1 2006-07-12 Mike Stump <mrs@apple.com>
4 * c-parser.c (c_parser_typeof_specifier): Don't use
5 c_finish_expr_stmt, open code desired semantics instead.
7 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9 2006-07-10 Eric Christopher <echristo@apple.com>
11 * config/t-slibgcc-darwin: Rewrite.
13 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
16 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
19 2006-07-08 Matthias Klose <doko@debian.org>
21 * doc/sourcebuild.texi: Fix typo.
23 2006-07-07 Mike Stump <mrs@apple.com>
25 * toplev.c (process_options): Don't give -ffunction-sections may
26 affect debugging warning for Mach-O.
28 2006-07-07 James E Wilson <wilson@specifix.com>
30 * config/mips/mips.md (cpu): Add sb1a.
31 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
32 addition to sb1. Adjust comments to clarify SB-1A differences from
34 (ir_sb1a_load): New. Modify bypasses to use it.
35 (ir_sb1a_simple_alu): Likewise.
36 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
37 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
38 (mips_issue_rate): Add PROCESSOR_SB1A.
39 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
40 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
41 (TARGET_SB1): Add PROCESSOR_SB1A check.
44 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
45 * config/mips/mips.c (mips_store_data_bypass_p): New.
46 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
49 2006-07-08 Paul Brook <paul@codesourcery.com>
52 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
54 2006-07-07 Richard Guenther <rguenther@suse.de>
57 * tree.h (build_one_cst): Declare.
58 * tree.c (build_one_cst): New function.
59 * tree-ssa-math-opts.c (get_constant_one): Remove.
60 (insert_reciprocals): Use build_one_cst.
61 * fold-const.c (fold_plusminus_mult): Likewise.
63 2006-07-07 Roger Sayle <roger@eyesopen.com>
65 * pointer-set.c (pointer_set_destroy): Correct whitespace.
66 * cfgloopanal.c (dump_graph): Likewise.
67 * dojump.c (discard_pending_stack_adjust): Likewise.
68 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
70 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
71 * function.c (finalize_block_changes): Likewise.
72 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
73 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
74 * rtl.c (dump_rtx_statistics): Likewise.
75 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
77 * varray.c (dump_varray_statistics): Likewise.
78 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
79 decode_decimal64, encode_decimal128, decode_decimal128,
80 decimal_real_to_decimal): Likewise.
82 2006-07-07 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/28187
85 * tree-vrp.c (vrp_operand_equal_p): New function.
86 (vrp_bitmap_equal_p): Likewise.
87 (update_value_range): Use them to compare old and new
90 2006-07-06 Roger Sayle <roger@eyesopen.com>
92 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
93 a default case to switch statement to silence compiler warnings.
95 2006-07-06 Roger Sayle <roger@eyesopen.com>
98 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
99 the configured assembler supports the x87's ffreep mnemonic.
100 * configure: Regenerate.
101 * config.in: Regenerate.
103 * config/i386/i386.c (output_387_ffreep): New function.
104 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
105 (output_387_reg_move): Likewise.
107 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
109 Port to hosts whose 'sort' and 'tail' implementations
110 treat operands with leading '+' as file names, as POSIX
111 has required since 2001. However, make sure the code still
112 works on pre-POSIX hosts.
113 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
114 which says you should use "tail -c +N" rather than "tail +Nc".
115 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
117 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
119 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
122 2006-07-06 David Edelsohn <edelsohn@gnu.org>
125 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
126 PRE_{INC,DEC} of TFmode.
128 2006-07-06 David Edelsohn <edelsohn@gnu.org>
129 Alan Modra <amodra@bigpond.net.au>
132 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
135 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
138 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
139 Remove duplicate gtu.
141 2006-07-05 Jason Merrill <jason@redhat.com>
145 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
146 * c-common.c (handle_packed_attribute): So don't copy it here.
147 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
149 2006-07-05 Mike Stump <mrs@apple.com>
151 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
153 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
156 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
158 2006-07-05 Richard Guenther <rguenther@suse.de>
161 * config/i386/i386.md (*negdf2_1): Restrict pattern to
162 TARGET_SSE2 targets if using SSE math.
163 (*absdf2_1): Likewise.
165 2006-07-05 Richard Guenther <rguenther@suse.de>
167 PR tree-optimization/28162
168 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
169 make sure to convert the operands to the correct type.
171 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
173 PR tree-optimization/28218
175 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
176 to calculate and free the dominator information.
178 2006-07-04 Peter O'Gorman <peter@pogma.com>
180 * mklibgcc.in: chmod 644 before ranlib during install.
182 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
183 J"orn Rennecke <joern.rennecke@st.com>
185 * configure.ac (.eh_frame data check): Use diff -b.
187 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
190 * Makefile.in (BUILD_RTL): Add build/vec.o.
191 (build/gencondmd.o): Filter out -fkeep-inline-functions.
192 (build/genextract): Delete.
193 (build/genautomata): Likewise.
195 2006-07-04 Alan Modra <amodra@bigpond.net.au>
198 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
199 128-bit IBM long doubles for ABI_V4.
201 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
203 * tree.c (range_in_array_bounds_p): New predicate.
204 * tree.h (range_in_array_bounds_p): Declare it.
205 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
206 return a less conservative answer.
207 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
209 (IS_ELEMENT_FOR_GROUP): New macro.
210 (FOR_EACH_ACTUAL_CHILD): Likewise.
211 (next_child_for_group): New helper function.
212 (can_completely_scalarize_p): Take into account groups.
213 (sra_hash_tree): Handle RANGE_EXPR.
214 (sra_elt_eq): Likewise.
215 (lookup_element): Be prepared for handling groups.
216 (is_valid_const_index): Delete.
217 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
218 instead of is_valid_const_index.
219 <ARRAY_RANGE_REF>: New case.
220 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
221 is_valid_const_index.
222 <ARRAY_RANGE_REF>: Do not unconditionally punt.
223 (scan_dump): Dump info for groups too.
224 (decide_instantiation_1): Likewise.
225 (decide_block_copy): Assert that the element is not a group.
226 Propagate decision to groups.
227 (generate_one_element_ref): Handle RANGE_EXPR.
228 (mark_no_warning): Iterate over actual childs.
229 (generate_copy_inout): Likewise.
230 (generate_element_copy): Likewise.
231 (generate_element_zero): Likewise.
232 (generate_element_init_1): Likewise.
233 (dump_sra_elt_name): Handle RANGE_EXPR.
235 2006-07-03 Roger Sayle <roger@eyesopen.com>
237 PR tree-optimization/26251
238 * tree-ssa-threadupdate.c (redirection_block_p): New function.
239 (thread_block): When optimizing for size refuse to thread jumps
240 that would require duplication of blocks other than redirection
243 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
245 * configure.ac: Fix thinko in previous check-in.
246 * configure: Regenerate.
248 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
251 * configure.ac (for lang...): Simplify nesting of conditionals.
252 Test subdir_requires for non-enabled languages. Move processing
253 of lang_opt_files and lang_tree_fiels below that test.
254 * configure: Regenerate.
255 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
257 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
259 * doc/gcov.texi (Invoking Gcov): Add a missing word.
261 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
263 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
266 2006-06-29 Jason Merrill <jason@redhat.com>
273 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
274 * c-common.c (c_determine_visibility): Handle it here.
275 * c-decl.c (finish_decl): Call c_determine_visibility for
277 * flags.h (enum symbol_visibility): Sort from most to least visibility.
279 * varasm.c (default_assemble_visibility): Likewise.
280 * c-common.c (handle_visibility_attribute): Complain about trying
281 to give visibility to an already defined class, or trying to change
282 declared visibility. Always attach the attribute.
287 * attribs.c (decl_attributes): Ignore type-in-place attributes
288 once the type has been defined.
290 2006-06-29 Roger Sayle <roger@eyesopen.com>
293 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
294 to indicate the cpplib has issued an error message for us.
296 2006-06-29 Asher Langton <langton2@llnl.gov>
299 * config/i386/i386.c (ix86_output_function_epilogue): Don't
300 insert a label at the end of an function under Mach-O.
302 2006-06-29 Eric Christopher <echristo@apple.com>
303 Evan Cheng <evan.cheng@apple.com>
305 * predicates.md (vector_all_ones_operand): New.
306 (nonimmediate_or_sse_const_operand): Ditto.
307 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
308 * config/i386/i386.c (standard_sse_constant_opcode): Define.
309 (standard_sse_mode_p): Ditto.
310 (standard_sse_constant_p): Add case for -1 vector.
311 (ix86_expand_vector_move): Try to use.
312 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
313 Call standard_sse_constant_opcode.
314 (*movv4sf_internal): Ditto.
315 (*movv2df_internal): Ditto.
317 2006-06-29 Roger Sayle <roger@eyesopen.com>
319 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
320 of XEXP to extract the operands of a MATCH_CODE rtx.
322 2006-06-28 Andrew Pinski <pinskia@gmail.com>
324 * tree.c (tree_size): Do not waste tail padding in
325 struct tree_string and make the size be the same as
326 build_string will generate.
328 2006-06-28 Jason Merrill <jason@redhat.com>
331 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
332 may_aliases already in the tag's annotations to the bitmap.
334 2006-06-28 Roger Sayle <roger@eyesopen.com>
336 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
338 2006-06-28 Roger Sayle <roger@eyesopen.com>
340 * genpreds.c (generate_switch_p): New function.
341 (add_mode_tests): Push the new mode test down inside an AND expr
342 if this allows the switch-suitable MATCH_CODE to be near the root.
343 (write_match_code_switch): New function to write a MATCH_CODE as
345 (write_predicate_stmts): New function to write a predicate RTX
346 expression as a sequence of statements.
347 (write_one_predicate_function): Use write_predicate_stmts.
348 (write_tm_constrs_h): Likewise.
350 2006-06-26 Fred Fish <fnf@specifix.com>
352 * config/mips/t-sb1: New file.
353 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
356 2006-06-26 DJ Delorie <dj@redhat.com>
358 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
360 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
361 Jayant Sonar <jayants@kpitcummins.com>
362 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
364 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
365 (subsi3, subsi3_1, subsi3_2): New.
366 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
367 * config/m32c/mov.md (SI mov peephole): New.
368 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
369 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
371 2006-06-26 Olivier Hainque <hainque@adacore.com>
373 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
374 a CALL_EXPR target function declaration.
376 2006-06-26 Richard Guenther <rguenther@suse.de>
378 * tree.c (build_string): Do not waste tail padding in
381 2006-06-26 Richard Guenther <rguenther@suse.de>
383 * ggc-page.c (init_ggc): Add missing element to size_lookup
387 2006-06-23 Richard Guenther <rguenther@suse.de>
389 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
390 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
391 alignment requests instead. Add verification code.
392 Add struct tree_function_decl and struct tree_binfo size to
393 extra_order_size_table. Add missing element to size_lookup
396 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
399 * fold-const.c (const_binop): Be prepared for self returning zero.
400 Simplify code handling complex values.
402 2006-06-24 Olivier Hainque <hainque@adacore.com>
404 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
405 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
408 2006-06-24 Olivier Hainque <hainque@adacore.com>
410 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
411 ARRAY_REF, so have the callback called for the low bound expression.
413 2006-06-23 Janis Johnson <janis187@us.ibm.com>
415 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
416 * c-typeck.c (c_common_type): Disallow operations on decimal float
417 types and other float types.
418 * convert.c (convert_to_real): Don't ignore conversions involving
421 2006-06-23 Olivier Hainque <hainque@adacore.com>
423 * tree.c (max_int_size_in_bytes): New function, inspired from
424 code in function.c:assign_temp.
425 * tree.h (max_int_size_in_bytes): Declare.
426 * function.c (assign_temp): Use it.
427 * gimplify.c (create_tmp_var): Relax the assertions on the type
428 properties, not mandating constant size any more.
429 (force_constant_size): New static function.
430 (gimple_add_tmp_var): Use it, forcing variable size to a
431 constant upper bound if it is not constant on entry.
433 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
436 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
437 for initialization and setting of one_only flag to ...
438 (i386_pe_encode_section_info): ...here.
439 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
440 Recheck that the symbol has not been defined.
442 2006-06-23 Richard Guenther <rguenther@suse.de>
444 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
445 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
446 alignment requests instead. Add verification code.
447 Add struct tree_function_decl and struct tree_binfo size to
448 extra_order_size_table. Add missing element to size_lookup
451 2006-06-22 Roger Sayle <roger@eyesopen.com>
452 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
455 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
456 call to lang_hooks.types.type_for_mode returned NULL_TREE.
458 2006-06-23 Ben Elliston <bje@au.ibm.com>
460 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
461 negate dn -- manipulate it directly.
463 2006-06-22 Roger Sayle <roger@eyesopen.com>
464 Steven Bosscher <stevenb.gcc@gmail.com>
467 * reload1.c (gen_reload): Call mark_jump_label on the new insns
468 generated by gen_move_insn to add REG_LABEL notes if necessary.
470 2006-06-22 Bob Wilson <bob.wilson@acm.org>
472 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
473 (leaf_entry): Remove use of MIN_ESA.
475 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
477 PR rtl-optimization/28121
478 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
481 2006-06-21 DJ Delorie <dj@redhat.com>
483 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
485 (mulhisi3_r): Likewise.
487 2006-06-21 Richard Sandiford <richard@codesourcery.com>
490 * coverage.c (coverage_counter_alloc): Leave the index type
492 (coverage_counter_alloc): Use null arguments for operands 2 and 3
495 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
497 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
498 section from the "Options for Code Generation Conventions".
500 2006-06-21 Richard Henderson <rth@redhat.com>
504 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
506 (global_symbolic_operand): Allow weak symbols, even if local_p.
508 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
510 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
511 (find_interesting_uses_address): Punt if above function returns true.
513 2006-06-21 Richard Guenther <rguenther@suse.de>
515 * configure: Regenerated.
517 2006-06-21 Joseph Myers <joseph@codesourcery.com>
519 * config/mips/mips.c (function_arg): Where one part of a
520 complex argument is in registers and the other part in the stack,
521 return a REG not a PARALLEL.
523 2006-06-21 Mark Mitchell <mark@codesourcery.com>
525 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
526 when cross-compiling. Do not substitute libstdcxx_incdir.
527 * configure: Regenerated.
529 2006-06-21 Jakub Jelinek <jakub@redhat.com>
531 * varasm.c (mergeable_string_section): Check for embedded NULs and
532 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
533 rather than TREE_STRING_LENGTH bytes.
535 2006-06-21 Richard Guenther <rguenther@suse.de>
537 * ggc-page.c (extra_order_size_table): Add var_ann_d,
538 tree_ssa_name, bitmap_element and phi_node with 4 arguments
541 2006-06-21 Richrad Guenther <rguenther@suse.de>
543 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
544 Limit iteration over the dominators.
546 2006-06-20 Roger Sayle <roger@eyesopen.com>
548 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
549 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
551 2006-06-20 Richard Guenther <rguenther@suse.de>
552 Michael Matz <matz@suse.de>
554 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
556 * alloc-pool.c (free_alloc_pool_if_empty): New function.
557 * et-forest.h (et_free_pools): Prototype new function.
558 * et-forest.c (et_free_tree_force): Free parent occurrence.
559 (et_free_pools): New function.
560 * dominance.c (free_dominance_info): Free et-forest alloc
563 2006-06-20 Roger Sayle <roger@eyesopen.com>
565 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
566 integer modes, attempt to directly construct an integer constant.
568 * fold-const.c (native_encode_vector): Determine the size of each
569 element from the vector type instead of the first vector element.
571 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
572 if all of its elements/components are constant.
573 (build_constructor_from_list): Likewise.
575 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
577 PR tree-optimization/27331
578 * tree-data-ref.c (free_data_ref): New function.
579 (create_data_ref): Fail if the data reference has unknown access
581 (free_data_refs): Use free_data_ref.
583 2006-06-19 Andrew Pinski <pinskia@gmail.com>
586 * tree-inline.c (setup_one_parameter): Strip useless
587 type conversion before adding it to the IR.
588 (declare_return_variable): Likewise.
590 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
593 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
595 2006-06-19 Mike Stump <mrs@apple.com>
597 * tree.c (variably_modified_type_p): VM arguments don't make the
600 2006-06-19 Richard Guenther <rguenther@suse.de>
602 * tree-ssa-pre.c (try_combine_conversion): Strip useless
603 type conversions after folding.
605 2006-06-19 Richard Guenther <rguenther@suse.de>
607 * ggc-page.c (extra_order_size_tab): Add entries with
608 size of struct function and basic_block.
609 (size_lookup): Extend to cover sizes up to 511.
610 (ggc_alloc_stat): Adjust user.
611 (ggc_pch_count_object): Likewise.
612 (ggc_pch_alloc_object): Likewise.
613 (ggc_pch_write_object): Likewise.
615 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
617 * tree-ssa-loop-niter.c (implies_ge_p): New function.
618 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
621 2006-06-19 Denis Chertykov <denisc@overta.ru>
623 * config/avr/libgcc.S : Correct my wrong previous commit.
625 2006-06-19 Roger Sayle <roger@eyesopen.com>
628 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
629 have stripped a SUBREG from the shift count, so we may need to
630 convert_to_mode back to the type's mode before calling make_tree.
631 Use new_amount instead of amount to avoid expanding a tree twice.
633 2006-06-19 Richard Guenther <rguenther@suse.de>
636 * fold-const.c (operand_equal_p): Check if the argument types
637 have the same precision before stripping NOPs.
639 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
641 Fix PR tree-optimization/27341
642 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
644 * tree-complex.c (pass_lower_complex): Update SMT usage.
646 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
648 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
649 Add a new alternative to the constraint strings. Add move of
650 operand 1 to 3 to the splitter definition.
651 ("doloop_si_long"): Second contraint alternative removed.
653 2006-06-08 Anatoly Sokolov <aesok@post.ru>
655 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
656 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
658 (AVR_HAVE_MOVW) Define.
659 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
660 (ASM_SPEC): Add avr25.
661 (LINK_SPEC): Add avr25.
662 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
663 (base_arch_s): Add new member 'have_movw_lpmx'.
664 (avr_arch_types): Init 'have_movw_lpmx'.
665 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
666 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
667 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
668 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
669 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
671 (avr_file_start): Do not output '.arh' derective.
672 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
673 (__do_copy_data): Use __AVR_HAVE_LPMX__.
674 * config/avr/avr.md (mcu_enhanced): Delete.
675 (mcu_have_movw): Define.
676 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
677 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
678 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
679 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
680 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
681 attiny861 and at86rf401 devices.
683 2006-06-18 Jie Zhang <jie.zhang@analog.com>
685 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
688 2006-06-17 Karl Berry <karl@gnu.org>
690 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
691 doc/gccint.texi, doc/install.texi (@dircategory): Use
692 "Software development" instead of "Programming", following
693 the Free Software Directory.
695 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
697 * config/i386/i386.c (legitimate_tls_address)
698 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
699 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
700 (*tls_dynamic_gnu2_combine_64): Likewise.
702 2006-06-16 Richard Guenther <rguenther@suse.de>
705 * fold-const.c (negate_expr_p): Do not introduce undefined
706 overflow in negating INTEGER_CSTs.
707 (fold_negate_expr): Rename from negate_expr. Revert last
708 change for folding BIT_NOT_EXPR. Change semantics to
709 return NULL_TREE for non-simplified negations. Do not
710 strip type conversions and unify type handling.
711 (negate_expr): New function, wrap around fold_negate_expr
712 but ensure building a tree always. Strip type conversions
713 here, fold to result type.
714 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
716 2006-06-16 Roger Sayle <roger@eyesopen.com>
719 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
720 that (would) return their results in stack registers.
722 2006-06-16 Michael Matz <matz@suse.de>
723 Richard Guenther <rguenther@suse.de>
725 * fold-const.c (fold_truthop): Only return new tree node if
726 we canonicalized something.
728 2006-06-16 Richard Guenther <rguenther@suse.de>
730 * function.h (enum function_frequency): Move declaration
731 out of struct function.
732 (struct function): Move bool fields and the enum to the bitfield
733 section. Reorder elements to avoid padding. Remove unused
734 fields left over from the RTL inliner removal.
735 * function.c (free_after_compilation): Do not zero removed fields.
736 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
737 (ipa-type-escape.o): Likewise.
739 2006-06-16 Richard Guenther <rguenther@suse.de>
741 * cgraph.h (struct cgraph_local_info): Turn bool elements
743 (struct cgraph_node): Likewise.
744 (struct cgraph_varpool_node): Likewise.
746 2006-06-15 Richard Guenther <rguenther@suse.de>
748 * fold-const.c (fold_truth_not_expr): Rename from
749 invert_truthvalue. Give it fold_* semantics to avoid
751 (invert_truthvalue): New function. Wrapper around
753 (optimize_minmax_comparison): Avoid creating garbage.
754 (fold_unary): Use fold_truth_not_expr for folding
756 (fold_ternary): Replace uses of invert_truthvalue with
757 fold_truth_not_expr where applicable.
758 * tree.h (fold_truth_not_expr): Prototype.
760 2006-06-16 Richard Guenther <rguenther@suse.de>
762 PR tree-optimization/27781
763 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
764 * ipa-pure-const.c (target.h): Include.
765 (analyze_function): Do not analyze functions that do not
768 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
771 * tree-dfa.c (referenced_vars_dup_list): Remove.
772 (find_referenced_vars): Remove assert.
773 (referenced_var_check_and_insert): Replace dup list with assert.
774 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
775 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
777 2006-06-15 Richard Guenther <rguenther@suse.de>
779 * tree-ssa-structalias.c (alias_get_name): Avoid creating
780 extra unused identifiers if not dumping.
781 (create_variable_info_for): Likewise.
783 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
785 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
786 (derive_constant_upper_bound): Derive more precise upper bound in
787 common cases. Return type changed to double_int.
788 (record_estimate): Reflect the changed return type of
789 derive_constant_upper_bound.
790 * double-int.c (double_int_zext, double_int_sext): Fix.
792 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
794 * configure.ac (CFLAGS): Get them from the toplevel or from the
795 configure invocation.
796 * configure: Regenerate.
797 * Makefile.in (CFLAGS): Substitute value provided by configure.
799 2006-06-14 Mark Mitchell <mark@codesourcery.com>
802 * c-common.h (c_finish_omp_atomic): Adjust declaration.
803 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
804 rather than calling add_stmt on it.
805 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
807 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
810 * reload1.c (reload): Remove registers returned by update_eliminables
811 from used_spill_regs.
813 2006-06-13 DJ Delorie <dj@redhat.com>
815 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
817 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
819 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
820 html__strip_dir, html__mkdir_p. Enhance install-html target.
821 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
822 * configure: Regenerate.
824 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
826 * fold-const.c (fold_cond_expr_with_comparison): Check for
827 Objective-C++ as language in deciding COND_EXPR transformation.
829 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
832 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
833 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
834 * config/sh/lib1funcs.h (SL, SL1): Define.
835 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
836 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
837 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
838 (OBJS_Os_4_200): New variable.
839 ($(T)libgcc-Os-4-200.a): Use it.
840 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
841 when dividing 1 and/or by 0.
843 2006-06-13 Roger Sayle <roger@eyesopen.com>
845 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
846 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
847 * configure: Regenerate.
849 2006-06-13 Jie Zhang <jie.zhang@analog.com>
851 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
852 for real instruction.
854 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
857 * haifa-sched.c (check_cfg): Handle special case.
859 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
862 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
863 Add debug_info parameter. Chain the vars to the BLOCK instead
864 of the BIND_EXPR if debug info are requested for them.
865 (pop_gimplify_context): Adjust for above change.
866 (gimple_add_tmp_var): Likewise.
867 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
869 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
870 (convert_local_reference): Likewise.
871 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
872 (finalize_nesting_tree_1): Request that debug info be emitted
875 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
877 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
880 2006-06-13 Richard Guenther <rguenther@suse.de>
883 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
885 2006-06-13 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/27830
888 * tree-inline.c (copy_body_r): For copying the operand
889 of an ADDR_EXPR make sure to fold &* afterwards.
891 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
893 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
894 lvalues in the fb_none case with side-effects.
896 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
898 * tree-flow.h: Remove the prototype for
899 compute_phi_arg_on_exit.
900 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
901 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
904 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
906 * builtins.c (expand_builtin_return_addr): Only use
907 frame_pointer_rtx when count == 0 and we are expanding
908 __builtin_return_address.
910 2006-06-12 Fred Fish <fnf@specifix.com>
912 * config/mips/mips.c (mips_file_start): Create special section
913 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
915 2006-06-11 Eric Christopher <echristo@apple.com>
918 * stor-layout.c (place_field): Remove check for
919 remaining_in_alignment when aligning at the end of a run.
921 2006-06-11 Eric Christopher <echristo@apple.com>
924 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
927 2006-06-11 Roger Sayle <roger@eyesopen.com>
930 Revert incorrect fix for PR target/27158
931 2006-05-08 Roger Sayle <roger@eyesopen.com>
932 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
933 of a reg_equiv_constant if the result is a legitimate constant.
935 2006-06-11 Roger Sayle <roger@eyesopen.com>
938 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
939 extract a CONST_VECTOR element and interpret it as an integer.
940 (vspltis_constant): Use const_vector_elt_as_int instead of the
941 macro CONST_VECTOR_ELT in order to handle FP vector modes.
942 * config/rs6000/predicates.md (easy_vector_const): Consider
943 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
945 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
948 * stor-layout.c (update_alignment_for_field): Don't add extra
949 alignment for packed non-bitfield fields in ms_bitfield_layout_p
952 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
954 * config/mips/t-rtems: Add EL/EB multilib variants.
956 2006-06-09 Mike Stump <mrs@apple.com>
958 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
960 2006-06-09 David Daney <ddaney@avtrex.com>
962 * doc/install.texi: Add binutils version recommendation for mips-*-*.
964 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
966 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
968 2006-06-09 Richard Guenther <rguenther@suse.de>
970 PR tree-optimization/26998
971 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
972 of signed types, only TYPE_MIN_VALUE is special, but for both,
973 minimum and maximum value. Likewise VR_ANTI_RANGE is special
974 in this case, as is -fwrapv.
976 2006-06-08 Mike Stump <mrs@apple.com>
979 * config/darwin.c (darwin_asm_output_anchor): Disable
980 -fsection-anchors on darwin for now.
981 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
982 * rs6000/rs6000.c (optimization_options): Likewise.
984 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
987 * config/i386/i386.c (classify_argument): Skip fields with invalid
990 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
992 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
993 (cse_insn): Likewise for the stack_pointer_rtx.
995 2006-06-08 Roger Sayle <roger@eyesopen.com>
997 * tree-ssa-dom.c (record_conditions): Only record "unordered"
998 conditions from floating point comparisons.
1000 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1003 * expmed.c (struct alg_hash_entry): Fix type of field T
1004 to match synth_mult argument.
1005 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1007 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1010 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1013 2006-06-08 Richard Guenther <rguenther@suse.de>
1016 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1017 only, if overflow is defined and not trapping.
1018 (negate_expr): Likewise.
1020 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1022 PR tree-optimization/27872
1023 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1024 flag on the new exit edge of the unrolled loop.
1026 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1028 PR rtl-optimization/26449
1029 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1031 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1034 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1035 referenced_variables with matching DECL_UID's.
1036 (find_referenced_vars): Make sure duplicate list is empty to start.
1037 (referenced_var_p): Remove.
1038 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1039 Check if var is in the list, and add if needed. Update the duplicate
1040 list if a different var is in the list with the same DECL_UID.
1041 (add_referenced_var): Call routine to check and insert.
1042 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1043 * tree-flow.h (referenced_vars_dup_list): External declaration.
1045 2006-06-07 Fred Fish <fnf@specifix.com>
1047 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1050 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1053 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1054 the imaginary and real parts of a clobbered register.
1055 Emit insn to set the imaginary part.
1057 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1059 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1060 in lieu of unwind-dw2-fde.c.
1062 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1064 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1066 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1069 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1070 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1071 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1072 V4SImode temporaries and operations instead.
1074 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1076 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1079 2006-06-06 Mike Stump <mrs@apple.com>
1081 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1082 installing during build.
1084 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1086 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1088 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1089 * config/ia64/ia64.c (params.h): New header.
1090 (ia64_optimization_options): New function to adjust parameters.
1091 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1092 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1093 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1095 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1097 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1099 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1102 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1104 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1105 Victor Kaplansky <victork@il.ibm.com>
1107 PR tree-optimization/26360
1108 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1111 2006-06-04 Roger Sayle <roger@eyesopen.com>
1112 Andrew Pinski <pinskia@physics.uc.edu>
1115 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1116 for LABEL_DECL before calling DECL_WEAK.
1119 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1120 LABEL_DECL and PARM_DECL.
1122 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1126 * c-decl.c (grokdeclarator): Disallow variably modified types at
1127 file scope. Avoid marking shared array type of constant size as
1130 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1133 * c-common.c (fold_offsetof_1): Handle static members.
1135 2006-06-04 Eric Christopher <echristo@apple.com>
1137 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1138 (debug_rli): Output value for remaining_in_alignment.
1139 (update_alignment_for_field): Unconditionalize
1140 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1141 extra alignment code.
1142 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1143 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1144 * tree.h (record_layout_info_s): Remove prev_packed.
1145 * doc/extend.texi (ms_struct): Add documentation of format.
1147 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1149 * tree.h: Declare folding_initializer.
1150 * builtins.c (fold_builtin_constant_p): Give definite answer
1151 if folding inside an initializer.
1152 * fold-const.c: Define folding_initializer.
1153 (START_FOLD_INIT): Save and then set folding_initializer.
1154 (END_FOLD_INIT): Restore folding_initializer.
1156 2006-06-04 Richard Guenther <rguenther@suse.de>
1158 PR tree-optimization/27039
1159 * fold-const.c (fold_comparison): Handle pointer comparison
1160 again for all comparison codes. Compare offsets in signed
1162 (fold_binary): Move code from here.
1164 2006-06-03 Roger Sayle <roger@eyesopen.com>
1167 * config/i386/i386.c (construct_container): Split static issued_error
1168 flag into issued_sse_arg_error, issued_sse_ret_error and
1169 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1170 requires the use of x87 registers and the user explicitly
1171 specified the -mno-80387 command line option.
1173 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1175 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1176 HAVE_DECL_SIGALTSTACK.
1178 (segv_handler): Use MC_FLD.
1179 * configure.ac: Check for a sigaltstack declaration.
1180 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1181 * configure: Regenerate.
1182 * config.in: Regenerate.
1184 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1187 * Makefile.in (stmp-fixinc): Fix typo.
1189 2006-06-02 Roger Sayle <roger@eyesopen.com>
1191 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1192 are type correct. Clean-up.
1193 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1194 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1196 2006-06-01 DJ Delorie <dj@redhat.com>
1198 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1199 shift, as we've disabled the "switch" insn that needs it.
1201 2006-06-01 Per Bothner <bothner@bothner.com>
1203 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1204 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1205 * c-ppoutput.c (cb_define): Don't increment line 0.
1207 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1209 * doc/invoke.texi: Add cpu_type power6.
1210 * config.gcc: Add cpu_type power6.
1211 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1212 to power5+ with Altivec.
1213 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1214 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1216 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1218 * config/avr/avr.h (SET_ASM_OP): Define.
1220 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1222 * config/bfin/bfin.c: Fix comment typos.
1224 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1227 * doc/install.texi: Document --enable-bootstrap and
1228 --disable-bootstrap.
1230 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1232 * doc/install.texi: Document that InfoZIP can replace jar.
1234 2006-05-31 Roger Sayle <roger@eyesopen.com>
1236 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1237 isn't available, directly generate the simpler x87 patterns without
1238 the (use (const_int 0)).
1239 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1240 implementation isn't available.
1241 (*negdf2_1): Likewise.
1242 (*negxf2_1): XF mode negation is always done using the x87.
1243 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1245 2006-05-31 Roger Sayle <roger@eyesopen.com>
1247 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1248 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1250 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1252 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1254 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1255 * config/bfin/bfin.c (basic-block.h): Include.
1256 (struct machine_function): New.
1257 (bfin_init_machine_status): New.
1258 (override_options): Initialize init_machine_status.
1259 (bfin_hardware_loop): New.
1260 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1261 (DEF_VEC_P (loop_info)): New.
1262 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1263 (struct loop_info): New.
1264 (loop_info): New typedef.
1265 (struct loop_work): New.
1266 (loop_work): New typedef.
1267 (DEF_VEC_O (loop_work)): New.
1268 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1269 (bfin_dump_loops): New.
1270 (bfin_bb_in_loop): New.
1271 (bfin_scan_loop): New.
1272 (bfin_optimize_loop): New.
1273 (bfin_reorg_loops): New.
1274 (bfin_reorg): Use bfin_reorg_loops.
1275 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1277 (I_REGNO_P): Simplify.
1278 (DP_REGNO_P, DPREG_P): New macros.
1279 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1280 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1281 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1282 Add LT_REGS, LC_REGS, LB_REGS.
1283 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1285 (REGNO_REG_CLASS): Deal with loop registers.
1286 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1288 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1289 New constants for loop registers.
1290 (UNSPEC_LSETUP_END): New.
1291 (seq_insns): New define_attr. Set it for appropriate insns.
1292 (movsi_insn): Add alternatives for move from/to
1293 loop count registers.
1294 (doloop_end): New define_expand.
1295 (loop_end): New define_insn.
1296 (define_split for bad doloop_end): New.
1297 (lsetup_with_autoinit): New define_insn.
1298 (lsetup_without_autoinit): New define_insn.
1299 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1300 * config/bfin/predicates.md (lc_register_operand): New.
1301 (lt_register_operand): New.
1302 (lb_register_operand): New.
1303 (nondp_register_operand): New.
1304 (nondp_reg_or_memory_operand): New.
1305 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1307 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1309 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1310 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1312 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1314 * Makefile.in (CATALOGS): Add po/ prefix.
1315 * configure: Regenerated.
1317 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1320 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1321 a shift operand before calling shift_op. Avoid redundant call of
1324 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1325 DJ Delorie <dj@redhat.com>
1327 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1328 we're inserting is a singlt-bit constant.
1330 2006-05-30 Roger Sayle <roger@eyesopen.com>
1332 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1333 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1335 2006-05-30 Roger Sayle <roger@eyesopen.com>
1337 PR tree-optimization/23452
1338 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1339 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1340 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1341 complex values and with -ffast-math for FP complex values.
1343 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1345 * c-common.h: Remove the prototype for yyparse.
1346 * rtl.h: Remove the prototype for init_loop.
1348 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1350 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1353 2006-05-30 Roger Sayle <roger@eyesopen.com>
1355 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1357 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1358 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1360 2006-05-30 Dirk Mueller <dmueller@suse.de>
1363 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1364 for CONSTANT_CLASS_P expresisons.
1366 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1369 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1371 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1373 PR tree-optimization/27779
1374 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1375 initial_condition instead of CHREC_LEFT.
1377 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1379 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1380 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1381 Make prototypes ISO C90.
1383 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1384 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1386 * see.c (see_analyze_one_def): Correct check.
1387 (see_get_extension_data): Check if extension is parallel.
1388 (see_get_extension_reg): Likewise.
1390 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1393 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1394 into register for (code == GTU).
1396 2006-05-29 Roger Sayle <roger@eyesopen.com>
1398 PR tree-optimization/24964
1399 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1400 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1401 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1402 abs(x)*abs(x) as x*x for scalar floating point modes.
1404 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1407 * lambda-code.c (perfect_nestify): Don't copy statements
1408 in the inner loop: move them to the inner loop header.
1410 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1413 * c-tree.texi: Document OpenMP directives and clauses.
1415 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1417 * varasm.c (globalize_decl): Fix indentation.
1419 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1422 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1423 pass_fre, pass_store_ccp, pass_copy_prop,
1424 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1425 pass_return_slot, pass_object_size, pass_lim,
1426 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1427 pass_loop_prefetch and pass_stdarg.
1429 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1431 * config/bfin/bfin.opt (mfdpic): New option.
1432 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1433 (EXTRA_MULTILIB_PARTS): Likewise.
1434 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1435 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1437 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1438 (CRT_CALL_STATIC_FUNCTION): New.
1439 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1441 (CRT_CALL_STATIC_FUNCTION): New.
1442 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1444 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1445 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1446 (initialize_trampoline): Changed to handle FD-PIC code generation.
1447 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1448 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1449 (override_options): Disallow -mid-shared-library -mfdpic combination.
1450 Can't do unaligned ops if FD-PIC.
1451 Turn off flag_pic if trying to generate non-id-shared-library
1452 non-fdpic code, since it's not supported.
1453 (bfin_assemble_integer): New function.
1454 (TARGET_ASM_INTEGER): Define.
1455 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1457 * config/bfin/crtn.s: Restore them.
1458 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1460 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1461 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1462 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1463 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1464 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1466 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1467 FDPIC_REGS and FDPIC_FPTR_REGS.
1468 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1469 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1470 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1471 (load_funcdescsi): New pattern.
1472 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1473 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1474 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1476 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1478 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1481 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1483 * tree-flow.h: Remove the prototype for add_type_alias.
1484 * tree-ssa-alias.c (add_type_alias): Remove.
1486 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1488 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1489 config/fr30/fr30.md, config/i386/i386-interix.h,
1490 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1491 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1492 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1493 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1494 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1495 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1496 Follow spelling conventions.
1497 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1498 Follow spelling conventions.
1500 2006-05-27 Richard Guenther <rguenther@suse.de>
1503 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1504 to produce a constant of value 1 of generic type.
1506 2006-05-27 Dirk Mueller <dmueller@suse.de>
1508 * cgraphunit.c (decide_is_function_needed): Fix wrong
1511 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1513 PR rtl-optimization/27661
1514 * reload.c (find_reloads): When reloading a VOIDmode constant
1515 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1516 use Pmode as mode of the reload register.
1518 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1520 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1521 is enabled at -O and above.
1523 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1526 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1529 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1532 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1533 for anonymous variables explicitly declared by front ends.
1535 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1537 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1538 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1539 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1540 ref-all pointers, run a finalization pass for them.
1541 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1542 (finalize_ref_all_pointers): New function.
1543 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1544 regular pointer type to a ref-all pointer type.
1545 (get_tmt_for): Return the special memory tag for ref-all pointers.
1547 2006-05-25 Richard Guenther <rguenther@suse.de>
1550 * fold-const.c (fold_binary): Do not look at the stripped
1551 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1553 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1555 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1556 for LT and GT if the computed range is effectively empty.
1558 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1561 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1562 mips_quad_format formats instead of ieee_single_format,
1563 ieee_double_format and ieee_quad_format formats, respectively.
1565 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1567 PR tree-optimization/27639
1568 PR tree-optimization/26719
1569 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1570 call to scev_probably_wraps_p.
1571 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1572 used_in_pointer_arithmetic_p, convert_step): Removed.
1573 (nowrap_type_p): New function.
1574 (scev_probably_wraps_p): Rewritten.
1575 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1576 chrec_convert if chrec_convert_aggressive might have been used.
1577 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1578 scev_direction): New functions.
1579 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1580 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1581 instead of convert_step.
1582 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1583 (convert_step): Declaration removed.
1584 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1586 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1588 * df-core.c: Added to header comments.
1589 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1590 df_ur_bb_info, df_urec_bb_info): Added comments.
1591 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1592 urec, ri problems): Fixed header comments.
1593 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1594 code from df_rd_transfer_function.
1596 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1598 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1599 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1600 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1602 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1604 * expr.c (undefined_operand_subword_p): New.
1605 (emit_move_multi_word): Do not generate move from undefined bits
1606 of a paradoxical subreg.
1608 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1610 PR rtl-optimization/27736
1611 * combine.c (replaced_rhs_value): New variable.
1612 (combine_instructions): Set it.
1613 (distribute_notes): When distributing a note in replaced_rhs_insn,
1614 check whether the value was used in replaced_rhs_value.
1616 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1619 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1620 add_referenced_var instead of add_referenced_tmp_var.
1621 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1622 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1624 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1625 tree_optimize_tail_calls_1): Use add_referenced_var.
1626 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1627 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1628 Use add_referenced_var.
1629 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1630 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1631 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1632 Use add_referenced_var.
1633 * tree-dfa.c (struct walk_state): Remove.
1634 (find_referenced_vars): Remove walk state and vars_found hash table.
1635 (make_rename_temp): Use add_referenced_var.
1636 (find_vars_r): Pass less parameters to add_referenced_var.
1637 (referenced_var_p): New. Is var in referenced_var hash table.
1638 (referenced_var_insert): Assert var isn't already in hash table.
1639 (add_referenced_var): Don't need walk_state parameter. Add var if it
1640 isn't already in the hash table.
1641 (add_referenced_tmp_var): Remove.
1642 (find_new_referenced_vars_1): Use add_referenced_var.
1643 * tree-ssa-pre.c (create_expression_by_pieces,
1644 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1645 Use add_referenced_var.
1646 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1647 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1648 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1650 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1651 vect_create_data_ref_ptr, vect_create_destination_var,
1652 vect_init_vector, vect_build_loop_niters,
1653 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1654 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1655 Use add_referenced_var.
1656 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1657 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1658 (add_referenced_var): Add prototype.
1659 * tree-ssa-structalias.c (get_constraint_for,
1660 intra_create_variable_infos): Use add_referenced_var.
1662 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1664 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1665 big-endian paradoxical subregs.
1666 * var-tracking.c (struct micro_operation_def): Document that,
1667 for modify micro operations, insn is the subsequent instruction.
1668 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1669 (var_reg_set, var_mem_set): ... new functions.
1670 (add_stores): Record subsequent insn.
1671 (compute_bb_dataflow): Use new functions for MO_USE.
1672 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1673 notes after the insn, and modify notes before the insn known
1674 to be the subsequent one.
1675 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1677 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1680 * config/i386/i386.c (ix86_expand_builtin): Use
1681 gen_sse3_monitor64 for TARGET_64BIT.
1683 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1685 PR rtl-optimization/26375
1686 PR rtl-optimization/26855
1687 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1689 (df_ru_bb_local_compute): Reversed statements and removed bogus
1690 comment explaining why they should be in wrong order.
1691 (df_ru_dump, df_rd_dump): Enhanced debug info.
1692 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1694 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1695 reaching uses and fixed space problem.
1697 2006-05-23 Jan Hubicka <jh@suse.cz>
1699 * cgraphunit.c (decide_is_function_needed): Also nested functions
1700 and functions declared inline can be optimized out at -O0.
1702 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1704 * doc/install.texi (Configuration): Remove reference to CrossGCC
1708 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1711 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1712 ix86_compare_emitted is non-NULL.
1714 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1717 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1720 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1722 PR rtl-optimization/25514
1723 * combine.c (replaced_rhs_insn): New variable.
1724 (combine_instructions): Set replaced_rhs_insn when trying to replace
1725 a SET_SRC with a REG_EQUAL note.
1726 (distribute_notes): Use replaced_rhs_insn when determining the live
1727 range of a REG_DEAD register.
1729 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1730 Anatoly Sokolov <aesok@post.ru>
1732 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1733 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1734 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1735 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1736 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1737 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1738 at90usb647, at90usb1286 and at90usb1287 devices.
1739 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1740 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1742 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1744 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1746 2006-05-22 Richard Guenther <rguenther@suse.de>
1749 2006-01-31 Richard Guenther <rguenther@suse.de>
1750 Paolo Bonzini <bonzini@gnu.org>
1752 * doc/install.texi (--disable-libgcc-math): Document.
1754 2006-05-22 Richard Guenther <rguenther@suse.de>
1757 2006-01-31 Richard Guenther <rguenther@suse.de>
1759 * doc/invoke.texi (-msselibm): Document.
1760 * target.h (expand_library_builtin): New target hook.
1761 * builtins.c (expand_builtin): Use expand_library_builtin.
1762 (default_expand_library_builtin): New function.
1763 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1764 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1765 (link_gcc_math_spec): Declare.
1766 (static_specs): Add link_gcc_math_spec.
1767 * expr.h (default_expand_library_builtin): Declare.
1768 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1769 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1770 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1771 * config/i386/i386.opt (msselibm): New target option.
1772 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1773 (ix86_init_sse_abi_builtins): New function.
1774 (ix86_expand_library_builtin): Likewise.
1775 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1776 (override_options): Handle error conditions wrt -msselibm.
