1 2006-07-07 James E Wilson <wilson@specifix.com>
3 * config/mips/mips.md (cpu): Add sb1a.
4 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5 addition to sb1. Adjust comments to clarify SB-1A differences from
7 (ir_sb1a_load): New. Modify bypasses to use it.
8 (ir_sb1a_simple_alu): Likewise.
9 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
11 (mips_issue_rate): Add PROCESSOR_SB1A.
12 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
13 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
14 (TARGET_SB1): Add PROCESSOR_SB1A check.
17 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
18 * config/mips/mips.c (mips_store_data_bypass_p): New.
19 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
22 2006-07-08 Paul Brook <paul@codesourcery.com>
25 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
27 2006-07-07 Richard Guenther <rguenther@suse.de>
30 * tree.h (build_one_cst): Declare.
31 * tree.c (build_one_cst): New function.
32 * tree-ssa-math-opts.c (get_constant_one): Remove.
33 (insert_reciprocals): Use build_one_cst.
34 * fold-const.c (fold_plusminus_mult): Likewise.
36 2006-07-07 Roger Sayle <roger@eyesopen.com>
38 * pointer-set.c (pointer_set_destroy): Correct whitespace.
39 * cfgloopanal.c (dump_graph): Likewise.
40 * dojump.c (discard_pending_stack_adjust): Likewise.
41 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
43 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
44 * function.c (finalize_block_changes): Likewise.
45 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
46 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
47 * rtl.c (dump_rtx_statistics): Likewise.
48 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
50 * varray.c (dump_varray_statistics): Likewise.
51 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
52 decode_decimal64, encode_decimal128, decode_decimal128,
53 decimal_real_to_decimal): Likewise.
55 2006-07-07 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/28187
58 * tree-vrp.c (vrp_operand_equal_p): New function.
59 (vrp_bitmap_equal_p): Likewise.
60 (update_value_range): Use them to compare old and new
63 2006-07-06 Roger Sayle <roger@eyesopen.com>
65 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
66 a default case to switch statement to silence compiler warnings.
68 2006-07-06 Roger Sayle <roger@eyesopen.com>
71 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
72 the configured assembler supports the x87's ffreep mnemonic.
73 * configure: Regenerate.
74 * config.in: Regenerate.
76 * config/i386/i386.c (output_387_ffreep): New function.
77 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
78 (output_387_reg_move): Likewise.
80 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
82 Port to hosts whose 'sort' and 'tail' implementations
83 treat operands with leading '+' as file names, as POSIX
84 has required since 2001. However, make sure the code still
85 works on pre-POSIX hosts.
86 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
87 which says you should use "tail -c +N" rather than "tail +Nc".
88 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
90 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
92 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
95 2006-07-06 David Edelsohn <edelsohn@gnu.org>
98 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
99 PRE_{INC,DEC} of TFmode.
101 2006-07-06 David Edelsohn <edelsohn@gnu.org>
102 Alan Modra <amodra@bigpond.net.au>
105 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
108 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
111 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
112 Remove duplicate gtu.
114 2006-07-05 Jason Merrill <jason@redhat.com>
118 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
119 * c-common.c (handle_packed_attribute): So don't copy it here.
120 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
122 2006-07-05 Mike Stump <mrs@apple.com>
124 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
126 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
129 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
131 2006-07-05 Richard Guenther <rguenther@suse.de>
134 * config/i386/i386.md (*negdf2_1): Restrict pattern to
135 TARGET_SSE2 targets if using SSE math.
136 (*absdf2_1): Likewise.
138 2006-07-05 Richard Guenther <rguenther@suse.de>
140 PR tree-optimization/28162
141 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
142 make sure to convert the operands to the correct type.
144 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
146 PR tree-optimization/28218
148 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
149 to calculate and free the dominator information.
151 2006-07-04 Peter O'Gorman <peter@pogma.com>
153 * mklibgcc.in: chmod 644 before ranlib during install.
155 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
156 J"orn Rennecke <joern.rennecke@st.com>
158 * configure.ac (.eh_frame data check): Use diff -b.
160 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
163 * Makefile.in (BUILD_RTL): Add build/vec.o.
164 (build/gencondmd.o): Filter out -fkeep-inline-functions.
165 (build/genextract): Delete.
166 (build/genautomata): Likewise.
168 2006-07-04 Alan Modra <amodra@bigpond.net.au>
171 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
172 128-bit IBM long doubles for ABI_V4.
174 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
176 * tree.c (range_in_array_bounds_p): New predicate.
177 * tree.h (range_in_array_bounds_p): Declare it.
178 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
179 return a less conservative answer.
180 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
182 (IS_ELEMENT_FOR_GROUP): New macro.
183 (FOR_EACH_ACTUAL_CHILD): Likewise.
184 (next_child_for_group): New helper function.
185 (can_completely_scalarize_p): Take into account groups.
186 (sra_hash_tree): Handle RANGE_EXPR.
187 (sra_elt_eq): Likewise.
188 (lookup_element): Be prepared for handling groups.
189 (is_valid_const_index): Delete.
190 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
191 instead of is_valid_const_index.
192 <ARRAY_RANGE_REF>: New case.
193 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
194 is_valid_const_index.
195 <ARRAY_RANGE_REF>: Do not unconditionally punt.
196 (scan_dump): Dump info for groups too.
197 (decide_instantiation_1): Likewise.
198 (decide_block_copy): Assert that the element is not a group.
199 Propagate decision to groups.
200 (generate_one_element_ref): Handle RANGE_EXPR.
201 (mark_no_warning): Iterate over actual childs.
202 (generate_copy_inout): Likewise.
203 (generate_element_copy): Likewise.
204 (generate_element_zero): Likewise.
205 (generate_element_init_1): Likewise.
206 (dump_sra_elt_name): Handle RANGE_EXPR.
208 2006-07-03 Roger Sayle <roger@eyesopen.com>
210 PR tree-optimization/26251
211 * tree-ssa-threadupdate.c (redirection_block_p): New function.
212 (thread_block): When optimizing for size refuse to thread jumps
213 that would require duplication of blocks other than redirection
216 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
218 * configure.ac: Fix thinko in previous check-in.
219 * configure: Regenerate.
221 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
224 * configure.ac (for lang...): Simplify nesting of conditionals.
225 Test subdir_requires for non-enabled languages. Move processing
226 of lang_opt_files and lang_tree_fiels below that test.
227 * configure: Regenerate.
228 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
230 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
232 * doc/gcov.texi (Invoking Gcov): Add a missing word.
234 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
236 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
239 2006-06-29 Jason Merrill <jason@redhat.com>
246 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
247 * c-common.c (c_determine_visibility): Handle it here.
248 * c-decl.c (finish_decl): Call c_determine_visibility for
250 * flags.h (enum symbol_visibility): Sort from most to least visibility.
252 * varasm.c (default_assemble_visibility): Likewise.
253 * c-common.c (handle_visibility_attribute): Complain about trying
254 to give visibility to an already defined class, or trying to change
255 declared visibility. Always attach the attribute.
260 * attribs.c (decl_attributes): Ignore type-in-place attributes
261 once the type has been defined.
263 2006-06-29 Roger Sayle <roger@eyesopen.com>
266 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
267 to indicate the cpplib has issued an error message for us.
269 2006-06-29 Asher Langton <langton2@llnl.gov>
272 * config/i386/i386.c (ix86_output_function_epilogue): Don't
273 insert a label at the end of an function under Mach-O.
275 2006-06-29 Eric Christopher <echristo@apple.com>
276 Evan Cheng <evan.cheng@apple.com>
278 * predicates.md (vector_all_ones_operand): New.
279 (nonimmediate_or_sse_const_operand): Ditto.
280 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
281 * config/i386/i386.c (standard_sse_constant_opcode): Define.
282 (standard_sse_mode_p): Ditto.
283 (standard_sse_constant_p): Add case for -1 vector.
284 (ix86_expand_vector_move): Try to use.
285 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
286 Call standard_sse_constant_opcode.
287 (*movv4sf_internal): Ditto.
288 (*movv2df_internal): Ditto.
290 2006-06-29 Roger Sayle <roger@eyesopen.com>
292 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
293 of XEXP to extract the operands of a MATCH_CODE rtx.
295 2006-06-28 Andrew Pinski <pinskia@gmail.com>
297 * tree.c (tree_size): Do not waste tail padding in
298 struct tree_string and make the size be the same as
299 build_string will generate.
301 2006-06-28 Jason Merrill <jason@redhat.com>
304 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
305 may_aliases already in the tag's annotations to the bitmap.
307 2006-06-28 Roger Sayle <roger@eyesopen.com>
309 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
311 2006-06-28 Roger Sayle <roger@eyesopen.com>
313 * genpreds.c (generate_switch_p): New function.
314 (add_mode_tests): Push the new mode test down inside an AND expr
315 if this allows the switch-suitable MATCH_CODE to be near the root.
316 (write_match_code_switch): New function to write a MATCH_CODE as
318 (write_predicate_stmts): New function to write a predicate RTX
319 expression as a sequence of statements.
320 (write_one_predicate_function): Use write_predicate_stmts.
321 (write_tm_constrs_h): Likewise.
323 2006-06-26 Fred Fish <fnf@specifix.com>
325 * config/mips/t-sb1: New file.
326 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
329 2006-06-26 DJ Delorie <dj@redhat.com>
331 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
333 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
334 Jayant Sonar <jayants@kpitcummins.com>
335 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
337 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
338 (subsi3, subsi3_1, subsi3_2): New.
339 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
340 * config/m32c/mov.md (SI mov peephole): New.
341 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
342 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
344 2006-06-26 Olivier Hainque <hainque@adacore.com>
346 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
347 a CALL_EXPR target function declaration.
349 2006-06-26 Richard Guenther <rguenther@suse.de>
351 * tree.c (build_string): Do not waste tail padding in
354 2006-06-26 Richard Guenther <rguenther@suse.de>
356 * ggc-page.c (init_ggc): Add missing element to size_lookup
360 2006-06-23 Richard Guenther <rguenther@suse.de>
362 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
363 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
364 alignment requests instead. Add verification code.
365 Add struct tree_function_decl and struct tree_binfo size to
366 extra_order_size_table. Add missing element to size_lookup
369 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
372 * fold-const.c (const_binop): Be prepared for self returning zero.
373 Simplify code handling complex values.
375 2006-06-24 Olivier Hainque <hainque@adacore.com>
377 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
378 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
381 2006-06-24 Olivier Hainque <hainque@adacore.com>
383 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
384 ARRAY_REF, so have the callback called for the low bound expression.
386 2006-06-23 Janis Johnson <janis187@us.ibm.com>
388 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
389 * c-typeck.c (c_common_type): Disallow operations on decimal float
390 types and other float types.
391 * convert.c (convert_to_real): Don't ignore conversions involving
394 2006-06-23 Olivier Hainque <hainque@adacore.com>
396 * tree.c (max_int_size_in_bytes): New function, inspired from
397 code in function.c:assign_temp.
398 * tree.h (max_int_size_in_bytes): Declare.
399 * function.c (assign_temp): Use it.
400 * gimplify.c (create_tmp_var): Relax the assertions on the type
401 properties, not mandating constant size any more.
402 (force_constant_size): New static function.
403 (gimple_add_tmp_var): Use it, forcing variable size to a
404 constant upper bound if it is not constant on entry.
406 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
409 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
410 for initialization and setting of one_only flag to ...
411 (i386_pe_encode_section_info): ...here.
412 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
413 Recheck that the symbol has not been defined.
415 2006-06-23 Richard Guenther <rguenther@suse.de>
417 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
418 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
419 alignment requests instead. Add verification code.
420 Add struct tree_function_decl and struct tree_binfo size to
421 extra_order_size_table. Add missing element to size_lookup
424 2006-06-22 Roger Sayle <roger@eyesopen.com>
425 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
428 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
429 call to lang_hooks.types.type_for_mode returned NULL_TREE.
431 2006-06-23 Ben Elliston <bje@au.ibm.com>
433 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
434 negate dn -- manipulate it directly.
436 2006-06-22 Roger Sayle <roger@eyesopen.com>
437 Steven Bosscher <stevenb.gcc@gmail.com>
440 * reload1.c (gen_reload): Call mark_jump_label on the new insns
441 generated by gen_move_insn to add REG_LABEL notes if necessary.
443 2006-06-22 Bob Wilson <bob.wilson@acm.org>
445 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
446 (leaf_entry): Remove use of MIN_ESA.
448 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
450 PR rtl-optimization/28121
451 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
454 2006-06-21 DJ Delorie <dj@redhat.com>
456 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
458 (mulhisi3_r): Likewise.
460 2006-06-21 Richard Sandiford <richard@codesourcery.com>
463 * coverage.c (coverage_counter_alloc): Leave the index type
465 (coverage_counter_alloc): Use null arguments for operands 2 and 3
468 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
470 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
471 section from the "Options for Code Generation Conventions".
473 2006-06-21 Richard Henderson <rth@redhat.com>
477 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
479 (global_symbolic_operand): Allow weak symbols, even if local_p.
481 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
483 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
484 (find_interesting_uses_address): Punt if above function returns true.
486 2006-06-21 Richard Guenther <rguenther@suse.de>
488 * configure: Regenerated.
490 2006-06-21 Joseph Myers <joseph@codesourcery.com>
492 * config/mips/mips.c (function_arg): Where one part of a
493 complex argument is in registers and the other part in the stack,
494 return a REG not a PARALLEL.
496 2006-06-21 Mark Mitchell <mark@codesourcery.com>
498 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
499 when cross-compiling. Do not substitute libstdcxx_incdir.
500 * configure: Regenerated.
502 2006-06-21 Jakub Jelinek <jakub@redhat.com>
504 * varasm.c (mergeable_string_section): Check for embedded NULs and
505 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
506 rather than TREE_STRING_LENGTH bytes.
508 2006-06-21 Richard Guenther <rguenther@suse.de>
510 * ggc-page.c (extra_order_size_table): Add var_ann_d,
511 tree_ssa_name, bitmap_element and phi_node with 4 arguments
514 2006-06-21 Richrad Guenther <rguenther@suse.de>
516 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
517 Limit iteration over the dominators.
519 2006-06-20 Roger Sayle <roger@eyesopen.com>
521 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
522 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
524 2006-06-20 Richard Guenther <rguenther@suse.de>
525 Michael Matz <matz@suse.de>
527 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
529 * alloc-pool.c (free_alloc_pool_if_empty): New function.
530 * et-forest.h (et_free_pools): Prototype new function.
531 * et-forest.c (et_free_tree_force): Free parent occurrence.
532 (et_free_pools): New function.
533 * dominance.c (free_dominance_info): Free et-forest alloc
536 2006-06-20 Roger Sayle <roger@eyesopen.com>
538 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
539 integer modes, attempt to directly construct an integer constant.
541 * fold-const.c (native_encode_vector): Determine the size of each
542 element from the vector type instead of the first vector element.
544 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
545 if all of its elements/components are constant.
546 (build_constructor_from_list): Likewise.
548 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
550 PR tree-optimization/27331
551 * tree-data-ref.c (free_data_ref): New function.
552 (create_data_ref): Fail if the data reference has unknown access
554 (free_data_refs): Use free_data_ref.
556 2006-06-19 Andrew Pinski <pinskia@gmail.com>
559 * tree-inline.c (setup_one_parameter): Strip useless
560 type conversion before adding it to the IR.
561 (declare_return_variable): Likewise.
563 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
566 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
568 2006-06-19 Mike Stump <mrs@apple.com>
570 * tree.c (variably_modified_type_p): VM arguments don't make the
573 2006-06-19 Richard Guenther <rguenther@suse.de>
575 * tree-ssa-pre.c (try_combine_conversion): Strip useless
576 type conversions after folding.
578 2006-06-19 Richard Guenther <rguenther@suse.de>
580 * ggc-page.c (extra_order_size_tab): Add entries with
581 size of struct function and basic_block.
582 (size_lookup): Extend to cover sizes up to 511.
583 (ggc_alloc_stat): Adjust user.
584 (ggc_pch_count_object): Likewise.
585 (ggc_pch_alloc_object): Likewise.
586 (ggc_pch_write_object): Likewise.
588 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
590 * tree-ssa-loop-niter.c (implies_ge_p): New function.
591 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
594 2006-06-19 Denis Chertykov <denisc@overta.ru>
596 * config/avr/libgcc.S : Correct my wrong previous commit.
598 2006-06-19 Roger Sayle <roger@eyesopen.com>
601 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
602 have stripped a SUBREG from the shift count, so we may need to
603 convert_to_mode back to the type's mode before calling make_tree.
604 Use new_amount instead of amount to avoid expanding a tree twice.
606 2006-06-19 Richard Guenther <rguenther@suse.de>
609 * fold-const.c (operand_equal_p): Check if the argument types
610 have the same precision before stripping NOPs.
612 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
614 Fix PR tree-optimization/27341
615 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
617 * tree-complex.c (pass_lower_complex): Update SMT usage.
619 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
621 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
622 Add a new alternative to the constraint strings. Add move of
623 operand 1 to 3 to the splitter definition.
624 ("doloop_si_long"): Second contraint alternative removed.
626 2006-06-08 Anatoly Sokolov <aesok@post.ru>
628 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
629 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
631 (AVR_HAVE_MOVW) Define.
632 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
633 (ASM_SPEC): Add avr25.
634 (LINK_SPEC): Add avr25.
635 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
636 (base_arch_s): Add new member 'have_movw_lpmx'.
637 (avr_arch_types): Init 'have_movw_lpmx'.
638 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
639 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
640 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
641 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
642 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
644 (avr_file_start): Do not output '.arh' derective.
645 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
646 (__do_copy_data): Use __AVR_HAVE_LPMX__.
647 * config/avr/avr.md (mcu_enhanced): Delete.
648 (mcu_have_movw): Define.
649 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
650 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
651 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
652 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
653 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
654 attiny861 and at86rf401 devices.
656 2006-06-18 Jie Zhang <jie.zhang@analog.com>
658 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
661 2006-06-17 Karl Berry <karl@gnu.org>
663 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
664 doc/gccint.texi, doc/install.texi (@dircategory): Use
665 "Software development" instead of "Programming", following
666 the Free Software Directory.
668 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
670 * config/i386/i386.c (legitimate_tls_address)
671 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
672 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
673 (*tls_dynamic_gnu2_combine_64): Likewise.
675 2006-06-16 Richard Guenther <rguenther@suse.de>
678 * fold-const.c (negate_expr_p): Do not introduce undefined
679 overflow in negating INTEGER_CSTs.
680 (fold_negate_expr): Rename from negate_expr. Revert last
681 change for folding BIT_NOT_EXPR. Change semantics to
682 return NULL_TREE for non-simplified negations. Do not
683 strip type conversions and unify type handling.
684 (negate_expr): New function, wrap around fold_negate_expr
685 but ensure building a tree always. Strip type conversions
686 here, fold to result type.
687 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
689 2006-06-16 Roger Sayle <roger@eyesopen.com>
692 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
693 that (would) return their results in stack registers.
695 2006-06-16 Michael Matz <matz@suse.de>
696 Richard Guenther <rguenther@suse.de>
698 * fold-const.c (fold_truthop): Only return new tree node if
699 we canonicalized something.
701 2006-06-16 Richard Guenther <rguenther@suse.de>
703 * function.h (enum function_frequency): Move declaration
704 out of struct function.
705 (struct function): Move bool fields and the enum to the bitfield
706 section. Reorder elements to avoid padding. Remove unused
707 fields left over from the RTL inliner removal.
708 * function.c (free_after_compilation): Do not zero removed fields.
709 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
710 (ipa-type-escape.o): Likewise.
712 2006-06-16 Richard Guenther <rguenther@suse.de>
714 * cgraph.h (struct cgraph_local_info): Turn bool elements
716 (struct cgraph_node): Likewise.
717 (struct cgraph_varpool_node): Likewise.
719 2006-06-15 Richard Guenther <rguenther@suse.de>
721 * fold-const.c (fold_truth_not_expr): Rename from
722 invert_truthvalue. Give it fold_* semantics to avoid
724 (invert_truthvalue): New function. Wrapper around
726 (optimize_minmax_comparison): Avoid creating garbage.
727 (fold_unary): Use fold_truth_not_expr for folding
729 (fold_ternary): Replace uses of invert_truthvalue with
730 fold_truth_not_expr where applicable.
731 * tree.h (fold_truth_not_expr): Prototype.
733 2006-06-16 Richard Guenther <rguenther@suse.de>
735 PR tree-optimization/27781
736 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
737 * ipa-pure-const.c (target.h): Include.
738 (analyze_function): Do not analyze functions that do not
741 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
744 * tree-dfa.c (referenced_vars_dup_list): Remove.
745 (find_referenced_vars): Remove assert.
746 (referenced_var_check_and_insert): Replace dup list with assert.
747 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
748 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
750 2006-06-15 Richard Guenther <rguenther@suse.de>
752 * tree-ssa-structalias.c (alias_get_name): Avoid creating
753 extra unused identifiers if not dumping.
754 (create_variable_info_for): Likewise.
756 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
758 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
759 (derive_constant_upper_bound): Derive more precise upper bound in
760 common cases. Return type changed to double_int.
761 (record_estimate): Reflect the changed return type of
762 derive_constant_upper_bound.
763 * double-int.c (double_int_zext, double_int_sext): Fix.
765 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
767 * configure.ac (CFLAGS): Get them from the toplevel or from the
768 configure invocation.
769 * configure: Regenerate.
770 * Makefile.in (CFLAGS): Substitute value provided by configure.
772 2006-06-14 Mark Mitchell <mark@codesourcery.com>
775 * c-common.h (c_finish_omp_atomic): Adjust declaration.
776 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
777 rather than calling add_stmt on it.
778 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
780 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
783 * reload1.c (reload): Remove registers returned by update_eliminables
784 from used_spill_regs.
786 2006-06-13 DJ Delorie <dj@redhat.com>
788 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
790 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
792 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
793 html__strip_dir, html__mkdir_p. Enhance install-html target.
794 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
795 * configure: Regenerate.
797 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
799 * fold-const.c (fold_cond_expr_with_comparison): Check for
800 Objective-C++ as language in deciding COND_EXPR transformation.
802 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
805 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
806 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
807 * config/sh/lib1funcs.h (SL, SL1): Define.
808 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
809 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
810 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
811 (OBJS_Os_4_200): New variable.
812 ($(T)libgcc-Os-4-200.a): Use it.
813 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
814 when dividing 1 and/or by 0.
816 2006-06-13 Roger Sayle <roger@eyesopen.com>
818 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
819 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
820 * configure: Regenerate.
822 2006-06-13 Jie Zhang <jie.zhang@analog.com>
824 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
825 for real instruction.
827 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
830 * haifa-sched.c (check_cfg): Handle special case.
832 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
835 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
836 Add debug_info parameter. Chain the vars to the BLOCK instead
837 of the BIND_EXPR if debug info are requested for them.
838 (pop_gimplify_context): Adjust for above change.
839 (gimple_add_tmp_var): Likewise.
840 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
842 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
843 (convert_local_reference): Likewise.
844 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
845 (finalize_nesting_tree_1): Request that debug info be emitted
848 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
850 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
853 2006-06-13 Richard Guenther <rguenther@suse.de>
856 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
858 2006-06-13 Richard Guenther <rguenther@suse.de>
860 PR tree-optimization/27830
861 * tree-inline.c (copy_body_r): For copying the operand
862 of an ADDR_EXPR make sure to fold &* afterwards.
864 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
866 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
867 lvalues in the fb_none case with side-effects.
869 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
871 * tree-flow.h: Remove the prototype for
872 compute_phi_arg_on_exit.
873 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
874 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
877 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
879 * builtins.c (expand_builtin_return_addr): Only use
880 frame_pointer_rtx when count == 0 and we are expanding
881 __builtin_return_address.
883 2006-06-12 Fred Fish <fnf@specifix.com>
885 * config/mips/mips.c (mips_file_start): Create special section
886 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
888 2006-06-11 Eric Christopher <echristo@apple.com>
891 * stor-layout.c (place_field): Remove check for
892 remaining_in_alignment when aligning at the end of a run.
894 2006-06-11 Eric Christopher <echristo@apple.com>
897 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
900 2006-06-11 Roger Sayle <roger@eyesopen.com>
903 Revert incorrect fix for PR target/27158
904 2006-05-08 Roger Sayle <roger@eyesopen.com>
905 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
906 of a reg_equiv_constant if the result is a legitimate constant.
908 2006-06-11 Roger Sayle <roger@eyesopen.com>
911 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
912 extract a CONST_VECTOR element and interpret it as an integer.
913 (vspltis_constant): Use const_vector_elt_as_int instead of the
914 macro CONST_VECTOR_ELT in order to handle FP vector modes.
915 * config/rs6000/predicates.md (easy_vector_const): Consider
916 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
918 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
921 * stor-layout.c (update_alignment_for_field): Don't add extra
922 alignment for packed non-bitfield fields in ms_bitfield_layout_p
925 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
927 * config/mips/t-rtems: Add EL/EB multilib variants.
929 2006-06-09 Mike Stump <mrs@apple.com>
931 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
933 2006-06-09 David Daney <ddaney@avtrex.com>
935 * doc/install.texi: Add binutils version recommendation for mips-*-*.
937 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
939 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
941 2006-06-09 Richard Guenther <rguenther@suse.de>
943 PR tree-optimization/26998
944 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
945 of signed types, only TYPE_MIN_VALUE is special, but for both,
946 minimum and maximum value. Likewise VR_ANTI_RANGE is special
947 in this case, as is -fwrapv.
949 2006-06-08 Mike Stump <mrs@apple.com>
952 * config/darwin.c (darwin_asm_output_anchor): Disable
953 -fsection-anchors on darwin for now.
954 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
955 * rs6000/rs6000.c (optimization_options): Likewise.
957 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
960 * config/i386/i386.c (classify_argument): Skip fields with invalid
963 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
965 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
966 (cse_insn): Likewise for the stack_pointer_rtx.
968 2006-06-08 Roger Sayle <roger@eyesopen.com>
970 * tree-ssa-dom.c (record_conditions): Only record "unordered"
971 conditions from floating point comparisons.
973 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
976 * expmed.c (struct alg_hash_entry): Fix type of field T
977 to match synth_mult argument.
978 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
980 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
983 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
986 2006-06-08 Richard Guenther <rguenther@suse.de>
989 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
990 only, if overflow is defined and not trapping.
991 (negate_expr): Likewise.
993 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
995 PR tree-optimization/27872
996 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
997 flag on the new exit edge of the unrolled loop.
999 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1001 PR rtl-optimization/26449
1002 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1004 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1007 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1008 referenced_variables with matching DECL_UID's.
1009 (find_referenced_vars): Make sure duplicate list is empty to start.
1010 (referenced_var_p): Remove.
1011 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1012 Check if var is in the list, and add if needed. Update the duplicate
1013 list if a different var is in the list with the same DECL_UID.
1014 (add_referenced_var): Call routine to check and insert.
1015 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1016 * tree-flow.h (referenced_vars_dup_list): External declaration.
1018 2006-06-07 Fred Fish <fnf@specifix.com>
1020 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1023 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1026 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1027 the imaginary and real parts of a clobbered register.
1028 Emit insn to set the imaginary part.
1030 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1032 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1033 in lieu of unwind-dw2-fde.c.
1035 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1037 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1039 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1042 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1043 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1044 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1045 V4SImode temporaries and operations instead.
1047 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1049 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1052 2006-06-06 Mike Stump <mrs@apple.com>
1054 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1055 installing during build.
1057 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1059 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1061 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1062 * config/ia64/ia64.c (params.h): New header.
1063 (ia64_optimization_options): New function to adjust parameters.
1064 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1065 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1066 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1068 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1070 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1072 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1075 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1077 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1078 Victor Kaplansky <victork@il.ibm.com>
1080 PR tree-optimization/26360
1081 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1084 2006-06-04 Roger Sayle <roger@eyesopen.com>
1085 Andrew Pinski <pinskia@physics.uc.edu>
1088 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1089 for LABEL_DECL before calling DECL_WEAK.
1092 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1093 LABEL_DECL and PARM_DECL.
1095 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1099 * c-decl.c (grokdeclarator): Disallow variably modified types at
1100 file scope. Avoid marking shared array type of constant size as
1103 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1106 * c-common.c (fold_offsetof_1): Handle static members.
1108 2006-06-04 Eric Christopher <echristo@apple.com>
1110 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1111 (debug_rli): Output value for remaining_in_alignment.
1112 (update_alignment_for_field): Unconditionalize
1113 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1114 extra alignment code.
1115 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1116 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1117 * tree.h (record_layout_info_s): Remove prev_packed.
1118 * doc/extend.texi (ms_struct): Add documentation of format.
1120 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1122 * tree.h: Declare folding_initializer.
1123 * builtins.c (fold_builtin_constant_p): Give definite answer
1124 if folding inside an initializer.
1125 * fold-const.c: Define folding_initializer.
1126 (START_FOLD_INIT): Save and then set folding_initializer.
1127 (END_FOLD_INIT): Restore folding_initializer.
1129 2006-06-04 Richard Guenther <rguenther@suse.de>
1131 PR tree-optimization/27039
1132 * fold-const.c (fold_comparison): Handle pointer comparison
1133 again for all comparison codes. Compare offsets in signed
1135 (fold_binary): Move code from here.
1137 2006-06-03 Roger Sayle <roger@eyesopen.com>
1140 * config/i386/i386.c (construct_container): Split static issued_error
1141 flag into issued_sse_arg_error, issued_sse_ret_error and
1142 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1143 requires the use of x87 registers and the user explicitly
1144 specified the -mno-80387 command line option.
1146 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1148 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1149 HAVE_DECL_SIGALTSTACK.
1151 (segv_handler): Use MC_FLD.
1152 * configure.ac: Check for a sigaltstack declaration.
1153 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1154 * configure: Regenerate.
1155 * config.in: Regenerate.
1157 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1160 * Makefile.in (stmp-fixinc): Fix typo.
1162 2006-06-02 Roger Sayle <roger@eyesopen.com>
1164 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1165 are type correct. Clean-up.
1166 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1167 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1169 2006-06-01 DJ Delorie <dj@redhat.com>
1171 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1172 shift, as we've disabled the "switch" insn that needs it.
1174 2006-06-01 Per Bothner <bothner@bothner.com>
1176 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1177 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1178 * c-ppoutput.c (cb_define): Don't increment line 0.
1180 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1182 * doc/invoke.texi: Add cpu_type power6.
1183 * config.gcc: Add cpu_type power6.
1184 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1185 to power5+ with Altivec.
1186 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1187 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1189 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1191 * config/avr/avr.h (SET_ASM_OP): Define.
1193 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1195 * config/bfin/bfin.c: Fix comment typos.
1197 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1200 * doc/install.texi: Document --enable-bootstrap and
1201 --disable-bootstrap.
1203 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1205 * doc/install.texi: Document that InfoZIP can replace jar.
1207 2006-05-31 Roger Sayle <roger@eyesopen.com>
1209 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1210 isn't available, directly generate the simpler x87 patterns without
1211 the (use (const_int 0)).
1212 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1213 implementation isn't available.
1214 (*negdf2_1): Likewise.
1215 (*negxf2_1): XF mode negation is always done using the x87.
1216 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1218 2006-05-31 Roger Sayle <roger@eyesopen.com>
1220 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1221 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1223 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1225 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1227 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1228 * config/bfin/bfin.c (basic-block.h): Include.
1229 (struct machine_function): New.
1230 (bfin_init_machine_status): New.
1231 (override_options): Initialize init_machine_status.
1232 (bfin_hardware_loop): New.
1233 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1234 (DEF_VEC_P (loop_info)): New.
1235 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1236 (struct loop_info): New.
1237 (loop_info): New typedef.
1238 (struct loop_work): New.
1239 (loop_work): New typedef.
1240 (DEF_VEC_O (loop_work)): New.
1241 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1242 (bfin_dump_loops): New.
1243 (bfin_bb_in_loop): New.
1244 (bfin_scan_loop): New.
1245 (bfin_optimize_loop): New.
1246 (bfin_reorg_loops): New.
1247 (bfin_reorg): Use bfin_reorg_loops.
1248 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1250 (I_REGNO_P): Simplify.
1251 (DP_REGNO_P, DPREG_P): New macros.
1252 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1253 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1254 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1255 Add LT_REGS, LC_REGS, LB_REGS.
1256 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1258 (REGNO_REG_CLASS): Deal with loop registers.
1259 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1261 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1262 New constants for loop registers.
1263 (UNSPEC_LSETUP_END): New.
1264 (seq_insns): New define_attr. Set it for appropriate insns.
1265 (movsi_insn): Add alternatives for move from/to
1266 loop count registers.
1267 (doloop_end): New define_expand.
1268 (loop_end): New define_insn.
1269 (define_split for bad doloop_end): New.
1270 (lsetup_with_autoinit): New define_insn.
1271 (lsetup_without_autoinit): New define_insn.
1272 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1273 * config/bfin/predicates.md (lc_register_operand): New.
1274 (lt_register_operand): New.
1275 (lb_register_operand): New.
1276 (nondp_register_operand): New.
1277 (nondp_reg_or_memory_operand): New.
1278 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1280 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1282 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1283 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1285 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1287 * Makefile.in (CATALOGS): Add po/ prefix.
1288 * configure: Regenerated.
1290 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1293 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1294 a shift operand before calling shift_op. Avoid redundant call of
1297 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1298 DJ Delorie <dj@redhat.com>
1300 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1301 we're inserting is a singlt-bit constant.
1303 2006-05-30 Roger Sayle <roger@eyesopen.com>
1305 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1306 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1308 2006-05-30 Roger Sayle <roger@eyesopen.com>
1310 PR tree-optimization/23452
1311 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1312 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1313 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1314 complex values and with -ffast-math for FP complex values.
1316 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1318 * c-common.h: Remove the prototype for yyparse.
1319 * rtl.h: Remove the prototype for init_loop.
1321 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1323 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1326 2006-05-30 Roger Sayle <roger@eyesopen.com>
1328 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1330 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1331 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1333 2006-05-30 Dirk Mueller <dmueller@suse.de>
1336 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1337 for CONSTANT_CLASS_P expresisons.
1339 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1342 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1344 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1346 PR tree-optimization/27779
1347 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1348 initial_condition instead of CHREC_LEFT.
1350 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1352 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1353 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1354 Make prototypes ISO C90.
1356 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1357 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1359 * see.c (see_analyze_one_def): Correct check.
1360 (see_get_extension_data): Check if extension is parallel.
1361 (see_get_extension_reg): Likewise.
1363 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1366 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1367 into register for (code == GTU).
1369 2006-05-29 Roger Sayle <roger@eyesopen.com>
1371 PR tree-optimization/24964
1372 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1373 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1374 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1375 abs(x)*abs(x) as x*x for scalar floating point modes.
1377 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1380 * lambda-code.c (perfect_nestify): Don't copy statements
1381 in the inner loop: move them to the inner loop header.
1383 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1386 * c-tree.texi: Document OpenMP directives and clauses.
1388 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1390 * varasm.c (globalize_decl): Fix indentation.
1392 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1395 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1396 pass_fre, pass_store_ccp, pass_copy_prop,
1397 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1398 pass_return_slot, pass_object_size, pass_lim,
1399 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1400 pass_loop_prefetch and pass_stdarg.
1402 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1404 * config/bfin/bfin.opt (mfdpic): New option.
1405 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1406 (EXTRA_MULTILIB_PARTS): Likewise.
1407 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1408 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1410 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1411 (CRT_CALL_STATIC_FUNCTION): New.
1412 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1414 (CRT_CALL_STATIC_FUNCTION): New.
1415 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1417 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1418 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1419 (initialize_trampoline): Changed to handle FD-PIC code generation.
1420 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1421 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1422 (override_options): Disallow -mid-shared-library -mfdpic combination.
1423 Can't do unaligned ops if FD-PIC.
1424 Turn off flag_pic if trying to generate non-id-shared-library
1425 non-fdpic code, since it's not supported.
1426 (bfin_assemble_integer): New function.
1427 (TARGET_ASM_INTEGER): Define.
1428 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1430 * config/bfin/crtn.s: Restore them.
1431 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1433 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1434 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1435 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1436 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1437 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1439 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1440 FDPIC_REGS and FDPIC_FPTR_REGS.
1441 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1442 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1443 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1444 (load_funcdescsi): New pattern.
1445 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1446 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1447 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1449 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1451 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1454 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1456 * tree-flow.h: Remove the prototype for add_type_alias.
1457 * tree-ssa-alias.c (add_type_alias): Remove.
1459 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1461 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1462 config/fr30/fr30.md, config/i386/i386-interix.h,
1463 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1464 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1465 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1466 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1467 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1468 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1469 Follow spelling conventions.
1470 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1471 Follow spelling conventions.
1473 2006-05-27 Richard Guenther <rguenther@suse.de>
1476 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1477 to produce a constant of value 1 of generic type.
1479 2006-05-27 Dirk Mueller <dmueller@suse.de>
1481 * cgraphunit.c (decide_is_function_needed): Fix wrong
1484 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1486 PR rtl-optimization/27661
1487 * reload.c (find_reloads): When reloading a VOIDmode constant
1488 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1489 use Pmode as mode of the reload register.
1491 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1493 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1494 is enabled at -O and above.
1496 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1499 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1502 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1505 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1506 for anonymous variables explicitly declared by front ends.
1508 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1510 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1511 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1512 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1513 ref-all pointers, run a finalization pass for them.
1514 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1515 (finalize_ref_all_pointers): New function.
1516 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1517 regular pointer type to a ref-all pointer type.
1518 (get_tmt_for): Return the special memory tag for ref-all pointers.
1520 2006-05-25 Richard Guenther <rguenther@suse.de>
1523 * fold-const.c (fold_binary): Do not look at the stripped
1524 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1526 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1528 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1529 for LT and GT if the computed range is effectively empty.
1531 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1534 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1535 mips_quad_format formats instead of ieee_single_format,
1536 ieee_double_format and ieee_quad_format formats, respectively.
1538 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1540 PR tree-optimization/27639
1541 PR tree-optimization/26719
1542 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1543 call to scev_probably_wraps_p.
1544 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1545 used_in_pointer_arithmetic_p, convert_step): Removed.
1546 (nowrap_type_p): New function.
1547 (scev_probably_wraps_p): Rewritten.
1548 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1549 chrec_convert if chrec_convert_aggressive might have been used.
1550 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1551 scev_direction): New functions.
1552 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1553 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1554 instead of convert_step.
1555 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1556 (convert_step): Declaration removed.
1557 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1559 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1561 * df-core.c: Added to header comments.
1562 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1563 df_ur_bb_info, df_urec_bb_info): Added comments.
1564 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1565 urec, ri problems): Fixed header comments.
1566 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1567 code from df_rd_transfer_function.
1569 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1571 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1572 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1573 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1575 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1577 * expr.c (undefined_operand_subword_p): New.
1578 (emit_move_multi_word): Do not generate move from undefined bits
1579 of a paradoxical subreg.
1581 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1583 PR rtl-optimization/27736
1584 * combine.c (replaced_rhs_value): New variable.
1585 (combine_instructions): Set it.
1586 (distribute_notes): When distributing a note in replaced_rhs_insn,
1587 check whether the value was used in replaced_rhs_value.
1589 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1592 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1593 add_referenced_var instead of add_referenced_tmp_var.
1594 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1595 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1597 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1598 tree_optimize_tail_calls_1): Use add_referenced_var.
1599 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1600 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1601 Use add_referenced_var.
1602 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1603 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1604 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1605 Use add_referenced_var.
1606 * tree-dfa.c (struct walk_state): Remove.
1607 (find_referenced_vars): Remove walk state and vars_found hash table.
1608 (make_rename_temp): Use add_referenced_var.
1609 (find_vars_r): Pass less parameters to add_referenced_var.
1610 (referenced_var_p): New. Is var in referenced_var hash table.
1611 (referenced_var_insert): Assert var isn't already in hash table.
1612 (add_referenced_var): Don't need walk_state parameter. Add var if it
1613 isn't already in the hash table.
1614 (add_referenced_tmp_var): Remove.
1615 (find_new_referenced_vars_1): Use add_referenced_var.
1616 * tree-ssa-pre.c (create_expression_by_pieces,
1617 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1618 Use add_referenced_var.
1619 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1620 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1621 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1623 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1624 vect_create_data_ref_ptr, vect_create_destination_var,
1625 vect_init_vector, vect_build_loop_niters,
1626 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1627 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1628 Use add_referenced_var.
1629 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1630 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1631 (add_referenced_var): Add prototype.
1632 * tree-ssa-structalias.c (get_constraint_for,
1633 intra_create_variable_infos): Use add_referenced_var.
1635 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1637 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1638 big-endian paradoxical subregs.
1639 * var-tracking.c (struct micro_operation_def): Document that,
1640 for modify micro operations, insn is the subsequent instruction.
1641 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1642 (var_reg_set, var_mem_set): ... new functions.
1643 (add_stores): Record subsequent insn.
1644 (compute_bb_dataflow): Use new functions for MO_USE.
1645 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1646 notes after the insn, and modify notes before the insn known
1647 to be the subsequent one.
1648 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1650 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1653 * config/i386/i386.c (ix86_expand_builtin): Use
1654 gen_sse3_monitor64 for TARGET_64BIT.
1656 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1658 PR rtl-optimization/26375
1659 PR rtl-optimization/26855
1660 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1662 (df_ru_bb_local_compute): Reversed statements and removed bogus
1663 comment explaining why they should be in wrong order.
1664 (df_ru_dump, df_rd_dump): Enhanced debug info.
1665 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1667 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1668 reaching uses and fixed space problem.
1670 2006-05-23 Jan Hubicka <jh@suse.cz>
1672 * cgraphunit.c (decide_is_function_needed): Also nested functions
1673 and functions declared inline can be optimized out at -O0.
1675 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1677 * doc/install.texi (Configuration): Remove reference to CrossGCC
1681 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1684 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1685 ix86_compare_emitted is non-NULL.
1687 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1690 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1693 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1695 PR rtl-optimization/25514
1696 * combine.c (replaced_rhs_insn): New variable.
1697 (combine_instructions): Set replaced_rhs_insn when trying to replace
1698 a SET_SRC with a REG_EQUAL note.
1699 (distribute_notes): Use replaced_rhs_insn when determining the live
1700 range of a REG_DEAD register.
1702 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1703 Anatoly Sokolov <aesok@post.ru>
1705 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1706 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1707 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1708 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1709 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1710 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1711 at90usb647, at90usb1286 and at90usb1287 devices.
1712 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1713 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1715 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1717 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1719 2006-05-22 Richard Guenther <rguenther@suse.de>
1722 2006-01-31 Richard Guenther <rguenther@suse.de>
1723 Paolo Bonzini <bonzini@gnu.org>
1725 * doc/install.texi (--disable-libgcc-math): Document.
1727 2006-05-22 Richard Guenther <rguenther@suse.de>
1730 2006-01-31 Richard Guenther <rguenther@suse.de>
1732 * doc/invoke.texi (-msselibm): Document.
1733 * target.h (expand_library_builtin): New target hook.
1734 * builtins.c (expand_builtin): Use expand_library_builtin.
1735 (default_expand_library_builtin): New function.
1736 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1737 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1738 (link_gcc_math_spec): Declare.
1739 (static_specs): Add link_gcc_math_spec.
1740 * expr.h (default_expand_library_builtin): Declare.
1741 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1742 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1743 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1744 * config/i386/i386.opt (msselibm): New target option.
1745 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1746 (ix86_init_sse_abi_builtins): New function.
1747 (ix86_expand_library_builtin): Likewise.
1748 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1749 (override_options): Handle error conditions wrt -msselibm.
1750 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1751 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1752 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1755 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1758 * c-common.c (self_promoting_args_p): Skip erroneous args.
1761 * c-decl.c (finish_struct): Skip erroneous fields.
1763 2006-05-22 Nick Clifton <nickc@redhat.com>
1765 * config/cris/cris.opt (march): Remove VarExists attribute.
1766 (max-stackframe=): Likewise.
1768 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1770 * doc/rtl.texi: Fix a typo.
1771 * see.c: Fix comment typos.
1773 * tree-ssa-structalias.h (alias_info): Remove num_references.
