1 2006-07-10 Eric Christopher <echristo@apple.com>
3 * config/t-slibgcc-darwin: Rewrite.
5 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
11 2006-07-08 Matthias Klose <doko@debian.org>
13 * doc/sourcebuild.texi: Fix typo.
15 2006-07-07 Mike Stump <mrs@apple.com>
17 * toplev.c (process_options): Don't give -ffunction-sections may
18 affect debugging warning for Mach-O.
20 2006-07-07 James E Wilson <wilson@specifix.com>
22 * config/mips/mips.md (cpu): Add sb1a.
23 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
24 addition to sb1. Adjust comments to clarify SB-1A differences from
26 (ir_sb1a_load): New. Modify bypasses to use it.
27 (ir_sb1a_simple_alu): Likewise.
28 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
29 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
30 (mips_issue_rate): Add PROCESSOR_SB1A.
31 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
32 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
33 (TARGET_SB1): Add PROCESSOR_SB1A check.
36 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
37 * config/mips/mips.c (mips_store_data_bypass_p): New.
38 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
41 2006-07-08 Paul Brook <paul@codesourcery.com>
44 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
46 2006-07-07 Richard Guenther <rguenther@suse.de>
49 * tree.h (build_one_cst): Declare.
50 * tree.c (build_one_cst): New function.
51 * tree-ssa-math-opts.c (get_constant_one): Remove.
52 (insert_reciprocals): Use build_one_cst.
53 * fold-const.c (fold_plusminus_mult): Likewise.
55 2006-07-07 Roger Sayle <roger@eyesopen.com>
57 * pointer-set.c (pointer_set_destroy): Correct whitespace.
58 * cfgloopanal.c (dump_graph): Likewise.
59 * dojump.c (discard_pending_stack_adjust): Likewise.
60 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
62 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
63 * function.c (finalize_block_changes): Likewise.
64 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
65 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
66 * rtl.c (dump_rtx_statistics): Likewise.
67 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
69 * varray.c (dump_varray_statistics): Likewise.
70 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
71 decode_decimal64, encode_decimal128, decode_decimal128,
72 decimal_real_to_decimal): Likewise.
74 2006-07-07 Richard Guenther <rguenther@suse.de>
76 PR tree-optimization/28187
77 * tree-vrp.c (vrp_operand_equal_p): New function.
78 (vrp_bitmap_equal_p): Likewise.
79 (update_value_range): Use them to compare old and new
82 2006-07-06 Roger Sayle <roger@eyesopen.com>
84 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
85 a default case to switch statement to silence compiler warnings.
87 2006-07-06 Roger Sayle <roger@eyesopen.com>
90 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
91 the configured assembler supports the x87's ffreep mnemonic.
92 * configure: Regenerate.
93 * config.in: Regenerate.
95 * config/i386/i386.c (output_387_ffreep): New function.
96 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
97 (output_387_reg_move): Likewise.
99 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
101 Port to hosts whose 'sort' and 'tail' implementations
102 treat operands with leading '+' as file names, as POSIX
103 has required since 2001. However, make sure the code still
104 works on pre-POSIX hosts.
105 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
106 which says you should use "tail -c +N" rather than "tail +Nc".
107 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
109 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
111 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
114 2006-07-06 David Edelsohn <edelsohn@gnu.org>
117 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
118 PRE_{INC,DEC} of TFmode.
120 2006-07-06 David Edelsohn <edelsohn@gnu.org>
121 Alan Modra <amodra@bigpond.net.au>
124 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
127 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
130 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
131 Remove duplicate gtu.
133 2006-07-05 Jason Merrill <jason@redhat.com>
137 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
138 * c-common.c (handle_packed_attribute): So don't copy it here.
139 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
141 2006-07-05 Mike Stump <mrs@apple.com>
143 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
145 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
148 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
150 2006-07-05 Richard Guenther <rguenther@suse.de>
153 * config/i386/i386.md (*negdf2_1): Restrict pattern to
154 TARGET_SSE2 targets if using SSE math.
155 (*absdf2_1): Likewise.
157 2006-07-05 Richard Guenther <rguenther@suse.de>
159 PR tree-optimization/28162
160 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
161 make sure to convert the operands to the correct type.
163 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
165 PR tree-optimization/28218
167 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
168 to calculate and free the dominator information.
170 2006-07-04 Peter O'Gorman <peter@pogma.com>
172 * mklibgcc.in: chmod 644 before ranlib during install.
174 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
175 J"orn Rennecke <joern.rennecke@st.com>
177 * configure.ac (.eh_frame data check): Use diff -b.
179 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
182 * Makefile.in (BUILD_RTL): Add build/vec.o.
183 (build/gencondmd.o): Filter out -fkeep-inline-functions.
184 (build/genextract): Delete.
185 (build/genautomata): Likewise.
187 2006-07-04 Alan Modra <amodra@bigpond.net.au>
190 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
191 128-bit IBM long doubles for ABI_V4.
193 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
195 * tree.c (range_in_array_bounds_p): New predicate.
196 * tree.h (range_in_array_bounds_p): Declare it.
197 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
198 return a less conservative answer.
199 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
201 (IS_ELEMENT_FOR_GROUP): New macro.
202 (FOR_EACH_ACTUAL_CHILD): Likewise.
203 (next_child_for_group): New helper function.
204 (can_completely_scalarize_p): Take into account groups.
205 (sra_hash_tree): Handle RANGE_EXPR.
206 (sra_elt_eq): Likewise.
207 (lookup_element): Be prepared for handling groups.
208 (is_valid_const_index): Delete.
209 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
210 instead of is_valid_const_index.
211 <ARRAY_RANGE_REF>: New case.
212 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
213 is_valid_const_index.
214 <ARRAY_RANGE_REF>: Do not unconditionally punt.
215 (scan_dump): Dump info for groups too.
216 (decide_instantiation_1): Likewise.
217 (decide_block_copy): Assert that the element is not a group.
218 Propagate decision to groups.
219 (generate_one_element_ref): Handle RANGE_EXPR.
220 (mark_no_warning): Iterate over actual childs.
221 (generate_copy_inout): Likewise.
222 (generate_element_copy): Likewise.
223 (generate_element_zero): Likewise.
224 (generate_element_init_1): Likewise.
225 (dump_sra_elt_name): Handle RANGE_EXPR.
227 2006-07-03 Roger Sayle <roger@eyesopen.com>
229 PR tree-optimization/26251
230 * tree-ssa-threadupdate.c (redirection_block_p): New function.
231 (thread_block): When optimizing for size refuse to thread jumps
232 that would require duplication of blocks other than redirection
235 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
237 * configure.ac: Fix thinko in previous check-in.
238 * configure: Regenerate.
240 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
243 * configure.ac (for lang...): Simplify nesting of conditionals.
244 Test subdir_requires for non-enabled languages. Move processing
245 of lang_opt_files and lang_tree_fiels below that test.
246 * configure: Regenerate.
247 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
249 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
251 * doc/gcov.texi (Invoking Gcov): Add a missing word.
253 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
255 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
258 2006-06-29 Jason Merrill <jason@redhat.com>
265 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
266 * c-common.c (c_determine_visibility): Handle it here.
267 * c-decl.c (finish_decl): Call c_determine_visibility for
269 * flags.h (enum symbol_visibility): Sort from most to least visibility.
271 * varasm.c (default_assemble_visibility): Likewise.
272 * c-common.c (handle_visibility_attribute): Complain about trying
273 to give visibility to an already defined class, or trying to change
274 declared visibility. Always attach the attribute.
279 * attribs.c (decl_attributes): Ignore type-in-place attributes
280 once the type has been defined.
282 2006-06-29 Roger Sayle <roger@eyesopen.com>
285 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
286 to indicate the cpplib has issued an error message for us.
288 2006-06-29 Asher Langton <langton2@llnl.gov>
291 * config/i386/i386.c (ix86_output_function_epilogue): Don't
292 insert a label at the end of an function under Mach-O.
294 2006-06-29 Eric Christopher <echristo@apple.com>
295 Evan Cheng <evan.cheng@apple.com>
297 * predicates.md (vector_all_ones_operand): New.
298 (nonimmediate_or_sse_const_operand): Ditto.
299 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
300 * config/i386/i386.c (standard_sse_constant_opcode): Define.
301 (standard_sse_mode_p): Ditto.
302 (standard_sse_constant_p): Add case for -1 vector.
303 (ix86_expand_vector_move): Try to use.
304 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
305 Call standard_sse_constant_opcode.
306 (*movv4sf_internal): Ditto.
307 (*movv2df_internal): Ditto.
309 2006-06-29 Roger Sayle <roger@eyesopen.com>
311 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
312 of XEXP to extract the operands of a MATCH_CODE rtx.
314 2006-06-28 Andrew Pinski <pinskia@gmail.com>
316 * tree.c (tree_size): Do not waste tail padding in
317 struct tree_string and make the size be the same as
318 build_string will generate.
320 2006-06-28 Jason Merrill <jason@redhat.com>
323 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
324 may_aliases already in the tag's annotations to the bitmap.
326 2006-06-28 Roger Sayle <roger@eyesopen.com>
328 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
330 2006-06-28 Roger Sayle <roger@eyesopen.com>
332 * genpreds.c (generate_switch_p): New function.
333 (add_mode_tests): Push the new mode test down inside an AND expr
334 if this allows the switch-suitable MATCH_CODE to be near the root.
335 (write_match_code_switch): New function to write a MATCH_CODE as
337 (write_predicate_stmts): New function to write a predicate RTX
338 expression as a sequence of statements.
339 (write_one_predicate_function): Use write_predicate_stmts.
340 (write_tm_constrs_h): Likewise.
342 2006-06-26 Fred Fish <fnf@specifix.com>
344 * config/mips/t-sb1: New file.
345 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
348 2006-06-26 DJ Delorie <dj@redhat.com>
350 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
352 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
353 Jayant Sonar <jayants@kpitcummins.com>
354 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
356 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
357 (subsi3, subsi3_1, subsi3_2): New.
358 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
359 * config/m32c/mov.md (SI mov peephole): New.
360 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
361 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
363 2006-06-26 Olivier Hainque <hainque@adacore.com>
365 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
366 a CALL_EXPR target function declaration.
368 2006-06-26 Richard Guenther <rguenther@suse.de>
370 * tree.c (build_string): Do not waste tail padding in
373 2006-06-26 Richard Guenther <rguenther@suse.de>
375 * ggc-page.c (init_ggc): Add missing element to size_lookup
379 2006-06-23 Richard Guenther <rguenther@suse.de>
381 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
382 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
383 alignment requests instead. Add verification code.
384 Add struct tree_function_decl and struct tree_binfo size to
385 extra_order_size_table. Add missing element to size_lookup
388 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
391 * fold-const.c (const_binop): Be prepared for self returning zero.
392 Simplify code handling complex values.
394 2006-06-24 Olivier Hainque <hainque@adacore.com>
396 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
397 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
400 2006-06-24 Olivier Hainque <hainque@adacore.com>
402 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
403 ARRAY_REF, so have the callback called for the low bound expression.
405 2006-06-23 Janis Johnson <janis187@us.ibm.com>
407 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
408 * c-typeck.c (c_common_type): Disallow operations on decimal float
409 types and other float types.
410 * convert.c (convert_to_real): Don't ignore conversions involving
413 2006-06-23 Olivier Hainque <hainque@adacore.com>
415 * tree.c (max_int_size_in_bytes): New function, inspired from
416 code in function.c:assign_temp.
417 * tree.h (max_int_size_in_bytes): Declare.
418 * function.c (assign_temp): Use it.
419 * gimplify.c (create_tmp_var): Relax the assertions on the type
420 properties, not mandating constant size any more.
421 (force_constant_size): New static function.
422 (gimple_add_tmp_var): Use it, forcing variable size to a
423 constant upper bound if it is not constant on entry.
425 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
428 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
429 for initialization and setting of one_only flag to ...
430 (i386_pe_encode_section_info): ...here.
431 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
432 Recheck that the symbol has not been defined.
434 2006-06-23 Richard Guenther <rguenther@suse.de>
436 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
437 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
438 alignment requests instead. Add verification code.
439 Add struct tree_function_decl and struct tree_binfo size to
440 extra_order_size_table. Add missing element to size_lookup
443 2006-06-22 Roger Sayle <roger@eyesopen.com>
444 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
447 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
448 call to lang_hooks.types.type_for_mode returned NULL_TREE.
450 2006-06-23 Ben Elliston <bje@au.ibm.com>
452 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
453 negate dn -- manipulate it directly.
455 2006-06-22 Roger Sayle <roger@eyesopen.com>
456 Steven Bosscher <stevenb.gcc@gmail.com>
459 * reload1.c (gen_reload): Call mark_jump_label on the new insns
460 generated by gen_move_insn to add REG_LABEL notes if necessary.
462 2006-06-22 Bob Wilson <bob.wilson@acm.org>
464 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
465 (leaf_entry): Remove use of MIN_ESA.
467 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
469 PR rtl-optimization/28121
470 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
473 2006-06-21 DJ Delorie <dj@redhat.com>
475 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
477 (mulhisi3_r): Likewise.
479 2006-06-21 Richard Sandiford <richard@codesourcery.com>
482 * coverage.c (coverage_counter_alloc): Leave the index type
484 (coverage_counter_alloc): Use null arguments for operands 2 and 3
487 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
489 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
490 section from the "Options for Code Generation Conventions".
492 2006-06-21 Richard Henderson <rth@redhat.com>
496 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
498 (global_symbolic_operand): Allow weak symbols, even if local_p.
500 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
502 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
503 (find_interesting_uses_address): Punt if above function returns true.
505 2006-06-21 Richard Guenther <rguenther@suse.de>
507 * configure: Regenerated.
509 2006-06-21 Joseph Myers <joseph@codesourcery.com>
511 * config/mips/mips.c (function_arg): Where one part of a
512 complex argument is in registers and the other part in the stack,
513 return a REG not a PARALLEL.
515 2006-06-21 Mark Mitchell <mark@codesourcery.com>
517 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
518 when cross-compiling. Do not substitute libstdcxx_incdir.
519 * configure: Regenerated.
521 2006-06-21 Jakub Jelinek <jakub@redhat.com>
523 * varasm.c (mergeable_string_section): Check for embedded NULs and
524 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
525 rather than TREE_STRING_LENGTH bytes.
527 2006-06-21 Richard Guenther <rguenther@suse.de>
529 * ggc-page.c (extra_order_size_table): Add var_ann_d,
530 tree_ssa_name, bitmap_element and phi_node with 4 arguments
533 2006-06-21 Richrad Guenther <rguenther@suse.de>
535 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
536 Limit iteration over the dominators.
538 2006-06-20 Roger Sayle <roger@eyesopen.com>
540 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
541 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
543 2006-06-20 Richard Guenther <rguenther@suse.de>
544 Michael Matz <matz@suse.de>
546 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
548 * alloc-pool.c (free_alloc_pool_if_empty): New function.
549 * et-forest.h (et_free_pools): Prototype new function.
550 * et-forest.c (et_free_tree_force): Free parent occurrence.
551 (et_free_pools): New function.
552 * dominance.c (free_dominance_info): Free et-forest alloc
555 2006-06-20 Roger Sayle <roger@eyesopen.com>
557 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
558 integer modes, attempt to directly construct an integer constant.
560 * fold-const.c (native_encode_vector): Determine the size of each
561 element from the vector type instead of the first vector element.
563 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
564 if all of its elements/components are constant.
565 (build_constructor_from_list): Likewise.
567 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
569 PR tree-optimization/27331
570 * tree-data-ref.c (free_data_ref): New function.
571 (create_data_ref): Fail if the data reference has unknown access
573 (free_data_refs): Use free_data_ref.
575 2006-06-19 Andrew Pinski <pinskia@gmail.com>
578 * tree-inline.c (setup_one_parameter): Strip useless
579 type conversion before adding it to the IR.
580 (declare_return_variable): Likewise.
582 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
585 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
587 2006-06-19 Mike Stump <mrs@apple.com>
589 * tree.c (variably_modified_type_p): VM arguments don't make the
592 2006-06-19 Richard Guenther <rguenther@suse.de>
594 * tree-ssa-pre.c (try_combine_conversion): Strip useless
595 type conversions after folding.
597 2006-06-19 Richard Guenther <rguenther@suse.de>
599 * ggc-page.c (extra_order_size_tab): Add entries with
600 size of struct function and basic_block.
601 (size_lookup): Extend to cover sizes up to 511.
602 (ggc_alloc_stat): Adjust user.
603 (ggc_pch_count_object): Likewise.
604 (ggc_pch_alloc_object): Likewise.
605 (ggc_pch_write_object): Likewise.
607 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
609 * tree-ssa-loop-niter.c (implies_ge_p): New function.
610 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
613 2006-06-19 Denis Chertykov <denisc@overta.ru>
615 * config/avr/libgcc.S : Correct my wrong previous commit.
617 2006-06-19 Roger Sayle <roger@eyesopen.com>
620 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
621 have stripped a SUBREG from the shift count, so we may need to
622 convert_to_mode back to the type's mode before calling make_tree.
623 Use new_amount instead of amount to avoid expanding a tree twice.
625 2006-06-19 Richard Guenther <rguenther@suse.de>
628 * fold-const.c (operand_equal_p): Check if the argument types
629 have the same precision before stripping NOPs.
631 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
633 Fix PR tree-optimization/27341
634 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
636 * tree-complex.c (pass_lower_complex): Update SMT usage.
638 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
640 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
641 Add a new alternative to the constraint strings. Add move of
642 operand 1 to 3 to the splitter definition.
643 ("doloop_si_long"): Second contraint alternative removed.
645 2006-06-08 Anatoly Sokolov <aesok@post.ru>
647 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
648 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
650 (AVR_HAVE_MOVW) Define.
651 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
652 (ASM_SPEC): Add avr25.
653 (LINK_SPEC): Add avr25.
654 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
655 (base_arch_s): Add new member 'have_movw_lpmx'.
656 (avr_arch_types): Init 'have_movw_lpmx'.
657 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
658 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
659 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
660 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
661 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
663 (avr_file_start): Do not output '.arh' derective.
664 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
665 (__do_copy_data): Use __AVR_HAVE_LPMX__.
666 * config/avr/avr.md (mcu_enhanced): Delete.
667 (mcu_have_movw): Define.
668 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
669 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
670 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
671 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
672 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
673 attiny861 and at86rf401 devices.
675 2006-06-18 Jie Zhang <jie.zhang@analog.com>
677 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
680 2006-06-17 Karl Berry <karl@gnu.org>
682 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
683 doc/gccint.texi, doc/install.texi (@dircategory): Use
684 "Software development" instead of "Programming", following
685 the Free Software Directory.
687 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
689 * config/i386/i386.c (legitimate_tls_address)
690 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
691 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
692 (*tls_dynamic_gnu2_combine_64): Likewise.
694 2006-06-16 Richard Guenther <rguenther@suse.de>
697 * fold-const.c (negate_expr_p): Do not introduce undefined
698 overflow in negating INTEGER_CSTs.
699 (fold_negate_expr): Rename from negate_expr. Revert last
700 change for folding BIT_NOT_EXPR. Change semantics to
701 return NULL_TREE for non-simplified negations. Do not
702 strip type conversions and unify type handling.
703 (negate_expr): New function, wrap around fold_negate_expr
704 but ensure building a tree always. Strip type conversions
705 here, fold to result type.
706 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
708 2006-06-16 Roger Sayle <roger@eyesopen.com>
711 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
712 that (would) return their results in stack registers.
714 2006-06-16 Michael Matz <matz@suse.de>
715 Richard Guenther <rguenther@suse.de>
717 * fold-const.c (fold_truthop): Only return new tree node if
718 we canonicalized something.
720 2006-06-16 Richard Guenther <rguenther@suse.de>
722 * function.h (enum function_frequency): Move declaration
723 out of struct function.
724 (struct function): Move bool fields and the enum to the bitfield
725 section. Reorder elements to avoid padding. Remove unused
726 fields left over from the RTL inliner removal.
727 * function.c (free_after_compilation): Do not zero removed fields.
728 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
729 (ipa-type-escape.o): Likewise.
731 2006-06-16 Richard Guenther <rguenther@suse.de>
733 * cgraph.h (struct cgraph_local_info): Turn bool elements
735 (struct cgraph_node): Likewise.
736 (struct cgraph_varpool_node): Likewise.
738 2006-06-15 Richard Guenther <rguenther@suse.de>
740 * fold-const.c (fold_truth_not_expr): Rename from
741 invert_truthvalue. Give it fold_* semantics to avoid
743 (invert_truthvalue): New function. Wrapper around
745 (optimize_minmax_comparison): Avoid creating garbage.
746 (fold_unary): Use fold_truth_not_expr for folding
748 (fold_ternary): Replace uses of invert_truthvalue with
749 fold_truth_not_expr where applicable.
750 * tree.h (fold_truth_not_expr): Prototype.
752 2006-06-16 Richard Guenther <rguenther@suse.de>
754 PR tree-optimization/27781
755 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
756 * ipa-pure-const.c (target.h): Include.
757 (analyze_function): Do not analyze functions that do not
760 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
763 * tree-dfa.c (referenced_vars_dup_list): Remove.
764 (find_referenced_vars): Remove assert.
765 (referenced_var_check_and_insert): Replace dup list with assert.
766 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
767 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
769 2006-06-15 Richard Guenther <rguenther@suse.de>
771 * tree-ssa-structalias.c (alias_get_name): Avoid creating
772 extra unused identifiers if not dumping.
773 (create_variable_info_for): Likewise.
775 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
777 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
778 (derive_constant_upper_bound): Derive more precise upper bound in
779 common cases. Return type changed to double_int.
780 (record_estimate): Reflect the changed return type of
781 derive_constant_upper_bound.
782 * double-int.c (double_int_zext, double_int_sext): Fix.
784 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
786 * configure.ac (CFLAGS): Get them from the toplevel or from the
787 configure invocation.
788 * configure: Regenerate.
789 * Makefile.in (CFLAGS): Substitute value provided by configure.
791 2006-06-14 Mark Mitchell <mark@codesourcery.com>
794 * c-common.h (c_finish_omp_atomic): Adjust declaration.
795 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
796 rather than calling add_stmt on it.
797 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
799 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
802 * reload1.c (reload): Remove registers returned by update_eliminables
803 from used_spill_regs.
805 2006-06-13 DJ Delorie <dj@redhat.com>
807 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
809 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
811 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
812 html__strip_dir, html__mkdir_p. Enhance install-html target.
813 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
814 * configure: Regenerate.
816 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
818 * fold-const.c (fold_cond_expr_with_comparison): Check for
819 Objective-C++ as language in deciding COND_EXPR transformation.
821 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
824 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
825 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
826 * config/sh/lib1funcs.h (SL, SL1): Define.
827 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
828 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
829 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
830 (OBJS_Os_4_200): New variable.
831 ($(T)libgcc-Os-4-200.a): Use it.
832 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
833 when dividing 1 and/or by 0.
835 2006-06-13 Roger Sayle <roger@eyesopen.com>
837 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
838 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
839 * configure: Regenerate.
841 2006-06-13 Jie Zhang <jie.zhang@analog.com>
843 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
844 for real instruction.
846 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
849 * haifa-sched.c (check_cfg): Handle special case.
851 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
854 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
855 Add debug_info parameter. Chain the vars to the BLOCK instead
856 of the BIND_EXPR if debug info are requested for them.
857 (pop_gimplify_context): Adjust for above change.
858 (gimple_add_tmp_var): Likewise.
859 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
861 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
862 (convert_local_reference): Likewise.
863 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
864 (finalize_nesting_tree_1): Request that debug info be emitted
867 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
869 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
872 2006-06-13 Richard Guenther <rguenther@suse.de>
875 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
877 2006-06-13 Richard Guenther <rguenther@suse.de>
879 PR tree-optimization/27830
880 * tree-inline.c (copy_body_r): For copying the operand
881 of an ADDR_EXPR make sure to fold &* afterwards.
883 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
885 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
886 lvalues in the fb_none case with side-effects.
888 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
890 * tree-flow.h: Remove the prototype for
891 compute_phi_arg_on_exit.
892 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
893 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
896 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
898 * builtins.c (expand_builtin_return_addr): Only use
899 frame_pointer_rtx when count == 0 and we are expanding
900 __builtin_return_address.
902 2006-06-12 Fred Fish <fnf@specifix.com>
904 * config/mips/mips.c (mips_file_start): Create special section
905 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
907 2006-06-11 Eric Christopher <echristo@apple.com>
910 * stor-layout.c (place_field): Remove check for
911 remaining_in_alignment when aligning at the end of a run.
913 2006-06-11 Eric Christopher <echristo@apple.com>
916 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
919 2006-06-11 Roger Sayle <roger@eyesopen.com>
922 Revert incorrect fix for PR target/27158
923 2006-05-08 Roger Sayle <roger@eyesopen.com>
924 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
925 of a reg_equiv_constant if the result is a legitimate constant.
927 2006-06-11 Roger Sayle <roger@eyesopen.com>
930 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
931 extract a CONST_VECTOR element and interpret it as an integer.
932 (vspltis_constant): Use const_vector_elt_as_int instead of the
933 macro CONST_VECTOR_ELT in order to handle FP vector modes.
934 * config/rs6000/predicates.md (easy_vector_const): Consider
935 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
937 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
940 * stor-layout.c (update_alignment_for_field): Don't add extra
941 alignment for packed non-bitfield fields in ms_bitfield_layout_p
944 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
946 * config/mips/t-rtems: Add EL/EB multilib variants.
948 2006-06-09 Mike Stump <mrs@apple.com>
950 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
952 2006-06-09 David Daney <ddaney@avtrex.com>
954 * doc/install.texi: Add binutils version recommendation for mips-*-*.
956 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
958 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
960 2006-06-09 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/26998
963 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
964 of signed types, only TYPE_MIN_VALUE is special, but for both,
965 minimum and maximum value. Likewise VR_ANTI_RANGE is special
966 in this case, as is -fwrapv.
968 2006-06-08 Mike Stump <mrs@apple.com>
971 * config/darwin.c (darwin_asm_output_anchor): Disable
972 -fsection-anchors on darwin for now.
973 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
974 * rs6000/rs6000.c (optimization_options): Likewise.
976 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
979 * config/i386/i386.c (classify_argument): Skip fields with invalid
982 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
984 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
985 (cse_insn): Likewise for the stack_pointer_rtx.
987 2006-06-08 Roger Sayle <roger@eyesopen.com>
989 * tree-ssa-dom.c (record_conditions): Only record "unordered"
990 conditions from floating point comparisons.
992 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
995 * expmed.c (struct alg_hash_entry): Fix type of field T
996 to match synth_mult argument.
997 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
999 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1002 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1005 2006-06-08 Richard Guenther <rguenther@suse.de>
1008 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1009 only, if overflow is defined and not trapping.
1010 (negate_expr): Likewise.
1012 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1014 PR tree-optimization/27872
1015 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1016 flag on the new exit edge of the unrolled loop.
1018 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1020 PR rtl-optimization/26449
1021 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1023 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1026 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1027 referenced_variables with matching DECL_UID's.
1028 (find_referenced_vars): Make sure duplicate list is empty to start.
1029 (referenced_var_p): Remove.
1030 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1031 Check if var is in the list, and add if needed. Update the duplicate
1032 list if a different var is in the list with the same DECL_UID.
1033 (add_referenced_var): Call routine to check and insert.
1034 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1035 * tree-flow.h (referenced_vars_dup_list): External declaration.
1037 2006-06-07 Fred Fish <fnf@specifix.com>
1039 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1042 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1045 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1046 the imaginary and real parts of a clobbered register.
1047 Emit insn to set the imaginary part.
1049 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1051 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1052 in lieu of unwind-dw2-fde.c.
1054 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1056 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1058 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1061 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1062 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1063 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1064 V4SImode temporaries and operations instead.
1066 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1068 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1071 2006-06-06 Mike Stump <mrs@apple.com>
1073 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1074 installing during build.
1076 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1078 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1080 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1081 * config/ia64/ia64.c (params.h): New header.
1082 (ia64_optimization_options): New function to adjust parameters.
1083 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1084 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1085 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1087 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1089 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1091 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1094 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1096 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1097 Victor Kaplansky <victork@il.ibm.com>
1099 PR tree-optimization/26360
1100 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1103 2006-06-04 Roger Sayle <roger@eyesopen.com>
1104 Andrew Pinski <pinskia@physics.uc.edu>
1107 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1108 for LABEL_DECL before calling DECL_WEAK.
1111 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1112 LABEL_DECL and PARM_DECL.
1114 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1118 * c-decl.c (grokdeclarator): Disallow variably modified types at
1119 file scope. Avoid marking shared array type of constant size as
1122 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1125 * c-common.c (fold_offsetof_1): Handle static members.
1127 2006-06-04 Eric Christopher <echristo@apple.com>
1129 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1130 (debug_rli): Output value for remaining_in_alignment.
1131 (update_alignment_for_field): Unconditionalize
1132 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1133 extra alignment code.
1134 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1135 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1136 * tree.h (record_layout_info_s): Remove prev_packed.
1137 * doc/extend.texi (ms_struct): Add documentation of format.
1139 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1141 * tree.h: Declare folding_initializer.
1142 * builtins.c (fold_builtin_constant_p): Give definite answer
1143 if folding inside an initializer.
1144 * fold-const.c: Define folding_initializer.
1145 (START_FOLD_INIT): Save and then set folding_initializer.
1146 (END_FOLD_INIT): Restore folding_initializer.
1148 2006-06-04 Richard Guenther <rguenther@suse.de>
1150 PR tree-optimization/27039
1151 * fold-const.c (fold_comparison): Handle pointer comparison
1152 again for all comparison codes. Compare offsets in signed
1154 (fold_binary): Move code from here.
1156 2006-06-03 Roger Sayle <roger@eyesopen.com>
1159 * config/i386/i386.c (construct_container): Split static issued_error
1160 flag into issued_sse_arg_error, issued_sse_ret_error and
1161 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1162 requires the use of x87 registers and the user explicitly
1163 specified the -mno-80387 command line option.
1165 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1167 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1168 HAVE_DECL_SIGALTSTACK.
1170 (segv_handler): Use MC_FLD.
1171 * configure.ac: Check for a sigaltstack declaration.
1172 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1173 * configure: Regenerate.
1174 * config.in: Regenerate.
1176 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1179 * Makefile.in (stmp-fixinc): Fix typo.
1181 2006-06-02 Roger Sayle <roger@eyesopen.com>
1183 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1184 are type correct. Clean-up.
1185 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1186 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1188 2006-06-01 DJ Delorie <dj@redhat.com>
1190 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1191 shift, as we've disabled the "switch" insn that needs it.
1193 2006-06-01 Per Bothner <bothner@bothner.com>
1195 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1196 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1197 * c-ppoutput.c (cb_define): Don't increment line 0.
1199 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1201 * doc/invoke.texi: Add cpu_type power6.
1202 * config.gcc: Add cpu_type power6.
1203 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1204 to power5+ with Altivec.
1205 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1206 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1208 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1210 * config/avr/avr.h (SET_ASM_OP): Define.
1212 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1214 * config/bfin/bfin.c: Fix comment typos.
1216 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1219 * doc/install.texi: Document --enable-bootstrap and
1220 --disable-bootstrap.
1222 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1224 * doc/install.texi: Document that InfoZIP can replace jar.
1226 2006-05-31 Roger Sayle <roger@eyesopen.com>
1228 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1229 isn't available, directly generate the simpler x87 patterns without
1230 the (use (const_int 0)).
1231 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1232 implementation isn't available.
1233 (*negdf2_1): Likewise.
1234 (*negxf2_1): XF mode negation is always done using the x87.
1235 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1237 2006-05-31 Roger Sayle <roger@eyesopen.com>
1239 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1240 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1242 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1244 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1246 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1247 * config/bfin/bfin.c (basic-block.h): Include.
1248 (struct machine_function): New.
1249 (bfin_init_machine_status): New.
1250 (override_options): Initialize init_machine_status.
1251 (bfin_hardware_loop): New.
1252 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1253 (DEF_VEC_P (loop_info)): New.
1254 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1255 (struct loop_info): New.
1256 (loop_info): New typedef.
1257 (struct loop_work): New.
1258 (loop_work): New typedef.
1259 (DEF_VEC_O (loop_work)): New.
1260 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1261 (bfin_dump_loops): New.
1262 (bfin_bb_in_loop): New.
1263 (bfin_scan_loop): New.
1264 (bfin_optimize_loop): New.
1265 (bfin_reorg_loops): New.
1266 (bfin_reorg): Use bfin_reorg_loops.
1267 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1269 (I_REGNO_P): Simplify.
1270 (DP_REGNO_P, DPREG_P): New macros.
1271 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1272 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1273 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1274 Add LT_REGS, LC_REGS, LB_REGS.
1275 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1277 (REGNO_REG_CLASS): Deal with loop registers.
1278 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1280 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1281 New constants for loop registers.
1282 (UNSPEC_LSETUP_END): New.
1283 (seq_insns): New define_attr. Set it for appropriate insns.
1284 (movsi_insn): Add alternatives for move from/to
1285 loop count registers.
1286 (doloop_end): New define_expand.
1287 (loop_end): New define_insn.
1288 (define_split for bad doloop_end): New.
1289 (lsetup_with_autoinit): New define_insn.
1290 (lsetup_without_autoinit): New define_insn.
1291 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1292 * config/bfin/predicates.md (lc_register_operand): New.
1293 (lt_register_operand): New.
1294 (lb_register_operand): New.
1295 (nondp_register_operand): New.
1296 (nondp_reg_or_memory_operand): New.
1297 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1299 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1301 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1302 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1304 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1306 * Makefile.in (CATALOGS): Add po/ prefix.
1307 * configure: Regenerated.
1309 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1312 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1313 a shift operand before calling shift_op. Avoid redundant call of
1316 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1317 DJ Delorie <dj@redhat.com>
1319 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1320 we're inserting is a singlt-bit constant.
1322 2006-05-30 Roger Sayle <roger@eyesopen.com>
1324 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1325 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1327 2006-05-30 Roger Sayle <roger@eyesopen.com>
1329 PR tree-optimization/23452
1330 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1331 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1332 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1333 complex values and with -ffast-math for FP complex values.
1335 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1337 * c-common.h: Remove the prototype for yyparse.
1338 * rtl.h: Remove the prototype for init_loop.
1340 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1342 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1345 2006-05-30 Roger Sayle <roger@eyesopen.com>
1347 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1349 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1350 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1352 2006-05-30 Dirk Mueller <dmueller@suse.de>
1355 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1356 for CONSTANT_CLASS_P expresisons.
1358 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1361 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1363 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1365 PR tree-optimization/27779
1366 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1367 initial_condition instead of CHREC_LEFT.
1369 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1371 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1372 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1373 Make prototypes ISO C90.
1375 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1376 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1378 * see.c (see_analyze_one_def): Correct check.
1379 (see_get_extension_data): Check if extension is parallel.
1380 (see_get_extension_reg): Likewise.
1382 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1385 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1386 into register for (code == GTU).
1388 2006-05-29 Roger Sayle <roger@eyesopen.com>
1390 PR tree-optimization/24964
1391 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1392 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1393 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1394 abs(x)*abs(x) as x*x for scalar floating point modes.
1396 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1399 * lambda-code.c (perfect_nestify): Don't copy statements
1400 in the inner loop: move them to the inner loop header.
1402 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1405 * c-tree.texi: Document OpenMP directives and clauses.
1407 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1409 * varasm.c (globalize_decl): Fix indentation.
1411 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1414 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1415 pass_fre, pass_store_ccp, pass_copy_prop,
1416 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1417 pass_return_slot, pass_object_size, pass_lim,
1418 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1419 pass_loop_prefetch and pass_stdarg.
1421 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1423 * config/bfin/bfin.opt (mfdpic): New option.
1424 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1425 (EXTRA_MULTILIB_PARTS): Likewise.
1426 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1427 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1429 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1430 (CRT_CALL_STATIC_FUNCTION): New.
1431 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1433 (CRT_CALL_STATIC_FUNCTION): New.
1434 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1436 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1437 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1438 (initialize_trampoline): Changed to handle FD-PIC code generation.
1439 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1440 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1441 (override_options): Disallow -mid-shared-library -mfdpic combination.
1442 Can't do unaligned ops if FD-PIC.
1443 Turn off flag_pic if trying to generate non-id-shared-library
1444 non-fdpic code, since it's not supported.
1445 (bfin_assemble_integer): New function.
1446 (TARGET_ASM_INTEGER): Define.
1447 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1449 * config/bfin/crtn.s: Restore them.
1450 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1452 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1453 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1454 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1455 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1456 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1458 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1459 FDPIC_REGS and FDPIC_FPTR_REGS.
1460 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1461 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1462 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1463 (load_funcdescsi): New pattern.
1464 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1465 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1466 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1468 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1470 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1473 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1475 * tree-flow.h: Remove the prototype for add_type_alias.
1476 * tree-ssa-alias.c (add_type_alias): Remove.
1478 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1480 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1481 config/fr30/fr30.md, config/i386/i386-interix.h,
1482 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1483 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1484 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1485 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1486 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1487 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1488 Follow spelling conventions.
1489 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1490 Follow spelling conventions.
1492 2006-05-27 Richard Guenther <rguenther@suse.de>
1495 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1496 to produce a constant of value 1 of generic type.
1498 2006-05-27 Dirk Mueller <dmueller@suse.de>
1500 * cgraphunit.c (decide_is_function_needed): Fix wrong
1503 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1505 PR rtl-optimization/27661
1506 * reload.c (find_reloads): When reloading a VOIDmode constant
1507 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1508 use Pmode as mode of the reload register.
1510 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1512 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1513 is enabled at -O and above.
1515 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1518 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1521 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1524 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1525 for anonymous variables explicitly declared by front ends.
1527 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1529 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1530 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1531 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1532 ref-all pointers, run a finalization pass for them.
1533 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1534 (finalize_ref_all_pointers): New function.
1535 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1536 regular pointer type to a ref-all pointer type.
1537 (get_tmt_for): Return the special memory tag for ref-all pointers.
1539 2006-05-25 Richard Guenther <rguenther@suse.de>
1542 * fold-const.c (fold_binary): Do not look at the stripped
1543 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1545 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1547 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1548 for LT and GT if the computed range is effectively empty.
1550 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1553 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1554 mips_quad_format formats instead of ieee_single_format,
1555 ieee_double_format and ieee_quad_format formats, respectively.
1557 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1559 PR tree-optimization/27639
1560 PR tree-optimization/26719
1561 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1562 call to scev_probably_wraps_p.
1563 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1564 used_in_pointer_arithmetic_p, convert_step): Removed.
1565 (nowrap_type_p): New function.
1566 (scev_probably_wraps_p): Rewritten.
1567 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1568 chrec_convert if chrec_convert_aggressive might have been used.
1569 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1570 scev_direction): New functions.
1571 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1572 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1573 instead of convert_step.
1574 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1575 (convert_step): Declaration removed.
1576 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1578 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1580 * df-core.c: Added to header comments.
1581 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1582 df_ur_bb_info, df_urec_bb_info): Added comments.
1583 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1584 urec, ri problems): Fixed header comments.
1585 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1586 code from df_rd_transfer_function.
1588 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1590 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1591 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1592 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1594 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1596 * expr.c (undefined_operand_subword_p): New.
1597 (emit_move_multi_word): Do not generate move from undefined bits
1598 of a paradoxical subreg.
1600 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1602 PR rtl-optimization/27736
1603 * combine.c (replaced_rhs_value): New variable.
1604 (combine_instructions): Set it.
1605 (distribute_notes): When distributing a note in replaced_rhs_insn,
1606 check whether the value was used in replaced_rhs_value.
1608 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1611 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1612 add_referenced_var instead of add_referenced_tmp_var.
1613 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1614 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1616 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1617 tree_optimize_tail_calls_1): Use add_referenced_var.
1618 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1619 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1620 Use add_referenced_var.
1621 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1622 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1623 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1624 Use add_referenced_var.
1625 * tree-dfa.c (struct walk_state): Remove.
1626 (find_referenced_vars): Remove walk state and vars_found hash table.
1627 (make_rename_temp): Use add_referenced_var.
1628 (find_vars_r): Pass less parameters to add_referenced_var.
1629 (referenced_var_p): New. Is var in referenced_var hash table.
1630 (referenced_var_insert): Assert var isn't already in hash table.
1631 (add_referenced_var): Don't need walk_state parameter. Add var if it
1632 isn't already in the hash table.
1633 (add_referenced_tmp_var): Remove.
1634 (find_new_referenced_vars_1): Use add_referenced_var.
1635 * tree-ssa-pre.c (create_expression_by_pieces,
1636 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1637 Use add_referenced_var.
1638 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1639 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1640 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1642 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1643 vect_create_data_ref_ptr, vect_create_destination_var,
1644 vect_init_vector, vect_build_loop_niters,
1645 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1646 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1647 Use add_referenced_var.
1648 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1649 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1650 (add_referenced_var): Add prototype.
1651 * tree-ssa-structalias.c (get_constraint_for,
1652 intra_create_variable_infos): Use add_referenced_var.
1654 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1656 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1657 big-endian paradoxical subregs.
1658 * var-tracking.c (struct micro_operation_def): Document that,
1659 for modify micro operations, insn is the subsequent instruction.
1660 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1661 (var_reg_set, var_mem_set): ... new functions.
1662 (add_stores): Record subsequent insn.
1663 (compute_bb_dataflow): Use new functions for MO_USE.
1664 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1665 notes after the insn, and modify notes before the insn known
1666 to be the subsequent one.
1667 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1669 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1672 * config/i386/i386.c (ix86_expand_builtin): Use
1673 gen_sse3_monitor64 for TARGET_64BIT.
1675 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1677 PR rtl-optimization/26375
1678 PR rtl-optimization/26855
1679 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1681 (df_ru_bb_local_compute): Reversed statements and removed bogus
1682 comment explaining why they should be in wrong order.
1683 (df_ru_dump, df_rd_dump): Enhanced debug info.
1684 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1686 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1687 reaching uses and fixed space problem.
1689 2006-05-23 Jan Hubicka <jh@suse.cz>
1691 * cgraphunit.c (decide_is_function_needed): Also nested functions
1692 and functions declared inline can be optimized out at -O0.
1694 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1696 * doc/install.texi (Configuration): Remove reference to CrossGCC
1700 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1703 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1704 ix86_compare_emitted is non-NULL.
1706 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1709 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1712 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1714 PR rtl-optimization/25514
1715 * combine.c (replaced_rhs_insn): New variable.
1716 (combine_instructions): Set replaced_rhs_insn when trying to replace
1717 a SET_SRC with a REG_EQUAL note.
1718 (distribute_notes): Use replaced_rhs_insn when determining the live
1719 range of a REG_DEAD register.
1721 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1722 Anatoly Sokolov <aesok@post.ru>
1724 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1725 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1726 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1727 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1728 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1729 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1730 at90usb647, at90usb1286 and at90usb1287 devices.
1731 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1732 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1734 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1736 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1738 2006-05-22 Richard Guenther <rguenther@suse.de>
1741 2006-01-31 Richard Guenther <rguenther@suse.de>
1742 Paolo Bonzini <bonzini@gnu.org>
1744 * doc/install.texi (--disable-libgcc-math): Document.
1746 2006-05-22 Richard Guenther <rguenther@suse.de>
1749 2006-01-31 Richard Guenther <rguenther@suse.de>
1751 * doc/invoke.texi (-msselibm): Document.
1752 * target.h (expand_library_builtin): New target hook.
1753 * builtins.c (expand_builtin): Use expand_library_builtin.
1754 (default_expand_library_builtin): New function.
1755 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1756 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1757 (link_gcc_math_spec): Declare.
1758 (static_specs): Add link_gcc_math_spec.
1759 * expr.h (default_expand_library_builtin): Declare.
1760 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1761 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1762 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1763 * config/i386/i386.opt (msselibm): New target option.
1764 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1765 (ix86_init_sse_abi_builtins): New function.
1766 (ix86_expand_library_builtin): Likewise.
1767 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1768 (override_options): Handle error conditions wrt -msselibm.
1769 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1770 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1771 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1774 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1777 * c-common.c (self_promoting_args_p): Skip erroneous args.
