1 2006-07-04 Peter O'Gorman <peter@pogma.com>
3 * mklibgcc.in: chmod 644 before ranlib during install.
5 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6 J"orn Rennecke <joern.rennecke@st.com>
8 * configure.ac (.eh_frame data check): Use diff -b.
10 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
13 * Makefile.in (BUILD_RTL): Add build/vec.o.
14 (build/gencondmd.o): Filter out -fkeep-inline-functions.
15 (build/genextract): Delete.
16 (build/genautomata): Likewise.
18 2006-07-04 Alan Modra <amodra@bigpond.net.au>
21 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
22 128-bit IBM long doubles for ABI_V4.
24 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
26 * tree.c (range_in_array_bounds_p): New predicate.
27 * tree.h (range_in_array_bounds_p): Declare it.
28 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
29 return a less conservative answer.
30 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
32 (IS_ELEMENT_FOR_GROUP): New macro.
33 (FOR_EACH_ACTUAL_CHILD): Likewise.
34 (next_child_for_group): New helper function.
35 (can_completely_scalarize_p): Take into account groups.
36 (sra_hash_tree): Handle RANGE_EXPR.
37 (sra_elt_eq): Likewise.
38 (lookup_element): Be prepared for handling groups.
39 (is_valid_const_index): Delete.
40 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
41 instead of is_valid_const_index.
42 <ARRAY_RANGE_REF>: New case.
43 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
45 <ARRAY_RANGE_REF>: Do not unconditionally punt.
46 (scan_dump): Dump info for groups too.
47 (decide_instantiation_1): Likewise.
48 (decide_block_copy): Assert that the element is not a group.
49 Propagate decision to groups.
50 (generate_one_element_ref): Handle RANGE_EXPR.
51 (mark_no_warning): Iterate over actual childs.
52 (generate_copy_inout): Likewise.
53 (generate_element_copy): Likewise.
54 (generate_element_zero): Likewise.
55 (generate_element_init_1): Likewise.
56 (dump_sra_elt_name): Handle RANGE_EXPR.
58 2006-07-03 Roger Sayle <roger@eyesopen.com>
60 PR tree-optimization/26251
61 * tree-ssa-threadupdate.c (redirection_block_p): New function.
62 (thread_block): When optimizing for size refuse to thread jumps
63 that would require duplication of blocks other than redirection
66 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
68 * configure.ac: Fix thinko in previous check-in.
69 * configure: Regenerate.
71 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
74 * configure.ac (for lang...): Simplify nesting of conditionals.
75 Test subdir_requires for non-enabled languages. Move processing
76 of lang_opt_files and lang_tree_fiels below that test.
77 * configure: Regenerate.
78 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
80 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
82 * doc/gcov.texi (Invoking Gcov): Add a missing word.
84 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
86 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
89 2006-06-29 Jason Merrill <jason@redhat.com>
96 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
97 * c-common.c (c_determine_visibility): Handle it here.
98 * c-decl.c (finish_decl): Call c_determine_visibility for
100 * flags.h (enum symbol_visibility): Sort from most to least visibility.
102 * varasm.c (default_assemble_visibility): Likewise.
103 * c-common.c (handle_visibility_attribute): Complain about trying
104 to give visibility to an already defined class, or trying to change
105 declared visibility. Always attach the attribute.
110 * attribs.c (decl_attributes): Ignore type-in-place attributes
111 once the type has been defined.
113 2006-06-29 Roger Sayle <roger@eyesopen.com>
116 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
117 to indicate the cpplib has issued an error message for us.
119 2006-06-29 Asher Langton <langton2@llnl.gov>
122 * config/i386/i386.c (ix86_output_function_epilogue): Don't
123 insert a label at the end of an function under Mach-O.
125 2006-06-29 Eric Christopher <echristo@apple.com>
126 Evan Cheng <evan.cheng@apple.com>
128 * predicates.md (vector_all_ones_operand): New.
129 (nonimmediate_or_sse_const_operand): Ditto.
130 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
131 * config/i386/i386.c (standard_sse_constant_opcode): Define.
132 (standard_sse_mode_p): Ditto.
133 (standard_sse_constant_p): Add case for -1 vector.
134 (ix86_expand_vector_move): Try to use.
135 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
136 Call standard_sse_constant_opcode.
137 (*movv4sf_internal): Ditto.
138 (*movv2df_internal): Ditto.
140 2006-06-29 Roger Sayle <roger@eyesopen.com>
142 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
143 of XEXP to extract the operands of a MATCH_CODE rtx.
145 2006-06-28 Andrew Pinski <pinskia@gmail.com>
147 * tree.c (tree_size): Do not waste tail padding in
148 struct tree_string and make the size be the same as
149 build_string will generate.
151 2006-06-28 Jason Merrill <jason@redhat.com>
154 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
155 may_aliases already in the tag's annotations to the bitmap.
157 2006-06-28 Roger Sayle <roger@eyesopen.com>
159 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
161 2006-06-28 Roger Sayle <roger@eyesopen.com>
163 * genpreds.c (generate_switch_p): New function.
164 (add_mode_tests): Push the new mode test down inside an AND expr
165 if this allows the switch-suitable MATCH_CODE to be near the root.
166 (write_match_code_switch): New function to write a MATCH_CODE as
168 (write_predicate_stmts): New function to write a predicate RTX
169 expression as a sequence of statements.
170 (write_one_predicate_function): Use write_predicate_stmts.
171 (write_tm_constrs_h): Likewise.
173 2006-06-26 Fred Fish <fnf@specifix.com>
175 * config/mips/t-sb1: New file.
176 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
179 2006-06-26 DJ Delorie <dj@redhat.com>
181 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
183 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
184 Jayant Sonar <jayants@kpitcummins.com>
185 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
187 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
188 (subsi3, subsi3_1, subsi3_2): New.
189 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
190 * config/m32c/mov.md (SI mov peephole): New.
191 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
192 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
194 2006-06-26 Olivier Hainque <hainque@adacore.com>
196 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
197 a CALL_EXPR target function declaration.
199 2006-06-26 Richard Guenther <rguenther@suse.de>
201 * tree.c (build_string): Do not waste tail padding in
204 2006-06-26 Richard Guenther <rguenther@suse.de>
206 * ggc-page.c (init_ggc): Add missing element to size_lookup
210 2006-06-23 Richard Guenther <rguenther@suse.de>
212 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
213 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
214 alignment requests instead. Add verification code.
215 Add struct tree_function_decl and struct tree_binfo size to
216 extra_order_size_table. Add missing element to size_lookup
219 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
222 * fold-const.c (const_binop): Be prepared for self returning zero.
223 Simplify code handling complex values.
225 2006-06-24 Olivier Hainque <hainque@adacore.com>
227 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
228 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
231 2006-06-24 Olivier Hainque <hainque@adacore.com>
233 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
234 ARRAY_REF, so have the callback called for the low bound expression.
236 2006-06-23 Janis Johnson <janis187@us.ibm.com>
238 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
239 * c-typeck.c (c_common_type): Disallow operations on decimal float
240 types and other float types.
241 * convert.c (convert_to_real): Don't ignore conversions involving
244 2006-06-23 Olivier Hainque <hainque@adacore.com>
246 * tree.c (max_int_size_in_bytes): New function, inspired from
247 code in function.c:assign_temp.
248 * tree.h (max_int_size_in_bytes): Declare.
249 * function.c (assign_temp): Use it.
250 * gimplify.c (create_tmp_var): Relax the assertions on the type
251 properties, not mandating constant size any more.
252 (force_constant_size): New static function.
253 (gimple_add_tmp_var): Use it, forcing variable size to a
254 constant upper bound if it is not constant on entry.
256 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
259 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
260 for initialization and setting of one_only flag to ...
261 (i386_pe_encode_section_info): ...here.
262 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
263 Recheck that the symbol has not been defined.
265 2006-06-23 Richard Guenther <rguenther@suse.de>
267 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
268 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
269 alignment requests instead. Add verification code.
270 Add struct tree_function_decl and struct tree_binfo size to
271 extra_order_size_table. Add missing element to size_lookup
274 2006-06-22 Roger Sayle <roger@eyesopen.com>
275 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
278 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
279 call to lang_hooks.types.type_for_mode returned NULL_TREE.
281 2006-06-23 Ben Elliston <bje@au.ibm.com>
283 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
284 negate dn -- manipulate it directly.
286 2006-06-22 Roger Sayle <roger@eyesopen.com>
287 Steven Bosscher <stevenb.gcc@gmail.com>
290 * reload1.c (gen_reload): Call mark_jump_label on the new insns
291 generated by gen_move_insn to add REG_LABEL notes if necessary.
293 2006-06-22 Bob Wilson <bob.wilson@acm.org>
295 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
296 (leaf_entry): Remove use of MIN_ESA.
298 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
300 PR rtl-optimization/28121
301 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
304 2006-06-21 DJ Delorie <dj@redhat.com>
306 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
308 (mulhisi3_r): Likewise.
310 2006-06-21 Richard Sandiford <richard@codesourcery.com>
313 * coverage.c (coverage_counter_alloc): Leave the index type
315 (coverage_counter_alloc): Use null arguments for operands 2 and 3
318 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
320 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
321 section from the "Options for Code Generation Conventions".
323 2006-06-21 Richard Henderson <rth@redhat.com>
327 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
329 (global_symbolic_operand): Allow weak symbols, even if local_p.
331 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
333 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
334 (find_interesting_uses_address): Punt if above function returns true.
336 2006-06-21 Richard Guenther <rguenther@suse.de>
338 * configure: Regenerated.
340 2006-06-21 Joseph Myers <joseph@codesourcery.com>
342 * config/mips/mips.c (function_arg): Where one part of a
343 complex argument is in registers and the other part in the stack,
344 return a REG not a PARALLEL.
346 2006-06-21 Mark Mitchell <mark@codesourcery.com>
348 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
349 when cross-compiling. Do not substitute libstdcxx_incdir.
350 * configure: Regenerated.
352 2006-06-21 Jakub Jelinek <jakub@redhat.com>
354 * varasm.c (mergeable_string_section): Check for embedded NULs and
355 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
356 rather than TREE_STRING_LENGTH bytes.
358 2006-06-21 Richard Guenther <rguenther@suse.de>
360 * ggc-page.c (extra_order_size_table): Add var_ann_d,
361 tree_ssa_name, bitmap_element and phi_node with 4 arguments
364 2006-06-21 Richrad Guenther <rguenther@suse.de>
366 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
367 Limit iteration over the dominators.
369 2006-06-20 Roger Sayle <roger@eyesopen.com>
371 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
372 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
374 2006-06-20 Richard Guenther <rguenther@suse.de>
375 Michael Matz <matz@suse.de>
377 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
379 * alloc-pool.c (free_alloc_pool_if_empty): New function.
380 * et-forest.h (et_free_pools): Prototype new function.
381 * et-forest.c (et_free_tree_force): Free parent occurrence.
382 (et_free_pools): New function.
383 * dominance.c (free_dominance_info): Free et-forest alloc
386 2006-06-20 Roger Sayle <roger@eyesopen.com>
388 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
389 integer modes, attempt to directly construct an integer constant.
391 * fold-const.c (native_encode_vector): Determine the size of each
392 element from the vector type instead of the first vector element.
394 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
395 if all of its elements/components are constant.
396 (build_constructor_from_list): Likewise.
398 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
400 PR tree-optimization/27331
401 * tree-data-ref.c (free_data_ref): New function.
402 (create_data_ref): Fail if the data reference has unknown access
404 (free_data_refs): Use free_data_ref.
406 2006-06-19 Andrew Pinski <pinskia@gmail.com>
409 * tree-inline.c (setup_one_parameter): Strip useless
410 type conversion before adding it to the IR.
411 (declare_return_variable): Likewise.
413 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
416 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
418 2006-06-19 Mike Stump <mrs@apple.com>
420 * tree.c (variably_modified_type_p): VM arguments don't make the
423 2006-06-19 Richard Guenther <rguenther@suse.de>
425 * tree-ssa-pre.c (try_combine_conversion): Strip useless
426 type conversions after folding.
428 2006-06-19 Richard Guenther <rguenther@suse.de>
430 * ggc-page.c (extra_order_size_tab): Add entries with
431 size of struct function and basic_block.
432 (size_lookup): Extend to cover sizes up to 511.
433 (ggc_alloc_stat): Adjust user.
434 (ggc_pch_count_object): Likewise.
435 (ggc_pch_alloc_object): Likewise.
436 (ggc_pch_write_object): Likewise.
438 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
440 * tree-ssa-loop-niter.c (implies_ge_p): New function.
441 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
444 2006-06-19 Denis Chertykov <denisc@overta.ru>
446 * config/avr/libgcc.S : Correct my wrong previous commit.
448 2006-06-19 Roger Sayle <roger@eyesopen.com>
451 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
452 have stripped a SUBREG from the shift count, so we may need to
453 convert_to_mode back to the type's mode before calling make_tree.
454 Use new_amount instead of amount to avoid expanding a tree twice.
456 2006-06-19 Richard Guenther <rguenther@suse.de>
459 * fold-const.c (operand_equal_p): Check if the argument types
460 have the same precision before stripping NOPs.
462 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
464 Fix PR tree-optimization/27341
465 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
467 * tree-complex.c (pass_lower_complex): Update SMT usage.
469 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
471 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
472 Add a new alternative to the constraint strings. Add move of
473 operand 1 to 3 to the splitter definition.
474 ("doloop_si_long"): Second contraint alternative removed.
476 2006-06-08 Anatoly Sokolov <aesok@post.ru>
478 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
479 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
481 (AVR_HAVE_MOVW) Define.
482 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
483 (ASM_SPEC): Add avr25.
484 (LINK_SPEC): Add avr25.
485 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
486 (base_arch_s): Add new member 'have_movw_lpmx'.
487 (avr_arch_types): Init 'have_movw_lpmx'.
488 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
489 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
490 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
491 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
492 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
494 (avr_file_start): Do not output '.arh' derective.
495 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
496 (__do_copy_data): Use __AVR_HAVE_LPMX__.
497 * config/avr/avr.md (mcu_enhanced): Delete.
498 (mcu_have_movw): Define.
499 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
500 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
501 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
502 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
503 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
504 attiny861 and at86rf401 devices.
506 2006-06-18 Jie Zhang <jie.zhang@analog.com>
508 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
511 2006-06-17 Karl Berry <karl@gnu.org>
513 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
514 doc/gccint.texi, doc/install.texi (@dircategory): Use
515 "Software development" instead of "Programming", following
516 the Free Software Directory.
518 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
520 * config/i386/i386.c (legitimate_tls_address)
521 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
522 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
523 (*tls_dynamic_gnu2_combine_64): Likewise.
525 2006-06-16 Richard Guenther <rguenther@suse.de>
528 * fold-const.c (negate_expr_p): Do not introduce undefined
529 overflow in negating INTEGER_CSTs.
530 (fold_negate_expr): Rename from negate_expr. Revert last
531 change for folding BIT_NOT_EXPR. Change semantics to
532 return NULL_TREE for non-simplified negations. Do not
533 strip type conversions and unify type handling.
534 (negate_expr): New function, wrap around fold_negate_expr
535 but ensure building a tree always. Strip type conversions
536 here, fold to result type.
537 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
539 2006-06-16 Roger Sayle <roger@eyesopen.com>
542 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
543 that (would) return their results in stack registers.
545 2006-06-16 Michael Matz <matz@suse.de>
546 Richard Guenther <rguenther@suse.de>
548 * fold-const.c (fold_truthop): Only return new tree node if
549 we canonicalized something.
551 2006-06-16 Richard Guenther <rguenther@suse.de>
553 * function.h (enum function_frequency): Move declaration
554 out of struct function.
555 (struct function): Move bool fields and the enum to the bitfield
556 section. Reorder elements to avoid padding. Remove unused
557 fields left over from the RTL inliner removal.
558 * function.c (free_after_compilation): Do not zero removed fields.
559 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
560 (ipa-type-escape.o): Likewise.
562 2006-06-16 Richard Guenther <rguenther@suse.de>
564 * cgraph.h (struct cgraph_local_info): Turn bool elements
566 (struct cgraph_node): Likewise.
567 (struct cgraph_varpool_node): Likewise.
569 2006-06-15 Richard Guenther <rguenther@suse.de>
571 * fold-const.c (fold_truth_not_expr): Rename from
572 invert_truthvalue. Give it fold_* semantics to avoid
574 (invert_truthvalue): New function. Wrapper around
576 (optimize_minmax_comparison): Avoid creating garbage.
577 (fold_unary): Use fold_truth_not_expr for folding
579 (fold_ternary): Replace uses of invert_truthvalue with
580 fold_truth_not_expr where applicable.
581 * tree.h (fold_truth_not_expr): Prototype.
583 2006-06-16 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/27781
586 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
587 * ipa-pure-const.c (target.h): Include.
588 (analyze_function): Do not analyze functions that do not
591 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
594 * tree-dfa.c (referenced_vars_dup_list): Remove.
595 (find_referenced_vars): Remove assert.
596 (referenced_var_check_and_insert): Replace dup list with assert.
597 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
598 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
600 2006-06-15 Richard Guenther <rguenther@suse.de>
602 * tree-ssa-structalias.c (alias_get_name): Avoid creating
603 extra unused identifiers if not dumping.
604 (create_variable_info_for): Likewise.
606 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
608 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
609 (derive_constant_upper_bound): Derive more precise upper bound in
610 common cases. Return type changed to double_int.
611 (record_estimate): Reflect the changed return type of
612 derive_constant_upper_bound.
613 * double-int.c (double_int_zext, double_int_sext): Fix.
615 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
617 * configure.ac (CFLAGS): Get them from the toplevel or from the
618 configure invocation.
619 * configure: Regenerate.
620 * Makefile.in (CFLAGS): Substitute value provided by configure.
622 2006-06-14 Mark Mitchell <mark@codesourcery.com>
625 * c-common.h (c_finish_omp_atomic): Adjust declaration.
626 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
627 rather than calling add_stmt on it.
628 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
630 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
633 * reload1.c (reload): Remove registers returned by update_eliminables
634 from used_spill_regs.
636 2006-06-13 DJ Delorie <dj@redhat.com>
638 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
640 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
642 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
643 html__strip_dir, html__mkdir_p. Enhance install-html target.
644 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
645 * configure: Regenerate.
647 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
649 * fold-const.c (fold_cond_expr_with_comparison): Check for
650 Objective-C++ as language in deciding COND_EXPR transformation.
652 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
655 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
656 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
657 * config/sh/lib1funcs.h (SL, SL1): Define.
658 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
659 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
660 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
661 (OBJS_Os_4_200): New variable.
662 ($(T)libgcc-Os-4-200.a): Use it.
663 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
664 when dividing 1 and/or by 0.
666 2006-06-13 Roger Sayle <roger@eyesopen.com>
668 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
669 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
670 * configure: Regenerate.
672 2006-06-13 Jie Zhang <jie.zhang@analog.com>
674 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
675 for real instruction.
677 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
680 * haifa-sched.c (check_cfg): Handle special case.
682 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
685 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
686 Add debug_info parameter. Chain the vars to the BLOCK instead
687 of the BIND_EXPR if debug info are requested for them.
688 (pop_gimplify_context): Adjust for above change.
689 (gimple_add_tmp_var): Likewise.
690 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
692 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
693 (convert_local_reference): Likewise.
694 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
695 (finalize_nesting_tree_1): Request that debug info be emitted
698 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
700 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
703 2006-06-13 Richard Guenther <rguenther@suse.de>
706 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
708 2006-06-13 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/27830
711 * tree-inline.c (copy_body_r): For copying the operand
712 of an ADDR_EXPR make sure to fold &* afterwards.
714 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
716 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
717 lvalues in the fb_none case with side-effects.
719 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
721 * tree-flow.h: Remove the prototype for
722 compute_phi_arg_on_exit.
723 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
724 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
727 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
729 * builtins.c (expand_builtin_return_addr): Only use
730 frame_pointer_rtx when count == 0 and we are expanding
731 __builtin_return_address.
733 2006-06-12 Fred Fish <fnf@specifix.com>
735 * config/mips/mips.c (mips_file_start): Create special section
736 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
738 2006-06-11 Eric Christopher <echristo@apple.com>
741 * stor-layout.c (place_field): Remove check for
742 remaining_in_alignment when aligning at the end of a run.
744 2006-06-11 Eric Christopher <echristo@apple.com>
747 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
750 2006-06-11 Roger Sayle <roger@eyesopen.com>
753 Revert incorrect fix for PR target/27158
754 2006-05-08 Roger Sayle <roger@eyesopen.com>
755 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
756 of a reg_equiv_constant if the result is a legitimate constant.
758 2006-06-11 Roger Sayle <roger@eyesopen.com>
761 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
762 extract a CONST_VECTOR element and interpret it as an integer.
763 (vspltis_constant): Use const_vector_elt_as_int instead of the
764 macro CONST_VECTOR_ELT in order to handle FP vector modes.
765 * config/rs6000/predicates.md (easy_vector_const): Consider
766 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
768 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
771 * stor-layout.c (update_alignment_for_field): Don't add extra
772 alignment for packed non-bitfield fields in ms_bitfield_layout_p
775 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
777 * config/mips/t-rtems: Add EL/EB multilib variants.
779 2006-06-09 Mike Stump <mrs@apple.com>
781 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
783 2006-06-09 David Daney <ddaney@avtrex.com>
785 * doc/install.texi: Add binutils version recommendation for mips-*-*.
787 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
789 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
791 2006-06-09 Richard Guenther <rguenther@suse.de>
793 PR tree-optimization/26998
794 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
795 of signed types, only TYPE_MIN_VALUE is special, but for both,
796 minimum and maximum value. Likewise VR_ANTI_RANGE is special
797 in this case, as is -fwrapv.
799 2006-06-08 Mike Stump <mrs@apple.com>
802 * config/darwin.c (darwin_asm_output_anchor): Disable
803 -fsection-anchors on darwin for now.
804 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
805 * rs6000/rs6000.c (optimization_options): Likewise.
807 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
810 * config/i386/i386.c (classify_argument): Skip fields with invalid
813 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
815 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
816 (cse_insn): Likewise for the stack_pointer_rtx.
818 2006-06-08 Roger Sayle <roger@eyesopen.com>
820 * tree-ssa-dom.c (record_conditions): Only record "unordered"
821 conditions from floating point comparisons.
823 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
826 * expmed.c (struct alg_hash_entry): Fix type of field T
827 to match synth_mult argument.
828 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
830 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
833 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
836 2006-06-08 Richard Guenther <rguenther@suse.de>
839 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
840 only, if overflow is defined and not trapping.
841 (negate_expr): Likewise.
843 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
845 PR tree-optimization/27872
846 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
847 flag on the new exit edge of the unrolled loop.
849 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
851 PR rtl-optimization/26449
852 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
854 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
857 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
858 referenced_variables with matching DECL_UID's.
859 (find_referenced_vars): Make sure duplicate list is empty to start.
860 (referenced_var_p): Remove.
861 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
862 Check if var is in the list, and add if needed. Update the duplicate
863 list if a different var is in the list with the same DECL_UID.
864 (add_referenced_var): Call routine to check and insert.
865 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
866 * tree-flow.h (referenced_vars_dup_list): External declaration.
868 2006-06-07 Fred Fish <fnf@specifix.com>
870 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
873 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
876 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
877 the imaginary and real parts of a clobbered register.
878 Emit insn to set the imaginary part.
880 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
882 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
883 in lieu of unwind-dw2-fde.c.
885 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
887 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
889 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
892 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
893 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
894 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
895 V4SImode temporaries and operations instead.
897 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
899 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
902 2006-06-06 Mike Stump <mrs@apple.com>
904 * Makefile.in: Rename to htmldir to build_htmldir to avoid
905 installing during build.
907 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
909 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
911 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
912 * config/ia64/ia64.c (params.h): New header.
913 (ia64_optimization_options): New function to adjust parameters.
914 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
915 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
916 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
918 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
920 * stor-layout.c (debug_rli): Fix a typo in a debug message.
922 2006-06-05 Steve Ellcey <sje@cup.hp.com>
925 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
927 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
928 Victor Kaplansky <victork@il.ibm.com>
930 PR tree-optimization/26360
931 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
934 2006-06-04 Roger Sayle <roger@eyesopen.com>
935 Andrew Pinski <pinskia@physics.uc.edu>
938 * c-common.c (c_common_truthvalue_conversion): Explicitly check
939 for LABEL_DECL before calling DECL_WEAK.
942 * c-typeck.c (build_binary_op): Likewise, explicitly check for
943 LABEL_DECL and PARM_DECL.
945 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
949 * c-decl.c (grokdeclarator): Disallow variably modified types at
950 file scope. Avoid marking shared array type of constant size as
953 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
956 * c-common.c (fold_offsetof_1): Handle static members.
958 2006-06-04 Eric Christopher <echristo@apple.com>
960 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
961 (debug_rli): Output value for remaining_in_alignment.
962 (update_alignment_for_field): Unconditionalize
963 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
964 extra alignment code.
965 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
966 ms_bitfield_layout_p code. Rewrite handling of structure fields.
967 * tree.h (record_layout_info_s): Remove prev_packed.
968 * doc/extend.texi (ms_struct): Add documentation of format.
970 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
972 * tree.h: Declare folding_initializer.
973 * builtins.c (fold_builtin_constant_p): Give definite answer
974 if folding inside an initializer.
975 * fold-const.c: Define folding_initializer.
976 (START_FOLD_INIT): Save and then set folding_initializer.
977 (END_FOLD_INIT): Restore folding_initializer.
979 2006-06-04 Richard Guenther <rguenther@suse.de>
981 PR tree-optimization/27039
982 * fold-const.c (fold_comparison): Handle pointer comparison
983 again for all comparison codes. Compare offsets in signed
985 (fold_binary): Move code from here.
987 2006-06-03 Roger Sayle <roger@eyesopen.com>
990 * config/i386/i386.c (construct_container): Split static issued_error
991 flag into issued_sse_arg_error, issued_sse_ret_error and
992 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
993 requires the use of x87 registers and the user explicitly
994 specified the -mno-80387 command line option.
996 2006-06-02 Geoffrey Keating <geoffk@apple.com>
998 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
999 HAVE_DECL_SIGALTSTACK.
1001 (segv_handler): Use MC_FLD.
1002 * configure.ac: Check for a sigaltstack declaration.
1003 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1004 * configure: Regenerate.
1005 * config.in: Regenerate.
1007 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1010 * Makefile.in (stmp-fixinc): Fix typo.
1012 2006-06-02 Roger Sayle <roger@eyesopen.com>
1014 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1015 are type correct. Clean-up.
1016 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1017 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1019 2006-06-01 DJ Delorie <dj@redhat.com>
1021 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1022 shift, as we've disabled the "switch" insn that needs it.
1024 2006-06-01 Per Bothner <bothner@bothner.com>
1026 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1027 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1028 * c-ppoutput.c (cb_define): Don't increment line 0.
1030 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1032 * doc/invoke.texi: Add cpu_type power6.
1033 * config.gcc: Add cpu_type power6.
1034 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1035 to power5+ with Altivec.
1036 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1037 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1039 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1041 * config/avr/avr.h (SET_ASM_OP): Define.
1043 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1045 * config/bfin/bfin.c: Fix comment typos.
1047 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1050 * doc/install.texi: Document --enable-bootstrap and
1051 --disable-bootstrap.
1053 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1055 * doc/install.texi: Document that InfoZIP can replace jar.
1057 2006-05-31 Roger Sayle <roger@eyesopen.com>
1059 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1060 isn't available, directly generate the simpler x87 patterns without
1061 the (use (const_int 0)).
1062 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1063 implementation isn't available.
1064 (*negdf2_1): Likewise.
1065 (*negxf2_1): XF mode negation is always done using the x87.
1066 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1068 2006-05-31 Roger Sayle <roger@eyesopen.com>
1070 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1071 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1073 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1075 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1077 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1078 * config/bfin/bfin.c (basic-block.h): Include.
1079 (struct machine_function): New.
1080 (bfin_init_machine_status): New.
1081 (override_options): Initialize init_machine_status.
1082 (bfin_hardware_loop): New.
1083 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1084 (DEF_VEC_P (loop_info)): New.
1085 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1086 (struct loop_info): New.
1087 (loop_info): New typedef.
1088 (struct loop_work): New.
1089 (loop_work): New typedef.
1090 (DEF_VEC_O (loop_work)): New.
1091 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1092 (bfin_dump_loops): New.
1093 (bfin_bb_in_loop): New.
1094 (bfin_scan_loop): New.
1095 (bfin_optimize_loop): New.
1096 (bfin_reorg_loops): New.
1097 (bfin_reorg): Use bfin_reorg_loops.
1098 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1100 (I_REGNO_P): Simplify.
1101 (DP_REGNO_P, DPREG_P): New macros.
1102 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1103 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1104 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1105 Add LT_REGS, LC_REGS, LB_REGS.
1106 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1108 (REGNO_REG_CLASS): Deal with loop registers.
1109 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1111 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1112 New constants for loop registers.
1113 (UNSPEC_LSETUP_END): New.
1114 (seq_insns): New define_attr. Set it for appropriate insns.
1115 (movsi_insn): Add alternatives for move from/to
1116 loop count registers.
1117 (doloop_end): New define_expand.
1118 (loop_end): New define_insn.
1119 (define_split for bad doloop_end): New.
1120 (lsetup_with_autoinit): New define_insn.
1121 (lsetup_without_autoinit): New define_insn.
1122 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1123 * config/bfin/predicates.md (lc_register_operand): New.
1124 (lt_register_operand): New.
1125 (lb_register_operand): New.
1126 (nondp_register_operand): New.
1127 (nondp_reg_or_memory_operand): New.
1128 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1130 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1132 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1133 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1135 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1137 * Makefile.in (CATALOGS): Add po/ prefix.
1138 * configure: Regenerated.
1140 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1143 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1144 a shift operand before calling shift_op. Avoid redundant call of
1147 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1148 DJ Delorie <dj@redhat.com>
1150 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1151 we're inserting is a singlt-bit constant.
1153 2006-05-30 Roger Sayle <roger@eyesopen.com>
1155 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1156 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1158 2006-05-30 Roger Sayle <roger@eyesopen.com>
1160 PR tree-optimization/23452
1161 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1162 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1163 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1164 complex values and with -ffast-math for FP complex values.
1166 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1168 * c-common.h: Remove the prototype for yyparse.
1169 * rtl.h: Remove the prototype for init_loop.
1171 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1173 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1176 2006-05-30 Roger Sayle <roger@eyesopen.com>
1178 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1180 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1181 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1183 2006-05-30 Dirk Mueller <dmueller@suse.de>
1186 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1187 for CONSTANT_CLASS_P expresisons.
1189 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1192 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1194 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1196 PR tree-optimization/27779
1197 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1198 initial_condition instead of CHREC_LEFT.
1200 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1202 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1203 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1204 Make prototypes ISO C90.
1206 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1207 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1209 * see.c (see_analyze_one_def): Correct check.
1210 (see_get_extension_data): Check if extension is parallel.
1211 (see_get_extension_reg): Likewise.
1213 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1216 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1217 into register for (code == GTU).
1219 2006-05-29 Roger Sayle <roger@eyesopen.com>
1221 PR tree-optimization/24964
1222 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1223 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1224 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1225 abs(x)*abs(x) as x*x for scalar floating point modes.
1227 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1230 * lambda-code.c (perfect_nestify): Don't copy statements
1231 in the inner loop: move them to the inner loop header.
1233 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1236 * c-tree.texi: Document OpenMP directives and clauses.
1238 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1240 * varasm.c (globalize_decl): Fix indentation.
1242 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1245 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1246 pass_fre, pass_store_ccp, pass_copy_prop,
1247 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1248 pass_return_slot, pass_object_size, pass_lim,
1249 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1250 pass_loop_prefetch and pass_stdarg.
1252 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1254 * config/bfin/bfin.opt (mfdpic): New option.
1255 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1256 (EXTRA_MULTILIB_PARTS): Likewise.
1257 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1258 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1260 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1261 (CRT_CALL_STATIC_FUNCTION): New.
1262 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1264 (CRT_CALL_STATIC_FUNCTION): New.
1265 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1267 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1268 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1269 (initialize_trampoline): Changed to handle FD-PIC code generation.
1270 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1271 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1272 (override_options): Disallow -mid-shared-library -mfdpic combination.
1273 Can't do unaligned ops if FD-PIC.
1274 Turn off flag_pic if trying to generate non-id-shared-library
1275 non-fdpic code, since it's not supported.
1276 (bfin_assemble_integer): New function.
1277 (TARGET_ASM_INTEGER): Define.
1278 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1280 * config/bfin/crtn.s: Restore them.
1281 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1283 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1284 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1285 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1286 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1287 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1289 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1290 FDPIC_REGS and FDPIC_FPTR_REGS.
1291 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1292 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1293 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1294 (load_funcdescsi): New pattern.
1295 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1296 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1297 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1299 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1301 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1304 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1306 * tree-flow.h: Remove the prototype for add_type_alias.
1307 * tree-ssa-alias.c (add_type_alias): Remove.
1309 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1311 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1312 config/fr30/fr30.md, config/i386/i386-interix.h,
1313 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1314 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1315 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1316 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1317 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1318 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1319 Follow spelling conventions.
1320 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1321 Follow spelling conventions.
1323 2006-05-27 Richard Guenther <rguenther@suse.de>
1326 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1327 to produce a constant of value 1 of generic type.
1329 2006-05-27 Dirk Mueller <dmueller@suse.de>
1331 * cgraphunit.c (decide_is_function_needed): Fix wrong
1334 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1336 PR rtl-optimization/27661
1337 * reload.c (find_reloads): When reloading a VOIDmode constant
1338 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1339 use Pmode as mode of the reload register.
1341 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1343 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1344 is enabled at -O and above.
1346 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1349 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1352 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1355 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1356 for anonymous variables explicitly declared by front ends.
1358 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1360 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1361 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1362 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1363 ref-all pointers, run a finalization pass for them.
1364 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1365 (finalize_ref_all_pointers): New function.
1366 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1367 regular pointer type to a ref-all pointer type.
1368 (get_tmt_for): Return the special memory tag for ref-all pointers.
1370 2006-05-25 Richard Guenther <rguenther@suse.de>
1373 * fold-const.c (fold_binary): Do not look at the stripped
1374 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1376 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1378 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1379 for LT and GT if the computed range is effectively empty.
1381 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1384 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1385 mips_quad_format formats instead of ieee_single_format,
1386 ieee_double_format and ieee_quad_format formats, respectively.