1775 2006-05-21 Mike Stump <mrs@apple.com>
1777 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1779 (darwin_pragma_options): Use BAD instead.
1780 (darwin_pragma_unused): Likewise.
1781 (darwin_pragma_ms_struct): Likewise.
1783 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1785 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1787 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1789 PR rtl-optimization/27671
1790 * simplify-rtx.c (simplify_relational_operation_1): Fix
1791 simplifications of (eq/ne (xor x y) y) and
1792 (eq/ne (xor x y) x).
1794 PR tree-optimization/26622.
1795 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1798 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1800 * tree-cfg.c: Prune whitespace.
1801 (debug_tree_cfg): Point to correct header containing the
1804 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1807 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1809 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1812 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1813 or sorry count is non zero.
1815 2006-05-20 Andreas Schwab <schwab@suse.de>
1817 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1819 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1820 Kenneth Zadeck <zadeck@naturalbridge.com>
1822 PR rtl-optimization/26855
1824 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1826 (df_scan_alloc): Added code to properly handle multiword hard
1827 registers and add all_blocks parameter.
1828 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1829 code to properly handle multiword hard registers.
1830 (df_rescan_blocks): Added code to remove deleted blocks from
1832 (df_ref_create_structure, df_ref_record): Added code to properly
1834 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1835 and set DF_REF_PARTIAL.
1836 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1837 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1838 (df_scan_add_problem): Added flags parameter.
1839 (df_ref_create_structure): Changed switching structure.
1840 (df_bb_refs_record): Fixed case where duplicate artificial refs
1841 were created. Changed location of flags.
1842 (df_record_entry_block_defs): Added code to make stack pointer
1843 live in entry block. Refined cases where frame pointer is needed.
1844 Changed location of flags.
1845 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1846 (df_set_state): Removed function.
1847 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1848 df_insn_create_insn_record, df_insn_refs_delete,
1849 df_ref_create_structure): Formatting changes.
1850 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1851 df_delete_basic_block): New function.
1852 (df_init): Changed location of flags.
1853 (df_add_problem): Added flags parameter and the way flags are
1855 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1856 debug_df_chain): Improved debugging output.
1857 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1858 (df_refs_chain_dump): Removed df parameter.
1859 (df_iterative_dataflow): Added consistency check.
1860 (df_prune_to_subcfg): Made public.
1861 (df_analyze_problem): Added blocks_to_init parameter and made
1863 (df_ref_record, df_bb_refs_record, df_mark_reg,
1864 df_record_exit_block_uses): Whitespace changes.
1865 (df_dump): Whitespace changes.
1866 * df.h: Some reordering to remove forward references.
1867 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1868 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1869 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1870 (dataflow.flags): New field.
1871 (df.flag): Deleted field.
1872 (df_alloc_function): Added additional bitmap parameter.
1873 (df_dependent_problem_function): New type.
1874 (df_problem.changeable_flags): New field.
1875 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1876 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1877 (df_mw_hardreg): New struct.
1878 (DF_INSN_UID_MWS): New macro.
1879 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1881 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1882 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1883 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1884 (df_set_state): Removed function.
1885 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1886 * df-problems.c (df_chain_dump): Removed df parameter.
1887 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1888 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1890 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1891 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1892 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1893 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1894 DF_REF_MUST_CLOBBER cases.
1895 (df_ru_bb_local_compute_process_def,
1896 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1897 df_lr_bb_local_compute, df_ur_bb_local_compute,
1898 df_chain_create_bb): Made subreg aware.
1899 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1900 df_lr_bb_local_compute, df_lr_bb_local_compute,
1901 df_chain_create_bb): Cleanup to use proper macros.
1902 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1903 code to fixup bitvectors.
1904 (df_ri_alloc): Cleared lifetime.
1905 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1906 df_create_unused_note): New function.
1907 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1908 REG_DEAD and REG_UNUSED notes as well as register information.
1909 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1910 df_chains_dump): Fixed crash if problem was never run.
1911 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1912 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1913 df_ri_add_problem): Processes flags in uniform manner.
1914 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1915 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1916 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1917 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1918 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1919 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1920 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1921 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1922 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1923 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1924 * see.c (see_initialize_data): Ditto.
1925 * final.c (rest_of_clean_state) Added regstack_completed.
1926 * rtl.h (regstack_completed): Ditto.
1927 * reg-stack.c (regstack_completed): Ditto.
1929 2006-05-19 Mike Stump <mrs@apple.com>
1931 * c-tree.h (default_conversion): Remove.
1932 * c-common.h (default_conversion): Add.
1934 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1936 * tree-vrp.c (valid_value_p): New function.
1937 (adjust_range_with_scev): Fail if the value of bound is not
1940 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1942 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1943 (mips_fallback_frame_state): Use syscall numbers to determine
1944 the appropriate li instruction for the current ABI. Only use
1945 __NR_sigreturn for o32.
1947 2006-05-19 Nicolas Setton <setton@adacore.com>
1949 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1950 * langhooks.c (lhd_dwarf_name): New function.
1951 * langhooks-def.h (lhd_dwarf_name): Declare.
1952 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1953 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1954 * ada/misc.c (gnat_dwarf_name): New function.
1955 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1957 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1959 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1961 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1962 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1963 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1964 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1965 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1966 determine the size of Wtype, etc.
1967 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1968 (swfloatfuncs): New variable.
1969 (dwfloatfuncs): Likewise.
1970 (lib2funcs): Remove floating-point conversion functions from
1971 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1972 the set of conversion routines needed. Allow entries to specify
1973 an object name, filename and word size. Update users accordingly.
1974 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1975 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1979 2006-02-08 Roger Sayle <roger@eyesopen.com>
1982 * config/fixtfdi.c: New libgcc source file.
1983 * config/fixunstfdi.c: New source file.
1984 * config/floatditf.c: New source file.
1985 * config/floatunditf.c: New souce file.
1986 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1987 files above instead of config/mips/_tilib.c.
1988 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1990 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1992 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1993 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1995 2006-05-18 Mike Stump <mrs@apple.com>
1997 Fix up vla, vm and [*] sematics.
2003 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2004 (c_vla_unspec_p): Add.
2005 (c_vla_type_p): Add.
2006 * c-decl.c (struct c_scope): Add had_vla_unspec.
2007 (build_array_declarator): Add support for [*].
2008 (grokdeclarator): Likewise.
2009 (grokparms): Likewise.
2010 (get_parm_info): Likewise.
2011 * c-objc-common.c (c_vla_unspec_p): Likewise.
2012 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2013 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2014 typeof when argument is a variably modified type not inside sizeof or alignof.
2015 (c_parser_direct_declarator_inner): Propagate errors.
2016 (c_parser_sizeof_expression): Add support for [*].
2017 (c_parser_parms_declarator): Initialize had_vla_unspec.
2018 (c_parser_parms_list_declarator): Likewise.
2019 * c-typeck.c (c_vla_type_p): Add.
2020 (composite_type): Add support for vla compositing.
2021 (comptypes_internal): Add support for vla compatibility.
2022 (c_expr_sizeof_expr): Evaluate vla arguments.
2023 * tree.c (variably_modified_type_p): Update comment for [*].
2025 2006-05-18 Michael Matz <matz@suse.de>
2028 * config.host: Make assignments to host_xmake_file cumulative.
2029 * config.host (*-darwin*): Test $host, not $target.
2031 2006-05-12 Stuart Hastings <stuart@apple.com>
2033 * config/i386/i386.opt (-mstackrealign): New flag.
2034 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2035 (ix86_handle_cconv_attribute): Emit error when
2036 force_align_arg_pointer attribute collides with too many regparms.
2037 (ix86_function_regparm): Limit regparms when used with
2038 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2039 Support stack-realigning prologue in non-main functions. Emit
2040 warning for nested functions under -mstackrealign, emit error for
2041 nested functions with force_align_arg_pointer attribute.
2042 * doc/extend.texi (force_align_arg_pointer): Document it.
2043 * doc/invoke.texi (-mstackrealign): Document it.
2045 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2047 PR rtl-optimization/27477
2048 * combine.c (try_combine): Don't split a parallel consisting
2049 of two sets into two individual sets if both sets reference
2052 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2054 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2055 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2057 * doc/options.texi (VarExists): Updated.
2059 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2061 * unwind-dw2.c: Add declarations for uw_update_context and
2063 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2064 detected, advance frame state and context once to skip over stub.
2066 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2070 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2071 Call rewrite_into_loop_closed_ssa only when something changed.
2072 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2073 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2074 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2075 Test for perfect_nest_p here. Fix formating.
2076 (replace_uses_equiv_to_x_with_y): Fix formating.
2077 (stmt_uses_op): Removed.
2078 (can_convert_to_perfect_nest): Removed loopivs parameter.
2079 Complete the test by checking the scalar dependences.
2080 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2083 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2086 From Dan Kegel <dank@kegel.com>:
2087 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2089 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2091 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2092 if the element type is variably modified without recursing.
2094 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2097 * tree-loop-linear.c (try_interchange_loops): Test for
2098 no data dependences.
2100 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2102 PR tree-optimization/27548
2103 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2104 range of ssa names that appear on abnormal edges.
2105 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2106 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2108 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2111 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2113 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2116 * tree.h (OMP_PARALLEL_COMBINED): Define.
2117 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2118 (new_omp_context): Add is_combined_parallel argument.
2119 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2120 new_omp_context caller.
2121 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2122 Adjust gimplify_scan_omp_clauses callers.
2123 (omp_is_private): Issue errors if iteration variable is firstprivate
2124 or reduction in the current context.
2125 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2126 on combined parallel workshare constructs.
2128 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2130 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2131 (gcc-options.o): New rule.
2133 * optc-gen.awk: Protect variables for gcc-options.o with
2134 #ifdef GCC_DRIVER/#endif.
2136 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2138 Fix PR tree-optimization/27373
2139 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2140 (forward_propagate_addr_expr): Update call.
2142 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2144 * doc/options.texi: Move the Negative option.
2146 2006-05-16 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/22303
2149 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2151 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2152 ccp_fold did not simplify the statement.
2154 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2157 * Makefile.in (GCC_OBJS): New.
2158 (OBJS-common): Add opts-common.o.
2159 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2160 (cpp$(exeext)): Likewise.
2161 (gcc.o): Also depend on opts.h.
2162 (opts-common.o): New.
2164 * common.opt (gcoff): Add Negative(gdwarf-2).
2165 (gdwarf-2): Add Negative(gstabs).
2166 (gstabs): Add Negative(gstabs+).
2167 (gstabs+): Add Negative(gvms).
2168 (gvms): Add Negative(gxcoff).
2169 (gxcoff): Add Negative(gxcoff+).
2170 (gxcoff+): Add Negative(gcoff).
2171 * config/i386/i386.opt (m32): Add Negative(m64).
2172 (m64): Add Negative(m32).
2174 * doc/options.texi: Document the Negative option.
2176 * gcc.c: Include "opts.h".
2177 (main): Call prune_options after expandargv.
2179 * optc-gen.awk: Generate common declarations for all flag
2180 variables in options.c. Output the neg_index field.
2182 * opts.c (find_opt): Moved to ...
2183 * opts-common.c: Here. New file.
2185 * opts.h (cl_option): Add a neg_index field.
2187 (prune_options): Likewise.
2189 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2192 * omp-low.c (expand_omp_parallel): Don't assert
2193 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2194 instead search for it.
2197 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2200 2006-05-16 Andreas Schwab <schwab@suse.de>
2202 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2205 2006-05-15 Roger Sayle <roger@eyesopen.com>
2208 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2209 integer constants other than zero are only legitimate on TARGET_64BIT.
2210 <CONST_VECTOR> Only zero vectors are legitimate.
2211 (ix86_cannot_force_const_mem): Integral and vector constants can
2212 always be put in the constant pool.
2214 2006-05-16 DJ Delorie <dj@redhat.com>
2216 * crtstuff.c (__dso_handle): Set section from
2217 TARGET_LBIGCC_SDATA_SECTION if defined.
2218 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2219 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2221 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2224 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2227 2006-05-16 Ben Elliston <bje@au.ibm.com>
2229 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2231 2006-05-15 Per Bothner <per@bothner.com>
2233 * tree.c: (last_annotated_node): Use source_locus typedef.
2234 This permits bootstrapping with --enable-mapped-location.
2236 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2238 PR tree-optimization/26830
2239 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2240 (info_for_ssa_name, current_info_for_ssa_name_age,
2241 blocks_to_update): New variables.
2242 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2243 (clear_ssa_name_info, initialize_flags_in_bb,
2244 mark_block_for_update): New functions.
2245 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2246 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2247 prepare_def_site_for): Use mark_block_for_update.
2248 (mark_def_interesting): Assert that the processed block is marked in
2249 blocks_to_update. Do not take blocks argument.
2250 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2252 (rewrite_update_init_block, rewrite_update_stmt): Only process
2253 blocks with statements to rewrite.
2254 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2255 (update_ssa): Initialize and free blocks_to_update. Do not
2256 clear flags on statements. Do not use blocks bitmap.
2257 * tree.h (SSA_NAME_AUX): Removed.
2258 (struct tree_ssa_name): Removed aux field.
2259 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2261 2006-05-15 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/27603
2264 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2265 Do computations in original type.
2267 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2269 * see.c: Code style changes such as redundant paranthesis,
2270 redundant intialization of local variables etc.
2271 (see_main): Declared now as static.
2272 * doc/invoke.texi: Update that -fsee is not enabled by
2275 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2277 * omp-low.c (check_omp_nesting_restrictions): New function.
2278 (scan_omp_1): Call it.
2281 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2282 construct, return *VAR.
2284 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2286 PR rtl-optimization/27406
2287 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2290 2006-05-14 Roger Sayle <roger@eyesopen.com>
2292 PR rtl-optimization/27538
2293 * combine.c (expand_compound_operation): Call gen_lowpart
2294 before calling simplify_shift_const.
2296 2006-05-14 Roger Sayle <roger@eyesopen.com>
2298 PR rtl-optimization/22563
2299 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2300 a fixed width bitfield, always force the intermediates into psuedos.
2302 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2305 * mkconfig.sh: Use operator = instead of == for test.
2307 2006-05-13 Nick Clifton <nickc@redhat.com>
2309 * dwarf2out.c (dbx_reg_number): Check return value from
2310 LEAF_REG_REMAP and only use it if it is valid.
2311 (multiple_reg_loc_descriptor): Likewise.
2313 2006-05-13 Richard Guenther <rguenther@suse.de>
2315 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2318 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2320 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2321 information attached to non-INSNs such as NOTEs.
2322 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2324 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2326 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2328 * config/s390/s390.md: Adjust comment describing On constraint.
2330 2006-05-11 Jan Hubicka <jh@suse.cz>
2332 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2333 to be output at -O0.
2335 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2338 * fold-const.c (size_binop): Move sanity check for arguments to
2339 the beginning of the function.
2342 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2345 2006-05-11 Richard Guenther <rguenther@suse.de>
2348 * fold-const.c (fold_unary): Handle intermediate conversion
2349 to a pointer type like intermediate conversion to an integer
2350 type in folding of (T1)(T2)var to var.
2351 Match the code to the comment in the final conversion for
2352 (T1)(T2)var to (T1)var regarding to type precision. Rather
2353 than disallow T1 being of pointer type, assert that both T1
2354 and var are of pointer type or not. Make sure not to fall
2355 over the frontends lazyness wrt array to pointer decay though.
2357 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2359 * arm.c (arm_struct_value_rtx): Delete.
2360 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2361 (arm_init_cumulative_args): Always initialize nregs to zero.
2363 2006-05-10 Richard Guenther <rguenther@suse.de>
2365 PR tree-optimization/27532
2366 * tree-object-size.c (plus_expr_object_size): Fix typo.
2368 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2371 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2372 ashrdi_const, ashrdi3): Use a scratch register.
2374 2006-05-10 Richard Guenther <rguenther@suse.de>
2376 PR tree-optimization/27302
2377 * fold-const.c (operand_equal_p): For two comparisons,
2378 try comparison of one comparison code swapped if that yields
2381 2006-05-10 Ben Elliston <bje@au.ibm.com>
2383 * tree-pretty-print.c (pretty_print_string): No need to handle
2384 '\0' as a special character.
2386 * tree.h: Include "hashtab.h".
2387 (iterative_hash_expr): Use hashval_t in its prototype.
2388 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2390 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2393 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2394 (hppa*64*-*-hpux11*): Ditto.
2395 (hppa[12]*-*-hpux11*): Ditto.
2397 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2400 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2402 2006-05-09 Michael Matz <matz@suse.de>
2404 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2405 host_extra_gcc_objs and host_xmake_file.
2406 (<*-*-linux*>): Don't overwrite host_xmake_file.
2407 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2408 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2409 (host_detect_local_cpu): Declare.
2410 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2411 * config/i386/i386.c (override_options): Handle -mtune=native
2413 * config/i386/x-i386: New file.
2414 * config/i386/driver-i386.c: New file.
2415 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2418 2006-05-09 Dirk Mueller <dmueller@suse.de>
2419 Richard Guenther <rguenther@suse.de>
2422 * fold-const.c (fold_read_from_constant_string): Relax check
2423 for matching types to matching modes.
2425 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2427 PR rtl-optimization/27335
2428 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2431 2006-05-08 Chao-ying Fu <fu@mips.com>
2432 Richard Sandiford <richard@codesourcery.com>
2434 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2435 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2436 * config/mips/mips.md (UNSPEC_SCC): New constant.
2437 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2438 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2439 (mips_emit_compare): Use it.
2440 (mips_expand_vcondv2sf): New function.
2442 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2444 Fix PR tree-optimization/27093
2445 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2446 renaming when they become not-used_alone.
2448 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2450 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2451 relocation and relocation stubs.
2453 2006-05-08 Eric Christopher <echristo@apple.com>
2455 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2458 2006-05-08 Jan Hubicka <jh@suse.cz>
2461 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2462 unused static functions are needed.
2464 2006-05-08 Roger Sayle <roger@eyesopen.com>
2467 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2468 of a reg_equiv_constant if the result is a legitimate constant.
2470 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2473 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2474 standard 80387 constants, raise the cost to prevent
2475 compress_float_constant() to generate load from memory.
2477 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2479 * config/arm/constraints.md (c): Fix a typo.
2481 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2484 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2487 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2489 (_mm_mwait): Likewise.
2491 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2493 (sse3_monitor): Make it 32bit only.
2494 (sse3_monitor64): New. 64bit monitor.
2496 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2499 * config/i386/i386.c (classify_argument): Skip fields with invalid
2502 2006-05-07 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/27409
2505 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2506 Do not try to find zero-sized subvars.
2508 2006-05-07 Richard Guenther <rguenther@suse.de>
2510 PR tree-optimization/27136
2511 * tree-ssa-loop-niter.c (get_val_for): Correct function
2512 comment, assert requirements.
2513 (loop_niter_by_eval): Stop processing if the iterated
2514 value did not simplify.
2516 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2518 * opts.c (flag_see): remove its setting at -O3.
2520 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2522 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2523 * arm/constraints.md: New file.
2524 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2525 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2526 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2527 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2528 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2529 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2530 * arm.md: Include constraints.md.
2531 (thumb_movsi_insn): Use satisfies_constraint_J.
2532 (movhi, movqi): Use satisfies_constraint_I.
2534 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2536 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2537 for atmeg a645 device.
2539 2006-05-06 Richard Guenther <rguenther@suse.de>
2541 PR tree-optimization/27151
2542 * tree-vect-transform.c (vectorizable_condition): Punt on
2543 values that have a different type than the condition.
2545 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2548 * c-parser.c (c_parser_cast_expression): Only insert casts into
2549 hash table if pointer.
2550 * function.c (used_types_insert_helper): Rename from
2552 (used_types_insert): Call used_types_insert_helper.
2553 * function.h (used_types_insert): Accept only one argument.
2555 2006-05-05 David Edelsohn <edesohn@gnu.org>
2557 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2558 scratch with output modifier.
2560 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2563 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2564 with output modifier.
2566 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2569 * config/mips/mips.c (mips_symbolic_address_p): Return true
2570 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2571 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2573 2006-05-04 Richard Guenther <rguenther@suse.de>
2575 PR tree-optimization/14287
2576 PR tree-optimization/14844
2577 PR tree-optimization/19792
2578 PR tree-optimization/21608
2579 PR tree-optimization/27090
2580 * tree-ssa-pre.c (try_combine_conversion): New function.
2581 (compute_avail): After constructing the value-handle
2582 expression, use try_combine_conversion to combine NOP_EXPRs
2583 with previous value-handle expressions and use the result if it
2586 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2588 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2590 2006-05-04 Jan Hubicka <jh@suse.cz>
2593 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2595 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2597 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2598 that this only matches CONST_INTs. All users changed to VOIDmode
2601 * config/bfin/bfin.c: Include "optabs.h".
2602 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2604 (enum bfin_builtins): Add a number of fractional and vector builtins.
2605 (bfin_init_builtins): Likewise.
2606 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2607 (safe_vector_operand, bfin_expand_binop_builtin,
2608 bfin_expand_unop_builtin): New functions.
2609 (bfin_expand_builtin): Handle the new builtins.
2610 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2613 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2616 * Makefile.in (OBJS-common): Add see.o.
2617 (see.o): Add dependencies.
2618 * common.opt (fsee): New flag for the see optimization was added.
2619 * opts.c (flag_see): Initialized.
2620 * passes.c (init_optimization_passes, pass_see): New pass.
2621 * rtl.h (see_main): Declaration as extern.
2622 * timevar.def (TV_SEE): New.
2623 * tree-pass.h (pass_see): Declaration as extern.
2624 * invoke.texi (-fsee): Document.
2625 * recog.c (validate_simplify_insn): New function.
2626 * recog.h (validate_simplify_insn): Declaration as extern.
2627 * df-problems.c (df_chain_dump): Check for NULL.
2629 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2630 Daniel Berlin <dberlin@dberlin.org>
2632 * cfgrtl.c (insert_insn_bb_end_new): New function.
2633 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2635 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2637 * df.h (struct web_entry): Moved from web.c.
2638 (union_defs): Declaration as extern.
2639 (unionfind_root): Likewise.
2640 (unionfind_union): Likewise.
2641 * web.c (struct web_entry): Moved to df.h.
2642 (unionfind_root): Remove static declaration.
2643 (unionfind_union): Likewise.
2644 (union_defs): Likewise and generalize to use callback function.
2645 (web_main): Update arguments for union_defs function call.
2647 2006-05-04 Richard Guenther <rguenther@suse.de>
2649 PR tree-optimization/26447
2650 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2651 produce SSA_NAME copies before the store stmt to avoid
2652 breaking exception handling.
2654 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2657 * gimplify.c (omp_is_private): If var is shared in some outer context,
2658 return false instead of true. Stop searching on parallel context
2661 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2664 * coverage.c: Use get_gcov_unsigned_t() instead of
2665 unsigned_type_node all over.
2667 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2669 PR tree-optimization/27381
2670 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2671 maintain the same immediate_use links.
2672 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2673 node rather than segfaulting.
2675 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2678 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2679 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2680 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2682 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2684 Fix PR tree-optimization/26626
2685 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2687 * tree-ssa-operands.c (access_can_touch_variable): Allow
2688 typecasting through union pointers.
2690 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2693 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2694 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2695 to find if var will be a global variable even in the nested context.
2696 (omp_copy_decl): Only check for global variable at the end, it might
2697 be overridden in outer contexts.
2698 (scan_sharing_clauses): For global variables don't create a field.
2699 (lower_rec_input_clauses): Do nothing for global shared variables.
2700 Emit a barrier at the end of ILIST if there were any decls in both
2701 firstprivate and lastprivate clauses.
2702 (lower_send_clauses): Do nothing for global variables except for
2705 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2707 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2708 of the correct signedness is returned.
2710 2006-05-02 Jeff Law <law@redhat.com>
2712 PR tree-optimization/27364
2713 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2714 multiply expressions.
2716 2006-05-02 Tom Tromey <tromey@redhat.com>
2718 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2720 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2723 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2724 -mthumb -fPIC are used.
2726 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2727 Joshua Kinard <kumba@gentoo.org>
2730 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2731 with 64-bit pointers.
2733 2006-05-02 Paul Brook <paul@codesourcery.com>
2735 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2737 (create_fix_barrier): Check that a suitable barrier location is
2739 (arm_reorg): Include ftmp->address in allowable range of addresses.
2741 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2744 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2747 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2750 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2751 around RESULT_DECL for result passed by reference.
2752 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2753 * omp-low.c (use_pointer_for_field): Don't look at
2754 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2755 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2756 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2757 time or var for passing by reference for
2758 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2759 TREE_ADDRESSABLE variables when passing by reference.
2761 * omp-low.c (dump_omp_region): Fix output formatting.
2764 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2765 (expand_omp_parallel): Likewise.
2766 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2769 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2770 on statement list containing also constructors and destructors.
2771 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2774 * except.c (duplicate_eh_regions): Fix clearing of
2775 cfun->eh->region_array entries.
2777 2006-05-01 DJ Delorie <dj@redhat.com>
2779 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2781 (gcc_cv_objdump): Likewise.
2782 * configure: Regenerated.
2784 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2787 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2788 templates for case 3 and 4.
2790 2006-05-01 DJ Delorie <dj@redhat.com>
2792 * vec.c: Include bconfig.h when appropriate.
2793 * Makefile.in (build/vec.o): Adjust dependencies.
2794 * mkconfig.sh: Make sure config.h isn't used for build machine
2797 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2799 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2801 (mark_phi_for_rewrite): New function.
2802 (insert_phi_nodes_for, mark_use_interesting): Call
2803 mark_phi_for_rewrite.
2804 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2805 (update_ssa): Initialize and free phis_to_rewrite.
2807 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2809 PR rtl-optimization/27291
2810 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2811 folded to a constant.
2813 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2815 PR tree-optimization/27283
2816 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2817 not whole # of iteration descriptions.
2818 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2819 uses abnormal ssa name.
2820 (niter_for_single_dom_exit): Ditto.
2821 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2822 return just the number of iterations.
2824 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2826 PR tree-optimization/27144
2827 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2828 (record_estimate): Only record constant upper bound.
2829 (infer_loop_bounds_from_undefined): Call
2830 compute_estimated_nb_iterations just once.
2831 (proved_non_wrapping_p): Renamed to ...
2832 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2833 (convert_step_widening, scev_probably_wraps_p): Call
2834 n_of_executions_at_most instead of proved_non_wrapping_p.
2835 (substitute_in_loop_info): Do not replace values in bounds.
2836 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2839 2006-05-01 Richard Henderson <rth@redhat.com>
2842 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2843 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2846 2006-05-01 Roger Sayle <roger@eyesopen.com>
2848 * c-typeck.c (parser_build_binary_op): Don't call the function
2849 unsigned_conversion_warning to spot operand/result type overflow.
2850 (build_binary_op): Instead, call convert_and_check instead of
2851 convert to report the problem when the operands are promoted.
2852 * c-common.c (unsigned_conversion_warning): Make static.
2853 * c-common.h (unsigned_conversion_warning): Delete prototype.
2855 2006-05-01 Richard Guenther <rguenther@suse.de>
2857 PR tree-optimization/26726
2858 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2860 (find_interesting_uses_address): ... we work around here
2861 by folding INDIRECT_REFs in the substituted base.
2863 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2865 * omp-low.c (dump_omp_region): Add newlines.
2867 2006-04-30 Roger Sayle <roger@eyesopen.com>
2869 * common.opt (Woverflow): New command line option.
2870 * c-common.c (constant_expression_warning): Check warn_overflow.
2871 (overflow_waring): Pass OPT_Woverflow to warning.
2872 (unsigned_conversion_warning): Likewise.
2873 (convert_and_check): Likewise.
2874 * doc/invoke.texi: Document new command line option.
2876 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2878 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2879 TARGET_NO_FP_IN_TOC for section anchors.
2880 (optimization_options): Enable section anchors for all
2881 non-"Objective" languages.
2883 2006-04-28 Eric Christopher <echristo@apple.com>
2885 * config/darwin-c.c (darwin_ms_struct): Move this
2886 (darwin_set_default_type_attributes): and this...
2887 * config/darwin.c: ... here.
2888 * config/darwin.h (darwin_ms_struct): Declare.
2890 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2892 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2894 2006-04-28 Roger Sayle <roger@eyesopen.com>
2897 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2898 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2899 an unsigned HOST_WIDE_INT.
2900 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2902 (really_start_incremental_init): No need to call convert because
2903 bitsize_zero_node is already of type bitsizetype.
2904 (push_init_level): Extract the value of constructor_index as an
2905 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2906 (process_init_element): Likewise.
2908 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2910 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2911 value before passing to make_relative_prefix.
2913 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2916 * builtins.c (expand_builtin_memset): Expand val in original mode.
2918 2006-04-27 Eric Christopher <echristo@apple.com>
2920 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2921 with #ifndef/#endif.
2922 * config/darwin-c.c (darwin_ms_struct): New.
2923 (darwin_pragma_ms_struct): Ditto.
2924 (darwin_set_default_type_attributes): Ditto.
2925 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2926 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2927 Register ms_struct pragma.
2928 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2929 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2930 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2931 darwin_set_default_type_attributes if TARGET_MACHO.
2933 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2935 PR tree-optimization/26854
2936 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2937 * doc/tree-ssa.texi: Update immuse iterator documentation.
2938 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2939 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2940 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2941 first_safe_imm_use, next_safe_imm_use): Remove.
2942 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2943 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2944 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2945 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2946 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2947 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2948 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2949 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2950 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2951 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2952 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2953 (perfect_nestify): Use new iterator.
2954 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2956 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2957 (next_imm_name): New field in struct immediate_use_iterator_d.
2958 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2959 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2960 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2961 * tree-cfg.c (replace_uses_by): Use new iterator.
2962 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2963 * tree-ssa-operands.c (correct_use_link): Remove.
2964 (finalize_ssa_use_ops): No longer call correct_use_link.
2966 2006-04-27 Stuart Hastings <stuart@apple.com>
2968 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2969 * config/t-darwin (crt3.o): Use it.
2970 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2971 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2972 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2973 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2974 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2977 2006-04-27 Roger Sayle <roger@eyesopen.com>
2979 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2980 size, force the intermediate into a new pseudo rather instead of
2981 performing both a bitwise AND and a bitwise IOR in memory.
2983 2006-04-27 Richard Guenther <rguenther@suse.de>
2985 PR rtl-optimization/26685
2986 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2987 this one "max-flow-memory-locations".
2989 2006-04-27 Richard Guenther <rguenther@suse.de>
2991 PR tree-optimization/25148
2992 * tree-vrp.c (compare_values): Remove code dealing with
2993 comparisons against type min/max value. Honour overflow
2994 and negative constants in code dealing with comparisons
2995 of plus and minus expressions.
2996 (value_inside_range): Use fold_binary with LE_EXPR and
2997 GE_EXPR rather than compare_values.
2999 2006-04-27 Dirk Mueller <dmueller@suse.de>
3001 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3004 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3006 * basic-block.h (safe_insert_insn_on_edge): Removed.
3007 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3009 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3010 Paolo Bonzini <bonzini@gnu.org>
3013 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3014 (simplify_and_const_int): Same.
3016 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3018 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3020 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3023 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3024 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3025 cgraph_global_info_ready.
3028 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3031 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3032 either decl or init is error_mark_node.
3035 * tree-flow.h (struct omp_region): Add sched_kind.
3036 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3037 instead of extracting omp for data.
3038 (expand_omp_for): Save extracted sched_kind.
3040 2006-04-25 Roger Sayle <roger@eyesopen.com>
3042 * expmed.c (store_bit_field): Also check whether the bitsize is
3043 valid for the machine's "insv" instruction before moving the
3044 target into a pseudo for use with the insv.
3045 * config/i386/predicates.md (const8_operand): New predicate.
3046 * config/i386/i386.md (extv, extzv, insv): Use the new
3047 const8_operand predicate where appropriate.
3049 2006-04-25 DJ Delorie <dj@redhat.com>
3051 * doc/install.texi (Specific): Clarify that this is not a list of
3052 supported hosts or targets.
3054 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3056 PR rtl-optimization/26725
3057 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3058 block's BB_DIRTY flag.
3060 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3062 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3065 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3066 to print an integer.
3068 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3070 * varasm.c (align_variable): New function.
3071 (get_block_for_decl): Apply align_variable to DECL before
3072 calculating section information.
3073 (assemble_variable): Split out alignment computation.
3075 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3077 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3080 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3082 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3083 MODE_PARTIAL_INT mode.
3084 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3085 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3087 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3088 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3090 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3092 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3094 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3095 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3096 MACFLAG_IH): Likewise.
3097 (movstricthi_1): Renamed from "*movstricthi".
3098 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3099 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3100 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3101 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3102 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3103 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3104 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3105 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3106 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3107 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3108 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3109 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3110 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3111 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3112 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3114 * doc/rtl.texi (ss_ashift): Improve wording.
3116 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3118 * dwarf2out.c (verify_marks_clear): New.
3119 (prune_unused_types): Call verify_marks_clear initially, not
3122 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3124 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3125 * doc/rtl.texi: Document them.
3126 * simplify-rtx.c (simplify_unary_operation,
3127 simplify_binary_operation_1): Don't abort when we see them.
3129 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3132 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3133 * configure.ac: Completely disregard languages that are not
3135 * configure: Regenerated.
3137 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3138 Richard Guenther <rguenther@suse.de>
3140 PR tree-optimization/27236
3141 * tree-inline.c (copy_body_r): Make sure to copy
3142 TREE_THIS_VOLATILE flag.
3144 2006-04-24 Richard Guenther <rguenther@suse.de>
3147 * tree-complex.c (update_parameter_components): Don't handle
3148 unused parameters which have no default def.
3150 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3151 Richard Guenther <rguenther@suse.de>
3153 PR tree-optimization/27218
3154 * tree-inline.c (expand_call_inline): Strip useless type
3155 conversions for the return slot address.
3157 2006-04-24 Richard Guenther <rguenther@suse.de>
3159 * cfgloop.h (struct loops): Remove unused field array. Reorder
3161 (LOOP_PREFETCH): Remove.
3163 2006-04-24 Richard Guenther <rguenther@suse.de>
3165 PR tree-optimization/22525
3166 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3167 variable, adjust types of generated expressions.
3169 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3171 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3172 (tree-vect-patterns.o): Likewise.
3174 (cselib.o): Likewise.
3175 (loop-doloop.o): Likewise.
3176 (regclass.o): Likewise.
3177 (reload1.o): Likewise.
3178 (explow.o): Replace target.h with $(TARGET_H).
3179 (ipa-prop.o): Likewise.
3180 (ipa-cp.o): Likewise.
3181 (ipa-inline.o): Likewise.
3182 (reorg.o): Likewise.
3183 (reg-stack.o): Likewise.
3185 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3187 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3189 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3191 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3193 * configure.ac: Completely disregard languages that are not
3195 * configure: Regenerated.
3198 * c-common.h (c_build_bitfield_integer_type): Declare.
3199 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3200 * c-common.c (c_build_bitfield_integer_type): ... here.
3202 2006-04-23 Roger Sayle <roger@eyesopen.com>
3205 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3206 a SImode SUBREG of a floating point register after no_new_pseudos.
3208 2006-04-23 Roger Sayle <roger@eyesopen.com>
3210 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3211 identify potentially eliminable registers to additionally catch
3212 VIRTUAL_INCOMING_ARGS_REGNUM.
3213 (addsi3): Update the conditions on when to use addsi_small_int.
3215 2006-04-23 Roger Sayle <roger@eyesopen.com>
3218 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3219 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3220 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3222 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3224 * fold-const.c (range_predecessor): Use operand_equal_p
3225 as the predicate for equality.
3226 (range_successor): Likewise.
3228 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3231 * config/soft-fp/op-common.h: Fix a typo.
3233 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3236 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3237 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3239 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3241 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3243 * doc/tm.texi: Fix a typo.
3245 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3247 * dwarf2out.c (struct die_struct): Document that die_sib makes
3248 a circular linked list.
3249 (FOR_EACH_CHILD): New.
3250 (reverse_die_lists): Delete.
3251 (reverse_all_dies): Delete.
3252 (add_dwarf_attr): Correct documentation.
3253 (remove_child_with_prev): New.
3254 (remove_child_TAG): Update for change to die_struct, use
3255 remove_child_with_prev.
3256 (add_child_die): Update for change to die_struct.
3257 (splice_child_die): Use remove_child_with_prev and add_child_die.
3258 (print_die): Use FOR_EACH_CHILD.
3259 (die_checksum): Likewise.
3260 (assign_symbol_names): Likewise.
3261 (output_location_lists): Likewise.
3262 (build_abbrev_table): Likewise.
3263 (calc_die_sizes): Likewise.
3264 (mark_dies): Likewise.
3265 (unmark_dies): Likewise.
3266 (unmark_all_dies): Likewise.
3267 (output_die): Likewise.
3268 (prune_unused_types_mark): Likewise.
3269 (prune_unused_types_walk): Likewise.
3270 (same_die_p): Update for change to die_struct.
3271 (break_out_includes): Likewise.
3272 (prune_unused_types_prune): Likewise.
3273 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3274 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3276 (dwarf2out_finish): Don't call reverse_all_dies.
3278 2006-04-21 Eric Christopher <echristo@apple.com>
3280 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3281 in comments and function names.
3283 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3286 * c-typeck.c (digest_init): Robustify.
3288 * c-typeck.c (pop_init_level): Simplify.
3290 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3292 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3294 2006-04-21 Paul Brook <paul@codesourcery.com>
3296 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3297 hardware floating point.
3299 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3301 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3304 2006-04-21 Nick Clifton <nickc@redhat.com>
3306 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3309 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3312 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3313 C++ lang type in traceback table for Objective-C++.
3315 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3317 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3319 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3321 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3324 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3325 were errors. Remove check for erroneous objects.
3327 2006-04-20 Jeff Law <law@redhat.com>
3329 PR tree-optimization/26854
3330 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3331 checking for zero or one use.
3332 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3333 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3334 * tree-ssa-reassoc.c (negate_value): Similarly.
3335 (reassociate_bb): Similarly.
3337 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3339 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3340 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3341 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3343 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3345 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3346 fp regs if the last fp arg doesn't fit in regs.
3348 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3351 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3352 that the last insn has the REG_INC note.
3354 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3355 Nathan Sidwell <nathan@codesourcery.com>
3358 * stor-layout.c (update_alignment_for_field): Do not align
3360 (place_union_field): Place union field at the start of the union.
3361 (place_field): Move ERROR_MARK check later, and use the current
3362 allocation position to maintain monotonicity.
3364 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3366 * dominance.c: Include timevar.h.
3367 (calculate_dominance_info): Use TV_DOMINANCE.
3368 * timevar.def (TV_DOMINANCE): New timevar.
3369 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3371 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3373 PR rtl-optimization/14261
3374 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3375 move would be an INSV insn.
3376 (noce_process_if_block): Don't optimize if the destination is a
3377 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3379 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3381 * config/s390/s390.md: Add comments with the instructions emitted
3382 by an insn pattern if macros are used.
3384 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3386 PR rtl-optimization/26026
3387 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3388 is a known power of two shifted left a variable amount.
3390 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3392 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3393 to hash table twice when the debug_str section has SECTION_MERGE.
3395 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3397 * config/soft-fp: New directory. From glibc.
3398 * config/soft-fp/t-softfp: New.
3399 * config/soft-fp/README: New.
3400 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3401 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3402 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3403 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3404 * config.gcc: Use rs6000/t-fprules-fpbit or
3405 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3407 * config/rs6000/sfp-machine.h: New. Based on glibc.
3408 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3410 * config/rs6000/t-fprules: Remove fp-bit rules.
3411 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3412 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3413 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3414 (softfp_wrap_start, softfp_wrap_end): New.
3416 2006-04-18 DJ Delorie <dj@redhat.com>
3418 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3420 2006-04-18 Devang Patel <dpatel@apple.com>
3422 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3424 2006-04-18 Nick Clifton <nickc@redhat.com>
3426 * config/sh/t-symbian: Add rule to build sh-c.o
3427 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3428 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3429 (sh_symbian_encode_section_info): Likewise.
3431 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3433 * builtins.c (expand_builtin_strcmp): Cover label definition of
3434 do_libcall with HAVE_cmpstrnsi.
3436 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3438 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3440 * function.h (temp_slot_p): New.
3441 (function): Change the type of x_used_temp_slots to
3442 VEC(temp_slot_p,gc) *.
3444 2006-04-18 Nick Clifton <nickc@redhat.com>
3446 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3447 flag_strength_reduce.
3449 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3451 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3455 Partial revert of revision 112637
3456 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3457 Dale Johannesen <dalej@apple.com>
3460 * regclass.c (struct reg_pref): Update documentation.
3461 (regclass): Set prefclass to NO_REGS if memory is the best option.
3462 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3464 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3466 PR tree-optimization/26821
3467 * tree-ssa-math-opts.c (get_constant_one): New.
3468 (insert_reciprocals): Use it.
3470 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3472 * dwarf2out.c (free_AT): Delete.
3473 (remove_AT): Update string ref counts.
3474 (remove_child_TAG): Don't call free_die.
3476 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3477 or DW_TAG_GNU_EINCL.
3478 (prune_unused_types_walk_attribs): Reset string refcounts.
3479 (prune_unused_types_update_strings): New.
3480 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3481 call free_die. Do call prune_unused_types_update_strings.
3482 (prune_unused_types): Empty debug_str_hash.
3484 2006-04-17 Roger Sayle <roger@eyesopen.com>
3486 * expr.c (expand_assignment): Optimize away no-op moves where the
3487 source and destination are equal and have no side-effects.
3489 2006-04-17 Richard Guenther <rguenther@suse.de>
3492 * reload.c (push_reload): Guard calls to get_secondary_mem
3495 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3497 * alias.c (reg_base_value, old_reg_base_value): Change the
3498 type to VEC(rtx,gc) *.
3499 (REG_BASE_VALUE, find_base_value, record_set,
3500 init_alias_analysis): Use VEC instead of VARRAY.
3502 * alias.c (alias_sets): Change the type to
3503 VEC(alias_set_entry,gc) *.
3504 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3505 VEC instead of VARRAY.
3506 (last_alias_set): Remove.
3508 * cgraph.h (cgraph_edge_p): New.
3509 Update the prototype of cgraph_function_versioning.
3510 * cgraphunit.c (cgraph_copy_node_for_versioning,
3511 cgraph_function_versioning): Use VEC instead of VARRAY.
3512 * ipa-cp.c (ipcp_insert_stage): Likewise.
3514 2006-04-16 Roger Sayle <roger@eyesopen.com>
3517 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3518 "A op B" or "A op C", we may need to convert A to the type of B and C.
3520 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3522 * target.h (struct gcc_target): Add mode_rep_extended.
3523 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3524 (init_num_sign_bit_copies_in_rep): Initialize it using
3526 (truncate_to_mode): Use it.
3527 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3528 * targhooks.h (default_mode_rep_extended): Declare it.
3529 * targhooks.c (default_mode_rep_extended): Define it.
3530 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3531 default_mode_rep_extended.
3532 (TARGET_INITIALIZER): Include it.
3533 * doc/tm.texi (Misc): Document it.
3534 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3535 (mips_truncated_to_mode): New function.
3537 2006-04-16 Roger Sayle <roger@eyesopen.com>
3540 * expr.c (compress_float_constant): Copy the narrow constant into
3541 a new pseudo before extending it to its final width.
3543 2006-04-16 Roger Sayle <roger@eyesopen.com>
3544 Andrew Pinski <pinskia@gcc.gnu.org>
3545 Dale Johannesen <dalej@apple.com>
3548 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3549 special case code to implement V8HImode and V16QImode with SSE2.
3551 2006-04-15 Roger Sayle <roger@eyesopen.com>
3553 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3554 trees are constructed with a suitable tree type.
3556 2006-04-15 Roger Sayle <roger@eyesopen.com>
3558 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3559 (integer_onep): Likewise.
3560 (integer_all_onesp): Likewise.
3561 (integer_pow2p): Likewise.
3562 (integer_nonzerop): Likewise.
3563 (real_zerop): Likewise.
3564 (real_onep): Likewise.
