_sched2): Ditto.
7013 * basic-block.h (free_bb_insn): Ditto.
7014 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7015 * tree-cfg.c (execute_build_cfg): Ditto.
7016 (remove_useless_stmts): Ditto.
7017 (split_critical_edges): Ditto.
7018 (execute_warn_function_return): Ditto.
7019 (execute_warn_function_noreturn): Ditto.
7020 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7021 * cfgrtl.c (free_bb_for_insn): Ditto.
7022 * passes.c (execute_one_pass): Run additional
7023 todos returned by execute function.
7024 * tree-pass.h (struct tree_opt_pass): Make execute
7027 2006-03-02 Richard Guenther <rguenther@suse.de>
7029 * tree-ssa-alias.c (find_used_portions): Consider taking
7030 the address as making the variable not write-only.
7032 2006-03-02 Nick Clifton <nickc@redhat.com>
7034 * config.gcc (default_use_cxa_atexit): Extend the description of
7035 this configure variable. Set its default value to "yes" for
7036 Linux, NetBSD and ELF targets on the assumption that they will
7037 use C libraries with the __cxa_atexit function.
7039 2006-03-02 Ben Elliston <bje@au.ibm.com>
7041 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7042 parameter as unused to suppress a build warning.
7044 2006-03-02 Ben Elliston <bje@au.ibm.com>
7046 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7049 2006-03-01 Roger Sayle <roger@eyesopen.com>
7052 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7053 declared name, the weak reference name, and the typeof name.
7054 (__gthrw): Avoid expanding the declared name suffix.
7055 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7057 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7059 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7061 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7062 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7063 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7064 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7065 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7066 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7067 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7068 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7069 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7070 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7071 (DW_END_default, DW_END_big, DW_END_little): New.
7072 (DW_END_lo_user, DW_END_hi_user): Define.
7073 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7074 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7075 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7078 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7080 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7082 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7084 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7086 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7088 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7089 to 'symbol_mem_tag'.
7091 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7094 2006-03-01 Roger Sayle <roger@eyesopen.com>
7096 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7098 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7101 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7102 MACHO_DYNAMIC_NO_PIC_P.
7103 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7105 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7108 * config/darwin-protos.h (darwin_asm_output_anchor):
7110 * config/darwin-sections.def (cstring_section):
7111 Add SECTION_MERGE to the flags.
7112 (literal4_section): Likewise.
7113 (literal8_section): Likewise.
7114 (objc_selector_refs_section): Likewise.
7115 (objc_cls_refs_section): Likewise.
7116 * config/darwin.c (darwin_asm_output_anchor): New
7118 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7120 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7122 Fix PR tree-optimization/26443
7123 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7124 to todo and PROP_tmt_usage to properties_destroyed.
7125 * tree-ssa-ccp.c (pass_ccp): Ditto.
7126 (pass_store_ccp): Ditto.
7127 * tree-ssa-dom.c (pass_dominator): Ditto.
7129 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7131 * tree-ssa-operands.c: Cleanup whitespace.
7132 (get_asm_expr_operands): Move before first invocation.
7133 (get_indirect_ref_operands): Likewise.
7134 (get_tmr_operands): Likewise.
7135 (get_call_expr_operands): Likewise.
7136 (append_def): Likewise.
7137 (append_use): Likewise.
7138 (append_v_may_def): Likewise.
7139 (append_v_must_def): Likewise.
7140 (add_call_clobber_ops): Likewise.
7141 (add_call_read_ops): Likewise.
7142 (add_stmt_operand): Likewise.
7143 (add_virtual_operand): Likewise.
7144 (build_ssa_operands): Likewise.
7146 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7151 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7152 with a call expr to ...
7153 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7155 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7157 * tree-vrp.c (extract_range_from_assert): Remove special
7158 handling for types with super-types.
7160 2006-03-01 Ben Elliston <bje@au.ibm.com>
7162 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7163 and powerpc64-*-linux* configurations.
7164 * config/t-dfprules: New file.
7166 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7167 Compile dfp-bit.c from the source directory using -DWIDTH and
7168 $DFP_CFLAGS to control the compilation of that file, rather than
7169 generating width-specific versions in the build directory.
7170 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7171 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7173 2006-02-28 Zack Weinberg <zackw@panix.com>
7175 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7178 2006-02-28 Eric Christopher <echristo@apple.com>
7180 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7181 Set up IN_LIBGCC definition of TARGET_64BIT.
7182 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7184 2006-02-28 Roger Sayle <roger@eyesopen.com>
7187 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7188 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7189 cases via the construction of "expr != 0".
7191 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7193 * alias.c (alias_invariant, alias_invariant_size): Remove.
7194 (record_base_value): Remove.
7195 (memrefs_conflict_p): Don't look at alias_invariant.
7196 (end_alias_analysis): Don't free it.
7197 * alias.h (record_base_value): Remove prototype.
7199 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7200 Adam Nemet <anemet@caviumnetworks.com>
7202 * rtl.h (truncated_to_mode): Declare it.
7203 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7204 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7205 (RTL_HOOKS_INITIALIZER): Include it.
7206 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7207 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7208 reg_truncated_to_mode.
7209 * rtlanal.c (truncated_to_mode): Define it.
7210 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7212 2006-02-28 Jeff Law <law@redhat.com>
7214 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7215 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7216 the range allowed by TYPE_PRECISION.
7218 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7220 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7222 PR tree-optimization/26419
7223 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7226 2006-02-27 Zack Weinberg <zackw@panix.com>
7228 * doc/md.texi: Fix typo in previous change.
7230 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7234 2006-02-27 Zack Weinberg <zackw@panix.com>
7236 * rtl.def (define_constraint, define_register_constraint)
7237 (define_memory_constraint, define_address_constraint): New MD forms.
7238 * gensupport.c (process_rtx): Put define_constraint etc on the
7240 * genpreds.c (process_define_predicate): Adjust comment. Validate
7241 the name, and call validate_exp to validate the expression.
7242 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7243 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7244 all callers changed.
7245 (validate_exp, needs_variable, struct constraint_data)
7246 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7247 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7248 (const_dbl_constraints, constraint_max_namelen)
7249 (have_register_constraints, have_memory_constraints)
7250 (have_address_constraints, have_address_constraints)
7251 (have_extra_constraints, have_const_int_constraints)
7252 (have_const_dbl_constraints, mangle, add_constraint)
7253 (process_define_constraint, process_define_register_constraint)
7254 (write_enum_constraint_num, write_lookup_constraint)
7255 (write_insn_constraint_len, write_regclass_for_constraint)
7256 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7257 (write_insn_extra_memory_constraint)
7258 (write_insn_extra_address_constraint)
7259 (write_satisfies_constraint_fns): New.
7260 (write_tm_preds_h): If we have new-style constraint definitions,
7261 prototype the functions generated from them, and define the
7262 old constraint interface (still used by generic code) in terms of
7264 (write_insn_preds_c): If we have new-style constraint definitions,
7265 generate all relevant functions from those definitions.
7266 (main): Handle define_constraint etc.
7267 * genoutput.c (struct constraint_data, indep_constraints)
7268 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7269 (mdep_constraint_len): New data structures and functions, defined
7270 #ifdef USE_MD_CONSTRAINTS.
7271 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7272 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7273 use new logic to validate operand constraints against constraint
7275 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7277 * defaults.h: If none of the old-style constraint macros are
7278 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7279 old-style macros; and poison REG_CLASS_FROM_LETTER,
7280 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7282 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7283 * doc/md.texi: Document new constraint-definition mechanism and the
7284 C interface it provides. Remove references to old mechanism
7285 elsewhere in the document.
7286 (Machine Constraints): Use pathnames relative to gcc directory,
7287 i.e. config/ARCH/FILE. Change i386 section to refer to
7288 config/i386/predicates.md; update that section to match docstrings.
7289 * doc/tm.texi: Move all documentation of the old constraint-
7290 definition macros to their own section, clearly mark as obsolete.
7292 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7293 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7295 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7296 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7297 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7299 (splits and peepholes): Use satisfies_constraint_*.
7300 * config/i386/i386.c (memory_address_length)
7301 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7303 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7305 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7306 scalar operation to be put back into the loop.
7308 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7311 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7312 (extract_cie_info): Handle S flag in augmentation string.
7313 (execute_cfa_program): If context->signal_frame, execute also
7314 fs->pc == context->ra instructions.
7315 (uw_frame_state_for): If context->signal_frame, don't subtract one
7316 from context->ra to find FDE.
7317 (uw_update_context_1): Set context->signal_frame to
7319 (_Unwind_GetIPInfo): New function.
7320 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7321 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7323 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7324 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7325 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7326 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7327 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7328 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7329 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7330 x86_64_fallback_frame_state): Set fs->signal_frame.
7331 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7332 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7333 (frob_update_context): Likewise. Workaround missing S flag in
7334 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7335 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7336 Remove the psw_addr + 1 hack.
7338 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7340 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7341 with aggregates here.
7342 (find_func_aliases): Remove code for &<aggregate> from here.
7344 2006-02-26 Roger Sayle <roger@eyesopen.com>
7346 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7347 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7348 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7351 2006-02-26 Roger Sayle <roger@eyesopen.com>
7354 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7356 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7358 * opts.c (decode_options): Do not handle flag_strength_reduce.
7359 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7360 and OPT_fstrength_reduce.
7361 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7362 flag_prefetch_loop_arrays for being nonzero.
7363 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7365 (fprefetch-loop-arrays-rtl): Removed.
7366 (flag_prefetch_loop_arrays): Do not specify the value.
7368 * doc/passes.texi: Update documentation of loop optimizer
7370 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7371 -frerun-loop-opt): Remove.
7373 2006-02-26 Richard Guenther <rguenther@suse.de>
7375 PR tree-optimization/26421
7376 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7377 in function calls that are ADDR_EXPRs as using the whole structure.
7379 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7381 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7382 * tree-pass.h (pass_loop_optimize): Remove.
7383 * passes.c (pass_loop_optimize): Never run it.
7384 * toplev.c (backend_init): Don't call init_loop.
7385 * opts.c (flag_loop_optimize_set): Remove.
7386 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7387 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7388 the old RTL loop optimizer when profiling enabled.
7389 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7390 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7391 pre-headers for the sake of the old RTL loop optimizer.
7392 * Makefile.in: Remove all references to loop.o.
7394 * doc/invoke.texi: Remove all references to -floop-optimize
7395 and -frerun-loop-opt.
7397 2006-02-26 Zack Weinberg <zackw@panix.com>
7399 * doc/md.texi (Machine Constraints): Refer to all files with paths
7400 relative to gcc directory (i.e. config/CPU/file). Add missing
7401 @table @code ... @end table to M32C subsection.
7403 2006-02-26 Roger Sayle <roger@eyesopen.com>
7405 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7407 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7409 2006-02-26 Roger Sayle <roger@eyesopen.com>
7410 James A. Morrison <phython@gcc.gnu.org>
7413 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7414 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7415 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7416 signedness of the shift operation.
7418 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7420 PR tree-optimization/26359
7421 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7423 2006-02-25 Roger Sayle <roger@eyesopen.com>
7425 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7426 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7427 as X == 0, and some symmetry related transformations.
7428 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7430 2006-02-25 Roger Sayle <roger@eyesopen.com>
7433 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7434 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7435 symmetry related transformations. Fold (X^C1) == C2 as
7438 2006-02-25 Juergen Weigert <jw@suse.de>
7439 Richard Guenther <rguenther@suse.de>
7441 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7443 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7445 * combine.c (gen_lowpart_or_truncate): Call
7446 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7448 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7450 * doc/invoke.texi: Move -fopenmp description to "Options for
7452 Remove reference to -lgomp.
7454 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7456 * doc/install.texi: Require GNU tar version 1.14.
7458 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7460 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7461 * doc/invoke.texi (C++ Dialect Options): Document
7462 -fno-use-cxa-get-exception-ptr.
7463 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7464 * configure: Regenerate.
7465 * c.opt (fuse-cxa-get-exception-ptr): New.
7466 * c-opts.c (c_common_handle_option): Handle
7467 OPT_fuse_cxa_get_exception_ptr.
7468 * c-common.c (flag_use_cxa_atexit): Update documentation.
7469 (flag_use_cxa_get_exception_ptr): New.
7470 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7471 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7473 (C_COMMON_OVERRIDE_OPTIONS): New.
7475 2006-02-24 Roger Sayle <roger@eyesopen.com>
7478 * combine.c (try_combine): Explicitly check whether GET_CODE is
7479 a SET or a CLOBBER, instead on checking that it isn't a USE.
7481 2006-02-24 Roger Sayle <roger@eyesopen.com>
7483 * fold-const.c (fold_comparison): New subroutine of fold_binary
7484 containing transformations common to both the equality and
7485 ordering relational operators, factored out of fold_binary.
7486 (fold_binary): Separate out the equality operators (EQ_EXPR
7487 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7488 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7489 transformations common to both.
7490 (fold_div_compare): Fix latent bugs in the previously unreachable
7491 LT_EXPR and GE_EXPR cases.
7493 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7495 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7496 decl libname for clog to __clog on AIX.
7498 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7500 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7503 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7504 output traceback table for thunks. Localise rs6000_stack_info call.
7506 2006-02-23 Roger Sayle <roger@eyesopen.com>
7507 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7509 * gthr-posix.h (__gthrw): Fix typo in comment.
7511 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7513 * doc/cpp.texi (Character sets): Document that we do support
7514 input files to be in any character set.
7516 2006-02-23 Jeff Law <law@redhat.com>
7518 * tree.h (PHI_ARG_NONZERO): Remove.
7519 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7520 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7521 node to the new node.
7523 PR tree-optimization/26425
7524 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7525 min/max, then assume its varying.
7527 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7529 PR rtl-optimization/26316
7530 * rtlanal.c (enum may_trap_p_flags): New.
7531 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7532 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7533 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7534 (may_trap_after_code_motion_p): New function.
7535 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7536 (find_invariant_insn): Use may_trap_after_code_motion_p.
7537 * rtl.h (may_trap_after_code_motion_p): Declare.
7539 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7541 * emit-rtl.c (immed_double_const): Cleanup.
7543 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7545 Fix PR tree-optimization/26376
7546 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7549 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7552 * gimplify.c (omp_add_variable): Guard variable size decl test with
7553 DECL_SIZE (decl) check.
7555 2006-02-23 Richard Guenther <rguenther@suse.de>
7558 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7559 like aggregate types.
7561 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7563 * configure.ac: Add --with{,out}-long-double-128 configure option.
7564 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7565 * configure: Rebuilt.
7566 * config.in: Rebuilt.
7567 * doc/install.texi (Options specification): Document
7568 --with-long-double-128.
7570 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7571 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7572 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7573 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7575 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7577 * config/s390/s390.c (override_options): Handle
7578 TARGET_DEFAULT_LONG_DOUBLE_128.
7580 * config/alpha/alpha.c (override_options): Handle
7581 TARGET_DEFAULT_LONG_DOUBLE_128.
7583 * config/sparc/sparc.c (sparc_override_options): Handle
7584 TARGET_DEFAULT_LONG_DOUBLE_128.
7586 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7588 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7589 (real-install-headers-tar, real-install-headers-cpio)
7590 (real-install-headers-cp): New targets.
7592 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7594 * tree.h (variable_section): Delete.
7595 * varasm.c (variable_section): Delete.
7597 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7599 * install.texi: Add notes on install.texi2html.
7600 (Building in parallel): Do not use footnotes.
7602 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7605 * doc/install.texi (Configuration): Document --disable-libgomp.
7607 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7609 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7611 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7613 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7614 (vec_extractv2df_0_sse): New.
7616 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7618 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7619 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7620 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7621 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7622 to the result of the expression.
7623 (def_cfa_1): Adjust.
7624 (frame_pointer_cfa_offset): Rename to...
7625 (frame_pointer_fb_offset): ... this. Adjust all uses.
7626 (convert_cfa_to_loc_list): Rename to...
7627 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7628 Pass it on to build_cfa_loc.
7629 (compute_frame_pointer_to_cfa_displacement): Rename to...
7630 (compute_frame_pointer_to_fb_displacement): ... this. New
7631 offset parameter. Use it in computation.
7632 (gen_subprogram_die): Compute cfa_fb_offset with the new
7633 macro, and use it to compute the fb loc list and the
7636 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7638 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7639 replaced with register_operand.
7640 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7641 non-DREG is expensive.
7642 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7643 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7646 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7648 * doc/install.texi2html: Use set -e.
7650 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7652 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7653 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7654 * doc/invoke.texi (-fshared-data): Delete.
7655 * common.opt (fshared-data): Delete.
7656 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7657 (assemble_static_space): Remove #if 0 code.
7658 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7659 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7660 * config/cris/cris.h: Remove FIXME.
7662 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7664 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7667 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7670 * combine.c (simplify_shift_const_1): Disable nested shifts
7671 optimization for vector shifts.
7673 2006-02-20 Roger Sayle <roger@eyesopen.com>
7675 PR tree-optimization/26361
7676 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7677 of unsigned integer types.
7679 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7681 * tree-chrec.c (eq_evolutions_p): New.
7682 * tree-chrec.h (eq_evolutions_p): Declared.
7683 * tree-data-ref.c: Fix formatting.
7684 (datadep_stats, dependence_stats): New.
7686 (print_direction_vector): New.
7687 (dump_data_dependence_relation): Use print_direction_vector.
7688 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7689 (compute_subscript_distance): Static.
7690 (initialize_data_dependence_relation): Static. Get the number
7691 of loops surrounding the references from the callers, and initialize
7692 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7693 base_object_differ_p analyzers.
7694 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7695 compute_overlap_steps_for_affine_1_2,
7696 analyze_subscript_affine_affine): Count the classified dependences.
7697 Print a message when a test failed.
7698 (can_use_analyze_subscript_affine_affine): New.
7699 (analyze_siv_subscript): Compute the data dependences on symbolic
7700 scevs that verify can_use_analyze_subscript_affine_affine.
7701 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7702 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7703 Handle symbolic scevs.
7704 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7706 (subscript_dependence_tester): Moved...
7707 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7708 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7709 DDR_SIZE_VECT instead of getting it in parameter.
7710 (subscript_dependence_tester): ... here. Take as a parameter
7711 loop_nest_depth. Call build_classic_dist_vector and
7712 build_classic_dir_vector.
7713 (compute_affine_dependence): Update subscript_dependence_tester
7714 parameters. Update datadep_stats counters. Call
7715 compute_subscript_distance.
7716 (compute_self_dependence): Save the dist and dir vectors. Call
7717 compute_subscript_distance.
7718 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7719 (compute_all_dependences): Reorder parameters as they were before
7720 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7721 compute_subscript_distance. Update the use of
7722 compute_affine_dependence and initialize_data_dependence_relation.
7723 (find_data_references_in_loop): Handle COMPONENT_REF.
7724 (compute_data_dependences_for_loop): Initialize dependence_stats.
7725 Don't call build_classic_dist_vector and build_classic_dir_vector.
7726 Update the parameters of initialize_data_dependence_relation and
7727 compute_all_dependences. Print the statistics from datadep_stats.
7728 (analyze_all_data_dependences): Static. Not used until the pass for
7729 checking the data dependences is contributed.
7730 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7731 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7732 (initialize_data_dependence_relation, compute_affine_dependence,
7733 analyze_all_data_dependences, compute_subscript_distance): Removed.
7734 (print_direction_vector): New.
7735 * lambda.h (gcd): ... here.
7736 (lambda_vector_gcd): Moved here from gcd_vector.
7737 * lambda-code.c (gcd, gcd_vector): Removed.
7738 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7739 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7741 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7743 * ipa-type-escape.c: Tidy some comments and white space.
7744 * tree-ssa-operands.c: Likewise.
7746 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7749 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7750 (dump_decl_name): Do not walk the decl tree chains.
7751 * tree-pass.h (TDF_CHAIN): Remove.
7753 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7755 * Makefile.in (C): Remove
7757 (.PHONY): Remove C and PROTO
7759 2006-02-20 Roger Sayle <roger@eyesopen.com>
7762 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7763 deprecated CHAR_TYPE tree code.
7765 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7767 * configure.ac (target_list): Add install-info, dvi, html.
7768 * configure: Regenerate.
7770 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7771 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7772 treelang/Make-lang.in: Do not use double-colon rules.
7774 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7776 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7777 (TMT_USED_ALONE): New macro.
7778 * tree-pass.h (PROP_tmt_usage): New property.
7779 (TODO_update_tmt_usage): New todo.
7780 * tree-ssa-alias.c (updating_used_alone): New variable.
7781 (recalculate_used_alone): New function.
7782 (compute_may_aliases): Set updating_used_alone, call
7783 recalculate_used_alone.
7784 * tree-sra.c (pass_sra): Note that this pass destroys
7785 PROP_tmt_usage, and add TODO_update_tmt_usage.
7786 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7787 * tree-flow.h (updating_used_alone): Prototype.
7788 (recalculate_used_alone): Ditto.
7789 * passes.c (execute_todo): Add code to set updating_used_alone,
7790 and call recalculate.
7791 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7792 for clobber if used alone, and add assert to verify used_alone
7795 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7797 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7798 for non tls symbols added.
7799 (legitimize_address): Do nothing for PLUS expressions if one of the
7800 addends is a tls symbol reference.
7802 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7806 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7808 * Makefile.in (BOOTSTRAPPING): New.