1777 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1778 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1779 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1782 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1785 * c-common.c (self_promoting_args_p): Skip erroneous args.
1788 * c-decl.c (finish_struct): Skip erroneous fields.
1790 2006-05-22 Nick Clifton <nickc@redhat.com>
1792 * config/cris/cris.opt (march): Remove VarExists attribute.
1793 (max-stackframe=): Likewise.
1795 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1797 * doc/rtl.texi: Fix a typo.
1798 * see.c: Fix comment typos.
1800 * tree-ssa-structalias.h (alias_info): Remove num_references.
1802 2006-05-21 Mike Stump <mrs@apple.com>
1804 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1806 (darwin_pragma_options): Use BAD instead.
1807 (darwin_pragma_unused): Likewise.
1808 (darwin_pragma_ms_struct): Likewise.
1810 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1812 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1814 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1816 PR rtl-optimization/27671
1817 * simplify-rtx.c (simplify_relational_operation_1): Fix
1818 simplifications of (eq/ne (xor x y) y) and
1819 (eq/ne (xor x y) x).
1821 PR tree-optimization/26622.
1822 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1825 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1827 * tree-cfg.c: Prune whitespace.
1828 (debug_tree_cfg): Point to correct header containing the
1831 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1834 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1836 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1839 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1840 or sorry count is non zero.
1842 2006-05-20 Andreas Schwab <schwab@suse.de>
1844 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1846 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1847 Kenneth Zadeck <zadeck@naturalbridge.com>
1849 PR rtl-optimization/26855
1851 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1853 (df_scan_alloc): Added code to properly handle multiword hard
1854 registers and add all_blocks parameter.
1855 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1856 code to properly handle multiword hard registers.
1857 (df_rescan_blocks): Added code to remove deleted blocks from
1859 (df_ref_create_structure, df_ref_record): Added code to properly
1861 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1862 and set DF_REF_PARTIAL.
1863 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1864 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1865 (df_scan_add_problem): Added flags parameter.
1866 (df_ref_create_structure): Changed switching structure.
1867 (df_bb_refs_record): Fixed case where duplicate artificial refs
1868 were created. Changed location of flags.
1869 (df_record_entry_block_defs): Added code to make stack pointer
1870 live in entry block. Refined cases where frame pointer is needed.
1871 Changed location of flags.
1872 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1873 (df_set_state): Removed function.
1874 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1875 df_insn_create_insn_record, df_insn_refs_delete,
1876 df_ref_create_structure): Formatting changes.
1877 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1878 df_delete_basic_block): New function.
1879 (df_init): Changed location of flags.
1880 (df_add_problem): Added flags parameter and the way flags are
1882 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1883 debug_df_chain): Improved debugging output.
1884 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1885 (df_refs_chain_dump): Removed df parameter.
1886 (df_iterative_dataflow): Added consistency check.
1887 (df_prune_to_subcfg): Made public.
1888 (df_analyze_problem): Added blocks_to_init parameter and made
1890 (df_ref_record, df_bb_refs_record, df_mark_reg,
1891 df_record_exit_block_uses): Whitespace changes.
1892 (df_dump): Whitespace changes.
1893 * df.h: Some reordering to remove forward references.
1894 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1895 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1896 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1897 (dataflow.flags): New field.
1898 (df.flag): Deleted field.
1899 (df_alloc_function): Added additional bitmap parameter.
1900 (df_dependent_problem_function): New type.
1901 (df_problem.changeable_flags): New field.
1902 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1903 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1904 (df_mw_hardreg): New struct.
1905 (DF_INSN_UID_MWS): New macro.
1906 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1908 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1909 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1910 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1911 (df_set_state): Removed function.
1912 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1913 * df-problems.c (df_chain_dump): Removed df parameter.
1914 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1915 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1917 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1918 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1919 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1920 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1921 DF_REF_MUST_CLOBBER cases.
1922 (df_ru_bb_local_compute_process_def,
1923 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1924 df_lr_bb_local_compute, df_ur_bb_local_compute,
1925 df_chain_create_bb): Made subreg aware.
1926 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1927 df_lr_bb_local_compute, df_lr_bb_local_compute,
1928 df_chain_create_bb): Cleanup to use proper macros.
1929 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1930 code to fixup bitvectors.
1931 (df_ri_alloc): Cleared lifetime.
1932 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1933 df_create_unused_note): New function.
1934 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1935 REG_DEAD and REG_UNUSED notes as well as register information.
1936 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1937 df_chains_dump): Fixed crash if problem was never run.
1938 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1939 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1940 df_ri_add_problem): Processes flags in uniform manner.
1941 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1942 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1943 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1944 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1945 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1946 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1947 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1948 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1949 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1950 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1951 * see.c (see_initialize_data): Ditto.
1952 * final.c (rest_of_clean_state) Added regstack_completed.
1953 * rtl.h (regstack_completed): Ditto.
1954 * reg-stack.c (regstack_completed): Ditto.
1956 2006-05-19 Mike Stump <mrs@apple.com>
1958 * c-tree.h (default_conversion): Remove.
1959 * c-common.h (default_conversion): Add.
1961 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1963 * tree-vrp.c (valid_value_p): New function.
1964 (adjust_range_with_scev): Fail if the value of bound is not
1967 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1969 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1970 (mips_fallback_frame_state): Use syscall numbers to determine
1971 the appropriate li instruction for the current ABI. Only use
1972 __NR_sigreturn for o32.
1974 2006-05-19 Nicolas Setton <setton@adacore.com>
1976 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1977 * langhooks.c (lhd_dwarf_name): New function.
1978 * langhooks-def.h (lhd_dwarf_name): Declare.
1979 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1980 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1981 * ada/misc.c (gnat_dwarf_name): New function.
1982 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1984 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1986 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1988 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1989 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1990 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1991 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1992 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1993 determine the size of Wtype, etc.
1994 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1995 (swfloatfuncs): New variable.
1996 (dwfloatfuncs): Likewise.
1997 (lib2funcs): Remove floating-point conversion functions from
1998 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1999 the set of conversion routines needed. Allow entries to specify
2000 an object name, filename and word size. Update users accordingly.
2001 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2002 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2006 2006-02-08 Roger Sayle <roger@eyesopen.com>
2009 * config/fixtfdi.c: New libgcc source file.
2010 * config/fixunstfdi.c: New source file.
2011 * config/floatditf.c: New source file.
2012 * config/floatunditf.c: New souce file.
2013 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2014 files above instead of config/mips/_tilib.c.
2015 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2017 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2019 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2020 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2022 2006-05-18 Mike Stump <mrs@apple.com>
2024 Fix up vla, vm and [*] sematics.
2030 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2031 (c_vla_unspec_p): Add.
2032 (c_vla_type_p): Add.
2033 * c-decl.c (struct c_scope): Add had_vla_unspec.
2034 (build_array_declarator): Add support for [*].
2035 (grokdeclarator): Likewise.
2036 (grokparms): Likewise.
2037 (get_parm_info): Likewise.
2038 * c-objc-common.c (c_vla_unspec_p): Likewise.
2039 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2040 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2041 typeof when argument is a variably modified type not inside sizeof or alignof.
2042 (c_parser_direct_declarator_inner): Propagate errors.
2043 (c_parser_sizeof_expression): Add support for [*].
2044 (c_parser_parms_declarator): Initialize had_vla_unspec.
2045 (c_parser_parms_list_declarator): Likewise.
2046 * c-typeck.c (c_vla_type_p): Add.
2047 (composite_type): Add support for vla compositing.
2048 (comptypes_internal): Add support for vla compatibility.
2049 (c_expr_sizeof_expr): Evaluate vla arguments.
2050 * tree.c (variably_modified_type_p): Update comment for [*].
2052 2006-05-18 Michael Matz <matz@suse.de>
2055 * config.host: Make assignments to host_xmake_file cumulative.
2056 * config.host (*-darwin*): Test $host, not $target.
2058 2006-05-12 Stuart Hastings <stuart@apple.com>
2060 * config/i386/i386.opt (-mstackrealign): New flag.
2061 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2062 (ix86_handle_cconv_attribute): Emit error when
2063 force_align_arg_pointer attribute collides with too many regparms.
2064 (ix86_function_regparm): Limit regparms when used with
2065 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2066 Support stack-realigning prologue in non-main functions. Emit
2067 warning for nested functions under -mstackrealign, emit error for
2068 nested functions with force_align_arg_pointer attribute.
2069 * doc/extend.texi (force_align_arg_pointer): Document it.
2070 * doc/invoke.texi (-mstackrealign): Document it.
2072 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2074 PR rtl-optimization/27477
2075 * combine.c (try_combine): Don't split a parallel consisting
2076 of two sets into two individual sets if both sets reference
2079 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2081 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2082 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2084 * doc/options.texi (VarExists): Updated.
2086 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2088 * unwind-dw2.c: Add declarations for uw_update_context and
2090 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2091 detected, advance frame state and context once to skip over stub.
2093 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2097 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2098 Call rewrite_into_loop_closed_ssa only when something changed.
2099 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2100 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2101 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2102 Test for perfect_nest_p here. Fix formating.
2103 (replace_uses_equiv_to_x_with_y): Fix formating.
2104 (stmt_uses_op): Removed.
2105 (can_convert_to_perfect_nest): Removed loopivs parameter.
2106 Complete the test by checking the scalar dependences.
2107 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2110 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2113 From Dan Kegel <dank@kegel.com>:
2114 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2116 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2118 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2119 if the element type is variably modified without recursing.
2121 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2124 * tree-loop-linear.c (try_interchange_loops): Test for
2125 no data dependences.
2127 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2129 PR tree-optimization/27548
2130 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2131 range of ssa names that appear on abnormal edges.
2132 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2133 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2135 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2138 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2140 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2143 * tree.h (OMP_PARALLEL_COMBINED): Define.
2144 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2145 (new_omp_context): Add is_combined_parallel argument.
2146 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2147 new_omp_context caller.
2148 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2149 Adjust gimplify_scan_omp_clauses callers.
2150 (omp_is_private): Issue errors if iteration variable is firstprivate
2151 or reduction in the current context.
2152 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2153 on combined parallel workshare constructs.
2155 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2157 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2158 (gcc-options.o): New rule.
2160 * optc-gen.awk: Protect variables for gcc-options.o with
2161 #ifdef GCC_DRIVER/#endif.
2163 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2165 Fix PR tree-optimization/27373
2166 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2167 (forward_propagate_addr_expr): Update call.
2169 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2171 * doc/options.texi: Move the Negative option.
2173 2006-05-16 Richard Guenther <rguenther@suse.de>
2175 PR tree-optimization/22303
2176 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2178 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2179 ccp_fold did not simplify the statement.
2181 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2184 * Makefile.in (GCC_OBJS): New.
2185 (OBJS-common): Add opts-common.o.
2186 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2187 (cpp$(exeext)): Likewise.
2188 (gcc.o): Also depend on opts.h.
2189 (opts-common.o): New.
2191 * common.opt (gcoff): Add Negative(gdwarf-2).
2192 (gdwarf-2): Add Negative(gstabs).
2193 (gstabs): Add Negative(gstabs+).
2194 (gstabs+): Add Negative(gvms).
2195 (gvms): Add Negative(gxcoff).
2196 (gxcoff): Add Negative(gxcoff+).
2197 (gxcoff+): Add Negative(gcoff).
2198 * config/i386/i386.opt (m32): Add Negative(m64).
2199 (m64): Add Negative(m32).
2201 * doc/options.texi: Document the Negative option.
2203 * gcc.c: Include "opts.h".
2204 (main): Call prune_options after expandargv.
2206 * optc-gen.awk: Generate common declarations for all flag
2207 variables in options.c. Output the neg_index field.
2209 * opts.c (find_opt): Moved to ...
2210 * opts-common.c: Here. New file.
2212 * opts.h (cl_option): Add a neg_index field.
2214 (prune_options): Likewise.
2216 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2219 * omp-low.c (expand_omp_parallel): Don't assert
2220 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2221 instead search for it.
2224 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2227 2006-05-16 Andreas Schwab <schwab@suse.de>
2229 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2232 2006-05-15 Roger Sayle <roger@eyesopen.com>
2235 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2236 integer constants other than zero are only legitimate on TARGET_64BIT.
2237 <CONST_VECTOR> Only zero vectors are legitimate.
2238 (ix86_cannot_force_const_mem): Integral and vector constants can
2239 always be put in the constant pool.
2241 2006-05-16 DJ Delorie <dj@redhat.com>
2243 * crtstuff.c (__dso_handle): Set section from
2244 TARGET_LBIGCC_SDATA_SECTION if defined.
2245 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2246 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2248 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2251 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2254 2006-05-16 Ben Elliston <bje@au.ibm.com>
2256 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2258 2006-05-15 Per Bothner <per@bothner.com>
2260 * tree.c: (last_annotated_node): Use source_locus typedef.
2261 This permits bootstrapping with --enable-mapped-location.
2263 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2265 PR tree-optimization/26830
2266 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2267 (info_for_ssa_name, current_info_for_ssa_name_age,
2268 blocks_to_update): New variables.
2269 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2270 (clear_ssa_name_info, initialize_flags_in_bb,
2271 mark_block_for_update): New functions.
2272 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2273 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2274 prepare_def_site_for): Use mark_block_for_update.
2275 (mark_def_interesting): Assert that the processed block is marked in
2276 blocks_to_update. Do not take blocks argument.
2277 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2279 (rewrite_update_init_block, rewrite_update_stmt): Only process
2280 blocks with statements to rewrite.
2281 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2282 (update_ssa): Initialize and free blocks_to_update. Do not
2283 clear flags on statements. Do not use blocks bitmap.
2284 * tree.h (SSA_NAME_AUX): Removed.
2285 (struct tree_ssa_name): Removed aux field.
2286 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2288 2006-05-15 Richard Guenther <rguenther@suse.de>
2290 PR tree-optimization/27603
2291 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2292 Do computations in original type.
2294 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2296 * see.c: Code style changes such as redundant paranthesis,
2297 redundant intialization of local variables etc.
2298 (see_main): Declared now as static.
2299 * doc/invoke.texi: Update that -fsee is not enabled by
2302 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2304 * omp-low.c (check_omp_nesting_restrictions): New function.
2305 (scan_omp_1): Call it.
2308 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2309 construct, return *VAR.
2311 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2313 PR rtl-optimization/27406
2314 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2317 2006-05-14 Roger Sayle <roger@eyesopen.com>
2319 PR rtl-optimization/27538
2320 * combine.c (expand_compound_operation): Call gen_lowpart
2321 before calling simplify_shift_const.
2323 2006-05-14 Roger Sayle <roger@eyesopen.com>
2325 PR rtl-optimization/22563
2326 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2327 a fixed width bitfield, always force the intermediates into psuedos.
2329 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2332 * mkconfig.sh: Use operator = instead of == for test.
2334 2006-05-13 Nick Clifton <nickc@redhat.com>
2336 * dwarf2out.c (dbx_reg_number): Check return value from
2337 LEAF_REG_REMAP and only use it if it is valid.
2338 (multiple_reg_loc_descriptor): Likewise.
2340 2006-05-13 Richard Guenther <rguenther@suse.de>
2342 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2345 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2347 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2348 information attached to non-INSNs such as NOTEs.
2349 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2351 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2353 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2355 * config/s390/s390.md: Adjust comment describing On constraint.
2357 2006-05-11 Jan Hubicka <jh@suse.cz>
2359 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2360 to be output at -O0.
2362 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2365 * fold-const.c (size_binop): Move sanity check for arguments to
2366 the beginning of the function.
2369 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2372 2006-05-11 Richard Guenther <rguenther@suse.de>
2375 * fold-const.c (fold_unary): Handle intermediate conversion
2376 to a pointer type like intermediate conversion to an integer
2377 type in folding of (T1)(T2)var to var.
2378 Match the code to the comment in the final conversion for
2379 (T1)(T2)var to (T1)var regarding to type precision. Rather
2380 than disallow T1 being of pointer type, assert that both T1
2381 and var are of pointer type or not. Make sure not to fall
2382 over the frontends lazyness wrt array to pointer decay though.
2384 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2386 * arm.c (arm_struct_value_rtx): Delete.
2387 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2388 (arm_init_cumulative_args): Always initialize nregs to zero.
2390 2006-05-10 Richard Guenther <rguenther@suse.de>
2392 PR tree-optimization/27532
2393 * tree-object-size.c (plus_expr_object_size): Fix typo.
2395 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2398 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2399 ashrdi_const, ashrdi3): Use a scratch register.
2401 2006-05-10 Richard Guenther <rguenther@suse.de>
2403 PR tree-optimization/27302
2404 * fold-const.c (operand_equal_p): For two comparisons,
2405 try comparison of one comparison code swapped if that yields
2408 2006-05-10 Ben Elliston <bje@au.ibm.com>
2410 * tree-pretty-print.c (pretty_print_string): No need to handle
2411 '\0' as a special character.
2413 * tree.h: Include "hashtab.h".
2414 (iterative_hash_expr): Use hashval_t in its prototype.
2415 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2417 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2420 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2421 (hppa*64*-*-hpux11*): Ditto.
2422 (hppa[12]*-*-hpux11*): Ditto.
2424 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2427 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2429 2006-05-09 Michael Matz <matz@suse.de>
2431 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2432 host_extra_gcc_objs and host_xmake_file.
2433 (<*-*-linux*>): Don't overwrite host_xmake_file.
2434 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2435 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2436 (host_detect_local_cpu): Declare.
2437 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2438 * config/i386/i386.c (override_options): Handle -mtune=native
2440 * config/i386/x-i386: New file.
2441 * config/i386/driver-i386.c: New file.
2442 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2445 2006-05-09 Dirk Mueller <dmueller@suse.de>
2446 Richard Guenther <rguenther@suse.de>
2449 * fold-const.c (fold_read_from_constant_string): Relax check
2450 for matching types to matching modes.
2452 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2454 PR rtl-optimization/27335
2455 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2458 2006-05-08 Chao-ying Fu <fu@mips.com>
2459 Richard Sandiford <richard@codesourcery.com>
2461 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2462 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2463 * config/mips/mips.md (UNSPEC_SCC): New constant.
2464 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2465 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2466 (mips_emit_compare): Use it.
2467 (mips_expand_vcondv2sf): New function.
2469 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2471 Fix PR tree-optimization/27093
2472 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2473 renaming when they become not-used_alone.
2475 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2477 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2478 relocation and relocation stubs.
2480 2006-05-08 Eric Christopher <echristo@apple.com>
2482 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2485 2006-05-08 Jan Hubicka <jh@suse.cz>
2488 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2489 unused static functions are needed.
2491 2006-05-08 Roger Sayle <roger@eyesopen.com>
2494 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2495 of a reg_equiv_constant if the result is a legitimate constant.
2497 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2500 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2501 standard 80387 constants, raise the cost to prevent
2502 compress_float_constant() to generate load from memory.
2504 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2506 * config/arm/constraints.md (c): Fix a typo.
2508 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2511 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2514 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2516 (_mm_mwait): Likewise.
2518 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2520 (sse3_monitor): Make it 32bit only.
2521 (sse3_monitor64): New. 64bit monitor.
2523 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2526 * config/i386/i386.c (classify_argument): Skip fields with invalid
2529 2006-05-07 Richard Guenther <rguenther@suse.de>
2531 PR tree-optimization/27409
2532 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2533 Do not try to find zero-sized subvars.
2535 2006-05-07 Richard Guenther <rguenther@suse.de>
2537 PR tree-optimization/27136
2538 * tree-ssa-loop-niter.c (get_val_for): Correct function
2539 comment, assert requirements.
2540 (loop_niter_by_eval): Stop processing if the iterated
2541 value did not simplify.
2543 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2545 * opts.c (flag_see): remove its setting at -O3.
2547 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2549 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2550 * arm/constraints.md: New file.
2551 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2552 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2553 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2554 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2555 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2556 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2557 * arm.md: Include constraints.md.
2558 (thumb_movsi_insn): Use satisfies_constraint_J.
2559 (movhi, movqi): Use satisfies_constraint_I.
2561 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2563 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2564 for atmeg a645 device.
2566 2006-05-06 Richard Guenther <rguenther@suse.de>
2568 PR tree-optimization/27151
2569 * tree-vect-transform.c (vectorizable_condition): Punt on
2570 values that have a different type than the condition.
2572 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2575 * c-parser.c (c_parser_cast_expression): Only insert casts into
2576 hash table if pointer.
2577 * function.c (used_types_insert_helper): Rename from
2579 (used_types_insert): Call used_types_insert_helper.
2580 * function.h (used_types_insert): Accept only one argument.
2582 2006-05-05 David Edelsohn <edesohn@gnu.org>
2584 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2585 scratch with output modifier.
2587 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2590 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2591 with output modifier.
2593 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2596 * config/mips/mips.c (mips_symbolic_address_p): Return true
2597 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2598 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2600 2006-05-04 Richard Guenther <rguenther@suse.de>
2602 PR tree-optimization/14287
2603 PR tree-optimization/14844
2604 PR tree-optimization/19792
2605 PR tree-optimization/21608
2606 PR tree-optimization/27090
2607 * tree-ssa-pre.c (try_combine_conversion): New function.
2608 (compute_avail): After constructing the value-handle
2609 expression, use try_combine_conversion to combine NOP_EXPRs
2610 with previous value-handle expressions and use the result if it
2613 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2615 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2617 2006-05-04 Jan Hubicka <jh@suse.cz>
2620 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2622 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2624 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2625 that this only matches CONST_INTs. All users changed to VOIDmode
2628 * config/bfin/bfin.c: Include "optabs.h".
2629 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2631 (enum bfin_builtins): Add a number of fractional and vector builtins.
2632 (bfin_init_builtins): Likewise.
2633 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2634 (safe_vector_operand, bfin_expand_binop_builtin,
2635 bfin_expand_unop_builtin): New functions.
2636 (bfin_expand_builtin): Handle the new builtins.
2637 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2640 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2643 * Makefile.in (OBJS-common): Add see.o.
2644 (see.o): Add dependencies.
2645 * common.opt (fsee): New flag for the see optimization was added.
2646 * opts.c (flag_see): Initialized.
2647 * passes.c (init_optimization_passes, pass_see): New pass.
2648 * rtl.h (see_main): Declaration as extern.
2649 * timevar.def (TV_SEE): New.
2650 * tree-pass.h (pass_see): Declaration as extern.
2651 * invoke.texi (-fsee): Document.
2652 * recog.c (validate_simplify_insn): New function.
2653 * recog.h (validate_simplify_insn): Declaration as extern.
2654 * df-problems.c (df_chain_dump): Check for NULL.
2656 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2657 Daniel Berlin <dberlin@dberlin.org>
2659 * cfgrtl.c (insert_insn_bb_end_new): New function.
2660 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2662 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2664 * df.h (struct web_entry): Moved from web.c.
2665 (union_defs): Declaration as extern.
2666 (unionfind_root): Likewise.
2667 (unionfind_union): Likewise.
2668 * web.c (struct web_entry): Moved to df.h.
2669 (unionfind_root): Remove static declaration.
2670 (unionfind_union): Likewise.
2671 (union_defs): Likewise and generalize to use callback function.
2672 (web_main): Update arguments for union_defs function call.
2674 2006-05-04 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/26447
2677 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2678 produce SSA_NAME copies before the store stmt to avoid
2679 breaking exception handling.
2681 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2684 * gimplify.c (omp_is_private): If var is shared in some outer context,
2685 return false instead of true. Stop searching on parallel context
2688 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2691 * coverage.c: Use get_gcov_unsigned_t() instead of
2692 unsigned_type_node all over.
2694 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2696 PR tree-optimization/27381
2697 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2698 maintain the same immediate_use links.
2699 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2700 node rather than segfaulting.
2702 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2705 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2706 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2707 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2709 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2711 Fix PR tree-optimization/26626
2712 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2714 * tree-ssa-operands.c (access_can_touch_variable): Allow
2715 typecasting through union pointers.
2717 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2720 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2721 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2722 to find if var will be a global variable even in the nested context.
2723 (omp_copy_decl): Only check for global variable at the end, it might
2724 be overridden in outer contexts.
2725 (scan_sharing_clauses): For global variables don't create a field.
2726 (lower_rec_input_clauses): Do nothing for global shared variables.
2727 Emit a barrier at the end of ILIST if there were any decls in both
2728 firstprivate and lastprivate clauses.
2729 (lower_send_clauses): Do nothing for global variables except for
2732 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2734 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2735 of the correct signedness is returned.
2737 2006-05-02 Jeff Law <law@redhat.com>
2739 PR tree-optimization/27364
2740 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2741 multiply expressions.
2743 2006-05-02 Tom Tromey <tromey@redhat.com>
2745 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2747 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2750 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2751 -mthumb -fPIC are used.
2753 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2754 Joshua Kinard <kumba@gentoo.org>
2757 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2758 with 64-bit pointers.
2760 2006-05-02 Paul Brook <paul@codesourcery.com>
2762 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2764 (create_fix_barrier): Check that a suitable barrier location is
2766 (arm_reorg): Include ftmp->address in allowable range of addresses.
2768 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2771 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2774 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2777 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2778 around RESULT_DECL for result passed by reference.
2779 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2780 * omp-low.c (use_pointer_for_field): Don't look at
2781 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2782 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2783 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2784 time or var for passing by reference for
2785 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2786 TREE_ADDRESSABLE variables when passing by reference.
2788 * omp-low.c (dump_omp_region): Fix output formatting.
2791 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2792 (expand_omp_parallel): Likewise.
2793 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2796 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2797 on statement list containing also constructors and destructors.
2798 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2801 * except.c (duplicate_eh_regions): Fix clearing of
2802 cfun->eh->region_array entries.
2804 2006-05-01 DJ Delorie <dj@redhat.com>
2806 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2808 (gcc_cv_objdump): Likewise.
2809 * configure: Regenerated.
2811 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2814 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2815 templates for case 3 and 4.
2817 2006-05-01 DJ Delorie <dj@redhat.com>
2819 * vec.c: Include bconfig.h when appropriate.
2820 * Makefile.in (build/vec.o): Adjust dependencies.
2821 * mkconfig.sh: Make sure config.h isn't used for build machine
2824 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2826 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2828 (mark_phi_for_rewrite): New function.
2829 (insert_phi_nodes_for, mark_use_interesting): Call
2830 mark_phi_for_rewrite.
2831 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2832 (update_ssa): Initialize and free phis_to_rewrite.
2834 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2836 PR rtl-optimization/27291
2837 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2838 folded to a constant.
2840 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2842 PR tree-optimization/27283
2843 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2844 not whole # of iteration descriptions.
2845 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2846 uses abnormal ssa name.
2847 (niter_for_single_dom_exit): Ditto.
2848 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2849 return just the number of iterations.
2851 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2853 PR tree-optimization/27144
2854 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2855 (record_estimate): Only record constant upper bound.
2856 (infer_loop_bounds_from_undefined): Call
2857 compute_estimated_nb_iterations just once.
2858 (proved_non_wrapping_p): Renamed to ...
2859 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2860 (convert_step_widening, scev_probably_wraps_p): Call
2861 n_of_executions_at_most instead of proved_non_wrapping_p.
2862 (substitute_in_loop_info): Do not replace values in bounds.
2863 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2866 2006-05-01 Richard Henderson <rth@redhat.com>
2869 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2870 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2873 2006-05-01 Roger Sayle <roger@eyesopen.com>
2875 * c-typeck.c (parser_build_binary_op): Don't call the function
2876 unsigned_conversion_warning to spot operand/result type overflow.
2877 (build_binary_op): Instead, call convert_and_check instead of
2878 convert to report the problem when the operands are promoted.
2879 * c-common.c (unsigned_conversion_warning): Make static.
2880 * c-common.h (unsigned_conversion_warning): Delete prototype.
2882 2006-05-01 Richard Guenther <rguenther@suse.de>
2884 PR tree-optimization/26726
2885 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2887 (find_interesting_uses_address): ... we work around here
2888 by folding INDIRECT_REFs in the substituted base.
2890 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2892 * omp-low.c (dump_omp_region): Add newlines.
2894 2006-04-30 Roger Sayle <roger@eyesopen.com>
2896 * common.opt (Woverflow): New command line option.
2897 * c-common.c (constant_expression_warning): Check warn_overflow.
2898 (overflow_waring): Pass OPT_Woverflow to warning.
2899 (unsigned_conversion_warning): Likewise.
2900 (convert_and_check): Likewise.
2901 * doc/invoke.texi: Document new command line option.
2903 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2905 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2906 TARGET_NO_FP_IN_TOC for section anchors.
2907 (optimization_options): Enable section anchors for all
2908 non-"Objective" languages.
2910 2006-04-28 Eric Christopher <echristo@apple.com>
2912 * config/darwin-c.c (darwin_ms_struct): Move this
2913 (darwin_set_default_type_attributes): and this...
2914 * config/darwin.c: ... here.
2915 * config/darwin.h (darwin_ms_struct): Declare.
2917 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2919 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2921 2006-04-28 Roger Sayle <roger@eyesopen.com>
2924 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2925 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2926 an unsigned HOST_WIDE_INT.
2927 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2929 (really_start_incremental_init): No need to call convert because
2930 bitsize_zero_node is already of type bitsizetype.
2931 (push_init_level): Extract the value of constructor_index as an
2932 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2933 (process_init_element): Likewise.
2935 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2937 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2938 value before passing to make_relative_prefix.
2940 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2943 * builtins.c (expand_builtin_memset): Expand val in original mode.
2945 2006-04-27 Eric Christopher <echristo@apple.com>
2947 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2948 with #ifndef/#endif.
2949 * config/darwin-c.c (darwin_ms_struct): New.
2950 (darwin_pragma_ms_struct): Ditto.
2951 (darwin_set_default_type_attributes): Ditto.
2952 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2953 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2954 Register ms_struct pragma.
2955 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2956 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2957 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2958 darwin_set_default_type_attributes if TARGET_MACHO.
2960 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2962 PR tree-optimization/26854
2963 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2964 * doc/tree-ssa.texi: Update immuse iterator documentation.
2965 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2966 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2967 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2968 first_safe_imm_use, next_safe_imm_use): Remove.
2969 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2970 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2971 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2972 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2973 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2974 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2975 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2976 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2977 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2978 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2979 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2980 (perfect_nestify): Use new iterator.
2981 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2983 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2984 (next_imm_name): New field in struct immediate_use_iterator_d.
2985 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2986 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2987 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2988 * tree-cfg.c (replace_uses_by): Use new iterator.
2989 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2990 * tree-ssa-operands.c (correct_use_link): Remove.
2991 (finalize_ssa_use_ops): No longer call correct_use_link.
2993 2006-04-27 Stuart Hastings <stuart@apple.com>
2995 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2996 * config/t-darwin (crt3.o): Use it.
2997 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2998 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2999 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3000 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3001 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3004 2006-04-27 Roger Sayle <roger@eyesopen.com>
3006 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3007 size, force the intermediate into a new pseudo rather instead of
3008 performing both a bitwise AND and a bitwise IOR in memory.
3010 2006-04-27 Richard Guenther <rguenther@suse.de>
3012 PR rtl-optimization/26685
3013 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3014 this one "max-flow-memory-locations".
3016 2006-04-27 Richard Guenther <rguenther@suse.de>
3018 PR tree-optimization/25148
3019 * tree-vrp.c (compare_values): Remove code dealing with
3020 comparisons against type min/max value. Honour overflow
3021 and negative constants in code dealing with comparisons
3022 of plus and minus expressions.
3023 (value_inside_range): Use fold_binary with LE_EXPR and
3024 GE_EXPR rather than compare_values.
3026 2006-04-27 Dirk Mueller <dmueller@suse.de>
3028 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3031 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3033 * basic-block.h (safe_insert_insn_on_edge): Removed.
3034 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3036 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3037 Paolo Bonzini <bonzini@gnu.org>
3040 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3041 (simplify_and_const_int): Same.
3043 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3045 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3047 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3050 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3051 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3052 cgraph_global_info_ready.
3055 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3058 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3059 either decl or init is error_mark_node.
3062 * tree-flow.h (struct omp_region): Add sched_kind.
3063 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3064 instead of extracting omp for data.
3065 (expand_omp_for): Save extracted sched_kind.
3067 2006-04-25 Roger Sayle <roger@eyesopen.com>
3069 * expmed.c (store_bit_field): Also check whether the bitsize is
3070 valid for the machine's "insv" instruction before moving the
3071 target into a pseudo for use with the insv.
3072 * config/i386/predicates.md (const8_operand): New predicate.
3073 * config/i386/i386.md (extv, extzv, insv): Use the new
3074 const8_operand predicate where appropriate.
3076 2006-04-25 DJ Delorie <dj@redhat.com>
3078 * doc/install.texi (Specific): Clarify that this is not a list of
3079 supported hosts or targets.
3081 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3083 PR rtl-optimization/26725
3084 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3085 block's BB_DIRTY flag.
3087 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3089 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3092 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3093 to print an integer.
3095 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3097 * varasm.c (align_variable): New function.
3098 (get_block_for_decl): Apply align_variable to DECL before
3099 calculating section information.
3100 (assemble_variable): Split out alignment computation.
3102 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3104 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3107 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3109 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3110 MODE_PARTIAL_INT mode.
3111 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3112 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3114 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3115 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3117 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3119 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3121 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3122 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3123 MACFLAG_IH): Likewise.
3124 (movstricthi_1): Renamed from "*movstricthi".
3125 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3126 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3127 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3128 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3129 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3130 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3131 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3132 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3133 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3134 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3135 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3136 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3137 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3138 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3139 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3141 * doc/rtl.texi (ss_ashift): Improve wording.
3143 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3145 * dwarf2out.c (verify_marks_clear): New.
3146 (prune_unused_types): Call verify_marks_clear initially, not
3149 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3151 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3152 * doc/rtl.texi: Document them.
3153 * simplify-rtx.c (simplify_unary_operation,
3154 simplify_binary_operation_1): Don't abort when we see them.
3156 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3159 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3160 * configure.ac: Completely disregard languages that are not
3162 * configure: Regenerated.
3164 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3165 Richard Guenther <rguenther@suse.de>
3167 PR tree-optimization/27236
3168 * tree-inline.c (copy_body_r): Make sure to copy
3169 TREE_THIS_VOLATILE flag.
3171 2006-04-24 Richard Guenther <rguenther@suse.de>
3174 * tree-complex.c (update_parameter_components): Don't handle
3175 unused parameters which have no default def.
3177 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3178 Richard Guenther <rguenther@suse.de>
3180 PR tree-optimization/27218
3181 * tree-inline.c (expand_call_inline): Strip useless type
3182 conversions for the return slot address.
3184 2006-04-24 Richard Guenther <rguenther@suse.de>
3186 * cfgloop.h (struct loops): Remove unused field array. Reorder
3188 (LOOP_PREFETCH): Remove.
3190 2006-04-24 Richard Guenther <rguenther@suse.de>
3192 PR tree-optimization/22525
3193 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3194 variable, adjust types of generated expressions.
3196 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3198 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3199 (tree-vect-patterns.o): Likewise.
3201 (cselib.o): Likewise.
3202 (loop-doloop.o): Likewise.
3203 (regclass.o): Likewise.
3204 (reload1.o): Likewise.
3205 (explow.o): Replace target.h with $(TARGET_H).
3206 (ipa-prop.o): Likewise.
3207 (ipa-cp.o): Likewise.
3208 (ipa-inline.o): Likewise.
3209 (reorg.o): Likewise.
3210 (reg-stack.o): Likewise.
3212 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3214 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3216 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3218 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3220 * configure.ac: Completely disregard languages that are not
3222 * configure: Regenerated.
3225 * c-common.h (c_build_bitfield_integer_type): Declare.
3226 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3227 * c-common.c (c_build_bitfield_integer_type): ... here.
3229 2006-04-23 Roger Sayle <roger@eyesopen.com>
3232 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3233 a SImode SUBREG of a floating point register after no_new_pseudos.
3235 2006-04-23 Roger Sayle <roger@eyesopen.com>
3237 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3238 identify potentially eliminable registers to additionally catch
3239 VIRTUAL_INCOMING_ARGS_REGNUM.
3240 (addsi3): Update the conditions on when to use addsi_small_int.
3242 2006-04-23 Roger Sayle <roger@eyesopen.com>
3245 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3246 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3247 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3249 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3251 * fold-const.c (range_predecessor): Use operand_equal_p
3252 as the predicate for equality.
3253 (range_successor): Likewise.
3255 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3258 * config/soft-fp/op-common.h: Fix a typo.
3260 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3263 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3264 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3266 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3268 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3270 * doc/tm.texi: Fix a typo.
3272 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3274 * dwarf2out.c (struct die_struct): Document that die_sib makes
3275 a circular linked list.
3276 (FOR_EACH_CHILD): New.
3277 (reverse_die_lists): Delete.
3278 (reverse_all_dies): Delete.
3279 (add_dwarf_attr): Correct documentation.
3280 (remove_child_with_prev): New.
3281 (remove_child_TAG): Update for change to die_struct, use
3282 remove_child_with_prev.
3283 (add_child_die): Update for change to die_struct.
3284 (splice_child_die): Use remove_child_with_prev and add_child_die.
3285 (print_die): Use FOR_EACH_CHILD.
3286 (die_checksum): Likewise.
3287 (assign_symbol_names): Likewise.
3288 (output_location_lists): Likewise.
3289 (build_abbrev_table): Likewise.
3290 (calc_die_sizes): Likewise.
3291 (mark_dies): Likewise.
3292 (unmark_dies): Likewise.
3293 (unmark_all_dies): Likewise.
3294 (output_die): Likewise.
3295 (prune_unused_types_mark): Likewise.
3296 (prune_unused_types_walk): Likewise.
3297 (same_die_p): Update for change to die_struct.
3298 (break_out_includes): Likewise.
3299 (prune_unused_types_prune): Likewise.
3300 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3301 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3303 (dwarf2out_finish): Don't call reverse_all_dies.
3305 2006-04-21 Eric Christopher <echristo@apple.com>
3307 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3308 in comments and function names.
3310 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3313 * c-typeck.c (digest_init): Robustify.
3315 * c-typeck.c (pop_init_level): Simplify.
3317 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3319 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3321 2006-04-21 Paul Brook <paul@codesourcery.com>
3323 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3324 hardware floating point.
3326 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3328 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3331 2006-04-21 Nick Clifton <nickc@redhat.com>
3333 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3336 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3339 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3340 C++ lang type in traceback table for Objective-C++.
3342 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3344 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3346 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3348 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3351 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3352 were errors. Remove check for erroneous objects.
3354 2006-04-20 Jeff Law <law@redhat.com>
3356 PR tree-optimization/26854
3357 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3358 checking for zero or one use.
3359 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3360 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3361 * tree-ssa-reassoc.c (negate_value): Similarly.
3362 (reassociate_bb): Similarly.
3364 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3366 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3367 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3368 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3370 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3372 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3373 fp regs if the last fp arg doesn't fit in regs.
3375 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3378 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3379 that the last insn has the REG_INC note.
3381 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3382 Nathan Sidwell <nathan@codesourcery.com>
3385 * stor-layout.c (update_alignment_for_field): Do not align
3387 (place_union_field): Place union field at the start of the union.
3388 (place_field): Move ERROR_MARK check later, and use the current
3389 allocation position to maintain monotonicity.
3391 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3393 * dominance.c: Include timevar.h.
3394 (calculate_dominance_info): Use TV_DOMINANCE.
3395 * timevar.def (TV_DOMINANCE): New timevar.
3396 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3398 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3400 PR rtl-optimization/14261
3401 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3402 move would be an INSV insn.
3403 (noce_process_if_block): Don't optimize if the destination is a
3404 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3406 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3408 * config/s390/s390.md: Add comments with the instructions emitted
3409 by an insn pattern if macros are used.
3411 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3413 PR rtl-optimization/26026
3414 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3415 is a known power of two shifted left a variable amount.
3417 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3419 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3420 to hash table twice when the debug_str section has SECTION_MERGE.
3422 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3424 * config/soft-fp: New directory. From glibc.
3425 * config/soft-fp/t-softfp: New.
3426 * config/soft-fp/README: New.
3427 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3428 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3429 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3430 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3431 * config.gcc: Use rs6000/t-fprules-fpbit or
3432 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3434 * config/rs6000/sfp-machine.h: New. Based on glibc.
3435 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3437 * config/rs6000/t-fprules: Remove fp-bit rules.
3438 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3439 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3440 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3441 (softfp_wrap_start, softfp_wrap_end): New.
3443 2006-04-18 DJ Delorie <dj@redhat.com>
3445 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3447 2006-04-18 Devang Patel <dpatel@apple.com>
3449 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3451 2006-04-18 Nick Clifton <nickc@redhat.com>
3453 * config/sh/t-symbian: Add rule to build sh-c.o
3454 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3455 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3456 (sh_symbian_encode_section_info): Likewise.
3458 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3460 * builtins.c (expand_builtin_strcmp): Cover label definition of
3461 do_libcall with HAVE_cmpstrnsi.
3463 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3465 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3467 * function.h (temp_slot_p): New.
3468 (function): Change the type of x_used_temp_slots to
3469 VEC(temp_slot_p,gc) *.
3471 2006-04-18 Nick Clifton <nickc@redhat.com>
3473 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3474 flag_strength_reduce.
3476 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3478 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3482 Partial revert of revision 112637
3483 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3484 Dale Johannesen <dalej@apple.com>
3487 * regclass.c (struct reg_pref): Update documentation.
3488 (regclass): Set prefclass to NO_REGS if memory is the best option.
3489 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3491 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3493 PR tree-optimization/26821
3494 * tree-ssa-math-opts.c (get_constant_one): New.
3495 (insert_reciprocals): Use it.
3497 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3499 * dwarf2out.c (free_AT): Delete.
3500 (remove_AT): Update string ref counts.
3501 (remove_child_TAG): Don't call free_die.
3503 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3504 or DW_TAG_GNU_EINCL.
3505 (prune_unused_types_walk_attribs): Reset string refcounts.
3506 (prune_unused_types_update_strings): New.
3507 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3508 call free_die. Do call prune_unused_types_update_strings.
3509 (prune_unused_types): Empty debug_str_hash.
3511 2006-04-17 Roger Sayle <roger@eyesopen.com>
3513 * expr.c (expand_assignment): Optimize away no-op moves where the
3514 source and destination are equal and have no side-effects.
3516 2006-04-17 Richard Guenther <rguenther@suse.de>
3519 * reload.c (push_reload): Guard calls to get_secondary_mem
3522 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3524 * alias.c (reg_base_value, old_reg_base_value): Change the
3525 type to VEC(rtx,gc) *.
3526 (REG_BASE_VALUE, find_base_value, record_set,
3527 init_alias_analysis): Use VEC instead of VARRAY.
3529 * alias.c (alias_sets): Change the type to
3530 VEC(alias_set_entry,gc) *.
3531 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3532 VEC instead of VARRAY.
3533 (last_alias_set): Remove.
3535 * cgraph.h (cgraph_edge_p): New.
3536 Update the prototype of cgraph_function_versioning.
3537 * cgraphunit.c (cgraph_copy_node_for_versioning,
3538 cgraph_function_versioning): Use VEC instead of VARRAY.
3539 * ipa-cp.c (ipcp_insert_stage): Likewise.
3541 2006-04-16 Roger Sayle <roger@eyesopen.com>
3544 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3545 "A op B" or "A op C", we may need to convert A to the type of B and C.
3547 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3549 * target.h (struct gcc_target): Add mode_rep_extended.
3550 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3551 (init_num_sign_bit_copies_in_rep): Initialize it using
3553 (truncate_to_mode): Use it.
3554 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3555 * targhooks.h (default_mode_rep_extended): Declare it.
3556 * targhooks.c (default_mode_rep_extended): Define it.
3557 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3558 default_mode_rep_extended.
3559 (TARGET_INITIALIZER): Include it.
3560 * doc/tm.texi (Misc): Document it.
3561 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3562 (mips_truncated_to_mode): New function.
3564 2006-04-16 Roger Sayle <roger@eyesopen.com>
3567 * expr.c (compress_float_constant): Copy the narrow constant into
3568 a new pseudo before extending it to its final width.
3570 2006-04-16 Roger Sayle <roger@eyesopen.com>
3571 Andrew Pinski <pinskia@gcc.gnu.org>
3572 Dale Johannesen <dalej@apple.com>
3575 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3576 special case code to implement V8HImode and V16QImode with SSE2.