1780 * c-decl.c (finish_struct): Skip erroneous fields.
1782 2006-05-22 Nick Clifton <nickc@redhat.com>
1784 * config/cris/cris.opt (march): Remove VarExists attribute.
1785 (max-stackframe=): Likewise.
1787 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1789 * doc/rtl.texi: Fix a typo.
1790 * see.c: Fix comment typos.
1792 * tree-ssa-structalias.h (alias_info): Remove num_references.
1794 2006-05-21 Mike Stump <mrs@apple.com>
1796 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1798 (darwin_pragma_options): Use BAD instead.
1799 (darwin_pragma_unused): Likewise.
1800 (darwin_pragma_ms_struct): Likewise.
1802 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1804 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1806 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1808 PR rtl-optimization/27671
1809 * simplify-rtx.c (simplify_relational_operation_1): Fix
1810 simplifications of (eq/ne (xor x y) y) and
1811 (eq/ne (xor x y) x).
1813 PR tree-optimization/26622.
1814 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1817 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1819 * tree-cfg.c: Prune whitespace.
1820 (debug_tree_cfg): Point to correct header containing the
1823 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1826 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1828 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1831 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1832 or sorry count is non zero.
1834 2006-05-20 Andreas Schwab <schwab@suse.de>
1836 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1838 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1839 Kenneth Zadeck <zadeck@naturalbridge.com>
1841 PR rtl-optimization/26855
1843 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1845 (df_scan_alloc): Added code to properly handle multiword hard
1846 registers and add all_blocks parameter.
1847 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1848 code to properly handle multiword hard registers.
1849 (df_rescan_blocks): Added code to remove deleted blocks from
1851 (df_ref_create_structure, df_ref_record): Added code to properly
1853 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1854 and set DF_REF_PARTIAL.
1855 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1856 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1857 (df_scan_add_problem): Added flags parameter.
1858 (df_ref_create_structure): Changed switching structure.
1859 (df_bb_refs_record): Fixed case where duplicate artificial refs
1860 were created. Changed location of flags.
1861 (df_record_entry_block_defs): Added code to make stack pointer
1862 live in entry block. Refined cases where frame pointer is needed.
1863 Changed location of flags.
1864 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1865 (df_set_state): Removed function.
1866 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1867 df_insn_create_insn_record, df_insn_refs_delete,
1868 df_ref_create_structure): Formatting changes.
1869 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1870 df_delete_basic_block): New function.
1871 (df_init): Changed location of flags.
1872 (df_add_problem): Added flags parameter and the way flags are
1874 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1875 debug_df_chain): Improved debugging output.
1876 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1877 (df_refs_chain_dump): Removed df parameter.
1878 (df_iterative_dataflow): Added consistency check.
1879 (df_prune_to_subcfg): Made public.
1880 (df_analyze_problem): Added blocks_to_init parameter and made
1882 (df_ref_record, df_bb_refs_record, df_mark_reg,
1883 df_record_exit_block_uses): Whitespace changes.
1884 (df_dump): Whitespace changes.
1885 * df.h: Some reordering to remove forward references.
1886 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1887 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1888 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1889 (dataflow.flags): New field.
1890 (df.flag): Deleted field.
1891 (df_alloc_function): Added additional bitmap parameter.
1892 (df_dependent_problem_function): New type.
1893 (df_problem.changeable_flags): New field.
1894 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1895 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1896 (df_mw_hardreg): New struct.
1897 (DF_INSN_UID_MWS): New macro.
1898 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1900 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1901 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1902 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1903 (df_set_state): Removed function.
1904 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1905 * df-problems.c (df_chain_dump): Removed df parameter.
1906 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1907 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1909 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1910 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1911 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1912 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1913 DF_REF_MUST_CLOBBER cases.
1914 (df_ru_bb_local_compute_process_def,
1915 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1916 df_lr_bb_local_compute, df_ur_bb_local_compute,
1917 df_chain_create_bb): Made subreg aware.
1918 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1919 df_lr_bb_local_compute, df_lr_bb_local_compute,
1920 df_chain_create_bb): Cleanup to use proper macros.
1921 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1922 code to fixup bitvectors.
1923 (df_ri_alloc): Cleared lifetime.
1924 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1925 df_create_unused_note): New function.
1926 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1927 REG_DEAD and REG_UNUSED notes as well as register information.
1928 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1929 df_chains_dump): Fixed crash if problem was never run.
1930 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1931 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1932 df_ri_add_problem): Processes flags in uniform manner.
1933 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1934 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1935 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1936 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1937 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1938 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1939 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1940 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1941 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1942 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1943 * see.c (see_initialize_data): Ditto.
1944 * final.c (rest_of_clean_state) Added regstack_completed.
1945 * rtl.h (regstack_completed): Ditto.
1946 * reg-stack.c (regstack_completed): Ditto.
1948 2006-05-19 Mike Stump <mrs@apple.com>
1950 * c-tree.h (default_conversion): Remove.
1951 * c-common.h (default_conversion): Add.
1953 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1955 * tree-vrp.c (valid_value_p): New function.
1956 (adjust_range_with_scev): Fail if the value of bound is not
1959 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1961 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1962 (mips_fallback_frame_state): Use syscall numbers to determine
1963 the appropriate li instruction for the current ABI. Only use
1964 __NR_sigreturn for o32.
1966 2006-05-19 Nicolas Setton <setton@adacore.com>
1968 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1969 * langhooks.c (lhd_dwarf_name): New function.
1970 * langhooks-def.h (lhd_dwarf_name): Declare.
1971 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1972 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1973 * ada/misc.c (gnat_dwarf_name): New function.
1974 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1976 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1978 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1980 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1981 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1982 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1983 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1984 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1985 determine the size of Wtype, etc.
1986 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1987 (swfloatfuncs): New variable.
1988 (dwfloatfuncs): Likewise.
1989 (lib2funcs): Remove floating-point conversion functions from
1990 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1991 the set of conversion routines needed. Allow entries to specify
1992 an object name, filename and word size. Update users accordingly.
1993 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1994 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1998 2006-02-08 Roger Sayle <roger@eyesopen.com>
2001 * config/fixtfdi.c: New libgcc source file.
2002 * config/fixunstfdi.c: New source file.
2003 * config/floatditf.c: New source file.
2004 * config/floatunditf.c: New souce file.
2005 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2006 files above instead of config/mips/_tilib.c.
2007 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2009 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2011 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2012 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2014 2006-05-18 Mike Stump <mrs@apple.com>
2016 Fix up vla, vm and [*] sematics.
2022 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2023 (c_vla_unspec_p): Add.
2024 (c_vla_type_p): Add.
2025 * c-decl.c (struct c_scope): Add had_vla_unspec.
2026 (build_array_declarator): Add support for [*].
2027 (grokdeclarator): Likewise.
2028 (grokparms): Likewise.
2029 (get_parm_info): Likewise.
2030 * c-objc-common.c (c_vla_unspec_p): Likewise.
2031 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2032 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2033 typeof when argument is a variably modified type not inside sizeof or alignof.
2034 (c_parser_direct_declarator_inner): Propagate errors.
2035 (c_parser_sizeof_expression): Add support for [*].
2036 (c_parser_parms_declarator): Initialize had_vla_unspec.
2037 (c_parser_parms_list_declarator): Likewise.
2038 * c-typeck.c (c_vla_type_p): Add.
2039 (composite_type): Add support for vla compositing.
2040 (comptypes_internal): Add support for vla compatibility.
2041 (c_expr_sizeof_expr): Evaluate vla arguments.
2042 * tree.c (variably_modified_type_p): Update comment for [*].
2044 2006-05-18 Michael Matz <matz@suse.de>
2047 * config.host: Make assignments to host_xmake_file cumulative.
2048 * config.host (*-darwin*): Test $host, not $target.
2050 2006-05-12 Stuart Hastings <stuart@apple.com>
2052 * config/i386/i386.opt (-mstackrealign): New flag.
2053 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2054 (ix86_handle_cconv_attribute): Emit error when
2055 force_align_arg_pointer attribute collides with too many regparms.
2056 (ix86_function_regparm): Limit regparms when used with
2057 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2058 Support stack-realigning prologue in non-main functions. Emit
2059 warning for nested functions under -mstackrealign, emit error for
2060 nested functions with force_align_arg_pointer attribute.
2061 * doc/extend.texi (force_align_arg_pointer): Document it.
2062 * doc/invoke.texi (-mstackrealign): Document it.
2064 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2066 PR rtl-optimization/27477
2067 * combine.c (try_combine): Don't split a parallel consisting
2068 of two sets into two individual sets if both sets reference
2071 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2073 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2074 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2076 * doc/options.texi (VarExists): Updated.
2078 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2080 * unwind-dw2.c: Add declarations for uw_update_context and
2082 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2083 detected, advance frame state and context once to skip over stub.
2085 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2089 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2090 Call rewrite_into_loop_closed_ssa only when something changed.
2091 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2092 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2093 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2094 Test for perfect_nest_p here. Fix formating.
2095 (replace_uses_equiv_to_x_with_y): Fix formating.
2096 (stmt_uses_op): Removed.
2097 (can_convert_to_perfect_nest): Removed loopivs parameter.
2098 Complete the test by checking the scalar dependences.
2099 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2102 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2105 From Dan Kegel <dank@kegel.com>:
2106 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2108 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2110 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2111 if the element type is variably modified without recursing.
2113 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2116 * tree-loop-linear.c (try_interchange_loops): Test for
2117 no data dependences.
2119 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2121 PR tree-optimization/27548
2122 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2123 range of ssa names that appear on abnormal edges.
2124 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2125 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2127 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2130 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2132 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2135 * tree.h (OMP_PARALLEL_COMBINED): Define.
2136 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2137 (new_omp_context): Add is_combined_parallel argument.
2138 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2139 new_omp_context caller.
2140 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2141 Adjust gimplify_scan_omp_clauses callers.
2142 (omp_is_private): Issue errors if iteration variable is firstprivate
2143 or reduction in the current context.
2144 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2145 on combined parallel workshare constructs.
2147 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2149 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2150 (gcc-options.o): New rule.
2152 * optc-gen.awk: Protect variables for gcc-options.o with
2153 #ifdef GCC_DRIVER/#endif.
2155 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2157 Fix PR tree-optimization/27373
2158 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2159 (forward_propagate_addr_expr): Update call.
2161 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2163 * doc/options.texi: Move the Negative option.
2165 2006-05-16 Richard Guenther <rguenther@suse.de>
2167 PR tree-optimization/22303
2168 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2170 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2171 ccp_fold did not simplify the statement.
2173 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2176 * Makefile.in (GCC_OBJS): New.
2177 (OBJS-common): Add opts-common.o.
2178 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2179 (cpp$(exeext)): Likewise.
2180 (gcc.o): Also depend on opts.h.
2181 (opts-common.o): New.
2183 * common.opt (gcoff): Add Negative(gdwarf-2).
2184 (gdwarf-2): Add Negative(gstabs).
2185 (gstabs): Add Negative(gstabs+).
2186 (gstabs+): Add Negative(gvms).
2187 (gvms): Add Negative(gxcoff).
2188 (gxcoff): Add Negative(gxcoff+).
2189 (gxcoff+): Add Negative(gcoff).
2190 * config/i386/i386.opt (m32): Add Negative(m64).
2191 (m64): Add Negative(m32).
2193 * doc/options.texi: Document the Negative option.
2195 * gcc.c: Include "opts.h".
2196 (main): Call prune_options after expandargv.
2198 * optc-gen.awk: Generate common declarations for all flag
2199 variables in options.c. Output the neg_index field.
2201 * opts.c (find_opt): Moved to ...
2202 * opts-common.c: Here. New file.
2204 * opts.h (cl_option): Add a neg_index field.
2206 (prune_options): Likewise.
2208 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2211 * omp-low.c (expand_omp_parallel): Don't assert
2212 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2213 instead search for it.
2216 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2219 2006-05-16 Andreas Schwab <schwab@suse.de>
2221 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2224 2006-05-15 Roger Sayle <roger@eyesopen.com>
2227 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2228 integer constants other than zero are only legitimate on TARGET_64BIT.
2229 <CONST_VECTOR> Only zero vectors are legitimate.
2230 (ix86_cannot_force_const_mem): Integral and vector constants can
2231 always be put in the constant pool.
2233 2006-05-16 DJ Delorie <dj@redhat.com>
2235 * crtstuff.c (__dso_handle): Set section from
2236 TARGET_LBIGCC_SDATA_SECTION if defined.
2237 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2238 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2240 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2243 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2246 2006-05-16 Ben Elliston <bje@au.ibm.com>
2248 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2250 2006-05-15 Per Bothner <per@bothner.com>
2252 * tree.c: (last_annotated_node): Use source_locus typedef.
2253 This permits bootstrapping with --enable-mapped-location.
2255 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2257 PR tree-optimization/26830
2258 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2259 (info_for_ssa_name, current_info_for_ssa_name_age,
2260 blocks_to_update): New variables.
2261 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2262 (clear_ssa_name_info, initialize_flags_in_bb,
2263 mark_block_for_update): New functions.
2264 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2265 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2266 prepare_def_site_for): Use mark_block_for_update.
2267 (mark_def_interesting): Assert that the processed block is marked in
2268 blocks_to_update. Do not take blocks argument.
2269 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2271 (rewrite_update_init_block, rewrite_update_stmt): Only process
2272 blocks with statements to rewrite.
2273 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2274 (update_ssa): Initialize and free blocks_to_update. Do not
2275 clear flags on statements. Do not use blocks bitmap.
2276 * tree.h (SSA_NAME_AUX): Removed.
2277 (struct tree_ssa_name): Removed aux field.
2278 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2280 2006-05-15 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/27603
2283 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2284 Do computations in original type.
2286 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2288 * see.c: Code style changes such as redundant paranthesis,
2289 redundant intialization of local variables etc.
2290 (see_main): Declared now as static.
2291 * doc/invoke.texi: Update that -fsee is not enabled by
2294 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2296 * omp-low.c (check_omp_nesting_restrictions): New function.
2297 (scan_omp_1): Call it.
2300 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2301 construct, return *VAR.
2303 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2305 PR rtl-optimization/27406
2306 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2309 2006-05-14 Roger Sayle <roger@eyesopen.com>
2311 PR rtl-optimization/27538
2312 * combine.c (expand_compound_operation): Call gen_lowpart
2313 before calling simplify_shift_const.
2315 2006-05-14 Roger Sayle <roger@eyesopen.com>
2317 PR rtl-optimization/22563
2318 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2319 a fixed width bitfield, always force the intermediates into psuedos.
2321 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2324 * mkconfig.sh: Use operator = instead of == for test.
2326 2006-05-13 Nick Clifton <nickc@redhat.com>
2328 * dwarf2out.c (dbx_reg_number): Check return value from
2329 LEAF_REG_REMAP and only use it if it is valid.
2330 (multiple_reg_loc_descriptor): Likewise.
2332 2006-05-13 Richard Guenther <rguenther@suse.de>
2334 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2337 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2339 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2340 information attached to non-INSNs such as NOTEs.
2341 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2343 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2345 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2347 * config/s390/s390.md: Adjust comment describing On constraint.
2349 2006-05-11 Jan Hubicka <jh@suse.cz>
2351 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2352 to be output at -O0.
2354 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2357 * fold-const.c (size_binop): Move sanity check for arguments to
2358 the beginning of the function.
2361 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2364 2006-05-11 Richard Guenther <rguenther@suse.de>
2367 * fold-const.c (fold_unary): Handle intermediate conversion
2368 to a pointer type like intermediate conversion to an integer
2369 type in folding of (T1)(T2)var to var.
2370 Match the code to the comment in the final conversion for
2371 (T1)(T2)var to (T1)var regarding to type precision. Rather
2372 than disallow T1 being of pointer type, assert that both T1
2373 and var are of pointer type or not. Make sure not to fall
2374 over the frontends lazyness wrt array to pointer decay though.
2376 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2378 * arm.c (arm_struct_value_rtx): Delete.
2379 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2380 (arm_init_cumulative_args): Always initialize nregs to zero.
2382 2006-05-10 Richard Guenther <rguenther@suse.de>
2384 PR tree-optimization/27532
2385 * tree-object-size.c (plus_expr_object_size): Fix typo.
2387 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2390 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2391 ashrdi_const, ashrdi3): Use a scratch register.
2393 2006-05-10 Richard Guenther <rguenther@suse.de>
2395 PR tree-optimization/27302
2396 * fold-const.c (operand_equal_p): For two comparisons,
2397 try comparison of one comparison code swapped if that yields
2400 2006-05-10 Ben Elliston <bje@au.ibm.com>
2402 * tree-pretty-print.c (pretty_print_string): No need to handle
2403 '\0' as a special character.
2405 * tree.h: Include "hashtab.h".
2406 (iterative_hash_expr): Use hashval_t in its prototype.
2407 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2409 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2412 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2413 (hppa*64*-*-hpux11*): Ditto.
2414 (hppa[12]*-*-hpux11*): Ditto.
2416 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2419 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2421 2006-05-09 Michael Matz <matz@suse.de>
2423 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2424 host_extra_gcc_objs and host_xmake_file.
2425 (<*-*-linux*>): Don't overwrite host_xmake_file.
2426 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2427 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2428 (host_detect_local_cpu): Declare.
2429 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2430 * config/i386/i386.c (override_options): Handle -mtune=native
2432 * config/i386/x-i386: New file.
2433 * config/i386/driver-i386.c: New file.
2434 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2437 2006-05-09 Dirk Mueller <dmueller@suse.de>
2438 Richard Guenther <rguenther@suse.de>
2441 * fold-const.c (fold_read_from_constant_string): Relax check
2442 for matching types to matching modes.
2444 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2446 PR rtl-optimization/27335
2447 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2450 2006-05-08 Chao-ying Fu <fu@mips.com>
2451 Richard Sandiford <richard@codesourcery.com>
2453 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2454 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2455 * config/mips/mips.md (UNSPEC_SCC): New constant.
2456 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2457 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2458 (mips_emit_compare): Use it.
2459 (mips_expand_vcondv2sf): New function.
2461 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2463 Fix PR tree-optimization/27093
2464 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2465 renaming when they become not-used_alone.
2467 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2469 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2470 relocation and relocation stubs.
2472 2006-05-08 Eric Christopher <echristo@apple.com>
2474 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2477 2006-05-08 Jan Hubicka <jh@suse.cz>
2480 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2481 unused static functions are needed.
2483 2006-05-08 Roger Sayle <roger@eyesopen.com>
2486 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2487 of a reg_equiv_constant if the result is a legitimate constant.
2489 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2492 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2493 standard 80387 constants, raise the cost to prevent
2494 compress_float_constant() to generate load from memory.
2496 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2498 * config/arm/constraints.md (c): Fix a typo.
2500 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2503 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2506 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2508 (_mm_mwait): Likewise.
2510 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2512 (sse3_monitor): Make it 32bit only.
2513 (sse3_monitor64): New. 64bit monitor.
2515 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2518 * config/i386/i386.c (classify_argument): Skip fields with invalid
2521 2006-05-07 Richard Guenther <rguenther@suse.de>
2523 PR tree-optimization/27409
2524 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2525 Do not try to find zero-sized subvars.
2527 2006-05-07 Richard Guenther <rguenther@suse.de>
2529 PR tree-optimization/27136
2530 * tree-ssa-loop-niter.c (get_val_for): Correct function
2531 comment, assert requirements.
2532 (loop_niter_by_eval): Stop processing if the iterated
2533 value did not simplify.
2535 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2537 * opts.c (flag_see): remove its setting at -O3.
2539 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2541 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2542 * arm/constraints.md: New file.
2543 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2544 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2545 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2546 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2547 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2548 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2549 * arm.md: Include constraints.md.
2550 (thumb_movsi_insn): Use satisfies_constraint_J.
2551 (movhi, movqi): Use satisfies_constraint_I.
2553 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2555 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2556 for atmeg a645 device.
2558 2006-05-06 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/27151
2561 * tree-vect-transform.c (vectorizable_condition): Punt on
2562 values that have a different type than the condition.
2564 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2567 * c-parser.c (c_parser_cast_expression): Only insert casts into
2568 hash table if pointer.
2569 * function.c (used_types_insert_helper): Rename from
2571 (used_types_insert): Call used_types_insert_helper.
2572 * function.h (used_types_insert): Accept only one argument.
2574 2006-05-05 David Edelsohn <edesohn@gnu.org>
2576 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2577 scratch with output modifier.
2579 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2582 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2583 with output modifier.
2585 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2588 * config/mips/mips.c (mips_symbolic_address_p): Return true
2589 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2590 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2592 2006-05-04 Richard Guenther <rguenther@suse.de>
2594 PR tree-optimization/14287
2595 PR tree-optimization/14844
2596 PR tree-optimization/19792
2597 PR tree-optimization/21608
2598 PR tree-optimization/27090
2599 * tree-ssa-pre.c (try_combine_conversion): New function.
2600 (compute_avail): After constructing the value-handle
2601 expression, use try_combine_conversion to combine NOP_EXPRs
2602 with previous value-handle expressions and use the result if it
2605 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2607 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2609 2006-05-04 Jan Hubicka <jh@suse.cz>
2612 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2614 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2616 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2617 that this only matches CONST_INTs. All users changed to VOIDmode
2620 * config/bfin/bfin.c: Include "optabs.h".
2621 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2623 (enum bfin_builtins): Add a number of fractional and vector builtins.
2624 (bfin_init_builtins): Likewise.
2625 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2626 (safe_vector_operand, bfin_expand_binop_builtin,
2627 bfin_expand_unop_builtin): New functions.
2628 (bfin_expand_builtin): Handle the new builtins.
2629 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2632 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2635 * Makefile.in (OBJS-common): Add see.o.
2636 (see.o): Add dependencies.
2637 * common.opt (fsee): New flag for the see optimization was added.
2638 * opts.c (flag_see): Initialized.
2639 * passes.c (init_optimization_passes, pass_see): New pass.
2640 * rtl.h (see_main): Declaration as extern.
2641 * timevar.def (TV_SEE): New.
2642 * tree-pass.h (pass_see): Declaration as extern.
2643 * invoke.texi (-fsee): Document.
2644 * recog.c (validate_simplify_insn): New function.
2645 * recog.h (validate_simplify_insn): Declaration as extern.
2646 * df-problems.c (df_chain_dump): Check for NULL.
2648 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2649 Daniel Berlin <dberlin@dberlin.org>
2651 * cfgrtl.c (insert_insn_bb_end_new): New function.
2652 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2654 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2656 * df.h (struct web_entry): Moved from web.c.
2657 (union_defs): Declaration as extern.
2658 (unionfind_root): Likewise.
2659 (unionfind_union): Likewise.
2660 * web.c (struct web_entry): Moved to df.h.
2661 (unionfind_root): Remove static declaration.
2662 (unionfind_union): Likewise.
2663 (union_defs): Likewise and generalize to use callback function.
2664 (web_main): Update arguments for union_defs function call.
2666 2006-05-04 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/26447
2669 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2670 produce SSA_NAME copies before the store stmt to avoid
2671 breaking exception handling.
2673 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2676 * gimplify.c (omp_is_private): If var is shared in some outer context,
2677 return false instead of true. Stop searching on parallel context
2680 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2683 * coverage.c: Use get_gcov_unsigned_t() instead of
2684 unsigned_type_node all over.
2686 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2688 PR tree-optimization/27381
2689 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2690 maintain the same immediate_use links.
2691 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2692 node rather than segfaulting.
2694 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2697 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2698 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2699 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2701 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2703 Fix PR tree-optimization/26626
2704 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2706 * tree-ssa-operands.c (access_can_touch_variable): Allow
2707 typecasting through union pointers.
2709 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2712 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2713 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2714 to find if var will be a global variable even in the nested context.
2715 (omp_copy_decl): Only check for global variable at the end, it might
2716 be overridden in outer contexts.
2717 (scan_sharing_clauses): For global variables don't create a field.
2718 (lower_rec_input_clauses): Do nothing for global shared variables.
2719 Emit a barrier at the end of ILIST if there were any decls in both
2720 firstprivate and lastprivate clauses.
2721 (lower_send_clauses): Do nothing for global variables except for
2724 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2726 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2727 of the correct signedness is returned.
2729 2006-05-02 Jeff Law <law@redhat.com>
2731 PR tree-optimization/27364
2732 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2733 multiply expressions.
2735 2006-05-02 Tom Tromey <tromey@redhat.com>
2737 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2739 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2742 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2743 -mthumb -fPIC are used.
2745 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2746 Joshua Kinard <kumba@gentoo.org>
2749 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2750 with 64-bit pointers.
2752 2006-05-02 Paul Brook <paul@codesourcery.com>
2754 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2756 (create_fix_barrier): Check that a suitable barrier location is
2758 (arm_reorg): Include ftmp->address in allowable range of addresses.
2760 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2763 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2766 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2769 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2770 around RESULT_DECL for result passed by reference.
2771 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2772 * omp-low.c (use_pointer_for_field): Don't look at
2773 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2774 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2775 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2776 time or var for passing by reference for
2777 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2778 TREE_ADDRESSABLE variables when passing by reference.
2780 * omp-low.c (dump_omp_region): Fix output formatting.
2783 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2784 (expand_omp_parallel): Likewise.
2785 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2788 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2789 on statement list containing also constructors and destructors.
2790 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2793 * except.c (duplicate_eh_regions): Fix clearing of
2794 cfun->eh->region_array entries.
2796 2006-05-01 DJ Delorie <dj@redhat.com>
2798 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2800 (gcc_cv_objdump): Likewise.
2801 * configure: Regenerated.
2803 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2806 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2807 templates for case 3 and 4.
2809 2006-05-01 DJ Delorie <dj@redhat.com>
2811 * vec.c: Include bconfig.h when appropriate.
2812 * Makefile.in (build/vec.o): Adjust dependencies.
2813 * mkconfig.sh: Make sure config.h isn't used for build machine
2816 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2818 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2820 (mark_phi_for_rewrite): New function.
2821 (insert_phi_nodes_for, mark_use_interesting): Call
2822 mark_phi_for_rewrite.
2823 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2824 (update_ssa): Initialize and free phis_to_rewrite.
2826 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2828 PR rtl-optimization/27291
2829 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2830 folded to a constant.
2832 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2834 PR tree-optimization/27283
2835 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2836 not whole # of iteration descriptions.
2837 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2838 uses abnormal ssa name.
2839 (niter_for_single_dom_exit): Ditto.
2840 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2841 return just the number of iterations.
2843 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2845 PR tree-optimization/27144
2846 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2847 (record_estimate): Only record constant upper bound.
2848 (infer_loop_bounds_from_undefined): Call
2849 compute_estimated_nb_iterations just once.
2850 (proved_non_wrapping_p): Renamed to ...
2851 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2852 (convert_step_widening, scev_probably_wraps_p): Call
2853 n_of_executions_at_most instead of proved_non_wrapping_p.
2854 (substitute_in_loop_info): Do not replace values in bounds.
2855 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2858 2006-05-01 Richard Henderson <rth@redhat.com>
2861 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2862 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2865 2006-05-01 Roger Sayle <roger@eyesopen.com>
2867 * c-typeck.c (parser_build_binary_op): Don't call the function
2868 unsigned_conversion_warning to spot operand/result type overflow.
2869 (build_binary_op): Instead, call convert_and_check instead of
2870 convert to report the problem when the operands are promoted.
2871 * c-common.c (unsigned_conversion_warning): Make static.
2872 * c-common.h (unsigned_conversion_warning): Delete prototype.
2874 2006-05-01 Richard Guenther <rguenther@suse.de>
2876 PR tree-optimization/26726
2877 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2879 (find_interesting_uses_address): ... we work around here
2880 by folding INDIRECT_REFs in the substituted base.
2882 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2884 * omp-low.c (dump_omp_region): Add newlines.
2886 2006-04-30 Roger Sayle <roger@eyesopen.com>
2888 * common.opt (Woverflow): New command line option.
2889 * c-common.c (constant_expression_warning): Check warn_overflow.
2890 (overflow_waring): Pass OPT_Woverflow to warning.
2891 (unsigned_conversion_warning): Likewise.
2892 (convert_and_check): Likewise.
2893 * doc/invoke.texi: Document new command line option.
2895 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2897 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2898 TARGET_NO_FP_IN_TOC for section anchors.
2899 (optimization_options): Enable section anchors for all
2900 non-"Objective" languages.
2902 2006-04-28 Eric Christopher <echristo@apple.com>
2904 * config/darwin-c.c (darwin_ms_struct): Move this
2905 (darwin_set_default_type_attributes): and this...
2906 * config/darwin.c: ... here.
2907 * config/darwin.h (darwin_ms_struct): Declare.
2909 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2911 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2913 2006-04-28 Roger Sayle <roger@eyesopen.com>
2916 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2917 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2918 an unsigned HOST_WIDE_INT.
2919 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2921 (really_start_incremental_init): No need to call convert because
2922 bitsize_zero_node is already of type bitsizetype.
2923 (push_init_level): Extract the value of constructor_index as an
2924 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2925 (process_init_element): Likewise.
2927 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2929 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2930 value before passing to make_relative_prefix.
2932 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2935 * builtins.c (expand_builtin_memset): Expand val in original mode.
2937 2006-04-27 Eric Christopher <echristo@apple.com>
2939 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2940 with #ifndef/#endif.
2941 * config/darwin-c.c (darwin_ms_struct): New.
2942 (darwin_pragma_ms_struct): Ditto.
2943 (darwin_set_default_type_attributes): Ditto.
2944 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2945 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2946 Register ms_struct pragma.
2947 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2948 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2949 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2950 darwin_set_default_type_attributes if TARGET_MACHO.
2952 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2954 PR tree-optimization/26854
2955 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2956 * doc/tree-ssa.texi: Update immuse iterator documentation.
2957 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2958 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2959 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2960 first_safe_imm_use, next_safe_imm_use): Remove.
2961 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2962 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2963 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2964 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2965 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2966 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2967 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2968 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2969 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2970 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2971 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2972 (perfect_nestify): Use new iterator.
2973 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2975 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2976 (next_imm_name): New field in struct immediate_use_iterator_d.
2977 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2978 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2979 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2980 * tree-cfg.c (replace_uses_by): Use new iterator.
2981 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2982 * tree-ssa-operands.c (correct_use_link): Remove.
2983 (finalize_ssa_use_ops): No longer call correct_use_link.
2985 2006-04-27 Stuart Hastings <stuart@apple.com>
2987 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2988 * config/t-darwin (crt3.o): Use it.
2989 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2990 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2991 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2992 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2993 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2996 2006-04-27 Roger Sayle <roger@eyesopen.com>
2998 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2999 size, force the intermediate into a new pseudo rather instead of
3000 performing both a bitwise AND and a bitwise IOR in memory.
3002 2006-04-27 Richard Guenther <rguenther@suse.de>
3004 PR rtl-optimization/26685
3005 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3006 this one "max-flow-memory-locations".
3008 2006-04-27 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/25148
3011 * tree-vrp.c (compare_values): Remove code dealing with
3012 comparisons against type min/max value. Honour overflow
3013 and negative constants in code dealing with comparisons
3014 of plus and minus expressions.
3015 (value_inside_range): Use fold_binary with LE_EXPR and
3016 GE_EXPR rather than compare_values.
3018 2006-04-27 Dirk Mueller <dmueller@suse.de>
3020 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3023 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3025 * basic-block.h (safe_insert_insn_on_edge): Removed.
3026 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3028 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3029 Paolo Bonzini <bonzini@gnu.org>
3032 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3033 (simplify_and_const_int): Same.
3035 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3037 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3039 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3042 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3043 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3044 cgraph_global_info_ready.
3047 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3050 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3051 either decl or init is error_mark_node.
3054 * tree-flow.h (struct omp_region): Add sched_kind.
3055 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3056 instead of extracting omp for data.
3057 (expand_omp_for): Save extracted sched_kind.
3059 2006-04-25 Roger Sayle <roger@eyesopen.com>
3061 * expmed.c (store_bit_field): Also check whether the bitsize is
3062 valid for the machine's "insv" instruction before moving the
3063 target into a pseudo for use with the insv.
3064 * config/i386/predicates.md (const8_operand): New predicate.
3065 * config/i386/i386.md (extv, extzv, insv): Use the new
3066 const8_operand predicate where appropriate.
3068 2006-04-25 DJ Delorie <dj@redhat.com>
3070 * doc/install.texi (Specific): Clarify that this is not a list of
3071 supported hosts or targets.
3073 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3075 PR rtl-optimization/26725
3076 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3077 block's BB_DIRTY flag.
3079 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3081 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3084 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3085 to print an integer.
3087 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3089 * varasm.c (align_variable): New function.
3090 (get_block_for_decl): Apply align_variable to DECL before
3091 calculating section information.
3092 (assemble_variable): Split out alignment computation.
3094 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3096 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3099 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3101 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3102 MODE_PARTIAL_INT mode.
3103 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3104 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3106 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3107 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3109 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3111 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3113 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3114 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3115 MACFLAG_IH): Likewise.
3116 (movstricthi_1): Renamed from "*movstricthi".
3117 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3118 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3119 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3120 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3121 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3122 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3123 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3124 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3125 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3126 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3127 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3128 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3129 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3130 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3131 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3133 * doc/rtl.texi (ss_ashift): Improve wording.
3135 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3137 * dwarf2out.c (verify_marks_clear): New.
3138 (prune_unused_types): Call verify_marks_clear initially, not
3141 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3143 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3144 * doc/rtl.texi: Document them.
3145 * simplify-rtx.c (simplify_unary_operation,
3146 simplify_binary_operation_1): Don't abort when we see them.
3148 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3151 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3152 * configure.ac: Completely disregard languages that are not
3154 * configure: Regenerated.
3156 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3157 Richard Guenther <rguenther@suse.de>
3159 PR tree-optimization/27236
3160 * tree-inline.c (copy_body_r): Make sure to copy
3161 TREE_THIS_VOLATILE flag.
3163 2006-04-24 Richard Guenther <rguenther@suse.de>
3166 * tree-complex.c (update_parameter_components): Don't handle
3167 unused parameters which have no default def.
3169 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3170 Richard Guenther <rguenther@suse.de>
3172 PR tree-optimization/27218
3173 * tree-inline.c (expand_call_inline): Strip useless type
3174 conversions for the return slot address.
3176 2006-04-24 Richard Guenther <rguenther@suse.de>
3178 * cfgloop.h (struct loops): Remove unused field array. Reorder
3180 (LOOP_PREFETCH): Remove.
3182 2006-04-24 Richard Guenther <rguenther@suse.de>
3184 PR tree-optimization/22525
3185 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3186 variable, adjust types of generated expressions.
3188 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3190 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3191 (tree-vect-patterns.o): Likewise.
3193 (cselib.o): Likewise.
3194 (loop-doloop.o): Likewise.
3195 (regclass.o): Likewise.
3196 (reload1.o): Likewise.
3197 (explow.o): Replace target.h with $(TARGET_H).
3198 (ipa-prop.o): Likewise.
3199 (ipa-cp.o): Likewise.
3200 (ipa-inline.o): Likewise.
3201 (reorg.o): Likewise.
3202 (reg-stack.o): Likewise.
3204 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3206 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3208 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3210 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3212 * configure.ac: Completely disregard languages that are not
3214 * configure: Regenerated.
3217 * c-common.h (c_build_bitfield_integer_type): Declare.
3218 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3219 * c-common.c (c_build_bitfield_integer_type): ... here.
3221 2006-04-23 Roger Sayle <roger@eyesopen.com>
3224 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3225 a SImode SUBREG of a floating point register after no_new_pseudos.
3227 2006-04-23 Roger Sayle <roger@eyesopen.com>
3229 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3230 identify potentially eliminable registers to additionally catch
3231 VIRTUAL_INCOMING_ARGS_REGNUM.
3232 (addsi3): Update the conditions on when to use addsi_small_int.
3234 2006-04-23 Roger Sayle <roger@eyesopen.com>
3237 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3238 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3239 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3241 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3243 * fold-const.c (range_predecessor): Use operand_equal_p
3244 as the predicate for equality.
3245 (range_successor): Likewise.
3247 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3250 * config/soft-fp/op-common.h: Fix a typo.
3252 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3255 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3256 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3258 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3260 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3262 * doc/tm.texi: Fix a typo.
3264 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3266 * dwarf2out.c (struct die_struct): Document that die_sib makes
3267 a circular linked list.
3268 (FOR_EACH_CHILD): New.
3269 (reverse_die_lists): Delete.
3270 (reverse_all_dies): Delete.
3271 (add_dwarf_attr): Correct documentation.
3272 (remove_child_with_prev): New.
3273 (remove_child_TAG): Update for change to die_struct, use
3274 remove_child_with_prev.
3275 (add_child_die): Update for change to die_struct.
3276 (splice_child_die): Use remove_child_with_prev and add_child_die.
3277 (print_die): Use FOR_EACH_CHILD.
3278 (die_checksum): Likewise.
3279 (assign_symbol_names): Likewise.
3280 (output_location_lists): Likewise.
3281 (build_abbrev_table): Likewise.
3282 (calc_die_sizes): Likewise.
3283 (mark_dies): Likewise.
3284 (unmark_dies): Likewise.
3285 (unmark_all_dies): Likewise.
3286 (output_die): Likewise.
3287 (prune_unused_types_mark): Likewise.
3288 (prune_unused_types_walk): Likewise.
3289 (same_die_p): Update for change to die_struct.
3290 (break_out_includes): Likewise.
3291 (prune_unused_types_prune): Likewise.
3292 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3293 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3295 (dwarf2out_finish): Don't call reverse_all_dies.
3297 2006-04-21 Eric Christopher <echristo@apple.com>
3299 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3300 in comments and function names.
3302 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3305 * c-typeck.c (digest_init): Robustify.
3307 * c-typeck.c (pop_init_level): Simplify.
3309 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3311 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3313 2006-04-21 Paul Brook <paul@codesourcery.com>
3315 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3316 hardware floating point.
3318 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3320 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3323 2006-04-21 Nick Clifton <nickc@redhat.com>
3325 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3328 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3331 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3332 C++ lang type in traceback table for Objective-C++.
3334 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3336 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3338 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3340 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3343 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3344 were errors. Remove check for erroneous objects.
3346 2006-04-20 Jeff Law <law@redhat.com>
3348 PR tree-optimization/26854
3349 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3350 checking for zero or one use.
3351 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3352 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3353 * tree-ssa-reassoc.c (negate_value): Similarly.
3354 (reassociate_bb): Similarly.
3356 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3358 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3359 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3360 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3362 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3364 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3365 fp regs if the last fp arg doesn't fit in regs.
3367 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3370 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3371 that the last insn has the REG_INC note.
3373 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3374 Nathan Sidwell <nathan@codesourcery.com>
3377 * stor-layout.c (update_alignment_for_field): Do not align
3379 (place_union_field): Place union field at the start of the union.
3380 (place_field): Move ERROR_MARK check later, and use the current
3381 allocation position to maintain monotonicity.
3383 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3385 * dominance.c: Include timevar.h.
3386 (calculate_dominance_info): Use TV_DOMINANCE.
3387 * timevar.def (TV_DOMINANCE): New timevar.
3388 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3390 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3392 PR rtl-optimization/14261
3393 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3394 move would be an INSV insn.
3395 (noce_process_if_block): Don't optimize if the destination is a
3396 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3398 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3400 * config/s390/s390.md: Add comments with the instructions emitted
3401 by an insn pattern if macros are used.
3403 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3405 PR rtl-optimization/26026
3406 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3407 is a known power of two shifted left a variable amount.
3409 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3411 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3412 to hash table twice when the debug_str section has SECTION_MERGE.
3414 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3416 * config/soft-fp: New directory. From glibc.
3417 * config/soft-fp/t-softfp: New.
3418 * config/soft-fp/README: New.
3419 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3420 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3421 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3422 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3423 * config.gcc: Use rs6000/t-fprules-fpbit or
3424 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3426 * config/rs6000/sfp-machine.h: New. Based on glibc.
3427 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3429 * config/rs6000/t-fprules: Remove fp-bit rules.
3430 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3431 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3432 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3433 (softfp_wrap_start, softfp_wrap_end): New.
3435 2006-04-18 DJ Delorie <dj@redhat.com>
3437 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3439 2006-04-18 Devang Patel <dpatel@apple.com>
3441 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3443 2006-04-18 Nick Clifton <nickc@redhat.com>
3445 * config/sh/t-symbian: Add rule to build sh-c.o
3446 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3447 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3448 (sh_symbian_encode_section_info): Likewise.
3450 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3452 * builtins.c (expand_builtin_strcmp): Cover label definition of
3453 do_libcall with HAVE_cmpstrnsi.
3455 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3457 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3459 * function.h (temp_slot_p): New.
3460 (function): Change the type of x_used_temp_slots to
3461 VEC(temp_slot_p,gc) *.
3463 2006-04-18 Nick Clifton <nickc@redhat.com>
3465 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3466 flag_strength_reduce.
3468 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3470 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3474 Partial revert of revision 112637
3475 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3476 Dale Johannesen <dalej@apple.com>
3479 * regclass.c (struct reg_pref): Update documentation.
3480 (regclass): Set prefclass to NO_REGS if memory is the best option.
3481 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3483 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3485 PR tree-optimization/26821
3486 * tree-ssa-math-opts.c (get_constant_one): New.
3487 (insert_reciprocals): Use it.
3489 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3491 * dwarf2out.c (free_AT): Delete.
3492 (remove_AT): Update string ref counts.
3493 (remove_child_TAG): Don't call free_die.
3495 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3496 or DW_TAG_GNU_EINCL.
3497 (prune_unused_types_walk_attribs): Reset string refcounts.
3498 (prune_unused_types_update_strings): New.
3499 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3500 call free_die. Do call prune_unused_types_update_strings.
3501 (prune_unused_types): Empty debug_str_hash.
3503 2006-04-17 Roger Sayle <roger@eyesopen.com>
3505 * expr.c (expand_assignment): Optimize away no-op moves where the
3506 source and destination are equal and have no side-effects.
3508 2006-04-17 Richard Guenther <rguenther@suse.de>
3511 * reload.c (push_reload): Guard calls to get_secondary_mem
3514 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3516 * alias.c (reg_base_value, old_reg_base_value): Change the
3517 type to VEC(rtx,gc) *.
3518 (REG_BASE_VALUE, find_base_value, record_set,
3519 init_alias_analysis): Use VEC instead of VARRAY.
3521 * alias.c (alias_sets): Change the type to
3522 VEC(alias_set_entry,gc) *.
3523 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3524 VEC instead of VARRAY.
3525 (last_alias_set): Remove.
3527 * cgraph.h (cgraph_edge_p): New.
3528 Update the prototype of cgraph_function_versioning.
3529 * cgraphunit.c (cgraph_copy_node_for_versioning,
3530 cgraph_function_versioning): Use VEC instead of VARRAY.
3531 * ipa-cp.c (ipcp_insert_stage): Likewise.
3533 2006-04-16 Roger Sayle <roger@eyesopen.com>
3536 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3537 "A op B" or "A op C", we may need to convert A to the type of B and C.
3539 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3541 * target.h (struct gcc_target): Add mode_rep_extended.
3542 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3543 (init_num_sign_bit_copies_in_rep): Initialize it using
3545 (truncate_to_mode): Use it.
3546 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3547 * targhooks.h (default_mode_rep_extended): Declare it.
3548 * targhooks.c (default_mode_rep_extended): Define it.
3549 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3550 default_mode_rep_extended.
3551 (TARGET_INITIALIZER): Include it.
3552 * doc/tm.texi (Misc): Document it.
3553 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3554 (mips_truncated_to_mode): New function.
3556 2006-04-16 Roger Sayle <roger@eyesopen.com>
3559 * expr.c (compress_float_constant): Copy the narrow constant into
3560 a new pseudo before extending it to its final width.
3562 2006-04-16 Roger Sayle <roger@eyesopen.com>
3563 Andrew Pinski <pinskia@gcc.gnu.org>
3564 Dale Johannesen <dalej@apple.com>
3567 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3568 special case code to implement V8HImode and V16QImode with SSE2.
3570 2006-04-15 Roger Sayle <roger@eyesopen.com>
3572 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3573 trees are constructed with a suitable tree type.
3575 2006-04-15 Roger Sayle <roger@eyesopen.com>
3577 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3578 (integer_onep): Likewise.