7809 (quickstrap): New definition if BOOTSTRAPPING=yes.
7811 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7812 * configure.ac: Substitute all_selected_languages with the languages
7813 that were configured. For all the other variables except
7814 lang_specs_files, include all the languages in the tree.
7815 * configure: Regenerate.
7817 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7818 if there is one. Run the commands to run fixincludes in the same
7821 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7822 * doc/install.texi: Document exact conventions for searching target tools.
7823 Document --with-build-time-tools. Document toplevel bootstrap. Document
7824 something more about building an Ada cross-compiler. Don't list GNU Make
7825 requirements which affect all platforms.
7827 2006-02-19 Roger Sayle <roger@eyesopen.com>
7830 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7831 only equivalent if the have both the same mode and precision.
7833 2006-02-20 Ben Elliston <bje@au.ibm.com>
7835 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7837 2006-02-19 Roger Sayle <roger@eyesopen.com>
7838 Steven Bosscher <stevenb.gcc@gmail.com>
7840 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7841 constant pool references to identify stack mode constants.
7842 * rtlanal.c (constant_pool_constant_p): New predicate to check
7843 whether operand is a floating point constant in the pool.
7844 * rtl.h (constant_pool_constant_p): Prototype here.
7845 * loop.c (scan_loop): Avoid hoisting constants from the constant
7846 pool on STACK_REGS targets.
7847 (load_mems): Likewise.
7848 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7849 loads into x87 registers expensive in terms of register pressure.
7851 2006-02-19 Roger Sayle <roger@eyesopen.com>
7853 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7854 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7856 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7858 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7859 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7861 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7863 * doc/invoke.texi: Document -fipa-pta.
7864 * common.opt: Add ipa-pta option.
7865 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7866 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7867 (do_ds_constraint): Ditto.
7868 (get_constraint_for): Only add to referenced_vars if
7869 referenced_vars exists.
7870 (insert_into_field_list): Rewrite to do this unsorted.
7871 (insert_into_field_list_sorted): Rename old insert_into_field_list
7873 (create_function_info_for): Use insert_into_field_list_sorted.
7874 (create_variable_info_for): Rewrite so it uses unsorted version,
7875 since the field list is sorted.
7876 (intra_create_variable_infos): Only add to referenced_vars if
7877 referenced_vars exists.
7878 (ipa_pta_execute): Init heapvars, and delete when done.
7879 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7881 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7883 * doc/install.texi: Add missing `@samp'.
7885 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7887 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7890 2006-02-18 Mark Wielaard <mark@klomp.org>
7892 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7893 who added new 4.1 features, bug fixes and integration support.
7895 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7898 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7901 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7903 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7904 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7905 (copy_insn_1): Likewise. Don't copy each field individually.
7907 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7909 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7910 * rtl.c (rtx_size): Rename variable to...
7911 (rtx_code_size): ...this.
7912 (rtx_size): New function.
7913 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7914 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7916 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7917 * rtl.h (rtx_code_size): New variable.
7918 (rtx_size): Change from a variable to a function.
7919 (RTX_SIZE): Rename to...
7920 (RTX_CODE_SIZE): ...this.
7923 PR tree-optimization/17106
7924 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7925 (Anchored Addresses): New section.
7926 * doc/invoke.texi (-fsection-anchors): Document.
7927 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7928 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7929 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7930 * hooks.c (hook_bool_mode_rtx_false): New function.
7931 * hooks.h (hook_bool_mode_rtx_false): Declare.
7932 * gengtype.c (create_optional_field): New function.
7933 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7934 SYMBOL_REF_IN_BLOCK_P is true.
7935 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7936 (min_anchor_offset, max_anchor_offset): Likewise.
7937 (use_anchors_for_symbol_p): New hook.
7938 * toplev.c (compile_file): Call output_object_blocks.
7939 (target_supports_section_anchors_p): New function.
7940 (process_options): Check that -fsection-anchors is only used on
7941 targets that support it and when -funit-at-a-time is in effect.
7942 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7943 if the decl doesn't have one.
7944 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7945 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7946 of force_const_mem through use_anchored_address.
7947 (expand_expr_constant): New function.
7948 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7949 calling expand_expr for INDIRECT_REF.
7950 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7951 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7952 * expr.h (use_anchored_address): Declare.
7953 * loop-unroll.c: Don't declare rtx vectors here.
7954 * explow.c: Include output.h.
7955 (validize_mem): Call use_anchored_address.
7956 (use_anchored_address): New function.
7957 * common.opt (-fsection-anchors): New switch.
7958 * varasm.c (object_block_htab, anchor_labelno): New variables.
7959 (hash_section, object_block_entry_eq, object_block_entry_hash)
7960 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7961 (use_blocks_for_decl_p, change_symbol_section): New functions.
7962 (get_variable_section): New function, split out from assemble_variable.
7963 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7964 use_blocks_for_decl_p say so. Use change_symbol_section if the
7965 symbol has already been created.
7966 (assemble_variable_contents): New function, split out from...
7967 (assemble_variable): ...here. Don't output any code for
7968 block symbols; just pass them to place_block_symbol.
7969 Use get_variable_section and assemble_variable_contents.
7970 (get_constant_alignment, get_constant_section, get_constant_size): New
7971 functions, split from output_constant_def_contents.
7972 (build_constant_desc): Create a block symbol if use_object_blocks_p
7973 says so. Or into SYMBOL_REF_FLAGS.
7974 (assemble_constant_contents): New function, split from...
7975 (output_constant_def_contents): ...here. Don't output any code
7976 for block symbols; just pass them to place_section_symbol.
7977 Use get_constant_section and get_constant_alignment.
7978 (force_const_mem): Create a block symbol if use_object_blocks_p and
7979 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7980 (output_constant_pool_1): Add an explicit alignment argument.
7981 Don't switch sections here.
7982 (output_constant_pool): Adjust call to output_constant_pool_1.
7983 Switch sections here instead. Don't output anything for block symbols;
7984 just pass them to place_block_symbol.
7985 (init_varasm_once): Initialize object_block_htab.
7986 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7987 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7988 (place_block_symbol, get_section_anchor, output_object_block)
7989 (output_object_block_htab, output_object_blocks): New functions.
7990 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7991 (TARGET_ASM_OUT): Include it.
7992 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7993 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7994 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7995 (TARGET_INITIALIZER): Include them.
7996 * rtl.c (rtl_check_failed_block_symbol): New function.
7997 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7998 (block_symbol, object_block): New structures.
7999 (rtx_def): Add a block_symbol field to the union.
8000 (BLOCK_SYMBOL_CHECK): New macro.
8001 (rtl_check_failed_block_symbol): Declare.
8002 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8003 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8004 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8005 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8006 * output.h (output_section_symbols): Declare.
8007 (object_block): Name structure.
8008 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8009 (default_use_anchors_for_symbol_p): Declare.
8010 * Makefile.in (RTL_BASE_H): Add vec.h.
8011 (explow.o): Depend on output.h.
8012 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8013 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8014 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8015 (rs6000_use_blocks_for_constant_p): New function.
8017 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8019 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8021 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8024 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8027 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8029 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8033 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8036 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8037 instead of DECL_REGISTER.
8039 2006-02-18 Olivier Hainque <hainque@adacore.com>
8042 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8044 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8047 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8048 * opth-gen.awk: Handle Var and InverseMask together.
8049 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8050 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8051 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8052 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8054 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8055 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8056 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8057 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8058 LINUX_DYNAMIC_LINKER): Define.
8059 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8060 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8062 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8063 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8064 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8066 (TARGET_C99_FUNCTIONS): Don't define.
8067 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8068 GLIBC_DYNAMIC_LINKER.
8069 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8070 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8071 GLIBC_DYNAMIC_LINKER64): Define.
8072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8073 LINUX_DYNAMIC_LINKER64.
8074 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8076 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8078 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8080 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8081 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8082 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8084 and LINUX_DYNAMIC_LINKER32.
8085 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8087 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8089 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8091 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8092 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8093 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8094 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8095 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8096 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8097 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8098 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8099 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8100 LINUX_DYNAMIC_LINKER): Define.
8101 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8102 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8103 GLIBC_DYNAMIC_LINKER64): Define.
8104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8105 LINUX_DYNAMIC_LINKER64.
8106 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8107 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8108 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8109 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8110 LINUX_DYNAMIC_LINKER): Define.
8111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8112 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8113 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8114 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8115 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8116 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8117 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8118 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8119 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8120 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8121 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8122 * doc/invoke.texi (-muclibc): Remove caveat about supported
8125 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8127 * doc/cpp.texi (__TIMESTAMP__): Document.
8129 2006-02-17 Roger Sayle <roger@eyesopen.com>
8132 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8133 C is one less than the width of X (and related transformations).
8134 * simplify-rtx.c (simplify_unary_operation_1): Transform
8135 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8136 depending on STORE_FLAG_VALUE, were C is one less then the
8139 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8141 Fix PR tree-optimization/26341
8142 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8143 about NAME_MEMORY_TAG's.
8145 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8148 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8149 with hardware float support, and software float support. Add fcpy
8150 alternative to hardware patterns. Add alternatives to copy between
8151 general and floating-point registers to the 32-bit pattern.
8152 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8153 secondary reload to load a QI or HI mode constant into a floating
8155 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8156 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8158 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8161 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8163 (load_macho_picbase_di): Likewise.
8165 2006-02-16 Jeff Law <law@redhat.com>
8167 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8168 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8169 (ssa_name_nonzero_p): Likewise.
8170 (get_value_range): Return NULL if VRP is not running.
8171 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8172 VRP routines do not discover a range.
8173 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8174 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8175 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8176 (tree_expr_nonnegative_p): Similarly.
8177 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8178 (restore_nonzero_vars_to_original_value): Remove.
8179 (unsafe_associative_fp_binop): Remove.
8180 (tree_ssa_dominator_optimize): Remove initialization and
8181 finalization of nonzero_vars and nonzero_vars_stack.
8182 (dom_opt_initialize_block): No longer push marker on
8184 (dom_opt_finalize_block): No longer call
8185 restore_nonzero_vars_to_original_value.
8186 (record_equivalences_from_phis): No longer look for
8187 nonzero PHI arguments.
8188 (cprop_into_successor_phis): No longer propagate nonzero
8189 property into PHI arguments. Lose unused argument. Caller
8191 (record_equivalences_from_stmt): No longer record nonzero
8192 values for SSA_NAMEs.
8193 (lookup_avail_expr): No longer use nonzero_vars.
8195 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8196 for sizetype when sizetype is unsigned.
8198 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8200 PR rtl-optimization/25603
8201 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8202 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8203 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8204 with new meaning of SETS.
8206 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8211 * config/linux.opt: New file.
8212 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8213 LINUX_DYNAMIC_LINKER): Define.
8214 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8215 * config.gcc (*-*-linux*): Define extra_options.
8216 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8217 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8218 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8219 GLIBC_DYNAMIC_LINKER.
8220 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8221 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8222 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8224 * doc/invoke.texi (GNU/Linux Options): New section.
8226 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8228 * config/sparc/sparc.md (setjmp): Rewrite.
8229 (setjmp_32): Delete.
8230 (setjmp_64): Likewise.
8232 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8234 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8237 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8239 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8242 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8244 PR rtl-optimization/26296
8245 * Makefile.in (loop-invariant.c): Add except.h dependency.
8246 * loop-invariant.c: Include except.h.
8247 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8249 2005-02-16 Paul Brook <paul@codesourcery.com>
8251 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8254 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8256 PR rtl-optimization/25636
8257 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8258 when deciding whether an insn is an initializing insn.
8260 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8262 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8263 (tree_code_size): Ditto.
8264 * tree.h (struct tree_memory_tag): Remove parent_var.
8265 (struct tree_struct_field_tag): New.
8268 (union tree_node): Add sft member.
8269 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8271 (create_sft): Add size and offset argument, set SFT_OFFSET and
8273 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8274 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8275 * tree-flow-inline.h (get_subvar_at): Update for
8276 SFT_OFFSET/SFT_SIZE.
8277 (var_can_have_subvars): Ditto.
8278 (overlap_subvar): Ditto.
8279 * print-tree.c (print_node): Print out interesting things for
8281 * tree-flow.h (struct subvar): Remove offset and size members.
8282 * tree-ssa-operands.c (get_expr_operands): Update for
8283 get_indirect_ref_operands changes.
8284 (get_indirect_ref_operands): Call add_virtual_operand instead of
8285 add_stmt_operand. Only recurse on base var if requested.
8286 (access_can_touch_variable): New function.
8287 (add_stmt_operand): Split virtual operand handling into ...
8288 (add_virtual_operand): Here. Add offset, size, and for_clobber
8289 arguments. Prune alias sets.
8290 (add_call_clobber_ops): Call add_virtual_operand.
8292 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8295 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8297 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8298 than TREE_CODE as index into omp_clause_num_ops array.
8300 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8302 PR rtl-optimization/26184
8303 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8305 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8306 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8307 must_precede, must_follow and tobe_scheduled.
8310 * opts.c (common_handle_option): Free new_option pointer.
8311 * df-core.c (df_analyze): Free postorder pointer.
8313 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8315 * Makefile.in: Fix the examples about the use of stamps
8317 2006-02-15 Michael Matz <matz@suse.de>
8321 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8322 influenced by maximum_field_alignment or DECL_PACKED.
8323 (update_alignment_for_field): Ditto.
8324 (place_field): Ditto.
8325 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8328 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8330 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8331 (debug_flow_info): Pass it.
8332 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8333 * bb-reorder.c (reorder_basic_blocks): Likewise.
8334 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8335 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8336 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8337 * gcse.c (gcse_main, bypass_jumps): Likewise.
8338 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8339 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8340 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8341 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8342 * rtl.h (dump_flow_info): Adjust prototype.
8343 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8344 * var-tracking.c (variable_tracking_main): Likewise.
8345 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8346 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8349 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8351 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8354 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8356 PR tree-optimization/26209
8357 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8358 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8360 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8362 2006-02-14 Roger Sayle <roger@eyesopen.com>
8365 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8366 (X,Y) and the corresponding symmetry related transformations.
8367 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8368 (X,Y) and its symmetry related transformations.
8370 2006-02-14 Roger Sayle <roger@eyesopen.com>
8372 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8375 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8377 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8379 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8382 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8383 support COMDAT group.
8384 * configure: Regenerate.
8386 2006-02-14 Roger Sayle <roger@eyesopen.com>
8391 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8393 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8395 Fix PR tree-optimization/26260
8397 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8399 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8400 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8401 * tree-ssa-structalias.c (create_variable_info_for): Use
8402 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8404 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8406 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8408 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8409 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8410 of the ending condition.
8411 * tree-ssa-loop-manip.c: Include params.h.
8412 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8413 tree_unroll_loop): New functions.
8414 * tree-pass.h (pass_loop_prefetch): Declare.
8415 * loop.c (rest_of_handle_loop_optimize): Test for
8416 -fprefetch-loop-arrays-rtl.
8417 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8418 * timevar.def (TV_TREE_PREFETCH): New timevar.
8419 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8420 pass_loop_prefetch): New.
8421 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8422 (cleanup_tree_cfg_loop): Call scev_reset.
8423 * common.opt (fprefetch-loop-arrays-rtl): Add.
8424 * tree-ssa-loop-prefetch.c: New file.
8425 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8426 (new_temp_expr_table): Initialize expr_vars.
8427 (free_temp_expr_table): Cleanup expr_vars.
8428 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8429 expressions from being merged into one.
8430 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8431 (struct tree_niter_desc): Add control, bound and cmp fields.
8432 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8434 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8435 (tree-cfgcleanup.o): Add SCEV_H dependency.
8436 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8437 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8439 2006-02-14 Richard Guenther <rguenther@suse.de>
8441 PR tree-optimization/26258
8442 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8443 in PHI argument processing.
8445 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8447 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8448 new expression in the requested machine mode.
8450 2006-02-13 Roger Sayle <roger@eyesopen.com>
8452 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8453 directly, instead let do_compare_rtx_and_jump handle this for us.
8454 * expr.c (expand_expr_real_1): Likewise.
8455 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8456 before do_jump_by_parts_greater.
8457 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8458 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8460 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8462 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8464 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8466 PR rtl-optimization/26235
8467 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8468 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8471 2006-02-13 Jeff Law <law@redhat.com>
8473 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8476 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8479 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8480 twice if decl is a builtin. When trying again, call get_callee_fndecl
8481 first to verify it is still a builtin.
8483 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8485 * dwarf2out.c (base_type_die): Don't add AT_name here.
8486 (subrange_type_die): Don't add AT_name here.
8487 (modified_type_die): Rearrange code flow. Do add AT_name here.
8489 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8491 PR rtl-optimization/26247
8492 PR rtl-optimization/26248
8493 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8495 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8497 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8498 * config/fixtfdi.c: Likewise.
8499 * config/fixunstfdi.c: Likewise.
8500 * config/floatditf.c: Likewise.
8502 2006-02-13 Roger Sayle <roger@eyesopen.com>
8505 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8506 into (X,C2) if C1 is a subset of the bits of C2. Transform
8507 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8509 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8511 2006-02-13 Josh Conner <jconner@apple.com>
8514 * varasm.c (function_section): Check for section name before
8515 calling select_section on targets that define
8516 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8517 unlikely_text_section instead of hot_function_section if
8518 first_function_block_is_cold.
8520 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8523 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8525 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8527 PR rtl-optimization/26222
8528 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8529 after tree->rtl expansion.
8530 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8531 before passing it to emit_move_insn.
8533 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8535 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8537 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8538 Clarify documentation.
8539 * c-common.h (warn_write_strings): Remove.
8540 * c-common.c (warn_write_strings): Likewise.
8541 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8544 2006-02-12 Roger Sayle <roger@eyesopen.com>
8547 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8548 (do_jump_parts_zero_rtx): New function renamed from
8549 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8550 (do_jump_parts_equality_rtx): New function split out from
8551 do_jump_parts_equality. Old implementation renamed as above.
8552 Call do_jump_parts_zero_rtx if either operand is zero.
8553 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8554 do all of the heavy lifting.
8555 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8556 calling either do_jump_by_parts_greater_rtx or
8557 do_jump_by_parts_equality_rtx.
8558 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8559 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8560 moved to do_compare_rtx_and_jump, call it directly.
8561 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8562 mode argument. Call do_compare_rtx_and_jump.
8563 (emit_case_nodes): Update calls to do_jump_if_equal.
8565 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8567 PR rtl-optimization/26225
8568 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8570 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8572 PR rtl-optimization/26232
8573 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8575 2006-02-11 Jason Merrill <jason@redhat.com>
8578 * tree-inline.c (declare_return_variable): Just don't use the
8579 modify target if it's a gimple complex reg and the return slot
8582 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8584 * doc/contrib.texi: Update my entry.
8586 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8588 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8590 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8592 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8595 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8597 * doc/invoke.texi (-floop-optimize2): Removed.
8598 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8599 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8600 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8601 * common.opt (floop-optimize2): Removed.
8602 (fmove-loop-invariants): Enabled by default.
8604 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8606 * tree-if-conv.c (combine_blocks): Free the result of
8607 get_loop_exit_edges.
8609 2006-02-10 Jeff Law <law@redhat.com>
8611 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8613 PR tree-optimization/26213
8614 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8615 loop trying to follow SSA_NAME_VALUE chains.
8617 2006-02-10 Richard Guenther <rguenther@suse.de>
8619 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8620 deal with structures that end in implicitly variable sized arrays.
8622 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8624 PR rtl-optimization/24762
8625 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8628 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8630 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8631 (struct ivopts_data): Add regs_used field.
8632 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8633 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8634 instead of loop_data->regs_used;
8635 (free_loop_data): Do not free aux fields for loops.
8636 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8637 and tree_ssa_iv_optimize_finalize.
8639 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8641 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8643 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8646 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8647 computing the effective result type.
8649 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8652 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8653 (tree_overlaps_hard_reg_set): Declare.
8654 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8655 type and signature to match function type expected by walk_tree.
8656 (tree_overlaps_hard_reg_set): New function.
8657 (decl_conflicts_with_clobbers_p): Rename to:
8658 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8659 Use tree_overlaps_hard_reg_set. Changed caller.
8660 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8661 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8662 * cris.c (cris_md_asm_clobbers): Likewise.
8664 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8666 * reload1.c (emit_input_reload_insns): Delete code that tries to
8667 inherit using find_equiv_reg.
8669 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8671 * c-common.h (flag_const_strings): Don't declare.
8672 * c-common.c (flag_const_strings): Remove.
8673 * c.opt (fconst_strings): Remove.
8674 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8675 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8676 (c_common_init_options): Don't set flag_const_strings.
8677 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8679 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8681 * arm.md (tlobits_cbranch): New pattern.
8682 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8683 testing a single bit.
8685 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8688 * tree-ssa-pre.c (create_component_ref_by_pieces):
8689 Handle RETURN_DECL like VAR_DECL.
8691 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8694 * fold-const.c (fold_indirect_ref_1): Fold
8695 "*(foo *)&complexfoo" to "__real__ complexfoo"
8696 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8698 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8700 * tree-flow-inline.h (var_can_have_subvars):
8701 Volatile variables should not have subvariables.
8703 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8706 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8707 multiplying unsigned values.