3578 2006-04-15 Roger Sayle <roger@eyesopen.com>
3580 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3581 trees are constructed with a suitable tree type.
3583 2006-04-15 Roger Sayle <roger@eyesopen.com>
3585 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3586 (integer_onep): Likewise.
3587 (integer_all_onesp): Likewise.
3588 (integer_pow2p): Likewise.
3589 (integer_nonzerop): Likewise.
3590 (real_zerop): Likewise.
3591 (real_onep): Likewise.
3592 (real_twop): Likewise.
3593 (real_minus_onep): Likewise.
3594 (int_size_in_bytes): Likewise.
3595 (host_integerp): Likewise.
3597 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3599 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3600 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3601 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3603 * tree-ssa-structalias.h (alias_info): Remove num_references.
3605 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3607 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3608 (output_bvb patterns): Likewise.
3609 * pa.c (output_bb): Use 'bb' insn for long branch case.
3610 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3611 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3612 1. Correct length operand for alternatives 1 and 2.
3613 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3614 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3616 2006-04-14 Roger Sayle <roger@eyesopen.com>
3618 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3619 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3620 were accidentally reverted by r112959.
3622 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3625 * except.h (eh_region_outermost): New prototype.
3626 * except.c (eh_region_outermost): New function.
3627 * tree-cfg.c (find_outermost_region_in_block): Use it.
3629 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3631 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3633 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3634 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3635 (init_reload, reload): Use VEC instead of VARRAY.
3636 * reload.h: Update the prototype for
3637 reg_equiv_memory_loc_varray.
3639 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3640 Eric Botcazou <ebotcazou@libertysurf.fr>
3642 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3645 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3648 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3649 to expand fallback builtin function call.
3651 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3654 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3655 and emit libcall here in case the builtin fails.
3656 (expand_builtin_strcmp): Always emit the libcall here on failure.
3658 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3660 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3661 * flow.c (reg_n_info): Change the type to
3662 VEC(reg_info_p,heap) *.
3663 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3665 * regs.h (reg_info_p): New.
3666 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3667 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3668 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3671 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3673 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3675 * params.h (MAX_SCHED_READY_INSNS): New macro.
3676 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3677 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3678 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3679 the ready list for 1 cycle during the first scheduling pass.
3680 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3682 2006-04-13 Richard Henderson <rth@redhat.com>
3685 * gimple-low.c (lower_omp_directive): Remove dead code.
3686 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3687 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3688 * omp-low.c (struct omp_region): Move to tree-flow.h.
3689 (root_omp_region): Export.
3690 (omp_regions, lookup_omp_region): Remove.
3691 (determine_parallel_type): Update for struct omp_region changes.
3692 (dump_omp_region): Dump regions with block numbers.
3693 (new_omp_region): Take type and block instead of stmt; malloc
3695 (free_omp_region_1, free_omp_regions): New.
3696 (expand_parallel_call): Take entry_stmt as argument; update for
3697 changes to omp_region.
3698 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3699 (remove_exit_barriers): New.
3700 (expand_omp_parallel): Update for struct omp_region changes.
3701 (expand_omp_synch): Likewise.
3702 (expand_omp): Likewise.
3703 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3704 (expand_omp_for_static_chunk): Likewise.
3705 (expand_omp_for): Likewise.
3706 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3707 (expand_omp_sections): Similarly, with GOMP_sections_end.
3708 (expand_omp_single): New.
3709 (build_omp_regions_1): Update for OMP_CONTINUE.
3710 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3711 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3712 OMP_SECTIONS_SECTIONS.
3713 (lower_omp_single_simple): Don't emit barrier here.
3714 (lower_omp_single_copy): Likewise.
3715 (lower_omp_single): Fix bindings, and lower to straightline now.
3716 (lower_omp_master, lower_omp_ordered): Likewise.
3717 (lower_omp_critical): Likewise.
3718 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3719 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3720 omp edges, free it afterward.
3721 (make_omp_sections_edges): Remove.
3722 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3723 (move_stmt_r): Handle OMP_CONTINUE.
3724 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3725 statement pointers to basic blocks. Add type member.
3726 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3727 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3728 * tree-inline.c (estimate_num_insns_1): Likewise.
3729 * tree-pretty-print.c (dump_generic_node): Likewise.
3730 * tree-ssa-operands.c (get_expr_operands): Likewise.
3731 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3732 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3733 (OMP_CONTINUE): New.
3734 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3735 (OMP_SECTIONS_SECTIONS): Remove.
3736 (OMP_SECTION_LAST): New.
3737 (OMP_RETURN_NOWAIT): New.
3739 2006-04-13 Roger Sayle <roger@eyesopen.com>
3741 * fold-const.c (native_encode_vector, native_interpret_real):
3742 Correct obvious mistakes in the previous check-in.
3744 2006-04-13 Roger Sayle <roger@eyesopen.com>
3746 * fold-const.c (native_encode_expr): New function to encode
3747 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3748 or VECTOR_CST into a specified buffer.
3749 (native_encode_int): New function.
3750 (native_encode_real): New function.
3751 (native_encode_complex): New function.
3752 (native_encode_vector): New function.
3753 (native_interpret_expr): Inverse of native_encode_expr to convert
3754 a target representation into an INTEGER_CST, REAL_CST etc...
3755 (native_interpret_int): New function.
3756 (native_interpret_real): New function.
3757 (native_interpret_complex): New function.
3758 (native_interpret_vector): New function.
3759 (fold_view_convert_expr): New function to constant fold/evaluate
3760 a VIEW_CONVERT_EXPR of a suitable constant expression.
3761 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3762 Change call of build1 to fold_build1 when constructing a
3765 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3766 Ulrich Weigand <uweigand@de.ibm.com>
3769 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3772 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3775 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3776 optimize to lo_sum for DFmode if !TARGET_FPRS.
3778 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3780 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3781 delete_alias_info, compute_flow_sensitive_aliasing,
3782 group_aliases): Use VEC instead of VARRAY.
3783 * tree-ssa-structalias.c (update_alias_info): Likewise.
3784 * tree-ssa-structalias.h (alias_info): Change the type of
3785 processed_ptrs to VEC(tree,heap) *.
3787 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3790 * config/sh/lib1funcs.h: New file, broken out of:
3791 * config/sh/lib1funcs.asm.
3792 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3794 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3795 * config/sh/lib1funcs-Os-4-200.asm: New file.
3796 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3797 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3798 (EXTRA_MULTILIB_PARTS): Include it.
3799 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3800 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3801 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3802 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3805 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3807 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3808 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3809 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3811 * tree-ssa-live.h: Include vecprim.h.
3812 (tree_partition_associator_d): Change the type of
3813 first_partition to VEC(int,heap) *.
3814 (tpa_first_partition): Use VEC instead of VARRAY.
3816 * Makefile.in (GTFILES): Move functions.h after tree.h.
3817 * function.c (reset_block_changes, record_block_change,
3818 check_block_change, free_block_changes): Use VEC instead of
3820 * function.h (function): Change the type of
3821 ib_boundaries_block to VEC(tree,gc) *.
3822 * tree-inline.c (copy_cfg_body): Initialize
3823 ib_boundaries_block to NULL instead of (varray_type) 0.
3825 2006-04-12 Roger Sayle <roger@eyesopen.com>
3827 * expr.c (emit_group_store): Correct operand order in call to
3828 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3829 a SUBREG_BYTE of zero.
3831 2006-04-12 Richard Guenther <rguenther@suse.de>
3833 * profile.c (compute_branch_probabilities): Remove code
3834 encapsulated in !ir_type (), which are remanents of the
3835 removed RTL profiling code.
3836 * rtl-profile.c: Remove.
3838 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3840 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3841 magic NULL_RTX comment.
3842 (function_arg): Store entire fp arg to mem if any part should go
3844 (rs6000_arg_partial_bytes): Adjust for above change.
3846 2006-04-11 Roger Sayle <roger@eyesopen.com>
3848 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3849 if it hasn't been initialized by dwarf2out_init.
3851 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3853 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3854 symbolic constants in branch patterns.
3856 2006-04-11 Roger Sayle <roger@eyesopen.com>
3858 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3860 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3862 PR rtl-optimization/27073
3863 * gcse.c (try_replace_reg): Revert last change. Continue to search
3864 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3867 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3869 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3870 aggregate types other than record and union types.
3871 (function_arg): Likewise.
3872 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3874 (function_value): In 64-bit mode, return objects that require it
3877 2006-04-11 Roger Sayle <roger@eyesopen.com>
3879 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3881 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3883 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3885 2006-04-03 Jeff Law <law@redhat.com>
3888 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3889 alias information too.
3891 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3893 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3895 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3898 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3899 (premark_used_types_helper): New.
3900 (premark_used_types): New.
3901 (gen_subprogram_die): Call premark_used_types.
3902 (prune_unused_types_walk): Do not prune perennial dies.
3903 * function.c (used_types_insert): New.
3904 * function.h (struct function): Add used_types_hash field.
3905 (used_types_insert): Add prototype.
3906 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3907 * c-parser.c (c_parser_cast_expression): Save casted types in used
3910 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3913 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3914 rs6000_explicit_options.float_gprs.
3916 2006-04-10 Roger Sayle <roger@eyesopen.com>
3918 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3919 from ix86_expand_vector_init_low_nonzero. Take an additional
3920 one_var argument indicating which element is non-zero. Support
3921 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3922 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3923 with one_var instead of ix86_expand_vector_init_low_nonzero.
3925 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3927 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3928 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3929 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3930 build/genextract.o): Depend on vecprim.h.
3931 * cfglayout.c, df-problems.c, function.c, genextract.c,
3932 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3933 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3937 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3939 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3940 Declare VECs of this type.
3941 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3942 (remove_children): Delete.
3943 (add_dwarf_attr): Use VEC routines.
3944 (add_AT_flag): Update for changes to add_dwarf_attr.
3945 (add_AT_int): Likewise.
3946 (add_AT_unsigned): Likewise.
3947 (add_AT_long_long): Likewise.
3948 (add_AT_vec): Likewise.
3949 (add_AT_string): Likewise.
3950 (add_AT_die_ref): Likewise.
3951 (add_AT_fde_ref): Likewise.
3952 (add_AT_loc): Likewise.
3953 (add_AT_loc_list): Likewise.
3954 (add_AT_addr): Likewise.
3955 (add_AT_lbl_id): Likewise.
3956 (add_AT_lineptr): Likewise.
3957 (add_AT_macptr): Likewise.
3958 (add_AT_offset): Likewise.
3959 (add_AT_range_list): Likewise.
3960 (get_AT): Use VEC_iterate.
3961 (remove_AT): Use VEC_ordered_remove.
3962 (free_die): Fold remove_children into here; have it use VEC_iterate.
3963 (print_die): Use VEC_iterate on attrs.
3964 (reverse_die_lists): Don't reverse attr lists.
3965 (die_checksum): Use VEC_iterate on attrs.
3966 (same_die_p): Likewise.
3967 (output_location_lists): Likewise.
3968 (build_abbrev_table): Likewise.
3969 (size_of_die): Likewise.
3970 (unmark_all_dies): Likewise.
3971 (output_abbrev_section): Likewise.
3972 (output_die): Likewise.
3973 (prune_unused_types_walk_attribs): Likewise.
3975 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3977 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3979 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3982 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3984 2006-04-09 Roger Sayle <roger@eyesopen.com>
3986 * expr.c (store_constructor): Don't bother clearing target if
3987 we're about to assign a vector to it using vec_init_optab.
3989 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3991 * tree-ssa-alias.c (lhs_may_store_to): New function.
3992 (recalculate_used_alone): Handle LHS of calls.
3994 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3998 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3999 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4000 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4001 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4002 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4003 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4004 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4005 stubs. Add ".align 8" directives before all ".dword" directives.
4006 (GTHREAD_USE_WEAK): Revise comment.
4007 (TARGET_ATTRIBUTE_WEAK): Define.
4008 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4009 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4010 * stublib.c: New file.
4015 * pa.md (cbranch patterns): Revise arguments used in calls to
4016 output_cbranch, output_bb and output_bvd. Add long branch length
4018 (fbranch patterns): Handle long branches.
4019 (jump): Revise length check. Revise arguments for output_lbranch call.
4020 Add long branch length attributes.
4021 (decrement_and_branch_until_zero): Add long branch length attributes.
4022 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4023 Likewise. Revise arguments for output_parallel_addb and
4024 output_parallel_movb calls.
4025 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4026 output_parallel_movb and output_parallel_addb): Update prototypes.
4027 * pa.c (output_cbranch): Revise arguments. Correct handling of
4028 nullification in long branches.
4029 (output_lbranch): Add new argument to control extraction of delay
4031 (output_bb): Handle long branches.
4032 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4033 output_parallel_addb): Likewise.
4035 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4037 PR rtl-optimization/27073
4038 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4041 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4043 * tree.h (tree_memory_tag): Add old_used_alone.
4044 (SMT_OLD_USED_ALONE): New macro.
4045 * tree-ssa-alias.c (recalculate_used_alone): Stop
4046 marking things for renaming unnecessarily.
4048 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4050 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4051 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4052 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4053 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4054 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4055 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4056 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4057 spelling convensions.
4058 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4059 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4060 typos. Follow spelling conventions.
4062 2006-04-07 DJ Delorie <dj@redhat.com>
4064 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4065 passed on the stack.
4066 (m32c_init_cumulative_args): When a function returns a structure,
4067 always pass the pointer to that return area on the stack.
4068 (m32c_function_arg_advance): Don't increment the parameter number
4069 if we're processing the returned structure pointer.
4070 (pushm_info): Reverse order of registers.
4072 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4074 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4075 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4076 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4077 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4079 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4080 chrec_fold_multiply): Same.
4081 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4082 force_expr_to_var_cost): Same.
4083 * tree-mudflap.c (mf_xform_derefs_1): Same.
4084 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4086 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4088 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4089 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4092 2006-04-07 Jan Hubicka <jh@suse.cz>
4094 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4096 2006-04-07 Richard Guenther <rguenther@suse.de>
4098 PR tree-optimization/26135
4099 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4100 loads for store copy-prop.
4101 (copy_prop_visit_stmt): Likewise.
4103 2006-04-05 Robert Millan <robertmh@gnu.org>
4105 * config/i386/linux.h: Add a comment to mark macros that are
4106 being overriden in config/k*bsd-gnu.h.
4107 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4109 * config/knetbsd-gnu.h: Ditto.
4111 2006-04-06 Jan Hubicka <jh@suse.cz>
4115 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4118 2006-04-06 Mike Stump <mrs@apple.com>
4120 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4121 for HAVE_nonlocal_goto to be consistent.
4122 (expand_builtin_nonlocal_goto): Likewise.
4123 (expand_builtin_strcmp): Use #ifdef instead of #if
4124 for HAVE_cmpstrnsi to be consistent.
4126 2006-04-05 DJ Delorie <dj@redhat.com>
4128 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4131 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4133 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4134 got-relative addressing for anything but SImode.
4136 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4137 even if the calling function doesn't modify them.
4139 2006-04-05 Richard Guenther <rguenther@suse.de>
4141 PR tree-optimization/26919
4142 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4143 to cgraph_estimate_size_after_inlining.
4145 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4147 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4149 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4151 PR tree-optimization/26996
4152 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4153 VECTOR_TYPE variables.
4155 2006-04-05 Richard Guenther <rguenther@suse.de>
4157 PR tree-optimization/26763
4158 * fold-const.c (fold_comparison): Move folding of
4159 PTR + CST CMP PTR + CST ...
4160 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4162 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4164 * doc/install.texi (Prerequisites): Refine some wording on
4165 bootstrapping and ksh.
4166 Move the version numbers of DejaGnu here from the testing section
4167 and fix casing of names.
4168 Fix markup and clarify wording for autogen requirements.
4169 Refer to GCJ instead of just java.
4170 Refer to SVN instead of CVS.
4171 Describe diffutils as useful instead of necessary.
4172 (Downloading the source): Refer to SVN instead of CVS.
4173 Adjust a link to our web site accordingly.
4174 (Configuration): Fix casing of Bison.
4175 (Building): Refer to SVN instead of CVS.
4176 Fix a sentence on the use of Bison and remove duplicate (and
4177 incorrect) version number of Bison requirement.
4178 Remove one redundant list of packages needed for building.
4179 (Specific): Avoid reference to CVS.
4181 2006-04-04 Eric Christopher <echristo@apple.com>
4183 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4184 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4185 (rs6000_handle_struct_attribute): New.
4186 (rs6000_ms_bitfield_layout_p): Ditto.
4188 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4190 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4191 NULL for dso parameter to atexit_common.
4193 2006-04-04 Eric Christopher <echristo@apple.com>
4195 * config/i386/i386.c (machopic_output_stub): Output \t
4196 between instructions and operands.
4198 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4200 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4201 satisfies_constraint_[IL] to explicit tests on value.
4203 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4205 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4206 set_nb_iterations_in_loop): Use build_int_cst instead of
4208 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4209 build_int_cst instead of convert.
4211 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4213 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4214 new value 2 for incoming.
4215 * function.c (expand_function_start): Call struct_value_rtx
4217 * config/sparc/sparc.md: Comment updated_return.
4218 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4219 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4220 struct return if sparc_std_struct_return and incoming is 2.
4221 (print_operand): Do not adjust return if
4222 sparc_std_struct_return.
4224 2006-04-04 Roger Sayle <roger@eyesopen.com>
4226 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4227 convert in the middle-end.
4228 * expr.c (store_expr, store_constructor, get_inner_reference,
4229 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4231 * tree.c (build_range_type): Likewise.
4233 2006-04-04 Tom Tromey <tromey@redhat.com>
4235 * doc/install.texi (Prerequisites): Mention jar.
4237 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4239 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4242 2006-04-04 Matthias Klose <doko@debian.org>
4244 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4245 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4248 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4250 * doc/extend.texi (Function Attributes): Rewrite visibility
4251 attribute documentation.
4252 * doc/invoke.texi (C++ Dialect Options): Rewrite
4253 -fvisibility-inlines-hidden documentation to describe something
4254 entirely different, although in practise compatible.
4255 (Code Gen Options): Warn about system headers in -fvisibility=
4258 * doc/extend.texi (Other Builtins): Document that
4259 __builtin_nan is a compile-time constant only when its argument
4262 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4264 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4265 trying to remove TRUNCATE check if all bits outside the new mode
4266 are identical to the sign bit.
4268 2006-04-03 Jeff Law <law@redhat.com>
4270 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4271 and operand scanning in some common cases.
4273 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4274 Dale Johannesen <dalej@apple.com>
4277 * regclass.c (struct reg_pref): Update documentation.
4278 (regclass): Set prefclass to NO_REGS if memory is the best option.
4279 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4280 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4281 into account. For non-registers, equate an empty preferred
4282 reload class to a `!' in the constraint; move the if clause to
4283 do so after those that reject the insn.
4284 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4286 (find_dummy_reload): Likewise.
4287 * doc/tm.texi (Register Classes): Document what it means
4288 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4289 * config/i386/i386.c (ix86_preferred_reload_class): Force
4290 using SSE registers (and return NO_REGS for floating-point
4291 constants) if math is done with SSE.
4292 (ix86_preferred_output_reload_class): New.
4293 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4294 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4295 * config/i386/i386.md: Remove # register preferences.
4297 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4300 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4301 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4302 the type of nb_iter.
4303 (instantiate_parameters_1): Convert the operands before calling
4304 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4305 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4307 2006-04-02 Roger Sayle <roger@eyesopen.com>
4309 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4310 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4312 * dojump.c (do_jump): Likewise.
4313 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4314 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4315 gimplify_boolean_expr): Likewise.
4316 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4317 * varasm.c (array_size_for_constructor): Likewise.
4318 * tree-object-size.c (compute_object_offset): Likewise.
4320 2006-04-02 Roger Sayle <roger@eyesopen.com>
4323 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4324 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4326 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4328 PR tree-optimization/26939
4329 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4331 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4333 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4334 at_stmt. Convert the type of operands before calling
4335 build_polynomial_chrec.
4336 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4338 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4339 (instantiate_parameters_1): Convert the type of operands before calling
4340 build_polynomial_chrec.
4341 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4342 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4343 reset_evolution_in_loop): Insert asserts to check the types of the
4345 (chrec_type): Moved...
4346 (eq_evolutions_p): Use operand_equal_p.
4347 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4348 the types of the operands.
4349 (chrec_type): ...here.
4350 * tree-data-ref.c (create_data_ref): Convert the operands before
4351 calling chrec_replace_initial_condition.
4352 (same_access_functions, analyze_subscript_affine_affine,
4353 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4354 (compute_subscript_distance, analyze_ziv_subscript,
4355 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4356 analyze_miv_subscript): Convert the operands before calling
4357 chrec_fold_minus or chrec_fold_plus.
4359 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4361 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4362 the dependence_relations vector.
4363 (compute_data_dependences_for_loop): Adjust call to
4364 compute_all_dependences.
4366 2006-04-01 Roger Sayle <roger@eyesopen.com>
4367 Richard Henderson <rth@redhat.com>
4369 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4370 gimple_boolify on the condition before calling gimplify_expr.
4372 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4374 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4375 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4376 the frame size. Update to use the new macros.
4377 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4378 * config/xtensa/ieee754-df.S: Likewise.
4380 2006-03-31 Richard Henderson <rth@redhat.com>
4382 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4383 (make_edges): ... here. Control fallthru creation with a local
4384 variable. Do not play with fake edges.
4385 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4386 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4389 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4391 * dwarf2.h (DW64_CIE_ID): Define.
4392 * dwarf2out.c (DWARF_CIE_ID): Define.
4393 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4394 length header. Use DWARF_CIE_ID.
4395 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4396 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4398 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4400 * config/sh/linux-atomic.asm: New file.
4401 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4403 2006-03-31 DJ Delorie <dj@redhat.com>
4405 * config/m32c/cond.md: Set condition flags properly throughout.
4406 * config/m32c/minmax.md: Likewise.
4407 * config/m32c/prologue.md: Likewise.
4408 * config/m32c/bitops.md: Likewise.
4409 * config/m32c/muldiv.md: Likewise.
4410 * config/m32c/mov.md: Likewise.
4411 * config/m32c/addsub.md: Likewise.
4412 * config/m32c/m32c.md: Likewise.
4413 * config/m32c/jump.md: Likewise.
4414 * config/m32c/shift.md: Likewise.
4416 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4417 conditionally output the pattern for this.
4418 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4419 (m32c_compare_redundant): New.
4420 (m32c_output_compare): New.
4421 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4423 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4424 dest, not src. Allow other 4-byte modes.
4426 2006-03-30 Denis Chertykov <denisc@overta.ru>
4428 * doc/md.texi: Refer to avr/constraints.md instead of
4431 2006-03-30 Roger Sayle <roger@eyesopen.com>
4433 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4434 signed vs. unsigned comparison failures on some hosts.
4436 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4439 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4440 change to FLOAT_REGS.
4442 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4443 (rs6000_override_options): Use it.
4444 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4445 only for -mabi=spe/no-spe and -mabi=altivec.
4447 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4449 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4452 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4454 * Makefile.in: Rename docdir to gcc_docdir.
4456 2006-03-30 Roger Sayle <roger@eyesopen.com>
4459 * expr.c (emit_group_store): Optimize group stores into a pseudo
4460 register by using a paradoxical subreg to initialize the destination
4461 if the first or last member of the group specifies a "low part".
4463 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4466 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4467 * target.h (struct gcc_target.speculate_insn): Change type of the
4468 second parameter to 'int'.
4469 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4470 the second operand of the DEPS_LIST.
4471 (copy_DEPS_LIST_list): Update reference to the second operand of the
4473 * rtl.h (alloc_DEPS_LIST): Update signature.
4474 * sched-int.h (ds_t): Change typedef to 'int'.
4475 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4477 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4479 * haifa-sched.c (try_ready): Change condition to restore
4480 non-speculative pattern of the instruction.
4481 (process_insn_depend_be_in_spec): Code to keep probability of the
4482 speculative dependence non-decreasing.
4484 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4486 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4487 (single_move_for_movmem): ... this. Also change all uses.
4488 (bfin_expand_strmov): Renamed to...
4489 (bfin_expand_movmem): ... this. Also change all uses.
4490 * config/bfin/bfin.md (movstrsi): Renamed to...
4491 (movstrsi): ...this.
4493 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4495 PR tree-optimization/26830
4497 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4498 (copy_prop_visit_stmt): Remove write-only variable ann.
4499 (init_copy_prop): Check variable loop depth here. Do not simulate
4500 memory-tag and virtual operand PHIs except for store copy prop.
4502 2006-03-30 Richard Guenther <rguenther@suse.de>
4504 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4505 variants with double arguments.
4507 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4509 * genpreds.c (write_tm_constrs_h): Delete variable p.
4510 * genconditions.c (write_header): Add tm-constrs.h to included
4512 * genpeep.c (main): Add toplev.h to included headers.
4513 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4514 (build/genpeep.o): Add toplev.h dependency.
4515 * config/rs6000/constraints.md: Add "W" constraint.
4517 2006-03-29 Roger Sayle <roger@eyesopen.com>
4519 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4520 sizes by correctly testing whether the size fits a host integer.
4521 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4522 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4523 SImode range for the default sizetype and bitsizetype.
4525 2006-03-29 Roger Sayle <roger@eyesopen.com>
4527 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4528 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4529 quickly if the argument is already of the correct type.
4530 Call fold_build1 instead of build1. Tidy up blank lines.
4532 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4534 * genemit.c (main): Add tm-constrs.h to included headers.
4535 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4536 * genpeep.c (main): Add tm-constrs.h to included headers.
4537 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4538 (write_tm_constrs_h): this and write complete file.
4539 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4540 (write_insn_preds_c): Add tm-constrs.h to included headers.
4541 (gen_constrs): New variable.
4542 (parse_option): Parse "-c".
4543 (main): Invoke write_tm_constrs_h.
4544 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4545 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4546 (object_out_file): Add tm-constrs.h dependency.
4547 (insn-emit.o): Same.
4548 (insn-output.o): Same.
4549 (insn-peep.o): Same.
4550 (insn-preds.o): Same.
4551 (insn-recog.o): Same.
4552 (tm-constsr.h): New target.
4553 (s-constrs-h): New target.
4555 * config/rs6000/constraints.md: New file.
4556 * config/rs6000/rs6000.c: Include tm-constrs.h.
4557 (num_insn_constant_wide): Convert to satisfies_constraint.
4558 (rs6000_rtx_costs): Convert to satisfies_constraint.
4559 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4560 (CONST_OK_FOR_LETTER_P): Delete.
4561 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4562 (EXTRA_CONSTRAINT): Delete.
4563 (EXTRA_MEMORY_CONSTRAINT): Delete.
4564 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4565 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4566 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4567 satisfies_constraint.
4569 * config/i386/i386.c: Include tm-constrs.h.
4571 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4573 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4574 * tree-data-ref.c (find_data_references_in_loop,
4575 compute_data_dependences_for_loop): Use pointers to VEC.
4576 (analyze_all_data_dependences): Adjust calls.
4577 * tree-data-ref.h (find_data_references_in_loop,
4578 compute_data_dependences_for_loop): Adjust declarations.
4579 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4580 compute_data_dependences_for_loop.
4582 2006-03-29 Paul Brook <paul@codesourcery.com>
4584 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4587 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4589 PR tree-optimization/26859
4590 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4592 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4593 for the step after fold_convert.
4595 2006-03-29 Paul Brook <paul@codesourcery.com>
4597 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4598 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4600 2006-03-29 Paul Brook <paul@codesourcery.com>
4603 * targhooks.c (default_narrow_bitfield): New fuction.
4604 * targhooks.h (default_narrow_bitfield): add prototype.
4605 * target.h (gcc_target): Add narrow_volatile_bitfield.
4606 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4607 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4608 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4609 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4611 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4613 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4615 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4616 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4617 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4618 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4619 (s390_function_arg_float): Allow SDmode and DDmode values to be
4620 passed in floating point registers.
4621 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4622 check with SCALAR_FLOAT_MODE_P.
4623 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4625 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4627 PR tree-optimization/25985
4628 * tree-ssa-loop-niter.c (number_of_iterations_le,
4629 number_of_iterations_ne): Make comments more precise.
4630 (number_of_iterations_cond): Add only_exit argument. Use the
4631 fact that signed variables do not overflow only when only_exit
4633 (loop_only_exit_p): New.
4634 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4635 number_of_iterations_cond.
4637 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4639 PR tree-optimization/26643
4640 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4643 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4645 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4646 (divsi3_i4_int): Likewise.
4648 2006-03-28 Roger Sayle <roger@eyesopen.com>
4650 * expr.c (emit_group_store): Only create a new pseudo reg if the
4651 quantity it needs to hold isn't already a suitable pseudo.
4653 2006-03-28 Jeff Law <law@redhat.com>
4655 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4656 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4658 2006-03-28 Roger Sayle <roger@eyesopen.com>
4660 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4661 the equivalent ~X & Y, and the symmetry related transformations.
4662 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4663 ~X & Y, and symmetry related transforms.
4665 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4667 Revert my 2006-03-27 patches.
4669 2006-03-28 Roger Sayle <roger@eyesopen.com>
4671 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4672 ~(T1)X, when T1 and T2 are integer types of the same precision
4673 and (T2)X isn't an extension.
4675 2006-03-28 Jeff Law <law@redhat.com>
4677 PR tree-optimization/26796
4678 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4679 need EH edge cleanups rather than purging them immediately.
4680 (eliminate_degenerate_phis): Handle queued EH cleanups.
4682 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4684 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4687 2006-03-27 Roger Sayle <roger@eyesopen.com>
4690 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4691 cast BIT_NOT_EXPR operand to the correct type.
4693 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4695 * tree-loop-linear.c: Don't include varray.h.
4696 (gather_interchange_stats, try_interchange_loops,
4697 linear_transform_loops): Use VEC instead of VARRAY.
4698 * lambda-mat.c: Don't include varray.h.
4699 * tree-chrec.c: Same.
4700 * lambda-trans.c: Same.
4701 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4702 VEC instead of VARRAY.
4703 * tree-vectorizer.h: Idem.
4704 * tree-data-ref.c (dump_data_references,
4705 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4706 initialize_data_dependence_relation, finalize_ddr_dependent,
4707 compute_all_dependences, find_data_references_in_loop,
4708 compute_data_dependences_for_loop, analyze_all_data_dependences,
4709 free_dependence_relation, free_dependence_relations,
4710 free_data_refs): Idem.
4711 * tree-data-ref.h (data_reference_p, subscript_p): New.
4712 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4713 VEC instead of VARRAY.
4714 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4715 (find_data_references_in_loop, compute_data_dependences_for_loop,
4716 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4717 dump_data_dependence_relations, free_dependence_relations,
4718 free_data_refs): Adjust declaration.
4719 (lambda_transform_legal_p): Move declaration here...
4720 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4721 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4722 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4723 vect_analyze_data_refs): Use VEC instead of VARRAY.
4724 * lambda.h (lambda_transform_legal_p): ...from here.
4725 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4726 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4727 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4728 tree-chrec.o): Don't depend on VARRAY_H.
4730 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4732 * rtl.def (Copyright): Update date.
4733 (DEPS_LIST): Change type of the second operand to 'int'.
4734 * target.h (Copyright): Update date.
4735 (struct gcc_target.speculate_insn): Change type of the second parameter
4737 * lists.c (Copyright): Update date.
4738 (alloc_DEPS_LIST): Change signature. Update reference to the second
4739 operand of the DEPS_LIST.
4740 (copy_DEPS_LIST_list): Update reference to the second operand of the
4742 * rtl.h (Copyright): Update date.
4743 (alloc_DEPS_LIST): Update signature.
4744 * sched-int.h (Copyright): Update date.
4745 (ds_t): Change typedef to 'int'.
4746 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4748 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4750 * haifa-sched.c (Copyright): Update date.
4751 (try_ready): Change condition to restore non-speculative pattern
4753 (process_insn_depend_be_in_spec): Code to keep probability of the
4754 speculative dependence non-decreasing.
4756 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4758 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4759 shut up the compiler.
4761 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4763 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4764 to use lib prefix for target.
4765 ($(T)libic_invalidate_array_4-200.a): Likewise.
4766 ($(T)libic_invalidate_array_4a.a): Likewise.
4768 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4769 J"orn Rennecke <joern.rennecke@st.com>
4771 * superh.opt: New file.
4772 * sh.c (boardtype, osruntime): Remove.
4773 * superh.h (SUBTARGET_OPTIONS): Remove.
4774 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4776 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4777 arguments with ^ and/or [].
4779 * config.gcc (sh-*-*): Add quoting to account for quirk of
4781 Replace == with = in enable_incomplete_targets test.
4783 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4784 with MASK_LITTLE_ENDIAN.
4786 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4787 * config/sh/sh.opt: Added to some comments.
4788 * config/sh/superh.h: Removed some chaff.
4790 * config/sh/sh.opt: Add m4-[1234]00* options.
4791 * config/sh/sh.c (sh_handle_option): Likewise.
4792 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4793 (ic_invalidate_array_4-100.o): New rule.
4794 ($(T)libic_invalidate_array_4-100.a): Likewise.
4795 (ic_invalidate_array_4-200.o): Likewise.
4796 ($(T)libic_invalidate_array_4-200.a): Likewise.
4797 (ic_invalidate_array_4a.o): Likewise.
4798 ($(T)libic_invalidate_array_4a.a): Likewise.
4799 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4800 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4802 * config/sh/crt1.asm: Merged in profiling code.
4803 * config/sh/superh.h (STARTFILE_SPEC): Override.
4804 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4805 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4806 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4808 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4809 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4810 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4812 * sh.opt (mpretend-cmove): New option.
4813 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4814 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4815 (movsicc): Add TARGET_PRETEND_CMOVE code.
4817 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4819 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4820 s390_class_max_nregs): New function prototypes.
4821 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4822 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4823 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4824 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4826 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4828 * dwarf2out.c (add_location_or_const_value_attribute): Call
4829 tree_add_const_value_attribute if nothing else works.
4830 (reference_to_unused): New.
4831 (rtl_for_decl_init): Use reference_to_unused to decide whether
4832 to output an initializer.
4834 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4837 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4838 peephole removing spe frob_di_df_2.
4840 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4842 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4843 (subscript_dependence_tester_1): Declared.
4844 (print_dir_vectors, print_dist_vectors): New.
4845 (debug_data_dependence_relation): New.
4846 (dump_data_dependence_relation): Print more details.
4847 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4848 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4849 (save_dist_v, save_dir_v, add_outer_distances,
4850 build_classic_dist_vector_1): New.
4851 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4852 Don't test for lambda_vector_lexico_pos.
4853 (same_access_functions, add_multivariate_self_dist,
4854 add_other_self_distances, dir_from_dist): New.
4855 (build_classic_dir_vector): Replace implementation almost identical to
4856 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4858 (subscript_dependence_tester_1): New.
4859 (subscript_dependence_tester): Handle the lexicographically negative
4860 distance vectors by recomputing the dependence relation.
4861 (compute_affine_dependence): Remove parameter loop_nest_depth.
4862 (compute_self_dependence): Don't call compute_subscript_distance.
4863 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4864 Add a parameter for the loop_nest.
4865 (find_loop_nest_1, find_loop_nest): New.
4866 (compute_data_dependences_for_loop): Compute the loop nest, and give
4867 up if the nest is not well formed.
4868 * tree-data-ref.h (loop_p): New.
4869 (struct data_dependence_relation): Replace size_vect field with
4870 loop_nest, a vec of loops.
4871 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4872 (DDR_LOOP_NEST): New.
4873 (print_dir_vectors, print_dist_vectors,
4874 debug_data_dependence_relation): Declared.
4875 (index_in_loop_nest): New.
4876 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4877 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4880 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4882 * simplify-rtx.c (simplify_relational_operation): Call
4883 simplify_relational_operation_1 even if mode is VOIDmode.
4885 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4887 PR tree-optimization/26804
4888 * tree.h (DECL_CALL_CLOBBERED): New macro.
4889 (tree_decl_common): Add call_clobbered_flag.
4890 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4891 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4892 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4893 (mark_non_addressable): Ditto.
4894 * tree-ssa.c (verify_call_clobbered): New function.
4895 (verify_alias_info): Use it.
4896 * tree-pass.h (pass_reset_cc_flags): New prototype.
4897 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4898 (reset_cc_flags): New function.
4899 * passes.c (init_optimization_passes): Call reset_cc_flags after
4900 initializing referenced_vars.
4902 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4903 Roger Sayle <roger@eyesopen.com>
4906 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4907 to 1.0 for non-real operands. Implement A / A optimization for
4910 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4912 * config/i386/i386.c (size_cost): Correct the comment for
4913 cost of storing fp registers.
4914 (i386_cost): Likewise.
4915 (i486_cost): Likewise.
4916 (pentium_cost): Likewise.
4917 (pentiumpro_cost): Likewise.
4918 (k6_cost): Likewise.
4919 (athlon_cost): Likewise.
4920 (k8_cost): Likewise.
4921 (pentium4_cost): Likewise.
4922 (nocona_cost): Likewise.
4923 (generic64_cost): Likewise.
4924 (generic32_cost): Likewise.
4926 2006-03-24 Denis Chertykov <denisc@overta.ru>
4928 * config/avr/avr-protos.h (extra_constraint): Delete.
4929 (extra_constraint_Q): New declaration.
4930 * config/avr/constraints.md: New file.
4931 * config/avr/avr.md: Include it.
4932 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4933 (TMP_REGNO, ZERO_REGNO): Likewise.
4934 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4935 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4936 (extra_constraint): Delete.
4937 (extra_constraint_Q): Test for memory constraint 'Q'.
4938 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4939 (REG_CLASS_FROM_LETTER): Delete.
4940 (CONST_OK_FOR_LETTER_P): Delete.
4941 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4942 (EXTRA_CONSTRAINT): Delete.
4943 (TMP_REGNO): Delete.
4944 (ZERO_REGNO): Delete.
4946 2006-03-24 Jeff Law <law@redhat.com>
4948 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4949 directly. Call mark_new_vars_to_rename slightly earlier.
4951 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4953 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4955 (gen_compile_unit_die): Use new language types for Objective-C and
4957 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4958 DW_LANG_C_plus_plus.
4961 * config/t-darwin (crt3.o): Work around bug 26840.
4962 * config/darwin-crt3.c: Rewrite.
4963 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4965 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4967 * doc/invoke.texi: Document -femit-class-debug-always
4968 * common.opt: Add -femit-class-debug-always.
4970 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4972 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4973 index and base register.
4974 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4975 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4976 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4977 REGNO_OK_FOR_INDEX_P.
4978 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4980 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4981 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4982 REG_OK_FOR_BASE_P): Definitions removed.
4984 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4987 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4988 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4989 set yet or weren't marked as local yet.
4991 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4993 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4996 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4998 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4999 (rs6000_legitimate_small_data_p): Delete.
5000 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5001 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5002 and make static. Add forward declaration. Update uses.
5003 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5004 of offsettable_memref_p.
5005 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5006 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5008 2006-03-24 Jeff Law <law@redhat.com>
5010 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5011 around bug in immediate-use iterator.
5013 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5016 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5017 or __LITTLE_ENDIAN__.
5019 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5021 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5022 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5023 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5024 * config/sh/sh.opt (mdiv=): Amend description.
5025 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5026 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5027 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5028 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5029 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5030 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5031 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5032 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5033 TARGET_DIVIDE_CALL_FP.
5035 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5037 * haifa-sched.c (choose_ready): Fix type of the local variable.
5038 Move local variables. Add comment.
5039 (check_reg_live): Change signature. Make callable from debugger.
5040 * sched-int.h (check_reg_live): Update signature.
5041 * sched-ebb.c (check_reg_live): Update parameters.
5042 * sched-rgn.c (check_reg_live): Ditto.
5043 (region_head_or_leaf_p): Check pointer before dereferencing.
5044 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5045 before reload on optimization levels below 1.
5047 2006-03-23 Richard Henderson <rth@redhat.com>
5049 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5053 * config/alpha/predicates.md (local_symbolic_operand): Reject
5056 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5059 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5060 expressions which have overflowed constants.
5062 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5064 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5066 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5068 * cfgloopmanip.c (create_loop_notes): Removed.
5069 * final.c (final_scan_insn): Do not handle loop notes.
5070 * jump.c (squeeze_notes): Ditto.
5071 * cfglayout.c (skip_insns_after_block,
5072 duplicate_insn_chain): Ditto.
5073 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5075 * cfgloop.h (create_loop_notes): Declaration removed.
5077 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5079 * varasm.c (output_constant_pool): Restore fnname and fndecl
5081 (assemble_start_function): Adjust call accordingly.
5082 (assemble_end_function): Likewise.
5084 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5087 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5090 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5092 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5095 * system.h (ICE_EXIT_CODE): New macro.
5096 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5097 (diagnostic_action_after_output): Likewise.
5098 * gcc.c (fatal_ice): New function.
5099 (execute): Use it instead of fatal.
5100 (fancy_abort): Likewise.
5101 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5103 2006-03-22 Jeff Law <law@redhat.com>
5105 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5106 iv_analyze_result returning false.
5108 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5110 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5112 2006-03-22 Richard Henderson <rth@redhat.com>
5115 * except.c (duplicate_eh_regions_0): New.
5116 (duplicate_eh_region_1): Duplicate the children of the node as
5117 well as the node itself. Link them up properly.
5118 (duplicate_eh_region_2): Merge into ...
5119 (duplicate_eh_regions): ... here. Take copy_region argument, and
5120 copy only a sub-tree if asked. Simplify copying and fixup.
5121 (eh_region_outer_p): New.
5122 * except.h (duplicate_eh_regions): Update decl.
5123 (eh_region_outer_p): Declare.
5124 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5125 (lower_omp_master): Likewise.
5126 (lower_omp_ordered): Likewise.
5127 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5128 (move_stmt_r): Use it to remap labels. Handle recursion vs
5129 remap_decls_p properly.
5130 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5131 (find_outermost_region_in_block): New.
5132 (new_label_mapper): New.
5133 (move_sese_region_to_fn): Copy eh information to the new function
5135 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5137 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5140 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5142 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5143 into shared libraries.
5145 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5147 * doc/md.texi: Refer to i386/constraints.md instead of
5149 * config/i386/constraints.md: New file, extracted from...
5150 * config/i386/predicates.md: ...here.
5151 * config/i386/i386.md: Include constraints.md.
5153 2006-03-21 Jason Merrill <jason@redhat.com>
5155 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5158 * expr.c (init_block_move_fn): Force default visibility.
5159 (init_block_clear_fn): Likewise.
5160 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5161 * targhooks.c (default_external_stack_protect_fail): Likewise.
5163 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5165 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5166 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5167 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5168 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5169 (loadgp): Use mips_current_loadgp_style.
5170 (loadgp_noshared): New pattern.
5171 (sibcall_internal): Use MIPS_CALL.
5172 (sibcall_value_internal): Likewise.
5173 (sibcall_value_multiple_internal): Likewise.
5174 (call_internal): Likewise.
5175 (call_value_internal): Likewise.
5176 (call_value_multiple_internal): Likewise.
5177 (call_split): Use MIPS_CALL and add an 'S' constraint.
5178 (call_value_split): Likewise.
5179 (call_value_multiple_split): Likewise.
5180 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5181 (-mshared): New option.
5182 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5183 (mips_current_loadgp_style): Declare.
5184 * config/mips/mips.c (mips_classify_symbol): Avoid using
5185 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5186 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5187 TARGET_ABSOLUTE_ABICALLS.
5188 (override_options): Adjust comments. Improve the warning that is
5189 issued when -mabicalls and -G are used together.
5190 (mips_file_start): Remove comment.
5191 (mips_current_loadgp_style): New function.
5192 (mips_gnu_local_gp): New variable.
5193 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5195 (mips_output_function_prologue): Use mips_current_laodgp_style.
5196 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5197 the cprestore instruction.
5198 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5199 live for TARGET_ABSOLUTE_ABICALLS.
5200 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5201 (ASM_SPEC): Pass down -mshared and -mno-shared.
5202 (MIPS_CALL): New macro.
5203 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5205 * doc/invoke.texi (-mabicalls): Update documentation.
5206 (-mshared): Document.