1388 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1390 PR tree-optimization/27639
1391 PR tree-optimization/26719
1392 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1393 call to scev_probably_wraps_p.
1394 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1395 used_in_pointer_arithmetic_p, convert_step): Removed.
1396 (nowrap_type_p): New function.
1397 (scev_probably_wraps_p): Rewritten.
1398 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1399 chrec_convert if chrec_convert_aggressive might have been used.
1400 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1401 scev_direction): New functions.
1402 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1403 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1404 instead of convert_step.
1405 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1406 (convert_step): Declaration removed.
1407 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1409 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1411 * df-core.c: Added to header comments.
1412 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1413 df_ur_bb_info, df_urec_bb_info): Added comments.
1414 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1415 urec, ri problems): Fixed header comments.
1416 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1417 code from df_rd_transfer_function.
1419 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1421 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1422 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1423 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1425 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1427 * expr.c (undefined_operand_subword_p): New.
1428 (emit_move_multi_word): Do not generate move from undefined bits
1429 of a paradoxical subreg.
1431 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1433 PR rtl-optimization/27736
1434 * combine.c (replaced_rhs_value): New variable.
1435 (combine_instructions): Set it.
1436 (distribute_notes): When distributing a note in replaced_rhs_insn,
1437 check whether the value was used in replaced_rhs_value.
1439 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1442 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1443 add_referenced_var instead of add_referenced_tmp_var.
1444 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1445 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1447 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1448 tree_optimize_tail_calls_1): Use add_referenced_var.
1449 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1450 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1451 Use add_referenced_var.
1452 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1453 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1454 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1455 Use add_referenced_var.
1456 * tree-dfa.c (struct walk_state): Remove.
1457 (find_referenced_vars): Remove walk state and vars_found hash table.
1458 (make_rename_temp): Use add_referenced_var.
1459 (find_vars_r): Pass less parameters to add_referenced_var.
1460 (referenced_var_p): New. Is var in referenced_var hash table.
1461 (referenced_var_insert): Assert var isn't already in hash table.
1462 (add_referenced_var): Don't need walk_state parameter. Add var if it
1463 isn't already in the hash table.
1464 (add_referenced_tmp_var): Remove.
1465 (find_new_referenced_vars_1): Use add_referenced_var.
1466 * tree-ssa-pre.c (create_expression_by_pieces,
1467 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1468 Use add_referenced_var.
1469 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1470 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1471 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1473 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1474 vect_create_data_ref_ptr, vect_create_destination_var,
1475 vect_init_vector, vect_build_loop_niters,
1476 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1477 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1478 Use add_referenced_var.
1479 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1480 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1481 (add_referenced_var): Add prototype.
1482 * tree-ssa-structalias.c (get_constraint_for,
1483 intra_create_variable_infos): Use add_referenced_var.
1485 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1487 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1488 big-endian paradoxical subregs.
1489 * var-tracking.c (struct micro_operation_def): Document that,
1490 for modify micro operations, insn is the subsequent instruction.
1491 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1492 (var_reg_set, var_mem_set): ... new functions.
1493 (add_stores): Record subsequent insn.
1494 (compute_bb_dataflow): Use new functions for MO_USE.
1495 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1496 notes after the insn, and modify notes before the insn known
1497 to be the subsequent one.
1498 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1500 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1503 * config/i386/i386.c (ix86_expand_builtin): Use
1504 gen_sse3_monitor64 for TARGET_64BIT.
1506 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1508 PR rtl-optimization/26375
1509 PR rtl-optimization/26855
1510 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1512 (df_ru_bb_local_compute): Reversed statements and removed bogus
1513 comment explaining why they should be in wrong order.
1514 (df_ru_dump, df_rd_dump): Enhanced debug info.
1515 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1517 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1518 reaching uses and fixed space problem.
1520 2006-05-23 Jan Hubicka <jh@suse.cz>
1522 * cgraphunit.c (decide_is_function_needed): Also nested functions
1523 and functions declared inline can be optimized out at -O0.
1525 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1527 * doc/install.texi (Configuration): Remove reference to CrossGCC
1531 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1534 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1535 ix86_compare_emitted is non-NULL.
1537 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1540 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1543 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1545 PR rtl-optimization/25514
1546 * combine.c (replaced_rhs_insn): New variable.
1547 (combine_instructions): Set replaced_rhs_insn when trying to replace
1548 a SET_SRC with a REG_EQUAL note.
1549 (distribute_notes): Use replaced_rhs_insn when determining the live
1550 range of a REG_DEAD register.
1552 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1553 Anatoly Sokolov <aesok@post.ru>
1555 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1556 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1557 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1558 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1559 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1560 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1561 at90usb647, at90usb1286 and at90usb1287 devices.
1562 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1563 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1565 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1567 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1569 2006-05-22 Richard Guenther <rguenther@suse.de>
1572 2006-01-31 Richard Guenther <rguenther@suse.de>
1573 Paolo Bonzini <bonzini@gnu.org>
1575 * doc/install.texi (--disable-libgcc-math): Document.
1577 2006-05-22 Richard Guenther <rguenther@suse.de>
1580 2006-01-31 Richard Guenther <rguenther@suse.de>
1582 * doc/invoke.texi (-msselibm): Document.
1583 * target.h (expand_library_builtin): New target hook.
1584 * builtins.c (expand_builtin): Use expand_library_builtin.
1585 (default_expand_library_builtin): New function.
1586 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1587 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1588 (link_gcc_math_spec): Declare.
1589 (static_specs): Add link_gcc_math_spec.
1590 * expr.h (default_expand_library_builtin): Declare.
1591 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1592 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1593 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1594 * config/i386/i386.opt (msselibm): New target option.
1595 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1596 (ix86_init_sse_abi_builtins): New function.
1597 (ix86_expand_library_builtin): Likewise.
1598 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1599 (override_options): Handle error conditions wrt -msselibm.
1600 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1601 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1602 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1605 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1608 * c-common.c (self_promoting_args_p): Skip erroneous args.
1611 * c-decl.c (finish_struct): Skip erroneous fields.
1613 2006-05-22 Nick Clifton <nickc@redhat.com>
1615 * config/cris/cris.opt (march): Remove VarExists attribute.
1616 (max-stackframe=): Likewise.
1618 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1620 * doc/rtl.texi: Fix a typo.
1621 * see.c: Fix comment typos.
1623 * tree-ssa-structalias.h (alias_info): Remove num_references.
1625 2006-05-21 Mike Stump <mrs@apple.com>
1627 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1629 (darwin_pragma_options): Use BAD instead.
1630 (darwin_pragma_unused): Likewise.
1631 (darwin_pragma_ms_struct): Likewise.
1633 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1635 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1637 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1639 PR rtl-optimization/27671
1640 * simplify-rtx.c (simplify_relational_operation_1): Fix
1641 simplifications of (eq/ne (xor x y) y) and
1642 (eq/ne (xor x y) x).
1644 PR tree-optimization/26622.
1645 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1648 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1650 * tree-cfg.c: Prune whitespace.
1651 (debug_tree_cfg): Point to correct header containing the
1654 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1657 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1659 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1662 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1663 or sorry count is non zero.
1665 2006-05-20 Andreas Schwab <schwab@suse.de>
1667 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1669 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1670 Kenneth Zadeck <zadeck@naturalbridge.com>
1672 PR rtl-optimization/26855
1674 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1676 (df_scan_alloc): Added code to properly handle multiword hard
1677 registers and add all_blocks parameter.
1678 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1679 code to properly handle multiword hard registers.
1680 (df_rescan_blocks): Added code to remove deleted blocks from
1682 (df_ref_create_structure, df_ref_record): Added code to properly
1684 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1685 and set DF_REF_PARTIAL.
1686 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1687 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1688 (df_scan_add_problem): Added flags parameter.
1689 (df_ref_create_structure): Changed switching structure.
1690 (df_bb_refs_record): Fixed case where duplicate artificial refs
1691 were created. Changed location of flags.
1692 (df_record_entry_block_defs): Added code to make stack pointer
1693 live in entry block. Refined cases where frame pointer is needed.
1694 Changed location of flags.
1695 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1696 (df_set_state): Removed function.
1697 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1698 df_insn_create_insn_record, df_insn_refs_delete,
1699 df_ref_create_structure): Formatting changes.
1700 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1701 df_delete_basic_block): New function.
1702 (df_init): Changed location of flags.
1703 (df_add_problem): Added flags parameter and the way flags are
1705 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1706 debug_df_chain): Improved debugging output.
1707 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1708 (df_refs_chain_dump): Removed df parameter.
1709 (df_iterative_dataflow): Added consistency check.
1710 (df_prune_to_subcfg): Made public.
1711 (df_analyze_problem): Added blocks_to_init parameter and made
1713 (df_ref_record, df_bb_refs_record, df_mark_reg,
1714 df_record_exit_block_uses): Whitespace changes.
1715 (df_dump): Whitespace changes.
1716 * df.h: Some reordering to remove forward references.
1717 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1718 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1719 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1720 (dataflow.flags): New field.
1721 (df.flag): Deleted field.
1722 (df_alloc_function): Added additional bitmap parameter.
1723 (df_dependent_problem_function): New type.
1724 (df_problem.changeable_flags): New field.
1725 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1726 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1727 (df_mw_hardreg): New struct.
1728 (DF_INSN_UID_MWS): New macro.
1729 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1731 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1732 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1733 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1734 (df_set_state): Removed function.
1735 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1736 * df-problems.c (df_chain_dump): Removed df parameter.
1737 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1738 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1740 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1741 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1742 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1743 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1744 DF_REF_MUST_CLOBBER cases.
1745 (df_ru_bb_local_compute_process_def,
1746 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1747 df_lr_bb_local_compute, df_ur_bb_local_compute,
1748 df_chain_create_bb): Made subreg aware.
1749 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1750 df_lr_bb_local_compute, df_lr_bb_local_compute,
1751 df_chain_create_bb): Cleanup to use proper macros.
1752 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1753 code to fixup bitvectors.
1754 (df_ri_alloc): Cleared lifetime.
1755 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1756 df_create_unused_note): New function.
1757 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1758 REG_DEAD and REG_UNUSED notes as well as register information.
1759 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1760 df_chains_dump): Fixed crash if problem was never run.
1761 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1762 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1763 df_ri_add_problem): Processes flags in uniform manner.
1764 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1765 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1766 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1767 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1768 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1769 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1770 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1771 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1772 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1773 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1774 * see.c (see_initialize_data): Ditto.
1775 * final.c (rest_of_clean_state) Added regstack_completed.
1776 * rtl.h (regstack_completed): Ditto.
1777 * reg-stack.c (regstack_completed): Ditto.
1779 2006-05-19 Mike Stump <mrs@apple.com>
1781 * c-tree.h (default_conversion): Remove.
1782 * c-common.h (default_conversion): Add.
1784 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1786 * tree-vrp.c (valid_value_p): New function.
1787 (adjust_range_with_scev): Fail if the value of bound is not
1790 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1792 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1793 (mips_fallback_frame_state): Use syscall numbers to determine
1794 the appropriate li instruction for the current ABI. Only use
1795 __NR_sigreturn for o32.
1797 2006-05-19 Nicolas Setton <setton@adacore.com>
1799 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1800 * langhooks.c (lhd_dwarf_name): New function.
1801 * langhooks-def.h (lhd_dwarf_name): Declare.
1802 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1803 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1804 * ada/misc.c (gnat_dwarf_name): New function.
1805 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1807 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1809 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1811 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1812 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1813 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1814 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1815 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1816 determine the size of Wtype, etc.
1817 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1818 (swfloatfuncs): New variable.
1819 (dwfloatfuncs): Likewise.
1820 (lib2funcs): Remove floating-point conversion functions from
1821 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1822 the set of conversion routines needed. Allow entries to specify
1823 an object name, filename and word size. Update users accordingly.
1824 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1825 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1829 2006-02-08 Roger Sayle <roger@eyesopen.com>
1832 * config/fixtfdi.c: New libgcc source file.
1833 * config/fixunstfdi.c: New source file.
1834 * config/floatditf.c: New source file.
1835 * config/floatunditf.c: New souce file.
1836 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1837 files above instead of config/mips/_tilib.c.
1838 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1840 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1842 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1843 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1845 2006-05-18 Mike Stump <mrs@apple.com>
1847 Fix up vla, vm and [*] sematics.
1853 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1854 (c_vla_unspec_p): Add.
1855 (c_vla_type_p): Add.
1856 * c-decl.c (struct c_scope): Add had_vla_unspec.
1857 (build_array_declarator): Add support for [*].
1858 (grokdeclarator): Likewise.
1859 (grokparms): Likewise.
1860 (get_parm_info): Likewise.
1861 * c-objc-common.c (c_vla_unspec_p): Likewise.
1862 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1863 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1864 typeof when argument is a variably modified type not inside sizeof or alignof.
1865 (c_parser_direct_declarator_inner): Propagate errors.
1866 (c_parser_sizeof_expression): Add support for [*].
1867 (c_parser_parms_declarator): Initialize had_vla_unspec.
1868 (c_parser_parms_list_declarator): Likewise.
1869 * c-typeck.c (c_vla_type_p): Add.
1870 (composite_type): Add support for vla compositing.
1871 (comptypes_internal): Add support for vla compatibility.
1872 (c_expr_sizeof_expr): Evaluate vla arguments.
1873 * tree.c (variably_modified_type_p): Update comment for [*].
1875 2006-05-18 Michael Matz <matz@suse.de>
1878 * config.host: Make assignments to host_xmake_file cumulative.
1879 * config.host (*-darwin*): Test $host, not $target.
1881 2006-05-12 Stuart Hastings <stuart@apple.com>
1883 * config/i386/i386.opt (-mstackrealign): New flag.
1884 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1885 (ix86_handle_cconv_attribute): Emit error when
1886 force_align_arg_pointer attribute collides with too many regparms.
1887 (ix86_function_regparm): Limit regparms when used with
1888 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1889 Support stack-realigning prologue in non-main functions. Emit
1890 warning for nested functions under -mstackrealign, emit error for
1891 nested functions with force_align_arg_pointer attribute.
1892 * doc/extend.texi (force_align_arg_pointer): Document it.
1893 * doc/invoke.texi (-mstackrealign): Document it.
1895 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1897 PR rtl-optimization/27477
1898 * combine.c (try_combine): Don't split a parallel consisting
1899 of two sets into two individual sets if both sets reference
1902 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1904 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1905 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1907 * doc/options.texi (VarExists): Updated.
1909 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1911 * unwind-dw2.c: Add declarations for uw_update_context and
1913 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1914 detected, advance frame state and context once to skip over stub.
1916 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1920 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1921 Call rewrite_into_loop_closed_ssa only when something changed.
1922 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1923 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1924 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1925 Test for perfect_nest_p here. Fix formating.
1926 (replace_uses_equiv_to_x_with_y): Fix formating.
1927 (stmt_uses_op): Removed.
1928 (can_convert_to_perfect_nest): Removed loopivs parameter.
1929 Complete the test by checking the scalar dependences.
1930 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1933 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1936 From Dan Kegel <dank@kegel.com>:
1937 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1939 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1941 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1942 if the element type is variably modified without recursing.
1944 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1947 * tree-loop-linear.c (try_interchange_loops): Test for
1948 no data dependences.
1950 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1952 PR tree-optimization/27548
1953 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1954 range of ssa names that appear on abnormal edges.
1955 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1956 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1958 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1961 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1963 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1966 * tree.h (OMP_PARALLEL_COMBINED): Define.
1967 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1968 (new_omp_context): Add is_combined_parallel argument.
1969 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1970 new_omp_context caller.
1971 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1972 Adjust gimplify_scan_omp_clauses callers.
1973 (omp_is_private): Issue errors if iteration variable is firstprivate
1974 or reduction in the current context.
1975 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1976 on combined parallel workshare constructs.
1978 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1980 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1981 (gcc-options.o): New rule.
1983 * optc-gen.awk: Protect variables for gcc-options.o with
1984 #ifdef GCC_DRIVER/#endif.
1986 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1988 Fix PR tree-optimization/27373
1989 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1990 (forward_propagate_addr_expr): Update call.
1992 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1994 * doc/options.texi: Move the Negative option.
1996 2006-05-16 Richard Guenther <rguenther@suse.de>
1998 PR tree-optimization/22303
1999 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2001 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2002 ccp_fold did not simplify the statement.
2004 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2007 * Makefile.in (GCC_OBJS): New.
2008 (OBJS-common): Add opts-common.o.
2009 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2010 (cpp$(exeext)): Likewise.
2011 (gcc.o): Also depend on opts.h.
2012 (opts-common.o): New.
2014 * common.opt (gcoff): Add Negative(gdwarf-2).
2015 (gdwarf-2): Add Negative(gstabs).
2016 (gstabs): Add Negative(gstabs+).
2017 (gstabs+): Add Negative(gvms).
2018 (gvms): Add Negative(gxcoff).
2019 (gxcoff): Add Negative(gxcoff+).
2020 (gxcoff+): Add Negative(gcoff).
2021 * config/i386/i386.opt (m32): Add Negative(m64).
2022 (m64): Add Negative(m32).
2024 * doc/options.texi: Document the Negative option.
2026 * gcc.c: Include "opts.h".
2027 (main): Call prune_options after expandargv.
2029 * optc-gen.awk: Generate common declarations for all flag
2030 variables in options.c. Output the neg_index field.
2032 * opts.c (find_opt): Moved to ...
2033 * opts-common.c: Here. New file.
2035 * opts.h (cl_option): Add a neg_index field.
2037 (prune_options): Likewise.
2039 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2042 * omp-low.c (expand_omp_parallel): Don't assert
2043 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2044 instead search for it.
2047 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2050 2006-05-16 Andreas Schwab <schwab@suse.de>
2052 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2055 2006-05-15 Roger Sayle <roger@eyesopen.com>
2058 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2059 integer constants other than zero are only legitimate on TARGET_64BIT.
2060 <CONST_VECTOR> Only zero vectors are legitimate.
2061 (ix86_cannot_force_const_mem): Integral and vector constants can
2062 always be put in the constant pool.
2064 2006-05-16 DJ Delorie <dj@redhat.com>
2066 * crtstuff.c (__dso_handle): Set section from
2067 TARGET_LBIGCC_SDATA_SECTION if defined.
2068 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2069 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2071 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2074 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2077 2006-05-16 Ben Elliston <bje@au.ibm.com>
2079 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2081 2006-05-15 Per Bothner <per@bothner.com>
2083 * tree.c: (last_annotated_node): Use source_locus typedef.
2084 This permits bootstrapping with --enable-mapped-location.
2086 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2088 PR tree-optimization/26830
2089 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2090 (info_for_ssa_name, current_info_for_ssa_name_age,
2091 blocks_to_update): New variables.
2092 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2093 (clear_ssa_name_info, initialize_flags_in_bb,
2094 mark_block_for_update): New functions.
2095 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2096 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2097 prepare_def_site_for): Use mark_block_for_update.
2098 (mark_def_interesting): Assert that the processed block is marked in
2099 blocks_to_update. Do not take blocks argument.
2100 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2102 (rewrite_update_init_block, rewrite_update_stmt): Only process
2103 blocks with statements to rewrite.
2104 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2105 (update_ssa): Initialize and free blocks_to_update. Do not
2106 clear flags on statements. Do not use blocks bitmap.
2107 * tree.h (SSA_NAME_AUX): Removed.
2108 (struct tree_ssa_name): Removed aux field.
2109 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2111 2006-05-15 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/27603
2114 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2115 Do computations in original type.
2117 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2119 * see.c: Code style changes such as redundant paranthesis,
2120 redundant intialization of local variables etc.
2121 (see_main): Declared now as static.
2122 * doc/invoke.texi: Update that -fsee is not enabled by
2125 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2127 * omp-low.c (check_omp_nesting_restrictions): New function.
2128 (scan_omp_1): Call it.
2131 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2132 construct, return *VAR.
2134 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2136 PR rtl-optimization/27406
2137 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2140 2006-05-14 Roger Sayle <roger@eyesopen.com>
2142 PR rtl-optimization/27538
2143 * combine.c (expand_compound_operation): Call gen_lowpart
2144 before calling simplify_shift_const.
2146 2006-05-14 Roger Sayle <roger@eyesopen.com>
2148 PR rtl-optimization/22563
2149 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2150 a fixed width bitfield, always force the intermediates into psuedos.
2152 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2155 * mkconfig.sh: Use operator = instead of == for test.
2157 2006-05-13 Nick Clifton <nickc@redhat.com>
2159 * dwarf2out.c (dbx_reg_number): Check return value from
2160 LEAF_REG_REMAP and only use it if it is valid.
2161 (multiple_reg_loc_descriptor): Likewise.
2163 2006-05-13 Richard Guenther <rguenther@suse.de>
2165 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2168 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2170 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2171 information attached to non-INSNs such as NOTEs.
2172 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2174 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2176 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2178 * config/s390/s390.md: Adjust comment describing On constraint.
2180 2006-05-11 Jan Hubicka <jh@suse.cz>
2182 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2183 to be output at -O0.
2185 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2188 * fold-const.c (size_binop): Move sanity check for arguments to
2189 the beginning of the function.
2192 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2195 2006-05-11 Richard Guenther <rguenther@suse.de>
2198 * fold-const.c (fold_unary): Handle intermediate conversion
2199 to a pointer type like intermediate conversion to an integer
2200 type in folding of (T1)(T2)var to var.
2201 Match the code to the comment in the final conversion for
2202 (T1)(T2)var to (T1)var regarding to type precision. Rather
2203 than disallow T1 being of pointer type, assert that both T1
2204 and var are of pointer type or not. Make sure not to fall
2205 over the frontends lazyness wrt array to pointer decay though.
2207 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2209 * arm.c (arm_struct_value_rtx): Delete.
2210 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2211 (arm_init_cumulative_args): Always initialize nregs to zero.
2213 2006-05-10 Richard Guenther <rguenther@suse.de>
2215 PR tree-optimization/27532
2216 * tree-object-size.c (plus_expr_object_size): Fix typo.
2218 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2221 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2222 ashrdi_const, ashrdi3): Use a scratch register.
2224 2006-05-10 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/27302
2227 * fold-const.c (operand_equal_p): For two comparisons,
2228 try comparison of one comparison code swapped if that yields
2231 2006-05-10 Ben Elliston <bje@au.ibm.com>
2233 * tree-pretty-print.c (pretty_print_string): No need to handle
2234 '\0' as a special character.
2236 * tree.h: Include "hashtab.h".
2237 (iterative_hash_expr): Use hashval_t in its prototype.
2238 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2240 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2243 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2244 (hppa*64*-*-hpux11*): Ditto.
2245 (hppa[12]*-*-hpux11*): Ditto.
2247 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2250 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2252 2006-05-09 Michael Matz <matz@suse.de>
2254 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2255 host_extra_gcc_objs and host_xmake_file.
2256 (<*-*-linux*>): Don't overwrite host_xmake_file.
2257 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2258 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2259 (host_detect_local_cpu): Declare.
2260 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2261 * config/i386/i386.c (override_options): Handle -mtune=native
2263 * config/i386/x-i386: New file.
2264 * config/i386/driver-i386.c: New file.
2265 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2268 2006-05-09 Dirk Mueller <dmueller@suse.de>
2269 Richard Guenther <rguenther@suse.de>
2272 * fold-const.c (fold_read_from_constant_string): Relax check
2273 for matching types to matching modes.
2275 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2277 PR rtl-optimization/27335
2278 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2281 2006-05-08 Chao-ying Fu <fu@mips.com>
2282 Richard Sandiford <richard@codesourcery.com>
2284 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2285 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2286 * config/mips/mips.md (UNSPEC_SCC): New constant.
2287 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2288 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2289 (mips_emit_compare): Use it.
2290 (mips_expand_vcondv2sf): New function.
2292 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2294 Fix PR tree-optimization/27093
2295 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2296 renaming when they become not-used_alone.
2298 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2300 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2301 relocation and relocation stubs.
2303 2006-05-08 Eric Christopher <echristo@apple.com>
2305 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2308 2006-05-08 Jan Hubicka <jh@suse.cz>
2311 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2312 unused static functions are needed.
2314 2006-05-08 Roger Sayle <roger@eyesopen.com>
2317 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2318 of a reg_equiv_constant if the result is a legitimate constant.
2320 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2323 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2324 standard 80387 constants, raise the cost to prevent
2325 compress_float_constant() to generate load from memory.
2327 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2329 * config/arm/constraints.md (c): Fix a typo.
2331 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2334 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2337 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2339 (_mm_mwait): Likewise.
2341 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2343 (sse3_monitor): Make it 32bit only.
2344 (sse3_monitor64): New. 64bit monitor.
2346 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2349 * config/i386/i386.c (classify_argument): Skip fields with invalid
2352 2006-05-07 Richard Guenther <rguenther@suse.de>
2354 PR tree-optimization/27409
2355 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2356 Do not try to find zero-sized subvars.
2358 2006-05-07 Richard Guenther <rguenther@suse.de>
2360 PR tree-optimization/27136
2361 * tree-ssa-loop-niter.c (get_val_for): Correct function
2362 comment, assert requirements.
2363 (loop_niter_by_eval): Stop processing if the iterated
2364 value did not simplify.
2366 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2368 * opts.c (flag_see): remove its setting at -O3.
2370 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2372 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2373 * arm/constraints.md: New file.
2374 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2375 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2376 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2377 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2378 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2379 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2380 * arm.md: Include constraints.md.
2381 (thumb_movsi_insn): Use satisfies_constraint_J.
2382 (movhi, movqi): Use satisfies_constraint_I.
2384 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2386 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2387 for atmeg a645 device.
2389 2006-05-06 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/27151
2392 * tree-vect-transform.c (vectorizable_condition): Punt on
2393 values that have a different type than the condition.
2395 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2398 * c-parser.c (c_parser_cast_expression): Only insert casts into
2399 hash table if pointer.
2400 * function.c (used_types_insert_helper): Rename from
2402 (used_types_insert): Call used_types_insert_helper.
2403 * function.h (used_types_insert): Accept only one argument.
2405 2006-05-05 David Edelsohn <edesohn@gnu.org>
2407 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2408 scratch with output modifier.
2410 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2413 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2414 with output modifier.
2416 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2419 * config/mips/mips.c (mips_symbolic_address_p): Return true
2420 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2421 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2423 2006-05-04 Richard Guenther <rguenther@suse.de>
2425 PR tree-optimization/14287
2426 PR tree-optimization/14844
2427 PR tree-optimization/19792
2428 PR tree-optimization/21608
2429 PR tree-optimization/27090
2430 * tree-ssa-pre.c (try_combine_conversion): New function.
2431 (compute_avail): After constructing the value-handle
2432 expression, use try_combine_conversion to combine NOP_EXPRs
2433 with previous value-handle expressions and use the result if it
2436 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2438 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2440 2006-05-04 Jan Hubicka <jh@suse.cz>
2443 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2445 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2447 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2448 that this only matches CONST_INTs. All users changed to VOIDmode
2451 * config/bfin/bfin.c: Include "optabs.h".
2452 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2454 (enum bfin_builtins): Add a number of fractional and vector builtins.
2455 (bfin_init_builtins): Likewise.
2456 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2457 (safe_vector_operand, bfin_expand_binop_builtin,
2458 bfin_expand_unop_builtin): New functions.
2459 (bfin_expand_builtin): Handle the new builtins.
2460 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2463 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2466 * Makefile.in (OBJS-common): Add see.o.
2467 (see.o): Add dependencies.
2468 * common.opt (fsee): New flag for the see optimization was added.
2469 * opts.c (flag_see): Initialized.
2470 * passes.c (init_optimization_passes, pass_see): New pass.
2471 * rtl.h (see_main): Declaration as extern.
2472 * timevar.def (TV_SEE): New.
2473 * tree-pass.h (pass_see): Declaration as extern.
2474 * invoke.texi (-fsee): Document.
2475 * recog.c (validate_simplify_insn): New function.
2476 * recog.h (validate_simplify_insn): Declaration as extern.
2477 * df-problems.c (df_chain_dump): Check for NULL.
2479 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2480 Daniel Berlin <dberlin@dberlin.org>
2482 * cfgrtl.c (insert_insn_bb_end_new): New function.
2483 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2485 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2487 * df.h (struct web_entry): Moved from web.c.
2488 (union_defs): Declaration as extern.
2489 (unionfind_root): Likewise.
2490 (unionfind_union): Likewise.
2491 * web.c (struct web_entry): Moved to df.h.
2492 (unionfind_root): Remove static declaration.
2493 (unionfind_union): Likewise.
2494 (union_defs): Likewise and generalize to use callback function.
2495 (web_main): Update arguments for union_defs function call.
2497 2006-05-04 Richard Guenther <rguenther@suse.de>
2499 PR tree-optimization/26447
2500 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2501 produce SSA_NAME copies before the store stmt to avoid
2502 breaking exception handling.
2504 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2507 * gimplify.c (omp_is_private): If var is shared in some outer context,
2508 return false instead of true. Stop searching on parallel context
2511 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2514 * coverage.c: Use get_gcov_unsigned_t() instead of
2515 unsigned_type_node all over.
2517 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2519 PR tree-optimization/27381
2520 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2521 maintain the same immediate_use links.
2522 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2523 node rather than segfaulting.
2525 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2528 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2529 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2530 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2532 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2534 Fix PR tree-optimization/26626
2535 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2537 * tree-ssa-operands.c (access_can_touch_variable): Allow
2538 typecasting through union pointers.
2540 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2543 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2544 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2545 to find if var will be a global variable even in the nested context.
2546 (omp_copy_decl): Only check for global variable at the end, it might
2547 be overridden in outer contexts.
2548 (scan_sharing_clauses): For global variables don't create a field.
2549 (lower_rec_input_clauses): Do nothing for global shared variables.
2550 Emit a barrier at the end of ILIST if there were any decls in both
2551 firstprivate and lastprivate clauses.
2552 (lower_send_clauses): Do nothing for global variables except for
2555 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2557 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2558 of the correct signedness is returned.
2560 2006-05-02 Jeff Law <law@redhat.com>
2562 PR tree-optimization/27364
2563 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2564 multiply expressions.
2566 2006-05-02 Tom Tromey <tromey@redhat.com>
2568 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2570 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2573 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2574 -mthumb -fPIC are used.
2576 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2577 Joshua Kinard <kumba@gentoo.org>
2580 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2581 with 64-bit pointers.
2583 2006-05-02 Paul Brook <paul@codesourcery.com>
2585 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2587 (create_fix_barrier): Check that a suitable barrier location is
2589 (arm_reorg): Include ftmp->address in allowable range of addresses.
2591 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2594 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2597 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2600 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2601 around RESULT_DECL for result passed by reference.
2602 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2603 * omp-low.c (use_pointer_for_field): Don't look at
2604 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2605 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2606 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2607 time or var for passing by reference for
2608 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2609 TREE_ADDRESSABLE variables when passing by reference.
2611 * omp-low.c (dump_omp_region): Fix output formatting.
2614 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2615 (expand_omp_parallel): Likewise.
2616 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2619 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2620 on statement list containing also constructors and destructors.
2621 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2624 * except.c (duplicate_eh_regions): Fix clearing of
2625 cfun->eh->region_array entries.
2627 2006-05-01 DJ Delorie <dj@redhat.com>
2629 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2631 (gcc_cv_objdump): Likewise.
2632 * configure: Regenerated.
2634 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2637 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2638 templates for case 3 and 4.
2640 2006-05-01 DJ Delorie <dj@redhat.com>
2642 * vec.c: Include bconfig.h when appropriate.
2643 * Makefile.in (build/vec.o): Adjust dependencies.
2644 * mkconfig.sh: Make sure config.h isn't used for build machine
2647 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2649 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2651 (mark_phi_for_rewrite): New function.
2652 (insert_phi_nodes_for, mark_use_interesting): Call
2653 mark_phi_for_rewrite.
2654 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2655 (update_ssa): Initialize and free phis_to_rewrite.
2657 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2659 PR rtl-optimization/27291
2660 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2661 folded to a constant.
2663 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2665 PR tree-optimization/27283
2666 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2667 not whole # of iteration descriptions.
2668 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2669 uses abnormal ssa name.
2670 (niter_for_single_dom_exit): Ditto.
2671 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2672 return just the number of iterations.
2674 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2676 PR tree-optimization/27144
2677 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2678 (record_estimate): Only record constant upper bound.
2679 (infer_loop_bounds_from_undefined): Call
2680 compute_estimated_nb_iterations just once.
2681 (proved_non_wrapping_p): Renamed to ...
2682 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2683 (convert_step_widening, scev_probably_wraps_p): Call
2684 n_of_executions_at_most instead of proved_non_wrapping_p.
2685 (substitute_in_loop_info): Do not replace values in bounds.
2686 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2689 2006-05-01 Richard Henderson <rth@redhat.com>
2692 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2693 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2696 2006-05-01 Roger Sayle <roger@eyesopen.com>
2698 * c-typeck.c (parser_build_binary_op): Don't call the function
2699 unsigned_conversion_warning to spot operand/result type overflow.
2700 (build_binary_op): Instead, call convert_and_check instead of
2701 convert to report the problem when the operands are promoted.
2702 * c-common.c (unsigned_conversion_warning): Make static.
2703 * c-common.h (unsigned_conversion_warning): Delete prototype.
2705 2006-05-01 Richard Guenther <rguenther@suse.de>
2707 PR tree-optimization/26726
2708 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2710 (find_interesting_uses_address): ... we work around here
2711 by folding INDIRECT_REFs in the substituted base.
2713 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2715 * omp-low.c (dump_omp_region): Add newlines.
2717 2006-04-30 Roger Sayle <roger@eyesopen.com>
2719 * common.opt (Woverflow): New command line option.
2720 * c-common.c (constant_expression_warning): Check warn_overflow.
2721 (overflow_waring): Pass OPT_Woverflow to warning.
2722 (unsigned_conversion_warning): Likewise.
2723 (convert_and_check): Likewise.
2724 * doc/invoke.texi: Document new command line option.
2726 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2728 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2729 TARGET_NO_FP_IN_TOC for section anchors.
2730 (optimization_options): Enable section anchors for all
2731 non-"Objective" languages.
2733 2006-04-28 Eric Christopher <echristo@apple.com>
2735 * config/darwin-c.c (darwin_ms_struct): Move this
2736 (darwin_set_default_type_attributes): and this...
2737 * config/darwin.c: ... here.
2738 * config/darwin.h (darwin_ms_struct): Declare.