3565 (real_twop): Likewise.
3566 (real_minus_onep): Likewise.
3567 (int_size_in_bytes): Likewise.
3568 (host_integerp): Likewise.
3570 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3572 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3573 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3574 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3576 * tree-ssa-structalias.h (alias_info): Remove num_references.
3578 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3580 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3581 (output_bvb patterns): Likewise.
3582 * pa.c (output_bb): Use 'bb' insn for long branch case.
3583 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3584 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3585 1. Correct length operand for alternatives 1 and 2.
3586 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3587 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3589 2006-04-14 Roger Sayle <roger@eyesopen.com>
3591 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3592 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3593 were accidentally reverted by r112959.
3595 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3598 * except.h (eh_region_outermost): New prototype.
3599 * except.c (eh_region_outermost): New function.
3600 * tree-cfg.c (find_outermost_region_in_block): Use it.
3602 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3604 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3606 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3607 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3608 (init_reload, reload): Use VEC instead of VARRAY.
3609 * reload.h: Update the prototype for
3610 reg_equiv_memory_loc_varray.
3612 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3613 Eric Botcazou <ebotcazou@libertysurf.fr>
3615 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3618 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3621 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3622 to expand fallback builtin function call.
3624 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3627 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3628 and emit libcall here in case the builtin fails.
3629 (expand_builtin_strcmp): Always emit the libcall here on failure.
3631 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3633 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3634 * flow.c (reg_n_info): Change the type to
3635 VEC(reg_info_p,heap) *.
3636 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3638 * regs.h (reg_info_p): New.
3639 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3640 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3641 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3644 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3646 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3648 * params.h (MAX_SCHED_READY_INSNS): New macro.
3649 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3650 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3651 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3652 the ready list for 1 cycle during the first scheduling pass.
3653 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3655 2006-04-13 Richard Henderson <rth@redhat.com>
3658 * gimple-low.c (lower_omp_directive): Remove dead code.
3659 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3660 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3661 * omp-low.c (struct omp_region): Move to tree-flow.h.
3662 (root_omp_region): Export.
3663 (omp_regions, lookup_omp_region): Remove.
3664 (determine_parallel_type): Update for struct omp_region changes.
3665 (dump_omp_region): Dump regions with block numbers.
3666 (new_omp_region): Take type and block instead of stmt; malloc
3668 (free_omp_region_1, free_omp_regions): New.
3669 (expand_parallel_call): Take entry_stmt as argument; update for
3670 changes to omp_region.
3671 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3672 (remove_exit_barriers): New.
3673 (expand_omp_parallel): Update for struct omp_region changes.
3674 (expand_omp_synch): Likewise.
3675 (expand_omp): Likewise.
3676 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3677 (expand_omp_for_static_chunk): Likewise.
3678 (expand_omp_for): Likewise.
3679 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3680 (expand_omp_sections): Similarly, with GOMP_sections_end.
3681 (expand_omp_single): New.
3682 (build_omp_regions_1): Update for OMP_CONTINUE.
3683 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3684 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3685 OMP_SECTIONS_SECTIONS.
3686 (lower_omp_single_simple): Don't emit barrier here.
3687 (lower_omp_single_copy): Likewise.
3688 (lower_omp_single): Fix bindings, and lower to straightline now.
3689 (lower_omp_master, lower_omp_ordered): Likewise.
3690 (lower_omp_critical): Likewise.
3691 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3692 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3693 omp edges, free it afterward.
3694 (make_omp_sections_edges): Remove.
3695 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3696 (move_stmt_r): Handle OMP_CONTINUE.
3697 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3698 statement pointers to basic blocks. Add type member.
3699 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3700 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3701 * tree-inline.c (estimate_num_insns_1): Likewise.
3702 * tree-pretty-print.c (dump_generic_node): Likewise.
3703 * tree-ssa-operands.c (get_expr_operands): Likewise.
3704 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3705 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3706 (OMP_CONTINUE): New.
3707 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3708 (OMP_SECTIONS_SECTIONS): Remove.
3709 (OMP_SECTION_LAST): New.
3710 (OMP_RETURN_NOWAIT): New.
3712 2006-04-13 Roger Sayle <roger@eyesopen.com>
3714 * fold-const.c (native_encode_vector, native_interpret_real):
3715 Correct obvious mistakes in the previous check-in.
3717 2006-04-13 Roger Sayle <roger@eyesopen.com>
3719 * fold-const.c (native_encode_expr): New function to encode
3720 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3721 or VECTOR_CST into a specified buffer.
3722 (native_encode_int): New function.
3723 (native_encode_real): New function.
3724 (native_encode_complex): New function.
3725 (native_encode_vector): New function.
3726 (native_interpret_expr): Inverse of native_encode_expr to convert
3727 a target representation into an INTEGER_CST, REAL_CST etc...
3728 (native_interpret_int): New function.
3729 (native_interpret_real): New function.
3730 (native_interpret_complex): New function.
3731 (native_interpret_vector): New function.
3732 (fold_view_convert_expr): New function to constant fold/evaluate
3733 a VIEW_CONVERT_EXPR of a suitable constant expression.
3734 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3735 Change call of build1 to fold_build1 when constructing a
3738 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3739 Ulrich Weigand <uweigand@de.ibm.com>
3742 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3745 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3748 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3749 optimize to lo_sum for DFmode if !TARGET_FPRS.
3751 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3753 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3754 delete_alias_info, compute_flow_sensitive_aliasing,
3755 group_aliases): Use VEC instead of VARRAY.
3756 * tree-ssa-structalias.c (update_alias_info): Likewise.
3757 * tree-ssa-structalias.h (alias_info): Change the type of
3758 processed_ptrs to VEC(tree,heap) *.
3760 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3763 * config/sh/lib1funcs.h: New file, broken out of:
3764 * config/sh/lib1funcs.asm.
3765 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3767 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3768 * config/sh/lib1funcs-Os-4-200.asm: New file.
3769 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3770 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3771 (EXTRA_MULTILIB_PARTS): Include it.
3772 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3773 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3774 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3775 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3778 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3780 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3781 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3782 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3784 * tree-ssa-live.h: Include vecprim.h.
3785 (tree_partition_associator_d): Change the type of
3786 first_partition to VEC(int,heap) *.
3787 (tpa_first_partition): Use VEC instead of VARRAY.
3789 * Makefile.in (GTFILES): Move functions.h after tree.h.
3790 * function.c (reset_block_changes, record_block_change,
3791 check_block_change, free_block_changes): Use VEC instead of
3793 * function.h (function): Change the type of
3794 ib_boundaries_block to VEC(tree,gc) *.
3795 * tree-inline.c (copy_cfg_body): Initialize
3796 ib_boundaries_block to NULL instead of (varray_type) 0.
3798 2006-04-12 Roger Sayle <roger@eyesopen.com>
3800 * expr.c (emit_group_store): Correct operand order in call to
3801 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3802 a SUBREG_BYTE of zero.
3804 2006-04-12 Richard Guenther <rguenther@suse.de>
3806 * profile.c (compute_branch_probabilities): Remove code
3807 encapsulated in !ir_type (), which are remanents of the
3808 removed RTL profiling code.
3809 * rtl-profile.c: Remove.
3811 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3813 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3814 magic NULL_RTX comment.
3815 (function_arg): Store entire fp arg to mem if any part should go
3817 (rs6000_arg_partial_bytes): Adjust for above change.
3819 2006-04-11 Roger Sayle <roger@eyesopen.com>
3821 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3822 if it hasn't been initialized by dwarf2out_init.
3824 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3826 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3827 symbolic constants in branch patterns.
3829 2006-04-11 Roger Sayle <roger@eyesopen.com>
3831 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3833 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3835 PR rtl-optimization/27073
3836 * gcse.c (try_replace_reg): Revert last change. Continue to search
3837 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3840 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3842 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3843 aggregate types other than record and union types.
3844 (function_arg): Likewise.
3845 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3847 (function_value): In 64-bit mode, return objects that require it
3850 2006-04-11 Roger Sayle <roger@eyesopen.com>
3852 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3854 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3856 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3858 2006-04-03 Jeff Law <law@redhat.com>
3861 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3862 alias information too.
3864 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3866 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3868 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3871 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3872 (premark_used_types_helper): New.
3873 (premark_used_types): New.
3874 (gen_subprogram_die): Call premark_used_types.
3875 (prune_unused_types_walk): Do not prune perennial dies.
3876 * function.c (used_types_insert): New.
3877 * function.h (struct function): Add used_types_hash field.
3878 (used_types_insert): Add prototype.
3879 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3880 * c-parser.c (c_parser_cast_expression): Save casted types in used
3883 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3886 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3887 rs6000_explicit_options.float_gprs.
3889 2006-04-10 Roger Sayle <roger@eyesopen.com>
3891 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3892 from ix86_expand_vector_init_low_nonzero. Take an additional
3893 one_var argument indicating which element is non-zero. Support
3894 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3895 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3896 with one_var instead of ix86_expand_vector_init_low_nonzero.
3898 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3900 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3901 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3902 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3903 build/genextract.o): Depend on vecprim.h.
3904 * cfglayout.c, df-problems.c, function.c, genextract.c,
3905 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3906 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3910 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3912 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3913 Declare VECs of this type.
3914 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3915 (remove_children): Delete.
3916 (add_dwarf_attr): Use VEC routines.
3917 (add_AT_flag): Update for changes to add_dwarf_attr.
3918 (add_AT_int): Likewise.
3919 (add_AT_unsigned): Likewise.
3920 (add_AT_long_long): Likewise.
3921 (add_AT_vec): Likewise.
3922 (add_AT_string): Likewise.
3923 (add_AT_die_ref): Likewise.
3924 (add_AT_fde_ref): Likewise.
3925 (add_AT_loc): Likewise.
3926 (add_AT_loc_list): Likewise.
3927 (add_AT_addr): Likewise.
3928 (add_AT_lbl_id): Likewise.
3929 (add_AT_lineptr): Likewise.
3930 (add_AT_macptr): Likewise.
3931 (add_AT_offset): Likewise.
3932 (add_AT_range_list): Likewise.
3933 (get_AT): Use VEC_iterate.
3934 (remove_AT): Use VEC_ordered_remove.
3935 (free_die): Fold remove_children into here; have it use VEC_iterate.
3936 (print_die): Use VEC_iterate on attrs.
3937 (reverse_die_lists): Don't reverse attr lists.
3938 (die_checksum): Use VEC_iterate on attrs.
3939 (same_die_p): Likewise.
3940 (output_location_lists): Likewise.
3941 (build_abbrev_table): Likewise.
3942 (size_of_die): Likewise.
3943 (unmark_all_dies): Likewise.
3944 (output_abbrev_section): Likewise.
3945 (output_die): Likewise.
3946 (prune_unused_types_walk_attribs): Likewise.
3948 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3950 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3952 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3955 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3957 2006-04-09 Roger Sayle <roger@eyesopen.com>
3959 * expr.c (store_constructor): Don't bother clearing target if
3960 we're about to assign a vector to it using vec_init_optab.
3962 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3964 * tree-ssa-alias.c (lhs_may_store_to): New function.
3965 (recalculate_used_alone): Handle LHS of calls.
3967 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3971 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3972 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3973 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3974 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3975 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3976 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3977 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3978 stubs. Add ".align 8" directives before all ".dword" directives.
3979 (GTHREAD_USE_WEAK): Revise comment.
3980 (TARGET_ATTRIBUTE_WEAK): Define.
3981 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3982 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3983 * stublib.c: New file.
3988 * pa.md (cbranch patterns): Revise arguments used in calls to
3989 output_cbranch, output_bb and output_bvd. Add long branch length
3991 (fbranch patterns): Handle long branches.
3992 (jump): Revise length check. Revise arguments for output_lbranch call.
3993 Add long branch length attributes.
3994 (decrement_and_branch_until_zero): Add long branch length attributes.
3995 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3996 Likewise. Revise arguments for output_parallel_addb and
3997 output_parallel_movb calls.
3998 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3999 output_parallel_movb and output_parallel_addb): Update prototypes.
4000 * pa.c (output_cbranch): Revise arguments. Correct handling of
4001 nullification in long branches.
4002 (output_lbranch): Add new argument to control extraction of delay
4004 (output_bb): Handle long branches.
4005 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4006 output_parallel_addb): Likewise.
4008 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4010 PR rtl-optimization/27073
4011 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4014 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4016 * tree.h (tree_memory_tag): Add old_used_alone.
4017 (SMT_OLD_USED_ALONE): New macro.
4018 * tree-ssa-alias.c (recalculate_used_alone): Stop
4019 marking things for renaming unnecessarily.
4021 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4023 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4024 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4025 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4026 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4027 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4028 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4029 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4030 spelling convensions.
4031 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4032 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4033 typos. Follow spelling conventions.
4035 2006-04-07 DJ Delorie <dj@redhat.com>
4037 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4038 passed on the stack.
4039 (m32c_init_cumulative_args): When a function returns a structure,
4040 always pass the pointer to that return area on the stack.
4041 (m32c_function_arg_advance): Don't increment the parameter number
4042 if we're processing the returned structure pointer.
4043 (pushm_info): Reverse order of registers.
4045 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4047 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4048 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4049 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4050 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4052 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4053 chrec_fold_multiply): Same.
4054 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4055 force_expr_to_var_cost): Same.
4056 * tree-mudflap.c (mf_xform_derefs_1): Same.
4057 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4059 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4061 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4062 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4065 2006-04-07 Jan Hubicka <jh@suse.cz>
4067 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4069 2006-04-07 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/26135
4072 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4073 loads for store copy-prop.
4074 (copy_prop_visit_stmt): Likewise.
4076 2006-04-05 Robert Millan <robertmh@gnu.org>
4078 * config/i386/linux.h: Add a comment to mark macros that are
4079 being overriden in config/k*bsd-gnu.h.
4080 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4082 * config/knetbsd-gnu.h: Ditto.
4084 2006-04-06 Jan Hubicka <jh@suse.cz>
4088 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4091 2006-04-06 Mike Stump <mrs@apple.com>
4093 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4094 for HAVE_nonlocal_goto to be consistent.
4095 (expand_builtin_nonlocal_goto): Likewise.
4096 (expand_builtin_strcmp): Use #ifdef instead of #if
4097 for HAVE_cmpstrnsi to be consistent.
4099 2006-04-05 DJ Delorie <dj@redhat.com>
4101 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4104 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4106 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4107 got-relative addressing for anything but SImode.
4109 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4110 even if the calling function doesn't modify them.
4112 2006-04-05 Richard Guenther <rguenther@suse.de>
4114 PR tree-optimization/26919
4115 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4116 to cgraph_estimate_size_after_inlining.
4118 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4120 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4122 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4124 PR tree-optimization/26996
4125 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4126 VECTOR_TYPE variables.
4128 2006-04-05 Richard Guenther <rguenther@suse.de>
4130 PR tree-optimization/26763
4131 * fold-const.c (fold_comparison): Move folding of
4132 PTR + CST CMP PTR + CST ...
4133 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4135 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4137 * doc/install.texi (Prerequisites): Refine some wording on
4138 bootstrapping and ksh.
4139 Move the version numbers of DejaGnu here from the testing section
4140 and fix casing of names.
4141 Fix markup and clarify wording for autogen requirements.
4142 Refer to GCJ instead of just java.
4143 Refer to SVN instead of CVS.
4144 Describe diffutils as useful instead of necessary.
4145 (Downloading the source): Refer to SVN instead of CVS.
4146 Adjust a link to our web site accordingly.
4147 (Configuration): Fix casing of Bison.
4148 (Building): Refer to SVN instead of CVS.
4149 Fix a sentence on the use of Bison and remove duplicate (and
4150 incorrect) version number of Bison requirement.
4151 Remove one redundant list of packages needed for building.
4152 (Specific): Avoid reference to CVS.
4154 2006-04-04 Eric Christopher <echristo@apple.com>
4156 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4157 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4158 (rs6000_handle_struct_attribute): New.
4159 (rs6000_ms_bitfield_layout_p): Ditto.
4161 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4163 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4164 NULL for dso parameter to atexit_common.
4166 2006-04-04 Eric Christopher <echristo@apple.com>
4168 * config/i386/i386.c (machopic_output_stub): Output \t
4169 between instructions and operands.
4171 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4173 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4174 satisfies_constraint_[IL] to explicit tests on value.
4176 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4178 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4179 set_nb_iterations_in_loop): Use build_int_cst instead of
4181 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4182 build_int_cst instead of convert.
4184 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4186 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4187 new value 2 for incoming.
4188 * function.c (expand_function_start): Call struct_value_rtx
4190 * config/sparc/sparc.md: Comment updated_return.
4191 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4192 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4193 struct return if sparc_std_struct_return and incoming is 2.
4194 (print_operand): Do not adjust return if
4195 sparc_std_struct_return.
4197 2006-04-04 Roger Sayle <roger@eyesopen.com>
4199 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4200 convert in the middle-end.
4201 * expr.c (store_expr, store_constructor, get_inner_reference,
4202 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4204 * tree.c (build_range_type): Likewise.
4206 2006-04-04 Tom Tromey <tromey@redhat.com>
4208 * doc/install.texi (Prerequisites): Mention jar.
4210 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4212 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4215 2006-04-04 Matthias Klose <doko@debian.org>
4217 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4218 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4221 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4223 * doc/extend.texi (Function Attributes): Rewrite visibility
4224 attribute documentation.
4225 * doc/invoke.texi (C++ Dialect Options): Rewrite
4226 -fvisibility-inlines-hidden documentation to describe something
4227 entirely different, although in practise compatible.
4228 (Code Gen Options): Warn about system headers in -fvisibility=
4231 * doc/extend.texi (Other Builtins): Document that
4232 __builtin_nan is a compile-time constant only when its argument
4235 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4237 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4238 trying to remove TRUNCATE check if all bits outside the new mode
4239 are identical to the sign bit.
4241 2006-04-03 Jeff Law <law@redhat.com>
4243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4244 and operand scanning in some common cases.
4246 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4247 Dale Johannesen <dalej@apple.com>
4250 * regclass.c (struct reg_pref): Update documentation.
4251 (regclass): Set prefclass to NO_REGS if memory is the best option.
4252 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4253 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4254 into account. For non-registers, equate an empty preferred
4255 reload class to a `!' in the constraint; move the if clause to
4256 do so after those that reject the insn.
4257 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4259 (find_dummy_reload): Likewise.
4260 * doc/tm.texi (Register Classes): Document what it means
4261 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4262 * config/i386/i386.c (ix86_preferred_reload_class): Force
4263 using SSE registers (and return NO_REGS for floating-point
4264 constants) if math is done with SSE.
4265 (ix86_preferred_output_reload_class): New.
4266 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4267 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4268 * config/i386/i386.md: Remove # register preferences.
4270 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4273 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4274 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4275 the type of nb_iter.
4276 (instantiate_parameters_1): Convert the operands before calling
4277 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4278 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4280 2006-04-02 Roger Sayle <roger@eyesopen.com>
4282 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4283 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4285 * dojump.c (do_jump): Likewise.
4286 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4287 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4288 gimplify_boolean_expr): Likewise.
4289 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4290 * varasm.c (array_size_for_constructor): Likewise.
4291 * tree-object-size.c (compute_object_offset): Likewise.
4293 2006-04-02 Roger Sayle <roger@eyesopen.com>
4296 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4297 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4299 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4301 PR tree-optimization/26939
4302 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4304 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4306 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4307 at_stmt. Convert the type of operands before calling
4308 build_polynomial_chrec.
4309 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4311 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4312 (instantiate_parameters_1): Convert the type of operands before calling
4313 build_polynomial_chrec.
4314 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4315 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4316 reset_evolution_in_loop): Insert asserts to check the types of the
4318 (chrec_type): Moved...
4319 (eq_evolutions_p): Use operand_equal_p.
4320 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4321 the types of the operands.
4322 (chrec_type): ...here.
4323 * tree-data-ref.c (create_data_ref): Convert the operands before
4324 calling chrec_replace_initial_condition.
4325 (same_access_functions, analyze_subscript_affine_affine,
4326 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4327 (compute_subscript_distance, analyze_ziv_subscript,
4328 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4329 analyze_miv_subscript): Convert the operands before calling
4330 chrec_fold_minus or chrec_fold_plus.
4332 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4334 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4335 the dependence_relations vector.
4336 (compute_data_dependences_for_loop): Adjust call to
4337 compute_all_dependences.
4339 2006-04-01 Roger Sayle <roger@eyesopen.com>
4340 Richard Henderson <rth@redhat.com>
4342 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4343 gimple_boolify on the condition before calling gimplify_expr.
4345 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4347 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4348 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4349 the frame size. Update to use the new macros.
4350 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4351 * config/xtensa/ieee754-df.S: Likewise.
4353 2006-03-31 Richard Henderson <rth@redhat.com>
4355 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4356 (make_edges): ... here. Control fallthru creation with a local
4357 variable. Do not play with fake edges.
4358 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4359 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4362 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4364 * dwarf2.h (DW64_CIE_ID): Define.
4365 * dwarf2out.c (DWARF_CIE_ID): Define.
4366 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4367 length header. Use DWARF_CIE_ID.
4368 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4369 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4371 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4373 * config/sh/linux-atomic.asm: New file.
4374 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4376 2006-03-31 DJ Delorie <dj@redhat.com>
4378 * config/m32c/cond.md: Set condition flags properly throughout.
4379 * config/m32c/minmax.md: Likewise.
4380 * config/m32c/prologue.md: Likewise.
4381 * config/m32c/bitops.md: Likewise.
4382 * config/m32c/muldiv.md: Likewise.
4383 * config/m32c/mov.md: Likewise.
4384 * config/m32c/addsub.md: Likewise.
4385 * config/m32c/m32c.md: Likewise.
4386 * config/m32c/jump.md: Likewise.
4387 * config/m32c/shift.md: Likewise.
4389 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4390 conditionally output the pattern for this.
4391 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4392 (m32c_compare_redundant): New.
4393 (m32c_output_compare): New.
4394 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4396 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4397 dest, not src. Allow other 4-byte modes.
4399 2006-03-30 Denis Chertykov <denisc@overta.ru>
4401 * doc/md.texi: Refer to avr/constraints.md instead of
4404 2006-03-30 Roger Sayle <roger@eyesopen.com>
4406 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4407 signed vs. unsigned comparison failures on some hosts.
4409 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4412 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4413 change to FLOAT_REGS.
4415 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4416 (rs6000_override_options): Use it.
4417 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4418 only for -mabi=spe/no-spe and -mabi=altivec.
4420 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4422 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4425 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4427 * Makefile.in: Rename docdir to gcc_docdir.
4429 2006-03-30 Roger Sayle <roger@eyesopen.com>
4432 * expr.c (emit_group_store): Optimize group stores into a pseudo
4433 register by using a paradoxical subreg to initialize the destination
4434 if the first or last member of the group specifies a "low part".
4436 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4439 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4440 * target.h (struct gcc_target.speculate_insn): Change type of the
4441 second parameter to 'int'.
4442 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4443 the second operand of the DEPS_LIST.
4444 (copy_DEPS_LIST_list): Update reference to the second operand of the
4446 * rtl.h (alloc_DEPS_LIST): Update signature.
4447 * sched-int.h (ds_t): Change typedef to 'int'.
4448 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4450 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4452 * haifa-sched.c (try_ready): Change condition to restore
4453 non-speculative pattern of the instruction.
4454 (process_insn_depend_be_in_spec): Code to keep probability of the
4455 speculative dependence non-decreasing.
4457 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4459 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4460 (single_move_for_movmem): ... this. Also change all uses.
4461 (bfin_expand_strmov): Renamed to...
4462 (bfin_expand_movmem): ... this. Also change all uses.
4463 * config/bfin/bfin.md (movstrsi): Renamed to...
4464 (movstrsi): ...this.
4466 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4468 PR tree-optimization/26830
4470 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4471 (copy_prop_visit_stmt): Remove write-only variable ann.
4472 (init_copy_prop): Check variable loop depth here. Do not simulate
4473 memory-tag and virtual operand PHIs except for store copy prop.
4475 2006-03-30 Richard Guenther <rguenther@suse.de>
4477 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4478 variants with double arguments.
4480 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4482 * genpreds.c (write_tm_constrs_h): Delete variable p.
4483 * genconditions.c (write_header): Add tm-constrs.h to included
4485 * genpeep.c (main): Add toplev.h to included headers.
4486 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4487 (build/genpeep.o): Add toplev.h dependency.
4488 * config/rs6000/constraints.md: Add "W" constraint.
4490 2006-03-29 Roger Sayle <roger@eyesopen.com>
4492 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4493 sizes by correctly testing whether the size fits a host integer.
4494 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4495 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4496 SImode range for the default sizetype and bitsizetype.
4498 2006-03-29 Roger Sayle <roger@eyesopen.com>
4500 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4501 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4502 quickly if the argument is already of the correct type.
4503 Call fold_build1 instead of build1. Tidy up blank lines.
4505 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4507 * genemit.c (main): Add tm-constrs.h to included headers.
4508 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4509 * genpeep.c (main): Add tm-constrs.h to included headers.
4510 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4511 (write_tm_constrs_h): this and write complete file.
4512 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4513 (write_insn_preds_c): Add tm-constrs.h to included headers.
4514 (gen_constrs): New variable.
4515 (parse_option): Parse "-c".
4516 (main): Invoke write_tm_constrs_h.
4517 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4518 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4519 (object_out_file): Add tm-constrs.h dependency.
4520 (insn-emit.o): Same.
4521 (insn-output.o): Same.
4522 (insn-peep.o): Same.
4523 (insn-preds.o): Same.
4524 (insn-recog.o): Same.
4525 (tm-constsr.h): New target.
4526 (s-constrs-h): New target.
4528 * config/rs6000/constraints.md: New file.
4529 * config/rs6000/rs6000.c: Include tm-constrs.h.
4530 (num_insn_constant_wide): Convert to satisfies_constraint.
4531 (rs6000_rtx_costs): Convert to satisfies_constraint.
4532 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4533 (CONST_OK_FOR_LETTER_P): Delete.
4534 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4535 (EXTRA_CONSTRAINT): Delete.
4536 (EXTRA_MEMORY_CONSTRAINT): Delete.
4537 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4538 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4539 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4540 satisfies_constraint.
4542 * config/i386/i386.c: Include tm-constrs.h.
4544 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4546 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4547 * tree-data-ref.c (find_data_references_in_loop,
4548 compute_data_dependences_for_loop): Use pointers to VEC.
4549 (analyze_all_data_dependences): Adjust calls.
4550 * tree-data-ref.h (find_data_references_in_loop,
4551 compute_data_dependences_for_loop): Adjust declarations.
4552 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4553 compute_data_dependences_for_loop.
4555 2006-03-29 Paul Brook <paul@codesourcery.com>
4557 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4560 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4562 PR tree-optimization/26859
4563 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4565 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4566 for the step after fold_convert.
4568 2006-03-29 Paul Brook <paul@codesourcery.com>
4570 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4571 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4573 2006-03-29 Paul Brook <paul@codesourcery.com>
4576 * targhooks.c (default_narrow_bitfield): New fuction.
4577 * targhooks.h (default_narrow_bitfield): add prototype.
4578 * target.h (gcc_target): Add narrow_volatile_bitfield.
4579 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4580 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4581 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4582 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4584 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4586 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4588 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4589 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4590 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4591 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4592 (s390_function_arg_float): Allow SDmode and DDmode values to be
4593 passed in floating point registers.
4594 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4595 check with SCALAR_FLOAT_MODE_P.
4596 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4598 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4600 PR tree-optimization/25985
4601 * tree-ssa-loop-niter.c (number_of_iterations_le,
4602 number_of_iterations_ne): Make comments more precise.
4603 (number_of_iterations_cond): Add only_exit argument. Use the
4604 fact that signed variables do not overflow only when only_exit
4606 (loop_only_exit_p): New.
4607 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4608 number_of_iterations_cond.
4610 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4612 PR tree-optimization/26643
4613 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4616 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4618 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4619 (divsi3_i4_int): Likewise.
4621 2006-03-28 Roger Sayle <roger@eyesopen.com>
4623 * expr.c (emit_group_store): Only create a new pseudo reg if the
4624 quantity it needs to hold isn't already a suitable pseudo.
4626 2006-03-28 Jeff Law <law@redhat.com>
4628 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4629 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4631 2006-03-28 Roger Sayle <roger@eyesopen.com>
4633 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4634 the equivalent ~X & Y, and the symmetry related transformations.
4635 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4636 ~X & Y, and symmetry related transforms.
4638 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4640 Revert my 2006-03-27 patches.
4642 2006-03-28 Roger Sayle <roger@eyesopen.com>
4644 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4645 ~(T1)X, when T1 and T2 are integer types of the same precision
4646 and (T2)X isn't an extension.
4648 2006-03-28 Jeff Law <law@redhat.com>
4650 PR tree-optimization/26796
4651 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4652 need EH edge cleanups rather than purging them immediately.
4653 (eliminate_degenerate_phis): Handle queued EH cleanups.
4655 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4657 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4660 2006-03-27 Roger Sayle <roger@eyesopen.com>
4663 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4664 cast BIT_NOT_EXPR operand to the correct type.
4666 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4668 * tree-loop-linear.c: Don't include varray.h.
4669 (gather_interchange_stats, try_interchange_loops,
4670 linear_transform_loops): Use VEC instead of VARRAY.
4671 * lambda-mat.c: Don't include varray.h.
4672 * tree-chrec.c: Same.
4673 * lambda-trans.c: Same.
4674 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4675 VEC instead of VARRAY.
4676 * tree-vectorizer.h: Idem.
4677 * tree-data-ref.c (dump_data_references,
4678 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4679 initialize_data_dependence_relation, finalize_ddr_dependent,
4680 compute_all_dependences, find_data_references_in_loop,
4681 compute_data_dependences_for_loop, analyze_all_data_dependences,
4682 free_dependence_relation, free_dependence_relations,
4683 free_data_refs): Idem.
4684 * tree-data-ref.h (data_reference_p, subscript_p): New.
4685 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4686 VEC instead of VARRAY.
4687 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4688 (find_data_references_in_loop, compute_data_dependences_for_loop,
4689 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4690 dump_data_dependence_relations, free_dependence_relations,
4691 free_data_refs): Adjust declaration.
4692 (lambda_transform_legal_p): Move declaration here...
4693 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4694 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4695 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4696 vect_analyze_data_refs): Use VEC instead of VARRAY.
4697 * lambda.h (lambda_transform_legal_p): ...from here.
4698 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4699 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4700 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4701 tree-chrec.o): Don't depend on VARRAY_H.
4703 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4705 * rtl.def (Copyright): Update date.
4706 (DEPS_LIST): Change type of the second operand to 'int'.
4707 * target.h (Copyright): Update date.
4708 (struct gcc_target.speculate_insn): Change type of the second parameter
4710 * lists.c (Copyright): Update date.
4711 (alloc_DEPS_LIST): Change signature. Update reference to the second
4712 operand of the DEPS_LIST.
4713 (copy_DEPS_LIST_list): Update reference to the second operand of the
4715 * rtl.h (Copyright): Update date.
4716 (alloc_DEPS_LIST): Update signature.
4717 * sched-int.h (Copyright): Update date.
4718 (ds_t): Change typedef to 'int'.
4719 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4721 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4723 * haifa-sched.c (Copyright): Update date.
4724 (try_ready): Change condition to restore non-speculative pattern
4726 (process_insn_depend_be_in_spec): Code to keep probability of the
4727 speculative dependence non-decreasing.
4729 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4731 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4732 shut up the compiler.
4734 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4736 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4737 to use lib prefix for target.
4738 ($(T)libic_invalidate_array_4-200.a): Likewise.
4739 ($(T)libic_invalidate_array_4a.a): Likewise.
4741 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4742 J"orn Rennecke <joern.rennecke@st.com>
4744 * superh.opt: New file.
4745 * sh.c (boardtype, osruntime): Remove.
4746 * superh.h (SUBTARGET_OPTIONS): Remove.
4747 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4749 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4750 arguments with ^ and/or [].
4752 * config.gcc (sh-*-*): Add quoting to account for quirk of
4754 Replace == with = in enable_incomplete_targets test.
4756 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4757 with MASK_LITTLE_ENDIAN.
4759 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4760 * config/sh/sh.opt: Added to some comments.
4761 * config/sh/superh.h: Removed some chaff.
4763 * config/sh/sh.opt: Add m4-[1234]00* options.
4764 * config/sh/sh.c (sh_handle_option): Likewise.
4765 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4766 (ic_invalidate_array_4-100.o): New rule.
4767 ($(T)libic_invalidate_array_4-100.a): Likewise.
4768 (ic_invalidate_array_4-200.o): Likewise.
4769 ($(T)libic_invalidate_array_4-200.a): Likewise.
4770 (ic_invalidate_array_4a.o): Likewise.
4771 ($(T)libic_invalidate_array_4a.a): Likewise.
4772 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4773 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4775 * config/sh/crt1.asm: Merged in profiling code.
4776 * config/sh/superh.h (STARTFILE_SPEC): Override.
4777 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4778 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4779 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4781 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4782 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4783 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4785 * sh.opt (mpretend-cmove): New option.
4786 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4787 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4788 (movsicc): Add TARGET_PRETEND_CMOVE code.
4790 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4792 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4793 s390_class_max_nregs): New function prototypes.
4794 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4795 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4796 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4797 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4799 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4801 * dwarf2out.c (add_location_or_const_value_attribute): Call
4802 tree_add_const_value_attribute if nothing else works.
4803 (reference_to_unused): New.
4804 (rtl_for_decl_init): Use reference_to_unused to decide whether
4805 to output an initializer.
4807 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4810 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4811 peephole removing spe frob_di_df_2.
4813 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4815 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4816 (subscript_dependence_tester_1): Declared.
4817 (print_dir_vectors, print_dist_vectors): New.
4818 (debug_data_dependence_relation): New.
4819 (dump_data_dependence_relation): Print more details.
4820 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4821 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4822 (save_dist_v, save_dir_v, add_outer_distances,
4823 build_classic_dist_vector_1): New.
4824 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4825 Don't test for lambda_vector_lexico_pos.
4826 (same_access_functions, add_multivariate_self_dist,
4827 add_other_self_distances, dir_from_dist): New.
4828 (build_classic_dir_vector): Replace implementation almost identical to
4829 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4831 (subscript_dependence_tester_1): New.
4832 (subscript_dependence_tester): Handle the lexicographically negative
4833 distance vectors by recomputing the dependence relation.
4834 (compute_affine_dependence): Remove parameter loop_nest_depth.
4835 (compute_self_dependence): Don't call compute_subscript_distance.
4836 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4837 Add a parameter for the loop_nest.
4838 (find_loop_nest_1, find_loop_nest): New.
4839 (compute_data_dependences_for_loop): Compute the loop nest, and give
4840 up if the nest is not well formed.
4841 * tree-data-ref.h (loop_p): New.
4842 (struct data_dependence_relation): Replace size_vect field with
4843 loop_nest, a vec of loops.
4844 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4845 (DDR_LOOP_NEST): New.
4846 (print_dir_vectors, print_dist_vectors,
4847 debug_data_dependence_relation): Declared.
4848 (index_in_loop_nest): New.
4849 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4850 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4853 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4855 * simplify-rtx.c (simplify_relational_operation): Call
4856 simplify_relational_operation_1 even if mode is VOIDmode.
4858 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4860 PR tree-optimization/26804
4861 * tree.h (DECL_CALL_CLOBBERED): New macro.
4862 (tree_decl_common): Add call_clobbered_flag.
4863 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4864 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4865 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4866 (mark_non_addressable): Ditto.
4867 * tree-ssa.c (verify_call_clobbered): New function.
4868 (verify_alias_info): Use it.
4869 * tree-pass.h (pass_reset_cc_flags): New prototype.
4870 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4871 (reset_cc_flags): New function.
4872 * passes.c (init_optimization_passes): Call reset_cc_flags after
4873 initializing referenced_vars.
4875 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4876 Roger Sayle <roger@eyesopen.com>
4879 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4880 to 1.0 for non-real operands. Implement A / A optimization for
4883 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4885 * config/i386/i386.c (size_cost): Correct the comment for
4886 cost of storing fp registers.
4887 (i386_cost): Likewise.
4888 (i486_cost): Likewise.
4889 (pentium_cost): Likewise.
4890 (pentiumpro_cost): Likewise.
4891 (k6_cost): Likewise.
4892 (athlon_cost): Likewise.
4893 (k8_cost): Likewise.
4894 (pentium4_cost): Likewise.
4895 (nocona_cost): Likewise.
4896 (generic64_cost): Likewise.
4897 (generic32_cost): Likewise.
4899 2006-03-24 Denis Chertykov <denisc@overta.ru>
4901 * config/avr/avr-protos.h (extra_constraint): Delete.
4902 (extra_constraint_Q): New declaration.
4903 * config/avr/constraints.md: New file.
4904 * config/avr/avr.md: Include it.
4905 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4906 (TMP_REGNO, ZERO_REGNO): Likewise.
4907 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4908 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4909 (extra_constraint): Delete.
4910 (extra_constraint_Q): Test for memory constraint 'Q'.
4911 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4912 (REG_CLASS_FROM_LETTER): Delete.
4913 (CONST_OK_FOR_LETTER_P): Delete.
4914 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4915 (EXTRA_CONSTRAINT): Delete.
4916 (TMP_REGNO): Delete.
4917 (ZERO_REGNO): Delete.
4919 2006-03-24 Jeff Law <law@redhat.com>
4921 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4922 directly. Call mark_new_vars_to_rename slightly earlier.
4924 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4926 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4928 (gen_compile_unit_die): Use new language types for Objective-C and
4930 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4931 DW_LANG_C_plus_plus.
4934 * config/t-darwin (crt3.o): Work around bug 26840.
4935 * config/darwin-crt3.c: Rewrite.
4936 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4938 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4940 * doc/invoke.texi: Document -femit-class-debug-always
4941 * common.opt: Add -femit-class-debug-always.
4943 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4945 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4946 index and base register.
4947 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4948 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4949 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4950 REGNO_OK_FOR_INDEX_P.
4951 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4953 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4954 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4955 REG_OK_FOR_BASE_P): Definitions removed.
4957 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4960 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4961 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4962 set yet or weren't marked as local yet.
4964 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4966 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4969 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4971 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4972 (rs6000_legitimate_small_data_p): Delete.
4973 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4974 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4975 and make static. Add forward declaration. Update uses.
4976 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4977 of offsettable_memref_p.
4978 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4979 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4981 2006-03-24 Jeff Law <law@redhat.com>
4983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4984 around bug in immediate-use iterator.
4986 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4989 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4990 or __LITTLE_ENDIAN__.
4992 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4994 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4995 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4996 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4997 * config/sh/sh.opt (mdiv=): Amend description.
4998 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4999 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5000 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5001 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5002 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5003 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5004 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5005 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5006 TARGET_DIVIDE_CALL_FP.
5008 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5010 * haifa-sched.c (choose_ready): Fix type of the local variable.
5011 Move local variables. Add comment.
5012 (check_reg_live): Change signature. Make callable from debugger.
5013 * sched-int.h (check_reg_live): Update signature.
5014 * sched-ebb.c (check_reg_live): Update parameters.
5015 * sched-rgn.c (check_reg_live): Ditto.
5016 (region_head_or_leaf_p): Check pointer before dereferencing.
5017 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5018 before reload on optimization levels below 1.
5020 2006-03-23 Richard Henderson <rth@redhat.com>
5022 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5026 * config/alpha/predicates.md (local_symbolic_operand): Reject
5029 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5032 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5033 expressions which have overflowed constants.
5035 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5037 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5039 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5041 * cfgloopmanip.c (create_loop_notes): Removed.
5042 * final.c (final_scan_insn): Do not handle loop notes.
5043 * jump.c (squeeze_notes): Ditto.
5044 * cfglayout.c (skip_insns_after_block,
5045 duplicate_insn_chain): Ditto.
5046 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5048 * cfgloop.h (create_loop_notes): Declaration removed.
5050 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5052 * varasm.c (output_constant_pool): Restore fnname and fndecl
5054 (assemble_start_function): Adjust call accordingly.
5055 (assemble_end_function): Likewise.
5057 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5060 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5063 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5065 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5068 * system.h (ICE_EXIT_CODE): New macro.
5069 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5070 (diagnostic_action_after_output): Likewise.
5071 * gcc.c (fatal_ice): New function.
5072 (execute): Use it instead of fatal.
5073 (fancy_abort): Likewise.
5074 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5076 2006-03-22 Jeff Law <law@redhat.com>
5078 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5079 iv_analyze_result returning false.
5081 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5083 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5085 2006-03-22 Richard Henderson <rth@redhat.com>
5088 * except.c (duplicate_eh_regions_0): New.
5089 (duplicate_eh_region_1): Duplicate the children of the node as
5090 well as the node itself. Link them up properly.
5091 (duplicate_eh_region_2): Merge into ...
5092 (duplicate_eh_regions): ... here. Take copy_region argument, and
5093 copy only a sub-tree if asked. Simplify copying and fixup.
5094 (eh_region_outer_p): New.
5095 * except.h (duplicate_eh_regions): Update decl.
5096 (eh_region_outer_p): Declare.
5097 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5098 (lower_omp_master): Likewise.
5099 (lower_omp_ordered): Likewise.
5100 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5101 (move_stmt_r): Use it to remap labels. Handle recursion vs
5102 remap_decls_p properly.
5103 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5104 (find_outermost_region_in_block): New.
5105 (new_label_mapper): New.
5106 (move_sese_region_to_fn): Copy eh information to the new function
5108 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5110 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5113 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5115 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5116 into shared libraries.
5118 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5120 * doc/md.texi: Refer to i386/constraints.md instead of
5122 * config/i386/constraints.md: New file, extracted from...
5123 * config/i386/predicates.md: ...here.
5124 * config/i386/i386.md: Include constraints.md.
5126 2006-03-21 Jason Merrill <jason@redhat.com>
5128 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5131 * expr.c (init_block_move_fn): Force default visibility.
5132 (init_block_clear_fn): Likewise.
5133 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5134 * targhooks.c (default_external_stack_protect_fail): Likewise.
5136 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5138 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5139 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5140 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5141 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5142 (loadgp): Use mips_current_loadgp_style.
5143 (loadgp_noshared): New pattern.
5144 (sibcall_internal): Use MIPS_CALL.
5145 (sibcall_value_internal): Likewise.
5146 (sibcall_value_multiple_internal): Likewise.
5147 (call_internal): Likewise.
5148 (call_value_internal): Likewise.
5149 (call_value_multiple_internal): Likewise.
5150 (call_split): Use MIPS_CALL and add an 'S' constraint.
5151 (call_value_split): Likewise.
5152 (call_value_multiple_split): Likewise.
5153 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5154 (-mshared): New option.
5155 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5156 (mips_current_loadgp_style): Declare.
5157 * config/mips/mips.c (mips_classify_symbol): Avoid using
5158 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5159 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5160 TARGET_ABSOLUTE_ABICALLS.
5161 (override_options): Adjust comments. Improve the warning that is
5162 issued when -mabicalls and -G are used together.
5163 (mips_file_start): Remove comment.
5164 (mips_current_loadgp_style): New function.
5165 (mips_gnu_local_gp): New variable.
5166 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5168 (mips_output_function_prologue): Use mips_current_laodgp_style.
5169 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5170 the cprestore instruction.
5171 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5172 live for TARGET_ABSOLUTE_ABICALLS.
5173 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5174 (ASM_SPEC): Pass down -mshared and -mno-shared.
5175 (MIPS_CALL): New macro.
5176 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5178 * doc/invoke.texi (-mabicalls): Update documentation.
5179 (-mshared): Document.
5181 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5183 * config/ia64/unwind-hpux.c: New file.
5184 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5186 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5189 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5191 2006-03-21 Jeff Law <law@redhat.com>
5193 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5194 type conversions of a VR_VARYING source to a wider type.
5196 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5198 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5199 tm_file on Solaris 10 and later.
5200 (sparc64-*-solaris2*): Likewise.
5201 (sparc-*-solaris2*): Likewise.
5202 * config/sol26.h: Rename to config/sol2-6.h.
5203 * config/sol2-10.h: New file.