3579 (integer_all_onesp): Likewise.
3580 (integer_pow2p): Likewise.
3581 (integer_nonzerop): Likewise.
3582 (real_zerop): Likewise.
3583 (real_onep): Likewise.
3584 (real_twop): Likewise.
3585 (real_minus_onep): Likewise.
3586 (int_size_in_bytes): Likewise.
3587 (host_integerp): Likewise.
3589 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3591 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3592 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3593 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3595 * tree-ssa-structalias.h (alias_info): Remove num_references.
3597 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3599 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3600 (output_bvb patterns): Likewise.
3601 * pa.c (output_bb): Use 'bb' insn for long branch case.
3602 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3603 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3604 1. Correct length operand for alternatives 1 and 2.
3605 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3606 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3608 2006-04-14 Roger Sayle <roger@eyesopen.com>
3610 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3611 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3612 were accidentally reverted by r112959.
3614 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3617 * except.h (eh_region_outermost): New prototype.
3618 * except.c (eh_region_outermost): New function.
3619 * tree-cfg.c (find_outermost_region_in_block): Use it.
3621 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3623 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3625 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3626 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3627 (init_reload, reload): Use VEC instead of VARRAY.
3628 * reload.h: Update the prototype for
3629 reg_equiv_memory_loc_varray.
3631 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3632 Eric Botcazou <ebotcazou@libertysurf.fr>
3634 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3637 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3640 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3641 to expand fallback builtin function call.
3643 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3646 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3647 and emit libcall here in case the builtin fails.
3648 (expand_builtin_strcmp): Always emit the libcall here on failure.
3650 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3652 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3653 * flow.c (reg_n_info): Change the type to
3654 VEC(reg_info_p,heap) *.
3655 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3657 * regs.h (reg_info_p): New.
3658 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3659 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3660 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3663 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3665 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3667 * params.h (MAX_SCHED_READY_INSNS): New macro.
3668 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3669 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3670 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3671 the ready list for 1 cycle during the first scheduling pass.
3672 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3674 2006-04-13 Richard Henderson <rth@redhat.com>
3677 * gimple-low.c (lower_omp_directive): Remove dead code.
3678 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3679 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3680 * omp-low.c (struct omp_region): Move to tree-flow.h.
3681 (root_omp_region): Export.
3682 (omp_regions, lookup_omp_region): Remove.
3683 (determine_parallel_type): Update for struct omp_region changes.
3684 (dump_omp_region): Dump regions with block numbers.
3685 (new_omp_region): Take type and block instead of stmt; malloc
3687 (free_omp_region_1, free_omp_regions): New.
3688 (expand_parallel_call): Take entry_stmt as argument; update for
3689 changes to omp_region.
3690 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3691 (remove_exit_barriers): New.
3692 (expand_omp_parallel): Update for struct omp_region changes.
3693 (expand_omp_synch): Likewise.
3694 (expand_omp): Likewise.
3695 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3696 (expand_omp_for_static_chunk): Likewise.
3697 (expand_omp_for): Likewise.
3698 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3699 (expand_omp_sections): Similarly, with GOMP_sections_end.
3700 (expand_omp_single): New.
3701 (build_omp_regions_1): Update for OMP_CONTINUE.
3702 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3703 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3704 OMP_SECTIONS_SECTIONS.
3705 (lower_omp_single_simple): Don't emit barrier here.
3706 (lower_omp_single_copy): Likewise.
3707 (lower_omp_single): Fix bindings, and lower to straightline now.
3708 (lower_omp_master, lower_omp_ordered): Likewise.
3709 (lower_omp_critical): Likewise.
3710 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3711 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3712 omp edges, free it afterward.
3713 (make_omp_sections_edges): Remove.
3714 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3715 (move_stmt_r): Handle OMP_CONTINUE.
3716 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3717 statement pointers to basic blocks. Add type member.
3718 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3719 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3720 * tree-inline.c (estimate_num_insns_1): Likewise.
3721 * tree-pretty-print.c (dump_generic_node): Likewise.
3722 * tree-ssa-operands.c (get_expr_operands): Likewise.
3723 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3724 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3725 (OMP_CONTINUE): New.
3726 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3727 (OMP_SECTIONS_SECTIONS): Remove.
3728 (OMP_SECTION_LAST): New.
3729 (OMP_RETURN_NOWAIT): New.
3731 2006-04-13 Roger Sayle <roger@eyesopen.com>
3733 * fold-const.c (native_encode_vector, native_interpret_real):
3734 Correct obvious mistakes in the previous check-in.
3736 2006-04-13 Roger Sayle <roger@eyesopen.com>
3738 * fold-const.c (native_encode_expr): New function to encode
3739 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3740 or VECTOR_CST into a specified buffer.
3741 (native_encode_int): New function.
3742 (native_encode_real): New function.
3743 (native_encode_complex): New function.
3744 (native_encode_vector): New function.
3745 (native_interpret_expr): Inverse of native_encode_expr to convert
3746 a target representation into an INTEGER_CST, REAL_CST etc...
3747 (native_interpret_int): New function.
3748 (native_interpret_real): New function.
3749 (native_interpret_complex): New function.
3750 (native_interpret_vector): New function.
3751 (fold_view_convert_expr): New function to constant fold/evaluate
3752 a VIEW_CONVERT_EXPR of a suitable constant expression.
3753 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3754 Change call of build1 to fold_build1 when constructing a
3757 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3758 Ulrich Weigand <uweigand@de.ibm.com>
3761 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3764 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3767 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3768 optimize to lo_sum for DFmode if !TARGET_FPRS.
3770 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3772 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3773 delete_alias_info, compute_flow_sensitive_aliasing,
3774 group_aliases): Use VEC instead of VARRAY.
3775 * tree-ssa-structalias.c (update_alias_info): Likewise.
3776 * tree-ssa-structalias.h (alias_info): Change the type of
3777 processed_ptrs to VEC(tree,heap) *.
3779 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3782 * config/sh/lib1funcs.h: New file, broken out of:
3783 * config/sh/lib1funcs.asm.
3784 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3786 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3787 * config/sh/lib1funcs-Os-4-200.asm: New file.
3788 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3789 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3790 (EXTRA_MULTILIB_PARTS): Include it.
3791 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3792 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3793 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3794 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3797 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3799 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3800 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3801 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3803 * tree-ssa-live.h: Include vecprim.h.
3804 (tree_partition_associator_d): Change the type of
3805 first_partition to VEC(int,heap) *.
3806 (tpa_first_partition): Use VEC instead of VARRAY.
3808 * Makefile.in (GTFILES): Move functions.h after tree.h.
3809 * function.c (reset_block_changes, record_block_change,
3810 check_block_change, free_block_changes): Use VEC instead of
3812 * function.h (function): Change the type of
3813 ib_boundaries_block to VEC(tree,gc) *.
3814 * tree-inline.c (copy_cfg_body): Initialize
3815 ib_boundaries_block to NULL instead of (varray_type) 0.
3817 2006-04-12 Roger Sayle <roger@eyesopen.com>
3819 * expr.c (emit_group_store): Correct operand order in call to
3820 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3821 a SUBREG_BYTE of zero.
3823 2006-04-12 Richard Guenther <rguenther@suse.de>
3825 * profile.c (compute_branch_probabilities): Remove code
3826 encapsulated in !ir_type (), which are remanents of the
3827 removed RTL profiling code.
3828 * rtl-profile.c: Remove.
3830 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3832 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3833 magic NULL_RTX comment.
3834 (function_arg): Store entire fp arg to mem if any part should go
3836 (rs6000_arg_partial_bytes): Adjust for above change.
3838 2006-04-11 Roger Sayle <roger@eyesopen.com>
3840 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3841 if it hasn't been initialized by dwarf2out_init.
3843 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3845 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3846 symbolic constants in branch patterns.
3848 2006-04-11 Roger Sayle <roger@eyesopen.com>
3850 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3852 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3854 PR rtl-optimization/27073
3855 * gcse.c (try_replace_reg): Revert last change. Continue to search
3856 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3859 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3861 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3862 aggregate types other than record and union types.
3863 (function_arg): Likewise.
3864 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3866 (function_value): In 64-bit mode, return objects that require it
3869 2006-04-11 Roger Sayle <roger@eyesopen.com>
3871 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3873 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3875 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3877 2006-04-03 Jeff Law <law@redhat.com>
3880 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3881 alias information too.
3883 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3885 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3887 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3890 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3891 (premark_used_types_helper): New.
3892 (premark_used_types): New.
3893 (gen_subprogram_die): Call premark_used_types.
3894 (prune_unused_types_walk): Do not prune perennial dies.
3895 * function.c (used_types_insert): New.
3896 * function.h (struct function): Add used_types_hash field.
3897 (used_types_insert): Add prototype.
3898 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3899 * c-parser.c (c_parser_cast_expression): Save casted types in used
3902 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3905 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3906 rs6000_explicit_options.float_gprs.
3908 2006-04-10 Roger Sayle <roger@eyesopen.com>
3910 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3911 from ix86_expand_vector_init_low_nonzero. Take an additional
3912 one_var argument indicating which element is non-zero. Support
3913 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3914 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3915 with one_var instead of ix86_expand_vector_init_low_nonzero.
3917 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3919 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3920 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3921 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3922 build/genextract.o): Depend on vecprim.h.
3923 * cfglayout.c, df-problems.c, function.c, genextract.c,
3924 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3925 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3929 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3931 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3932 Declare VECs of this type.
3933 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3934 (remove_children): Delete.
3935 (add_dwarf_attr): Use VEC routines.
3936 (add_AT_flag): Update for changes to add_dwarf_attr.
3937 (add_AT_int): Likewise.
3938 (add_AT_unsigned): Likewise.
3939 (add_AT_long_long): Likewise.
3940 (add_AT_vec): Likewise.
3941 (add_AT_string): Likewise.
3942 (add_AT_die_ref): Likewise.
3943 (add_AT_fde_ref): Likewise.
3944 (add_AT_loc): Likewise.
3945 (add_AT_loc_list): Likewise.
3946 (add_AT_addr): Likewise.
3947 (add_AT_lbl_id): Likewise.
3948 (add_AT_lineptr): Likewise.
3949 (add_AT_macptr): Likewise.
3950 (add_AT_offset): Likewise.
3951 (add_AT_range_list): Likewise.
3952 (get_AT): Use VEC_iterate.
3953 (remove_AT): Use VEC_ordered_remove.
3954 (free_die): Fold remove_children into here; have it use VEC_iterate.
3955 (print_die): Use VEC_iterate on attrs.
3956 (reverse_die_lists): Don't reverse attr lists.
3957 (die_checksum): Use VEC_iterate on attrs.
3958 (same_die_p): Likewise.
3959 (output_location_lists): Likewise.
3960 (build_abbrev_table): Likewise.
3961 (size_of_die): Likewise.
3962 (unmark_all_dies): Likewise.
3963 (output_abbrev_section): Likewise.
3964 (output_die): Likewise.
3965 (prune_unused_types_walk_attribs): Likewise.
3967 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3969 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3971 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3974 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3976 2006-04-09 Roger Sayle <roger@eyesopen.com>
3978 * expr.c (store_constructor): Don't bother clearing target if
3979 we're about to assign a vector to it using vec_init_optab.
3981 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3983 * tree-ssa-alias.c (lhs_may_store_to): New function.
3984 (recalculate_used_alone): Handle LHS of calls.
3986 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3990 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3991 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3992 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3993 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3994 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3995 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3996 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3997 stubs. Add ".align 8" directives before all ".dword" directives.
3998 (GTHREAD_USE_WEAK): Revise comment.
3999 (TARGET_ATTRIBUTE_WEAK): Define.
4000 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4001 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4002 * stublib.c: New file.
4007 * pa.md (cbranch patterns): Revise arguments used in calls to
4008 output_cbranch, output_bb and output_bvd. Add long branch length
4010 (fbranch patterns): Handle long branches.
4011 (jump): Revise length check. Revise arguments for output_lbranch call.
4012 Add long branch length attributes.
4013 (decrement_and_branch_until_zero): Add long branch length attributes.
4014 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4015 Likewise. Revise arguments for output_parallel_addb and
4016 output_parallel_movb calls.
4017 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4018 output_parallel_movb and output_parallel_addb): Update prototypes.
4019 * pa.c (output_cbranch): Revise arguments. Correct handling of
4020 nullification in long branches.
4021 (output_lbranch): Add new argument to control extraction of delay
4023 (output_bb): Handle long branches.
4024 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4025 output_parallel_addb): Likewise.
4027 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4029 PR rtl-optimization/27073
4030 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4033 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4035 * tree.h (tree_memory_tag): Add old_used_alone.
4036 (SMT_OLD_USED_ALONE): New macro.
4037 * tree-ssa-alias.c (recalculate_used_alone): Stop
4038 marking things for renaming unnecessarily.
4040 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4042 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4043 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4044 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4045 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4046 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4047 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4048 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4049 spelling convensions.
4050 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4051 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4052 typos. Follow spelling conventions.
4054 2006-04-07 DJ Delorie <dj@redhat.com>
4056 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4057 passed on the stack.
4058 (m32c_init_cumulative_args): When a function returns a structure,
4059 always pass the pointer to that return area on the stack.
4060 (m32c_function_arg_advance): Don't increment the parameter number
4061 if we're processing the returned structure pointer.
4062 (pushm_info): Reverse order of registers.
4064 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4066 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4067 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4068 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4069 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4071 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4072 chrec_fold_multiply): Same.
4073 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4074 force_expr_to_var_cost): Same.
4075 * tree-mudflap.c (mf_xform_derefs_1): Same.
4076 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4078 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4080 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4081 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4084 2006-04-07 Jan Hubicka <jh@suse.cz>
4086 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4088 2006-04-07 Richard Guenther <rguenther@suse.de>
4090 PR tree-optimization/26135
4091 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4092 loads for store copy-prop.
4093 (copy_prop_visit_stmt): Likewise.
4095 2006-04-05 Robert Millan <robertmh@gnu.org>
4097 * config/i386/linux.h: Add a comment to mark macros that are
4098 being overriden in config/k*bsd-gnu.h.
4099 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4101 * config/knetbsd-gnu.h: Ditto.
4103 2006-04-06 Jan Hubicka <jh@suse.cz>
4107 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4110 2006-04-06 Mike Stump <mrs@apple.com>
4112 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4113 for HAVE_nonlocal_goto to be consistent.
4114 (expand_builtin_nonlocal_goto): Likewise.
4115 (expand_builtin_strcmp): Use #ifdef instead of #if
4116 for HAVE_cmpstrnsi to be consistent.
4118 2006-04-05 DJ Delorie <dj@redhat.com>
4120 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4123 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4125 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4126 got-relative addressing for anything but SImode.
4128 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4129 even if the calling function doesn't modify them.
4131 2006-04-05 Richard Guenther <rguenther@suse.de>
4133 PR tree-optimization/26919
4134 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4135 to cgraph_estimate_size_after_inlining.
4137 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4139 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4141 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4143 PR tree-optimization/26996
4144 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4145 VECTOR_TYPE variables.
4147 2006-04-05 Richard Guenther <rguenther@suse.de>
4149 PR tree-optimization/26763
4150 * fold-const.c (fold_comparison): Move folding of
4151 PTR + CST CMP PTR + CST ...
4152 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4154 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4156 * doc/install.texi (Prerequisites): Refine some wording on
4157 bootstrapping and ksh.
4158 Move the version numbers of DejaGnu here from the testing section
4159 and fix casing of names.
4160 Fix markup and clarify wording for autogen requirements.
4161 Refer to GCJ instead of just java.
4162 Refer to SVN instead of CVS.
4163 Describe diffutils as useful instead of necessary.
4164 (Downloading the source): Refer to SVN instead of CVS.
4165 Adjust a link to our web site accordingly.
4166 (Configuration): Fix casing of Bison.
4167 (Building): Refer to SVN instead of CVS.
4168 Fix a sentence on the use of Bison and remove duplicate (and
4169 incorrect) version number of Bison requirement.
4170 Remove one redundant list of packages needed for building.
4171 (Specific): Avoid reference to CVS.
4173 2006-04-04 Eric Christopher <echristo@apple.com>
4175 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4176 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4177 (rs6000_handle_struct_attribute): New.
4178 (rs6000_ms_bitfield_layout_p): Ditto.
4180 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4182 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4183 NULL for dso parameter to atexit_common.
4185 2006-04-04 Eric Christopher <echristo@apple.com>
4187 * config/i386/i386.c (machopic_output_stub): Output \t
4188 between instructions and operands.
4190 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4192 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4193 satisfies_constraint_[IL] to explicit tests on value.
4195 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4197 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4198 set_nb_iterations_in_loop): Use build_int_cst instead of
4200 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4201 build_int_cst instead of convert.
4203 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4205 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4206 new value 2 for incoming.
4207 * function.c (expand_function_start): Call struct_value_rtx
4209 * config/sparc/sparc.md: Comment updated_return.
4210 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4211 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4212 struct return if sparc_std_struct_return and incoming is 2.
4213 (print_operand): Do not adjust return if
4214 sparc_std_struct_return.
4216 2006-04-04 Roger Sayle <roger@eyesopen.com>
4218 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4219 convert in the middle-end.
4220 * expr.c (store_expr, store_constructor, get_inner_reference,
4221 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4223 * tree.c (build_range_type): Likewise.
4225 2006-04-04 Tom Tromey <tromey@redhat.com>
4227 * doc/install.texi (Prerequisites): Mention jar.
4229 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4231 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4234 2006-04-04 Matthias Klose <doko@debian.org>
4236 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4237 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4240 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4242 * doc/extend.texi (Function Attributes): Rewrite visibility
4243 attribute documentation.
4244 * doc/invoke.texi (C++ Dialect Options): Rewrite
4245 -fvisibility-inlines-hidden documentation to describe something
4246 entirely different, although in practise compatible.
4247 (Code Gen Options): Warn about system headers in -fvisibility=
4250 * doc/extend.texi (Other Builtins): Document that
4251 __builtin_nan is a compile-time constant only when its argument
4254 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4256 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4257 trying to remove TRUNCATE check if all bits outside the new mode
4258 are identical to the sign bit.
4260 2006-04-03 Jeff Law <law@redhat.com>
4262 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4263 and operand scanning in some common cases.
4265 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4266 Dale Johannesen <dalej@apple.com>
4269 * regclass.c (struct reg_pref): Update documentation.
4270 (regclass): Set prefclass to NO_REGS if memory is the best option.
4271 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4272 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4273 into account. For non-registers, equate an empty preferred
4274 reload class to a `!' in the constraint; move the if clause to
4275 do so after those that reject the insn.
4276 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4278 (find_dummy_reload): Likewise.
4279 * doc/tm.texi (Register Classes): Document what it means
4280 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4281 * config/i386/i386.c (ix86_preferred_reload_class): Force
4282 using SSE registers (and return NO_REGS for floating-point
4283 constants) if math is done with SSE.
4284 (ix86_preferred_output_reload_class): New.
4285 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4286 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4287 * config/i386/i386.md: Remove # register preferences.
4289 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4292 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4293 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4294 the type of nb_iter.
4295 (instantiate_parameters_1): Convert the operands before calling
4296 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4297 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4299 2006-04-02 Roger Sayle <roger@eyesopen.com>
4301 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4302 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4304 * dojump.c (do_jump): Likewise.
4305 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4306 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4307 gimplify_boolean_expr): Likewise.
4308 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4309 * varasm.c (array_size_for_constructor): Likewise.
4310 * tree-object-size.c (compute_object_offset): Likewise.
4312 2006-04-02 Roger Sayle <roger@eyesopen.com>
4315 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4316 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4318 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4320 PR tree-optimization/26939
4321 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4323 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4325 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4326 at_stmt. Convert the type of operands before calling
4327 build_polynomial_chrec.
4328 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4330 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4331 (instantiate_parameters_1): Convert the type of operands before calling
4332 build_polynomial_chrec.
4333 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4334 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4335 reset_evolution_in_loop): Insert asserts to check the types of the
4337 (chrec_type): Moved...
4338 (eq_evolutions_p): Use operand_equal_p.
4339 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4340 the types of the operands.
4341 (chrec_type): ...here.
4342 * tree-data-ref.c (create_data_ref): Convert the operands before
4343 calling chrec_replace_initial_condition.
4344 (same_access_functions, analyze_subscript_affine_affine,
4345 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4346 (compute_subscript_distance, analyze_ziv_subscript,
4347 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4348 analyze_miv_subscript): Convert the operands before calling
4349 chrec_fold_minus or chrec_fold_plus.
4351 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4353 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4354 the dependence_relations vector.
4355 (compute_data_dependences_for_loop): Adjust call to
4356 compute_all_dependences.
4358 2006-04-01 Roger Sayle <roger@eyesopen.com>
4359 Richard Henderson <rth@redhat.com>
4361 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4362 gimple_boolify on the condition before calling gimplify_expr.
4364 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4366 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4367 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4368 the frame size. Update to use the new macros.
4369 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4370 * config/xtensa/ieee754-df.S: Likewise.
4372 2006-03-31 Richard Henderson <rth@redhat.com>
4374 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4375 (make_edges): ... here. Control fallthru creation with a local
4376 variable. Do not play with fake edges.
4377 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4378 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4381 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4383 * dwarf2.h (DW64_CIE_ID): Define.
4384 * dwarf2out.c (DWARF_CIE_ID): Define.
4385 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4386 length header. Use DWARF_CIE_ID.
4387 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4388 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4390 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4392 * config/sh/linux-atomic.asm: New file.
4393 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4395 2006-03-31 DJ Delorie <dj@redhat.com>
4397 * config/m32c/cond.md: Set condition flags properly throughout.
4398 * config/m32c/minmax.md: Likewise.
4399 * config/m32c/prologue.md: Likewise.
4400 * config/m32c/bitops.md: Likewise.
4401 * config/m32c/muldiv.md: Likewise.
4402 * config/m32c/mov.md: Likewise.
4403 * config/m32c/addsub.md: Likewise.
4404 * config/m32c/m32c.md: Likewise.
4405 * config/m32c/jump.md: Likewise.
4406 * config/m32c/shift.md: Likewise.
4408 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4409 conditionally output the pattern for this.
4410 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4411 (m32c_compare_redundant): New.
4412 (m32c_output_compare): New.
4413 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4415 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4416 dest, not src. Allow other 4-byte modes.
4418 2006-03-30 Denis Chertykov <denisc@overta.ru>
4420 * doc/md.texi: Refer to avr/constraints.md instead of
4423 2006-03-30 Roger Sayle <roger@eyesopen.com>
4425 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4426 signed vs. unsigned comparison failures on some hosts.
4428 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4431 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4432 change to FLOAT_REGS.
4434 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4435 (rs6000_override_options): Use it.
4436 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4437 only for -mabi=spe/no-spe and -mabi=altivec.
4439 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4441 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4444 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4446 * Makefile.in: Rename docdir to gcc_docdir.
4448 2006-03-30 Roger Sayle <roger@eyesopen.com>
4451 * expr.c (emit_group_store): Optimize group stores into a pseudo
4452 register by using a paradoxical subreg to initialize the destination
4453 if the first or last member of the group specifies a "low part".
4455 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4458 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4459 * target.h (struct gcc_target.speculate_insn): Change type of the
4460 second parameter to 'int'.
4461 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4462 the second operand of the DEPS_LIST.
4463 (copy_DEPS_LIST_list): Update reference to the second operand of the
4465 * rtl.h (alloc_DEPS_LIST): Update signature.
4466 * sched-int.h (ds_t): Change typedef to 'int'.
4467 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4469 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4471 * haifa-sched.c (try_ready): Change condition to restore
4472 non-speculative pattern of the instruction.
4473 (process_insn_depend_be_in_spec): Code to keep probability of the
4474 speculative dependence non-decreasing.
4476 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4478 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4479 (single_move_for_movmem): ... this. Also change all uses.
4480 (bfin_expand_strmov): Renamed to...
4481 (bfin_expand_movmem): ... this. Also change all uses.
4482 * config/bfin/bfin.md (movstrsi): Renamed to...
4483 (movstrsi): ...this.
4485 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4487 PR tree-optimization/26830
4489 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4490 (copy_prop_visit_stmt): Remove write-only variable ann.
4491 (init_copy_prop): Check variable loop depth here. Do not simulate
4492 memory-tag and virtual operand PHIs except for store copy prop.
4494 2006-03-30 Richard Guenther <rguenther@suse.de>
4496 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4497 variants with double arguments.
4499 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4501 * genpreds.c (write_tm_constrs_h): Delete variable p.
4502 * genconditions.c (write_header): Add tm-constrs.h to included
4504 * genpeep.c (main): Add toplev.h to included headers.
4505 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4506 (build/genpeep.o): Add toplev.h dependency.
4507 * config/rs6000/constraints.md: Add "W" constraint.
4509 2006-03-29 Roger Sayle <roger@eyesopen.com>
4511 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4512 sizes by correctly testing whether the size fits a host integer.
4513 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4514 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4515 SImode range for the default sizetype and bitsizetype.
4517 2006-03-29 Roger Sayle <roger@eyesopen.com>
4519 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4520 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4521 quickly if the argument is already of the correct type.
4522 Call fold_build1 instead of build1. Tidy up blank lines.
4524 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4526 * genemit.c (main): Add tm-constrs.h to included headers.
4527 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4528 * genpeep.c (main): Add tm-constrs.h to included headers.
4529 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4530 (write_tm_constrs_h): this and write complete file.
4531 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4532 (write_insn_preds_c): Add tm-constrs.h to included headers.
4533 (gen_constrs): New variable.
4534 (parse_option): Parse "-c".
4535 (main): Invoke write_tm_constrs_h.
4536 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4537 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4538 (object_out_file): Add tm-constrs.h dependency.
4539 (insn-emit.o): Same.
4540 (insn-output.o): Same.
4541 (insn-peep.o): Same.
4542 (insn-preds.o): Same.
4543 (insn-recog.o): Same.
4544 (tm-constsr.h): New target.
4545 (s-constrs-h): New target.
4547 * config/rs6000/constraints.md: New file.
4548 * config/rs6000/rs6000.c: Include tm-constrs.h.
4549 (num_insn_constant_wide): Convert to satisfies_constraint.
4550 (rs6000_rtx_costs): Convert to satisfies_constraint.
4551 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4552 (CONST_OK_FOR_LETTER_P): Delete.
4553 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4554 (EXTRA_CONSTRAINT): Delete.
4555 (EXTRA_MEMORY_CONSTRAINT): Delete.
4556 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4557 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4558 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4559 satisfies_constraint.
4561 * config/i386/i386.c: Include tm-constrs.h.
4563 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4565 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4566 * tree-data-ref.c (find_data_references_in_loop,
4567 compute_data_dependences_for_loop): Use pointers to VEC.
4568 (analyze_all_data_dependences): Adjust calls.
4569 * tree-data-ref.h (find_data_references_in_loop,
4570 compute_data_dependences_for_loop): Adjust declarations.
4571 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4572 compute_data_dependences_for_loop.
4574 2006-03-29 Paul Brook <paul@codesourcery.com>
4576 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4579 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4581 PR tree-optimization/26859
4582 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4584 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4585 for the step after fold_convert.
4587 2006-03-29 Paul Brook <paul@codesourcery.com>
4589 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4590 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4592 2006-03-29 Paul Brook <paul@codesourcery.com>
4595 * targhooks.c (default_narrow_bitfield): New fuction.
4596 * targhooks.h (default_narrow_bitfield): add prototype.
4597 * target.h (gcc_target): Add narrow_volatile_bitfield.
4598 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4599 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4600 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4601 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4603 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4605 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4607 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4608 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4609 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4610 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4611 (s390_function_arg_float): Allow SDmode and DDmode values to be
4612 passed in floating point registers.
4613 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4614 check with SCALAR_FLOAT_MODE_P.
4615 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4617 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4619 PR tree-optimization/25985
4620 * tree-ssa-loop-niter.c (number_of_iterations_le,
4621 number_of_iterations_ne): Make comments more precise.
4622 (number_of_iterations_cond): Add only_exit argument. Use the
4623 fact that signed variables do not overflow only when only_exit
4625 (loop_only_exit_p): New.
4626 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4627 number_of_iterations_cond.
4629 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4631 PR tree-optimization/26643
4632 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4635 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4637 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4638 (divsi3_i4_int): Likewise.
4640 2006-03-28 Roger Sayle <roger@eyesopen.com>
4642 * expr.c (emit_group_store): Only create a new pseudo reg if the
4643 quantity it needs to hold isn't already a suitable pseudo.
4645 2006-03-28 Jeff Law <law@redhat.com>
4647 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4648 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4650 2006-03-28 Roger Sayle <roger@eyesopen.com>
4652 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4653 the equivalent ~X & Y, and the symmetry related transformations.
4654 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4655 ~X & Y, and symmetry related transforms.
4657 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4659 Revert my 2006-03-27 patches.
4661 2006-03-28 Roger Sayle <roger@eyesopen.com>
4663 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4664 ~(T1)X, when T1 and T2 are integer types of the same precision
4665 and (T2)X isn't an extension.
4667 2006-03-28 Jeff Law <law@redhat.com>
4669 PR tree-optimization/26796
4670 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4671 need EH edge cleanups rather than purging them immediately.
4672 (eliminate_degenerate_phis): Handle queued EH cleanups.
4674 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4676 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4679 2006-03-27 Roger Sayle <roger@eyesopen.com>
4682 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4683 cast BIT_NOT_EXPR operand to the correct type.
4685 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4687 * tree-loop-linear.c: Don't include varray.h.
4688 (gather_interchange_stats, try_interchange_loops,
4689 linear_transform_loops): Use VEC instead of VARRAY.
4690 * lambda-mat.c: Don't include varray.h.
4691 * tree-chrec.c: Same.
4692 * lambda-trans.c: Same.
4693 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4694 VEC instead of VARRAY.
4695 * tree-vectorizer.h: Idem.
4696 * tree-data-ref.c (dump_data_references,
4697 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4698 initialize_data_dependence_relation, finalize_ddr_dependent,
4699 compute_all_dependences, find_data_references_in_loop,
4700 compute_data_dependences_for_loop, analyze_all_data_dependences,
4701 free_dependence_relation, free_dependence_relations,
4702 free_data_refs): Idem.
4703 * tree-data-ref.h (data_reference_p, subscript_p): New.
4704 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4705 VEC instead of VARRAY.
4706 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4707 (find_data_references_in_loop, compute_data_dependences_for_loop,
4708 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4709 dump_data_dependence_relations, free_dependence_relations,
4710 free_data_refs): Adjust declaration.
4711 (lambda_transform_legal_p): Move declaration here...
4712 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4713 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4714 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4715 vect_analyze_data_refs): Use VEC instead of VARRAY.
4716 * lambda.h (lambda_transform_legal_p): ...from here.
4717 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4718 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4719 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4720 tree-chrec.o): Don't depend on VARRAY_H.
4722 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4724 * rtl.def (Copyright): Update date.
4725 (DEPS_LIST): Change type of the second operand to 'int'.
4726 * target.h (Copyright): Update date.
4727 (struct gcc_target.speculate_insn): Change type of the second parameter
4729 * lists.c (Copyright): Update date.
4730 (alloc_DEPS_LIST): Change signature. Update reference to the second
4731 operand of the DEPS_LIST.
4732 (copy_DEPS_LIST_list): Update reference to the second operand of the
4734 * rtl.h (Copyright): Update date.
4735 (alloc_DEPS_LIST): Update signature.
4736 * sched-int.h (Copyright): Update date.
4737 (ds_t): Change typedef to 'int'.
4738 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4740 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4742 * haifa-sched.c (Copyright): Update date.
4743 (try_ready): Change condition to restore non-speculative pattern
4745 (process_insn_depend_be_in_spec): Code to keep probability of the
4746 speculative dependence non-decreasing.
4748 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4750 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4751 shut up the compiler.
4753 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4755 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4756 to use lib prefix for target.
4757 ($(T)libic_invalidate_array_4-200.a): Likewise.
4758 ($(T)libic_invalidate_array_4a.a): Likewise.
4760 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4761 J"orn Rennecke <joern.rennecke@st.com>
4763 * superh.opt: New file.
4764 * sh.c (boardtype, osruntime): Remove.
4765 * superh.h (SUBTARGET_OPTIONS): Remove.
4766 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4768 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4769 arguments with ^ and/or [].
4771 * config.gcc (sh-*-*): Add quoting to account for quirk of
4773 Replace == with = in enable_incomplete_targets test.
4775 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4776 with MASK_LITTLE_ENDIAN.
4778 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4779 * config/sh/sh.opt: Added to some comments.
4780 * config/sh/superh.h: Removed some chaff.
4782 * config/sh/sh.opt: Add m4-[1234]00* options.
4783 * config/sh/sh.c (sh_handle_option): Likewise.
4784 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4785 (ic_invalidate_array_4-100.o): New rule.
4786 ($(T)libic_invalidate_array_4-100.a): Likewise.
4787 (ic_invalidate_array_4-200.o): Likewise.
4788 ($(T)libic_invalidate_array_4-200.a): Likewise.
4789 (ic_invalidate_array_4a.o): Likewise.
4790 ($(T)libic_invalidate_array_4a.a): Likewise.
4791 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4792 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4794 * config/sh/crt1.asm: Merged in profiling code.
4795 * config/sh/superh.h (STARTFILE_SPEC): Override.
4796 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4797 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4798 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4800 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4801 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4802 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4804 * sh.opt (mpretend-cmove): New option.
4805 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4806 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4807 (movsicc): Add TARGET_PRETEND_CMOVE code.
4809 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4811 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4812 s390_class_max_nregs): New function prototypes.
4813 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4814 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4815 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4816 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4818 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4820 * dwarf2out.c (add_location_or_const_value_attribute): Call
4821 tree_add_const_value_attribute if nothing else works.
4822 (reference_to_unused): New.
4823 (rtl_for_decl_init): Use reference_to_unused to decide whether
4824 to output an initializer.
4826 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4829 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4830 peephole removing spe frob_di_df_2.
4832 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4834 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4835 (subscript_dependence_tester_1): Declared.
4836 (print_dir_vectors, print_dist_vectors): New.
4837 (debug_data_dependence_relation): New.
4838 (dump_data_dependence_relation): Print more details.
4839 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4840 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4841 (save_dist_v, save_dir_v, add_outer_distances,
4842 build_classic_dist_vector_1): New.
4843 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4844 Don't test for lambda_vector_lexico_pos.
4845 (same_access_functions, add_multivariate_self_dist,
4846 add_other_self_distances, dir_from_dist): New.
4847 (build_classic_dir_vector): Replace implementation almost identical to
4848 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4850 (subscript_dependence_tester_1): New.
4851 (subscript_dependence_tester): Handle the lexicographically negative
4852 distance vectors by recomputing the dependence relation.
4853 (compute_affine_dependence): Remove parameter loop_nest_depth.
4854 (compute_self_dependence): Don't call compute_subscript_distance.
4855 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4856 Add a parameter for the loop_nest.
4857 (find_loop_nest_1, find_loop_nest): New.
4858 (compute_data_dependences_for_loop): Compute the loop nest, and give
4859 up if the nest is not well formed.
4860 * tree-data-ref.h (loop_p): New.
4861 (struct data_dependence_relation): Replace size_vect field with
4862 loop_nest, a vec of loops.
4863 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4864 (DDR_LOOP_NEST): New.
4865 (print_dir_vectors, print_dist_vectors,
4866 debug_data_dependence_relation): Declared.
4867 (index_in_loop_nest): New.
4868 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4869 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4872 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4874 * simplify-rtx.c (simplify_relational_operation): Call
4875 simplify_relational_operation_1 even if mode is VOIDmode.
4877 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4879 PR tree-optimization/26804
4880 * tree.h (DECL_CALL_CLOBBERED): New macro.
4881 (tree_decl_common): Add call_clobbered_flag.
4882 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4883 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4884 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4885 (mark_non_addressable): Ditto.
4886 * tree-ssa.c (verify_call_clobbered): New function.
4887 (verify_alias_info): Use it.
4888 * tree-pass.h (pass_reset_cc_flags): New prototype.
4889 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4890 (reset_cc_flags): New function.
4891 * passes.c (init_optimization_passes): Call reset_cc_flags after
4892 initializing referenced_vars.
4894 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4895 Roger Sayle <roger@eyesopen.com>
4898 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4899 to 1.0 for non-real operands. Implement A / A optimization for
4902 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4904 * config/i386/i386.c (size_cost): Correct the comment for
4905 cost of storing fp registers.
4906 (i386_cost): Likewise.
4907 (i486_cost): Likewise.
4908 (pentium_cost): Likewise.
4909 (pentiumpro_cost): Likewise.
4910 (k6_cost): Likewise.
4911 (athlon_cost): Likewise.
4912 (k8_cost): Likewise.
4913 (pentium4_cost): Likewise.
4914 (nocona_cost): Likewise.
4915 (generic64_cost): Likewise.
4916 (generic32_cost): Likewise.
4918 2006-03-24 Denis Chertykov <denisc@overta.ru>
4920 * config/avr/avr-protos.h (extra_constraint): Delete.
4921 (extra_constraint_Q): New declaration.
4922 * config/avr/constraints.md: New file.
4923 * config/avr/avr.md: Include it.
4924 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4925 (TMP_REGNO, ZERO_REGNO): Likewise.
4926 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4927 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4928 (extra_constraint): Delete.
4929 (extra_constraint_Q): Test for memory constraint 'Q'.
4930 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4931 (REG_CLASS_FROM_LETTER): Delete.
4932 (CONST_OK_FOR_LETTER_P): Delete.
4933 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4934 (EXTRA_CONSTRAINT): Delete.
4935 (TMP_REGNO): Delete.
4936 (ZERO_REGNO): Delete.
4938 2006-03-24 Jeff Law <law@redhat.com>
4940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4941 directly. Call mark_new_vars_to_rename slightly earlier.
4943 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4945 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4947 (gen_compile_unit_die): Use new language types for Objective-C and
4949 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4950 DW_LANG_C_plus_plus.
4953 * config/t-darwin (crt3.o): Work around bug 26840.
4954 * config/darwin-crt3.c: Rewrite.
4955 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4957 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4959 * doc/invoke.texi: Document -femit-class-debug-always
4960 * common.opt: Add -femit-class-debug-always.
4962 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4964 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4965 index and base register.
4966 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4967 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4968 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4969 REGNO_OK_FOR_INDEX_P.
4970 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4972 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4973 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4974 REG_OK_FOR_BASE_P): Definitions removed.
4976 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4979 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4980 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4981 set yet or weren't marked as local yet.
4983 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4985 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4988 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4990 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4991 (rs6000_legitimate_small_data_p): Delete.
4992 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4993 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4994 and make static. Add forward declaration. Update uses.
4995 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4996 of offsettable_memref_p.
4997 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4998 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5000 2006-03-24 Jeff Law <law@redhat.com>
5002 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5003 around bug in immediate-use iterator.
5005 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5008 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5009 or __LITTLE_ENDIAN__.
5011 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5013 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5014 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5015 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5016 * config/sh/sh.opt (mdiv=): Amend description.
5017 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5018 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5019 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5020 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5021 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5022 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5023 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5024 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5025 TARGET_DIVIDE_CALL_FP.
5027 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5029 * haifa-sched.c (choose_ready): Fix type of the local variable.
5030 Move local variables. Add comment.
5031 (check_reg_live): Change signature. Make callable from debugger.
5032 * sched-int.h (check_reg_live): Update signature.
5033 * sched-ebb.c (check_reg_live): Update parameters.
5034 * sched-rgn.c (check_reg_live): Ditto.
5035 (region_head_or_leaf_p): Check pointer before dereferencing.
5036 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5037 before reload on optimization levels below 1.
5039 2006-03-23 Richard Henderson <rth@redhat.com>
5041 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5045 * config/alpha/predicates.md (local_symbolic_operand): Reject
5048 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5051 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5052 expressions which have overflowed constants.
5054 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5056 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5058 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5060 * cfgloopmanip.c (create_loop_notes): Removed.
5061 * final.c (final_scan_insn): Do not handle loop notes.
5062 * jump.c (squeeze_notes): Ditto.
5063 * cfglayout.c (skip_insns_after_block,
5064 duplicate_insn_chain): Ditto.
5065 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5067 * cfgloop.h (create_loop_notes): Declaration removed.
5069 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5071 * varasm.c (output_constant_pool): Restore fnname and fndecl
5073 (assemble_start_function): Adjust call accordingly.
5074 (assemble_end_function): Likewise.
5076 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5079 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5082 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5084 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5087 * system.h (ICE_EXIT_CODE): New macro.
5088 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5089 (diagnostic_action_after_output): Likewise.
5090 * gcc.c (fatal_ice): New function.
5091 (execute): Use it instead of fatal.
5092 (fancy_abort): Likewise.
5093 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5095 2006-03-22 Jeff Law <law@redhat.com>
5097 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5098 iv_analyze_result returning false.
5100 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5102 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5104 2006-03-22 Richard Henderson <rth@redhat.com>
5107 * except.c (duplicate_eh_regions_0): New.
5108 (duplicate_eh_region_1): Duplicate the children of the node as
5109 well as the node itself. Link them up properly.
5110 (duplicate_eh_region_2): Merge into ...
5111 (duplicate_eh_regions): ... here. Take copy_region argument, and
5112 copy only a sub-tree if asked. Simplify copying and fixup.
5113 (eh_region_outer_p): New.
5114 * except.h (duplicate_eh_regions): Update decl.
5115 (eh_region_outer_p): Declare.
5116 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5117 (lower_omp_master): Likewise.
5118 (lower_omp_ordered): Likewise.
5119 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5120 (move_stmt_r): Use it to remap labels. Handle recursion vs
5121 remap_decls_p properly.
5122 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5123 (find_outermost_region_in_block): New.
5124 (new_label_mapper): New.
5125 (move_sese_region_to_fn): Copy eh information to the new function
5127 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5129 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5132 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5134 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5135 into shared libraries.
5137 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5139 * doc/md.texi: Refer to i386/constraints.md instead of
5141 * config/i386/constraints.md: New file, extracted from...
5142 * config/i386/predicates.md: ...here.
5143 * config/i386/i386.md: Include constraints.md.
5145 2006-03-21 Jason Merrill <jason@redhat.com>
5147 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5150 * expr.c (init_block_move_fn): Force default visibility.
5151 (init_block_clear_fn): Likewise.
5152 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5153 * targhooks.c (default_external_stack_protect_fail): Likewise.
5155 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5157 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5158 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5159 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5160 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5161 (loadgp): Use mips_current_loadgp_style.
5162 (loadgp_noshared): New pattern.
5163 (sibcall_internal): Use MIPS_CALL.
5164 (sibcall_value_internal): Likewise.
5165 (sibcall_value_multiple_internal): Likewise.
5166 (call_internal): Likewise.
5167 (call_value_internal): Likewise.
5168 (call_value_multiple_internal): Likewise.
5169 (call_split): Use MIPS_CALL and add an 'S' constraint.
5170 (call_value_split): Likewise.
5171 (call_value_multiple_split): Likewise.
5172 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5173 (-mshared): New option.
5174 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5175 (mips_current_loadgp_style): Declare.
5176 * config/mips/mips.c (mips_classify_symbol): Avoid using
5177 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5178 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5179 TARGET_ABSOLUTE_ABICALLS.
5180 (override_options): Adjust comments. Improve the warning that is
5181 issued when -mabicalls and -G are used together.
5182 (mips_file_start): Remove comment.
5183 (mips_current_loadgp_style): New function.
5184 (mips_gnu_local_gp): New variable.
5185 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5187 (mips_output_function_prologue): Use mips_current_laodgp_style.
5188 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5189 the cprestore instruction.
5190 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5191 live for TARGET_ABSOLUTE_ABICALLS.
5192 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5193 (ASM_SPEC): Pass down -mshared and -mno-shared.
5194 (MIPS_CALL): New macro.
5195 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5197 * doc/invoke.texi (-mabicalls): Update documentation.
5198 (-mshared): Document.
5200 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5202 * config/ia64/unwind-hpux.c: New file.
5203 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5205 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5208 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5210 2006-03-21 Jeff Law <law@redhat.com>
5212 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5213 type conversions of a VR_VARYING source to a wider type.