8710 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8712 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8714 2006-02-08 Jason Merrill <jason@redhat.com>
8717 * tree.def: Elaborate on difference from MODIFY_EXPR.
8718 * doc/c-tree.texi (INIT_EXPR): Likewise.
8719 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8720 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8721 (gimplify_target_expr): Likewise.
8722 (gimplify_cond_expr): Remove target handling.
8723 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8724 (gimplify_expr): Clobber it here.
8725 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8726 Do return slot optimization if we have an INIT_EXPR.
8729 * tree-inline.c (declare_return_variable): Also clear
8730 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8733 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8736 * gimplify.c (gimplify_one_sizepos): Fix typo.
8738 2006-02-08 Jeff Law <law@redhat.com>
8740 PR tree-optimization/21417
8741 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8742 across a backedge if the control statement at the end of the
8743 block is data dependent on other statements in the same block.
8744 (record_temporary_equivalences_from_stmts): Remove over-conservative
8745 test for threading across backedges.
8747 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8748 control statement, handle all three special cases in the same
8749 manner as they all have the same desired solution. No longer
8750 special case edge flag updating when the post dominator is
8753 2006-02-08 Roger Sayle <roger@eyesopen.com>
8755 * tree.def (CHAR_TYPE): Remove.
8756 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8757 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8758 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8759 (gen_string_type_die): Delete unreachable function.
8761 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8762 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8763 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8764 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8765 * builtins.c (type_to_class): Likewise.
8766 * fold-const.c (fold_convert, build_range_check,
8767 merge_ranges): Likewise.
8768 * expr.c (count_type_elements): Likewise.
8769 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8770 * stor-layout.c (layout_type): Likewise.
8771 * ipa-type-escape.c (type_to_consider): Likewise.
8772 * gimplify.c (omp_firstprivatize_type_sizes,
8773 gimplify_type_sizes): Likewise.
8774 * explow.c (promote_mode): Likewise.
8775 * tree-sra.c (is_sra_scalar_type): Likewise.
8776 * varasm.c (output_constant): Likewise.
8777 * tree-inline.c (remap_type_1): Likewise.
8778 * convert.c (convert_to_pointer, convert_to_real,
8779 convert_to_integer, convert_to_complex): Likewise.
8781 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8783 * df-scan.c (df_def_record_1): A set destination may
8784 be a parallel regardless of mode.
8786 2006-02-08 Roger Sayle <roger@eyesopen.com>
8789 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8790 * config/mips/_tilib.c: Remove.
8791 * config/fixtfdi.c: New libgcc source file.
8792 * config/fixunstfdi.c: New source file.
8793 * config/floatditf.c: New source file.
8794 * config/floatunditf.c: New souce file.
8795 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8796 files above instead of config/mips/_tilib.c.
8797 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8799 2006-02-08 Jeff Law <law@redhat.com>
8801 PR tree-optimization/26169
8802 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8805 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8807 * df.h (DF_REG_SIZE): Return the length of the initialized
8810 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8812 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8813 __muldf3): Return a correctly signed zero.
8815 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8817 * passes.c (register_one_dump_file): Accept the current properties
8818 instead of pass number. Adjust call to dump_register. Remove
8820 (register_dump_files): Now a wrapper around...
8821 (register_dump_files_1): ... this one. Do not modify the pass
8823 (next_pass_1): Cosmetic fix.
8824 (execute_todo): Keep second parameter only. Use curr_properties
8825 instead of fetching it from the pass structure. Check and set
8827 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8828 instead of fetching it from the pass structure. Fix calls to
8829 execute_todo. Update curr_properties and initialize .vcg RTL dump
8830 after running the pass. Reset last_verified.
8831 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8833 (FIRST_AUTO_NUMBERED_DUMP): New.
8834 (dump_register): Remove "num" parameter, assign it within the
8836 (get_dump_file_name): Modify template for dumps.
8837 * tree-dump.h (dump_register): Adjust prototype.
8838 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8839 (PROP_trees): Add PROP_gimple_lomp.
8840 (TODO_set_props): New.
8841 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8842 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8843 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8845 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8847 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8848 (sparc64-*-linux*): Likewise.
8849 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8850 * config/sparc/t-linux: New file.
8851 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8852 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8853 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8854 -m32 -mlong-double-128.
8856 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8857 * config/alpha/t-linux: New file.
8858 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8860 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8861 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8862 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8863 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8864 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8865 (CPP_ARCH32_SPEC): Remove.
8867 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8869 PR tree-optimization/26145
8870 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8873 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8876 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8877 >= 240000 when generating code for SOM runtime.
8878 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8879 to $$dyncall when generating code for SOM runtime..
8881 2006-02-07 Dirk Mueller <dmueller@suse.com>
8884 * doc/invoke.texi (-Wsequence-point): Update documentation
8885 that -Wsequence-point is implemented for C++ as well.
8887 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8889 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8890 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8891 (LIB_SPEC): Likewise.
8892 * doc/invoke.texi (SPARC options): Document -pthread.
8894 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8896 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8899 2006-02-07 Roger Sayle <roger@eyesopen.com>
8901 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8902 Correct comment describing BOOLEAN_TYPE.
8904 2006-02-07 Dirk Mueller <dmueller@suse.com>
8906 * c.opt: C++ frontend supports -Wdiv-by-zero.
8907 * c-opts.c (c_common_handle_option): Remove dead case.
8909 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8911 * configure.ac (TLS assembler check): Do not enable TLS by
8912 default on SPARC/Solaris before version 10.
8913 * configure: Regenerate.
8915 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8917 * doc/invoke.texi (xl-compat): Document conversion and support
8920 2006-02-07 Jeff Law <law@redhat.com>
8922 * tree-vrp.c (find_conditional_asserts): Update comments.
8923 (simplify_stmt_for_jump_threading): New.
8924 (identify_jump_threads, finalize_jump_threads): New.
8925 (vrp_finalize): Call identify_jump_threads.
8926 (execute_vrp): Call finalize_jump_threads.
8927 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8928 (vrp_element, vrp_data, vrp_element_p): Remove.
8929 (vrp_hash_elt, vrp_variables_stack): Remove.
8930 (vrp_hash, vrp_eq, record_range): Remove.
8931 (simplify_cond_and_lookup_avail_expr): Remove.
8932 (extract_range_from_cond): Remove.
8933 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8934 (simplify_stmt_for_jump_threading): New.
8935 (dom_thread_across_edge): New wrapper.
8936 (tree_ssa_dominator_optimize): No longer initialize or
8937 finalize any of the VRP datastructures. Remove iteration
8938 step and simplify as a result of removal of iteration step.
8939 (pass_dominator): Perform a cfg cleanup after DOM.
8940 (dom_opt_finalize_block): Use the new common routines
8941 for threading jumps. Simplify stack management slightly.
8942 No longer need to unwind VRP state.
8943 (record_equivalences_from_incoming_edge): No longer record
8945 (eliminate_redundant_computations): No longer call
8946 simplify_cond_and_lookup_avail_expr.
8947 * tree-flow.h (potentially_threadable_block): Prototype.
8948 (thread_across_edge): Likewise.
8949 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8950 (tree-ssa-threadedge.o): Add dependencies.
8951 * tree-ssa-threadedge.c: New file.
8952 * passes.c (init_optimization_passes): Merge PHIs before
8953 calling VRP. Run VRP again late in the SSA optimization pipeline.
8955 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8957 * df-core.c (df_set_blocks): Do not dereference function pointers.
8958 (df_finish1): Likewise.
8959 (df_hybrid_search_forward): Likewise.
8960 (df_hybrid_search_backward): Likewise.
8961 (df_iterative_dataflow): Likewise.
8962 (df_analyze_problem): Likewise.
8963 (df_compact_blocks): Likewise.
8964 (df_dump): Likewise.
8965 * df-scan.c (df_rescan_blocks): Likewise.
8966 (df_record_entry_block_defs): Likewise.
8968 * genconditions.c (write_conditions): Guard the definition of
8969 'insn_conditions' with the check on GCC version.
8970 (write_writer): Guard the traversal 'insn_conditions' with
8971 the check on GCC version.
8973 2006-02-07 Richard Guenther <rguenther@suse.de>
8977 2006-01-30 Richard Guenther <rguenther@suse.de>
8979 * gimplify.c (gimplify_target_expr): Handle easy cases
8980 without creating a temporary.
8982 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8984 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8985 use of float in probability computations. Use edge probabilities
8986 in place of statically computed probabilities.
8987 (min_spec_prob): New static variable.
8988 (schedule_insns): Initialize it.
8989 (GET_SRC_PROB): Removed.
8990 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8992 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8995 * config/ia64/unwind-ia64.c: Revert last change.
8996 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8997 (INCOMING_FRAME_SP_OFFSET): Define.
8999 2006-02-06 Roger Sayle <roger@eyesopen.com>
9001 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9003 2006-02-07 Ben Elliston <bje@au.ibm.com>
9005 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9006 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9007 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9008 (ix86_return_in_memory): Handle TDmode.
9009 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9010 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9012 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9014 * reorg.c (dbr_schedule): Use dump_file instead of file.
9016 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9019 * config/ia64/predicates.md (extr_len_operand): New predicate.
9020 * config/ia64/ia64.md (extv): Tighten constraints.
9022 (*tbit_and_2): Ditto.
9023 (*tbit_and_3): Ditto.
9024 (*tbit_or_2): Ditto.
9025 (*tbit_or_3): Ditto.
9029 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9032 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9034 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9036 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9037 loop_optimizer_init and loop_optimizer_finalize
9038 * tree-ssa-sink.c (execute_sink_code): Ditto.
9039 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9040 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9041 tree_ssa_loop_done): Ditto.
9042 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9043 * sched-ebb.c: Include output.h.
9044 (schedule_ebbs): Do not use dump argument.
9045 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9046 * loop.c (loop_dump_stream): Removed.
9047 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9049 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9050 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9051 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9052 loop_iterations, strength_reduce, record_biv, record_giv,
9053 final_giv_value, check_final_value, check_ext_dependent_givs,
9054 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9055 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9056 dump_file instead of loop_dump_stream.
9057 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9059 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9061 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9062 * haifa-sched.c: Include output.h
9063 (schedule_insns, sched_init): Do not use dump argument.
9064 * mode-switching.c (optimize_mode_switching): Ditto.
9065 * modulo-sched.c (stats_file): Removed.
9066 (print_node_sched_params): Do not call argument dump_file.
9067 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9068 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9070 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9072 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9073 rtl_loop_init, rtl_loop_done): Ditto.
9074 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9075 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9077 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9078 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9079 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9080 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9081 * emit-rtl.c (renumber_insns): Ditto.
9082 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9083 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9084 * regclass.c (regclass): Ditto.
9085 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9086 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9087 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9088 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9090 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9091 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9093 * gcse.c (gcse_file, debug_stderr): Removed.
9094 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9095 rest_of_handle_gcse): Do not use dump argument.
9096 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9097 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9098 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9099 compute_code_hoist_vbeinout, compute_code_hoist_data,
9100 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9101 compute_store_table, build_store_vectors, insert_insn_start_bb,
9102 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9103 store_motion): Use dump_file instead of gcse_file.
9104 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9105 * profile.c (profile_dump_file): Removed.
9106 (branch_prob): Use dump_file instead of profile_dump_file.
9107 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9109 * tree-ssa-copy.c (dump_copy_of): Ditto.
9110 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9111 dump file to life_analysis.
9112 * bt-load.c (branch_target_load_optimize): Ditto.
9113 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9115 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9116 regclass, dbr_schedule): Declaration changed.
9117 * sched-int.h (sched_init): Declaration changed.
9118 * tree-profile.c (tree_profile_dump_file): Removed.
9119 (tree_profile_hooks): Removed profile_dump_file hook.
9120 * rtl-profile (rtl_profile_dump_file): Removed.
9121 (rtl_profile_hooks): emoved profile_dump_file hook.
9122 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9124 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9125 * tree-cfg.c (build_tree_cfg): Ditto.
9126 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9127 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9128 Declaration changed.
9129 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9130 life_analysis and schedule_insns.
9131 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9133 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9135 * config/mips/mips.c (mips_reorg): Ditto.
9136 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9139 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9141 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9142 (s390_mangle_fundamental_type): New.
9143 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9146 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9147 (alpha_mangle_fundamental_type): New.
9148 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9151 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9153 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9155 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9156 (sparc_mangle_fundamental_type): New.
9158 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9160 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9161 (s390x-*-linux*): Likewise.
9162 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9163 * config/s390/t-linux: New file.
9165 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9167 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9168 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9170 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9172 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9173 (ANTIC_SAFE_LOADS): New macro.
9174 (find_or_generate_expression): Add prototype.
9175 (set_contains_value): Allow null set for sake of not always having
9176 to allocate ANTIC_SAFE_LOADS.
9177 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9178 Allow COMPONENT_REF too.
9179 (valid_in_set): Allow COMPONENT_REF.
9180 Check ANTIC_SAFE_LOADS too.
9181 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9182 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9184 (can_PRE_operation): Add COMPONENT_REF.
9185 (create_component_ref_by_pieces): New function.
9186 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9187 (insert_aux): Move AGGREGATE_TYPE_P check here.
9188 (compute_avail): Set bb local stmt uids.
9189 (pass_pre): Use TODO_update_ssa_only_virtuals.
9191 2006-02-06 Ben Elliston <bje@au.ibm.com>
9193 * configure.ac: Unconditionally disable decimal float by default.
9194 * configure: Regenerate.
9196 2006-02-06 Ben Elliston <bje@au.ibm.com>
9198 * read-rtl.c (read_name): Terminate reading on EOF.
9200 2006-02-06 Ben Elliston <bje@au.ibm.com>
9202 * dfp.c (decimal_real_arithmetic): Change second argument type
9203 from int to enum tree_code. Do not always return true, but now
9204 return result of any call to decimal_do helper functions.
9205 * dfp.h (decimal_real_arithmetic): Update prototype.
9207 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9209 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9211 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9214 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9217 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9219 * tree-vrp.c (cfg_loops): Removed.
9220 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9221 Use current_loops instead of cfg_loops. Pass flags to
9222 loop_optimizer_init.
9223 * cfgloopmanip.c (fix_loop_structure): Update only available
9225 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9226 loop_optimizer_init.
9227 * modulo-sched.c (build_loops_structure): Removed.
9228 (sms_schedule): Use loop_optimizer_init.
9229 * loop-init.c (loop_optimizer_init): Use flags to determine
9230 which properties of loops to prepare.
9231 (rtl_loop_init): Pass flags to loop_optimizer_init.
9232 * tree-ssa-sink.c (execute_sink_code): Ditto.
9233 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9234 * tree-ssa-pre.c (init_pre): Ditto.
9235 * cfgloop.h (LOOPS_NORMAL): New.
9236 (loop_optimizer_init): Declaration changed.
9238 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9240 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9241 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9243 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9245 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9247 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9248 * pa/t-pa64: Delete quadlib.c rule.
9249 * pa/x-ada: Revert last change.
9250 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9252 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9254 PR rtl-optimization/26087
9255 * rtlanal.c (canonicalize_condition): Do not cross basic block
9258 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9261 * config/ia64/ia64.c: Include debug.h.
9262 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9263 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9264 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9265 (process_epilogue, process_set, process_for_unwind_directive):
9266 Output unwind info only if requested. Add CFA info if requested.
9267 Add new arguments as needed. Adjust callers.
9268 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9270 (DWARF2_FRAME_INFO): Define to zero.
9271 * config/ia64/unwind-ia64.c: Remove code that compensated for
9272 the CFA offset error fixed above.
9273 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9274 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9275 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9276 -funwind-tables and -fexceptions to enable frame info.
9277 (dwarf2out_frame_init): Define initial CFA even if
9278 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9279 DWARF2_UNWIND_INFO is nonzero, not just defined.
9280 (dwarf2out_frame_finish): Output non-EH call frame info only
9281 if DWARF2_FRAME_INFO is nonzero.
9282 (convert_cfa_to_loc_list,
9283 compute_frame_pointer_to_cfa_displacement): Define even if
9284 unwind info is not supported.
9285 (gen_subprogram_die): Use the above unconditionally. Remove
9286 legacy alternate code.
9287 * toplev.c (compile_file): Compile in call to
9288 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9289 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9291 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9292 Jakub Jelinek <jakub@redhat.com>
9294 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9295 IBM extended float format long double as "g" on powerpc*-linux.
9297 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9300 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9301 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9303 2006-02-03 Jason Merrill <jason@redhat.com>
9306 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9309 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9310 on the return slot if it's an NRV.
9312 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9314 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9315 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9316 rewrite_use): Do not handle USE_OUTER.
9317 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9318 add_iv_outer_candidates, may_replace_final_value,
9319 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9320 (find_interesting_uses_op): Functionality of
9321 find_interesting_uses_outer_or_nonlin moved here.
9322 (find_interesting_uses_outside): Use find_interesting_uses_op.
9324 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9327 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9329 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9330 Ulrich Weigand <uweigand@de.ibm.com>
9333 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9334 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9335 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9336 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9338 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9339 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9340 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9341 Define secondary reloads for TFmode moves.
9342 (constant_modes): Add TFmode.
9343 (NR_C_MODES): Set to 8.
9344 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9346 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9347 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9348 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9349 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9350 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9351 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9352 (FPR mode macro): Add TFmode.
9353 (DSF mode macro): New.
9354 (<de>, <dee> mode attributes): Removed.
9355 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9356 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9357 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9358 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9359 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9360 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9361 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9362 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9363 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9364 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9365 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9366 "*negabs<mode>2", "sqrt<mode>2"):
9367 Changed <de> to <xde>. R constraint replaced by <Rf>.
9368 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9370 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9371 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9372 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9374 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9375 "extenddftf2", "extendsftf2"): New expanders.
9376 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9377 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9378 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9379 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9381 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9382 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9383 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9384 __floatditf): Add a GCC_4.1.0 symbol version tag.
9385 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9388 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9391 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9392 Use targetm.binds_local_p instead of TREE_PUBLIC.
9394 2006-02-02 Roger Sayle <roger@eyesopen.com>
9396 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9397 on INTEGER_TYPEs to indicate that it denotes a character type.
9398 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9399 signed_char_type_node, unsigned_char_type_node and char_type_node.
9400 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9401 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9402 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9404 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9405 Daniel Berlin <dberlin@dberlin.org>
9407 * tree-tailcall.c (arg_needs_copy_p): New function.
9408 (eliminate_tail_call): Use arg_needs_copy_p.
9409 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9410 (add_virtual_phis): New function.
9412 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9414 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9415 #ignore instead of #scratch for %g7 .register directive.
9417 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9419 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9422 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9424 * flow.c (calculate_global_regs_live): Assert that there aren't any
9427 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9429 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9431 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9432 bsi_after_labels iterator.
9433 * tree-if-conv.c (find_phi_replacement_condition,
9434 replace_phi_with_cond_modify_expr): Likewise.
9435 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9436 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9438 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9440 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9442 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9445 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9446 array after growing it.
9448 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9451 * fold-const.c (fold_checksum_tree): Change type of buf.
9453 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9455 * reload.c (push_secondary_reload): Initialize t_icode.
9457 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9459 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9460 -msoft-float -mlong-double-128 only issue a warning, but don't
9461 swich to DFmode long double.
9463 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9465 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9466 has a constant equivalent, iterate over equivalents for arg0,
9467 calling simplify_relational_operation and if there's a result
9468 cheaper than X, apply fold_rtx and return the result.
9470 2006-02-01 Jan Hubicka <jh@suse.cz>
9472 * opts.c (no_unit_at_a_time_default): New global variable.
9473 (decode_options): Use it.
9474 * opts.h (no_unit_at_a_time_default): Declare.
9476 2006-02-01 Paul Brook <paul@codesourcery.com>
9478 * function.c (assign_parm_setup_reg): Use function argument promotion
9480 * expr.c (expand_expr_real_1): Use function argument promotion rules
9483 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9485 * gcc.c (process_command): Change j to 'unsigned int'.
9487 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9490 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9491 Use the corrected index for the character
9492 out of the string constant.
9494 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9496 * mode-switching.c (optimize_mode_switching): Fix size
9497 allocated for bb_info[n_entities].
9499 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9501 * gcc.c (main): Correct type that is allocated for
9502 explicit_link_files.
9504 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9506 * config/s390/s390.c (init_alignment_context): Set
9507 ALIAS_SET_MEMORY_BARRIER on the MEM.
9508 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9510 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9513 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9515 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9518 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9520 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9521 * regrename.c: Ditto.
9522 * tree-ssa-loop-im.c: Ditto.
9523 * tree-dump.c: Ditto.
9524 * tree-complex.c: Ditto.
9525 * genrecog.c: Ditto.
9526 * tree-ssa-threadupdate.c: Ditto.
9528 * java/class.c: Ditto.
9529 * java/jcf-parse.c: Ditto.
9530 * java/resource.c: Ditto.
9531 * java/except.c: Ditto.
9532 * java/jvspec.c: Ditto.
9533 * java/jcf-write.c: Ditto.
9534 * java/jcf-path.c: Ditto.
9535 * java/gjavah.c: Ditto.
9536 * java/zextract.c: Ditto.
9537 * java/jcf-io.c: Ditto.
9538 * java/jcf.h: Ditto.
9539 * java/buffer.c: Ditto.
9540 * java/lang.c: Ditto.
9541 * java/parse-scan.y: Ditto.