5205 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5208 * tree-ssa-pre.c (create_component_ref_by_pieces):
5211 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5214 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5215 return it immediately.
5217 2006-03-21 Michael Matz <matz@suse.de>
5219 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5221 (remove_arc, add_arc): Update num_out_arcs member.
5222 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5224 (cache_presence): New function.
5225 (compare_states_for_equiv): New function.
5226 (state_is_differed): Don't take number of outargs, adjust callers.
5227 Use new invariant for speeding up.
5228 (init_equiv_class): Create initial classes based on sorted
5230 (partition_equiv_class): Don't track out_arcs_num.
5231 (evaluate_equiv_classes): Call cache_presence on all states and
5234 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5236 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5237 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5238 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5239 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5241 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5242 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5243 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5244 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5245 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5247 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5248 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5249 (REGNO_REG_CLASS): ARGP is in PREGS.
5250 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5252 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5253 to deal with those addresses.
5254 * addresses.h: New file.
5255 * caller-save.c: Include "addresses.h".
5256 (init_caller_save): Use new base_reg_class function.
5257 * rtl-factoring.c: Include "addresses.h".
5258 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5259 * recog.c: Include "addresses.h".
5260 (preprocess_constraints): Use new base_reg_class function.
5261 * regrename.c: Include "addresses.h".
5262 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5263 functions. Keep track of a new var INDEX_CODE to compute valid
5265 (replace_oldest_value_addr): Likewise.
5266 (replace_oldest_value_mem): Use base_reg_class.
5267 * reload.c: Include "addresses.h".
5268 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5269 (find_reloads): Use new base_reg_class function.
5270 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5271 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5272 all callers and prototype changed.
5273 * reload1.c: Include "addresses.h".
5274 (maybe_fix_stack_asms): Use base_reg_class.
5275 * regclass.c: Include "addresses.h".
5276 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5277 (init_reg_autoinc): Use new base_reg_class function.
5278 (record_reg_classes): Likewise.
5279 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5280 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5281 Use new args to compute necessary class.
5283 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5284 regrename.o, rtl-factoring.o): Update dependencies.
5285 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5286 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5287 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5288 REG_OK_FOR_INDEX_P): Delete documentation.
5290 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5292 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5293 from V7 to V9 for Solaris 7 and above.
5295 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5297 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5298 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5299 argument pointers may not alias any other storage.
5300 * common.opt: Define option -fargument-noalias-anything.
5301 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5302 alias semantics is specified by flag_argument_noalias > 2.
5304 2006-03-20 Jeff Law <law@redhat.com>
5306 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5307 (pass_phi_only_cprop): Declare.
5308 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5310 * tree-ssa-dom.c (degenerate_phi_result): New function.
5311 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5312 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5313 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5314 (eliminate_degenerate_phis): Likewise.
5315 (pass_phi_only_cprop): New pass descriptor.
5316 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5317 support code. Callers updated.
5318 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5319 (store_copy_prop): Likewise.
5320 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5322 2006-03-20 Jason Merrill <jason@redhat.com>
5325 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5326 (push_visibility, pop_visibility): Likewise.
5327 * c-pragma.h: Declare them.
5329 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5331 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5333 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5334 parameter and use get_ebb_head_tail.
5335 (sh_md_init_global): Adjust uses of find_regmode_weight.
5337 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5339 * function.h (struct function) <x_tail_recursion_reentry>:
5340 Rename to x_stack_check_probe_note.
5341 (tail_recursion_reentry): Rename to stack_check_probe_note.
5342 * function.c: Replace tail_recursion_reentry with
5343 stack_check_probe_note everywhere.
5344 (expand_function_start): Only emit a note for
5345 stack_check_probe_note with -fstack-protect.
5346 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5348 * emit-rtl.c (remove_unnecessary_notes): Remove.
5349 (pass_remove_unnecessary_notes): Remove.
5350 * rtl.h (remove_unnecessary_notes): Remove prototype.
5351 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5352 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5353 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5355 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5358 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5359 (valid_in_set): Handle ARRAY_REF.
5360 Change "if min_variant or VH" to asserts.
5361 (create_component_ref_by_pieces): Handle ARRAY_REF.
5362 (create_expression_by_pieces): Likewise.
5363 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5365 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5367 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5368 is operand of switch, not str[0].
5370 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5372 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5373 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5375 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5377 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5378 end of insn_extra_address_constraint declaration.
5380 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5382 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5383 (no-sum-in-toc): Same.
5384 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5386 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5387 NO_FP_IN_TOC for -fPIC instead of mask.
5389 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5390 (BOOT_LDFLAGS): Delete.
5392 * config/rs6000/t-aix52: Same.
5394 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5395 (stmsi[345678]_power): New.
5397 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5399 * config/ia64/ia64.opt: Add empty line to end of file.
5401 2006-03-17 Richard Guenther <rguenther@suse.de>
5404 * builtins.c (get_pointer_alignment): For component style references
5405 adjust alignment to the component type alignment. Make sure
5406 to adjust alignment for component access of constants.
5408 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5410 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5413 2006-03-17 Paul Brook <paul@codesourcery.com>
5415 * doc/install.texi: Docuemnt --with-mode.
5416 * config.gcc: Add --with-mode for arm*-*-*.
5417 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5419 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5421 * sh.c (max_labelno_before_reorg): New variable.
5422 (sh_reorg): Initialize it.
5423 (find_barrier): Check max_labelno_before_reorg before using
5424 label_to_alignment. Take length of explicit alignment insns
5425 into account. When seeing a UNSPECV_CONST_END, return it.
5427 * sh.c (fixup_mova): Set mode of affected label to QImode.
5428 (untangle_mova): New function.
5429 (find_barrier): Use it. Check mode of label before decrementing
5431 (sh_reorg): Likewise.
5432 Set mode of all insns back to VOIDmode.
5434 * sh.c (MOVA_LABELREF): New macro.
5435 (mova_p, fixup_mova, sh_reorg): Use it.
5436 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5437 ADDR_DIFF_VEC matches mova.
5439 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5441 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5442 with ATTRIBUTE_UNUSED.
5444 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5446 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5447 pointer, instead of assuming it is possible to derive the
5448 correct args size from a call insn.
5450 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5452 * rtl.h (CONST_INT_P): Define.
5453 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5454 instead of GET_CODE(x) == CONST_INT.
5455 (vax_rtx_costs): Likewise.
5456 (vax_output_int_move): Likewise.
5457 (vax_output_int_add): Likewise.
5458 (legitimate_constant_address_p): Likewise.
5459 (index_term_p): Likewise.
5460 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5461 * config/vax/vax.md (and<mode>3): Likewise.
5462 (ashrsi3): Likewise.
5464 (movstricthi): Likewise.
5465 (movstrictqi): Likewise.
5466 (rotrsi3): Likewise.
5467 (five unnamed insns): Likewise.
5469 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5471 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5472 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5473 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5474 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5475 Pass to ASM_OUTPUT_DWARF_OFFSET.
5476 * dwarf2out.c (debug_frame_section): New.
5477 (output_call_frame_info): Use debug_frame_section. Pass it to
5478 dw2_asm_output_offset.
5479 (output_die): Pass appropriate section to dw2_asm_output_offset.
5480 (output_compilation_unit_header): Likewise.
5481 (output_pubnames): Likewise.
5482 (output_aranges): Likewise.
5483 (enum dw_val_class): Break dw_val_class_lbl_offset into
5484 dw_val_class_lineptr and dw_val_class_macptr.
5485 (add_AT_lbl_offset): Delete.
5486 (add_AT_lineptr): New.
5487 (add_AT_macptr): New.
5488 (AT_lbl): Expect a lineptr or macptr.
5489 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5490 (attr_checksum): Likewise.
5491 (same_dw_val_p): Likewise.
5492 (size_of_die): Likewise.
5493 (value_format): Likewise.
5494 (output_die): Likewise.
5495 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5497 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5498 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5499 * config/darwin-protos.h (darwin_file_start): New.
5500 (darwin_asm_output_dwarf_offset): New.
5501 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5502 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5504 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5505 if not EH section; simplify.
5506 (darwin_file_start): New.
5507 (darwin_asm_output_dwarf_offset): New.
5508 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5510 (DEBUG_INFO_SECTION): Likewise.
5511 (DEBUG_ABBREV_SECTION): Likewise.
5512 (DEBUG_ARANGES_SECTION): Likewise.
5513 (DEBUG_MACINFO_SECTION): Likewise.
5514 (DEBUG_LINE_SECTION): Likewise.
5515 (DEBUG_LOC_SECTION): Likewise.
5516 (DEBUG_PUBNAMES_SECTION): Likewise.
5517 (DEBUG_STR_SECTION): Likewise.
5518 (DEBUG_RANGES_SECTION): Likewise.
5519 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5520 (ASM_OUTPUT_DWARF_OFFSET): New.
5522 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5524 * config.gcc (tm_defines): Always add to previous value rather
5527 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5529 * config/mips/predicates.md (splittable_const_int_operand): New,
5530 split from move_operand.
5531 (splittable_symbolic_operand): New.
5532 (move_operand): Add commentary. Use splittable_const_int_operand.
5533 Inline mips_atomic_symbolic_constant_p.
5534 * config/mips/mips.md: Add combine splitters for handling moves
5535 of splittable_const_int_operands and splittable_symbolic_operands.
5536 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5537 (mips_split_symbol): Declare.
5538 (mips_move_integer): Declare.
5539 * config/mips/mips.c (mips_split_p): Make global.
5540 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5541 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5542 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5543 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5544 (mips_offset_within_object_p): Handle block symbols.
5545 (mips_atomic_symbolic_constant_p): Delete.
5546 (mips_cannot_force_const_mem): Return false for constants that
5547 mips_legitimize_move can handle.
5548 (mips_use_blocks_for_constant_p): New function.
5549 (mips_split_symbol): Make global.
5550 (mips_move_integer): Likewise. Add a temporary register argument.
5551 (mips_legitimize_const_move): Use splittable_const_int_operand and
5552 splittable_symbolic_operand.
5553 (mips_use_anchors_for_symbol_p): New function.
5554 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5555 (mips_split_p): Declare.
5557 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5559 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5560 (mips*-*-linux*): Likewise.
5562 2006-03-16 Roger Sayle <roger@eyesopen.com>
5563 Daniel Speyer <dspeyer@wam.umd.edu>
5566 * tree-dump.c (dump_real): New function.
5567 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5568 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5569 (tree-dump.o): Add $(REAL_H) to the dependencies.
5571 2006-03-16 Roger Sayle <roger@eyesopen.com>
5574 * real.c (real_from_string): If the mantissa is zero, don't bother
5575 parsing the exponent as the result should always be zero.
5577 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5579 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5581 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5583 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5584 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5585 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5586 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5587 ia64_sched_finish_global): New static functions to implement
5588 hooks from gcc_target.sched.
5589 (spec_check_no, max_uid, pending_data_specs): New static variables.
5590 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5591 ia64_spec_check_src_p): New static functions.
5592 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5593 (TARGET_SCHED_ADJUST_COST): Removed.
5594 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5595 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5596 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5597 TARGET_SCHED_GEN_CHECK,
5598 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5599 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5600 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5601 Fixed to handle speculation checks.
5602 (rtx_needs_barrier): Fixed to handle speculative loads and
5604 (ia64_variable_issue): Added code to count speculative loads and their
5606 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5608 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5610 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5612 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5613 (ia64_reorg): Reset stops_p to NULL after it is freed.
5614 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5615 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5616 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5618 (data_speculative, control_speculative, check_load): New attributes.
5619 (mov<mode>_advanced, mov<mode>_speculative,
5620 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5621 zero_extend<mode>di2_speculative,
5622 zero_extend<mode>di2_speculative_advanced): New patterns for
5623 data and control speculative loads.
5624 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5626 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5627 New pattern for data and control speculation checks.
5628 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5629 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5630 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5631 Auxiliary definitions for the patterns.
5632 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5633 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5635 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5637 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5638 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5639 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5640 New resource constraints.
5641 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5643 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5644 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5645 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5646 msched-in-control-spec, msched-ldc, msched-control-ldc,
5647 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5648 msched-prefer-non-control-spec-insns,
5649 msched-count-spec-in-critical-path): New flags to tune speculative
5651 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5652 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5653 msched-in-control-spec, msched-ldc, msched-control-ldc,
5654 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5655 msched-prefer-non-control-spec-insns,
5656 msched-count-spec-in-critical-path): Document new flags.
5658 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5660 * target.h (struct spec_info_def): New opaque declaration.
5661 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5662 speculate_insn, needs_block_p, gen_check,
5663 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5664 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5665 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5666 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5667 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5668 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5670 (TARGET_SCHED): Use new macros.
5671 * rtl.h (copy_DEPS_LIST_list): New prototype.
5672 * sched-int.h (struct sched_info): Change signature of new_ready field,
5673 adjust all initializations. New fields: add_remove_insn,
5674 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5675 region_head_or_leaf_p.
5676 (struct spec_info_def): New structure declaration.
5677 (spec_info_t): New typedef.
5678 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5679 recovery_block, orig_pat.
5680 (glat_start, glat_end): New variables declaraions.
5681 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5683 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5684 DETACH_LIFE_INFO, USE_GLAT.
5685 (enum SPEC_SCHED_FLAGS): New enumeration.
5686 (NOTE_NOTE_BB_P): New macro.
5687 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5688 attach_life_info, debug_spec_status, check_reg_live): New functions.
5689 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5690 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5692 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5693 * ddg.c (get_block_head_tail): Adjust all uses.
5694 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5695 (sms_sched_info): Initialize new fields.
5696 (contributes_to_priority): Removed.
5697 * haifa-sched.c (params.h): New include.
5698 (get_block_head_tail): Adjust all uses.
5699 (ISSUE_POINTS): New macro.
5700 (glat_start, glat_end): New global variables.
5701 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5702 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5703 old_last_basic_block, before_recovery, current_sched_info_var,
5704 rgn_n_insns, luid): New static variables.
5705 (insn_cost1): New function. Move logic from insn_cost to here.
5706 (find_insn_reg_weight1): New function. Move logic from
5707 find_insn_reg_weight to here.
5708 (reemit_notes, move_insn, max_issue): Change signature.
5709 (move_insn1): Removed.
5710 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5711 extend_bb): New static functions to support extension of scheduler's
5713 (generate_recovery_code, process_insn_depend_be_in_spec,
5714 begin_speculative_block, add_to_speculative_block,
5715 init_before_recovery, create_recovery_block, create_check_block_twin,
5716 fix_recovery_deps): New static functions to support
5717 generation of recovery code.
5718 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5719 restore_bb_notes, move_block_after_check, move_succs): New static
5720 functions to support ebb scheduling.
5721 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5722 functions to support handling of register live information.
5723 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5724 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5725 add_jump_dependencies): New static functions.
5726 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5727 consistancy checking.
5728 (debug_spec_status): New function to call from debugger.
5729 (priority): Added code to handle speculation checks.
5730 (rank_for_schedule): Added code to distinguish speculative instructions.
5731 (schedule_insn): Added code to handle speculation checks.
5732 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5733 Fixed to handle ebbs.
5734 (move_insn): Added code to handle ebb scheduling.
5735 (max_issue): Added code to use ISSUE_POINTS of instructions.
5736 (choose_ready): Added code to choose between speculative and
5737 non-speculative instructions.
5738 (schedule_block): Added code to handle ebb scheduling and scheduling of
5739 speculative instructions.
5740 (sched_init): Initialize new variables.
5741 (sched_finish): Free new variables. Print statistics.
5742 (try_ready): Added code to handle speculative instructions.
5743 * lists.c (copy_DEPS_LIST_list): New function.
5744 * sched-deps.c (extend_dependency_caches): New function. Move logic
5745 from create_dependency_caches to here.
5746 (get_dep_weak, ds_merge): Make global.
5747 * genattr.c (main): Code to output prototype for
5748 dfa_clear_single_insn_cache.
5749 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5750 (output_dfa_clean_insn_cache_func): Code to output
5751 dfa_clear_single_insn_cache function.
5752 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5754 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5756 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5757 New static variables.
5758 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5759 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5761 (ebb_sched_info): Initialize new fields.
5762 (get_block_head_tail): Adjust all uses.
5763 (compute_jump_reg_dependencies): Fixed to use glat_start.
5764 (schedule_ebb): Code to remove unreachable last block.
5765 (schedule_ebbs): Added code to update register live information.
5766 * sched-rgn.c (region_sched_info): Initialize new fields.
5767 (get_block_head_tail): Adjust all uses.
5768 (last_was_jump): Removed. Adjust users.
5769 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5770 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5771 Implement new hooks.
5772 (check_dead_notes1): New static function.
5773 (struct region): New fields: dont_calc_deps, has_real_ebb.
5774 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5775 (BB_TO_BLOCK): Fixed to handle EBBs.
5776 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5777 (ebb_head): New static variable.
5778 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5779 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5781 (compute_dom_prob_ps): New assertion.
5782 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5783 global_live_at_start.
5784 (init_ready_list): New assertions.
5785 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5786 (new_ready): Add support for BEGIN_CONTROL speculation.
5787 (schedule_insns): Fixed code that updates register live information
5789 (schedule_region): Fixed to handle EBBs.
5790 (init_regions): Use extend_regions and check_dead_notes1.
5791 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5792 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5793 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5794 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5795 TARGET_SCHED_GEN_CHECK,
5796 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5797 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5798 * doc/invoke.texi (max-sched-insn-conflict-delay,
5799 sched-spec-prob-cutoff): Document.
5801 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5803 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5804 inter_tick, queue_index.
5805 (struct sched_info): Change signature of init_ready_list field.
5806 Adjust all initializations.
5807 (RESOLVED_DEPS): New access macro.
5808 (ready_add): Remove prototype.
5809 (try_ready): Add prototype.
5810 * sched-rgn.c (init_ready_list): Use try_ready.
5811 (schedule_region): Initialize
5812 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5813 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5814 (init_ready_list): Use try_ready.
5815 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5816 * lists.c (remove_list_elem): Remove `static'.
5817 (remove_free_INSN_LIST_elem): New function.
5818 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5819 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5820 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5822 (readyp): New variable.
5823 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5824 change_queue_index, resolve_dep): New static functions.
5825 (try_ready): New function. Adjust callers in sched-rgn.c and
5826 sched-ebb.c to use it instead of ready_add.
5827 (clock_var): Move at the begining of file.
5828 (rank_for_schedule): Fix typo.
5829 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5830 (ready_lastpos): Enforce assertion.
5831 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5833 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5834 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5835 (queue_to_ready): Use free_INSN_LIST_list.
5836 (early_queue_to_ready): Fix typo.
5837 (schedule_block): Init readyp. Move init_ready_list call after the
5838 initialization of clock_var. Fix error in rejecting insn by
5839 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5840 that previously corrected INSN_TICKs. Add code for handling
5842 (set_priorities): Fix typo.
5843 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5844 Clarify comment and code that keeps current_sched_info->next_tail
5847 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5849 * sched-rgn.c (extend_rgns): New static function.
5850 (find_rgns): Use it.
5851 (gather_region_statistics, print_region_statistics): New static
5853 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5854 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5856 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5857 Andrey Belevantsev <abel@ispras.ru>
5859 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5860 * lists.c (unused_deps_list): New variable.
5861 (free_list): Add assertions to verify the proper distinguishing
5862 between INSN_LISTs and DEPS_LISTs.
5863 (find_list_elem, remove_list_elem, remove_list_node): New static
5865 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5866 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5867 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5868 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5870 (free_INSN_LIST_node): Likewise.
5871 * modulo-sched.c (current_sched_info): Initialize flags field.
5872 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5873 * rtl.def (DEPS_LIST): Define.
5874 * rtl.h: Declare new functions from lists.c.
5875 * sched-deps.c (spec_dependency_cache): New static variable.
5876 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5877 (add_dependence): Change return type to void. Move the logic to ...
5878 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5879 (delete_all_dependences): Add comment about forward_dependency_cache.
5880 Handle spec_dependency_cache. Handle DEPS_LISTs.
5881 (fixup_sched_groups): Clarify the change of priority of output
5882 and anti dependencies.
5883 (sched_analyze_2): Adjust add_dependence calls to create data
5884 speculative dependence.
5885 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5886 Adjust all callers. Handle DEPS_LISTS.
5887 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5888 presence of speculation.
5889 (init_dependency_caches, free_dependency_caches):
5890 Handle spec_dependency_cache.
5891 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5892 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5893 New static functions.
5894 (add_or_update_back_dep, add_or_update_back_forw_dep,
5895 add_back_forw_dep, delete_back_forw_dep): New functions.
5896 * sched-int.h (ds_t, dw_t): New typedefs.
5897 (struct sched_info): Add new field flags.
5898 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5899 Prototype new sched-deps.c functions.
5900 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5901 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5902 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5903 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5904 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5905 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5907 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5909 * sched-rgn.c (current_sched_info): Initialize flags field.
5910 (schedule_insns): Initialize current_sched_info before the sched_init
5912 * sched-ebb.c (current_sched_info): Initialize flags field.
5913 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5914 Call add_or_update_back_dep instead of add_dependence.
5915 Create control speculative dependencies.
5916 (schedule_insns): Initialize current_sched_info before the sched_init
5919 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5921 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5923 (sh_fallback_frame_state): Likewise.
5925 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5927 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5928 Do switch on default_use_cxa_atexit.
5929 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5930 * config/darwin-crt3.o: New.
5931 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5932 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5933 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5935 * config/rs6000/t-darwin: Move crt2.o building to here.
5936 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5937 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5940 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5942 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5943 from '! xxx' to '!xxx' for coding-style conformance.
5944 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5945 (EXTRA_CONSTRAINT): Likewise.
5946 * config/vax/vax.md (four unnamed insns): Likewise.
5948 2006-03-15 Paul Brook <paul@codesourcery.com>
5950 * config/arm/arm.c (minipool_pad): New.
5951 (add_minipool_forward_ref): Include pool alignment padding in address
5953 (push_minipool_fix): Set minipool_pad.
5954 (minipool_pad): Ditto.
5956 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5958 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5959 instead of GET_CODE() == MEM and REG_P() instead of
5961 (print_operand_address): Likewise.
5962 (vax_address_cost): Likewise.
5963 (vax_rtx_costs): Likewise.
5964 (vax_notice_update_cc): Likewise.
5965 (vax_output_int_add): Likewise.
5966 (INDEX_REGISTER_P): Likewise.
5967 (BASE_REGISTER_P): Likewise.
5968 (nonindexed_address_p): Likewise.
5969 (vax_mode_dependent_address_p): Likewise.
5970 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5971 (PRINT_OPERAND): Likewise.
5972 * config/vax/vax.md (ashlsi3): Likewise.
5973 (ashlsi3): Likewise.
5974 (some more unnamed insns): Likewise.
5976 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5978 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5979 iterator-style macro.
5980 (mark_control_dependent_edges_necessary): Update the use of
5981 EXECUTE_IF_CONTROL_DEPENDENT.
5983 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5985 * config/sh/predicates.md (cache_address_operand): Special.
5986 (ua_address_operand): Likewise.
5988 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5990 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5992 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5994 2006-03-15 Andreas Schwab <schwab@suse.de>
5996 * gensupport.c (identify_predicable_attribute): Don't free p_false
5997 when it is still in use.
5999 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6001 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6002 the default setting here.
6004 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6006 * tree-pass.h (pass_cfg): Remove.
6007 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6008 * passes.c (pass_cfg): Don't run it.
6010 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6012 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6013 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6015 (stack_regs_mentioned): Update the uses of
6016 stack_regs_mentioned_data. Don't access the array beyond its
6018 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6019 Don't include gt-reg-stack.h.
6021 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6022 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6024 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6027 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6030 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6032 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6034 2006-03-14 Richard Guenther <rguenther@suse.de>
6036 PR tree-optimization/26672
6037 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6040 2006-03-14 Richard Guenther <rguenther@suse.de>
6042 PR tree-optimization/26667
6043 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6044 node for the callees. Always allow inlining if it will shrink
6047 2006-03-14 Richard Guenther <rguenther@suse.de>
6050 * builtins.c (get_pointer_alignment): Prefer alignment
6051 information from decls over that from types.
6053 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6056 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6058 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6060 * config/rs6000/rs6000.opt (mdlmzb): New option.
6061 (msched-prolog, msched-epilog): Use Var not Mask.
6062 * doc/invoke.texi (-mdlmzb): Document.
6063 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6065 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6066 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6068 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6070 PR rtl-optimization/25739
6071 * bt-load.c (augment_live_range): Free tos pointer.
6073 * gensupport.c (identify_predicable_attribute): Free
6075 * gcov.c (create_file_names): Free name pointer.
6077 2006-03-13 Roger Sayle <roger@eyesopen.com>
6080 * stmt.c (emit_case_nodes): Handle the case where the index is a
6081 CONST_INT, where the comparison mode is specified by the index type.
6083 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6085 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6088 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6090 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6091 (*branch_fp_inverted): Likewise.
6093 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6096 * omp-low.c (expand_omp_for_generic): Mark istart0
6097 and iend0 as addressable.
6099 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6101 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6103 2006-03-13 Jeff Law <law@redhat.com>
6105 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6106 virtual operands are interesting.
6107 (vrp_visit_stmt): Corresponding changes.
6109 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6111 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6113 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6114 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6115 * config/bfin/crti.S: Use it instead of __PIC__.
6116 * config/bfin/crtn.S: Likewise.
6118 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6119 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6121 Lose 'G' modifier for call operand.
6122 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6123 recognize 'G' modifier.
6125 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6128 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6129 * stmt.c (expand_case): Likewise.
6131 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6133 PR rtl-optimization/26254
6134 * loop-invariant.c (seq_insns_valid_p): New function.
6135 (move_invariant_reg): Only emit new code if it is valid.
6137 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6139 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6141 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6142 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6143 (commit_one_edge_insertion): Do not look for loop notes.
6145 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6147 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6148 flag_test_coverage out of loop.
6150 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6152 * final.c (shorten_branches): Remove outdated comment, and turn
6153 the if branch that guards it to continue.
6155 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6157 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6158 * cfgloop.h (struct loop): Remove unused fields.
6160 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6162 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6163 (-dL, -fdump-rtl-loop2): Update the dump file names
6165 * doc/invoke.texi: Update dump file names.
6167 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6169 * predict.c (estimate_probability): Remove.
6170 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6171 * basic-block.h (estimate_probability): Remove prototype.
6172 * passes.c (finish_optimization_passes): Dump branch prediction or
6173 profiling heuristics to the .profile tree dump.
6174 (init_optimization_passes): Unqueue pass_branch_prob.
6176 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6178 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6180 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6181 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6183 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6185 * function.h (frame_offset_overflow): Declare.
6186 * function.c (frame_offset_overflow): New function.
6187 (assign_stack_local_1): Call it to detect that the offset overflows.
6188 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6190 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6192 * config/sh/sh.c: Include alloc-pool.h.
6193 (label_ref_list_pool): New alloc pool.
6194 (label_ref_list_t): New type for lists of labels.
6195 (struct pool_node): Make wend a label_ref_list_t.
6196 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6198 (dump_table): Likewise.
6199 (sh_reorg): Set up the alloc pool before using add_constant and
6200 dump_table, and destroy it when finishing.
6202 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6204 * config/mips/mips.c: Remove redundant comment.
6206 2006-03-10 Jason Merrill <jason@redhat.com>
6209 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6210 the target was declared 'register'.
6212 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6214 * genpreds.c (write_insn_constraint_len): Change definition of
6215 insn_constraint_len to return size_t to match the declaration.
6217 2006-03-10 DJ Delorie <dj@redhat.com>
6219 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6221 (m32c_expand_insv): Fix test for an AND mask.
6223 2006-03-10 Richard Guenther <rguenther@suse.de>
6226 * builtins.c (get_pointer_alignment): Handle component
6227 references for field alignment.
6229 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6231 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6232 when building with libgloss.
6233 (sh*elf): Implement --without-fp option.
6234 (sh64-superh-linux*): Don't multilib.
6236 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6238 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6240 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6242 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6243 Set it when one of the replacement functions returned true.
6244 Return TODO_cleanup_cfg if cfgchanged is true.
6245 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6247 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6249 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6250 instead of gen_lowpart.
6252 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6254 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6256 (mips_output_order_conditional_branch): Declare.
6257 * config/mips/mips.h (MIPS_BRANCH): New macro.
6258 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6259 for the comparison. Use gen_condjump.
6260 (mips_output_conditional_branch): Rework interface to take the
6261 asm templates for a direct branch and the inverse of a direct branch.
6262 (mips_output_order_conditional_branch): New function.
6263 (mips_builtin_branch_and_move): New function.
6264 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6265 branch condition. Use gen_single_cc as the condition for
6266 __builtin_mips_upper_* or __builtin_mips_lower_*.
6267 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6268 Use VOIDmode for the branch condition.
6269 * config/mips/predicates.md (order_operator): New predicate.
6270 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6271 (branch_fp): Rename to...
6272 (*branch_fp): ...this. Remove mode from comparison operator.
6273 Use new mips_output_conditional_branch interface.
6274 (branch_fp_inverted): Rename to...
6275 (*branch_fp_inverted): ...this and update as for *branch_fp.
6276 (*branch_zero<mode>): Rename to...
6277 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6278 Use mips_output_order_conditional_branch. Only accept ordered
6280 (*branch_zero<mode>_inverted): Rename to...
6281 (*branch_order<mode>_inverted): ...this and update as for
6282 *branch_order<mode>.
6283 (*branch_equality<mode>): Accept zero as the second operand to
6284 the equality operator. Use the new mips_output_conditional_branch
6286 (*branch_equality<mode>_inverted): Likewise.
6287 (condjump): New expander.
6288 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6290 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6291 (bc1any2t, bc1any2f): Likewise.
6292 (single_cc): New expander.
6293 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6295 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6297 * doc/md.texi: Update documentation of MIPS constraints.
6298 * config/mips/constraints.md: New file.
6299 * config/mips/mips.md: Include it.
6300 * config/mips/mips.c (mips_char_to_class): Delete.
6301 (override_options): Don't initialize mips_char_to_class.
6302 * config/mips/mips.h (mips_char_to_class): Delete.
6303 (REG_CLASS_FROM_LETTER): Delete.
6304 (CONST_OK_FOR_LETTER_P): Delete.
6305 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6306 (EXTRA_CONSTRAINT_Y): Delete.
6307 (EXTRA_CONSTRAINT_STR): Delete.
6308 (CONSTRAINT_LEN): Delete.
6309 (EXTRA_MEMORY_CONSTRAINT): Delete.
6311 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6313 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6314 original fn's eh regions.
6316 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6318 * fold-const.c (build_range_check): Make sure to use a valid type to
6319 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6322 (range_predecessor): New static function.
6323 (range_successor): Likewise.
6324 (merge_ranges): Use them to compute predecessors and successors of
6327 2006-03-09 Roger Sayle <roger@eyesopen.com>
6330 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6331 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6333 2006-03-08 DJ Delorie <dj@redhat.com>
6335 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6336 (addpsi3): Expand to include memory operands. Remove
6337 reload-specific splits.
6338 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6339 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6340 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6341 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6342 (shift1_qi, shift1_hi, insv): New.
6343 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6344 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6345 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6347 * config/m32c/m32c-protos.h: Update as needed.
6348 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6349 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6350 Fail for unrecognized R* constraints.
6351 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6352 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6353 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6355 (m32c_init_libfuncs): New.
6356 (m32c_legitimate_address_p): Add debug wrapper.
6357 (m32c_rtx_costs): New.
6358 (m32c_address_cost): New.
6359 (conversions): Add 'B' prefix.
6360 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6361 operands, or word regnames for QI operands. 'B' prints bit
6363 (m32c_expand_setmemhi): New.
6364 (m32c_expand_movmemhi): New.
6365 (m32c_expand_movstr): New.
6366 (m32c_expand_cmpstr): New.
6367 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6368 (m32c_expand_neg_mulpsi3): Handle non-ints.
6369 (m32c_cmp_flg_0): New.
6370 (m32c_expand_movcc): New.
6371 (m32c_expand_insv): New.
6372 (m32c_scc_pattern): New.
6373 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6374 a0/a1 out of SIregs.
6375 (STORE_FLAG_VALUE): New.
6376 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6379 * config/m32c/mov.md: Make constraints more liberal.
6380 (zero_extendqihi2): Optimize r0/r1 case.
6381 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6382 * config/m32c/predicates.md (m32c_any_operand): New.
6383 (m32c_nonimmediate_operand): New.
6384 (m32c_hl_operand): New.
6385 (m32c_r3_operand): New.
6388 (memsym_operand): New.
6389 (memimmed_operand): New.
6390 (a_qi_operand): New.
6391 (m32c_eqne_operator): New.
6392 (m32c_1bit8_operand): New.
6393 (m32c_1bit16_operand): New.
6394 (m32c_1mask8_operand): New.
6395 (m32c_1mask16_operand): New.
6396 * config/m32c/blkmov.md: New file.
6397 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6399 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6401 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6402 unsigned to fix signed/unsigned comparison issue in
6403 DWARF2_FRAME_REG_OUT.
6404 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6405 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6407 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6408 of ptr into the ENABLE_CHECKING section.
6410 2006-03-08 Jeff Law <law@redhat.com>
6412 * tree-vrp.c (infer_value_range): Only count pointer uses
6413 and dereferences if -fdelete-null-pointer-checks is enabled.
6415 * tree-vrp.c (find_assert_locations): Infer value ranges for
6416 single use pointers, but do not create ASSERT_EXPRs for them.
6417 When a non-null range is inferred for a pointer, backwards
6418 propagate that range to other equivalent pointers through the
6421 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6424 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6425 language hook targets.
6426 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6427 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6428 if language hook targets were missing.
6430 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6432 * tree-ssa-opfinalize.h: Removed.
6433 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6435 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6436 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6437 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6438 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6439 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6440 finalize_ssa_v_must_def_ops): New.
6442 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6444 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6447 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6449 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6451 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6452 addresses with offsets; reorganize.
6454 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6455 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6456 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6458 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6461 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6463 2006-03-08 Ben Elliston <bje@au.ibm.com>
6465 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6467 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6470 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6473 2006-03-07 Richard Guenther <rguenther@suse.de>
6475 PR tree-optimization/26587
6476 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6478 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6480 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6482 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6484 * hooks.c (hook_bool_mode_rtx_true): New function.
6485 * hooks.h (hook_bool_mode_rtx_true): Declare.
6486 * toplev.c (compile_file): Call output_shared_constant_pool.
6487 * varasm.c (shared_constant_pool): New variable.
6488 (assemble_start_function, assemble_end_function): Remove arguments
6489 from call to output_constant_pool.
6490 (create_constant_pool): New function, split out from...
6491 (init_varasm_status): ...here.
6492 (force_const_mem): Choose between the shared and per-function constant
6493 pools. Set current_function_uses_const_pool when reusing old entries
6494 as well as when creating new ones.
6495 (mark_constant): Ignore data argument.
6496 (mark_constants): Remove pool argument.
6497 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6498 to decide whether the function uses a constant pool.
6499 (output_constant_pool_contents): New function, split out from...
6500 (output_constant_pool): ...here.
6501 (output_shared_constant_pool): New function.
6502 (init_varasm_once): Initialize shared_constant_pool.
6503 * output.h (output_constant_pool): Delete.
6504 (output_shared_constant_pool): Declare.
6505 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6506 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6508 2006-03-06 Nick Clifton <nickc@redhat.com>
6510 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6511 flag_strength_reduce.
6513 2006-03-06 Ben Elliston <bje@au.ibm.com>
6515 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6516 x86_64-*-linux* configurations.
6518 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6519 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6521 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6523 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6525 * basic-block.h: Remove the extern for
6526 rediscover_loops_after_threading.
6528 * cfgloop.c (cancel_loop): Make it static.
6529 * cfgloop.h: Remove the prototype for cancel_loop.
6531 * flow.c (recompute_reg_usage): Make it static.
6532 * rtl.h: Remove the prototype for recompute_reg_usage.
6534 * function.c (use_return_register): Make it static.
6535 * function.h: Remove the prototype.
6537 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6539 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6541 * recog.h: Remove the prototype for
6542 validate_change_maybe_volatile.
6544 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6546 * rtlanal.c (replace_reg): Remove.
6547 * rtl.h: Remove the prototype for replace_reg.
6549 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6551 * regclass.c (reg_scan_update): Remove.
6552 (reg_scan_mark_refs): Remove the last argument.
6553 * rtl.h: Remove the prototype for reg_scan_update.
6555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6557 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6558 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6559 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6560 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6561 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6562 loop-invariant.c, omp-low.c, opts.c, passes.c,
6563 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6564 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6565 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6566 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6567 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6568 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6570 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6572 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6573 * dwarf2out.h: Remove the prototype for
6574 dwarf2out_add_library_unit_info.
6576 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6578 * tree.c (add_var_to_bind_expr): Remove.
6579 * tree.h: Remove the prototype for add_var_to_bind_expr.
6581 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6583 * regclass.c (n_non_fixed_regs): Remove.
6584 (init_reg_sets_1, globalize_reg): Remove all uses of
6586 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6588 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6590 * rtlanal.c (insns_safe_to_move_p): Remove.
6591 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6595 * expmed.c (expand_mult_add): Remove.
6596 * expr.h: Remove the prototype for expand_mult_add.
6598 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6600 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6601 and REG_SAVED_VAL_EXP constants.
6602 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6603 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6604 Handle regs stored by value.
6605 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6606 (execute_cfa_program): Handle DW_CFA_val_offset,
6607 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6608 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6609 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6610 (uw_install_context_1): Handle target regs stored by value.
6612 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6614 * tree-sra.c (tree_sra): Return todoflags;
6615 (generate_one_element): Set TODO_update_smt_usage if needed.
6616 (pass_sra): Remove TODO_update_smt_usage.
6617 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6619 (tree_ssa_forward_propagate_single_use_vars): Return
6620 TODO_update_smt_usage if we need to update SMT usage.
6621 (pass_forwprop): Remove TODO_update_smt_usage.
6623 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6625 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6626 (correct_use_link): Remove reference to get_stmt_operands.
6627 (update_stmt_operands): Likewise.
6628 (get_modify_expr_operands): New function factored out of
6629 parse_ssa_operands and get_expr_operands.
6630 Try to create V_MUST_DEFs for LHS by default.
6631 (get_expr_operands) <case MODIFY_EXPR>: Call
6632 get_modify_expr_operands.
6633 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6634 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6635 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6636 get_modify_expr_operands.
6638 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6640 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6641 * tree-flow.h: Remove the prototype for
6642 referenced_var_lookup_if_exists.
6644 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6646 PR rtl-optimization/26345
6648 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6650 2006-03-03 Roger Sayle <roger@eyesopen.com>
6652 PR tree-optimization/26524
6653 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6654 fold_convert to create a constant of the appropriate type.
6656 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6658 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6659 SYMBOL_REF_IN_BLOCK_P.
6660 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6661 of SYMBOL_FLAG_IN_BLOCK.
6662 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6663 instead of SYMBOL_REF_IN_BLOCK_P.
6664 * explow.c (use_anchored_address): Likewise.
6665 * rtl.c (rtx_size): Likewise.
6666 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6667 instead of SYMBOL_FLAG_IN_BLOCK.
6668 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6669 SYMBOL_REF_IN_BLOCK_P.
6670 (assemble_variable): Likewise.
6671 (output_constant_def_contents): Likewise.
6672 (output_constant_pool): Likewise.
6673 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6674 instead of SYMBOL_FLAG_IN_BLOCK.
6675 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6676 SYMBOL_REF_IN_BLOCK_P.
6677 (SYMBOL_REF_BLOCK): Likewise.
6678 (SYMBOL_REF_OFFSET): Likewise.
6679 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6680 SYMBOL_REF_IN_BLOCK_P.
6681 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6682 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6683 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6684 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6686 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6688 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6690 2006-03-02 Roger Sayle <roger@eyesopen.com>
6692 * simplify-rtx.c (simplify_unary_operation): When simplifying
6693 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6694 that we perform the right shift in the appropriate mode, and
6695 then extend or truncate the result to requested mode.
6697 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6699 * gengtype.c (main): Handle double_int type.
6700 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6701 * double-int.c: New file.
6702 * double-int.h: New file.
6703 * system.h: Include doubleint.h.
6704 * Makefile.in (SYSTEM_H): Include double-int.h.
6705 (double-int.o): Add.
6707 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6710 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6713 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6715 * tree-vrp.c (remove_range_assertions): Do not update statements
6718 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6720 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6722 * gcse.c (rest_of_handle_gcse): Ditto.
6723 * except.c (gate_handle_eh): Ditto.
6724 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6725 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6727 2006-03-02 Eric Christopher <echristo@apple.com>
6729 * config/i386/i386.c (machopic_output_stub): Add indirection to
6732 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6736 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6738 Sun Niagara specific optimizations.
6739 * config.gcc: Recognize niagara as target.
6740 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6741 (TARGET_CPU_niagara): Define.
6742 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6743 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6744 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6745 (ASM_CPU_SPEC): Likewise.
6746 (PROCESSOR_NIAGARA): New enum entry.
6747 (REGISTER_MOVE_COST): Handle Niagara.
6748 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6749 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6750 (sparc_override_options): Recognize "niagara", set appropriate
6751 default MASK_* values for it, and align functions to 32-bytes
6752 by default just like ULTRASPARC/ULTRASPARC3.
6753 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6754 (sparc64_initialize_trampoline): Likewise.
6755 (sparc_use_sched_lookahead): Use zero for niagara.
6756 (sparc_issue_rate): Use one for niagara.
6757 * config/sparc/niagara.md: New file.
6758 * config/sparc/sparc.md: Include it.
6759 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6760 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6761 when default cpu is niagara.
6762 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6763 (ASM_CPU_SPEC): Likewise.
6764 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6765 when default cpu is niagara.
6766 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6767 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6768 just like v9/ultrasparc/ultrasparc3.
6769 * doc/invoke.texi: Add documentation for "niagara" and improve
6770 existing documentation for ultrasparc variants.
6772 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6774 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6776 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6778 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6779 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6780 and say that only one is needed.
6781 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6782 * target.h (have_switchable_bss_sections): New hook.
6783 * explow.c (use_anchored_address): Check that the symbol is in a block.
6784 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6785 (bss_noswitch_section): New variables.
6786 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6787 (get_noswitch_section): New function.
6788 (get_block_for_section): Allow SECT to be null.
6789 (unlikely_text_section_p): Use SECTION_STYLE.
6790 (bss_initializer_p): New function.
6791 (get_variable_section): Move earlier in file. Take a new argument,
6792 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6793 Return one of the new *_sections in such cases.
6794 (get_block_for_decl): New function, extracting some logic from
6795 use_blocks_for_decl_p.
6796 (change_symbol_section): Remove in favor of...
6797 (change_symbol_block): ...this new function.
6798 (use_blocks_for_decl_p): Remove checks now performed by
6800 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6801 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6802 (emit_local, emit_bss, emit_common): ...these new functions.
6803 Return true if the alignment was honored.
6804 (emit_tls_common): New function.
6805 (asm_emit_uninitialised): Delete.
6806 (assemble_variable_noswitch): New function, split out from...
6807 (assemble_variable): ...here. Don't make decisions about common
6808 variables here. Globalize all public decls that go into non-common
6809 sections. Check whether SYMBOL_REF_BLOCK is null.
6810 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6811 (output_constant_pool): Likewise.
6812 (init_varasm_once): Initialize the new section variables.
6813 (have_global_bss_p): New function.
6814 (categorize_decl_for_section): Use bss_initializer_p.
6815 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6816 (place_block_symbol): Assert that the symbol must be in a block.
6817 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6818 (TARGET_INITIALIZER): Include it.
6819 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6820 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6821 (SECTION_MACH_DEP): Bump by two.
6822 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6823 (unnamed_section): Mention SECTION_UNNAMED in comment.
6824 (named_section): Likewise SECTION_NAMED.
6825 (noswitch_section_callback): New type.
6826 (noswitch_section): New structure.
6827 (section): Add a noswitch_section alternative.
6828 (SECTION_STYLE): New macro.
6829 (tls_comm_section, comm_section, lcomm_section): Declare.