5215 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5217 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5218 tm_file on Solaris 10 and later.
5219 (sparc64-*-solaris2*): Likewise.
5220 (sparc-*-solaris2*): Likewise.
5221 * config/sol26.h: Rename to config/sol2-6.h.
5222 * config/sol2-10.h: New file.
5224 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5227 * tree-ssa-pre.c (create_component_ref_by_pieces):
5230 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5233 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5234 return it immediately.
5236 2006-03-21 Michael Matz <matz@suse.de>
5238 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5240 (remove_arc, add_arc): Update num_out_arcs member.
5241 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5243 (cache_presence): New function.
5244 (compare_states_for_equiv): New function.
5245 (state_is_differed): Don't take number of outargs, adjust callers.
5246 Use new invariant for speeding up.
5247 (init_equiv_class): Create initial classes based on sorted
5249 (partition_equiv_class): Don't track out_arcs_num.
5250 (evaluate_equiv_classes): Call cache_presence on all states and
5253 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5255 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5256 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5257 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5258 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5260 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5261 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5262 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5263 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5264 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5266 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5267 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5268 (REGNO_REG_CLASS): ARGP is in PREGS.
5269 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5271 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5272 to deal with those addresses.
5273 * addresses.h: New file.
5274 * caller-save.c: Include "addresses.h".
5275 (init_caller_save): Use new base_reg_class function.
5276 * rtl-factoring.c: Include "addresses.h".
5277 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5278 * recog.c: Include "addresses.h".
5279 (preprocess_constraints): Use new base_reg_class function.
5280 * regrename.c: Include "addresses.h".
5281 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5282 functions. Keep track of a new var INDEX_CODE to compute valid
5284 (replace_oldest_value_addr): Likewise.
5285 (replace_oldest_value_mem): Use base_reg_class.
5286 * reload.c: Include "addresses.h".
5287 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5288 (find_reloads): Use new base_reg_class function.
5289 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5290 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5291 all callers and prototype changed.
5292 * reload1.c: Include "addresses.h".
5293 (maybe_fix_stack_asms): Use base_reg_class.
5294 * regclass.c: Include "addresses.h".
5295 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5296 (init_reg_autoinc): Use new base_reg_class function.
5297 (record_reg_classes): Likewise.
5298 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5299 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5300 Use new args to compute necessary class.
5302 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5303 regrename.o, rtl-factoring.o): Update dependencies.
5304 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5305 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5306 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5307 REG_OK_FOR_INDEX_P): Delete documentation.
5309 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5311 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5312 from V7 to V9 for Solaris 7 and above.
5314 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5316 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5317 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5318 argument pointers may not alias any other storage.
5319 * common.opt: Define option -fargument-noalias-anything.
5320 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5321 alias semantics is specified by flag_argument_noalias > 2.
5323 2006-03-20 Jeff Law <law@redhat.com>
5325 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5326 (pass_phi_only_cprop): Declare.
5327 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5329 * tree-ssa-dom.c (degenerate_phi_result): New function.
5330 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5331 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5332 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5333 (eliminate_degenerate_phis): Likewise.
5334 (pass_phi_only_cprop): New pass descriptor.
5335 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5336 support code. Callers updated.
5337 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5338 (store_copy_prop): Likewise.
5339 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5341 2006-03-20 Jason Merrill <jason@redhat.com>
5344 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5345 (push_visibility, pop_visibility): Likewise.
5346 * c-pragma.h: Declare them.
5348 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5350 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5352 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5353 parameter and use get_ebb_head_tail.
5354 (sh_md_init_global): Adjust uses of find_regmode_weight.
5356 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5358 * function.h (struct function) <x_tail_recursion_reentry>:
5359 Rename to x_stack_check_probe_note.
5360 (tail_recursion_reentry): Rename to stack_check_probe_note.
5361 * function.c: Replace tail_recursion_reentry with
5362 stack_check_probe_note everywhere.
5363 (expand_function_start): Only emit a note for
5364 stack_check_probe_note with -fstack-protect.
5365 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5367 * emit-rtl.c (remove_unnecessary_notes): Remove.
5368 (pass_remove_unnecessary_notes): Remove.
5369 * rtl.h (remove_unnecessary_notes): Remove prototype.
5370 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5371 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5372 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5374 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5377 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5378 (valid_in_set): Handle ARRAY_REF.
5379 Change "if min_variant or VH" to asserts.
5380 (create_component_ref_by_pieces): Handle ARRAY_REF.
5381 (create_expression_by_pieces): Likewise.
5382 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5384 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5386 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5387 is operand of switch, not str[0].
5389 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5391 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5392 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5394 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5396 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5397 end of insn_extra_address_constraint declaration.
5399 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5401 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5402 (no-sum-in-toc): Same.
5403 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5405 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5406 NO_FP_IN_TOC for -fPIC instead of mask.
5408 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5409 (BOOT_LDFLAGS): Delete.
5411 * config/rs6000/t-aix52: Same.
5413 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5414 (stmsi[345678]_power): New.
5416 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5418 * config/ia64/ia64.opt: Add empty line to end of file.
5420 2006-03-17 Richard Guenther <rguenther@suse.de>
5423 * builtins.c (get_pointer_alignment): For component style references
5424 adjust alignment to the component type alignment. Make sure
5425 to adjust alignment for component access of constants.
5427 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5429 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5432 2006-03-17 Paul Brook <paul@codesourcery.com>
5434 * doc/install.texi: Docuemnt --with-mode.
5435 * config.gcc: Add --with-mode for arm*-*-*.
5436 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5438 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5440 * sh.c (max_labelno_before_reorg): New variable.
5441 (sh_reorg): Initialize it.
5442 (find_barrier): Check max_labelno_before_reorg before using
5443 label_to_alignment. Take length of explicit alignment insns
5444 into account. When seeing a UNSPECV_CONST_END, return it.
5446 * sh.c (fixup_mova): Set mode of affected label to QImode.
5447 (untangle_mova): New function.
5448 (find_barrier): Use it. Check mode of label before decrementing
5450 (sh_reorg): Likewise.
5451 Set mode of all insns back to VOIDmode.
5453 * sh.c (MOVA_LABELREF): New macro.
5454 (mova_p, fixup_mova, sh_reorg): Use it.
5455 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5456 ADDR_DIFF_VEC matches mova.
5458 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5460 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5461 with ATTRIBUTE_UNUSED.
5463 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5465 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5466 pointer, instead of assuming it is possible to derive the
5467 correct args size from a call insn.
5469 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5471 * rtl.h (CONST_INT_P): Define.
5472 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5473 instead of GET_CODE(x) == CONST_INT.
5474 (vax_rtx_costs): Likewise.
5475 (vax_output_int_move): Likewise.
5476 (vax_output_int_add): Likewise.
5477 (legitimate_constant_address_p): Likewise.
5478 (index_term_p): Likewise.
5479 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5480 * config/vax/vax.md (and<mode>3): Likewise.
5481 (ashrsi3): Likewise.
5483 (movstricthi): Likewise.
5484 (movstrictqi): Likewise.
5485 (rotrsi3): Likewise.
5486 (five unnamed insns): Likewise.
5488 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5490 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5491 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5492 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5493 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5494 Pass to ASM_OUTPUT_DWARF_OFFSET.
5495 * dwarf2out.c (debug_frame_section): New.
5496 (output_call_frame_info): Use debug_frame_section. Pass it to
5497 dw2_asm_output_offset.
5498 (output_die): Pass appropriate section to dw2_asm_output_offset.
5499 (output_compilation_unit_header): Likewise.
5500 (output_pubnames): Likewise.
5501 (output_aranges): Likewise.
5502 (enum dw_val_class): Break dw_val_class_lbl_offset into
5503 dw_val_class_lineptr and dw_val_class_macptr.
5504 (add_AT_lbl_offset): Delete.
5505 (add_AT_lineptr): New.
5506 (add_AT_macptr): New.
5507 (AT_lbl): Expect a lineptr or macptr.
5508 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5509 (attr_checksum): Likewise.
5510 (same_dw_val_p): Likewise.
5511 (size_of_die): Likewise.
5512 (value_format): Likewise.
5513 (output_die): Likewise.
5514 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5516 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5517 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5518 * config/darwin-protos.h (darwin_file_start): New.
5519 (darwin_asm_output_dwarf_offset): New.
5520 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5521 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5523 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5524 if not EH section; simplify.
5525 (darwin_file_start): New.
5526 (darwin_asm_output_dwarf_offset): New.
5527 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5529 (DEBUG_INFO_SECTION): Likewise.
5530 (DEBUG_ABBREV_SECTION): Likewise.
5531 (DEBUG_ARANGES_SECTION): Likewise.
5532 (DEBUG_MACINFO_SECTION): Likewise.
5533 (DEBUG_LINE_SECTION): Likewise.
5534 (DEBUG_LOC_SECTION): Likewise.
5535 (DEBUG_PUBNAMES_SECTION): Likewise.
5536 (DEBUG_STR_SECTION): Likewise.
5537 (DEBUG_RANGES_SECTION): Likewise.
5538 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5539 (ASM_OUTPUT_DWARF_OFFSET): New.
5541 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5543 * config.gcc (tm_defines): Always add to previous value rather
5546 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5548 * config/mips/predicates.md (splittable_const_int_operand): New,
5549 split from move_operand.
5550 (splittable_symbolic_operand): New.
5551 (move_operand): Add commentary. Use splittable_const_int_operand.
5552 Inline mips_atomic_symbolic_constant_p.
5553 * config/mips/mips.md: Add combine splitters for handling moves
5554 of splittable_const_int_operands and splittable_symbolic_operands.
5555 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5556 (mips_split_symbol): Declare.
5557 (mips_move_integer): Declare.
5558 * config/mips/mips.c (mips_split_p): Make global.
5559 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5560 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5561 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5562 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5563 (mips_offset_within_object_p): Handle block symbols.
5564 (mips_atomic_symbolic_constant_p): Delete.
5565 (mips_cannot_force_const_mem): Return false for constants that
5566 mips_legitimize_move can handle.
5567 (mips_use_blocks_for_constant_p): New function.
5568 (mips_split_symbol): Make global.
5569 (mips_move_integer): Likewise. Add a temporary register argument.
5570 (mips_legitimize_const_move): Use splittable_const_int_operand and
5571 splittable_symbolic_operand.
5572 (mips_use_anchors_for_symbol_p): New function.
5573 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5574 (mips_split_p): Declare.
5576 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5578 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5579 (mips*-*-linux*): Likewise.
5581 2006-03-16 Roger Sayle <roger@eyesopen.com>
5582 Daniel Speyer <dspeyer@wam.umd.edu>
5585 * tree-dump.c (dump_real): New function.
5586 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5587 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5588 (tree-dump.o): Add $(REAL_H) to the dependencies.
5590 2006-03-16 Roger Sayle <roger@eyesopen.com>
5593 * real.c (real_from_string): If the mantissa is zero, don't bother
5594 parsing the exponent as the result should always be zero.
5596 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5598 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5600 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5602 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5603 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5604 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5605 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5606 ia64_sched_finish_global): New static functions to implement
5607 hooks from gcc_target.sched.
5608 (spec_check_no, max_uid, pending_data_specs): New static variables.
5609 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5610 ia64_spec_check_src_p): New static functions.
5611 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5612 (TARGET_SCHED_ADJUST_COST): Removed.
5613 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5614 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5615 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5616 TARGET_SCHED_GEN_CHECK,
5617 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5618 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5619 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5620 Fixed to handle speculation checks.
5621 (rtx_needs_barrier): Fixed to handle speculative loads and
5623 (ia64_variable_issue): Added code to count speculative loads and their
5625 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5627 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5629 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5631 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5632 (ia64_reorg): Reset stops_p to NULL after it is freed.
5633 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5634 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5635 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5637 (data_speculative, control_speculative, check_load): New attributes.
5638 (mov<mode>_advanced, mov<mode>_speculative,
5639 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5640 zero_extend<mode>di2_speculative,
5641 zero_extend<mode>di2_speculative_advanced): New patterns for
5642 data and control speculative loads.
5643 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5645 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5646 New pattern for data and control speculation checks.
5647 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5648 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5649 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5650 Auxiliary definitions for the patterns.
5651 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5652 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5654 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5656 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5657 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5658 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5659 New resource constraints.
5660 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5662 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5663 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5664 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5665 msched-in-control-spec, msched-ldc, msched-control-ldc,
5666 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5667 msched-prefer-non-control-spec-insns,
5668 msched-count-spec-in-critical-path): New flags to tune speculative
5670 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5671 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5672 msched-in-control-spec, msched-ldc, msched-control-ldc,
5673 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5674 msched-prefer-non-control-spec-insns,
5675 msched-count-spec-in-critical-path): Document new flags.
5677 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5679 * target.h (struct spec_info_def): New opaque declaration.
5680 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5681 speculate_insn, needs_block_p, gen_check,
5682 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5683 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5684 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5685 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5686 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5687 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5689 (TARGET_SCHED): Use new macros.
5690 * rtl.h (copy_DEPS_LIST_list): New prototype.
5691 * sched-int.h (struct sched_info): Change signature of new_ready field,
5692 adjust all initializations. New fields: add_remove_insn,
5693 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5694 region_head_or_leaf_p.
5695 (struct spec_info_def): New structure declaration.
5696 (spec_info_t): New typedef.
5697 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5698 recovery_block, orig_pat.
5699 (glat_start, glat_end): New variables declaraions.
5700 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5702 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5703 DETACH_LIFE_INFO, USE_GLAT.
5704 (enum SPEC_SCHED_FLAGS): New enumeration.
5705 (NOTE_NOTE_BB_P): New macro.
5706 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5707 attach_life_info, debug_spec_status, check_reg_live): New functions.
5708 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5709 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5711 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5712 * ddg.c (get_block_head_tail): Adjust all uses.
5713 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5714 (sms_sched_info): Initialize new fields.
5715 (contributes_to_priority): Removed.
5716 * haifa-sched.c (params.h): New include.
5717 (get_block_head_tail): Adjust all uses.
5718 (ISSUE_POINTS): New macro.
5719 (glat_start, glat_end): New global variables.
5720 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5721 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5722 old_last_basic_block, before_recovery, current_sched_info_var,
5723 rgn_n_insns, luid): New static variables.
5724 (insn_cost1): New function. Move logic from insn_cost to here.
5725 (find_insn_reg_weight1): New function. Move logic from
5726 find_insn_reg_weight to here.
5727 (reemit_notes, move_insn, max_issue): Change signature.
5728 (move_insn1): Removed.
5729 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5730 extend_bb): New static functions to support extension of scheduler's
5732 (generate_recovery_code, process_insn_depend_be_in_spec,
5733 begin_speculative_block, add_to_speculative_block,
5734 init_before_recovery, create_recovery_block, create_check_block_twin,
5735 fix_recovery_deps): New static functions to support
5736 generation of recovery code.
5737 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5738 restore_bb_notes, move_block_after_check, move_succs): New static
5739 functions to support ebb scheduling.
5740 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5741 functions to support handling of register live information.
5742 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5743 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5744 add_jump_dependencies): New static functions.
5745 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5746 consistancy checking.
5747 (debug_spec_status): New function to call from debugger.
5748 (priority): Added code to handle speculation checks.
5749 (rank_for_schedule): Added code to distinguish speculative instructions.
5750 (schedule_insn): Added code to handle speculation checks.
5751 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5752 Fixed to handle ebbs.
5753 (move_insn): Added code to handle ebb scheduling.
5754 (max_issue): Added code to use ISSUE_POINTS of instructions.
5755 (choose_ready): Added code to choose between speculative and
5756 non-speculative instructions.
5757 (schedule_block): Added code to handle ebb scheduling and scheduling of
5758 speculative instructions.
5759 (sched_init): Initialize new variables.
5760 (sched_finish): Free new variables. Print statistics.
5761 (try_ready): Added code to handle speculative instructions.
5762 * lists.c (copy_DEPS_LIST_list): New function.
5763 * sched-deps.c (extend_dependency_caches): New function. Move logic
5764 from create_dependency_caches to here.
5765 (get_dep_weak, ds_merge): Make global.
5766 * genattr.c (main): Code to output prototype for
5767 dfa_clear_single_insn_cache.
5768 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5769 (output_dfa_clean_insn_cache_func): Code to output
5770 dfa_clear_single_insn_cache function.
5771 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5773 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5775 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5776 New static variables.
5777 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5778 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5780 (ebb_sched_info): Initialize new fields.
5781 (get_block_head_tail): Adjust all uses.
5782 (compute_jump_reg_dependencies): Fixed to use glat_start.
5783 (schedule_ebb): Code to remove unreachable last block.
5784 (schedule_ebbs): Added code to update register live information.
5785 * sched-rgn.c (region_sched_info): Initialize new fields.
5786 (get_block_head_tail): Adjust all uses.
5787 (last_was_jump): Removed. Adjust users.
5788 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5789 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5790 Implement new hooks.
5791 (check_dead_notes1): New static function.
5792 (struct region): New fields: dont_calc_deps, has_real_ebb.
5793 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5794 (BB_TO_BLOCK): Fixed to handle EBBs.
5795 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5796 (ebb_head): New static variable.
5797 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5798 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5800 (compute_dom_prob_ps): New assertion.
5801 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5802 global_live_at_start.
5803 (init_ready_list): New assertions.
5804 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5805 (new_ready): Add support for BEGIN_CONTROL speculation.
5806 (schedule_insns): Fixed code that updates register live information
5808 (schedule_region): Fixed to handle EBBs.
5809 (init_regions): Use extend_regions and check_dead_notes1.
5810 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5811 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5812 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5813 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5814 TARGET_SCHED_GEN_CHECK,
5815 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5816 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5817 * doc/invoke.texi (max-sched-insn-conflict-delay,
5818 sched-spec-prob-cutoff): Document.
5820 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5822 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5823 inter_tick, queue_index.
5824 (struct sched_info): Change signature of init_ready_list field.
5825 Adjust all initializations.
5826 (RESOLVED_DEPS): New access macro.
5827 (ready_add): Remove prototype.
5828 (try_ready): Add prototype.
5829 * sched-rgn.c (init_ready_list): Use try_ready.
5830 (schedule_region): Initialize
5831 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5832 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5833 (init_ready_list): Use try_ready.
5834 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5835 * lists.c (remove_list_elem): Remove `static'.
5836 (remove_free_INSN_LIST_elem): New function.
5837 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5838 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5839 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5841 (readyp): New variable.
5842 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5843 change_queue_index, resolve_dep): New static functions.
5844 (try_ready): New function. Adjust callers in sched-rgn.c and
5845 sched-ebb.c to use it instead of ready_add.
5846 (clock_var): Move at the begining of file.
5847 (rank_for_schedule): Fix typo.
5848 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5849 (ready_lastpos): Enforce assertion.
5850 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5852 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5853 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5854 (queue_to_ready): Use free_INSN_LIST_list.
5855 (early_queue_to_ready): Fix typo.
5856 (schedule_block): Init readyp. Move init_ready_list call after the
5857 initialization of clock_var. Fix error in rejecting insn by
5858 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5859 that previously corrected INSN_TICKs. Add code for handling
5861 (set_priorities): Fix typo.
5862 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5863 Clarify comment and code that keeps current_sched_info->next_tail
5866 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5868 * sched-rgn.c (extend_rgns): New static function.
5869 (find_rgns): Use it.
5870 (gather_region_statistics, print_region_statistics): New static
5872 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5873 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5875 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5876 Andrey Belevantsev <abel@ispras.ru>
5878 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5879 * lists.c (unused_deps_list): New variable.
5880 (free_list): Add assertions to verify the proper distinguishing
5881 between INSN_LISTs and DEPS_LISTs.
5882 (find_list_elem, remove_list_elem, remove_list_node): New static
5884 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5885 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5886 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5887 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5889 (free_INSN_LIST_node): Likewise.
5890 * modulo-sched.c (current_sched_info): Initialize flags field.
5891 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5892 * rtl.def (DEPS_LIST): Define.
5893 * rtl.h: Declare new functions from lists.c.
5894 * sched-deps.c (spec_dependency_cache): New static variable.
5895 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5896 (add_dependence): Change return type to void. Move the logic to ...
5897 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5898 (delete_all_dependences): Add comment about forward_dependency_cache.
5899 Handle spec_dependency_cache. Handle DEPS_LISTs.
5900 (fixup_sched_groups): Clarify the change of priority of output
5901 and anti dependencies.
5902 (sched_analyze_2): Adjust add_dependence calls to create data
5903 speculative dependence.
5904 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5905 Adjust all callers. Handle DEPS_LISTS.
5906 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5907 presence of speculation.
5908 (init_dependency_caches, free_dependency_caches):
5909 Handle spec_dependency_cache.
5910 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5911 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5912 New static functions.
5913 (add_or_update_back_dep, add_or_update_back_forw_dep,
5914 add_back_forw_dep, delete_back_forw_dep): New functions.
5915 * sched-int.h (ds_t, dw_t): New typedefs.
5916 (struct sched_info): Add new field flags.
5917 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5918 Prototype new sched-deps.c functions.
5919 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5920 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5921 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5922 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5923 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5924 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5926 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5928 * sched-rgn.c (current_sched_info): Initialize flags field.
5929 (schedule_insns): Initialize current_sched_info before the sched_init
5931 * sched-ebb.c (current_sched_info): Initialize flags field.
5932 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5933 Call add_or_update_back_dep instead of add_dependence.
5934 Create control speculative dependencies.
5935 (schedule_insns): Initialize current_sched_info before the sched_init
5938 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5940 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5942 (sh_fallback_frame_state): Likewise.
5944 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5946 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5947 Do switch on default_use_cxa_atexit.
5948 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5949 * config/darwin-crt3.o: New.
5950 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5951 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5952 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5954 * config/rs6000/t-darwin: Move crt2.o building to here.
5955 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5956 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5959 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5961 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5962 from '! xxx' to '!xxx' for coding-style conformance.
5963 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5964 (EXTRA_CONSTRAINT): Likewise.
5965 * config/vax/vax.md (four unnamed insns): Likewise.
5967 2006-03-15 Paul Brook <paul@codesourcery.com>
5969 * config/arm/arm.c (minipool_pad): New.
5970 (add_minipool_forward_ref): Include pool alignment padding in address
5972 (push_minipool_fix): Set minipool_pad.
5973 (minipool_pad): Ditto.
5975 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5977 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5978 instead of GET_CODE() == MEM and REG_P() instead of
5980 (print_operand_address): Likewise.
5981 (vax_address_cost): Likewise.
5982 (vax_rtx_costs): Likewise.
5983 (vax_notice_update_cc): Likewise.
5984 (vax_output_int_add): Likewise.
5985 (INDEX_REGISTER_P): Likewise.
5986 (BASE_REGISTER_P): Likewise.
5987 (nonindexed_address_p): Likewise.
5988 (vax_mode_dependent_address_p): Likewise.
5989 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5990 (PRINT_OPERAND): Likewise.
5991 * config/vax/vax.md (ashlsi3): Likewise.
5992 (ashlsi3): Likewise.
5993 (some more unnamed insns): Likewise.
5995 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5997 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5998 iterator-style macro.
5999 (mark_control_dependent_edges_necessary): Update the use of
6000 EXECUTE_IF_CONTROL_DEPENDENT.
6002 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6004 * config/sh/predicates.md (cache_address_operand): Special.
6005 (ua_address_operand): Likewise.
6007 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6009 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6011 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6013 2006-03-15 Andreas Schwab <schwab@suse.de>
6015 * gensupport.c (identify_predicable_attribute): Don't free p_false
6016 when it is still in use.
6018 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6020 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6021 the default setting here.
6023 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6025 * tree-pass.h (pass_cfg): Remove.
6026 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6027 * passes.c (pass_cfg): Don't run it.
6029 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6031 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6032 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6034 (stack_regs_mentioned): Update the uses of
6035 stack_regs_mentioned_data. Don't access the array beyond its
6037 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6038 Don't include gt-reg-stack.h.
6040 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6041 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6043 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6046 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6049 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6051 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6053 2006-03-14 Richard Guenther <rguenther@suse.de>
6055 PR tree-optimization/26672
6056 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6059 2006-03-14 Richard Guenther <rguenther@suse.de>
6061 PR tree-optimization/26667
6062 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6063 node for the callees. Always allow inlining if it will shrink
6066 2006-03-14 Richard Guenther <rguenther@suse.de>
6069 * builtins.c (get_pointer_alignment): Prefer alignment
6070 information from decls over that from types.
6072 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6075 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6077 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6079 * config/rs6000/rs6000.opt (mdlmzb): New option.
6080 (msched-prolog, msched-epilog): Use Var not Mask.
6081 * doc/invoke.texi (-mdlmzb): Document.
6082 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6084 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6085 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6087 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6089 PR rtl-optimization/25739
6090 * bt-load.c (augment_live_range): Free tos pointer.
6092 * gensupport.c (identify_predicable_attribute): Free
6094 * gcov.c (create_file_names): Free name pointer.
6096 2006-03-13 Roger Sayle <roger@eyesopen.com>
6099 * stmt.c (emit_case_nodes): Handle the case where the index is a
6100 CONST_INT, where the comparison mode is specified by the index type.
6102 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6104 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6107 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6109 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6110 (*branch_fp_inverted): Likewise.
6112 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6115 * omp-low.c (expand_omp_for_generic): Mark istart0
6116 and iend0 as addressable.
6118 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6120 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6122 2006-03-13 Jeff Law <law@redhat.com>
6124 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6125 virtual operands are interesting.
6126 (vrp_visit_stmt): Corresponding changes.
6128 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6130 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6132 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6133 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6134 * config/bfin/crti.S: Use it instead of __PIC__.
6135 * config/bfin/crtn.S: Likewise.
6137 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6138 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6140 Lose 'G' modifier for call operand.
6141 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6142 recognize 'G' modifier.
6144 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6147 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6148 * stmt.c (expand_case): Likewise.
6150 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6152 PR rtl-optimization/26254
6153 * loop-invariant.c (seq_insns_valid_p): New function.
6154 (move_invariant_reg): Only emit new code if it is valid.
6156 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6158 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6160 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6161 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6162 (commit_one_edge_insertion): Do not look for loop notes.
6164 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6166 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6167 flag_test_coverage out of loop.
6169 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6171 * final.c (shorten_branches): Remove outdated comment, and turn
6172 the if branch that guards it to continue.
6174 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6176 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6177 * cfgloop.h (struct loop): Remove unused fields.
6179 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6181 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6182 (-dL, -fdump-rtl-loop2): Update the dump file names
6184 * doc/invoke.texi: Update dump file names.
6186 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6188 * predict.c (estimate_probability): Remove.
6189 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6190 * basic-block.h (estimate_probability): Remove prototype.
6191 * passes.c (finish_optimization_passes): Dump branch prediction or
6192 profiling heuristics to the .profile tree dump.
6193 (init_optimization_passes): Unqueue pass_branch_prob.
6195 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6197 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6199 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6200 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6202 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6204 * function.h (frame_offset_overflow): Declare.
6205 * function.c (frame_offset_overflow): New function.
6206 (assign_stack_local_1): Call it to detect that the offset overflows.
6207 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6209 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6211 * config/sh/sh.c: Include alloc-pool.h.
6212 (label_ref_list_pool): New alloc pool.
6213 (label_ref_list_t): New type for lists of labels.
6214 (struct pool_node): Make wend a label_ref_list_t.
6215 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6217 (dump_table): Likewise.
6218 (sh_reorg): Set up the alloc pool before using add_constant and
6219 dump_table, and destroy it when finishing.
6221 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6223 * config/mips/mips.c: Remove redundant comment.
6225 2006-03-10 Jason Merrill <jason@redhat.com>
6228 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6229 the target was declared 'register'.
6231 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6233 * genpreds.c (write_insn_constraint_len): Change definition of
6234 insn_constraint_len to return size_t to match the declaration.
6236 2006-03-10 DJ Delorie <dj@redhat.com>
6238 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6240 (m32c_expand_insv): Fix test for an AND mask.
6242 2006-03-10 Richard Guenther <rguenther@suse.de>
6245 * builtins.c (get_pointer_alignment): Handle component
6246 references for field alignment.
6248 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6250 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6251 when building with libgloss.
6252 (sh*elf): Implement --without-fp option.
6253 (sh64-superh-linux*): Don't multilib.
6255 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6257 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6259 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6261 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6262 Set it when one of the replacement functions returned true.
6263 Return TODO_cleanup_cfg if cfgchanged is true.
6264 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6266 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6268 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6269 instead of gen_lowpart.
6271 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6273 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6275 (mips_output_order_conditional_branch): Declare.
6276 * config/mips/mips.h (MIPS_BRANCH): New macro.
6277 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6278 for the comparison. Use gen_condjump.
6279 (mips_output_conditional_branch): Rework interface to take the
6280 asm templates for a direct branch and the inverse of a direct branch.
6281 (mips_output_order_conditional_branch): New function.
6282 (mips_builtin_branch_and_move): New function.
6283 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6284 branch condition. Use gen_single_cc as the condition for
6285 __builtin_mips_upper_* or __builtin_mips_lower_*.
6286 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6287 Use VOIDmode for the branch condition.
6288 * config/mips/predicates.md (order_operator): New predicate.
6289 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6290 (branch_fp): Rename to...
6291 (*branch_fp): ...this. Remove mode from comparison operator.
6292 Use new mips_output_conditional_branch interface.
6293 (branch_fp_inverted): Rename to...
6294 (*branch_fp_inverted): ...this and update as for *branch_fp.
6295 (*branch_zero<mode>): Rename to...
6296 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6297 Use mips_output_order_conditional_branch. Only accept ordered
6299 (*branch_zero<mode>_inverted): Rename to...
6300 (*branch_order<mode>_inverted): ...this and update as for
6301 *branch_order<mode>.
6302 (*branch_equality<mode>): Accept zero as the second operand to
6303 the equality operator. Use the new mips_output_conditional_branch
6305 (*branch_equality<mode>_inverted): Likewise.
6306 (condjump): New expander.
6307 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6309 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6310 (bc1any2t, bc1any2f): Likewise.
6311 (single_cc): New expander.
6312 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6314 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6316 * doc/md.texi: Update documentation of MIPS constraints.
6317 * config/mips/constraints.md: New file.
6318 * config/mips/mips.md: Include it.
6319 * config/mips/mips.c (mips_char_to_class): Delete.
6320 (override_options): Don't initialize mips_char_to_class.
6321 * config/mips/mips.h (mips_char_to_class): Delete.
6322 (REG_CLASS_FROM_LETTER): Delete.
6323 (CONST_OK_FOR_LETTER_P): Delete.
6324 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6325 (EXTRA_CONSTRAINT_Y): Delete.
6326 (EXTRA_CONSTRAINT_STR): Delete.
6327 (CONSTRAINT_LEN): Delete.
6328 (EXTRA_MEMORY_CONSTRAINT): Delete.
6330 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6332 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6333 original fn's eh regions.
6335 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6337 * fold-const.c (build_range_check): Make sure to use a valid type to
6338 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6341 (range_predecessor): New static function.
6342 (range_successor): Likewise.
6343 (merge_ranges): Use them to compute predecessors and successors of
6346 2006-03-09 Roger Sayle <roger@eyesopen.com>
6349 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6350 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6352 2006-03-08 DJ Delorie <dj@redhat.com>
6354 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6355 (addpsi3): Expand to include memory operands. Remove
6356 reload-specific splits.
6357 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6358 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6359 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6360 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6361 (shift1_qi, shift1_hi, insv): New.
6362 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6363 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6364 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6366 * config/m32c/m32c-protos.h: Update as needed.
6367 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6368 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6369 Fail for unrecognized R* constraints.
6370 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6371 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6372 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6374 (m32c_init_libfuncs): New.
6375 (m32c_legitimate_address_p): Add debug wrapper.
6376 (m32c_rtx_costs): New.
6377 (m32c_address_cost): New.
6378 (conversions): Add 'B' prefix.
6379 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6380 operands, or word regnames for QI operands. 'B' prints bit
6382 (m32c_expand_setmemhi): New.
6383 (m32c_expand_movmemhi): New.
6384 (m32c_expand_movstr): New.
6385 (m32c_expand_cmpstr): New.
6386 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6387 (m32c_expand_neg_mulpsi3): Handle non-ints.
6388 (m32c_cmp_flg_0): New.
6389 (m32c_expand_movcc): New.
6390 (m32c_expand_insv): New.
6391 (m32c_scc_pattern): New.
6392 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6393 a0/a1 out of SIregs.
6394 (STORE_FLAG_VALUE): New.
6395 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6398 * config/m32c/mov.md: Make constraints more liberal.
6399 (zero_extendqihi2): Optimize r0/r1 case.
6400 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6401 * config/m32c/predicates.md (m32c_any_operand): New.
6402 (m32c_nonimmediate_operand): New.
6403 (m32c_hl_operand): New.
6404 (m32c_r3_operand): New.
6407 (memsym_operand): New.
6408 (memimmed_operand): New.
6409 (a_qi_operand): New.
6410 (m32c_eqne_operator): New.
6411 (m32c_1bit8_operand): New.
6412 (m32c_1bit16_operand): New.
6413 (m32c_1mask8_operand): New.
6414 (m32c_1mask16_operand): New.
6415 * config/m32c/blkmov.md: New file.
6416 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6418 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6420 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6421 unsigned to fix signed/unsigned comparison issue in
6422 DWARF2_FRAME_REG_OUT.
6423 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6424 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6426 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6427 of ptr into the ENABLE_CHECKING section.
6429 2006-03-08 Jeff Law <law@redhat.com>
6431 * tree-vrp.c (infer_value_range): Only count pointer uses
6432 and dereferences if -fdelete-null-pointer-checks is enabled.
6434 * tree-vrp.c (find_assert_locations): Infer value ranges for
6435 single use pointers, but do not create ASSERT_EXPRs for them.
6436 When a non-null range is inferred for a pointer, backwards
6437 propagate that range to other equivalent pointers through the
6440 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6443 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6444 language hook targets.
6445 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6446 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6447 if language hook targets were missing.
6449 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6451 * tree-ssa-opfinalize.h: Removed.
6452 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6454 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6455 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6456 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6457 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6458 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6459 finalize_ssa_v_must_def_ops): New.
6461 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6463 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6466 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6468 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6470 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6471 addresses with offsets; reorganize.
6473 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6474 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6475 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6477 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6480 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6482 2006-03-08 Ben Elliston <bje@au.ibm.com>
6484 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6486 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6489 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6492 2006-03-07 Richard Guenther <rguenther@suse.de>
6494 PR tree-optimization/26587
6495 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6497 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6499 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6501 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6503 * hooks.c (hook_bool_mode_rtx_true): New function.
6504 * hooks.h (hook_bool_mode_rtx_true): Declare.
6505 * toplev.c (compile_file): Call output_shared_constant_pool.
6506 * varasm.c (shared_constant_pool): New variable.
6507 (assemble_start_function, assemble_end_function): Remove arguments
6508 from call to output_constant_pool.
6509 (create_constant_pool): New function, split out from...
6510 (init_varasm_status): ...here.
6511 (force_const_mem): Choose between the shared and per-function constant
6512 pools. Set current_function_uses_const_pool when reusing old entries
6513 as well as when creating new ones.
6514 (mark_constant): Ignore data argument.
6515 (mark_constants): Remove pool argument.
6516 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6517 to decide whether the function uses a constant pool.
6518 (output_constant_pool_contents): New function, split out from...
6519 (output_constant_pool): ...here.
6520 (output_shared_constant_pool): New function.
6521 (init_varasm_once): Initialize shared_constant_pool.
6522 * output.h (output_constant_pool): Delete.
6523 (output_shared_constant_pool): Declare.
6524 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6525 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6527 2006-03-06 Nick Clifton <nickc@redhat.com>
6529 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6530 flag_strength_reduce.
6532 2006-03-06 Ben Elliston <bje@au.ibm.com>
6534 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6535 x86_64-*-linux* configurations.
6537 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6538 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6540 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6542 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6544 * basic-block.h: Remove the extern for
6545 rediscover_loops_after_threading.
6547 * cfgloop.c (cancel_loop): Make it static.
6548 * cfgloop.h: Remove the prototype for cancel_loop.
6550 * flow.c (recompute_reg_usage): Make it static.
6551 * rtl.h: Remove the prototype for recompute_reg_usage.
6553 * function.c (use_return_register): Make it static.
6554 * function.h: Remove the prototype.
6556 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6558 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6560 * recog.h: Remove the prototype for
6561 validate_change_maybe_volatile.
6563 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6565 * rtlanal.c (replace_reg): Remove.
6566 * rtl.h: Remove the prototype for replace_reg.
6568 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6570 * regclass.c (reg_scan_update): Remove.
6571 (reg_scan_mark_refs): Remove the last argument.
6572 * rtl.h: Remove the prototype for reg_scan_update.
6574 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6576 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6577 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6578 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6579 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6580 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6581 loop-invariant.c, omp-low.c, opts.c, passes.c,
6582 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6583 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6584 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6585 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6586 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6587 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6589 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6591 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6592 * dwarf2out.h: Remove the prototype for
6593 dwarf2out_add_library_unit_info.
6595 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6597 * tree.c (add_var_to_bind_expr): Remove.
6598 * tree.h: Remove the prototype for add_var_to_bind_expr.
6600 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6602 * regclass.c (n_non_fixed_regs): Remove.
6603 (init_reg_sets_1, globalize_reg): Remove all uses of
6605 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6607 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6609 * rtlanal.c (insns_safe_to_move_p): Remove.
6610 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6612 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6614 * expmed.c (expand_mult_add): Remove.
6615 * expr.h: Remove the prototype for expand_mult_add.
6617 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6619 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6620 and REG_SAVED_VAL_EXP constants.
6621 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6622 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6623 Handle regs stored by value.
6624 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6625 (execute_cfa_program): Handle DW_CFA_val_offset,
6626 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6627 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6628 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6629 (uw_install_context_1): Handle target regs stored by value.
6631 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6633 * tree-sra.c (tree_sra): Return todoflags;
6634 (generate_one_element): Set TODO_update_smt_usage if needed.
6635 (pass_sra): Remove TODO_update_smt_usage.
6636 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6638 (tree_ssa_forward_propagate_single_use_vars): Return
6639 TODO_update_smt_usage if we need to update SMT usage.
6640 (pass_forwprop): Remove TODO_update_smt_usage.
6642 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6644 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6645 (correct_use_link): Remove reference to get_stmt_operands.
6646 (update_stmt_operands): Likewise.
6647 (get_modify_expr_operands): New function factored out of
6648 parse_ssa_operands and get_expr_operands.
6649 Try to create V_MUST_DEFs for LHS by default.
6650 (get_expr_operands) <case MODIFY_EXPR>: Call
6651 get_modify_expr_operands.
6652 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6653 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6654 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6655 get_modify_expr_operands.
6657 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6659 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6660 * tree-flow.h: Remove the prototype for
6661 referenced_var_lookup_if_exists.
6663 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6665 PR rtl-optimization/26345
6667 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6669 2006-03-03 Roger Sayle <roger@eyesopen.com>
6671 PR tree-optimization/26524
6672 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6673 fold_convert to create a constant of the appropriate type.
6675 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6677 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6678 SYMBOL_REF_IN_BLOCK_P.
6679 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6680 of SYMBOL_FLAG_IN_BLOCK.
6681 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6682 instead of SYMBOL_REF_IN_BLOCK_P.
6683 * explow.c (use_anchored_address): Likewise.
6684 * rtl.c (rtx_size): Likewise.
6685 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6686 instead of SYMBOL_FLAG_IN_BLOCK.
6687 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6688 SYMBOL_REF_IN_BLOCK_P.
6689 (assemble_variable): Likewise.
6690 (output_constant_def_contents): Likewise.
6691 (output_constant_pool): Likewise.
6692 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6693 instead of SYMBOL_FLAG_IN_BLOCK.
6694 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6695 SYMBOL_REF_IN_BLOCK_P.
6696 (SYMBOL_REF_BLOCK): Likewise.
6697 (SYMBOL_REF_OFFSET): Likewise.
6698 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6699 SYMBOL_REF_IN_BLOCK_P.
6700 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6701 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6702 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6703 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6705 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6707 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6709 2006-03-02 Roger Sayle <roger@eyesopen.com>
6711 * simplify-rtx.c (simplify_unary_operation): When simplifying
6712 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6713 that we perform the right shift in the appropriate mode, and
6714 then extend or truncate the result to requested mode.
6716 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6718 * gengtype.c (main): Handle double_int type.
6719 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6720 * double-int.c: New file.
6721 * double-int.h: New file.
6722 * system.h: Include doubleint.h.
6723 * Makefile.in (SYSTEM_H): Include double-int.h.
6724 (double-int.o): Add.
6726 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6729 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6732 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6734 * tree-vrp.c (remove_range_assertions): Do not update statements
6737 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6739 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6741 * gcse.c (rest_of_handle_gcse): Ditto.
6742 * except.c (gate_handle_eh): Ditto.
6743 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6744 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6746 2006-03-02 Eric Christopher <echristo@apple.com>
6748 * config/i386/i386.c (machopic_output_stub): Add indirection to
6751 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6755 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6757 Sun Niagara specific optimizations.
6758 * config.gcc: Recognize niagara as target.
6759 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6760 (TARGET_CPU_niagara): Define.
6761 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6762 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6763 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6764 (ASM_CPU_SPEC): Likewise.
6765 (PROCESSOR_NIAGARA): New enum entry.
6766 (REGISTER_MOVE_COST): Handle Niagara.
6767 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6768 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6769 (sparc_override_options): Recognize "niagara", set appropriate
6770 default MASK_* values for it, and align functions to 32-bytes
6771 by default just like ULTRASPARC/ULTRASPARC3.
6772 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6773 (sparc64_initialize_trampoline): Likewise.
6774 (sparc_use_sched_lookahead): Use zero for niagara.
6775 (sparc_issue_rate): Use one for niagara.
6776 * config/sparc/niagara.md: New file.
6777 * config/sparc/sparc.md: Include it.
6778 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6779 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6780 when default cpu is niagara.
6781 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6782 (ASM_CPU_SPEC): Likewise.
6783 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6784 when default cpu is niagara.
6785 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6786 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6787 just like v9/ultrasparc/ultrasparc3.
6788 * doc/invoke.texi: Add documentation for "niagara" and improve
6789 existing documentation for ultrasparc variants.
6791 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6793 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6795 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6797 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6798 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6799 and say that only one is needed.
6800 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6801 * target.h (have_switchable_bss_sections): New hook.
6802 * explow.c (use_anchored_address): Check that the symbol is in a block.
6803 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6804 (bss_noswitch_section): New variables.
6805 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6806 (get_noswitch_section): New function.
6807 (get_block_for_section): Allow SECT to be null.
6808 (unlikely_text_section_p): Use SECTION_STYLE.
6809 (bss_initializer_p): New function.
6810 (get_variable_section): Move earlier in file. Take a new argument,
6811 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6812 Return one of the new *_sections in such cases.
6813 (get_block_for_decl): New function, extracting some logic from
6814 use_blocks_for_decl_p.
6815 (change_symbol_section): Remove in favor of...
6816 (change_symbol_block): ...this new function.
6817 (use_blocks_for_decl_p): Remove checks now performed by
6819 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6820 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6821 (emit_local, emit_bss, emit_common): ...these new functions.
6822 Return true if the alignment was honored.
6823 (emit_tls_common): New function.
6824 (asm_emit_uninitialised): Delete.
6825 (assemble_variable_noswitch): New function, split out from...
6826 (assemble_variable): ...here. Don't make decisions about common
6827 variables here. Globalize all public decls that go into non-common
6828 sections. Check whether SYMBOL_REF_BLOCK is null.
6829 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6830 (output_constant_pool): Likewise.
6831 (init_varasm_once): Initialize the new section variables.
6832 (have_global_bss_p): New function.
6833 (categorize_decl_for_section): Use bss_initializer_p.
6834 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6835 (place_block_symbol): Assert that the symbol must be in a block.
6836 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6837 (TARGET_INITIALIZER): Include it.
6838 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6839 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6840 (SECTION_MACH_DEP): Bump by two.
6841 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6842 (unnamed_section): Mention SECTION_UNNAMED in comment.
6843 (named_section): Likewise SECTION_NAMED.
6844 (noswitch_section_callback): New type.