2740 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2742 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2744 2006-04-28 Roger Sayle <roger@eyesopen.com>
2747 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2748 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2749 an unsigned HOST_WIDE_INT.
2750 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2752 (really_start_incremental_init): No need to call convert because
2753 bitsize_zero_node is already of type bitsizetype.
2754 (push_init_level): Extract the value of constructor_index as an
2755 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2756 (process_init_element): Likewise.
2758 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2760 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2761 value before passing to make_relative_prefix.
2763 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2766 * builtins.c (expand_builtin_memset): Expand val in original mode.
2768 2006-04-27 Eric Christopher <echristo@apple.com>
2770 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2771 with #ifndef/#endif.
2772 * config/darwin-c.c (darwin_ms_struct): New.
2773 (darwin_pragma_ms_struct): Ditto.
2774 (darwin_set_default_type_attributes): Ditto.
2775 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2776 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2777 Register ms_struct pragma.
2778 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2779 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2780 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2781 darwin_set_default_type_attributes if TARGET_MACHO.
2783 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2785 PR tree-optimization/26854
2786 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2787 * doc/tree-ssa.texi: Update immuse iterator documentation.
2788 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2789 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2790 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2791 first_safe_imm_use, next_safe_imm_use): Remove.
2792 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2793 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2794 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2795 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2796 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2797 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2798 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2799 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2800 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2801 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2802 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2803 (perfect_nestify): Use new iterator.
2804 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2806 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2807 (next_imm_name): New field in struct immediate_use_iterator_d.
2808 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2809 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2810 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2811 * tree-cfg.c (replace_uses_by): Use new iterator.
2812 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2813 * tree-ssa-operands.c (correct_use_link): Remove.
2814 (finalize_ssa_use_ops): No longer call correct_use_link.
2816 2006-04-27 Stuart Hastings <stuart@apple.com>
2818 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2819 * config/t-darwin (crt3.o): Use it.
2820 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2821 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2822 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2823 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2824 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2827 2006-04-27 Roger Sayle <roger@eyesopen.com>
2829 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2830 size, force the intermediate into a new pseudo rather instead of
2831 performing both a bitwise AND and a bitwise IOR in memory.
2833 2006-04-27 Richard Guenther <rguenther@suse.de>
2835 PR rtl-optimization/26685
2836 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2837 this one "max-flow-memory-locations".
2839 2006-04-27 Richard Guenther <rguenther@suse.de>
2841 PR tree-optimization/25148
2842 * tree-vrp.c (compare_values): Remove code dealing with
2843 comparisons against type min/max value. Honour overflow
2844 and negative constants in code dealing with comparisons
2845 of plus and minus expressions.
2846 (value_inside_range): Use fold_binary with LE_EXPR and
2847 GE_EXPR rather than compare_values.
2849 2006-04-27 Dirk Mueller <dmueller@suse.de>
2851 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2854 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2856 * basic-block.h (safe_insert_insn_on_edge): Removed.
2857 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2859 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2860 Paolo Bonzini <bonzini@gnu.org>
2863 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2864 (simplify_and_const_int): Same.
2866 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2868 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2870 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2873 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2874 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2875 cgraph_global_info_ready.
2878 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2881 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2882 either decl or init is error_mark_node.
2885 * tree-flow.h (struct omp_region): Add sched_kind.
2886 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2887 instead of extracting omp for data.
2888 (expand_omp_for): Save extracted sched_kind.
2890 2006-04-25 Roger Sayle <roger@eyesopen.com>
2892 * expmed.c (store_bit_field): Also check whether the bitsize is
2893 valid for the machine's "insv" instruction before moving the
2894 target into a pseudo for use with the insv.
2895 * config/i386/predicates.md (const8_operand): New predicate.
2896 * config/i386/i386.md (extv, extzv, insv): Use the new
2897 const8_operand predicate where appropriate.
2899 2006-04-25 DJ Delorie <dj@redhat.com>
2901 * doc/install.texi (Specific): Clarify that this is not a list of
2902 supported hosts or targets.
2904 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2906 PR rtl-optimization/26725
2907 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2908 block's BB_DIRTY flag.
2910 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2912 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2915 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2916 to print an integer.
2918 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2920 * varasm.c (align_variable): New function.
2921 (get_block_for_decl): Apply align_variable to DECL before
2922 calculating section information.
2923 (assemble_variable): Split out alignment computation.
2925 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2927 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2930 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2932 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2933 MODE_PARTIAL_INT mode.
2934 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2935 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2937 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2938 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2940 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2942 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2944 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2945 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2946 MACFLAG_IH): Likewise.
2947 (movstricthi_1): Renamed from "*movstricthi".
2948 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2949 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2950 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2951 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2952 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2953 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2954 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2955 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2956 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2957 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2958 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2959 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2960 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2961 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2962 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2964 * doc/rtl.texi (ss_ashift): Improve wording.
2966 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2968 * dwarf2out.c (verify_marks_clear): New.
2969 (prune_unused_types): Call verify_marks_clear initially, not
2972 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2974 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2975 * doc/rtl.texi: Document them.
2976 * simplify-rtx.c (simplify_unary_operation,
2977 simplify_binary_operation_1): Don't abort when we see them.
2979 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2982 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2983 * configure.ac: Completely disregard languages that are not
2985 * configure: Regenerated.
2987 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2988 Richard Guenther <rguenther@suse.de>
2990 PR tree-optimization/27236
2991 * tree-inline.c (copy_body_r): Make sure to copy
2992 TREE_THIS_VOLATILE flag.
2994 2006-04-24 Richard Guenther <rguenther@suse.de>
2997 * tree-complex.c (update_parameter_components): Don't handle
2998 unused parameters which have no default def.
3000 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3001 Richard Guenther <rguenther@suse.de>
3003 PR tree-optimization/27218
3004 * tree-inline.c (expand_call_inline): Strip useless type
3005 conversions for the return slot address.
3007 2006-04-24 Richard Guenther <rguenther@suse.de>
3009 * cfgloop.h (struct loops): Remove unused field array. Reorder
3011 (LOOP_PREFETCH): Remove.
3013 2006-04-24 Richard Guenther <rguenther@suse.de>
3015 PR tree-optimization/22525
3016 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3017 variable, adjust types of generated expressions.
3019 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3021 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3022 (tree-vect-patterns.o): Likewise.
3024 (cselib.o): Likewise.
3025 (loop-doloop.o): Likewise.
3026 (regclass.o): Likewise.
3027 (reload1.o): Likewise.
3028 (explow.o): Replace target.h with $(TARGET_H).
3029 (ipa-prop.o): Likewise.
3030 (ipa-cp.o): Likewise.
3031 (ipa-inline.o): Likewise.
3032 (reorg.o): Likewise.
3033 (reg-stack.o): Likewise.
3035 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3037 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3039 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3041 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3043 * configure.ac: Completely disregard languages that are not
3045 * configure: Regenerated.
3048 * c-common.h (c_build_bitfield_integer_type): Declare.
3049 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3050 * c-common.c (c_build_bitfield_integer_type): ... here.
3052 2006-04-23 Roger Sayle <roger@eyesopen.com>
3055 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3056 a SImode SUBREG of a floating point register after no_new_pseudos.
3058 2006-04-23 Roger Sayle <roger@eyesopen.com>
3060 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3061 identify potentially eliminable registers to additionally catch
3062 VIRTUAL_INCOMING_ARGS_REGNUM.
3063 (addsi3): Update the conditions on when to use addsi_small_int.
3065 2006-04-23 Roger Sayle <roger@eyesopen.com>
3068 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3069 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3070 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3072 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3074 * fold-const.c (range_predecessor): Use operand_equal_p
3075 as the predicate for equality.
3076 (range_successor): Likewise.
3078 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3081 * config/soft-fp/op-common.h: Fix a typo.
3083 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3086 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3087 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3089 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3091 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3093 * doc/tm.texi: Fix a typo.
3095 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3097 * dwarf2out.c (struct die_struct): Document that die_sib makes
3098 a circular linked list.
3099 (FOR_EACH_CHILD): New.
3100 (reverse_die_lists): Delete.
3101 (reverse_all_dies): Delete.
3102 (add_dwarf_attr): Correct documentation.
3103 (remove_child_with_prev): New.
3104 (remove_child_TAG): Update for change to die_struct, use
3105 remove_child_with_prev.
3106 (add_child_die): Update for change to die_struct.
3107 (splice_child_die): Use remove_child_with_prev and add_child_die.
3108 (print_die): Use FOR_EACH_CHILD.
3109 (die_checksum): Likewise.
3110 (assign_symbol_names): Likewise.
3111 (output_location_lists): Likewise.
3112 (build_abbrev_table): Likewise.
3113 (calc_die_sizes): Likewise.
3114 (mark_dies): Likewise.
3115 (unmark_dies): Likewise.
3116 (unmark_all_dies): Likewise.
3117 (output_die): Likewise.
3118 (prune_unused_types_mark): Likewise.
3119 (prune_unused_types_walk): Likewise.
3120 (same_die_p): Update for change to die_struct.
3121 (break_out_includes): Likewise.
3122 (prune_unused_types_prune): Likewise.
3123 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3124 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3126 (dwarf2out_finish): Don't call reverse_all_dies.
3128 2006-04-21 Eric Christopher <echristo@apple.com>
3130 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3131 in comments and function names.
3133 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3136 * c-typeck.c (digest_init): Robustify.
3138 * c-typeck.c (pop_init_level): Simplify.
3140 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3142 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3144 2006-04-21 Paul Brook <paul@codesourcery.com>
3146 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3147 hardware floating point.
3149 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3151 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3154 2006-04-21 Nick Clifton <nickc@redhat.com>
3156 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3159 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3162 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3163 C++ lang type in traceback table for Objective-C++.
3165 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3167 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3169 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3171 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3174 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3175 were errors. Remove check for erroneous objects.
3177 2006-04-20 Jeff Law <law@redhat.com>
3179 PR tree-optimization/26854
3180 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3181 checking for zero or one use.
3182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3183 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3184 * tree-ssa-reassoc.c (negate_value): Similarly.
3185 (reassociate_bb): Similarly.
3187 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3189 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3190 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3191 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3193 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3195 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3196 fp regs if the last fp arg doesn't fit in regs.
3198 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3201 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3202 that the last insn has the REG_INC note.
3204 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3205 Nathan Sidwell <nathan@codesourcery.com>
3208 * stor-layout.c (update_alignment_for_field): Do not align
3210 (place_union_field): Place union field at the start of the union.
3211 (place_field): Move ERROR_MARK check later, and use the current
3212 allocation position to maintain monotonicity.
3214 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3216 * dominance.c: Include timevar.h.
3217 (calculate_dominance_info): Use TV_DOMINANCE.
3218 * timevar.def (TV_DOMINANCE): New timevar.
3219 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3221 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3223 PR rtl-optimization/14261
3224 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3225 move would be an INSV insn.
3226 (noce_process_if_block): Don't optimize if the destination is a
3227 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3229 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3231 * config/s390/s390.md: Add comments with the instructions emitted
3232 by an insn pattern if macros are used.
3234 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3236 PR rtl-optimization/26026
3237 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3238 is a known power of two shifted left a variable amount.
3240 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3242 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3243 to hash table twice when the debug_str section has SECTION_MERGE.
3245 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3247 * config/soft-fp: New directory. From glibc.
3248 * config/soft-fp/t-softfp: New.
3249 * config/soft-fp/README: New.
3250 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3251 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3252 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3253 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3254 * config.gcc: Use rs6000/t-fprules-fpbit or
3255 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3257 * config/rs6000/sfp-machine.h: New. Based on glibc.
3258 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3260 * config/rs6000/t-fprules: Remove fp-bit rules.
3261 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3262 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3263 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3264 (softfp_wrap_start, softfp_wrap_end): New.
3266 2006-04-18 DJ Delorie <dj@redhat.com>
3268 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3270 2006-04-18 Devang Patel <dpatel@apple.com>
3272 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3274 2006-04-18 Nick Clifton <nickc@redhat.com>
3276 * config/sh/t-symbian: Add rule to build sh-c.o
3277 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3278 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3279 (sh_symbian_encode_section_info): Likewise.
3281 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3283 * builtins.c (expand_builtin_strcmp): Cover label definition of
3284 do_libcall with HAVE_cmpstrnsi.
3286 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3288 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3290 * function.h (temp_slot_p): New.
3291 (function): Change the type of x_used_temp_slots to
3292 VEC(temp_slot_p,gc) *.
3294 2006-04-18 Nick Clifton <nickc@redhat.com>
3296 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3297 flag_strength_reduce.
3299 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3301 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3305 Partial revert of revision 112637
3306 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3307 Dale Johannesen <dalej@apple.com>
3310 * regclass.c (struct reg_pref): Update documentation.
3311 (regclass): Set prefclass to NO_REGS if memory is the best option.
3312 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3314 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3316 PR tree-optimization/26821
3317 * tree-ssa-math-opts.c (get_constant_one): New.
3318 (insert_reciprocals): Use it.
3320 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3322 * dwarf2out.c (free_AT): Delete.
3323 (remove_AT): Update string ref counts.
3324 (remove_child_TAG): Don't call free_die.
3326 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3327 or DW_TAG_GNU_EINCL.
3328 (prune_unused_types_walk_attribs): Reset string refcounts.
3329 (prune_unused_types_update_strings): New.
3330 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3331 call free_die. Do call prune_unused_types_update_strings.
3332 (prune_unused_types): Empty debug_str_hash.
3334 2006-04-17 Roger Sayle <roger@eyesopen.com>
3336 * expr.c (expand_assignment): Optimize away no-op moves where the
3337 source and destination are equal and have no side-effects.
3339 2006-04-17 Richard Guenther <rguenther@suse.de>
3342 * reload.c (push_reload): Guard calls to get_secondary_mem
3345 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3347 * alias.c (reg_base_value, old_reg_base_value): Change the
3348 type to VEC(rtx,gc) *.
3349 (REG_BASE_VALUE, find_base_value, record_set,
3350 init_alias_analysis): Use VEC instead of VARRAY.
3352 * alias.c (alias_sets): Change the type to
3353 VEC(alias_set_entry,gc) *.
3354 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3355 VEC instead of VARRAY.
3356 (last_alias_set): Remove.
3358 * cgraph.h (cgraph_edge_p): New.
3359 Update the prototype of cgraph_function_versioning.
3360 * cgraphunit.c (cgraph_copy_node_for_versioning,
3361 cgraph_function_versioning): Use VEC instead of VARRAY.
3362 * ipa-cp.c (ipcp_insert_stage): Likewise.
3364 2006-04-16 Roger Sayle <roger@eyesopen.com>
3367 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3368 "A op B" or "A op C", we may need to convert A to the type of B and C.
3370 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3372 * target.h (struct gcc_target): Add mode_rep_extended.
3373 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3374 (init_num_sign_bit_copies_in_rep): Initialize it using
3376 (truncate_to_mode): Use it.
3377 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3378 * targhooks.h (default_mode_rep_extended): Declare it.
3379 * targhooks.c (default_mode_rep_extended): Define it.
3380 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3381 default_mode_rep_extended.
3382 (TARGET_INITIALIZER): Include it.
3383 * doc/tm.texi (Misc): Document it.
3384 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3385 (mips_truncated_to_mode): New function.
3387 2006-04-16 Roger Sayle <roger@eyesopen.com>
3390 * expr.c (compress_float_constant): Copy the narrow constant into
3391 a new pseudo before extending it to its final width.
3393 2006-04-16 Roger Sayle <roger@eyesopen.com>
3394 Andrew Pinski <pinskia@gcc.gnu.org>
3395 Dale Johannesen <dalej@apple.com>
3398 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3399 special case code to implement V8HImode and V16QImode with SSE2.
3401 2006-04-15 Roger Sayle <roger@eyesopen.com>
3403 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3404 trees are constructed with a suitable tree type.
3406 2006-04-15 Roger Sayle <roger@eyesopen.com>
3408 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3409 (integer_onep): Likewise.
3410 (integer_all_onesp): Likewise.
3411 (integer_pow2p): Likewise.
3412 (integer_nonzerop): Likewise.
3413 (real_zerop): Likewise.
3414 (real_onep): Likewise.
3415 (real_twop): Likewise.
3416 (real_minus_onep): Likewise.
3417 (int_size_in_bytes): Likewise.
3418 (host_integerp): Likewise.
3420 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3422 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3423 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3424 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3426 * tree-ssa-structalias.h (alias_info): Remove num_references.
3428 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3430 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3431 (output_bvb patterns): Likewise.
3432 * pa.c (output_bb): Use 'bb' insn for long branch case.
3433 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3434 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3435 1. Correct length operand for alternatives 1 and 2.
3436 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3437 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3439 2006-04-14 Roger Sayle <roger@eyesopen.com>
3441 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3442 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3443 were accidentally reverted by r112959.
3445 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3448 * except.h (eh_region_outermost): New prototype.
3449 * except.c (eh_region_outermost): New function.
3450 * tree-cfg.c (find_outermost_region_in_block): Use it.
3452 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3454 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3456 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3457 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3458 (init_reload, reload): Use VEC instead of VARRAY.
3459 * reload.h: Update the prototype for
3460 reg_equiv_memory_loc_varray.
3462 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3463 Eric Botcazou <ebotcazou@libertysurf.fr>
3465 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3468 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3471 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3472 to expand fallback builtin function call.
3474 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3477 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3478 and emit libcall here in case the builtin fails.
3479 (expand_builtin_strcmp): Always emit the libcall here on failure.
3481 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3483 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3484 * flow.c (reg_n_info): Change the type to
3485 VEC(reg_info_p,heap) *.
3486 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3488 * regs.h (reg_info_p): New.
3489 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3490 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3491 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3494 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3496 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3498 * params.h (MAX_SCHED_READY_INSNS): New macro.
3499 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3500 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3501 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3502 the ready list for 1 cycle during the first scheduling pass.
3503 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3505 2006-04-13 Richard Henderson <rth@redhat.com>
3508 * gimple-low.c (lower_omp_directive): Remove dead code.
3509 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3510 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3511 * omp-low.c (struct omp_region): Move to tree-flow.h.
3512 (root_omp_region): Export.
3513 (omp_regions, lookup_omp_region): Remove.
3514 (determine_parallel_type): Update for struct omp_region changes.
3515 (dump_omp_region): Dump regions with block numbers.
3516 (new_omp_region): Take type and block instead of stmt; malloc
3518 (free_omp_region_1, free_omp_regions): New.
3519 (expand_parallel_call): Take entry_stmt as argument; update for
3520 changes to omp_region.
3521 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3522 (remove_exit_barriers): New.
3523 (expand_omp_parallel): Update for struct omp_region changes.
3524 (expand_omp_synch): Likewise.
3525 (expand_omp): Likewise.
3526 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3527 (expand_omp_for_static_chunk): Likewise.
3528 (expand_omp_for): Likewise.
3529 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3530 (expand_omp_sections): Similarly, with GOMP_sections_end.
3531 (expand_omp_single): New.
3532 (build_omp_regions_1): Update for OMP_CONTINUE.
3533 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3534 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3535 OMP_SECTIONS_SECTIONS.
3536 (lower_omp_single_simple): Don't emit barrier here.
3537 (lower_omp_single_copy): Likewise.
3538 (lower_omp_single): Fix bindings, and lower to straightline now.
3539 (lower_omp_master, lower_omp_ordered): Likewise.
3540 (lower_omp_critical): Likewise.
3541 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3542 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3543 omp edges, free it afterward.
3544 (make_omp_sections_edges): Remove.
3545 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3546 (move_stmt_r): Handle OMP_CONTINUE.
3547 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3548 statement pointers to basic blocks. Add type member.
3549 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3550 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3551 * tree-inline.c (estimate_num_insns_1): Likewise.
3552 * tree-pretty-print.c (dump_generic_node): Likewise.
3553 * tree-ssa-operands.c (get_expr_operands): Likewise.
3554 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3555 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3556 (OMP_CONTINUE): New.
3557 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3558 (OMP_SECTIONS_SECTIONS): Remove.
3559 (OMP_SECTION_LAST): New.
3560 (OMP_RETURN_NOWAIT): New.
3562 2006-04-13 Roger Sayle <roger@eyesopen.com>
3564 * fold-const.c (native_encode_vector, native_interpret_real):
3565 Correct obvious mistakes in the previous check-in.
3567 2006-04-13 Roger Sayle <roger@eyesopen.com>
3569 * fold-const.c (native_encode_expr): New function to encode
3570 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3571 or VECTOR_CST into a specified buffer.
3572 (native_encode_int): New function.
3573 (native_encode_real): New function.
3574 (native_encode_complex): New function.
3575 (native_encode_vector): New function.
3576 (native_interpret_expr): Inverse of native_encode_expr to convert
3577 a target representation into an INTEGER_CST, REAL_CST etc...
3578 (native_interpret_int): New function.
3579 (native_interpret_real): New function.
3580 (native_interpret_complex): New function.
3581 (native_interpret_vector): New function.
3582 (fold_view_convert_expr): New function to constant fold/evaluate
3583 a VIEW_CONVERT_EXPR of a suitable constant expression.
3584 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3585 Change call of build1 to fold_build1 when constructing a
3588 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3589 Ulrich Weigand <uweigand@de.ibm.com>
3592 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3595 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3598 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3599 optimize to lo_sum for DFmode if !TARGET_FPRS.
3601 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3603 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3604 delete_alias_info, compute_flow_sensitive_aliasing,
3605 group_aliases): Use VEC instead of VARRAY.
3606 * tree-ssa-structalias.c (update_alias_info): Likewise.
3607 * tree-ssa-structalias.h (alias_info): Change the type of
3608 processed_ptrs to VEC(tree,heap) *.
3610 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3613 * config/sh/lib1funcs.h: New file, broken out of:
3614 * config/sh/lib1funcs.asm.
3615 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3617 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3618 * config/sh/lib1funcs-Os-4-200.asm: New file.
3619 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3620 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3621 (EXTRA_MULTILIB_PARTS): Include it.
3622 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3623 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3624 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3625 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3628 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3630 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3631 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3632 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3634 * tree-ssa-live.h: Include vecprim.h.
3635 (tree_partition_associator_d): Change the type of
3636 first_partition to VEC(int,heap) *.
3637 (tpa_first_partition): Use VEC instead of VARRAY.
3639 * Makefile.in (GTFILES): Move functions.h after tree.h.
3640 * function.c (reset_block_changes, record_block_change,
3641 check_block_change, free_block_changes): Use VEC instead of
3643 * function.h (function): Change the type of
3644 ib_boundaries_block to VEC(tree,gc) *.
3645 * tree-inline.c (copy_cfg_body): Initialize
3646 ib_boundaries_block to NULL instead of (varray_type) 0.
3648 2006-04-12 Roger Sayle <roger@eyesopen.com>
3650 * expr.c (emit_group_store): Correct operand order in call to
3651 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3652 a SUBREG_BYTE of zero.
3654 2006-04-12 Richard Guenther <rguenther@suse.de>
3656 * profile.c (compute_branch_probabilities): Remove code
3657 encapsulated in !ir_type (), which are remanents of the
3658 removed RTL profiling code.
3659 * rtl-profile.c: Remove.
3661 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3663 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3664 magic NULL_RTX comment.
3665 (function_arg): Store entire fp arg to mem if any part should go
3667 (rs6000_arg_partial_bytes): Adjust for above change.
3669 2006-04-11 Roger Sayle <roger@eyesopen.com>
3671 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3672 if it hasn't been initialized by dwarf2out_init.
3674 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3676 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3677 symbolic constants in branch patterns.
3679 2006-04-11 Roger Sayle <roger@eyesopen.com>
3681 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3683 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3685 PR rtl-optimization/27073
3686 * gcse.c (try_replace_reg): Revert last change. Continue to search
3687 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3690 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3692 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3693 aggregate types other than record and union types.
3694 (function_arg): Likewise.
3695 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3697 (function_value): In 64-bit mode, return objects that require it
3700 2006-04-11 Roger Sayle <roger@eyesopen.com>
3702 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3704 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3706 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3708 2006-04-03 Jeff Law <law@redhat.com>
3711 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3712 alias information too.
3714 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3716 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3718 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3721 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3722 (premark_used_types_helper): New.
3723 (premark_used_types): New.
3724 (gen_subprogram_die): Call premark_used_types.
3725 (prune_unused_types_walk): Do not prune perennial dies.
3726 * function.c (used_types_insert): New.
3727 * function.h (struct function): Add used_types_hash field.
3728 (used_types_insert): Add prototype.
3729 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3730 * c-parser.c (c_parser_cast_expression): Save casted types in used
3733 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3736 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3737 rs6000_explicit_options.float_gprs.
3739 2006-04-10 Roger Sayle <roger@eyesopen.com>
3741 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3742 from ix86_expand_vector_init_low_nonzero. Take an additional
3743 one_var argument indicating which element is non-zero. Support
3744 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3745 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3746 with one_var instead of ix86_expand_vector_init_low_nonzero.
3748 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3750 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3751 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3752 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3753 build/genextract.o): Depend on vecprim.h.
3754 * cfglayout.c, df-problems.c, function.c, genextract.c,
3755 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3756 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3760 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3762 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3763 Declare VECs of this type.
3764 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3765 (remove_children): Delete.
3766 (add_dwarf_attr): Use VEC routines.
3767 (add_AT_flag): Update for changes to add_dwarf_attr.
3768 (add_AT_int): Likewise.
3769 (add_AT_unsigned): Likewise.
3770 (add_AT_long_long): Likewise.
3771 (add_AT_vec): Likewise.
3772 (add_AT_string): Likewise.
3773 (add_AT_die_ref): Likewise.
3774 (add_AT_fde_ref): Likewise.
3775 (add_AT_loc): Likewise.
3776 (add_AT_loc_list): Likewise.
3777 (add_AT_addr): Likewise.
3778 (add_AT_lbl_id): Likewise.
3779 (add_AT_lineptr): Likewise.
3780 (add_AT_macptr): Likewise.
3781 (add_AT_offset): Likewise.
3782 (add_AT_range_list): Likewise.
3783 (get_AT): Use VEC_iterate.
3784 (remove_AT): Use VEC_ordered_remove.
3785 (free_die): Fold remove_children into here; have it use VEC_iterate.
3786 (print_die): Use VEC_iterate on attrs.
3787 (reverse_die_lists): Don't reverse attr lists.
3788 (die_checksum): Use VEC_iterate on attrs.
3789 (same_die_p): Likewise.
3790 (output_location_lists): Likewise.
3791 (build_abbrev_table): Likewise.
3792 (size_of_die): Likewise.
3793 (unmark_all_dies): Likewise.
3794 (output_abbrev_section): Likewise.
3795 (output_die): Likewise.
3796 (prune_unused_types_walk_attribs): Likewise.
3798 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3800 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3802 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3805 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3807 2006-04-09 Roger Sayle <roger@eyesopen.com>
3809 * expr.c (store_constructor): Don't bother clearing target if
3810 we're about to assign a vector to it using vec_init_optab.
3812 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3814 * tree-ssa-alias.c (lhs_may_store_to): New function.
3815 (recalculate_used_alone): Handle LHS of calls.
3817 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3821 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3822 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3823 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3824 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3825 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3826 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3827 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3828 stubs. Add ".align 8" directives before all ".dword" directives.
3829 (GTHREAD_USE_WEAK): Revise comment.
3830 (TARGET_ATTRIBUTE_WEAK): Define.
3831 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3832 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3833 * stublib.c: New file.
3838 * pa.md (cbranch patterns): Revise arguments used in calls to
3839 output_cbranch, output_bb and output_bvd. Add long branch length
3841 (fbranch patterns): Handle long branches.
3842 (jump): Revise length check. Revise arguments for output_lbranch call.
3843 Add long branch length attributes.
3844 (decrement_and_branch_until_zero): Add long branch length attributes.
3845 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3846 Likewise. Revise arguments for output_parallel_addb and
3847 output_parallel_movb calls.
3848 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3849 output_parallel_movb and output_parallel_addb): Update prototypes.
3850 * pa.c (output_cbranch): Revise arguments. Correct handling of
3851 nullification in long branches.
3852 (output_lbranch): Add new argument to control extraction of delay
3854 (output_bb): Handle long branches.
3855 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3856 output_parallel_addb): Likewise.
3858 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3860 PR rtl-optimization/27073
3861 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3864 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3866 * tree.h (tree_memory_tag): Add old_used_alone.
3867 (SMT_OLD_USED_ALONE): New macro.
3868 * tree-ssa-alias.c (recalculate_used_alone): Stop
3869 marking things for renaming unnecessarily.
3871 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3873 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3874 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3875 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3876 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3877 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3878 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3879 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3880 spelling convensions.
3881 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3882 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3883 typos. Follow spelling conventions.
3885 2006-04-07 DJ Delorie <dj@redhat.com>
3887 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3888 passed on the stack.
3889 (m32c_init_cumulative_args): When a function returns a structure,
3890 always pass the pointer to that return area on the stack.
3891 (m32c_function_arg_advance): Don't increment the parameter number
3892 if we're processing the returned structure pointer.
3893 (pushm_info): Reverse order of registers.
3895 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3897 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3898 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3899 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3900 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3902 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3903 chrec_fold_multiply): Same.
3904 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3905 force_expr_to_var_cost): Same.
3906 * tree-mudflap.c (mf_xform_derefs_1): Same.
3907 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3909 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3911 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3912 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3915 2006-04-07 Jan Hubicka <jh@suse.cz>
3917 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3919 2006-04-07 Richard Guenther <rguenther@suse.de>
3921 PR tree-optimization/26135
3922 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3923 loads for store copy-prop.
3924 (copy_prop_visit_stmt): Likewise.
3926 2006-04-05 Robert Millan <robertmh@gnu.org>
3928 * config/i386/linux.h: Add a comment to mark macros that are
3929 being overriden in config/k*bsd-gnu.h.
3930 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3932 * config/knetbsd-gnu.h: Ditto.
3934 2006-04-06 Jan Hubicka <jh@suse.cz>
3938 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3941 2006-04-06 Mike Stump <mrs@apple.com>
3943 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3944 for HAVE_nonlocal_goto to be consistent.
3945 (expand_builtin_nonlocal_goto): Likewise.
3946 (expand_builtin_strcmp): Use #ifdef instead of #if
3947 for HAVE_cmpstrnsi to be consistent.
3949 2006-04-05 DJ Delorie <dj@redhat.com>
3951 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3954 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3956 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3957 got-relative addressing for anything but SImode.
3959 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3960 even if the calling function doesn't modify them.
3962 2006-04-05 Richard Guenther <rguenther@suse.de>
3964 PR tree-optimization/26919
3965 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3966 to cgraph_estimate_size_after_inlining.
3968 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3970 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3972 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3974 PR tree-optimization/26996
3975 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3976 VECTOR_TYPE variables.
3978 2006-04-05 Richard Guenther <rguenther@suse.de>
3980 PR tree-optimization/26763
3981 * fold-const.c (fold_comparison): Move folding of
3982 PTR + CST CMP PTR + CST ...
3983 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3985 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3987 * doc/install.texi (Prerequisites): Refine some wording on
3988 bootstrapping and ksh.
3989 Move the version numbers of DejaGnu here from the testing section
3990 and fix casing of names.
3991 Fix markup and clarify wording for autogen requirements.
3992 Refer to GCJ instead of just java.
3993 Refer to SVN instead of CVS.
3994 Describe diffutils as useful instead of necessary.
3995 (Downloading the source): Refer to SVN instead of CVS.
3996 Adjust a link to our web site accordingly.
3997 (Configuration): Fix casing of Bison.
3998 (Building): Refer to SVN instead of CVS.
3999 Fix a sentence on the use of Bison and remove duplicate (and
4000 incorrect) version number of Bison requirement.
4001 Remove one redundant list of packages needed for building.
4002 (Specific): Avoid reference to CVS.
4004 2006-04-04 Eric Christopher <echristo@apple.com>
4006 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4007 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4008 (rs6000_handle_struct_attribute): New.
4009 (rs6000_ms_bitfield_layout_p): Ditto.
4011 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4013 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4014 NULL for dso parameter to atexit_common.
4016 2006-04-04 Eric Christopher <echristo@apple.com>
4018 * config/i386/i386.c (machopic_output_stub): Output \t
4019 between instructions and operands.
4021 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4023 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4024 satisfies_constraint_[IL] to explicit tests on value.
4026 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4028 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4029 set_nb_iterations_in_loop): Use build_int_cst instead of
4031 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4032 build_int_cst instead of convert.
4034 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4036 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4037 new value 2 for incoming.
4038 * function.c (expand_function_start): Call struct_value_rtx
4040 * config/sparc/sparc.md: Comment updated_return.
4041 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4042 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4043 struct return if sparc_std_struct_return and incoming is 2.
4044 (print_operand): Do not adjust return if
4045 sparc_std_struct_return.
4047 2006-04-04 Roger Sayle <roger@eyesopen.com>
4049 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4050 convert in the middle-end.
4051 * expr.c (store_expr, store_constructor, get_inner_reference,
4052 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4054 * tree.c (build_range_type): Likewise.
4056 2006-04-04 Tom Tromey <tromey@redhat.com>
4058 * doc/install.texi (Prerequisites): Mention jar.
4060 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4062 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4065 2006-04-04 Matthias Klose <doko@debian.org>
4067 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4068 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4071 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4073 * doc/extend.texi (Function Attributes): Rewrite visibility
4074 attribute documentation.
4075 * doc/invoke.texi (C++ Dialect Options): Rewrite
4076 -fvisibility-inlines-hidden documentation to describe something
4077 entirely different, although in practise compatible.
4078 (Code Gen Options): Warn about system headers in -fvisibility=
4081 * doc/extend.texi (Other Builtins): Document that
4082 __builtin_nan is a compile-time constant only when its argument
4085 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4087 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4088 trying to remove TRUNCATE check if all bits outside the new mode
4089 are identical to the sign bit.
4091 2006-04-03 Jeff Law <law@redhat.com>
4093 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4094 and operand scanning in some common cases.
4096 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4097 Dale Johannesen <dalej@apple.com>
4100 * regclass.c (struct reg_pref): Update documentation.
4101 (regclass): Set prefclass to NO_REGS if memory is the best option.
4102 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4103 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4104 into account. For non-registers, equate an empty preferred
4105 reload class to a `!' in the constraint; move the if clause to
4106 do so after those that reject the insn.
4107 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4109 (find_dummy_reload): Likewise.
4110 * doc/tm.texi (Register Classes): Document what it means
4111 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4112 * config/i386/i386.c (ix86_preferred_reload_class): Force
4113 using SSE registers (and return NO_REGS for floating-point
4114 constants) if math is done with SSE.