6830 (bss_noswitch_section, have_global_bss_p): Declare.
6831 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6832 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6834 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6835 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6838 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6840 * tree-vrp.c (execute_vrp): Return value.
6841 * regrename.c (rest_of_handle_regrename): Ditto.
6842 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6843 * tree-complex.c (tree_lower_complex): Ditto.
6844 (tree_lower_complex_O0): Ditto.
6845 * tracer.c (rest_of_handle_tracer): Ditto.
6846 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6847 * postreload.c (rest_of_handle_postreload): Ditto.
6848 * tree-tailcall.c (execute_tail_recursion): Ditto.
6849 (execute_tail_calls): Ditto.
6850 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6851 * tree.h (init_function_for_compilation): Ditto.
6852 * ipa-cp.c (ipcp_driver): Ditto.
6853 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6854 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6855 * final.c (compute_alignments): Ditto.
6856 (rest_of_handle_final): Ditto.
6857 (rest_of_handle_shorten_branches): Ditto.
6858 (rest_of_clean_state): Ditto.
6859 * omp-low.c (execute_expand_omp): Ditto.
6860 (execute_lower_omp): Ditto.
6861 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6862 * ipa-reference.c (static_execute): Ditto.
6863 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6864 * reorg.c (rest_of_handle_delay_slots): Ditto.
6865 (rest_of_handle_machine_reorg): Ditto.
6866 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6867 * flow.c (recompute_reg_usage): Ditto.
6868 (rest_of_handle_remove_death_notes): Ditto.
6869 (rest_of_handle_life): Ditto.
6870 (rest_of_handle_flow2): Ditto.
6871 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6872 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6873 (do_ssa_store_ccp): Ditto.
6874 (execute_fold_all_builtins): Ditto.
6875 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6876 * modulo-sched.c (rest_of_handle_sms): Ditto.
6877 * ipa-pure-const.c (static_execute): Ditto.
6878 * cse.c (rest_of_handle_cse): Ditto.
6879 (rest_of_handle_cse2): Ditto.
6880 * web.c (rest_of_handle_web): Ditto.
6881 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6882 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6883 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6884 * tree-nrv.c (tree_nrv): Ditto.
6885 (execute_return_slot_opt): Ditto.
6886 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6887 (create_structure_vars): Ditto.
6888 * loop-init.c (rtl_loop_init): Ditto.
6889 (rtl_loop_done): Ditto.
6890 (rtl_move_loop_invariants): Ditto.
6891 (rtl_unswitch): Ditto.
6892 (rtl_unroll_and_peel_loops): Ditto.
6893 (rtl_doloop): Ditto.
6894 * gimple-low.c (lower_function_body): Ditto.
6895 (mark_used_blocks): Ditto.
6896 * tree-ssa-sink.c (execute_sink_code): Ditto.
6897 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6898 (cgraph_early_inlining): Ditto.
6899 * global.c (rest_of_handle_global_alloc): Ditto.
6900 * jump.c (cleanup_barriers): Ditto.
6901 (purge_line_number_notes): Ditto.
6902 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6903 (rest_of_handle_if_after_reload): Ditto.
6904 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6905 (tree_ssa_loop_im): Ditto.
6906 (tree_ssa_loop_unswitch): Ditto.
6907 (tree_vectorize): Ditto.
6908 (tree_linear_transform): Ditto.
6909 (tree_ssa_loop_ivcanon): Ditto.
6910 (tree_ssa_empty_loop): Ditto.
6911 (tree_ssa_loop_bounds): Ditto.
6912 (tree_complete_unroll): Ditto.
6913 (tree_ssa_loop_prefetch): Ditto.
6914 (tree_ssa_loop_ivopts): Ditto.
6915 (tree_ssa_loop_done): Ditto.
6916 * predict.c (tree_estimate_probability): Ditto.
6917 * recog.c (split_all_insns_noflow): Ditto.
6918 (rest_of_handle_peephole2): Ditto.
6919 (rest_of_handle_split_all_insns): Ditto.
6920 * tree-eh.c (lower_eh_constructs): Ditto.
6921 * regmove.c (rest_of_handle_regmove): Ditto.
6922 (rest_of_handle_stack_adjustments): Ditto.
6923 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6924 * function.c (instantiate_virtual_regs): Ditto.
6925 (init_function_for_compilation): Ditto.
6926 (rest_of_handle_check_leaf_regs): Ditto.
6927 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6928 (rest_of_handle_gcse): Ditto.
6929 * ipa-type-escape.c (type_escape_execute): Ditto.
6930 * alias.c (rest_of_handle_cfg): Ditto.
6931 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6932 * profile.c (rest_of_handle_branch_prob): Ditto.
6933 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6934 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6935 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6936 * tree-dfa.c (find_referenced_vars): Ditto.
6937 * except.c (set_nothrow_function_flags): Ditto.
6938 (convert_to_eh_region_ranges): Ditto.
6939 (rest_of_handle_eh): Ditto.
6940 * emit-rtl.c (unshare_all_rtl): Ditto.
6941 (remove_unnecessary_notes): Ditto.
6942 * except.h (set_nothrow_function_flags): Ditto.
6943 (convert_to_eh_region_ranges): Ditto.
6944 * cfgexpand.c (tree_expand_cfg): Ditto.
6945 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6946 * tree-ssa-pre.c (do_pre): Ditto.
6947 (execute_fre): Ditto.
6948 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6949 (rest_of_handle_jump2): Ditto.
6950 * tree-sra.c (tree_sra): Ditto.
6951 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6952 (execute_mudflap_function_decls): Ditto.
6953 * tree-ssa-copy.c (do_copy_prop): Ditto.
6954 (do_store_copy_prop): Ditto.
6955 * ipa-prop.h (ipcp_driver): Ditto.
6956 * cfglayout.c (insn_locators_initialize): Ditto.
6957 * tree-ssa-forwprop.c
6958 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6959 * cfglayout.h (insn_locators_initialize): Ditto.
6960 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6961 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6962 (execute_late_warn_uninitialized): Ditto.
6963 * rtl.h (cleanup_barriers): Ditto.
6964 (split_all_insns_noflow): Ditto.
6965 (purge_line_number_notes): Ditto.
6966 (unshare_all_rtl): Ditto.
6967 (remove_unnecessary_notes): Ditto.
6968 (recompute_reg_usage): Ditto.
6969 (variable_tracking_main): Ditto.
6970 * integrate.c (emit_initial_value_sets): Ditto.
6971 * integrate.h (emit_initial_value_sets): Ditto.
6972 * tree-optimize.c (execute_free_datastructures): Ditto
6973 (execute_free_cfg_annotations): Ditto.
6974 (execute_fixup_cfg): Ditto.
6975 (execute_cleanup_cfg_pre_ipa): Ditto.
6976 (execute_cleanup_cfg_post_optimizing): Ditto.
6977 (execute_init_datastructures): Ditto.
6978 * tree-object-size.c (compute_object_sizes): Ditto.
6979 * combine.c (rest_of_handle_combine): Ditto.
6980 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6981 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6982 (rest_of_handle_reorder_blocks): Ditto.
6983 (rest_of_handle_partition_blocks): Ditto.
6984 * var-tracking.c (variable_tracking_main): Ditto.
6985 * tree-profile.c (tree_profiling): Ditto.
6986 * tree-vect-generic.c (expand_vector_operations): Ditto.
6987 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6988 * sched-rgn.c (rest_of_handle_sched): Ditto.
6989 (rest_of_handle_sched2): Ditto.
6990 * basic-block.h (free_bb_insn): Ditto.
6991 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6992 * tree-cfg.c (execute_build_cfg): Ditto.
6993 (remove_useless_stmts): Ditto.
6994 (split_critical_edges): Ditto.
6995 (execute_warn_function_return): Ditto.
6996 (execute_warn_function_noreturn): Ditto.
6997 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6998 * cfgrtl.c (free_bb_for_insn): Ditto.
6999 * passes.c (execute_one_pass): Run additional
7000 todos returned by execute function.
7001 * tree-pass.h (struct tree_opt_pass): Make execute
7004 2006-03-02 Richard Guenther <rguenther@suse.de>
7006 * tree-ssa-alias.c (find_used_portions): Consider taking
7007 the address as making the variable not write-only.
7009 2006-03-02 Nick Clifton <nickc@redhat.com>
7011 * config.gcc (default_use_cxa_atexit): Extend the description of
7012 this configure variable. Set its default value to "yes" for
7013 Linux, NetBSD and ELF targets on the assumption that they will
7014 use C libraries with the __cxa_atexit function.
7016 2006-03-02 Ben Elliston <bje@au.ibm.com>
7018 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7019 parameter as unused to suppress a build warning.
7021 2006-03-02 Ben Elliston <bje@au.ibm.com>
7023 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7026 2006-03-01 Roger Sayle <roger@eyesopen.com>
7029 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7030 declared name, the weak reference name, and the typeof name.
7031 (__gthrw): Avoid expanding the declared name suffix.
7032 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7034 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7036 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7038 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7039 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7040 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7041 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7042 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7043 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7044 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7045 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7046 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7047 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7048 (DW_END_default, DW_END_big, DW_END_little): New.
7049 (DW_END_lo_user, DW_END_hi_user): Define.
7050 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7051 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7052 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7055 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7057 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7059 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7061 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7063 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7065 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7066 to 'symbol_mem_tag'.
7068 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7071 2006-03-01 Roger Sayle <roger@eyesopen.com>
7073 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7075 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7078 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7079 MACHO_DYNAMIC_NO_PIC_P.
7080 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7082 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7085 * config/darwin-protos.h (darwin_asm_output_anchor):
7087 * config/darwin-sections.def (cstring_section):
7088 Add SECTION_MERGE to the flags.
7089 (literal4_section): Likewise.
7090 (literal8_section): Likewise.
7091 (objc_selector_refs_section): Likewise.
7092 (objc_cls_refs_section): Likewise.
7093 * config/darwin.c (darwin_asm_output_anchor): New
7095 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7097 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7099 Fix PR tree-optimization/26443
7100 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7101 to todo and PROP_tmt_usage to properties_destroyed.
7102 * tree-ssa-ccp.c (pass_ccp): Ditto.
7103 (pass_store_ccp): Ditto.
7104 * tree-ssa-dom.c (pass_dominator): Ditto.
7106 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7108 * tree-ssa-operands.c: Cleanup whitespace.
7109 (get_asm_expr_operands): Move before first invocation.
7110 (get_indirect_ref_operands): Likewise.
7111 (get_tmr_operands): Likewise.
7112 (get_call_expr_operands): Likewise.
7113 (append_def): Likewise.
7114 (append_use): Likewise.
7115 (append_v_may_def): Likewise.
7116 (append_v_must_def): Likewise.
7117 (add_call_clobber_ops): Likewise.
7118 (add_call_read_ops): Likewise.
7119 (add_stmt_operand): Likewise.
7120 (add_virtual_operand): Likewise.
7121 (build_ssa_operands): Likewise.
7123 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7128 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7129 with a call expr to ...
7130 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7132 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7134 * tree-vrp.c (extract_range_from_assert): Remove special
7135 handling for types with super-types.
7137 2006-03-01 Ben Elliston <bje@au.ibm.com>
7139 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7140 and powerpc64-*-linux* configurations.
7141 * config/t-dfprules: New file.
7143 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7144 Compile dfp-bit.c from the source directory using -DWIDTH and
7145 $DFP_CFLAGS to control the compilation of that file, rather than
7146 generating width-specific versions in the build directory.
7147 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7148 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7150 2006-02-28 Zack Weinberg <zackw@panix.com>
7152 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7155 2006-02-28 Eric Christopher <echristo@apple.com>
7157 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7158 Set up IN_LIBGCC definition of TARGET_64BIT.
7159 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7161 2006-02-28 Roger Sayle <roger@eyesopen.com>
7164 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7165 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7166 cases via the construction of "expr != 0".
7168 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7170 * alias.c (alias_invariant, alias_invariant_size): Remove.
7171 (record_base_value): Remove.
7172 (memrefs_conflict_p): Don't look at alias_invariant.
7173 (end_alias_analysis): Don't free it.
7174 * alias.h (record_base_value): Remove prototype.
7176 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7177 Adam Nemet <anemet@caviumnetworks.com>
7179 * rtl.h (truncated_to_mode): Declare it.
7180 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7181 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7182 (RTL_HOOKS_INITIALIZER): Include it.
7183 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7184 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7185 reg_truncated_to_mode.
7186 * rtlanal.c (truncated_to_mode): Define it.
7187 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7189 2006-02-28 Jeff Law <law@redhat.com>
7191 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7192 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7193 the range allowed by TYPE_PRECISION.
7195 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7197 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7199 PR tree-optimization/26419
7200 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7203 2006-02-27 Zack Weinberg <zackw@panix.com>
7205 * doc/md.texi: Fix typo in previous change.
7207 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7211 2006-02-27 Zack Weinberg <zackw@panix.com>
7213 * rtl.def (define_constraint, define_register_constraint)
7214 (define_memory_constraint, define_address_constraint): New MD forms.
7215 * gensupport.c (process_rtx): Put define_constraint etc on the
7217 * genpreds.c (process_define_predicate): Adjust comment. Validate
7218 the name, and call validate_exp to validate the expression.
7219 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7220 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7221 all callers changed.
7222 (validate_exp, needs_variable, struct constraint_data)
7223 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7224 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7225 (const_dbl_constraints, constraint_max_namelen)
7226 (have_register_constraints, have_memory_constraints)
7227 (have_address_constraints, have_address_constraints)
7228 (have_extra_constraints, have_const_int_constraints)
7229 (have_const_dbl_constraints, mangle, add_constraint)
7230 (process_define_constraint, process_define_register_constraint)
7231 (write_enum_constraint_num, write_lookup_constraint)
7232 (write_insn_constraint_len, write_regclass_for_constraint)
7233 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7234 (write_insn_extra_memory_constraint)
7235 (write_insn_extra_address_constraint)
7236 (write_satisfies_constraint_fns): New.
7237 (write_tm_preds_h): If we have new-style constraint definitions,
7238 prototype the functions generated from them, and define the
7239 old constraint interface (still used by generic code) in terms of
7241 (write_insn_preds_c): If we have new-style constraint definitions,
7242 generate all relevant functions from those definitions.
7243 (main): Handle define_constraint etc.
7244 * genoutput.c (struct constraint_data, indep_constraints)
7245 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7246 (mdep_constraint_len): New data structures and functions, defined
7247 #ifdef USE_MD_CONSTRAINTS.
7248 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7249 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7250 use new logic to validate operand constraints against constraint
7252 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7254 * defaults.h: If none of the old-style constraint macros are
7255 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7256 old-style macros; and poison REG_CLASS_FROM_LETTER,
7257 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7259 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7260 * doc/md.texi: Document new constraint-definition mechanism and the
7261 C interface it provides. Remove references to old mechanism
7262 elsewhere in the document.
7263 (Machine Constraints): Use pathnames relative to gcc directory,
7264 i.e. config/ARCH/FILE. Change i386 section to refer to
7265 config/i386/predicates.md; update that section to match docstrings.
7266 * doc/tm.texi: Move all documentation of the old constraint-
7267 definition macros to their own section, clearly mark as obsolete.
7269 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7270 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7272 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7273 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7274 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7276 (splits and peepholes): Use satisfies_constraint_*.
7277 * config/i386/i386.c (memory_address_length)
7278 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7280 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7282 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7283 scalar operation to be put back into the loop.
7285 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7288 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7289 (extract_cie_info): Handle S flag in augmentation string.
7290 (execute_cfa_program): If context->signal_frame, execute also
7291 fs->pc == context->ra instructions.
7292 (uw_frame_state_for): If context->signal_frame, don't subtract one
7293 from context->ra to find FDE.
7294 (uw_update_context_1): Set context->signal_frame to
7296 (_Unwind_GetIPInfo): New function.
7297 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7298 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7300 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7301 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7302 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7303 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7304 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7305 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7306 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7307 x86_64_fallback_frame_state): Set fs->signal_frame.
7308 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7309 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7310 (frob_update_context): Likewise. Workaround missing S flag in
7311 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7312 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7313 Remove the psw_addr + 1 hack.
7315 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7317 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7318 with aggregates here.
7319 (find_func_aliases): Remove code for &<aggregate> from here.
7321 2006-02-26 Roger Sayle <roger@eyesopen.com>
7323 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7324 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7325 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7328 2006-02-26 Roger Sayle <roger@eyesopen.com>
7331 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7333 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7335 * opts.c (decode_options): Do not handle flag_strength_reduce.
7336 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7337 and OPT_fstrength_reduce.
7338 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7339 flag_prefetch_loop_arrays for being nonzero.
7340 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7342 (fprefetch-loop-arrays-rtl): Removed.
7343 (flag_prefetch_loop_arrays): Do not specify the value.
7345 * doc/passes.texi: Update documentation of loop optimizer
7347 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7348 -frerun-loop-opt): Remove.
7350 2006-02-26 Richard Guenther <rguenther@suse.de>
7352 PR tree-optimization/26421
7353 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7354 in function calls that are ADDR_EXPRs as using the whole structure.
7356 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7358 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7359 * tree-pass.h (pass_loop_optimize): Remove.
7360 * passes.c (pass_loop_optimize): Never run it.
7361 * toplev.c (backend_init): Don't call init_loop.
7362 * opts.c (flag_loop_optimize_set): Remove.
7363 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7364 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7365 the old RTL loop optimizer when profiling enabled.
7366 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7367 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7368 pre-headers for the sake of the old RTL loop optimizer.
7369 * Makefile.in: Remove all references to loop.o.
7371 * doc/invoke.texi: Remove all references to -floop-optimize
7372 and -frerun-loop-opt.
7374 2006-02-26 Zack Weinberg <zackw@panix.com>
7376 * doc/md.texi (Machine Constraints): Refer to all files with paths
7377 relative to gcc directory (i.e. config/CPU/file). Add missing
7378 @table @code ... @end table to M32C subsection.
7380 2006-02-26 Roger Sayle <roger@eyesopen.com>
7382 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7384 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7386 2006-02-26 Roger Sayle <roger@eyesopen.com>
7387 James A. Morrison <phython@gcc.gnu.org>
7390 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7391 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7392 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7393 signedness of the shift operation.
7395 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7397 PR tree-optimization/26359
7398 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7400 2006-02-25 Roger Sayle <roger@eyesopen.com>
7402 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7403 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7404 as X == 0, and some symmetry related transformations.
7405 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7407 2006-02-25 Roger Sayle <roger@eyesopen.com>
7410 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7411 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7412 symmetry related transformations. Fold (X^C1) == C2 as
7415 2006-02-25 Juergen Weigert <jw@suse.de>
7416 Richard Guenther <rguenther@suse.de>
7418 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7420 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7422 * combine.c (gen_lowpart_or_truncate): Call
7423 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7425 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7427 * doc/invoke.texi: Move -fopenmp description to "Options for
7429 Remove reference to -lgomp.
7431 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7433 * doc/install.texi: Require GNU tar version 1.14.
7435 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7437 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7438 * doc/invoke.texi (C++ Dialect Options): Document
7439 -fno-use-cxa-get-exception-ptr.
7440 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7441 * configure: Regenerate.
7442 * c.opt (fuse-cxa-get-exception-ptr): New.
7443 * c-opts.c (c_common_handle_option): Handle
7444 OPT_fuse_cxa_get_exception_ptr.
7445 * c-common.c (flag_use_cxa_atexit): Update documentation.
7446 (flag_use_cxa_get_exception_ptr): New.
7447 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7448 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7450 (C_COMMON_OVERRIDE_OPTIONS): New.
7452 2006-02-24 Roger Sayle <roger@eyesopen.com>
7455 * combine.c (try_combine): Explicitly check whether GET_CODE is
7456 a SET or a CLOBBER, instead on checking that it isn't a USE.
7458 2006-02-24 Roger Sayle <roger@eyesopen.com>
7460 * fold-const.c (fold_comparison): New subroutine of fold_binary
7461 containing transformations common to both the equality and
7462 ordering relational operators, factored out of fold_binary.
7463 (fold_binary): Separate out the equality operators (EQ_EXPR
7464 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7465 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7466 transformations common to both.
7467 (fold_div_compare): Fix latent bugs in the previously unreachable
7468 LT_EXPR and GE_EXPR cases.
7470 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7472 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7473 decl libname for clog to __clog on AIX.
7475 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7477 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7480 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7481 output traceback table for thunks. Localise rs6000_stack_info call.
7483 2006-02-23 Roger Sayle <roger@eyesopen.com>
7484 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7486 * gthr-posix.h (__gthrw): Fix typo in comment.
7488 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7490 * doc/cpp.texi (Character sets): Document that we do support
7491 input files to be in any character set.
7493 2006-02-23 Jeff Law <law@redhat.com>
7495 * tree.h (PHI_ARG_NONZERO): Remove.
7496 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7497 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7498 node to the new node.
7500 PR tree-optimization/26425
7501 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7502 min/max, then assume its varying.
7504 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7506 PR rtl-optimization/26316
7507 * rtlanal.c (enum may_trap_p_flags): New.
7508 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7509 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7510 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7511 (may_trap_after_code_motion_p): New function.
7512 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7513 (find_invariant_insn): Use may_trap_after_code_motion_p.
7514 * rtl.h (may_trap_after_code_motion_p): Declare.
7516 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7518 * emit-rtl.c (immed_double_const): Cleanup.
7520 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7522 Fix PR tree-optimization/26376
7523 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7526 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7529 * gimplify.c (omp_add_variable): Guard variable size decl test with
7530 DECL_SIZE (decl) check.
7532 2006-02-23 Richard Guenther <rguenther@suse.de>
7535 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7536 like aggregate types.
7538 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7540 * configure.ac: Add --with{,out}-long-double-128 configure option.
7541 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7542 * configure: Rebuilt.
7543 * config.in: Rebuilt.
7544 * doc/install.texi (Options specification): Document
7545 --with-long-double-128.
7547 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7548 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7549 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7550 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7552 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7554 * config/s390/s390.c (override_options): Handle
7555 TARGET_DEFAULT_LONG_DOUBLE_128.
7557 * config/alpha/alpha.c (override_options): Handle
7558 TARGET_DEFAULT_LONG_DOUBLE_128.
7560 * config/sparc/sparc.c (sparc_override_options): Handle
7561 TARGET_DEFAULT_LONG_DOUBLE_128.
7563 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7565 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7566 (real-install-headers-tar, real-install-headers-cpio)
7567 (real-install-headers-cp): New targets.
7569 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7571 * tree.h (variable_section): Delete.
7572 * varasm.c (variable_section): Delete.
7574 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7576 * install.texi: Add notes on install.texi2html.
7577 (Building in parallel): Do not use footnotes.
7579 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7582 * doc/install.texi (Configuration): Document --disable-libgomp.
7584 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7586 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7588 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7590 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7591 (vec_extractv2df_0_sse): New.
7593 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7595 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7596 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7597 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7598 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7599 to the result of the expression.
7600 (def_cfa_1): Adjust.
7601 (frame_pointer_cfa_offset): Rename to...
7602 (frame_pointer_fb_offset): ... this. Adjust all uses.
7603 (convert_cfa_to_loc_list): Rename to...
7604 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7605 Pass it on to build_cfa_loc.
7606 (compute_frame_pointer_to_cfa_displacement): Rename to...
7607 (compute_frame_pointer_to_fb_displacement): ... this. New
7608 offset parameter. Use it in computation.
7609 (gen_subprogram_die): Compute cfa_fb_offset with the new
7610 macro, and use it to compute the fb loc list and the
7613 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7615 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7616 replaced with register_operand.
7617 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7618 non-DREG is expensive.
7619 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7620 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7623 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7625 * doc/install.texi2html: Use set -e.
7627 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7629 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7630 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7631 * doc/invoke.texi (-fshared-data): Delete.
7632 * common.opt (fshared-data): Delete.
7633 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7634 (assemble_static_space): Remove #if 0 code.
7635 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7636 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7637 * config/cris/cris.h: Remove FIXME.
7639 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7641 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7644 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7647 * combine.c (simplify_shift_const_1): Disable nested shifts
7648 optimization for vector shifts.
7650 2006-02-20 Roger Sayle <roger@eyesopen.com>
7652 PR tree-optimization/26361
7653 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7654 of unsigned integer types.
7656 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7658 * tree-chrec.c (eq_evolutions_p): New.
7659 * tree-chrec.h (eq_evolutions_p): Declared.
7660 * tree-data-ref.c: Fix formatting.
7661 (datadep_stats, dependence_stats): New.
7663 (print_direction_vector): New.
7664 (dump_data_dependence_relation): Use print_direction_vector.
7665 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7666 (compute_subscript_distance): Static.
7667 (initialize_data_dependence_relation): Static. Get the number
7668 of loops surrounding the references from the callers, and initialize
7669 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7670 base_object_differ_p analyzers.
7671 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7672 compute_overlap_steps_for_affine_1_2,
7673 analyze_subscript_affine_affine): Count the classified dependences.
7674 Print a message when a test failed.
7675 (can_use_analyze_subscript_affine_affine): New.
7676 (analyze_siv_subscript): Compute the data dependences on symbolic
7677 scevs that verify can_use_analyze_subscript_affine_affine.
7678 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7679 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7680 Handle symbolic scevs.
7681 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7683 (subscript_dependence_tester): Moved...
7684 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7685 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7686 DDR_SIZE_VECT instead of getting it in parameter.
7687 (subscript_dependence_tester): ... here. Take as a parameter
7688 loop_nest_depth. Call build_classic_dist_vector and
7689 build_classic_dir_vector.
7690 (compute_affine_dependence): Update subscript_dependence_tester
7691 parameters. Update datadep_stats counters. Call
7692 compute_subscript_distance.
7693 (compute_self_dependence): Save the dist and dir vectors. Call
7694 compute_subscript_distance.
7695 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7696 (compute_all_dependences): Reorder parameters as they were before
7697 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7698 compute_subscript_distance. Update the use of
7699 compute_affine_dependence and initialize_data_dependence_relation.
7700 (find_data_references_in_loop): Handle COMPONENT_REF.
7701 (compute_data_dependences_for_loop): Initialize dependence_stats.
7702 Don't call build_classic_dist_vector and build_classic_dir_vector.
7703 Update the parameters of initialize_data_dependence_relation and
7704 compute_all_dependences. Print the statistics from datadep_stats.
7705 (analyze_all_data_dependences): Static. Not used until the pass for
7706 checking the data dependences is contributed.
7707 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7708 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7709 (initialize_data_dependence_relation, compute_affine_dependence,
7710 analyze_all_data_dependences, compute_subscript_distance): Removed.
7711 (print_direction_vector): New.
7712 * lambda.h (gcd): ... here.
7713 (lambda_vector_gcd): Moved here from gcd_vector.
7714 * lambda-code.c (gcd, gcd_vector): Removed.
7715 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7716 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7718 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7720 * ipa-type-escape.c: Tidy some comments and white space.
7721 * tree-ssa-operands.c: Likewise.
7723 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7726 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7727 (dump_decl_name): Do not walk the decl tree chains.
7728 * tree-pass.h (TDF_CHAIN): Remove.
7730 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7732 * Makefile.in (C): Remove
7734 (.PHONY): Remove C and PROTO
7736 2006-02-20 Roger Sayle <roger@eyesopen.com>
7739 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7740 deprecated CHAR_TYPE tree code.
7742 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7744 * configure.ac (target_list): Add install-info, dvi, html.
7745 * configure: Regenerate.
7747 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7748 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7749 treelang/Make-lang.in: Do not use double-colon rules.
7751 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7753 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7754 (TMT_USED_ALONE): New macro.
7755 * tree-pass.h (PROP_tmt_usage): New property.
7756 (TODO_update_tmt_usage): New todo.
7757 * tree-ssa-alias.c (updating_used_alone): New variable.
7758 (recalculate_used_alone): New function.
7759 (compute_may_aliases): Set updating_used_alone, call
7760 recalculate_used_alone.
7761 * tree-sra.c (pass_sra): Note that this pass destroys
7762 PROP_tmt_usage, and add TODO_update_tmt_usage.
7763 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7764 * tree-flow.h (updating_used_alone): Prototype.
7765 (recalculate_used_alone): Ditto.
7766 * passes.c (execute_todo): Add code to set updating_used_alone,
7767 and call recalculate.
7768 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7769 for clobber if used alone, and add assert to verify used_alone
7772 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7774 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7775 for non tls symbols added.
7776 (legitimize_address): Do nothing for PLUS expressions if one of the
7777 addends is a tls symbol reference.
7779 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7783 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7785 * Makefile.in (BOOTSTRAPPING): New.
7786 (quickstrap): New definition if BOOTSTRAPPING=yes.
7788 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7789 * configure.ac: Substitute all_selected_languages with the languages
7790 that were configured. For all the other variables except
7791 lang_specs_files, include all the languages in the tree.
7792 * configure: Regenerate.
7794 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7795 if there is one. Run the commands to run fixincludes in the same
7798 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7799 * doc/install.texi: Document exact conventions for searching target tools.
7800 Document --with-build-time-tools. Document toplevel bootstrap. Document
7801 something more about building an Ada cross-compiler. Don't list GNU Make
7802 requirements which affect all platforms.
7804 2006-02-19 Roger Sayle <roger@eyesopen.com>
7807 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7808 only equivalent if the have both the same mode and precision.
7810 2006-02-20 Ben Elliston <bje@au.ibm.com>
7812 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7814 2006-02-19 Roger Sayle <roger@eyesopen.com>
7815 Steven Bosscher <stevenb.gcc@gmail.com>
7817 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7818 constant pool references to identify stack mode constants.
7819 * rtlanal.c (constant_pool_constant_p): New predicate to check
7820 whether operand is a floating point constant in the pool.
7821 * rtl.h (constant_pool_constant_p): Prototype here.
7822 * loop.c (scan_loop): Avoid hoisting constants from the constant
7823 pool on STACK_REGS targets.
7824 (load_mems): Likewise.
7825 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7826 loads into x87 registers expensive in terms of register pressure.
7828 2006-02-19 Roger Sayle <roger@eyesopen.com>
7830 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7831 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7833 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7835 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7836 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7838 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7840 * doc/invoke.texi: Document -fipa-pta.
7841 * common.opt: Add ipa-pta option.
7842 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7843 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7844 (do_ds_constraint): Ditto.
7845 (get_constraint_for): Only add to referenced_vars if
7846 referenced_vars exists.
7847 (insert_into_field_list): Rewrite to do this unsorted.
7848 (insert_into_field_list_sorted): Rename old insert_into_field_list
7850 (create_function_info_for): Use insert_into_field_list_sorted.
7851 (create_variable_info_for): Rewrite so it uses unsorted version,
7852 since the field list is sorted.
7853 (intra_create_variable_infos): Only add to referenced_vars if
7854 referenced_vars exists.
7855 (ipa_pta_execute): Init heapvars, and delete when done.
7856 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7858 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7860 * doc/install.texi: Add missing `@samp'.
7862 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7864 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7867 2006-02-18 Mark Wielaard <mark@klomp.org>
7869 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7870 who added new 4.1 features, bug fixes and integration support.
7872 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7875 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7878 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7880 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7881 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7882 (copy_insn_1): Likewise. Don't copy each field individually.
7884 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7886 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7887 * rtl.c (rtx_size): Rename variable to...
7888 (rtx_code_size): ...this.
7889 (rtx_size): New function.
7890 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7891 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7893 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7894 * rtl.h (rtx_code_size): New variable.
7895 (rtx_size): Change from a variable to a function.
7896 (RTX_SIZE): Rename to...
7897 (RTX_CODE_SIZE): ...this.
7900 PR tree-optimization/17106
7901 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7902 (Anchored Addresses): New section.
7903 * doc/invoke.texi (-fsection-anchors): Document.
7904 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7905 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7906 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7907 * hooks.c (hook_bool_mode_rtx_false): New function.
7908 * hooks.h (hook_bool_mode_rtx_false): Declare.
7909 * gengtype.c (create_optional_field): New function.
7910 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7911 SYMBOL_REF_IN_BLOCK_P is true.
7912 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7913 (min_anchor_offset, max_anchor_offset): Likewise.
7914 (use_anchors_for_symbol_p): New hook.
7915 * toplev.c (compile_file): Call output_object_blocks.
7916 (target_supports_section_anchors_p): New function.
7917 (process_options): Check that -fsection-anchors is only used on
7918 targets that support it and when -funit-at-a-time is in effect.
7919 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7920 if the decl doesn't have one.
7921 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7922 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7923 of force_const_mem through use_anchored_address.
7924 (expand_expr_constant): New function.
7925 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7926 calling expand_expr for INDIRECT_REF.
7927 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7928 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7929 * expr.h (use_anchored_address): Declare.
7930 * loop-unroll.c: Don't declare rtx vectors here.
7931 * explow.c: Include output.h.
7932 (validize_mem): Call use_anchored_address.
7933 (use_anchored_address): New function.
7934 * common.opt (-fsection-anchors): New switch.
7935 * varasm.c (object_block_htab, anchor_labelno): New variables.
7936 (hash_section, object_block_entry_eq, object_block_entry_hash)
7937 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7938 (use_blocks_for_decl_p, change_symbol_section): New functions.
7939 (get_variable_section): New function, split out from assemble_variable.
7940 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7941 use_blocks_for_decl_p say so. Use change_symbol_section if the
7942 symbol has already been created.
7943 (assemble_variable_contents): New function, split out from...
7944 (assemble_variable): ...here. Don't output any code for
7945 block symbols; just pass them to place_block_symbol.
7946 Use get_variable_section and assemble_variable_contents.
7947 (get_constant_alignment, get_constant_section, get_constant_size): New
7948 functions, split from output_constant_def_contents.
7949 (build_constant_desc): Create a block symbol if use_object_blocks_p
7950 says so. Or into SYMBOL_REF_FLAGS.
7951 (assemble_constant_contents): New function, split from...
7952 (output_constant_def_contents): ...here. Don't output any code
7953 for block symbols; just pass them to place_section_symbol.
7954 Use get_constant_section and get_constant_alignment.
7955 (force_const_mem): Create a block symbol if use_object_blocks_p and
7956 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7957 (output_constant_pool_1): Add an explicit alignment argument.
7958 Don't switch sections here.
7959 (output_constant_pool): Adjust call to output_constant_pool_1.
7960 Switch sections here instead. Don't output anything for block symbols;
7961 just pass them to place_block_symbol.
7962 (init_varasm_once): Initialize object_block_htab.
7963 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7964 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7965 (place_block_symbol, get_section_anchor, output_object_block)
7966 (output_object_block_htab, output_object_blocks): New functions.
7967 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7968 (TARGET_ASM_OUT): Include it.
7969 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7970 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7971 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7972 (TARGET_INITIALIZER): Include them.
7973 * rtl.c (rtl_check_failed_block_symbol): New function.
7974 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7975 (block_symbol, object_block): New structures.
7976 (rtx_def): Add a block_symbol field to the union.
7977 (BLOCK_SYMBOL_CHECK): New macro.
7978 (rtl_check_failed_block_symbol): Declare.
7979 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7980 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7981 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7982 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7983 * output.h (output_section_symbols): Declare.
7984 (object_block): Name structure.
7985 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7986 (default_use_anchors_for_symbol_p): Declare.
7987 * Makefile.in (RTL_BASE_H): Add vec.h.
7988 (explow.o): Depend on output.h.
7989 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7990 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7991 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7992 (rs6000_use_blocks_for_constant_p): New function.
7994 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7996 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7998 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8001 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8004 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8006 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8010 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8013 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8014 instead of DECL_REGISTER.
8016 2006-02-18 Olivier Hainque <hainque@adacore.com>
8019 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8021 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8024 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8025 * opth-gen.awk: Handle Var and InverseMask together.
8026 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8027 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8028 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8029 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8031 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8032 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8033 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8034 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8035 LINUX_DYNAMIC_LINKER): Define.
8036 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8037 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8039 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8040 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8041 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8043 (TARGET_C99_FUNCTIONS): Don't define.
8044 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8045 GLIBC_DYNAMIC_LINKER.
8046 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8047 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8048 GLIBC_DYNAMIC_LINKER64): Define.
8049 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8050 LINUX_DYNAMIC_LINKER64.
8051 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8053 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8054 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8055 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8057 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8058 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8059 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8061 and LINUX_DYNAMIC_LINKER32.
8062 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8064 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8066 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8068 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8069 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8070 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8071 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8072 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8073 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8074 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8075 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8076 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8077 LINUX_DYNAMIC_LINKER): Define.
8078 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8079 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8080 GLIBC_DYNAMIC_LINKER64): Define.
8081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8082 LINUX_DYNAMIC_LINKER64.
8083 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8084 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8085 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8086 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8087 LINUX_DYNAMIC_LINKER): Define.
8088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8089 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8090 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8091 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8092 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8093 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8094 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8095 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8096 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8097 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8099 * doc/invoke.texi (-muclibc): Remove caveat about supported
8102 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8104 * doc/cpp.texi (__TIMESTAMP__): Document.
8106 2006-02-17 Roger Sayle <roger@eyesopen.com>
8109 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8110 C is one less than the width of X (and related transformations).
8111 * simplify-rtx.c (simplify_unary_operation_1): Transform
8112 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8113 depending on STORE_FLAG_VALUE, were C is one less then the
8116 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8118 Fix PR tree-optimization/26341
8119 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8120 about NAME_MEMORY_TAG's.
8122 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8125 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8126 with hardware float support, and software float support. Add fcpy
8127 alternative to hardware patterns. Add alternatives to copy between
8128 general and floating-point registers to the 32-bit pattern.
8129 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8130 secondary reload to load a QI or HI mode constant into a floating
8132 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8133 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8135 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8138 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8140 (load_macho_picbase_di): Likewise.
8142 2006-02-16 Jeff Law <law@redhat.com>
8144 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8145 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8146 (ssa_name_nonzero_p): Likewise.
8147 (get_value_range): Return NULL if VRP is not running.
8148 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8149 VRP routines do not discover a range.
8150 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8151 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8152 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8153 (tree_expr_nonnegative_p): Similarly.
8154 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8155 (restore_nonzero_vars_to_original_value): Remove.
8156 (unsafe_associative_fp_binop): Remove.
8157 (tree_ssa_dominator_optimize): Remove initialization and
8158 finalization of nonzero_vars and nonzero_vars_stack.
8159 (dom_opt_initialize_block): No longer push marker on
8161 (dom_opt_finalize_block): No longer call
8162 restore_nonzero_vars_to_original_value.
8163 (record_equivalences_from_phis): No longer look for
8164 nonzero PHI arguments.
8165 (cprop_into_successor_phis): No longer propagate nonzero
8166 property into PHI arguments. Lose unused argument. Caller
8168 (record_equivalences_from_stmt): No longer record nonzero
8169 values for SSA_NAMEs.
8170 (lookup_avail_expr): No longer use nonzero_vars.
8172 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8173 for sizetype when sizetype is unsigned.
8175 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8177 PR rtl-optimization/25603
8178 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8179 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8180 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8181 with new meaning of SETS.
8183 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8188 * config/linux.opt: New file.
8189 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8190 LINUX_DYNAMIC_LINKER): Define.
8191 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8192 * config.gcc (*-*-linux*): Define extra_options.
8193 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8194 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8195 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8196 GLIBC_DYNAMIC_LINKER.
8197 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8198 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8199 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8201 * doc/invoke.texi (GNU/Linux Options): New section.
8203 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8205 * config/sparc/sparc.md (setjmp): Rewrite.
8206 (setjmp_32): Delete.
8207 (setjmp_64): Likewise.
8209 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8211 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8214 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8216 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8219 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8221 PR rtl-optimization/26296
8222 * Makefile.in (loop-invariant.c): Add except.h dependency.
8223 * loop-invariant.c: Include except.h.
8224 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8226 2005-02-16 Paul Brook <paul@codesourcery.com>
8228 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8231 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8233 PR rtl-optimization/25636
8234 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8235 when deciding whether an insn is an initializing insn.
8237 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8239 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8240 (tree_code_size): Ditto.
8241 * tree.h (struct tree_memory_tag): Remove parent_var.
8242 (struct tree_struct_field_tag): New.
8245 (union tree_node): Add sft member.
8246 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8248 (create_sft): Add size and offset argument, set SFT_OFFSET and
8250 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8251 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8252 * tree-flow-inline.h (get_subvar_at): Update for
8253 SFT_OFFSET/SFT_SIZE.
8254 (var_can_have_subvars): Ditto.
8255 (overlap_subvar): Ditto.
8256 * print-tree.c (print_node): Print out interesting things for
8258 * tree-flow.h (struct subvar): Remove offset and size members.
8259 * tree-ssa-operands.c (get_expr_operands): Update for
8260 get_indirect_ref_operands changes.
8261 (get_indirect_ref_operands): Call add_virtual_operand instead of
8262 add_stmt_operand. Only recurse on base var if requested.
8263 (access_can_touch_variable): New function.
8264 (add_stmt_operand): Split virtual operand handling into ...
8265 (add_virtual_operand): Here. Add offset, size, and for_clobber
8266 arguments. Prune alias sets.
8267 (add_call_clobber_ops): Call add_virtual_operand.
8269 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8272 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8274 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8275 than TREE_CODE as index into omp_clause_num_ops array.
8277 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8279 PR rtl-optimization/26184
8280 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8282 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8283 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8284 must_precede, must_follow and tobe_scheduled.
8287 * opts.c (common_handle_option): Free new_option pointer.
8288 * df-core.c (df_analyze): Free postorder pointer.
8290 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8292 * Makefile.in: Fix the examples about the use of stamps
8294 2006-02-15 Michael Matz <matz@suse.de>
8298 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8299 influenced by maximum_field_alignment or DECL_PACKED.
8300 (update_alignment_for_field): Ditto.
8301 (place_field): Ditto.
8302 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8305 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8307 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8308 (debug_flow_info): Pass it.
8309 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8310 * bb-reorder.c (reorder_basic_blocks): Likewise.
8311 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8312 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8313 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8314 * gcse.c (gcse_main, bypass_jumps): Likewise.
8315 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8316 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8317 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8318 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8319 * rtl.h (dump_flow_info): Adjust prototype.
8320 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8321 * var-tracking.c (variable_tracking_main): Likewise.
8322 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8323 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8326 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8328 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8331 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8333 PR tree-optimization/26209
8334 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8335 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8337 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8339 2006-02-14 Roger Sayle <roger@eyesopen.com>
8342 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8343 (X,Y) and the corresponding symmetry related transformations.
8344 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8345 (X,Y) and its symmetry related transformations.
8347 2006-02-14 Roger Sayle <roger@eyesopen.com>
8349 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8352 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8354 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8356 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8359 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8360 support COMDAT group.
8361 * configure: Regenerate.
8363 2006-02-14 Roger Sayle <roger@eyesopen.com>
8368 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8370 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8372 Fix PR tree-optimization/26260
8374 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8376 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8377 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8378 * tree-ssa-structalias.c (create_variable_info_for): Use
8379 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8381 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8383 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8385 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8386 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8387 of the ending condition.
8388 * tree-ssa-loop-manip.c: Include params.h.
8389 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8390 tree_unroll_loop): New functions.
8391 * tree-pass.h (pass_loop_prefetch): Declare.
8392 * loop.c (rest_of_handle_loop_optimize): Test for
8393 -fprefetch-loop-arrays-rtl.
8394 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8395 * timevar.def (TV_TREE_PREFETCH): New timevar.
8396 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8397 pass_loop_prefetch): New.
8398 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8399 (cleanup_tree_cfg_loop): Call scev_reset.
8400 * common.opt (fprefetch-loop-arrays-rtl): Add.
8401 * tree-ssa-loop-prefetch.c: New file.
8402 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8403 (new_temp_expr_table): Initialize expr_vars.
8404 (free_temp_expr_table): Cleanup expr_vars.
8405 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8406 expressions from being merged into one.
8407 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8408 (struct tree_niter_desc): Add control, bound and cmp fields.
8409 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8411 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8412 (tree-cfgcleanup.o): Add SCEV_H dependency.
8413 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8414 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8416 2006-02-14 Richard Guenther <rguenther@suse.de>
8418 PR tree-optimization/26258
8419 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8420 in PHI argument processing.
8422 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8424 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8425 new expression in the requested machine mode.