6845 (noswitch_section): New structure.
6846 (section): Add a noswitch_section alternative.
6847 (SECTION_STYLE): New macro.
6848 (tls_comm_section, comm_section, lcomm_section): Declare.
6849 (bss_noswitch_section, have_global_bss_p): Declare.
6850 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6851 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6853 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6854 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6857 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6859 * tree-vrp.c (execute_vrp): Return value.
6860 * regrename.c (rest_of_handle_regrename): Ditto.
6861 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6862 * tree-complex.c (tree_lower_complex): Ditto.
6863 (tree_lower_complex_O0): Ditto.
6864 * tracer.c (rest_of_handle_tracer): Ditto.
6865 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6866 * postreload.c (rest_of_handle_postreload): Ditto.
6867 * tree-tailcall.c (execute_tail_recursion): Ditto.
6868 (execute_tail_calls): Ditto.
6869 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6870 * tree.h (init_function_for_compilation): Ditto.
6871 * ipa-cp.c (ipcp_driver): Ditto.
6872 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6873 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6874 * final.c (compute_alignments): Ditto.
6875 (rest_of_handle_final): Ditto.
6876 (rest_of_handle_shorten_branches): Ditto.
6877 (rest_of_clean_state): Ditto.
6878 * omp-low.c (execute_expand_omp): Ditto.
6879 (execute_lower_omp): Ditto.
6880 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6881 * ipa-reference.c (static_execute): Ditto.
6882 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6883 * reorg.c (rest_of_handle_delay_slots): Ditto.
6884 (rest_of_handle_machine_reorg): Ditto.
6885 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6886 * flow.c (recompute_reg_usage): Ditto.
6887 (rest_of_handle_remove_death_notes): Ditto.
6888 (rest_of_handle_life): Ditto.
6889 (rest_of_handle_flow2): Ditto.
6890 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6891 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6892 (do_ssa_store_ccp): Ditto.
6893 (execute_fold_all_builtins): Ditto.
6894 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6895 * modulo-sched.c (rest_of_handle_sms): Ditto.
6896 * ipa-pure-const.c (static_execute): Ditto.
6897 * cse.c (rest_of_handle_cse): Ditto.
6898 (rest_of_handle_cse2): Ditto.
6899 * web.c (rest_of_handle_web): Ditto.
6900 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6901 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6902 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6903 * tree-nrv.c (tree_nrv): Ditto.
6904 (execute_return_slot_opt): Ditto.
6905 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6906 (create_structure_vars): Ditto.
6907 * loop-init.c (rtl_loop_init): Ditto.
6908 (rtl_loop_done): Ditto.
6909 (rtl_move_loop_invariants): Ditto.
6910 (rtl_unswitch): Ditto.
6911 (rtl_unroll_and_peel_loops): Ditto.
6912 (rtl_doloop): Ditto.
6913 * gimple-low.c (lower_function_body): Ditto.
6914 (mark_used_blocks): Ditto.
6915 * tree-ssa-sink.c (execute_sink_code): Ditto.
6916 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6917 (cgraph_early_inlining): Ditto.
6918 * global.c (rest_of_handle_global_alloc): Ditto.
6919 * jump.c (cleanup_barriers): Ditto.
6920 (purge_line_number_notes): Ditto.
6921 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6922 (rest_of_handle_if_after_reload): Ditto.
6923 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6924 (tree_ssa_loop_im): Ditto.
6925 (tree_ssa_loop_unswitch): Ditto.
6926 (tree_vectorize): Ditto.
6927 (tree_linear_transform): Ditto.
6928 (tree_ssa_loop_ivcanon): Ditto.
6929 (tree_ssa_empty_loop): Ditto.
6930 (tree_ssa_loop_bounds): Ditto.
6931 (tree_complete_unroll): Ditto.
6932 (tree_ssa_loop_prefetch): Ditto.
6933 (tree_ssa_loop_ivopts): Ditto.
6934 (tree_ssa_loop_done): Ditto.
6935 * predict.c (tree_estimate_probability): Ditto.
6936 * recog.c (split_all_insns_noflow): Ditto.
6937 (rest_of_handle_peephole2): Ditto.
6938 (rest_of_handle_split_all_insns): Ditto.
6939 * tree-eh.c (lower_eh_constructs): Ditto.
6940 * regmove.c (rest_of_handle_regmove): Ditto.
6941 (rest_of_handle_stack_adjustments): Ditto.
6942 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6943 * function.c (instantiate_virtual_regs): Ditto.
6944 (init_function_for_compilation): Ditto.
6945 (rest_of_handle_check_leaf_regs): Ditto.
6946 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6947 (rest_of_handle_gcse): Ditto.
6948 * ipa-type-escape.c (type_escape_execute): Ditto.
6949 * alias.c (rest_of_handle_cfg): Ditto.
6950 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6951 * profile.c (rest_of_handle_branch_prob): Ditto.
6952 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6953 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6954 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6955 * tree-dfa.c (find_referenced_vars): Ditto.
6956 * except.c (set_nothrow_function_flags): Ditto.
6957 (convert_to_eh_region_ranges): Ditto.
6958 (rest_of_handle_eh): Ditto.
6959 * emit-rtl.c (unshare_all_rtl): Ditto.
6960 (remove_unnecessary_notes): Ditto.
6961 * except.h (set_nothrow_function_flags): Ditto.
6962 (convert_to_eh_region_ranges): Ditto.
6963 * cfgexpand.c (tree_expand_cfg): Ditto.
6964 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6965 * tree-ssa-pre.c (do_pre): Ditto.
6966 (execute_fre): Ditto.
6967 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6968 (rest_of_handle_jump2): Ditto.
6969 * tree-sra.c (tree_sra): Ditto.
6970 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6971 (execute_mudflap_function_decls): Ditto.
6972 * tree-ssa-copy.c (do_copy_prop): Ditto.
6973 (do_store_copy_prop): Ditto.
6974 * ipa-prop.h (ipcp_driver): Ditto.
6975 * cfglayout.c (insn_locators_initialize): Ditto.
6976 * tree-ssa-forwprop.c
6977 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6978 * cfglayout.h (insn_locators_initialize): Ditto.
6979 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6980 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6981 (execute_late_warn_uninitialized): Ditto.
6982 * rtl.h (cleanup_barriers): Ditto.
6983 (split_all_insns_noflow): Ditto.
6984 (purge_line_number_notes): Ditto.
6985 (unshare_all_rtl): Ditto.
6986 (remove_unnecessary_notes): Ditto.
6987 (recompute_reg_usage): Ditto.
6988 (variable_tracking_main): Ditto.
6989 * integrate.c (emit_initial_value_sets): Ditto.
6990 * integrate.h (emit_initial_value_sets): Ditto.
6991 * tree-optimize.c (execute_free_datastructures): Ditto
6992 (execute_free_cfg_annotations): Ditto.
6993 (execute_fixup_cfg): Ditto.
6994 (execute_cleanup_cfg_pre_ipa): Ditto.
6995 (execute_cleanup_cfg_post_optimizing): Ditto.
6996 (execute_init_datastructures): Ditto.
6997 * tree-object-size.c (compute_object_sizes): Ditto.
6998 * combine.c (rest_of_handle_combine): Ditto.
6999 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7000 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7001 (rest_of_handle_reorder_blocks): Ditto.
7002 (rest_of_handle_partition_blocks): Ditto.
7003 * var-tracking.c (variable_tracking_main): Ditto.
7004 * tree-profile.c (tree_profiling): Ditto.
7005 * tree-vect-generic.c (expand_vector_operations): Ditto.
7006 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7007 * sched-rgn.c (rest_of_handle_sched): Ditto.
7008 (rest_of_handle_sched2): Ditto.
7009 * basic-block.h (free_bb_insn): Ditto.
7010 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7011 * tree-cfg.c (execute_build_cfg): Ditto.
7012 (remove_useless_stmts): Ditto.
7013 (split_critical_edges): Ditto.
7014 (execute_warn_function_return): Ditto.
7015 (execute_warn_function_noreturn): Ditto.
7016 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7017 * cfgrtl.c (free_bb_for_insn): Ditto.
7018 * passes.c (execute_one_pass): Run additional
7019 todos returned by execute function.
7020 * tree-pass.h (struct tree_opt_pass): Make execute
7023 2006-03-02 Richard Guenther <rguenther@suse.de>
7025 * tree-ssa-alias.c (find_used_portions): Consider taking
7026 the address as making the variable not write-only.
7028 2006-03-02 Nick Clifton <nickc@redhat.com>
7030 * config.gcc (default_use_cxa_atexit): Extend the description of
7031 this configure variable. Set its default value to "yes" for
7032 Linux, NetBSD and ELF targets on the assumption that they will
7033 use C libraries with the __cxa_atexit function.
7035 2006-03-02 Ben Elliston <bje@au.ibm.com>
7037 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7038 parameter as unused to suppress a build warning.
7040 2006-03-02 Ben Elliston <bje@au.ibm.com>
7042 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7045 2006-03-01 Roger Sayle <roger@eyesopen.com>
7048 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7049 declared name, the weak reference name, and the typeof name.
7050 (__gthrw): Avoid expanding the declared name suffix.
7051 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7053 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7055 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7057 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7058 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7059 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7060 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7061 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7062 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7063 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7064 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7065 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7066 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7067 (DW_END_default, DW_END_big, DW_END_little): New.
7068 (DW_END_lo_user, DW_END_hi_user): Define.
7069 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7070 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7071 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7074 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7076 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7078 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7080 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7082 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7084 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7085 to 'symbol_mem_tag'.
7087 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7090 2006-03-01 Roger Sayle <roger@eyesopen.com>
7092 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7094 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7097 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7098 MACHO_DYNAMIC_NO_PIC_P.
7099 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7101 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7104 * config/darwin-protos.h (darwin_asm_output_anchor):
7106 * config/darwin-sections.def (cstring_section):
7107 Add SECTION_MERGE to the flags.
7108 (literal4_section): Likewise.
7109 (literal8_section): Likewise.
7110 (objc_selector_refs_section): Likewise.
7111 (objc_cls_refs_section): Likewise.
7112 * config/darwin.c (darwin_asm_output_anchor): New
7114 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7116 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7118 Fix PR tree-optimization/26443
7119 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7120 to todo and PROP_tmt_usage to properties_destroyed.
7121 * tree-ssa-ccp.c (pass_ccp): Ditto.
7122 (pass_store_ccp): Ditto.
7123 * tree-ssa-dom.c (pass_dominator): Ditto.
7125 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7127 * tree-ssa-operands.c: Cleanup whitespace.
7128 (get_asm_expr_operands): Move before first invocation.
7129 (get_indirect_ref_operands): Likewise.
7130 (get_tmr_operands): Likewise.
7131 (get_call_expr_operands): Likewise.
7132 (append_def): Likewise.
7133 (append_use): Likewise.
7134 (append_v_may_def): Likewise.
7135 (append_v_must_def): Likewise.
7136 (add_call_clobber_ops): Likewise.
7137 (add_call_read_ops): Likewise.
7138 (add_stmt_operand): Likewise.
7139 (add_virtual_operand): Likewise.
7140 (build_ssa_operands): Likewise.
7142 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7147 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7148 with a call expr to ...
7149 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7151 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7153 * tree-vrp.c (extract_range_from_assert): Remove special
7154 handling for types with super-types.
7156 2006-03-01 Ben Elliston <bje@au.ibm.com>
7158 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7159 and powerpc64-*-linux* configurations.
7160 * config/t-dfprules: New file.
7162 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7163 Compile dfp-bit.c from the source directory using -DWIDTH and
7164 $DFP_CFLAGS to control the compilation of that file, rather than
7165 generating width-specific versions in the build directory.
7166 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7167 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7169 2006-02-28 Zack Weinberg <zackw@panix.com>
7171 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7174 2006-02-28 Eric Christopher <echristo@apple.com>
7176 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7177 Set up IN_LIBGCC definition of TARGET_64BIT.
7178 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7180 2006-02-28 Roger Sayle <roger@eyesopen.com>
7183 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7184 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7185 cases via the construction of "expr != 0".
7187 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7189 * alias.c (alias_invariant, alias_invariant_size): Remove.
7190 (record_base_value): Remove.
7191 (memrefs_conflict_p): Don't look at alias_invariant.
7192 (end_alias_analysis): Don't free it.
7193 * alias.h (record_base_value): Remove prototype.
7195 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7196 Adam Nemet <anemet@caviumnetworks.com>
7198 * rtl.h (truncated_to_mode): Declare it.
7199 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7200 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7201 (RTL_HOOKS_INITIALIZER): Include it.
7202 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7203 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7204 reg_truncated_to_mode.
7205 * rtlanal.c (truncated_to_mode): Define it.
7206 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7208 2006-02-28 Jeff Law <law@redhat.com>
7210 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7211 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7212 the range allowed by TYPE_PRECISION.
7214 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7216 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7218 PR tree-optimization/26419
7219 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7222 2006-02-27 Zack Weinberg <zackw@panix.com>
7224 * doc/md.texi: Fix typo in previous change.
7226 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7230 2006-02-27 Zack Weinberg <zackw@panix.com>
7232 * rtl.def (define_constraint, define_register_constraint)
7233 (define_memory_constraint, define_address_constraint): New MD forms.
7234 * gensupport.c (process_rtx): Put define_constraint etc on the
7236 * genpreds.c (process_define_predicate): Adjust comment. Validate
7237 the name, and call validate_exp to validate the expression.
7238 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7239 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7240 all callers changed.
7241 (validate_exp, needs_variable, struct constraint_data)
7242 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7243 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7244 (const_dbl_constraints, constraint_max_namelen)
7245 (have_register_constraints, have_memory_constraints)
7246 (have_address_constraints, have_address_constraints)
7247 (have_extra_constraints, have_const_int_constraints)
7248 (have_const_dbl_constraints, mangle, add_constraint)
7249 (process_define_constraint, process_define_register_constraint)
7250 (write_enum_constraint_num, write_lookup_constraint)
7251 (write_insn_constraint_len, write_regclass_for_constraint)
7252 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7253 (write_insn_extra_memory_constraint)
7254 (write_insn_extra_address_constraint)
7255 (write_satisfies_constraint_fns): New.
7256 (write_tm_preds_h): If we have new-style constraint definitions,
7257 prototype the functions generated from them, and define the
7258 old constraint interface (still used by generic code) in terms of
7260 (write_insn_preds_c): If we have new-style constraint definitions,
7261 generate all relevant functions from those definitions.
7262 (main): Handle define_constraint etc.
7263 * genoutput.c (struct constraint_data, indep_constraints)
7264 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7265 (mdep_constraint_len): New data structures and functions, defined
7266 #ifdef USE_MD_CONSTRAINTS.
7267 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7268 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7269 use new logic to validate operand constraints against constraint
7271 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7273 * defaults.h: If none of the old-style constraint macros are
7274 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7275 old-style macros; and poison REG_CLASS_FROM_LETTER,
7276 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7278 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7279 * doc/md.texi: Document new constraint-definition mechanism and the
7280 C interface it provides. Remove references to old mechanism
7281 elsewhere in the document.
7282 (Machine Constraints): Use pathnames relative to gcc directory,
7283 i.e. config/ARCH/FILE. Change i386 section to refer to
7284 config/i386/predicates.md; update that section to match docstrings.
7285 * doc/tm.texi: Move all documentation of the old constraint-
7286 definition macros to their own section, clearly mark as obsolete.
7288 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7289 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7291 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7292 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7293 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7295 (splits and peepholes): Use satisfies_constraint_*.
7296 * config/i386/i386.c (memory_address_length)
7297 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7299 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7301 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7302 scalar operation to be put back into the loop.
7304 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7307 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7308 (extract_cie_info): Handle S flag in augmentation string.
7309 (execute_cfa_program): If context->signal_frame, execute also
7310 fs->pc == context->ra instructions.
7311 (uw_frame_state_for): If context->signal_frame, don't subtract one
7312 from context->ra to find FDE.
7313 (uw_update_context_1): Set context->signal_frame to
7315 (_Unwind_GetIPInfo): New function.
7316 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7317 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7319 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7320 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7321 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7322 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7323 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7324 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7325 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7326 x86_64_fallback_frame_state): Set fs->signal_frame.
7327 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7328 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7329 (frob_update_context): Likewise. Workaround missing S flag in
7330 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7331 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7332 Remove the psw_addr + 1 hack.
7334 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7336 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7337 with aggregates here.
7338 (find_func_aliases): Remove code for &<aggregate> from here.
7340 2006-02-26 Roger Sayle <roger@eyesopen.com>
7342 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7343 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7344 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7347 2006-02-26 Roger Sayle <roger@eyesopen.com>
7350 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7352 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7354 * opts.c (decode_options): Do not handle flag_strength_reduce.
7355 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7356 and OPT_fstrength_reduce.
7357 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7358 flag_prefetch_loop_arrays for being nonzero.
7359 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7361 (fprefetch-loop-arrays-rtl): Removed.
7362 (flag_prefetch_loop_arrays): Do not specify the value.
7364 * doc/passes.texi: Update documentation of loop optimizer
7366 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7367 -frerun-loop-opt): Remove.
7369 2006-02-26 Richard Guenther <rguenther@suse.de>
7371 PR tree-optimization/26421
7372 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7373 in function calls that are ADDR_EXPRs as using the whole structure.
7375 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7377 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7378 * tree-pass.h (pass_loop_optimize): Remove.
7379 * passes.c (pass_loop_optimize): Never run it.
7380 * toplev.c (backend_init): Don't call init_loop.
7381 * opts.c (flag_loop_optimize_set): Remove.
7382 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7383 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7384 the old RTL loop optimizer when profiling enabled.
7385 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7386 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7387 pre-headers for the sake of the old RTL loop optimizer.
7388 * Makefile.in: Remove all references to loop.o.
7390 * doc/invoke.texi: Remove all references to -floop-optimize
7391 and -frerun-loop-opt.
7393 2006-02-26 Zack Weinberg <zackw@panix.com>
7395 * doc/md.texi (Machine Constraints): Refer to all files with paths
7396 relative to gcc directory (i.e. config/CPU/file). Add missing
7397 @table @code ... @end table to M32C subsection.
7399 2006-02-26 Roger Sayle <roger@eyesopen.com>
7401 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7403 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7405 2006-02-26 Roger Sayle <roger@eyesopen.com>
7406 James A. Morrison <phython@gcc.gnu.org>
7409 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7410 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7411 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7412 signedness of the shift operation.
7414 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7416 PR tree-optimization/26359
7417 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7419 2006-02-25 Roger Sayle <roger@eyesopen.com>
7421 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7422 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7423 as X == 0, and some symmetry related transformations.
7424 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7426 2006-02-25 Roger Sayle <roger@eyesopen.com>
7429 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7430 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7431 symmetry related transformations. Fold (X^C1) == C2 as
7434 2006-02-25 Juergen Weigert <jw@suse.de>
7435 Richard Guenther <rguenther@suse.de>
7437 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7439 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7441 * combine.c (gen_lowpart_or_truncate): Call
7442 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7444 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7446 * doc/invoke.texi: Move -fopenmp description to "Options for
7448 Remove reference to -lgomp.
7450 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7452 * doc/install.texi: Require GNU tar version 1.14.
7454 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7456 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7457 * doc/invoke.texi (C++ Dialect Options): Document
7458 -fno-use-cxa-get-exception-ptr.
7459 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7460 * configure: Regenerate.
7461 * c.opt (fuse-cxa-get-exception-ptr): New.
7462 * c-opts.c (c_common_handle_option): Handle
7463 OPT_fuse_cxa_get_exception_ptr.
7464 * c-common.c (flag_use_cxa_atexit): Update documentation.
7465 (flag_use_cxa_get_exception_ptr): New.
7466 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7467 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7469 (C_COMMON_OVERRIDE_OPTIONS): New.
7471 2006-02-24 Roger Sayle <roger@eyesopen.com>
7474 * combine.c (try_combine): Explicitly check whether GET_CODE is
7475 a SET or a CLOBBER, instead on checking that it isn't a USE.
7477 2006-02-24 Roger Sayle <roger@eyesopen.com>
7479 * fold-const.c (fold_comparison): New subroutine of fold_binary
7480 containing transformations common to both the equality and
7481 ordering relational operators, factored out of fold_binary.
7482 (fold_binary): Separate out the equality operators (EQ_EXPR
7483 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7484 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7485 transformations common to both.
7486 (fold_div_compare): Fix latent bugs in the previously unreachable
7487 LT_EXPR and GE_EXPR cases.
7489 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7491 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7492 decl libname for clog to __clog on AIX.
7494 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7496 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7499 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7500 output traceback table for thunks. Localise rs6000_stack_info call.
7502 2006-02-23 Roger Sayle <roger@eyesopen.com>
7503 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7505 * gthr-posix.h (__gthrw): Fix typo in comment.
7507 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7509 * doc/cpp.texi (Character sets): Document that we do support
7510 input files to be in any character set.
7512 2006-02-23 Jeff Law <law@redhat.com>
7514 * tree.h (PHI_ARG_NONZERO): Remove.
7515 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7516 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7517 node to the new node.
7519 PR tree-optimization/26425
7520 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7521 min/max, then assume its varying.
7523 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7525 PR rtl-optimization/26316
7526 * rtlanal.c (enum may_trap_p_flags): New.
7527 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7528 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7529 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7530 (may_trap_after_code_motion_p): New function.
7531 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7532 (find_invariant_insn): Use may_trap_after_code_motion_p.
7533 * rtl.h (may_trap_after_code_motion_p): Declare.
7535 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7537 * emit-rtl.c (immed_double_const): Cleanup.
7539 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7541 Fix PR tree-optimization/26376
7542 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7545 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7548 * gimplify.c (omp_add_variable): Guard variable size decl test with
7549 DECL_SIZE (decl) check.
7551 2006-02-23 Richard Guenther <rguenther@suse.de>
7554 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7555 like aggregate types.
7557 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7559 * configure.ac: Add --with{,out}-long-double-128 configure option.
7560 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7561 * configure: Rebuilt.
7562 * config.in: Rebuilt.
7563 * doc/install.texi (Options specification): Document
7564 --with-long-double-128.
7566 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7567 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7568 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7569 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7571 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7573 * config/s390/s390.c (override_options): Handle
7574 TARGET_DEFAULT_LONG_DOUBLE_128.
7576 * config/alpha/alpha.c (override_options): Handle
7577 TARGET_DEFAULT_LONG_DOUBLE_128.
7579 * config/sparc/sparc.c (sparc_override_options): Handle
7580 TARGET_DEFAULT_LONG_DOUBLE_128.
7582 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7584 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7585 (real-install-headers-tar, real-install-headers-cpio)
7586 (real-install-headers-cp): New targets.
7588 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7590 * tree.h (variable_section): Delete.
7591 * varasm.c (variable_section): Delete.
7593 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7595 * install.texi: Add notes on install.texi2html.
7596 (Building in parallel): Do not use footnotes.
7598 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7601 * doc/install.texi (Configuration): Document --disable-libgomp.
7603 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7605 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7607 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7609 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7610 (vec_extractv2df_0_sse): New.
7612 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7614 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7615 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7616 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7617 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7618 to the result of the expression.
7619 (def_cfa_1): Adjust.
7620 (frame_pointer_cfa_offset): Rename to...
7621 (frame_pointer_fb_offset): ... this. Adjust all uses.
7622 (convert_cfa_to_loc_list): Rename to...
7623 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7624 Pass it on to build_cfa_loc.
7625 (compute_frame_pointer_to_cfa_displacement): Rename to...
7626 (compute_frame_pointer_to_fb_displacement): ... this. New
7627 offset parameter. Use it in computation.
7628 (gen_subprogram_die): Compute cfa_fb_offset with the new
7629 macro, and use it to compute the fb loc list and the
7632 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7634 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7635 replaced with register_operand.
7636 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7637 non-DREG is expensive.
7638 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7639 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7642 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7644 * doc/install.texi2html: Use set -e.
7646 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7648 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7649 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7650 * doc/invoke.texi (-fshared-data): Delete.
7651 * common.opt (fshared-data): Delete.
7652 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7653 (assemble_static_space): Remove #if 0 code.
7654 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7655 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7656 * config/cris/cris.h: Remove FIXME.
7658 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7660 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7663 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7666 * combine.c (simplify_shift_const_1): Disable nested shifts
7667 optimization for vector shifts.
7669 2006-02-20 Roger Sayle <roger@eyesopen.com>
7671 PR tree-optimization/26361
7672 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7673 of unsigned integer types.
7675 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7677 * tree-chrec.c (eq_evolutions_p): New.
7678 * tree-chrec.h (eq_evolutions_p): Declared.
7679 * tree-data-ref.c: Fix formatting.
7680 (datadep_stats, dependence_stats): New.
7682 (print_direction_vector): New.
7683 (dump_data_dependence_relation): Use print_direction_vector.
7684 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7685 (compute_subscript_distance): Static.
7686 (initialize_data_dependence_relation): Static. Get the number
7687 of loops surrounding the references from the callers, and initialize
7688 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7689 base_object_differ_p analyzers.
7690 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7691 compute_overlap_steps_for_affine_1_2,
7692 analyze_subscript_affine_affine): Count the classified dependences.
7693 Print a message when a test failed.
7694 (can_use_analyze_subscript_affine_affine): New.
7695 (analyze_siv_subscript): Compute the data dependences on symbolic
7696 scevs that verify can_use_analyze_subscript_affine_affine.
7697 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7698 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7699 Handle symbolic scevs.
7700 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7702 (subscript_dependence_tester): Moved...
7703 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7704 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7705 DDR_SIZE_VECT instead of getting it in parameter.
7706 (subscript_dependence_tester): ... here. Take as a parameter
7707 loop_nest_depth. Call build_classic_dist_vector and
7708 build_classic_dir_vector.
7709 (compute_affine_dependence): Update subscript_dependence_tester
7710 parameters. Update datadep_stats counters. Call
7711 compute_subscript_distance.
7712 (compute_self_dependence): Save the dist and dir vectors. Call
7713 compute_subscript_distance.
7714 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7715 (compute_all_dependences): Reorder parameters as they were before
7716 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7717 compute_subscript_distance. Update the use of
7718 compute_affine_dependence and initialize_data_dependence_relation.
7719 (find_data_references_in_loop): Handle COMPONENT_REF.
7720 (compute_data_dependences_for_loop): Initialize dependence_stats.
7721 Don't call build_classic_dist_vector and build_classic_dir_vector.
7722 Update the parameters of initialize_data_dependence_relation and
7723 compute_all_dependences. Print the statistics from datadep_stats.
7724 (analyze_all_data_dependences): Static. Not used until the pass for
7725 checking the data dependences is contributed.
7726 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7727 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7728 (initialize_data_dependence_relation, compute_affine_dependence,
7729 analyze_all_data_dependences, compute_subscript_distance): Removed.
7730 (print_direction_vector): New.
7731 * lambda.h (gcd): ... here.
7732 (lambda_vector_gcd): Moved here from gcd_vector.
7733 * lambda-code.c (gcd, gcd_vector): Removed.
7734 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7735 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7737 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7739 * ipa-type-escape.c: Tidy some comments and white space.
7740 * tree-ssa-operands.c: Likewise.
7742 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7745 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7746 (dump_decl_name): Do not walk the decl tree chains.
7747 * tree-pass.h (TDF_CHAIN): Remove.
7749 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7751 * Makefile.in (C): Remove
7753 (.PHONY): Remove C and PROTO
7755 2006-02-20 Roger Sayle <roger@eyesopen.com>
7758 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7759 deprecated CHAR_TYPE tree code.
7761 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7763 * configure.ac (target_list): Add install-info, dvi, html.
7764 * configure: Regenerate.
7766 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7767 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7768 treelang/Make-lang.in: Do not use double-colon rules.
7770 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7772 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7773 (TMT_USED_ALONE): New macro.
7774 * tree-pass.h (PROP_tmt_usage): New property.
7775 (TODO_update_tmt_usage): New todo.
7776 * tree-ssa-alias.c (updating_used_alone): New variable.
7777 (recalculate_used_alone): New function.
7778 (compute_may_aliases): Set updating_used_alone, call
7779 recalculate_used_alone.
7780 * tree-sra.c (pass_sra): Note that this pass destroys
7781 PROP_tmt_usage, and add TODO_update_tmt_usage.
7782 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7783 * tree-flow.h (updating_used_alone): Prototype.
7784 (recalculate_used_alone): Ditto.
7785 * passes.c (execute_todo): Add code to set updating_used_alone,
7786 and call recalculate.
7787 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7788 for clobber if used alone, and add assert to verify used_alone
7791 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7793 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7794 for non tls symbols added.
7795 (legitimize_address): Do nothing for PLUS expressions if one of the
7796 addends is a tls symbol reference.
7798 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7802 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7804 * Makefile.in (BOOTSTRAPPING): New.
7805 (quickstrap): New definition if BOOTSTRAPPING=yes.
7807 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7808 * configure.ac: Substitute all_selected_languages with the languages
7809 that were configured. For all the other variables except
7810 lang_specs_files, include all the languages in the tree.
7811 * configure: Regenerate.
7813 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7814 if there is one. Run the commands to run fixincludes in the same
7817 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7818 * doc/install.texi: Document exact conventions for searching target tools.
7819 Document --with-build-time-tools. Document toplevel bootstrap. Document
7820 something more about building an Ada cross-compiler. Don't list GNU Make
7821 requirements which affect all platforms.
7823 2006-02-19 Roger Sayle <roger@eyesopen.com>
7826 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7827 only equivalent if the have both the same mode and precision.
7829 2006-02-20 Ben Elliston <bje@au.ibm.com>
7831 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7833 2006-02-19 Roger Sayle <roger@eyesopen.com>
7834 Steven Bosscher <stevenb.gcc@gmail.com>
7836 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7837 constant pool references to identify stack mode constants.
7838 * rtlanal.c (constant_pool_constant_p): New predicate to check
7839 whether operand is a floating point constant in the pool.
7840 * rtl.h (constant_pool_constant_p): Prototype here.
7841 * loop.c (scan_loop): Avoid hoisting constants from the constant
7842 pool on STACK_REGS targets.
7843 (load_mems): Likewise.
7844 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7845 loads into x87 registers expensive in terms of register pressure.
7847 2006-02-19 Roger Sayle <roger@eyesopen.com>
7849 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7850 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7852 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7854 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7855 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7857 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7859 * doc/invoke.texi: Document -fipa-pta.
7860 * common.opt: Add ipa-pta option.
7861 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7862 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7863 (do_ds_constraint): Ditto.
7864 (get_constraint_for): Only add to referenced_vars if
7865 referenced_vars exists.
7866 (insert_into_field_list): Rewrite to do this unsorted.
7867 (insert_into_field_list_sorted): Rename old insert_into_field_list
7869 (create_function_info_for): Use insert_into_field_list_sorted.
7870 (create_variable_info_for): Rewrite so it uses unsorted version,
7871 since the field list is sorted.
7872 (intra_create_variable_infos): Only add to referenced_vars if
7873 referenced_vars exists.
7874 (ipa_pta_execute): Init heapvars, and delete when done.
7875 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7877 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7879 * doc/install.texi: Add missing `@samp'.
7881 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7883 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7886 2006-02-18 Mark Wielaard <mark@klomp.org>
7888 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7889 who added new 4.1 features, bug fixes and integration support.
7891 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7894 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7897 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7899 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7900 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7901 (copy_insn_1): Likewise. Don't copy each field individually.
7903 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7905 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7906 * rtl.c (rtx_size): Rename variable to...
7907 (rtx_code_size): ...this.
7908 (rtx_size): New function.
7909 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7910 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7912 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7913 * rtl.h (rtx_code_size): New variable.
7914 (rtx_size): Change from a variable to a function.
7915 (RTX_SIZE): Rename to...
7916 (RTX_CODE_SIZE): ...this.
7919 PR tree-optimization/17106
7920 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7921 (Anchored Addresses): New section.
7922 * doc/invoke.texi (-fsection-anchors): Document.
7923 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7924 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7925 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7926 * hooks.c (hook_bool_mode_rtx_false): New function.
7927 * hooks.h (hook_bool_mode_rtx_false): Declare.
7928 * gengtype.c (create_optional_field): New function.
7929 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7930 SYMBOL_REF_IN_BLOCK_P is true.
7931 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7932 (min_anchor_offset, max_anchor_offset): Likewise.
7933 (use_anchors_for_symbol_p): New hook.
7934 * toplev.c (compile_file): Call output_object_blocks.
7935 (target_supports_section_anchors_p): New function.
7936 (process_options): Check that -fsection-anchors is only used on
7937 targets that support it and when -funit-at-a-time is in effect.
7938 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7939 if the decl doesn't have one.
7940 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7941 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7942 of force_const_mem through use_anchored_address.
7943 (expand_expr_constant): New function.
7944 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7945 calling expand_expr for INDIRECT_REF.
7946 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7947 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7948 * expr.h (use_anchored_address): Declare.
7949 * loop-unroll.c: Don't declare rtx vectors here.
7950 * explow.c: Include output.h.
7951 (validize_mem): Call use_anchored_address.
7952 (use_anchored_address): New function.
7953 * common.opt (-fsection-anchors): New switch.
7954 * varasm.c (object_block_htab, anchor_labelno): New variables.
7955 (hash_section, object_block_entry_eq, object_block_entry_hash)
7956 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7957 (use_blocks_for_decl_p, change_symbol_section): New functions.
7958 (get_variable_section): New function, split out from assemble_variable.
7959 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7960 use_blocks_for_decl_p say so. Use change_symbol_section if the
7961 symbol has already been created.
7962 (assemble_variable_contents): New function, split out from...
7963 (assemble_variable): ...here. Don't output any code for
7964 block symbols; just pass them to place_block_symbol.
7965 Use get_variable_section and assemble_variable_contents.
7966 (get_constant_alignment, get_constant_section, get_constant_size): New
7967 functions, split from output_constant_def_contents.
7968 (build_constant_desc): Create a block symbol if use_object_blocks_p
7969 says so. Or into SYMBOL_REF_FLAGS.
7970 (assemble_constant_contents): New function, split from...
7971 (output_constant_def_contents): ...here. Don't output any code
7972 for block symbols; just pass them to place_section_symbol.
7973 Use get_constant_section and get_constant_alignment.
7974 (force_const_mem): Create a block symbol if use_object_blocks_p and
7975 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7976 (output_constant_pool_1): Add an explicit alignment argument.
7977 Don't switch sections here.
7978 (output_constant_pool): Adjust call to output_constant_pool_1.
7979 Switch sections here instead. Don't output anything for block symbols;
7980 just pass them to place_block_symbol.
7981 (init_varasm_once): Initialize object_block_htab.
7982 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7983 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7984 (place_block_symbol, get_section_anchor, output_object_block)
7985 (output_object_block_htab, output_object_blocks): New functions.
7986 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7987 (TARGET_ASM_OUT): Include it.
7988 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7989 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7990 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7991 (TARGET_INITIALIZER): Include them.
7992 * rtl.c (rtl_check_failed_block_symbol): New function.
7993 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7994 (block_symbol, object_block): New structures.
7995 (rtx_def): Add a block_symbol field to the union.
7996 (BLOCK_SYMBOL_CHECK): New macro.
7997 (rtl_check_failed_block_symbol): Declare.
7998 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7999 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8000 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8001 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8002 * output.h (output_section_symbols): Declare.
8003 (object_block): Name structure.
8004 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8005 (default_use_anchors_for_symbol_p): Declare.
8006 * Makefile.in (RTL_BASE_H): Add vec.h.
8007 (explow.o): Depend on output.h.
8008 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8009 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8010 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8011 (rs6000_use_blocks_for_constant_p): New function.
8013 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8015 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8017 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8020 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8023 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8025 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8029 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8032 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8033 instead of DECL_REGISTER.
8035 2006-02-18 Olivier Hainque <hainque@adacore.com>
8038 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8040 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8043 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8044 * opth-gen.awk: Handle Var and InverseMask together.
8045 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8046 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8047 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8048 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8050 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8051 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8052 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8053 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8054 LINUX_DYNAMIC_LINKER): Define.
8055 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8056 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8058 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8059 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8060 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8062 (TARGET_C99_FUNCTIONS): Don't define.
8063 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8064 GLIBC_DYNAMIC_LINKER.
8065 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8066 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8067 GLIBC_DYNAMIC_LINKER64): Define.
8068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8069 LINUX_DYNAMIC_LINKER64.
8070 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8072 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8074 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8076 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8077 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8078 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8080 and LINUX_DYNAMIC_LINKER32.
8081 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8082 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8083 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8085 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8087 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8088 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8089 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8090 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8091 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8092 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8093 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8094 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8095 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8096 LINUX_DYNAMIC_LINKER): Define.
8097 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8098 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8099 GLIBC_DYNAMIC_LINKER64): Define.
8100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8101 LINUX_DYNAMIC_LINKER64.
8102 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8103 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8104 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8105 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8106 LINUX_DYNAMIC_LINKER): Define.
8107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8108 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8109 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8110 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8111 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8112 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8113 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8114 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8115 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8116 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8117 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8118 * doc/invoke.texi (-muclibc): Remove caveat about supported
8121 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8123 * doc/cpp.texi (__TIMESTAMP__): Document.
8125 2006-02-17 Roger Sayle <roger@eyesopen.com>
8128 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8129 C is one less than the width of X (and related transformations).
8130 * simplify-rtx.c (simplify_unary_operation_1): Transform
8131 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8132 depending on STORE_FLAG_VALUE, were C is one less then the
8135 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8137 Fix PR tree-optimization/26341
8138 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8139 about NAME_MEMORY_TAG's.
8141 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8144 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8145 with hardware float support, and software float support. Add fcpy
8146 alternative to hardware patterns. Add alternatives to copy between
8147 general and floating-point registers to the 32-bit pattern.
8148 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8149 secondary reload to load a QI or HI mode constant into a floating
8151 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8152 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8154 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8157 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8159 (load_macho_picbase_di): Likewise.
8161 2006-02-16 Jeff Law <law@redhat.com>
8163 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8164 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8165 (ssa_name_nonzero_p): Likewise.
8166 (get_value_range): Return NULL if VRP is not running.
8167 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8168 VRP routines do not discover a range.
8169 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8170 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8171 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8172 (tree_expr_nonnegative_p): Similarly.
8173 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8174 (restore_nonzero_vars_to_original_value): Remove.
8175 (unsafe_associative_fp_binop): Remove.
8176 (tree_ssa_dominator_optimize): Remove initialization and
8177 finalization of nonzero_vars and nonzero_vars_stack.
8178 (dom_opt_initialize_block): No longer push marker on
8180 (dom_opt_finalize_block): No longer call
8181 restore_nonzero_vars_to_original_value.
8182 (record_equivalences_from_phis): No longer look for
8183 nonzero PHI arguments.
8184 (cprop_into_successor_phis): No longer propagate nonzero
8185 property into PHI arguments. Lose unused argument. Caller
8187 (record_equivalences_from_stmt): No longer record nonzero
8188 values for SSA_NAMEs.
8189 (lookup_avail_expr): No longer use nonzero_vars.
8191 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8192 for sizetype when sizetype is unsigned.
8194 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8196 PR rtl-optimization/25603
8197 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8198 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8199 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8200 with new meaning of SETS.
8202 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8207 * config/linux.opt: New file.
8208 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8209 LINUX_DYNAMIC_LINKER): Define.
8210 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8211 * config.gcc (*-*-linux*): Define extra_options.
8212 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8213 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8214 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8215 GLIBC_DYNAMIC_LINKER.
8216 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8217 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8218 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8220 * doc/invoke.texi (GNU/Linux Options): New section.
8222 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8224 * config/sparc/sparc.md (setjmp): Rewrite.
8225 (setjmp_32): Delete.
8226 (setjmp_64): Likewise.
8228 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8230 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8233 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8235 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8238 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8240 PR rtl-optimization/26296
8241 * Makefile.in (loop-invariant.c): Add except.h dependency.
8242 * loop-invariant.c: Include except.h.
8243 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8245 2005-02-16 Paul Brook <paul@codesourcery.com>
8247 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8250 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8252 PR rtl-optimization/25636
8253 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8254 when deciding whether an insn is an initializing insn.
8256 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8258 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8259 (tree_code_size): Ditto.
8260 * tree.h (struct tree_memory_tag): Remove parent_var.
8261 (struct tree_struct_field_tag): New.
8264 (union tree_node): Add sft member.
8265 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8267 (create_sft): Add size and offset argument, set SFT_OFFSET and
8269 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8270 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8271 * tree-flow-inline.h (get_subvar_at): Update for
8272 SFT_OFFSET/SFT_SIZE.
8273 (var_can_have_subvars): Ditto.
8274 (overlap_subvar): Ditto.
8275 * print-tree.c (print_node): Print out interesting things for
8277 * tree-flow.h (struct subvar): Remove offset and size members.
8278 * tree-ssa-operands.c (get_expr_operands): Update for
8279 get_indirect_ref_operands changes.
8280 (get_indirect_ref_operands): Call add_virtual_operand instead of
8281 add_stmt_operand. Only recurse on base var if requested.
8282 (access_can_touch_variable): New function.
8283 (add_stmt_operand): Split virtual operand handling into ...
8284 (add_virtual_operand): Here. Add offset, size, and for_clobber
8285 arguments. Prune alias sets.
8286 (add_call_clobber_ops): Call add_virtual_operand.
8288 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8291 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8293 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8294 than TREE_CODE as index into omp_clause_num_ops array.
8296 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8298 PR rtl-optimization/26184
8299 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8301 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8302 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8303 must_precede, must_follow and tobe_scheduled.
8306 * opts.c (common_handle_option): Free new_option pointer.
8307 * df-core.c (df_analyze): Free postorder pointer.
8309 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8311 * Makefile.in: Fix the examples about the use of stamps
8313 2006-02-15 Michael Matz <matz@suse.de>
8317 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8318 influenced by maximum_field_alignment or DECL_PACKED.
8319 (update_alignment_for_field): Ditto.
8320 (place_field): Ditto.
8321 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8324 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8326 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8327 (debug_flow_info): Pass it.
8328 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8329 * bb-reorder.c (reorder_basic_blocks): Likewise.
8330 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8331 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8332 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8333 * gcse.c (gcse_main, bypass_jumps): Likewise.
8334 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8335 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8336 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8337 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8338 * rtl.h (dump_flow_info): Adjust prototype.
8339 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8340 * var-tracking.c (variable_tracking_main): Likewise.
8341 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8342 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8345 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8347 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8350 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8352 PR tree-optimization/26209
8353 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8354 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8356 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8358 2006-02-14 Roger Sayle <roger@eyesopen.com>
8361 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8362 (X,Y) and the corresponding symmetry related transformations.
8363 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8364 (X,Y) and its symmetry related transformations.
8366 2006-02-14 Roger Sayle <roger@eyesopen.com>
8368 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8371 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8373 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8375 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8378 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8379 support COMDAT group.
8380 * configure: Regenerate.
8382 2006-02-14 Roger Sayle <roger@eyesopen.com>
8387 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8389 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8391 Fix PR tree-optimization/26260
8393 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8395 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8396 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8397 * tree-ssa-structalias.c (create_variable_info_for): Use
8398 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8400 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8402 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8404 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8405 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8406 of the ending condition.
8407 * tree-ssa-loop-manip.c: Include params.h.
8408 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8409 tree_unroll_loop): New functions.
8410 * tree-pass.h (pass_loop_prefetch): Declare.
8411 * loop.c (rest_of_handle_loop_optimize): Test for
8412 -fprefetch-loop-arrays-rtl.
8413 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8414 * timevar.def (TV_TREE_PREFETCH): New timevar.
8415 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8416 pass_loop_prefetch): New.
8417 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8418 (cleanup_tree_cfg_loop): Call scev_reset.
8419 * common.opt (fprefetch-loop-arrays-rtl): Add.
8420 * tree-ssa-loop-prefetch.c: New file.
8421 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8422 (new_temp_expr_table): Initialize expr_vars.
8423 (free_temp_expr_table): Cleanup expr_vars.
8424 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8425 expressions from being merged into one.
8426 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8427 (struct tree_niter_desc): Add control, bound and cmp fields.
8428 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8430 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8431 (tree-cfgcleanup.o): Add SCEV_H dependency.