4115 (ix86_preferred_output_reload_class): New.
4116 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4117 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4118 * config/i386/i386.md: Remove # register preferences.
4120 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4123 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4124 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4125 the type of nb_iter.
4126 (instantiate_parameters_1): Convert the operands before calling
4127 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4128 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4130 2006-04-02 Roger Sayle <roger@eyesopen.com>
4132 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4133 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4135 * dojump.c (do_jump): Likewise.
4136 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4137 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4138 gimplify_boolean_expr): Likewise.
4139 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4140 * varasm.c (array_size_for_constructor): Likewise.
4141 * tree-object-size.c (compute_object_offset): Likewise.
4143 2006-04-02 Roger Sayle <roger@eyesopen.com>
4146 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4147 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4149 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4151 PR tree-optimization/26939
4152 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4154 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4156 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4157 at_stmt. Convert the type of operands before calling
4158 build_polynomial_chrec.
4159 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4161 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4162 (instantiate_parameters_1): Convert the type of operands before calling
4163 build_polynomial_chrec.
4164 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4165 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4166 reset_evolution_in_loop): Insert asserts to check the types of the
4168 (chrec_type): Moved...
4169 (eq_evolutions_p): Use operand_equal_p.
4170 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4171 the types of the operands.
4172 (chrec_type): ...here.
4173 * tree-data-ref.c (create_data_ref): Convert the operands before
4174 calling chrec_replace_initial_condition.
4175 (same_access_functions, analyze_subscript_affine_affine,
4176 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4177 (compute_subscript_distance, analyze_ziv_subscript,
4178 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4179 analyze_miv_subscript): Convert the operands before calling
4180 chrec_fold_minus or chrec_fold_plus.
4182 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4184 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4185 the dependence_relations vector.
4186 (compute_data_dependences_for_loop): Adjust call to
4187 compute_all_dependences.
4189 2006-04-01 Roger Sayle <roger@eyesopen.com>
4190 Richard Henderson <rth@redhat.com>
4192 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4193 gimple_boolify on the condition before calling gimplify_expr.
4195 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4197 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4198 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4199 the frame size. Update to use the new macros.
4200 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4201 * config/xtensa/ieee754-df.S: Likewise.
4203 2006-03-31 Richard Henderson <rth@redhat.com>
4205 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4206 (make_edges): ... here. Control fallthru creation with a local
4207 variable. Do not play with fake edges.
4208 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4209 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4212 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4214 * dwarf2.h (DW64_CIE_ID): Define.
4215 * dwarf2out.c (DWARF_CIE_ID): Define.
4216 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4217 length header. Use DWARF_CIE_ID.
4218 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4219 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4221 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4223 * config/sh/linux-atomic.asm: New file.
4224 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4226 2006-03-31 DJ Delorie <dj@redhat.com>
4228 * config/m32c/cond.md: Set condition flags properly throughout.
4229 * config/m32c/minmax.md: Likewise.
4230 * config/m32c/prologue.md: Likewise.
4231 * config/m32c/bitops.md: Likewise.
4232 * config/m32c/muldiv.md: Likewise.
4233 * config/m32c/mov.md: Likewise.
4234 * config/m32c/addsub.md: Likewise.
4235 * config/m32c/m32c.md: Likewise.
4236 * config/m32c/jump.md: Likewise.
4237 * config/m32c/shift.md: Likewise.
4239 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4240 conditionally output the pattern for this.
4241 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4242 (m32c_compare_redundant): New.
4243 (m32c_output_compare): New.
4244 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4246 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4247 dest, not src. Allow other 4-byte modes.
4249 2006-03-30 Denis Chertykov <denisc@overta.ru>
4251 * doc/md.texi: Refer to avr/constraints.md instead of
4254 2006-03-30 Roger Sayle <roger@eyesopen.com>
4256 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4257 signed vs. unsigned comparison failures on some hosts.
4259 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4262 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4263 change to FLOAT_REGS.
4265 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4266 (rs6000_override_options): Use it.
4267 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4268 only for -mabi=spe/no-spe and -mabi=altivec.
4270 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4272 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4275 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4277 * Makefile.in: Rename docdir to gcc_docdir.
4279 2006-03-30 Roger Sayle <roger@eyesopen.com>
4282 * expr.c (emit_group_store): Optimize group stores into a pseudo
4283 register by using a paradoxical subreg to initialize the destination
4284 if the first or last member of the group specifies a "low part".
4286 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4289 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4290 * target.h (struct gcc_target.speculate_insn): Change type of the
4291 second parameter to 'int'.
4292 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4293 the second operand of the DEPS_LIST.
4294 (copy_DEPS_LIST_list): Update reference to the second operand of the
4296 * rtl.h (alloc_DEPS_LIST): Update signature.
4297 * sched-int.h (ds_t): Change typedef to 'int'.
4298 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4300 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4302 * haifa-sched.c (try_ready): Change condition to restore
4303 non-speculative pattern of the instruction.
4304 (process_insn_depend_be_in_spec): Code to keep probability of the
4305 speculative dependence non-decreasing.
4307 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4309 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4310 (single_move_for_movmem): ... this. Also change all uses.
4311 (bfin_expand_strmov): Renamed to...
4312 (bfin_expand_movmem): ... this. Also change all uses.
4313 * config/bfin/bfin.md (movstrsi): Renamed to...
4314 (movstrsi): ...this.
4316 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4318 PR tree-optimization/26830
4320 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4321 (copy_prop_visit_stmt): Remove write-only variable ann.
4322 (init_copy_prop): Check variable loop depth here. Do not simulate
4323 memory-tag and virtual operand PHIs except for store copy prop.
4325 2006-03-30 Richard Guenther <rguenther@suse.de>
4327 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4328 variants with double arguments.
4330 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4332 * genpreds.c (write_tm_constrs_h): Delete variable p.
4333 * genconditions.c (write_header): Add tm-constrs.h to included
4335 * genpeep.c (main): Add toplev.h to included headers.
4336 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4337 (build/genpeep.o): Add toplev.h dependency.
4338 * config/rs6000/constraints.md: Add "W" constraint.
4340 2006-03-29 Roger Sayle <roger@eyesopen.com>
4342 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4343 sizes by correctly testing whether the size fits a host integer.
4344 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4345 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4346 SImode range for the default sizetype and bitsizetype.
4348 2006-03-29 Roger Sayle <roger@eyesopen.com>
4350 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4351 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4352 quickly if the argument is already of the correct type.
4353 Call fold_build1 instead of build1. Tidy up blank lines.
4355 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4357 * genemit.c (main): Add tm-constrs.h to included headers.
4358 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4359 * genpeep.c (main): Add tm-constrs.h to included headers.
4360 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4361 (write_tm_constrs_h): this and write complete file.
4362 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4363 (write_insn_preds_c): Add tm-constrs.h to included headers.
4364 (gen_constrs): New variable.
4365 (parse_option): Parse "-c".
4366 (main): Invoke write_tm_constrs_h.
4367 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4368 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4369 (object_out_file): Add tm-constrs.h dependency.
4370 (insn-emit.o): Same.
4371 (insn-output.o): Same.
4372 (insn-peep.o): Same.
4373 (insn-preds.o): Same.
4374 (insn-recog.o): Same.
4375 (tm-constsr.h): New target.
4376 (s-constrs-h): New target.
4378 * config/rs6000/constraints.md: New file.
4379 * config/rs6000/rs6000.c: Include tm-constrs.h.
4380 (num_insn_constant_wide): Convert to satisfies_constraint.
4381 (rs6000_rtx_costs): Convert to satisfies_constraint.
4382 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4383 (CONST_OK_FOR_LETTER_P): Delete.
4384 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4385 (EXTRA_CONSTRAINT): Delete.
4386 (EXTRA_MEMORY_CONSTRAINT): Delete.
4387 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4388 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4389 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4390 satisfies_constraint.
4392 * config/i386/i386.c: Include tm-constrs.h.
4394 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4396 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4397 * tree-data-ref.c (find_data_references_in_loop,
4398 compute_data_dependences_for_loop): Use pointers to VEC.
4399 (analyze_all_data_dependences): Adjust calls.
4400 * tree-data-ref.h (find_data_references_in_loop,
4401 compute_data_dependences_for_loop): Adjust declarations.
4402 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4403 compute_data_dependences_for_loop.
4405 2006-03-29 Paul Brook <paul@codesourcery.com>
4407 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4410 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4412 PR tree-optimization/26859
4413 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4415 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4416 for the step after fold_convert.
4418 2006-03-29 Paul Brook <paul@codesourcery.com>
4420 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4421 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4423 2006-03-29 Paul Brook <paul@codesourcery.com>
4426 * targhooks.c (default_narrow_bitfield): New fuction.
4427 * targhooks.h (default_narrow_bitfield): add prototype.
4428 * target.h (gcc_target): Add narrow_volatile_bitfield.
4429 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4430 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4431 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4432 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4434 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4436 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4438 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4439 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4440 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4441 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4442 (s390_function_arg_float): Allow SDmode and DDmode values to be
4443 passed in floating point registers.
4444 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4445 check with SCALAR_FLOAT_MODE_P.
4446 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4448 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4450 PR tree-optimization/25985
4451 * tree-ssa-loop-niter.c (number_of_iterations_le,
4452 number_of_iterations_ne): Make comments more precise.
4453 (number_of_iterations_cond): Add only_exit argument. Use the
4454 fact that signed variables do not overflow only when only_exit
4456 (loop_only_exit_p): New.
4457 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4458 number_of_iterations_cond.
4460 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4462 PR tree-optimization/26643
4463 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4466 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4468 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4469 (divsi3_i4_int): Likewise.
4471 2006-03-28 Roger Sayle <roger@eyesopen.com>
4473 * expr.c (emit_group_store): Only create a new pseudo reg if the
4474 quantity it needs to hold isn't already a suitable pseudo.
4476 2006-03-28 Jeff Law <law@redhat.com>
4478 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4479 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4481 2006-03-28 Roger Sayle <roger@eyesopen.com>
4483 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4484 the equivalent ~X & Y, and the symmetry related transformations.
4485 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4486 ~X & Y, and symmetry related transforms.
4488 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4490 Revert my 2006-03-27 patches.
4492 2006-03-28 Roger Sayle <roger@eyesopen.com>
4494 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4495 ~(T1)X, when T1 and T2 are integer types of the same precision
4496 and (T2)X isn't an extension.
4498 2006-03-28 Jeff Law <law@redhat.com>
4500 PR tree-optimization/26796
4501 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4502 need EH edge cleanups rather than purging them immediately.
4503 (eliminate_degenerate_phis): Handle queued EH cleanups.
4505 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4507 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4510 2006-03-27 Roger Sayle <roger@eyesopen.com>
4513 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4514 cast BIT_NOT_EXPR operand to the correct type.
4516 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4518 * tree-loop-linear.c: Don't include varray.h.
4519 (gather_interchange_stats, try_interchange_loops,
4520 linear_transform_loops): Use VEC instead of VARRAY.
4521 * lambda-mat.c: Don't include varray.h.
4522 * tree-chrec.c: Same.
4523 * lambda-trans.c: Same.
4524 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4525 VEC instead of VARRAY.
4526 * tree-vectorizer.h: Idem.
4527 * tree-data-ref.c (dump_data_references,
4528 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4529 initialize_data_dependence_relation, finalize_ddr_dependent,
4530 compute_all_dependences, find_data_references_in_loop,
4531 compute_data_dependences_for_loop, analyze_all_data_dependences,
4532 free_dependence_relation, free_dependence_relations,
4533 free_data_refs): Idem.
4534 * tree-data-ref.h (data_reference_p, subscript_p): New.
4535 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4536 VEC instead of VARRAY.
4537 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4538 (find_data_references_in_loop, compute_data_dependences_for_loop,
4539 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4540 dump_data_dependence_relations, free_dependence_relations,
4541 free_data_refs): Adjust declaration.
4542 (lambda_transform_legal_p): Move declaration here...
4543 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4544 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4545 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4546 vect_analyze_data_refs): Use VEC instead of VARRAY.
4547 * lambda.h (lambda_transform_legal_p): ...from here.
4548 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4549 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4550 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4551 tree-chrec.o): Don't depend on VARRAY_H.
4553 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4555 * rtl.def (Copyright): Update date.
4556 (DEPS_LIST): Change type of the second operand to 'int'.
4557 * target.h (Copyright): Update date.
4558 (struct gcc_target.speculate_insn): Change type of the second parameter
4560 * lists.c (Copyright): Update date.
4561 (alloc_DEPS_LIST): Change signature. Update reference to the second
4562 operand of the DEPS_LIST.
4563 (copy_DEPS_LIST_list): Update reference to the second operand of the
4565 * rtl.h (Copyright): Update date.
4566 (alloc_DEPS_LIST): Update signature.
4567 * sched-int.h (Copyright): Update date.
4568 (ds_t): Change typedef to 'int'.
4569 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4571 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4573 * haifa-sched.c (Copyright): Update date.
4574 (try_ready): Change condition to restore non-speculative pattern
4576 (process_insn_depend_be_in_spec): Code to keep probability of the
4577 speculative dependence non-decreasing.
4579 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4581 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4582 shut up the compiler.
4584 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4586 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4587 to use lib prefix for target.
4588 ($(T)libic_invalidate_array_4-200.a): Likewise.
4589 ($(T)libic_invalidate_array_4a.a): Likewise.
4591 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4592 J"orn Rennecke <joern.rennecke@st.com>
4594 * superh.opt: New file.
4595 * sh.c (boardtype, osruntime): Remove.
4596 * superh.h (SUBTARGET_OPTIONS): Remove.
4597 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4599 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4600 arguments with ^ and/or [].
4602 * config.gcc (sh-*-*): Add quoting to account for quirk of
4604 Replace == with = in enable_incomplete_targets test.
4606 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4607 with MASK_LITTLE_ENDIAN.
4609 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4610 * config/sh/sh.opt: Added to some comments.
4611 * config/sh/superh.h: Removed some chaff.
4613 * config/sh/sh.opt: Add m4-[1234]00* options.
4614 * config/sh/sh.c (sh_handle_option): Likewise.
4615 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4616 (ic_invalidate_array_4-100.o): New rule.
4617 ($(T)libic_invalidate_array_4-100.a): Likewise.
4618 (ic_invalidate_array_4-200.o): Likewise.
4619 ($(T)libic_invalidate_array_4-200.a): Likewise.
4620 (ic_invalidate_array_4a.o): Likewise.
4621 ($(T)libic_invalidate_array_4a.a): Likewise.
4622 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4623 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4625 * config/sh/crt1.asm: Merged in profiling code.
4626 * config/sh/superh.h (STARTFILE_SPEC): Override.
4627 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4628 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4629 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4631 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4632 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4633 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4635 * sh.opt (mpretend-cmove): New option.
4636 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4637 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4638 (movsicc): Add TARGET_PRETEND_CMOVE code.
4640 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4642 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4643 s390_class_max_nregs): New function prototypes.
4644 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4645 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4646 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4647 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4649 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4651 * dwarf2out.c (add_location_or_const_value_attribute): Call
4652 tree_add_const_value_attribute if nothing else works.
4653 (reference_to_unused): New.
4654 (rtl_for_decl_init): Use reference_to_unused to decide whether
4655 to output an initializer.
4657 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4660 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4661 peephole removing spe frob_di_df_2.
4663 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4665 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4666 (subscript_dependence_tester_1): Declared.
4667 (print_dir_vectors, print_dist_vectors): New.
4668 (debug_data_dependence_relation): New.
4669 (dump_data_dependence_relation): Print more details.
4670 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4671 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4672 (save_dist_v, save_dir_v, add_outer_distances,
4673 build_classic_dist_vector_1): New.
4674 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4675 Don't test for lambda_vector_lexico_pos.
4676 (same_access_functions, add_multivariate_self_dist,
4677 add_other_self_distances, dir_from_dist): New.
4678 (build_classic_dir_vector): Replace implementation almost identical to
4679 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4681 (subscript_dependence_tester_1): New.
4682 (subscript_dependence_tester): Handle the lexicographically negative
4683 distance vectors by recomputing the dependence relation.
4684 (compute_affine_dependence): Remove parameter loop_nest_depth.
4685 (compute_self_dependence): Don't call compute_subscript_distance.
4686 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4687 Add a parameter for the loop_nest.
4688 (find_loop_nest_1, find_loop_nest): New.
4689 (compute_data_dependences_for_loop): Compute the loop nest, and give
4690 up if the nest is not well formed.
4691 * tree-data-ref.h (loop_p): New.
4692 (struct data_dependence_relation): Replace size_vect field with
4693 loop_nest, a vec of loops.
4694 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4695 (DDR_LOOP_NEST): New.
4696 (print_dir_vectors, print_dist_vectors,
4697 debug_data_dependence_relation): Declared.
4698 (index_in_loop_nest): New.
4699 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4700 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4703 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4705 * simplify-rtx.c (simplify_relational_operation): Call
4706 simplify_relational_operation_1 even if mode is VOIDmode.
4708 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4710 PR tree-optimization/26804
4711 * tree.h (DECL_CALL_CLOBBERED): New macro.
4712 (tree_decl_common): Add call_clobbered_flag.
4713 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4714 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4715 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4716 (mark_non_addressable): Ditto.
4717 * tree-ssa.c (verify_call_clobbered): New function.
4718 (verify_alias_info): Use it.
4719 * tree-pass.h (pass_reset_cc_flags): New prototype.
4720 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4721 (reset_cc_flags): New function.
4722 * passes.c (init_optimization_passes): Call reset_cc_flags after
4723 initializing referenced_vars.
4725 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4726 Roger Sayle <roger@eyesopen.com>
4729 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4730 to 1.0 for non-real operands. Implement A / A optimization for
4733 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4735 * config/i386/i386.c (size_cost): Correct the comment for
4736 cost of storing fp registers.
4737 (i386_cost): Likewise.
4738 (i486_cost): Likewise.
4739 (pentium_cost): Likewise.
4740 (pentiumpro_cost): Likewise.
4741 (k6_cost): Likewise.
4742 (athlon_cost): Likewise.
4743 (k8_cost): Likewise.
4744 (pentium4_cost): Likewise.
4745 (nocona_cost): Likewise.
4746 (generic64_cost): Likewise.
4747 (generic32_cost): Likewise.
4749 2006-03-24 Denis Chertykov <denisc@overta.ru>
4751 * config/avr/avr-protos.h (extra_constraint): Delete.
4752 (extra_constraint_Q): New declaration.
4753 * config/avr/constraints.md: New file.
4754 * config/avr/avr.md: Include it.
4755 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4756 (TMP_REGNO, ZERO_REGNO): Likewise.
4757 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4758 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4759 (extra_constraint): Delete.
4760 (extra_constraint_Q): Test for memory constraint 'Q'.
4761 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4762 (REG_CLASS_FROM_LETTER): Delete.
4763 (CONST_OK_FOR_LETTER_P): Delete.
4764 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4765 (EXTRA_CONSTRAINT): Delete.
4766 (TMP_REGNO): Delete.
4767 (ZERO_REGNO): Delete.
4769 2006-03-24 Jeff Law <law@redhat.com>
4771 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4772 directly. Call mark_new_vars_to_rename slightly earlier.
4774 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4776 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4778 (gen_compile_unit_die): Use new language types for Objective-C and
4780 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4781 DW_LANG_C_plus_plus.
4784 * config/t-darwin (crt3.o): Work around bug 26840.
4785 * config/darwin-crt3.c: Rewrite.
4786 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4788 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4790 * doc/invoke.texi: Document -femit-class-debug-always
4791 * common.opt: Add -femit-class-debug-always.
4793 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4795 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4796 index and base register.
4797 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4798 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4799 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4800 REGNO_OK_FOR_INDEX_P.
4801 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4803 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4804 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4805 REG_OK_FOR_BASE_P): Definitions removed.
4807 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4810 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4811 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4812 set yet or weren't marked as local yet.
4814 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4816 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4819 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4821 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4822 (rs6000_legitimate_small_data_p): Delete.
4823 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4824 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4825 and make static. Add forward declaration. Update uses.
4826 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4827 of offsettable_memref_p.
4828 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4829 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4831 2006-03-24 Jeff Law <law@redhat.com>
4833 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4834 around bug in immediate-use iterator.
4836 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4839 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4840 or __LITTLE_ENDIAN__.
4842 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4844 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4845 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4846 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4847 * config/sh/sh.opt (mdiv=): Amend description.
4848 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4849 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4850 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4851 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4852 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4853 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4854 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4855 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4856 TARGET_DIVIDE_CALL_FP.
4858 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4860 * haifa-sched.c (choose_ready): Fix type of the local variable.
4861 Move local variables. Add comment.
4862 (check_reg_live): Change signature. Make callable from debugger.
4863 * sched-int.h (check_reg_live): Update signature.
4864 * sched-ebb.c (check_reg_live): Update parameters.
4865 * sched-rgn.c (check_reg_live): Ditto.
4866 (region_head_or_leaf_p): Check pointer before dereferencing.
4867 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4868 before reload on optimization levels below 1.
4870 2006-03-23 Richard Henderson <rth@redhat.com>
4872 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4876 * config/alpha/predicates.md (local_symbolic_operand): Reject
4879 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4882 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4883 expressions which have overflowed constants.
4885 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4887 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4889 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4891 * cfgloopmanip.c (create_loop_notes): Removed.
4892 * final.c (final_scan_insn): Do not handle loop notes.
4893 * jump.c (squeeze_notes): Ditto.
4894 * cfglayout.c (skip_insns_after_block,
4895 duplicate_insn_chain): Ditto.
4896 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4898 * cfgloop.h (create_loop_notes): Declaration removed.
4900 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4902 * varasm.c (output_constant_pool): Restore fnname and fndecl
4904 (assemble_start_function): Adjust call accordingly.
4905 (assemble_end_function): Likewise.
4907 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4910 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4913 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4915 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4918 * system.h (ICE_EXIT_CODE): New macro.
4919 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4920 (diagnostic_action_after_output): Likewise.
4921 * gcc.c (fatal_ice): New function.
4922 (execute): Use it instead of fatal.
4923 (fancy_abort): Likewise.
4924 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4926 2006-03-22 Jeff Law <law@redhat.com>
4928 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4929 iv_analyze_result returning false.
4931 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4933 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4935 2006-03-22 Richard Henderson <rth@redhat.com>
4938 * except.c (duplicate_eh_regions_0): New.
4939 (duplicate_eh_region_1): Duplicate the children of the node as
4940 well as the node itself. Link them up properly.
4941 (duplicate_eh_region_2): Merge into ...
4942 (duplicate_eh_regions): ... here. Take copy_region argument, and
4943 copy only a sub-tree if asked. Simplify copying and fixup.
4944 (eh_region_outer_p): New.
4945 * except.h (duplicate_eh_regions): Update decl.
4946 (eh_region_outer_p): Declare.
4947 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4948 (lower_omp_master): Likewise.
4949 (lower_omp_ordered): Likewise.
4950 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4951 (move_stmt_r): Use it to remap labels. Handle recursion vs
4952 remap_decls_p properly.
4953 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4954 (find_outermost_region_in_block): New.
4955 (new_label_mapper): New.
4956 (move_sese_region_to_fn): Copy eh information to the new function
4958 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4960 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4963 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4965 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4966 into shared libraries.
4968 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4970 * doc/md.texi: Refer to i386/constraints.md instead of
4972 * config/i386/constraints.md: New file, extracted from...
4973 * config/i386/predicates.md: ...here.
4974 * config/i386/i386.md: Include constraints.md.
4976 2006-03-21 Jason Merrill <jason@redhat.com>
4978 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4981 * expr.c (init_block_move_fn): Force default visibility.
4982 (init_block_clear_fn): Likewise.
4983 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4984 * targhooks.c (default_external_stack_protect_fail): Likewise.
4986 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4988 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4989 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4990 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4991 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4992 (loadgp): Use mips_current_loadgp_style.
4993 (loadgp_noshared): New pattern.
4994 (sibcall_internal): Use MIPS_CALL.
4995 (sibcall_value_internal): Likewise.
4996 (sibcall_value_multiple_internal): Likewise.
4997 (call_internal): Likewise.
4998 (call_value_internal): Likewise.
4999 (call_value_multiple_internal): Likewise.
5000 (call_split): Use MIPS_CALL and add an 'S' constraint.
5001 (call_value_split): Likewise.
5002 (call_value_multiple_split): Likewise.
5003 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5004 (-mshared): New option.
5005 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5006 (mips_current_loadgp_style): Declare.
5007 * config/mips/mips.c (mips_classify_symbol): Avoid using
5008 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5009 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5010 TARGET_ABSOLUTE_ABICALLS.
5011 (override_options): Adjust comments. Improve the warning that is
5012 issued when -mabicalls and -G are used together.
5013 (mips_file_start): Remove comment.
5014 (mips_current_loadgp_style): New function.
5015 (mips_gnu_local_gp): New variable.
5016 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5018 (mips_output_function_prologue): Use mips_current_laodgp_style.
5019 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5020 the cprestore instruction.
5021 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5022 live for TARGET_ABSOLUTE_ABICALLS.
5023 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5024 (ASM_SPEC): Pass down -mshared and -mno-shared.
5025 (MIPS_CALL): New macro.
5026 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5028 * doc/invoke.texi (-mabicalls): Update documentation.
5029 (-mshared): Document.
5031 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5033 * config/ia64/unwind-hpux.c: New file.
5034 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5036 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5039 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5041 2006-03-21 Jeff Law <law@redhat.com>
5043 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5044 type conversions of a VR_VARYING source to a wider type.
5046 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5048 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5049 tm_file on Solaris 10 and later.
5050 (sparc64-*-solaris2*): Likewise.
5051 (sparc-*-solaris2*): Likewise.
5052 * config/sol26.h: Rename to config/sol2-6.h.
5053 * config/sol2-10.h: New file.
5055 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5058 * tree-ssa-pre.c (create_component_ref_by_pieces):
5061 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5064 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5065 return it immediately.
5067 2006-03-21 Michael Matz <matz@suse.de>
5069 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5071 (remove_arc, add_arc): Update num_out_arcs member.
5072 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5074 (cache_presence): New function.
5075 (compare_states_for_equiv): New function.
5076 (state_is_differed): Don't take number of outargs, adjust callers.
5077 Use new invariant for speeding up.
5078 (init_equiv_class): Create initial classes based on sorted
5080 (partition_equiv_class): Don't track out_arcs_num.
5081 (evaluate_equiv_classes): Call cache_presence on all states and
5084 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5086 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5087 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5088 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5089 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5091 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5092 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5093 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5094 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5095 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5097 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5098 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5099 (REGNO_REG_CLASS): ARGP is in PREGS.
5100 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5102 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5103 to deal with those addresses.
5104 * addresses.h: New file.
5105 * caller-save.c: Include "addresses.h".
5106 (init_caller_save): Use new base_reg_class function.
5107 * rtl-factoring.c: Include "addresses.h".
5108 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5109 * recog.c: Include "addresses.h".
5110 (preprocess_constraints): Use new base_reg_class function.
5111 * regrename.c: Include "addresses.h".
5112 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5113 functions. Keep track of a new var INDEX_CODE to compute valid
5115 (replace_oldest_value_addr): Likewise.
5116 (replace_oldest_value_mem): Use base_reg_class.
5117 * reload.c: Include "addresses.h".
5118 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5119 (find_reloads): Use new base_reg_class function.
5120 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5121 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5122 all callers and prototype changed.
5123 * reload1.c: Include "addresses.h".
5124 (maybe_fix_stack_asms): Use base_reg_class.
5125 * regclass.c: Include "addresses.h".
5126 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5127 (init_reg_autoinc): Use new base_reg_class function.
5128 (record_reg_classes): Likewise.
5129 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5130 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5131 Use new args to compute necessary class.
5133 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5134 regrename.o, rtl-factoring.o): Update dependencies.
5135 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5136 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5137 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5138 REG_OK_FOR_INDEX_P): Delete documentation.
5140 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5142 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5143 from V7 to V9 for Solaris 7 and above.
5145 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5147 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5148 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5149 argument pointers may not alias any other storage.
5150 * common.opt: Define option -fargument-noalias-anything.
5151 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5152 alias semantics is specified by flag_argument_noalias > 2.
5154 2006-03-20 Jeff Law <law@redhat.com>
5156 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5157 (pass_phi_only_cprop): Declare.
5158 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5160 * tree-ssa-dom.c (degenerate_phi_result): New function.
5161 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5162 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5163 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5164 (eliminate_degenerate_phis): Likewise.
5165 (pass_phi_only_cprop): New pass descriptor.
5166 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5167 support code. Callers updated.
5168 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5169 (store_copy_prop): Likewise.
5170 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5172 2006-03-20 Jason Merrill <jason@redhat.com>
5175 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5176 (push_visibility, pop_visibility): Likewise.
5177 * c-pragma.h: Declare them.
5179 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5181 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5183 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5184 parameter and use get_ebb_head_tail.
5185 (sh_md_init_global): Adjust uses of find_regmode_weight.
5187 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5189 * function.h (struct function) <x_tail_recursion_reentry>:
5190 Rename to x_stack_check_probe_note.
5191 (tail_recursion_reentry): Rename to stack_check_probe_note.
5192 * function.c: Replace tail_recursion_reentry with
5193 stack_check_probe_note everywhere.
5194 (expand_function_start): Only emit a note for
5195 stack_check_probe_note with -fstack-protect.
5196 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5198 * emit-rtl.c (remove_unnecessary_notes): Remove.
5199 (pass_remove_unnecessary_notes): Remove.
5200 * rtl.h (remove_unnecessary_notes): Remove prototype.
5201 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5202 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5203 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5205 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5208 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5209 (valid_in_set): Handle ARRAY_REF.
5210 Change "if min_variant or VH" to asserts.
5211 (create_component_ref_by_pieces): Handle ARRAY_REF.
5212 (create_expression_by_pieces): Likewise.
5213 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5215 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5217 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5218 is operand of switch, not str[0].
5220 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5222 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5223 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5225 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5227 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5228 end of insn_extra_address_constraint declaration.
5230 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5232 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5233 (no-sum-in-toc): Same.
5234 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5236 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5237 NO_FP_IN_TOC for -fPIC instead of mask.
5239 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5240 (BOOT_LDFLAGS): Delete.
5242 * config/rs6000/t-aix52: Same.
5244 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5245 (stmsi[345678]_power): New.
5247 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5249 * config/ia64/ia64.opt: Add empty line to end of file.
5251 2006-03-17 Richard Guenther <rguenther@suse.de>
5254 * builtins.c (get_pointer_alignment): For component style references
5255 adjust alignment to the component type alignment. Make sure
5256 to adjust alignment for component access of constants.
5258 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5260 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5263 2006-03-17 Paul Brook <paul@codesourcery.com>
5265 * doc/install.texi: Docuemnt --with-mode.
5266 * config.gcc: Add --with-mode for arm*-*-*.
5267 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5269 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5271 * sh.c (max_labelno_before_reorg): New variable.
5272 (sh_reorg): Initialize it.
5273 (find_barrier): Check max_labelno_before_reorg before using
5274 label_to_alignment. Take length of explicit alignment insns
5275 into account. When seeing a UNSPECV_CONST_END, return it.
5277 * sh.c (fixup_mova): Set mode of affected label to QImode.
5278 (untangle_mova): New function.
5279 (find_barrier): Use it. Check mode of label before decrementing
5281 (sh_reorg): Likewise.
5282 Set mode of all insns back to VOIDmode.
5284 * sh.c (MOVA_LABELREF): New macro.
5285 (mova_p, fixup_mova, sh_reorg): Use it.
5286 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5287 ADDR_DIFF_VEC matches mova.
5289 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5291 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5292 with ATTRIBUTE_UNUSED.
5294 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5296 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5297 pointer, instead of assuming it is possible to derive the
5298 correct args size from a call insn.
5300 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5302 * rtl.h (CONST_INT_P): Define.
5303 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5304 instead of GET_CODE(x) == CONST_INT.
5305 (vax_rtx_costs): Likewise.
5306 (vax_output_int_move): Likewise.
5307 (vax_output_int_add): Likewise.
5308 (legitimate_constant_address_p): Likewise.
5309 (index_term_p): Likewise.
5310 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5311 * config/vax/vax.md (and<mode>3): Likewise.
5312 (ashrsi3): Likewise.
5314 (movstricthi): Likewise.
5315 (movstrictqi): Likewise.
5316 (rotrsi3): Likewise.
5317 (five unnamed insns): Likewise.
5319 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5321 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5322 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5323 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5324 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5325 Pass to ASM_OUTPUT_DWARF_OFFSET.
5326 * dwarf2out.c (debug_frame_section): New.
5327 (output_call_frame_info): Use debug_frame_section. Pass it to
5328 dw2_asm_output_offset.
5329 (output_die): Pass appropriate section to dw2_asm_output_offset.
5330 (output_compilation_unit_header): Likewise.
5331 (output_pubnames): Likewise.
5332 (output_aranges): Likewise.
5333 (enum dw_val_class): Break dw_val_class_lbl_offset into
5334 dw_val_class_lineptr and dw_val_class_macptr.
5335 (add_AT_lbl_offset): Delete.
5336 (add_AT_lineptr): New.
5337 (add_AT_macptr): New.
5338 (AT_lbl): Expect a lineptr or macptr.
5339 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5340 (attr_checksum): Likewise.
5341 (same_dw_val_p): Likewise.
5342 (size_of_die): Likewise.
5343 (value_format): Likewise.
5344 (output_die): Likewise.
5345 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5347 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5348 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5349 * config/darwin-protos.h (darwin_file_start): New.
5350 (darwin_asm_output_dwarf_offset): New.
5351 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5352 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5354 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5355 if not EH section; simplify.
5356 (darwin_file_start): New.
5357 (darwin_asm_output_dwarf_offset): New.
5358 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5360 (DEBUG_INFO_SECTION): Likewise.
5361 (DEBUG_ABBREV_SECTION): Likewise.
5362 (DEBUG_ARANGES_SECTION): Likewise.
5363 (DEBUG_MACINFO_SECTION): Likewise.
5364 (DEBUG_LINE_SECTION): Likewise.
5365 (DEBUG_LOC_SECTION): Likewise.
5366 (DEBUG_PUBNAMES_SECTION): Likewise.
5367 (DEBUG_STR_SECTION): Likewise.
5368 (DEBUG_RANGES_SECTION): Likewise.
5369 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5370 (ASM_OUTPUT_DWARF_OFFSET): New.