9542 * java/lex.c: Ditto.
9543 * java/lex.h: Ditto.
9544 * cfgloopmanip.c: Ditto.
9545 * postreload-gcse.c: Ditto.
9546 * tree-ssa-loop-manip.c: Ditto.
9547 * postreload.c: Ditto.
9548 * tree-ssa-loop-ch.c: Ditto.
9552 * diagnostic.c: Ditto.
9554 * genoutput.c: Ditto.
9556 * cfghooks.c: Ditto.
9557 * cfgloopanal.c: Ditto.
9558 * objc/objc-act.c: Ditto.
9560 * genextract.c: Ditto.
9561 * genautomata.c: Ditto.
9562 * pretty-print.c: Ditto.
9564 * cgraphunit.c: Ditto.
9567 * haifa-sched.c: Ditto.
9568 * dominance.c: Ditto.
9570 * tree-ssa-loop-ivopts.c: Ditto.
9572 * mode-switching.c: Ditto.
9573 * modulo-sched.c: Ditto.
9575 * ipa-pure-const.c: Ditto.
9577 * fix-header.c: Ditto.
9579 * tree-stdarg.c: Ditto.
9580 * ipa-utils.c: Ditto.
9581 * loop-init.c: Ditto.
9582 * ipa-inline.c: Ditto.
9585 * alloc-pool.c: Ditto.
9586 * dwarf2out.c: Ditto.
9588 * genattrtab.c: Ditto.
9589 * tree-ssa-loop-ivcanon.c: Ditto.
9593 * fortran/gfortranspec.c: Ditto.
9595 * local-alloc.c: Ditto.
9596 * langhooks.c: Ditto.
9597 * function.c: Ditto.
9598 * tree-vectorizer.c: Ditto.
9600 * ipa-type-escape.c: Ditto.
9602 * tree-if-conv.c: Ditto.
9605 * tree-data-ref.c: Ditto.
9606 * loop-unroll.c: Ditto.
9607 * treelang/treetree.c: Ditto.
9610 * ggc-common.c: Ditto.
9612 * coverage.c: Ditto.
9614 * tree-cfgcleanup.c: Ditto.
9615 * tree-ssa-pre.c: Ditto.
9616 * cfgcleanup.c: Ditto.
9617 * loop-invariant.c: Ditto.
9619 * ipa-prop.c: Ditto.
9620 * print-tree.c: Ditto.
9621 * conflict.c: Ditto.
9622 * ggc-page.c: Ditto.
9623 * sched-deps.c: Ditto.
9624 * regclass.c: Ditto.
9625 * tree-object-size.c: Ditto.
9627 * bb-reorder.c: Ditto.
9628 * resource.c: Ditto.
9629 * var-tracking.c: Ditto.
9631 * df-problems.c: Ditto.
9632 * reg-stack.c: Ditto.
9635 * sched-rgn.c: Ditto.
9636 * tree-ssa-structalias.c: Ditto.
9637 * tree-ssa-reassoc.c: Ditto.
9638 * config/darwin-c.c: Ditto.
9639 * config/darwin.c: Ditto.
9640 * config/arm/arm.c: Ditto.
9642 * collect2.c: Ditto.
9645 2006-01-31 Nicolas Pitre <nico@cam.org>
9647 * arm.md (smaxsi3): Make aware of smax_m1.
9650 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9652 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9654 2006-01-31 Richard Guenther <rguenther@suse.de>
9656 * doc/invoke.texi (-msselibm): Document.
9657 * target.h (expand_library_builtin): New target hook.
9658 * builtins.c (expand_builtin): Use expand_library_builtin.
9659 (default_expand_library_builtin): New function.
9660 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9661 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9662 (link_gcc_math_spec): Declare.
9663 (static_specs): Add link_gcc_math_spec.
9664 * expr.h (default_expand_library_builtin): Declare.
9665 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9666 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9667 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9668 * config/i386/i386.opt (msselibm): New target option.
9669 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9670 (ix86_init_sse_abi_builtins): New function.
9671 (ix86_expand_library_builtin): Likewise.
9672 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9673 (override_options): Handle error conditions wrt -msselibm.
9674 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9675 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9676 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9679 2006-01-31 Richard Guenther <rguenther@suse.de>
9680 Paolo Bonzini <bonzini@gnu.org>
9682 * doc/install.texi (--disable-libgcc-math): Document.
9684 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9686 * expr.h (expand_normal): new inline function.
9687 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9689 * dwarf2out.c: use it.
9694 * config/sparc/sparc.c: use it.
9695 * config/i386/i386.c: use it.
9696 * config/rs6000/rs6000.c: use it.
9697 * config/arm/arm.c: use it.
9698 * config/mips/mips.c: use it.
9699 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9701 2006-01-30 Roger Sayle <roger@eyesopen.com>
9703 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9704 argv to the appropriate type.
9706 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9708 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9711 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9714 * config/s390/s390.c (struct machine_function): New flag
9715 decomposed_literal_pool_addresses_ok_p.
9716 (s390_reorg): Set it before final stage of literal pool transforms.
9717 (s390_decompose_address): Only accept displacements of the form
9718 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9720 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9722 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9723 the comparison routine return.
9725 2006-01-30 Michael Matz <matz@suse.de>
9727 * global.c (find_reg): Only evict for global regs.
9728 Take n_refs into account and dump more info.
9730 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9733 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9734 (pragma_trap, pragma_nosave_low_regs): Likewise.
9735 (current_function_anonymous_args): Likewise.
9736 (sh_deferred_function_attributes): New variable.
9737 (sh_deferred_function_attributes_tail): Likewise.
9738 (print_operand): For '@', look up trap_exit attribute.
9739 (calc_live_regs): Look up trapa_handler attribute. For trapa
9740 handlers, save/restore fpscr, but don't do any other
9741 interrupt-specific saves.
9742 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9743 Fix check for partially saved registers to check for SHmedia.
9744 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9745 (sh_output_function_epilogue): Don't clear any of the removed
9747 (sh_insert_attributes): Don't check pragma_interrupt.
9748 Insert deferred attributes. Check that interrupt attribute is
9749 present for other attributes that require its presence.
9750 (sh_attribute_table): Add new attributes trapa_handler and
9752 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9753 Don't check for pragma_interrupt. Don't store argument.
9754 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9755 (sh_deferred_function_attributes): Declare.
9756 (sh_deferred_function_attributes_tail): Likewise.
9757 * sh.md (sp_switch_1): Add operand. Change generator caller.
9758 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9759 (*return_i): Don't use when trap_exit attribute is in effect.
9760 (*return_trapa): New insn pattern.
9762 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9763 setting c_target_objs and cxx_target_objs.
9764 * t-sh: Add rule for sh-c.o.
9766 2006-01-30 Richard Guenther <rguenther@suse.de>
9769 * gimplify.c (gimplify_target_expr): Handle easy cases
9770 without creating a temporary.
9772 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9774 * vec.h (safe_grow): Remove duplicated line.
9776 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9779 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9780 (expand_omp): ... here.
9781 (expand_omp_parallel): Only remove barriers for combined
9782 parallel+workshare constructs.
9784 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9788 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9789 * tree.c (build_qualified_type): Chain the new type to the original
9790 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9791 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9792 (build_pointer_type_for_mode): Only return unqualified types.
9793 (build_reference_type_for_mode): Likewise.
9795 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9797 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9798 * Makefile.in (CXX_COMPAT_WARN): Define.
9799 * configure: Regenerate.
9801 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9804 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9807 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9809 * toplev.c: Fix thinko.
9811 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9812 Marcin Dalecki <martin@dalecki.de>
9814 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9815 (push_srcloc): Use XNEW.
9816 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9818 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9820 * df-core.c (df_set_blocks): Deleted all variable.
9822 2006-01-28 Ian Lance Taylor <ian@airs.com>
9824 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9825 cgraph_output_pending_asms.
9827 2006-01-28 Zack Weinberg <zackw@panix.com>
9829 * c.opt: Add -W(no-)overlength-strings.
9830 * doc/invoke.texi: Document it.
9831 * c-opts.c (c_common_handle_option): -pedantic implies
9832 -Woverlength-strings, if not explicitly disabled already.
9833 (c_common_post_options): -Woverlength-strings defaults to off, and
9834 is always off for C++.
9835 * c-common.c (fix_string_type): Issue warning about strings longer
9836 than is portable only if warn_overlength_strings. Rearrange code
9837 a little for clarity.
9838 * configure.in: Check for -Wno-overlength-strings as well before
9839 enabling -pedantic in stage 1.
9840 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9841 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9843 * genconditions.c (write_header, write_one_condition)
9844 (write_conditions, write_writer): Consolidate very long strings
9845 that were broken up to fit in C89 portable limit. Don't use
9846 printf when fputs will do.
9848 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9850 * combine.c (simplify_comparison <AND>): Check
9851 TRULY_NOOP_TRUNCATION before start using a subreg.
9853 * config/mips/mips.md (*branch_zero<mode>,
9854 *branch_zero<mode>_inverted, *branch_equality<mode>,
9855 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9856 Remove mode check from comparisons.
9858 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9860 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9862 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9864 * expmed.c (const_mult_add_overflow_p): Remove.
9865 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9867 * recog.c (validate_replace_rtx_subexp): Remove.
9868 * recog.h: Remove the prototype for
9869 validate_replace_rtx_subexp.
9871 * integrate.h: Remove the prototype for
9872 copy_decl_for_inlining.
9873 * rtl.h: Remove the prototype for mark_constant_function.
9874 * tree-vectorizer.h: Remove the prototype for
9875 vect_strip_conversion.
9877 * modulo-sched.c (create_partial_schedule,
9878 free_partial_schedule, reset_partial_schedule): Make them
9881 * hooks.c (hook_bool_rtx_int_false): Remove.
9882 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9884 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9886 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9887 and -mlong-double-128 are incompatible.
9888 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9889 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9890 (TARGET_LIBGCC2_CFLAGS): Define.
9891 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9892 (TARGET_LIBGCC2_CFLAGS): Same.
9893 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9895 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9898 * c-typeck.c (build_binary_op): Perform implicit casts of
9899 operands before shortening them.
9901 * cfgloopmanip.c (split_loop_bb): Remove.
9902 * cfgloop.h: Remove the prototype for split_loop_bb.
9904 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9905 * cfgloop.h: Remove the prototype for
9906 flow_loop_outside_edge_p.
9908 * emit-rtl.c (init_virtual_regs): Make it static.
9909 * function.h: Remove the prototype for init_virtual_regs.
9911 * recog.c (peephole2_optimize): Make it static.
9912 * recog.h: Remove the prototype for peephole2_optimize.
9914 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9916 * df-scan.c (df_record_entry_block_defs): Check if
9917 INCOMING_RETURN_ADDR_RTX is defined.
9919 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9920 Kenneth Zadeck <zadeck@naturalbridge.com>
9922 PR rtl-optimization/24762
9923 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9924 * targhooks.c (hook_void_bitmap): New hook prototype.
9925 * targhoohs.h (hook_void_bitmap): Ditto.
9926 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9927 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9928 * target.h (live_on_entry): New function pointer.
9929 * df-scan.c (df_all_hard_regs): Removed.
9930 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9931 (df_scan_free_internal): Added df->entry_block_defs.
9932 (df_scan_alloc): Ditto.
9933 (df_scan_dump): Ditto.
9934 (df_uses_record): Plumbed flag field properly thru calls.
9935 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9936 This part fixes PR24762.
9937 (df_bb_refs_record): Added code to make the frame and arg
9938 pointers live in EH blocks.
9939 (df_refs_record): Added call to df_record_entry_block_defs.
9940 (df_record_entry_block_defs): New function.
9941 * df-core.c: Added comments to describe new artifical defs.
9942 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9943 (entry_block_defs): New field in struct df.
9944 (df_all_hard_regs): Deleted.
9945 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9946 * df-problems.c (df_ru_bb_local_compute_process_def):
9947 Added code to handle artifical defs in the entry to a function.
9948 (df_ru_bb_local_compute): Ditto.
9949 (df_rd_bb_local_compute_process_def): Ditto.
9950 (df_rd_bb_local_compute): Ditto.
9951 (df_lr_bb_local_compute): Ditto.
9952 (df_ur_bb_local_compute): Ditto.
9953 (df_urec_bb_local_compute): Ditto.
9954 (df_chain_create_bb): Ditto.
9955 (df_ur_local_finalize): Removed entry.
9956 (df_urec_init): Ditto.
9957 (df_urec_local_finalize): Ditto.
9958 (df_ri_bb_compute): Added detection of last use of pseudos.
9959 * Makefile.in (df-scan.o): Updated dependencies.
9960 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9961 * config/mips/mips.c (mips_set_live_on_entry): Added.
9962 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9964 * dce.c (marked_insn_p): Added code to handle artifical defs.
9966 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9968 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9970 (_mm_cvtsi128_si64): Likewise.
9971 (_mm_cvtsd_si64): Likewise.
9972 (_mm_cvttsd_si64): Likewise.
9973 (_mm_cvtsi64_sd): Likewise.
9974 (_mm_cvtsi64_si128): Likewise.
9975 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9976 (_mm_cvtsi64_m64): Likewise.
9977 (_m_to_int64): Likewise.
9978 (_mm_cvtm64_si64): Likewise.
9979 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9980 (_mm_cvttss_si64): Likewise.
9981 (_mm_cvtsi64_ss): Likewise.
9982 (_mm_cvtss_f32): Likewise.
9984 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9986 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9987 for pragma redefine_extname.
9989 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9992 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9993 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9994 -mno-minimal-toc to previous content.
9995 (bispecs): Remove goal.
9996 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9997 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9998 compatibility aliases on powerpc-*-*gnu*.
9999 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10000 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10001 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10002 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10003 (ldblspecs): New goal.
10004 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10005 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10007 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10008 L_sf_to_tf or L_df_to_tf is defined.
10010 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10011 Alan Modra <amodra@bigpond.net.au>
10014 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10015 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10016 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10017 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10018 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10019 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10020 (rs6000_override_options): Initialize rs6000_ieeequad.
10021 Initialize TFmode format to ibm_extended_format if not
10023 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10025 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10026 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10027 (function_arg_advance): IBM long double passed in two FPRs, not
10029 (function_arg): IBM long double passed in FPRs.
10030 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10031 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10032 Only multireg GPR aligned.
10033 (rs6000_init_libfuncs): Enable IBM long double functions if not
10035 (rs6000_generate_compare): Use IBM long double compare if not
10037 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10038 (TARGET_IEEEQUAD): Define.
10039 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10040 not TARGET_IEEEQUAD.
10041 * config/rs6000/rs6000.md: Enable TFmode patterns if
10043 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10044 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10045 and -mlong-double-128 are incompatible.
10046 * doc/invoke.texi (-mabi): Collect options together. Add
10047 ibmlongdouble and ieeelongdouble.
10049 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10051 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10053 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10054 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10055 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10056 * rtl.h (rtunion_def): Remove rt_ptr.
10058 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10059 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10060 * config/i386/winnt.c (i386_pe_mark_dllexport)
10061 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10063 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10065 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10067 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10071 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10072 pthread_key_delete. From John David Anglin. gthrw-ify
10073 pthread_getunique_np only if it it's not a macro. Delete
10075 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10076 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10077 __gthread_objc_condition_signal, __gthread_key_delete): Add
10078 "__attribute__ ((__unused__))" to unused arguments.
10079 (__gthread_recursive_mutex_init_function): Add missing return.
10080 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10081 gthr-posix95.h: Use macro-based approach for name redirection
10082 on targets missing weakref.
10084 2006-01-26 Zack Weinberg <zackw@panix.com>
10086 * genconditions.c (write_header): In generated code, #ifdef out
10087 all includes and fake declarations, except includes of bconfig.h
10088 and system.h, unless GCC_VERSION >= 3001. Do not include
10089 gensupport.h in any case.
10090 (write_conditions): Generate a definition of struct c_test. Add
10091 a comment to the generated #endif.
10092 (write_one_condition): Escape backslashes in string too.
10093 (write_writer): Generated code must escape backslashes and quote
10094 marks (but not newlines) in the strings it writes.
10095 * Makefile.in (build/gencondmd.o): Update dependencies.
10097 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10100 * Makefile.in (insn-automata.o): Add header file dependencies.
10101 * genautomata.c: Add includes.
10103 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10106 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10108 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10110 * configure.ac: Expect target tools paths to be passed from the toplevel
10111 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10113 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10115 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10118 * c.opt (Wpointer-sign): Init to -1.
10119 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10120 OPT_pedantic, to 0 otherwise.
10121 * doc/invoke.texi: Update.
10123 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10125 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10126 constants provided by 80387 instructions in the destination mode.
10128 2006-01-26 Richard Guenther <rguenther@suse.de>
10129 Andrew Pinski <pinskia@physics.uc.edu>
10132 partial PR tree-opt/17064
10133 * tree-ssa-structalias.c (intra_create_variable_infos):
10134 Create heap variables for incoming parameters if
10135 flag_argument_noalias > 1.
10136 (find_what_p_points_to): Look through default defs of
10139 2006-01-26 Jeff Law <law@redhat.com>
10142 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10143 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10144 within the VR_RANGE, use the VR_RANGE as the result, not the
10146 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10147 bounds for the type.
10149 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10151 * tree-ssa-alias.c (maybe_create_global_var): Change
10152 subvar walking to an assertion that we don't have subvar'd variables.
10154 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10157 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10158 Use a new variable, inner. PARM_DECLs are always non-weak.
10160 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10162 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10163 --disable-checking.
10165 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10167 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10169 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10171 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10172 (smax_insn, smin_insn, smax_0, smin_0): New.
10174 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10177 * config/cris/cris.c (cris_order_for_addsi3): New function.
10178 * config/cris/cris-protos.h: Prototype it.
10179 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10180 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10181 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10182 (split for "op.S1 [rx=rx+i],ry (swapped)")
10183 (split for "op(s|u).S1 [rx=rx+i],ry")
10184 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10185 Apply cris_order_for_addsi3 when generating addsi3 insns.
10187 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10189 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10190 (TREE_BLOCK): Add call to EXPR_CHECK.
10192 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10195 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10196 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10197 (dump_omp_clauses): ... here.
10198 (dump_generic_node): Handle OMP_CLAUSE.
10199 * tree.c (omp_clause_num_ops): New.
10200 (omp_clause_code_name): New.
10201 (tree_code_size): Handle OMP_CLAUSE.
10202 (tree_size): Likewise.
10203 (make_node): Document handling of OMP_CLAUSE.
10204 (tree_node_structure): Handle OMP_CLAUSE.
10205 (omp_clause_check_failed): New.
10206 (omp_clause_range_check_failed): New.
10207 (omp_clause_operand_check_failed): New.
10208 (build_omp_clause): New.
10209 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10210 * tree.h (enum omp_clause_code): Declare.
10211 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10212 (OMP_CLAUSE_RANGE_CHECK): Define.
10213 (OMP_CLAUSE_ELT_CHECK): Define.
10214 (omp_clause_check_failed): Declare.
10215 (omp_clause_operand_check_failed): Declare.
10216 (omp_clause_range_check_failed): Declare.
10217 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10218 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10219 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10220 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10221 (OMP_CLAUSE_IF_EXPR): Likewise.
10222 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10223 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10224 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10225 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10226 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10227 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10228 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10229 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10230 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10231 (OMP_CLAUSE_CODE): Define.
10232 (OMP_CLAUSE_SET_CODE): Define.
10233 (OMP_CLAUSE_CODE): Define.
10234 (OMP_CLAUSE_OPERAND): Define.
10235 (struct tree_omp_clause): Declare.
10236 (union tree_node): Add field 'omp_clause'.
10237 * treestruct.def (TS_OMP_CLAUSE): Define.
10238 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10239 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10240 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10241 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10242 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10243 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10244 (OMP_CLAUSE): Define.
10245 * print-tree.c (print_node): Handle OMP_CLAUSE.
10246 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10247 * c-typeck.c: Likewise.
10248 * gimplify.c: Likewise.
10249 * c-omp.c: Likewise.
10250 * tree-nested.c: Likewise.
10251 * tree-inline.c: Likewise.
10252 * c-parser.c: Likewise.
10253 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10256 2006-01-25 Roger Sayle <roger@eyesopen.com>
10258 PR rtl-optimization/25703
10259 * combine.c (try_combine): Handle zero_extract and strict_low_part
10260 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10262 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10264 * global.c: Fix comment typos.
10266 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10269 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10270 Use output_addr_const instead of assemble_name.
10272 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10274 * Makefile.in (sched-vis.o): Update dependencies.
10275 * haifa-sched.c (sched_finish): Clear current_sched_info.
10276 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10277 (dump_flow_info): Call it.
10278 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10280 * basic-block.h (dump_bb_info): Declare.
10281 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10282 option, and apply options only for dump files whose TDF_RTL,
10283 TDF_TREE, or TDF_IPA bits match.
10284 * rtl.h: Declare new functions exported from sched-vis.c.
10285 * sched-vis.c: Enable also if scheduling is not used.
10286 (print_value): Print the mode of registers if not inside scheduling.
10287 (print_insn): Make it work outside the scheduler. Beautify the output
10289 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10291 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10293 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10294 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10295 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10296 depending on the value of CONSTANT_POOL_ADDRESS_P.
10297 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10299 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10300 rather than SYMBOL_REF_DECL.