5208 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5210 * config/ia64/unwind-hpux.c: New file.
5211 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5213 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5216 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5218 2006-03-21 Jeff Law <law@redhat.com>
5220 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5221 type conversions of a VR_VARYING source to a wider type.
5223 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5225 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5226 tm_file on Solaris 10 and later.
5227 (sparc64-*-solaris2*): Likewise.
5228 (sparc-*-solaris2*): Likewise.
5229 * config/sol26.h: Rename to config/sol2-6.h.
5230 * config/sol2-10.h: New file.
5232 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5235 * tree-ssa-pre.c (create_component_ref_by_pieces):
5238 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5241 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5242 return it immediately.
5244 2006-03-21 Michael Matz <matz@suse.de>
5246 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5248 (remove_arc, add_arc): Update num_out_arcs member.
5249 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5251 (cache_presence): New function.
5252 (compare_states_for_equiv): New function.
5253 (state_is_differed): Don't take number of outargs, adjust callers.
5254 Use new invariant for speeding up.
5255 (init_equiv_class): Create initial classes based on sorted
5257 (partition_equiv_class): Don't track out_arcs_num.
5258 (evaluate_equiv_classes): Call cache_presence on all states and
5261 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5263 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5264 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5265 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5266 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5268 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5269 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5270 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5271 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5272 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5274 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5275 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5276 (REGNO_REG_CLASS): ARGP is in PREGS.
5277 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5279 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5280 to deal with those addresses.
5281 * addresses.h: New file.
5282 * caller-save.c: Include "addresses.h".
5283 (init_caller_save): Use new base_reg_class function.
5284 * rtl-factoring.c: Include "addresses.h".
5285 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5286 * recog.c: Include "addresses.h".
5287 (preprocess_constraints): Use new base_reg_class function.
5288 * regrename.c: Include "addresses.h".
5289 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5290 functions. Keep track of a new var INDEX_CODE to compute valid
5292 (replace_oldest_value_addr): Likewise.
5293 (replace_oldest_value_mem): Use base_reg_class.
5294 * reload.c: Include "addresses.h".
5295 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5296 (find_reloads): Use new base_reg_class function.
5297 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5298 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5299 all callers and prototype changed.
5300 * reload1.c: Include "addresses.h".
5301 (maybe_fix_stack_asms): Use base_reg_class.
5302 * regclass.c: Include "addresses.h".
5303 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5304 (init_reg_autoinc): Use new base_reg_class function.
5305 (record_reg_classes): Likewise.
5306 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5307 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5308 Use new args to compute necessary class.
5310 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5311 regrename.o, rtl-factoring.o): Update dependencies.
5312 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5313 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5314 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5315 REG_OK_FOR_INDEX_P): Delete documentation.
5317 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5319 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5320 from V7 to V9 for Solaris 7 and above.
5322 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5324 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5325 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5326 argument pointers may not alias any other storage.
5327 * common.opt: Define option -fargument-noalias-anything.
5328 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5329 alias semantics is specified by flag_argument_noalias > 2.
5331 2006-03-20 Jeff Law <law@redhat.com>
5333 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5334 (pass_phi_only_cprop): Declare.
5335 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5337 * tree-ssa-dom.c (degenerate_phi_result): New function.
5338 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5339 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5340 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5341 (eliminate_degenerate_phis): Likewise.
5342 (pass_phi_only_cprop): New pass descriptor.
5343 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5344 support code. Callers updated.
5345 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5346 (store_copy_prop): Likewise.
5347 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5349 2006-03-20 Jason Merrill <jason@redhat.com>
5352 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5353 (push_visibility, pop_visibility): Likewise.
5354 * c-pragma.h: Declare them.
5356 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5358 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5360 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5361 parameter and use get_ebb_head_tail.
5362 (sh_md_init_global): Adjust uses of find_regmode_weight.
5364 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5366 * function.h (struct function) <x_tail_recursion_reentry>:
5367 Rename to x_stack_check_probe_note.
5368 (tail_recursion_reentry): Rename to stack_check_probe_note.
5369 * function.c: Replace tail_recursion_reentry with
5370 stack_check_probe_note everywhere.
5371 (expand_function_start): Only emit a note for
5372 stack_check_probe_note with -fstack-protect.
5373 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5375 * emit-rtl.c (remove_unnecessary_notes): Remove.
5376 (pass_remove_unnecessary_notes): Remove.
5377 * rtl.h (remove_unnecessary_notes): Remove prototype.
5378 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5379 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5380 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5382 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5385 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5386 (valid_in_set): Handle ARRAY_REF.
5387 Change "if min_variant or VH" to asserts.
5388 (create_component_ref_by_pieces): Handle ARRAY_REF.
5389 (create_expression_by_pieces): Likewise.
5390 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5392 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5394 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5395 is operand of switch, not str[0].
5397 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5399 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5400 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5402 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5404 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5405 end of insn_extra_address_constraint declaration.
5407 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5409 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5410 (no-sum-in-toc): Same.
5411 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5413 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5414 NO_FP_IN_TOC for -fPIC instead of mask.
5416 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5417 (BOOT_LDFLAGS): Delete.
5419 * config/rs6000/t-aix52: Same.
5421 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5422 (stmsi[345678]_power): New.
5424 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5426 * config/ia64/ia64.opt: Add empty line to end of file.
5428 2006-03-17 Richard Guenther <rguenther@suse.de>
5431 * builtins.c (get_pointer_alignment): For component style references
5432 adjust alignment to the component type alignment. Make sure
5433 to adjust alignment for component access of constants.
5435 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5437 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5440 2006-03-17 Paul Brook <paul@codesourcery.com>
5442 * doc/install.texi: Docuemnt --with-mode.
5443 * config.gcc: Add --with-mode for arm*-*-*.
5444 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5446 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5448 * sh.c (max_labelno_before_reorg): New variable.
5449 (sh_reorg): Initialize it.
5450 (find_barrier): Check max_labelno_before_reorg before using
5451 label_to_alignment. Take length of explicit alignment insns
5452 into account. When seeing a UNSPECV_CONST_END, return it.
5454 * sh.c (fixup_mova): Set mode of affected label to QImode.
5455 (untangle_mova): New function.
5456 (find_barrier): Use it. Check mode of label before decrementing
5458 (sh_reorg): Likewise.
5459 Set mode of all insns back to VOIDmode.
5461 * sh.c (MOVA_LABELREF): New macro.
5462 (mova_p, fixup_mova, sh_reorg): Use it.
5463 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5464 ADDR_DIFF_VEC matches mova.
5466 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5468 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5469 with ATTRIBUTE_UNUSED.
5471 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5473 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5474 pointer, instead of assuming it is possible to derive the
5475 correct args size from a call insn.
5477 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5479 * rtl.h (CONST_INT_P): Define.
5480 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5481 instead of GET_CODE(x) == CONST_INT.
5482 (vax_rtx_costs): Likewise.
5483 (vax_output_int_move): Likewise.
5484 (vax_output_int_add): Likewise.
5485 (legitimate_constant_address_p): Likewise.
5486 (index_term_p): Likewise.
5487 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5488 * config/vax/vax.md (and<mode>3): Likewise.
5489 (ashrsi3): Likewise.
5491 (movstricthi): Likewise.
5492 (movstrictqi): Likewise.
5493 (rotrsi3): Likewise.
5494 (five unnamed insns): Likewise.
5496 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5498 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5499 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5500 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5501 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5502 Pass to ASM_OUTPUT_DWARF_OFFSET.
5503 * dwarf2out.c (debug_frame_section): New.
5504 (output_call_frame_info): Use debug_frame_section. Pass it to
5505 dw2_asm_output_offset.
5506 (output_die): Pass appropriate section to dw2_asm_output_offset.
5507 (output_compilation_unit_header): Likewise.
5508 (output_pubnames): Likewise.
5509 (output_aranges): Likewise.
5510 (enum dw_val_class): Break dw_val_class_lbl_offset into
5511 dw_val_class_lineptr and dw_val_class_macptr.
5512 (add_AT_lbl_offset): Delete.
5513 (add_AT_lineptr): New.
5514 (add_AT_macptr): New.
5515 (AT_lbl): Expect a lineptr or macptr.
5516 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5517 (attr_checksum): Likewise.
5518 (same_dw_val_p): Likewise.
5519 (size_of_die): Likewise.
5520 (value_format): Likewise.
5521 (output_die): Likewise.
5522 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5524 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5525 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5526 * config/darwin-protos.h (darwin_file_start): New.
5527 (darwin_asm_output_dwarf_offset): New.
5528 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5529 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5531 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5532 if not EH section; simplify.
5533 (darwin_file_start): New.
5534 (darwin_asm_output_dwarf_offset): New.
5535 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5537 (DEBUG_INFO_SECTION): Likewise.
5538 (DEBUG_ABBREV_SECTION): Likewise.
5539 (DEBUG_ARANGES_SECTION): Likewise.
5540 (DEBUG_MACINFO_SECTION): Likewise.
5541 (DEBUG_LINE_SECTION): Likewise.
5542 (DEBUG_LOC_SECTION): Likewise.
5543 (DEBUG_PUBNAMES_SECTION): Likewise.
5544 (DEBUG_STR_SECTION): Likewise.
5545 (DEBUG_RANGES_SECTION): Likewise.
5546 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5547 (ASM_OUTPUT_DWARF_OFFSET): New.
5549 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5551 * config.gcc (tm_defines): Always add to previous value rather
5554 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5556 * config/mips/predicates.md (splittable_const_int_operand): New,
5557 split from move_operand.
5558 (splittable_symbolic_operand): New.
5559 (move_operand): Add commentary. Use splittable_const_int_operand.
5560 Inline mips_atomic_symbolic_constant_p.
5561 * config/mips/mips.md: Add combine splitters for handling moves
5562 of splittable_const_int_operands and splittable_symbolic_operands.
5563 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5564 (mips_split_symbol): Declare.
5565 (mips_move_integer): Declare.
5566 * config/mips/mips.c (mips_split_p): Make global.
5567 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5568 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5569 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5570 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5571 (mips_offset_within_object_p): Handle block symbols.
5572 (mips_atomic_symbolic_constant_p): Delete.
5573 (mips_cannot_force_const_mem): Return false for constants that
5574 mips_legitimize_move can handle.
5575 (mips_use_blocks_for_constant_p): New function.
5576 (mips_split_symbol): Make global.
5577 (mips_move_integer): Likewise. Add a temporary register argument.
5578 (mips_legitimize_const_move): Use splittable_const_int_operand and
5579 splittable_symbolic_operand.
5580 (mips_use_anchors_for_symbol_p): New function.
5581 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5582 (mips_split_p): Declare.
5584 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5586 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5587 (mips*-*-linux*): Likewise.
5589 2006-03-16 Roger Sayle <roger@eyesopen.com>
5590 Daniel Speyer <dspeyer@wam.umd.edu>
5593 * tree-dump.c (dump_real): New function.
5594 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5595 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5596 (tree-dump.o): Add $(REAL_H) to the dependencies.
5598 2006-03-16 Roger Sayle <roger@eyesopen.com>
5601 * real.c (real_from_string): If the mantissa is zero, don't bother
5602 parsing the exponent as the result should always be zero.
5604 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5606 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5608 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5610 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5611 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5612 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5613 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5614 ia64_sched_finish_global): New static functions to implement
5615 hooks from gcc_target.sched.
5616 (spec_check_no, max_uid, pending_data_specs): New static variables.
5617 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5618 ia64_spec_check_src_p): New static functions.
5619 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5620 (TARGET_SCHED_ADJUST_COST): Removed.
5621 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5622 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5623 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5624 TARGET_SCHED_GEN_CHECK,
5625 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5626 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5627 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5628 Fixed to handle speculation checks.
5629 (rtx_needs_barrier): Fixed to handle speculative loads and
5631 (ia64_variable_issue): Added code to count speculative loads and their
5633 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5635 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5637 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5639 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5640 (ia64_reorg): Reset stops_p to NULL after it is freed.
5641 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5642 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5643 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5645 (data_speculative, control_speculative, check_load): New attributes.
5646 (mov<mode>_advanced, mov<mode>_speculative,
5647 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5648 zero_extend<mode>di2_speculative,
5649 zero_extend<mode>di2_speculative_advanced): New patterns for
5650 data and control speculative loads.
5651 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5653 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5654 New pattern for data and control speculation checks.
5655 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5656 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5657 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5658 Auxiliary definitions for the patterns.
5659 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5660 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5662 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5664 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5665 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5666 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5667 New resource constraints.
5668 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5670 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5671 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5672 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5673 msched-in-control-spec, msched-ldc, msched-control-ldc,
5674 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5675 msched-prefer-non-control-spec-insns,
5676 msched-count-spec-in-critical-path): New flags to tune speculative
5678 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5679 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5680 msched-in-control-spec, msched-ldc, msched-control-ldc,
5681 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5682 msched-prefer-non-control-spec-insns,
5683 msched-count-spec-in-critical-path): Document new flags.
5685 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5687 * target.h (struct spec_info_def): New opaque declaration.
5688 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5689 speculate_insn, needs_block_p, gen_check,
5690 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5691 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5692 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5693 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5694 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5695 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5697 (TARGET_SCHED): Use new macros.
5698 * rtl.h (copy_DEPS_LIST_list): New prototype.
5699 * sched-int.h (struct sched_info): Change signature of new_ready field,
5700 adjust all initializations. New fields: add_remove_insn,
5701 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5702 region_head_or_leaf_p.
5703 (struct spec_info_def): New structure declaration.
5704 (spec_info_t): New typedef.
5705 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5706 recovery_block, orig_pat.
5707 (glat_start, glat_end): New variables declaraions.
5708 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5710 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5711 DETACH_LIFE_INFO, USE_GLAT.
5712 (enum SPEC_SCHED_FLAGS): New enumeration.
5713 (NOTE_NOTE_BB_P): New macro.
5714 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5715 attach_life_info, debug_spec_status, check_reg_live): New functions.
5716 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5717 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5719 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5720 * ddg.c (get_block_head_tail): Adjust all uses.
5721 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5722 (sms_sched_info): Initialize new fields.
5723 (contributes_to_priority): Removed.
5724 * haifa-sched.c (params.h): New include.
5725 (get_block_head_tail): Adjust all uses.
5726 (ISSUE_POINTS): New macro.
5727 (glat_start, glat_end): New global variables.
5728 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5729 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5730 old_last_basic_block, before_recovery, current_sched_info_var,
5731 rgn_n_insns, luid): New static variables.
5732 (insn_cost1): New function. Move logic from insn_cost to here.
5733 (find_insn_reg_weight1): New function. Move logic from
5734 find_insn_reg_weight to here.
5735 (reemit_notes, move_insn, max_issue): Change signature.
5736 (move_insn1): Removed.
5737 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5738 extend_bb): New static functions to support extension of scheduler's
5740 (generate_recovery_code, process_insn_depend_be_in_spec,
5741 begin_speculative_block, add_to_speculative_block,
5742 init_before_recovery, create_recovery_block, create_check_block_twin,
5743 fix_recovery_deps): New static functions to support
5744 generation of recovery code.
5745 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5746 restore_bb_notes, move_block_after_check, move_succs): New static
5747 functions to support ebb scheduling.
5748 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5749 functions to support handling of register live information.
5750 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5751 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5752 add_jump_dependencies): New static functions.
5753 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5754 consistancy checking.
5755 (debug_spec_status): New function to call from debugger.
5756 (priority): Added code to handle speculation checks.
5757 (rank_for_schedule): Added code to distinguish speculative instructions.
5758 (schedule_insn): Added code to handle speculation checks.
5759 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5760 Fixed to handle ebbs.
5761 (move_insn): Added code to handle ebb scheduling.
5762 (max_issue): Added code to use ISSUE_POINTS of instructions.
5763 (choose_ready): Added code to choose between speculative and
5764 non-speculative instructions.
5765 (schedule_block): Added code to handle ebb scheduling and scheduling of
5766 speculative instructions.
5767 (sched_init): Initialize new variables.
5768 (sched_finish): Free new variables. Print statistics.
5769 (try_ready): Added code to handle speculative instructions.
5770 * lists.c (copy_DEPS_LIST_list): New function.
5771 * sched-deps.c (extend_dependency_caches): New function. Move logic
5772 from create_dependency_caches to here.
5773 (get_dep_weak, ds_merge): Make global.
5774 * genattr.c (main): Code to output prototype for
5775 dfa_clear_single_insn_cache.
5776 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5777 (output_dfa_clean_insn_cache_func): Code to output
5778 dfa_clear_single_insn_cache function.
5779 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5781 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5783 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5784 New static variables.
5785 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5786 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5788 (ebb_sched_info): Initialize new fields.
5789 (get_block_head_tail): Adjust all uses.
5790 (compute_jump_reg_dependencies): Fixed to use glat_start.
5791 (schedule_ebb): Code to remove unreachable last block.
5792 (schedule_ebbs): Added code to update register live information.
5793 * sched-rgn.c (region_sched_info): Initialize new fields.
5794 (get_block_head_tail): Adjust all uses.
5795 (last_was_jump): Removed. Adjust users.
5796 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5797 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5798 Implement new hooks.
5799 (check_dead_notes1): New static function.
5800 (struct region): New fields: dont_calc_deps, has_real_ebb.
5801 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5802 (BB_TO_BLOCK): Fixed to handle EBBs.
5803 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5804 (ebb_head): New static variable.
5805 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5806 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5808 (compute_dom_prob_ps): New assertion.
5809 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5810 global_live_at_start.
5811 (init_ready_list): New assertions.
5812 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5813 (new_ready): Add support for BEGIN_CONTROL speculation.
5814 (schedule_insns): Fixed code that updates register live information
5816 (schedule_region): Fixed to handle EBBs.
5817 (init_regions): Use extend_regions and check_dead_notes1.
5818 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5819 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5820 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5821 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5822 TARGET_SCHED_GEN_CHECK,
5823 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5824 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5825 * doc/invoke.texi (max-sched-insn-conflict-delay,
5826 sched-spec-prob-cutoff): Document.
5828 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5830 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5831 inter_tick, queue_index.
5832 (struct sched_info): Change signature of init_ready_list field.
5833 Adjust all initializations.
5834 (RESOLVED_DEPS): New access macro.
5835 (ready_add): Remove prototype.
5836 (try_ready): Add prototype.
5837 * sched-rgn.c (init_ready_list): Use try_ready.
5838 (schedule_region): Initialize
5839 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5840 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5841 (init_ready_list): Use try_ready.
5842 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5843 * lists.c (remove_list_elem): Remove `static'.
5844 (remove_free_INSN_LIST_elem): New function.
5845 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5846 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5847 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5849 (readyp): New variable.
5850 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5851 change_queue_index, resolve_dep): New static functions.
5852 (try_ready): New function. Adjust callers in sched-rgn.c and
5853 sched-ebb.c to use it instead of ready_add.
5854 (clock_var): Move at the begining of file.
5855 (rank_for_schedule): Fix typo.
5856 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5857 (ready_lastpos): Enforce assertion.
5858 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5860 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5861 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5862 (queue_to_ready): Use free_INSN_LIST_list.
5863 (early_queue_to_ready): Fix typo.
5864 (schedule_block): Init readyp. Move init_ready_list call after the
5865 initialization of clock_var. Fix error in rejecting insn by
5866 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5867 that previously corrected INSN_TICKs. Add code for handling
5869 (set_priorities): Fix typo.
5870 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5871 Clarify comment and code that keeps current_sched_info->next_tail
5874 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5876 * sched-rgn.c (extend_rgns): New static function.
5877 (find_rgns): Use it.
5878 (gather_region_statistics, print_region_statistics): New static
5880 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5881 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5883 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5884 Andrey Belevantsev <abel@ispras.ru>
5886 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5887 * lists.c (unused_deps_list): New variable.
5888 (free_list): Add assertions to verify the proper distinguishing
5889 between INSN_LISTs and DEPS_LISTs.
5890 (find_list_elem, remove_list_elem, remove_list_node): New static
5892 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5893 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5894 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5895 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5897 (free_INSN_LIST_node): Likewise.
5898 * modulo-sched.c (current_sched_info): Initialize flags field.
5899 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5900 * rtl.def (DEPS_LIST): Define.
5901 * rtl.h: Declare new functions from lists.c.
5902 * sched-deps.c (spec_dependency_cache): New static variable.
5903 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5904 (add_dependence): Change return type to void. Move the logic to ...
5905 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5906 (delete_all_dependences): Add comment about forward_dependency_cache.
5907 Handle spec_dependency_cache. Handle DEPS_LISTs.
5908 (fixup_sched_groups): Clarify the change of priority of output
5909 and anti dependencies.
5910 (sched_analyze_2): Adjust add_dependence calls to create data
5911 speculative dependence.
5912 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5913 Adjust all callers. Handle DEPS_LISTS.
5914 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5915 presence of speculation.
5916 (init_dependency_caches, free_dependency_caches):
5917 Handle spec_dependency_cache.
5918 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5919 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5920 New static functions.
5921 (add_or_update_back_dep, add_or_update_back_forw_dep,
5922 add_back_forw_dep, delete_back_forw_dep): New functions.
5923 * sched-int.h (ds_t, dw_t): New typedefs.
5924 (struct sched_info): Add new field flags.
5925 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5926 Prototype new sched-deps.c functions.
5927 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5928 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5929 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5930 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5931 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5932 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5934 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5936 * sched-rgn.c (current_sched_info): Initialize flags field.
5937 (schedule_insns): Initialize current_sched_info before the sched_init
5939 * sched-ebb.c (current_sched_info): Initialize flags field.
5940 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5941 Call add_or_update_back_dep instead of add_dependence.
5942 Create control speculative dependencies.
5943 (schedule_insns): Initialize current_sched_info before the sched_init
5946 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5948 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5950 (sh_fallback_frame_state): Likewise.
5952 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5954 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5955 Do switch on default_use_cxa_atexit.
5956 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5957 * config/darwin-crt3.o: New.
5958 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5959 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5960 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5962 * config/rs6000/t-darwin: Move crt2.o building to here.
5963 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5964 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5967 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5969 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5970 from '! xxx' to '!xxx' for coding-style conformance.
5971 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5972 (EXTRA_CONSTRAINT): Likewise.
5973 * config/vax/vax.md (four unnamed insns): Likewise.
5975 2006-03-15 Paul Brook <paul@codesourcery.com>
5977 * config/arm/arm.c (minipool_pad): New.
5978 (add_minipool_forward_ref): Include pool alignment padding in address
5980 (push_minipool_fix): Set minipool_pad.
5981 (minipool_pad): Ditto.
5983 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5985 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5986 instead of GET_CODE() == MEM and REG_P() instead of
5988 (print_operand_address): Likewise.
5989 (vax_address_cost): Likewise.
5990 (vax_rtx_costs): Likewise.
5991 (vax_notice_update_cc): Likewise.
5992 (vax_output_int_add): Likewise.
5993 (INDEX_REGISTER_P): Likewise.
5994 (BASE_REGISTER_P): Likewise.
5995 (nonindexed_address_p): Likewise.
5996 (vax_mode_dependent_address_p): Likewise.
5997 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5998 (PRINT_OPERAND): Likewise.
5999 * config/vax/vax.md (ashlsi3): Likewise.
6000 (ashlsi3): Likewise.
6001 (some more unnamed insns): Likewise.
6003 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6005 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6006 iterator-style macro.
6007 (mark_control_dependent_edges_necessary): Update the use of
6008 EXECUTE_IF_CONTROL_DEPENDENT.
6010 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6012 * config/sh/predicates.md (cache_address_operand): Special.
6013 (ua_address_operand): Likewise.
6015 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6017 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6019 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6021 2006-03-15 Andreas Schwab <schwab@suse.de>
6023 * gensupport.c (identify_predicable_attribute): Don't free p_false
6024 when it is still in use.
6026 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6028 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6029 the default setting here.
6031 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6033 * tree-pass.h (pass_cfg): Remove.
6034 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6035 * passes.c (pass_cfg): Don't run it.
6037 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6039 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6040 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6042 (stack_regs_mentioned): Update the uses of
6043 stack_regs_mentioned_data. Don't access the array beyond its
6045 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6046 Don't include gt-reg-stack.h.
6048 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6049 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6051 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6054 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6057 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6059 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6061 2006-03-14 Richard Guenther <rguenther@suse.de>
6063 PR tree-optimization/26672
6064 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6067 2006-03-14 Richard Guenther <rguenther@suse.de>
6069 PR tree-optimization/26667
6070 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6071 node for the callees. Always allow inlining if it will shrink
6074 2006-03-14 Richard Guenther <rguenther@suse.de>
6077 * builtins.c (get_pointer_alignment): Prefer alignment
6078 information from decls over that from types.
6080 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6083 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6085 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6087 * config/rs6000/rs6000.opt (mdlmzb): New option.
6088 (msched-prolog, msched-epilog): Use Var not Mask.
6089 * doc/invoke.texi (-mdlmzb): Document.
6090 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6092 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6093 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6095 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6097 PR rtl-optimization/25739
6098 * bt-load.c (augment_live_range): Free tos pointer.
6100 * gensupport.c (identify_predicable_attribute): Free
6102 * gcov.c (create_file_names): Free name pointer.
6104 2006-03-13 Roger Sayle <roger@eyesopen.com>
6107 * stmt.c (emit_case_nodes): Handle the case where the index is a
6108 CONST_INT, where the comparison mode is specified by the index type.
6110 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6112 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6115 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6117 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6118 (*branch_fp_inverted): Likewise.
6120 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6123 * omp-low.c (expand_omp_for_generic): Mark istart0
6124 and iend0 as addressable.
6126 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6128 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6130 2006-03-13 Jeff Law <law@redhat.com>
6132 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6133 virtual operands are interesting.
6134 (vrp_visit_stmt): Corresponding changes.
6136 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6138 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6140 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6141 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6142 * config/bfin/crti.S: Use it instead of __PIC__.
6143 * config/bfin/crtn.S: Likewise.
6145 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6146 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6148 Lose 'G' modifier for call operand.
6149 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6150 recognize 'G' modifier.
6152 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6155 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6156 * stmt.c (expand_case): Likewise.
6158 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6160 PR rtl-optimization/26254
6161 * loop-invariant.c (seq_insns_valid_p): New function.
6162 (move_invariant_reg): Only emit new code if it is valid.
6164 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6166 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6168 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6169 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6170 (commit_one_edge_insertion): Do not look for loop notes.
6172 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6174 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6175 flag_test_coverage out of loop.
6177 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6179 * final.c (shorten_branches): Remove outdated comment, and turn
6180 the if branch that guards it to continue.
6182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6184 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6185 * cfgloop.h (struct loop): Remove unused fields.
6187 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6189 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6190 (-dL, -fdump-rtl-loop2): Update the dump file names
6192 * doc/invoke.texi: Update dump file names.
6194 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6196 * predict.c (estimate_probability): Remove.
6197 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6198 * basic-block.h (estimate_probability): Remove prototype.
6199 * passes.c (finish_optimization_passes): Dump branch prediction or
6200 profiling heuristics to the .profile tree dump.
6201 (init_optimization_passes): Unqueue pass_branch_prob.
6203 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6205 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6207 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6208 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6210 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6212 * function.h (frame_offset_overflow): Declare.
6213 * function.c (frame_offset_overflow): New function.
6214 (assign_stack_local_1): Call it to detect that the offset overflows.
6215 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6217 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6219 * config/sh/sh.c: Include alloc-pool.h.
6220 (label_ref_list_pool): New alloc pool.
6221 (label_ref_list_t): New type for lists of labels.
6222 (struct pool_node): Make wend a label_ref_list_t.
6223 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6225 (dump_table): Likewise.
6226 (sh_reorg): Set up the alloc pool before using add_constant and
6227 dump_table, and destroy it when finishing.
6229 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6231 * config/mips/mips.c: Remove redundant comment.
6233 2006-03-10 Jason Merrill <jason@redhat.com>
6236 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6237 the target was declared 'register'.
6239 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6241 * genpreds.c (write_insn_constraint_len): Change definition of
6242 insn_constraint_len to return size_t to match the declaration.
6244 2006-03-10 DJ Delorie <dj@redhat.com>
6246 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6248 (m32c_expand_insv): Fix test for an AND mask.
6250 2006-03-10 Richard Guenther <rguenther@suse.de>
6253 * builtins.c (get_pointer_alignment): Handle component
6254 references for field alignment.
6256 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6258 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6259 when building with libgloss.
6260 (sh*elf): Implement --without-fp option.
6261 (sh64-superh-linux*): Don't multilib.
6263 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6265 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6267 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6269 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6270 Set it when one of the replacement functions returned true.
6271 Return TODO_cleanup_cfg if cfgchanged is true.
6272 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6274 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6276 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6277 instead of gen_lowpart.
6279 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6281 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6283 (mips_output_order_conditional_branch): Declare.
6284 * config/mips/mips.h (MIPS_BRANCH): New macro.
6285 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6286 for the comparison. Use gen_condjump.
6287 (mips_output_conditional_branch): Rework interface to take the
6288 asm templates for a direct branch and the inverse of a direct branch.
6289 (mips_output_order_conditional_branch): New function.
6290 (mips_builtin_branch_and_move): New function.
6291 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6292 branch condition. Use gen_single_cc as the condition for
6293 __builtin_mips_upper_* or __builtin_mips_lower_*.
6294 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6295 Use VOIDmode for the branch condition.
6296 * config/mips/predicates.md (order_operator): New predicate.
6297 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6298 (branch_fp): Rename to...
6299 (*branch_fp): ...this. Remove mode from comparison operator.
6300 Use new mips_output_conditional_branch interface.
6301 (branch_fp_inverted): Rename to...
6302 (*branch_fp_inverted): ...this and update as for *branch_fp.
6303 (*branch_zero<mode>): Rename to...
6304 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6305 Use mips_output_order_conditional_branch. Only accept ordered
6307 (*branch_zero<mode>_inverted): Rename to...
6308 (*branch_order<mode>_inverted): ...this and update as for
6309 *branch_order<mode>.
6310 (*branch_equality<mode>): Accept zero as the second operand to
6311 the equality operator. Use the new mips_output_conditional_branch
6313 (*branch_equality<mode>_inverted): Likewise.
6314 (condjump): New expander.
6315 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6317 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6318 (bc1any2t, bc1any2f): Likewise.
6319 (single_cc): New expander.
6320 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6322 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6324 * doc/md.texi: Update documentation of MIPS constraints.
6325 * config/mips/constraints.md: New file.
6326 * config/mips/mips.md: Include it.
6327 * config/mips/mips.c (mips_char_to_class): Delete.
6328 (override_options): Don't initialize mips_char_to_class.
6329 * config/mips/mips.h (mips_char_to_class): Delete.
6330 (REG_CLASS_FROM_LETTER): Delete.
6331 (CONST_OK_FOR_LETTER_P): Delete.
6332 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6333 (EXTRA_CONSTRAINT_Y): Delete.
6334 (EXTRA_CONSTRAINT_STR): Delete.
6335 (CONSTRAINT_LEN): Delete.
6336 (EXTRA_MEMORY_CONSTRAINT): Delete.
6338 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6340 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6341 original fn's eh regions.
6343 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6345 * fold-const.c (build_range_check): Make sure to use a valid type to
6346 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6349 (range_predecessor): New static function.
6350 (range_successor): Likewise.
6351 (merge_ranges): Use them to compute predecessors and successors of
6354 2006-03-09 Roger Sayle <roger@eyesopen.com>
6357 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6358 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6360 2006-03-08 DJ Delorie <dj@redhat.com>
6362 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6363 (addpsi3): Expand to include memory operands. Remove
6364 reload-specific splits.
6365 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6366 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6367 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6368 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6369 (shift1_qi, shift1_hi, insv): New.
6370 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6371 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6372 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6374 * config/m32c/m32c-protos.h: Update as needed.
6375 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6376 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6377 Fail for unrecognized R* constraints.
6378 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6379 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6380 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6382 (m32c_init_libfuncs): New.
6383 (m32c_legitimate_address_p): Add debug wrapper.
6384 (m32c_rtx_costs): New.
6385 (m32c_address_cost): New.
6386 (conversions): Add 'B' prefix.
6387 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6388 operands, or word regnames for QI operands. 'B' prints bit
6390 (m32c_expand_setmemhi): New.
6391 (m32c_expand_movmemhi): New.
6392 (m32c_expand_movstr): New.
6393 (m32c_expand_cmpstr): New.
6394 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6395 (m32c_expand_neg_mulpsi3): Handle non-ints.
6396 (m32c_cmp_flg_0): New.
6397 (m32c_expand_movcc): New.
6398 (m32c_expand_insv): New.
6399 (m32c_scc_pattern): New.
6400 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6401 a0/a1 out of SIregs.
6402 (STORE_FLAG_VALUE): New.
6403 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6406 * config/m32c/mov.md: Make constraints more liberal.
6407 (zero_extendqihi2): Optimize r0/r1 case.
6408 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6409 * config/m32c/predicates.md (m32c_any_operand): New.
6410 (m32c_nonimmediate_operand): New.
6411 (m32c_hl_operand): New.
6412 (m32c_r3_operand): New.
6415 (memsym_operand): New.
6416 (memimmed_operand): New.
6417 (a_qi_operand): New.
6418 (m32c_eqne_operator): New.
6419 (m32c_1bit8_operand): New.
6420 (m32c_1bit16_operand): New.
6421 (m32c_1mask8_operand): New.
6422 (m32c_1mask16_operand): New.
6423 * config/m32c/blkmov.md: New file.
6424 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6426 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6428 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6429 unsigned to fix signed/unsigned comparison issue in
6430 DWARF2_FRAME_REG_OUT.
6431 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6432 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6434 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6435 of ptr into the ENABLE_CHECKING section.
6437 2006-03-08 Jeff Law <law@redhat.com>
6439 * tree-vrp.c (infer_value_range): Only count pointer uses
6440 and dereferences if -fdelete-null-pointer-checks is enabled.
6442 * tree-vrp.c (find_assert_locations): Infer value ranges for
6443 single use pointers, but do not create ASSERT_EXPRs for them.
6444 When a non-null range is inferred for a pointer, backwards
6445 propagate that range to other equivalent pointers through the
6448 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6451 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6452 language hook targets.
6453 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6454 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6455 if language hook targets were missing.
6457 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6459 * tree-ssa-opfinalize.h: Removed.
6460 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6462 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6463 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6464 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6465 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6466 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6467 finalize_ssa_v_must_def_ops): New.
6469 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6471 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6474 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6476 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6478 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6479 addresses with offsets; reorganize.
6481 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6482 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6483 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6485 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6488 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6490 2006-03-08 Ben Elliston <bje@au.ibm.com>
6492 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6494 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6497 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6500 2006-03-07 Richard Guenther <rguenther@suse.de>
6502 PR tree-optimization/26587
6503 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6505 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6507 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6509 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6511 * hooks.c (hook_bool_mode_rtx_true): New function.
6512 * hooks.h (hook_bool_mode_rtx_true): Declare.
6513 * toplev.c (compile_file): Call output_shared_constant_pool.
6514 * varasm.c (shared_constant_pool): New variable.
6515 (assemble_start_function, assemble_end_function): Remove arguments
6516 from call to output_constant_pool.
6517 (create_constant_pool): New function, split out from...
6518 (init_varasm_status): ...here.
6519 (force_const_mem): Choose between the shared and per-function constant
6520 pools. Set current_function_uses_const_pool when reusing old entries
6521 as well as when creating new ones.
6522 (mark_constant): Ignore data argument.
6523 (mark_constants): Remove pool argument.
6524 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6525 to decide whether the function uses a constant pool.
6526 (output_constant_pool_contents): New function, split out from...
6527 (output_constant_pool): ...here.
6528 (output_shared_constant_pool): New function.
6529 (init_varasm_once): Initialize shared_constant_pool.
6530 * output.h (output_constant_pool): Delete.
6531 (output_shared_constant_pool): Declare.
6532 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6533 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6535 2006-03-06 Nick Clifton <nickc@redhat.com>
6537 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6538 flag_strength_reduce.
6540 2006-03-06 Ben Elliston <bje@au.ibm.com>
6542 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6543 x86_64-*-linux* configurations.
6545 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6546 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6548 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6550 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6552 * basic-block.h: Remove the extern for
6553 rediscover_loops_after_threading.
6555 * cfgloop.c (cancel_loop): Make it static.
6556 * cfgloop.h: Remove the prototype for cancel_loop.
6558 * flow.c (recompute_reg_usage): Make it static.
6559 * rtl.h: Remove the prototype for recompute_reg_usage.
6561 * function.c (use_return_register): Make it static.
6562 * function.h: Remove the prototype.
6564 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6566 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6568 * recog.h: Remove the prototype for
6569 validate_change_maybe_volatile.
6571 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6573 * rtlanal.c (replace_reg): Remove.
6574 * rtl.h: Remove the prototype for replace_reg.
6576 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6578 * regclass.c (reg_scan_update): Remove.
6579 (reg_scan_mark_refs): Remove the last argument.
6580 * rtl.h: Remove the prototype for reg_scan_update.
6582 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6584 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6585 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6586 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6587 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6588 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6589 loop-invariant.c, omp-low.c, opts.c, passes.c,
6590 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6591 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6592 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6593 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6594 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6595 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6597 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6599 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6600 * dwarf2out.h: Remove the prototype for
6601 dwarf2out_add_library_unit_info.
6603 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6605 * tree.c (add_var_to_bind_expr): Remove.
6606 * tree.h: Remove the prototype for add_var_to_bind_expr.
6608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6610 * regclass.c (n_non_fixed_regs): Remove.
6611 (init_reg_sets_1, globalize_reg): Remove all uses of
6613 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6615 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6617 * rtlanal.c (insns_safe_to_move_p): Remove.
6618 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6620 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6622 * expmed.c (expand_mult_add): Remove.
6623 * expr.h: Remove the prototype for expand_mult_add.
6625 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6627 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6628 and REG_SAVED_VAL_EXP constants.
6629 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6630 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6631 Handle regs stored by value.
6632 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6633 (execute_cfa_program): Handle DW_CFA_val_offset,
6634 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6635 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6636 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6637 (uw_install_context_1): Handle target regs stored by value.
6639 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6641 * tree-sra.c (tree_sra): Return todoflags;
6642 (generate_one_element): Set TODO_update_smt_usage if needed.
6643 (pass_sra): Remove TODO_update_smt_usage.
6644 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6646 (tree_ssa_forward_propagate_single_use_vars): Return
6647 TODO_update_smt_usage if we need to update SMT usage.
6648 (pass_forwprop): Remove TODO_update_smt_usage.
6650 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6652 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6653 (correct_use_link): Remove reference to get_stmt_operands.
6654 (update_stmt_operands): Likewise.
6655 (get_modify_expr_operands): New function factored out of
6656 parse_ssa_operands and get_expr_operands.
6657 Try to create V_MUST_DEFs for LHS by default.
6658 (get_expr_operands) <case MODIFY_EXPR>: Call
6659 get_modify_expr_operands.
6660 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6661 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6662 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6663 get_modify_expr_operands.
6665 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6667 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6668 * tree-flow.h: Remove the prototype for
6669 referenced_var_lookup_if_exists.
6671 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6673 PR rtl-optimization/26345
6675 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6677 2006-03-03 Roger Sayle <roger@eyesopen.com>
6679 PR tree-optimization/26524
6680 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6681 fold_convert to create a constant of the appropriate type.
6683 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6685 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6686 SYMBOL_REF_IN_BLOCK_P.
6687 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6688 of SYMBOL_FLAG_IN_BLOCK.
6689 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6690 instead of SYMBOL_REF_IN_BLOCK_P.
6691 * explow.c (use_anchored_address): Likewise.
6692 * rtl.c (rtx_size): Likewise.
6693 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6694 instead of SYMBOL_FLAG_IN_BLOCK.
6695 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6696 SYMBOL_REF_IN_BLOCK_P.
6697 (assemble_variable): Likewise.
6698 (output_constant_def_contents): Likewise.
6699 (output_constant_pool): Likewise.
6700 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6701 instead of SYMBOL_FLAG_IN_BLOCK.
6702 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6703 SYMBOL_REF_IN_BLOCK_P.
6704 (SYMBOL_REF_BLOCK): Likewise.
6705 (SYMBOL_REF_OFFSET): Likewise.
6706 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6707 SYMBOL_REF_IN_BLOCK_P.
6708 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6709 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6710 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6711 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6713 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6715 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6717 2006-03-02 Roger Sayle <roger@eyesopen.com>
6719 * simplify-rtx.c (simplify_unary_operation): When simplifying
6720 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6721 that we perform the right shift in the appropriate mode, and
6722 then extend or truncate the result to requested mode.
6724 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6726 * gengtype.c (main): Handle double_int type.
6727 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6728 * double-int.c: New file.
6729 * double-int.h: New file.
6730 * system.h: Include doubleint.h.
6731 * Makefile.in (SYSTEM_H): Include double-int.h.
6732 (double-int.o): Add.
6734 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6737 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6740 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6742 * tree-vrp.c (remove_range_assertions): Do not update statements
6745 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6747 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6749 * gcse.c (rest_of_handle_gcse): Ditto.
6750 * except.c (gate_handle_eh): Ditto.
6751 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6752 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6754 2006-03-02 Eric Christopher <echristo@apple.com>
6756 * config/i386/i386.c (machopic_output_stub): Add indirection to
6759 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6763 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6765 Sun Niagara specific optimizations.
6766 * config.gcc: Recognize niagara as target.
6767 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6768 (TARGET_CPU_niagara): Define.
6769 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6770 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6771 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6772 (ASM_CPU_SPEC): Likewise.
6773 (PROCESSOR_NIAGARA): New enum entry.
6774 (REGISTER_MOVE_COST): Handle Niagara.
6775 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6776 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6777 (sparc_override_options): Recognize "niagara", set appropriate
6778 default MASK_* values for it, and align functions to 32-bytes
6779 by default just like ULTRASPARC/ULTRASPARC3.
6780 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6781 (sparc64_initialize_trampoline): Likewise.
6782 (sparc_use_sched_lookahead): Use zero for niagara.
6783 (sparc_issue_rate): Use one for niagara.
6784 * config/sparc/niagara.md: New file.
6785 * config/sparc/sparc.md: Include it.
6786 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6787 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6788 when default cpu is niagara.
6789 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6790 (ASM_CPU_SPEC): Likewise.
6791 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6792 when default cpu is niagara.
6793 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6794 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6795 just like v9/ultrasparc/ultrasparc3.
6796 * doc/invoke.texi: Add documentation for "niagara" and improve
6797 existing documentation for ultrasparc variants.
6799 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6801 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6803 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6805 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6806 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6807 and say that only one is needed.
6808 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6809 * target.h (have_switchable_bss_sections): New hook.
6810 * explow.c (use_anchored_address): Check that the symbol is in a block.
6811 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6812 (bss_noswitch_section): New variables.
6813 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6814 (get_noswitch_section): New function.
6815 (get_block_for_section): Allow SECT to be null.
6816 (unlikely_text_section_p): Use SECTION_STYLE.
6817 (bss_initializer_p): New function.
6818 (get_variable_section): Move earlier in file. Take a new argument,
6819 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6820 Return one of the new *_sections in such cases.
6821 (get_block_for_decl): New function, extracting some logic from
6822 use_blocks_for_decl_p.
6823 (change_symbol_section): Remove in favor of...
6824 (change_symbol_block): ...this new function.
6825 (use_blocks_for_decl_p): Remove checks now performed by
6827 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6828 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6829 (emit_local, emit_bss, emit_common): ...these new functions.
6830 Return true if the alignment was honored.
6831 (emit_tls_common): New function.
6832 (asm_emit_uninitialised): Delete.
6833 (assemble_variable_noswitch): New function, split out from...
6834 (assemble_variable): ...here. Don't make decisions about common
6835 variables here. Globalize all public decls that go into non-common
6836 sections. Check whether SYMBOL_REF_BLOCK is null.
6837 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6838 (output_constant_pool): Likewise.
6839 (init_varasm_once): Initialize the new section variables.
6840 (have_global_bss_p): New function.
6841 (categorize_decl_for_section): Use bss_initializer_p.
6842 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6843 (place_block_symbol): Assert that the symbol must be in a block.
6844 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6845 (TARGET_INITIALIZER): Include it.
6846 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6847 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6848 (SECTION_MACH_DEP): Bump by two.