5372 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5374 * config.gcc (tm_defines): Always add to previous value rather
5377 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5379 * config/mips/predicates.md (splittable_const_int_operand): New,
5380 split from move_operand.
5381 (splittable_symbolic_operand): New.
5382 (move_operand): Add commentary. Use splittable_const_int_operand.
5383 Inline mips_atomic_symbolic_constant_p.
5384 * config/mips/mips.md: Add combine splitters for handling moves
5385 of splittable_const_int_operands and splittable_symbolic_operands.
5386 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5387 (mips_split_symbol): Declare.
5388 (mips_move_integer): Declare.
5389 * config/mips/mips.c (mips_split_p): Make global.
5390 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5391 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5392 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5393 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5394 (mips_offset_within_object_p): Handle block symbols.
5395 (mips_atomic_symbolic_constant_p): Delete.
5396 (mips_cannot_force_const_mem): Return false for constants that
5397 mips_legitimize_move can handle.
5398 (mips_use_blocks_for_constant_p): New function.
5399 (mips_split_symbol): Make global.
5400 (mips_move_integer): Likewise. Add a temporary register argument.
5401 (mips_legitimize_const_move): Use splittable_const_int_operand and
5402 splittable_symbolic_operand.
5403 (mips_use_anchors_for_symbol_p): New function.
5404 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5405 (mips_split_p): Declare.
5407 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5409 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5410 (mips*-*-linux*): Likewise.
5412 2006-03-16 Roger Sayle <roger@eyesopen.com>
5413 Daniel Speyer <dspeyer@wam.umd.edu>
5416 * tree-dump.c (dump_real): New function.
5417 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5418 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5419 (tree-dump.o): Add $(REAL_H) to the dependencies.
5421 2006-03-16 Roger Sayle <roger@eyesopen.com>
5424 * real.c (real_from_string): If the mantissa is zero, don't bother
5425 parsing the exponent as the result should always be zero.
5427 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5429 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5431 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5433 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5434 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5435 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5436 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5437 ia64_sched_finish_global): New static functions to implement
5438 hooks from gcc_target.sched.
5439 (spec_check_no, max_uid, pending_data_specs): New static variables.
5440 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5441 ia64_spec_check_src_p): New static functions.
5442 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5443 (TARGET_SCHED_ADJUST_COST): Removed.
5444 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5445 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5446 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5447 TARGET_SCHED_GEN_CHECK,
5448 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5449 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5450 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5451 Fixed to handle speculation checks.
5452 (rtx_needs_barrier): Fixed to handle speculative loads and
5454 (ia64_variable_issue): Added code to count speculative loads and their
5456 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5458 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5460 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5462 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5463 (ia64_reorg): Reset stops_p to NULL after it is freed.
5464 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5465 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5466 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5468 (data_speculative, control_speculative, check_load): New attributes.
5469 (mov<mode>_advanced, mov<mode>_speculative,
5470 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5471 zero_extend<mode>di2_speculative,
5472 zero_extend<mode>di2_speculative_advanced): New patterns for
5473 data and control speculative loads.
5474 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5476 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5477 New pattern for data and control speculation checks.
5478 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5479 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5480 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5481 Auxiliary definitions for the patterns.
5482 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5483 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5485 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5487 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5488 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5489 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5490 New resource constraints.
5491 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5493 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5494 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5495 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5496 msched-in-control-spec, msched-ldc, msched-control-ldc,
5497 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5498 msched-prefer-non-control-spec-insns,
5499 msched-count-spec-in-critical-path): New flags to tune speculative
5501 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5502 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5503 msched-in-control-spec, msched-ldc, msched-control-ldc,
5504 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5505 msched-prefer-non-control-spec-insns,
5506 msched-count-spec-in-critical-path): Document new flags.
5508 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5510 * target.h (struct spec_info_def): New opaque declaration.
5511 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5512 speculate_insn, needs_block_p, gen_check,
5513 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5514 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5515 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5516 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5517 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5518 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5520 (TARGET_SCHED): Use new macros.
5521 * rtl.h (copy_DEPS_LIST_list): New prototype.
5522 * sched-int.h (struct sched_info): Change signature of new_ready field,
5523 adjust all initializations. New fields: add_remove_insn,
5524 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5525 region_head_or_leaf_p.
5526 (struct spec_info_def): New structure declaration.
5527 (spec_info_t): New typedef.
5528 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5529 recovery_block, orig_pat.
5530 (glat_start, glat_end): New variables declaraions.
5531 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5533 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5534 DETACH_LIFE_INFO, USE_GLAT.
5535 (enum SPEC_SCHED_FLAGS): New enumeration.
5536 (NOTE_NOTE_BB_P): New macro.
5537 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5538 attach_life_info, debug_spec_status, check_reg_live): New functions.
5539 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5540 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5542 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5543 * ddg.c (get_block_head_tail): Adjust all uses.
5544 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5545 (sms_sched_info): Initialize new fields.
5546 (contributes_to_priority): Removed.
5547 * haifa-sched.c (params.h): New include.
5548 (get_block_head_tail): Adjust all uses.
5549 (ISSUE_POINTS): New macro.
5550 (glat_start, glat_end): New global variables.
5551 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5552 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5553 old_last_basic_block, before_recovery, current_sched_info_var,
5554 rgn_n_insns, luid): New static variables.
5555 (insn_cost1): New function. Move logic from insn_cost to here.
5556 (find_insn_reg_weight1): New function. Move logic from
5557 find_insn_reg_weight to here.
5558 (reemit_notes, move_insn, max_issue): Change signature.
5559 (move_insn1): Removed.
5560 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5561 extend_bb): New static functions to support extension of scheduler's
5563 (generate_recovery_code, process_insn_depend_be_in_spec,
5564 begin_speculative_block, add_to_speculative_block,
5565 init_before_recovery, create_recovery_block, create_check_block_twin,
5566 fix_recovery_deps): New static functions to support
5567 generation of recovery code.
5568 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5569 restore_bb_notes, move_block_after_check, move_succs): New static
5570 functions to support ebb scheduling.
5571 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5572 functions to support handling of register live information.
5573 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5574 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5575 add_jump_dependencies): New static functions.
5576 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5577 consistancy checking.
5578 (debug_spec_status): New function to call from debugger.
5579 (priority): Added code to handle speculation checks.
5580 (rank_for_schedule): Added code to distinguish speculative instructions.
5581 (schedule_insn): Added code to handle speculation checks.
5582 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5583 Fixed to handle ebbs.
5584 (move_insn): Added code to handle ebb scheduling.
5585 (max_issue): Added code to use ISSUE_POINTS of instructions.
5586 (choose_ready): Added code to choose between speculative and
5587 non-speculative instructions.
5588 (schedule_block): Added code to handle ebb scheduling and scheduling of
5589 speculative instructions.
5590 (sched_init): Initialize new variables.
5591 (sched_finish): Free new variables. Print statistics.
5592 (try_ready): Added code to handle speculative instructions.
5593 * lists.c (copy_DEPS_LIST_list): New function.
5594 * sched-deps.c (extend_dependency_caches): New function. Move logic
5595 from create_dependency_caches to here.
5596 (get_dep_weak, ds_merge): Make global.
5597 * genattr.c (main): Code to output prototype for
5598 dfa_clear_single_insn_cache.
5599 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5600 (output_dfa_clean_insn_cache_func): Code to output
5601 dfa_clear_single_insn_cache function.
5602 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5604 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5606 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5607 New static variables.
5608 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5609 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5611 (ebb_sched_info): Initialize new fields.
5612 (get_block_head_tail): Adjust all uses.
5613 (compute_jump_reg_dependencies): Fixed to use glat_start.
5614 (schedule_ebb): Code to remove unreachable last block.
5615 (schedule_ebbs): Added code to update register live information.
5616 * sched-rgn.c (region_sched_info): Initialize new fields.
5617 (get_block_head_tail): Adjust all uses.
5618 (last_was_jump): Removed. Adjust users.
5619 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5620 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5621 Implement new hooks.
5622 (check_dead_notes1): New static function.
5623 (struct region): New fields: dont_calc_deps, has_real_ebb.
5624 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5625 (BB_TO_BLOCK): Fixed to handle EBBs.
5626 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5627 (ebb_head): New static variable.
5628 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5629 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5631 (compute_dom_prob_ps): New assertion.
5632 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5633 global_live_at_start.
5634 (init_ready_list): New assertions.
5635 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5636 (new_ready): Add support for BEGIN_CONTROL speculation.
5637 (schedule_insns): Fixed code that updates register live information
5639 (schedule_region): Fixed to handle EBBs.
5640 (init_regions): Use extend_regions and check_dead_notes1.
5641 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5642 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5643 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5644 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5645 TARGET_SCHED_GEN_CHECK,
5646 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5647 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5648 * doc/invoke.texi (max-sched-insn-conflict-delay,
5649 sched-spec-prob-cutoff): Document.
5651 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5653 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5654 inter_tick, queue_index.
5655 (struct sched_info): Change signature of init_ready_list field.
5656 Adjust all initializations.
5657 (RESOLVED_DEPS): New access macro.
5658 (ready_add): Remove prototype.
5659 (try_ready): Add prototype.
5660 * sched-rgn.c (init_ready_list): Use try_ready.
5661 (schedule_region): Initialize
5662 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5663 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5664 (init_ready_list): Use try_ready.
5665 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5666 * lists.c (remove_list_elem): Remove `static'.
5667 (remove_free_INSN_LIST_elem): New function.
5668 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5669 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5670 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5672 (readyp): New variable.
5673 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5674 change_queue_index, resolve_dep): New static functions.
5675 (try_ready): New function. Adjust callers in sched-rgn.c and
5676 sched-ebb.c to use it instead of ready_add.
5677 (clock_var): Move at the begining of file.
5678 (rank_for_schedule): Fix typo.
5679 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5680 (ready_lastpos): Enforce assertion.
5681 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5683 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5684 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5685 (queue_to_ready): Use free_INSN_LIST_list.
5686 (early_queue_to_ready): Fix typo.
5687 (schedule_block): Init readyp. Move init_ready_list call after the
5688 initialization of clock_var. Fix error in rejecting insn by
5689 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5690 that previously corrected INSN_TICKs. Add code for handling
5692 (set_priorities): Fix typo.
5693 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5694 Clarify comment and code that keeps current_sched_info->next_tail
5697 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5699 * sched-rgn.c (extend_rgns): New static function.
5700 (find_rgns): Use it.
5701 (gather_region_statistics, print_region_statistics): New static
5703 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5704 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5706 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5707 Andrey Belevantsev <abel@ispras.ru>
5709 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5710 * lists.c (unused_deps_list): New variable.
5711 (free_list): Add assertions to verify the proper distinguishing
5712 between INSN_LISTs and DEPS_LISTs.
5713 (find_list_elem, remove_list_elem, remove_list_node): New static
5715 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5716 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5717 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5718 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5720 (free_INSN_LIST_node): Likewise.
5721 * modulo-sched.c (current_sched_info): Initialize flags field.
5722 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5723 * rtl.def (DEPS_LIST): Define.
5724 * rtl.h: Declare new functions from lists.c.
5725 * sched-deps.c (spec_dependency_cache): New static variable.
5726 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5727 (add_dependence): Change return type to void. Move the logic to ...
5728 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5729 (delete_all_dependences): Add comment about forward_dependency_cache.
5730 Handle spec_dependency_cache. Handle DEPS_LISTs.
5731 (fixup_sched_groups): Clarify the change of priority of output
5732 and anti dependencies.
5733 (sched_analyze_2): Adjust add_dependence calls to create data
5734 speculative dependence.
5735 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5736 Adjust all callers. Handle DEPS_LISTS.
5737 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5738 presence of speculation.
5739 (init_dependency_caches, free_dependency_caches):
5740 Handle spec_dependency_cache.
5741 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5742 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5743 New static functions.
5744 (add_or_update_back_dep, add_or_update_back_forw_dep,
5745 add_back_forw_dep, delete_back_forw_dep): New functions.
5746 * sched-int.h (ds_t, dw_t): New typedefs.
5747 (struct sched_info): Add new field flags.
5748 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5749 Prototype new sched-deps.c functions.
5750 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5751 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5752 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5753 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5754 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5755 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5757 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5759 * sched-rgn.c (current_sched_info): Initialize flags field.
5760 (schedule_insns): Initialize current_sched_info before the sched_init
5762 * sched-ebb.c (current_sched_info): Initialize flags field.
5763 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5764 Call add_or_update_back_dep instead of add_dependence.
5765 Create control speculative dependencies.
5766 (schedule_insns): Initialize current_sched_info before the sched_init
5769 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5771 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5773 (sh_fallback_frame_state): Likewise.
5775 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5777 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5778 Do switch on default_use_cxa_atexit.
5779 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5780 * config/darwin-crt3.o: New.
5781 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5782 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5783 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5785 * config/rs6000/t-darwin: Move crt2.o building to here.
5786 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5787 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5790 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5792 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5793 from '! xxx' to '!xxx' for coding-style conformance.
5794 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5795 (EXTRA_CONSTRAINT): Likewise.
5796 * config/vax/vax.md (four unnamed insns): Likewise.
5798 2006-03-15 Paul Brook <paul@codesourcery.com>
5800 * config/arm/arm.c (minipool_pad): New.
5801 (add_minipool_forward_ref): Include pool alignment padding in address
5803 (push_minipool_fix): Set minipool_pad.
5804 (minipool_pad): Ditto.
5806 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5808 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5809 instead of GET_CODE() == MEM and REG_P() instead of
5811 (print_operand_address): Likewise.
5812 (vax_address_cost): Likewise.
5813 (vax_rtx_costs): Likewise.
5814 (vax_notice_update_cc): Likewise.
5815 (vax_output_int_add): Likewise.
5816 (INDEX_REGISTER_P): Likewise.
5817 (BASE_REGISTER_P): Likewise.
5818 (nonindexed_address_p): Likewise.
5819 (vax_mode_dependent_address_p): Likewise.
5820 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5821 (PRINT_OPERAND): Likewise.
5822 * config/vax/vax.md (ashlsi3): Likewise.
5823 (ashlsi3): Likewise.
5824 (some more unnamed insns): Likewise.
5826 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5828 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5829 iterator-style macro.
5830 (mark_control_dependent_edges_necessary): Update the use of
5831 EXECUTE_IF_CONTROL_DEPENDENT.
5833 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5835 * config/sh/predicates.md (cache_address_operand): Special.
5836 (ua_address_operand): Likewise.
5838 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5840 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5842 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5844 2006-03-15 Andreas Schwab <schwab@suse.de>
5846 * gensupport.c (identify_predicable_attribute): Don't free p_false
5847 when it is still in use.
5849 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5851 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5852 the default setting here.
5854 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5856 * tree-pass.h (pass_cfg): Remove.
5857 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5858 * passes.c (pass_cfg): Don't run it.
5860 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5862 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5863 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5865 (stack_regs_mentioned): Update the uses of
5866 stack_regs_mentioned_data. Don't access the array beyond its
5868 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5869 Don't include gt-reg-stack.h.
5871 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5872 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5874 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5877 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5880 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5882 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5884 2006-03-14 Richard Guenther <rguenther@suse.de>
5886 PR tree-optimization/26672
5887 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5890 2006-03-14 Richard Guenther <rguenther@suse.de>
5892 PR tree-optimization/26667
5893 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5894 node for the callees. Always allow inlining if it will shrink
5897 2006-03-14 Richard Guenther <rguenther@suse.de>
5900 * builtins.c (get_pointer_alignment): Prefer alignment
5901 information from decls over that from types.
5903 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5906 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5908 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5910 * config/rs6000/rs6000.opt (mdlmzb): New option.
5911 (msched-prolog, msched-epilog): Use Var not Mask.
5912 * doc/invoke.texi (-mdlmzb): Document.
5913 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5915 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5916 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5918 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5920 PR rtl-optimization/25739
5921 * bt-load.c (augment_live_range): Free tos pointer.
5923 * gensupport.c (identify_predicable_attribute): Free
5925 * gcov.c (create_file_names): Free name pointer.
5927 2006-03-13 Roger Sayle <roger@eyesopen.com>
5930 * stmt.c (emit_case_nodes): Handle the case where the index is a
5931 CONST_INT, where the comparison mode is specified by the index type.
5933 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5935 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5938 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5940 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5941 (*branch_fp_inverted): Likewise.
5943 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5946 * omp-low.c (expand_omp_for_generic): Mark istart0
5947 and iend0 as addressable.
5949 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5951 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5953 2006-03-13 Jeff Law <law@redhat.com>
5955 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5956 virtual operands are interesting.
5957 (vrp_visit_stmt): Corresponding changes.
5959 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5961 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5963 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5964 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5965 * config/bfin/crti.S: Use it instead of __PIC__.
5966 * config/bfin/crtn.S: Likewise.
5968 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5969 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5971 Lose 'G' modifier for call operand.
5972 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5973 recognize 'G' modifier.
5975 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5978 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5979 * stmt.c (expand_case): Likewise.
5981 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5983 PR rtl-optimization/26254
5984 * loop-invariant.c (seq_insns_valid_p): New function.
5985 (move_invariant_reg): Only emit new code if it is valid.
5987 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5989 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5991 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5992 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5993 (commit_one_edge_insertion): Do not look for loop notes.
5995 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5997 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5998 flag_test_coverage out of loop.
6000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6002 * final.c (shorten_branches): Remove outdated comment, and turn
6003 the if branch that guards it to continue.
6005 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6007 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6008 * cfgloop.h (struct loop): Remove unused fields.
6010 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6012 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6013 (-dL, -fdump-rtl-loop2): Update the dump file names
6015 * doc/invoke.texi: Update dump file names.
6017 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6019 * predict.c (estimate_probability): Remove.
6020 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6021 * basic-block.h (estimate_probability): Remove prototype.
6022 * passes.c (finish_optimization_passes): Dump branch prediction or
6023 profiling heuristics to the .profile tree dump.
6024 (init_optimization_passes): Unqueue pass_branch_prob.
6026 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6028 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6030 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6031 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6033 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6035 * function.h (frame_offset_overflow): Declare.
6036 * function.c (frame_offset_overflow): New function.
6037 (assign_stack_local_1): Call it to detect that the offset overflows.
6038 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6040 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6042 * config/sh/sh.c: Include alloc-pool.h.
6043 (label_ref_list_pool): New alloc pool.
6044 (label_ref_list_t): New type for lists of labels.
6045 (struct pool_node): Make wend a label_ref_list_t.
6046 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6048 (dump_table): Likewise.
6049 (sh_reorg): Set up the alloc pool before using add_constant and
6050 dump_table, and destroy it when finishing.
6052 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6054 * config/mips/mips.c: Remove redundant comment.
6056 2006-03-10 Jason Merrill <jason@redhat.com>
6059 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6060 the target was declared 'register'.
6062 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6064 * genpreds.c (write_insn_constraint_len): Change definition of
6065 insn_constraint_len to return size_t to match the declaration.
6067 2006-03-10 DJ Delorie <dj@redhat.com>
6069 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6071 (m32c_expand_insv): Fix test for an AND mask.
6073 2006-03-10 Richard Guenther <rguenther@suse.de>
6076 * builtins.c (get_pointer_alignment): Handle component
6077 references for field alignment.
6079 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6081 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6082 when building with libgloss.
6083 (sh*elf): Implement --without-fp option.
6084 (sh64-superh-linux*): Don't multilib.
6086 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6088 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6090 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6092 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6093 Set it when one of the replacement functions returned true.
6094 Return TODO_cleanup_cfg if cfgchanged is true.
6095 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6097 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6099 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6100 instead of gen_lowpart.
6102 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6104 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6106 (mips_output_order_conditional_branch): Declare.
6107 * config/mips/mips.h (MIPS_BRANCH): New macro.
6108 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6109 for the comparison. Use gen_condjump.
6110 (mips_output_conditional_branch): Rework interface to take the
6111 asm templates for a direct branch and the inverse of a direct branch.
6112 (mips_output_order_conditional_branch): New function.
6113 (mips_builtin_branch_and_move): New function.
6114 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6115 branch condition. Use gen_single_cc as the condition for
6116 __builtin_mips_upper_* or __builtin_mips_lower_*.
6117 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6118 Use VOIDmode for the branch condition.
6119 * config/mips/predicates.md (order_operator): New predicate.
6120 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6121 (branch_fp): Rename to...
6122 (*branch_fp): ...this. Remove mode from comparison operator.
6123 Use new mips_output_conditional_branch interface.
6124 (branch_fp_inverted): Rename to...
6125 (*branch_fp_inverted): ...this and update as for *branch_fp.
6126 (*branch_zero<mode>): Rename to...
6127 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6128 Use mips_output_order_conditional_branch. Only accept ordered
6130 (*branch_zero<mode>_inverted): Rename to...
6131 (*branch_order<mode>_inverted): ...this and update as for
6132 *branch_order<mode>.
6133 (*branch_equality<mode>): Accept zero as the second operand to
6134 the equality operator. Use the new mips_output_conditional_branch
6136 (*branch_equality<mode>_inverted): Likewise.
6137 (condjump): New expander.
6138 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6140 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6141 (bc1any2t, bc1any2f): Likewise.
6142 (single_cc): New expander.
6143 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6145 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6147 * doc/md.texi: Update documentation of MIPS constraints.
6148 * config/mips/constraints.md: New file.
6149 * config/mips/mips.md: Include it.
6150 * config/mips/mips.c (mips_char_to_class): Delete.
6151 (override_options): Don't initialize mips_char_to_class.
6152 * config/mips/mips.h (mips_char_to_class): Delete.
6153 (REG_CLASS_FROM_LETTER): Delete.
6154 (CONST_OK_FOR_LETTER_P): Delete.
6155 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6156 (EXTRA_CONSTRAINT_Y): Delete.
6157 (EXTRA_CONSTRAINT_STR): Delete.
6158 (CONSTRAINT_LEN): Delete.
6159 (EXTRA_MEMORY_CONSTRAINT): Delete.
6161 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6163 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6164 original fn's eh regions.
6166 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6168 * fold-const.c (build_range_check): Make sure to use a valid type to
6169 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6172 (range_predecessor): New static function.
6173 (range_successor): Likewise.
6174 (merge_ranges): Use them to compute predecessors and successors of
6177 2006-03-09 Roger Sayle <roger@eyesopen.com>
6180 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6181 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6183 2006-03-08 DJ Delorie <dj@redhat.com>
6185 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6186 (addpsi3): Expand to include memory operands. Remove
6187 reload-specific splits.
6188 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6189 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6190 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6191 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6192 (shift1_qi, shift1_hi, insv): New.
6193 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6194 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6195 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6197 * config/m32c/m32c-protos.h: Update as needed.
6198 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6199 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6200 Fail for unrecognized R* constraints.
6201 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6202 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6203 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6205 (m32c_init_libfuncs): New.
6206 (m32c_legitimate_address_p): Add debug wrapper.
6207 (m32c_rtx_costs): New.
6208 (m32c_address_cost): New.
6209 (conversions): Add 'B' prefix.
6210 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6211 operands, or word regnames for QI operands. 'B' prints bit
6213 (m32c_expand_setmemhi): New.
6214 (m32c_expand_movmemhi): New.
6215 (m32c_expand_movstr): New.
6216 (m32c_expand_cmpstr): New.
6217 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6218 (m32c_expand_neg_mulpsi3): Handle non-ints.
6219 (m32c_cmp_flg_0): New.
6220 (m32c_expand_movcc): New.
6221 (m32c_expand_insv): New.
6222 (m32c_scc_pattern): New.
6223 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6224 a0/a1 out of SIregs.
6225 (STORE_FLAG_VALUE): New.
6226 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6229 * config/m32c/mov.md: Make constraints more liberal.
6230 (zero_extendqihi2): Optimize r0/r1 case.
6231 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6232 * config/m32c/predicates.md (m32c_any_operand): New.
6233 (m32c_nonimmediate_operand): New.
6234 (m32c_hl_operand): New.
6235 (m32c_r3_operand): New.
6238 (memsym_operand): New.
6239 (memimmed_operand): New.
6240 (a_qi_operand): New.
6241 (m32c_eqne_operator): New.
6242 (m32c_1bit8_operand): New.
6243 (m32c_1bit16_operand): New.
6244 (m32c_1mask8_operand): New.
6245 (m32c_1mask16_operand): New.
6246 * config/m32c/blkmov.md: New file.
6247 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6249 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6251 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6252 unsigned to fix signed/unsigned comparison issue in
6253 DWARF2_FRAME_REG_OUT.
6254 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6255 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6257 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6258 of ptr into the ENABLE_CHECKING section.
6260 2006-03-08 Jeff Law <law@redhat.com>
6262 * tree-vrp.c (infer_value_range): Only count pointer uses
6263 and dereferences if -fdelete-null-pointer-checks is enabled.
6265 * tree-vrp.c (find_assert_locations): Infer value ranges for
6266 single use pointers, but do not create ASSERT_EXPRs for them.
6267 When a non-null range is inferred for a pointer, backwards
6268 propagate that range to other equivalent pointers through the
6271 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6274 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6275 language hook targets.
6276 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6277 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6278 if language hook targets were missing.
6280 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6282 * tree-ssa-opfinalize.h: Removed.
6283 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6285 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6286 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6287 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6288 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6289 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6290 finalize_ssa_v_must_def_ops): New.
6292 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6294 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6297 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6299 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6301 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6302 addresses with offsets; reorganize.
6304 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6305 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6306 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6308 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6311 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6313 2006-03-08 Ben Elliston <bje@au.ibm.com>
6315 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6317 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6320 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6323 2006-03-07 Richard Guenther <rguenther@suse.de>
6325 PR tree-optimization/26587
6326 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6328 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6330 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6332 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6334 * hooks.c (hook_bool_mode_rtx_true): New function.
6335 * hooks.h (hook_bool_mode_rtx_true): Declare.
6336 * toplev.c (compile_file): Call output_shared_constant_pool.
6337 * varasm.c (shared_constant_pool): New variable.
6338 (assemble_start_function, assemble_end_function): Remove arguments
6339 from call to output_constant_pool.
6340 (create_constant_pool): New function, split out from...
6341 (init_varasm_status): ...here.
6342 (force_const_mem): Choose between the shared and per-function constant
6343 pools. Set current_function_uses_const_pool when reusing old entries
6344 as well as when creating new ones.
6345 (mark_constant): Ignore data argument.
6346 (mark_constants): Remove pool argument.
6347 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6348 to decide whether the function uses a constant pool.
6349 (output_constant_pool_contents): New function, split out from...
6350 (output_constant_pool): ...here.
6351 (output_shared_constant_pool): New function.
6352 (init_varasm_once): Initialize shared_constant_pool.
6353 * output.h (output_constant_pool): Delete.
6354 (output_shared_constant_pool): Declare.
6355 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6356 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6358 2006-03-06 Nick Clifton <nickc@redhat.com>
6360 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6361 flag_strength_reduce.
6363 2006-03-06 Ben Elliston <bje@au.ibm.com>
6365 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6366 x86_64-*-linux* configurations.
6368 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6369 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6371 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6373 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6375 * basic-block.h: Remove the extern for
6376 rediscover_loops_after_threading.
6378 * cfgloop.c (cancel_loop): Make it static.
6379 * cfgloop.h: Remove the prototype for cancel_loop.
6381 * flow.c (recompute_reg_usage): Make it static.
6382 * rtl.h: Remove the prototype for recompute_reg_usage.
6384 * function.c (use_return_register): Make it static.
6385 * function.h: Remove the prototype.
6387 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6389 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6391 * recog.h: Remove the prototype for
6392 validate_change_maybe_volatile.
6394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6396 * rtlanal.c (replace_reg): Remove.
6397 * rtl.h: Remove the prototype for replace_reg.
6399 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6401 * regclass.c (reg_scan_update): Remove.
6402 (reg_scan_mark_refs): Remove the last argument.
6403 * rtl.h: Remove the prototype for reg_scan_update.
6405 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6407 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6408 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6409 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6410 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6411 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6412 loop-invariant.c, omp-low.c, opts.c, passes.c,
6413 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6414 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6415 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6416 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6417 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6418 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6420 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6422 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6423 * dwarf2out.h: Remove the prototype for
6424 dwarf2out_add_library_unit_info.
6426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6428 * tree.c (add_var_to_bind_expr): Remove.
6429 * tree.h: Remove the prototype for add_var_to_bind_expr.
6431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6433 * regclass.c (n_non_fixed_regs): Remove.
6434 (init_reg_sets_1, globalize_reg): Remove all uses of
6436 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6438 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6440 * rtlanal.c (insns_safe_to_move_p): Remove.
6441 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6445 * expmed.c (expand_mult_add): Remove.
6446 * expr.h: Remove the prototype for expand_mult_add.
6448 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6450 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6451 and REG_SAVED_VAL_EXP constants.
6452 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6453 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6454 Handle regs stored by value.
6455 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6456 (execute_cfa_program): Handle DW_CFA_val_offset,
6457 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6458 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6459 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6460 (uw_install_context_1): Handle target regs stored by value.
6462 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6464 * tree-sra.c (tree_sra): Return todoflags;
6465 (generate_one_element): Set TODO_update_smt_usage if needed.
6466 (pass_sra): Remove TODO_update_smt_usage.
6467 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6469 (tree_ssa_forward_propagate_single_use_vars): Return
6470 TODO_update_smt_usage if we need to update SMT usage.
6471 (pass_forwprop): Remove TODO_update_smt_usage.
6473 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6475 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6476 (correct_use_link): Remove reference to get_stmt_operands.
6477 (update_stmt_operands): Likewise.
6478 (get_modify_expr_operands): New function factored out of
6479 parse_ssa_operands and get_expr_operands.
6480 Try to create V_MUST_DEFs for LHS by default.
6481 (get_expr_operands) <case MODIFY_EXPR>: Call
6482 get_modify_expr_operands.
6483 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6484 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6485 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6486 get_modify_expr_operands.
6488 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6490 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6491 * tree-flow.h: Remove the prototype for
6492 referenced_var_lookup_if_exists.
6494 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6496 PR rtl-optimization/26345
6498 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6500 2006-03-03 Roger Sayle <roger@eyesopen.com>
6502 PR tree-optimization/26524
6503 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6504 fold_convert to create a constant of the appropriate type.
6506 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6508 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6509 SYMBOL_REF_IN_BLOCK_P.
6510 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6511 of SYMBOL_FLAG_IN_BLOCK.
6512 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6513 instead of SYMBOL_REF_IN_BLOCK_P.
6514 * explow.c (use_anchored_address): Likewise.
6515 * rtl.c (rtx_size): Likewise.
6516 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6517 instead of SYMBOL_FLAG_IN_BLOCK.
6518 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6519 SYMBOL_REF_IN_BLOCK_P.
6520 (assemble_variable): Likewise.
6521 (output_constant_def_contents): Likewise.
6522 (output_constant_pool): Likewise.
6523 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6524 instead of SYMBOL_FLAG_IN_BLOCK.
6525 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6526 SYMBOL_REF_IN_BLOCK_P.
6527 (SYMBOL_REF_BLOCK): Likewise.
6528 (SYMBOL_REF_OFFSET): Likewise.
6529 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6530 SYMBOL_REF_IN_BLOCK_P.
6531 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6532 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6533 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6534 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6536 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6538 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6540 2006-03-02 Roger Sayle <roger@eyesopen.com>
6542 * simplify-rtx.c (simplify_unary_operation): When simplifying
6543 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6544 that we perform the right shift in the appropriate mode, and
6545 then extend or truncate the result to requested mode.
6547 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6549 * gengtype.c (main): Handle double_int type.
6550 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6551 * double-int.c: New file.
6552 * double-int.h: New file.
6553 * system.h: Include doubleint.h.
6554 * Makefile.in (SYSTEM_H): Include double-int.h.
6555 (double-int.o): Add.
6557 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6560 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6563 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6565 * tree-vrp.c (remove_range_assertions): Do not update statements
6568 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6570 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6572 * gcse.c (rest_of_handle_gcse): Ditto.
6573 * except.c (gate_handle_eh): Ditto.
6574 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6575 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6577 2006-03-02 Eric Christopher <echristo@apple.com>
6579 * config/i386/i386.c (machopic_output_stub): Add indirection to
6582 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6586 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6588 Sun Niagara specific optimizations.
6589 * config.gcc: Recognize niagara as target.
6590 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6591 (TARGET_CPU_niagara): Define.
6592 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6593 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6594 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6595 (ASM_CPU_SPEC): Likewise.
6596 (PROCESSOR_NIAGARA): New enum entry.
6597 (REGISTER_MOVE_COST): Handle Niagara.
6598 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6599 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6600 (sparc_override_options): Recognize "niagara", set appropriate
6601 default MASK_* values for it, and align functions to 32-bytes
6602 by default just like ULTRASPARC/ULTRASPARC3.
6603 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6604 (sparc64_initialize_trampoline): Likewise.
6605 (sparc_use_sched_lookahead): Use zero for niagara.
6606 (sparc_issue_rate): Use one for niagara.
6607 * config/sparc/niagara.md: New file.
6608 * config/sparc/sparc.md: Include it.
6609 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6610 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6611 when default cpu is niagara.
6612 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6613 (ASM_CPU_SPEC): Likewise.
6614 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6615 when default cpu is niagara.
6616 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6617 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6618 just like v9/ultrasparc/ultrasparc3.
6619 * doc/invoke.texi: Add documentation for "niagara" and improve
6620 existing documentation for ultrasparc variants.
6622 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6624 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6626 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6628 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6629 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6630 and say that only one is needed.
6631 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6632 * target.h (have_switchable_bss_sections): New hook.
6633 * explow.c (use_anchored_address): Check that the symbol is in a block.
6634 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6635 (bss_noswitch_section): New variables.
6636 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6637 (get_noswitch_section): New function.
6638 (get_block_for_section): Allow SECT to be null.
6639 (unlikely_text_section_p): Use SECTION_STYLE.
6640 (bss_initializer_p): New function.
6641 (get_variable_section): Move earlier in file. Take a new argument,
6642 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6643 Return one of the new *_sections in such cases.
6644 (get_block_for_decl): New function, extracting some logic from
6645 use_blocks_for_decl_p.
6646 (change_symbol_section): Remove in favor of...
6647 (change_symbol_block): ...this new function.
6648 (use_blocks_for_decl_p): Remove checks now performed by
6650 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6651 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6652 (emit_local, emit_bss, emit_common): ...these new functions.
6653 Return true if the alignment was honored.
6654 (emit_tls_common): New function.
6655 (asm_emit_uninitialised): Delete.