10301 (rtx_constant_pool): Remove const_rtx_sym_htab.
10302 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10303 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10304 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10305 Remove handling of const_rtx_sym_htab.
10306 (find_pool_constant): Delete.
10307 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10308 rather than find_pool_constant.
10309 (get_pool_constant_for_function): Delete.
10310 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10311 find_pool_constant.
10312 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10313 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10314 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10315 (SYMBOL_REF_CONSTANT): New macro.
10316 (get_pool_constant_for_function): Delete.
10317 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10318 rather than SYMBOL_REF_DECL.
10319 (i386_pe_mark_dllimport): Likewise.
10320 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10321 rather than SYMBOL_REF_DECL.
10322 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10323 (machopic_indirect_call_target): Likewise.
10325 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10327 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10329 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10331 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10333 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10335 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10337 2006-01-24 David Daney <ddaney@avtrex.com>
10340 * configure.ac (enable_tls): New enable option.
10341 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10342 * configure: Regenerate.
10343 * doc/install.texi (--enable-tls): Document new option.
10344 (--disable-tls): Ditto.
10346 2006-01-24 Richard Henderson <rth@redehat.com>
10348 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10349 * alias.c (true_dependence): Respect it.
10350 (canon_true_dependence, write_dependence_p): Likewise.
10351 * builtins.c (get_builtin_sync_mem): Set it.
10353 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10355 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10358 2006-01-24 DJ Delorie <dj@redhat.com>
10360 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10361 for storing constants in single-bit bitfields.
10363 2006-01-25 Ben Elliston <bje@au.ibm.com>
10365 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10367 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10370 * tree-ssa-pre.c (phi_translate): Return NULL
10371 for AGGREGATE_TYPE's.
10373 2006-01-24 Zack Weinberg <zackw@panix.com>
10375 * genautomata.c (process_state_for_insn_equiv_partition):
10376 Use xcalloc for insn_arcs_array.
10377 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10378 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10380 2006-01-24 Richard Henderson <rth@redhat.com>
10382 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10383 update all callers.
10385 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10387 PR rtl-optimization/25890
10388 PR rtl-optimization/25905
10389 * combine.c (expand_compound_operation, expand_field_assignment):
10390 Fail if the bitfield's final position is out of bounds.
10392 2006-01-24 Ian Lance Taylor <ian@airs.com>
10394 PR middle-end/25930
10395 * cgraphunit.c (cgraph_output_in_order): Don't clear
10396 cgraph_asm_nodes until after asm strings have been output.
10398 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10400 * fix-header.c (read_scan_file): Add new parameter imultilib when
10401 calling register_include_chains.
10403 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10405 * omp-low.c: Update documentation.
10407 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10408 Daniel Berlin <dberlin@dberlin.org>
10412 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10413 return from the function.
10415 2006-01-22 Zack Weinberg <zackw@panix.com>
10417 * rtl.def (match_code): Add second argument.
10418 * genpreds.c (write_extract_subexp): New function.
10419 (write_match_code): Add path argument. Use write_extract_subexp.
10420 (write_predicate_expr): Pass path to write_match_code.
10421 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10422 not perform a mode test.
10423 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10424 a subexpression does not constrain the top-level code set.
10425 * read-rtl.c (read_rtx_variadic): New function.
10426 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10427 * doc/md.texi: Document new notation.
10428 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10429 (cmpsi_operand): ... here, using new notation.
10431 2006-01-22 Zack Weinberg <zackw@panix.com>
10433 * varray.c: Remove GENERATOR_FILE #ifdefs.
10435 2006-01-22 Zack Weinberg <zackw@panix.com>
10437 * genautomata.c (output_reserved_units_table): Emit nothing if
10438 description->query_units_num is zero. Remove extra blank line.
10439 (output_cpu_unit_reservation_p): Short circuit
10440 if description->query_units_num is zero.
10442 2006-01-22 Zack Weinberg <zackw@panix.com>
10444 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10445 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10446 nor any of the random handful of variables that used to be necessary
10447 when this program was linked with rtlanal.o. Prune set of forward
10448 function declarations.
10449 (struct attr_desc): Remove static_p field.
10450 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10451 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10452 (attr_string): Do not read the character one past the length of
10454 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10455 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10456 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10457 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10458 (make_automaton_attrs): New.
10459 (main): Do not call into genautomata. Call local gen_bypass
10460 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10461 Remove special case for insn_alts.
10462 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10463 varray.h (leftover from previous change). Prune set of forward
10464 function declarations. Remove state_alts fields from all
10465 structures. Remove state_alts_table from struct automaton.
10466 Make everything except main static. Do not maintain num_dfa_decls.
10467 Do not maintain state_alts fields of various structures.
10468 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10469 (add_arc): Remove state_alts argument. All callers updated.
10470 (output_reserved_units_table): Emit #ifdef here...
10471 (output_tables): ...not here. Don't generate state_alts tables.
10472 (expand_automata): Don't generate attributes.
10473 (write_automata): Don't generate state_alts functions.
10474 (main): New function.
10475 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10476 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10477 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10478 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10479 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10480 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10481 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10482 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10484 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10485 * genattrtab.h: Delete file.
10486 * Makefile.in (OBJS-common): Add insn-automata.o.
10487 (insn-automata.o): New rule.
10488 (simple_generated_c): Add insn-automata.c.
10489 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10490 (genprogmd): Add automata.
10491 (build/genattrtab): Needs no extra objects nor libraries.
10492 (build/genautomata): Needs build/vec.o and -lm.
10494 2006-01-22 Zack Weinberg <zackw@panix.com>
10496 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10497 (output_dfa_max_issue_rate, locked_states_num): Delete.
10498 (struct automaton): Add locked_states field.
10499 (output_dead_lock_vect): Save number of locked states in
10500 automaton->locked_states. If it is zero, don't print anything.
10501 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10502 (output_internal_dead_lock_func): Only test the dead_lock_vect
10503 for automata that have locked states.
10504 (output_statistics): Always print the number of locked states for
10505 each automaton. Calculate total number of locked states here.
10506 (write_automata): Don't call output_dfa_max_issue_rate.
10507 * genattrtab.c: Define length_unit_log as a const variable.
10508 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10509 max_insn_queue_index const.
10510 * final.c (length_unit_log): Declare const.
10511 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10513 2006-01-22 Zack Weinberg <zackw@panix.com>
10515 * genautomata.c: Include vec.h, not varray.h.
10516 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10517 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10518 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10519 VEC_* macros operating on appropriately typed vectors, or to
10520 malloced arrays when the size is known in advance. Const-ify
10521 many char* variables and function arguments. No functional changes.
10522 * Makefile.in (build/varray.o): Delete rule.
10523 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10524 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10526 2006-01-22 Zack Weinberg <zackw@panix.com>
10528 * gensupport.c: Define get_insn_name and record_insn_name here.
10529 (read_md_rtx): Call record_insn_name as appropriate.
10530 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10531 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10532 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10534 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10535 (BUILD_VARRAY): Delete.
10536 (genprognormal): Rename genprogmd. Fold in all programs from
10537 genprognoprint; also attrtab.
10538 (build/genattrtab): Just mention genautomata.o and varray.o.
10539 Reorganize a bit, add comments to make the categories clearer.
10541 2006-01-22 Zack Weinberg <zackw@panix.com>
10543 * genconditions.c (condition_table, add_condition): Delete.
10544 (write_conditions): Don't emit n_insn_conditions nor
10545 insn_elision_unavailable. Issue the gcc version #ifdef here,
10546 inside the table, with no #else clause ...
10547 (write_header): ...not here.
10548 (write_writer): New function.
10549 (main): Don't initialize condition_table. Use add_c_test.
10551 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10552 files on the command line.
10553 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10554 Return -1 if there is no entry in the table, don't abort.
10555 (add_c_test, traverse_c_tests): New functions.
10556 * gensupport.h (insn_elision_unavailable, insn_conditions)
10557 (n_insn_conditions): Delete declarations.
10558 (add_c_test, traverse_c_tests): Declare.
10559 * read-rtl.c: Include gensupport.h.
10560 (read_conditions): New function.
10561 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10562 (read_rtx_1): If we get EOF when we were looking for an initial
10563 open paren, return 0. Call read_conditions when appropriate.
10564 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10565 dummy-conditions.o. Eliminate references to insn-conditions.o,
10566 or change them to build/gencondmd.o, as appropriate. Remove
10567 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10568 from $(simple_generated_c). For all files remaining in those
10569 two lists, add insn-conditions.md to the generator command line.
10570 Give insn-constants.h/s-constants their own rules. Add rules
10571 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10572 (build/read-rtl.o): Depend on gensupport.h.
10573 (genprognormal): Include preds.
10574 (genprogearly): Rename genprognoprint; only difference is now that
10575 they don't link with $(BUILD_PRINT).
10576 * dummy-conditions.c: Delete.
10578 2006-01-22 Zack Weinberg <zackw@panix.com>
10580 * genextract.c: Don't include insn-config.h. Do include vec.h.
10581 Declare vectors of int, char, and locstr.
10582 (locstr): New typedef.
10583 (struct extraction): Make all array fields into bare pointers.
10584 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10585 (insn_code_number): Delete.
10586 (accum_extract): New struct.
10587 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10588 (gen_insn): Take insn_code_number as an argument. Use an
10589 accum_extract structure instead of loading data directly into
10590 a struct extraction, and having to know how big it might get.
10591 (walk_rtx): Operate entirely on an accum_extract structure.
10592 (print_path): Avoid unnecessary use of printf.
10593 (print_header): New function, split out of main. Distinguish
10594 more carefully between an unrecognizable insn and an insn that
10595 has the code number of a define_expand.
10596 (main): Pass insn_code_number to gen_insn. Call print_header
10597 only after parsing. Avoid unnecessary use of printf.
10598 * Makefile.in (build/vec.o): New rule.
10599 (build/genextract): Depend on build/vec.o.
10600 (build/genextract.o): Don't depend on insn-config.h.
10602 2006-01-22 Zack Weinberg <zackw@panix.com>
10604 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10605 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10606 practical. Eliminate per-generator-program link rules.
10608 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10610 PR middle-end/24437
10611 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10612 with a call expr to ...
10613 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10615 2006-01-23 Richard Guenther <rguenther@suse.de>
10617 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10618 before make_edge with conditional EDGE_TRUE_VALUE.
10620 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10621 Jan Hubicka <jh@suse.cz>
10622 Richard Guenther <rguenther@suse.de>
10624 PR rtl-optimization/25654
10625 * cfgexpand.c (aggregate_contains_union_type): New function.
10626 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10627 for structure variables that contain a union type.
10629 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10631 * gengtype.c (new_structure): Return the structure.
10632 (create_option): Add an extra "next" argument.
10633 (create_field): New function.
10634 (adjust_field_rtx_def): Use create_option and create_field.
10635 Remove a now-unnecessary call to find_structure.
10636 (adjust_field_tree_def): Likewise.
10637 (note_yacc_type): Remove an unnecessary call to find_structure.
10638 * gengtype.h (new_structure): Return the structure.
10639 (create_option): Add an extra argument.
10640 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10641 (option): Adjust calls to create_option.
10643 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10645 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10647 2006-01-22 Paul Brook <paul@codesourcery.com>
10648 Peter Barada <peter@the-baradas.com>
10650 * config/m68k/m68k.md: Add Coldfire FPU support.
10651 Define FP mode macro and associated attributes.
10652 Use it for float mode patterns.
10653 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10654 (LIBCALL_VALUE): Use m68k_libcall_value.
10655 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10656 (m68k_function_value): Ditto.
10657 (emit_move_sequence): Ditto.
10658 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10659 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10660 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10661 (MULTILIB_EXCEPTIONS): Ditto.
10662 * config/m68k/m68k.opt: Add mcfv4e.
10663 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10664 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10665 (m68k_output_function_prologue): Save ColdFire FPU registers.
10666 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10667 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10668 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10669 ColdFire FPU registers.
10670 (m68k_libcall_value, m68k_function_value): New functions.
10671 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10672 (LIBCALL_VALUE): Use m68k_libcall_value.
10673 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10674 (MASK_COLDFIRE): Add MASK_CFV4E.
10675 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10676 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10677 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10678 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10679 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10680 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10681 * doc/invoke.tex: Document -mcfv4e on m68k.
10683 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10685 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10688 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10691 * c-opts.c (c_common_handle_option): Don't include
10692 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10693 * doc/invoke.texi (C++ Dialect Options): Document that
10694 -Wnon-virtual-dtor is no longer included in -Wall.
10696 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10698 * gcov.c (print_version), gcov-dump.c (print_version),
10699 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10702 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10704 * df-scan.c (problem_SCAN): Added NULL reset function.
10705 (df_scan_reset_blocks): Added code to call reset block function
10706 (df_bb_refs_delete) Fixed comment.
10707 (df_insn_refs_delete): Made tolerant of deleting non existent info
10708 for dataflow problems that need to be reset.
10709 * df-core.c (df_set_blocks): Ditto.
10710 * df.h (struct df_problem): Added reset_fun.
10711 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10712 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10713 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10714 functions to clear out all references to def-use or use-def chains.
10716 2006-01-21 Ben Elliston <bje@au.ibm.com>
10718 * varasm.c (assemble_real): Initialise data array.
10720 2006-01-20 Paul Brook <paul@codesourcery.com>
10722 Merge from csl-arm-branch.
10723 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10724 * config/arm/arm.md (movdi): Force operands[1] to a register
10725 if we have a non-register source.
10726 (*arm_movdi, *movdf_soft_insn): Require that one of the
10727 operands be a register.
10728 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10729 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10731 2006-01-20 DJ Delorie <dj@redhat.com>
10733 * varasm.c (initializer_constant_valid_p): Allow pointers
10734 initialized from integer constants of lesser precision.
10735 (output_constant): Allow non-int-sized pointer modes to be
10736 initialized from integer constants.
10738 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10741 * cppdefault.h (struct default_include): Add multilib flag.
10742 * cppdefault.c (cpp_include_defaults): Set it.
10743 * c.opt (-imultilib): New option.
10744 * c-opts.c (imultilib): New.
10745 (c_common_handle_option): Handle -imultilib.
10746 (c_common_post_options): Likewise.
10747 * c-incpath.c (add_standard_paths, register_include_chains):
10749 * c-incpath.h (register_include_chains): Add extra parameter.
10750 * gcc.c (do_spec_1): Generate -imultilib option.
10751 (The Specs Language): Update %I description.
10752 (process_command): Update copyright notice.
10753 * doc/cppopts.texi (-imultilib): Document.
10754 * doc/invoke.texi (-imultilib): Include in option summary.
10755 (%I): Update specs documentation.
10757 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10759 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10761 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10763 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10766 2006-01-20 Richard Guenther <rguenther@suse.de>
10767 Steven Bosscher <stevenb.gcc@gmail.com>
10769 PR rtl-optimization/24626
10770 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10771 EDGE_TRUE_VALUE if in RTL mode.
10774 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10775 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10777 2006-01-20 Dirk Mueller <dmueller@suse.com>
10780 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10781 instead of a special NOP marker.
10782 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10783 NOP marker handling.
10784 * c-common.h (empty_body_warning): Add forward declaration.
10785 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10786 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10788 2006-01-20 Paul Brook <paul@codesourcery.com>
10790 * Makefile.in (lang_checks): Keep going if mkdir fails.
10792 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10794 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10795 be able to clean out basic block when not necessary.
10796 (df_scan_free): Fixed to properly delete information if df is
10797 unused before calling df_finish.
10798 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10799 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10801 (df_bb_refs_delete): New function.
10802 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10803 * df-core.c (df_set_blocks): Added code to properly clean out
10804 unused blocks if they are not part of the blocks to consider.
10805 Added additional null check.
10806 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10807 be able to clean out basic block when not necessary
10808 * df.h (df_free_bb_function): Ditto.
10809 (df_bb_refs_delete): New function.
10810 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10811 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10812 basic block parameter to be able to clean out basic block when not
10814 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10815 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10816 Fixed to properly delete information if df is unused before
10819 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10821 PR rtl-optimization/25799
10822 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10823 Corrected confluence operator to remove bits from op2 before oring
10824 with op1 rather than removing bits from op1.
10825 (df_ru_transfer_function): Corrected test on wrong bitmap which
10826 caused infinite loop. Both of these problems were introduced in
10827 the dataflow rewrite.
10829 2006-01-19 DJ Delorie <dj@redhat.com>
10831 * reload1.c (find_reload_regs): Note the details of reload
10832 failures in the dump file.
10833 (spill_failure): Likewise.
10835 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10837 * loop-iv.c: Include df.h and hashtab.h.
10838 (enum iv_grd_result): New enum.
10839 (DF_REF_IV, DF_REF_IV_SET): New macros.
10840 (struct biv_entry): New.
10841 (df, bivs): New global variables.
10842 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10843 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10845 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10846 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10847 analyzed_for_bivness_p, record_biv): New functions.
10848 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10849 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10850 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10852 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10854 (iv_number_of_iterations): Use new interface to iv analysis.
10855 * loop-unroll.c: Do not include varray.h.
10856 (analyze_iv_to_split_insn): Use new interface to iv
10858 * loop-unswitch.c (may_unswitch_on): Ditto.
10859 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10861 (df_bb_modify): Realloc tables to the new index.
10862 (df_find_use): New function.
10863 * df.h (df_find_use): Declare.
10864 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10866 * cfgloop.h (struct rtx_iv): Remove analysed field.
10867 (iv_get_reaching_def): Removed.
10868 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10869 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10870 (loop-iv.o): Add df.h and hashtab.h dependency.
10871 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10873 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10876 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10878 (__floatundisf, __floatundidf): Likewise.
10879 * libgcc2.h (IS_IBM_EXTENDED): Define.
10881 2006-01-19 DJ Delorie <dj@redhat.com>
10883 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10885 2006-01-19 Paul Brook <paul@codesourcery.com>
10887 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10888 as nothrow when unwinding tables are disabled.
10890 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10893 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10894 of bit-field" when in system header.
10896 2006-01-19 DJ Delorie <dj@redhat.com>
10898 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10899 the 16 bit shift limit of the m16c.
10901 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10904 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10905 * config/i386/i386.c (output_set_got): Output the label if we have one
10906 for the TARGET_DEEP_BRANCH_PREDICTION case.
10908 2006-01-19 Jan Hubicka <jh@suse.cz>
10909 H.J. Lu <hongjiu.lu@intel.com>
10910 Evandro Menezes <evandro.menezes@amd.com>
10912 * invoke.texi (generic): Document
10914 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10915 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10916 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10917 (x86_use_incdec, x86_pad_returns): New variables
10918 (TARGET_CPU_DEFAULT_generic): New constant
10919 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10920 (enum processor_type): Add generic32 and generic64.
10921 * i386.md (cpu attribute): Add generic32/generic64
10922 (movhi splitter): Behave sanely when both partial_reg_dependency and
10923 partial_reg_stall are set.
10924 (K8 splitters): Enable for generic as well.
10925 * predicates.md (incdec_operand): Use TARGET_INCDEC
10926 (aligned_operand): Avoid memory mismatch stalls.
10927 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10928 * ppro.md: Enable for generic32
10929 * i386.c (generic64_cost, generic32_cost): New.
10930 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10931 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10932 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10933 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10934 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10935 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10936 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10937 x86_accumulate_outgoing_args, x86_prologue_using_move,
10938 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10939 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10940 Enable for generic.
10941 (x86_use_incdec, x86_pad_returns): New.
10942 (override_options): Add generic32 and generic64, translate "generic"
10943 to generic32/generic64 and "i686" to "generic32", refuse
10944 "generic32"/"generic64" as arch target.
10945 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10946 (ix86_reorg): Honor PAD_RETURNS.
10948 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10950 * tree-pretty-print.c (dump_generic_node): Handle
10951 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10952 * cgraph.c (cgraph_expand_queue): Rename from
10953 cgraph_analyze_queue. Update all users.
10954 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10955 cgraph_expand_queue.
10956 (cgraph_expand_all_functions): Likewise.
10957 (cgraph_finalize_pending_functions): Remove. Update callers.
10959 * tree.h (OMP_DIRECTIVE_P): Define.
10960 (OMP_PARALLEL_FN): Define.
10961 (OMP_PARALLEL_DATA_ARG): Define.
10962 (OMP_SECTIONS_SECTIONS): Define.
10963 * tree-pass.h (pass_expand_omp): Declare.
10964 * omp-low.c (struct omp_region): Declare.
10965 (struct omp_context): Remove fields 'parallel_type',
10966 'parallel_start_ix' and 'parallel_start_additional_args'.
10968 (struct omp_for_data): Rename from struct expand_omp_for_data.
10969 (omp_regions): New static variable.
10970 (root_omp_region): New static variable.
10971 (find_omp_clause): Make static.
10972 (is_in_combined_parallel_ctx): Remove.
10973 (is_combined_parallel): New.
10974 (extract_omp_for_data): Move earlier in the file.
10975 (workshare_safe_to_combine_p): New.
10976 (get_ws_args_for): New.
10977 (determine_parallel_type): Move earlier in the file.
10978 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10980 (omp_copy_decl): Likewise.
10981 (create_omp_child_function): Likewise.
10982 (lookup_omp_region): New.
10983 (dump_omp_region): New.
10984 (debug_omp_region): New.
10985 (debug_all_omp_regions): New.
10986 (new_omp_region): New.