6849 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6850 (unnamed_section): Mention SECTION_UNNAMED in comment.
6851 (named_section): Likewise SECTION_NAMED.
6852 (noswitch_section_callback): New type.
6853 (noswitch_section): New structure.
6854 (section): Add a noswitch_section alternative.
6855 (SECTION_STYLE): New macro.
6856 (tls_comm_section, comm_section, lcomm_section): Declare.
6857 (bss_noswitch_section, have_global_bss_p): Declare.
6858 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6859 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6861 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6862 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6865 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6867 * tree-vrp.c (execute_vrp): Return value.
6868 * regrename.c (rest_of_handle_regrename): Ditto.
6869 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6870 * tree-complex.c (tree_lower_complex): Ditto.
6871 (tree_lower_complex_O0): Ditto.
6872 * tracer.c (rest_of_handle_tracer): Ditto.
6873 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6874 * postreload.c (rest_of_handle_postreload): Ditto.
6875 * tree-tailcall.c (execute_tail_recursion): Ditto.
6876 (execute_tail_calls): Ditto.
6877 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6878 * tree.h (init_function_for_compilation): Ditto.
6879 * ipa-cp.c (ipcp_driver): Ditto.
6880 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6881 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6882 * final.c (compute_alignments): Ditto.
6883 (rest_of_handle_final): Ditto.
6884 (rest_of_handle_shorten_branches): Ditto.
6885 (rest_of_clean_state): Ditto.
6886 * omp-low.c (execute_expand_omp): Ditto.
6887 (execute_lower_omp): Ditto.
6888 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6889 * ipa-reference.c (static_execute): Ditto.
6890 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6891 * reorg.c (rest_of_handle_delay_slots): Ditto.
6892 (rest_of_handle_machine_reorg): Ditto.
6893 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6894 * flow.c (recompute_reg_usage): Ditto.
6895 (rest_of_handle_remove_death_notes): Ditto.
6896 (rest_of_handle_life): Ditto.
6897 (rest_of_handle_flow2): Ditto.
6898 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6899 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6900 (do_ssa_store_ccp): Ditto.
6901 (execute_fold_all_builtins): Ditto.
6902 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6903 * modulo-sched.c (rest_of_handle_sms): Ditto.
6904 * ipa-pure-const.c (static_execute): Ditto.
6905 * cse.c (rest_of_handle_cse): Ditto.
6906 (rest_of_handle_cse2): Ditto.
6907 * web.c (rest_of_handle_web): Ditto.
6908 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6909 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6910 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6911 * tree-nrv.c (tree_nrv): Ditto.
6912 (execute_return_slot_opt): Ditto.
6913 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6914 (create_structure_vars): Ditto.
6915 * loop-init.c (rtl_loop_init): Ditto.
6916 (rtl_loop_done): Ditto.
6917 (rtl_move_loop_invariants): Ditto.
6918 (rtl_unswitch): Ditto.
6919 (rtl_unroll_and_peel_loops): Ditto.
6920 (rtl_doloop): Ditto.
6921 * gimple-low.c (lower_function_body): Ditto.
6922 (mark_used_blocks): Ditto.
6923 * tree-ssa-sink.c (execute_sink_code): Ditto.
6924 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6925 (cgraph_early_inlining): Ditto.
6926 * global.c (rest_of_handle_global_alloc): Ditto.
6927 * jump.c (cleanup_barriers): Ditto.
6928 (purge_line_number_notes): Ditto.
6929 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6930 (rest_of_handle_if_after_reload): Ditto.
6931 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6932 (tree_ssa_loop_im): Ditto.
6933 (tree_ssa_loop_unswitch): Ditto.
6934 (tree_vectorize): Ditto.
6935 (tree_linear_transform): Ditto.
6936 (tree_ssa_loop_ivcanon): Ditto.
6937 (tree_ssa_empty_loop): Ditto.
6938 (tree_ssa_loop_bounds): Ditto.
6939 (tree_complete_unroll): Ditto.
6940 (tree_ssa_loop_prefetch): Ditto.
6941 (tree_ssa_loop_ivopts): Ditto.
6942 (tree_ssa_loop_done): Ditto.
6943 * predict.c (tree_estimate_probability): Ditto.
6944 * recog.c (split_all_insns_noflow): Ditto.
6945 (rest_of_handle_peephole2): Ditto.
6946 (rest_of_handle_split_all_insns): Ditto.
6947 * tree-eh.c (lower_eh_constructs): Ditto.
6948 * regmove.c (rest_of_handle_regmove): Ditto.
6949 (rest_of_handle_stack_adjustments): Ditto.
6950 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6951 * function.c (instantiate_virtual_regs): Ditto.
6952 (init_function_for_compilation): Ditto.
6953 (rest_of_handle_check_leaf_regs): Ditto.
6954 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6955 (rest_of_handle_gcse): Ditto.
6956 * ipa-type-escape.c (type_escape_execute): Ditto.
6957 * alias.c (rest_of_handle_cfg): Ditto.
6958 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6959 * profile.c (rest_of_handle_branch_prob): Ditto.
6960 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6961 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6962 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6963 * tree-dfa.c (find_referenced_vars): Ditto.
6964 * except.c (set_nothrow_function_flags): Ditto.
6965 (convert_to_eh_region_ranges): Ditto.
6966 (rest_of_handle_eh): Ditto.
6967 * emit-rtl.c (unshare_all_rtl): Ditto.
6968 (remove_unnecessary_notes): Ditto.
6969 * except.h (set_nothrow_function_flags): Ditto.
6970 (convert_to_eh_region_ranges): Ditto.
6971 * cfgexpand.c (tree_expand_cfg): Ditto.
6972 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6973 * tree-ssa-pre.c (do_pre): Ditto.
6974 (execute_fre): Ditto.
6975 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6976 (rest_of_handle_jump2): Ditto.
6977 * tree-sra.c (tree_sra): Ditto.
6978 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6979 (execute_mudflap_function_decls): Ditto.
6980 * tree-ssa-copy.c (do_copy_prop): Ditto.
6981 (do_store_copy_prop): Ditto.
6982 * ipa-prop.h (ipcp_driver): Ditto.
6983 * cfglayout.c (insn_locators_initialize): Ditto.
6984 * tree-ssa-forwprop.c
6985 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6986 * cfglayout.h (insn_locators_initialize): Ditto.
6987 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6988 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6989 (execute_late_warn_uninitialized): Ditto.
6990 * rtl.h (cleanup_barriers): Ditto.
6991 (split_all_insns_noflow): Ditto.
6992 (purge_line_number_notes): Ditto.
6993 (unshare_all_rtl): Ditto.
6994 (remove_unnecessary_notes): Ditto.
6995 (recompute_reg_usage): Ditto.
6996 (variable_tracking_main): Ditto.
6997 * integrate.c (emit_initial_value_sets): Ditto.
6998 * integrate.h (emit_initial_value_sets): Ditto.
6999 * tree-optimize.c (execute_free_datastructures): Ditto
7000 (execute_free_cfg_annotations): Ditto.
7001 (execute_fixup_cfg): Ditto.
7002 (execute_cleanup_cfg_pre_ipa): Ditto.
7003 (execute_cleanup_cfg_post_optimizing): Ditto.
7004 (execute_init_datastructures): Ditto.
7005 * tree-object-size.c (compute_object_sizes): Ditto.
7006 * combine.c (rest_of_handle_combine): Ditto.
7007 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7008 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7009 (rest_of_handle_reorder_blocks): Ditto.
7010 (rest_of_handle_partition_blocks): Ditto.
7011 * var-tracking.c (variable_tracking_main): Ditto.
7012 * tree-profile.c (tree_profiling): Ditto.
7013 * tree-vect-generic.c (expand_vector_operations): Ditto.
7014 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7015 * sched-rgn.c (rest_of_handle_sched): Ditto.
7016 (rest_of_handle_sched2): Ditto.
7017 * basic-block.h (free_bb_insn): Ditto.
7018 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7019 * tree-cfg.c (execute_build_cfg): Ditto.
7020 (remove_useless_stmts): Ditto.
7021 (split_critical_edges): Ditto.
7022 (execute_warn_function_return): Ditto.
7023 (execute_warn_function_noreturn): Ditto.
7024 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7025 * cfgrtl.c (free_bb_for_insn): Ditto.
7026 * passes.c (execute_one_pass): Run additional
7027 todos returned by execute function.
7028 * tree-pass.h (struct tree_opt_pass): Make execute
7031 2006-03-02 Richard Guenther <rguenther@suse.de>
7033 * tree-ssa-alias.c (find_used_portions): Consider taking
7034 the address as making the variable not write-only.
7036 2006-03-02 Nick Clifton <nickc@redhat.com>
7038 * config.gcc (default_use_cxa_atexit): Extend the description of
7039 this configure variable. Set its default value to "yes" for
7040 Linux, NetBSD and ELF targets on the assumption that they will
7041 use C libraries with the __cxa_atexit function.
7043 2006-03-02 Ben Elliston <bje@au.ibm.com>
7045 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7046 parameter as unused to suppress a build warning.
7048 2006-03-02 Ben Elliston <bje@au.ibm.com>
7050 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7053 2006-03-01 Roger Sayle <roger@eyesopen.com>
7056 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7057 declared name, the weak reference name, and the typeof name.
7058 (__gthrw): Avoid expanding the declared name suffix.
7059 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7061 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7063 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7065 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7066 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7067 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7068 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7069 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7070 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7071 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7072 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7073 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7074 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7075 (DW_END_default, DW_END_big, DW_END_little): New.
7076 (DW_END_lo_user, DW_END_hi_user): Define.
7077 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7078 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7079 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7082 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7084 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7086 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7088 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7090 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7092 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7093 to 'symbol_mem_tag'.
7095 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7098 2006-03-01 Roger Sayle <roger@eyesopen.com>
7100 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7102 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7105 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7106 MACHO_DYNAMIC_NO_PIC_P.
7107 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7109 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7112 * config/darwin-protos.h (darwin_asm_output_anchor):
7114 * config/darwin-sections.def (cstring_section):
7115 Add SECTION_MERGE to the flags.
7116 (literal4_section): Likewise.
7117 (literal8_section): Likewise.
7118 (objc_selector_refs_section): Likewise.
7119 (objc_cls_refs_section): Likewise.
7120 * config/darwin.c (darwin_asm_output_anchor): New
7122 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7124 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7126 Fix PR tree-optimization/26443
7127 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7128 to todo and PROP_tmt_usage to properties_destroyed.
7129 * tree-ssa-ccp.c (pass_ccp): Ditto.
7130 (pass_store_ccp): Ditto.
7131 * tree-ssa-dom.c (pass_dominator): Ditto.
7133 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7135 * tree-ssa-operands.c: Cleanup whitespace.
7136 (get_asm_expr_operands): Move before first invocation.
7137 (get_indirect_ref_operands): Likewise.
7138 (get_tmr_operands): Likewise.
7139 (get_call_expr_operands): Likewise.
7140 (append_def): Likewise.
7141 (append_use): Likewise.
7142 (append_v_may_def): Likewise.
7143 (append_v_must_def): Likewise.
7144 (add_call_clobber_ops): Likewise.
7145 (add_call_read_ops): Likewise.
7146 (add_stmt_operand): Likewise.
7147 (add_virtual_operand): Likewise.
7148 (build_ssa_operands): Likewise.
7150 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7155 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7156 with a call expr to ...
7157 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7159 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7161 * tree-vrp.c (extract_range_from_assert): Remove special
7162 handling for types with super-types.
7164 2006-03-01 Ben Elliston <bje@au.ibm.com>
7166 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7167 and powerpc64-*-linux* configurations.
7168 * config/t-dfprules: New file.
7170 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7171 Compile dfp-bit.c from the source directory using -DWIDTH and
7172 $DFP_CFLAGS to control the compilation of that file, rather than
7173 generating width-specific versions in the build directory.
7174 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7175 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7177 2006-02-28 Zack Weinberg <zackw@panix.com>
7179 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7182 2006-02-28 Eric Christopher <echristo@apple.com>
7184 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7185 Set up IN_LIBGCC definition of TARGET_64BIT.
7186 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7188 2006-02-28 Roger Sayle <roger@eyesopen.com>
7191 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7192 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7193 cases via the construction of "expr != 0".
7195 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7197 * alias.c (alias_invariant, alias_invariant_size): Remove.
7198 (record_base_value): Remove.
7199 (memrefs_conflict_p): Don't look at alias_invariant.
7200 (end_alias_analysis): Don't free it.
7201 * alias.h (record_base_value): Remove prototype.
7203 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7204 Adam Nemet <anemet@caviumnetworks.com>
7206 * rtl.h (truncated_to_mode): Declare it.
7207 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7208 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7209 (RTL_HOOKS_INITIALIZER): Include it.
7210 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7211 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7212 reg_truncated_to_mode.
7213 * rtlanal.c (truncated_to_mode): Define it.
7214 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7216 2006-02-28 Jeff Law <law@redhat.com>
7218 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7219 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7220 the range allowed by TYPE_PRECISION.
7222 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7224 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7226 PR tree-optimization/26419
7227 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7230 2006-02-27 Zack Weinberg <zackw@panix.com>
7232 * doc/md.texi: Fix typo in previous change.
7234 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7238 2006-02-27 Zack Weinberg <zackw@panix.com>
7240 * rtl.def (define_constraint, define_register_constraint)
7241 (define_memory_constraint, define_address_constraint): New MD forms.
7242 * gensupport.c (process_rtx): Put define_constraint etc on the
7244 * genpreds.c (process_define_predicate): Adjust comment. Validate
7245 the name, and call validate_exp to validate the expression.
7246 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7247 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7248 all callers changed.
7249 (validate_exp, needs_variable, struct constraint_data)
7250 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7251 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7252 (const_dbl_constraints, constraint_max_namelen)
7253 (have_register_constraints, have_memory_constraints)
7254 (have_address_constraints, have_address_constraints)
7255 (have_extra_constraints, have_const_int_constraints)
7256 (have_const_dbl_constraints, mangle, add_constraint)
7257 (process_define_constraint, process_define_register_constraint)
7258 (write_enum_constraint_num, write_lookup_constraint)
7259 (write_insn_constraint_len, write_regclass_for_constraint)
7260 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7261 (write_insn_extra_memory_constraint)
7262 (write_insn_extra_address_constraint)
7263 (write_satisfies_constraint_fns): New.
7264 (write_tm_preds_h): If we have new-style constraint definitions,
7265 prototype the functions generated from them, and define the
7266 old constraint interface (still used by generic code) in terms of
7268 (write_insn_preds_c): If we have new-style constraint definitions,
7269 generate all relevant functions from those definitions.
7270 (main): Handle define_constraint etc.
7271 * genoutput.c (struct constraint_data, indep_constraints)
7272 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7273 (mdep_constraint_len): New data structures and functions, defined
7274 #ifdef USE_MD_CONSTRAINTS.
7275 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7276 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7277 use new logic to validate operand constraints against constraint
7279 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7281 * defaults.h: If none of the old-style constraint macros are
7282 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7283 old-style macros; and poison REG_CLASS_FROM_LETTER,
7284 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7286 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7287 * doc/md.texi: Document new constraint-definition mechanism and the
7288 C interface it provides. Remove references to old mechanism
7289 elsewhere in the document.
7290 (Machine Constraints): Use pathnames relative to gcc directory,
7291 i.e. config/ARCH/FILE. Change i386 section to refer to
7292 config/i386/predicates.md; update that section to match docstrings.
7293 * doc/tm.texi: Move all documentation of the old constraint-
7294 definition macros to their own section, clearly mark as obsolete.
7296 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7297 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7299 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7300 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7301 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7303 (splits and peepholes): Use satisfies_constraint_*.
7304 * config/i386/i386.c (memory_address_length)
7305 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7307 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7309 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7310 scalar operation to be put back into the loop.
7312 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7315 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7316 (extract_cie_info): Handle S flag in augmentation string.
7317 (execute_cfa_program): If context->signal_frame, execute also
7318 fs->pc == context->ra instructions.
7319 (uw_frame_state_for): If context->signal_frame, don't subtract one
7320 from context->ra to find FDE.
7321 (uw_update_context_1): Set context->signal_frame to
7323 (_Unwind_GetIPInfo): New function.
7324 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7325 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7327 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7328 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7329 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7330 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7331 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7332 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7333 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7334 x86_64_fallback_frame_state): Set fs->signal_frame.
7335 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7336 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7337 (frob_update_context): Likewise. Workaround missing S flag in
7338 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7339 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7340 Remove the psw_addr + 1 hack.
7342 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7344 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7345 with aggregates here.
7346 (find_func_aliases): Remove code for &<aggregate> from here.
7348 2006-02-26 Roger Sayle <roger@eyesopen.com>
7350 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7351 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7352 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7355 2006-02-26 Roger Sayle <roger@eyesopen.com>
7358 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7360 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7362 * opts.c (decode_options): Do not handle flag_strength_reduce.
7363 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7364 and OPT_fstrength_reduce.
7365 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7366 flag_prefetch_loop_arrays for being nonzero.
7367 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7369 (fprefetch-loop-arrays-rtl): Removed.
7370 (flag_prefetch_loop_arrays): Do not specify the value.
7372 * doc/passes.texi: Update documentation of loop optimizer
7374 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7375 -frerun-loop-opt): Remove.
7377 2006-02-26 Richard Guenther <rguenther@suse.de>
7379 PR tree-optimization/26421
7380 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7381 in function calls that are ADDR_EXPRs as using the whole structure.
7383 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7385 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7386 * tree-pass.h (pass_loop_optimize): Remove.
7387 * passes.c (pass_loop_optimize): Never run it.
7388 * toplev.c (backend_init): Don't call init_loop.
7389 * opts.c (flag_loop_optimize_set): Remove.
7390 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7391 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7392 the old RTL loop optimizer when profiling enabled.
7393 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7394 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7395 pre-headers for the sake of the old RTL loop optimizer.
7396 * Makefile.in: Remove all references to loop.o.
7398 * doc/invoke.texi: Remove all references to -floop-optimize
7399 and -frerun-loop-opt.
7401 2006-02-26 Zack Weinberg <zackw@panix.com>
7403 * doc/md.texi (Machine Constraints): Refer to all files with paths
7404 relative to gcc directory (i.e. config/CPU/file). Add missing
7405 @table @code ... @end table to M32C subsection.
7407 2006-02-26 Roger Sayle <roger@eyesopen.com>
7409 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7411 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7413 2006-02-26 Roger Sayle <roger@eyesopen.com>
7414 James A. Morrison <phython@gcc.gnu.org>
7417 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7418 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7419 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7420 signedness of the shift operation.
7422 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7424 PR tree-optimization/26359
7425 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7427 2006-02-25 Roger Sayle <roger@eyesopen.com>
7429 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7430 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7431 as X == 0, and some symmetry related transformations.
7432 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7434 2006-02-25 Roger Sayle <roger@eyesopen.com>
7437 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7438 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7439 symmetry related transformations. Fold (X^C1) == C2 as
7442 2006-02-25 Juergen Weigert <jw@suse.de>
7443 Richard Guenther <rguenther@suse.de>
7445 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7447 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7449 * combine.c (gen_lowpart_or_truncate): Call
7450 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7452 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7454 * doc/invoke.texi: Move -fopenmp description to "Options for
7456 Remove reference to -lgomp.
7458 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7460 * doc/install.texi: Require GNU tar version 1.14.
7462 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7464 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7465 * doc/invoke.texi (C++ Dialect Options): Document
7466 -fno-use-cxa-get-exception-ptr.
7467 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7468 * configure: Regenerate.
7469 * c.opt (fuse-cxa-get-exception-ptr): New.
7470 * c-opts.c (c_common_handle_option): Handle
7471 OPT_fuse_cxa_get_exception_ptr.
7472 * c-common.c (flag_use_cxa_atexit): Update documentation.
7473 (flag_use_cxa_get_exception_ptr): New.
7474 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7475 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7477 (C_COMMON_OVERRIDE_OPTIONS): New.
7479 2006-02-24 Roger Sayle <roger@eyesopen.com>
7482 * combine.c (try_combine): Explicitly check whether GET_CODE is
7483 a SET or a CLOBBER, instead on checking that it isn't a USE.
7485 2006-02-24 Roger Sayle <roger@eyesopen.com>
7487 * fold-const.c (fold_comparison): New subroutine of fold_binary
7488 containing transformations common to both the equality and
7489 ordering relational operators, factored out of fold_binary.
7490 (fold_binary): Separate out the equality operators (EQ_EXPR
7491 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7492 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7493 transformations common to both.
7494 (fold_div_compare): Fix latent bugs in the previously unreachable
7495 LT_EXPR and GE_EXPR cases.
7497 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7499 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7500 decl libname for clog to __clog on AIX.
7502 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7504 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7507 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7508 output traceback table for thunks. Localise rs6000_stack_info call.
7510 2006-02-23 Roger Sayle <roger@eyesopen.com>
7511 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7513 * gthr-posix.h (__gthrw): Fix typo in comment.
7515 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7517 * doc/cpp.texi (Character sets): Document that we do support
7518 input files to be in any character set.
7520 2006-02-23 Jeff Law <law@redhat.com>
7522 * tree.h (PHI_ARG_NONZERO): Remove.
7523 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7524 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7525 node to the new node.
7527 PR tree-optimization/26425
7528 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7529 min/max, then assume its varying.
7531 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7533 PR rtl-optimization/26316
7534 * rtlanal.c (enum may_trap_p_flags): New.
7535 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7536 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7537 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7538 (may_trap_after_code_motion_p): New function.
7539 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7540 (find_invariant_insn): Use may_trap_after_code_motion_p.
7541 * rtl.h (may_trap_after_code_motion_p): Declare.
7543 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7545 * emit-rtl.c (immed_double_const): Cleanup.
7547 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7549 Fix PR tree-optimization/26376
7550 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7553 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7556 * gimplify.c (omp_add_variable): Guard variable size decl test with
7557 DECL_SIZE (decl) check.
7559 2006-02-23 Richard Guenther <rguenther@suse.de>
7562 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7563 like aggregate types.
7565 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7567 * configure.ac: Add --with{,out}-long-double-128 configure option.
7568 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7569 * configure: Rebuilt.
7570 * config.in: Rebuilt.
7571 * doc/install.texi (Options specification): Document
7572 --with-long-double-128.
7574 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7575 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7576 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7577 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7579 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7581 * config/s390/s390.c (override_options): Handle
7582 TARGET_DEFAULT_LONG_DOUBLE_128.
7584 * config/alpha/alpha.c (override_options): Handle
7585 TARGET_DEFAULT_LONG_DOUBLE_128.
7587 * config/sparc/sparc.c (sparc_override_options): Handle
7588 TARGET_DEFAULT_LONG_DOUBLE_128.
7590 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7592 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7593 (real-install-headers-tar, real-install-headers-cpio)
7594 (real-install-headers-cp): New targets.
7596 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7598 * tree.h (variable_section): Delete.
7599 * varasm.c (variable_section): Delete.
7601 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7603 * install.texi: Add notes on install.texi2html.
7604 (Building in parallel): Do not use footnotes.
7606 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7609 * doc/install.texi (Configuration): Document --disable-libgomp.
7611 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7613 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7615 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7617 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7618 (vec_extractv2df_0_sse): New.
7620 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7622 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7623 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7624 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7625 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7626 to the result of the expression.
7627 (def_cfa_1): Adjust.
7628 (frame_pointer_cfa_offset): Rename to...
7629 (frame_pointer_fb_offset): ... this. Adjust all uses.
7630 (convert_cfa_to_loc_list): Rename to...
7631 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7632 Pass it on to build_cfa_loc.
7633 (compute_frame_pointer_to_cfa_displacement): Rename to...
7634 (compute_frame_pointer_to_fb_displacement): ... this. New
7635 offset parameter. Use it in computation.
7636 (gen_subprogram_die): Compute cfa_fb_offset with the new
7637 macro, and use it to compute the fb loc list and the
7640 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7642 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7643 replaced with register_operand.
7644 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7645 non-DREG is expensive.
7646 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7647 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7650 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7652 * doc/install.texi2html: Use set -e.
7654 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7656 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7657 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7658 * doc/invoke.texi (-fshared-data): Delete.
7659 * common.opt (fshared-data): Delete.
7660 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7661 (assemble_static_space): Remove #if 0 code.
7662 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7663 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7664 * config/cris/cris.h: Remove FIXME.
7666 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7668 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7671 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7674 * combine.c (simplify_shift_const_1): Disable nested shifts
7675 optimization for vector shifts.
7677 2006-02-20 Roger Sayle <roger@eyesopen.com>
7679 PR tree-optimization/26361
7680 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7681 of unsigned integer types.
7683 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7685 * tree-chrec.c (eq_evolutions_p): New.
7686 * tree-chrec.h (eq_evolutions_p): Declared.
7687 * tree-data-ref.c: Fix formatting.
7688 (datadep_stats, dependence_stats): New.
7690 (print_direction_vector): New.
7691 (dump_data_dependence_relation): Use print_direction_vector.
7692 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7693 (compute_subscript_distance): Static.
7694 (initialize_data_dependence_relation): Static. Get the number
7695 of loops surrounding the references from the callers, and initialize
7696 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7697 base_object_differ_p analyzers.
7698 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7699 compute_overlap_steps_for_affine_1_2,
7700 analyze_subscript_affine_affine): Count the classified dependences.
7701 Print a message when a test failed.
7702 (can_use_analyze_subscript_affine_affine): New.
7703 (analyze_siv_subscript): Compute the data dependences on symbolic
7704 scevs that verify can_use_analyze_subscript_affine_affine.
7705 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7706 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7707 Handle symbolic scevs.
7708 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7710 (subscript_dependence_tester): Moved...
7711 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7712 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7713 DDR_SIZE_VECT instead of getting it in parameter.
7714 (subscript_dependence_tester): ... here. Take as a parameter
7715 loop_nest_depth. Call build_classic_dist_vector and
7716 build_classic_dir_vector.
7717 (compute_affine_dependence): Update subscript_dependence_tester
7718 parameters. Update datadep_stats counters. Call
7719 compute_subscript_distance.
7720 (compute_self_dependence): Save the dist and dir vectors. Call
7721 compute_subscript_distance.
7722 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7723 (compute_all_dependences): Reorder parameters as they were before
7724 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7725 compute_subscript_distance. Update the use of
7726 compute_affine_dependence and initialize_data_dependence_relation.
7727 (find_data_references_in_loop): Handle COMPONENT_REF.
7728 (compute_data_dependences_for_loop): Initialize dependence_stats.
7729 Don't call build_classic_dist_vector and build_classic_dir_vector.
7730 Update the parameters of initialize_data_dependence_relation and
7731 compute_all_dependences. Print the statistics from datadep_stats.
7732 (analyze_all_data_dependences): Static. Not used until the pass for
7733 checking the data dependences is contributed.
7734 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7735 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7736 (initialize_data_dependence_relation, compute_affine_dependence,
7737 analyze_all_data_dependences, compute_subscript_distance): Removed.
7738 (print_direction_vector): New.
7739 * lambda.h (gcd): ... here.
7740 (lambda_vector_gcd): Moved here from gcd_vector.
7741 * lambda-code.c (gcd, gcd_vector): Removed.
7742 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7743 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7745 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7747 * ipa-type-escape.c: Tidy some comments and white space.
7748 * tree-ssa-operands.c: Likewise.
7750 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7753 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7754 (dump_decl_name): Do not walk the decl tree chains.
7755 * tree-pass.h (TDF_CHAIN): Remove.
7757 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7759 * Makefile.in (C): Remove
7761 (.PHONY): Remove C and PROTO
7763 2006-02-20 Roger Sayle <roger@eyesopen.com>
7766 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7767 deprecated CHAR_TYPE tree code.
7769 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7771 * configure.ac (target_list): Add install-info, dvi, html.
7772 * configure: Regenerate.
7774 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7775 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7776 treelang/Make-lang.in: Do not use double-colon rules.
7778 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7780 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7781 (TMT_USED_ALONE): New macro.
7782 * tree-pass.h (PROP_tmt_usage): New property.
7783 (TODO_update_tmt_usage): New todo.
7784 * tree-ssa-alias.c (updating_used_alone): New variable.
7785 (recalculate_used_alone): New function.
7786 (compute_may_aliases): Set updating_used_alone, call
7787 recalculate_used_alone.
7788 * tree-sra.c (pass_sra): Note that this pass destroys
7789 PROP_tmt_usage, and add TODO_update_tmt_usage.
7790 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7791 * tree-flow.h (updating_used_alone): Prototype.
7792 (recalculate_used_alone): Ditto.
7793 * passes.c (execute_todo): Add code to set updating_used_alone,
7794 and call recalculate.
7795 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7796 for clobber if used alone, and add assert to verify used_alone
7799 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7801 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7802 for non tls symbols added.
7803 (legitimize_address): Do nothing for PLUS expressions if one of the
7804 addends is a tls symbol reference.
7806 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7810 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7812 * Makefile.in (BOOTSTRAPPING): New.
7813 (quickstrap): New definition if BOOTSTRAPPING=yes.
7815 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7816 * configure.ac: Substitute all_selected_languages with the languages
7817 that were configured. For all the other variables except
7818 lang_specs_files, include all the languages in the tree.
7819 * configure: Regenerate.
7821 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7822 if there is one. Run the commands to run fixincludes in the same
7825 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7826 * doc/install.texi: Document exact conventions for searching target tools.
7827 Document --with-build-time-tools. Document toplevel bootstrap. Document
7828 something more about building an Ada cross-compiler. Don't list GNU Make
7829 requirements which affect all platforms.
7831 2006-02-19 Roger Sayle <roger@eyesopen.com>
7834 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7835 only equivalent if the have both the same mode and precision.
7837 2006-02-20 Ben Elliston <bje@au.ibm.com>
7839 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7841 2006-02-19 Roger Sayle <roger@eyesopen.com>
7842 Steven Bosscher <stevenb.gcc@gmail.com>
7844 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7845 constant pool references to identify stack mode constants.
7846 * rtlanal.c (constant_pool_constant_p): New predicate to check
7847 whether operand is a floating point constant in the pool.
7848 * rtl.h (constant_pool_constant_p): Prototype here.
7849 * loop.c (scan_loop): Avoid hoisting constants from the constant
7850 pool on STACK_REGS targets.
7851 (load_mems): Likewise.
7852 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7853 loads into x87 registers expensive in terms of register pressure.
7855 2006-02-19 Roger Sayle <roger@eyesopen.com>
7857 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7858 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7860 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7862 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7863 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7865 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7867 * doc/invoke.texi: Document -fipa-pta.
7868 * common.opt: Add ipa-pta option.
7869 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7870 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7871 (do_ds_constraint): Ditto.
7872 (get_constraint_for): Only add to referenced_vars if
7873 referenced_vars exists.
7874 (insert_into_field_list): Rewrite to do this unsorted.
7875 (insert_into_field_list_sorted): Rename old insert_into_field_list
7877 (create_function_info_for): Use insert_into_field_list_sorted.
7878 (create_variable_info_for): Rewrite so it uses unsorted version,
7879 since the field list is sorted.
7880 (intra_create_variable_infos): Only add to referenced_vars if
7881 referenced_vars exists.
7882 (ipa_pta_execute): Init heapvars, and delete when done.
7883 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7885 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7887 * doc/install.texi: Add missing `@samp'.
7889 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7891 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7894 2006-02-18 Mark Wielaard <mark@klomp.org>
7896 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7897 who added new 4.1 features, bug fixes and integration support.
7899 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7902 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7905 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7907 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7908 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7909 (copy_insn_1): Likewise. Don't copy each field individually.
7911 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7913 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7914 * rtl.c (rtx_size): Rename variable to...
7915 (rtx_code_size): ...this.
7916 (rtx_size): New function.
7917 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7918 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7920 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7921 * rtl.h (rtx_code_size): New variable.
7922 (rtx_size): Change from a variable to a function.
7923 (RTX_SIZE): Rename to...
7924 (RTX_CODE_SIZE): ...this.
7927 PR tree-optimization/17106
7928 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7929 (Anchored Addresses): New section.
7930 * doc/invoke.texi (-fsection-anchors): Document.
7931 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7932 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7933 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7934 * hooks.c (hook_bool_mode_rtx_false): New function.
7935 * hooks.h (hook_bool_mode_rtx_false): Declare.
7936 * gengtype.c (create_optional_field): New function.
7937 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7938 SYMBOL_REF_IN_BLOCK_P is true.
7939 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7940 (min_anchor_offset, max_anchor_offset): Likewise.
7941 (use_anchors_for_symbol_p): New hook.
7942 * toplev.c (compile_file): Call output_object_blocks.
7943 (target_supports_section_anchors_p): New function.
7944 (process_options): Check that -fsection-anchors is only used on
7945 targets that support it and when -funit-at-a-time is in effect.
7946 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7947 if the decl doesn't have one.
7948 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7949 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7950 of force_const_mem through use_anchored_address.
7951 (expand_expr_constant): New function.
7952 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7953 calling expand_expr for INDIRECT_REF.
7954 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7955 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7956 * expr.h (use_anchored_address): Declare.
7957 * loop-unroll.c: Don't declare rtx vectors here.
7958 * explow.c: Include output.h.
7959 (validize_mem): Call use_anchored_address.
7960 (use_anchored_address): New function.
7961 * common.opt (-fsection-anchors): New switch.
7962 * varasm.c (object_block_htab, anchor_labelno): New variables.
7963 (hash_section, object_block_entry_eq, object_block_entry_hash)
7964 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7965 (use_blocks_for_decl_p, change_symbol_section): New functions.
7966 (get_variable_section): New function, split out from assemble_variable.
7967 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7968 use_blocks_for_decl_p say so. Use change_symbol_section if the
7969 symbol has already been created.
7970 (assemble_variable_contents): New function, split out from...
7971 (assemble_variable): ...here. Don't output any code for
7972 block symbols; just pass them to place_block_symbol.
7973 Use get_variable_section and assemble_variable_contents.
7974 (get_constant_alignment, get_constant_section, get_constant_size): New
7975 functions, split from output_constant_def_contents.
7976 (build_constant_desc): Create a block symbol if use_object_blocks_p
7977 says so. Or into SYMBOL_REF_FLAGS.
7978 (assemble_constant_contents): New function, split from...
7979 (output_constant_def_contents): ...here. Don't output any code
7980 for block symbols; just pass them to place_section_symbol.
7981 Use get_constant_section and get_constant_alignment.
7982 (force_const_mem): Create a block symbol if use_object_blocks_p and
7983 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7984 (output_constant_pool_1): Add an explicit alignment argument.
7985 Don't switch sections here.
7986 (output_constant_pool): Adjust call to output_constant_pool_1.
7987 Switch sections here instead. Don't output anything for block symbols;
7988 just pass them to place_block_symbol.
7989 (init_varasm_once): Initialize object_block_htab.
7990 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7991 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7992 (place_block_symbol, get_section_anchor, output_object_block)
7993 (output_object_block_htab, output_object_blocks): New functions.
7994 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7995 (TARGET_ASM_OUT): Include it.
7996 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7997 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7998 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7999 (TARGET_INITIALIZER): Include them.
8000 * rtl.c (rtl_check_failed_block_symbol): New function.
8001 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8002 (block_symbol, object_block): New structures.
8003 (rtx_def): Add a block_symbol field to the union.
8004 (BLOCK_SYMBOL_CHECK): New macro.
8005 (rtl_check_failed_block_symbol): Declare.
8006 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8007 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8008 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8009 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8010 * output.h (output_section_symbols): Declare.
8011 (object_block): Name structure.
8012 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8013 (default_use_anchors_for_symbol_p): Declare.
8014 * Makefile.in (RTL_BASE_H): Add vec.h.
8015 (explow.o): Depend on output.h.
8016 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8017 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8018 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8019 (rs6000_use_blocks_for_constant_p): New function.
8021 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8023 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8025 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8028 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8031 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8033 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8037 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8040 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8041 instead of DECL_REGISTER.
8043 2006-02-18 Olivier Hainque <hainque@adacore.com>
8046 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8048 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8051 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8052 * opth-gen.awk: Handle Var and InverseMask together.
8053 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8054 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8055 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8056 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8058 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8059 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8060 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8061 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8062 LINUX_DYNAMIC_LINKER): Define.
8063 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8064 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8066 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8067 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8068 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8070 (TARGET_C99_FUNCTIONS): Don't define.
8071 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8072 GLIBC_DYNAMIC_LINKER.
8073 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8074 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8075 GLIBC_DYNAMIC_LINKER64): Define.
8076 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8077 LINUX_DYNAMIC_LINKER64.
8078 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8080 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8082 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8084 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8085 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8086 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8088 and LINUX_DYNAMIC_LINKER32.
8089 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8091 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8093 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8095 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8096 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8097 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8098 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8099 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8100 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8101 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8102 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8103 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8104 LINUX_DYNAMIC_LINKER): Define.
8105 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8106 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8107 GLIBC_DYNAMIC_LINKER64): Define.
8108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8109 LINUX_DYNAMIC_LINKER64.
8110 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8111 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8112 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8113 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8114 LINUX_DYNAMIC_LINKER): Define.
8115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8116 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8117 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8118 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8119 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8120 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8121 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8122 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8123 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8124 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8126 * doc/invoke.texi (-muclibc): Remove caveat about supported
8129 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8131 * doc/cpp.texi (__TIMESTAMP__): Document.
8133 2006-02-17 Roger Sayle <roger@eyesopen.com>
8136 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8137 C is one less than the width of X (and related transformations).
8138 * simplify-rtx.c (simplify_unary_operation_1): Transform
8139 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8140 depending on STORE_FLAG_VALUE, were C is one less then the
8143 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8145 Fix PR tree-optimization/26341
8146 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8147 about NAME_MEMORY_TAG's.
8149 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8152 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8153 with hardware float support, and software float support. Add fcpy
8154 alternative to hardware patterns. Add alternatives to copy between
8155 general and floating-point registers to the 32-bit pattern.
8156 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8157 secondary reload to load a QI or HI mode constant into a floating
8159 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8160 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8162 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8165 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8167 (load_macho_picbase_di): Likewise.
8169 2006-02-16 Jeff Law <law@redhat.com>
8171 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8172 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8173 (ssa_name_nonzero_p): Likewise.
8174 (get_value_range): Return NULL if VRP is not running.
8175 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8176 VRP routines do not discover a range.
8177 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8178 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8179 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8180 (tree_expr_nonnegative_p): Similarly.
8181 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8182 (restore_nonzero_vars_to_original_value): Remove.
8183 (unsafe_associative_fp_binop): Remove.
8184 (tree_ssa_dominator_optimize): Remove initialization and
8185 finalization of nonzero_vars and nonzero_vars_stack.
8186 (dom_opt_initialize_block): No longer push marker on
8188 (dom_opt_finalize_block): No longer call
8189 restore_nonzero_vars_to_original_value.
8190 (record_equivalences_from_phis): No longer look for
8191 nonzero PHI arguments.
8192 (cprop_into_successor_phis): No longer propagate nonzero
8193 property into PHI arguments. Lose unused argument. Caller
8195 (record_equivalences_from_stmt): No longer record nonzero
8196 values for SSA_NAMEs.
8197 (lookup_avail_expr): No longer use nonzero_vars.
8199 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8200 for sizetype when sizetype is unsigned.
8202 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8204 PR rtl-optimization/25603
8205 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8206 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8207 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8208 with new meaning of SETS.
8210 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8215 * config/linux.opt: New file.
8216 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8217 LINUX_DYNAMIC_LINKER): Define.
8218 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8219 * config.gcc (*-*-linux*): Define extra_options.
8220 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8221 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8222 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8223 GLIBC_DYNAMIC_LINKER.
8224 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8225 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8226 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8228 * doc/invoke.texi (GNU/Linux Options): New section.
8230 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8232 * config/sparc/sparc.md (setjmp): Rewrite.
8233 (setjmp_32): Delete.
8234 (setjmp_64): Likewise.
8236 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8238 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8241 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8243 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8246 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8248 PR rtl-optimization/26296
8249 * Makefile.in (loop-invariant.c): Add except.h dependency.
8250 * loop-invariant.c: Include except.h.
8251 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8253 2005-02-16 Paul Brook <paul@codesourcery.com>
8255 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8258 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8260 PR rtl-optimization/25636
8261 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8262 when deciding whether an insn is an initializing insn.
8264 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8266 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8267 (tree_code_size): Ditto.
8268 * tree.h (struct tree_memory_tag): Remove parent_var.
8269 (struct tree_struct_field_tag): New.
8272 (union tree_node): Add sft member.
8273 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8275 (create_sft): Add size and offset argument, set SFT_OFFSET and
8277 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8278 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8279 * tree-flow-inline.h (get_subvar_at): Update for
8280 SFT_OFFSET/SFT_SIZE.
8281 (var_can_have_subvars): Ditto.
8282 (overlap_subvar): Ditto.
8283 * print-tree.c (print_node): Print out interesting things for
8285 * tree-flow.h (struct subvar): Remove offset and size members.
8286 * tree-ssa-operands.c (get_expr_operands): Update for
8287 get_indirect_ref_operands changes.
8288 (get_indirect_ref_operands): Call add_virtual_operand instead of
8289 add_stmt_operand. Only recurse on base var if requested.
8290 (access_can_touch_variable): New function.
8291 (add_stmt_operand): Split virtual operand handling into ...
8292 (add_virtual_operand): Here. Add offset, size, and for_clobber
8293 arguments. Prune alias sets.
8294 (add_call_clobber_ops): Call add_virtual_operand.
8296 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8299 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8301 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8302 than TREE_CODE as index into omp_clause_num_ops array.
8304 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8306 PR rtl-optimization/26184
8307 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8309 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8310 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8311 must_precede, must_follow and tobe_scheduled.
8314 * opts.c (common_handle_option): Free new_option pointer.
8315 * df-core.c (df_analyze): Free postorder pointer.
8317 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8319 * Makefile.in: Fix the examples about the use of stamps
8321 2006-02-15 Michael Matz <matz@suse.de>
8325 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8326 influenced by maximum_field_alignment or DECL_PACKED.
8327 (update_alignment_for_field): Ditto.
8328 (place_field): Ditto.
8329 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8332 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8334 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8335 (debug_flow_info): Pass it.
8336 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8337 * bb-reorder.c (reorder_basic_blocks): Likewise.
8338 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8339 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8340 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8341 * gcse.c (gcse_main, bypass_jumps): Likewise.
8342 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8343 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8344 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8345 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8346 * rtl.h (dump_flow_info): Adjust prototype.
8347 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8348 * var-tracking.c (variable_tracking_main): Likewise.
8349 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8350 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8353 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8355 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8358 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8360 PR tree-optimization/26209
8361 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8362 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8364 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8366 2006-02-14 Roger Sayle <roger@eyesopen.com>
8369 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8370 (X,Y) and the corresponding symmetry related transformations.
8371 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8372 (X,Y) and its symmetry related transformations.
8374 2006-02-14 Roger Sayle <roger@eyesopen.com>
8376 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8379 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8381 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8383 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8386 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8387 support COMDAT group.
8388 * configure: Regenerate.
8390 2006-02-14 Roger Sayle <roger@eyesopen.com>
8395 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8397 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8399 Fix PR tree-optimization/26260
8401 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8403 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8404 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8405 * tree-ssa-structalias.c (create_variable_info_for): Use
8406 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8408 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8410 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8412 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8413 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8414 of the ending condition.
8415 * tree-ssa-loop-manip.c: Include params.h.
8416 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8417 tree_unroll_loop): New functions.
8418 * tree-pass.h (pass_loop_prefetch): Declare.
8419 * loop.c (rest_of_handle_loop_optimize): Test for
8420 -fprefetch-loop-arrays-rtl.
8421 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8422 * timevar.def (TV_TREE_PREFETCH): New timevar.
8423 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8424 pass_loop_prefetch): New.
8425 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8426 (cleanup_tree_cfg_loop): Call scev_reset.
8427 * common.opt (fprefetch-loop-arrays-rtl): Add.
8428 * tree-ssa-loop-prefetch.c: New file.
8429 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8430 (new_temp_expr_table): Initialize expr_vars.
8431 (free_temp_expr_table): Cleanup expr_vars.
8432 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8433 expressions from being merged into one.
8434 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8435 (struct tree_niter_desc): Add control, bound and cmp fields.