6656 (assemble_variable_noswitch): New function, split out from...
6657 (assemble_variable): ...here. Don't make decisions about common
6658 variables here. Globalize all public decls that go into non-common
6659 sections. Check whether SYMBOL_REF_BLOCK is null.
6660 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6661 (output_constant_pool): Likewise.
6662 (init_varasm_once): Initialize the new section variables.
6663 (have_global_bss_p): New function.
6664 (categorize_decl_for_section): Use bss_initializer_p.
6665 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6666 (place_block_symbol): Assert that the symbol must be in a block.
6667 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6668 (TARGET_INITIALIZER): Include it.
6669 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6670 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6671 (SECTION_MACH_DEP): Bump by two.
6672 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6673 (unnamed_section): Mention SECTION_UNNAMED in comment.
6674 (named_section): Likewise SECTION_NAMED.
6675 (noswitch_section_callback): New type.
6676 (noswitch_section): New structure.
6677 (section): Add a noswitch_section alternative.
6678 (SECTION_STYLE): New macro.
6679 (tls_comm_section, comm_section, lcomm_section): Declare.
6680 (bss_noswitch_section, have_global_bss_p): Declare.
6681 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6682 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6684 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6685 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6688 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6690 * tree-vrp.c (execute_vrp): Return value.
6691 * regrename.c (rest_of_handle_regrename): Ditto.
6692 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6693 * tree-complex.c (tree_lower_complex): Ditto.
6694 (tree_lower_complex_O0): Ditto.
6695 * tracer.c (rest_of_handle_tracer): Ditto.
6696 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6697 * postreload.c (rest_of_handle_postreload): Ditto.
6698 * tree-tailcall.c (execute_tail_recursion): Ditto.
6699 (execute_tail_calls): Ditto.
6700 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6701 * tree.h (init_function_for_compilation): Ditto.
6702 * ipa-cp.c (ipcp_driver): Ditto.
6703 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6704 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6705 * final.c (compute_alignments): Ditto.
6706 (rest_of_handle_final): Ditto.
6707 (rest_of_handle_shorten_branches): Ditto.
6708 (rest_of_clean_state): Ditto.
6709 * omp-low.c (execute_expand_omp): Ditto.
6710 (execute_lower_omp): Ditto.
6711 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6712 * ipa-reference.c (static_execute): Ditto.
6713 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6714 * reorg.c (rest_of_handle_delay_slots): Ditto.
6715 (rest_of_handle_machine_reorg): Ditto.
6716 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6717 * flow.c (recompute_reg_usage): Ditto.
6718 (rest_of_handle_remove_death_notes): Ditto.
6719 (rest_of_handle_life): Ditto.
6720 (rest_of_handle_flow2): Ditto.
6721 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6722 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6723 (do_ssa_store_ccp): Ditto.
6724 (execute_fold_all_builtins): Ditto.
6725 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6726 * modulo-sched.c (rest_of_handle_sms): Ditto.
6727 * ipa-pure-const.c (static_execute): Ditto.
6728 * cse.c (rest_of_handle_cse): Ditto.
6729 (rest_of_handle_cse2): Ditto.
6730 * web.c (rest_of_handle_web): Ditto.
6731 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6732 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6733 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6734 * tree-nrv.c (tree_nrv): Ditto.
6735 (execute_return_slot_opt): Ditto.
6736 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6737 (create_structure_vars): Ditto.
6738 * loop-init.c (rtl_loop_init): Ditto.
6739 (rtl_loop_done): Ditto.
6740 (rtl_move_loop_invariants): Ditto.
6741 (rtl_unswitch): Ditto.
6742 (rtl_unroll_and_peel_loops): Ditto.
6743 (rtl_doloop): Ditto.
6744 * gimple-low.c (lower_function_body): Ditto.
6745 (mark_used_blocks): Ditto.
6746 * tree-ssa-sink.c (execute_sink_code): Ditto.
6747 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6748 (cgraph_early_inlining): Ditto.
6749 * global.c (rest_of_handle_global_alloc): Ditto.
6750 * jump.c (cleanup_barriers): Ditto.
6751 (purge_line_number_notes): Ditto.
6752 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6753 (rest_of_handle_if_after_reload): Ditto.
6754 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6755 (tree_ssa_loop_im): Ditto.
6756 (tree_ssa_loop_unswitch): Ditto.
6757 (tree_vectorize): Ditto.
6758 (tree_linear_transform): Ditto.
6759 (tree_ssa_loop_ivcanon): Ditto.
6760 (tree_ssa_empty_loop): Ditto.
6761 (tree_ssa_loop_bounds): Ditto.
6762 (tree_complete_unroll): Ditto.
6763 (tree_ssa_loop_prefetch): Ditto.
6764 (tree_ssa_loop_ivopts): Ditto.
6765 (tree_ssa_loop_done): Ditto.
6766 * predict.c (tree_estimate_probability): Ditto.
6767 * recog.c (split_all_insns_noflow): Ditto.
6768 (rest_of_handle_peephole2): Ditto.
6769 (rest_of_handle_split_all_insns): Ditto.
6770 * tree-eh.c (lower_eh_constructs): Ditto.
6771 * regmove.c (rest_of_handle_regmove): Ditto.
6772 (rest_of_handle_stack_adjustments): Ditto.
6773 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6774 * function.c (instantiate_virtual_regs): Ditto.
6775 (init_function_for_compilation): Ditto.
6776 (rest_of_handle_check_leaf_regs): Ditto.
6777 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6778 (rest_of_handle_gcse): Ditto.
6779 * ipa-type-escape.c (type_escape_execute): Ditto.
6780 * alias.c (rest_of_handle_cfg): Ditto.
6781 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6782 * profile.c (rest_of_handle_branch_prob): Ditto.
6783 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6784 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6785 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6786 * tree-dfa.c (find_referenced_vars): Ditto.
6787 * except.c (set_nothrow_function_flags): Ditto.
6788 (convert_to_eh_region_ranges): Ditto.
6789 (rest_of_handle_eh): Ditto.
6790 * emit-rtl.c (unshare_all_rtl): Ditto.
6791 (remove_unnecessary_notes): Ditto.
6792 * except.h (set_nothrow_function_flags): Ditto.
6793 (convert_to_eh_region_ranges): Ditto.
6794 * cfgexpand.c (tree_expand_cfg): Ditto.
6795 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6796 * tree-ssa-pre.c (do_pre): Ditto.
6797 (execute_fre): Ditto.
6798 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6799 (rest_of_handle_jump2): Ditto.
6800 * tree-sra.c (tree_sra): Ditto.
6801 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6802 (execute_mudflap_function_decls): Ditto.
6803 * tree-ssa-copy.c (do_copy_prop): Ditto.
6804 (do_store_copy_prop): Ditto.
6805 * ipa-prop.h (ipcp_driver): Ditto.
6806 * cfglayout.c (insn_locators_initialize): Ditto.
6807 * tree-ssa-forwprop.c
6808 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6809 * cfglayout.h (insn_locators_initialize): Ditto.
6810 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6811 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6812 (execute_late_warn_uninitialized): Ditto.
6813 * rtl.h (cleanup_barriers): Ditto.
6814 (split_all_insns_noflow): Ditto.
6815 (purge_line_number_notes): Ditto.
6816 (unshare_all_rtl): Ditto.
6817 (remove_unnecessary_notes): Ditto.
6818 (recompute_reg_usage): Ditto.
6819 (variable_tracking_main): Ditto.
6820 * integrate.c (emit_initial_value_sets): Ditto.
6821 * integrate.h (emit_initial_value_sets): Ditto.
6822 * tree-optimize.c (execute_free_datastructures): Ditto
6823 (execute_free_cfg_annotations): Ditto.
6824 (execute_fixup_cfg): Ditto.
6825 (execute_cleanup_cfg_pre_ipa): Ditto.
6826 (execute_cleanup_cfg_post_optimizing): Ditto.
6827 (execute_init_datastructures): Ditto.
6828 * tree-object-size.c (compute_object_sizes): Ditto.
6829 * combine.c (rest_of_handle_combine): Ditto.
6830 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6831 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6832 (rest_of_handle_reorder_blocks): Ditto.
6833 (rest_of_handle_partition_blocks): Ditto.
6834 * var-tracking.c (variable_tracking_main): Ditto.
6835 * tree-profile.c (tree_profiling): Ditto.
6836 * tree-vect-generic.c (expand_vector_operations): Ditto.
6837 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6838 * sched-rgn.c (rest_of_handle_sched): Ditto.
6839 (rest_of_handle_sched2): Ditto.
6840 * basic-block.h (free_bb_insn): Ditto.
6841 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6842 * tree-cfg.c (execute_build_cfg): Ditto.
6843 (remove_useless_stmts): Ditto.
6844 (split_critical_edges): Ditto.
6845 (execute_warn_function_return): Ditto.
6846 (execute_warn_function_noreturn): Ditto.
6847 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6848 * cfgrtl.c (free_bb_for_insn): Ditto.
6849 * passes.c (execute_one_pass): Run additional
6850 todos returned by execute function.
6851 * tree-pass.h (struct tree_opt_pass): Make execute
6854 2006-03-02 Richard Guenther <rguenther@suse.de>
6856 * tree-ssa-alias.c (find_used_portions): Consider taking
6857 the address as making the variable not write-only.
6859 2006-03-02 Nick Clifton <nickc@redhat.com>
6861 * config.gcc (default_use_cxa_atexit): Extend the description of
6862 this configure variable. Set its default value to "yes" for
6863 Linux, NetBSD and ELF targets on the assumption that they will
6864 use C libraries with the __cxa_atexit function.
6866 2006-03-02 Ben Elliston <bje@au.ibm.com>
6868 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6869 parameter as unused to suppress a build warning.
6871 2006-03-02 Ben Elliston <bje@au.ibm.com>
6873 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6876 2006-03-01 Roger Sayle <roger@eyesopen.com>
6879 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6880 declared name, the weak reference name, and the typeof name.
6881 (__gthrw): Avoid expanding the declared name suffix.
6882 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6884 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6886 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6888 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6889 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6890 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6891 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6892 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6893 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6894 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6895 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6896 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6897 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6898 (DW_END_default, DW_END_big, DW_END_little): New.
6899 (DW_END_lo_user, DW_END_hi_user): Define.
6900 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6901 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6902 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6905 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6907 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6909 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6911 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6913 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6915 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6916 to 'symbol_mem_tag'.
6918 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6921 2006-03-01 Roger Sayle <roger@eyesopen.com>
6923 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6925 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6928 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6929 MACHO_DYNAMIC_NO_PIC_P.
6930 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6932 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6935 * config/darwin-protos.h (darwin_asm_output_anchor):
6937 * config/darwin-sections.def (cstring_section):
6938 Add SECTION_MERGE to the flags.
6939 (literal4_section): Likewise.
6940 (literal8_section): Likewise.
6941 (objc_selector_refs_section): Likewise.
6942 (objc_cls_refs_section): Likewise.
6943 * config/darwin.c (darwin_asm_output_anchor): New
6945 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6947 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6949 Fix PR tree-optimization/26443
6950 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6951 to todo and PROP_tmt_usage to properties_destroyed.
6952 * tree-ssa-ccp.c (pass_ccp): Ditto.
6953 (pass_store_ccp): Ditto.
6954 * tree-ssa-dom.c (pass_dominator): Ditto.
6956 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6958 * tree-ssa-operands.c: Cleanup whitespace.
6959 (get_asm_expr_operands): Move before first invocation.
6960 (get_indirect_ref_operands): Likewise.
6961 (get_tmr_operands): Likewise.
6962 (get_call_expr_operands): Likewise.
6963 (append_def): Likewise.
6964 (append_use): Likewise.
6965 (append_v_may_def): Likewise.
6966 (append_v_must_def): Likewise.
6967 (add_call_clobber_ops): Likewise.
6968 (add_call_read_ops): Likewise.
6969 (add_stmt_operand): Likewise.
6970 (add_virtual_operand): Likewise.
6971 (build_ssa_operands): Likewise.
6973 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6978 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6979 with a call expr to ...
6980 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6982 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6984 * tree-vrp.c (extract_range_from_assert): Remove special
6985 handling for types with super-types.
6987 2006-03-01 Ben Elliston <bje@au.ibm.com>
6989 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6990 and powerpc64-*-linux* configurations.
6991 * config/t-dfprules: New file.
6993 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6994 Compile dfp-bit.c from the source directory using -DWIDTH and
6995 $DFP_CFLAGS to control the compilation of that file, rather than
6996 generating width-specific versions in the build directory.
6997 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6998 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7000 2006-02-28 Zack Weinberg <zackw@panix.com>
7002 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7005 2006-02-28 Eric Christopher <echristo@apple.com>
7007 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7008 Set up IN_LIBGCC definition of TARGET_64BIT.
7009 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7011 2006-02-28 Roger Sayle <roger@eyesopen.com>
7014 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7015 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7016 cases via the construction of "expr != 0".
7018 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7020 * alias.c (alias_invariant, alias_invariant_size): Remove.
7021 (record_base_value): Remove.
7022 (memrefs_conflict_p): Don't look at alias_invariant.
7023 (end_alias_analysis): Don't free it.
7024 * alias.h (record_base_value): Remove prototype.
7026 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7027 Adam Nemet <anemet@caviumnetworks.com>
7029 * rtl.h (truncated_to_mode): Declare it.
7030 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7031 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7032 (RTL_HOOKS_INITIALIZER): Include it.
7033 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7034 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7035 reg_truncated_to_mode.
7036 * rtlanal.c (truncated_to_mode): Define it.
7037 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7039 2006-02-28 Jeff Law <law@redhat.com>
7041 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7042 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7043 the range allowed by TYPE_PRECISION.
7045 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7047 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7049 PR tree-optimization/26419
7050 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7053 2006-02-27 Zack Weinberg <zackw@panix.com>
7055 * doc/md.texi: Fix typo in previous change.
7057 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7061 2006-02-27 Zack Weinberg <zackw@panix.com>
7063 * rtl.def (define_constraint, define_register_constraint)
7064 (define_memory_constraint, define_address_constraint): New MD forms.
7065 * gensupport.c (process_rtx): Put define_constraint etc on the
7067 * genpreds.c (process_define_predicate): Adjust comment. Validate
7068 the name, and call validate_exp to validate the expression.
7069 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7070 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7071 all callers changed.
7072 (validate_exp, needs_variable, struct constraint_data)
7073 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7074 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7075 (const_dbl_constraints, constraint_max_namelen)
7076 (have_register_constraints, have_memory_constraints)
7077 (have_address_constraints, have_address_constraints)
7078 (have_extra_constraints, have_const_int_constraints)
7079 (have_const_dbl_constraints, mangle, add_constraint)
7080 (process_define_constraint, process_define_register_constraint)
7081 (write_enum_constraint_num, write_lookup_constraint)
7082 (write_insn_constraint_len, write_regclass_for_constraint)
7083 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7084 (write_insn_extra_memory_constraint)
7085 (write_insn_extra_address_constraint)
7086 (write_satisfies_constraint_fns): New.
7087 (write_tm_preds_h): If we have new-style constraint definitions,
7088 prototype the functions generated from them, and define the
7089 old constraint interface (still used by generic code) in terms of
7091 (write_insn_preds_c): If we have new-style constraint definitions,
7092 generate all relevant functions from those definitions.
7093 (main): Handle define_constraint etc.
7094 * genoutput.c (struct constraint_data, indep_constraints)
7095 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7096 (mdep_constraint_len): New data structures and functions, defined
7097 #ifdef USE_MD_CONSTRAINTS.
7098 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7099 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7100 use new logic to validate operand constraints against constraint
7102 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7104 * defaults.h: If none of the old-style constraint macros are
7105 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7106 old-style macros; and poison REG_CLASS_FROM_LETTER,
7107 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7109 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7110 * doc/md.texi: Document new constraint-definition mechanism and the
7111 C interface it provides. Remove references to old mechanism
7112 elsewhere in the document.
7113 (Machine Constraints): Use pathnames relative to gcc directory,
7114 i.e. config/ARCH/FILE. Change i386 section to refer to
7115 config/i386/predicates.md; update that section to match docstrings.
7116 * doc/tm.texi: Move all documentation of the old constraint-
7117 definition macros to their own section, clearly mark as obsolete.
7119 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7120 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7122 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7123 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7124 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7126 (splits and peepholes): Use satisfies_constraint_*.
7127 * config/i386/i386.c (memory_address_length)
7128 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7130 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7132 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7133 scalar operation to be put back into the loop.
7135 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7138 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7139 (extract_cie_info): Handle S flag in augmentation string.
7140 (execute_cfa_program): If context->signal_frame, execute also
7141 fs->pc == context->ra instructions.
7142 (uw_frame_state_for): If context->signal_frame, don't subtract one
7143 from context->ra to find FDE.
7144 (uw_update_context_1): Set context->signal_frame to
7146 (_Unwind_GetIPInfo): New function.
7147 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7148 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7150 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7151 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7152 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7153 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7154 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7155 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7156 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7157 x86_64_fallback_frame_state): Set fs->signal_frame.
7158 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7159 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7160 (frob_update_context): Likewise. Workaround missing S flag in
7161 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7162 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7163 Remove the psw_addr + 1 hack.
7165 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7167 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7168 with aggregates here.
7169 (find_func_aliases): Remove code for &<aggregate> from here.
7171 2006-02-26 Roger Sayle <roger@eyesopen.com>
7173 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7174 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7175 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7178 2006-02-26 Roger Sayle <roger@eyesopen.com>
7181 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7183 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7185 * opts.c (decode_options): Do not handle flag_strength_reduce.
7186 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7187 and OPT_fstrength_reduce.
7188 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7189 flag_prefetch_loop_arrays for being nonzero.
7190 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7192 (fprefetch-loop-arrays-rtl): Removed.
7193 (flag_prefetch_loop_arrays): Do not specify the value.
7195 * doc/passes.texi: Update documentation of loop optimizer
7197 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7198 -frerun-loop-opt): Remove.
7200 2006-02-26 Richard Guenther <rguenther@suse.de>
7202 PR tree-optimization/26421
7203 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7204 in function calls that are ADDR_EXPRs as using the whole structure.
7206 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7208 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7209 * tree-pass.h (pass_loop_optimize): Remove.
7210 * passes.c (pass_loop_optimize): Never run it.
7211 * toplev.c (backend_init): Don't call init_loop.
7212 * opts.c (flag_loop_optimize_set): Remove.
7213 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7214 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7215 the old RTL loop optimizer when profiling enabled.
7216 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7217 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7218 pre-headers for the sake of the old RTL loop optimizer.
7219 * Makefile.in: Remove all references to loop.o.
7221 * doc/invoke.texi: Remove all references to -floop-optimize
7222 and -frerun-loop-opt.
7224 2006-02-26 Zack Weinberg <zackw@panix.com>
7226 * doc/md.texi (Machine Constraints): Refer to all files with paths
7227 relative to gcc directory (i.e. config/CPU/file). Add missing
7228 @table @code ... @end table to M32C subsection.
7230 2006-02-26 Roger Sayle <roger@eyesopen.com>
7232 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7234 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7236 2006-02-26 Roger Sayle <roger@eyesopen.com>
7237 James A. Morrison <phython@gcc.gnu.org>
7240 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7241 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7242 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7243 signedness of the shift operation.
7245 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7247 PR tree-optimization/26359
7248 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7250 2006-02-25 Roger Sayle <roger@eyesopen.com>
7252 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7253 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7254 as X == 0, and some symmetry related transformations.
7255 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7257 2006-02-25 Roger Sayle <roger@eyesopen.com>
7260 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7261 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7262 symmetry related transformations. Fold (X^C1) == C2 as
7265 2006-02-25 Juergen Weigert <jw@suse.de>
7266 Richard Guenther <rguenther@suse.de>
7268 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7270 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7272 * combine.c (gen_lowpart_or_truncate): Call
7273 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7275 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7277 * doc/invoke.texi: Move -fopenmp description to "Options for
7279 Remove reference to -lgomp.
7281 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7283 * doc/install.texi: Require GNU tar version 1.14.
7285 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7287 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7288 * doc/invoke.texi (C++ Dialect Options): Document
7289 -fno-use-cxa-get-exception-ptr.
7290 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7291 * configure: Regenerate.
7292 * c.opt (fuse-cxa-get-exception-ptr): New.
7293 * c-opts.c (c_common_handle_option): Handle
7294 OPT_fuse_cxa_get_exception_ptr.
7295 * c-common.c (flag_use_cxa_atexit): Update documentation.
7296 (flag_use_cxa_get_exception_ptr): New.
7297 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7298 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7300 (C_COMMON_OVERRIDE_OPTIONS): New.
7302 2006-02-24 Roger Sayle <roger@eyesopen.com>
7305 * combine.c (try_combine): Explicitly check whether GET_CODE is
7306 a SET or a CLOBBER, instead on checking that it isn't a USE.
7308 2006-02-24 Roger Sayle <roger@eyesopen.com>
7310 * fold-const.c (fold_comparison): New subroutine of fold_binary
7311 containing transformations common to both the equality and
7312 ordering relational operators, factored out of fold_binary.
7313 (fold_binary): Separate out the equality operators (EQ_EXPR
7314 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7315 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7316 transformations common to both.
7317 (fold_div_compare): Fix latent bugs in the previously unreachable
7318 LT_EXPR and GE_EXPR cases.
7320 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7322 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7323 decl libname for clog to __clog on AIX.
7325 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7327 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7330 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7331 output traceback table for thunks. Localise rs6000_stack_info call.
7333 2006-02-23 Roger Sayle <roger@eyesopen.com>
7334 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7336 * gthr-posix.h (__gthrw): Fix typo in comment.
7338 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7340 * doc/cpp.texi (Character sets): Document that we do support
7341 input files to be in any character set.
7343 2006-02-23 Jeff Law <law@redhat.com>
7345 * tree.h (PHI_ARG_NONZERO): Remove.
7346 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7347 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7348 node to the new node.
7350 PR tree-optimization/26425
7351 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7352 min/max, then assume its varying.
7354 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7356 PR rtl-optimization/26316
7357 * rtlanal.c (enum may_trap_p_flags): New.
7358 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7359 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7360 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7361 (may_trap_after_code_motion_p): New function.
7362 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7363 (find_invariant_insn): Use may_trap_after_code_motion_p.
7364 * rtl.h (may_trap_after_code_motion_p): Declare.
7366 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7368 * emit-rtl.c (immed_double_const): Cleanup.
7370 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7372 Fix PR tree-optimization/26376
7373 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7376 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7379 * gimplify.c (omp_add_variable): Guard variable size decl test with
7380 DECL_SIZE (decl) check.
7382 2006-02-23 Richard Guenther <rguenther@suse.de>
7385 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7386 like aggregate types.
7388 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7390 * configure.ac: Add --with{,out}-long-double-128 configure option.
7391 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7392 * configure: Rebuilt.
7393 * config.in: Rebuilt.
7394 * doc/install.texi (Options specification): Document
7395 --with-long-double-128.
7397 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7398 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7399 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7400 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7402 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7404 * config/s390/s390.c (override_options): Handle
7405 TARGET_DEFAULT_LONG_DOUBLE_128.
7407 * config/alpha/alpha.c (override_options): Handle
7408 TARGET_DEFAULT_LONG_DOUBLE_128.
7410 * config/sparc/sparc.c (sparc_override_options): Handle
7411 TARGET_DEFAULT_LONG_DOUBLE_128.
7413 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7415 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7416 (real-install-headers-tar, real-install-headers-cpio)
7417 (real-install-headers-cp): New targets.
7419 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7421 * tree.h (variable_section): Delete.
7422 * varasm.c (variable_section): Delete.
7424 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7426 * install.texi: Add notes on install.texi2html.
7427 (Building in parallel): Do not use footnotes.
7429 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7432 * doc/install.texi (Configuration): Document --disable-libgomp.
7434 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7436 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7438 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7440 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7441 (vec_extractv2df_0_sse): New.
7443 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7445 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7446 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7447 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7448 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7449 to the result of the expression.
7450 (def_cfa_1): Adjust.
7451 (frame_pointer_cfa_offset): Rename to...
7452 (frame_pointer_fb_offset): ... this. Adjust all uses.
7453 (convert_cfa_to_loc_list): Rename to...
7454 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7455 Pass it on to build_cfa_loc.
7456 (compute_frame_pointer_to_cfa_displacement): Rename to...
7457 (compute_frame_pointer_to_fb_displacement): ... this. New
7458 offset parameter. Use it in computation.
7459 (gen_subprogram_die): Compute cfa_fb_offset with the new
7460 macro, and use it to compute the fb loc list and the
7463 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7465 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7466 replaced with register_operand.
7467 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7468 non-DREG is expensive.
7469 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7470 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7473 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7475 * doc/install.texi2html: Use set -e.
7477 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7479 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7480 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7481 * doc/invoke.texi (-fshared-data): Delete.
7482 * common.opt (fshared-data): Delete.
7483 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7484 (assemble_static_space): Remove #if 0 code.
7485 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7486 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7487 * config/cris/cris.h: Remove FIXME.
7489 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7491 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7494 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7497 * combine.c (simplify_shift_const_1): Disable nested shifts
7498 optimization for vector shifts.
7500 2006-02-20 Roger Sayle <roger@eyesopen.com>
7502 PR tree-optimization/26361
7503 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7504 of unsigned integer types.
7506 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7508 * tree-chrec.c (eq_evolutions_p): New.
7509 * tree-chrec.h (eq_evolutions_p): Declared.
7510 * tree-data-ref.c: Fix formatting.
7511 (datadep_stats, dependence_stats): New.
7513 (print_direction_vector): New.
7514 (dump_data_dependence_relation): Use print_direction_vector.
7515 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7516 (compute_subscript_distance): Static.
7517 (initialize_data_dependence_relation): Static. Get the number
7518 of loops surrounding the references from the callers, and initialize
7519 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7520 base_object_differ_p analyzers.
7521 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7522 compute_overlap_steps_for_affine_1_2,
7523 analyze_subscript_affine_affine): Count the classified dependences.
7524 Print a message when a test failed.
7525 (can_use_analyze_subscript_affine_affine): New.
7526 (analyze_siv_subscript): Compute the data dependences on symbolic
7527 scevs that verify can_use_analyze_subscript_affine_affine.
7528 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7529 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7530 Handle symbolic scevs.
7531 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7533 (subscript_dependence_tester): Moved...
7534 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7535 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7536 DDR_SIZE_VECT instead of getting it in parameter.
7537 (subscript_dependence_tester): ... here. Take as a parameter
7538 loop_nest_depth. Call build_classic_dist_vector and
7539 build_classic_dir_vector.
7540 (compute_affine_dependence): Update subscript_dependence_tester
7541 parameters. Update datadep_stats counters. Call
7542 compute_subscript_distance.
7543 (compute_self_dependence): Save the dist and dir vectors. Call
7544 compute_subscript_distance.
7545 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7546 (compute_all_dependences): Reorder parameters as they were before
7547 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7548 compute_subscript_distance. Update the use of
7549 compute_affine_dependence and initialize_data_dependence_relation.
7550 (find_data_references_in_loop): Handle COMPONENT_REF.
7551 (compute_data_dependences_for_loop): Initialize dependence_stats.
7552 Don't call build_classic_dist_vector and build_classic_dir_vector.
7553 Update the parameters of initialize_data_dependence_relation and
7554 compute_all_dependences. Print the statistics from datadep_stats.
7555 (analyze_all_data_dependences): Static. Not used until the pass for
7556 checking the data dependences is contributed.
7557 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7558 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7559 (initialize_data_dependence_relation, compute_affine_dependence,
7560 analyze_all_data_dependences, compute_subscript_distance): Removed.
7561 (print_direction_vector): New.
7562 * lambda.h (gcd): ... here.
7563 (lambda_vector_gcd): Moved here from gcd_vector.
7564 * lambda-code.c (gcd, gcd_vector): Removed.
7565 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7566 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7568 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7570 * ipa-type-escape.c: Tidy some comments and white space.
7571 * tree-ssa-operands.c: Likewise.
7573 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7576 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7577 (dump_decl_name): Do not walk the decl tree chains.
7578 * tree-pass.h (TDF_CHAIN): Remove.
7580 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7582 * Makefile.in (C): Remove
7584 (.PHONY): Remove C and PROTO
7586 2006-02-20 Roger Sayle <roger@eyesopen.com>
7589 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7590 deprecated CHAR_TYPE tree code.
7592 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7594 * configure.ac (target_list): Add install-info, dvi, html.
7595 * configure: Regenerate.
7597 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7598 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7599 treelang/Make-lang.in: Do not use double-colon rules.
7601 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7603 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7604 (TMT_USED_ALONE): New macro.
7605 * tree-pass.h (PROP_tmt_usage): New property.
7606 (TODO_update_tmt_usage): New todo.
7607 * tree-ssa-alias.c (updating_used_alone): New variable.
7608 (recalculate_used_alone): New function.
7609 (compute_may_aliases): Set updating_used_alone, call
7610 recalculate_used_alone.
7611 * tree-sra.c (pass_sra): Note that this pass destroys
7612 PROP_tmt_usage, and add TODO_update_tmt_usage.
7613 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7614 * tree-flow.h (updating_used_alone): Prototype.
7615 (recalculate_used_alone): Ditto.
7616 * passes.c (execute_todo): Add code to set updating_used_alone,
7617 and call recalculate.
7618 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7619 for clobber if used alone, and add assert to verify used_alone
7622 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7624 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7625 for non tls symbols added.
7626 (legitimize_address): Do nothing for PLUS expressions if one of the
7627 addends is a tls symbol reference.
7629 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7633 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7635 * Makefile.in (BOOTSTRAPPING): New.
7636 (quickstrap): New definition if BOOTSTRAPPING=yes.
7638 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7639 * configure.ac: Substitute all_selected_languages with the languages
7640 that were configured. For all the other variables except
7641 lang_specs_files, include all the languages in the tree.
7642 * configure: Regenerate.
7644 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7645 if there is one. Run the commands to run fixincludes in the same
7648 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7649 * doc/install.texi: Document exact conventions for searching target tools.
7650 Document --with-build-time-tools. Document toplevel bootstrap. Document
7651 something more about building an Ada cross-compiler. Don't list GNU Make
7652 requirements which affect all platforms.
7654 2006-02-19 Roger Sayle <roger@eyesopen.com>
7657 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7658 only equivalent if the have both the same mode and precision.
7660 2006-02-20 Ben Elliston <bje@au.ibm.com>
7662 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7664 2006-02-19 Roger Sayle <roger@eyesopen.com>
7665 Steven Bosscher <stevenb.gcc@gmail.com>
7667 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7668 constant pool references to identify stack mode constants.
7669 * rtlanal.c (constant_pool_constant_p): New predicate to check
7670 whether operand is a floating point constant in the pool.
7671 * rtl.h (constant_pool_constant_p): Prototype here.
7672 * loop.c (scan_loop): Avoid hoisting constants from the constant
7673 pool on STACK_REGS targets.
7674 (load_mems): Likewise.
7675 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7676 loads into x87 registers expensive in terms of register pressure.
7678 2006-02-19 Roger Sayle <roger@eyesopen.com>
7680 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7681 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7683 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7685 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7686 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7688 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7690 * doc/invoke.texi: Document -fipa-pta.
7691 * common.opt: Add ipa-pta option.
7692 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7693 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7694 (do_ds_constraint): Ditto.
7695 (get_constraint_for): Only add to referenced_vars if
7696 referenced_vars exists.
7697 (insert_into_field_list): Rewrite to do this unsorted.
7698 (insert_into_field_list_sorted): Rename old insert_into_field_list
7700 (create_function_info_for): Use insert_into_field_list_sorted.
7701 (create_variable_info_for): Rewrite so it uses unsorted version,
7702 since the field list is sorted.
7703 (intra_create_variable_infos): Only add to referenced_vars if
7704 referenced_vars exists.
7705 (ipa_pta_execute): Init heapvars, and delete when done.
7706 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7708 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7710 * doc/install.texi: Add missing `@samp'.
7712 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7714 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7717 2006-02-18 Mark Wielaard <mark@klomp.org>
7719 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7720 who added new 4.1 features, bug fixes and integration support.
7722 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7725 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7728 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7730 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7731 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7732 (copy_insn_1): Likewise. Don't copy each field individually.
7734 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7736 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7737 * rtl.c (rtx_size): Rename variable to...
7738 (rtx_code_size): ...this.
7739 (rtx_size): New function.
7740 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7741 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7743 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7744 * rtl.h (rtx_code_size): New variable.
7745 (rtx_size): Change from a variable to a function.
7746 (RTX_SIZE): Rename to...
7747 (RTX_CODE_SIZE): ...this.
7750 PR tree-optimization/17106
7751 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7752 (Anchored Addresses): New section.
7753 * doc/invoke.texi (-fsection-anchors): Document.
7754 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7755 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7756 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7757 * hooks.c (hook_bool_mode_rtx_false): New function.
7758 * hooks.h (hook_bool_mode_rtx_false): Declare.
7759 * gengtype.c (create_optional_field): New function.
7760 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7761 SYMBOL_REF_IN_BLOCK_P is true.
7762 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7763 (min_anchor_offset, max_anchor_offset): Likewise.
7764 (use_anchors_for_symbol_p): New hook.
7765 * toplev.c (compile_file): Call output_object_blocks.
7766 (target_supports_section_anchors_p): New function.
7767 (process_options): Check that -fsection-anchors is only used on
7768 targets that support it and when -funit-at-a-time is in effect.
7769 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7770 if the decl doesn't have one.
7771 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7772 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7773 of force_const_mem through use_anchored_address.
7774 (expand_expr_constant): New function.
7775 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7776 calling expand_expr for INDIRECT_REF.
7777 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7778 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7779 * expr.h (use_anchored_address): Declare.
7780 * loop-unroll.c: Don't declare rtx vectors here.
7781 * explow.c: Include output.h.
7782 (validize_mem): Call use_anchored_address.
7783 (use_anchored_address): New function.
7784 * common.opt (-fsection-anchors): New switch.
7785 * varasm.c (object_block_htab, anchor_labelno): New variables.
7786 (hash_section, object_block_entry_eq, object_block_entry_hash)
7787 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7788 (use_blocks_for_decl_p, change_symbol_section): New functions.
7789 (get_variable_section): New function, split out from assemble_variable.
7790 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7791 use_blocks_for_decl_p say so. Use change_symbol_section if the
7792 symbol has already been created.
7793 (assemble_variable_contents): New function, split out from...
7794 (assemble_variable): ...here. Don't output any code for
7795 block symbols; just pass them to place_block_symbol.