10987 (scan_omp_parallel): If parallel_nesting_level > 1, the
10988 directive is nested within another parallel directive.
10989 Set OMP_PARALLEL_FN.
10990 (scan_omp_for): Do not try to handle combined parallel+for
10992 Remove FIXME comment.
10993 (scan_omp_nested): Remove.
10994 (scan_omp_1): Do not call scan_omp_nested when
10995 parallel_nesting_level is > 1.
10996 Do not change the DECL_CONTEXT of local variables found.
10997 (lookup_decl_in_outer_ctx): New.
10998 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10999 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11000 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11001 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11002 If CTX is nested, lookup VAR in the outer context when
11003 building copy assignment.
11004 (lower_send_clauses): Rename from expand_send_clauses.
11005 If CTX is nested, lookup VAR in the outer context when
11006 building copy assignments.
11007 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11008 If CTX is nested, lookup VAR in the outer context when
11009 building copy assignments.
11010 (expand_parallel_call): Rename from build_parallel_call.
11011 Handle combined parallel+workshare cases.
11012 Re-implement to emit code into the CFG.
11014 (expand_omp_parallel): Re-implement to emit code into the CFG.
11015 Call move_sese_region_to_fn to outline the sub-graph
11016 containing the parallel region.
11017 (expand_omp_for_1): Remove.
11018 (expand_omp_for_generic): Re-implement to emit code into the
11020 (expand_omp_for_static_nochunk): Likewise.
11021 (expand_omp_for_static_chunk): Likewise.
11022 (expand_omp_for): Likewise.
11023 (expand_omp_sections): Likewise.
11024 (remove_exit_barriers): New.
11025 (expand_omp_synch): New.
11027 (build_omp_regions_1): New.
11028 (build_omp_regions): New.
11029 (execute_expand_omp): New.
11030 (gate_expand_omp): New.
11031 (pass_expand_omp): Define.
11032 (lower_omp_sections): Rename from expand_omp_sections.
11033 Set OMP_SECTIONS_SECTIONS.
11034 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11035 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11036 (lower_omp_single): Rename from expand_omp_simple.
11037 (lower_omp_master): Rename from expand_omp_master.
11038 (lower_omp_ordered): Rename from expand_omp_ordered.
11039 (lower_omp_critical): Rename from expand_omp_critical.
11040 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11041 (lower_omp_for): Re-implement.
11042 (lower_omp_parallel): Re-implement.
11043 (lower_regimplify): Rename from expand_regimplify.
11044 (lower_omp_1): Rename from expand_omp_1.
11045 If there are syntax errors in the program, replace every
11046 OpenMP directive with NOP.
11047 Call lower_omp_* instead of expand_omp_*.
11048 (lower_omp): Rename from expand_omp.
11050 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11051 * tree-gimple.h (enum omp_parallel_type): Remove.
11052 (gimple_boolify): Declare extern.
11053 (find_omp_clause, determine_parallel_type): Remove.
11055 * gimple-low.c (lower_omp_directive): New.
11056 (lower_stmt): Call it.
11057 (record_vars_into): Move from ...
11058 (record_vars): ... here.
11059 Call record_vars_into with current_function_decl.
11061 * gimplify.c (struct gimplify_ctx): Remove fields
11062 combined_pre_p and combined_ctxp. Update users.
11063 (get_formal_tmp_var): Add documentation.
11064 (gimple_boolify): Make extern.
11065 (gimplify_expr_in_ctx): Remove. Update callers.
11066 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11067 will always be a BIND_EXPR.
11068 (gimplify_expr): Handle OMP_RETURN_EXPR.
11069 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11070 (OMP_PARALLEL): Add 3 operands.
11071 (OMP_SECTIONS): Add 1 operand.
11072 (OMP_RETURN_EXPR): Define.
11074 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11075 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11076 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11077 creating a circular free list.
11078 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11080 * tree-flow.h (move_sese_region_to_fn): Declare.
11081 (record_vars_into): Declare.
11082 * tree-cfg.c (make_omp_sections_edges): New.
11083 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11084 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11085 OMP_SECTIONS and OMP_SECTION.
11086 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11087 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11088 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11089 (gather_blocks_in_sese_region): New.
11090 (struct move_stmt_d): Declare.
11091 (move_stmt_r): New.
11092 (move_block_to_fn): New.
11093 (move_sese_region_to_fn): New.
11095 * passes.c (init_optimization_passes): Schedule
11096 pass_expand_omp after pass_init_datastructures.
11098 * tree-ssa-operands.c (get_expr_operands): Handle
11099 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11100 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11102 2006-01-19 Jeff Law <law@redhat.com>
11104 * tree-vrp.c (extract_range_from_assert): Refine the result range
11105 if the variable referenced by the ASSERT_EXPR has a range and
11106 either the tentative result range or the previous range is a
11109 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11111 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11113 2006-01-19 Jan Hubicka <jh@suse.cz>
11115 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11117 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11119 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11120 (expand_compound_operation, expand_field_assignment): Fail if the
11121 bit lengths of an extract operation are out of range.
11122 (make_extraction): Compute wanted_inner_mode based on the position
11123 and length of the extraction. Make it extraction_mode for non-constant
11124 positions, and do not modify offset in that case. When generating a
11125 new MEM, use a mode that can hold the extraction while keeping correct
11126 alignment. Remove code that supported MEMs wrapped by USEs.
11127 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11129 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11131 * config/s390/s390.md ("Y", "y"): New mode attribute.
11132 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11133 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11134 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11135 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11136 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11137 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11138 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11139 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11140 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11141 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11142 "addsi3", "subsi3"): Insn patterns removed.
11143 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11144 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11145 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11146 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11147 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11148 "*sub<mode>3_cconly2"): New insn patterns.
11149 ("addsi3", "subsi3"): New expanders.
11151 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11153 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11154 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11155 existing STMT_VINFO_VECTYPE if available.
11156 (vect_mark_relevant): Add special handling for stmts that are
11157 marked as STMT_VINFO_IN_PATTERN_P.
11158 (vect_analyze_loop): Call vect_pattern_recog.
11159 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11160 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11162 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11163 (vect_recog_func_ptr): New function-pointer type.
11164 * tree-vect-patterns.c: New file.
11165 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11166 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11167 (vect_pattern_recog_1): New functions.
11168 (vect_pattern_recog_funcs): New array of function pointers.
11170 * tree-vectorizer.h (ternary_op): New enum value.
11171 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11172 declaration. Revised documentation. Removed redundant dump prints.
11173 Removed redundant argument. Added support for reduction patterns.
11174 (vectorizable_reduction): Added support for reduction patterns.
11175 (vect_transform_stmt): Added support for patterns.
11177 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11178 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11179 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11180 (expand_widen_pattern_expr): New function.
11181 (init_optabs): Initialize new optabs udot_prod_optab,
11183 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11184 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11185 (expand_widen_pattern_expr): New function declaration.
11186 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11188 * tree-inline.c (estimate_num_insns_1): Added cases for new
11189 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11190 * tree-pretty-print.c (dump_generic_node): Likewise.
11191 (op_prio): Likewise.
11192 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11193 * tree-ssa-operands.c (get_expr_operands): Added case for
11195 * tree-vect-patterns.c (widened_name_p): New function.
11196 (vect_recog_dot_prod_pattern): Added function implementation.
11197 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11198 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11199 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11200 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11202 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11203 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11204 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11205 (init_optabs): Initialize new optabs widen_ssum_optab,
11207 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11208 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11209 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11210 use instead of type of def.
11211 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11212 function implementation.
11213 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11214 widen_ssumv8hi): New.
11216 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11219 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11222 * c-decl.c (add_flexible_array_elts_to_size): New function.
11223 (finish_decl): Use it.
11225 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11227 * diagnostic.h: Include options.h.
11228 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11229 dependancies for diagnostic.h.
11230 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11232 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11234 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11235 (ssa_ro_call_cache_valid): Ditto.
11236 * tree-ssa-alias.c (sort_tags_by_id): New function.
11237 (init_transitive_clobber_worklist): Ditto.
11238 (add_to_worklist): Ditto.
11239 (mark_aliases_call_clobbered): Ditto.
11240 (compute_tag_properties): Ditto.
11241 (set_initial_properties): Ditto.
11242 (compute_call_clobbered): Ditto.
11243 (compute_may_aliases): Call compute_call_clobbered and grouping.
11244 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11245 (compute_flow_insensitive_aliasing): Grouping now happens in our
11247 (setup_pointers_and_addressables): Remove clobbering related code.
11248 (add_may_alias): Ditto.
11249 (replace_may_alias): Ditto.
11250 (get_nmt_for): Ditto.
11251 (create_global_var):
11252 (is_escape_site): Return an escape_type enumeration.
11253 * tree-flow-inline.h (is_call_clobbered): Global var does not
11254 imply call clobbered.
11255 (mark_call_clobbered): Take a reason for marking this. Remove
11256 marking of globalness, and cache invalidation.
11257 (clear_call_clobbered): Remove cache invalidation code.
11258 * tree-dfa.c (dump_variable): If details is on, dump the reason
11260 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11262 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11263 (struct var_ann_d): Ditto.
11264 (enum escape_type): New.
11265 (mark_call_clobbered): Adjust prototype.
11266 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11267 are never call clobbered.
11268 Record reasons for escaping.
11269 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11270 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11271 (ssa_ro_call_cache_valid): Ditto.
11272 (clobbered_v_may_defs): Ditto.
11273 (clobbered_vuses): Ditto.
11274 (ro_call_vuses): Ditto.
11275 (clobber_stats): New.
11276 (init_ssa_operands): Zero out clobber stats.
11277 (fini_ssa_operands): Print out clobber stats.
11278 (get_call_expr_operands): Pass callee fndecl to
11279 add_call_read_ops).
11280 (add_call_clobber_ops): Remove use of cache.
11281 Add use of PURE_CONST information.
11282 (add_call_read_ops): Remove use of cache.
11283 Add use of static not_read information.
11285 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11287 Introduce TLS descriptors for i386 and x86_64.
11288 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11289 (TARGET_ANY_GNU_TLS): New macro.
11290 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11291 (struct machine_function): Add tls_descriptor_call_expanded_p.
11292 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11293 (ix86_current_function_calls_tls_descriptor): Likewise.
11294 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11295 (override_options): Introduce gnu2 tls dialect.
11296 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11298 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11300 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11301 (ix86_init_machine_status): Initialize new field.
11302 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11303 (ix86_tls_module_base): New.
11304 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11305 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11306 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11307 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11308 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11309 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11310 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11311 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11312 * config/i386/predicates.md (tls_modbase_operand): New.
11313 (tp_or_register_operand): New.
11315 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11317 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11318 (look_for_address_of): Ditto.
11319 (ipa_init): Walk the function decls.
11320 (static_execute): Don't set readonly on FUNCTION_DECL's.
11322 2006-01-18 Roger Sayle <roger@eyesopen.com>
11324 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11325 for shifts where the source and destination registers are different.
11327 2006-01-18 Paul Brook <paul@codesourcery.com>
11329 Merge from csl-arm-branch.
11330 2005-03-14 Julian Brown <julian@codesourcery.com>
11331 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11332 (aeabi_llsl): Likewise.
11333 (ashrdi3): Likewise.
11334 (aeabi_lasr): Likewise.
11335 (lshrdi3): Likewise.
11336 (aeabi_llsr): Likewise.
11337 2005-03-10 Julian Brown <julian@codesourcery.com>
11338 * config.gcc: Disable shared libgcc for SymbianOS.
11339 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11341 2006-01-18 DJ Delorie <dj@redhat.com>
11343 * c-pragma.c (handle_pragma_diagnostic): New.
11344 (init_pragma): Register it.
11345 * doc/extend.texi: Document it.
11347 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11348 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11349 (diagnostic_context): Add classify_diagnostic[].
11350 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11351 as errors if they're overridden to DK_WARNING.
11352 (diagnostic_initialize): Initialize classify_diagnostic[].
11353 (diagnostic_set_kind_override): New.
11354 (diagnostic_report_diagnostic): Check for kind changes.
11355 * opts.c (common_handle_option): Take lang_mask. Update callers.
11356 Handle OPT_Werror_.
11357 * common.opt (Werror=): New.
11358 * doc/invoke.texi: Document -Werror=*
11360 2006-01-18 Jeff Law <law@redhat.com>
11362 * tree-vrp.c (test_for_singularity): Correct test for new
11363 min limit. Use operand_equal_p rather than pointer equality
11364 for testing if new min/max values are equal.
11366 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11367 using range information until after propagation and folding.
11369 2006-01-18 Richard Henderson <rth@redhat.com>
11370 Aldy Hernandez <aldyh@redhat.com>
11371 Jakub Jelinek <jakub@redhat.com>
11372 Diego Novillo <dnovillo@redhat.com>
11374 * omp-low.c: New file.
11375 * c-omp.c: New file.
11377 2006-01-18 Richard Henderson <rth@redhat.com>
11378 Jakub Jelinek <jakub@redhat.com>
11379 Diego Novillo <dnovillo@redhat.com>
11381 * doc/invoke.texi: Document -fopenmp.
11382 * tree-dump.h (debug_function): Declare.
11383 * hooks.c (hook_bool_tree_bool_false): New function.
11384 (hook_tree_tree_null): Remove.
11385 (hook_tree_tree_tree_null): New.
11386 * hooks.h: Update to match.
11387 * tree-pretty-print.c (debug_tree_chain): New.
11388 (print_generic_expr): Handle TDF_CHAIN.
11389 (dump_generic_node): Handle BLOCK.
11390 Do not abort with incomplete SWITCH_EXPRs.
11391 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11392 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11393 print space after directive name.
11394 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11395 Handle OMP_MASTER and OMP_ORDERED.
11396 Handle printing of OMP_BODY just in one place, goto
11397 dump_omp_body in the rest of OMP_* nodes that have
11399 Don't handle clause nodes here. Update omp statements to
11400 use dump_omp_clauses.
11401 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11402 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11403 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11404 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11405 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11406 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11407 Adjust output for GOMP_PARALLEL.
11408 (dump_omp_clauses): New.
11409 (print_declaration): Dump DECL_VALUE_EXPR.
11410 (op_symbol_1): Split out of op_symbol.
11411 (dumping_stmts): Remove. Update all users.
11412 * cgraph.c (cgraph_analyze_queue): New.
11413 (cgraph_add_new_function): New.
11414 * cgraph.h (cgraph_analyze_queue): Declare.
11415 (cgraph_add_new_function): Declare.
11416 (cgraph_lower_function): Remove.
11417 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11418 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11419 and TYPE_P nodes in its default clause.
11420 (empty_body_p): New.
11421 (tree_range_check_failed): New.
11422 (build5_stat): New.
11423 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11424 OMP_CLAUSE_REDUCTION_MERGE,
11425 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11426 OMP_CLAUSE_PRIVATE_DEBUG,
11427 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11428 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11429 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11430 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11431 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11432 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11433 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11434 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11435 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11436 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11437 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11438 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11439 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11440 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11441 (TREE_RANGE_CHECK): New.
11442 (empty_body_p): Declare.
11443 (enum omp_clause_default_kind): New.
11444 (build_string_literal): Declare.
11445 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11446 (build5_stat, build5): Declare.
11447 * tree-pass.h (TDF_CHAIN): Define.
11448 * tree-pass.h (PROP_gimple_lomp): Define.
11449 (pass_lower_omp): Declare.
11450 * diagnostic.h (debug_tree_chain): Declare.
11451 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11453 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11454 * builtins.c (build_string_literal): Make extern.
11455 * gcc.c (include_spec_function): New.
11456 (static_spec_functions): Add it.
11457 (main): Move load of libgomp.spec ...
11458 (LINK_COMMAND_SPEC): ... here.
11459 (link_gomp_spec): New.
11460 (static_specs): Include it.
11461 (LINK_COMMAND_SPEC): Add link_gomp.
11462 (GOMP_SELF_SPECS): New.
11463 (driver_self_specs): Include it.
11464 (switch_matches): Don't mark inline.
11465 (main): Load libgomp.spec.
11466 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11467 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11468 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11469 * tree-gimple.h (enum omp_parallel): Declare.
11470 (determine_parallel_type): Declare.
11471 (omp_firstprivatize_variable): Declare.
11472 (omp_reduction_init): Declare.
11473 (diagnose_omp_structured_block_errors): Declare.
11474 (struct walk_stmt_info): Add want_return_expr.
11475 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11476 (find_omp_clause): Declare.
11477 (insert_field_into_struct): Declare.
11478 (struct walk_stmt_info): Move from tree-nested.c
11479 (walk_stmts): Declare.
11480 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11482 * cgraphunit.c (cgraph_lower_function): Make static.
11483 (cgraph_finalize_pending_functions): New.
11484 (cgraph_finalize_function): Call it.
11485 (cgraph_finalize_compilation_unit): Likewise.
11486 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11487 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11488 (BT_FN_UINT_UINT): New.
11489 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11490 DEF_FUNCTION_TYPE_VAR_4): Document.
11491 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11492 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11493 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11494 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11495 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11496 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11497 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11498 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11499 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11500 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11501 into separate files.
11502 (DEF_GOMP_BUILTIN): New.
11503 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11504 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11505 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11506 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11507 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11508 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11509 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11510 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11511 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11512 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11513 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11514 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11515 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11516 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11517 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11518 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11519 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11520 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11521 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11522 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11523 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11524 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11525 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11526 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11527 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11528 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11529 * sync-builtins.def: New file, moved from builtins.def.
11530 * omp-builtins.def: New file, moved from builtins.def.
11531 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11532 * gimple-low.c (lower_function_body): Clear data.
11533 (lower_stmt): Do not handle COMPOUND_EXPR.
11534 Remove call to print_node_brief.
11535 * c-tree.h (c_finish_omp_clauses): New prototype.
11536 (C_DECL_THREADPRIVATE_P): Define.
11537 (lookup_name_no_remap, c_omp_remap_private): Remove
11538 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11539 (check_for_loop_decls): Update decl.
11540 (lookup_name_no_remap, c_omp_remap_private): Declare.
11541 (build_indirect_ref, build_modify_expr, pushdecl,
11542 pushdecl_top_level): Move to c-common.h.
11543 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11544 before the switch, but just in the 2 places that need it.
11545 * c-decl.c (diagnose_mismatched_decls): Do not check for
11546 mismatched thread-local attributes when OLDDECL is marked
11547 threadprivate and NEWDECL has no thread-local attributes.
11548 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11549 (c_gimple_diagnostics_recursively): Rename from
11550 c_warn_unused_result_recursively. Invoke
11551 diagnose_omp_structured_block_errors.
11552 (check_for_loop_decls): Return a singular decl found.
11553 * langhooks.c (lhd_omp_predetermined_sharing): Return
11554 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11555 (lhd_omp_firstprivatize_type_sizes): New.
11556 (lhd_omp_assignment): New.
11557 (lhd_omp_predetermined_sharing): New.
11558 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11559 (struct lang_hooks_for_types): Add
11560 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11561 omp_predetermined_sharing, omp_disregard_value_expr,
11562 omp_private_debug_clause, omp_clause_default_ctor,
11563 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11564 (c_finish_omp_clauses): New.
11565 (c_finish_bc_stmt): Diagnose break within omp for.
11566 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11567 (build_unary_op): Return error_mark after reporting
11569 (build_modify_expr): Likewise.
11570 * gimplify.c: Include optabs.h and pointer-set.h.
11571 (enum gimplify_omp_var_data): Declare.
11572 (struct gimplify_omp_ctx): Declare.
11573 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11575 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11576 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11577 (splay_tree_compare_decl_uid): New.
11578 (new_omp_context): New.
11579 (delete_omp_context): New.
11580 (gimple_add_tmp_var): Call omp_add_variable.
11581 (gimplify_bind_expr): Likewise.
11582 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11583 true, disregard DECL_VALUE_EXPR on the decl if any.
11584 (gimplify_expr_in_ctx): New.
11585 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11586 omp_add_variable, omp_notice_variable, omp_is_private
11587 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11588 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11589 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11590 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11591 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11592 gimplify_omp_atomic): New.
11593 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11594 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11595 OMP_CRITICAL and OMP_ATOMIC.
11596 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11597 * c-pragma.h (enum pragma_kind): Add
11598 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11599 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11600 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11601 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11602 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11603 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11604 PRAGMA_OMP_THREADPRIVATE.
11605 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11606 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11607 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11608 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11609 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11610 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11611 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11612 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11613 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11614 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11615 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11616 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11617 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11619 (struct nesting_info): Add field_map,
11620 suppress_expansion, debug_var_chain.
11621 (create_nesting_tree): Initialize them.
11622 (lookup_field_for_decl): Use field_map.
11623 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11624 (convert_local_omp_clauses): New.
11625 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11626 (walk_body): Split out of walk_function.
11627 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11628 (convert_nonlocal_reference): Handle omp statements.
11629 (convert_local_reference): Likewise.
11630 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11631 (unnest_nesting_tree): New.
11632 (lower_nested_functions): Call it.
11633 (insert_field_into_struct): Make extern.
11634 (struct walk_stmt_info): Move to tree-gimple.h.
11635 (walk_stmts): Make extern.
11636 * omp-builtins.def: New file.
11637 * tree-iterator.c (expr_only): Clarify comment.