8432 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8433 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8435 2006-02-14 Richard Guenther <rguenther@suse.de>
8437 PR tree-optimization/26258
8438 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8439 in PHI argument processing.
8441 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8443 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8444 new expression in the requested machine mode.
8446 2006-02-13 Roger Sayle <roger@eyesopen.com>
8448 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8449 directly, instead let do_compare_rtx_and_jump handle this for us.
8450 * expr.c (expand_expr_real_1): Likewise.
8451 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8452 before do_jump_by_parts_greater.
8453 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8454 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8456 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8458 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8460 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8462 PR rtl-optimization/26235
8463 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8464 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8467 2006-02-13 Jeff Law <law@redhat.com>
8469 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8472 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8475 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8476 twice if decl is a builtin. When trying again, call get_callee_fndecl
8477 first to verify it is still a builtin.
8479 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8481 * dwarf2out.c (base_type_die): Don't add AT_name here.
8482 (subrange_type_die): Don't add AT_name here.
8483 (modified_type_die): Rearrange code flow. Do add AT_name here.
8485 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR rtl-optimization/26247
8488 PR rtl-optimization/26248
8489 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8491 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8493 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8494 * config/fixtfdi.c: Likewise.
8495 * config/fixunstfdi.c: Likewise.
8496 * config/floatditf.c: Likewise.
8498 2006-02-13 Roger Sayle <roger@eyesopen.com>
8501 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8502 into (X,C2) if C1 is a subset of the bits of C2. Transform
8503 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8505 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8507 2006-02-13 Josh Conner <jconner@apple.com>
8510 * varasm.c (function_section): Check for section name before
8511 calling select_section on targets that define
8512 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8513 unlikely_text_section instead of hot_function_section if
8514 first_function_block_is_cold.
8516 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8519 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8523 PR rtl-optimization/26222
8524 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8525 after tree->rtl expansion.
8526 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8527 before passing it to emit_move_insn.
8529 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8531 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8533 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8534 Clarify documentation.
8535 * c-common.h (warn_write_strings): Remove.
8536 * c-common.c (warn_write_strings): Likewise.
8537 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8540 2006-02-12 Roger Sayle <roger@eyesopen.com>
8543 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8544 (do_jump_parts_zero_rtx): New function renamed from
8545 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8546 (do_jump_parts_equality_rtx): New function split out from
8547 do_jump_parts_equality. Old implementation renamed as above.
8548 Call do_jump_parts_zero_rtx if either operand is zero.
8549 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8550 do all of the heavy lifting.
8551 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8552 calling either do_jump_by_parts_greater_rtx or
8553 do_jump_by_parts_equality_rtx.
8554 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8555 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8556 moved to do_compare_rtx_and_jump, call it directly.
8557 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8558 mode argument. Call do_compare_rtx_and_jump.
8559 (emit_case_nodes): Update calls to do_jump_if_equal.
8561 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8563 PR rtl-optimization/26225
8564 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8566 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8568 PR rtl-optimization/26232
8569 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8571 2006-02-11 Jason Merrill <jason@redhat.com>
8574 * tree-inline.c (declare_return_variable): Just don't use the
8575 modify target if it's a gimple complex reg and the return slot
8578 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8580 * doc/contrib.texi: Update my entry.
8582 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8584 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8586 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8588 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8591 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8593 * doc/invoke.texi (-floop-optimize2): Removed.
8594 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8595 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8596 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8597 * common.opt (floop-optimize2): Removed.
8598 (fmove-loop-invariants): Enabled by default.
8600 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8602 * tree-if-conv.c (combine_blocks): Free the result of
8603 get_loop_exit_edges.
8605 2006-02-10 Jeff Law <law@redhat.com>
8607 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8609 PR tree-optimization/26213
8610 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8611 loop trying to follow SSA_NAME_VALUE chains.
8613 2006-02-10 Richard Guenther <rguenther@suse.de>
8615 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8616 deal with structures that end in implicitly variable sized arrays.
8618 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8620 PR rtl-optimization/24762
8621 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8624 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8626 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8627 (struct ivopts_data): Add regs_used field.
8628 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8629 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8630 instead of loop_data->regs_used;
8631 (free_loop_data): Do not free aux fields for loops.
8632 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8633 and tree_ssa_iv_optimize_finalize.
8635 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8637 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8639 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8642 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8643 computing the effective result type.
8645 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8648 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8649 (tree_overlaps_hard_reg_set): Declare.
8650 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8651 type and signature to match function type expected by walk_tree.
8652 (tree_overlaps_hard_reg_set): New function.
8653 (decl_conflicts_with_clobbers_p): Rename to:
8654 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8655 Use tree_overlaps_hard_reg_set. Changed caller.
8656 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8657 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8658 * cris.c (cris_md_asm_clobbers): Likewise.
8660 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8662 * reload1.c (emit_input_reload_insns): Delete code that tries to
8663 inherit using find_equiv_reg.
8665 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8667 * c-common.h (flag_const_strings): Don't declare.
8668 * c-common.c (flag_const_strings): Remove.
8669 * c.opt (fconst_strings): Remove.
8670 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8671 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8672 (c_common_init_options): Don't set flag_const_strings.
8673 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8675 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8677 * arm.md (tlobits_cbranch): New pattern.
8678 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8679 testing a single bit.
8681 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8684 * tree-ssa-pre.c (create_component_ref_by_pieces):
8685 Handle RETURN_DECL like VAR_DECL.
8687 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8690 * fold-const.c (fold_indirect_ref_1): Fold
8691 "*(foo *)&complexfoo" to "__real__ complexfoo"
8692 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8694 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8696 * tree-flow-inline.h (var_can_have_subvars):
8697 Volatile variables should not have subvariables.
8699 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8702 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8703 multiplying unsigned values.
8706 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8708 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8710 2006-02-08 Jason Merrill <jason@redhat.com>
8713 * tree.def: Elaborate on difference from MODIFY_EXPR.
8714 * doc/c-tree.texi (INIT_EXPR): Likewise.
8715 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8716 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8717 (gimplify_target_expr): Likewise.
8718 (gimplify_cond_expr): Remove target handling.
8719 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8720 (gimplify_expr): Clobber it here.
8721 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8722 Do return slot optimization if we have an INIT_EXPR.
8725 * tree-inline.c (declare_return_variable): Also clear
8726 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8729 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8732 * gimplify.c (gimplify_one_sizepos): Fix typo.
8734 2006-02-08 Jeff Law <law@redhat.com>
8736 PR tree-optimization/21417
8737 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8738 across a backedge if the control statement at the end of the
8739 block is data dependent on other statements in the same block.
8740 (record_temporary_equivalences_from_stmts): Remove over-conservative
8741 test for threading across backedges.
8743 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8744 control statement, handle all three special cases in the same
8745 manner as they all have the same desired solution. No longer
8746 special case edge flag updating when the post dominator is
8749 2006-02-08 Roger Sayle <roger@eyesopen.com>
8751 * tree.def (CHAR_TYPE): Remove.
8752 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8753 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8754 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8755 (gen_string_type_die): Delete unreachable function.
8757 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8758 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8759 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8760 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8761 * builtins.c (type_to_class): Likewise.
8762 * fold-const.c (fold_convert, build_range_check,
8763 merge_ranges): Likewise.
8764 * expr.c (count_type_elements): Likewise.
8765 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8766 * stor-layout.c (layout_type): Likewise.
8767 * ipa-type-escape.c (type_to_consider): Likewise.
8768 * gimplify.c (omp_firstprivatize_type_sizes,
8769 gimplify_type_sizes): Likewise.
8770 * explow.c (promote_mode): Likewise.
8771 * tree-sra.c (is_sra_scalar_type): Likewise.
8772 * varasm.c (output_constant): Likewise.
8773 * tree-inline.c (remap_type_1): Likewise.
8774 * convert.c (convert_to_pointer, convert_to_real,
8775 convert_to_integer, convert_to_complex): Likewise.
8777 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8779 * df-scan.c (df_def_record_1): A set destination may
8780 be a parallel regardless of mode.
8782 2006-02-08 Roger Sayle <roger@eyesopen.com>
8785 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8786 * config/mips/_tilib.c: Remove.
8787 * config/fixtfdi.c: New libgcc source file.
8788 * config/fixunstfdi.c: New source file.
8789 * config/floatditf.c: New source file.
8790 * config/floatunditf.c: New souce file.
8791 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8792 files above instead of config/mips/_tilib.c.
8793 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8795 2006-02-08 Jeff Law <law@redhat.com>
8797 PR tree-optimization/26169
8798 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8801 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8803 * df.h (DF_REG_SIZE): Return the length of the initialized
8806 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8808 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8809 __muldf3): Return a correctly signed zero.
8811 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8813 * passes.c (register_one_dump_file): Accept the current properties
8814 instead of pass number. Adjust call to dump_register. Remove
8816 (register_dump_files): Now a wrapper around...
8817 (register_dump_files_1): ... this one. Do not modify the pass
8819 (next_pass_1): Cosmetic fix.
8820 (execute_todo): Keep second parameter only. Use curr_properties
8821 instead of fetching it from the pass structure. Check and set
8823 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8824 instead of fetching it from the pass structure. Fix calls to
8825 execute_todo. Update curr_properties and initialize .vcg RTL dump
8826 after running the pass. Reset last_verified.
8827 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8829 (FIRST_AUTO_NUMBERED_DUMP): New.
8830 (dump_register): Remove "num" parameter, assign it within the
8832 (get_dump_file_name): Modify template for dumps.
8833 * tree-dump.h (dump_register): Adjust prototype.
8834 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8835 (PROP_trees): Add PROP_gimple_lomp.
8836 (TODO_set_props): New.
8837 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8838 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8839 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8841 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8843 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8844 (sparc64-*-linux*): Likewise.
8845 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8846 * config/sparc/t-linux: New file.
8847 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8848 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8849 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8850 -m32 -mlong-double-128.
8852 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8853 * config/alpha/t-linux: New file.
8854 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8856 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8857 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8858 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8859 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8860 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8861 (CPP_ARCH32_SPEC): Remove.
8863 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8865 PR tree-optimization/26145
8866 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8869 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8872 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8873 >= 240000 when generating code for SOM runtime.
8874 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8875 to $$dyncall when generating code for SOM runtime..
8877 2006-02-07 Dirk Mueller <dmueller@suse.com>
8880 * doc/invoke.texi (-Wsequence-point): Update documentation
8881 that -Wsequence-point is implemented for C++ as well.
8883 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8885 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8886 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8887 (LIB_SPEC): Likewise.
8888 * doc/invoke.texi (SPARC options): Document -pthread.
8890 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8892 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8895 2006-02-07 Roger Sayle <roger@eyesopen.com>
8897 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8898 Correct comment describing BOOLEAN_TYPE.
8900 2006-02-07 Dirk Mueller <dmueller@suse.com>
8902 * c.opt: C++ frontend supports -Wdiv-by-zero.
8903 * c-opts.c (c_common_handle_option): Remove dead case.
8905 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8907 * configure.ac (TLS assembler check): Do not enable TLS by
8908 default on SPARC/Solaris before version 10.
8909 * configure: Regenerate.
8911 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8913 * doc/invoke.texi (xl-compat): Document conversion and support
8916 2006-02-07 Jeff Law <law@redhat.com>
8918 * tree-vrp.c (find_conditional_asserts): Update comments.
8919 (simplify_stmt_for_jump_threading): New.
8920 (identify_jump_threads, finalize_jump_threads): New.
8921 (vrp_finalize): Call identify_jump_threads.
8922 (execute_vrp): Call finalize_jump_threads.
8923 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8924 (vrp_element, vrp_data, vrp_element_p): Remove.
8925 (vrp_hash_elt, vrp_variables_stack): Remove.
8926 (vrp_hash, vrp_eq, record_range): Remove.
8927 (simplify_cond_and_lookup_avail_expr): Remove.
8928 (extract_range_from_cond): Remove.
8929 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8930 (simplify_stmt_for_jump_threading): New.
8931 (dom_thread_across_edge): New wrapper.
8932 (tree_ssa_dominator_optimize): No longer initialize or
8933 finalize any of the VRP datastructures. Remove iteration
8934 step and simplify as a result of removal of iteration step.
8935 (pass_dominator): Perform a cfg cleanup after DOM.
8936 (dom_opt_finalize_block): Use the new common routines
8937 for threading jumps. Simplify stack management slightly.
8938 No longer need to unwind VRP state.
8939 (record_equivalences_from_incoming_edge): No longer record
8941 (eliminate_redundant_computations): No longer call
8942 simplify_cond_and_lookup_avail_expr.
8943 * tree-flow.h (potentially_threadable_block): Prototype.
8944 (thread_across_edge): Likewise.
8945 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8946 (tree-ssa-threadedge.o): Add dependencies.
8947 * tree-ssa-threadedge.c: New file.
8948 * passes.c (init_optimization_passes): Merge PHIs before
8949 calling VRP. Run VRP again late in the SSA optimization pipeline.
8951 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8953 * df-core.c (df_set_blocks): Do not dereference function pointers.
8954 (df_finish1): Likewise.
8955 (df_hybrid_search_forward): Likewise.
8956 (df_hybrid_search_backward): Likewise.
8957 (df_iterative_dataflow): Likewise.
8958 (df_analyze_problem): Likewise.
8959 (df_compact_blocks): Likewise.
8960 (df_dump): Likewise.
8961 * df-scan.c (df_rescan_blocks): Likewise.
8962 (df_record_entry_block_defs): Likewise.
8964 * genconditions.c (write_conditions): Guard the definition of
8965 'insn_conditions' with the check on GCC version.
8966 (write_writer): Guard the traversal 'insn_conditions' with
8967 the check on GCC version.
8969 2006-02-07 Richard Guenther <rguenther@suse.de>
8973 2006-01-30 Richard Guenther <rguenther@suse.de>
8975 * gimplify.c (gimplify_target_expr): Handle easy cases
8976 without creating a temporary.
8978 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8980 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8981 use of float in probability computations. Use edge probabilities
8982 in place of statically computed probabilities.
8983 (min_spec_prob): New static variable.
8984 (schedule_insns): Initialize it.
8985 (GET_SRC_PROB): Removed.
8986 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8988 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8991 * config/ia64/unwind-ia64.c: Revert last change.
8992 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8993 (INCOMING_FRAME_SP_OFFSET): Define.
8995 2006-02-06 Roger Sayle <roger@eyesopen.com>
8997 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8999 2006-02-07 Ben Elliston <bje@au.ibm.com>
9001 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9002 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9003 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9004 (ix86_return_in_memory): Handle TDmode.
9005 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9006 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9008 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9010 * reorg.c (dbr_schedule): Use dump_file instead of file.
9012 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9015 * config/ia64/predicates.md (extr_len_operand): New predicate.
9016 * config/ia64/ia64.md (extv): Tighten constraints.
9018 (*tbit_and_2): Ditto.
9019 (*tbit_and_3): Ditto.
9020 (*tbit_or_2): Ditto.
9021 (*tbit_or_3): Ditto.
9025 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9028 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9030 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9032 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9033 loop_optimizer_init and loop_optimizer_finalize
9034 * tree-ssa-sink.c (execute_sink_code): Ditto.
9035 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9036 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9037 tree_ssa_loop_done): Ditto.
9038 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9039 * sched-ebb.c: Include output.h.
9040 (schedule_ebbs): Do not use dump argument.
9041 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9042 * loop.c (loop_dump_stream): Removed.
9043 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9045 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9046 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9047 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9048 loop_iterations, strength_reduce, record_biv, record_giv,
9049 final_giv_value, check_final_value, check_ext_dependent_givs,
9050 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9051 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9052 dump_file instead of loop_dump_stream.
9053 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9055 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9057 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9058 * haifa-sched.c: Include output.h
9059 (schedule_insns, sched_init): Do not use dump argument.
9060 * mode-switching.c (optimize_mode_switching): Ditto.
9061 * modulo-sched.c (stats_file): Removed.
9062 (print_node_sched_params): Do not call argument dump_file.
9063 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9064 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9066 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9068 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9069 rtl_loop_init, rtl_loop_done): Ditto.
9070 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9071 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9073 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9074 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9075 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9076 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9077 * emit-rtl.c (renumber_insns): Ditto.
9078 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9079 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9080 * regclass.c (regclass): Ditto.
9081 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9082 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9083 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9084 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9086 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9087 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9089 * gcse.c (gcse_file, debug_stderr): Removed.
9090 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9091 rest_of_handle_gcse): Do not use dump argument.
9092 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9093 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9094 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9095 compute_code_hoist_vbeinout, compute_code_hoist_data,
9096 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9097 compute_store_table, build_store_vectors, insert_insn_start_bb,
9098 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9099 store_motion): Use dump_file instead of gcse_file.
9100 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9101 * profile.c (profile_dump_file): Removed.
9102 (branch_prob): Use dump_file instead of profile_dump_file.
9103 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9105 * tree-ssa-copy.c (dump_copy_of): Ditto.
9106 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9107 dump file to life_analysis.
9108 * bt-load.c (branch_target_load_optimize): Ditto.
9109 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9111 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9112 regclass, dbr_schedule): Declaration changed.
9113 * sched-int.h (sched_init): Declaration changed.
9114 * tree-profile.c (tree_profile_dump_file): Removed.
9115 (tree_profile_hooks): Removed profile_dump_file hook.
9116 * rtl-profile (rtl_profile_dump_file): Removed.
9117 (rtl_profile_hooks): emoved profile_dump_file hook.
9118 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9120 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9121 * tree-cfg.c (build_tree_cfg): Ditto.
9122 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9123 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9124 Declaration changed.
9125 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9126 life_analysis and schedule_insns.
9127 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9129 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9131 * config/mips/mips.c (mips_reorg): Ditto.
9132 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9135 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9137 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9138 (s390_mangle_fundamental_type): New.
9139 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9142 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9143 (alpha_mangle_fundamental_type): New.
9144 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9147 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9149 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9151 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9152 (sparc_mangle_fundamental_type): New.
9154 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9156 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9157 (s390x-*-linux*): Likewise.
9158 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9159 * config/s390/t-linux: New file.
9161 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9163 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9164 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9166 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9168 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9169 (ANTIC_SAFE_LOADS): New macro.
9170 (find_or_generate_expression): Add prototype.
9171 (set_contains_value): Allow null set for sake of not always having
9172 to allocate ANTIC_SAFE_LOADS.
9173 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9174 Allow COMPONENT_REF too.
9175 (valid_in_set): Allow COMPONENT_REF.
9176 Check ANTIC_SAFE_LOADS too.
9177 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9178 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9180 (can_PRE_operation): Add COMPONENT_REF.
9181 (create_component_ref_by_pieces): New function.
9182 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9183 (insert_aux): Move AGGREGATE_TYPE_P check here.
9184 (compute_avail): Set bb local stmt uids.
9185 (pass_pre): Use TODO_update_ssa_only_virtuals.
9187 2006-02-06 Ben Elliston <bje@au.ibm.com>
9189 * configure.ac: Unconditionally disable decimal float by default.
9190 * configure: Regenerate.
9192 2006-02-06 Ben Elliston <bje@au.ibm.com>
9194 * read-rtl.c (read_name): Terminate reading on EOF.
9196 2006-02-06 Ben Elliston <bje@au.ibm.com>
9198 * dfp.c (decimal_real_arithmetic): Change second argument type
9199 from int to enum tree_code. Do not always return true, but now
9200 return result of any call to decimal_do helper functions.
9201 * dfp.h (decimal_real_arithmetic): Update prototype.
9203 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9205 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9207 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9210 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9213 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9215 * tree-vrp.c (cfg_loops): Removed.
9216 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9217 Use current_loops instead of cfg_loops. Pass flags to
9218 loop_optimizer_init.
9219 * cfgloopmanip.c (fix_loop_structure): Update only available
9221 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9222 loop_optimizer_init.
9223 * modulo-sched.c (build_loops_structure): Removed.
9224 (sms_schedule): Use loop_optimizer_init.
9225 * loop-init.c (loop_optimizer_init): Use flags to determine
9226 which properties of loops to prepare.
9227 (rtl_loop_init): Pass flags to loop_optimizer_init.
9228 * tree-ssa-sink.c (execute_sink_code): Ditto.
9229 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9230 * tree-ssa-pre.c (init_pre): Ditto.
9231 * cfgloop.h (LOOPS_NORMAL): New.
9232 (loop_optimizer_init): Declaration changed.
9234 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9236 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9237 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9239 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9241 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9243 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9244 * pa/t-pa64: Delete quadlib.c rule.
9245 * pa/x-ada: Revert last change.
9246 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9248 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9250 PR rtl-optimization/26087
9251 * rtlanal.c (canonicalize_condition): Do not cross basic block
9254 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9257 * config/ia64/ia64.c: Include debug.h.
9258 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9259 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9260 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9261 (process_epilogue, process_set, process_for_unwind_directive):
9262 Output unwind info only if requested. Add CFA info if requested.
9263 Add new arguments as needed. Adjust callers.
9264 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9266 (DWARF2_FRAME_INFO): Define to zero.
9267 * config/ia64/unwind-ia64.c: Remove code that compensated for
9268 the CFA offset error fixed above.
9269 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9270 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9271 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9272 -funwind-tables and -fexceptions to enable frame info.
9273 (dwarf2out_frame_init): Define initial CFA even if
9274 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9275 DWARF2_UNWIND_INFO is nonzero, not just defined.
9276 (dwarf2out_frame_finish): Output non-EH call frame info only
9277 if DWARF2_FRAME_INFO is nonzero.
9278 (convert_cfa_to_loc_list,
9279 compute_frame_pointer_to_cfa_displacement): Define even if
9280 unwind info is not supported.
9281 (gen_subprogram_die): Use the above unconditionally. Remove
9282 legacy alternate code.
9283 * toplev.c (compile_file): Compile in call to
9284 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9285 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9287 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9288 Jakub Jelinek <jakub@redhat.com>
9290 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9291 IBM extended float format long double as "g" on powerpc*-linux.
9293 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9296 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9297 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9299 2006-02-03 Jason Merrill <jason@redhat.com>
9302 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9305 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9306 on the return slot if it's an NRV.
9308 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9310 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9311 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9312 rewrite_use): Do not handle USE_OUTER.
9313 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9314 add_iv_outer_candidates, may_replace_final_value,
9315 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9316 (find_interesting_uses_op): Functionality of
9317 find_interesting_uses_outer_or_nonlin moved here.
9318 (find_interesting_uses_outside): Use find_interesting_uses_op.
9320 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9323 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9325 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9326 Ulrich Weigand <uweigand@de.ibm.com>
9329 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9330 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9331 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9332 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9334 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9335 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9336 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9337 Define secondary reloads for TFmode moves.
9338 (constant_modes): Add TFmode.
9339 (NR_C_MODES): Set to 8.
9340 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9342 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9343 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9344 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9345 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9346 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9347 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9348 (FPR mode macro): Add TFmode.
9349 (DSF mode macro): New.
9350 (<de>, <dee> mode attributes): Removed.
9351 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9352 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9353 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9354 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9355 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9356 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9357 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9358 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9359 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9360 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9361 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9362 "*negabs<mode>2", "sqrt<mode>2"):
9363 Changed <de> to <xde>. R constraint replaced by <Rf>.
9364 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9366 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9367 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9368 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9370 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9371 "extenddftf2", "extendsftf2"): New expanders.
9372 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9373 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9374 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9375 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9377 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9378 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9379 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9380 __floatditf): Add a GCC_4.1.0 symbol version tag.
9381 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9384 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9387 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9388 Use targetm.binds_local_p instead of TREE_PUBLIC.
9390 2006-02-02 Roger Sayle <roger@eyesopen.com>
9392 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9393 on INTEGER_TYPEs to indicate that it denotes a character type.
9394 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9395 signed_char_type_node, unsigned_char_type_node and char_type_node.
9396 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9397 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9398 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9400 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9401 Daniel Berlin <dberlin@dberlin.org>
9403 * tree-tailcall.c (arg_needs_copy_p): New function.
9404 (eliminate_tail_call): Use arg_needs_copy_p.
9405 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9406 (add_virtual_phis): New function.
9408 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9410 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9411 #ignore instead of #scratch for %g7 .register directive.
9413 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9415 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9418 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9420 * flow.c (calculate_global_regs_live): Assert that there aren't any
9423 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9425 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9427 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9428 bsi_after_labels iterator.
9429 * tree-if-conv.c (find_phi_replacement_condition,
9430 replace_phi_with_cond_modify_expr): Likewise.
9431 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9432 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9434 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9436 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9438 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9441 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9442 array after growing it.
9444 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9447 * fold-const.c (fold_checksum_tree): Change type of buf.
9449 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9451 * reload.c (push_secondary_reload): Initialize t_icode.
9453 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9455 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9456 -msoft-float -mlong-double-128 only issue a warning, but don't
9457 swich to DFmode long double.
9459 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9461 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9462 has a constant equivalent, iterate over equivalents for arg0,
9463 calling simplify_relational_operation and if there's a result
9464 cheaper than X, apply fold_rtx and return the result.
9466 2006-02-01 Jan Hubicka <jh@suse.cz>
9468 * opts.c (no_unit_at_a_time_default): New global variable.
9469 (decode_options): Use it.
9470 * opts.h (no_unit_at_a_time_default): Declare.
9472 2006-02-01 Paul Brook <paul@codesourcery.com>
9474 * function.c (assign_parm_setup_reg): Use function argument promotion
9476 * expr.c (expand_expr_real_1): Use function argument promotion rules
9479 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9481 * gcc.c (process_command): Change j to 'unsigned int'.
9483 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9486 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9487 Use the corrected index for the character
9488 out of the string constant.
9490 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9492 * mode-switching.c (optimize_mode_switching): Fix size
9493 allocated for bb_info[n_entities].
9495 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9497 * gcc.c (main): Correct type that is allocated for
9498 explicit_link_files.
9500 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9502 * config/s390/s390.c (init_alignment_context): Set
9503 ALIAS_SET_MEMORY_BARRIER on the MEM.
9504 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9506 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9509 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9511 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9514 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9516 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9517 * regrename.c: Ditto.
9518 * tree-ssa-loop-im.c: Ditto.
9519 * tree-dump.c: Ditto.
9520 * tree-complex.c: Ditto.
9521 * genrecog.c: Ditto.
9522 * tree-ssa-threadupdate.c: Ditto.
9524 * java/class.c: Ditto.
9525 * java/jcf-parse.c: Ditto.
9526 * java/resource.c: Ditto.
9527 * java/except.c: Ditto.
9528 * java/jvspec.c: Ditto.
9529 * java/jcf-write.c: Ditto.
9530 * java/jcf-path.c: Ditto.
9531 * java/gjavah.c: Ditto.
9532 * java/zextract.c: Ditto.
9533 * java/jcf-io.c: Ditto.
9534 * java/jcf.h: Ditto.
9535 * java/buffer.c: Ditto.
9536 * java/lang.c: Ditto.
9537 * java/parse-scan.y: Ditto.
9538 * java/lex.c: Ditto.
9539 * java/lex.h: Ditto.
9540 * cfgloopmanip.c: Ditto.
9541 * postreload-gcse.c: Ditto.
9542 * tree-ssa-loop-manip.c: Ditto.
9543 * postreload.c: Ditto.
9544 * tree-ssa-loop-ch.c: Ditto.
9548 * diagnostic.c: Ditto.
9550 * genoutput.c: Ditto.
9552 * cfghooks.c: Ditto.
9553 * cfgloopanal.c: Ditto.
9554 * objc/objc-act.c: Ditto.
9556 * genextract.c: Ditto.
9557 * genautomata.c: Ditto.
9558 * pretty-print.c: Ditto.
9560 * cgraphunit.c: Ditto.
9563 * haifa-sched.c: Ditto.
9564 * dominance.c: Ditto.
9566 * tree-ssa-loop-ivopts.c: Ditto.
9568 * mode-switching.c: Ditto.
9569 * modulo-sched.c: Ditto.
9571 * ipa-pure-const.c: Ditto.
9573 * fix-header.c: Ditto.
9575 * tree-stdarg.c: Ditto.
9576 * ipa-utils.c: Ditto.
9577 * loop-init.c: Ditto.
9578 * ipa-inline.c: Ditto.
9581 * alloc-pool.c: Ditto.
9582 * dwarf2out.c: Ditto.
9584 * genattrtab.c: Ditto.
9585 * tree-ssa-loop-ivcanon.c: Ditto.
9589 * fortran/gfortranspec.c: Ditto.
9591 * local-alloc.c: Ditto.
9592 * langhooks.c: Ditto.
9593 * function.c: Ditto.
9594 * tree-vectorizer.c: Ditto.
9596 * ipa-type-escape.c: Ditto.
9598 * tree-if-conv.c: Ditto.
9601 * tree-data-ref.c: Ditto.
9602 * loop-unroll.c: Ditto.
9603 * treelang/treetree.c: Ditto.
9606 * ggc-common.c: Ditto.
9608 * coverage.c: Ditto.
9610 * tree-cfgcleanup.c: Ditto.
9611 * tree-ssa-pre.c: Ditto.
9612 * cfgcleanup.c: Ditto.
9613 * loop-invariant.c: Ditto.
9615 * ipa-prop.c: Ditto.
9616 * print-tree.c: Ditto.
9617 * conflict.c: Ditto.
9618 * ggc-page.c: Ditto.
9619 * sched-deps.c: Ditto.
9620 * regclass.c: Ditto.
9621 * tree-object-size.c: Ditto.
9623 * bb-reorder.c: Ditto.
9624 * resource.c: Ditto.
9625 * var-tracking.c: Ditto.
9627 * df-problems.c: Ditto.
9628 * reg-stack.c: Ditto.
9631 * sched-rgn.c: Ditto.
9632 * tree-ssa-structalias.c: Ditto.
9633 * tree-ssa-reassoc.c: Ditto.
9634 * config/darwin-c.c: Ditto.
9635 * config/darwin.c: Ditto.
9636 * config/arm/arm.c: Ditto.
9638 * collect2.c: Ditto.
9641 2006-01-31 Nicolas Pitre <nico@cam.org>
9643 * arm.md (smaxsi3): Make aware of smax_m1.
9646 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9648 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9650 2006-01-31 Richard Guenther <rguenther@suse.de>
9652 * doc/invoke.texi (-msselibm): Document.
9653 * target.h (expand_library_builtin): New target hook.
9654 * builtins.c (expand_builtin): Use expand_library_builtin.
9655 (default_expand_library_builtin): New function.
9656 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9657 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9658 (link_gcc_math_spec): Declare.
9659 (static_specs): Add link_gcc_math_spec.
9660 * expr.h (default_expand_library_builtin): Declare.
9661 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9662 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9663 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9664 * config/i386/i386.opt (msselibm): New target option.
9665 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9666 (ix86_init_sse_abi_builtins): New function.
9667 (ix86_expand_library_builtin): Likewise.
9668 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9669 (override_options): Handle error conditions wrt -msselibm.
9670 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9671 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9672 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9675 2006-01-31 Richard Guenther <rguenther@suse.de>
9676 Paolo Bonzini <bonzini@gnu.org>
9678 * doc/install.texi (--disable-libgcc-math): Document.
9680 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9682 * expr.h (expand_normal): new inline function.
9683 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9685 * dwarf2out.c: use it.
9690 * config/sparc/sparc.c: use it.
9691 * config/i386/i386.c: use it.
9692 * config/rs6000/rs6000.c: use it.
9693 * config/arm/arm.c: use it.
9694 * config/mips/mips.c: use it.
9695 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9697 2006-01-30 Roger Sayle <roger@eyesopen.com>
9699 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9700 argv to the appropriate type.
9702 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9704 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9707 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9710 * config/s390/s390.c (struct machine_function): New flag
9711 decomposed_literal_pool_addresses_ok_p.
9712 (s390_reorg): Set it before final stage of literal pool transforms.
9713 (s390_decompose_address): Only accept displacements of the form
9714 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9716 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9718 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9719 the comparison routine return.
9721 2006-01-30 Michael Matz <matz@suse.de>
9723 * global.c (find_reg): Only evict for global regs.
9724 Take n_refs into account and dump more info.
9726 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9729 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9730 (pragma_trap, pragma_nosave_low_regs): Likewise.
9731 (current_function_anonymous_args): Likewise.
9732 (sh_deferred_function_attributes): New variable.
9733 (sh_deferred_function_attributes_tail): Likewise.
9734 (print_operand): For '@', look up trap_exit attribute.
9735 (calc_live_regs): Look up trapa_handler attribute. For trapa
9736 handlers, save/restore fpscr, but don't do any other
9737 interrupt-specific saves.
9738 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9739 Fix check for partially saved registers to check for SHmedia.
9740 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9741 (sh_output_function_epilogue): Don't clear any of the removed
9743 (sh_insert_attributes): Don't check pragma_interrupt.
9744 Insert deferred attributes. Check that interrupt attribute is
9745 present for other attributes that require its presence.
9746 (sh_attribute_table): Add new attributes trapa_handler and
9748 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9749 Don't check for pragma_interrupt. Don't store argument.
9750 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9751 (sh_deferred_function_attributes): Declare.
9752 (sh_deferred_function_attributes_tail): Likewise.
9753 * sh.md (sp_switch_1): Add operand. Change generator caller.
9754 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9755 (*return_i): Don't use when trap_exit attribute is in effect.
9756 (*return_trapa): New insn pattern.
9758 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9759 setting c_target_objs and cxx_target_objs.
9760 * t-sh: Add rule for sh-c.o.
9762 2006-01-30 Richard Guenther <rguenther@suse.de>
9765 * gimplify.c (gimplify_target_expr): Handle easy cases
9766 without creating a temporary.
9768 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9770 * vec.h (safe_grow): Remove duplicated line.
9772 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9775 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9776 (expand_omp): ... here.
9777 (expand_omp_parallel): Only remove barriers for combined
9778 parallel+workshare constructs.
9780 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9784 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9785 * tree.c (build_qualified_type): Chain the new type to the original
9786 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9787 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9788 (build_pointer_type_for_mode): Only return unqualified types.
9789 (build_reference_type_for_mode): Likewise.
9791 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9793 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9794 * Makefile.in (CXX_COMPAT_WARN): Define.
9795 * configure: Regenerate.
9797 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9800 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9803 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9805 * toplev.c: Fix thinko.
9807 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9808 Marcin Dalecki <martin@dalecki.de>
9810 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9811 (push_srcloc): Use XNEW.
9812 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9814 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9816 * df-core.c (df_set_blocks): Deleted all variable.
9818 2006-01-28 Ian Lance Taylor <ian@airs.com>
9820 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9821 cgraph_output_pending_asms.
9823 2006-01-28 Zack Weinberg <zackw@panix.com>
9825 * c.opt: Add -W(no-)overlength-strings.
9826 * doc/invoke.texi: Document it.
9827 * c-opts.c (c_common_handle_option): -pedantic implies
9828 -Woverlength-strings, if not explicitly disabled already.
9829 (c_common_post_options): -Woverlength-strings defaults to off, and
9830 is always off for C++.
9831 * c-common.c (fix_string_type): Issue warning about strings longer
9832 than is portable only if warn_overlength_strings. Rearrange code
9833 a little for clarity.
9834 * configure.in: Check for -Wno-overlength-strings as well before
9835 enabling -pedantic in stage 1.
9836 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9837 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9839 * genconditions.c (write_header, write_one_condition)
9840 (write_conditions, write_writer): Consolidate very long strings
9841 that were broken up to fit in C89 portable limit. Don't use
9842 printf when fputs will do.
9844 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9846 * combine.c (simplify_comparison <AND>): Check
9847 TRULY_NOOP_TRUNCATION before start using a subreg.
9849 * config/mips/mips.md (*branch_zero<mode>,
9850 *branch_zero<mode>_inverted, *branch_equality<mode>,
9851 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9852 Remove mode check from comparisons.
9854 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9856 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9858 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9860 * expmed.c (const_mult_add_overflow_p): Remove.
9861 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9863 * recog.c (validate_replace_rtx_subexp): Remove.
9864 * recog.h: Remove the prototype for
9865 validate_replace_rtx_subexp.
9867 * integrate.h: Remove the prototype for
9868 copy_decl_for_inlining.
9869 * rtl.h: Remove the prototype for mark_constant_function.
9870 * tree-vectorizer.h: Remove the prototype for
9871 vect_strip_conversion.
9873 * modulo-sched.c (create_partial_schedule,
9874 free_partial_schedule, reset_partial_schedule): Make them
9877 * hooks.c (hook_bool_rtx_int_false): Remove.
9878 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9880 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9882 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9883 and -mlong-double-128 are incompatible.
9884 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9885 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9886 (TARGET_LIBGCC2_CFLAGS): Define.
9887 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9888 (TARGET_LIBGCC2_CFLAGS): Same.
9889 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9891 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9894 * c-typeck.c (build_binary_op): Perform implicit casts of
9895 operands before shortening them.
9897 * cfgloopmanip.c (split_loop_bb): Remove.
9898 * cfgloop.h: Remove the prototype for split_loop_bb.
9900 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9901 * cfgloop.h: Remove the prototype for
9902 flow_loop_outside_edge_p.
9904 * emit-rtl.c (init_virtual_regs): Make it static.
9905 * function.h: Remove the prototype for init_virtual_regs.
9907 * recog.c (peephole2_optimize): Make it static.
9908 * recog.h: Remove the prototype for peephole2_optimize.
9910 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9912 * df-scan.c (df_record_entry_block_defs): Check if
9913 INCOMING_RETURN_ADDR_RTX is defined.
9915 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9916 Kenneth Zadeck <zadeck@naturalbridge.com>
9918 PR rtl-optimization/24762
9919 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9920 * targhooks.c (hook_void_bitmap): New hook prototype.
9921 * targhoohs.h (hook_void_bitmap): Ditto.
9922 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9923 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9924 * target.h (live_on_entry): New function pointer.
9925 * df-scan.c (df_all_hard_regs): Removed.
9926 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9927 (df_scan_free_internal): Added df->entry_block_defs.
9928 (df_scan_alloc): Ditto.
9929 (df_scan_dump): Ditto.
9930 (df_uses_record): Plumbed flag field properly thru calls.
9931 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9932 This part fixes PR24762.
9933 (df_bb_refs_record): Added code to make the frame and arg
9934 pointers live in EH blocks.
9935 (df_refs_record): Added call to df_record_entry_block_defs.
9936 (df_record_entry_block_defs): New function.
9937 * df-core.c: Added comments to describe new artifical defs.
9938 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9939 (entry_block_defs): New field in struct df.
9940 (df_all_hard_regs): Deleted.
9941 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9942 * df-problems.c (df_ru_bb_local_compute_process_def):
9943 Added code to handle artifical defs in the entry to a function.
9944 (df_ru_bb_local_compute): Ditto.
9945 (df_rd_bb_local_compute_process_def): Ditto.
9946 (df_rd_bb_local_compute): Ditto.
9947 (df_lr_bb_local_compute): Ditto.
9948 (df_ur_bb_local_compute): Ditto.
9949 (df_urec_bb_local_compute): Ditto.
9950 (df_chain_create_bb): Ditto.
9951 (df_ur_local_finalize): Removed entry.
9952 (df_urec_init): Ditto.
9953 (df_urec_local_finalize): Ditto.
9954 (df_ri_bb_compute): Added detection of last use of pseudos.
9955 * Makefile.in (df-scan.o): Updated dependencies.
9956 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9957 * config/mips/mips.c (mips_set_live_on_entry): Added.
9958 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9960 * dce.c (marked_insn_p): Added code to handle artifical defs.
9962 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9964 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9966 (_mm_cvtsi128_si64): Likewise.
9967 (_mm_cvtsd_si64): Likewise.
9968 (_mm_cvttsd_si64): Likewise.
9969 (_mm_cvtsi64_sd): Likewise.
9970 (_mm_cvtsi64_si128): Likewise.
9971 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9972 (_mm_cvtsi64_m64): Likewise.
9973 (_m_to_int64): Likewise.
9974 (_mm_cvtm64_si64): Likewise.
9975 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9976 (_mm_cvttss_si64): Likewise.
9977 (_mm_cvtsi64_ss): Likewise.
9978 (_mm_cvtss_f32): Likewise.
9980 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9982 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9983 for pragma redefine_extname.
9985 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9988 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9989 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9990 -mno-minimal-toc to previous content.
9991 (bispecs): Remove goal.
9992 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9993 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9994 compatibility aliases on powerpc-*-*gnu*.
9995 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9996 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9997 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9998 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9999 (ldblspecs): New goal.
10000 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10001 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10003 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10004 L_sf_to_tf or L_df_to_tf is defined.
10006 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10007 Alan Modra <amodra@bigpond.net.au>
10010 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10011 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10012 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10013 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10014 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10015 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10016 (rs6000_override_options): Initialize rs6000_ieeequad.
10017 Initialize TFmode format to ibm_extended_format if not
10019 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10021 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10022 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10023 (function_arg_advance): IBM long double passed in two FPRs, not
10025 (function_arg): IBM long double passed in FPRs.
10026 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10027 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10028 Only multireg GPR aligned.
10029 (rs6000_init_libfuncs): Enable IBM long double functions if not
10031 (rs6000_generate_compare): Use IBM long double compare if not
10033 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10034 (TARGET_IEEEQUAD): Define.
10035 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10036 not TARGET_IEEEQUAD.
10037 * config/rs6000/rs6000.md: Enable TFmode patterns if
10039 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10040 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10041 and -mlong-double-128 are incompatible.
10042 * doc/invoke.texi (-mabi): Collect options together. Add
10043 ibmlongdouble and ieeelongdouble.
10045 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10047 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10049 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10050 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10051 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10052 * rtl.h (rtunion_def): Remove rt_ptr.
10054 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10055 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10056 * config/i386/winnt.c (i386_pe_mark_dllexport)
10057 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10059 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10061 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10063 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10067 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10068 pthread_key_delete. From John David Anglin. gthrw-ify
10069 pthread_getunique_np only if it it's not a macro. Delete
10071 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10072 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10073 __gthread_objc_condition_signal, __gthread_key_delete): Add
10074 "__attribute__ ((__unused__))" to unused arguments.
10075 (__gthread_recursive_mutex_init_function): Add missing return.
10076 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10077 gthr-posix95.h: Use macro-based approach for name redirection
10078 on targets missing weakref.
10080 2006-01-26 Zack Weinberg <zackw@panix.com>
10082 * genconditions.c (write_header): In generated code, #ifdef out
10083 all includes and fake declarations, except includes of bconfig.h
10084 and system.h, unless GCC_VERSION >= 3001. Do not include
10085 gensupport.h in any case.
10086 (write_conditions): Generate a definition of struct c_test. Add
10087 a comment to the generated #endif.
10088 (write_one_condition): Escape backslashes in string too.
10089 (write_writer): Generated code must escape backslashes and quote
10090 marks (but not newlines) in the strings it writes.
10091 * Makefile.in (build/gencondmd.o): Update dependencies.
10093 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10096 * Makefile.in (insn-automata.o): Add header file dependencies.
10097 * genautomata.c: Add includes.
10099 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10102 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10104 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10106 * configure.ac: Expect target tools paths to be passed from the toplevel
10107 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10109 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10111 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10114 * c.opt (Wpointer-sign): Init to -1.
10115 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10116 OPT_pedantic, to 0 otherwise.
10117 * doc/invoke.texi: Update.
10119 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10121 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10122 constants provided by 80387 instructions in the destination mode.
10124 2006-01-26 Richard Guenther <rguenther@suse.de>
10125 Andrew Pinski <pinskia@physics.uc.edu>
10128 partial PR tree-opt/17064
10129 * tree-ssa-structalias.c (intra_create_variable_infos):
10130 Create heap variables for incoming parameters if
10131 flag_argument_noalias > 1.
10132 (find_what_p_points_to): Look through default defs of
10135 2006-01-26 Jeff Law <law@redhat.com>
10138 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10139 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10140 within the VR_RANGE, use the VR_RANGE as the result, not the
10142 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10143 bounds for the type.
10145 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10147 * tree-ssa-alias.c (maybe_create_global_var): Change
10148 subvar walking to an assertion that we don't have subvar'd variables.
10150 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10153 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10154 Use a new variable, inner. PARM_DECLs are always non-weak.
10156 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10158 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10159 --disable-checking.
10161 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10163 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10165 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10167 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10168 (smax_insn, smin_insn, smax_0, smin_0): New.