7796 Use get_variable_section and assemble_variable_contents.
7797 (get_constant_alignment, get_constant_section, get_constant_size): New
7798 functions, split from output_constant_def_contents.
7799 (build_constant_desc): Create a block symbol if use_object_blocks_p
7800 says so. Or into SYMBOL_REF_FLAGS.
7801 (assemble_constant_contents): New function, split from...
7802 (output_constant_def_contents): ...here. Don't output any code
7803 for block symbols; just pass them to place_section_symbol.
7804 Use get_constant_section and get_constant_alignment.
7805 (force_const_mem): Create a block symbol if use_object_blocks_p and
7806 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7807 (output_constant_pool_1): Add an explicit alignment argument.
7808 Don't switch sections here.
7809 (output_constant_pool): Adjust call to output_constant_pool_1.
7810 Switch sections here instead. Don't output anything for block symbols;
7811 just pass them to place_block_symbol.
7812 (init_varasm_once): Initialize object_block_htab.
7813 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7814 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7815 (place_block_symbol, get_section_anchor, output_object_block)
7816 (output_object_block_htab, output_object_blocks): New functions.
7817 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7818 (TARGET_ASM_OUT): Include it.
7819 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7820 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7821 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7822 (TARGET_INITIALIZER): Include them.
7823 * rtl.c (rtl_check_failed_block_symbol): New function.
7824 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7825 (block_symbol, object_block): New structures.
7826 (rtx_def): Add a block_symbol field to the union.
7827 (BLOCK_SYMBOL_CHECK): New macro.
7828 (rtl_check_failed_block_symbol): Declare.
7829 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7830 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7831 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7832 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7833 * output.h (output_section_symbols): Declare.
7834 (object_block): Name structure.
7835 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7836 (default_use_anchors_for_symbol_p): Declare.
7837 * Makefile.in (RTL_BASE_H): Add vec.h.
7838 (explow.o): Depend on output.h.
7839 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7840 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7841 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7842 (rs6000_use_blocks_for_constant_p): New function.
7844 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7846 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7848 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7851 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7854 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7856 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7860 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7863 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7864 instead of DECL_REGISTER.
7866 2006-02-18 Olivier Hainque <hainque@adacore.com>
7869 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7871 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7874 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7875 * opth-gen.awk: Handle Var and InverseMask together.
7876 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7877 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7878 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7879 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7881 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7882 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7883 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7884 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7885 LINUX_DYNAMIC_LINKER): Define.
7886 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7887 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7889 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7890 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7891 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7893 (TARGET_C99_FUNCTIONS): Don't define.
7894 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7895 GLIBC_DYNAMIC_LINKER.
7896 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7897 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7898 GLIBC_DYNAMIC_LINKER64): Define.
7899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7900 LINUX_DYNAMIC_LINKER64.
7901 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7902 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7903 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7905 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7907 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7908 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7909 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7911 and LINUX_DYNAMIC_LINKER32.
7912 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7914 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7916 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7918 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7919 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7920 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7921 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7922 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7923 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7924 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7925 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7926 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7927 LINUX_DYNAMIC_LINKER): Define.
7928 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7929 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7930 GLIBC_DYNAMIC_LINKER64): Define.
7931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7932 LINUX_DYNAMIC_LINKER64.
7933 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7934 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7935 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7936 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7937 LINUX_DYNAMIC_LINKER): Define.
7938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7939 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7940 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7941 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7942 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7943 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7944 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7945 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7946 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7947 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7949 * doc/invoke.texi (-muclibc): Remove caveat about supported
7952 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7954 * doc/cpp.texi (__TIMESTAMP__): Document.
7956 2006-02-17 Roger Sayle <roger@eyesopen.com>
7959 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7960 C is one less than the width of X (and related transformations).
7961 * simplify-rtx.c (simplify_unary_operation_1): Transform
7962 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7963 depending on STORE_FLAG_VALUE, were C is one less then the
7966 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7968 Fix PR tree-optimization/26341
7969 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7970 about NAME_MEMORY_TAG's.
7972 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7975 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7976 with hardware float support, and software float support. Add fcpy
7977 alternative to hardware patterns. Add alternatives to copy between
7978 general and floating-point registers to the 32-bit pattern.
7979 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7980 secondary reload to load a QI or HI mode constant into a floating
7982 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7983 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7985 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7988 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7990 (load_macho_picbase_di): Likewise.
7992 2006-02-16 Jeff Law <law@redhat.com>
7994 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7995 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7996 (ssa_name_nonzero_p): Likewise.
7997 (get_value_range): Return NULL if VRP is not running.
7998 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7999 VRP routines do not discover a range.
8000 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8001 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8002 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8003 (tree_expr_nonnegative_p): Similarly.
8004 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8005 (restore_nonzero_vars_to_original_value): Remove.
8006 (unsafe_associative_fp_binop): Remove.
8007 (tree_ssa_dominator_optimize): Remove initialization and
8008 finalization of nonzero_vars and nonzero_vars_stack.
8009 (dom_opt_initialize_block): No longer push marker on
8011 (dom_opt_finalize_block): No longer call
8012 restore_nonzero_vars_to_original_value.
8013 (record_equivalences_from_phis): No longer look for
8014 nonzero PHI arguments.
8015 (cprop_into_successor_phis): No longer propagate nonzero
8016 property into PHI arguments. Lose unused argument. Caller
8018 (record_equivalences_from_stmt): No longer record nonzero
8019 values for SSA_NAMEs.
8020 (lookup_avail_expr): No longer use nonzero_vars.
8022 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8023 for sizetype when sizetype is unsigned.
8025 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8027 PR rtl-optimization/25603
8028 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8029 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8030 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8031 with new meaning of SETS.
8033 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8038 * config/linux.opt: New file.
8039 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8040 LINUX_DYNAMIC_LINKER): Define.
8041 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8042 * config.gcc (*-*-linux*): Define extra_options.
8043 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8044 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8045 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8046 GLIBC_DYNAMIC_LINKER.
8047 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8048 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8049 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8051 * doc/invoke.texi (GNU/Linux Options): New section.
8053 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8055 * config/sparc/sparc.md (setjmp): Rewrite.
8056 (setjmp_32): Delete.
8057 (setjmp_64): Likewise.
8059 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8061 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8064 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8066 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8069 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8071 PR rtl-optimization/26296
8072 * Makefile.in (loop-invariant.c): Add except.h dependency.
8073 * loop-invariant.c: Include except.h.
8074 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8076 2005-02-16 Paul Brook <paul@codesourcery.com>
8078 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8081 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8083 PR rtl-optimization/25636
8084 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8085 when deciding whether an insn is an initializing insn.
8087 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8089 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8090 (tree_code_size): Ditto.
8091 * tree.h (struct tree_memory_tag): Remove parent_var.
8092 (struct tree_struct_field_tag): New.
8095 (union tree_node): Add sft member.
8096 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8098 (create_sft): Add size and offset argument, set SFT_OFFSET and
8100 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8101 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8102 * tree-flow-inline.h (get_subvar_at): Update for
8103 SFT_OFFSET/SFT_SIZE.
8104 (var_can_have_subvars): Ditto.
8105 (overlap_subvar): Ditto.
8106 * print-tree.c (print_node): Print out interesting things for
8108 * tree-flow.h (struct subvar): Remove offset and size members.
8109 * tree-ssa-operands.c (get_expr_operands): Update for
8110 get_indirect_ref_operands changes.
8111 (get_indirect_ref_operands): Call add_virtual_operand instead of
8112 add_stmt_operand. Only recurse on base var if requested.
8113 (access_can_touch_variable): New function.
8114 (add_stmt_operand): Split virtual operand handling into ...
8115 (add_virtual_operand): Here. Add offset, size, and for_clobber
8116 arguments. Prune alias sets.
8117 (add_call_clobber_ops): Call add_virtual_operand.
8119 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8122 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8124 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8125 than TREE_CODE as index into omp_clause_num_ops array.
8127 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8129 PR rtl-optimization/26184
8130 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8132 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8133 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8134 must_precede, must_follow and tobe_scheduled.
8137 * opts.c (common_handle_option): Free new_option pointer.
8138 * df-core.c (df_analyze): Free postorder pointer.
8140 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8142 * Makefile.in: Fix the examples about the use of stamps
8144 2006-02-15 Michael Matz <matz@suse.de>
8148 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8149 influenced by maximum_field_alignment or DECL_PACKED.
8150 (update_alignment_for_field): Ditto.
8151 (place_field): Ditto.
8152 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8155 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8157 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8158 (debug_flow_info): Pass it.
8159 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8160 * bb-reorder.c (reorder_basic_blocks): Likewise.
8161 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8162 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8163 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8164 * gcse.c (gcse_main, bypass_jumps): Likewise.
8165 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8166 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8167 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8168 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8169 * rtl.h (dump_flow_info): Adjust prototype.
8170 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8171 * var-tracking.c (variable_tracking_main): Likewise.
8172 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8173 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8176 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8178 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8181 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8183 PR tree-optimization/26209
8184 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8185 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8187 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8189 2006-02-14 Roger Sayle <roger@eyesopen.com>
8192 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8193 (X,Y) and the corresponding symmetry related transformations.
8194 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8195 (X,Y) and its symmetry related transformations.
8197 2006-02-14 Roger Sayle <roger@eyesopen.com>
8199 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8202 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8204 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8206 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8209 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8210 support COMDAT group.
8211 * configure: Regenerate.
8213 2006-02-14 Roger Sayle <roger@eyesopen.com>
8218 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8220 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8222 Fix PR tree-optimization/26260
8224 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8226 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8227 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8228 * tree-ssa-structalias.c (create_variable_info_for): Use
8229 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8231 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8233 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8235 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8236 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8237 of the ending condition.
8238 * tree-ssa-loop-manip.c: Include params.h.
8239 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8240 tree_unroll_loop): New functions.
8241 * tree-pass.h (pass_loop_prefetch): Declare.
8242 * loop.c (rest_of_handle_loop_optimize): Test for
8243 -fprefetch-loop-arrays-rtl.
8244 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8245 * timevar.def (TV_TREE_PREFETCH): New timevar.
8246 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8247 pass_loop_prefetch): New.
8248 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8249 (cleanup_tree_cfg_loop): Call scev_reset.
8250 * common.opt (fprefetch-loop-arrays-rtl): Add.
8251 * tree-ssa-loop-prefetch.c: New file.
8252 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8253 (new_temp_expr_table): Initialize expr_vars.
8254 (free_temp_expr_table): Cleanup expr_vars.
8255 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8256 expressions from being merged into one.
8257 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8258 (struct tree_niter_desc): Add control, bound and cmp fields.
8259 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8261 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8262 (tree-cfgcleanup.o): Add SCEV_H dependency.
8263 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8264 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8266 2006-02-14 Richard Guenther <rguenther@suse.de>
8268 PR tree-optimization/26258
8269 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8270 in PHI argument processing.
8272 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8274 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8275 new expression in the requested machine mode.
8277 2006-02-13 Roger Sayle <roger@eyesopen.com>
8279 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8280 directly, instead let do_compare_rtx_and_jump handle this for us.
8281 * expr.c (expand_expr_real_1): Likewise.
8282 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8283 before do_jump_by_parts_greater.
8284 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8285 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8287 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8289 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8291 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8293 PR rtl-optimization/26235
8294 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8295 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8298 2006-02-13 Jeff Law <law@redhat.com>
8300 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8303 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8306 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8307 twice if decl is a builtin. When trying again, call get_callee_fndecl
8308 first to verify it is still a builtin.
8310 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8312 * dwarf2out.c (base_type_die): Don't add AT_name here.
8313 (subrange_type_die): Don't add AT_name here.
8314 (modified_type_die): Rearrange code flow. Do add AT_name here.
8316 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8318 PR rtl-optimization/26247
8319 PR rtl-optimization/26248
8320 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8322 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8324 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8325 * config/fixtfdi.c: Likewise.
8326 * config/fixunstfdi.c: Likewise.
8327 * config/floatditf.c: Likewise.
8329 2006-02-13 Roger Sayle <roger@eyesopen.com>
8332 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8333 into (X,C2) if C1 is a subset of the bits of C2. Transform
8334 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8336 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8338 2006-02-13 Josh Conner <jconner@apple.com>
8341 * varasm.c (function_section): Check for section name before
8342 calling select_section on targets that define
8343 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8344 unlikely_text_section instead of hot_function_section if
8345 first_function_block_is_cold.
8347 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8350 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8352 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8354 PR rtl-optimization/26222
8355 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8356 after tree->rtl expansion.
8357 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8358 before passing it to emit_move_insn.
8360 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8362 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8364 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8365 Clarify documentation.
8366 * c-common.h (warn_write_strings): Remove.
8367 * c-common.c (warn_write_strings): Likewise.
8368 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8371 2006-02-12 Roger Sayle <roger@eyesopen.com>
8374 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8375 (do_jump_parts_zero_rtx): New function renamed from
8376 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8377 (do_jump_parts_equality_rtx): New function split out from
8378 do_jump_parts_equality. Old implementation renamed as above.
8379 Call do_jump_parts_zero_rtx if either operand is zero.
8380 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8381 do all of the heavy lifting.
8382 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8383 calling either do_jump_by_parts_greater_rtx or
8384 do_jump_by_parts_equality_rtx.
8385 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8386 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8387 moved to do_compare_rtx_and_jump, call it directly.
8388 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8389 mode argument. Call do_compare_rtx_and_jump.
8390 (emit_case_nodes): Update calls to do_jump_if_equal.
8392 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8394 PR rtl-optimization/26225
8395 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8397 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8399 PR rtl-optimization/26232
8400 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8402 2006-02-11 Jason Merrill <jason@redhat.com>
8405 * tree-inline.c (declare_return_variable): Just don't use the
8406 modify target if it's a gimple complex reg and the return slot
8409 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8411 * doc/contrib.texi: Update my entry.
8413 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8415 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8417 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8419 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8422 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8424 * doc/invoke.texi (-floop-optimize2): Removed.
8425 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8426 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8427 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8428 * common.opt (floop-optimize2): Removed.
8429 (fmove-loop-invariants): Enabled by default.
8431 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8433 * tree-if-conv.c (combine_blocks): Free the result of
8434 get_loop_exit_edges.
8436 2006-02-10 Jeff Law <law@redhat.com>
8438 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8440 PR tree-optimization/26213
8441 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8442 loop trying to follow SSA_NAME_VALUE chains.
8444 2006-02-10 Richard Guenther <rguenther@suse.de>
8446 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8447 deal with structures that end in implicitly variable sized arrays.
8449 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8451 PR rtl-optimization/24762
8452 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8455 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8457 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8458 (struct ivopts_data): Add regs_used field.
8459 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8460 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8461 instead of loop_data->regs_used;
8462 (free_loop_data): Do not free aux fields for loops.
8463 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8464 and tree_ssa_iv_optimize_finalize.
8466 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8468 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8470 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8473 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8474 computing the effective result type.
8476 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8479 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8480 (tree_overlaps_hard_reg_set): Declare.
8481 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8482 type and signature to match function type expected by walk_tree.
8483 (tree_overlaps_hard_reg_set): New function.
8484 (decl_conflicts_with_clobbers_p): Rename to:
8485 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8486 Use tree_overlaps_hard_reg_set. Changed caller.
8487 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8488 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8489 * cris.c (cris_md_asm_clobbers): Likewise.
8491 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8493 * reload1.c (emit_input_reload_insns): Delete code that tries to
8494 inherit using find_equiv_reg.
8496 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8498 * c-common.h (flag_const_strings): Don't declare.
8499 * c-common.c (flag_const_strings): Remove.
8500 * c.opt (fconst_strings): Remove.
8501 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8502 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8503 (c_common_init_options): Don't set flag_const_strings.
8504 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8506 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8508 * arm.md (tlobits_cbranch): New pattern.
8509 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8510 testing a single bit.
8512 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8515 * tree-ssa-pre.c (create_component_ref_by_pieces):
8516 Handle RETURN_DECL like VAR_DECL.
8518 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8521 * fold-const.c (fold_indirect_ref_1): Fold
8522 "*(foo *)&complexfoo" to "__real__ complexfoo"
8523 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8525 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8527 * tree-flow-inline.h (var_can_have_subvars):
8528 Volatile variables should not have subvariables.
8530 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8533 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8534 multiplying unsigned values.
8537 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8539 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8541 2006-02-08 Jason Merrill <jason@redhat.com>
8544 * tree.def: Elaborate on difference from MODIFY_EXPR.
8545 * doc/c-tree.texi (INIT_EXPR): Likewise.
8546 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8547 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8548 (gimplify_target_expr): Likewise.
8549 (gimplify_cond_expr): Remove target handling.
8550 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8551 (gimplify_expr): Clobber it here.
8552 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8553 Do return slot optimization if we have an INIT_EXPR.
8556 * tree-inline.c (declare_return_variable): Also clear
8557 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8560 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8563 * gimplify.c (gimplify_one_sizepos): Fix typo.
8565 2006-02-08 Jeff Law <law@redhat.com>
8567 PR tree-optimization/21417
8568 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8569 across a backedge if the control statement at the end of the
8570 block is data dependent on other statements in the same block.
8571 (record_temporary_equivalences_from_stmts): Remove over-conservative
8572 test for threading across backedges.
8574 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8575 control statement, handle all three special cases in the same
8576 manner as they all have the same desired solution. No longer
8577 special case edge flag updating when the post dominator is
8580 2006-02-08 Roger Sayle <roger@eyesopen.com>
8582 * tree.def (CHAR_TYPE): Remove.
8583 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8584 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8585 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8586 (gen_string_type_die): Delete unreachable function.
8588 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8589 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8590 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8591 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8592 * builtins.c (type_to_class): Likewise.
8593 * fold-const.c (fold_convert, build_range_check,
8594 merge_ranges): Likewise.
8595 * expr.c (count_type_elements): Likewise.
8596 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8597 * stor-layout.c (layout_type): Likewise.
8598 * ipa-type-escape.c (type_to_consider): Likewise.
8599 * gimplify.c (omp_firstprivatize_type_sizes,
8600 gimplify_type_sizes): Likewise.
8601 * explow.c (promote_mode): Likewise.
8602 * tree-sra.c (is_sra_scalar_type): Likewise.
8603 * varasm.c (output_constant): Likewise.
8604 * tree-inline.c (remap_type_1): Likewise.
8605 * convert.c (convert_to_pointer, convert_to_real,
8606 convert_to_integer, convert_to_complex): Likewise.
8608 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8610 * df-scan.c (df_def_record_1): A set destination may
8611 be a parallel regardless of mode.
8613 2006-02-08 Roger Sayle <roger@eyesopen.com>
8616 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8617 * config/mips/_tilib.c: Remove.
8618 * config/fixtfdi.c: New libgcc source file.
8619 * config/fixunstfdi.c: New source file.
8620 * config/floatditf.c: New source file.
8621 * config/floatunditf.c: New souce file.
8622 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8623 files above instead of config/mips/_tilib.c.
8624 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8626 2006-02-08 Jeff Law <law@redhat.com>
8628 PR tree-optimization/26169
8629 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8632 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8634 * df.h (DF_REG_SIZE): Return the length of the initialized
8637 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8639 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8640 __muldf3): Return a correctly signed zero.
8642 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8644 * passes.c (register_one_dump_file): Accept the current properties
8645 instead of pass number. Adjust call to dump_register. Remove
8647 (register_dump_files): Now a wrapper around...
8648 (register_dump_files_1): ... this one. Do not modify the pass
8650 (next_pass_1): Cosmetic fix.
8651 (execute_todo): Keep second parameter only. Use curr_properties
8652 instead of fetching it from the pass structure. Check and set
8654 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8655 instead of fetching it from the pass structure. Fix calls to
8656 execute_todo. Update curr_properties and initialize .vcg RTL dump
8657 after running the pass. Reset last_verified.
8658 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8660 (FIRST_AUTO_NUMBERED_DUMP): New.
8661 (dump_register): Remove "num" parameter, assign it within the
8663 (get_dump_file_name): Modify template for dumps.
8664 * tree-dump.h (dump_register): Adjust prototype.
8665 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8666 (PROP_trees): Add PROP_gimple_lomp.
8667 (TODO_set_props): New.
8668 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8669 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8670 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8672 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8674 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8675 (sparc64-*-linux*): Likewise.
8676 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8677 * config/sparc/t-linux: New file.
8678 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8679 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8680 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8681 -m32 -mlong-double-128.
8683 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8684 * config/alpha/t-linux: New file.
8685 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8687 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8688 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8689 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8690 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8691 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8692 (CPP_ARCH32_SPEC): Remove.
8694 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8696 PR tree-optimization/26145
8697 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8700 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8703 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8704 >= 240000 when generating code for SOM runtime.
8705 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8706 to $$dyncall when generating code for SOM runtime..
8708 2006-02-07 Dirk Mueller <dmueller@suse.com>
8711 * doc/invoke.texi (-Wsequence-point): Update documentation
8712 that -Wsequence-point is implemented for C++ as well.
8714 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8716 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8717 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8718 (LIB_SPEC): Likewise.
8719 * doc/invoke.texi (SPARC options): Document -pthread.
8721 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8723 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8726 2006-02-07 Roger Sayle <roger@eyesopen.com>
8728 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8729 Correct comment describing BOOLEAN_TYPE.
8731 2006-02-07 Dirk Mueller <dmueller@suse.com>
8733 * c.opt: C++ frontend supports -Wdiv-by-zero.
8734 * c-opts.c (c_common_handle_option): Remove dead case.
8736 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8738 * configure.ac (TLS assembler check): Do not enable TLS by
8739 default on SPARC/Solaris before version 10.
8740 * configure: Regenerate.
8742 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8744 * doc/invoke.texi (xl-compat): Document conversion and support
8747 2006-02-07 Jeff Law <law@redhat.com>
8749 * tree-vrp.c (find_conditional_asserts): Update comments.
8750 (simplify_stmt_for_jump_threading): New.
8751 (identify_jump_threads, finalize_jump_threads): New.
8752 (vrp_finalize): Call identify_jump_threads.
8753 (execute_vrp): Call finalize_jump_threads.
8754 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8755 (vrp_element, vrp_data, vrp_element_p): Remove.
8756 (vrp_hash_elt, vrp_variables_stack): Remove.
8757 (vrp_hash, vrp_eq, record_range): Remove.
8758 (simplify_cond_and_lookup_avail_expr): Remove.
8759 (extract_range_from_cond): Remove.
8760 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8761 (simplify_stmt_for_jump_threading): New.
8762 (dom_thread_across_edge): New wrapper.
8763 (tree_ssa_dominator_optimize): No longer initialize or
8764 finalize any of the VRP datastructures. Remove iteration
8765 step and simplify as a result of removal of iteration step.
8766 (pass_dominator): Perform a cfg cleanup after DOM.
8767 (dom_opt_finalize_block): Use the new common routines
8768 for threading jumps. Simplify stack management slightly.
8769 No longer need to unwind VRP state.
8770 (record_equivalences_from_incoming_edge): No longer record
8772 (eliminate_redundant_computations): No longer call
8773 simplify_cond_and_lookup_avail_expr.
8774 * tree-flow.h (potentially_threadable_block): Prototype.
8775 (thread_across_edge): Likewise.
8776 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8777 (tree-ssa-threadedge.o): Add dependencies.
8778 * tree-ssa-threadedge.c: New file.
8779 * passes.c (init_optimization_passes): Merge PHIs before
8780 calling VRP. Run VRP again late in the SSA optimization pipeline.
8782 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8784 * df-core.c (df_set_blocks): Do not dereference function pointers.
8785 (df_finish1): Likewise.
8786 (df_hybrid_search_forward): Likewise.
8787 (df_hybrid_search_backward): Likewise.
8788 (df_iterative_dataflow): Likewise.
8789 (df_analyze_problem): Likewise.
8790 (df_compact_blocks): Likewise.
8791 (df_dump): Likewise.
8792 * df-scan.c (df_rescan_blocks): Likewise.
8793 (df_record_entry_block_defs): Likewise.
8795 * genconditions.c (write_conditions): Guard the definition of
8796 'insn_conditions' with the check on GCC version.
8797 (write_writer): Guard the traversal 'insn_conditions' with
8798 the check on GCC version.
8800 2006-02-07 Richard Guenther <rguenther@suse.de>
8804 2006-01-30 Richard Guenther <rguenther@suse.de>
8806 * gimplify.c (gimplify_target_expr): Handle easy cases
8807 without creating a temporary.
8809 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8811 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8812 use of float in probability computations. Use edge probabilities
8813 in place of statically computed probabilities.
8814 (min_spec_prob): New static variable.
8815 (schedule_insns): Initialize it.
8816 (GET_SRC_PROB): Removed.
8817 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8819 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8822 * config/ia64/unwind-ia64.c: Revert last change.
8823 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8824 (INCOMING_FRAME_SP_OFFSET): Define.
8826 2006-02-06 Roger Sayle <roger@eyesopen.com>
8828 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8830 2006-02-07 Ben Elliston <bje@au.ibm.com>
8832 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8833 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8834 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8835 (ix86_return_in_memory): Handle TDmode.
8836 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8837 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8839 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8841 * reorg.c (dbr_schedule): Use dump_file instead of file.
8843 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8846 * config/ia64/predicates.md (extr_len_operand): New predicate.
8847 * config/ia64/ia64.md (extv): Tighten constraints.
8849 (*tbit_and_2): Ditto.
8850 (*tbit_and_3): Ditto.
8851 (*tbit_or_2): Ditto.
8852 (*tbit_or_3): Ditto.
8856 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8859 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8861 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8863 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8864 loop_optimizer_init and loop_optimizer_finalize
8865 * tree-ssa-sink.c (execute_sink_code): Ditto.
8866 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8867 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8868 tree_ssa_loop_done): Ditto.
8869 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8870 * sched-ebb.c: Include output.h.
8871 (schedule_ebbs): Do not use dump argument.
8872 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8873 * loop.c (loop_dump_stream): Removed.
8874 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8876 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8877 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8878 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8879 loop_iterations, strength_reduce, record_biv, record_giv,
8880 final_giv_value, check_final_value, check_ext_dependent_givs,
8881 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8882 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8883 dump_file instead of loop_dump_stream.
8884 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8886 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8888 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8889 * haifa-sched.c: Include output.h
8890 (schedule_insns, sched_init): Do not use dump argument.
8891 * mode-switching.c (optimize_mode_switching): Ditto.
8892 * modulo-sched.c (stats_file): Removed.
8893 (print_node_sched_params): Do not call argument dump_file.
8894 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8895 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8897 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8899 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8900 rtl_loop_init, rtl_loop_done): Ditto.
8901 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8902 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8904 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8905 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8906 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8907 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8908 * emit-rtl.c (renumber_insns): Ditto.
8909 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8910 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8911 * regclass.c (regclass): Ditto.
8912 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8913 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8914 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8915 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8917 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8918 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8920 * gcse.c (gcse_file, debug_stderr): Removed.
8921 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8922 rest_of_handle_gcse): Do not use dump argument.
8923 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8924 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8925 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8926 compute_code_hoist_vbeinout, compute_code_hoist_data,
8927 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8928 compute_store_table, build_store_vectors, insert_insn_start_bb,
8929 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8930 store_motion): Use dump_file instead of gcse_file.
8931 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8932 * profile.c (profile_dump_file): Removed.
8933 (branch_prob): Use dump_file instead of profile_dump_file.
8934 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8936 * tree-ssa-copy.c (dump_copy_of): Ditto.
8937 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8938 dump file to life_analysis.
8939 * bt-load.c (branch_target_load_optimize): Ditto.
8940 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8942 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8943 regclass, dbr_schedule): Declaration changed.
8944 * sched-int.h (sched_init): Declaration changed.
8945 * tree-profile.c (tree_profile_dump_file): Removed.
8946 (tree_profile_hooks): Removed profile_dump_file hook.
8947 * rtl-profile (rtl_profile_dump_file): Removed.
8948 (rtl_profile_hooks): emoved profile_dump_file hook.
8949 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8951 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8952 * tree-cfg.c (build_tree_cfg): Ditto.
8953 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8954 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8955 Declaration changed.
8956 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8957 life_analysis and schedule_insns.
8958 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8960 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8962 * config/mips/mips.c (mips_reorg): Ditto.
8963 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8966 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8968 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8969 (s390_mangle_fundamental_type): New.
8970 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8973 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8974 (alpha_mangle_fundamental_type): New.
8975 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8978 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8980 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8982 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8983 (sparc_mangle_fundamental_type): New.
8985 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8987 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8988 (s390x-*-linux*): Likewise.
8989 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8990 * config/s390/t-linux: New file.
8992 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8994 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8995 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8997 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8999 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9000 (ANTIC_SAFE_LOADS): New macro.
9001 (find_or_generate_expression): Add prototype.
9002 (set_contains_value): Allow null set for sake of not always having
9003 to allocate ANTIC_SAFE_LOADS.
9004 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9005 Allow COMPONENT_REF too.
9006 (valid_in_set): Allow COMPONENT_REF.
9007 Check ANTIC_SAFE_LOADS too.
9008 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9009 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9011 (can_PRE_operation): Add COMPONENT_REF.
9012 (create_component_ref_by_pieces): New function.
9013 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9014 (insert_aux): Move AGGREGATE_TYPE_P check here.
9015 (compute_avail): Set bb local stmt uids.
9016 (pass_pre): Use TODO_update_ssa_only_virtuals.
9018 2006-02-06 Ben Elliston <bje@au.ibm.com>
9020 * configure.ac: Unconditionally disable decimal float by default.
9021 * configure: Regenerate.
9023 2006-02-06 Ben Elliston <bje@au.ibm.com>
9025 * read-rtl.c (read_name): Terminate reading on EOF.
9027 2006-02-06 Ben Elliston <bje@au.ibm.com>
9029 * dfp.c (decimal_real_arithmetic): Change second argument type
9030 from int to enum tree_code. Do not always return true, but now
9031 return result of any call to decimal_do helper functions.
9032 * dfp.h (decimal_real_arithmetic): Update prototype.
9034 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9036 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9038 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9041 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9044 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9046 * tree-vrp.c (cfg_loops): Removed.
9047 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9048 Use current_loops instead of cfg_loops. Pass flags to
9049 loop_optimizer_init.
9050 * cfgloopmanip.c (fix_loop_structure): Update only available
9052 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9053 loop_optimizer_init.
9054 * modulo-sched.c (build_loops_structure): Removed.
9055 (sms_schedule): Use loop_optimizer_init.
9056 * loop-init.c (loop_optimizer_init): Use flags to determine
9057 which properties of loops to prepare.
9058 (rtl_loop_init): Pass flags to loop_optimizer_init.
9059 * tree-ssa-sink.c (execute_sink_code): Ditto.
9060 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9061 * tree-ssa-pre.c (init_pre): Ditto.
9062 * cfgloop.h (LOOPS_NORMAL): New.
9063 (loop_optimizer_init): Declaration changed.
9065 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9067 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9068 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9070 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9072 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9074 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9075 * pa/t-pa64: Delete quadlib.c rule.
9076 * pa/x-ada: Revert last change.
9077 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9079 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9081 PR rtl-optimization/26087
9082 * rtlanal.c (canonicalize_condition): Do not cross basic block
9085 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9088 * config/ia64/ia64.c: Include debug.h.
9089 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9090 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9091 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9092 (process_epilogue, process_set, process_for_unwind_directive):
9093 Output unwind info only if requested. Add CFA info if requested.
9094 Add new arguments as needed. Adjust callers.
9095 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9097 (DWARF2_FRAME_INFO): Define to zero.
9098 * config/ia64/unwind-ia64.c: Remove code that compensated for
9099 the CFA offset error fixed above.
9100 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9101 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9102 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9103 -funwind-tables and -fexceptions to enable frame info.
9104 (dwarf2out_frame_init): Define initial CFA even if
9105 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9106 DWARF2_UNWIND_INFO is nonzero, not just defined.
9107 (dwarf2out_frame_finish): Output non-EH call frame info only
9108 if DWARF2_FRAME_INFO is nonzero.
9109 (convert_cfa_to_loc_list,
9110 compute_frame_pointer_to_cfa_displacement): Define even if
9111 unwind info is not supported.
9112 (gen_subprogram_die): Use the above unconditionally. Remove
9113 legacy alternate code.
9114 * toplev.c (compile_file): Compile in call to
9115 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9116 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9118 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9119 Jakub Jelinek <jakub@redhat.com>
9121 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9122 IBM extended float format long double as "g" on powerpc*-linux.
9124 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9127 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9128 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9130 2006-02-03 Jason Merrill <jason@redhat.com>
9133 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9136 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9137 on the return slot if it's an NRV.
9139 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9141 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9142 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9143 rewrite_use): Do not handle USE_OUTER.
9144 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9145 add_iv_outer_candidates, may_replace_final_value,
9146 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9147 (find_interesting_uses_op): Functionality of
9148 find_interesting_uses_outer_or_nonlin moved here.
9149 (find_interesting_uses_outside): Use find_interesting_uses_op.
9151 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9154 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9156 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9157 Ulrich Weigand <uweigand@de.ibm.com>
9160 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9161 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9162 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9163 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9165 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9166 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9167 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9168 Define secondary reloads for TFmode moves.
9169 (constant_modes): Add TFmode.
9170 (NR_C_MODES): Set to 8.
9171 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9173 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9174 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9175 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9176 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9177 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9178 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9179 (FPR mode macro): Add TFmode.
9180 (DSF mode macro): New.
9181 (<de>, <dee> mode attributes): Removed.
9182 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9183 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9184 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9185 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9186 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9187 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9188 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9189 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9190 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9191 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9192 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9193 "*negabs<mode>2", "sqrt<mode>2"):
9194 Changed <de> to <xde>. R constraint replaced by <Rf>.
9195 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9197 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9198 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9199 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9201 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9202 "extenddftf2", "extendsftf2"): New expanders.
9203 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9204 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9205 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9206 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9208 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9209 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9210 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9211 __floatditf): Add a GCC_4.1.0 symbol version tag.
9212 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9215 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9218 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9219 Use targetm.binds_local_p instead of TREE_PUBLIC.
9221 2006-02-02 Roger Sayle <roger@eyesopen.com>
9223 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9224 on INTEGER_TYPEs to indicate that it denotes a character type.
9225 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9226 signed_char_type_node, unsigned_char_type_node and char_type_node.
9227 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9228 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9229 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9231 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9232 Daniel Berlin <dberlin@dberlin.org>
9234 * tree-tailcall.c (arg_needs_copy_p): New function.