8427 2006-02-13 Roger Sayle <roger@eyesopen.com>
8429 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8430 directly, instead let do_compare_rtx_and_jump handle this for us.
8431 * expr.c (expand_expr_real_1): Likewise.
8432 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8433 before do_jump_by_parts_greater.
8434 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8435 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8437 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8439 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8441 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8443 PR rtl-optimization/26235
8444 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8445 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8448 2006-02-13 Jeff Law <law@redhat.com>
8450 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8453 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8456 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8457 twice if decl is a builtin. When trying again, call get_callee_fndecl
8458 first to verify it is still a builtin.
8460 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8462 * dwarf2out.c (base_type_die): Don't add AT_name here.
8463 (subrange_type_die): Don't add AT_name here.
8464 (modified_type_die): Rearrange code flow. Do add AT_name here.
8466 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8468 PR rtl-optimization/26247
8469 PR rtl-optimization/26248
8470 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8472 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8474 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8475 * config/fixtfdi.c: Likewise.
8476 * config/fixunstfdi.c: Likewise.
8477 * config/floatditf.c: Likewise.
8479 2006-02-13 Roger Sayle <roger@eyesopen.com>
8482 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8483 into (X,C2) if C1 is a subset of the bits of C2. Transform
8484 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8486 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8488 2006-02-13 Josh Conner <jconner@apple.com>
8491 * varasm.c (function_section): Check for section name before
8492 calling select_section on targets that define
8493 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8494 unlikely_text_section instead of hot_function_section if
8495 first_function_block_is_cold.
8497 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8500 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8502 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8504 PR rtl-optimization/26222
8505 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8506 after tree->rtl expansion.
8507 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8508 before passing it to emit_move_insn.
8510 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8512 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8514 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8515 Clarify documentation.
8516 * c-common.h (warn_write_strings): Remove.
8517 * c-common.c (warn_write_strings): Likewise.
8518 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8521 2006-02-12 Roger Sayle <roger@eyesopen.com>
8524 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8525 (do_jump_parts_zero_rtx): New function renamed from
8526 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8527 (do_jump_parts_equality_rtx): New function split out from
8528 do_jump_parts_equality. Old implementation renamed as above.
8529 Call do_jump_parts_zero_rtx if either operand is zero.
8530 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8531 do all of the heavy lifting.
8532 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8533 calling either do_jump_by_parts_greater_rtx or
8534 do_jump_by_parts_equality_rtx.
8535 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8536 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8537 moved to do_compare_rtx_and_jump, call it directly.
8538 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8539 mode argument. Call do_compare_rtx_and_jump.
8540 (emit_case_nodes): Update calls to do_jump_if_equal.
8542 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8544 PR rtl-optimization/26225
8545 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8547 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8549 PR rtl-optimization/26232
8550 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8552 2006-02-11 Jason Merrill <jason@redhat.com>
8555 * tree-inline.c (declare_return_variable): Just don't use the
8556 modify target if it's a gimple complex reg and the return slot
8559 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8561 * doc/contrib.texi: Update my entry.
8563 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8565 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8567 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8569 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8572 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8574 * doc/invoke.texi (-floop-optimize2): Removed.
8575 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8576 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8577 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8578 * common.opt (floop-optimize2): Removed.
8579 (fmove-loop-invariants): Enabled by default.
8581 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8583 * tree-if-conv.c (combine_blocks): Free the result of
8584 get_loop_exit_edges.
8586 2006-02-10 Jeff Law <law@redhat.com>
8588 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8590 PR tree-optimization/26213
8591 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8592 loop trying to follow SSA_NAME_VALUE chains.
8594 2006-02-10 Richard Guenther <rguenther@suse.de>
8596 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8597 deal with structures that end in implicitly variable sized arrays.
8599 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8601 PR rtl-optimization/24762
8602 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8605 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8607 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8608 (struct ivopts_data): Add regs_used field.
8609 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8610 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8611 instead of loop_data->regs_used;
8612 (free_loop_data): Do not free aux fields for loops.
8613 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8614 and tree_ssa_iv_optimize_finalize.
8616 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8618 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8620 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8623 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8624 computing the effective result type.
8626 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8629 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8630 (tree_overlaps_hard_reg_set): Declare.
8631 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8632 type and signature to match function type expected by walk_tree.
8633 (tree_overlaps_hard_reg_set): New function.
8634 (decl_conflicts_with_clobbers_p): Rename to:
8635 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8636 Use tree_overlaps_hard_reg_set. Changed caller.
8637 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8638 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8639 * cris.c (cris_md_asm_clobbers): Likewise.
8641 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8643 * reload1.c (emit_input_reload_insns): Delete code that tries to
8644 inherit using find_equiv_reg.
8646 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8648 * c-common.h (flag_const_strings): Don't declare.
8649 * c-common.c (flag_const_strings): Remove.
8650 * c.opt (fconst_strings): Remove.
8651 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8652 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8653 (c_common_init_options): Don't set flag_const_strings.
8654 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8656 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8658 * arm.md (tlobits_cbranch): New pattern.
8659 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8660 testing a single bit.
8662 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8665 * tree-ssa-pre.c (create_component_ref_by_pieces):
8666 Handle RETURN_DECL like VAR_DECL.
8668 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8671 * fold-const.c (fold_indirect_ref_1): Fold
8672 "*(foo *)&complexfoo" to "__real__ complexfoo"
8673 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8675 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8677 * tree-flow-inline.h (var_can_have_subvars):
8678 Volatile variables should not have subvariables.
8680 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8683 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8684 multiplying unsigned values.
8687 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8689 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8691 2006-02-08 Jason Merrill <jason@redhat.com>
8694 * tree.def: Elaborate on difference from MODIFY_EXPR.
8695 * doc/c-tree.texi (INIT_EXPR): Likewise.
8696 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8697 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8698 (gimplify_target_expr): Likewise.
8699 (gimplify_cond_expr): Remove target handling.
8700 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8701 (gimplify_expr): Clobber it here.
8702 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8703 Do return slot optimization if we have an INIT_EXPR.
8706 * tree-inline.c (declare_return_variable): Also clear
8707 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8710 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8713 * gimplify.c (gimplify_one_sizepos): Fix typo.
8715 2006-02-08 Jeff Law <law@redhat.com>
8717 PR tree-optimization/21417
8718 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8719 across a backedge if the control statement at the end of the
8720 block is data dependent on other statements in the same block.
8721 (record_temporary_equivalences_from_stmts): Remove over-conservative
8722 test for threading across backedges.
8724 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8725 control statement, handle all three special cases in the same
8726 manner as they all have the same desired solution. No longer
8727 special case edge flag updating when the post dominator is
8730 2006-02-08 Roger Sayle <roger@eyesopen.com>
8732 * tree.def (CHAR_TYPE): Remove.
8733 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8734 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8735 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8736 (gen_string_type_die): Delete unreachable function.
8738 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8739 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8740 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8741 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8742 * builtins.c (type_to_class): Likewise.
8743 * fold-const.c (fold_convert, build_range_check,
8744 merge_ranges): Likewise.
8745 * expr.c (count_type_elements): Likewise.
8746 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8747 * stor-layout.c (layout_type): Likewise.
8748 * ipa-type-escape.c (type_to_consider): Likewise.
8749 * gimplify.c (omp_firstprivatize_type_sizes,
8750 gimplify_type_sizes): Likewise.
8751 * explow.c (promote_mode): Likewise.
8752 * tree-sra.c (is_sra_scalar_type): Likewise.
8753 * varasm.c (output_constant): Likewise.
8754 * tree-inline.c (remap_type_1): Likewise.
8755 * convert.c (convert_to_pointer, convert_to_real,
8756 convert_to_integer, convert_to_complex): Likewise.
8758 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8760 * df-scan.c (df_def_record_1): A set destination may
8761 be a parallel regardless of mode.
8763 2006-02-08 Roger Sayle <roger@eyesopen.com>
8766 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8767 * config/mips/_tilib.c: Remove.
8768 * config/fixtfdi.c: New libgcc source file.
8769 * config/fixunstfdi.c: New source file.
8770 * config/floatditf.c: New source file.
8771 * config/floatunditf.c: New souce file.
8772 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8773 files above instead of config/mips/_tilib.c.
8774 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8776 2006-02-08 Jeff Law <law@redhat.com>
8778 PR tree-optimization/26169
8779 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8782 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8784 * df.h (DF_REG_SIZE): Return the length of the initialized
8787 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8789 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8790 __muldf3): Return a correctly signed zero.
8792 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8794 * passes.c (register_one_dump_file): Accept the current properties
8795 instead of pass number. Adjust call to dump_register. Remove
8797 (register_dump_files): Now a wrapper around...
8798 (register_dump_files_1): ... this one. Do not modify the pass
8800 (next_pass_1): Cosmetic fix.
8801 (execute_todo): Keep second parameter only. Use curr_properties
8802 instead of fetching it from the pass structure. Check and set
8804 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8805 instead of fetching it from the pass structure. Fix calls to
8806 execute_todo. Update curr_properties and initialize .vcg RTL dump
8807 after running the pass. Reset last_verified.
8808 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8810 (FIRST_AUTO_NUMBERED_DUMP): New.
8811 (dump_register): Remove "num" parameter, assign it within the
8813 (get_dump_file_name): Modify template for dumps.
8814 * tree-dump.h (dump_register): Adjust prototype.
8815 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8816 (PROP_trees): Add PROP_gimple_lomp.
8817 (TODO_set_props): New.
8818 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8819 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8820 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8822 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8824 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8825 (sparc64-*-linux*): Likewise.
8826 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8827 * config/sparc/t-linux: New file.
8828 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8829 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8830 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8831 -m32 -mlong-double-128.
8833 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8834 * config/alpha/t-linux: New file.
8835 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8837 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8838 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8839 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8840 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8841 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8842 (CPP_ARCH32_SPEC): Remove.
8844 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8846 PR tree-optimization/26145
8847 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8850 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8853 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8854 >= 240000 when generating code for SOM runtime.
8855 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8856 to $$dyncall when generating code for SOM runtime..
8858 2006-02-07 Dirk Mueller <dmueller@suse.com>
8861 * doc/invoke.texi (-Wsequence-point): Update documentation
8862 that -Wsequence-point is implemented for C++ as well.
8864 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8866 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8867 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8868 (LIB_SPEC): Likewise.
8869 * doc/invoke.texi (SPARC options): Document -pthread.
8871 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8873 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8876 2006-02-07 Roger Sayle <roger@eyesopen.com>
8878 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8879 Correct comment describing BOOLEAN_TYPE.
8881 2006-02-07 Dirk Mueller <dmueller@suse.com>
8883 * c.opt: C++ frontend supports -Wdiv-by-zero.
8884 * c-opts.c (c_common_handle_option): Remove dead case.
8886 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8888 * configure.ac (TLS assembler check): Do not enable TLS by
8889 default on SPARC/Solaris before version 10.
8890 * configure: Regenerate.
8892 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8894 * doc/invoke.texi (xl-compat): Document conversion and support
8897 2006-02-07 Jeff Law <law@redhat.com>
8899 * tree-vrp.c (find_conditional_asserts): Update comments.
8900 (simplify_stmt_for_jump_threading): New.
8901 (identify_jump_threads, finalize_jump_threads): New.
8902 (vrp_finalize): Call identify_jump_threads.
8903 (execute_vrp): Call finalize_jump_threads.
8904 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8905 (vrp_element, vrp_data, vrp_element_p): Remove.
8906 (vrp_hash_elt, vrp_variables_stack): Remove.
8907 (vrp_hash, vrp_eq, record_range): Remove.
8908 (simplify_cond_and_lookup_avail_expr): Remove.
8909 (extract_range_from_cond): Remove.
8910 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8911 (simplify_stmt_for_jump_threading): New.
8912 (dom_thread_across_edge): New wrapper.
8913 (tree_ssa_dominator_optimize): No longer initialize or
8914 finalize any of the VRP datastructures. Remove iteration
8915 step and simplify as a result of removal of iteration step.
8916 (pass_dominator): Perform a cfg cleanup after DOM.
8917 (dom_opt_finalize_block): Use the new common routines
8918 for threading jumps. Simplify stack management slightly.
8919 No longer need to unwind VRP state.
8920 (record_equivalences_from_incoming_edge): No longer record
8922 (eliminate_redundant_computations): No longer call
8923 simplify_cond_and_lookup_avail_expr.
8924 * tree-flow.h (potentially_threadable_block): Prototype.
8925 (thread_across_edge): Likewise.
8926 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8927 (tree-ssa-threadedge.o): Add dependencies.
8928 * tree-ssa-threadedge.c: New file.
8929 * passes.c (init_optimization_passes): Merge PHIs before
8930 calling VRP. Run VRP again late in the SSA optimization pipeline.
8932 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8934 * df-core.c (df_set_blocks): Do not dereference function pointers.
8935 (df_finish1): Likewise.
8936 (df_hybrid_search_forward): Likewise.
8937 (df_hybrid_search_backward): Likewise.
8938 (df_iterative_dataflow): Likewise.
8939 (df_analyze_problem): Likewise.
8940 (df_compact_blocks): Likewise.
8941 (df_dump): Likewise.
8942 * df-scan.c (df_rescan_blocks): Likewise.
8943 (df_record_entry_block_defs): Likewise.
8945 * genconditions.c (write_conditions): Guard the definition of
8946 'insn_conditions' with the check on GCC version.
8947 (write_writer): Guard the traversal 'insn_conditions' with
8948 the check on GCC version.
8950 2006-02-07 Richard Guenther <rguenther@suse.de>
8954 2006-01-30 Richard Guenther <rguenther@suse.de>
8956 * gimplify.c (gimplify_target_expr): Handle easy cases
8957 without creating a temporary.
8959 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8961 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8962 use of float in probability computations. Use edge probabilities
8963 in place of statically computed probabilities.
8964 (min_spec_prob): New static variable.
8965 (schedule_insns): Initialize it.
8966 (GET_SRC_PROB): Removed.
8967 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8969 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8972 * config/ia64/unwind-ia64.c: Revert last change.
8973 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8974 (INCOMING_FRAME_SP_OFFSET): Define.
8976 2006-02-06 Roger Sayle <roger@eyesopen.com>
8978 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8980 2006-02-07 Ben Elliston <bje@au.ibm.com>
8982 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8983 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8984 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8985 (ix86_return_in_memory): Handle TDmode.
8986 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8987 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8989 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8991 * reorg.c (dbr_schedule): Use dump_file instead of file.
8993 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8996 * config/ia64/predicates.md (extr_len_operand): New predicate.
8997 * config/ia64/ia64.md (extv): Tighten constraints.
8999 (*tbit_and_2): Ditto.
9000 (*tbit_and_3): Ditto.
9001 (*tbit_or_2): Ditto.
9002 (*tbit_or_3): Ditto.
9006 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9009 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9011 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9013 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9014 loop_optimizer_init and loop_optimizer_finalize
9015 * tree-ssa-sink.c (execute_sink_code): Ditto.
9016 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9017 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9018 tree_ssa_loop_done): Ditto.
9019 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9020 * sched-ebb.c: Include output.h.
9021 (schedule_ebbs): Do not use dump argument.
9022 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9023 * loop.c (loop_dump_stream): Removed.
9024 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9026 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9027 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9028 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9029 loop_iterations, strength_reduce, record_biv, record_giv,
9030 final_giv_value, check_final_value, check_ext_dependent_givs,
9031 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9032 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9033 dump_file instead of loop_dump_stream.
9034 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9036 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9038 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9039 * haifa-sched.c: Include output.h
9040 (schedule_insns, sched_init): Do not use dump argument.
9041 * mode-switching.c (optimize_mode_switching): Ditto.
9042 * modulo-sched.c (stats_file): Removed.
9043 (print_node_sched_params): Do not call argument dump_file.
9044 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9045 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9047 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9049 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9050 rtl_loop_init, rtl_loop_done): Ditto.
9051 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9052 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9054 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9055 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9056 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9057 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9058 * emit-rtl.c (renumber_insns): Ditto.
9059 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9060 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9061 * regclass.c (regclass): Ditto.
9062 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9063 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9064 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9065 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9067 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9068 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9070 * gcse.c (gcse_file, debug_stderr): Removed.
9071 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9072 rest_of_handle_gcse): Do not use dump argument.
9073 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9074 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9075 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9076 compute_code_hoist_vbeinout, compute_code_hoist_data,
9077 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9078 compute_store_table, build_store_vectors, insert_insn_start_bb,
9079 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9080 store_motion): Use dump_file instead of gcse_file.
9081 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9082 * profile.c (profile_dump_file): Removed.
9083 (branch_prob): Use dump_file instead of profile_dump_file.
9084 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9086 * tree-ssa-copy.c (dump_copy_of): Ditto.
9087 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9088 dump file to life_analysis.
9089 * bt-load.c (branch_target_load_optimize): Ditto.
9090 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9092 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9093 regclass, dbr_schedule): Declaration changed.
9094 * sched-int.h (sched_init): Declaration changed.
9095 * tree-profile.c (tree_profile_dump_file): Removed.
9096 (tree_profile_hooks): Removed profile_dump_file hook.
9097 * rtl-profile (rtl_profile_dump_file): Removed.
9098 (rtl_profile_hooks): emoved profile_dump_file hook.
9099 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9101 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9102 * tree-cfg.c (build_tree_cfg): Ditto.
9103 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9104 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9105 Declaration changed.
9106 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9107 life_analysis and schedule_insns.
9108 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9110 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9112 * config/mips/mips.c (mips_reorg): Ditto.
9113 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9116 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9118 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9119 (s390_mangle_fundamental_type): New.
9120 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9123 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9124 (alpha_mangle_fundamental_type): New.
9125 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9128 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9130 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9132 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9133 (sparc_mangle_fundamental_type): New.
9135 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9137 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9138 (s390x-*-linux*): Likewise.
9139 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9140 * config/s390/t-linux: New file.
9142 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9144 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9145 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9147 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9149 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9150 (ANTIC_SAFE_LOADS): New macro.
9151 (find_or_generate_expression): Add prototype.
9152 (set_contains_value): Allow null set for sake of not always having
9153 to allocate ANTIC_SAFE_LOADS.
9154 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9155 Allow COMPONENT_REF too.
9156 (valid_in_set): Allow COMPONENT_REF.
9157 Check ANTIC_SAFE_LOADS too.
9158 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9159 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9161 (can_PRE_operation): Add COMPONENT_REF.
9162 (create_component_ref_by_pieces): New function.
9163 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9164 (insert_aux): Move AGGREGATE_TYPE_P check here.
9165 (compute_avail): Set bb local stmt uids.
9166 (pass_pre): Use TODO_update_ssa_only_virtuals.
9168 2006-02-06 Ben Elliston <bje@au.ibm.com>
9170 * configure.ac: Unconditionally disable decimal float by default.
9171 * configure: Regenerate.
9173 2006-02-06 Ben Elliston <bje@au.ibm.com>
9175 * read-rtl.c (read_name): Terminate reading on EOF.
9177 2006-02-06 Ben Elliston <bje@au.ibm.com>
9179 * dfp.c (decimal_real_arithmetic): Change second argument type
9180 from int to enum tree_code. Do not always return true, but now
9181 return result of any call to decimal_do helper functions.
9182 * dfp.h (decimal_real_arithmetic): Update prototype.
9184 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9186 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9188 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9191 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9194 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9196 * tree-vrp.c (cfg_loops): Removed.
9197 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9198 Use current_loops instead of cfg_loops. Pass flags to
9199 loop_optimizer_init.
9200 * cfgloopmanip.c (fix_loop_structure): Update only available
9202 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9203 loop_optimizer_init.
9204 * modulo-sched.c (build_loops_structure): Removed.
9205 (sms_schedule): Use loop_optimizer_init.
9206 * loop-init.c (loop_optimizer_init): Use flags to determine
9207 which properties of loops to prepare.
9208 (rtl_loop_init): Pass flags to loop_optimizer_init.
9209 * tree-ssa-sink.c (execute_sink_code): Ditto.
9210 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9211 * tree-ssa-pre.c (init_pre): Ditto.
9212 * cfgloop.h (LOOPS_NORMAL): New.
9213 (loop_optimizer_init): Declaration changed.
9215 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9217 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9218 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9220 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9222 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9224 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9225 * pa/t-pa64: Delete quadlib.c rule.
9226 * pa/x-ada: Revert last change.
9227 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9229 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9231 PR rtl-optimization/26087
9232 * rtlanal.c (canonicalize_condition): Do not cross basic block
9235 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9238 * config/ia64/ia64.c: Include debug.h.
9239 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9240 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9241 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9242 (process_epilogue, process_set, process_for_unwind_directive):
9243 Output unwind info only if requested. Add CFA info if requested.
9244 Add new arguments as needed. Adjust callers.
9245 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9247 (DWARF2_FRAME_INFO): Define to zero.
9248 * config/ia64/unwind-ia64.c: Remove code that compensated for
9249 the CFA offset error fixed above.
9250 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9251 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9252 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9253 -funwind-tables and -fexceptions to enable frame info.
9254 (dwarf2out_frame_init): Define initial CFA even if
9255 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9256 DWARF2_UNWIND_INFO is nonzero, not just defined.
9257 (dwarf2out_frame_finish): Output non-EH call frame info only
9258 if DWARF2_FRAME_INFO is nonzero.
9259 (convert_cfa_to_loc_list,
9260 compute_frame_pointer_to_cfa_displacement): Define even if
9261 unwind info is not supported.
9262 (gen_subprogram_die): Use the above unconditionally. Remove
9263 legacy alternate code.
9264 * toplev.c (compile_file): Compile in call to
9265 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9266 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9268 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9269 Jakub Jelinek <jakub@redhat.com>
9271 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9272 IBM extended float format long double as "g" on powerpc*-linux.
9274 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9277 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9278 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9280 2006-02-03 Jason Merrill <jason@redhat.com>
9283 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9286 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9287 on the return slot if it's an NRV.
9289 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9291 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9292 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9293 rewrite_use): Do not handle USE_OUTER.
9294 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9295 add_iv_outer_candidates, may_replace_final_value,
9296 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9297 (find_interesting_uses_op): Functionality of
9298 find_interesting_uses_outer_or_nonlin moved here.
9299 (find_interesting_uses_outside): Use find_interesting_uses_op.
9301 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9304 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9306 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9307 Ulrich Weigand <uweigand@de.ibm.com>
9310 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9311 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9312 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9313 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9315 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9316 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9317 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9318 Define secondary reloads for TFmode moves.
9319 (constant_modes): Add TFmode.
9320 (NR_C_MODES): Set to 8.
9321 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9323 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9324 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9325 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9326 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9327 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9328 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9329 (FPR mode macro): Add TFmode.
9330 (DSF mode macro): New.
9331 (<de>, <dee> mode attributes): Removed.
9332 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9333 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9334 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9335 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9336 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9337 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9338 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9339 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9340 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9341 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9342 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9343 "*negabs<mode>2", "sqrt<mode>2"):
9344 Changed <de> to <xde>. R constraint replaced by <Rf>.
9345 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9347 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9348 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9349 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9351 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9352 "extenddftf2", "extendsftf2"): New expanders.
9353 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9354 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9355 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9356 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9358 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9359 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9360 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9361 __floatditf): Add a GCC_4.1.0 symbol version tag.
9362 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9365 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9368 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9369 Use targetm.binds_local_p instead of TREE_PUBLIC.
9371 2006-02-02 Roger Sayle <roger@eyesopen.com>
9373 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9374 on INTEGER_TYPEs to indicate that it denotes a character type.
9375 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9376 signed_char_type_node, unsigned_char_type_node and char_type_node.
9377 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9378 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9379 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9381 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9382 Daniel Berlin <dberlin@dberlin.org>
9384 * tree-tailcall.c (arg_needs_copy_p): New function.
9385 (eliminate_tail_call): Use arg_needs_copy_p.
9386 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9387 (add_virtual_phis): New function.
9389 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9391 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9392 #ignore instead of #scratch for %g7 .register directive.
9394 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9396 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9399 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9401 * flow.c (calculate_global_regs_live): Assert that there aren't any
9404 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9406 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9408 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9409 bsi_after_labels iterator.
9410 * tree-if-conv.c (find_phi_replacement_condition,
9411 replace_phi_with_cond_modify_expr): Likewise.
9412 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9413 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9415 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9417 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9419 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9422 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9423 array after growing it.
9425 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9428 * fold-const.c (fold_checksum_tree): Change type of buf.
9430 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9432 * reload.c (push_secondary_reload): Initialize t_icode.
9434 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9436 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9437 -msoft-float -mlong-double-128 only issue a warning, but don't
9438 swich to DFmode long double.
9440 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9442 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9443 has a constant equivalent, iterate over equivalents for arg0,
9444 calling simplify_relational_operation and if there's a result
9445 cheaper than X, apply fold_rtx and return the result.
9447 2006-02-01 Jan Hubicka <jh@suse.cz>
9449 * opts.c (no_unit_at_a_time_default): New global variable.
9450 (decode_options): Use it.
9451 * opts.h (no_unit_at_a_time_default): Declare.
9453 2006-02-01 Paul Brook <paul@codesourcery.com>
9455 * function.c (assign_parm_setup_reg): Use function argument promotion
9457 * expr.c (expand_expr_real_1): Use function argument promotion rules
9460 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9462 * gcc.c (process_command): Change j to 'unsigned int'.
9464 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9467 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9468 Use the corrected index for the character
9469 out of the string constant.
9471 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9473 * mode-switching.c (optimize_mode_switching): Fix size
9474 allocated for bb_info[n_entities].
9476 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9478 * gcc.c (main): Correct type that is allocated for
9479 explicit_link_files.
9481 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9483 * config/s390/s390.c (init_alignment_context): Set
9484 ALIAS_SET_MEMORY_BARRIER on the MEM.
9485 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9487 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9490 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9492 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9495 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9497 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9498 * regrename.c: Ditto.
9499 * tree-ssa-loop-im.c: Ditto.
9500 * tree-dump.c: Ditto.
9501 * tree-complex.c: Ditto.
9502 * genrecog.c: Ditto.
9503 * tree-ssa-threadupdate.c: Ditto.
9505 * java/class.c: Ditto.
9506 * java/jcf-parse.c: Ditto.
9507 * java/resource.c: Ditto.
9508 * java/except.c: Ditto.
9509 * java/jvspec.c: Ditto.
9510 * java/jcf-write.c: Ditto.
9511 * java/jcf-path.c: Ditto.
9512 * java/gjavah.c: Ditto.
9513 * java/zextract.c: Ditto.
9514 * java/jcf-io.c: Ditto.
9515 * java/jcf.h: Ditto.
9516 * java/buffer.c: Ditto.
9517 * java/lang.c: Ditto.
9518 * java/parse-scan.y: Ditto.
9519 * java/lex.c: Ditto.
9520 * java/lex.h: Ditto.
9521 * cfgloopmanip.c: Ditto.
9522 * postreload-gcse.c: Ditto.
9523 * tree-ssa-loop-manip.c: Ditto.
9524 * postreload.c: Ditto.
9525 * tree-ssa-loop-ch.c: Ditto.
9529 * diagnostic.c: Ditto.
9531 * genoutput.c: Ditto.
9533 * cfghooks.c: Ditto.
9534 * cfgloopanal.c: Ditto.
9535 * objc/objc-act.c: Ditto.
9537 * genextract.c: Ditto.
9538 * genautomata.c: Ditto.
9539 * pretty-print.c: Ditto.
9541 * cgraphunit.c: Ditto.
9544 * haifa-sched.c: Ditto.
9545 * dominance.c: Ditto.
9547 * tree-ssa-loop-ivopts.c: Ditto.
9549 * mode-switching.c: Ditto.
9550 * modulo-sched.c: Ditto.
9552 * ipa-pure-const.c: Ditto.
9554 * fix-header.c: Ditto.
9556 * tree-stdarg.c: Ditto.
9557 * ipa-utils.c: Ditto.
9558 * loop-init.c: Ditto.
9559 * ipa-inline.c: Ditto.
9562 * alloc-pool.c: Ditto.
9563 * dwarf2out.c: Ditto.
9565 * genattrtab.c: Ditto.
9566 * tree-ssa-loop-ivcanon.c: Ditto.
9570 * fortran/gfortranspec.c: Ditto.
9572 * local-alloc.c: Ditto.
9573 * langhooks.c: Ditto.
9574 * function.c: Ditto.
9575 * tree-vectorizer.c: Ditto.
9577 * ipa-type-escape.c: Ditto.
9579 * tree-if-conv.c: Ditto.
9582 * tree-data-ref.c: Ditto.
9583 * loop-unroll.c: Ditto.
9584 * treelang/treetree.c: Ditto.
9587 * ggc-common.c: Ditto.
9589 * coverage.c: Ditto.
9591 * tree-cfgcleanup.c: Ditto.
9592 * tree-ssa-pre.c: Ditto.
9593 * cfgcleanup.c: Ditto.
9594 * loop-invariant.c: Ditto.
9596 * ipa-prop.c: Ditto.
9597 * print-tree.c: Ditto.
9598 * conflict.c: Ditto.
9599 * ggc-page.c: Ditto.
9600 * sched-deps.c: Ditto.
9601 * regclass.c: Ditto.
9602 * tree-object-size.c: Ditto.
9604 * bb-reorder.c: Ditto.
9605 * resource.c: Ditto.
9606 * var-tracking.c: Ditto.
9608 * df-problems.c: Ditto.
9609 * reg-stack.c: Ditto.
9612 * sched-rgn.c: Ditto.
9613 * tree-ssa-structalias.c: Ditto.
9614 * tree-ssa-reassoc.c: Ditto.
9615 * config/darwin-c.c: Ditto.
9616 * config/darwin.c: Ditto.
9617 * config/arm/arm.c: Ditto.
9619 * collect2.c: Ditto.
9622 2006-01-31 Nicolas Pitre <nico@cam.org>
9624 * arm.md (smaxsi3): Make aware of smax_m1.
9627 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9629 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9631 2006-01-31 Richard Guenther <rguenther@suse.de>
9633 * doc/invoke.texi (-msselibm): Document.
9634 * target.h (expand_library_builtin): New target hook.
9635 * builtins.c (expand_builtin): Use expand_library_builtin.
9636 (default_expand_library_builtin): New function.
9637 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9638 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9639 (link_gcc_math_spec): Declare.
9640 (static_specs): Add link_gcc_math_spec.
9641 * expr.h (default_expand_library_builtin): Declare.
9642 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9643 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9644 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9645 * config/i386/i386.opt (msselibm): New target option.
9646 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9647 (ix86_init_sse_abi_builtins): New function.
9648 (ix86_expand_library_builtin): Likewise.
9649 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9650 (override_options): Handle error conditions wrt -msselibm.
9651 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9652 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9653 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9656 2006-01-31 Richard Guenther <rguenther@suse.de>
9657 Paolo Bonzini <bonzini@gnu.org>
9659 * doc/install.texi (--disable-libgcc-math): Document.
9661 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9663 * expr.h (expand_normal): new inline function.
9664 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9666 * dwarf2out.c: use it.
9671 * config/sparc/sparc.c: use it.
9672 * config/i386/i386.c: use it.
9673 * config/rs6000/rs6000.c: use it.
9674 * config/arm/arm.c: use it.
9675 * config/mips/mips.c: use it.
9676 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9678 2006-01-30 Roger Sayle <roger@eyesopen.com>
9680 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9681 argv to the appropriate type.
9683 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9685 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9688 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9691 * config/s390/s390.c (struct machine_function): New flag
9692 decomposed_literal_pool_addresses_ok_p.
9693 (s390_reorg): Set it before final stage of literal pool transforms.
9694 (s390_decompose_address): Only accept displacements of the form
9695 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9697 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9699 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9700 the comparison routine return.
9702 2006-01-30 Michael Matz <matz@suse.de>
9704 * global.c (find_reg): Only evict for global regs.
9705 Take n_refs into account and dump more info.
9707 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9710 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9711 (pragma_trap, pragma_nosave_low_regs): Likewise.
9712 (current_function_anonymous_args): Likewise.
9713 (sh_deferred_function_attributes): New variable.
9714 (sh_deferred_function_attributes_tail): Likewise.
9715 (print_operand): For '@', look up trap_exit attribute.
9716 (calc_live_regs): Look up trapa_handler attribute. For trapa
9717 handlers, save/restore fpscr, but don't do any other
9718 interrupt-specific saves.
9719 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9720 Fix check for partially saved registers to check for SHmedia.
9721 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9722 (sh_output_function_epilogue): Don't clear any of the removed
9724 (sh_insert_attributes): Don't check pragma_interrupt.
9725 Insert deferred attributes. Check that interrupt attribute is
9726 present for other attributes that require its presence.
9727 (sh_attribute_table): Add new attributes trapa_handler and
9729 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9730 Don't check for pragma_interrupt. Don't store argument.
9731 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9732 (sh_deferred_function_attributes): Declare.
9733 (sh_deferred_function_attributes_tail): Likewise.
9734 * sh.md (sp_switch_1): Add operand. Change generator caller.
9735 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9736 (*return_i): Don't use when trap_exit attribute is in effect.
9737 (*return_trapa): New insn pattern.
9739 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9740 setting c_target_objs and cxx_target_objs.
9741 * t-sh: Add rule for sh-c.o.
9743 2006-01-30 Richard Guenther <rguenther@suse.de>
9746 * gimplify.c (gimplify_target_expr): Handle easy cases
9747 without creating a temporary.
9749 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9751 * vec.h (safe_grow): Remove duplicated line.
9753 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9756 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9757 (expand_omp): ... here.
9758 (expand_omp_parallel): Only remove barriers for combined
9759 parallel+workshare constructs.
9761 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9765 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9766 * tree.c (build_qualified_type): Chain the new type to the original
9767 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9768 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9769 (build_pointer_type_for_mode): Only return unqualified types.
9770 (build_reference_type_for_mode): Likewise.
9772 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9774 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9775 * Makefile.in (CXX_COMPAT_WARN): Define.
9776 * configure: Regenerate.
9778 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9781 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9784 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9786 * toplev.c: Fix thinko.
9788 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9789 Marcin Dalecki <martin@dalecki.de>
9791 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9792 (push_srcloc): Use XNEW.
9793 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9795 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9797 * df-core.c (df_set_blocks): Deleted all variable.
9799 2006-01-28 Ian Lance Taylor <ian@airs.com>
9801 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9802 cgraph_output_pending_asms.
9804 2006-01-28 Zack Weinberg <zackw@panix.com>
9806 * c.opt: Add -W(no-)overlength-strings.
9807 * doc/invoke.texi: Document it.
9808 * c-opts.c (c_common_handle_option): -pedantic implies
9809 -Woverlength-strings, if not explicitly disabled already.
9810 (c_common_post_options): -Woverlength-strings defaults to off, and
9811 is always off for C++.
9812 * c-common.c (fix_string_type): Issue warning about strings longer
9813 than is portable only if warn_overlength_strings. Rearrange code
9814 a little for clarity.
9815 * configure.in: Check for -Wno-overlength-strings as well before
9816 enabling -pedantic in stage 1.
9817 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9818 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9820 * genconditions.c (write_header, write_one_condition)
9821 (write_conditions, write_writer): Consolidate very long strings
9822 that were broken up to fit in C89 portable limit. Don't use
9823 printf when fputs will do.
9825 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9827 * combine.c (simplify_comparison <AND>): Check
9828 TRULY_NOOP_TRUNCATION before start using a subreg.
9830 * config/mips/mips.md (*branch_zero<mode>,
9831 *branch_zero<mode>_inverted, *branch_equality<mode>,
9832 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9833 Remove mode check from comparisons.
9835 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9837 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9839 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9841 * expmed.c (const_mult_add_overflow_p): Remove.
9842 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9844 * recog.c (validate_replace_rtx_subexp): Remove.
9845 * recog.h: Remove the prototype for
9846 validate_replace_rtx_subexp.
9848 * integrate.h: Remove the prototype for
9849 copy_decl_for_inlining.
9850 * rtl.h: Remove the prototype for mark_constant_function.
9851 * tree-vectorizer.h: Remove the prototype for
9852 vect_strip_conversion.
9854 * modulo-sched.c (create_partial_schedule,
9855 free_partial_schedule, reset_partial_schedule): Make them
9858 * hooks.c (hook_bool_rtx_int_false): Remove.
9859 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9861 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9863 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9864 and -mlong-double-128 are incompatible.
9865 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9866 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9867 (TARGET_LIBGCC2_CFLAGS): Define.
9868 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9869 (TARGET_LIBGCC2_CFLAGS): Same.
9870 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9872 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9875 * c-typeck.c (build_binary_op): Perform implicit casts of
9876 operands before shortening them.
9878 * cfgloopmanip.c (split_loop_bb): Remove.
9879 * cfgloop.h: Remove the prototype for split_loop_bb.
9881 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9882 * cfgloop.h: Remove the prototype for
9883 flow_loop_outside_edge_p.
9885 * emit-rtl.c (init_virtual_regs): Make it static.
9886 * function.h: Remove the prototype for init_virtual_regs.
9888 * recog.c (peephole2_optimize): Make it static.
9889 * recog.h: Remove the prototype for peephole2_optimize.
9891 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9893 * df-scan.c (df_record_entry_block_defs): Check if
9894 INCOMING_RETURN_ADDR_RTX is defined.
9896 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9897 Kenneth Zadeck <zadeck@naturalbridge.com>
9899 PR rtl-optimization/24762
9900 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9901 * targhooks.c (hook_void_bitmap): New hook prototype.
9902 * targhoohs.h (hook_void_bitmap): Ditto.
9903 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9904 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9905 * target.h (live_on_entry): New function pointer.
9906 * df-scan.c (df_all_hard_regs): Removed.
9907 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9908 (df_scan_free_internal): Added df->entry_block_defs.
9909 (df_scan_alloc): Ditto.
9910 (df_scan_dump): Ditto.
9911 (df_uses_record): Plumbed flag field properly thru calls.
9912 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9913 This part fixes PR24762.
9914 (df_bb_refs_record): Added code to make the frame and arg
9915 pointers live in EH blocks.
9916 (df_refs_record): Added call to df_record_entry_block_defs.
9917 (df_record_entry_block_defs): New function.
9918 * df-core.c: Added comments to describe new artifical defs.
9919 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9920 (entry_block_defs): New field in struct df.
9921 (df_all_hard_regs): Deleted.
9922 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9923 * df-problems.c (df_ru_bb_local_compute_process_def):
9924 Added code to handle artifical defs in the entry to a function.
9925 (df_ru_bb_local_compute): Ditto.
9926 (df_rd_bb_local_compute_process_def): Ditto.
9927 (df_rd_bb_local_compute): Ditto.
9928 (df_lr_bb_local_compute): Ditto.
9929 (df_ur_bb_local_compute): Ditto.
9930 (df_urec_bb_local_compute): Ditto.
9931 (df_chain_create_bb): Ditto.
9932 (df_ur_local_finalize): Removed entry.
9933 (df_urec_init): Ditto.
9934 (df_urec_local_finalize): Ditto.
9935 (df_ri_bb_compute): Added detection of last use of pseudos.
9936 * Makefile.in (df-scan.o): Updated dependencies.
9937 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9938 * config/mips/mips.c (mips_set_live_on_entry): Added.
9939 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9941 * dce.c (marked_insn_p): Added code to handle artifical defs.
9943 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9945 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9947 (_mm_cvtsi128_si64): Likewise.
9948 (_mm_cvtsd_si64): Likewise.
9949 (_mm_cvttsd_si64): Likewise.
9950 (_mm_cvtsi64_sd): Likewise.
9951 (_mm_cvtsi64_si128): Likewise.
9952 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9953 (_mm_cvtsi64_m64): Likewise.
9954 (_m_to_int64): Likewise.
9955 (_mm_cvtm64_si64): Likewise.
9956 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9957 (_mm_cvttss_si64): Likewise.
9958 (_mm_cvtsi64_ss): Likewise.
9959 (_mm_cvtss_f32): Likewise.
9961 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9963 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9964 for pragma redefine_extname.
9966 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9969 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9970 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9971 -mno-minimal-toc to previous content.
9972 (bispecs): Remove goal.
9973 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9974 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9975 compatibility aliases on powerpc-*-*gnu*.
9976 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9977 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9978 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9979 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9980 (ldblspecs): New goal.
9981 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9982 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9984 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9985 L_sf_to_tf or L_df_to_tf is defined.
9987 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9988 Alan Modra <amodra@bigpond.net.au>
9991 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9992 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9993 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9994 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9995 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9996 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9997 (rs6000_override_options): Initialize rs6000_ieeequad.
9998 Initialize TFmode format to ibm_extended_format if not
10000 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10002 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10003 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10004 (function_arg_advance): IBM long double passed in two FPRs, not
10006 (function_arg): IBM long double passed in FPRs.
10007 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10008 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10009 Only multireg GPR aligned.
10010 (rs6000_init_libfuncs): Enable IBM long double functions if not
10012 (rs6000_generate_compare): Use IBM long double compare if not
10014 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10015 (TARGET_IEEEQUAD): Define.
10016 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10017 not TARGET_IEEEQUAD.
10018 * config/rs6000/rs6000.md: Enable TFmode patterns if
10020 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10021 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10022 and -mlong-double-128 are incompatible.
10023 * doc/invoke.texi (-mabi): Collect options together. Add
10024 ibmlongdouble and ieeelongdouble.
10026 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10028 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10030 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10031 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10032 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10033 * rtl.h (rtunion_def): Remove rt_ptr.
10035 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10036 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10037 * config/i386/winnt.c (i386_pe_mark_dllexport)
10038 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10040 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10042 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10044 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10048 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10049 pthread_key_delete. From John David Anglin. gthrw-ify
10050 pthread_getunique_np only if it it's not a macro. Delete
10052 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10053 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10054 __gthread_objc_condition_signal, __gthread_key_delete): Add
10055 "__attribute__ ((__unused__))" to unused arguments.
10056 (__gthread_recursive_mutex_init_function): Add missing return.
10057 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10058 gthr-posix95.h: Use macro-based approach for name redirection
10059 on targets missing weakref.
10061 2006-01-26 Zack Weinberg <zackw@panix.com>
10063 * genconditions.c (write_header): In generated code, #ifdef out
10064 all includes and fake declarations, except includes of bconfig.h
10065 and system.h, unless GCC_VERSION >= 3001. Do not include
10066 gensupport.h in any case.
10067 (write_conditions): Generate a definition of struct c_test. Add
10068 a comment to the generated #endif.
10069 (write_one_condition): Escape backslashes in string too.
10070 (write_writer): Generated code must escape backslashes and quote
10071 marks (but not newlines) in the strings it writes.
10072 * Makefile.in (build/gencondmd.o): Update dependencies.
10074 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10077 * Makefile.in (insn-automata.o): Add header file dependencies.
10078 * genautomata.c: Add includes.
10080 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10083 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10085 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10087 * configure.ac: Expect target tools paths to be passed from the toplevel
10088 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10090 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10092 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10095 * c.opt (Wpointer-sign): Init to -1.
10096 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10097 OPT_pedantic, to 0 otherwise.
10098 * doc/invoke.texi: Update.
10100 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10102 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10103 constants provided by 80387 instructions in the destination mode.
10105 2006-01-26 Richard Guenther <rguenther@suse.de>
10106 Andrew Pinski <pinskia@physics.uc.edu>
10109 partial PR tree-opt/17064
10110 * tree-ssa-structalias.c (intra_create_variable_infos):
10111 Create heap variables for incoming parameters if
10112 flag_argument_noalias > 1.
10113 (find_what_p_points_to): Look through default defs of
10116 2006-01-26 Jeff Law <law@redhat.com>
10119 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10120 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10121 within the VR_RANGE, use the VR_RANGE as the result, not the
10123 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10124 bounds for the type.
10126 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10128 * tree-ssa-alias.c (maybe_create_global_var): Change
10129 subvar walking to an assertion that we don't have subvar'd variables.
10131 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10134 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10135 Use a new variable, inner. PARM_DECLs are always non-weak.
10137 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10139 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10140 --disable-checking.
10142 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10144 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10146 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10148 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10149 (smax_insn, smin_insn, smax_0, smin_0): New.
10151 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10154 * config/cris/cris.c (cris_order_for_addsi3): New function.