8436 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8438 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8439 (tree-cfgcleanup.o): Add SCEV_H dependency.
8440 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8441 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8443 2006-02-14 Richard Guenther <rguenther@suse.de>
8445 PR tree-optimization/26258
8446 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8447 in PHI argument processing.
8449 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8451 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8452 new expression in the requested machine mode.
8454 2006-02-13 Roger Sayle <roger@eyesopen.com>
8456 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8457 directly, instead let do_compare_rtx_and_jump handle this for us.
8458 * expr.c (expand_expr_real_1): Likewise.
8459 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8460 before do_jump_by_parts_greater.
8461 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8462 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8464 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8466 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8468 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8470 PR rtl-optimization/26235
8471 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8472 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8475 2006-02-13 Jeff Law <law@redhat.com>
8477 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8480 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8483 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8484 twice if decl is a builtin. When trying again, call get_callee_fndecl
8485 first to verify it is still a builtin.
8487 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8489 * dwarf2out.c (base_type_die): Don't add AT_name here.
8490 (subrange_type_die): Don't add AT_name here.
8491 (modified_type_die): Rearrange code flow. Do add AT_name here.
8493 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8495 PR rtl-optimization/26247
8496 PR rtl-optimization/26248
8497 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8499 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8501 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8502 * config/fixtfdi.c: Likewise.
8503 * config/fixunstfdi.c: Likewise.
8504 * config/floatditf.c: Likewise.
8506 2006-02-13 Roger Sayle <roger@eyesopen.com>
8509 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8510 into (X,C2) if C1 is a subset of the bits of C2. Transform
8511 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8513 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8515 2006-02-13 Josh Conner <jconner@apple.com>
8518 * varasm.c (function_section): Check for section name before
8519 calling select_section on targets that define
8520 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8521 unlikely_text_section instead of hot_function_section if
8522 first_function_block_is_cold.
8524 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8527 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8529 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8531 PR rtl-optimization/26222
8532 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8533 after tree->rtl expansion.
8534 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8535 before passing it to emit_move_insn.
8537 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8539 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8541 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8542 Clarify documentation.
8543 * c-common.h (warn_write_strings): Remove.
8544 * c-common.c (warn_write_strings): Likewise.
8545 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8548 2006-02-12 Roger Sayle <roger@eyesopen.com>
8551 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8552 (do_jump_parts_zero_rtx): New function renamed from
8553 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8554 (do_jump_parts_equality_rtx): New function split out from
8555 do_jump_parts_equality. Old implementation renamed as above.
8556 Call do_jump_parts_zero_rtx if either operand is zero.
8557 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8558 do all of the heavy lifting.
8559 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8560 calling either do_jump_by_parts_greater_rtx or
8561 do_jump_by_parts_equality_rtx.
8562 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8563 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8564 moved to do_compare_rtx_and_jump, call it directly.
8565 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8566 mode argument. Call do_compare_rtx_and_jump.
8567 (emit_case_nodes): Update calls to do_jump_if_equal.
8569 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8571 PR rtl-optimization/26225
8572 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8574 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8576 PR rtl-optimization/26232
8577 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8579 2006-02-11 Jason Merrill <jason@redhat.com>
8582 * tree-inline.c (declare_return_variable): Just don't use the
8583 modify target if it's a gimple complex reg and the return slot
8586 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8588 * doc/contrib.texi: Update my entry.
8590 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8592 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8594 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8596 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8599 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8601 * doc/invoke.texi (-floop-optimize2): Removed.
8602 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8603 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8604 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8605 * common.opt (floop-optimize2): Removed.
8606 (fmove-loop-invariants): Enabled by default.
8608 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8610 * tree-if-conv.c (combine_blocks): Free the result of
8611 get_loop_exit_edges.
8613 2006-02-10 Jeff Law <law@redhat.com>
8615 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8617 PR tree-optimization/26213
8618 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8619 loop trying to follow SSA_NAME_VALUE chains.
8621 2006-02-10 Richard Guenther <rguenther@suse.de>
8623 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8624 deal with structures that end in implicitly variable sized arrays.
8626 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8628 PR rtl-optimization/24762
8629 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8632 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8634 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8635 (struct ivopts_data): Add regs_used field.
8636 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8637 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8638 instead of loop_data->regs_used;
8639 (free_loop_data): Do not free aux fields for loops.
8640 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8641 and tree_ssa_iv_optimize_finalize.
8643 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8645 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8647 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8650 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8651 computing the effective result type.
8653 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8656 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8657 (tree_overlaps_hard_reg_set): Declare.
8658 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8659 type and signature to match function type expected by walk_tree.
8660 (tree_overlaps_hard_reg_set): New function.
8661 (decl_conflicts_with_clobbers_p): Rename to:
8662 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8663 Use tree_overlaps_hard_reg_set. Changed caller.
8664 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8665 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8666 * cris.c (cris_md_asm_clobbers): Likewise.
8668 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8670 * reload1.c (emit_input_reload_insns): Delete code that tries to
8671 inherit using find_equiv_reg.
8673 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8675 * c-common.h (flag_const_strings): Don't declare.
8676 * c-common.c (flag_const_strings): Remove.
8677 * c.opt (fconst_strings): Remove.
8678 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8679 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8680 (c_common_init_options): Don't set flag_const_strings.
8681 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8683 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8685 * arm.md (tlobits_cbranch): New pattern.
8686 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8687 testing a single bit.
8689 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8692 * tree-ssa-pre.c (create_component_ref_by_pieces):
8693 Handle RETURN_DECL like VAR_DECL.
8695 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8698 * fold-const.c (fold_indirect_ref_1): Fold
8699 "*(foo *)&complexfoo" to "__real__ complexfoo"
8700 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8702 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8704 * tree-flow-inline.h (var_can_have_subvars):
8705 Volatile variables should not have subvariables.
8707 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8710 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8711 multiplying unsigned values.
8714 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8716 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8718 2006-02-08 Jason Merrill <jason@redhat.com>
8721 * tree.def: Elaborate on difference from MODIFY_EXPR.
8722 * doc/c-tree.texi (INIT_EXPR): Likewise.
8723 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8724 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8725 (gimplify_target_expr): Likewise.
8726 (gimplify_cond_expr): Remove target handling.
8727 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8728 (gimplify_expr): Clobber it here.
8729 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8730 Do return slot optimization if we have an INIT_EXPR.
8733 * tree-inline.c (declare_return_variable): Also clear
8734 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8737 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8740 * gimplify.c (gimplify_one_sizepos): Fix typo.
8742 2006-02-08 Jeff Law <law@redhat.com>
8744 PR tree-optimization/21417
8745 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8746 across a backedge if the control statement at the end of the
8747 block is data dependent on other statements in the same block.
8748 (record_temporary_equivalences_from_stmts): Remove over-conservative
8749 test for threading across backedges.
8751 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8752 control statement, handle all three special cases in the same
8753 manner as they all have the same desired solution. No longer
8754 special case edge flag updating when the post dominator is
8757 2006-02-08 Roger Sayle <roger@eyesopen.com>
8759 * tree.def (CHAR_TYPE): Remove.
8760 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8761 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8762 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8763 (gen_string_type_die): Delete unreachable function.
8765 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8766 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8767 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8768 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8769 * builtins.c (type_to_class): Likewise.
8770 * fold-const.c (fold_convert, build_range_check,
8771 merge_ranges): Likewise.
8772 * expr.c (count_type_elements): Likewise.
8773 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8774 * stor-layout.c (layout_type): Likewise.
8775 * ipa-type-escape.c (type_to_consider): Likewise.
8776 * gimplify.c (omp_firstprivatize_type_sizes,
8777 gimplify_type_sizes): Likewise.
8778 * explow.c (promote_mode): Likewise.
8779 * tree-sra.c (is_sra_scalar_type): Likewise.
8780 * varasm.c (output_constant): Likewise.
8781 * tree-inline.c (remap_type_1): Likewise.
8782 * convert.c (convert_to_pointer, convert_to_real,
8783 convert_to_integer, convert_to_complex): Likewise.
8785 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8787 * df-scan.c (df_def_record_1): A set destination may
8788 be a parallel regardless of mode.
8790 2006-02-08 Roger Sayle <roger@eyesopen.com>
8793 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8794 * config/mips/_tilib.c: Remove.
8795 * config/fixtfdi.c: New libgcc source file.
8796 * config/fixunstfdi.c: New source file.
8797 * config/floatditf.c: New source file.
8798 * config/floatunditf.c: New souce file.
8799 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8800 files above instead of config/mips/_tilib.c.
8801 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8803 2006-02-08 Jeff Law <law@redhat.com>
8805 PR tree-optimization/26169
8806 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8809 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8811 * df.h (DF_REG_SIZE): Return the length of the initialized
8814 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8816 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8817 __muldf3): Return a correctly signed zero.
8819 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8821 * passes.c (register_one_dump_file): Accept the current properties
8822 instead of pass number. Adjust call to dump_register. Remove
8824 (register_dump_files): Now a wrapper around...
8825 (register_dump_files_1): ... this one. Do not modify the pass
8827 (next_pass_1): Cosmetic fix.
8828 (execute_todo): Keep second parameter only. Use curr_properties
8829 instead of fetching it from the pass structure. Check and set
8831 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8832 instead of fetching it from the pass structure. Fix calls to
8833 execute_todo. Update curr_properties and initialize .vcg RTL dump
8834 after running the pass. Reset last_verified.
8835 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8837 (FIRST_AUTO_NUMBERED_DUMP): New.
8838 (dump_register): Remove "num" parameter, assign it within the
8840 (get_dump_file_name): Modify template for dumps.
8841 * tree-dump.h (dump_register): Adjust prototype.
8842 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8843 (PROP_trees): Add PROP_gimple_lomp.
8844 (TODO_set_props): New.
8845 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8846 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8847 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8849 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8851 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8852 (sparc64-*-linux*): Likewise.
8853 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8854 * config/sparc/t-linux: New file.
8855 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8856 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8857 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8858 -m32 -mlong-double-128.
8860 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8861 * config/alpha/t-linux: New file.
8862 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8864 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8865 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8866 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8867 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8868 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8869 (CPP_ARCH32_SPEC): Remove.
8871 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8873 PR tree-optimization/26145
8874 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8877 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8880 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8881 >= 240000 when generating code for SOM runtime.
8882 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8883 to $$dyncall when generating code for SOM runtime..
8885 2006-02-07 Dirk Mueller <dmueller@suse.com>
8888 * doc/invoke.texi (-Wsequence-point): Update documentation
8889 that -Wsequence-point is implemented for C++ as well.
8891 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8893 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8894 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8895 (LIB_SPEC): Likewise.
8896 * doc/invoke.texi (SPARC options): Document -pthread.
8898 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8900 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8903 2006-02-07 Roger Sayle <roger@eyesopen.com>
8905 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8906 Correct comment describing BOOLEAN_TYPE.
8908 2006-02-07 Dirk Mueller <dmueller@suse.com>
8910 * c.opt: C++ frontend supports -Wdiv-by-zero.
8911 * c-opts.c (c_common_handle_option): Remove dead case.
8913 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8915 * configure.ac (TLS assembler check): Do not enable TLS by
8916 default on SPARC/Solaris before version 10.
8917 * configure: Regenerate.
8919 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8921 * doc/invoke.texi (xl-compat): Document conversion and support
8924 2006-02-07 Jeff Law <law@redhat.com>
8926 * tree-vrp.c (find_conditional_asserts): Update comments.
8927 (simplify_stmt_for_jump_threading): New.
8928 (identify_jump_threads, finalize_jump_threads): New.
8929 (vrp_finalize): Call identify_jump_threads.
8930 (execute_vrp): Call finalize_jump_threads.
8931 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8932 (vrp_element, vrp_data, vrp_element_p): Remove.
8933 (vrp_hash_elt, vrp_variables_stack): Remove.
8934 (vrp_hash, vrp_eq, record_range): Remove.
8935 (simplify_cond_and_lookup_avail_expr): Remove.
8936 (extract_range_from_cond): Remove.
8937 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8938 (simplify_stmt_for_jump_threading): New.
8939 (dom_thread_across_edge): New wrapper.
8940 (tree_ssa_dominator_optimize): No longer initialize or
8941 finalize any of the VRP datastructures. Remove iteration
8942 step and simplify as a result of removal of iteration step.
8943 (pass_dominator): Perform a cfg cleanup after DOM.
8944 (dom_opt_finalize_block): Use the new common routines
8945 for threading jumps. Simplify stack management slightly.
8946 No longer need to unwind VRP state.
8947 (record_equivalences_from_incoming_edge): No longer record
8949 (eliminate_redundant_computations): No longer call
8950 simplify_cond_and_lookup_avail_expr.
8951 * tree-flow.h (potentially_threadable_block): Prototype.
8952 (thread_across_edge): Likewise.
8953 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8954 (tree-ssa-threadedge.o): Add dependencies.
8955 * tree-ssa-threadedge.c: New file.
8956 * passes.c (init_optimization_passes): Merge PHIs before
8957 calling VRP. Run VRP again late in the SSA optimization pipeline.
8959 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8961 * df-core.c (df_set_blocks): Do not dereference function pointers.
8962 (df_finish1): Likewise.
8963 (df_hybrid_search_forward): Likewise.
8964 (df_hybrid_search_backward): Likewise.
8965 (df_iterative_dataflow): Likewise.
8966 (df_analyze_problem): Likewise.
8967 (df_compact_blocks): Likewise.
8968 (df_dump): Likewise.
8969 * df-scan.c (df_rescan_blocks): Likewise.
8970 (df_record_entry_block_defs): Likewise.
8972 * genconditions.c (write_conditions): Guard the definition of
8973 'insn_conditions' with the check on GCC version.
8974 (write_writer): Guard the traversal 'insn_conditions' with
8975 the check on GCC version.
8977 2006-02-07 Richard Guenther <rguenther@suse.de>
8981 2006-01-30 Richard Guenther <rguenther@suse.de>
8983 * gimplify.c (gimplify_target_expr): Handle easy cases
8984 without creating a temporary.
8986 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8988 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8989 use of float in probability computations. Use edge probabilities
8990 in place of statically computed probabilities.
8991 (min_spec_prob): New static variable.
8992 (schedule_insns): Initialize it.
8993 (GET_SRC_PROB): Removed.
8994 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8996 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8999 * config/ia64/unwind-ia64.c: Revert last change.
9000 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9001 (INCOMING_FRAME_SP_OFFSET): Define.
9003 2006-02-06 Roger Sayle <roger@eyesopen.com>
9005 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9007 2006-02-07 Ben Elliston <bje@au.ibm.com>
9009 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9010 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9011 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9012 (ix86_return_in_memory): Handle TDmode.
9013 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9014 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9016 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9018 * reorg.c (dbr_schedule): Use dump_file instead of file.
9020 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9023 * config/ia64/predicates.md (extr_len_operand): New predicate.
9024 * config/ia64/ia64.md (extv): Tighten constraints.
9026 (*tbit_and_2): Ditto.
9027 (*tbit_and_3): Ditto.
9028 (*tbit_or_2): Ditto.
9029 (*tbit_or_3): Ditto.
9033 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9036 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9038 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9040 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9041 loop_optimizer_init and loop_optimizer_finalize
9042 * tree-ssa-sink.c (execute_sink_code): Ditto.
9043 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9044 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9045 tree_ssa_loop_done): Ditto.
9046 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9047 * sched-ebb.c: Include output.h.
9048 (schedule_ebbs): Do not use dump argument.
9049 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9050 * loop.c (loop_dump_stream): Removed.
9051 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9053 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9054 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9055 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9056 loop_iterations, strength_reduce, record_biv, record_giv,
9057 final_giv_value, check_final_value, check_ext_dependent_givs,
9058 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9059 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9060 dump_file instead of loop_dump_stream.
9061 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9063 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9065 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9066 * haifa-sched.c: Include output.h
9067 (schedule_insns, sched_init): Do not use dump argument.
9068 * mode-switching.c (optimize_mode_switching): Ditto.
9069 * modulo-sched.c (stats_file): Removed.
9070 (print_node_sched_params): Do not call argument dump_file.
9071 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9072 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9074 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9076 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9077 rtl_loop_init, rtl_loop_done): Ditto.
9078 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9079 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9081 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9082 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9083 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9084 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9085 * emit-rtl.c (renumber_insns): Ditto.
9086 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9087 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9088 * regclass.c (regclass): Ditto.
9089 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9090 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9091 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9092 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9094 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9095 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9097 * gcse.c (gcse_file, debug_stderr): Removed.
9098 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9099 rest_of_handle_gcse): Do not use dump argument.
9100 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9101 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9102 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9103 compute_code_hoist_vbeinout, compute_code_hoist_data,
9104 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9105 compute_store_table, build_store_vectors, insert_insn_start_bb,
9106 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9107 store_motion): Use dump_file instead of gcse_file.
9108 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9109 * profile.c (profile_dump_file): Removed.
9110 (branch_prob): Use dump_file instead of profile_dump_file.
9111 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9113 * tree-ssa-copy.c (dump_copy_of): Ditto.
9114 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9115 dump file to life_analysis.
9116 * bt-load.c (branch_target_load_optimize): Ditto.
9117 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9119 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9120 regclass, dbr_schedule): Declaration changed.
9121 * sched-int.h (sched_init): Declaration changed.
9122 * tree-profile.c (tree_profile_dump_file): Removed.
9123 (tree_profile_hooks): Removed profile_dump_file hook.
9124 * rtl-profile (rtl_profile_dump_file): Removed.
9125 (rtl_profile_hooks): emoved profile_dump_file hook.
9126 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9128 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9129 * tree-cfg.c (build_tree_cfg): Ditto.
9130 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9131 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9132 Declaration changed.
9133 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9134 life_analysis and schedule_insns.
9135 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9137 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9139 * config/mips/mips.c (mips_reorg): Ditto.
9140 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9143 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9145 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9146 (s390_mangle_fundamental_type): New.
9147 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9150 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9151 (alpha_mangle_fundamental_type): New.
9152 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9155 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9157 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9159 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9160 (sparc_mangle_fundamental_type): New.
9162 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9164 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9165 (s390x-*-linux*): Likewise.
9166 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9167 * config/s390/t-linux: New file.
9169 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9171 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9172 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9174 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9176 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9177 (ANTIC_SAFE_LOADS): New macro.
9178 (find_or_generate_expression): Add prototype.
9179 (set_contains_value): Allow null set for sake of not always having
9180 to allocate ANTIC_SAFE_LOADS.
9181 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9182 Allow COMPONENT_REF too.
9183 (valid_in_set): Allow COMPONENT_REF.
9184 Check ANTIC_SAFE_LOADS too.
9185 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9186 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9188 (can_PRE_operation): Add COMPONENT_REF.
9189 (create_component_ref_by_pieces): New function.
9190 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9191 (insert_aux): Move AGGREGATE_TYPE_P check here.
9192 (compute_avail): Set bb local stmt uids.
9193 (pass_pre): Use TODO_update_ssa_only_virtuals.
9195 2006-02-06 Ben Elliston <bje@au.ibm.com>
9197 * configure.ac: Unconditionally disable decimal float by default.
9198 * configure: Regenerate.
9200 2006-02-06 Ben Elliston <bje@au.ibm.com>
9202 * read-rtl.c (read_name): Terminate reading on EOF.
9204 2006-02-06 Ben Elliston <bje@au.ibm.com>
9206 * dfp.c (decimal_real_arithmetic): Change second argument type
9207 from int to enum tree_code. Do not always return true, but now
9208 return result of any call to decimal_do helper functions.
9209 * dfp.h (decimal_real_arithmetic): Update prototype.
9211 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9213 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9215 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9218 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9221 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9223 * tree-vrp.c (cfg_loops): Removed.
9224 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9225 Use current_loops instead of cfg_loops. Pass flags to
9226 loop_optimizer_init.
9227 * cfgloopmanip.c (fix_loop_structure): Update only available
9229 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9230 loop_optimizer_init.
9231 * modulo-sched.c (build_loops_structure): Removed.
9232 (sms_schedule): Use loop_optimizer_init.
9233 * loop-init.c (loop_optimizer_init): Use flags to determine
9234 which properties of loops to prepare.
9235 (rtl_loop_init): Pass flags to loop_optimizer_init.
9236 * tree-ssa-sink.c (execute_sink_code): Ditto.
9237 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9238 * tree-ssa-pre.c (init_pre): Ditto.
9239 * cfgloop.h (LOOPS_NORMAL): New.
9240 (loop_optimizer_init): Declaration changed.
9242 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9244 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9245 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9247 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9249 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9251 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9252 * pa/t-pa64: Delete quadlib.c rule.
9253 * pa/x-ada: Revert last change.
9254 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9256 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9258 PR rtl-optimization/26087
9259 * rtlanal.c (canonicalize_condition): Do not cross basic block
9262 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9265 * config/ia64/ia64.c: Include debug.h.
9266 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9267 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9268 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9269 (process_epilogue, process_set, process_for_unwind_directive):
9270 Output unwind info only if requested. Add CFA info if requested.
9271 Add new arguments as needed. Adjust callers.
9272 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9274 (DWARF2_FRAME_INFO): Define to zero.
9275 * config/ia64/unwind-ia64.c: Remove code that compensated for
9276 the CFA offset error fixed above.
9277 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9278 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9279 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9280 -funwind-tables and -fexceptions to enable frame info.
9281 (dwarf2out_frame_init): Define initial CFA even if
9282 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9283 DWARF2_UNWIND_INFO is nonzero, not just defined.
9284 (dwarf2out_frame_finish): Output non-EH call frame info only
9285 if DWARF2_FRAME_INFO is nonzero.
9286 (convert_cfa_to_loc_list,
9287 compute_frame_pointer_to_cfa_displacement): Define even if
9288 unwind info is not supported.
9289 (gen_subprogram_die): Use the above unconditionally. Remove
9290 legacy alternate code.
9291 * toplev.c (compile_file): Compile in call to
9292 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9293 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9295 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9296 Jakub Jelinek <jakub@redhat.com>
9298 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9299 IBM extended float format long double as "g" on powerpc*-linux.
9301 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9304 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9305 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9307 2006-02-03 Jason Merrill <jason@redhat.com>
9310 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9313 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9314 on the return slot if it's an NRV.
9316 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9318 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9319 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9320 rewrite_use): Do not handle USE_OUTER.
9321 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9322 add_iv_outer_candidates, may_replace_final_value,
9323 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9324 (find_interesting_uses_op): Functionality of
9325 find_interesting_uses_outer_or_nonlin moved here.
9326 (find_interesting_uses_outside): Use find_interesting_uses_op.
9328 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9331 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9333 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9334 Ulrich Weigand <uweigand@de.ibm.com>
9337 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9338 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9339 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9340 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9342 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9343 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9344 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9345 Define secondary reloads for TFmode moves.
9346 (constant_modes): Add TFmode.
9347 (NR_C_MODES): Set to 8.
9348 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9350 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9351 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9352 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9353 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9354 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9355 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9356 (FPR mode macro): Add TFmode.
9357 (DSF mode macro): New.
9358 (<de>, <dee> mode attributes): Removed.
9359 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9360 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9361 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9362 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9363 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9364 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9365 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9366 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9367 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9368 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9369 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9370 "*negabs<mode>2", "sqrt<mode>2"):
9371 Changed <de> to <xde>. R constraint replaced by <Rf>.
9372 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9374 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9375 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9376 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9378 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9379 "extenddftf2", "extendsftf2"): New expanders.
9380 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9381 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9382 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9383 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9385 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9386 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9387 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9388 __floatditf): Add a GCC_4.1.0 symbol version tag.
9389 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9392 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9395 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9396 Use targetm.binds_local_p instead of TREE_PUBLIC.
9398 2006-02-02 Roger Sayle <roger@eyesopen.com>
9400 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9401 on INTEGER_TYPEs to indicate that it denotes a character type.
9402 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9403 signed_char_type_node, unsigned_char_type_node and char_type_node.
9404 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9405 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9406 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9408 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9409 Daniel Berlin <dberlin@dberlin.org>
9411 * tree-tailcall.c (arg_needs_copy_p): New function.
9412 (eliminate_tail_call): Use arg_needs_copy_p.
9413 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9414 (add_virtual_phis): New function.
9416 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9418 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9419 #ignore instead of #scratch for %g7 .register directive.
9421 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9423 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9426 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9428 * flow.c (calculate_global_regs_live): Assert that there aren't any
9431 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9433 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9435 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9436 bsi_after_labels iterator.
9437 * tree-if-conv.c (find_phi_replacement_condition,
9438 replace_phi_with_cond_modify_expr): Likewise.
9439 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9440 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9442 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9444 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9446 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9449 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9450 array after growing it.
9452 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9455 * fold-const.c (fold_checksum_tree): Change type of buf.
9457 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9459 * reload.c (push_secondary_reload): Initialize t_icode.
9461 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9463 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9464 -msoft-float -mlong-double-128 only issue a warning, but don't
9465 swich to DFmode long double.
9467 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9469 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9470 has a constant equivalent, iterate over equivalents for arg0,
9471 calling simplify_relational_operation and if there's a result
9472 cheaper than X, apply fold_rtx and return the result.
9474 2006-02-01 Jan Hubicka <jh@suse.cz>
9476 * opts.c (no_unit_at_a_time_default): New global variable.
9477 (decode_options): Use it.
9478 * opts.h (no_unit_at_a_time_default): Declare.
9480 2006-02-01 Paul Brook <paul@codesourcery.com>
9482 * function.c (assign_parm_setup_reg): Use function argument promotion
9484 * expr.c (expand_expr_real_1): Use function argument promotion rules
9487 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9489 * gcc.c (process_command): Change j to 'unsigned int'.
9491 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9494 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9495 Use the corrected index for the character
9496 out of the string constant.
9498 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9500 * mode-switching.c (optimize_mode_switching): Fix size
9501 allocated for bb_info[n_entities].
9503 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9505 * gcc.c (main): Correct type that is allocated for
9506 explicit_link_files.
9508 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9510 * config/s390/s390.c (init_alignment_context): Set
9511 ALIAS_SET_MEMORY_BARRIER on the MEM.
9512 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9514 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9517 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9519 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9522 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9524 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9525 * regrename.c: Ditto.
9526 * tree-ssa-loop-im.c: Ditto.
9527 * tree-dump.c: Ditto.
9528 * tree-complex.c: Ditto.
9529 * genrecog.c: Ditto.
9530 * tree-ssa-threadupdate.c: Ditto.
9532 * java/class.c: Ditto.
9533 * java/jcf-parse.c: Ditto.
9534 * java/resource.c: Ditto.
9535 * java/except.c: Ditto.
9536 * java/jvspec.c: Ditto.
9537 * java/jcf-write.c: Ditto.
9538 * java/jcf-path.c: Ditto.
9539 * java/gjavah.c: Ditto.
9540 * java/zextract.c: Ditto.
9541 * java/jcf-io.c: Ditto.
9542 * java/jcf.h: Ditto.
9543 * java/buffer.c: Ditto.
9544 * java/lang.c: Ditto.
9545 * java/parse-scan.y: Ditto.
9546 * java/lex.c: Ditto.
9547 * java/lex.h: Ditto.
9548 * cfgloopmanip.c: Ditto.
9549 * postreload-gcse.c: Ditto.
9550 * tree-ssa-loop-manip.c: Ditto.
9551 * postreload.c: Ditto.
9552 * tree-ssa-loop-ch.c: Ditto.
9556 * diagnostic.c: Ditto.
9558 * genoutput.c: Ditto.
9560 * cfghooks.c: Ditto.
9561 * cfgloopanal.c: Ditto.
9562 * objc/objc-act.c: Ditto.
9564 * genextract.c: Ditto.
9565 * genautomata.c: Ditto.
9566 * pretty-print.c: Ditto.
9568 * cgraphunit.c: Ditto.
9571 * haifa-sched.c: Ditto.
9572 * dominance.c: Ditto.
9574 * tree-ssa-loop-ivopts.c: Ditto.
9576 * mode-switching.c: Ditto.
9577 * modulo-sched.c: Ditto.
9579 * ipa-pure-const.c: Ditto.
9581 * fix-header.c: Ditto.
9583 * tree-stdarg.c: Ditto.
9584 * ipa-utils.c: Ditto.
9585 * loop-init.c: Ditto.
9586 * ipa-inline.c: Ditto.
9589 * alloc-pool.c: Ditto.
9590 * dwarf2out.c: Ditto.
9592 * genattrtab.c: Ditto.
9593 * tree-ssa-loop-ivcanon.c: Ditto.
9597 * fortran/gfortranspec.c: Ditto.
9599 * local-alloc.c: Ditto.
9600 * langhooks.c: Ditto.
9601 * function.c: Ditto.
9602 * tree-vectorizer.c: Ditto.
9604 * ipa-type-escape.c: Ditto.
9606 * tree-if-conv.c: Ditto.
9609 * tree-data-ref.c: Ditto.
9610 * loop-unroll.c: Ditto.
9611 * treelang/treetree.c: Ditto.
9614 * ggc-common.c: Ditto.
9616 * coverage.c: Ditto.
9618 * tree-cfgcleanup.c: Ditto.
9619 * tree-ssa-pre.c: Ditto.
9620 * cfgcleanup.c: Ditto.
9621 * loop-invariant.c: Ditto.
9623 * ipa-prop.c: Ditto.
9624 * print-tree.c: Ditto.
9625 * conflict.c: Ditto.
9626 * ggc-page.c: Ditto.
9627 * sched-deps.c: Ditto.
9628 * regclass.c: Ditto.
9629 * tree-object-size.c: Ditto.
9631 * bb-reorder.c: Ditto.
9632 * resource.c: Ditto.
9633 * var-tracking.c: Ditto.
9635 * df-problems.c: Ditto.
9636 * reg-stack.c: Ditto.
9639 * sched-rgn.c: Ditto.
9640 * tree-ssa-structalias.c: Ditto.
9641 * tree-ssa-reassoc.c: Ditto.
9642 * config/darwin-c.c: Ditto.
9643 * config/darwin.c: Ditto.
9644 * config/arm/arm.c: Ditto.
9646 * collect2.c: Ditto.
9649 2006-01-31 Nicolas Pitre <nico@cam.org>
9651 * arm.md (smaxsi3): Make aware of smax_m1.
9654 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9656 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9658 2006-01-31 Richard Guenther <rguenther@suse.de>
9660 * doc/invoke.texi (-msselibm): Document.
9661 * target.h (expand_library_builtin): New target hook.
9662 * builtins.c (expand_builtin): Use expand_library_builtin.
9663 (default_expand_library_builtin): New function.
9664 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9665 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9666 (link_gcc_math_spec): Declare.
9667 (static_specs): Add link_gcc_math_spec.
9668 * expr.h (default_expand_library_builtin): Declare.
9669 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9670 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9671 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9672 * config/i386/i386.opt (msselibm): New target option.
9673 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9674 (ix86_init_sse_abi_builtins): New function.
9675 (ix86_expand_library_builtin): Likewise.
9676 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9677 (override_options): Handle error conditions wrt -msselibm.
9678 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9679 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9680 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9683 2006-01-31 Richard Guenther <rguenther@suse.de>
9684 Paolo Bonzini <bonzini@gnu.org>
9686 * doc/install.texi (--disable-libgcc-math): Document.
9688 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9690 * expr.h (expand_normal): new inline function.
9691 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9693 * dwarf2out.c: use it.
9698 * config/sparc/sparc.c: use it.
9699 * config/i386/i386.c: use it.
9700 * config/rs6000/rs6000.c: use it.
9701 * config/arm/arm.c: use it.
9702 * config/mips/mips.c: use it.
9703 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9705 2006-01-30 Roger Sayle <roger@eyesopen.com>
9707 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9708 argv to the appropriate type.
9710 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9712 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9715 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9718 * config/s390/s390.c (struct machine_function): New flag
9719 decomposed_literal_pool_addresses_ok_p.
9720 (s390_reorg): Set it before final stage of literal pool transforms.
9721 (s390_decompose_address): Only accept displacements of the form
9722 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9724 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9726 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9727 the comparison routine return.
9729 2006-01-30 Michael Matz <matz@suse.de>
9731 * global.c (find_reg): Only evict for global regs.
9732 Take n_refs into account and dump more info.
9734 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9737 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9738 (pragma_trap, pragma_nosave_low_regs): Likewise.
9739 (current_function_anonymous_args): Likewise.
9740 (sh_deferred_function_attributes): New variable.
9741 (sh_deferred_function_attributes_tail): Likewise.
9742 (print_operand): For '@', look up trap_exit attribute.
9743 (calc_live_regs): Look up trapa_handler attribute. For trapa
9744 handlers, save/restore fpscr, but don't do any other
9745 interrupt-specific saves.
9746 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9747 Fix check for partially saved registers to check for SHmedia.
9748 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9749 (sh_output_function_epilogue): Don't clear any of the removed
9751 (sh_insert_attributes): Don't check pragma_interrupt.
9752 Insert deferred attributes. Check that interrupt attribute is
9753 present for other attributes that require its presence.
9754 (sh_attribute_table): Add new attributes trapa_handler and
9756 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9757 Don't check for pragma_interrupt. Don't store argument.
9758 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9759 (sh_deferred_function_attributes): Declare.
9760 (sh_deferred_function_attributes_tail): Likewise.
9761 * sh.md (sp_switch_1): Add operand. Change generator caller.
9762 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9763 (*return_i): Don't use when trap_exit attribute is in effect.
9764 (*return_trapa): New insn pattern.
9766 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9767 setting c_target_objs and cxx_target_objs.
9768 * t-sh: Add rule for sh-c.o.
9770 2006-01-30 Richard Guenther <rguenther@suse.de>
9773 * gimplify.c (gimplify_target_expr): Handle easy cases
9774 without creating a temporary.
9776 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9778 * vec.h (safe_grow): Remove duplicated line.
9780 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9783 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9784 (expand_omp): ... here.
9785 (expand_omp_parallel): Only remove barriers for combined
9786 parallel+workshare constructs.
9788 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9792 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9793 * tree.c (build_qualified_type): Chain the new type to the original
9794 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9795 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9796 (build_pointer_type_for_mode): Only return unqualified types.
9797 (build_reference_type_for_mode): Likewise.
9799 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9801 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9802 * Makefile.in (CXX_COMPAT_WARN): Define.
9803 * configure: Regenerate.
9805 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9808 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9811 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9813 * toplev.c: Fix thinko.
9815 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9816 Marcin Dalecki <martin@dalecki.de>
9818 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9819 (push_srcloc): Use XNEW.
9820 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9822 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9824 * df-core.c (df_set_blocks): Deleted all variable.
9826 2006-01-28 Ian Lance Taylor <ian@airs.com>
9828 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9829 cgraph_output_pending_asms.
9831 2006-01-28 Zack Weinberg <zackw@panix.com>
9833 * c.opt: Add -W(no-)overlength-strings.
9834 * doc/invoke.texi: Document it.
9835 * c-opts.c (c_common_handle_option): -pedantic implies
9836 -Woverlength-strings, if not explicitly disabled already.
9837 (c_common_post_options): -Woverlength-strings defaults to off, and
9838 is always off for C++.
9839 * c-common.c (fix_string_type): Issue warning about strings longer
9840 than is portable only if warn_overlength_strings. Rearrange code
9841 a little for clarity.
9842 * configure.in: Check for -Wno-overlength-strings as well before
9843 enabling -pedantic in stage 1.
9844 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9845 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9847 * genconditions.c (write_header, write_one_condition)
9848 (write_conditions, write_writer): Consolidate very long strings
9849 that were broken up to fit in C89 portable limit. Don't use
9850 printf when fputs will do.
9852 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9854 * combine.c (simplify_comparison <AND>): Check
9855 TRULY_NOOP_TRUNCATION before start using a subreg.
9857 * config/mips/mips.md (*branch_zero<mode>,
9858 *branch_zero<mode>_inverted, *branch_equality<mode>,
9859 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9860 Remove mode check from comparisons.
9862 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9864 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9866 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9868 * expmed.c (const_mult_add_overflow_p): Remove.
9869 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9871 * recog.c (validate_replace_rtx_subexp): Remove.
9872 * recog.h: Remove the prototype for
9873 validate_replace_rtx_subexp.
9875 * integrate.h: Remove the prototype for
9876 copy_decl_for_inlining.
9877 * rtl.h: Remove the prototype for mark_constant_function.
9878 * tree-vectorizer.h: Remove the prototype for
9879 vect_strip_conversion.
9881 * modulo-sched.c (create_partial_schedule,
9882 free_partial_schedule, reset_partial_schedule): Make them
9885 * hooks.c (hook_bool_rtx_int_false): Remove.
9886 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9888 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9890 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9891 and -mlong-double-128 are incompatible.
9892 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9893 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9894 (TARGET_LIBGCC2_CFLAGS): Define.
9895 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9896 (TARGET_LIBGCC2_CFLAGS): Same.
9897 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9899 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9902 * c-typeck.c (build_binary_op): Perform implicit casts of
9903 operands before shortening them.
9905 * cfgloopmanip.c (split_loop_bb): Remove.
9906 * cfgloop.h: Remove the prototype for split_loop_bb.
9908 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9909 * cfgloop.h: Remove the prototype for
9910 flow_loop_outside_edge_p.
9912 * emit-rtl.c (init_virtual_regs): Make it static.
9913 * function.h: Remove the prototype for init_virtual_regs.
9915 * recog.c (peephole2_optimize): Make it static.
9916 * recog.h: Remove the prototype for peephole2_optimize.
9918 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9920 * df-scan.c (df_record_entry_block_defs): Check if
9921 INCOMING_RETURN_ADDR_RTX is defined.
9923 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9924 Kenneth Zadeck <zadeck@naturalbridge.com>
9926 PR rtl-optimization/24762
9927 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9928 * targhooks.c (hook_void_bitmap): New hook prototype.
9929 * targhoohs.h (hook_void_bitmap): Ditto.
9930 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9931 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9932 * target.h (live_on_entry): New function pointer.
9933 * df-scan.c (df_all_hard_regs): Removed.
9934 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9935 (df_scan_free_internal): Added df->entry_block_defs.
9936 (df_scan_alloc): Ditto.
9937 (df_scan_dump): Ditto.
9938 (df_uses_record): Plumbed flag field properly thru calls.
9939 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9940 This part fixes PR24762.
9941 (df_bb_refs_record): Added code to make the frame and arg
9942 pointers live in EH blocks.
9943 (df_refs_record): Added call to df_record_entry_block_defs.
9944 (df_record_entry_block_defs): New function.
9945 * df-core.c: Added comments to describe new artifical defs.
9946 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9947 (entry_block_defs): New field in struct df.
9948 (df_all_hard_regs): Deleted.
9949 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9950 * df-problems.c (df_ru_bb_local_compute_process_def):
9951 Added code to handle artifical defs in the entry to a function.
9952 (df_ru_bb_local_compute): Ditto.
9953 (df_rd_bb_local_compute_process_def): Ditto.
9954 (df_rd_bb_local_compute): Ditto.
9955 (df_lr_bb_local_compute): Ditto.
9956 (df_ur_bb_local_compute): Ditto.
9957 (df_urec_bb_local_compute): Ditto.
9958 (df_chain_create_bb): Ditto.
9959 (df_ur_local_finalize): Removed entry.
9960 (df_urec_init): Ditto.
9961 (df_urec_local_finalize): Ditto.
9962 (df_ri_bb_compute): Added detection of last use of pseudos.
9963 * Makefile.in (df-scan.o): Updated dependencies.
9964 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9965 * config/mips/mips.c (mips_set_live_on_entry): Added.
9966 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9968 * dce.c (marked_insn_p): Added code to handle artifical defs.
9970 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9972 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9974 (_mm_cvtsi128_si64): Likewise.
9975 (_mm_cvtsd_si64): Likewise.
9976 (_mm_cvttsd_si64): Likewise.
9977 (_mm_cvtsi64_sd): Likewise.
9978 (_mm_cvtsi64_si128): Likewise.
9979 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9980 (_mm_cvtsi64_m64): Likewise.
9981 (_m_to_int64): Likewise.
9982 (_mm_cvtm64_si64): Likewise.
9983 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9984 (_mm_cvttss_si64): Likewise.
9985 (_mm_cvtsi64_ss): Likewise.
9986 (_mm_cvtss_f32): Likewise.
9988 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9990 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9991 for pragma redefine_extname.
9993 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9996 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9997 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9998 -mno-minimal-toc to previous content.
9999 (bispecs): Remove goal.
10000 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10001 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10002 compatibility aliases on powerpc-*-*gnu*.
10003 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10004 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10005 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10006 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10007 (ldblspecs): New goal.
10008 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10009 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10011 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10012 L_sf_to_tf or L_df_to_tf is defined.
10014 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10015 Alan Modra <amodra@bigpond.net.au>
10018 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10019 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10020 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10021 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10022 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10023 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10024 (rs6000_override_options): Initialize rs6000_ieeequad.
10025 Initialize TFmode format to ibm_extended_format if not
10027 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10029 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10030 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10031 (function_arg_advance): IBM long double passed in two FPRs, not
10033 (function_arg): IBM long double passed in FPRs.
10034 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10035 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10036 Only multireg GPR aligned.
10037 (rs6000_init_libfuncs): Enable IBM long double functions if not
10039 (rs6000_generate_compare): Use IBM long double compare if not
10041 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10042 (TARGET_IEEEQUAD): Define.
10043 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10044 not TARGET_IEEEQUAD.
10045 * config/rs6000/rs6000.md: Enable TFmode patterns if
10047 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10048 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10049 and -mlong-double-128 are incompatible.
10050 * doc/invoke.texi (-mabi): Collect options together. Add
10051 ibmlongdouble and ieeelongdouble.
10053 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10055 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10057 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10058 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10059 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10060 * rtl.h (rtunion_def): Remove rt_ptr.
10062 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10063 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10064 * config/i386/winnt.c (i386_pe_mark_dllexport)
10065 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10067 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10069 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10071 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10075 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10076 pthread_key_delete. From John David Anglin. gthrw-ify
10077 pthread_getunique_np only if it it's not a macro. Delete
10079 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10080 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10081 __gthread_objc_condition_signal, __gthread_key_delete): Add
10082 "__attribute__ ((__unused__))" to unused arguments.
10083 (__gthread_recursive_mutex_init_function): Add missing return.
10084 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10085 gthr-posix95.h: Use macro-based approach for name redirection
10086 on targets missing weakref.
10088 2006-01-26 Zack Weinberg <zackw@panix.com>
10090 * genconditions.c (write_header): In generated code, #ifdef out
10091 all includes and fake declarations, except includes of bconfig.h
10092 and system.h, unless GCC_VERSION >= 3001. Do not include
10093 gensupport.h in any case.
10094 (write_conditions): Generate a definition of struct c_test. Add
10095 a comment to the generated #endif.
10096 (write_one_condition): Escape backslashes in string too.
10097 (write_writer): Generated code must escape backslashes and quote
10098 marks (but not newlines) in the strings it writes.
10099 * Makefile.in (build/gencondmd.o): Update dependencies.
10101 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10104 * Makefile.in (insn-automata.o): Add header file dependencies.
10105 * genautomata.c: Add includes.
10107 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10110 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10112 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10114 * configure.ac: Expect target tools paths to be passed from the toplevel
10115 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10117 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10119 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10122 * c.opt (Wpointer-sign): Init to -1.
10123 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10124 OPT_pedantic, to 0 otherwise.
10125 * doc/invoke.texi: Update.
10127 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10129 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10130 constants provided by 80387 instructions in the destination mode.
10132 2006-01-26 Richard Guenther <rguenther@suse.de>
10133 Andrew Pinski <pinskia@physics.uc.edu>
10136 partial PR tree-opt/17064
10137 * tree-ssa-structalias.c (intra_create_variable_infos):
10138 Create heap variables for incoming parameters if
10139 flag_argument_noalias > 1.
10140 (find_what_p_points_to): Look through default defs of
10143 2006-01-26 Jeff Law <law@redhat.com>
10146 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10147 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10148 within the VR_RANGE, use the VR_RANGE as the result, not the
10150 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10151 bounds for the type.
10153 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10155 * tree-ssa-alias.c (maybe_create_global_var): Change
10156 subvar walking to an assertion that we don't have subvar'd variables.
10158 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10161 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10162 Use a new variable, inner. PARM_DECLs are always non-weak.
10164 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10166 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10167 --disable-checking.