10170 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10173 * config/cris/cris.c (cris_order_for_addsi3): New function.
10174 * config/cris/cris-protos.h: Prototype it.
10175 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10176 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10177 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10178 (split for "op.S1 [rx=rx+i],ry (swapped)")
10179 (split for "op(s|u).S1 [rx=rx+i],ry")
10180 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10181 Apply cris_order_for_addsi3 when generating addsi3 insns.
10183 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10185 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10186 (TREE_BLOCK): Add call to EXPR_CHECK.
10188 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10191 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10192 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10193 (dump_omp_clauses): ... here.
10194 (dump_generic_node): Handle OMP_CLAUSE.
10195 * tree.c (omp_clause_num_ops): New.
10196 (omp_clause_code_name): New.
10197 (tree_code_size): Handle OMP_CLAUSE.
10198 (tree_size): Likewise.
10199 (make_node): Document handling of OMP_CLAUSE.
10200 (tree_node_structure): Handle OMP_CLAUSE.
10201 (omp_clause_check_failed): New.
10202 (omp_clause_range_check_failed): New.
10203 (omp_clause_operand_check_failed): New.
10204 (build_omp_clause): New.
10205 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10206 * tree.h (enum omp_clause_code): Declare.
10207 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10208 (OMP_CLAUSE_RANGE_CHECK): Define.
10209 (OMP_CLAUSE_ELT_CHECK): Define.
10210 (omp_clause_check_failed): Declare.
10211 (omp_clause_operand_check_failed): Declare.
10212 (omp_clause_range_check_failed): Declare.
10213 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10214 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10215 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10216 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10217 (OMP_CLAUSE_IF_EXPR): Likewise.
10218 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10219 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10220 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10221 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10222 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10223 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10224 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10225 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10226 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10227 (OMP_CLAUSE_CODE): Define.
10228 (OMP_CLAUSE_SET_CODE): Define.
10229 (OMP_CLAUSE_CODE): Define.
10230 (OMP_CLAUSE_OPERAND): Define.
10231 (struct tree_omp_clause): Declare.
10232 (union tree_node): Add field 'omp_clause'.
10233 * treestruct.def (TS_OMP_CLAUSE): Define.
10234 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10235 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10236 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10237 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10238 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10239 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10240 (OMP_CLAUSE): Define.
10241 * print-tree.c (print_node): Handle OMP_CLAUSE.
10242 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10243 * c-typeck.c: Likewise.
10244 * gimplify.c: Likewise.
10245 * c-omp.c: Likewise.
10246 * tree-nested.c: Likewise.
10247 * tree-inline.c: Likewise.
10248 * c-parser.c: Likewise.
10249 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10252 2006-01-25 Roger Sayle <roger@eyesopen.com>
10254 PR rtl-optimization/25703
10255 * combine.c (try_combine): Handle zero_extract and strict_low_part
10256 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10258 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10260 * global.c: Fix comment typos.
10262 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10265 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10266 Use output_addr_const instead of assemble_name.
10268 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10270 * Makefile.in (sched-vis.o): Update dependencies.
10271 * haifa-sched.c (sched_finish): Clear current_sched_info.
10272 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10273 (dump_flow_info): Call it.
10274 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10276 * basic-block.h (dump_bb_info): Declare.
10277 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10278 option, and apply options only for dump files whose TDF_RTL,
10279 TDF_TREE, or TDF_IPA bits match.
10280 * rtl.h: Declare new functions exported from sched-vis.c.
10281 * sched-vis.c: Enable also if scheduling is not used.
10282 (print_value): Print the mode of registers if not inside scheduling.
10283 (print_insn): Make it work outside the scheduler. Beautify the output
10285 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10287 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10289 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10290 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10291 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10292 depending on the value of CONSTANT_POOL_ADDRESS_P.
10293 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10295 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10296 rather than SYMBOL_REF_DECL.
10297 (rtx_constant_pool): Remove const_rtx_sym_htab.
10298 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10299 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10300 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10301 Remove handling of const_rtx_sym_htab.
10302 (find_pool_constant): Delete.
10303 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10304 rather than find_pool_constant.
10305 (get_pool_constant_for_function): Delete.
10306 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10307 find_pool_constant.
10308 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10309 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10310 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10311 (SYMBOL_REF_CONSTANT): New macro.
10312 (get_pool_constant_for_function): Delete.
10313 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10314 rather than SYMBOL_REF_DECL.
10315 (i386_pe_mark_dllimport): Likewise.
10316 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10317 rather than SYMBOL_REF_DECL.
10318 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10319 (machopic_indirect_call_target): Likewise.
10321 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10323 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10325 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10327 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10329 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10331 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10333 2006-01-24 David Daney <ddaney@avtrex.com>
10336 * configure.ac (enable_tls): New enable option.
10337 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10338 * configure: Regenerate.
10339 * doc/install.texi (--enable-tls): Document new option.
10340 (--disable-tls): Ditto.
10342 2006-01-24 Richard Henderson <rth@redehat.com>
10344 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10345 * alias.c (true_dependence): Respect it.
10346 (canon_true_dependence, write_dependence_p): Likewise.
10347 * builtins.c (get_builtin_sync_mem): Set it.
10349 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10351 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10354 2006-01-24 DJ Delorie <dj@redhat.com>
10356 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10357 for storing constants in single-bit bitfields.
10359 2006-01-25 Ben Elliston <bje@au.ibm.com>
10361 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10363 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10366 * tree-ssa-pre.c (phi_translate): Return NULL
10367 for AGGREGATE_TYPE's.
10369 2006-01-24 Zack Weinberg <zackw@panix.com>
10371 * genautomata.c (process_state_for_insn_equiv_partition):
10372 Use xcalloc for insn_arcs_array.
10373 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10374 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10376 2006-01-24 Richard Henderson <rth@redhat.com>
10378 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10379 update all callers.
10381 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10383 PR rtl-optimization/25890
10384 PR rtl-optimization/25905
10385 * combine.c (expand_compound_operation, expand_field_assignment):
10386 Fail if the bitfield's final position is out of bounds.
10388 2006-01-24 Ian Lance Taylor <ian@airs.com>
10390 PR middle-end/25930
10391 * cgraphunit.c (cgraph_output_in_order): Don't clear
10392 cgraph_asm_nodes until after asm strings have been output.
10394 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10396 * fix-header.c (read_scan_file): Add new parameter imultilib when
10397 calling register_include_chains.
10399 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10401 * omp-low.c: Update documentation.
10403 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10404 Daniel Berlin <dberlin@dberlin.org>
10408 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10409 return from the function.
10411 2006-01-22 Zack Weinberg <zackw@panix.com>
10413 * rtl.def (match_code): Add second argument.
10414 * genpreds.c (write_extract_subexp): New function.
10415 (write_match_code): Add path argument. Use write_extract_subexp.
10416 (write_predicate_expr): Pass path to write_match_code.
10417 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10418 not perform a mode test.
10419 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10420 a subexpression does not constrain the top-level code set.
10421 * read-rtl.c (read_rtx_variadic): New function.
10422 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10423 * doc/md.texi: Document new notation.
10424 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10425 (cmpsi_operand): ... here, using new notation.
10427 2006-01-22 Zack Weinberg <zackw@panix.com>
10429 * varray.c: Remove GENERATOR_FILE #ifdefs.
10431 2006-01-22 Zack Weinberg <zackw@panix.com>
10433 * genautomata.c (output_reserved_units_table): Emit nothing if
10434 description->query_units_num is zero. Remove extra blank line.
10435 (output_cpu_unit_reservation_p): Short circuit
10436 if description->query_units_num is zero.
10438 2006-01-22 Zack Weinberg <zackw@panix.com>
10440 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10441 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10442 nor any of the random handful of variables that used to be necessary
10443 when this program was linked with rtlanal.o. Prune set of forward
10444 function declarations.
10445 (struct attr_desc): Remove static_p field.
10446 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10447 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10448 (attr_string): Do not read the character one past the length of
10450 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10451 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10452 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10453 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10454 (make_automaton_attrs): New.
10455 (main): Do not call into genautomata. Call local gen_bypass
10456 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10457 Remove special case for insn_alts.
10458 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10459 varray.h (leftover from previous change). Prune set of forward
10460 function declarations. Remove state_alts fields from all
10461 structures. Remove state_alts_table from struct automaton.
10462 Make everything except main static. Do not maintain num_dfa_decls.
10463 Do not maintain state_alts fields of various structures.
10464 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10465 (add_arc): Remove state_alts argument. All callers updated.
10466 (output_reserved_units_table): Emit #ifdef here...
10467 (output_tables): ...not here. Don't generate state_alts tables.
10468 (expand_automata): Don't generate attributes.
10469 (write_automata): Don't generate state_alts functions.
10470 (main): New function.
10471 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10472 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10473 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10474 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10475 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10476 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10477 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10478 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10480 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10481 * genattrtab.h: Delete file.
10482 * Makefile.in (OBJS-common): Add insn-automata.o.
10483 (insn-automata.o): New rule.
10484 (simple_generated_c): Add insn-automata.c.
10485 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10486 (genprogmd): Add automata.
10487 (build/genattrtab): Needs no extra objects nor libraries.
10488 (build/genautomata): Needs build/vec.o and -lm.
10490 2006-01-22 Zack Weinberg <zackw@panix.com>
10492 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10493 (output_dfa_max_issue_rate, locked_states_num): Delete.
10494 (struct automaton): Add locked_states field.
10495 (output_dead_lock_vect): Save number of locked states in
10496 automaton->locked_states. If it is zero, don't print anything.
10497 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10498 (output_internal_dead_lock_func): Only test the dead_lock_vect
10499 for automata that have locked states.
10500 (output_statistics): Always print the number of locked states for
10501 each automaton. Calculate total number of locked states here.
10502 (write_automata): Don't call output_dfa_max_issue_rate.
10503 * genattrtab.c: Define length_unit_log as a const variable.
10504 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10505 max_insn_queue_index const.
10506 * final.c (length_unit_log): Declare const.
10507 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10509 2006-01-22 Zack Weinberg <zackw@panix.com>
10511 * genautomata.c: Include vec.h, not varray.h.
10512 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10513 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10514 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10515 VEC_* macros operating on appropriately typed vectors, or to
10516 malloced arrays when the size is known in advance. Const-ify
10517 many char* variables and function arguments. No functional changes.
10518 * Makefile.in (build/varray.o): Delete rule.
10519 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10520 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10522 2006-01-22 Zack Weinberg <zackw@panix.com>
10524 * gensupport.c: Define get_insn_name and record_insn_name here.
10525 (read_md_rtx): Call record_insn_name as appropriate.
10526 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10527 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10528 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10530 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10531 (BUILD_VARRAY): Delete.
10532 (genprognormal): Rename genprogmd. Fold in all programs from
10533 genprognoprint; also attrtab.
10534 (build/genattrtab): Just mention genautomata.o and varray.o.
10535 Reorganize a bit, add comments to make the categories clearer.
10537 2006-01-22 Zack Weinberg <zackw@panix.com>
10539 * genconditions.c (condition_table, add_condition): Delete.
10540 (write_conditions): Don't emit n_insn_conditions nor
10541 insn_elision_unavailable. Issue the gcc version #ifdef here,
10542 inside the table, with no #else clause ...
10543 (write_header): ...not here.
10544 (write_writer): New function.
10545 (main): Don't initialize condition_table. Use add_c_test.
10547 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10548 files on the command line.
10549 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10550 Return -1 if there is no entry in the table, don't abort.
10551 (add_c_test, traverse_c_tests): New functions.
10552 * gensupport.h (insn_elision_unavailable, insn_conditions)
10553 (n_insn_conditions): Delete declarations.
10554 (add_c_test, traverse_c_tests): Declare.
10555 * read-rtl.c: Include gensupport.h.
10556 (read_conditions): New function.
10557 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10558 (read_rtx_1): If we get EOF when we were looking for an initial
10559 open paren, return 0. Call read_conditions when appropriate.
10560 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10561 dummy-conditions.o. Eliminate references to insn-conditions.o,
10562 or change them to build/gencondmd.o, as appropriate. Remove
10563 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10564 from $(simple_generated_c). For all files remaining in those
10565 two lists, add insn-conditions.md to the generator command line.
10566 Give insn-constants.h/s-constants their own rules. Add rules
10567 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10568 (build/read-rtl.o): Depend on gensupport.h.
10569 (genprognormal): Include preds.
10570 (genprogearly): Rename genprognoprint; only difference is now that
10571 they don't link with $(BUILD_PRINT).
10572 * dummy-conditions.c: Delete.
10574 2006-01-22 Zack Weinberg <zackw@panix.com>
10576 * genextract.c: Don't include insn-config.h. Do include vec.h.
10577 Declare vectors of int, char, and locstr.
10578 (locstr): New typedef.
10579 (struct extraction): Make all array fields into bare pointers.
10580 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10581 (insn_code_number): Delete.
10582 (accum_extract): New struct.
10583 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10584 (gen_insn): Take insn_code_number as an argument. Use an
10585 accum_extract structure instead of loading data directly into
10586 a struct extraction, and having to know how big it might get.
10587 (walk_rtx): Operate entirely on an accum_extract structure.
10588 (print_path): Avoid unnecessary use of printf.
10589 (print_header): New function, split out of main. Distinguish
10590 more carefully between an unrecognizable insn and an insn that
10591 has the code number of a define_expand.
10592 (main): Pass insn_code_number to gen_insn. Call print_header
10593 only after parsing. Avoid unnecessary use of printf.
10594 * Makefile.in (build/vec.o): New rule.
10595 (build/genextract): Depend on build/vec.o.
10596 (build/genextract.o): Don't depend on insn-config.h.
10598 2006-01-22 Zack Weinberg <zackw@panix.com>
10600 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10601 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10602 practical. Eliminate per-generator-program link rules.
10604 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10606 PR middle-end/24437
10607 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10608 with a call expr to ...
10609 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10611 2006-01-23 Richard Guenther <rguenther@suse.de>
10613 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10614 before make_edge with conditional EDGE_TRUE_VALUE.
10616 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10617 Jan Hubicka <jh@suse.cz>
10618 Richard Guenther <rguenther@suse.de>
10620 PR rtl-optimization/25654
10621 * cfgexpand.c (aggregate_contains_union_type): New function.
10622 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10623 for structure variables that contain a union type.
10625 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10627 * gengtype.c (new_structure): Return the structure.
10628 (create_option): Add an extra "next" argument.
10629 (create_field): New function.
10630 (adjust_field_rtx_def): Use create_option and create_field.
10631 Remove a now-unnecessary call to find_structure.
10632 (adjust_field_tree_def): Likewise.
10633 (note_yacc_type): Remove an unnecessary call to find_structure.
10634 * gengtype.h (new_structure): Return the structure.
10635 (create_option): Add an extra argument.
10636 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10637 (option): Adjust calls to create_option.
10639 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10641 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10643 2006-01-22 Paul Brook <paul@codesourcery.com>
10644 Peter Barada <peter@the-baradas.com>
10646 * config/m68k/m68k.md: Add Coldfire FPU support.
10647 Define FP mode macro and associated attributes.
10648 Use it for float mode patterns.
10649 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10650 (LIBCALL_VALUE): Use m68k_libcall_value.
10651 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10652 (m68k_function_value): Ditto.
10653 (emit_move_sequence): Ditto.
10654 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10655 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10656 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10657 (MULTILIB_EXCEPTIONS): Ditto.
10658 * config/m68k/m68k.opt: Add mcfv4e.
10659 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10660 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10661 (m68k_output_function_prologue): Save ColdFire FPU registers.
10662 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10663 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10664 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10665 ColdFire FPU registers.
10666 (m68k_libcall_value, m68k_function_value): New functions.
10667 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10668 (LIBCALL_VALUE): Use m68k_libcall_value.
10669 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10670 (MASK_COLDFIRE): Add MASK_CFV4E.
10671 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10672 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10673 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10674 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10675 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10676 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10677 * doc/invoke.tex: Document -mcfv4e on m68k.
10679 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10681 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10684 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10687 * c-opts.c (c_common_handle_option): Don't include
10688 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10689 * doc/invoke.texi (C++ Dialect Options): Document that
10690 -Wnon-virtual-dtor is no longer included in -Wall.
10692 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10694 * gcov.c (print_version), gcov-dump.c (print_version),
10695 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10698 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10700 * df-scan.c (problem_SCAN): Added NULL reset function.
10701 (df_scan_reset_blocks): Added code to call reset block function
10702 (df_bb_refs_delete) Fixed comment.
10703 (df_insn_refs_delete): Made tolerant of deleting non existent info
10704 for dataflow problems that need to be reset.
10705 * df-core.c (df_set_blocks): Ditto.
10706 * df.h (struct df_problem): Added reset_fun.
10707 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10708 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10709 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10710 functions to clear out all references to def-use or use-def chains.
10712 2006-01-21 Ben Elliston <bje@au.ibm.com>
10714 * varasm.c (assemble_real): Initialise data array.
10716 2006-01-20 Paul Brook <paul@codesourcery.com>
10718 Merge from csl-arm-branch.
10719 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10720 * config/arm/arm.md (movdi): Force operands[1] to a register
10721 if we have a non-register source.
10722 (*arm_movdi, *movdf_soft_insn): Require that one of the
10723 operands be a register.
10724 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10725 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10727 2006-01-20 DJ Delorie <dj@redhat.com>
10729 * varasm.c (initializer_constant_valid_p): Allow pointers
10730 initialized from integer constants of lesser precision.
10731 (output_constant): Allow non-int-sized pointer modes to be
10732 initialized from integer constants.
10734 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10737 * cppdefault.h (struct default_include): Add multilib flag.
10738 * cppdefault.c (cpp_include_defaults): Set it.
10739 * c.opt (-imultilib): New option.
10740 * c-opts.c (imultilib): New.
10741 (c_common_handle_option): Handle -imultilib.
10742 (c_common_post_options): Likewise.
10743 * c-incpath.c (add_standard_paths, register_include_chains):
10745 * c-incpath.h (register_include_chains): Add extra parameter.
10746 * gcc.c (do_spec_1): Generate -imultilib option.
10747 (The Specs Language): Update %I description.
10748 (process_command): Update copyright notice.
10749 * doc/cppopts.texi (-imultilib): Document.
10750 * doc/invoke.texi (-imultilib): Include in option summary.
10751 (%I): Update specs documentation.
10753 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10755 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10757 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10759 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10762 2006-01-20 Richard Guenther <rguenther@suse.de>
10763 Steven Bosscher <stevenb.gcc@gmail.com>
10765 PR rtl-optimization/24626
10766 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10767 EDGE_TRUE_VALUE if in RTL mode.
10770 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10771 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10773 2006-01-20 Dirk Mueller <dmueller@suse.com>
10776 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10777 instead of a special NOP marker.
10778 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10779 NOP marker handling.
10780 * c-common.h (empty_body_warning): Add forward declaration.
10781 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10782 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10784 2006-01-20 Paul Brook <paul@codesourcery.com>
10786 * Makefile.in (lang_checks): Keep going if mkdir fails.
10788 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10790 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10791 be able to clean out basic block when not necessary.
10792 (df_scan_free): Fixed to properly delete information if df is
10793 unused before calling df_finish.
10794 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10795 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10797 (df_bb_refs_delete): New function.
10798 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10799 * df-core.c (df_set_blocks): Added code to properly clean out
10800 unused blocks if they are not part of the blocks to consider.
10801 Added additional null check.
10802 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10803 be able to clean out basic block when not necessary
10804 * df.h (df_free_bb_function): Ditto.
10805 (df_bb_refs_delete): New function.
10806 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10807 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10808 basic block parameter to be able to clean out basic block when not
10810 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10811 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10812 Fixed to properly delete information if df is unused before
10815 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10817 PR rtl-optimization/25799
10818 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10819 Corrected confluence operator to remove bits from op2 before oring
10820 with op1 rather than removing bits from op1.
10821 (df_ru_transfer_function): Corrected test on wrong bitmap which
10822 caused infinite loop. Both of these problems were introduced in
10823 the dataflow rewrite.
10825 2006-01-19 DJ Delorie <dj@redhat.com>
10827 * reload1.c (find_reload_regs): Note the details of reload
10828 failures in the dump file.
10829 (spill_failure): Likewise.
10831 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10833 * loop-iv.c: Include df.h and hashtab.h.
10834 (enum iv_grd_result): New enum.
10835 (DF_REF_IV, DF_REF_IV_SET): New macros.
10836 (struct biv_entry): New.
10837 (df, bivs): New global variables.
10838 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10839 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10841 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10842 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10843 analyzed_for_bivness_p, record_biv): New functions.
10844 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10845 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10846 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10848 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10850 (iv_number_of_iterations): Use new interface to iv analysis.
10851 * loop-unroll.c: Do not include varray.h.
10852 (analyze_iv_to_split_insn): Use new interface to iv
10854 * loop-unswitch.c (may_unswitch_on): Ditto.
10855 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10857 (df_bb_modify): Realloc tables to the new index.
10858 (df_find_use): New function.
10859 * df.h (df_find_use): Declare.
10860 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10862 * cfgloop.h (struct rtx_iv): Remove analysed field.
10863 (iv_get_reaching_def): Removed.
10864 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10865 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10866 (loop-iv.o): Add df.h and hashtab.h dependency.
10867 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10869 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10872 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10874 (__floatundisf, __floatundidf): Likewise.
10875 * libgcc2.h (IS_IBM_EXTENDED): Define.
10877 2006-01-19 DJ Delorie <dj@redhat.com>
10879 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10881 2006-01-19 Paul Brook <paul@codesourcery.com>
10883 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10884 as nothrow when unwinding tables are disabled.
10886 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10889 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10890 of bit-field" when in system header.
10892 2006-01-19 DJ Delorie <dj@redhat.com>
10894 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10895 the 16 bit shift limit of the m16c.
10897 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10900 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10901 * config/i386/i386.c (output_set_got): Output the label if we have one
10902 for the TARGET_DEEP_BRANCH_PREDICTION case.
10904 2006-01-19 Jan Hubicka <jh@suse.cz>
10905 H.J. Lu <hongjiu.lu@intel.com>
10906 Evandro Menezes <evandro.menezes@amd.com>
10908 * invoke.texi (generic): Document
10910 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10911 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10912 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10913 (x86_use_incdec, x86_pad_returns): New variables
10914 (TARGET_CPU_DEFAULT_generic): New constant
10915 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10916 (enum processor_type): Add generic32 and generic64.
10917 * i386.md (cpu attribute): Add generic32/generic64
10918 (movhi splitter): Behave sanely when both partial_reg_dependency and
10919 partial_reg_stall are set.
10920 (K8 splitters): Enable for generic as well.
10921 * predicates.md (incdec_operand): Use TARGET_INCDEC
10922 (aligned_operand): Avoid memory mismatch stalls.
10923 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10924 * ppro.md: Enable for generic32
10925 * i386.c (generic64_cost, generic32_cost): New.
10926 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10927 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10928 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10929 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10930 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10931 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10932 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10933 x86_accumulate_outgoing_args, x86_prologue_using_move,
10934 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10935 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10936 Enable for generic.
10937 (x86_use_incdec, x86_pad_returns): New.
10938 (override_options): Add generic32 and generic64, translate "generic"
10939 to generic32/generic64 and "i686" to "generic32", refuse
10940 "generic32"/"generic64" as arch target.
10941 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10942 (ix86_reorg): Honor PAD_RETURNS.
10944 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10946 * tree-pretty-print.c (dump_generic_node): Handle
10947 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10948 * cgraph.c (cgraph_expand_queue): Rename from
10949 cgraph_analyze_queue. Update all users.
10950 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10951 cgraph_expand_queue.
10952 (cgraph_expand_all_functions): Likewise.
10953 (cgraph_finalize_pending_functions): Remove. Update callers.
10955 * tree.h (OMP_DIRECTIVE_P): Define.
10956 (OMP_PARALLEL_FN): Define.
10957 (OMP_PARALLEL_DATA_ARG): Define.
10958 (OMP_SECTIONS_SECTIONS): Define.
10959 * tree-pass.h (pass_expand_omp): Declare.
10960 * omp-low.c (struct omp_region): Declare.
10961 (struct omp_context): Remove fields 'parallel_type',
10962 'parallel_start_ix' and 'parallel_start_additional_args'.
10964 (struct omp_for_data): Rename from struct expand_omp_for_data.
10965 (omp_regions): New static variable.
10966 (root_omp_region): New static variable.
10967 (find_omp_clause): Make static.
10968 (is_in_combined_parallel_ctx): Remove.
10969 (is_combined_parallel): New.
10970 (extract_omp_for_data): Move earlier in the file.
10971 (workshare_safe_to_combine_p): New.
10972 (get_ws_args_for): New.
10973 (determine_parallel_type): Move earlier in the file.
10974 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10976 (omp_copy_decl): Likewise.
10977 (create_omp_child_function): Likewise.
10978 (lookup_omp_region): New.
10979 (dump_omp_region): New.
10980 (debug_omp_region): New.
10981 (debug_all_omp_regions): New.
10982 (new_omp_region): New.
10983 (scan_omp_parallel): If parallel_nesting_level > 1, the
10984 directive is nested within another parallel directive.
10985 Set OMP_PARALLEL_FN.
10986 (scan_omp_for): Do not try to handle combined parallel+for
10988 Remove FIXME comment.
10989 (scan_omp_nested): Remove.
10990 (scan_omp_1): Do not call scan_omp_nested when
10991 parallel_nesting_level is > 1.
10992 Do not change the DECL_CONTEXT of local variables found.
10993 (lookup_decl_in_outer_ctx): New.
10994 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10995 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10996 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10997 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10998 If CTX is nested, lookup VAR in the outer context when
10999 building copy assignment.
11000 (lower_send_clauses): Rename from expand_send_clauses.
11001 If CTX is nested, lookup VAR in the outer context when
11002 building copy assignments.
11003 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11004 If CTX is nested, lookup VAR in the outer context when
11005 building copy assignments.
11006 (expand_parallel_call): Rename from build_parallel_call.
11007 Handle combined parallel+workshare cases.
11008 Re-implement to emit code into the CFG.
11010 (expand_omp_parallel): Re-implement to emit code into the CFG.
11011 Call move_sese_region_to_fn to outline the sub-graph
11012 containing the parallel region.
11013 (expand_omp_for_1): Remove.
11014 (expand_omp_for_generic): Re-implement to emit code into the
11016 (expand_omp_for_static_nochunk): Likewise.
11017 (expand_omp_for_static_chunk): Likewise.
11018 (expand_omp_for): Likewise.
11019 (expand_omp_sections): Likewise.
11020 (remove_exit_barriers): New.
11021 (expand_omp_synch): New.
11023 (build_omp_regions_1): New.
11024 (build_omp_regions): New.
11025 (execute_expand_omp): New.
11026 (gate_expand_omp): New.
11027 (pass_expand_omp): Define.
11028 (lower_omp_sections): Rename from expand_omp_sections.
11029 Set OMP_SECTIONS_SECTIONS.
11030 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11031 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11032 (lower_omp_single): Rename from expand_omp_simple.
11033 (lower_omp_master): Rename from expand_omp_master.
11034 (lower_omp_ordered): Rename from expand_omp_ordered.
11035 (lower_omp_critical): Rename from expand_omp_critical.
11036 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11037 (lower_omp_for): Re-implement.
11038 (lower_omp_parallel): Re-implement.
11039 (lower_regimplify): Rename from expand_regimplify.
11040 (lower_omp_1): Rename from expand_omp_1.
11041 If there are syntax errors in the program, replace every
11042 OpenMP directive with NOP.
11043 Call lower_omp_* instead of expand_omp_*.
11044 (lower_omp): Rename from expand_omp.
11046 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11047 * tree-gimple.h (enum omp_parallel_type): Remove.
11048 (gimple_boolify): Declare extern.
11049 (find_omp_clause, determine_parallel_type): Remove.
11051 * gimple-low.c (lower_omp_directive): New.
11052 (lower_stmt): Call it.
11053 (record_vars_into): Move from ...
11054 (record_vars): ... here.
11055 Call record_vars_into with current_function_decl.
11057 * gimplify.c (struct gimplify_ctx): Remove fields
11058 combined_pre_p and combined_ctxp. Update users.
11059 (get_formal_tmp_var): Add documentation.
11060 (gimple_boolify): Make extern.
11061 (gimplify_expr_in_ctx): Remove. Update callers.
11062 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11063 will always be a BIND_EXPR.
11064 (gimplify_expr): Handle OMP_RETURN_EXPR.
11065 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11066 (OMP_PARALLEL): Add 3 operands.
11067 (OMP_SECTIONS): Add 1 operand.
11068 (OMP_RETURN_EXPR): Define.
11070 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11071 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11072 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11073 creating a circular free list.
11074 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11076 * tree-flow.h (move_sese_region_to_fn): Declare.
11077 (record_vars_into): Declare.
11078 * tree-cfg.c (make_omp_sections_edges): New.
11079 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11080 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11081 OMP_SECTIONS and OMP_SECTION.
11082 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11083 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11084 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11085 (gather_blocks_in_sese_region): New.
11086 (struct move_stmt_d): Declare.
11087 (move_stmt_r): New.
11088 (move_block_to_fn): New.
11089 (move_sese_region_to_fn): New.
11091 * passes.c (init_optimization_passes): Schedule
11092 pass_expand_omp after pass_init_datastructures.
11094 * tree-ssa-operands.c (get_expr_operands): Handle
11095 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11096 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11098 2006-01-19 Jeff Law <law@redhat.com>
11100 * tree-vrp.c (extract_range_from_assert): Refine the result range
11101 if the variable referenced by the ASSERT_EXPR has a range and
11102 either the tentative result range or the previous range is a
11105 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11107 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11109 2006-01-19 Jan Hubicka <jh@suse.cz>
11111 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11113 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11115 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11116 (expand_compound_operation, expand_field_assignment): Fail if the
11117 bit lengths of an extract operation are out of range.
11118 (make_extraction): Compute wanted_inner_mode based on the position
11119 and length of the extraction. Make it extraction_mode for non-constant
11120 positions, and do not modify offset in that case. When generating a
11121 new MEM, use a mode that can hold the extraction while keeping correct
11122 alignment. Remove code that supported MEMs wrapped by USEs.
11123 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11125 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11127 * config/s390/s390.md ("Y", "y"): New mode attribute.
11128 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11129 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11130 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11131 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11132 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11133 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11134 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11135 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11136 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11137 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11138 "addsi3", "subsi3"): Insn patterns removed.
11139 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11140 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11141 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11142 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11143 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11144 "*sub<mode>3_cconly2"): New insn patterns.
11145 ("addsi3", "subsi3"): New expanders.
11147 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11149 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11150 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11151 existing STMT_VINFO_VECTYPE if available.
11152 (vect_mark_relevant): Add special handling for stmts that are
11153 marked as STMT_VINFO_IN_PATTERN_P.
11154 (vect_analyze_loop): Call vect_pattern_recog.
11155 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11156 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11158 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11159 (vect_recog_func_ptr): New function-pointer type.
11160 * tree-vect-patterns.c: New file.
11161 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11162 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11163 (vect_pattern_recog_1): New functions.
11164 (vect_pattern_recog_funcs): New array of function pointers.
11166 * tree-vectorizer.h (ternary_op): New enum value.
11167 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11168 declaration. Revised documentation. Removed redundant dump prints.
11169 Removed redundant argument. Added support for reduction patterns.
11170 (vectorizable_reduction): Added support for reduction patterns.
11171 (vect_transform_stmt): Added support for patterns.
11173 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11174 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11175 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11176 (expand_widen_pattern_expr): New function.
11177 (init_optabs): Initialize new optabs udot_prod_optab,
11179 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11180 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11181 (expand_widen_pattern_expr): New function declaration.
11182 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11184 * tree-inline.c (estimate_num_insns_1): Added cases for new
11185 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11186 * tree-pretty-print.c (dump_generic_node): Likewise.
11187 (op_prio): Likewise.
11188 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11189 * tree-ssa-operands.c (get_expr_operands): Added case for
11191 * tree-vect-patterns.c (widened_name_p): New function.
11192 (vect_recog_dot_prod_pattern): Added function implementation.
11193 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11194 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11195 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11196 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11198 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11199 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11200 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11201 (init_optabs): Initialize new optabs widen_ssum_optab,
11203 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11204 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11205 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11206 use instead of type of def.
11207 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11208 function implementation.
11209 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11210 widen_ssumv8hi): New.
11212 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11215 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11218 * c-decl.c (add_flexible_array_elts_to_size): New function.
11219 (finish_decl): Use it.
11221 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11223 * diagnostic.h: Include options.h.
11224 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11225 dependancies for diagnostic.h.
11226 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11228 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11230 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11231 (ssa_ro_call_cache_valid): Ditto.
11232 * tree-ssa-alias.c (sort_tags_by_id): New function.
11233 (init_transitive_clobber_worklist): Ditto.
11234 (add_to_worklist): Ditto.
11235 (mark_aliases_call_clobbered): Ditto.
11236 (compute_tag_properties): Ditto.
11237 (set_initial_properties): Ditto.
11238 (compute_call_clobbered): Ditto.
11239 (compute_may_aliases): Call compute_call_clobbered and grouping.
11240 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11241 (compute_flow_insensitive_aliasing): Grouping now happens in our
11243 (setup_pointers_and_addressables): Remove clobbering related code.
11244 (add_may_alias): Ditto.
11245 (replace_may_alias): Ditto.
11246 (get_nmt_for): Ditto.
11247 (create_global_var):
11248 (is_escape_site): Return an escape_type enumeration.
11249 * tree-flow-inline.h (is_call_clobbered): Global var does not
11250 imply call clobbered.
11251 (mark_call_clobbered): Take a reason for marking this. Remove
11252 marking of globalness, and cache invalidation.
11253 (clear_call_clobbered): Remove cache invalidation code.
11254 * tree-dfa.c (dump_variable): If details is on, dump the reason
11256 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11258 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11259 (struct var_ann_d): Ditto.
11260 (enum escape_type): New.
11261 (mark_call_clobbered): Adjust prototype.
11262 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11263 are never call clobbered.
11264 Record reasons for escaping.
11265 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11266 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11267 (ssa_ro_call_cache_valid): Ditto.
11268 (clobbered_v_may_defs): Ditto.
11269 (clobbered_vuses): Ditto.
11270 (ro_call_vuses): Ditto.
11271 (clobber_stats): New.
11272 (init_ssa_operands): Zero out clobber stats.
11273 (fini_ssa_operands): Print out clobber stats.
11274 (get_call_expr_operands): Pass callee fndecl to
11275 add_call_read_ops).
11276 (add_call_clobber_ops): Remove use of cache.
11277 Add use of PURE_CONST information.
11278 (add_call_read_ops): Remove use of cache.
11279 Add use of static not_read information.
11281 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11283 Introduce TLS descriptors for i386 and x86_64.
11284 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11285 (TARGET_ANY_GNU_TLS): New macro.
11286 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11287 (struct machine_function): Add tls_descriptor_call_expanded_p.
11288 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11289 (ix86_current_function_calls_tls_descriptor): Likewise.
11290 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11291 (override_options): Introduce gnu2 tls dialect.
11292 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11294 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11296 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11297 (ix86_init_machine_status): Initialize new field.
11298 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11299 (ix86_tls_module_base): New.
11300 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11301 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11302 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11303 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11304 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11305 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11306 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11307 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11308 * config/i386/predicates.md (tls_modbase_operand): New.
11309 (tp_or_register_operand): New.
11311 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11313 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11314 (look_for_address_of): Ditto.
11315 (ipa_init): Walk the function decls.
11316 (static_execute): Don't set readonly on FUNCTION_DECL's.
11318 2006-01-18 Roger Sayle <roger@eyesopen.com>
11320 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11321 for shifts where the source and destination registers are different.
11323 2006-01-18 Paul Brook <paul@codesourcery.com>
11325 Merge from csl-arm-branch.
11326 2005-03-14 Julian Brown <julian@codesourcery.com>
11327 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11328 (aeabi_llsl): Likewise.
11329 (ashrdi3): Likewise.
11330 (aeabi_lasr): Likewise.
11331 (lshrdi3): Likewise.
11332 (aeabi_llsr): Likewise.
11333 2005-03-10 Julian Brown <julian@codesourcery.com>
11334 * config.gcc: Disable shared libgcc for SymbianOS.
11335 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11337 2006-01-18 DJ Delorie <dj@redhat.com>
11339 * c-pragma.c (handle_pragma_diagnostic): New.
11340 (init_pragma): Register it.
11341 * doc/extend.texi: Document it.
11343 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11344 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11345 (diagnostic_context): Add classify_diagnostic[].
11346 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11347 as errors if they're overridden to DK_WARNING.
11348 (diagnostic_initialize): Initialize classify_diagnostic[].
11349 (diagnostic_set_kind_override): New.
11350 (diagnostic_report_diagnostic): Check for kind changes.
11351 * opts.c (common_handle_option): Take lang_mask. Update callers.
11352 Handle OPT_Werror_.
11353 * common.opt (Werror=): New.
11354 * doc/invoke.texi: Document -Werror=*
11356 2006-01-18 Jeff Law <law@redhat.com>
11358 * tree-vrp.c (test_for_singularity): Correct test for new
11359 min limit. Use operand_equal_p rather than pointer equality
11360 for testing if new min/max values are equal.
11362 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11363 using range information until after propagation and folding.
11365 2006-01-18 Richard Henderson <rth@redhat.com>
11366 Aldy Hernandez <aldyh@redhat.com>
11367 Jakub Jelinek <jakub@redhat.com>
11368 Diego Novillo <dnovillo@redhat.com>
11370 * omp-low.c: New file.
11371 * c-omp.c: New file.
11373 2006-01-18 Richard Henderson <rth@redhat.com>
11374 Jakub Jelinek <jakub@redhat.com>
11375 Diego Novillo <dnovillo@redhat.com>
11377 * doc/invoke.texi: Document -fopenmp.
11378 * tree-dump.h (debug_function): Declare.
11379 * hooks.c (hook_bool_tree_bool_false): New function.
11380 (hook_tree_tree_null): Remove.
11381 (hook_tree_tree_tree_null): New.
11382 * hooks.h: Update to match.
11383 * tree-pretty-print.c (debug_tree_chain): New.
11384 (print_generic_expr): Handle TDF_CHAIN.
11385 (dump_generic_node): Handle BLOCK.
11386 Do not abort with incomplete SWITCH_EXPRs.
11387 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11388 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11389 print space after directive name.
11390 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11391 Handle OMP_MASTER and OMP_ORDERED.
11392 Handle printing of OMP_BODY just in one place, goto
11393 dump_omp_body in the rest of OMP_* nodes that have
11395 Don't handle clause nodes here. Update omp statements to
11396 use dump_omp_clauses.
11397 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11398 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11399 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11400 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11401 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11402 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11403 Adjust output for GOMP_PARALLEL.
11404 (dump_omp_clauses): New.
11405 (print_declaration): Dump DECL_VALUE_EXPR.
11406 (op_symbol_1): Split out of op_symbol.
11407 (dumping_stmts): Remove. Update all users.
11408 * cgraph.c (cgraph_analyze_queue): New.
11409 (cgraph_add_new_function): New.
11410 * cgraph.h (cgraph_analyze_queue): Declare.
11411 (cgraph_add_new_function): Declare.
11412 (cgraph_lower_function): Remove.
11413 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11414 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11415 and TYPE_P nodes in its default clause.
11416 (empty_body_p): New.
11417 (tree_range_check_failed): New.
11418 (build5_stat): New.
11419 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11420 OMP_CLAUSE_REDUCTION_MERGE,
11421 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11422 OMP_CLAUSE_PRIVATE_DEBUG,
11423 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11424 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11425 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11426 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11427 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11428 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11429 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11430 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11431 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11432 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11433 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11434 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11435 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11436 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11437 (TREE_RANGE_CHECK): New.
11438 (empty_body_p): Declare.
11439 (enum omp_clause_default_kind): New.
11440 (build_string_literal): Declare.
11441 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11442 (build5_stat, build5): Declare.
11443 * tree-pass.h (TDF_CHAIN): Define.
11444 * tree-pass.h (PROP_gimple_lomp): Define.
11445 (pass_lower_omp): Declare.
11446 * diagnostic.h (debug_tree_chain): Declare.
11447 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11449 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11450 * builtins.c (build_string_literal): Make extern.
11451 * gcc.c (include_spec_function): New.
11452 (static_spec_functions): Add it.
11453 (main): Move load of libgomp.spec ...
11454 (LINK_COMMAND_SPEC): ... here.
11455 (link_gomp_spec): New.
11456 (static_specs): Include it.
11457 (LINK_COMMAND_SPEC): Add link_gomp.
11458 (GOMP_SELF_SPECS): New.
11459 (driver_self_specs): Include it.
11460 (switch_matches): Don't mark inline.
11461 (main): Load libgomp.spec.
11462 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11463 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11464 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11465 * tree-gimple.h (enum omp_parallel): Declare.
11466 (determine_parallel_type): Declare.
11467 (omp_firstprivatize_variable): Declare.
11468 (omp_reduction_init): Declare.
11469 (diagnose_omp_structured_block_errors): Declare.
11470 (struct walk_stmt_info): Add want_return_expr.
11471 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11472 (find_omp_clause): Declare.
11473 (insert_field_into_struct): Declare.
11474 (struct walk_stmt_info): Move from tree-nested.c
11475 (walk_stmts): Declare.
11476 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11478 * cgraphunit.c (cgraph_lower_function): Make static.
11479 (cgraph_finalize_pending_functions): New.
11480 (cgraph_finalize_function): Call it.
11481 (cgraph_finalize_compilation_unit): Likewise.
11482 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11483 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11484 (BT_FN_UINT_UINT): New.
11485 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11486 DEF_FUNCTION_TYPE_VAR_4): Document.
11487 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11488 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11489 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11490 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11491 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11492 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11493 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11494 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11495 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11496 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11497 into separate files.
11498 (DEF_GOMP_BUILTIN): New.
11499 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11500 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11501 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11502 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11503 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11504 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11505 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11506 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11507 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11508 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11509 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11510 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11511 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11512 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11513 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11514 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11515 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11516 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11517 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11518 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11519 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11520 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11521 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11522 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11523 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11524 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11525 * sync-builtins.def: New file, moved from builtins.def.
11526 * omp-builtins.def: New file, moved from builtins.def.
11527 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11528 * gimple-low.c (lower_function_body): Clear data.
11529 (lower_stmt): Do not handle COMPOUND_EXPR.
11530 Remove call to print_node_brief.
11531 * c-tree.h (c_finish_omp_clauses): New prototype.
11532 (C_DECL_THREADPRIVATE_P): Define.
11533 (lookup_name_no_remap, c_omp_remap_private): Remove
11534 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11535 (check_for_loop_decls): Update decl.
11536 (lookup_name_no_remap, c_omp_remap_private): Declare.
11537 (build_indirect_ref, build_modify_expr, pushdecl,
11538 pushdecl_top_level): Move to c-common.h.
11539 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11540 before the switch, but just in the 2 places that need it.
11541 * c-decl.c (diagnose_mismatched_decls): Do not check for
11542 mismatched thread-local attributes when OLDDECL is marked
11543 threadprivate and NEWDECL has no thread-local attributes.
11544 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11545 (c_gimple_diagnostics_recursively): Rename from
11546 c_warn_unused_result_recursively. Invoke
11547 diagnose_omp_structured_block_errors.
11548 (check_for_loop_decls): Return a singular decl found.
11549 * langhooks.c (lhd_omp_predetermined_sharing): Return
11550 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11551 (lhd_omp_firstprivatize_type_sizes): New.
11552 (lhd_omp_assignment): New.
11553 (lhd_omp_predetermined_sharing): New.
11554 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11555 (struct lang_hooks_for_types): Add
11556 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11557 omp_predetermined_sharing, omp_disregard_value_expr,
11558 omp_private_debug_clause, omp_clause_default_ctor,
11559 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11560 (c_finish_omp_clauses): New.
11561 (c_finish_bc_stmt): Diagnose break within omp for.
11562 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11563 (build_unary_op): Return error_mark after reporting
11565 (build_modify_expr): Likewise.
11566 * gimplify.c: Include optabs.h and pointer-set.h.
11567 (enum gimplify_omp_var_data): Declare.