10155 * config/cris/cris-protos.h: Prototype it.
10156 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10157 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10158 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10159 (split for "op.S1 [rx=rx+i],ry (swapped)")
10160 (split for "op(s|u).S1 [rx=rx+i],ry")
10161 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10162 Apply cris_order_for_addsi3 when generating addsi3 insns.
10164 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10166 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10167 (TREE_BLOCK): Add call to EXPR_CHECK.
10169 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10172 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10173 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10174 (dump_omp_clauses): ... here.
10175 (dump_generic_node): Handle OMP_CLAUSE.
10176 * tree.c (omp_clause_num_ops): New.
10177 (omp_clause_code_name): New.
10178 (tree_code_size): Handle OMP_CLAUSE.
10179 (tree_size): Likewise.
10180 (make_node): Document handling of OMP_CLAUSE.
10181 (tree_node_structure): Handle OMP_CLAUSE.
10182 (omp_clause_check_failed): New.
10183 (omp_clause_range_check_failed): New.
10184 (omp_clause_operand_check_failed): New.
10185 (build_omp_clause): New.
10186 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10187 * tree.h (enum omp_clause_code): Declare.
10188 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10189 (OMP_CLAUSE_RANGE_CHECK): Define.
10190 (OMP_CLAUSE_ELT_CHECK): Define.
10191 (omp_clause_check_failed): Declare.
10192 (omp_clause_operand_check_failed): Declare.
10193 (omp_clause_range_check_failed): Declare.
10194 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10195 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10196 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10197 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10198 (OMP_CLAUSE_IF_EXPR): Likewise.
10199 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10200 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10201 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10202 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10203 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10204 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10205 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10206 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10207 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10208 (OMP_CLAUSE_CODE): Define.
10209 (OMP_CLAUSE_SET_CODE): Define.
10210 (OMP_CLAUSE_CODE): Define.
10211 (OMP_CLAUSE_OPERAND): Define.
10212 (struct tree_omp_clause): Declare.
10213 (union tree_node): Add field 'omp_clause'.
10214 * treestruct.def (TS_OMP_CLAUSE): Define.
10215 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10216 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10217 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10218 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10219 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10220 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10221 (OMP_CLAUSE): Define.
10222 * print-tree.c (print_node): Handle OMP_CLAUSE.
10223 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10224 * c-typeck.c: Likewise.
10225 * gimplify.c: Likewise.
10226 * c-omp.c: Likewise.
10227 * tree-nested.c: Likewise.
10228 * tree-inline.c: Likewise.
10229 * c-parser.c: Likewise.
10230 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10233 2006-01-25 Roger Sayle <roger@eyesopen.com>
10235 PR rtl-optimization/25703
10236 * combine.c (try_combine): Handle zero_extract and strict_low_part
10237 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10239 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10241 * global.c: Fix comment typos.
10243 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10246 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10247 Use output_addr_const instead of assemble_name.
10249 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10251 * Makefile.in (sched-vis.o): Update dependencies.
10252 * haifa-sched.c (sched_finish): Clear current_sched_info.
10253 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10254 (dump_flow_info): Call it.
10255 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10257 * basic-block.h (dump_bb_info): Declare.
10258 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10259 option, and apply options only for dump files whose TDF_RTL,
10260 TDF_TREE, or TDF_IPA bits match.
10261 * rtl.h: Declare new functions exported from sched-vis.c.
10262 * sched-vis.c: Enable also if scheduling is not used.
10263 (print_value): Print the mode of registers if not inside scheduling.
10264 (print_insn): Make it work outside the scheduler. Beautify the output
10266 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10268 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10270 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10271 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10272 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10273 depending on the value of CONSTANT_POOL_ADDRESS_P.
10274 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10276 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10277 rather than SYMBOL_REF_DECL.
10278 (rtx_constant_pool): Remove const_rtx_sym_htab.
10279 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10280 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10281 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10282 Remove handling of const_rtx_sym_htab.
10283 (find_pool_constant): Delete.
10284 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10285 rather than find_pool_constant.
10286 (get_pool_constant_for_function): Delete.
10287 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10288 find_pool_constant.
10289 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10290 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10291 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10292 (SYMBOL_REF_CONSTANT): New macro.
10293 (get_pool_constant_for_function): Delete.
10294 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10295 rather than SYMBOL_REF_DECL.
10296 (i386_pe_mark_dllimport): Likewise.
10297 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10298 rather than SYMBOL_REF_DECL.
10299 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10300 (machopic_indirect_call_target): Likewise.
10302 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10304 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10306 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10308 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10310 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10312 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10314 2006-01-24 David Daney <ddaney@avtrex.com>
10317 * configure.ac (enable_tls): New enable option.
10318 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10319 * configure: Regenerate.
10320 * doc/install.texi (--enable-tls): Document new option.
10321 (--disable-tls): Ditto.
10323 2006-01-24 Richard Henderson <rth@redehat.com>
10325 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10326 * alias.c (true_dependence): Respect it.
10327 (canon_true_dependence, write_dependence_p): Likewise.
10328 * builtins.c (get_builtin_sync_mem): Set it.
10330 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10332 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10335 2006-01-24 DJ Delorie <dj@redhat.com>
10337 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10338 for storing constants in single-bit bitfields.
10340 2006-01-25 Ben Elliston <bje@au.ibm.com>
10342 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10344 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10347 * tree-ssa-pre.c (phi_translate): Return NULL
10348 for AGGREGATE_TYPE's.
10350 2006-01-24 Zack Weinberg <zackw@panix.com>
10352 * genautomata.c (process_state_for_insn_equiv_partition):
10353 Use xcalloc for insn_arcs_array.
10354 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10355 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10357 2006-01-24 Richard Henderson <rth@redhat.com>
10359 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10360 update all callers.
10362 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10364 PR rtl-optimization/25890
10365 PR rtl-optimization/25905
10366 * combine.c (expand_compound_operation, expand_field_assignment):
10367 Fail if the bitfield's final position is out of bounds.
10369 2006-01-24 Ian Lance Taylor <ian@airs.com>
10371 PR middle-end/25930
10372 * cgraphunit.c (cgraph_output_in_order): Don't clear
10373 cgraph_asm_nodes until after asm strings have been output.
10375 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10377 * fix-header.c (read_scan_file): Add new parameter imultilib when
10378 calling register_include_chains.
10380 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10382 * omp-low.c: Update documentation.
10384 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10385 Daniel Berlin <dberlin@dberlin.org>
10389 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10390 return from the function.
10392 2006-01-22 Zack Weinberg <zackw@panix.com>
10394 * rtl.def (match_code): Add second argument.
10395 * genpreds.c (write_extract_subexp): New function.
10396 (write_match_code): Add path argument. Use write_extract_subexp.
10397 (write_predicate_expr): Pass path to write_match_code.
10398 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10399 not perform a mode test.
10400 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10401 a subexpression does not constrain the top-level code set.
10402 * read-rtl.c (read_rtx_variadic): New function.
10403 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10404 * doc/md.texi: Document new notation.
10405 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10406 (cmpsi_operand): ... here, using new notation.
10408 2006-01-22 Zack Weinberg <zackw@panix.com>
10410 * varray.c: Remove GENERATOR_FILE #ifdefs.
10412 2006-01-22 Zack Weinberg <zackw@panix.com>
10414 * genautomata.c (output_reserved_units_table): Emit nothing if
10415 description->query_units_num is zero. Remove extra blank line.
10416 (output_cpu_unit_reservation_p): Short circuit
10417 if description->query_units_num is zero.
10419 2006-01-22 Zack Weinberg <zackw@panix.com>
10421 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10422 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10423 nor any of the random handful of variables that used to be necessary
10424 when this program was linked with rtlanal.o. Prune set of forward
10425 function declarations.
10426 (struct attr_desc): Remove static_p field.
10427 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10428 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10429 (attr_string): Do not read the character one past the length of
10431 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10432 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10433 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10434 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10435 (make_automaton_attrs): New.
10436 (main): Do not call into genautomata. Call local gen_bypass
10437 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10438 Remove special case for insn_alts.
10439 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10440 varray.h (leftover from previous change). Prune set of forward
10441 function declarations. Remove state_alts fields from all
10442 structures. Remove state_alts_table from struct automaton.
10443 Make everything except main static. Do not maintain num_dfa_decls.
10444 Do not maintain state_alts fields of various structures.
10445 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10446 (add_arc): Remove state_alts argument. All callers updated.
10447 (output_reserved_units_table): Emit #ifdef here...
10448 (output_tables): ...not here. Don't generate state_alts tables.
10449 (expand_automata): Don't generate attributes.
10450 (write_automata): Don't generate state_alts functions.
10451 (main): New function.
10452 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10453 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10454 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10455 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10456 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10457 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10458 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10459 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10461 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10462 * genattrtab.h: Delete file.
10463 * Makefile.in (OBJS-common): Add insn-automata.o.
10464 (insn-automata.o): New rule.
10465 (simple_generated_c): Add insn-automata.c.
10466 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10467 (genprogmd): Add automata.
10468 (build/genattrtab): Needs no extra objects nor libraries.
10469 (build/genautomata): Needs build/vec.o and -lm.
10471 2006-01-22 Zack Weinberg <zackw@panix.com>
10473 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10474 (output_dfa_max_issue_rate, locked_states_num): Delete.
10475 (struct automaton): Add locked_states field.
10476 (output_dead_lock_vect): Save number of locked states in
10477 automaton->locked_states. If it is zero, don't print anything.
10478 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10479 (output_internal_dead_lock_func): Only test the dead_lock_vect
10480 for automata that have locked states.
10481 (output_statistics): Always print the number of locked states for
10482 each automaton. Calculate total number of locked states here.
10483 (write_automata): Don't call output_dfa_max_issue_rate.
10484 * genattrtab.c: Define length_unit_log as a const variable.
10485 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10486 max_insn_queue_index const.
10487 * final.c (length_unit_log): Declare const.
10488 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10490 2006-01-22 Zack Weinberg <zackw@panix.com>
10492 * genautomata.c: Include vec.h, not varray.h.
10493 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10494 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10495 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10496 VEC_* macros operating on appropriately typed vectors, or to
10497 malloced arrays when the size is known in advance. Const-ify
10498 many char* variables and function arguments. No functional changes.
10499 * Makefile.in (build/varray.o): Delete rule.
10500 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10501 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10503 2006-01-22 Zack Weinberg <zackw@panix.com>
10505 * gensupport.c: Define get_insn_name and record_insn_name here.
10506 (read_md_rtx): Call record_insn_name as appropriate.
10507 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10508 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10509 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10511 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10512 (BUILD_VARRAY): Delete.
10513 (genprognormal): Rename genprogmd. Fold in all programs from
10514 genprognoprint; also attrtab.
10515 (build/genattrtab): Just mention genautomata.o and varray.o.
10516 Reorganize a bit, add comments to make the categories clearer.
10518 2006-01-22 Zack Weinberg <zackw@panix.com>
10520 * genconditions.c (condition_table, add_condition): Delete.
10521 (write_conditions): Don't emit n_insn_conditions nor
10522 insn_elision_unavailable. Issue the gcc version #ifdef here,
10523 inside the table, with no #else clause ...
10524 (write_header): ...not here.
10525 (write_writer): New function.
10526 (main): Don't initialize condition_table. Use add_c_test.
10528 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10529 files on the command line.
10530 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10531 Return -1 if there is no entry in the table, don't abort.
10532 (add_c_test, traverse_c_tests): New functions.
10533 * gensupport.h (insn_elision_unavailable, insn_conditions)
10534 (n_insn_conditions): Delete declarations.
10535 (add_c_test, traverse_c_tests): Declare.
10536 * read-rtl.c: Include gensupport.h.
10537 (read_conditions): New function.
10538 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10539 (read_rtx_1): If we get EOF when we were looking for an initial
10540 open paren, return 0. Call read_conditions when appropriate.
10541 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10542 dummy-conditions.o. Eliminate references to insn-conditions.o,
10543 or change them to build/gencondmd.o, as appropriate. Remove
10544 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10545 from $(simple_generated_c). For all files remaining in those
10546 two lists, add insn-conditions.md to the generator command line.
10547 Give insn-constants.h/s-constants their own rules. Add rules
10548 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10549 (build/read-rtl.o): Depend on gensupport.h.
10550 (genprognormal): Include preds.
10551 (genprogearly): Rename genprognoprint; only difference is now that
10552 they don't link with $(BUILD_PRINT).
10553 * dummy-conditions.c: Delete.
10555 2006-01-22 Zack Weinberg <zackw@panix.com>
10557 * genextract.c: Don't include insn-config.h. Do include vec.h.
10558 Declare vectors of int, char, and locstr.
10559 (locstr): New typedef.
10560 (struct extraction): Make all array fields into bare pointers.
10561 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10562 (insn_code_number): Delete.
10563 (accum_extract): New struct.
10564 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10565 (gen_insn): Take insn_code_number as an argument. Use an
10566 accum_extract structure instead of loading data directly into
10567 a struct extraction, and having to know how big it might get.
10568 (walk_rtx): Operate entirely on an accum_extract structure.
10569 (print_path): Avoid unnecessary use of printf.
10570 (print_header): New function, split out of main. Distinguish
10571 more carefully between an unrecognizable insn and an insn that
10572 has the code number of a define_expand.
10573 (main): Pass insn_code_number to gen_insn. Call print_header
10574 only after parsing. Avoid unnecessary use of printf.
10575 * Makefile.in (build/vec.o): New rule.
10576 (build/genextract): Depend on build/vec.o.
10577 (build/genextract.o): Don't depend on insn-config.h.
10579 2006-01-22 Zack Weinberg <zackw@panix.com>
10581 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10582 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10583 practical. Eliminate per-generator-program link rules.
10585 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10587 PR middle-end/24437
10588 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10589 with a call expr to ...
10590 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10592 2006-01-23 Richard Guenther <rguenther@suse.de>
10594 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10595 before make_edge with conditional EDGE_TRUE_VALUE.
10597 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10598 Jan Hubicka <jh@suse.cz>
10599 Richard Guenther <rguenther@suse.de>
10601 PR rtl-optimization/25654
10602 * cfgexpand.c (aggregate_contains_union_type): New function.
10603 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10604 for structure variables that contain a union type.
10606 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10608 * gengtype.c (new_structure): Return the structure.
10609 (create_option): Add an extra "next" argument.
10610 (create_field): New function.
10611 (adjust_field_rtx_def): Use create_option and create_field.
10612 Remove a now-unnecessary call to find_structure.
10613 (adjust_field_tree_def): Likewise.
10614 (note_yacc_type): Remove an unnecessary call to find_structure.
10615 * gengtype.h (new_structure): Return the structure.
10616 (create_option): Add an extra argument.
10617 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10618 (option): Adjust calls to create_option.
10620 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10622 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10624 2006-01-22 Paul Brook <paul@codesourcery.com>
10625 Peter Barada <peter@the-baradas.com>
10627 * config/m68k/m68k.md: Add Coldfire FPU support.
10628 Define FP mode macro and associated attributes.
10629 Use it for float mode patterns.
10630 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10631 (LIBCALL_VALUE): Use m68k_libcall_value.
10632 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10633 (m68k_function_value): Ditto.
10634 (emit_move_sequence): Ditto.
10635 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10636 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10637 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10638 (MULTILIB_EXCEPTIONS): Ditto.
10639 * config/m68k/m68k.opt: Add mcfv4e.
10640 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10641 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10642 (m68k_output_function_prologue): Save ColdFire FPU registers.
10643 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10644 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10645 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10646 ColdFire FPU registers.
10647 (m68k_libcall_value, m68k_function_value): New functions.
10648 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10649 (LIBCALL_VALUE): Use m68k_libcall_value.
10650 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10651 (MASK_COLDFIRE): Add MASK_CFV4E.
10652 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10653 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10654 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10655 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10656 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10657 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10658 * doc/invoke.tex: Document -mcfv4e on m68k.
10660 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10662 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10665 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10668 * c-opts.c (c_common_handle_option): Don't include
10669 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10670 * doc/invoke.texi (C++ Dialect Options): Document that
10671 -Wnon-virtual-dtor is no longer included in -Wall.
10673 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10675 * gcov.c (print_version), gcov-dump.c (print_version),
10676 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10679 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10681 * df-scan.c (problem_SCAN): Added NULL reset function.
10682 (df_scan_reset_blocks): Added code to call reset block function
10683 (df_bb_refs_delete) Fixed comment.
10684 (df_insn_refs_delete): Made tolerant of deleting non existent info
10685 for dataflow problems that need to be reset.
10686 * df-core.c (df_set_blocks): Ditto.
10687 * df.h (struct df_problem): Added reset_fun.
10688 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10689 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10690 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10691 functions to clear out all references to def-use or use-def chains.
10693 2006-01-21 Ben Elliston <bje@au.ibm.com>
10695 * varasm.c (assemble_real): Initialise data array.
10697 2006-01-20 Paul Brook <paul@codesourcery.com>
10699 Merge from csl-arm-branch.
10700 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10701 * config/arm/arm.md (movdi): Force operands[1] to a register
10702 if we have a non-register source.
10703 (*arm_movdi, *movdf_soft_insn): Require that one of the
10704 operands be a register.
10705 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10706 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10708 2006-01-20 DJ Delorie <dj@redhat.com>
10710 * varasm.c (initializer_constant_valid_p): Allow pointers
10711 initialized from integer constants of lesser precision.
10712 (output_constant): Allow non-int-sized pointer modes to be
10713 initialized from integer constants.
10715 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10718 * cppdefault.h (struct default_include): Add multilib flag.
10719 * cppdefault.c (cpp_include_defaults): Set it.
10720 * c.opt (-imultilib): New option.
10721 * c-opts.c (imultilib): New.
10722 (c_common_handle_option): Handle -imultilib.
10723 (c_common_post_options): Likewise.
10724 * c-incpath.c (add_standard_paths, register_include_chains):
10726 * c-incpath.h (register_include_chains): Add extra parameter.
10727 * gcc.c (do_spec_1): Generate -imultilib option.
10728 (The Specs Language): Update %I description.
10729 (process_command): Update copyright notice.
10730 * doc/cppopts.texi (-imultilib): Document.
10731 * doc/invoke.texi (-imultilib): Include in option summary.
10732 (%I): Update specs documentation.
10734 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10736 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10738 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10740 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10743 2006-01-20 Richard Guenther <rguenther@suse.de>
10744 Steven Bosscher <stevenb.gcc@gmail.com>
10746 PR rtl-optimization/24626
10747 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10748 EDGE_TRUE_VALUE if in RTL mode.
10751 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10752 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10754 2006-01-20 Dirk Mueller <dmueller@suse.com>
10757 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10758 instead of a special NOP marker.
10759 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10760 NOP marker handling.
10761 * c-common.h (empty_body_warning): Add forward declaration.
10762 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10763 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10765 2006-01-20 Paul Brook <paul@codesourcery.com>
10767 * Makefile.in (lang_checks): Keep going if mkdir fails.
10769 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10771 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10772 be able to clean out basic block when not necessary.
10773 (df_scan_free): Fixed to properly delete information if df is
10774 unused before calling df_finish.
10775 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10776 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10778 (df_bb_refs_delete): New function.
10779 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10780 * df-core.c (df_set_blocks): Added code to properly clean out
10781 unused blocks if they are not part of the blocks to consider.
10782 Added additional null check.
10783 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10784 be able to clean out basic block when not necessary
10785 * df.h (df_free_bb_function): Ditto.
10786 (df_bb_refs_delete): New function.
10787 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10788 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10789 basic block parameter to be able to clean out basic block when not
10791 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10792 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10793 Fixed to properly delete information if df is unused before
10796 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10798 PR rtl-optimization/25799
10799 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10800 Corrected confluence operator to remove bits from op2 before oring
10801 with op1 rather than removing bits from op1.
10802 (df_ru_transfer_function): Corrected test on wrong bitmap which
10803 caused infinite loop. Both of these problems were introduced in
10804 the dataflow rewrite.
10806 2006-01-19 DJ Delorie <dj@redhat.com>
10808 * reload1.c (find_reload_regs): Note the details of reload
10809 failures in the dump file.
10810 (spill_failure): Likewise.
10812 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10814 * loop-iv.c: Include df.h and hashtab.h.
10815 (enum iv_grd_result): New enum.
10816 (DF_REF_IV, DF_REF_IV_SET): New macros.
10817 (struct biv_entry): New.
10818 (df, bivs): New global variables.
10819 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10820 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10822 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10823 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10824 analyzed_for_bivness_p, record_biv): New functions.
10825 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10826 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10827 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10829 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10831 (iv_number_of_iterations): Use new interface to iv analysis.
10832 * loop-unroll.c: Do not include varray.h.
10833 (analyze_iv_to_split_insn): Use new interface to iv
10835 * loop-unswitch.c (may_unswitch_on): Ditto.
10836 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10838 (df_bb_modify): Realloc tables to the new index.
10839 (df_find_use): New function.
10840 * df.h (df_find_use): Declare.
10841 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10843 * cfgloop.h (struct rtx_iv): Remove analysed field.
10844 (iv_get_reaching_def): Removed.
10845 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10846 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10847 (loop-iv.o): Add df.h and hashtab.h dependency.
10848 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10850 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10853 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10855 (__floatundisf, __floatundidf): Likewise.
10856 * libgcc2.h (IS_IBM_EXTENDED): Define.
10858 2006-01-19 DJ Delorie <dj@redhat.com>
10860 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10862 2006-01-19 Paul Brook <paul@codesourcery.com>
10864 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10865 as nothrow when unwinding tables are disabled.
10867 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10870 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10871 of bit-field" when in system header.
10873 2006-01-19 DJ Delorie <dj@redhat.com>
10875 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10876 the 16 bit shift limit of the m16c.
10878 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10881 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10882 * config/i386/i386.c (output_set_got): Output the label if we have one
10883 for the TARGET_DEEP_BRANCH_PREDICTION case.
10885 2006-01-19 Jan Hubicka <jh@suse.cz>
10886 H.J. Lu <hongjiu.lu@intel.com>
10887 Evandro Menezes <evandro.menezes@amd.com>
10889 * invoke.texi (generic): Document
10891 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10892 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10893 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10894 (x86_use_incdec, x86_pad_returns): New variables
10895 (TARGET_CPU_DEFAULT_generic): New constant
10896 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10897 (enum processor_type): Add generic32 and generic64.
10898 * i386.md (cpu attribute): Add generic32/generic64
10899 (movhi splitter): Behave sanely when both partial_reg_dependency and
10900 partial_reg_stall are set.
10901 (K8 splitters): Enable for generic as well.
10902 * predicates.md (incdec_operand): Use TARGET_INCDEC
10903 (aligned_operand): Avoid memory mismatch stalls.
10904 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10905 * ppro.md: Enable for generic32
10906 * i386.c (generic64_cost, generic32_cost): New.
10907 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10908 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10909 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10910 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10911 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10912 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10913 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10914 x86_accumulate_outgoing_args, x86_prologue_using_move,
10915 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10916 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10917 Enable for generic.
10918 (x86_use_incdec, x86_pad_returns): New.
10919 (override_options): Add generic32 and generic64, translate "generic"
10920 to generic32/generic64 and "i686" to "generic32", refuse
10921 "generic32"/"generic64" as arch target.
10922 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10923 (ix86_reorg): Honor PAD_RETURNS.
10925 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10927 * tree-pretty-print.c (dump_generic_node): Handle
10928 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10929 * cgraph.c (cgraph_expand_queue): Rename from
10930 cgraph_analyze_queue. Update all users.
10931 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10932 cgraph_expand_queue.
10933 (cgraph_expand_all_functions): Likewise.
10934 (cgraph_finalize_pending_functions): Remove. Update callers.
10936 * tree.h (OMP_DIRECTIVE_P): Define.
10937 (OMP_PARALLEL_FN): Define.
10938 (OMP_PARALLEL_DATA_ARG): Define.
10939 (OMP_SECTIONS_SECTIONS): Define.
10940 * tree-pass.h (pass_expand_omp): Declare.
10941 * omp-low.c (struct omp_region): Declare.
10942 (struct omp_context): Remove fields 'parallel_type',
10943 'parallel_start_ix' and 'parallel_start_additional_args'.
10945 (struct omp_for_data): Rename from struct expand_omp_for_data.
10946 (omp_regions): New static variable.
10947 (root_omp_region): New static variable.
10948 (find_omp_clause): Make static.
10949 (is_in_combined_parallel_ctx): Remove.
10950 (is_combined_parallel): New.
10951 (extract_omp_for_data): Move earlier in the file.
10952 (workshare_safe_to_combine_p): New.
10953 (get_ws_args_for): New.
10954 (determine_parallel_type): Move earlier in the file.
10955 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10957 (omp_copy_decl): Likewise.
10958 (create_omp_child_function): Likewise.
10959 (lookup_omp_region): New.
10960 (dump_omp_region): New.
10961 (debug_omp_region): New.
10962 (debug_all_omp_regions): New.
10963 (new_omp_region): New.
10964 (scan_omp_parallel): If parallel_nesting_level > 1, the
10965 directive is nested within another parallel directive.
10966 Set OMP_PARALLEL_FN.
10967 (scan_omp_for): Do not try to handle combined parallel+for
10969 Remove FIXME comment.
10970 (scan_omp_nested): Remove.
10971 (scan_omp_1): Do not call scan_omp_nested when
10972 parallel_nesting_level is > 1.
10973 Do not change the DECL_CONTEXT of local variables found.
10974 (lookup_decl_in_outer_ctx): New.
10975 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10976 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10977 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10978 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10979 If CTX is nested, lookup VAR in the outer context when
10980 building copy assignment.
10981 (lower_send_clauses): Rename from expand_send_clauses.
10982 If CTX is nested, lookup VAR in the outer context when
10983 building copy assignments.
10984 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10985 If CTX is nested, lookup VAR in the outer context when
10986 building copy assignments.
10987 (expand_parallel_call): Rename from build_parallel_call.
10988 Handle combined parallel+workshare cases.
10989 Re-implement to emit code into the CFG.
10991 (expand_omp_parallel): Re-implement to emit code into the CFG.
10992 Call move_sese_region_to_fn to outline the sub-graph
10993 containing the parallel region.
10994 (expand_omp_for_1): Remove.
10995 (expand_omp_for_generic): Re-implement to emit code into the
10997 (expand_omp_for_static_nochunk): Likewise.
10998 (expand_omp_for_static_chunk): Likewise.
10999 (expand_omp_for): Likewise.
11000 (expand_omp_sections): Likewise.
11001 (remove_exit_barriers): New.
11002 (expand_omp_synch): New.
11004 (build_omp_regions_1): New.
11005 (build_omp_regions): New.
11006 (execute_expand_omp): New.
11007 (gate_expand_omp): New.
11008 (pass_expand_omp): Define.
11009 (lower_omp_sections): Rename from expand_omp_sections.
11010 Set OMP_SECTIONS_SECTIONS.
11011 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11012 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11013 (lower_omp_single): Rename from expand_omp_simple.
11014 (lower_omp_master): Rename from expand_omp_master.
11015 (lower_omp_ordered): Rename from expand_omp_ordered.
11016 (lower_omp_critical): Rename from expand_omp_critical.
11017 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11018 (lower_omp_for): Re-implement.
11019 (lower_omp_parallel): Re-implement.
11020 (lower_regimplify): Rename from expand_regimplify.
11021 (lower_omp_1): Rename from expand_omp_1.
11022 If there are syntax errors in the program, replace every
11023 OpenMP directive with NOP.
11024 Call lower_omp_* instead of expand_omp_*.
11025 (lower_omp): Rename from expand_omp.
11027 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11028 * tree-gimple.h (enum omp_parallel_type): Remove.
11029 (gimple_boolify): Declare extern.
11030 (find_omp_clause, determine_parallel_type): Remove.
11032 * gimple-low.c (lower_omp_directive): New.
11033 (lower_stmt): Call it.
11034 (record_vars_into): Move from ...
11035 (record_vars): ... here.
11036 Call record_vars_into with current_function_decl.
11038 * gimplify.c (struct gimplify_ctx): Remove fields
11039 combined_pre_p and combined_ctxp. Update users.
11040 (get_formal_tmp_var): Add documentation.
11041 (gimple_boolify): Make extern.
11042 (gimplify_expr_in_ctx): Remove. Update callers.
11043 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11044 will always be a BIND_EXPR.
11045 (gimplify_expr): Handle OMP_RETURN_EXPR.
11046 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11047 (OMP_PARALLEL): Add 3 operands.
11048 (OMP_SECTIONS): Add 1 operand.
11049 (OMP_RETURN_EXPR): Define.
11051 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11052 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11053 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11054 creating a circular free list.
11055 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11057 * tree-flow.h (move_sese_region_to_fn): Declare.
11058 (record_vars_into): Declare.
11059 * tree-cfg.c (make_omp_sections_edges): New.
11060 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11061 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11062 OMP_SECTIONS and OMP_SECTION.
11063 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11064 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11065 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11066 (gather_blocks_in_sese_region): New.
11067 (struct move_stmt_d): Declare.
11068 (move_stmt_r): New.
11069 (move_block_to_fn): New.
11070 (move_sese_region_to_fn): New.
11072 * passes.c (init_optimization_passes): Schedule
11073 pass_expand_omp after pass_init_datastructures.
11075 * tree-ssa-operands.c (get_expr_operands): Handle
11076 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11077 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11079 2006-01-19 Jeff Law <law@redhat.com>
11081 * tree-vrp.c (extract_range_from_assert): Refine the result range
11082 if the variable referenced by the ASSERT_EXPR has a range and
11083 either the tentative result range or the previous range is a
11086 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11088 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11090 2006-01-19 Jan Hubicka <jh@suse.cz>
11092 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11094 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11096 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11097 (expand_compound_operation, expand_field_assignment): Fail if the
11098 bit lengths of an extract operation are out of range.
11099 (make_extraction): Compute wanted_inner_mode based on the position
11100 and length of the extraction. Make it extraction_mode for non-constant
11101 positions, and do not modify offset in that case. When generating a
11102 new MEM, use a mode that can hold the extraction while keeping correct
11103 alignment. Remove code that supported MEMs wrapped by USEs.
11104 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11106 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11108 * config/s390/s390.md ("Y", "y"): New mode attribute.
11109 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11110 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11111 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11112 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11113 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11114 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11115 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11116 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11117 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11118 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11119 "addsi3", "subsi3"): Insn patterns removed.
11120 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11121 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11122 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11123 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11124 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11125 "*sub<mode>3_cconly2"): New insn patterns.
11126 ("addsi3", "subsi3"): New expanders.
11128 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11130 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11131 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11132 existing STMT_VINFO_VECTYPE if available.
11133 (vect_mark_relevant): Add special handling for stmts that are
11134 marked as STMT_VINFO_IN_PATTERN_P.
11135 (vect_analyze_loop): Call vect_pattern_recog.
11136 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11137 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11139 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11140 (vect_recog_func_ptr): New function-pointer type.
11141 * tree-vect-patterns.c: New file.
11142 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11143 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11144 (vect_pattern_recog_1): New functions.
11145 (vect_pattern_recog_funcs): New array of function pointers.
11147 * tree-vectorizer.h (ternary_op): New enum value.
11148 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11149 declaration. Revised documentation. Removed redundant dump prints.
11150 Removed redundant argument. Added support for reduction patterns.
11151 (vectorizable_reduction): Added support for reduction patterns.
11152 (vect_transform_stmt): Added support for patterns.
11154 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11155 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11156 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11157 (expand_widen_pattern_expr): New function.
11158 (init_optabs): Initialize new optabs udot_prod_optab,
11160 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11161 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11162 (expand_widen_pattern_expr): New function declaration.
11163 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11165 * tree-inline.c (estimate_num_insns_1): Added cases for new
11166 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11167 * tree-pretty-print.c (dump_generic_node): Likewise.
11168 (op_prio): Likewise.
11169 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11170 * tree-ssa-operands.c (get_expr_operands): Added case for
11172 * tree-vect-patterns.c (widened_name_p): New function.
11173 (vect_recog_dot_prod_pattern): Added function implementation.
11174 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11175 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11176 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11177 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11179 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11180 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11181 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11182 (init_optabs): Initialize new optabs widen_ssum_optab,
11184 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11185 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11186 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11187 use instead of type of def.
11188 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11189 function implementation.
11190 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11191 widen_ssumv8hi): New.
11193 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11196 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11199 * c-decl.c (add_flexible_array_elts_to_size): New function.
11200 (finish_decl): Use it.
11202 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11204 * diagnostic.h: Include options.h.
11205 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11206 dependancies for diagnostic.h.
11207 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11209 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11211 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11212 (ssa_ro_call_cache_valid): Ditto.
11213 * tree-ssa-alias.c (sort_tags_by_id): New function.
11214 (init_transitive_clobber_worklist): Ditto.
11215 (add_to_worklist): Ditto.
11216 (mark_aliases_call_clobbered): Ditto.
11217 (compute_tag_properties): Ditto.
11218 (set_initial_properties): Ditto.
11219 (compute_call_clobbered): Ditto.
11220 (compute_may_aliases): Call compute_call_clobbered and grouping.
11221 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11222 (compute_flow_insensitive_aliasing): Grouping now happens in our
11224 (setup_pointers_and_addressables): Remove clobbering related code.
11225 (add_may_alias): Ditto.
11226 (replace_may_alias): Ditto.
11227 (get_nmt_for): Ditto.
11228 (create_global_var):
11229 (is_escape_site): Return an escape_type enumeration.
11230 * tree-flow-inline.h (is_call_clobbered): Global var does not
11231 imply call clobbered.
11232 (mark_call_clobbered): Take a reason for marking this. Remove
11233 marking of globalness, and cache invalidation.
11234 (clear_call_clobbered): Remove cache invalidation code.
11235 * tree-dfa.c (dump_variable): If details is on, dump the reason
11237 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11239 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11240 (struct var_ann_d): Ditto.
11241 (enum escape_type): New.
11242 (mark_call_clobbered): Adjust prototype.
11243 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11244 are never call clobbered.
11245 Record reasons for escaping.
11246 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11247 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11248 (ssa_ro_call_cache_valid): Ditto.
11249 (clobbered_v_may_defs): Ditto.
11250 (clobbered_vuses): Ditto.
11251 (ro_call_vuses): Ditto.
11252 (clobber_stats): New.
11253 (init_ssa_operands): Zero out clobber stats.
11254 (fini_ssa_operands): Print out clobber stats.
11255 (get_call_expr_operands): Pass callee fndecl to
11256 add_call_read_ops).
11257 (add_call_clobber_ops): Remove use of cache.
11258 Add use of PURE_CONST information.
11259 (add_call_read_ops): Remove use of cache.
11260 Add use of static not_read information.
11262 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11264 Introduce TLS descriptors for i386 and x86_64.
11265 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11266 (TARGET_ANY_GNU_TLS): New macro.
11267 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11268 (struct machine_function): Add tls_descriptor_call_expanded_p.
11269 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11270 (ix86_current_function_calls_tls_descriptor): Likewise.
11271 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11272 (override_options): Introduce gnu2 tls dialect.
11273 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11275 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11277 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11278 (ix86_init_machine_status): Initialize new field.
11279 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11280 (ix86_tls_module_base): New.
11281 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11282 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11283 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11284 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11285 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11286 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11287 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11288 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11289 * config/i386/predicates.md (tls_modbase_operand): New.
11290 (tp_or_register_operand): New.
11292 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11294 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11295 (look_for_address_of): Ditto.
11296 (ipa_init): Walk the function decls.
11297 (static_execute): Don't set readonly on FUNCTION_DECL's.
11299 2006-01-18 Roger Sayle <roger@eyesopen.com>
11301 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11302 for shifts where the source and destination registers are different.
11304 2006-01-18 Paul Brook <paul@codesourcery.com>
11306 Merge from csl-arm-branch.
11307 2005-03-14 Julian Brown <julian@codesourcery.com>
11308 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11309 (aeabi_llsl): Likewise.
11310 (ashrdi3): Likewise.
11311 (aeabi_lasr): Likewise.
11312 (lshrdi3): Likewise.
11313 (aeabi_llsr): Likewise.
11314 2005-03-10 Julian Brown <julian@codesourcery.com>
11315 * config.gcc: Disable shared libgcc for SymbianOS.
11316 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11318 2006-01-18 DJ Delorie <dj@redhat.com>
11320 * c-pragma.c (handle_pragma_diagnostic): New.
11321 (init_pragma): Register it.
11322 * doc/extend.texi: Document it.
11324 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11325 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11326 (diagnostic_context): Add classify_diagnostic[].
11327 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11328 as errors if they're overridden to DK_WARNING.
11329 (diagnostic_initialize): Initialize classify_diagnostic[].
11330 (diagnostic_set_kind_override): New.
11331 (diagnostic_report_diagnostic): Check for kind changes.
11332 * opts.c (common_handle_option): Take lang_mask. Update callers.
11333 Handle OPT_Werror_.
11334 * common.opt (Werror=): New.
11335 * doc/invoke.texi: Document -Werror=*
11337 2006-01-18 Jeff Law <law@redhat.com>
11339 * tree-vrp.c (test_for_singularity): Correct test for new
11340 min limit. Use operand_equal_p rather than pointer equality
11341 for testing if new min/max values are equal.
11343 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11344 using range information until after propagation and folding.
11346 2006-01-18 Richard Henderson <rth@redhat.com>
11347 Aldy Hernandez <aldyh@redhat.com>
11348 Jakub Jelinek <jakub@redhat.com>
11349 Diego Novillo <dnovillo@redhat.com>
11351 * omp-low.c: New file.
11352 * c-omp.c: New file.
11354 2006-01-18 Richard Henderson <rth@redhat.com>
11355 Jakub Jelinek <jakub@redhat.com>
11356 Diego Novillo <dnovillo@redhat.com>
11358 * doc/invoke.texi: Document -fopenmp.
11359 * tree-dump.h (debug_function): Declare.
11360 * hooks.c (hook_bool_tree_bool_false): New function.
11361 (hook_tree_tree_null): Remove.
11362 (hook_tree_tree_tree_null): New.
11363 * hooks.h: Update to match.
11364 * tree-pretty-print.c (debug_tree_chain): New.
11365 (print_generic_expr): Handle TDF_CHAIN.
11366 (dump_generic_node): Handle BLOCK.
11367 Do not abort with incomplete SWITCH_EXPRs.
11368 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11369 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11370 print space after directive name.
11371 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11372 Handle OMP_MASTER and OMP_ORDERED.
11373 Handle printing of OMP_BODY just in one place, goto
11374 dump_omp_body in the rest of OMP_* nodes that have
11376 Don't handle clause nodes here. Update omp statements to
11377 use dump_omp_clauses.
11378 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11379 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11380 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11381 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11382 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11383 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11384 Adjust output for GOMP_PARALLEL.
11385 (dump_omp_clauses): New.
11386 (print_declaration): Dump DECL_VALUE_EXPR.
11387 (op_symbol_1): Split out of op_symbol.
11388 (dumping_stmts): Remove. Update all users.
11389 * cgraph.c (cgraph_analyze_queue): New.
11390 (cgraph_add_new_function): New.
11391 * cgraph.h (cgraph_analyze_queue): Declare.
11392 (cgraph_add_new_function): Declare.
11393 (cgraph_lower_function): Remove.
11394 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11395 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11396 and TYPE_P nodes in its default clause.
11397 (empty_body_p): New.
11398 (tree_range_check_failed): New.
11399 (build5_stat): New.
11400 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11401 OMP_CLAUSE_REDUCTION_MERGE,
11402 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11403 OMP_CLAUSE_PRIVATE_DEBUG,
11404 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11405 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11406 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11407 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11408 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11409 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11410 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11411 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11412 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11413 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11414 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11415 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11416 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11417 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11418 (TREE_RANGE_CHECK): New.
11419 (empty_body_p): Declare.
11420 (enum omp_clause_default_kind): New.
11421 (build_string_literal): Declare.
11422 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11423 (build5_stat, build5): Declare.
11424 * tree-pass.h (TDF_CHAIN): Define.
11425 * tree-pass.h (PROP_gimple_lomp): Define.
11426 (pass_lower_omp): Declare.
11427 * diagnostic.h (debug_tree_chain): Declare.
11428 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11430 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11431 * builtins.c (build_string_literal): Make extern.
11432 * gcc.c (include_spec_function): New.
11433 (static_spec_functions): Add it.
11434 (main): Move load of libgomp.spec ...
11435 (LINK_COMMAND_SPEC): ... here.
11436 (link_gomp_spec): New.
11437 (static_specs): Include it.
11438 (LINK_COMMAND_SPEC): Add link_gomp.
11439 (GOMP_SELF_SPECS): New.
11440 (driver_self_specs): Include it.
11441 (switch_matches): Don't mark inline.
11442 (main): Load libgomp.spec.
11443 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11444 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11445 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11446 * tree-gimple.h (enum omp_parallel): Declare.
11447 (determine_parallel_type): Declare.
11448 (omp_firstprivatize_variable): Declare.
11449 (omp_reduction_init): Declare.
11450 (diagnose_omp_structured_block_errors): Declare.
11451 (struct walk_stmt_info): Add want_return_expr.
11452 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11453 (find_omp_clause): Declare.
11454 (insert_field_into_struct): Declare.
11455 (struct walk_stmt_info): Move from tree-nested.c
11456 (walk_stmts): Declare.
11457 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11459 * cgraphunit.c (cgraph_lower_function): Make static.
11460 (cgraph_finalize_pending_functions): New.
11461 (cgraph_finalize_function): Call it.
11462 (cgraph_finalize_compilation_unit): Likewise.
11463 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11464 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11465 (BT_FN_UINT_UINT): New.
11466 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11467 DEF_FUNCTION_TYPE_VAR_4): Document.
11468 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11469 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11470 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11471 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11472 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11473 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11474 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11475 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11476 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11477 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11478 into separate files.
11479 (DEF_GOMP_BUILTIN): New.
11480 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11481 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11482 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11483 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11484 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11485 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11486 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11487 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11488 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11489 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11490 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11491 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11492 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11493 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11494 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11495 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11496 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11497 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11498 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11499 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11500 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11501 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11502 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11503 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11504 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11505 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11506 * sync-builtins.def: New file, moved from builtins.def.
11507 * omp-builtins.def: New file, moved from builtins.def.
11508 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11509 * gimple-low.c (lower_function_body): Clear data.
11510 (lower_stmt): Do not handle COMPOUND_EXPR.
11511 Remove call to print_node_brief.
11512 * c-tree.h (c_finish_omp_clauses): New prototype.
11513 (C_DECL_THREADPRIVATE_P): Define.
11514 (lookup_name_no_remap, c_omp_remap_private): Remove
11515 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11516 (check_for_loop_decls): Update decl.
11517 (lookup_name_no_remap, c_omp_remap_private): Declare.
11518 (build_indirect_ref, build_modify_expr, pushdecl,
11519 pushdecl_top_level): Move to c-common.h.
11520 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11521 before the switch, but just in the 2 places that need it.
11522 * c-decl.c (diagnose_mismatched_decls): Do not check for
11523 mismatched thread-local attributes when OLDDECL is marked
11524 threadprivate and NEWDECL has no thread-local attributes.
11525 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11526 (c_gimple_diagnostics_recursively): Rename from
11527 c_warn_unused_result_recursively. Invoke
11528 diagnose_omp_structured_block_errors.
11529 (check_for_loop_decls): Return a singular decl found.
11530 * langhooks.c (lhd_omp_predetermined_sharing): Return
11531 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11532 (lhd_omp_firstprivatize_type_sizes): New.
11533 (lhd_omp_assignment): New.
11534 (lhd_omp_predetermined_sharing): New.
11535 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11536 (struct lang_hooks_for_types): Add
11537 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11538 omp_predetermined_sharing, omp_disregard_value_expr,
11539 omp_private_debug_clause, omp_clause_default_ctor,
11540 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11541 (c_finish_omp_clauses): New.
11542 (c_finish_bc_stmt): Diagnose break within omp for.
11543 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11544 (build_unary_op): Return error_mark after reporting
11546 (build_modify_expr): Likewise.
11547 * gimplify.c: Include optabs.h and pointer-set.h.
11548 (enum gimplify_omp_var_data): Declare.
11549 (struct gimplify_omp_ctx): Declare.