10169 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10171 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10173 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10175 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10176 (smax_insn, smin_insn, smax_0, smin_0): New.
10178 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10181 * config/cris/cris.c (cris_order_for_addsi3): New function.
10182 * config/cris/cris-protos.h: Prototype it.
10183 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10184 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10185 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10186 (split for "op.S1 [rx=rx+i],ry (swapped)")
10187 (split for "op(s|u).S1 [rx=rx+i],ry")
10188 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10189 Apply cris_order_for_addsi3 when generating addsi3 insns.
10191 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10193 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10194 (TREE_BLOCK): Add call to EXPR_CHECK.
10196 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10199 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10200 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10201 (dump_omp_clauses): ... here.
10202 (dump_generic_node): Handle OMP_CLAUSE.
10203 * tree.c (omp_clause_num_ops): New.
10204 (omp_clause_code_name): New.
10205 (tree_code_size): Handle OMP_CLAUSE.
10206 (tree_size): Likewise.
10207 (make_node): Document handling of OMP_CLAUSE.
10208 (tree_node_structure): Handle OMP_CLAUSE.
10209 (omp_clause_check_failed): New.
10210 (omp_clause_range_check_failed): New.
10211 (omp_clause_operand_check_failed): New.
10212 (build_omp_clause): New.
10213 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10214 * tree.h (enum omp_clause_code): Declare.
10215 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10216 (OMP_CLAUSE_RANGE_CHECK): Define.
10217 (OMP_CLAUSE_ELT_CHECK): Define.
10218 (omp_clause_check_failed): Declare.
10219 (omp_clause_operand_check_failed): Declare.
10220 (omp_clause_range_check_failed): Declare.
10221 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10222 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10223 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10224 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10225 (OMP_CLAUSE_IF_EXPR): Likewise.
10226 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10227 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10228 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10229 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10230 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10231 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10232 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10233 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10234 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10235 (OMP_CLAUSE_CODE): Define.
10236 (OMP_CLAUSE_SET_CODE): Define.
10237 (OMP_CLAUSE_CODE): Define.
10238 (OMP_CLAUSE_OPERAND): Define.
10239 (struct tree_omp_clause): Declare.
10240 (union tree_node): Add field 'omp_clause'.
10241 * treestruct.def (TS_OMP_CLAUSE): Define.
10242 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10243 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10244 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10245 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10246 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10247 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10248 (OMP_CLAUSE): Define.
10249 * print-tree.c (print_node): Handle OMP_CLAUSE.
10250 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10251 * c-typeck.c: Likewise.
10252 * gimplify.c: Likewise.
10253 * c-omp.c: Likewise.
10254 * tree-nested.c: Likewise.
10255 * tree-inline.c: Likewise.
10256 * c-parser.c: Likewise.
10257 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10260 2006-01-25 Roger Sayle <roger@eyesopen.com>
10262 PR rtl-optimization/25703
10263 * combine.c (try_combine): Handle zero_extract and strict_low_part
10264 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10266 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10268 * global.c: Fix comment typos.
10270 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10273 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10274 Use output_addr_const instead of assemble_name.
10276 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10278 * Makefile.in (sched-vis.o): Update dependencies.
10279 * haifa-sched.c (sched_finish): Clear current_sched_info.
10280 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10281 (dump_flow_info): Call it.
10282 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10284 * basic-block.h (dump_bb_info): Declare.
10285 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10286 option, and apply options only for dump files whose TDF_RTL,
10287 TDF_TREE, or TDF_IPA bits match.
10288 * rtl.h: Declare new functions exported from sched-vis.c.
10289 * sched-vis.c: Enable also if scheduling is not used.
10290 (print_value): Print the mode of registers if not inside scheduling.
10291 (print_insn): Make it work outside the scheduler. Beautify the output
10293 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10295 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10297 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10298 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10299 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10300 depending on the value of CONSTANT_POOL_ADDRESS_P.
10301 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10303 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10304 rather than SYMBOL_REF_DECL.
10305 (rtx_constant_pool): Remove const_rtx_sym_htab.
10306 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10307 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10308 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10309 Remove handling of const_rtx_sym_htab.
10310 (find_pool_constant): Delete.
10311 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10312 rather than find_pool_constant.
10313 (get_pool_constant_for_function): Delete.
10314 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10315 find_pool_constant.
10316 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10317 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10318 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10319 (SYMBOL_REF_CONSTANT): New macro.
10320 (get_pool_constant_for_function): Delete.
10321 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10322 rather than SYMBOL_REF_DECL.
10323 (i386_pe_mark_dllimport): Likewise.
10324 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10325 rather than SYMBOL_REF_DECL.
10326 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10327 (machopic_indirect_call_target): Likewise.
10329 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10331 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10333 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10335 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10337 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10339 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10341 2006-01-24 David Daney <ddaney@avtrex.com>
10344 * configure.ac (enable_tls): New enable option.
10345 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10346 * configure: Regenerate.
10347 * doc/install.texi (--enable-tls): Document new option.
10348 (--disable-tls): Ditto.
10350 2006-01-24 Richard Henderson <rth@redehat.com>
10352 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10353 * alias.c (true_dependence): Respect it.
10354 (canon_true_dependence, write_dependence_p): Likewise.
10355 * builtins.c (get_builtin_sync_mem): Set it.
10357 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10359 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10362 2006-01-24 DJ Delorie <dj@redhat.com>
10364 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10365 for storing constants in single-bit bitfields.
10367 2006-01-25 Ben Elliston <bje@au.ibm.com>
10369 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10371 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10374 * tree-ssa-pre.c (phi_translate): Return NULL
10375 for AGGREGATE_TYPE's.
10377 2006-01-24 Zack Weinberg <zackw@panix.com>
10379 * genautomata.c (process_state_for_insn_equiv_partition):
10380 Use xcalloc for insn_arcs_array.
10381 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10382 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10384 2006-01-24 Richard Henderson <rth@redhat.com>
10386 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10387 update all callers.
10389 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10391 PR rtl-optimization/25890
10392 PR rtl-optimization/25905
10393 * combine.c (expand_compound_operation, expand_field_assignment):
10394 Fail if the bitfield's final position is out of bounds.
10396 2006-01-24 Ian Lance Taylor <ian@airs.com>
10398 PR middle-end/25930
10399 * cgraphunit.c (cgraph_output_in_order): Don't clear
10400 cgraph_asm_nodes until after asm strings have been output.
10402 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10404 * fix-header.c (read_scan_file): Add new parameter imultilib when
10405 calling register_include_chains.
10407 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10409 * omp-low.c: Update documentation.
10411 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10412 Daniel Berlin <dberlin@dberlin.org>
10416 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10417 return from the function.
10419 2006-01-22 Zack Weinberg <zackw@panix.com>
10421 * rtl.def (match_code): Add second argument.
10422 * genpreds.c (write_extract_subexp): New function.
10423 (write_match_code): Add path argument. Use write_extract_subexp.
10424 (write_predicate_expr): Pass path to write_match_code.
10425 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10426 not perform a mode test.
10427 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10428 a subexpression does not constrain the top-level code set.
10429 * read-rtl.c (read_rtx_variadic): New function.
10430 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10431 * doc/md.texi: Document new notation.
10432 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10433 (cmpsi_operand): ... here, using new notation.
10435 2006-01-22 Zack Weinberg <zackw@panix.com>
10437 * varray.c: Remove GENERATOR_FILE #ifdefs.
10439 2006-01-22 Zack Weinberg <zackw@panix.com>
10441 * genautomata.c (output_reserved_units_table): Emit nothing if
10442 description->query_units_num is zero. Remove extra blank line.
10443 (output_cpu_unit_reservation_p): Short circuit
10444 if description->query_units_num is zero.
10446 2006-01-22 Zack Weinberg <zackw@panix.com>
10448 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10449 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10450 nor any of the random handful of variables that used to be necessary
10451 when this program was linked with rtlanal.o. Prune set of forward
10452 function declarations.
10453 (struct attr_desc): Remove static_p field.
10454 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10455 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10456 (attr_string): Do not read the character one past the length of
10458 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10459 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10460 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10461 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10462 (make_automaton_attrs): New.
10463 (main): Do not call into genautomata. Call local gen_bypass
10464 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10465 Remove special case for insn_alts.
10466 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10467 varray.h (leftover from previous change). Prune set of forward
10468 function declarations. Remove state_alts fields from all
10469 structures. Remove state_alts_table from struct automaton.
10470 Make everything except main static. Do not maintain num_dfa_decls.
10471 Do not maintain state_alts fields of various structures.
10472 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10473 (add_arc): Remove state_alts argument. All callers updated.
10474 (output_reserved_units_table): Emit #ifdef here...
10475 (output_tables): ...not here. Don't generate state_alts tables.
10476 (expand_automata): Don't generate attributes.
10477 (write_automata): Don't generate state_alts functions.
10478 (main): New function.
10479 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10480 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10481 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10482 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10483 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10484 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10485 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10486 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10488 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10489 * genattrtab.h: Delete file.
10490 * Makefile.in (OBJS-common): Add insn-automata.o.
10491 (insn-automata.o): New rule.
10492 (simple_generated_c): Add insn-automata.c.
10493 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10494 (genprogmd): Add automata.
10495 (build/genattrtab): Needs no extra objects nor libraries.
10496 (build/genautomata): Needs build/vec.o and -lm.
10498 2006-01-22 Zack Weinberg <zackw@panix.com>
10500 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10501 (output_dfa_max_issue_rate, locked_states_num): Delete.
10502 (struct automaton): Add locked_states field.
10503 (output_dead_lock_vect): Save number of locked states in
10504 automaton->locked_states. If it is zero, don't print anything.
10505 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10506 (output_internal_dead_lock_func): Only test the dead_lock_vect
10507 for automata that have locked states.
10508 (output_statistics): Always print the number of locked states for
10509 each automaton. Calculate total number of locked states here.
10510 (write_automata): Don't call output_dfa_max_issue_rate.
10511 * genattrtab.c: Define length_unit_log as a const variable.
10512 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10513 max_insn_queue_index const.
10514 * final.c (length_unit_log): Declare const.
10515 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10517 2006-01-22 Zack Weinberg <zackw@panix.com>
10519 * genautomata.c: Include vec.h, not varray.h.
10520 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10521 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10522 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10523 VEC_* macros operating on appropriately typed vectors, or to
10524 malloced arrays when the size is known in advance. Const-ify
10525 many char* variables and function arguments. No functional changes.
10526 * Makefile.in (build/varray.o): Delete rule.
10527 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10528 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10530 2006-01-22 Zack Weinberg <zackw@panix.com>
10532 * gensupport.c: Define get_insn_name and record_insn_name here.
10533 (read_md_rtx): Call record_insn_name as appropriate.
10534 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10535 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10536 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10538 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10539 (BUILD_VARRAY): Delete.
10540 (genprognormal): Rename genprogmd. Fold in all programs from
10541 genprognoprint; also attrtab.
10542 (build/genattrtab): Just mention genautomata.o and varray.o.
10543 Reorganize a bit, add comments to make the categories clearer.
10545 2006-01-22 Zack Weinberg <zackw@panix.com>
10547 * genconditions.c (condition_table, add_condition): Delete.
10548 (write_conditions): Don't emit n_insn_conditions nor
10549 insn_elision_unavailable. Issue the gcc version #ifdef here,
10550 inside the table, with no #else clause ...
10551 (write_header): ...not here.
10552 (write_writer): New function.
10553 (main): Don't initialize condition_table. Use add_c_test.
10555 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10556 files on the command line.
10557 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10558 Return -1 if there is no entry in the table, don't abort.
10559 (add_c_test, traverse_c_tests): New functions.
10560 * gensupport.h (insn_elision_unavailable, insn_conditions)
10561 (n_insn_conditions): Delete declarations.
10562 (add_c_test, traverse_c_tests): Declare.
10563 * read-rtl.c: Include gensupport.h.
10564 (read_conditions): New function.
10565 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10566 (read_rtx_1): If we get EOF when we were looking for an initial
10567 open paren, return 0. Call read_conditions when appropriate.
10568 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10569 dummy-conditions.o. Eliminate references to insn-conditions.o,
10570 or change them to build/gencondmd.o, as appropriate. Remove
10571 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10572 from $(simple_generated_c). For all files remaining in those
10573 two lists, add insn-conditions.md to the generator command line.
10574 Give insn-constants.h/s-constants their own rules. Add rules
10575 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10576 (build/read-rtl.o): Depend on gensupport.h.
10577 (genprognormal): Include preds.
10578 (genprogearly): Rename genprognoprint; only difference is now that
10579 they don't link with $(BUILD_PRINT).
10580 * dummy-conditions.c: Delete.
10582 2006-01-22 Zack Weinberg <zackw@panix.com>
10584 * genextract.c: Don't include insn-config.h. Do include vec.h.
10585 Declare vectors of int, char, and locstr.
10586 (locstr): New typedef.
10587 (struct extraction): Make all array fields into bare pointers.
10588 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10589 (insn_code_number): Delete.
10590 (accum_extract): New struct.
10591 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10592 (gen_insn): Take insn_code_number as an argument. Use an
10593 accum_extract structure instead of loading data directly into
10594 a struct extraction, and having to know how big it might get.
10595 (walk_rtx): Operate entirely on an accum_extract structure.
10596 (print_path): Avoid unnecessary use of printf.
10597 (print_header): New function, split out of main. Distinguish
10598 more carefully between an unrecognizable insn and an insn that
10599 has the code number of a define_expand.
10600 (main): Pass insn_code_number to gen_insn. Call print_header
10601 only after parsing. Avoid unnecessary use of printf.
10602 * Makefile.in (build/vec.o): New rule.
10603 (build/genextract): Depend on build/vec.o.
10604 (build/genextract.o): Don't depend on insn-config.h.
10606 2006-01-22 Zack Weinberg <zackw@panix.com>
10608 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10609 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10610 practical. Eliminate per-generator-program link rules.
10612 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10614 PR middle-end/24437
10615 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10616 with a call expr to ...
10617 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10619 2006-01-23 Richard Guenther <rguenther@suse.de>
10621 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10622 before make_edge with conditional EDGE_TRUE_VALUE.
10624 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10625 Jan Hubicka <jh@suse.cz>
10626 Richard Guenther <rguenther@suse.de>
10628 PR rtl-optimization/25654
10629 * cfgexpand.c (aggregate_contains_union_type): New function.
10630 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10631 for structure variables that contain a union type.
10633 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10635 * gengtype.c (new_structure): Return the structure.
10636 (create_option): Add an extra "next" argument.
10637 (create_field): New function.
10638 (adjust_field_rtx_def): Use create_option and create_field.
10639 Remove a now-unnecessary call to find_structure.
10640 (adjust_field_tree_def): Likewise.
10641 (note_yacc_type): Remove an unnecessary call to find_structure.
10642 * gengtype.h (new_structure): Return the structure.
10643 (create_option): Add an extra argument.
10644 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10645 (option): Adjust calls to create_option.
10647 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10649 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10651 2006-01-22 Paul Brook <paul@codesourcery.com>
10652 Peter Barada <peter@the-baradas.com>
10654 * config/m68k/m68k.md: Add Coldfire FPU support.
10655 Define FP mode macro and associated attributes.
10656 Use it for float mode patterns.
10657 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10658 (LIBCALL_VALUE): Use m68k_libcall_value.
10659 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10660 (m68k_function_value): Ditto.
10661 (emit_move_sequence): Ditto.
10662 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10663 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10664 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10665 (MULTILIB_EXCEPTIONS): Ditto.
10666 * config/m68k/m68k.opt: Add mcfv4e.
10667 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10668 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10669 (m68k_output_function_prologue): Save ColdFire FPU registers.
10670 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10671 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10672 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10673 ColdFire FPU registers.
10674 (m68k_libcall_value, m68k_function_value): New functions.
10675 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10676 (LIBCALL_VALUE): Use m68k_libcall_value.
10677 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10678 (MASK_COLDFIRE): Add MASK_CFV4E.
10679 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10680 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10681 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10682 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10683 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10684 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10685 * doc/invoke.tex: Document -mcfv4e on m68k.
10687 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10689 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10692 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10695 * c-opts.c (c_common_handle_option): Don't include
10696 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10697 * doc/invoke.texi (C++ Dialect Options): Document that
10698 -Wnon-virtual-dtor is no longer included in -Wall.
10700 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10702 * gcov.c (print_version), gcov-dump.c (print_version),
10703 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10706 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10708 * df-scan.c (problem_SCAN): Added NULL reset function.
10709 (df_scan_reset_blocks): Added code to call reset block function
10710 (df_bb_refs_delete) Fixed comment.
10711 (df_insn_refs_delete): Made tolerant of deleting non existent info
10712 for dataflow problems that need to be reset.
10713 * df-core.c (df_set_blocks): Ditto.
10714 * df.h (struct df_problem): Added reset_fun.
10715 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10716 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10717 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10718 functions to clear out all references to def-use or use-def chains.
10720 2006-01-21 Ben Elliston <bje@au.ibm.com>
10722 * varasm.c (assemble_real): Initialise data array.
10724 2006-01-20 Paul Brook <paul@codesourcery.com>
10726 Merge from csl-arm-branch.
10727 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10728 * config/arm/arm.md (movdi): Force operands[1] to a register
10729 if we have a non-register source.
10730 (*arm_movdi, *movdf_soft_insn): Require that one of the
10731 operands be a register.
10732 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10733 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10735 2006-01-20 DJ Delorie <dj@redhat.com>
10737 * varasm.c (initializer_constant_valid_p): Allow pointers
10738 initialized from integer constants of lesser precision.
10739 (output_constant): Allow non-int-sized pointer modes to be
10740 initialized from integer constants.
10742 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10745 * cppdefault.h (struct default_include): Add multilib flag.
10746 * cppdefault.c (cpp_include_defaults): Set it.
10747 * c.opt (-imultilib): New option.
10748 * c-opts.c (imultilib): New.
10749 (c_common_handle_option): Handle -imultilib.
10750 (c_common_post_options): Likewise.
10751 * c-incpath.c (add_standard_paths, register_include_chains):
10753 * c-incpath.h (register_include_chains): Add extra parameter.
10754 * gcc.c (do_spec_1): Generate -imultilib option.
10755 (The Specs Language): Update %I description.
10756 (process_command): Update copyright notice.
10757 * doc/cppopts.texi (-imultilib): Document.
10758 * doc/invoke.texi (-imultilib): Include in option summary.
10759 (%I): Update specs documentation.
10761 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10763 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10765 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10767 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10770 2006-01-20 Richard Guenther <rguenther@suse.de>
10771 Steven Bosscher <stevenb.gcc@gmail.com>
10773 PR rtl-optimization/24626
10774 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10775 EDGE_TRUE_VALUE if in RTL mode.
10778 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10779 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10781 2006-01-20 Dirk Mueller <dmueller@suse.com>
10784 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10785 instead of a special NOP marker.
10786 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10787 NOP marker handling.
10788 * c-common.h (empty_body_warning): Add forward declaration.
10789 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10790 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10792 2006-01-20 Paul Brook <paul@codesourcery.com>
10794 * Makefile.in (lang_checks): Keep going if mkdir fails.
10796 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10798 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10799 be able to clean out basic block when not necessary.
10800 (df_scan_free): Fixed to properly delete information if df is
10801 unused before calling df_finish.
10802 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10803 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10805 (df_bb_refs_delete): New function.
10806 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10807 * df-core.c (df_set_blocks): Added code to properly clean out
10808 unused blocks if they are not part of the blocks to consider.
10809 Added additional null check.
10810 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10811 be able to clean out basic block when not necessary
10812 * df.h (df_free_bb_function): Ditto.
10813 (df_bb_refs_delete): New function.
10814 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10815 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10816 basic block parameter to be able to clean out basic block when not
10818 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10819 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10820 Fixed to properly delete information if df is unused before
10823 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10825 PR rtl-optimization/25799
10826 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10827 Corrected confluence operator to remove bits from op2 before oring
10828 with op1 rather than removing bits from op1.
10829 (df_ru_transfer_function): Corrected test on wrong bitmap which
10830 caused infinite loop. Both of these problems were introduced in
10831 the dataflow rewrite.
10833 2006-01-19 DJ Delorie <dj@redhat.com>
10835 * reload1.c (find_reload_regs): Note the details of reload
10836 failures in the dump file.
10837 (spill_failure): Likewise.
10839 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10841 * loop-iv.c: Include df.h and hashtab.h.
10842 (enum iv_grd_result): New enum.
10843 (DF_REF_IV, DF_REF_IV_SET): New macros.
10844 (struct biv_entry): New.
10845 (df, bivs): New global variables.
10846 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10847 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10849 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10850 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10851 analyzed_for_bivness_p, record_biv): New functions.
10852 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10853 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10854 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10856 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10858 (iv_number_of_iterations): Use new interface to iv analysis.
10859 * loop-unroll.c: Do not include varray.h.
10860 (analyze_iv_to_split_insn): Use new interface to iv
10862 * loop-unswitch.c (may_unswitch_on): Ditto.
10863 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10865 (df_bb_modify): Realloc tables to the new index.
10866 (df_find_use): New function.
10867 * df.h (df_find_use): Declare.
10868 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10870 * cfgloop.h (struct rtx_iv): Remove analysed field.
10871 (iv_get_reaching_def): Removed.
10872 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10873 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10874 (loop-iv.o): Add df.h and hashtab.h dependency.
10875 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10877 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10880 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10882 (__floatundisf, __floatundidf): Likewise.
10883 * libgcc2.h (IS_IBM_EXTENDED): Define.
10885 2006-01-19 DJ Delorie <dj@redhat.com>
10887 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10889 2006-01-19 Paul Brook <paul@codesourcery.com>
10891 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10892 as nothrow when unwinding tables are disabled.
10894 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10897 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10898 of bit-field" when in system header.
10900 2006-01-19 DJ Delorie <dj@redhat.com>
10902 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10903 the 16 bit shift limit of the m16c.
10905 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10908 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10909 * config/i386/i386.c (output_set_got): Output the label if we have one
10910 for the TARGET_DEEP_BRANCH_PREDICTION case.
10912 2006-01-19 Jan Hubicka <jh@suse.cz>
10913 H.J. Lu <hongjiu.lu@intel.com>
10914 Evandro Menezes <evandro.menezes@amd.com>
10916 * invoke.texi (generic): Document
10918 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10919 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10920 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10921 (x86_use_incdec, x86_pad_returns): New variables
10922 (TARGET_CPU_DEFAULT_generic): New constant
10923 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10924 (enum processor_type): Add generic32 and generic64.
10925 * i386.md (cpu attribute): Add generic32/generic64
10926 (movhi splitter): Behave sanely when both partial_reg_dependency and
10927 partial_reg_stall are set.
10928 (K8 splitters): Enable for generic as well.
10929 * predicates.md (incdec_operand): Use TARGET_INCDEC
10930 (aligned_operand): Avoid memory mismatch stalls.
10931 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10932 * ppro.md: Enable for generic32
10933 * i386.c (generic64_cost, generic32_cost): New.
10934 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10935 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10936 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10937 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10938 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10939 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10940 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10941 x86_accumulate_outgoing_args, x86_prologue_using_move,
10942 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10943 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10944 Enable for generic.
10945 (x86_use_incdec, x86_pad_returns): New.
10946 (override_options): Add generic32 and generic64, translate "generic"
10947 to generic32/generic64 and "i686" to "generic32", refuse
10948 "generic32"/"generic64" as arch target.
10949 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10950 (ix86_reorg): Honor PAD_RETURNS.
10952 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10954 * tree-pretty-print.c (dump_generic_node): Handle
10955 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10956 * cgraph.c (cgraph_expand_queue): Rename from
10957 cgraph_analyze_queue. Update all users.
10958 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10959 cgraph_expand_queue.
10960 (cgraph_expand_all_functions): Likewise.
10961 (cgraph_finalize_pending_functions): Remove. Update callers.
10963 * tree.h (OMP_DIRECTIVE_P): Define.
10964 (OMP_PARALLEL_FN): Define.
10965 (OMP_PARALLEL_DATA_ARG): Define.
10966 (OMP_SECTIONS_SECTIONS): Define.
10967 * tree-pass.h (pass_expand_omp): Declare.
10968 * omp-low.c (struct omp_region): Declare.
10969 (struct omp_context): Remove fields 'parallel_type',
10970 'parallel_start_ix' and 'parallel_start_additional_args'.
10972 (struct omp_for_data): Rename from struct expand_omp_for_data.
10973 (omp_regions): New static variable.
10974 (root_omp_region): New static variable.
10975 (find_omp_clause): Make static.
10976 (is_in_combined_parallel_ctx): Remove.
10977 (is_combined_parallel): New.
10978 (extract_omp_for_data): Move earlier in the file.
10979 (workshare_safe_to_combine_p): New.
10980 (get_ws_args_for): New.
10981 (determine_parallel_type): Move earlier in the file.
10982 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10984 (omp_copy_decl): Likewise.
10985 (create_omp_child_function): Likewise.
10986 (lookup_omp_region): New.
10987 (dump_omp_region): New.
10988 (debug_omp_region): New.
10989 (debug_all_omp_regions): New.
10990 (new_omp_region): New.
10991 (scan_omp_parallel): If parallel_nesting_level > 1, the
10992 directive is nested within another parallel directive.
10993 Set OMP_PARALLEL_FN.
10994 (scan_omp_for): Do not try to handle combined parallel+for
10996 Remove FIXME comment.
10997 (scan_omp_nested): Remove.
10998 (scan_omp_1): Do not call scan_omp_nested when
10999 parallel_nesting_level is > 1.
11000 Do not change the DECL_CONTEXT of local variables found.
11001 (lookup_decl_in_outer_ctx): New.
11002 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11003 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11004 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11005 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11006 If CTX is nested, lookup VAR in the outer context when
11007 building copy assignment.
11008 (lower_send_clauses): Rename from expand_send_clauses.
11009 If CTX is nested, lookup VAR in the outer context when
11010 building copy assignments.
11011 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11012 If CTX is nested, lookup VAR in the outer context when
11013 building copy assignments.
11014 (expand_parallel_call): Rename from build_parallel_call.
11015 Handle combined parallel+workshare cases.
11016 Re-implement to emit code into the CFG.
11018 (expand_omp_parallel): Re-implement to emit code into the CFG.
11019 Call move_sese_region_to_fn to outline the sub-graph
11020 containing the parallel region.
11021 (expand_omp_for_1): Remove.
11022 (expand_omp_for_generic): Re-implement to emit code into the
11024 (expand_omp_for_static_nochunk): Likewise.
11025 (expand_omp_for_static_chunk): Likewise.
11026 (expand_omp_for): Likewise.
11027 (expand_omp_sections): Likewise.
11028 (remove_exit_barriers): New.
11029 (expand_omp_synch): New.
11031 (build_omp_regions_1): New.
11032 (build_omp_regions): New.
11033 (execute_expand_omp): New.
11034 (gate_expand_omp): New.
11035 (pass_expand_omp): Define.
11036 (lower_omp_sections): Rename from expand_omp_sections.
11037 Set OMP_SECTIONS_SECTIONS.
11038 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11039 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11040 (lower_omp_single): Rename from expand_omp_simple.
11041 (lower_omp_master): Rename from expand_omp_master.
11042 (lower_omp_ordered): Rename from expand_omp_ordered.
11043 (lower_omp_critical): Rename from expand_omp_critical.
11044 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11045 (lower_omp_for): Re-implement.
11046 (lower_omp_parallel): Re-implement.
11047 (lower_regimplify): Rename from expand_regimplify.
11048 (lower_omp_1): Rename from expand_omp_1.
11049 If there are syntax errors in the program, replace every
11050 OpenMP directive with NOP.
11051 Call lower_omp_* instead of expand_omp_*.
11052 (lower_omp): Rename from expand_omp.
11054 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11055 * tree-gimple.h (enum omp_parallel_type): Remove.
11056 (gimple_boolify): Declare extern.
11057 (find_omp_clause, determine_parallel_type): Remove.
11059 * gimple-low.c (lower_omp_directive): New.
11060 (lower_stmt): Call it.
11061 (record_vars_into): Move from ...
11062 (record_vars): ... here.
11063 Call record_vars_into with current_function_decl.
11065 * gimplify.c (struct gimplify_ctx): Remove fields
11066 combined_pre_p and combined_ctxp. Update users.
11067 (get_formal_tmp_var): Add documentation.
11068 (gimple_boolify): Make extern.
11069 (gimplify_expr_in_ctx): Remove. Update callers.
11070 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11071 will always be a BIND_EXPR.
11072 (gimplify_expr): Handle OMP_RETURN_EXPR.
11073 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11074 (OMP_PARALLEL): Add 3 operands.
11075 (OMP_SECTIONS): Add 1 operand.
11076 (OMP_RETURN_EXPR): Define.
11078 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11079 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11080 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11081 creating a circular free list.
11082 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11084 * tree-flow.h (move_sese_region_to_fn): Declare.
11085 (record_vars_into): Declare.
11086 * tree-cfg.c (make_omp_sections_edges): New.
11087 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11088 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11089 OMP_SECTIONS and OMP_SECTION.
11090 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11091 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11092 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11093 (gather_blocks_in_sese_region): New.
11094 (struct move_stmt_d): Declare.
11095 (move_stmt_r): New.
11096 (move_block_to_fn): New.
11097 (move_sese_region_to_fn): New.
11099 * passes.c (init_optimization_passes): Schedule
11100 pass_expand_omp after pass_init_datastructures.
11102 * tree-ssa-operands.c (get_expr_operands): Handle
11103 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11104 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11106 2006-01-19 Jeff Law <law@redhat.com>
11108 * tree-vrp.c (extract_range_from_assert): Refine the result range
11109 if the variable referenced by the ASSERT_EXPR has a range and
11110 either the tentative result range or the previous range is a
11113 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11115 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11117 2006-01-19 Jan Hubicka <jh@suse.cz>
11119 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11121 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11123 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11124 (expand_compound_operation, expand_field_assignment): Fail if the
11125 bit lengths of an extract operation are out of range.
11126 (make_extraction): Compute wanted_inner_mode based on the position
11127 and length of the extraction. Make it extraction_mode for non-constant
11128 positions, and do not modify offset in that case. When generating a
11129 new MEM, use a mode that can hold the extraction while keeping correct
11130 alignment. Remove code that supported MEMs wrapped by USEs.
11131 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11133 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11135 * config/s390/s390.md ("Y", "y"): New mode attribute.
11136 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11137 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11138 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11139 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11140 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11141 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11142 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11143 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11144 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11145 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11146 "addsi3", "subsi3"): Insn patterns removed.
11147 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11148 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11149 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11150 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11151 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11152 "*sub<mode>3_cconly2"): New insn patterns.
11153 ("addsi3", "subsi3"): New expanders.
11155 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11157 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11158 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11159 existing STMT_VINFO_VECTYPE if available.
11160 (vect_mark_relevant): Add special handling for stmts that are
11161 marked as STMT_VINFO_IN_PATTERN_P.
11162 (vect_analyze_loop): Call vect_pattern_recog.
11163 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11164 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11166 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11167 (vect_recog_func_ptr): New function-pointer type.
11168 * tree-vect-patterns.c: New file.
11169 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11170 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11171 (vect_pattern_recog_1): New functions.
11172 (vect_pattern_recog_funcs): New array of function pointers.
11174 * tree-vectorizer.h (ternary_op): New enum value.
11175 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11176 declaration. Revised documentation. Removed redundant dump prints.
11177 Removed redundant argument. Added support for reduction patterns.
11178 (vectorizable_reduction): Added support for reduction patterns.
11179 (vect_transform_stmt): Added support for patterns.
11181 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11182 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11183 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11184 (expand_widen_pattern_expr): New function.
11185 (init_optabs): Initialize new optabs udot_prod_optab,
11187 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11188 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11189 (expand_widen_pattern_expr): New function declaration.
11190 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11192 * tree-inline.c (estimate_num_insns_1): Added cases for new
11193 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11194 * tree-pretty-print.c (dump_generic_node): Likewise.
11195 (op_prio): Likewise.
11196 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11197 * tree-ssa-operands.c (get_expr_operands): Added case for
11199 * tree-vect-patterns.c (widened_name_p): New function.
11200 (vect_recog_dot_prod_pattern): Added function implementation.
11201 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11202 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11203 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11204 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11206 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11207 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11208 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11209 (init_optabs): Initialize new optabs widen_ssum_optab,
11211 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11212 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11213 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11214 use instead of type of def.
11215 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11216 function implementation.
11217 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11218 widen_ssumv8hi): New.
11220 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11223 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11226 * c-decl.c (add_flexible_array_elts_to_size): New function.
11227 (finish_decl): Use it.
11229 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11231 * diagnostic.h: Include options.h.
11232 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11233 dependancies for diagnostic.h.
11234 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11236 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11238 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11239 (ssa_ro_call_cache_valid): Ditto.
11240 * tree-ssa-alias.c (sort_tags_by_id): New function.
11241 (init_transitive_clobber_worklist): Ditto.
11242 (add_to_worklist): Ditto.
11243 (mark_aliases_call_clobbered): Ditto.
11244 (compute_tag_properties): Ditto.
11245 (set_initial_properties): Ditto.
11246 (compute_call_clobbered): Ditto.
11247 (compute_may_aliases): Call compute_call_clobbered and grouping.
11248 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11249 (compute_flow_insensitive_aliasing): Grouping now happens in our
11251 (setup_pointers_and_addressables): Remove clobbering related code.
11252 (add_may_alias): Ditto.
11253 (replace_may_alias): Ditto.
11254 (get_nmt_for): Ditto.
11255 (create_global_var):
11256 (is_escape_site): Return an escape_type enumeration.
11257 * tree-flow-inline.h (is_call_clobbered): Global var does not
11258 imply call clobbered.
11259 (mark_call_clobbered): Take a reason for marking this. Remove
11260 marking of globalness, and cache invalidation.
11261 (clear_call_clobbered): Remove cache invalidation code.
11262 * tree-dfa.c (dump_variable): If details is on, dump the reason
11264 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11266 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11267 (struct var_ann_d): Ditto.
11268 (enum escape_type): New.
11269 (mark_call_clobbered): Adjust prototype.
11270 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11271 are never call clobbered.
11272 Record reasons for escaping.
11273 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11274 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11275 (ssa_ro_call_cache_valid): Ditto.
11276 (clobbered_v_may_defs): Ditto.
11277 (clobbered_vuses): Ditto.
11278 (ro_call_vuses): Ditto.
11279 (clobber_stats): New.
11280 (init_ssa_operands): Zero out clobber stats.
11281 (fini_ssa_operands): Print out clobber stats.
11282 (get_call_expr_operands): Pass callee fndecl to
11283 add_call_read_ops).
11284 (add_call_clobber_ops): Remove use of cache.
11285 Add use of PURE_CONST information.
11286 (add_call_read_ops): Remove use of cache.
11287 Add use of static not_read information.
11289 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11291 Introduce TLS descriptors for i386 and x86_64.
11292 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11293 (TARGET_ANY_GNU_TLS): New macro.
11294 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11295 (struct machine_function): Add tls_descriptor_call_expanded_p.
11296 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11297 (ix86_current_function_calls_tls_descriptor): Likewise.
11298 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11299 (override_options): Introduce gnu2 tls dialect.
11300 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11302 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11304 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11305 (ix86_init_machine_status): Initialize new field.
11306 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11307 (ix86_tls_module_base): New.
11308 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11309 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11310 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11311 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11312 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11313 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11314 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11315 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11316 * config/i386/predicates.md (tls_modbase_operand): New.
11317 (tp_or_register_operand): New.
11319 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11321 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11322 (look_for_address_of): Ditto.
11323 (ipa_init): Walk the function decls.
11324 (static_execute): Don't set readonly on FUNCTION_DECL's.
11326 2006-01-18 Roger Sayle <roger@eyesopen.com>
11328 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11329 for shifts where the source and destination registers are different.
11331 2006-01-18 Paul Brook <paul@codesourcery.com>
11333 Merge from csl-arm-branch.
11334 2005-03-14 Julian Brown <julian@codesourcery.com>
11335 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11336 (aeabi_llsl): Likewise.
11337 (ashrdi3): Likewise.
11338 (aeabi_lasr): Likewise.
11339 (lshrdi3): Likewise.
11340 (aeabi_llsr): Likewise.
11341 2005-03-10 Julian Brown <julian@codesourcery.com>
11342 * config.gcc: Disable shared libgcc for SymbianOS.
11343 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11345 2006-01-18 DJ Delorie <dj@redhat.com>
11347 * c-pragma.c (handle_pragma_diagnostic): New.
11348 (init_pragma): Register it.
11349 * doc/extend.texi: Document it.
11351 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11352 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11353 (diagnostic_context): Add classify_diagnostic[].
11354 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11355 as errors if they're overridden to DK_WARNING.
11356 (diagnostic_initialize): Initialize classify_diagnostic[].
11357 (diagnostic_set_kind_override): New.
11358 (diagnostic_report_diagnostic): Check for kind changes.
11359 * opts.c (common_handle_option): Take lang_mask. Update callers.
11360 Handle OPT_Werror_.
11361 * common.opt (Werror=): New.
11362 * doc/invoke.texi: Document -Werror=*
11364 2006-01-18 Jeff Law <law@redhat.com>
11366 * tree-vrp.c (test_for_singularity): Correct test for new
11367 min limit. Use operand_equal_p rather than pointer equality
11368 for testing if new min/max values are equal.
11370 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11371 using range information until after propagation and folding.
11373 2006-01-18 Richard Henderson <rth@redhat.com>
11374 Aldy Hernandez <aldyh@redhat.com>
11375 Jakub Jelinek <jakub@redhat.com>
11376 Diego Novillo <dnovillo@redhat.com>
11378 * omp-low.c: New file.
11379 * c-omp.c: New file.
11381 2006-01-18 Richard Henderson <rth@redhat.com>
11382 Jakub Jelinek <jakub@redhat.com>
11383 Diego Novillo <dnovillo@redhat.com>
11385 * doc/invoke.texi: Document -fopenmp.
11386 * tree-dump.h (debug_function): Declare.
11387 * hooks.c (hook_bool_tree_bool_false): New function.
11388 (hook_tree_tree_null): Remove.
11389 (hook_tree_tree_tree_null): New.
11390 * hooks.h: Update to match.
11391 * tree-pretty-print.c (debug_tree_chain): New.
11392 (print_generic_expr): Handle TDF_CHAIN.
11393 (dump_generic_node): Handle BLOCK.
11394 Do not abort with incomplete SWITCH_EXPRs.
11395 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11396 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11397 print space after directive name.
11398 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11399 Handle OMP_MASTER and OMP_ORDERED.
11400 Handle printing of OMP_BODY just in one place, goto
11401 dump_omp_body in the rest of OMP_* nodes that have
11403 Don't handle clause nodes here. Update omp statements to
11404 use dump_omp_clauses.
11405 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11406 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11407 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11408 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11409 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11410 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11411 Adjust output for GOMP_PARALLEL.
11412 (dump_omp_clauses): New.
11413 (print_declaration): Dump DECL_VALUE_EXPR.
11414 (op_symbol_1): Split out of op_symbol.
11415 (dumping_stmts): Remove. Update all users.
11416 * cgraph.c (cgraph_analyze_queue): New.
11417 (cgraph_add_new_function): New.
11418 * cgraph.h (cgraph_analyze_queue): Declare.
11419 (cgraph_add_new_function): Declare.
11420 (cgraph_lower_function): Remove.
11421 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11422 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11423 and TYPE_P nodes in its default clause.
11424 (empty_body_p): New.
11425 (tree_range_check_failed): New.
11426 (build5_stat): New.
11427 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11428 OMP_CLAUSE_REDUCTION_MERGE,
11429 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11430 OMP_CLAUSE_PRIVATE_DEBUG,
11431 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11432 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11433 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11434 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11435 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11436 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11437 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11438 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11439 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11440 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11441 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11442 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11443 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11444 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11445 (TREE_RANGE_CHECK): New.
11446 (empty_body_p): Declare.
11447 (enum omp_clause_default_kind): New.
11448 (build_string_literal): Declare.
11449 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11450 (build5_stat, build5): Declare.
11451 * tree-pass.h (TDF_CHAIN): Define.
11452 * tree-pass.h (PROP_gimple_lomp): Define.
11453 (pass_lower_omp): Declare.
11454 * diagnostic.h (debug_tree_chain): Declare.
11455 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11457 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11458 * builtins.c (build_string_literal): Make extern.
11459 * gcc.c (include_spec_function): New.
11460 (static_spec_functions): Add it.
11461 (main): Move load of libgomp.spec ...
11462 (LINK_COMMAND_SPEC): ... here.
11463 (link_gomp_spec): New.
11464 (static_specs): Include it.
11465 (LINK_COMMAND_SPEC): Add link_gomp.
11466 (GOMP_SELF_SPECS): New.
11467 (driver_self_specs): Include it.
11468 (switch_matches): Don't mark inline.
11469 (main): Load libgomp.spec.
11470 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11471 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11472 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11473 * tree-gimple.h (enum omp_parallel): Declare.
11474 (determine_parallel_type): Declare.
11475 (omp_firstprivatize_variable): Declare.
11476 (omp_reduction_init): Declare.
11477 (diagnose_omp_structured_block_errors): Declare.
11478 (struct walk_stmt_info): Add want_return_expr.
11479 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11480 (find_omp_clause): Declare.
11481 (insert_field_into_struct): Declare.
11482 (struct walk_stmt_info): Move from tree-nested.c
11483 (walk_stmts): Declare.
11484 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11486 * cgraphunit.c (cgraph_lower_function): Make static.
11487 (cgraph_finalize_pending_functions): New.
11488 (cgraph_finalize_function): Call it.
11489 (cgraph_finalize_compilation_unit): Likewise.
11490 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11491 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11492 (BT_FN_UINT_UINT): New.
11493 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11494 DEF_FUNCTION_TYPE_VAR_4): Document.
11495 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11496 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11497 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11498 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11499 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11500 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11501 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11502 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11503 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11504 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11505 into separate files.
11506 (DEF_GOMP_BUILTIN): New.
11507 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11508 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11509 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11510 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11511 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11512 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11513 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11514 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11515 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11516 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11517 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11518 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11519 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11520 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11521 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11522 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11523 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11524 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11525 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11526 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11527 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11528 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11529 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11530 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11531 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11532 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11533 * sync-builtins.def: New file, moved from builtins.def.
11534 * omp-builtins.def: New file, moved from builtins.def.
11535 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11536 * gimple-low.c (lower_function_body): Clear data.
11537 (lower_stmt): Do not handle COMPOUND_EXPR.
11538 Remove call to print_node_brief.
11539 * c-tree.h (c_finish_omp_clauses): New prototype.
11540 (C_DECL_THREADPRIVATE_P): Define.
11541 (lookup_name_no_remap, c_omp_remap_private): Remove
11542 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11543 (check_for_loop_decls): Update decl.
11544 (lookup_name_no_remap, c_omp_remap_private): Declare.
11545 (build_indirect_ref, build_modify_expr, pushdecl,
11546 pushdecl_top_level): Move to c-common.h.
11547 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11548 before the switch, but just in the 2 places that need it.
11549 * c-decl.c (diagnose_mismatched_decls): Do not check for
11550 mismatched thread-local attributes when OLDDECL is marked
11551 threadprivate and NEWDECL has no thread-local attributes.
11552 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11553 (c_gimple_diagnostics_recursively): Rename from
11554 c_warn_unused_result_recursively. Invoke
11555 diagnose_omp_structured_block_errors.
11556 (check_for_loop_decls): Return a singular decl found.
11557 * langhooks.c (lhd_omp_predetermined_sharing): Return
11558 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11559 (lhd_omp_firstprivatize_type_sizes): New.
11560 (lhd_omp_assignment): New.
11561 (lhd_omp_predetermined_sharing): New.
11562 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11563 (struct lang_hooks_for_types): Add
11564 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11565 omp_predetermined_sharing, omp_disregard_value_expr,
11566 omp_private_debug_clause, omp_clause_default_ctor,
11567 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11568 (c_finish_omp_clauses): New.
11569 (c_finish_bc_stmt): Diagnose break within omp for.
11570 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11571 (build_unary_op): Return error_mark after reporting
11573 (build_modify_expr): Likewise.
11574 * gimplify.c: Include optabs.h and pointer-set.h.