11638 * c-common.h (pushdecl_top_level, pushdecl,
11639 build_modify_expr, build_indirect_ref,
11640 c_finish_omp_master, c_finish_omp_critical,
11641 c_finish_omp_ordered, c_finish_omp_barrier,
11642 c_finish_omp_atomic, c_finish_omp_flush,
11643 c_finish_omp_for, c_split_parallel_clauses,
11644 omp_clause_default_kind, c_omp_sharing_predetermined,
11645 c_omp_remap_decl): Declare.
11646 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11647 (OBJS-common): Add omp-low.o.
11648 (c-omp.o, omp-low.o): Add.
11649 (gimplify.o): Add dependency on $(OPTABS_H).
11650 (GTFILES): Add omp-low.c.
11651 (gt-stringpool.h): Add.
11652 * tree-cfg.c (set_bb_for_stmt): Do not update the
11653 block-to-labels map if we are currently expanding to RTL.
11654 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11656 Handle IDENTIFIER_NODE.
11657 (tree_verify_flow_info): Do not ICE when emitting error
11658 messages about invalid labels.
11659 (dump_function_to_file): Reset CFUN before emitting the body
11661 (debug_function): New.
11662 * passes.c (init_optimization_passes): Schedule
11664 * langhooks-def.h (lhd_omp_predetermined_sharing,
11665 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11667 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11668 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11669 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11670 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11671 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11672 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11673 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11674 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11675 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11676 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11677 (LANG_HOOK_DECLS): Use them.
11679 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11680 Richard Henderson <rth@redhat.com>
11681 Jakub Jelinek <jakub@redhat.com>
11682 Diego Novillo <dnovillo@redhat.com>
11684 * c-parser.c (pragma_omp_clause): Define.
11685 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11686 (c_parser_compound_statement): Likewise.
11687 (c_parser_statement): Likewise.
11688 (c_parser_pragma): Handle omp pragmas.
11689 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11690 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11691 (c_parser_omp_clause_name, check_no_duplicate_clause,
11692 c_parser_omp_variable_list,
11693 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11694 c_parser_omp_clause_copyprivate,
11695 c_parser_omp_clause_default,
11696 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11697 c_parser_omp_clause_lastprivate,
11698 c_parser_omp_clause_nowait,
11699 c_parser_omp_clause_num_threads,
11700 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11701 c_parser_omp_clause_reduction,
11702 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11703 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11704 c_parser_omp_atomic, c_parser_omp_barrier,
11705 c_parser_omp_critical, c_parser_omp_flush,
11706 c_parser_omp_for_loop, c_parser_omp_for,
11707 c_parser_omp_master, c_parser_omp_ordered,
11708 c_parser_omp_sections_scope, c_parser_omp_sections,
11709 c_parser_omp_parallel, c_parser_omp_single,
11710 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11711 * c-pragma.c (init_pragma): Do omp pragma registration here.
11712 * c.opt (fopenmp): New flag.
11714 2006-01-18 Eric Christopher <echristo@apple.com>
11716 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11717 * config/darwin.h (GOMP_SELF_SPECS): Define.
11719 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11721 * rtl.h: Remove the prototype for reg_alloc.
11723 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11726 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11727 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11728 sjlj and dwarf2 exception handling.
11729 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11730 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11731 * pa/pa.c (function_value): Treat complex and vector types as
11733 (function_arg): Likewise. Only pass scalar floats in the floating
11734 point argument registers.
11735 * pa/t-slibgcc-dwarf-ver: New file.
11736 * pa/t-slibgcc-sjlj-ver: New file.
11737 * pa/t-slibgcc-elf-ver: Delete file.
11739 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11741 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11742 unlikely_test_section_p test.
11744 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11746 * mode-switching.c (optimize_mode_switching): Make it static.
11747 * basic-block.h: Remove the prototype for
11748 optimize_mode_switching.
11750 * modulo-sched.c (sms_schedule): Make it static.
11751 * rtl.h: Remove the prototype for sms_schedule.
11753 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11754 * rtl.h: Remove the prototype for gcse_after_reload_main.
11756 * reg-stack.c (reg_to_stack): Make it static.
11757 * rtl.h: Remove the prototype for reg_to_stack.
11759 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11761 * rtl.h: Remove the prototypes for regrename_optimize and
11762 copyprop_hardreg_forward.
11764 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11766 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11767 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11768 Test against the appropriate null constant for the mode.
11769 If 'fixup_overlap' is true, swap the operands if they overlap.
11770 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11771 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11772 alpha_split_tmode_pair and adjust for above change.
11773 * config/alpha/alpha.md (movtf_internal): Adjust call to
11774 alpha_split_tfmode_pair and rely on it to swap the operands.
11775 (movti_internal): New insn and post-reload splitter.
11776 (movti): New expander.
11778 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11780 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11783 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11785 * rtlanal.c (global_reg_mentioned_p_1,
11786 global_reg_mentioned_p): Remove.
11787 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11789 * flow.c (initialize_uninitialized_subregs): Make it static.
11790 * rtl.h: Remove the prototype for
11791 initialize_uninitialized_subregs.
11793 * function.c (instantiate_virtual_regs): Make it static.
11794 * function.h: Remove the prototype for
11795 instantiate_virtual_regs.
11797 * regmove.c (regmove_optimize, combine_stack_adjustments):
11799 * rtl.h: Remove the prototypes for regmove_optimize and
11800 combine_stack_adjustments.
11802 2006-01-17 Roger Sayle <roger@eyesopen.com>
11804 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11805 (size_cost): Encode costs in bytes so that a reg-reg addition is
11806 equivalent to COSTS_N_INSNS(1).
11807 (override_options): Use the size_cost.branch_cost as the default
11808 ix86_branch_cost when optimizing for size.
11810 2006-01-18 Ben Elliston <bje@au.ibm.com>
11812 * Makefile.in (D32PBIT_FUNCS): New.
11813 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11814 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11815 D64PBIT_FUNCS and D128PBIT_FUNCS.
11816 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11817 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11819 (decnumber_dep): Define.
11820 * doc/libgcc.texi (Decimal float library routines): New node.
11821 * config/dfp-bit.h, config/dfp-bit.c: New files.
11823 2006-01-18 Ben Elliston <bje@au.ibm.com>
11825 * expr.c (emit_move_change_mode): Always adjust addresses, not
11826 just during reload. Copy replacements only during reload.
11827 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11828 emit_move_via_integer.
11830 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11832 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11833 instead of $(srcdir) and ${srcdir}.
11835 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11838 PR middle-end/11135
11839 * arm.h (struct machine_function): Add pic_reg.
11840 * arm.c (arm_pic_register): Make unsigned.
11841 (arm_override_options): Only set arm_pic_register if
11842 TARGET_SINGLE_PIC_BASE.
11843 (use_return_insn): Only test for a pic register if it is fixed.
11844 (arm_compute_save_reg0_reg12_mask): Likewise.
11845 (thumb_compute_save_reg_mask): Likewise.
11846 (legitimate_pic_operand): Factor out some known invariants.
11847 (legitimize_pic_address): If we don't have a fixed pic register,
11848 then set up a pseudo in the function entry sequence. Handle the
11849 pic base being in a pseudo.
11850 (arm_load_pic_register): Handle the pic register being in a pseudo.
11851 (arm_expand_prologue): Only set up the pic register if it is fixed.
11852 (thumb_expand_prologue): Likewise.
11853 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11854 (pic_load_addr_based_insn): Likewise.
11855 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11858 2006-01-18 Ben Elliston <bje@au.ibm.com>
11860 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11861 decimal float modes for all floating point registers.
11863 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11864 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11866 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11869 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11870 even when the pointer is not NULL.
11872 2006-01-16 Ian Lance Taylor <ian@airs.com>
11874 * common.opt (ftoplevel-reorder): New option.
11875 * cgraph.c (cgraph_asm_nodes): New global variable.
11876 (cgraph_asm_last_node): New static variable.
11877 (cgraph_order): New global variable.
11878 (cgraph_create_node): Set new order field.
11879 (cgraph_varpool_node): Likewise.
11880 (decide_is_variable_needed): Return true if not
11881 flag_toplevel_reorder.
11882 (cgraph_add_asm_node): New function.
11883 * cgraph.h (struct cgraph_node): Add order field.
11884 (struct cgraph_varpool_node): Add order field.
11885 (struct cgraph_asm_node): Define.
11886 (cgraph_asm_nodes, cgraph_order): Declare.
11887 (cgraph_add_asm_node): Declare.
11888 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11890 (cgraph_varpool_assemble_pending_decls): Call it.
11891 (cgraph_output_pending_asms): New static function.
11892 (cgraph_finalize_compilation_unit): Call it.
11893 (struct cgraph_order_sort): Define.
11894 (cgraph_output_in_order): New static function.
11895 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11896 !flag_toplevel_reorder case.
11897 * c-parser.c: Include "cgraph.h".
11898 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11900 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11901 than -fno-unit-at-a-time.
11902 * doc/invoke.texi (Option Summary): Mention
11903 -fno-toplevel-reorder.
11904 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11905 -funit-at-a-time documentation.
11907 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11908 Kazu Hirata <kazu@codesourcery.com>
11910 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11912 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11914 * Makefile.in (FUNCTION_H): New. Use it instead of
11915 function.h throughout the file.
11916 * function.h: Include tree.h.
11918 2006-01-17 Ben Elliston <bje@au.ibm.com>
11920 * recog.c: Separate some functions with whitespace.
11922 2006-01-16 Richard Henderson <rth@redhat.com>
11924 Merge from gomp branch:
11925 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11926 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11927 and rename from struct inline_data. Rename callee* to dst*;
11928 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11929 transform_new_cfg, transform_return_to_modify, and
11930 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11932 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11933 (copy_decl_for_dup): Remove.
11934 * tree-inline.c (struct inline_data): Move to header.
11935 (insert_decl_map): Export.
11936 (remap_decl): Update for member name changes. Use copy_decl hook.
11937 Allow for replacement to be a non-decl. Remove dead code.
11938 (remap_type_1): Check for existing mapping.
11939 (remap_type): Export.
11940 (remap_decls): Update for member name changes.
11941 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11942 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11943 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11944 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11945 (tree_function_versioning, build_duplicate_type): Likewise.
11946 (copy_body_r): Likewise. Export.
11947 (copy_decl_for_dup): Split into ...
11948 (copy_decl_for_dup_finish, copy_decl_to_var,
11949 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11950 (replace_ref_tree, inlining_p): Remove.
11952 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11954 * ifcvt.c (if_convert): Make it static.
11955 * rtl.h: Remove the prototype for if_convert.
11957 * local-alloc.c (local_alloc): Make it static.
11958 * rtl.h: Remove the prototype for local_alloc.
11960 * loop.c (loop_optimize): Make it static.
11961 * cfgloop.h: Remove the prototype for loop_optimize.
11964 2006-01-16 DJ Delorie <dj@redhat.com>
11966 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11969 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11971 * pa.md: Disparage copies between general and floating-point registers
11972 in 32-bit move patterns.
11974 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11977 * Makefile.in (check-%): Depend on site.exp instead of
11978 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11981 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11983 * global.c (global_alloc): Make it static.
11984 * rtl.h: Remove the prototype for global_alloc.
11986 2006-01-16 Richard Guenther <rguenther@suse.de>
11988 * tree-ssa-alias.c (struct used_part): Add write_only field.
11989 (get_or_create_used_part_for): Initialize it to true.
11990 (create_overlap_variables_for): Don't create structure variables
11991 for structures that only are written to.
11992 (find_used_portions): Handle MODIFY_EXPR to track whether a
11993 structure is only written to.
11995 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11997 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11999 * basic-block.h: Remove the prototype for
12000 partition_hot_cold_basic_blocks.
12002 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12004 * cppspec.c (lang_specific_spec_functions): Remove.
12005 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12006 * gcc.h (lang_specific_spec_functions): Remove.
12007 * gccspec.c (lang_specific_spec_functions): Remove.
12009 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12011 * combine.c (record_value_for_reg): Invalidate registers
12013 (record_dead_and_set_regs_1): Likewise, by passing them to
12014 record_value_for_reg.
12015 (record_dead_and_set_regs): Invalidate stores made by a
12016 call. We do not combine across a call, but we still
12017 relied on equivalences.
12019 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12021 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12022 vrp_int_const_binop returning non-constant nodes.
12024 2006-01-16 Paul Brook <paul@codesourcery.com>
12026 * config/m68k/m68k.c (output_move_const_into_data_reg):
12027 Output correct mnemonic for mvz and mvs.
12029 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12031 * rtl-factoring.c: Add sequence abstraction algorithm.
12032 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12033 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12035 (block_has_preserve_label): New function.
12036 * common.opt: Register new pass.
12037 * Makefile.in: Ditto.
12039 * timevar.def: Ditto.
12040 * tree-pass.h: Ditto.
12041 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12042 * rtl.h (make_jump_insn_raw): Add forward decl.
12043 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12045 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12046 Roger Sayle <roger@eyesopen.com>
12048 * fold-const.c (fold_minmax): New static function.
12049 (fold_binary) <MIN_EXPR>: Call it.
12050 <MAX_EXPR>: Likewise.
12051 * stor-layout.c (place_field): Use DECL_SIZE consistently
12052 in the computation of the new record size.
12054 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12056 * cse.c (cse_condition_code_reg): Make it static.
12057 * rtl.h: Remove the prototype for cse_condition_code_reg.
12059 * combine.c (combine_instructions): Make it static.
12060 * rtl.h: Remove the prototype for combine_instructions.
12062 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12065 * tree.c (get_file_function_name_long): Concatenate the first global
12066 object name with a string derived from the input filename of the object
12069 2006-01-16 Ben Elliston <bje@au.ibm.com>
12071 * config/i386/winnt-stubs.c: Update FSF address.
12072 * config/xtensa/ieee754-df.S: Ditto.
12073 * config/xtensa/ieee754-sf.S: Ditto.
12075 2006-01-14 Ian Lance Taylor <ian@airs.com>
12077 * ifcvt.c (noce_init_if_info): New static function, broken out of
12078 noce_process_if_block.
12079 (noce_process_if_block): Call noce_init_if_info.
12080 (check_cond_move_block): New static function.
12081 (cond_move_process_if_block): New static function.
12082 (process_if_block): Call cond_move_process_if_block.
12084 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12086 * cselib.c (hash_table): Rename to cselib_hash_table.
12087 (cselib_clear_table, discard_useless_values,
12088 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12089 cselib_init, cselib_finish): Adjust uses of hash_table.
12091 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12093 PR tree-optimization/25485
12094 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12095 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12096 is known to be false and true, respectively.
12098 2006-01-14 Richard Guenther <rguenther@suse.de>
12100 PR tree-optimization/22548
12101 PR tree-optimization/22555
12102 PR tree-optimization/22501
12103 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12104 * params.def (salias-max-array-elements): New parameter.
12105 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12106 * doc/invoke.texi (salias-max-array-elements): Document.
12107 * tree-flow-inline.h (var_can_have_subvars): We also handle
12109 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12111 * tree-ssa-structalias.c (params.h): Include.
12112 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12113 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12114 (get_constraint_for): For ADDR_EXPR operating on something
12115 containing an ARRAY_REF, add all subvars to the solution.
12116 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12117 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12118 for creating MUST_DEFs.
12119 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12121 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12123 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12125 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12126 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12127 number_of_iterations_le): New functions.
12128 (number_of_iterations_special): Removed.
12129 (number_of_iterations_exit): Do not use number_of_iterations_special.
12130 * tree.c (unsigned_type_for): Always return integer type.
12132 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12133 Richard Guenther <rguenther@suse.de>
12135 PR rtl-optimization/24257
12136 * gcse.c (find_moveable_store): Only consider a store movable
12137 when the SET_SRC of the insn can be assigned to a register.
12139 2006-01-14 Ian Lance Taylor <ian@airs.com>
12141 * tree.c (tree_not_class_check_failed): New function.
12142 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12143 (tree_not_class_check_failed): Declare.
12145 2006-01-13 Ian Lance Taylor <ian@airs.com>
12147 * reload1.c (do_output_reload): Add assertion rejecting a
12150 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12152 * combine.c (struct reg_stat): Add new fields truncation_label and
12154 (record_value_for_reg): Reset truncated_to_mode.
12155 (record_truncated_value): New function.
12156 (check_promoted_subreg): Call it. Rename to check_conversions.
12157 (combine_instructions): Rename check_promoted_subreg to
12159 (reg_truncated_to_mode): New function.
12160 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12161 (gen_lowpart_or_truncate): New function.
12162 (force_to_mode): Use it instead of gen_lowpart.
12164 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12166 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12167 VAR is a tag, not its type tag.
12169 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12171 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12172 alternatives to match style of other entries.
12173 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12175 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12177 PR tree-optimization/25771
12178 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12181 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12184 * tree-inline.c (declare_return_variable): If the return variable
12185 was marked as a non gimple complex, set the return slot variable
12186 to be a non gimple comple variable.
12188 2006-01-13 Richard Guenther <rguenther@suse.de>
12190 * builtins.c (expand_builtin_sincos): New function.
12191 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12193 (expand_builtin): Expand sincos using expand_builtin_sincos.
12195 2006-01-12 DJ Delorie <dj@redhat.com>
12197 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12198 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12199 so that constant shifts can be split.
12200 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12201 (m32c_valid_pointer_mode): Make static.
12202 (shift_gen_func_for): New.
12203 (m32c_prepare_shift): Use it. Split large const shifts into
12205 * config/m32c/predicates.md (shiftcount_operand): Allow more
12207 (longshiftcount_operand): New.
12208 * doc/md.texi (Machine Constraints): Document In6.
12210 2006-01-13 Ben Elliston <bje@au.ibm.com>
12212 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12213 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12216 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12218 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12219 to try to avoid clobbering pieces of structures when we know
12220 something about the whole structure.
12221 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12223 2006-01-13 Ben Elliston <bje@au.ibm.com>
12225 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12226 return in memory, as this is no limitation is no longer present.
12228 2006-01-12 DJ Delorie <dj@redhat.com>
12230 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12231 mova with fb, and for fb+0 -> An.
12233 * config/m32c/mov.md (peephole2): Fix enabling logic.
12235 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12236 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12237 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12238 FINI_ARRAY_SECTION_ASM_OP): Define.
12240 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12242 (m32c_legitimize_reload_address): New logic to reload FB to An.
12243 (m32c_output_reg_push): Add newline.
12244 (m32c_output_reg_pop): Likewise.
12246 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12248 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12250 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12252 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12254 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12256 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12259 2006-01-11 Ben Elliston <bje@au.ibm.com>
12261 * rtlanal.c (find_reg_note): Assert insn is not null.
12263 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12265 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12268 2006-01-11 Jeff Law <law@redhat.com>
12270 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12272 (mark_threaded_blocks, register_jump_thread): New functions.
12273 (thread_through_all_blocks): Remove unwanted argument. No
12274 longer rely on e->aux to communicate thread target info.
12275 Call mark_threaded_blocks. Release the threaded_blocks
12276 bitmap and threaded_edges vector when complete.
12277 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12278 (threaded_blocks): Remove.
12279 (tree_ssa_dominator_optimize): Remove initialization and
12280 finalization of threaded_blocks. Simplify call to
12281 thread_through_all_blocks.
12282 (thread_across_edge): Call register_jump_thread rather than
12283 storing thread information into e->aux.
12284 (free_all_edge_infos): Simplify now that e->aux is no longer
12285 used to communicate with thread_through_all_blocks.
12286 * tree-flow.h (thread_through_all_blocks): Update prototype.
12287 (register_jump_thread): Prototype.
12289 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12291 * df-core.c (df_compact_blocks, df_bb_replace): Use
12292 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12294 2006-01-11 Richard Guenther <rguenther@suse.de>
12296 PR tree-optimization/25734
12297 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12298 stop propagation after successful propagation to the LHS.
12300 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12302 * basic-block.h (control_flow_graph): Change the type of
12303 x_basic_block_info to VEC(basic_block,gc) *.
12304 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12306 (SET_BASIC_BLOCK): New.
12307 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12308 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12309 * cfgbuild.c (find_basic_blocks): Likewise.
12310 * cfglayout.c (fixup_reorder_chain): Likewise.
12311 * cfgrtl.c (create_basic_block_structure,
12312 rtl_create_basic_block): Likewise.
12313 * ifcvt.c (find_if_case_1): Likewise.
12314 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12317 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12319 * Makefile.in: Removed rotted odf.c entry.
12321 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12324 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12325 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12326 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12327 output pattern modifier, not %e.
12328 * config/cris/cris.c (cris_op_str): Update comment about pattern
12330 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12331 before falling through into...
12332 <case 'E'>: Redefined from old 'e' case.
12334 2006-01-11 Jan Hubicka <jh@suse.cz>
12337 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12339 2006-01-11 Jan Hubicka <jh@suse.cz>
12341 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12342 * i386.c (x86_decompose_lea): Kill.
12343 (ix86_rtx_costs): Kill.
12345 2006-01-11 Jan Hubicka <jh@suse.cz>
12347 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12348 * cgraph.h (cgraph_node): Add inline_decl.
12349 (cgraph_insert_node_to_hashtable): Declare.
12350 (save_inline_function_body): Declare.
12351 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12353 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12354 (cgraph_function_versioning): Update call of tree_function_versioning.
12355 (save_inline_function_body): New function.
12356 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12357 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12358 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12359 (cgraph_default_inline_p): Likewise.