11568 (struct gimplify_omp_ctx): Declare.
11569 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11571 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11572 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11573 (splay_tree_compare_decl_uid): New.
11574 (new_omp_context): New.
11575 (delete_omp_context): New.
11576 (gimple_add_tmp_var): Call omp_add_variable.
11577 (gimplify_bind_expr): Likewise.
11578 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11579 true, disregard DECL_VALUE_EXPR on the decl if any.
11580 (gimplify_expr_in_ctx): New.
11581 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11582 omp_add_variable, omp_notice_variable, omp_is_private
11583 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11584 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11585 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11586 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11587 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11588 gimplify_omp_atomic): New.
11589 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11590 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11591 OMP_CRITICAL and OMP_ATOMIC.
11592 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11593 * c-pragma.h (enum pragma_kind): Add
11594 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11595 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11596 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11597 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11598 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11599 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11600 PRAGMA_OMP_THREADPRIVATE.
11601 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11602 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11603 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11604 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11605 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11606 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11607 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11608 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11609 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11610 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11611 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11612 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11613 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11615 (struct nesting_info): Add field_map,
11616 suppress_expansion, debug_var_chain.
11617 (create_nesting_tree): Initialize them.
11618 (lookup_field_for_decl): Use field_map.
11619 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11620 (convert_local_omp_clauses): New.
11621 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11622 (walk_body): Split out of walk_function.
11623 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11624 (convert_nonlocal_reference): Handle omp statements.
11625 (convert_local_reference): Likewise.
11626 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11627 (unnest_nesting_tree): New.
11628 (lower_nested_functions): Call it.
11629 (insert_field_into_struct): Make extern.
11630 (struct walk_stmt_info): Move to tree-gimple.h.
11631 (walk_stmts): Make extern.
11632 * omp-builtins.def: New file.
11633 * tree-iterator.c (expr_only): Clarify comment.
11634 * c-common.h (pushdecl_top_level, pushdecl,
11635 build_modify_expr, build_indirect_ref,
11636 c_finish_omp_master, c_finish_omp_critical,
11637 c_finish_omp_ordered, c_finish_omp_barrier,
11638 c_finish_omp_atomic, c_finish_omp_flush,
11639 c_finish_omp_for, c_split_parallel_clauses,
11640 omp_clause_default_kind, c_omp_sharing_predetermined,
11641 c_omp_remap_decl): Declare.
11642 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11643 (OBJS-common): Add omp-low.o.
11644 (c-omp.o, omp-low.o): Add.
11645 (gimplify.o): Add dependency on $(OPTABS_H).
11646 (GTFILES): Add omp-low.c.
11647 (gt-stringpool.h): Add.
11648 * tree-cfg.c (set_bb_for_stmt): Do not update the
11649 block-to-labels map if we are currently expanding to RTL.
11650 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11652 Handle IDENTIFIER_NODE.
11653 (tree_verify_flow_info): Do not ICE when emitting error
11654 messages about invalid labels.
11655 (dump_function_to_file): Reset CFUN before emitting the body
11657 (debug_function): New.
11658 * passes.c (init_optimization_passes): Schedule
11660 * langhooks-def.h (lhd_omp_predetermined_sharing,
11661 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11663 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11664 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11665 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11666 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11667 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11668 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11669 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11670 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11671 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11672 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11673 (LANG_HOOK_DECLS): Use them.
11675 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11676 Richard Henderson <rth@redhat.com>
11677 Jakub Jelinek <jakub@redhat.com>
11678 Diego Novillo <dnovillo@redhat.com>
11680 * c-parser.c (pragma_omp_clause): Define.
11681 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11682 (c_parser_compound_statement): Likewise.
11683 (c_parser_statement): Likewise.
11684 (c_parser_pragma): Handle omp pragmas.
11685 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11686 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11687 (c_parser_omp_clause_name, check_no_duplicate_clause,
11688 c_parser_omp_variable_list,
11689 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11690 c_parser_omp_clause_copyprivate,
11691 c_parser_omp_clause_default,
11692 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11693 c_parser_omp_clause_lastprivate,
11694 c_parser_omp_clause_nowait,
11695 c_parser_omp_clause_num_threads,
11696 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11697 c_parser_omp_clause_reduction,
11698 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11699 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11700 c_parser_omp_atomic, c_parser_omp_barrier,
11701 c_parser_omp_critical, c_parser_omp_flush,
11702 c_parser_omp_for_loop, c_parser_omp_for,
11703 c_parser_omp_master, c_parser_omp_ordered,
11704 c_parser_omp_sections_scope, c_parser_omp_sections,
11705 c_parser_omp_parallel, c_parser_omp_single,
11706 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11707 * c-pragma.c (init_pragma): Do omp pragma registration here.
11708 * c.opt (fopenmp): New flag.
11710 2006-01-18 Eric Christopher <echristo@apple.com>
11712 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11713 * config/darwin.h (GOMP_SELF_SPECS): Define.
11715 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11717 * rtl.h: Remove the prototype for reg_alloc.
11719 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11722 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11723 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11724 sjlj and dwarf2 exception handling.
11725 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11726 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11727 * pa/pa.c (function_value): Treat complex and vector types as
11729 (function_arg): Likewise. Only pass scalar floats in the floating
11730 point argument registers.
11731 * pa/t-slibgcc-dwarf-ver: New file.
11732 * pa/t-slibgcc-sjlj-ver: New file.
11733 * pa/t-slibgcc-elf-ver: Delete file.
11735 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11737 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11738 unlikely_test_section_p test.
11740 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11742 * mode-switching.c (optimize_mode_switching): Make it static.
11743 * basic-block.h: Remove the prototype for
11744 optimize_mode_switching.
11746 * modulo-sched.c (sms_schedule): Make it static.
11747 * rtl.h: Remove the prototype for sms_schedule.
11749 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11750 * rtl.h: Remove the prototype for gcse_after_reload_main.
11752 * reg-stack.c (reg_to_stack): Make it static.
11753 * rtl.h: Remove the prototype for reg_to_stack.
11755 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11757 * rtl.h: Remove the prototypes for regrename_optimize and
11758 copyprop_hardreg_forward.
11760 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11762 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11763 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11764 Test against the appropriate null constant for the mode.
11765 If 'fixup_overlap' is true, swap the operands if they overlap.
11766 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11767 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11768 alpha_split_tmode_pair and adjust for above change.
11769 * config/alpha/alpha.md (movtf_internal): Adjust call to
11770 alpha_split_tfmode_pair and rely on it to swap the operands.
11771 (movti_internal): New insn and post-reload splitter.
11772 (movti): New expander.
11774 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11776 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11779 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11781 * rtlanal.c (global_reg_mentioned_p_1,
11782 global_reg_mentioned_p): Remove.
11783 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11785 * flow.c (initialize_uninitialized_subregs): Make it static.
11786 * rtl.h: Remove the prototype for
11787 initialize_uninitialized_subregs.
11789 * function.c (instantiate_virtual_regs): Make it static.
11790 * function.h: Remove the prototype for
11791 instantiate_virtual_regs.
11793 * regmove.c (regmove_optimize, combine_stack_adjustments):
11795 * rtl.h: Remove the prototypes for regmove_optimize and
11796 combine_stack_adjustments.
11798 2006-01-17 Roger Sayle <roger@eyesopen.com>
11800 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11801 (size_cost): Encode costs in bytes so that a reg-reg addition is
11802 equivalent to COSTS_N_INSNS(1).
11803 (override_options): Use the size_cost.branch_cost as the default
11804 ix86_branch_cost when optimizing for size.
11806 2006-01-18 Ben Elliston <bje@au.ibm.com>
11808 * Makefile.in (D32PBIT_FUNCS): New.
11809 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11810 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11811 D64PBIT_FUNCS and D128PBIT_FUNCS.
11812 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11813 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11815 (decnumber_dep): Define.
11816 * doc/libgcc.texi (Decimal float library routines): New node.
11817 * config/dfp-bit.h, config/dfp-bit.c: New files.
11819 2006-01-18 Ben Elliston <bje@au.ibm.com>
11821 * expr.c (emit_move_change_mode): Always adjust addresses, not
11822 just during reload. Copy replacements only during reload.
11823 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11824 emit_move_via_integer.
11826 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11828 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11829 instead of $(srcdir) and ${srcdir}.
11831 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11834 PR middle-end/11135
11835 * arm.h (struct machine_function): Add pic_reg.
11836 * arm.c (arm_pic_register): Make unsigned.
11837 (arm_override_options): Only set arm_pic_register if
11838 TARGET_SINGLE_PIC_BASE.
11839 (use_return_insn): Only test for a pic register if it is fixed.
11840 (arm_compute_save_reg0_reg12_mask): Likewise.
11841 (thumb_compute_save_reg_mask): Likewise.
11842 (legitimate_pic_operand): Factor out some known invariants.
11843 (legitimize_pic_address): If we don't have a fixed pic register,
11844 then set up a pseudo in the function entry sequence. Handle the
11845 pic base being in a pseudo.
11846 (arm_load_pic_register): Handle the pic register being in a pseudo.
11847 (arm_expand_prologue): Only set up the pic register if it is fixed.
11848 (thumb_expand_prologue): Likewise.
11849 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11850 (pic_load_addr_based_insn): Likewise.
11851 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11854 2006-01-18 Ben Elliston <bje@au.ibm.com>
11856 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11857 decimal float modes for all floating point registers.
11859 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11860 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11862 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11865 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11866 even when the pointer is not NULL.
11868 2006-01-16 Ian Lance Taylor <ian@airs.com>
11870 * common.opt (ftoplevel-reorder): New option.
11871 * cgraph.c (cgraph_asm_nodes): New global variable.
11872 (cgraph_asm_last_node): New static variable.
11873 (cgraph_order): New global variable.
11874 (cgraph_create_node): Set new order field.
11875 (cgraph_varpool_node): Likewise.
11876 (decide_is_variable_needed): Return true if not
11877 flag_toplevel_reorder.
11878 (cgraph_add_asm_node): New function.
11879 * cgraph.h (struct cgraph_node): Add order field.
11880 (struct cgraph_varpool_node): Add order field.
11881 (struct cgraph_asm_node): Define.
11882 (cgraph_asm_nodes, cgraph_order): Declare.
11883 (cgraph_add_asm_node): Declare.
11884 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11886 (cgraph_varpool_assemble_pending_decls): Call it.
11887 (cgraph_output_pending_asms): New static function.
11888 (cgraph_finalize_compilation_unit): Call it.
11889 (struct cgraph_order_sort): Define.
11890 (cgraph_output_in_order): New static function.
11891 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11892 !flag_toplevel_reorder case.
11893 * c-parser.c: Include "cgraph.h".
11894 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11896 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11897 than -fno-unit-at-a-time.
11898 * doc/invoke.texi (Option Summary): Mention
11899 -fno-toplevel-reorder.
11900 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11901 -funit-at-a-time documentation.
11903 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11904 Kazu Hirata <kazu@codesourcery.com>
11906 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11908 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11910 * Makefile.in (FUNCTION_H): New. Use it instead of
11911 function.h throughout the file.
11912 * function.h: Include tree.h.
11914 2006-01-17 Ben Elliston <bje@au.ibm.com>
11916 * recog.c: Separate some functions with whitespace.
11918 2006-01-16 Richard Henderson <rth@redhat.com>
11920 Merge from gomp branch:
11921 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11922 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11923 and rename from struct inline_data. Rename callee* to dst*;
11924 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11925 transform_new_cfg, transform_return_to_modify, and
11926 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11928 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11929 (copy_decl_for_dup): Remove.
11930 * tree-inline.c (struct inline_data): Move to header.
11931 (insert_decl_map): Export.
11932 (remap_decl): Update for member name changes. Use copy_decl hook.
11933 Allow for replacement to be a non-decl. Remove dead code.
11934 (remap_type_1): Check for existing mapping.
11935 (remap_type): Export.
11936 (remap_decls): Update for member name changes.
11937 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11938 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11939 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11940 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11941 (tree_function_versioning, build_duplicate_type): Likewise.
11942 (copy_body_r): Likewise. Export.
11943 (copy_decl_for_dup): Split into ...
11944 (copy_decl_for_dup_finish, copy_decl_to_var,
11945 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11946 (replace_ref_tree, inlining_p): Remove.
11948 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11950 * ifcvt.c (if_convert): Make it static.
11951 * rtl.h: Remove the prototype for if_convert.
11953 * local-alloc.c (local_alloc): Make it static.
11954 * rtl.h: Remove the prototype for local_alloc.
11956 * loop.c (loop_optimize): Make it static.
11957 * cfgloop.h: Remove the prototype for loop_optimize.
11960 2006-01-16 DJ Delorie <dj@redhat.com>
11962 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11965 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11967 * pa.md: Disparage copies between general and floating-point registers
11968 in 32-bit move patterns.
11970 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11973 * Makefile.in (check-%): Depend on site.exp instead of
11974 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11977 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11979 * global.c (global_alloc): Make it static.
11980 * rtl.h: Remove the prototype for global_alloc.
11982 2006-01-16 Richard Guenther <rguenther@suse.de>
11984 * tree-ssa-alias.c (struct used_part): Add write_only field.
11985 (get_or_create_used_part_for): Initialize it to true.
11986 (create_overlap_variables_for): Don't create structure variables
11987 for structures that only are written to.
11988 (find_used_portions): Handle MODIFY_EXPR to track whether a
11989 structure is only written to.
11991 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11993 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11995 * basic-block.h: Remove the prototype for
11996 partition_hot_cold_basic_blocks.
11998 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12000 * cppspec.c (lang_specific_spec_functions): Remove.
12001 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12002 * gcc.h (lang_specific_spec_functions): Remove.
12003 * gccspec.c (lang_specific_spec_functions): Remove.
12005 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12007 * combine.c (record_value_for_reg): Invalidate registers
12009 (record_dead_and_set_regs_1): Likewise, by passing them to
12010 record_value_for_reg.
12011 (record_dead_and_set_regs): Invalidate stores made by a
12012 call. We do not combine across a call, but we still
12013 relied on equivalences.
12015 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12017 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12018 vrp_int_const_binop returning non-constant nodes.
12020 2006-01-16 Paul Brook <paul@codesourcery.com>
12022 * config/m68k/m68k.c (output_move_const_into_data_reg):
12023 Output correct mnemonic for mvz and mvs.
12025 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12027 * rtl-factoring.c: Add sequence abstraction algorithm.
12028 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12029 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12031 (block_has_preserve_label): New function.
12032 * common.opt: Register new pass.
12033 * Makefile.in: Ditto.
12035 * timevar.def: Ditto.
12036 * tree-pass.h: Ditto.
12037 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12038 * rtl.h (make_jump_insn_raw): Add forward decl.
12039 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12041 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12042 Roger Sayle <roger@eyesopen.com>
12044 * fold-const.c (fold_minmax): New static function.
12045 (fold_binary) <MIN_EXPR>: Call it.
12046 <MAX_EXPR>: Likewise.
12047 * stor-layout.c (place_field): Use DECL_SIZE consistently
12048 in the computation of the new record size.
12050 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12052 * cse.c (cse_condition_code_reg): Make it static.
12053 * rtl.h: Remove the prototype for cse_condition_code_reg.
12055 * combine.c (combine_instructions): Make it static.
12056 * rtl.h: Remove the prototype for combine_instructions.
12058 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12061 * tree.c (get_file_function_name_long): Concatenate the first global
12062 object name with a string derived from the input filename of the object
12065 2006-01-16 Ben Elliston <bje@au.ibm.com>
12067 * config/i386/winnt-stubs.c: Update FSF address.
12068 * config/xtensa/ieee754-df.S: Ditto.
12069 * config/xtensa/ieee754-sf.S: Ditto.
12071 2006-01-14 Ian Lance Taylor <ian@airs.com>
12073 * ifcvt.c (noce_init_if_info): New static function, broken out of
12074 noce_process_if_block.
12075 (noce_process_if_block): Call noce_init_if_info.
12076 (check_cond_move_block): New static function.
12077 (cond_move_process_if_block): New static function.
12078 (process_if_block): Call cond_move_process_if_block.
12080 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12082 * cselib.c (hash_table): Rename to cselib_hash_table.
12083 (cselib_clear_table, discard_useless_values,
12084 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12085 cselib_init, cselib_finish): Adjust uses of hash_table.
12087 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12089 PR tree-optimization/25485
12090 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12091 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12092 is known to be false and true, respectively.
12094 2006-01-14 Richard Guenther <rguenther@suse.de>
12096 PR tree-optimization/22548
12097 PR tree-optimization/22555
12098 PR tree-optimization/22501
12099 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12100 * params.def (salias-max-array-elements): New parameter.
12101 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12102 * doc/invoke.texi (salias-max-array-elements): Document.
12103 * tree-flow-inline.h (var_can_have_subvars): We also handle
12105 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12107 * tree-ssa-structalias.c (params.h): Include.
12108 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12109 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12110 (get_constraint_for): For ADDR_EXPR operating on something
12111 containing an ARRAY_REF, add all subvars to the solution.
12112 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12113 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12114 for creating MUST_DEFs.
12115 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12117 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12119 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12121 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12122 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12123 number_of_iterations_le): New functions.
12124 (number_of_iterations_special): Removed.
12125 (number_of_iterations_exit): Do not use number_of_iterations_special.
12126 * tree.c (unsigned_type_for): Always return integer type.
12128 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12129 Richard Guenther <rguenther@suse.de>
12131 PR rtl-optimization/24257
12132 * gcse.c (find_moveable_store): Only consider a store movable
12133 when the SET_SRC of the insn can be assigned to a register.
12135 2006-01-14 Ian Lance Taylor <ian@airs.com>
12137 * tree.c (tree_not_class_check_failed): New function.
12138 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12139 (tree_not_class_check_failed): Declare.
12141 2006-01-13 Ian Lance Taylor <ian@airs.com>
12143 * reload1.c (do_output_reload): Add assertion rejecting a
12146 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12148 * combine.c (struct reg_stat): Add new fields truncation_label and
12150 (record_value_for_reg): Reset truncated_to_mode.
12151 (record_truncated_value): New function.
12152 (check_promoted_subreg): Call it. Rename to check_conversions.
12153 (combine_instructions): Rename check_promoted_subreg to
12155 (reg_truncated_to_mode): New function.
12156 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12157 (gen_lowpart_or_truncate): New function.
12158 (force_to_mode): Use it instead of gen_lowpart.
12160 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12162 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12163 VAR is a tag, not its type tag.
12165 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12167 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12168 alternatives to match style of other entries.
12169 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12171 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12173 PR tree-optimization/25771
12174 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12177 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12180 * tree-inline.c (declare_return_variable): If the return variable
12181 was marked as a non gimple complex, set the return slot variable
12182 to be a non gimple comple variable.
12184 2006-01-13 Richard Guenther <rguenther@suse.de>
12186 * builtins.c (expand_builtin_sincos): New function.
12187 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12189 (expand_builtin): Expand sincos using expand_builtin_sincos.
12191 2006-01-12 DJ Delorie <dj@redhat.com>
12193 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12194 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12195 so that constant shifts can be split.
12196 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12197 (m32c_valid_pointer_mode): Make static.
12198 (shift_gen_func_for): New.
12199 (m32c_prepare_shift): Use it. Split large const shifts into
12201 * config/m32c/predicates.md (shiftcount_operand): Allow more
12203 (longshiftcount_operand): New.
12204 * doc/md.texi (Machine Constraints): Document In6.
12206 2006-01-13 Ben Elliston <bje@au.ibm.com>
12208 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12209 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12212 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12214 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12215 to try to avoid clobbering pieces of structures when we know
12216 something about the whole structure.
12217 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12219 2006-01-13 Ben Elliston <bje@au.ibm.com>
12221 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12222 return in memory, as this is no limitation is no longer present.
12224 2006-01-12 DJ Delorie <dj@redhat.com>
12226 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12227 mova with fb, and for fb+0 -> An.
12229 * config/m32c/mov.md (peephole2): Fix enabling logic.
12231 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12232 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12233 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12234 FINI_ARRAY_SECTION_ASM_OP): Define.
12236 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12238 (m32c_legitimize_reload_address): New logic to reload FB to An.
12239 (m32c_output_reg_push): Add newline.
12240 (m32c_output_reg_pop): Likewise.
12242 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12244 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12246 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12248 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12250 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12252 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12255 2006-01-11 Ben Elliston <bje@au.ibm.com>
12257 * rtlanal.c (find_reg_note): Assert insn is not null.
12259 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12261 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12264 2006-01-11 Jeff Law <law@redhat.com>
12266 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12268 (mark_threaded_blocks, register_jump_thread): New functions.
12269 (thread_through_all_blocks): Remove unwanted argument. No
12270 longer rely on e->aux to communicate thread target info.
12271 Call mark_threaded_blocks. Release the threaded_blocks
12272 bitmap and threaded_edges vector when complete.
12273 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12274 (threaded_blocks): Remove.
12275 (tree_ssa_dominator_optimize): Remove initialization and
12276 finalization of threaded_blocks. Simplify call to
12277 thread_through_all_blocks.
12278 (thread_across_edge): Call register_jump_thread rather than
12279 storing thread information into e->aux.
12280 (free_all_edge_infos): Simplify now that e->aux is no longer
12281 used to communicate with thread_through_all_blocks.
12282 * tree-flow.h (thread_through_all_blocks): Update prototype.
12283 (register_jump_thread): Prototype.
12285 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12287 * df-core.c (df_compact_blocks, df_bb_replace): Use
12288 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12290 2006-01-11 Richard Guenther <rguenther@suse.de>
12292 PR tree-optimization/25734
12293 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12294 stop propagation after successful propagation to the LHS.
12296 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12298 * basic-block.h (control_flow_graph): Change the type of
12299 x_basic_block_info to VEC(basic_block,gc) *.
12300 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12302 (SET_BASIC_BLOCK): New.
12303 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12304 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12305 * cfgbuild.c (find_basic_blocks): Likewise.
12306 * cfglayout.c (fixup_reorder_chain): Likewise.
12307 * cfgrtl.c (create_basic_block_structure,
12308 rtl_create_basic_block): Likewise.
12309 * ifcvt.c (find_if_case_1): Likewise.
12310 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12313 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12315 * Makefile.in: Removed rotted odf.c entry.
12317 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12320 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12321 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12322 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12323 output pattern modifier, not %e.
12324 * config/cris/cris.c (cris_op_str): Update comment about pattern
12326 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12327 before falling through into...
12328 <case 'E'>: Redefined from old 'e' case.
12330 2006-01-11 Jan Hubicka <jh@suse.cz>
12333 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12335 2006-01-11 Jan Hubicka <jh@suse.cz>
12337 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12338 * i386.c (x86_decompose_lea): Kill.
12339 (ix86_rtx_costs): Kill.
12341 2006-01-11 Jan Hubicka <jh@suse.cz>
12343 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12344 * cgraph.h (cgraph_node): Add inline_decl.
12345 (cgraph_insert_node_to_hashtable): Declare.
12346 (save_inline_function_body): Declare.
12347 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12349 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12350 (cgraph_function_versioning): Update call of tree_function_versioning.
12351 (save_inline_function_body): New function.
12352 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12353 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12354 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12355 (cgraph_default_inline_p): Likewise.
12356 (cgraph_decide_inlining_incrementally): Likewise.
12357 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12358 (copy_bb): Kill saving; do updating of clones.
12359 (copy_cfg_body): Kill saving.
12360 (initialize_inlined-parameters): Likewise.
12361 (expand_call_inline): Likewise.
12363 (tree_function_versioning): New parameter "update_clones".
12364 (inlining_p): Kill saving.
12365 * tree-inline.h (tree_function_versioning): Update prototype.
12366 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12369 2006-01-11 Ian Lance Taylor <ian@airs.com>
12371 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12372 Allow undoing set of machine mode.
12373 (do_SUBST): Use enums instead of is_int.
12374 (do_SUBST_MODE): New function.
12375 (SUBST_MODE): New macro.
12376 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12377 reg and trying to replace reg_regno_rtx with a new register.
12378 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12379 (simplify_set): Use SUBST_MODE.
12380 (distribute_notes): Remove code that tried to update reg notes
12381 for regno_reg_rtx changes.
12383 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12385 PR tree-optimization/23109
12386 PR tree-optimization/23948
12387 PR tree-optimization/24123
12389 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12390 * tree-cfg.c (single_noncomplex_succ): New.
12391 * tree-flow.h (single_noncomplex_succ): Declare it.
12392 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12393 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12394 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12395 insert_bb, register_division_in, insert_reciprocals,
12396 replace_reciprocal, free_bb): New.
12397 (execute_cse_reciprocals_1): Rewritten.
12398 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12399 Do not commit any edge insertion. Always compute dominators and
12400 create the allocation pool.
12401 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12402 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12403 * targhooks.c (default_min_divistions_for_recip_mul): New.
12404 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12405 * passes.c (init_optimization_passes): Run recip after tree loop
12407 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12409 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12410 Kenneth Zadeck <zadeck@naturalbridge.com>
12412 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12413 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12414 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12415 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12416 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12417 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12418 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12419 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12420 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12421 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12422 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12423 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12424 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12425 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12426 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12427 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12428 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12429 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12430 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12431 DF_SCAN_POST_ALLOC): New macros.
12432 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12433 df_free_bb_function, df_local_compute_function, df_init_function,
12434 df_dataflow_function, df_confluence_function_0,
12435 df_confluence_function_n, df_transfer_function,
12436 df_finalizer_function, df_free_function, df_dump_problem_function,
12437 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12438 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12439 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12440 df_urec_bb_info, ) New types.
12441 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12443 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12444 df_analyze_simple_change_some_blocks,
12445 df_analyze_simple_change_one_block, df_compact_blocks,
12446 df_bb_replace, df_bb_regno_last_use_find,
12447 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12448 df_insn_regno_def_p, df_find_def, df_find_use,
12449 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12450 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12451 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12452 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12453 debug_df_chain, df_get_dependent_problem, df_chain_create,
12454 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12455 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12456 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12457 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12458 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12459 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12460 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12461 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12462 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12463 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12464 df_reorganize_refs, df_set_state, df_hard_reg_init,
12465 df_read_modify_subreg_p) New public functions.
12466 * df-core.c: The core dataflow solver and glue routines for rtl
12468 (df_init, df_add_problem, df_set_blocks, df_finish,
12469 df_hybrid_search_forward, df_hybrid_search_backward,
12470 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12471 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12472 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12473 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12474 df_reg_defined, df_find_use, df_reg_used, df_dump,
12475 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12476 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12477 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12478 debug_df_useno, reset_df_after_reload): New functions.
12479 * df-scan.c: The scanning fuctions, once in df.c, completely
12480 rewritten so that they now fully model the functionality of
12481 register usage at the backend.
12482 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12483 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12484 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12485 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12486 df_get_artificial_defs, df_get_artificial_uses,
12487 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12488 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12489 df_refs_delete, df_reorganize_refs, df_set_state,
12490 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12491 df_def_record_1, df_defs_record, df_uses_record,
12492 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12493 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12494 df_record_exit_block_uses, df_hard_reg_init): New functions.
12496 * df-problems.c: Seven concrete dataflow problems that use the
12497 scanning in df-scan.c and are solved by the engine in df-core.c.
12498 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12499 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12500 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12501 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12502 df_ru_free_bb_info, df_ru_alloc,
12503 df_ru_bb_local_compute_process_def,
12504 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12505 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12506 df_ru_transfer_function, df_ru_free, df_ru_dump,
12507 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12508 df_rd_free_bb_info, df_rd_alloc,
12509 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12510 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12511 df_rd_transfer_function, df_rd_free, df_rd_dump,
12512 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12513 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12514 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12515 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12516 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12517 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12518 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12519 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12520 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12521 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12522 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12523 df_urec_mark_reg_use_for_earlyclobber,
12524 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12525 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12526 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12527 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12528 df_chain_create_bb_process_use, df_chain_create_bb,
12529 df_chain_finalize, df_chain_free, df_chains_dump,
12530 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12531 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12532 df_reg_lifetime): New functions.
12533 * df.c: Deleted file.
12534 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12535 consistent with new df api.
12536 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12537 rest_of_handle_sms): Ditto.
12538 * web.c (unionfind_union, union_defs, entry_register, web_main):
12540 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12541 invariant_expr_equal_p, find_defs, check_dependencies,
12542 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12543 free_inv_motion_data, move_loop_invariants): Ditto.
12544 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12545 Update dependencies.
12546 (odf.c): Added defective entry that was deleted later in day.
12547 * sched-deps.c (sched_analyze_1): Ditto.
12549 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12551 * tree-ssa-operands.c (get_expr_operands): Record addressable
12552 variables directly. Do not call add_stmt_operands for CONST_DECLs
12554 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12555 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12557 2006-01-11 Ben Elliston <bje@au.ibm.com>
12559 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12560 function returns true in the positive case.
12562 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12565 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12566 for SI, DI, SF and DF modes. Add alternatives to copy between
12567 general and floating point registers to the 32-bit patterns.
12568 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12569 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12570 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12571 generating 64-bit code.
12572 * config/pa/pa.c (output_move_double): Handle copies between general
12573 and floating registers.
12575 2006-01-10 Stuart Hastings <stuart@apple.com>
12577 * config/i386/i386.md (set_got): Update.
12578 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12579 (builtin_setjmp_receiver): Mach-O support.
12580 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12581 (GOT_SYMBOL_NAME): Define.
12582 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12583 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12584 * config/i386/i386.c (override_options): Revise for Darwin.
12585 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12586 support. (darwin_x86_file_end): New. (output_set_got): Add label
12587 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12588 * config/i386/i386-protos.h (output_set_got): Likewise.
12589 * config/darwin.c (machopic_legitimize_pic_address): Update
12592 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12594 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12595 when MODE isn't BLKmode.
12597 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12599 PR rtl-optimization/25367
12600 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12602 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12605 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12606 for a negative bound.
12608 2006-01-10 Richard Guenther <rguenther@suse.de>
12610 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12611 Never override with anything constraint.
12613 2006-01-10 Jan Beulich <jbeulich@novell.com>
12615 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12616 256 bits when optimize_size.
12618 2006-01-10 Jan Beulich <jbeulich@novell.com>
12620 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12622 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12623 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12626 2006-01-10 Ben Elliston <bje@au.ibm.com>
12628 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12630 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12631 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12632 (USE_FP_FOR_ARG): Reject decimal float modes.
12633 (function_arg_advance): Likewise.
12634 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12635 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12636 point types in AltiVec vectors.
12637 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12638 (rs6000_libcall_value): Likewise.
12640 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12642 * config/xtensa/ieee754-df.S: New file.
12643 * config/xtensa/ieee754-sf.S: New file.
12644 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12645 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12646 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12648 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12650 * config/sh/predicates.md (binary_float_operator,
12651 binary_logical_operator, commutative_float_operator,
12652 equality_comparison_operator, greater_comparison_operator,
12653 less_comparison_operator, logical_operator,
12654 noncommutative_float_operator, shift_operator,
12655 symbol_ref_operand, unary_float_operator): Remove redundant
12658 2006-01-09 Jeff Law <law@redhat.com>
12660 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12661 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12662 now unused arguments. Callers updated.
12663 (eliminate_redundant_computations): Remove now unused arguments,
12665 (local_fold): Remove, no longer used.
12666 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12668 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12669 (simplify_cond): New function.
12670 (forward_propagate_into_cond): Call simplify_cond.
12672 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12674 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12675 (*vec_extractv2di_1_sse): New.
12677 2006-01-09 Ben Elliston <bje@au.ibm.com>
12679 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12681 2006-01-08 Richard Guenther <rguenther@suse.de>
12683 * tree-ssa-structalias.c (get_constraint_for): Remove
12684 anyoffset argument.
12685 (get_constraint_for_component_ref): Likewise.
12686 (do_deref): Likewise.
12687 (get_constraint_for): Likewise.
12688 (do_structure_copy): Likewise.
12689 (handle_ptr_arith): Likewise.
12690 (find_func_aliases): Likewise. Remove unused need_anyoffset
12693 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12694 Kaz Kojima <kkojima@gcc.gnu.org>
12696 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12697 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12698 (EXTRA_CONSTRAINT_C16): Remove.
12699 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12700 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12701 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12702 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12703 constants of SHmedia. Handle nested constant expressions of
12705 (andcosts): Fix the costs for SHmedia constants.
12706 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12707 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12708 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12709 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12710 (movv4hi_i, movv2si_i): Likewise.
12711 (movsi_const): Adjust the second operand of ior so to match with
12712 the Csu constraint.
12713 (movdi_const, movdi_const_32bit): Likewise.
12714 (movdi_const_16bit+1): Don't sign-extend LOW.
12715 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12717 (*double_shori): Fix the split condition. Use GEN_INT instead
12718 of get_int_mode calls. Mask lower 16-bit of the argument of
12720 (sym2GOTPLT): Remove.
12721 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12723 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12724 instead of EXTRA_CONSTRAINT_C16.
12726 2006-01-07 Ian Lance Taylor <ian@airs.com>
12727 David Edelsohn <edelsohn@gnu.org>
12729 PR rtl-optimization/25662
12730 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12731 for constant operands instead of simplify_gen_binary.
12732 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12733 after trying simplify_binary_operation
12735 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12737 * tree.c (iterative_hash_expr): Hash decls based on UID.
12739 2006-01-06 Eric Christopher <echristo@apple.com>
12741 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12742 (TARGET_UNWIND_EMIT): Fix spelling.
12743 * target.h (gcc_target): Add except_table_label.
12744 * except.c (output_function_exception_table): Use.
12745 * varasm.c (default_emit_except_table_label): New.
12746 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12748 (asm_out): Add here.
12749 * output.h (default_emit_except_table_label): Prototype.
12750 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12751 * config/darwin.c (darwin_emit_except_table_label): Define.
12752 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12754 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12756 PR tree-optimization/18527
12757 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12758 number_of_iterations_special, number_of_iterations_exit):
12759 Move base and step of an iv to a single structure. Add
12760 no_overflow flag, and use it in # of iterations analysis.
12761 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12762 folded_casts argument.
12763 (simple_iv): Pass base and step in a structure. Set no_overflow
12765 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12766 Evaluate expensiveness of computing # of iterations instead of
12767 the final expression.
12768 * tree-scalar-evolution.h (affine_iv): New structure.
12769 (simple_iv): Declaration changed.
12770 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12771 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12772 find_givs_in_stmt): Changed due to simple_iv change.
12774 2006-01-06 Jeff Law <law@redhat.com>
12777 * tree-cfg.c (bsi_replace): Rename final argument from
12778 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12779 change (stmt -> orig_stmt).
12780 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12781 (bsi_remove): Add new argument. Remove EH information
12783 (verify_eh_throw_table_statements): New function.
12784 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12786 * tree-optimize.c (execute_free_cfg_annotations): Verify
12787 the EH throw statement table after removing annotations.
12788 * except.h (verify_eh_throw_table_statements): Prototype.
12789 * tree-flow.h (bsi_remove): Update prototype.
12790 * tree-vrp.c (remove_range_assertions): Add new argument to
12792 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12793 * tree-complex.c (expand_complex_div_wide): Likewise.
12794 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12795 * tree-tailcall.c (eliminate_tailcall): Likewise.
12796 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12797 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12798 * tree-nrv.c (tree_nrv): Likewise.
12799 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12800 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12801 (combine_blocks): Likewise.
12802 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12803 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12804 (cleanup_control_flow): Likewise.
12805 (remove_forwarder_block): Likewise.
12806 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12807 * tree-sra.c (sra_replace): Likewise.
12808 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12809 (forward_propagate_single_use_vars): Likewise.
12810 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12811 * tree-inline.c (expand_call_inline): Likewise.
12812 * tree-vect-transform.c (vect_transform_loop): Likewise.
12813 * tree-outof-ssa.c (rewrite_trees): Likewise.
12814 * tree-cfg.c (make_goto_expr_edges): Likewise.
12815 (cleanup_dead_labels): Likewise.
12816 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12817 (bsi_move_before, bsi_move_after): Likewise.
12818 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12819 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12821 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12824 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12826 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12827 on non gimple variables. Also add checks at the top for decls and
12829 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12831 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12832 and IMAGPART_EXPR for creating MUST_DEFs.
12833 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12834 and NAME_MEMORY_TAG separately from the DECLs.
12836 2006-01-06 Richard Guenther <rguenther@suse.de>
12838 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12839 annotation, if necessary.
12840 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12841 redundant calls to update_stmt.
12842 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12845 2006-01-05 Richard Henderson <rth@redhat.com>
12847 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12849 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12851 * c-typeck.c: Update copyright date.
12853 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12855 * c-typeck.c (build_c_cast): Always warn when casting
12856 from a pointer to an integer of different size, even if
12857 the node was constant.
12859 2006-01-05 Richard Guenther <rguenther@suse.de>
12861 PR tree-optimization/22555
12862 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12863 if one structure field is an array.
12864 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12865 operands even if we found a subvar, but ignore VOPs in this
12867 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12869 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12871 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12873 PR middle-end/24998
12874 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12876 2006-01-05 Richard Guenther <rguenther@suse.de>
12877 Diego Novillo <dnovillo@redhat.com>
12879 * tree-pass.h (TODO_remove_unused_locals): Define.
12880 * gimple-low.c (expand_var_p, remove_useless_vars,
12881 pass_remove_useless_vars): Remove. Update all users.
12882 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12883 (remove_unused_locals): New function.
12884 * tree-flow.h (remove_unused_locals): Declare.
12885 * passes.c (execute_todo): Call remove_unused_locals if
12886 TODO_remove_unused_locals is set.
12887 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12888 * tree-ssa-dce.c (pass_dce): Likewise.
12889 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12891 2006-01-05 Richard Guenther <rguenther@suse.de>
12893 * tree-flow.h (struct fieldoff): Decompose field to
12894 type, size and decl.
12895 * tree-ssa-alias.c (create_sft): Take type as parameter.
12896 (create_overlap_variables_for): Store type, size and decl
12897 in the fieldoff structure.
12898 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12899 of struct fieldoff.
12900 (push_fields_onto_fieldstack): Likewise.
12901 (create_variable_info_for): Likewise. Use offset for the
12902 SFT name if the decl is not available.
12904 2006-01-04 Paul Brook <paul@codesourcery.com>
12906 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12908 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12910 * lambda-code.c (can_put_in_inner_loop): Relax
12912 (can_put_after_inner_loop): New function.
12913 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12914 (perfect_nestify): Change to make copies and modify uses.
12916 2006-01-04 Richard Henderson <rth@redhat.com>
12918 Merge from gomp branch:
12919 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12920 via integer constant.
12921 (pragma_lex): Remove.
12922 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12923 rather than parsing it.
12924 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12925 handle_pragma_extern_prefix): Add %< %> quotes.
12926 (registered_pragmas): New.
12927 (c_register_pragma_1): New.
12928 (c_register_pragma): Use it.
12929 (c_register_pragma_with_expansion): Likewise.
12930 (c_invoke_pragma_handler): New.
12931 (init_pragma): Use cpp_register_deferred_pragma directly for
12933 * c-pragma.h (enum pragma_kind): New.
12934 (pragma_handler): New.
12935 (c_invoke_pragma_handler): Declare.
12936 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12938 * c-common.h (c_common_pch_pragma): Update decl.
12939 * Makefile.in (c-parser.o): Update dependencies.
12940 (GTFILES): Add c-pragma.h.
12941 * c-parser.c (struct c_token): Add pragma_kind.
12942 (struct c_parser): Add in_pragma.
12943 (c_lex_one_token): Always initialize keyword and pragma_kind.
12944 Extract data for CPP_PRAGMA.
12945 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12946 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12947 Don't allow CPP_PRAGMA_EOL if in_pragma.
12948 (c_parser_consume_pragma): New.
12949 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12950 (c_parser_skip_to_end_of_parameter): Likewise.
12951 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12952 (c_parser_skip_to_pragma_eol): New.
12953 (c_parser_external_declaration): Handle CPP_PRAGMA.
12954 (c_parser_compound_statement_nostart): Likewise.
12955 (c_parser_statement_after_labels): Likewise.
12956 (c_parser_pragma): New.
12957 (pragma_lex): Likewise.
12958 (c_parser_pragma_pch_preprocess): New.
12959 (c_parser_new): Merge into ...
12960 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12962 2006-01-04 Jeff Law <law@redhat.com>
12965 * tree-cfg.c (bsi_replace): Remove the original statement
12966 from the EH throw statement table.
12968 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12970 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12971 make the prototype extern "C" and add throw ().
12974 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12975 and pos non-negative and pos + len <= 32.
12976 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12977 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12978 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12981 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12982 as well as sizes not multiple of component size.
12985 * function.c (instantiate_expr): New function.
12986 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12987 walk its DECL_VALUE_EXPR with instantiate_expr.
12989 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12990 DW_OP_deref{,_size} if address isn't going to be added.
12992 2006-01-04 Ben Elliston <bje@au.ibm.com>
12994 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12995 * config/fp-bit.c: Likewise.
12997 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12999 * dominance.c: Add comment about why we use DFS numbering
13002 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13003 Richard Henderson <rth@redhat.com>
13005 Merge from gomp-branch:
13006 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13007 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13009 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13011 PR rtl-optimization/25578
13012 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13013 pass a parameter to simplify_shift_const if changing ASHIFTRT
13016 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13018 * builtins.c (get_builtin_sync_mem): New function.
13019 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13020 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13021 Call get_builtin_sync_mem to generate mem rtx.
13023 2006-01-03 Richard Guenther <rguenther@suse.de>
13026 * stmt.c (add_case_node): Make sure to clear overflow flags
13029 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13031 Merge from gomp-branch.
13032 * config/sparc/sync.md: New file.
13033 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13034 UNSPECV_LDSTUB): New constants.
13035 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13036 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13037 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13040 2006-01-03 Roger Sayle <roger@eyesopen.com>
13042 * combine.c (reg_subword_p): New predicate to test whether the
13043 destination of a set refers to a subword/piece of a register.
13044 (try_combine): Generalize the code to merge the setting of a
13045 pseudo to a constant followed by a set of a subword of that
13046 register to a constant.
13048 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13050 * basic-block.h (control_flow_graph): Change the type of
13051 x_label_to_block_map to VEC(basic_block,gc) *.
13052 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13053 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13055 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13056 VEC(basic_block,heap) *.
13057 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13058 ssa_prop_fini): Adjust the uses of cfg_blocks.
13060 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13062 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13064 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13065 hashing trees instead of a pointer hash.
13066 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13067 compare for MEM_EXPR.
13069 PR rtl-optimization/25130
13070 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13071 when comparing MEMs for GCSE
13073 2006-01-03 Ben Elliston <bje@au.ibm.com>
13075 * targhooks.h (default_decimal_float_supported_p): Declare.
13076 * targhooks.c (default_decimal_float_supported_p): Define.
13077 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13078 `default_decimal_float_supported_p'.
13079 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13081 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13083 * combine.c (apply_distributive_law <SUBREG>): Check
13084 TRULY_NOOP_TRUNCATION.
13086 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13088 * dwarf2out.c (have_switched_text_section): Delete.
13089 (have_multiple_function_sections): New.
13090 (have_location_lists): Make 'bool'.
13091 (add_AT_loc_list): Use 'true' not '1'.
13092 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13093 (output_loc_list): Use have_multiple_function_sections.
13094 (output_ranges): Likewise.
13095 (dwarf2out_begin_function): Set have_multiple_function_sections if
13097 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13098 Check function_section rather than DECL_SECTION_NAME.
13099 (dwarf2out_finish): Use have_multiple_function_sections.
13100 Don't clear have_location_lists.
13102 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13103 Jan Hubicka <jh@suse.cz>
13105 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13106 case of conditional jump jumping to the next instruction.
13107 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13108 cases of conditional jump jumping to the next instruction.
13110 2006-01-02 Jan Hubicka <jh@suse.cz>
13112 * i386.c (*_cost): Add COSTS_N_INSNS.
13113 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13115 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13118 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13120 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13122 * config/arm/arm.c (all_fpus): Fix comment typo.
13123 * config/darwin.c: Likewise.
13124 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13125 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13126 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13128 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13130 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13131 (rs6000_split_compare_and_swapqhi): New.
13132 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13133 (sync_compare_and_swapqhi_internal): New.
13134 * config/rs6000/rs6000-protos.h: Declare.