11575 (enum gimplify_omp_var_data): Declare.
11576 (struct gimplify_omp_ctx): Declare.
11577 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11579 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11580 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11581 (splay_tree_compare_decl_uid): New.
11582 (new_omp_context): New.
11583 (delete_omp_context): New.
11584 (gimple_add_tmp_var): Call omp_add_variable.
11585 (gimplify_bind_expr): Likewise.
11586 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11587 true, disregard DECL_VALUE_EXPR on the decl if any.
11588 (gimplify_expr_in_ctx): New.
11589 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11590 omp_add_variable, omp_notice_variable, omp_is_private
11591 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11592 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11593 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11594 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11595 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11596 gimplify_omp_atomic): New.
11597 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11598 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11599 OMP_CRITICAL and OMP_ATOMIC.
11600 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11601 * c-pragma.h (enum pragma_kind): Add
11602 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11603 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11604 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11605 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11606 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11607 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11608 PRAGMA_OMP_THREADPRIVATE.
11609 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11610 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11611 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11612 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11613 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11614 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11615 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11616 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11617 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11618 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11619 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11620 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11621 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11623 (struct nesting_info): Add field_map,
11624 suppress_expansion, debug_var_chain.
11625 (create_nesting_tree): Initialize them.
11626 (lookup_field_for_decl): Use field_map.
11627 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11628 (convert_local_omp_clauses): New.
11629 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11630 (walk_body): Split out of walk_function.
11631 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11632 (convert_nonlocal_reference): Handle omp statements.
11633 (convert_local_reference): Likewise.
11634 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11635 (unnest_nesting_tree): New.
11636 (lower_nested_functions): Call it.
11637 (insert_field_into_struct): Make extern.
11638 (struct walk_stmt_info): Move to tree-gimple.h.
11639 (walk_stmts): Make extern.
11640 * omp-builtins.def: New file.
11641 * tree-iterator.c (expr_only): Clarify comment.
11642 * c-common.h (pushdecl_top_level, pushdecl,
11643 build_modify_expr, build_indirect_ref,
11644 c_finish_omp_master, c_finish_omp_critical,
11645 c_finish_omp_ordered, c_finish_omp_barrier,
11646 c_finish_omp_atomic, c_finish_omp_flush,
11647 c_finish_omp_for, c_split_parallel_clauses,
11648 omp_clause_default_kind, c_omp_sharing_predetermined,
11649 c_omp_remap_decl): Declare.
11650 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11651 (OBJS-common): Add omp-low.o.
11652 (c-omp.o, omp-low.o): Add.
11653 (gimplify.o): Add dependency on $(OPTABS_H).
11654 (GTFILES): Add omp-low.c.
11655 (gt-stringpool.h): Add.
11656 * tree-cfg.c (set_bb_for_stmt): Do not update the
11657 block-to-labels map if we are currently expanding to RTL.
11658 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11660 Handle IDENTIFIER_NODE.
11661 (tree_verify_flow_info): Do not ICE when emitting error
11662 messages about invalid labels.
11663 (dump_function_to_file): Reset CFUN before emitting the body
11665 (debug_function): New.
11666 * passes.c (init_optimization_passes): Schedule
11668 * langhooks-def.h (lhd_omp_predetermined_sharing,
11669 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11671 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11672 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11673 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11674 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11675 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11676 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11677 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11678 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11679 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11680 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11681 (LANG_HOOK_DECLS): Use them.
11683 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11684 Richard Henderson <rth@redhat.com>
11685 Jakub Jelinek <jakub@redhat.com>
11686 Diego Novillo <dnovillo@redhat.com>
11688 * c-parser.c (pragma_omp_clause): Define.
11689 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11690 (c_parser_compound_statement): Likewise.
11691 (c_parser_statement): Likewise.
11692 (c_parser_pragma): Handle omp pragmas.
11693 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11694 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11695 (c_parser_omp_clause_name, check_no_duplicate_clause,
11696 c_parser_omp_variable_list,
11697 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11698 c_parser_omp_clause_copyprivate,
11699 c_parser_omp_clause_default,
11700 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11701 c_parser_omp_clause_lastprivate,
11702 c_parser_omp_clause_nowait,
11703 c_parser_omp_clause_num_threads,
11704 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11705 c_parser_omp_clause_reduction,
11706 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11707 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11708 c_parser_omp_atomic, c_parser_omp_barrier,
11709 c_parser_omp_critical, c_parser_omp_flush,
11710 c_parser_omp_for_loop, c_parser_omp_for,
11711 c_parser_omp_master, c_parser_omp_ordered,
11712 c_parser_omp_sections_scope, c_parser_omp_sections,
11713 c_parser_omp_parallel, c_parser_omp_single,
11714 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11715 * c-pragma.c (init_pragma): Do omp pragma registration here.
11716 * c.opt (fopenmp): New flag.
11718 2006-01-18 Eric Christopher <echristo@apple.com>
11720 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11721 * config/darwin.h (GOMP_SELF_SPECS): Define.
11723 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11725 * rtl.h: Remove the prototype for reg_alloc.
11727 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11730 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11731 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11732 sjlj and dwarf2 exception handling.
11733 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11734 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11735 * pa/pa.c (function_value): Treat complex and vector types as
11737 (function_arg): Likewise. Only pass scalar floats in the floating
11738 point argument registers.
11739 * pa/t-slibgcc-dwarf-ver: New file.
11740 * pa/t-slibgcc-sjlj-ver: New file.
11741 * pa/t-slibgcc-elf-ver: Delete file.
11743 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11745 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11746 unlikely_test_section_p test.
11748 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11750 * mode-switching.c (optimize_mode_switching): Make it static.
11751 * basic-block.h: Remove the prototype for
11752 optimize_mode_switching.
11754 * modulo-sched.c (sms_schedule): Make it static.
11755 * rtl.h: Remove the prototype for sms_schedule.
11757 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11758 * rtl.h: Remove the prototype for gcse_after_reload_main.
11760 * reg-stack.c (reg_to_stack): Make it static.
11761 * rtl.h: Remove the prototype for reg_to_stack.
11763 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11765 * rtl.h: Remove the prototypes for regrename_optimize and
11766 copyprop_hardreg_forward.
11768 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11770 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11771 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11772 Test against the appropriate null constant for the mode.
11773 If 'fixup_overlap' is true, swap the operands if they overlap.
11774 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11775 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11776 alpha_split_tmode_pair and adjust for above change.
11777 * config/alpha/alpha.md (movtf_internal): Adjust call to
11778 alpha_split_tfmode_pair and rely on it to swap the operands.
11779 (movti_internal): New insn and post-reload splitter.
11780 (movti): New expander.
11782 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11784 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11787 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11789 * rtlanal.c (global_reg_mentioned_p_1,
11790 global_reg_mentioned_p): Remove.
11791 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11793 * flow.c (initialize_uninitialized_subregs): Make it static.
11794 * rtl.h: Remove the prototype for
11795 initialize_uninitialized_subregs.
11797 * function.c (instantiate_virtual_regs): Make it static.
11798 * function.h: Remove the prototype for
11799 instantiate_virtual_regs.
11801 * regmove.c (regmove_optimize, combine_stack_adjustments):
11803 * rtl.h: Remove the prototypes for regmove_optimize and
11804 combine_stack_adjustments.
11806 2006-01-17 Roger Sayle <roger@eyesopen.com>
11808 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11809 (size_cost): Encode costs in bytes so that a reg-reg addition is
11810 equivalent to COSTS_N_INSNS(1).
11811 (override_options): Use the size_cost.branch_cost as the default
11812 ix86_branch_cost when optimizing for size.
11814 2006-01-18 Ben Elliston <bje@au.ibm.com>
11816 * Makefile.in (D32PBIT_FUNCS): New.
11817 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11818 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11819 D64PBIT_FUNCS and D128PBIT_FUNCS.
11820 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11821 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11823 (decnumber_dep): Define.
11824 * doc/libgcc.texi (Decimal float library routines): New node.
11825 * config/dfp-bit.h, config/dfp-bit.c: New files.
11827 2006-01-18 Ben Elliston <bje@au.ibm.com>
11829 * expr.c (emit_move_change_mode): Always adjust addresses, not
11830 just during reload. Copy replacements only during reload.
11831 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11832 emit_move_via_integer.
11834 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11836 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11837 instead of $(srcdir) and ${srcdir}.
11839 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11842 PR middle-end/11135
11843 * arm.h (struct machine_function): Add pic_reg.
11844 * arm.c (arm_pic_register): Make unsigned.
11845 (arm_override_options): Only set arm_pic_register if
11846 TARGET_SINGLE_PIC_BASE.
11847 (use_return_insn): Only test for a pic register if it is fixed.
11848 (arm_compute_save_reg0_reg12_mask): Likewise.
11849 (thumb_compute_save_reg_mask): Likewise.
11850 (legitimate_pic_operand): Factor out some known invariants.
11851 (legitimize_pic_address): If we don't have a fixed pic register,
11852 then set up a pseudo in the function entry sequence. Handle the
11853 pic base being in a pseudo.
11854 (arm_load_pic_register): Handle the pic register being in a pseudo.
11855 (arm_expand_prologue): Only set up the pic register if it is fixed.
11856 (thumb_expand_prologue): Likewise.
11857 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11858 (pic_load_addr_based_insn): Likewise.
11859 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11862 2006-01-18 Ben Elliston <bje@au.ibm.com>
11864 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11865 decimal float modes for all floating point registers.
11867 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11868 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11870 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11873 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11874 even when the pointer is not NULL.
11876 2006-01-16 Ian Lance Taylor <ian@airs.com>
11878 * common.opt (ftoplevel-reorder): New option.
11879 * cgraph.c (cgraph_asm_nodes): New global variable.
11880 (cgraph_asm_last_node): New static variable.
11881 (cgraph_order): New global variable.
11882 (cgraph_create_node): Set new order field.
11883 (cgraph_varpool_node): Likewise.
11884 (decide_is_variable_needed): Return true if not
11885 flag_toplevel_reorder.
11886 (cgraph_add_asm_node): New function.
11887 * cgraph.h (struct cgraph_node): Add order field.
11888 (struct cgraph_varpool_node): Add order field.
11889 (struct cgraph_asm_node): Define.
11890 (cgraph_asm_nodes, cgraph_order): Declare.
11891 (cgraph_add_asm_node): Declare.
11892 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11894 (cgraph_varpool_assemble_pending_decls): Call it.
11895 (cgraph_output_pending_asms): New static function.
11896 (cgraph_finalize_compilation_unit): Call it.
11897 (struct cgraph_order_sort): Define.
11898 (cgraph_output_in_order): New static function.
11899 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11900 !flag_toplevel_reorder case.
11901 * c-parser.c: Include "cgraph.h".
11902 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11904 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11905 than -fno-unit-at-a-time.
11906 * doc/invoke.texi (Option Summary): Mention
11907 -fno-toplevel-reorder.
11908 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11909 -funit-at-a-time documentation.
11911 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11912 Kazu Hirata <kazu@codesourcery.com>
11914 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11916 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11918 * Makefile.in (FUNCTION_H): New. Use it instead of
11919 function.h throughout the file.
11920 * function.h: Include tree.h.
11922 2006-01-17 Ben Elliston <bje@au.ibm.com>
11924 * recog.c: Separate some functions with whitespace.
11926 2006-01-16 Richard Henderson <rth@redhat.com>
11928 Merge from gomp branch:
11929 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11930 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11931 and rename from struct inline_data. Rename callee* to dst*;
11932 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11933 transform_new_cfg, transform_return_to_modify, and
11934 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11936 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11937 (copy_decl_for_dup): Remove.
11938 * tree-inline.c (struct inline_data): Move to header.
11939 (insert_decl_map): Export.
11940 (remap_decl): Update for member name changes. Use copy_decl hook.
11941 Allow for replacement to be a non-decl. Remove dead code.
11942 (remap_type_1): Check for existing mapping.
11943 (remap_type): Export.
11944 (remap_decls): Update for member name changes.
11945 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11946 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11947 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11948 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11949 (tree_function_versioning, build_duplicate_type): Likewise.
11950 (copy_body_r): Likewise. Export.
11951 (copy_decl_for_dup): Split into ...
11952 (copy_decl_for_dup_finish, copy_decl_to_var,
11953 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11954 (replace_ref_tree, inlining_p): Remove.
11956 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11958 * ifcvt.c (if_convert): Make it static.
11959 * rtl.h: Remove the prototype for if_convert.
11961 * local-alloc.c (local_alloc): Make it static.
11962 * rtl.h: Remove the prototype for local_alloc.
11964 * loop.c (loop_optimize): Make it static.
11965 * cfgloop.h: Remove the prototype for loop_optimize.
11968 2006-01-16 DJ Delorie <dj@redhat.com>
11970 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11973 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11975 * pa.md: Disparage copies between general and floating-point registers
11976 in 32-bit move patterns.
11978 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11981 * Makefile.in (check-%): Depend on site.exp instead of
11982 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11985 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11987 * global.c (global_alloc): Make it static.
11988 * rtl.h: Remove the prototype for global_alloc.
11990 2006-01-16 Richard Guenther <rguenther@suse.de>
11992 * tree-ssa-alias.c (struct used_part): Add write_only field.
11993 (get_or_create_used_part_for): Initialize it to true.
11994 (create_overlap_variables_for): Don't create structure variables
11995 for structures that only are written to.
11996 (find_used_portions): Handle MODIFY_EXPR to track whether a
11997 structure is only written to.
11999 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12001 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12003 * basic-block.h: Remove the prototype for
12004 partition_hot_cold_basic_blocks.
12006 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12008 * cppspec.c (lang_specific_spec_functions): Remove.
12009 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12010 * gcc.h (lang_specific_spec_functions): Remove.
12011 * gccspec.c (lang_specific_spec_functions): Remove.
12013 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12015 * combine.c (record_value_for_reg): Invalidate registers
12017 (record_dead_and_set_regs_1): Likewise, by passing them to
12018 record_value_for_reg.
12019 (record_dead_and_set_regs): Invalidate stores made by a
12020 call. We do not combine across a call, but we still
12021 relied on equivalences.
12023 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12025 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12026 vrp_int_const_binop returning non-constant nodes.
12028 2006-01-16 Paul Brook <paul@codesourcery.com>
12030 * config/m68k/m68k.c (output_move_const_into_data_reg):
12031 Output correct mnemonic for mvz and mvs.
12033 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12035 * rtl-factoring.c: Add sequence abstraction algorithm.
12036 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12037 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12039 (block_has_preserve_label): New function.
12040 * common.opt: Register new pass.
12041 * Makefile.in: Ditto.
12043 * timevar.def: Ditto.
12044 * tree-pass.h: Ditto.
12045 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12046 * rtl.h (make_jump_insn_raw): Add forward decl.
12047 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12049 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12050 Roger Sayle <roger@eyesopen.com>
12052 * fold-const.c (fold_minmax): New static function.
12053 (fold_binary) <MIN_EXPR>: Call it.
12054 <MAX_EXPR>: Likewise.
12055 * stor-layout.c (place_field): Use DECL_SIZE consistently
12056 in the computation of the new record size.
12058 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12060 * cse.c (cse_condition_code_reg): Make it static.
12061 * rtl.h: Remove the prototype for cse_condition_code_reg.
12063 * combine.c (combine_instructions): Make it static.
12064 * rtl.h: Remove the prototype for combine_instructions.
12066 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12069 * tree.c (get_file_function_name_long): Concatenate the first global
12070 object name with a string derived from the input filename of the object
12073 2006-01-16 Ben Elliston <bje@au.ibm.com>
12075 * config/i386/winnt-stubs.c: Update FSF address.
12076 * config/xtensa/ieee754-df.S: Ditto.
12077 * config/xtensa/ieee754-sf.S: Ditto.
12079 2006-01-14 Ian Lance Taylor <ian@airs.com>
12081 * ifcvt.c (noce_init_if_info): New static function, broken out of
12082 noce_process_if_block.
12083 (noce_process_if_block): Call noce_init_if_info.
12084 (check_cond_move_block): New static function.
12085 (cond_move_process_if_block): New static function.
12086 (process_if_block): Call cond_move_process_if_block.
12088 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12090 * cselib.c (hash_table): Rename to cselib_hash_table.
12091 (cselib_clear_table, discard_useless_values,
12092 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12093 cselib_init, cselib_finish): Adjust uses of hash_table.
12095 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12097 PR tree-optimization/25485
12098 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12099 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12100 is known to be false and true, respectively.
12102 2006-01-14 Richard Guenther <rguenther@suse.de>
12104 PR tree-optimization/22548
12105 PR tree-optimization/22555
12106 PR tree-optimization/22501
12107 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12108 * params.def (salias-max-array-elements): New parameter.
12109 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12110 * doc/invoke.texi (salias-max-array-elements): Document.
12111 * tree-flow-inline.h (var_can_have_subvars): We also handle
12113 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12115 * tree-ssa-structalias.c (params.h): Include.
12116 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12117 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12118 (get_constraint_for): For ADDR_EXPR operating on something
12119 containing an ARRAY_REF, add all subvars to the solution.
12120 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12121 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12122 for creating MUST_DEFs.
12123 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12125 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12127 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12129 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12130 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12131 number_of_iterations_le): New functions.
12132 (number_of_iterations_special): Removed.
12133 (number_of_iterations_exit): Do not use number_of_iterations_special.
12134 * tree.c (unsigned_type_for): Always return integer type.
12136 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12137 Richard Guenther <rguenther@suse.de>
12139 PR rtl-optimization/24257
12140 * gcse.c (find_moveable_store): Only consider a store movable
12141 when the SET_SRC of the insn can be assigned to a register.
12143 2006-01-14 Ian Lance Taylor <ian@airs.com>
12145 * tree.c (tree_not_class_check_failed): New function.
12146 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12147 (tree_not_class_check_failed): Declare.
12149 2006-01-13 Ian Lance Taylor <ian@airs.com>
12151 * reload1.c (do_output_reload): Add assertion rejecting a
12154 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12156 * combine.c (struct reg_stat): Add new fields truncation_label and
12158 (record_value_for_reg): Reset truncated_to_mode.
12159 (record_truncated_value): New function.
12160 (check_promoted_subreg): Call it. Rename to check_conversions.
12161 (combine_instructions): Rename check_promoted_subreg to
12163 (reg_truncated_to_mode): New function.
12164 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12165 (gen_lowpart_or_truncate): New function.
12166 (force_to_mode): Use it instead of gen_lowpart.
12168 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12170 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12171 VAR is a tag, not its type tag.
12173 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12175 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12176 alternatives to match style of other entries.
12177 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12179 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12181 PR tree-optimization/25771
12182 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12185 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12188 * tree-inline.c (declare_return_variable): If the return variable
12189 was marked as a non gimple complex, set the return slot variable
12190 to be a non gimple comple variable.
12192 2006-01-13 Richard Guenther <rguenther@suse.de>
12194 * builtins.c (expand_builtin_sincos): New function.
12195 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12197 (expand_builtin): Expand sincos using expand_builtin_sincos.
12199 2006-01-12 DJ Delorie <dj@redhat.com>
12201 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12202 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12203 so that constant shifts can be split.
12204 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12205 (m32c_valid_pointer_mode): Make static.
12206 (shift_gen_func_for): New.
12207 (m32c_prepare_shift): Use it. Split large const shifts into
12209 * config/m32c/predicates.md (shiftcount_operand): Allow more
12211 (longshiftcount_operand): New.
12212 * doc/md.texi (Machine Constraints): Document In6.
12214 2006-01-13 Ben Elliston <bje@au.ibm.com>
12216 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12217 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12220 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12222 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12223 to try to avoid clobbering pieces of structures when we know
12224 something about the whole structure.
12225 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12227 2006-01-13 Ben Elliston <bje@au.ibm.com>
12229 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12230 return in memory, as this is no limitation is no longer present.
12232 2006-01-12 DJ Delorie <dj@redhat.com>
12234 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12235 mova with fb, and for fb+0 -> An.
12237 * config/m32c/mov.md (peephole2): Fix enabling logic.
12239 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12240 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12241 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12242 FINI_ARRAY_SECTION_ASM_OP): Define.
12244 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12246 (m32c_legitimize_reload_address): New logic to reload FB to An.
12247 (m32c_output_reg_push): Add newline.
12248 (m32c_output_reg_pop): Likewise.
12250 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12252 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12254 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12256 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12258 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12260 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12263 2006-01-11 Ben Elliston <bje@au.ibm.com>
12265 * rtlanal.c (find_reg_note): Assert insn is not null.
12267 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12269 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12272 2006-01-11 Jeff Law <law@redhat.com>
12274 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12276 (mark_threaded_blocks, register_jump_thread): New functions.
12277 (thread_through_all_blocks): Remove unwanted argument. No
12278 longer rely on e->aux to communicate thread target info.
12279 Call mark_threaded_blocks. Release the threaded_blocks
12280 bitmap and threaded_edges vector when complete.
12281 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12282 (threaded_blocks): Remove.
12283 (tree_ssa_dominator_optimize): Remove initialization and
12284 finalization of threaded_blocks. Simplify call to
12285 thread_through_all_blocks.
12286 (thread_across_edge): Call register_jump_thread rather than
12287 storing thread information into e->aux.
12288 (free_all_edge_infos): Simplify now that e->aux is no longer
12289 used to communicate with thread_through_all_blocks.
12290 * tree-flow.h (thread_through_all_blocks): Update prototype.
12291 (register_jump_thread): Prototype.
12293 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12295 * df-core.c (df_compact_blocks, df_bb_replace): Use
12296 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12298 2006-01-11 Richard Guenther <rguenther@suse.de>
12300 PR tree-optimization/25734
12301 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12302 stop propagation after successful propagation to the LHS.
12304 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12306 * basic-block.h (control_flow_graph): Change the type of
12307 x_basic_block_info to VEC(basic_block,gc) *.
12308 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12310 (SET_BASIC_BLOCK): New.
12311 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12312 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12313 * cfgbuild.c (find_basic_blocks): Likewise.
12314 * cfglayout.c (fixup_reorder_chain): Likewise.
12315 * cfgrtl.c (create_basic_block_structure,
12316 rtl_create_basic_block): Likewise.
12317 * ifcvt.c (find_if_case_1): Likewise.
12318 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12321 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12323 * Makefile.in: Removed rotted odf.c entry.
12325 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12328 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12329 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12330 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12331 output pattern modifier, not %e.
12332 * config/cris/cris.c (cris_op_str): Update comment about pattern
12334 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12335 before falling through into...
12336 <case 'E'>: Redefined from old 'e' case.
12338 2006-01-11 Jan Hubicka <jh@suse.cz>
12341 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12343 2006-01-11 Jan Hubicka <jh@suse.cz>
12345 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12346 * i386.c (x86_decompose_lea): Kill.
12347 (ix86_rtx_costs): Kill.
12349 2006-01-11 Jan Hubicka <jh@suse.cz>
12351 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12352 * cgraph.h (cgraph_node): Add inline_decl.
12353 (cgraph_insert_node_to_hashtable): Declare.
12354 (save_inline_function_body): Declare.
12355 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12357 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12358 (cgraph_function_versioning): Update call of tree_function_versioning.
12359 (save_inline_function_body): New function.
12360 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12361 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12362 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12363 (cgraph_default_inline_p): Likewise.
12364 (cgraph_decide_inlining_incrementally): Likewise.
12365 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12366 (copy_bb): Kill saving; do updating of clones.
12367 (copy_cfg_body): Kill saving.
12368 (initialize_inlined-parameters): Likewise.
12369 (expand_call_inline): Likewise.
12371 (tree_function_versioning): New parameter "update_clones".
12372 (inlining_p): Kill saving.
12373 * tree-inline.h (tree_function_versioning): Update prototype.
12374 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12377 2006-01-11 Ian Lance Taylor <ian@airs.com>
12379 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12380 Allow undoing set of machine mode.
12381 (do_SUBST): Use enums instead of is_int.
12382 (do_SUBST_MODE): New function.
12383 (SUBST_MODE): New macro.
12384 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12385 reg and trying to replace reg_regno_rtx with a new register.
12386 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12387 (simplify_set): Use SUBST_MODE.
12388 (distribute_notes): Remove code that tried to update reg notes
12389 for regno_reg_rtx changes.
12391 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12393 PR tree-optimization/23109
12394 PR tree-optimization/23948
12395 PR tree-optimization/24123
12397 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12398 * tree-cfg.c (single_noncomplex_succ): New.
12399 * tree-flow.h (single_noncomplex_succ): Declare it.
12400 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12401 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12402 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12403 insert_bb, register_division_in, insert_reciprocals,
12404 replace_reciprocal, free_bb): New.
12405 (execute_cse_reciprocals_1): Rewritten.
12406 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12407 Do not commit any edge insertion. Always compute dominators and
12408 create the allocation pool.
12409 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12410 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12411 * targhooks.c (default_min_divistions_for_recip_mul): New.
12412 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12413 * passes.c (init_optimization_passes): Run recip after tree loop
12415 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12417 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12418 Kenneth Zadeck <zadeck@naturalbridge.com>
12420 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12421 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12422 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12423 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12424 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12425 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12426 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12427 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12428 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12429 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12430 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12431 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12432 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12433 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12434 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12435 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12436 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12437 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12438 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12439 DF_SCAN_POST_ALLOC): New macros.
12440 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12441 df_free_bb_function, df_local_compute_function, df_init_function,
12442 df_dataflow_function, df_confluence_function_0,
12443 df_confluence_function_n, df_transfer_function,
12444 df_finalizer_function, df_free_function, df_dump_problem_function,
12445 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12446 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12447 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12448 df_urec_bb_info, ) New types.
12449 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12451 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12452 df_analyze_simple_change_some_blocks,
12453 df_analyze_simple_change_one_block, df_compact_blocks,
12454 df_bb_replace, df_bb_regno_last_use_find,
12455 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12456 df_insn_regno_def_p, df_find_def, df_find_use,
12457 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12458 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12459 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12460 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12461 debug_df_chain, df_get_dependent_problem, df_chain_create,
12462 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12463 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12464 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12465 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12466 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12467 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12468 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12469 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12470 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12471 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12472 df_reorganize_refs, df_set_state, df_hard_reg_init,
12473 df_read_modify_subreg_p) New public functions.
12474 * df-core.c: The core dataflow solver and glue routines for rtl
12476 (df_init, df_add_problem, df_set_blocks, df_finish,
12477 df_hybrid_search_forward, df_hybrid_search_backward,
12478 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12479 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12480 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12481 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12482 df_reg_defined, df_find_use, df_reg_used, df_dump,
12483 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12484 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12485 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12486 debug_df_useno, reset_df_after_reload): New functions.
12487 * df-scan.c: The scanning fuctions, once in df.c, completely
12488 rewritten so that they now fully model the functionality of
12489 register usage at the backend.
12490 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12491 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12492 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12493 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12494 df_get_artificial_defs, df_get_artificial_uses,
12495 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12496 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12497 df_refs_delete, df_reorganize_refs, df_set_state,
12498 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12499 df_def_record_1, df_defs_record, df_uses_record,
12500 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12501 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12502 df_record_exit_block_uses, df_hard_reg_init): New functions.
12504 * df-problems.c: Seven concrete dataflow problems that use the
12505 scanning in df-scan.c and are solved by the engine in df-core.c.
12506 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12507 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12508 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12509 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12510 df_ru_free_bb_info, df_ru_alloc,
12511 df_ru_bb_local_compute_process_def,
12512 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12513 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12514 df_ru_transfer_function, df_ru_free, df_ru_dump,
12515 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12516 df_rd_free_bb_info, df_rd_alloc,
12517 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12518 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12519 df_rd_transfer_function, df_rd_free, df_rd_dump,
12520 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12521 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12522 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12523 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12524 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12525 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12526 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12527 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12528 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12529 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12530 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12531 df_urec_mark_reg_use_for_earlyclobber,
12532 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12533 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12534 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12535 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12536 df_chain_create_bb_process_use, df_chain_create_bb,
12537 df_chain_finalize, df_chain_free, df_chains_dump,
12538 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12539 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12540 df_reg_lifetime): New functions.
12541 * df.c: Deleted file.
12542 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12543 consistent with new df api.
12544 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12545 rest_of_handle_sms): Ditto.
12546 * web.c (unionfind_union, union_defs, entry_register, web_main):
12548 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12549 invariant_expr_equal_p, find_defs, check_dependencies,
12550 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12551 free_inv_motion_data, move_loop_invariants): Ditto.
12552 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12553 Update dependencies.
12554 (odf.c): Added defective entry that was deleted later in day.
12555 * sched-deps.c (sched_analyze_1): Ditto.
12557 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12559 * tree-ssa-operands.c (get_expr_operands): Record addressable
12560 variables directly. Do not call add_stmt_operands for CONST_DECLs
12562 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12563 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12565 2006-01-11 Ben Elliston <bje@au.ibm.com>
12567 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12568 function returns true in the positive case.
12570 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12573 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12574 for SI, DI, SF and DF modes. Add alternatives to copy between
12575 general and floating point registers to the 32-bit patterns.
12576 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12577 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12578 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12579 generating 64-bit code.
12580 * config/pa/pa.c (output_move_double): Handle copies between general
12581 and floating registers.
12583 2006-01-10 Stuart Hastings <stuart@apple.com>
12585 * config/i386/i386.md (set_got): Update.
12586 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12587 (builtin_setjmp_receiver): Mach-O support.
12588 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12589 (GOT_SYMBOL_NAME): Define.
12590 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12591 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12592 * config/i386/i386.c (override_options): Revise for Darwin.
12593 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12594 support. (darwin_x86_file_end): New. (output_set_got): Add label
12595 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12596 * config/i386/i386-protos.h (output_set_got): Likewise.
12597 * config/darwin.c (machopic_legitimize_pic_address): Update
12600 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12602 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12603 when MODE isn't BLKmode.
12605 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12607 PR rtl-optimization/25367
12608 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12610 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12613 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12614 for a negative bound.
12616 2006-01-10 Richard Guenther <rguenther@suse.de>
12618 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12619 Never override with anything constraint.
12621 2006-01-10 Jan Beulich <jbeulich@novell.com>
12623 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12624 256 bits when optimize_size.
12626 2006-01-10 Jan Beulich <jbeulich@novell.com>
12628 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12630 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12631 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12634 2006-01-10 Ben Elliston <bje@au.ibm.com>
12636 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12638 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12639 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12640 (USE_FP_FOR_ARG): Reject decimal float modes.
12641 (function_arg_advance): Likewise.
12642 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12643 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12644 point types in AltiVec vectors.
12645 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12646 (rs6000_libcall_value): Likewise.
12648 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12650 * config/xtensa/ieee754-df.S: New file.
12651 * config/xtensa/ieee754-sf.S: New file.
12652 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12653 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12654 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12656 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12658 * config/sh/predicates.md (binary_float_operator,
12659 binary_logical_operator, commutative_float_operator,
12660 equality_comparison_operator, greater_comparison_operator,
12661 less_comparison_operator, logical_operator,
12662 noncommutative_float_operator, shift_operator,
12663 symbol_ref_operand, unary_float_operator): Remove redundant
12666 2006-01-09 Jeff Law <law@redhat.com>
12668 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12669 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12670 now unused arguments. Callers updated.
12671 (eliminate_redundant_computations): Remove now unused arguments,
12673 (local_fold): Remove, no longer used.
12674 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12676 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12677 (simplify_cond): New function.
12678 (forward_propagate_into_cond): Call simplify_cond.
12680 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12682 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12683 (*vec_extractv2di_1_sse): New.
12685 2006-01-09 Ben Elliston <bje@au.ibm.com>
12687 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12689 2006-01-08 Richard Guenther <rguenther@suse.de>
12691 * tree-ssa-structalias.c (get_constraint_for): Remove
12692 anyoffset argument.
12693 (get_constraint_for_component_ref): Likewise.
12694 (do_deref): Likewise.
12695 (get_constraint_for): Likewise.
12696 (do_structure_copy): Likewise.
12697 (handle_ptr_arith): Likewise.
12698 (find_func_aliases): Likewise. Remove unused need_anyoffset
12701 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12702 Kaz Kojima <kkojima@gcc.gnu.org>
12704 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12705 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12706 (EXTRA_CONSTRAINT_C16): Remove.
12707 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12708 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12709 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12710 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12711 constants of SHmedia. Handle nested constant expressions of
12713 (andcosts): Fix the costs for SHmedia constants.
12714 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12715 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12716 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12717 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12718 (movv4hi_i, movv2si_i): Likewise.
12719 (movsi_const): Adjust the second operand of ior so to match with
12720 the Csu constraint.
12721 (movdi_const, movdi_const_32bit): Likewise.
12722 (movdi_const_16bit+1): Don't sign-extend LOW.
12723 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12725 (*double_shori): Fix the split condition. Use GEN_INT instead
12726 of get_int_mode calls. Mask lower 16-bit of the argument of
12728 (sym2GOTPLT): Remove.
12729 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12731 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12732 instead of EXTRA_CONSTRAINT_C16.
12734 2006-01-07 Ian Lance Taylor <ian@airs.com>
12735 David Edelsohn <edelsohn@gnu.org>
12737 PR rtl-optimization/25662
12738 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12739 for constant operands instead of simplify_gen_binary.
12740 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12741 after trying simplify_binary_operation
12743 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12745 * tree.c (iterative_hash_expr): Hash decls based on UID.
12747 2006-01-06 Eric Christopher <echristo@apple.com>
12749 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12750 (TARGET_UNWIND_EMIT): Fix spelling.
12751 * target.h (gcc_target): Add except_table_label.
12752 * except.c (output_function_exception_table): Use.
12753 * varasm.c (default_emit_except_table_label): New.
12754 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12756 (asm_out): Add here.
12757 * output.h (default_emit_except_table_label): Prototype.
12758 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12759 * config/darwin.c (darwin_emit_except_table_label): Define.
12760 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12762 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12764 PR tree-optimization/18527
12765 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12766 number_of_iterations_special, number_of_iterations_exit):
12767 Move base and step of an iv to a single structure. Add
12768 no_overflow flag, and use it in # of iterations analysis.
12769 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12770 folded_casts argument.
12771 (simple_iv): Pass base and step in a structure. Set no_overflow
12773 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12774 Evaluate expensiveness of computing # of iterations instead of
12775 the final expression.
12776 * tree-scalar-evolution.h (affine_iv): New structure.
12777 (simple_iv): Declaration changed.
12778 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12779 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12780 find_givs_in_stmt): Changed due to simple_iv change.
12782 2006-01-06 Jeff Law <law@redhat.com>
12785 * tree-cfg.c (bsi_replace): Rename final argument from
12786 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12787 change (stmt -> orig_stmt).
12788 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12789 (bsi_remove): Add new argument. Remove EH information
12791 (verify_eh_throw_table_statements): New function.
12792 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12794 * tree-optimize.c (execute_free_cfg_annotations): Verify
12795 the EH throw statement table after removing annotations.
12796 * except.h (verify_eh_throw_table_statements): Prototype.
12797 * tree-flow.h (bsi_remove): Update prototype.
12798 * tree-vrp.c (remove_range_assertions): Add new argument to
12800 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12801 * tree-complex.c (expand_complex_div_wide): Likewise.
12802 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12803 * tree-tailcall.c (eliminate_tailcall): Likewise.
12804 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12805 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12806 * tree-nrv.c (tree_nrv): Likewise.
12807 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12808 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12809 (combine_blocks): Likewise.
12810 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12811 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12812 (cleanup_control_flow): Likewise.
12813 (remove_forwarder_block): Likewise.
12814 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12815 * tree-sra.c (sra_replace): Likewise.
12816 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12817 (forward_propagate_single_use_vars): Likewise.
12818 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12819 * tree-inline.c (expand_call_inline): Likewise.
12820 * tree-vect-transform.c (vect_transform_loop): Likewise.
12821 * tree-outof-ssa.c (rewrite_trees): Likewise.
12822 * tree-cfg.c (make_goto_expr_edges): Likewise.
12823 (cleanup_dead_labels): Likewise.
12824 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12825 (bsi_move_before, bsi_move_after): Likewise.
12826 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12827 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12829 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12832 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12834 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12835 on non gimple variables. Also add checks at the top for decls and
12837 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12839 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12840 and IMAGPART_EXPR for creating MUST_DEFs.
12841 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12842 and NAME_MEMORY_TAG separately from the DECLs.
12844 2006-01-06 Richard Guenther <rguenther@suse.de>
12846 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12847 annotation, if necessary.
12848 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12849 redundant calls to update_stmt.
12850 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12853 2006-01-05 Richard Henderson <rth@redhat.com>
12855 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12857 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12859 * c-typeck.c: Update copyright date.
12861 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12863 * c-typeck.c (build_c_cast): Always warn when casting
12864 from a pointer to an integer of different size, even if
12865 the node was constant.
12867 2006-01-05 Richard Guenther <rguenther@suse.de>
12869 PR tree-optimization/22555
12870 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12871 if one structure field is an array.
12872 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12873 operands even if we found a subvar, but ignore VOPs in this
12875 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12877 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12879 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12881 PR middle-end/24998
12882 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12884 2006-01-05 Richard Guenther <rguenther@suse.de>
12885 Diego Novillo <dnovillo@redhat.com>
12887 * tree-pass.h (TODO_remove_unused_locals): Define.
12888 * gimple-low.c (expand_var_p, remove_useless_vars,
12889 pass_remove_useless_vars): Remove. Update all users.
12890 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12891 (remove_unused_locals): New function.
12892 * tree-flow.h (remove_unused_locals): Declare.
12893 * passes.c (execute_todo): Call remove_unused_locals if
12894 TODO_remove_unused_locals is set.
12895 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12896 * tree-ssa-dce.c (pass_dce): Likewise.
12897 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12899 2006-01-05 Richard Guenther <rguenther@suse.de>
12901 * tree-flow.h (struct fieldoff): Decompose field to
12902 type, size and decl.
12903 * tree-ssa-alias.c (create_sft): Take type as parameter.
12904 (create_overlap_variables_for): Store type, size and decl
12905 in the fieldoff structure.
12906 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12907 of struct fieldoff.
12908 (push_fields_onto_fieldstack): Likewise.
12909 (create_variable_info_for): Likewise. Use offset for the
12910 SFT name if the decl is not available.
12912 2006-01-04 Paul Brook <paul@codesourcery.com>
12914 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12916 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12918 * lambda-code.c (can_put_in_inner_loop): Relax
12920 (can_put_after_inner_loop): New function.
12921 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12922 (perfect_nestify): Change to make copies and modify uses.
12924 2006-01-04 Richard Henderson <rth@redhat.com>
12926 Merge from gomp branch:
12927 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12928 via integer constant.
12929 (pragma_lex): Remove.
12930 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12931 rather than parsing it.
12932 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12933 handle_pragma_extern_prefix): Add %< %> quotes.
12934 (registered_pragmas): New.
12935 (c_register_pragma_1): New.
12936 (c_register_pragma): Use it.
12937 (c_register_pragma_with_expansion): Likewise.
12938 (c_invoke_pragma_handler): New.
12939 (init_pragma): Use cpp_register_deferred_pragma directly for
12941 * c-pragma.h (enum pragma_kind): New.
12942 (pragma_handler): New.
12943 (c_invoke_pragma_handler): Declare.
12944 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12946 * c-common.h (c_common_pch_pragma): Update decl.
12947 * Makefile.in (c-parser.o): Update dependencies.
12948 (GTFILES): Add c-pragma.h.
12949 * c-parser.c (struct c_token): Add pragma_kind.
12950 (struct c_parser): Add in_pragma.
12951 (c_lex_one_token): Always initialize keyword and pragma_kind.
12952 Extract data for CPP_PRAGMA.
12953 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12954 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12955 Don't allow CPP_PRAGMA_EOL if in_pragma.
12956 (c_parser_consume_pragma): New.
12957 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12958 (c_parser_skip_to_end_of_parameter): Likewise.
12959 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12960 (c_parser_skip_to_pragma_eol): New.
12961 (c_parser_external_declaration): Handle CPP_PRAGMA.
12962 (c_parser_compound_statement_nostart): Likewise.
12963 (c_parser_statement_after_labels): Likewise.
12964 (c_parser_pragma): New.
12965 (pragma_lex): Likewise.
12966 (c_parser_pragma_pch_preprocess): New.
12967 (c_parser_new): Merge into ...
12968 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12970 2006-01-04 Jeff Law <law@redhat.com>
12973 * tree-cfg.c (bsi_replace): Remove the original statement
12974 from the EH throw statement table.
12976 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12978 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12979 make the prototype extern "C" and add throw ().
12982 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12983 and pos non-negative and pos + len <= 32.
12984 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12985 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12986 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12989 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12990 as well as sizes not multiple of component size.
12993 * function.c (instantiate_expr): New function.
12994 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12995 walk its DECL_VALUE_EXPR with instantiate_expr.
12997 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12998 DW_OP_deref{,_size} if address isn't going to be added.
13000 2006-01-04 Ben Elliston <bje@au.ibm.com>
13002 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13003 * config/fp-bit.c: Likewise.
13005 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13007 * dominance.c: Add comment about why we use DFS numbering
13010 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13011 Richard Henderson <rth@redhat.com>
13013 Merge from gomp-branch:
13014 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13015 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13017 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13019 PR rtl-optimization/25578
13020 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13021 pass a parameter to simplify_shift_const if changing ASHIFTRT
13024 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13026 * builtins.c (get_builtin_sync_mem): New function.
13027 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13028 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13029 Call get_builtin_sync_mem to generate mem rtx.
13031 2006-01-03 Richard Guenther <rguenther@suse.de>
13034 * stmt.c (add_case_node): Make sure to clear overflow flags
13037 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13039 Merge from gomp-branch.
13040 * config/sparc/sync.md: New file.
13041 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13042 UNSPECV_LDSTUB): New constants.
13043 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13044 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13045 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13048 2006-01-03 Roger Sayle <roger@eyesopen.com>
13050 * combine.c (reg_subword_p): New predicate to test whether the
13051 destination of a set refers to a subword/piece of a register.
13052 (try_combine): Generalize the code to merge the setting of a
13053 pseudo to a constant followed by a set of a subword of that
13054 register to a constant.
13056 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13058 * basic-block.h (control_flow_graph): Change the type of
13059 x_label_to_block_map to VEC(basic_block,gc) *.
13060 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13061 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13063 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13064 VEC(basic_block,heap) *.
13065 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13066 ssa_prop_fini): Adjust the uses of cfg_blocks.
13068 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13070 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13072 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13073 hashing trees instead of a pointer hash.
13074 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13075 compare for MEM_EXPR.
13077 PR rtl-optimization/25130
13078 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13079 when comparing MEMs for GCSE
13081 2006-01-03 Ben Elliston <bje@au.ibm.com>
13083 * targhooks.h (default_decimal_float_supported_p): Declare.
13084 * targhooks.c (default_decimal_float_supported_p): Define.
13085 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13086 `default_decimal_float_supported_p'.
13087 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13089 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13091 * combine.c (apply_distributive_law <SUBREG>): Check
13092 TRULY_NOOP_TRUNCATION.
13094 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13096 * dwarf2out.c (have_switched_text_section): Delete.
13097 (have_multiple_function_sections): New.
13098 (have_location_lists): Make 'bool'.
13099 (add_AT_loc_list): Use 'true' not '1'.
13100 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13101 (output_loc_list): Use have_multiple_function_sections.
13102 (output_ranges): Likewise.
13103 (dwarf2out_begin_function): Set have_multiple_function_sections if
13105 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13106 Check function_section rather than DECL_SECTION_NAME.
13107 (dwarf2out_finish): Use have_multiple_function_sections.
13108 Don't clear have_location_lists.
13110 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13111 Jan Hubicka <jh@suse.cz>
13113 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13114 case of conditional jump jumping to the next instruction.
13115 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13116 cases of conditional jump jumping to the next instruction.
13118 2006-01-02 Jan Hubicka <jh@suse.cz>
13120 * i386.c (*_cost): Add COSTS_N_INSNS.
13121 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13123 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13126 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13128 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13130 * config/arm/arm.c (all_fpus): Fix comment typo.
13131 * config/darwin.c: Likewise.
13132 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13133 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13134 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13136 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13138 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13139 (rs6000_split_compare_and_swapqhi): New.
13140 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13141 (sync_compare_and_swapqhi_internal): New.
13142 * config/rs6000/rs6000-protos.h: Declare.