12360 (cgraph_decide_inlining_incrementally): Likewise.
12361 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12362 (copy_bb): Kill saving; do updating of clones.
12363 (copy_cfg_body): Kill saving.
12364 (initialize_inlined-parameters): Likewise.
12365 (expand_call_inline): Likewise.
12367 (tree_function_versioning): New parameter "update_clones".
12368 (inlining_p): Kill saving.
12369 * tree-inline.h (tree_function_versioning): Update prototype.
12370 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12373 2006-01-11 Ian Lance Taylor <ian@airs.com>
12375 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12376 Allow undoing set of machine mode.
12377 (do_SUBST): Use enums instead of is_int.
12378 (do_SUBST_MODE): New function.
12379 (SUBST_MODE): New macro.
12380 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12381 reg and trying to replace reg_regno_rtx with a new register.
12382 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12383 (simplify_set): Use SUBST_MODE.
12384 (distribute_notes): Remove code that tried to update reg notes
12385 for regno_reg_rtx changes.
12387 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12389 PR tree-optimization/23109
12390 PR tree-optimization/23948
12391 PR tree-optimization/24123
12393 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12394 * tree-cfg.c (single_noncomplex_succ): New.
12395 * tree-flow.h (single_noncomplex_succ): Declare it.
12396 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12397 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12398 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12399 insert_bb, register_division_in, insert_reciprocals,
12400 replace_reciprocal, free_bb): New.
12401 (execute_cse_reciprocals_1): Rewritten.
12402 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12403 Do not commit any edge insertion. Always compute dominators and
12404 create the allocation pool.
12405 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12406 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12407 * targhooks.c (default_min_divistions_for_recip_mul): New.
12408 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12409 * passes.c (init_optimization_passes): Run recip after tree loop
12411 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12413 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12414 Kenneth Zadeck <zadeck@naturalbridge.com>
12416 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12417 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12418 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12419 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12420 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12421 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12422 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12423 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12424 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12425 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12426 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12427 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12428 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12429 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12430 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12431 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12432 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12433 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12434 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12435 DF_SCAN_POST_ALLOC): New macros.
12436 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12437 df_free_bb_function, df_local_compute_function, df_init_function,
12438 df_dataflow_function, df_confluence_function_0,
12439 df_confluence_function_n, df_transfer_function,
12440 df_finalizer_function, df_free_function, df_dump_problem_function,
12441 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12442 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12443 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12444 df_urec_bb_info, ) New types.
12445 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12447 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12448 df_analyze_simple_change_some_blocks,
12449 df_analyze_simple_change_one_block, df_compact_blocks,
12450 df_bb_replace, df_bb_regno_last_use_find,
12451 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12452 df_insn_regno_def_p, df_find_def, df_find_use,
12453 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12454 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12455 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12456 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12457 debug_df_chain, df_get_dependent_problem, df_chain_create,
12458 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12459 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12460 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12461 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12462 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12463 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12464 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12465 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12466 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12467 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12468 df_reorganize_refs, df_set_state, df_hard_reg_init,
12469 df_read_modify_subreg_p) New public functions.
12470 * df-core.c: The core dataflow solver and glue routines for rtl
12472 (df_init, df_add_problem, df_set_blocks, df_finish,
12473 df_hybrid_search_forward, df_hybrid_search_backward,
12474 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12475 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12476 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12477 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12478 df_reg_defined, df_find_use, df_reg_used, df_dump,
12479 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12480 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12481 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12482 debug_df_useno, reset_df_after_reload): New functions.
12483 * df-scan.c: The scanning fuctions, once in df.c, completely
12484 rewritten so that they now fully model the functionality of
12485 register usage at the backend.
12486 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12487 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12488 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12489 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12490 df_get_artificial_defs, df_get_artificial_uses,
12491 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12492 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12493 df_refs_delete, df_reorganize_refs, df_set_state,
12494 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12495 df_def_record_1, df_defs_record, df_uses_record,
12496 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12497 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12498 df_record_exit_block_uses, df_hard_reg_init): New functions.
12500 * df-problems.c: Seven concrete dataflow problems that use the
12501 scanning in df-scan.c and are solved by the engine in df-core.c.
12502 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12503 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12504 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12505 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12506 df_ru_free_bb_info, df_ru_alloc,
12507 df_ru_bb_local_compute_process_def,
12508 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12509 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12510 df_ru_transfer_function, df_ru_free, df_ru_dump,
12511 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12512 df_rd_free_bb_info, df_rd_alloc,
12513 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12514 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12515 df_rd_transfer_function, df_rd_free, df_rd_dump,
12516 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12517 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12518 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12519 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12520 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12521 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12522 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12523 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12524 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12525 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12526 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12527 df_urec_mark_reg_use_for_earlyclobber,
12528 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12529 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12530 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12531 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12532 df_chain_create_bb_process_use, df_chain_create_bb,
12533 df_chain_finalize, df_chain_free, df_chains_dump,
12534 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12535 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12536 df_reg_lifetime): New functions.
12537 * df.c: Deleted file.
12538 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12539 consistent with new df api.
12540 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12541 rest_of_handle_sms): Ditto.
12542 * web.c (unionfind_union, union_defs, entry_register, web_main):
12544 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12545 invariant_expr_equal_p, find_defs, check_dependencies,
12546 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12547 free_inv_motion_data, move_loop_invariants): Ditto.
12548 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12549 Update dependencies.
12550 (odf.c): Added defective entry that was deleted later in day.
12551 * sched-deps.c (sched_analyze_1): Ditto.
12553 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12555 * tree-ssa-operands.c (get_expr_operands): Record addressable
12556 variables directly. Do not call add_stmt_operands for CONST_DECLs
12558 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12559 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12561 2006-01-11 Ben Elliston <bje@au.ibm.com>
12563 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12564 function returns true in the positive case.
12566 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12569 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12570 for SI, DI, SF and DF modes. Add alternatives to copy between
12571 general and floating point registers to the 32-bit patterns.
12572 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12573 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12574 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12575 generating 64-bit code.
12576 * config/pa/pa.c (output_move_double): Handle copies between general
12577 and floating registers.
12579 2006-01-10 Stuart Hastings <stuart@apple.com>
12581 * config/i386/i386.md (set_got): Update.
12582 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12583 (builtin_setjmp_receiver): Mach-O support.
12584 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12585 (GOT_SYMBOL_NAME): Define.
12586 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12587 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12588 * config/i386/i386.c (override_options): Revise for Darwin.
12589 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12590 support. (darwin_x86_file_end): New. (output_set_got): Add label
12591 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12592 * config/i386/i386-protos.h (output_set_got): Likewise.
12593 * config/darwin.c (machopic_legitimize_pic_address): Update
12596 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12598 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12599 when MODE isn't BLKmode.
12601 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12603 PR rtl-optimization/25367
12604 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12606 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12609 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12610 for a negative bound.
12612 2006-01-10 Richard Guenther <rguenther@suse.de>
12614 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12615 Never override with anything constraint.
12617 2006-01-10 Jan Beulich <jbeulich@novell.com>
12619 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12620 256 bits when optimize_size.
12622 2006-01-10 Jan Beulich <jbeulich@novell.com>
12624 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12626 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12627 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12630 2006-01-10 Ben Elliston <bje@au.ibm.com>
12632 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12634 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12635 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12636 (USE_FP_FOR_ARG): Reject decimal float modes.
12637 (function_arg_advance): Likewise.
12638 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12639 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12640 point types in AltiVec vectors.
12641 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12642 (rs6000_libcall_value): Likewise.
12644 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12646 * config/xtensa/ieee754-df.S: New file.
12647 * config/xtensa/ieee754-sf.S: New file.
12648 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12649 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12650 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12652 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12654 * config/sh/predicates.md (binary_float_operator,
12655 binary_logical_operator, commutative_float_operator,
12656 equality_comparison_operator, greater_comparison_operator,
12657 less_comparison_operator, logical_operator,
12658 noncommutative_float_operator, shift_operator,
12659 symbol_ref_operand, unary_float_operator): Remove redundant
12662 2006-01-09 Jeff Law <law@redhat.com>
12664 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12665 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12666 now unused arguments. Callers updated.
12667 (eliminate_redundant_computations): Remove now unused arguments,
12669 (local_fold): Remove, no longer used.
12670 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12672 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12673 (simplify_cond): New function.
12674 (forward_propagate_into_cond): Call simplify_cond.
12676 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12678 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12679 (*vec_extractv2di_1_sse): New.
12681 2006-01-09 Ben Elliston <bje@au.ibm.com>
12683 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12685 2006-01-08 Richard Guenther <rguenther@suse.de>
12687 * tree-ssa-structalias.c (get_constraint_for): Remove
12688 anyoffset argument.
12689 (get_constraint_for_component_ref): Likewise.
12690 (do_deref): Likewise.
12691 (get_constraint_for): Likewise.
12692 (do_structure_copy): Likewise.
12693 (handle_ptr_arith): Likewise.
12694 (find_func_aliases): Likewise. Remove unused need_anyoffset
12697 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12698 Kaz Kojima <kkojima@gcc.gnu.org>
12700 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12701 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12702 (EXTRA_CONSTRAINT_C16): Remove.
12703 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12704 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12705 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12706 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12707 constants of SHmedia. Handle nested constant expressions of
12709 (andcosts): Fix the costs for SHmedia constants.
12710 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12711 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12712 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12713 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12714 (movv4hi_i, movv2si_i): Likewise.
12715 (movsi_const): Adjust the second operand of ior so to match with
12716 the Csu constraint.
12717 (movdi_const, movdi_const_32bit): Likewise.
12718 (movdi_const_16bit+1): Don't sign-extend LOW.
12719 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12721 (*double_shori): Fix the split condition. Use GEN_INT instead
12722 of get_int_mode calls. Mask lower 16-bit of the argument of
12724 (sym2GOTPLT): Remove.
12725 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12727 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12728 instead of EXTRA_CONSTRAINT_C16.
12730 2006-01-07 Ian Lance Taylor <ian@airs.com>
12731 David Edelsohn <edelsohn@gnu.org>
12733 PR rtl-optimization/25662
12734 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12735 for constant operands instead of simplify_gen_binary.
12736 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12737 after trying simplify_binary_operation
12739 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12741 * tree.c (iterative_hash_expr): Hash decls based on UID.
12743 2006-01-06 Eric Christopher <echristo@apple.com>
12745 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12746 (TARGET_UNWIND_EMIT): Fix spelling.
12747 * target.h (gcc_target): Add except_table_label.
12748 * except.c (output_function_exception_table): Use.
12749 * varasm.c (default_emit_except_table_label): New.
12750 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12752 (asm_out): Add here.
12753 * output.h (default_emit_except_table_label): Prototype.
12754 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12755 * config/darwin.c (darwin_emit_except_table_label): Define.
12756 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12758 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12760 PR tree-optimization/18527
12761 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12762 number_of_iterations_special, number_of_iterations_exit):
12763 Move base and step of an iv to a single structure. Add
12764 no_overflow flag, and use it in # of iterations analysis.
12765 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12766 folded_casts argument.
12767 (simple_iv): Pass base and step in a structure. Set no_overflow
12769 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12770 Evaluate expensiveness of computing # of iterations instead of
12771 the final expression.
12772 * tree-scalar-evolution.h (affine_iv): New structure.
12773 (simple_iv): Declaration changed.
12774 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12775 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12776 find_givs_in_stmt): Changed due to simple_iv change.
12778 2006-01-06 Jeff Law <law@redhat.com>
12781 * tree-cfg.c (bsi_replace): Rename final argument from
12782 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12783 change (stmt -> orig_stmt).
12784 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12785 (bsi_remove): Add new argument. Remove EH information
12787 (verify_eh_throw_table_statements): New function.
12788 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12790 * tree-optimize.c (execute_free_cfg_annotations): Verify
12791 the EH throw statement table after removing annotations.
12792 * except.h (verify_eh_throw_table_statements): Prototype.
12793 * tree-flow.h (bsi_remove): Update prototype.
12794 * tree-vrp.c (remove_range_assertions): Add new argument to
12796 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12797 * tree-complex.c (expand_complex_div_wide): Likewise.
12798 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12799 * tree-tailcall.c (eliminate_tailcall): Likewise.
12800 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12801 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12802 * tree-nrv.c (tree_nrv): Likewise.
12803 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12804 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12805 (combine_blocks): Likewise.
12806 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12807 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12808 (cleanup_control_flow): Likewise.
12809 (remove_forwarder_block): Likewise.
12810 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12811 * tree-sra.c (sra_replace): Likewise.
12812 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12813 (forward_propagate_single_use_vars): Likewise.
12814 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12815 * tree-inline.c (expand_call_inline): Likewise.
12816 * tree-vect-transform.c (vect_transform_loop): Likewise.
12817 * tree-outof-ssa.c (rewrite_trees): Likewise.
12818 * tree-cfg.c (make_goto_expr_edges): Likewise.
12819 (cleanup_dead_labels): Likewise.
12820 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12821 (bsi_move_before, bsi_move_after): Likewise.
12822 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12823 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12825 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12828 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12830 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12831 on non gimple variables. Also add checks at the top for decls and
12833 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12835 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12836 and IMAGPART_EXPR for creating MUST_DEFs.
12837 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12838 and NAME_MEMORY_TAG separately from the DECLs.
12840 2006-01-06 Richard Guenther <rguenther@suse.de>
12842 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12843 annotation, if necessary.
12844 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12845 redundant calls to update_stmt.
12846 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12849 2006-01-05 Richard Henderson <rth@redhat.com>
12851 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12853 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12855 * c-typeck.c: Update copyright date.
12857 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12859 * c-typeck.c (build_c_cast): Always warn when casting
12860 from a pointer to an integer of different size, even if
12861 the node was constant.
12863 2006-01-05 Richard Guenther <rguenther@suse.de>
12865 PR tree-optimization/22555
12866 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12867 if one structure field is an array.
12868 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12869 operands even if we found a subvar, but ignore VOPs in this
12871 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12873 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12875 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12877 PR middle-end/24998
12878 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12880 2006-01-05 Richard Guenther <rguenther@suse.de>
12881 Diego Novillo <dnovillo@redhat.com>
12883 * tree-pass.h (TODO_remove_unused_locals): Define.
12884 * gimple-low.c (expand_var_p, remove_useless_vars,
12885 pass_remove_useless_vars): Remove. Update all users.
12886 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12887 (remove_unused_locals): New function.
12888 * tree-flow.h (remove_unused_locals): Declare.
12889 * passes.c (execute_todo): Call remove_unused_locals if
12890 TODO_remove_unused_locals is set.
12891 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12892 * tree-ssa-dce.c (pass_dce): Likewise.
12893 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12895 2006-01-05 Richard Guenther <rguenther@suse.de>
12897 * tree-flow.h (struct fieldoff): Decompose field to
12898 type, size and decl.
12899 * tree-ssa-alias.c (create_sft): Take type as parameter.
12900 (create_overlap_variables_for): Store type, size and decl
12901 in the fieldoff structure.
12902 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12903 of struct fieldoff.
12904 (push_fields_onto_fieldstack): Likewise.
12905 (create_variable_info_for): Likewise. Use offset for the
12906 SFT name if the decl is not available.
12908 2006-01-04 Paul Brook <paul@codesourcery.com>
12910 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12912 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12914 * lambda-code.c (can_put_in_inner_loop): Relax
12916 (can_put_after_inner_loop): New function.
12917 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12918 (perfect_nestify): Change to make copies and modify uses.
12920 2006-01-04 Richard Henderson <rth@redhat.com>
12922 Merge from gomp branch:
12923 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12924 via integer constant.
12925 (pragma_lex): Remove.
12926 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12927 rather than parsing it.
12928 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12929 handle_pragma_extern_prefix): Add %< %> quotes.
12930 (registered_pragmas): New.
12931 (c_register_pragma_1): New.
12932 (c_register_pragma): Use it.
12933 (c_register_pragma_with_expansion): Likewise.
12934 (c_invoke_pragma_handler): New.
12935 (init_pragma): Use cpp_register_deferred_pragma directly for
12937 * c-pragma.h (enum pragma_kind): New.
12938 (pragma_handler): New.
12939 (c_invoke_pragma_handler): Declare.
12940 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12942 * c-common.h (c_common_pch_pragma): Update decl.
12943 * Makefile.in (c-parser.o): Update dependencies.
12944 (GTFILES): Add c-pragma.h.
12945 * c-parser.c (struct c_token): Add pragma_kind.
12946 (struct c_parser): Add in_pragma.
12947 (c_lex_one_token): Always initialize keyword and pragma_kind.
12948 Extract data for CPP_PRAGMA.
12949 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12950 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12951 Don't allow CPP_PRAGMA_EOL if in_pragma.
12952 (c_parser_consume_pragma): New.
12953 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12954 (c_parser_skip_to_end_of_parameter): Likewise.
12955 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12956 (c_parser_skip_to_pragma_eol): New.
12957 (c_parser_external_declaration): Handle CPP_PRAGMA.
12958 (c_parser_compound_statement_nostart): Likewise.
12959 (c_parser_statement_after_labels): Likewise.
12960 (c_parser_pragma): New.
12961 (pragma_lex): Likewise.
12962 (c_parser_pragma_pch_preprocess): New.
12963 (c_parser_new): Merge into ...
12964 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12966 2006-01-04 Jeff Law <law@redhat.com>
12969 * tree-cfg.c (bsi_replace): Remove the original statement
12970 from the EH throw statement table.
12972 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12974 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12975 make the prototype extern "C" and add throw ().
12978 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12979 and pos non-negative and pos + len <= 32.
12980 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12981 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12982 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12985 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12986 as well as sizes not multiple of component size.
12989 * function.c (instantiate_expr): New function.
12990 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12991 walk its DECL_VALUE_EXPR with instantiate_expr.
12993 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12994 DW_OP_deref{,_size} if address isn't going to be added.
12996 2006-01-04 Ben Elliston <bje@au.ibm.com>
12998 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12999 * config/fp-bit.c: Likewise.
13001 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13003 * dominance.c: Add comment about why we use DFS numbering
13006 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13007 Richard Henderson <rth@redhat.com>
13009 Merge from gomp-branch:
13010 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13011 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13013 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13015 PR rtl-optimization/25578
13016 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13017 pass a parameter to simplify_shift_const if changing ASHIFTRT
13020 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13022 * builtins.c (get_builtin_sync_mem): New function.
13023 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13024 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13025 Call get_builtin_sync_mem to generate mem rtx.
13027 2006-01-03 Richard Guenther <rguenther@suse.de>
13030 * stmt.c (add_case_node): Make sure to clear overflow flags
13033 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13035 Merge from gomp-branch.
13036 * config/sparc/sync.md: New file.
13037 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13038 UNSPECV_LDSTUB): New constants.
13039 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13040 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13041 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13044 2006-01-03 Roger Sayle <roger@eyesopen.com>
13046 * combine.c (reg_subword_p): New predicate to test whether the
13047 destination of a set refers to a subword/piece of a register.
13048 (try_combine): Generalize the code to merge the setting of a
13049 pseudo to a constant followed by a set of a subword of that
13050 register to a constant.
13052 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13054 * basic-block.h (control_flow_graph): Change the type of
13055 x_label_to_block_map to VEC(basic_block,gc) *.
13056 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13057 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13059 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13060 VEC(basic_block,heap) *.
13061 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13062 ssa_prop_fini): Adjust the uses of cfg_blocks.
13064 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13066 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13068 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13069 hashing trees instead of a pointer hash.
13070 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13071 compare for MEM_EXPR.
13073 PR rtl-optimization/25130
13074 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13075 when comparing MEMs for GCSE
13077 2006-01-03 Ben Elliston <bje@au.ibm.com>
13079 * targhooks.h (default_decimal_float_supported_p): Declare.
13080 * targhooks.c (default_decimal_float_supported_p): Define.
13081 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13082 `default_decimal_float_supported_p'.
13083 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13085 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13087 * combine.c (apply_distributive_law <SUBREG>): Check
13088 TRULY_NOOP_TRUNCATION.
13090 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13092 * dwarf2out.c (have_switched_text_section): Delete.
13093 (have_multiple_function_sections): New.
13094 (have_location_lists): Make 'bool'.
13095 (add_AT_loc_list): Use 'true' not '1'.
13096 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13097 (output_loc_list): Use have_multiple_function_sections.
13098 (output_ranges): Likewise.
13099 (dwarf2out_begin_function): Set have_multiple_function_sections if
13101 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13102 Check function_section rather than DECL_SECTION_NAME.
13103 (dwarf2out_finish): Use have_multiple_function_sections.
13104 Don't clear have_location_lists.
13106 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13107 Jan Hubicka <jh@suse.cz>
13109 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13110 case of conditional jump jumping to the next instruction.
13111 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13112 cases of conditional jump jumping to the next instruction.
13114 2006-01-02 Jan Hubicka <jh@suse.cz>
13116 * i386.c (*_cost): Add COSTS_N_INSNS.
13117 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13119 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13122 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13124 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13126 * config/arm/arm.c (all_fpus): Fix comment typo.
13127 * config/darwin.c: Likewise.
13128 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13129 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13130 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13132 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13134 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13135 (rs6000_split_compare_and_swapqhi): New.
13136 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13137 (sync_compare_and_swapqhi_internal): New.
13138 * config/rs6000/rs6000-protos.h: Declare.