11550 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11552 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11553 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11554 (splay_tree_compare_decl_uid): New.
11555 (new_omp_context): New.
11556 (delete_omp_context): New.
11557 (gimple_add_tmp_var): Call omp_add_variable.
11558 (gimplify_bind_expr): Likewise.
11559 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11560 true, disregard DECL_VALUE_EXPR on the decl if any.
11561 (gimplify_expr_in_ctx): New.
11562 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11563 omp_add_variable, omp_notice_variable, omp_is_private
11564 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11565 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11566 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11567 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11568 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11569 gimplify_omp_atomic): New.
11570 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11571 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11572 OMP_CRITICAL and OMP_ATOMIC.
11573 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11574 * c-pragma.h (enum pragma_kind): Add
11575 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11576 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11577 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11578 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11579 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11580 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11581 PRAGMA_OMP_THREADPRIVATE.
11582 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11583 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11584 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11585 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11586 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11587 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11588 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11589 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11590 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11591 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11592 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11593 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11594 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11596 (struct nesting_info): Add field_map,
11597 suppress_expansion, debug_var_chain.
11598 (create_nesting_tree): Initialize them.
11599 (lookup_field_for_decl): Use field_map.
11600 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11601 (convert_local_omp_clauses): New.
11602 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11603 (walk_body): Split out of walk_function.
11604 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11605 (convert_nonlocal_reference): Handle omp statements.
11606 (convert_local_reference): Likewise.
11607 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11608 (unnest_nesting_tree): New.
11609 (lower_nested_functions): Call it.
11610 (insert_field_into_struct): Make extern.
11611 (struct walk_stmt_info): Move to tree-gimple.h.
11612 (walk_stmts): Make extern.
11613 * omp-builtins.def: New file.
11614 * tree-iterator.c (expr_only): Clarify comment.
11615 * c-common.h (pushdecl_top_level, pushdecl,
11616 build_modify_expr, build_indirect_ref,
11617 c_finish_omp_master, c_finish_omp_critical,
11618 c_finish_omp_ordered, c_finish_omp_barrier,
11619 c_finish_omp_atomic, c_finish_omp_flush,
11620 c_finish_omp_for, c_split_parallel_clauses,
11621 omp_clause_default_kind, c_omp_sharing_predetermined,
11622 c_omp_remap_decl): Declare.
11623 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11624 (OBJS-common): Add omp-low.o.
11625 (c-omp.o, omp-low.o): Add.
11626 (gimplify.o): Add dependency on $(OPTABS_H).
11627 (GTFILES): Add omp-low.c.
11628 (gt-stringpool.h): Add.
11629 * tree-cfg.c (set_bb_for_stmt): Do not update the
11630 block-to-labels map if we are currently expanding to RTL.
11631 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11633 Handle IDENTIFIER_NODE.
11634 (tree_verify_flow_info): Do not ICE when emitting error
11635 messages about invalid labels.
11636 (dump_function_to_file): Reset CFUN before emitting the body
11638 (debug_function): New.
11639 * passes.c (init_optimization_passes): Schedule
11641 * langhooks-def.h (lhd_omp_predetermined_sharing,
11642 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11644 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11645 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11646 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11647 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11648 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11649 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11650 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11651 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11652 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11653 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11654 (LANG_HOOK_DECLS): Use them.
11656 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11657 Richard Henderson <rth@redhat.com>
11658 Jakub Jelinek <jakub@redhat.com>
11659 Diego Novillo <dnovillo@redhat.com>
11661 * c-parser.c (pragma_omp_clause): Define.
11662 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11663 (c_parser_compound_statement): Likewise.
11664 (c_parser_statement): Likewise.
11665 (c_parser_pragma): Handle omp pragmas.
11666 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11667 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11668 (c_parser_omp_clause_name, check_no_duplicate_clause,
11669 c_parser_omp_variable_list,
11670 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11671 c_parser_omp_clause_copyprivate,
11672 c_parser_omp_clause_default,
11673 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11674 c_parser_omp_clause_lastprivate,
11675 c_parser_omp_clause_nowait,
11676 c_parser_omp_clause_num_threads,
11677 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11678 c_parser_omp_clause_reduction,
11679 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11680 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11681 c_parser_omp_atomic, c_parser_omp_barrier,
11682 c_parser_omp_critical, c_parser_omp_flush,
11683 c_parser_omp_for_loop, c_parser_omp_for,
11684 c_parser_omp_master, c_parser_omp_ordered,
11685 c_parser_omp_sections_scope, c_parser_omp_sections,
11686 c_parser_omp_parallel, c_parser_omp_single,
11687 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11688 * c-pragma.c (init_pragma): Do omp pragma registration here.
11689 * c.opt (fopenmp): New flag.
11691 2006-01-18 Eric Christopher <echristo@apple.com>
11693 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11694 * config/darwin.h (GOMP_SELF_SPECS): Define.
11696 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11698 * rtl.h: Remove the prototype for reg_alloc.
11700 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11703 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11704 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11705 sjlj and dwarf2 exception handling.
11706 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11707 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11708 * pa/pa.c (function_value): Treat complex and vector types as
11710 (function_arg): Likewise. Only pass scalar floats in the floating
11711 point argument registers.
11712 * pa/t-slibgcc-dwarf-ver: New file.
11713 * pa/t-slibgcc-sjlj-ver: New file.
11714 * pa/t-slibgcc-elf-ver: Delete file.
11716 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11718 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11719 unlikely_test_section_p test.
11721 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11723 * mode-switching.c (optimize_mode_switching): Make it static.
11724 * basic-block.h: Remove the prototype for
11725 optimize_mode_switching.
11727 * modulo-sched.c (sms_schedule): Make it static.
11728 * rtl.h: Remove the prototype for sms_schedule.
11730 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11731 * rtl.h: Remove the prototype for gcse_after_reload_main.
11733 * reg-stack.c (reg_to_stack): Make it static.
11734 * rtl.h: Remove the prototype for reg_to_stack.
11736 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11738 * rtl.h: Remove the prototypes for regrename_optimize and
11739 copyprop_hardreg_forward.
11741 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11743 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11744 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11745 Test against the appropriate null constant for the mode.
11746 If 'fixup_overlap' is true, swap the operands if they overlap.
11747 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11748 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11749 alpha_split_tmode_pair and adjust for above change.
11750 * config/alpha/alpha.md (movtf_internal): Adjust call to
11751 alpha_split_tfmode_pair and rely on it to swap the operands.
11752 (movti_internal): New insn and post-reload splitter.
11753 (movti): New expander.
11755 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11757 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11760 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11762 * rtlanal.c (global_reg_mentioned_p_1,
11763 global_reg_mentioned_p): Remove.
11764 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11766 * flow.c (initialize_uninitialized_subregs): Make it static.
11767 * rtl.h: Remove the prototype for
11768 initialize_uninitialized_subregs.
11770 * function.c (instantiate_virtual_regs): Make it static.
11771 * function.h: Remove the prototype for
11772 instantiate_virtual_regs.
11774 * regmove.c (regmove_optimize, combine_stack_adjustments):
11776 * rtl.h: Remove the prototypes for regmove_optimize and
11777 combine_stack_adjustments.
11779 2006-01-17 Roger Sayle <roger@eyesopen.com>
11781 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11782 (size_cost): Encode costs in bytes so that a reg-reg addition is
11783 equivalent to COSTS_N_INSNS(1).
11784 (override_options): Use the size_cost.branch_cost as the default
11785 ix86_branch_cost when optimizing for size.
11787 2006-01-18 Ben Elliston <bje@au.ibm.com>
11789 * Makefile.in (D32PBIT_FUNCS): New.
11790 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11791 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11792 D64PBIT_FUNCS and D128PBIT_FUNCS.
11793 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11794 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11796 (decnumber_dep): Define.
11797 * doc/libgcc.texi (Decimal float library routines): New node.
11798 * config/dfp-bit.h, config/dfp-bit.c: New files.
11800 2006-01-18 Ben Elliston <bje@au.ibm.com>
11802 * expr.c (emit_move_change_mode): Always adjust addresses, not
11803 just during reload. Copy replacements only during reload.
11804 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11805 emit_move_via_integer.
11807 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11809 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11810 instead of $(srcdir) and ${srcdir}.
11812 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11815 PR middle-end/11135
11816 * arm.h (struct machine_function): Add pic_reg.
11817 * arm.c (arm_pic_register): Make unsigned.
11818 (arm_override_options): Only set arm_pic_register if
11819 TARGET_SINGLE_PIC_BASE.
11820 (use_return_insn): Only test for a pic register if it is fixed.
11821 (arm_compute_save_reg0_reg12_mask): Likewise.
11822 (thumb_compute_save_reg_mask): Likewise.
11823 (legitimate_pic_operand): Factor out some known invariants.
11824 (legitimize_pic_address): If we don't have a fixed pic register,
11825 then set up a pseudo in the function entry sequence. Handle the
11826 pic base being in a pseudo.
11827 (arm_load_pic_register): Handle the pic register being in a pseudo.
11828 (arm_expand_prologue): Only set up the pic register if it is fixed.
11829 (thumb_expand_prologue): Likewise.
11830 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11831 (pic_load_addr_based_insn): Likewise.
11832 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11835 2006-01-18 Ben Elliston <bje@au.ibm.com>
11837 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11838 decimal float modes for all floating point registers.
11840 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11841 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11843 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11846 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11847 even when the pointer is not NULL.
11849 2006-01-16 Ian Lance Taylor <ian@airs.com>
11851 * common.opt (ftoplevel-reorder): New option.
11852 * cgraph.c (cgraph_asm_nodes): New global variable.
11853 (cgraph_asm_last_node): New static variable.
11854 (cgraph_order): New global variable.
11855 (cgraph_create_node): Set new order field.
11856 (cgraph_varpool_node): Likewise.
11857 (decide_is_variable_needed): Return true if not
11858 flag_toplevel_reorder.
11859 (cgraph_add_asm_node): New function.
11860 * cgraph.h (struct cgraph_node): Add order field.
11861 (struct cgraph_varpool_node): Add order field.
11862 (struct cgraph_asm_node): Define.
11863 (cgraph_asm_nodes, cgraph_order): Declare.
11864 (cgraph_add_asm_node): Declare.
11865 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11867 (cgraph_varpool_assemble_pending_decls): Call it.
11868 (cgraph_output_pending_asms): New static function.
11869 (cgraph_finalize_compilation_unit): Call it.
11870 (struct cgraph_order_sort): Define.
11871 (cgraph_output_in_order): New static function.
11872 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11873 !flag_toplevel_reorder case.
11874 * c-parser.c: Include "cgraph.h".
11875 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11877 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11878 than -fno-unit-at-a-time.
11879 * doc/invoke.texi (Option Summary): Mention
11880 -fno-toplevel-reorder.
11881 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11882 -funit-at-a-time documentation.
11884 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11885 Kazu Hirata <kazu@codesourcery.com>
11887 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11889 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11891 * Makefile.in (FUNCTION_H): New. Use it instead of
11892 function.h throughout the file.
11893 * function.h: Include tree.h.
11895 2006-01-17 Ben Elliston <bje@au.ibm.com>
11897 * recog.c: Separate some functions with whitespace.
11899 2006-01-16 Richard Henderson <rth@redhat.com>
11901 Merge from gomp branch:
11902 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11903 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11904 and rename from struct inline_data. Rename callee* to dst*;
11905 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11906 transform_new_cfg, transform_return_to_modify, and
11907 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11909 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11910 (copy_decl_for_dup): Remove.
11911 * tree-inline.c (struct inline_data): Move to header.
11912 (insert_decl_map): Export.
11913 (remap_decl): Update for member name changes. Use copy_decl hook.
11914 Allow for replacement to be a non-decl. Remove dead code.
11915 (remap_type_1): Check for existing mapping.
11916 (remap_type): Export.
11917 (remap_decls): Update for member name changes.
11918 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11919 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11920 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11921 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11922 (tree_function_versioning, build_duplicate_type): Likewise.
11923 (copy_body_r): Likewise. Export.
11924 (copy_decl_for_dup): Split into ...
11925 (copy_decl_for_dup_finish, copy_decl_to_var,
11926 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11927 (replace_ref_tree, inlining_p): Remove.
11929 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11931 * ifcvt.c (if_convert): Make it static.
11932 * rtl.h: Remove the prototype for if_convert.
11934 * local-alloc.c (local_alloc): Make it static.
11935 * rtl.h: Remove the prototype for local_alloc.
11937 * loop.c (loop_optimize): Make it static.
11938 * cfgloop.h: Remove the prototype for loop_optimize.
11941 2006-01-16 DJ Delorie <dj@redhat.com>
11943 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11946 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11948 * pa.md: Disparage copies between general and floating-point registers
11949 in 32-bit move patterns.
11951 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11954 * Makefile.in (check-%): Depend on site.exp instead of
11955 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11958 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11960 * global.c (global_alloc): Make it static.
11961 * rtl.h: Remove the prototype for global_alloc.
11963 2006-01-16 Richard Guenther <rguenther@suse.de>
11965 * tree-ssa-alias.c (struct used_part): Add write_only field.
11966 (get_or_create_used_part_for): Initialize it to true.
11967 (create_overlap_variables_for): Don't create structure variables
11968 for structures that only are written to.
11969 (find_used_portions): Handle MODIFY_EXPR to track whether a
11970 structure is only written to.
11972 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11974 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11976 * basic-block.h: Remove the prototype for
11977 partition_hot_cold_basic_blocks.
11979 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11981 * cppspec.c (lang_specific_spec_functions): Remove.
11982 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11983 * gcc.h (lang_specific_spec_functions): Remove.
11984 * gccspec.c (lang_specific_spec_functions): Remove.
11986 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11988 * combine.c (record_value_for_reg): Invalidate registers
11990 (record_dead_and_set_regs_1): Likewise, by passing them to
11991 record_value_for_reg.
11992 (record_dead_and_set_regs): Invalidate stores made by a
11993 call. We do not combine across a call, but we still
11994 relied on equivalences.
11996 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11998 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11999 vrp_int_const_binop returning non-constant nodes.
12001 2006-01-16 Paul Brook <paul@codesourcery.com>
12003 * config/m68k/m68k.c (output_move_const_into_data_reg):
12004 Output correct mnemonic for mvz and mvs.
12006 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12008 * rtl-factoring.c: Add sequence abstraction algorithm.
12009 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12010 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12012 (block_has_preserve_label): New function.
12013 * common.opt: Register new pass.
12014 * Makefile.in: Ditto.
12016 * timevar.def: Ditto.
12017 * tree-pass.h: Ditto.
12018 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12019 * rtl.h (make_jump_insn_raw): Add forward decl.
12020 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12022 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12023 Roger Sayle <roger@eyesopen.com>
12025 * fold-const.c (fold_minmax): New static function.
12026 (fold_binary) <MIN_EXPR>: Call it.
12027 <MAX_EXPR>: Likewise.
12028 * stor-layout.c (place_field): Use DECL_SIZE consistently
12029 in the computation of the new record size.
12031 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12033 * cse.c (cse_condition_code_reg): Make it static.
12034 * rtl.h: Remove the prototype for cse_condition_code_reg.
12036 * combine.c (combine_instructions): Make it static.
12037 * rtl.h: Remove the prototype for combine_instructions.
12039 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12042 * tree.c (get_file_function_name_long): Concatenate the first global
12043 object name with a string derived from the input filename of the object
12046 2006-01-16 Ben Elliston <bje@au.ibm.com>
12048 * config/i386/winnt-stubs.c: Update FSF address.
12049 * config/xtensa/ieee754-df.S: Ditto.
12050 * config/xtensa/ieee754-sf.S: Ditto.
12052 2006-01-14 Ian Lance Taylor <ian@airs.com>
12054 * ifcvt.c (noce_init_if_info): New static function, broken out of
12055 noce_process_if_block.
12056 (noce_process_if_block): Call noce_init_if_info.
12057 (check_cond_move_block): New static function.
12058 (cond_move_process_if_block): New static function.
12059 (process_if_block): Call cond_move_process_if_block.
12061 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12063 * cselib.c (hash_table): Rename to cselib_hash_table.
12064 (cselib_clear_table, discard_useless_values,
12065 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12066 cselib_init, cselib_finish): Adjust uses of hash_table.
12068 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12070 PR tree-optimization/25485
12071 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12072 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12073 is known to be false and true, respectively.
12075 2006-01-14 Richard Guenther <rguenther@suse.de>
12077 PR tree-optimization/22548
12078 PR tree-optimization/22555
12079 PR tree-optimization/22501
12080 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12081 * params.def (salias-max-array-elements): New parameter.
12082 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12083 * doc/invoke.texi (salias-max-array-elements): Document.
12084 * tree-flow-inline.h (var_can_have_subvars): We also handle
12086 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12088 * tree-ssa-structalias.c (params.h): Include.
12089 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12090 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12091 (get_constraint_for): For ADDR_EXPR operating on something
12092 containing an ARRAY_REF, add all subvars to the solution.
12093 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12094 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12095 for creating MUST_DEFs.
12096 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12098 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12100 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12102 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12103 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12104 number_of_iterations_le): New functions.
12105 (number_of_iterations_special): Removed.
12106 (number_of_iterations_exit): Do not use number_of_iterations_special.
12107 * tree.c (unsigned_type_for): Always return integer type.
12109 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12110 Richard Guenther <rguenther@suse.de>
12112 PR rtl-optimization/24257
12113 * gcse.c (find_moveable_store): Only consider a store movable
12114 when the SET_SRC of the insn can be assigned to a register.
12116 2006-01-14 Ian Lance Taylor <ian@airs.com>
12118 * tree.c (tree_not_class_check_failed): New function.
12119 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12120 (tree_not_class_check_failed): Declare.
12122 2006-01-13 Ian Lance Taylor <ian@airs.com>
12124 * reload1.c (do_output_reload): Add assertion rejecting a
12127 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12129 * combine.c (struct reg_stat): Add new fields truncation_label and
12131 (record_value_for_reg): Reset truncated_to_mode.
12132 (record_truncated_value): New function.
12133 (check_promoted_subreg): Call it. Rename to check_conversions.
12134 (combine_instructions): Rename check_promoted_subreg to
12136 (reg_truncated_to_mode): New function.
12137 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12138 (gen_lowpart_or_truncate): New function.
12139 (force_to_mode): Use it instead of gen_lowpart.
12141 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12143 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12144 VAR is a tag, not its type tag.
12146 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12148 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12149 alternatives to match style of other entries.
12150 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12152 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12154 PR tree-optimization/25771
12155 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12158 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12161 * tree-inline.c (declare_return_variable): If the return variable
12162 was marked as a non gimple complex, set the return slot variable
12163 to be a non gimple comple variable.
12165 2006-01-13 Richard Guenther <rguenther@suse.de>
12167 * builtins.c (expand_builtin_sincos): New function.
12168 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12170 (expand_builtin): Expand sincos using expand_builtin_sincos.
12172 2006-01-12 DJ Delorie <dj@redhat.com>
12174 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12175 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12176 so that constant shifts can be split.
12177 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12178 (m32c_valid_pointer_mode): Make static.
12179 (shift_gen_func_for): New.
12180 (m32c_prepare_shift): Use it. Split large const shifts into
12182 * config/m32c/predicates.md (shiftcount_operand): Allow more
12184 (longshiftcount_operand): New.
12185 * doc/md.texi (Machine Constraints): Document In6.
12187 2006-01-13 Ben Elliston <bje@au.ibm.com>
12189 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12190 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12193 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12195 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12196 to try to avoid clobbering pieces of structures when we know
12197 something about the whole structure.
12198 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12200 2006-01-13 Ben Elliston <bje@au.ibm.com>
12202 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12203 return in memory, as this is no limitation is no longer present.
12205 2006-01-12 DJ Delorie <dj@redhat.com>
12207 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12208 mova with fb, and for fb+0 -> An.
12210 * config/m32c/mov.md (peephole2): Fix enabling logic.
12212 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12213 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12214 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12215 FINI_ARRAY_SECTION_ASM_OP): Define.
12217 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12219 (m32c_legitimize_reload_address): New logic to reload FB to An.
12220 (m32c_output_reg_push): Add newline.
12221 (m32c_output_reg_pop): Likewise.
12223 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12225 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12227 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12229 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12231 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12233 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12236 2006-01-11 Ben Elliston <bje@au.ibm.com>
12238 * rtlanal.c (find_reg_note): Assert insn is not null.
12240 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12242 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12245 2006-01-11 Jeff Law <law@redhat.com>
12247 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12249 (mark_threaded_blocks, register_jump_thread): New functions.
12250 (thread_through_all_blocks): Remove unwanted argument. No
12251 longer rely on e->aux to communicate thread target info.
12252 Call mark_threaded_blocks. Release the threaded_blocks
12253 bitmap and threaded_edges vector when complete.
12254 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12255 (threaded_blocks): Remove.
12256 (tree_ssa_dominator_optimize): Remove initialization and
12257 finalization of threaded_blocks. Simplify call to
12258 thread_through_all_blocks.
12259 (thread_across_edge): Call register_jump_thread rather than
12260 storing thread information into e->aux.
12261 (free_all_edge_infos): Simplify now that e->aux is no longer
12262 used to communicate with thread_through_all_blocks.
12263 * tree-flow.h (thread_through_all_blocks): Update prototype.
12264 (register_jump_thread): Prototype.
12266 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12268 * df-core.c (df_compact_blocks, df_bb_replace): Use
12269 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12271 2006-01-11 Richard Guenther <rguenther@suse.de>
12273 PR tree-optimization/25734
12274 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12275 stop propagation after successful propagation to the LHS.
12277 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12279 * basic-block.h (control_flow_graph): Change the type of
12280 x_basic_block_info to VEC(basic_block,gc) *.
12281 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12283 (SET_BASIC_BLOCK): New.
12284 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12285 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12286 * cfgbuild.c (find_basic_blocks): Likewise.
12287 * cfglayout.c (fixup_reorder_chain): Likewise.
12288 * cfgrtl.c (create_basic_block_structure,
12289 rtl_create_basic_block): Likewise.
12290 * ifcvt.c (find_if_case_1): Likewise.
12291 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12294 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12296 * Makefile.in: Removed rotted odf.c entry.
12298 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12301 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12302 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12303 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12304 output pattern modifier, not %e.
12305 * config/cris/cris.c (cris_op_str): Update comment about pattern
12307 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12308 before falling through into...
12309 <case 'E'>: Redefined from old 'e' case.
12311 2006-01-11 Jan Hubicka <jh@suse.cz>
12314 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12316 2006-01-11 Jan Hubicka <jh@suse.cz>
12318 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12319 * i386.c (x86_decompose_lea): Kill.
12320 (ix86_rtx_costs): Kill.
12322 2006-01-11 Jan Hubicka <jh@suse.cz>
12324 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12325 * cgraph.h (cgraph_node): Add inline_decl.
12326 (cgraph_insert_node_to_hashtable): Declare.
12327 (save_inline_function_body): Declare.
12328 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12330 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12331 (cgraph_function_versioning): Update call of tree_function_versioning.
12332 (save_inline_function_body): New function.
12333 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12334 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12335 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12336 (cgraph_default_inline_p): Likewise.
12337 (cgraph_decide_inlining_incrementally): Likewise.
12338 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12339 (copy_bb): Kill saving; do updating of clones.
12340 (copy_cfg_body): Kill saving.
12341 (initialize_inlined-parameters): Likewise.
12342 (expand_call_inline): Likewise.
12344 (tree_function_versioning): New parameter "update_clones".
12345 (inlining_p): Kill saving.
12346 * tree-inline.h (tree_function_versioning): Update prototype.
12347 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12350 2006-01-11 Ian Lance Taylor <ian@airs.com>
12352 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12353 Allow undoing set of machine mode.
12354 (do_SUBST): Use enums instead of is_int.
12355 (do_SUBST_MODE): New function.
12356 (SUBST_MODE): New macro.
12357 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12358 reg and trying to replace reg_regno_rtx with a new register.
12359 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12360 (simplify_set): Use SUBST_MODE.
12361 (distribute_notes): Remove code that tried to update reg notes
12362 for regno_reg_rtx changes.
12364 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12366 PR tree-optimization/23109
12367 PR tree-optimization/23948
12368 PR tree-optimization/24123
12370 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12371 * tree-cfg.c (single_noncomplex_succ): New.
12372 * tree-flow.h (single_noncomplex_succ): Declare it.
12373 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12374 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12375 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12376 insert_bb, register_division_in, insert_reciprocals,
12377 replace_reciprocal, free_bb): New.
12378 (execute_cse_reciprocals_1): Rewritten.
12379 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12380 Do not commit any edge insertion. Always compute dominators and
12381 create the allocation pool.
12382 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12383 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12384 * targhooks.c (default_min_divistions_for_recip_mul): New.
12385 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12386 * passes.c (init_optimization_passes): Run recip after tree loop
12388 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12390 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12391 Kenneth Zadeck <zadeck@naturalbridge.com>
12393 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12394 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12395 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12396 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12397 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12398 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12399 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12400 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12401 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12402 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12403 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12404 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12405 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12406 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12407 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12408 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12409 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12410 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12411 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12412 DF_SCAN_POST_ALLOC): New macros.
12413 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12414 df_free_bb_function, df_local_compute_function, df_init_function,
12415 df_dataflow_function, df_confluence_function_0,
12416 df_confluence_function_n, df_transfer_function,
12417 df_finalizer_function, df_free_function, df_dump_problem_function,
12418 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12419 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12420 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12421 df_urec_bb_info, ) New types.
12422 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12424 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12425 df_analyze_simple_change_some_blocks,
12426 df_analyze_simple_change_one_block, df_compact_blocks,
12427 df_bb_replace, df_bb_regno_last_use_find,
12428 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12429 df_insn_regno_def_p, df_find_def, df_find_use,
12430 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12431 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12432 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12433 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12434 debug_df_chain, df_get_dependent_problem, df_chain_create,
12435 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12436 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12437 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12438 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12439 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12440 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12441 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12442 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12443 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12444 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12445 df_reorganize_refs, df_set_state, df_hard_reg_init,
12446 df_read_modify_subreg_p) New public functions.
12447 * df-core.c: The core dataflow solver and glue routines for rtl
12449 (df_init, df_add_problem, df_set_blocks, df_finish,
12450 df_hybrid_search_forward, df_hybrid_search_backward,
12451 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12452 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12453 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12454 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12455 df_reg_defined, df_find_use, df_reg_used, df_dump,
12456 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12457 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12458 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12459 debug_df_useno, reset_df_after_reload): New functions.
12460 * df-scan.c: The scanning fuctions, once in df.c, completely
12461 rewritten so that they now fully model the functionality of
12462 register usage at the backend.
12463 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12464 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12465 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12466 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12467 df_get_artificial_defs, df_get_artificial_uses,
12468 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12469 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12470 df_refs_delete, df_reorganize_refs, df_set_state,
12471 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12472 df_def_record_1, df_defs_record, df_uses_record,
12473 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12474 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12475 df_record_exit_block_uses, df_hard_reg_init): New functions.
12477 * df-problems.c: Seven concrete dataflow problems that use the
12478 scanning in df-scan.c and are solved by the engine in df-core.c.
12479 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12480 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12481 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12482 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12483 df_ru_free_bb_info, df_ru_alloc,
12484 df_ru_bb_local_compute_process_def,
12485 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12486 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12487 df_ru_transfer_function, df_ru_free, df_ru_dump,
12488 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12489 df_rd_free_bb_info, df_rd_alloc,
12490 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12491 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12492 df_rd_transfer_function, df_rd_free, df_rd_dump,
12493 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12494 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12495 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12496 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12497 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12498 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12499 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12500 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12501 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12502 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12503 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12504 df_urec_mark_reg_use_for_earlyclobber,
12505 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12506 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12507 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12508 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12509 df_chain_create_bb_process_use, df_chain_create_bb,
12510 df_chain_finalize, df_chain_free, df_chains_dump,
12511 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12512 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12513 df_reg_lifetime): New functions.
12514 * df.c: Deleted file.
12515 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12516 consistent with new df api.
12517 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12518 rest_of_handle_sms): Ditto.
12519 * web.c (unionfind_union, union_defs, entry_register, web_main):
12521 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12522 invariant_expr_equal_p, find_defs, check_dependencies,
12523 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12524 free_inv_motion_data, move_loop_invariants): Ditto.
12525 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12526 Update dependencies.
12527 (odf.c): Added defective entry that was deleted later in day.
12528 * sched-deps.c (sched_analyze_1): Ditto.
12530 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12532 * tree-ssa-operands.c (get_expr_operands): Record addressable
12533 variables directly. Do not call add_stmt_operands for CONST_DECLs
12535 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12536 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12538 2006-01-11 Ben Elliston <bje@au.ibm.com>
12540 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12541 function returns true in the positive case.
12543 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12546 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12547 for SI, DI, SF and DF modes. Add alternatives to copy between
12548 general and floating point registers to the 32-bit patterns.
12549 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12550 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12551 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12552 generating 64-bit code.
12553 * config/pa/pa.c (output_move_double): Handle copies between general
12554 and floating registers.
12556 2006-01-10 Stuart Hastings <stuart@apple.com>
12558 * config/i386/i386.md (set_got): Update.
12559 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12560 (builtin_setjmp_receiver): Mach-O support.
12561 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12562 (GOT_SYMBOL_NAME): Define.
12563 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12564 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12565 * config/i386/i386.c (override_options): Revise for Darwin.
12566 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12567 support. (darwin_x86_file_end): New. (output_set_got): Add label
12568 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12569 * config/i386/i386-protos.h (output_set_got): Likewise.
12570 * config/darwin.c (machopic_legitimize_pic_address): Update
12573 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12575 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12576 when MODE isn't BLKmode.
12578 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12580 PR rtl-optimization/25367
12581 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12583 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12586 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12587 for a negative bound.
12589 2006-01-10 Richard Guenther <rguenther@suse.de>
12591 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12592 Never override with anything constraint.
12594 2006-01-10 Jan Beulich <jbeulich@novell.com>
12596 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12597 256 bits when optimize_size.
12599 2006-01-10 Jan Beulich <jbeulich@novell.com>
12601 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12603 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12604 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12607 2006-01-10 Ben Elliston <bje@au.ibm.com>
12609 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12611 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12612 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12613 (USE_FP_FOR_ARG): Reject decimal float modes.
12614 (function_arg_advance): Likewise.
12615 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12616 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12617 point types in AltiVec vectors.
12618 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12619 (rs6000_libcall_value): Likewise.
12621 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12623 * config/xtensa/ieee754-df.S: New file.
12624 * config/xtensa/ieee754-sf.S: New file.
12625 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12626 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12627 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12629 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12631 * config/sh/predicates.md (binary_float_operator,
12632 binary_logical_operator, commutative_float_operator,
12633 equality_comparison_operator, greater_comparison_operator,
12634 less_comparison_operator, logical_operator,
12635 noncommutative_float_operator, shift_operator,
12636 symbol_ref_operand, unary_float_operator): Remove redundant
12639 2006-01-09 Jeff Law <law@redhat.com>
12641 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12642 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12643 now unused arguments. Callers updated.
12644 (eliminate_redundant_computations): Remove now unused arguments,
12646 (local_fold): Remove, no longer used.
12647 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12649 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12650 (simplify_cond): New function.
12651 (forward_propagate_into_cond): Call simplify_cond.
12653 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12655 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12656 (*vec_extractv2di_1_sse): New.
12658 2006-01-09 Ben Elliston <bje@au.ibm.com>
12660 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12662 2006-01-08 Richard Guenther <rguenther@suse.de>
12664 * tree-ssa-structalias.c (get_constraint_for): Remove
12665 anyoffset argument.
12666 (get_constraint_for_component_ref): Likewise.
12667 (do_deref): Likewise.
12668 (get_constraint_for): Likewise.
12669 (do_structure_copy): Likewise.
12670 (handle_ptr_arith): Likewise.
12671 (find_func_aliases): Likewise. Remove unused need_anyoffset
12674 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12675 Kaz Kojima <kkojima@gcc.gnu.org>
12677 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12678 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12679 (EXTRA_CONSTRAINT_C16): Remove.
12680 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12681 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12682 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12683 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12684 constants of SHmedia. Handle nested constant expressions of
12686 (andcosts): Fix the costs for SHmedia constants.
12687 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12688 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12689 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12690 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12691 (movv4hi_i, movv2si_i): Likewise.
12692 (movsi_const): Adjust the second operand of ior so to match with
12693 the Csu constraint.
12694 (movdi_const, movdi_const_32bit): Likewise.
12695 (movdi_const_16bit+1): Don't sign-extend LOW.
12696 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12698 (*double_shori): Fix the split condition. Use GEN_INT instead
12699 of get_int_mode calls. Mask lower 16-bit of the argument of
12701 (sym2GOTPLT): Remove.
12702 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12704 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12705 instead of EXTRA_CONSTRAINT_C16.
12707 2006-01-07 Ian Lance Taylor <ian@airs.com>
12708 David Edelsohn <edelsohn@gnu.org>
12710 PR rtl-optimization/25662
12711 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12712 for constant operands instead of simplify_gen_binary.
12713 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12714 after trying simplify_binary_operation
12716 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12718 * tree.c (iterative_hash_expr): Hash decls based on UID.
12720 2006-01-06 Eric Christopher <echristo@apple.com>
12722 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12723 (TARGET_UNWIND_EMIT): Fix spelling.
12724 * target.h (gcc_target): Add except_table_label.
12725 * except.c (output_function_exception_table): Use.
12726 * varasm.c (default_emit_except_table_label): New.
12727 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12729 (asm_out): Add here.
12730 * output.h (default_emit_except_table_label): Prototype.
12731 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12732 * config/darwin.c (darwin_emit_except_table_label): Define.
12733 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12735 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12737 PR tree-optimization/18527
12738 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12739 number_of_iterations_special, number_of_iterations_exit):
12740 Move base and step of an iv to a single structure. Add
12741 no_overflow flag, and use it in # of iterations analysis.
12742 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12743 folded_casts argument.
12744 (simple_iv): Pass base and step in a structure. Set no_overflow
12746 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12747 Evaluate expensiveness of computing # of iterations instead of
12748 the final expression.
12749 * tree-scalar-evolution.h (affine_iv): New structure.
12750 (simple_iv): Declaration changed.
12751 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12752 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12753 find_givs_in_stmt): Changed due to simple_iv change.
12755 2006-01-06 Jeff Law <law@redhat.com>
12758 * tree-cfg.c (bsi_replace): Rename final argument from
12759 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12760 change (stmt -> orig_stmt).
12761 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12762 (bsi_remove): Add new argument. Remove EH information
12764 (verify_eh_throw_table_statements): New function.
12765 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12767 * tree-optimize.c (execute_free_cfg_annotations): Verify
12768 the EH throw statement table after removing annotations.
12769 * except.h (verify_eh_throw_table_statements): Prototype.
12770 * tree-flow.h (bsi_remove): Update prototype.
12771 * tree-vrp.c (remove_range_assertions): Add new argument to
12773 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12774 * tree-complex.c (expand_complex_div_wide): Likewise.
12775 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12776 * tree-tailcall.c (eliminate_tailcall): Likewise.
12777 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12778 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12779 * tree-nrv.c (tree_nrv): Likewise.
12780 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12781 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12782 (combine_blocks): Likewise.
12783 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12784 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12785 (cleanup_control_flow): Likewise.
12786 (remove_forwarder_block): Likewise.
12787 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12788 * tree-sra.c (sra_replace): Likewise.
12789 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12790 (forward_propagate_single_use_vars): Likewise.
12791 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12792 * tree-inline.c (expand_call_inline): Likewise.
12793 * tree-vect-transform.c (vect_transform_loop): Likewise.
12794 * tree-outof-ssa.c (rewrite_trees): Likewise.
12795 * tree-cfg.c (make_goto_expr_edges): Likewise.
12796 (cleanup_dead_labels): Likewise.
12797 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12798 (bsi_move_before, bsi_move_after): Likewise.
12799 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12800 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12802 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12805 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12807 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12808 on non gimple variables. Also add checks at the top for decls and
12810 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12812 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12813 and IMAGPART_EXPR for creating MUST_DEFs.
12814 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12815 and NAME_MEMORY_TAG separately from the DECLs.
12817 2006-01-06 Richard Guenther <rguenther@suse.de>
12819 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12820 annotation, if necessary.
12821 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12822 redundant calls to update_stmt.
12823 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12826 2006-01-05 Richard Henderson <rth@redhat.com>
12828 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12830 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12832 * c-typeck.c: Update copyright date.
12834 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12836 * c-typeck.c (build_c_cast): Always warn when casting
12837 from a pointer to an integer of different size, even if
12838 the node was constant.
12840 2006-01-05 Richard Guenther <rguenther@suse.de>
12842 PR tree-optimization/22555
12843 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12844 if one structure field is an array.
12845 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12846 operands even if we found a subvar, but ignore VOPs in this
12848 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12850 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12852 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12854 PR middle-end/24998
12855 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12857 2006-01-05 Richard Guenther <rguenther@suse.de>
12858 Diego Novillo <dnovillo@redhat.com>
12860 * tree-pass.h (TODO_remove_unused_locals): Define.
12861 * gimple-low.c (expand_var_p, remove_useless_vars,
12862 pass_remove_useless_vars): Remove. Update all users.
12863 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12864 (remove_unused_locals): New function.
12865 * tree-flow.h (remove_unused_locals): Declare.
12866 * passes.c (execute_todo): Call remove_unused_locals if
12867 TODO_remove_unused_locals is set.
12868 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12869 * tree-ssa-dce.c (pass_dce): Likewise.
12870 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12872 2006-01-05 Richard Guenther <rguenther@suse.de>
12874 * tree-flow.h (struct fieldoff): Decompose field to
12875 type, size and decl.
12876 * tree-ssa-alias.c (create_sft): Take type as parameter.
12877 (create_overlap_variables_for): Store type, size and decl
12878 in the fieldoff structure.
12879 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12880 of struct fieldoff.
12881 (push_fields_onto_fieldstack): Likewise.
12882 (create_variable_info_for): Likewise. Use offset for the
12883 SFT name if the decl is not available.
12885 2006-01-04 Paul Brook <paul@codesourcery.com>
12887 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12889 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12891 * lambda-code.c (can_put_in_inner_loop): Relax
12893 (can_put_after_inner_loop): New function.
12894 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12895 (perfect_nestify): Change to make copies and modify uses.
12897 2006-01-04 Richard Henderson <rth@redhat.com>
12899 Merge from gomp branch:
12900 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12901 via integer constant.
12902 (pragma_lex): Remove.
12903 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12904 rather than parsing it.
12905 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12906 handle_pragma_extern_prefix): Add %< %> quotes.
12907 (registered_pragmas): New.
12908 (c_register_pragma_1): New.
12909 (c_register_pragma): Use it.
12910 (c_register_pragma_with_expansion): Likewise.
12911 (c_invoke_pragma_handler): New.
12912 (init_pragma): Use cpp_register_deferred_pragma directly for
12914 * c-pragma.h (enum pragma_kind): New.
12915 (pragma_handler): New.
12916 (c_invoke_pragma_handler): Declare.
12917 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12919 * c-common.h (c_common_pch_pragma): Update decl.
12920 * Makefile.in (c-parser.o): Update dependencies.
12921 (GTFILES): Add c-pragma.h.
12922 * c-parser.c (struct c_token): Add pragma_kind.
12923 (struct c_parser): Add in_pragma.
12924 (c_lex_one_token): Always initialize keyword and pragma_kind.
12925 Extract data for CPP_PRAGMA.
12926 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12927 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12928 Don't allow CPP_PRAGMA_EOL if in_pragma.
12929 (c_parser_consume_pragma): New.
12930 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12931 (c_parser_skip_to_end_of_parameter): Likewise.
12932 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12933 (c_parser_skip_to_pragma_eol): New.
12934 (c_parser_external_declaration): Handle CPP_PRAGMA.
12935 (c_parser_compound_statement_nostart): Likewise.
12936 (c_parser_statement_after_labels): Likewise.
12937 (c_parser_pragma): New.
12938 (pragma_lex): Likewise.
12939 (c_parser_pragma_pch_preprocess): New.
12940 (c_parser_new): Merge into ...
12941 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12943 2006-01-04 Jeff Law <law@redhat.com>
12946 * tree-cfg.c (bsi_replace): Remove the original statement
12947 from the EH throw statement table.
12949 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12951 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12952 make the prototype extern "C" and add throw ().
12955 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12956 and pos non-negative and pos + len <= 32.
12957 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12958 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12959 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12962 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12963 as well as sizes not multiple of component size.
12966 * function.c (instantiate_expr): New function.
12967 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12968 walk its DECL_VALUE_EXPR with instantiate_expr.
12970 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12971 DW_OP_deref{,_size} if address isn't going to be added.
12973 2006-01-04 Ben Elliston <bje@au.ibm.com>
12975 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12976 * config/fp-bit.c: Likewise.
12978 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12980 * dominance.c: Add comment about why we use DFS numbering
12983 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12984 Richard Henderson <rth@redhat.com>
12986 Merge from gomp-branch:
12987 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12988 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12990 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12992 PR rtl-optimization/25578
12993 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12994 pass a parameter to simplify_shift_const if changing ASHIFTRT
12997 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12999 * builtins.c (get_builtin_sync_mem): New function.
13000 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13001 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13002 Call get_builtin_sync_mem to generate mem rtx.
13004 2006-01-03 Richard Guenther <rguenther@suse.de>
13007 * stmt.c (add_case_node): Make sure to clear overflow flags
13010 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13012 Merge from gomp-branch.
13013 * config/sparc/sync.md: New file.
13014 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13015 UNSPECV_LDSTUB): New constants.
13016 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13017 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13018 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13021 2006-01-03 Roger Sayle <roger@eyesopen.com>
13023 * combine.c (reg_subword_p): New predicate to test whether the
13024 destination of a set refers to a subword/piece of a register.
13025 (try_combine): Generalize the code to merge the setting of a
13026 pseudo to a constant followed by a set of a subword of that
13027 register to a constant.
13029 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13031 * basic-block.h (control_flow_graph): Change the type of
13032 x_label_to_block_map to VEC(basic_block,gc) *.
13033 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13034 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13036 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13037 VEC(basic_block,heap) *.
13038 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13039 ssa_prop_fini): Adjust the uses of cfg_blocks.
13041 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13043 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13045 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13046 hashing trees instead of a pointer hash.
13047 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13048 compare for MEM_EXPR.
13050 PR rtl-optimization/25130
13051 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13052 when comparing MEMs for GCSE
13054 2006-01-03 Ben Elliston <bje@au.ibm.com>
13056 * targhooks.h (default_decimal_float_supported_p): Declare.
13057 * targhooks.c (default_decimal_float_supported_p): Define.
13058 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13059 `default_decimal_float_supported_p'.
13060 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13062 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13064 * combine.c (apply_distributive_law <SUBREG>): Check
13065 TRULY_NOOP_TRUNCATION.
13067 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13069 * dwarf2out.c (have_switched_text_section): Delete.
13070 (have_multiple_function_sections): New.
13071 (have_location_lists): Make 'bool'.
13072 (add_AT_loc_list): Use 'true' not '1'.
13073 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13074 (output_loc_list): Use have_multiple_function_sections.
13075 (output_ranges): Likewise.
13076 (dwarf2out_begin_function): Set have_multiple_function_sections if
13078 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13079 Check function_section rather than DECL_SECTION_NAME.
13080 (dwarf2out_finish): Use have_multiple_function_sections.
13081 Don't clear have_location_lists.
13083 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13084 Jan Hubicka <jh@suse.cz>
13086 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13087 case of conditional jump jumping to the next instruction.
13088 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13089 cases of conditional jump jumping to the next instruction.
13091 2006-01-02 Jan Hubicka <jh@suse.cz>
13093 * i386.c (*_cost): Add COSTS_N_INSNS.
13094 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13096 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13099 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13101 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13103 * config/arm/arm.c (all_fpus): Fix comment typo.
13104 * config/darwin.c: Likewise.
13105 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13106 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13107 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13109 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13111 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13112 (rs6000_split_compare_and_swapqhi): New.
13113 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13114 (sync_compare_and_swapqhi_internal): New.
13115 * config/rs6000/rs6000-protos.h: Declare.