9235 (eliminate_tail_call): Use arg_needs_copy_p.
9236 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9237 (add_virtual_phis): New function.
9239 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9241 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9242 #ignore instead of #scratch for %g7 .register directive.
9244 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9246 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9249 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9251 * flow.c (calculate_global_regs_live): Assert that there aren't any
9254 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9256 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9258 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9259 bsi_after_labels iterator.
9260 * tree-if-conv.c (find_phi_replacement_condition,
9261 replace_phi_with_cond_modify_expr): Likewise.
9262 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9263 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9265 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9267 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9269 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9272 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9273 array after growing it.
9275 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9278 * fold-const.c (fold_checksum_tree): Change type of buf.
9280 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9282 * reload.c (push_secondary_reload): Initialize t_icode.
9284 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9286 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9287 -msoft-float -mlong-double-128 only issue a warning, but don't
9288 swich to DFmode long double.
9290 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9292 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9293 has a constant equivalent, iterate over equivalents for arg0,
9294 calling simplify_relational_operation and if there's a result
9295 cheaper than X, apply fold_rtx and return the result.
9297 2006-02-01 Jan Hubicka <jh@suse.cz>
9299 * opts.c (no_unit_at_a_time_default): New global variable.
9300 (decode_options): Use it.
9301 * opts.h (no_unit_at_a_time_default): Declare.
9303 2006-02-01 Paul Brook <paul@codesourcery.com>
9305 * function.c (assign_parm_setup_reg): Use function argument promotion
9307 * expr.c (expand_expr_real_1): Use function argument promotion rules
9310 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9312 * gcc.c (process_command): Change j to 'unsigned int'.
9314 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9317 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9318 Use the corrected index for the character
9319 out of the string constant.
9321 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9323 * mode-switching.c (optimize_mode_switching): Fix size
9324 allocated for bb_info[n_entities].
9326 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9328 * gcc.c (main): Correct type that is allocated for
9329 explicit_link_files.
9331 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9333 * config/s390/s390.c (init_alignment_context): Set
9334 ALIAS_SET_MEMORY_BARRIER on the MEM.
9335 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9337 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9340 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9342 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9345 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9347 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9348 * regrename.c: Ditto.
9349 * tree-ssa-loop-im.c: Ditto.
9350 * tree-dump.c: Ditto.
9351 * tree-complex.c: Ditto.
9352 * genrecog.c: Ditto.
9353 * tree-ssa-threadupdate.c: Ditto.
9355 * java/class.c: Ditto.
9356 * java/jcf-parse.c: Ditto.
9357 * java/resource.c: Ditto.
9358 * java/except.c: Ditto.
9359 * java/jvspec.c: Ditto.
9360 * java/jcf-write.c: Ditto.
9361 * java/jcf-path.c: Ditto.
9362 * java/gjavah.c: Ditto.
9363 * java/zextract.c: Ditto.
9364 * java/jcf-io.c: Ditto.
9365 * java/jcf.h: Ditto.
9366 * java/buffer.c: Ditto.
9367 * java/lang.c: Ditto.
9368 * java/parse-scan.y: Ditto.
9369 * java/lex.c: Ditto.
9370 * java/lex.h: Ditto.
9371 * cfgloopmanip.c: Ditto.
9372 * postreload-gcse.c: Ditto.
9373 * tree-ssa-loop-manip.c: Ditto.
9374 * postreload.c: Ditto.
9375 * tree-ssa-loop-ch.c: Ditto.
9379 * diagnostic.c: Ditto.
9381 * genoutput.c: Ditto.
9383 * cfghooks.c: Ditto.
9384 * cfgloopanal.c: Ditto.
9385 * objc/objc-act.c: Ditto.
9387 * genextract.c: Ditto.
9388 * genautomata.c: Ditto.
9389 * pretty-print.c: Ditto.
9391 * cgraphunit.c: Ditto.
9394 * haifa-sched.c: Ditto.
9395 * dominance.c: Ditto.
9397 * tree-ssa-loop-ivopts.c: Ditto.
9399 * mode-switching.c: Ditto.
9400 * modulo-sched.c: Ditto.
9402 * ipa-pure-const.c: Ditto.
9404 * fix-header.c: Ditto.
9406 * tree-stdarg.c: Ditto.
9407 * ipa-utils.c: Ditto.
9408 * loop-init.c: Ditto.
9409 * ipa-inline.c: Ditto.
9412 * alloc-pool.c: Ditto.
9413 * dwarf2out.c: Ditto.
9415 * genattrtab.c: Ditto.
9416 * tree-ssa-loop-ivcanon.c: Ditto.
9420 * fortran/gfortranspec.c: Ditto.
9422 * local-alloc.c: Ditto.
9423 * langhooks.c: Ditto.
9424 * function.c: Ditto.
9425 * tree-vectorizer.c: Ditto.
9427 * ipa-type-escape.c: Ditto.
9429 * tree-if-conv.c: Ditto.
9432 * tree-data-ref.c: Ditto.
9433 * loop-unroll.c: Ditto.
9434 * treelang/treetree.c: Ditto.
9437 * ggc-common.c: Ditto.
9439 * coverage.c: Ditto.
9441 * tree-cfgcleanup.c: Ditto.
9442 * tree-ssa-pre.c: Ditto.
9443 * cfgcleanup.c: Ditto.
9444 * loop-invariant.c: Ditto.
9446 * ipa-prop.c: Ditto.
9447 * print-tree.c: Ditto.
9448 * conflict.c: Ditto.
9449 * ggc-page.c: Ditto.
9450 * sched-deps.c: Ditto.
9451 * regclass.c: Ditto.
9452 * tree-object-size.c: Ditto.
9454 * bb-reorder.c: Ditto.
9455 * resource.c: Ditto.
9456 * var-tracking.c: Ditto.
9458 * df-problems.c: Ditto.
9459 * reg-stack.c: Ditto.
9462 * sched-rgn.c: Ditto.
9463 * tree-ssa-structalias.c: Ditto.
9464 * tree-ssa-reassoc.c: Ditto.
9465 * config/darwin-c.c: Ditto.
9466 * config/darwin.c: Ditto.
9467 * config/arm/arm.c: Ditto.
9469 * collect2.c: Ditto.
9472 2006-01-31 Nicolas Pitre <nico@cam.org>
9474 * arm.md (smaxsi3): Make aware of smax_m1.
9477 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9479 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9481 2006-01-31 Richard Guenther <rguenther@suse.de>
9483 * doc/invoke.texi (-msselibm): Document.
9484 * target.h (expand_library_builtin): New target hook.
9485 * builtins.c (expand_builtin): Use expand_library_builtin.
9486 (default_expand_library_builtin): New function.
9487 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9488 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9489 (link_gcc_math_spec): Declare.
9490 (static_specs): Add link_gcc_math_spec.
9491 * expr.h (default_expand_library_builtin): Declare.
9492 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9493 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9494 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9495 * config/i386/i386.opt (msselibm): New target option.
9496 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9497 (ix86_init_sse_abi_builtins): New function.
9498 (ix86_expand_library_builtin): Likewise.
9499 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9500 (override_options): Handle error conditions wrt -msselibm.
9501 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9502 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9503 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9506 2006-01-31 Richard Guenther <rguenther@suse.de>
9507 Paolo Bonzini <bonzini@gnu.org>
9509 * doc/install.texi (--disable-libgcc-math): Document.
9511 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9513 * expr.h (expand_normal): new inline function.
9514 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9516 * dwarf2out.c: use it.
9521 * config/sparc/sparc.c: use it.
9522 * config/i386/i386.c: use it.
9523 * config/rs6000/rs6000.c: use it.
9524 * config/arm/arm.c: use it.
9525 * config/mips/mips.c: use it.
9526 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9528 2006-01-30 Roger Sayle <roger@eyesopen.com>
9530 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9531 argv to the appropriate type.
9533 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9535 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9538 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9541 * config/s390/s390.c (struct machine_function): New flag
9542 decomposed_literal_pool_addresses_ok_p.
9543 (s390_reorg): Set it before final stage of literal pool transforms.
9544 (s390_decompose_address): Only accept displacements of the form
9545 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9547 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9549 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9550 the comparison routine return.
9552 2006-01-30 Michael Matz <matz@suse.de>
9554 * global.c (find_reg): Only evict for global regs.
9555 Take n_refs into account and dump more info.
9557 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9560 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9561 (pragma_trap, pragma_nosave_low_regs): Likewise.
9562 (current_function_anonymous_args): Likewise.
9563 (sh_deferred_function_attributes): New variable.
9564 (sh_deferred_function_attributes_tail): Likewise.
9565 (print_operand): For '@', look up trap_exit attribute.
9566 (calc_live_regs): Look up trapa_handler attribute. For trapa
9567 handlers, save/restore fpscr, but don't do any other
9568 interrupt-specific saves.
9569 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9570 Fix check for partially saved registers to check for SHmedia.
9571 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9572 (sh_output_function_epilogue): Don't clear any of the removed
9574 (sh_insert_attributes): Don't check pragma_interrupt.
9575 Insert deferred attributes. Check that interrupt attribute is
9576 present for other attributes that require its presence.
9577 (sh_attribute_table): Add new attributes trapa_handler and
9579 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9580 Don't check for pragma_interrupt. Don't store argument.
9581 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9582 (sh_deferred_function_attributes): Declare.
9583 (sh_deferred_function_attributes_tail): Likewise.
9584 * sh.md (sp_switch_1): Add operand. Change generator caller.
9585 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9586 (*return_i): Don't use when trap_exit attribute is in effect.
9587 (*return_trapa): New insn pattern.
9589 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9590 setting c_target_objs and cxx_target_objs.
9591 * t-sh: Add rule for sh-c.o.
9593 2006-01-30 Richard Guenther <rguenther@suse.de>
9596 * gimplify.c (gimplify_target_expr): Handle easy cases
9597 without creating a temporary.
9599 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9601 * vec.h (safe_grow): Remove duplicated line.
9603 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9606 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9607 (expand_omp): ... here.
9608 (expand_omp_parallel): Only remove barriers for combined
9609 parallel+workshare constructs.
9611 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9615 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9616 * tree.c (build_qualified_type): Chain the new type to the original
9617 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9618 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9619 (build_pointer_type_for_mode): Only return unqualified types.
9620 (build_reference_type_for_mode): Likewise.
9622 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9624 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9625 * Makefile.in (CXX_COMPAT_WARN): Define.
9626 * configure: Regenerate.
9628 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9631 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9634 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9636 * toplev.c: Fix thinko.
9638 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9639 Marcin Dalecki <martin@dalecki.de>
9641 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9642 (push_srcloc): Use XNEW.
9643 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9645 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9647 * df-core.c (df_set_blocks): Deleted all variable.
9649 2006-01-28 Ian Lance Taylor <ian@airs.com>
9651 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9652 cgraph_output_pending_asms.
9654 2006-01-28 Zack Weinberg <zackw@panix.com>
9656 * c.opt: Add -W(no-)overlength-strings.
9657 * doc/invoke.texi: Document it.
9658 * c-opts.c (c_common_handle_option): -pedantic implies
9659 -Woverlength-strings, if not explicitly disabled already.
9660 (c_common_post_options): -Woverlength-strings defaults to off, and
9661 is always off for C++.
9662 * c-common.c (fix_string_type): Issue warning about strings longer
9663 than is portable only if warn_overlength_strings. Rearrange code
9664 a little for clarity.
9665 * configure.in: Check for -Wno-overlength-strings as well before
9666 enabling -pedantic in stage 1.
9667 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9668 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9670 * genconditions.c (write_header, write_one_condition)
9671 (write_conditions, write_writer): Consolidate very long strings
9672 that were broken up to fit in C89 portable limit. Don't use
9673 printf when fputs will do.
9675 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9677 * combine.c (simplify_comparison <AND>): Check
9678 TRULY_NOOP_TRUNCATION before start using a subreg.
9680 * config/mips/mips.md (*branch_zero<mode>,
9681 *branch_zero<mode>_inverted, *branch_equality<mode>,
9682 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9683 Remove mode check from comparisons.
9685 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9687 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9689 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9691 * expmed.c (const_mult_add_overflow_p): Remove.
9692 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9694 * recog.c (validate_replace_rtx_subexp): Remove.
9695 * recog.h: Remove the prototype for
9696 validate_replace_rtx_subexp.
9698 * integrate.h: Remove the prototype for
9699 copy_decl_for_inlining.
9700 * rtl.h: Remove the prototype for mark_constant_function.
9701 * tree-vectorizer.h: Remove the prototype for
9702 vect_strip_conversion.
9704 * modulo-sched.c (create_partial_schedule,
9705 free_partial_schedule, reset_partial_schedule): Make them
9708 * hooks.c (hook_bool_rtx_int_false): Remove.
9709 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9711 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9713 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9714 and -mlong-double-128 are incompatible.
9715 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9716 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9717 (TARGET_LIBGCC2_CFLAGS): Define.
9718 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9719 (TARGET_LIBGCC2_CFLAGS): Same.
9720 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9722 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9725 * c-typeck.c (build_binary_op): Perform implicit casts of
9726 operands before shortening them.
9728 * cfgloopmanip.c (split_loop_bb): Remove.
9729 * cfgloop.h: Remove the prototype for split_loop_bb.
9731 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9732 * cfgloop.h: Remove the prototype for
9733 flow_loop_outside_edge_p.
9735 * emit-rtl.c (init_virtual_regs): Make it static.
9736 * function.h: Remove the prototype for init_virtual_regs.
9738 * recog.c (peephole2_optimize): Make it static.
9739 * recog.h: Remove the prototype for peephole2_optimize.
9741 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9743 * df-scan.c (df_record_entry_block_defs): Check if
9744 INCOMING_RETURN_ADDR_RTX is defined.
9746 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9747 Kenneth Zadeck <zadeck@naturalbridge.com>
9749 PR rtl-optimization/24762
9750 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9751 * targhooks.c (hook_void_bitmap): New hook prototype.
9752 * targhoohs.h (hook_void_bitmap): Ditto.
9753 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9754 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9755 * target.h (live_on_entry): New function pointer.
9756 * df-scan.c (df_all_hard_regs): Removed.
9757 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9758 (df_scan_free_internal): Added df->entry_block_defs.
9759 (df_scan_alloc): Ditto.
9760 (df_scan_dump): Ditto.
9761 (df_uses_record): Plumbed flag field properly thru calls.
9762 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9763 This part fixes PR24762.
9764 (df_bb_refs_record): Added code to make the frame and arg
9765 pointers live in EH blocks.
9766 (df_refs_record): Added call to df_record_entry_block_defs.
9767 (df_record_entry_block_defs): New function.
9768 * df-core.c: Added comments to describe new artifical defs.
9769 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9770 (entry_block_defs): New field in struct df.
9771 (df_all_hard_regs): Deleted.
9772 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9773 * df-problems.c (df_ru_bb_local_compute_process_def):
9774 Added code to handle artifical defs in the entry to a function.
9775 (df_ru_bb_local_compute): Ditto.
9776 (df_rd_bb_local_compute_process_def): Ditto.
9777 (df_rd_bb_local_compute): Ditto.
9778 (df_lr_bb_local_compute): Ditto.
9779 (df_ur_bb_local_compute): Ditto.
9780 (df_urec_bb_local_compute): Ditto.
9781 (df_chain_create_bb): Ditto.
9782 (df_ur_local_finalize): Removed entry.
9783 (df_urec_init): Ditto.
9784 (df_urec_local_finalize): Ditto.
9785 (df_ri_bb_compute): Added detection of last use of pseudos.
9786 * Makefile.in (df-scan.o): Updated dependencies.
9787 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9788 * config/mips/mips.c (mips_set_live_on_entry): Added.
9789 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9791 * dce.c (marked_insn_p): Added code to handle artifical defs.
9793 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9795 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9797 (_mm_cvtsi128_si64): Likewise.
9798 (_mm_cvtsd_si64): Likewise.
9799 (_mm_cvttsd_si64): Likewise.
9800 (_mm_cvtsi64_sd): Likewise.
9801 (_mm_cvtsi64_si128): Likewise.
9802 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9803 (_mm_cvtsi64_m64): Likewise.
9804 (_m_to_int64): Likewise.
9805 (_mm_cvtm64_si64): Likewise.
9806 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9807 (_mm_cvttss_si64): Likewise.
9808 (_mm_cvtsi64_ss): Likewise.
9809 (_mm_cvtss_f32): Likewise.
9811 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9813 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9814 for pragma redefine_extname.
9816 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9819 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9820 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9821 -mno-minimal-toc to previous content.
9822 (bispecs): Remove goal.
9823 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9824 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9825 compatibility aliases on powerpc-*-*gnu*.
9826 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9827 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9828 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9829 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9830 (ldblspecs): New goal.
9831 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9832 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9834 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9835 L_sf_to_tf or L_df_to_tf is defined.
9837 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9838 Alan Modra <amodra@bigpond.net.au>
9841 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9842 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9843 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9844 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9845 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9846 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9847 (rs6000_override_options): Initialize rs6000_ieeequad.
9848 Initialize TFmode format to ibm_extended_format if not
9850 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9852 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9853 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9854 (function_arg_advance): IBM long double passed in two FPRs, not
9856 (function_arg): IBM long double passed in FPRs.
9857 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9858 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9859 Only multireg GPR aligned.
9860 (rs6000_init_libfuncs): Enable IBM long double functions if not
9862 (rs6000_generate_compare): Use IBM long double compare if not
9864 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9865 (TARGET_IEEEQUAD): Define.
9866 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9867 not TARGET_IEEEQUAD.
9868 * config/rs6000/rs6000.md: Enable TFmode patterns if
9870 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9871 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9872 and -mlong-double-128 are incompatible.
9873 * doc/invoke.texi (-mabi): Collect options together. Add
9874 ibmlongdouble and ieeelongdouble.
9876 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9878 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9880 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9881 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9882 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9883 * rtl.h (rtunion_def): Remove rt_ptr.
9885 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9886 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9887 * config/i386/winnt.c (i386_pe_mark_dllexport)
9888 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9890 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9892 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9894 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9898 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9899 pthread_key_delete. From John David Anglin. gthrw-ify
9900 pthread_getunique_np only if it it's not a macro. Delete
9902 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9903 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9904 __gthread_objc_condition_signal, __gthread_key_delete): Add
9905 "__attribute__ ((__unused__))" to unused arguments.
9906 (__gthread_recursive_mutex_init_function): Add missing return.
9907 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9908 gthr-posix95.h: Use macro-based approach for name redirection
9909 on targets missing weakref.
9911 2006-01-26 Zack Weinberg <zackw@panix.com>
9913 * genconditions.c (write_header): In generated code, #ifdef out
9914 all includes and fake declarations, except includes of bconfig.h
9915 and system.h, unless GCC_VERSION >= 3001. Do not include
9916 gensupport.h in any case.
9917 (write_conditions): Generate a definition of struct c_test. Add
9918 a comment to the generated #endif.
9919 (write_one_condition): Escape backslashes in string too.
9920 (write_writer): Generated code must escape backslashes and quote
9921 marks (but not newlines) in the strings it writes.
9922 * Makefile.in (build/gencondmd.o): Update dependencies.
9924 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9927 * Makefile.in (insn-automata.o): Add header file dependencies.
9928 * genautomata.c: Add includes.
9930 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9933 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9935 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9937 * configure.ac: Expect target tools paths to be passed from the toplevel
9938 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9940 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9942 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9945 * c.opt (Wpointer-sign): Init to -1.
9946 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9947 OPT_pedantic, to 0 otherwise.
9948 * doc/invoke.texi: Update.
9950 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9952 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9953 constants provided by 80387 instructions in the destination mode.
9955 2006-01-26 Richard Guenther <rguenther@suse.de>
9956 Andrew Pinski <pinskia@physics.uc.edu>
9959 partial PR tree-opt/17064
9960 * tree-ssa-structalias.c (intra_create_variable_infos):
9961 Create heap variables for incoming parameters if
9962 flag_argument_noalias > 1.
9963 (find_what_p_points_to): Look through default defs of
9966 2006-01-26 Jeff Law <law@redhat.com>
9969 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9970 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9971 within the VR_RANGE, use the VR_RANGE as the result, not the
9973 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9974 bounds for the type.
9976 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9978 * tree-ssa-alias.c (maybe_create_global_var): Change
9979 subvar walking to an assertion that we don't have subvar'd variables.
9981 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9984 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9985 Use a new variable, inner. PARM_DECLs are always non-weak.
9987 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9989 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9992 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9994 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9996 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9998 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9999 (smax_insn, smin_insn, smax_0, smin_0): New.
10001 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10004 * config/cris/cris.c (cris_order_for_addsi3): New function.
10005 * config/cris/cris-protos.h: Prototype it.
10006 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10007 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10008 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10009 (split for "op.S1 [rx=rx+i],ry (swapped)")
10010 (split for "op(s|u).S1 [rx=rx+i],ry")
10011 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10012 Apply cris_order_for_addsi3 when generating addsi3 insns.
10014 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10016 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10017 (TREE_BLOCK): Add call to EXPR_CHECK.
10019 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10022 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10023 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10024 (dump_omp_clauses): ... here.
10025 (dump_generic_node): Handle OMP_CLAUSE.
10026 * tree.c (omp_clause_num_ops): New.
10027 (omp_clause_code_name): New.
10028 (tree_code_size): Handle OMP_CLAUSE.
10029 (tree_size): Likewise.
10030 (make_node): Document handling of OMP_CLAUSE.
10031 (tree_node_structure): Handle OMP_CLAUSE.
10032 (omp_clause_check_failed): New.
10033 (omp_clause_range_check_failed): New.
10034 (omp_clause_operand_check_failed): New.
10035 (build_omp_clause): New.
10036 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10037 * tree.h (enum omp_clause_code): Declare.
10038 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10039 (OMP_CLAUSE_RANGE_CHECK): Define.
10040 (OMP_CLAUSE_ELT_CHECK): Define.
10041 (omp_clause_check_failed): Declare.
10042 (omp_clause_operand_check_failed): Declare.
10043 (omp_clause_range_check_failed): Declare.
10044 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10045 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10046 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10047 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10048 (OMP_CLAUSE_IF_EXPR): Likewise.
10049 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10050 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10051 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10052 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10053 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10054 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10055 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10056 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10057 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10058 (OMP_CLAUSE_CODE): Define.
10059 (OMP_CLAUSE_SET_CODE): Define.
10060 (OMP_CLAUSE_CODE): Define.
10061 (OMP_CLAUSE_OPERAND): Define.
10062 (struct tree_omp_clause): Declare.
10063 (union tree_node): Add field 'omp_clause'.
10064 * treestruct.def (TS_OMP_CLAUSE): Define.
10065 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10066 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10067 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10068 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10069 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10070 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10071 (OMP_CLAUSE): Define.
10072 * print-tree.c (print_node): Handle OMP_CLAUSE.
10073 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10074 * c-typeck.c: Likewise.
10075 * gimplify.c: Likewise.
10076 * c-omp.c: Likewise.
10077 * tree-nested.c: Likewise.
10078 * tree-inline.c: Likewise.
10079 * c-parser.c: Likewise.
10080 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10083 2006-01-25 Roger Sayle <roger@eyesopen.com>
10085 PR rtl-optimization/25703
10086 * combine.c (try_combine): Handle zero_extract and strict_low_part
10087 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10089 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10091 * global.c: Fix comment typos.
10093 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10096 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10097 Use output_addr_const instead of assemble_name.
10099 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10101 * Makefile.in (sched-vis.o): Update dependencies.
10102 * haifa-sched.c (sched_finish): Clear current_sched_info.
10103 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10104 (dump_flow_info): Call it.
10105 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10107 * basic-block.h (dump_bb_info): Declare.
10108 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10109 option, and apply options only for dump files whose TDF_RTL,
10110 TDF_TREE, or TDF_IPA bits match.
10111 * rtl.h: Declare new functions exported from sched-vis.c.
10112 * sched-vis.c: Enable also if scheduling is not used.
10113 (print_value): Print the mode of registers if not inside scheduling.
10114 (print_insn): Make it work outside the scheduler. Beautify the output
10116 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10118 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10120 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10121 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10122 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10123 depending on the value of CONSTANT_POOL_ADDRESS_P.
10124 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10126 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10127 rather than SYMBOL_REF_DECL.
10128 (rtx_constant_pool): Remove const_rtx_sym_htab.
10129 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10130 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10131 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10132 Remove handling of const_rtx_sym_htab.
10133 (find_pool_constant): Delete.
10134 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10135 rather than find_pool_constant.
10136 (get_pool_constant_for_function): Delete.
10137 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10138 find_pool_constant.
10139 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10140 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10141 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10142 (SYMBOL_REF_CONSTANT): New macro.
10143 (get_pool_constant_for_function): Delete.
10144 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10145 rather than SYMBOL_REF_DECL.
10146 (i386_pe_mark_dllimport): Likewise.
10147 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10148 rather than SYMBOL_REF_DECL.
10149 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10150 (machopic_indirect_call_target): Likewise.
10152 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10154 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10156 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10158 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10160 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10162 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10164 2006-01-24 David Daney <ddaney@avtrex.com>
10167 * configure.ac (enable_tls): New enable option.
10168 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10169 * configure: Regenerate.
10170 * doc/install.texi (--enable-tls): Document new option.
10171 (--disable-tls): Ditto.
10173 2006-01-24 Richard Henderson <rth@redehat.com>
10175 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10176 * alias.c (true_dependence): Respect it.
10177 (canon_true_dependence, write_dependence_p): Likewise.
10178 * builtins.c (get_builtin_sync_mem): Set it.
10180 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10182 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10185 2006-01-24 DJ Delorie <dj@redhat.com>
10187 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10188 for storing constants in single-bit bitfields.
10190 2006-01-25 Ben Elliston <bje@au.ibm.com>
10192 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10194 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10197 * tree-ssa-pre.c (phi_translate): Return NULL
10198 for AGGREGATE_TYPE's.
10200 2006-01-24 Zack Weinberg <zackw@panix.com>
10202 * genautomata.c (process_state_for_insn_equiv_partition):
10203 Use xcalloc for insn_arcs_array.
10204 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10205 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10207 2006-01-24 Richard Henderson <rth@redhat.com>
10209 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10210 update all callers.
10212 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10214 PR rtl-optimization/25890
10215 PR rtl-optimization/25905
10216 * combine.c (expand_compound_operation, expand_field_assignment):
10217 Fail if the bitfield's final position is out of bounds.
10219 2006-01-24 Ian Lance Taylor <ian@airs.com>
10221 PR middle-end/25930
10222 * cgraphunit.c (cgraph_output_in_order): Don't clear
10223 cgraph_asm_nodes until after asm strings have been output.
10225 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10227 * fix-header.c (read_scan_file): Add new parameter imultilib when
10228 calling register_include_chains.
10230 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10232 * omp-low.c: Update documentation.
10234 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10235 Daniel Berlin <dberlin@dberlin.org>
10239 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10240 return from the function.
10242 2006-01-22 Zack Weinberg <zackw@panix.com>
10244 * rtl.def (match_code): Add second argument.
10245 * genpreds.c (write_extract_subexp): New function.
10246 (write_match_code): Add path argument. Use write_extract_subexp.
10247 (write_predicate_expr): Pass path to write_match_code.
10248 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10249 not perform a mode test.
10250 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10251 a subexpression does not constrain the top-level code set.
10252 * read-rtl.c (read_rtx_variadic): New function.
10253 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10254 * doc/md.texi: Document new notation.
10255 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10256 (cmpsi_operand): ... here, using new notation.
10258 2006-01-22 Zack Weinberg <zackw@panix.com>
10260 * varray.c: Remove GENERATOR_FILE #ifdefs.
10262 2006-01-22 Zack Weinberg <zackw@panix.com>
10264 * genautomata.c (output_reserved_units_table): Emit nothing if
10265 description->query_units_num is zero. Remove extra blank line.
10266 (output_cpu_unit_reservation_p): Short circuit
10267 if description->query_units_num is zero.
10269 2006-01-22 Zack Weinberg <zackw@panix.com>
10271 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10272 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10273 nor any of the random handful of variables that used to be necessary
10274 when this program was linked with rtlanal.o. Prune set of forward
10275 function declarations.
10276 (struct attr_desc): Remove static_p field.
10277 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10278 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10279 (attr_string): Do not read the character one past the length of
10281 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10282 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10283 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10284 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10285 (make_automaton_attrs): New.
10286 (main): Do not call into genautomata. Call local gen_bypass
10287 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10288 Remove special case for insn_alts.
10289 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10290 varray.h (leftover from previous change). Prune set of forward
10291 function declarations. Remove state_alts fields from all
10292 structures. Remove state_alts_table from struct automaton.
10293 Make everything except main static. Do not maintain num_dfa_decls.
10294 Do not maintain state_alts fields of various structures.
10295 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10296 (add_arc): Remove state_alts argument. All callers updated.
10297 (output_reserved_units_table): Emit #ifdef here...
10298 (output_tables): ...not here. Don't generate state_alts tables.
10299 (expand_automata): Don't generate attributes.
10300 (write_automata): Don't generate state_alts functions.
10301 (main): New function.
10302 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10303 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10304 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10305 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10306 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10307 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10308 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10309 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10311 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10312 * genattrtab.h: Delete file.
10313 * Makefile.in (OBJS-common): Add insn-automata.o.
10314 (insn-automata.o): New rule.
10315 (simple_generated_c): Add insn-automata.c.
10316 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10317 (genprogmd): Add automata.
10318 (build/genattrtab): Needs no extra objects nor libraries.
10319 (build/genautomata): Needs build/vec.o and -lm.
10321 2006-01-22 Zack Weinberg <zackw@panix.com>
10323 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10324 (output_dfa_max_issue_rate, locked_states_num): Delete.
10325 (struct automaton): Add locked_states field.
10326 (output_dead_lock_vect): Save number of locked states in
10327 automaton->locked_states. If it is zero, don't print anything.
10328 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10329 (output_internal_dead_lock_func): Only test the dead_lock_vect
10330 for automata that have locked states.
10331 (output_statistics): Always print the number of locked states for
10332 each automaton. Calculate total number of locked states here.
10333 (write_automata): Don't call output_dfa_max_issue_rate.
10334 * genattrtab.c: Define length_unit_log as a const variable.
10335 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10336 max_insn_queue_index const.
10337 * final.c (length_unit_log): Declare const.
10338 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10340 2006-01-22 Zack Weinberg <zackw@panix.com>
10342 * genautomata.c: Include vec.h, not varray.h.
10343 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10344 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10345 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10346 VEC_* macros operating on appropriately typed vectors, or to
10347 malloced arrays when the size is known in advance. Const-ify
10348 many char* variables and function arguments. No functional changes.
10349 * Makefile.in (build/varray.o): Delete rule.
10350 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10351 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10353 2006-01-22 Zack Weinberg <zackw@panix.com>
10355 * gensupport.c: Define get_insn_name and record_insn_name here.
10356 (read_md_rtx): Call record_insn_name as appropriate.
10357 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10358 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10359 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10361 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10362 (BUILD_VARRAY): Delete.
10363 (genprognormal): Rename genprogmd. Fold in all programs from
10364 genprognoprint; also attrtab.
10365 (build/genattrtab): Just mention genautomata.o and varray.o.
10366 Reorganize a bit, add comments to make the categories clearer.
10368 2006-01-22 Zack Weinberg <zackw@panix.com>
10370 * genconditions.c (condition_table, add_condition): Delete.
10371 (write_conditions): Don't emit n_insn_conditions nor
10372 insn_elision_unavailable. Issue the gcc version #ifdef here,
10373 inside the table, with no #else clause ...
10374 (write_header): ...not here.
10375 (write_writer): New function.
10376 (main): Don't initialize condition_table. Use add_c_test.
10378 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10379 files on the command line.
10380 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10381 Return -1 if there is no entry in the table, don't abort.
10382 (add_c_test, traverse_c_tests): New functions.
10383 * gensupport.h (insn_elision_unavailable, insn_conditions)
10384 (n_insn_conditions): Delete declarations.
10385 (add_c_test, traverse_c_tests): Declare.
10386 * read-rtl.c: Include gensupport.h.
10387 (read_conditions): New function.
10388 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10389 (read_rtx_1): If we get EOF when we were looking for an initial
10390 open paren, return 0. Call read_conditions when appropriate.
10391 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10392 dummy-conditions.o. Eliminate references to insn-conditions.o,
10393 or change them to build/gencondmd.o, as appropriate. Remove
10394 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10395 from $(simple_generated_c). For all files remaining in those
10396 two lists, add insn-conditions.md to the generator command line.
10397 Give insn-constants.h/s-constants their own rules. Add rules
10398 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10399 (build/read-rtl.o): Depend on gensupport.h.
10400 (genprognormal): Include preds.
10401 (genprogearly): Rename genprognoprint; only difference is now that
10402 they don't link with $(BUILD_PRINT).
10403 * dummy-conditions.c: Delete.
10405 2006-01-22 Zack Weinberg <zackw@panix.com>
10407 * genextract.c: Don't include insn-config.h. Do include vec.h.
10408 Declare vectors of int, char, and locstr.
10409 (locstr): New typedef.
10410 (struct extraction): Make all array fields into bare pointers.
10411 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10412 (insn_code_number): Delete.
10413 (accum_extract): New struct.
10414 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10415 (gen_insn): Take insn_code_number as an argument. Use an
10416 accum_extract structure instead of loading data directly into
10417 a struct extraction, and having to know how big it might get.
10418 (walk_rtx): Operate entirely on an accum_extract structure.
10419 (print_path): Avoid unnecessary use of printf.
10420 (print_header): New function, split out of main. Distinguish
10421 more carefully between an unrecognizable insn and an insn that
10422 has the code number of a define_expand.
10423 (main): Pass insn_code_number to gen_insn. Call print_header
10424 only after parsing. Avoid unnecessary use of printf.
10425 * Makefile.in (build/vec.o): New rule.
10426 (build/genextract): Depend on build/vec.o.
10427 (build/genextract.o): Don't depend on insn-config.h.
10429 2006-01-22 Zack Weinberg <zackw@panix.com>
10431 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10432 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10433 practical. Eliminate per-generator-program link rules.
10435 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10437 PR middle-end/24437
10438 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10439 with a call expr to ...
10440 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10442 2006-01-23 Richard Guenther <rguenther@suse.de>
10444 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10445 before make_edge with conditional EDGE_TRUE_VALUE.
10447 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10448 Jan Hubicka <jh@suse.cz>
10449 Richard Guenther <rguenther@suse.de>
10451 PR rtl-optimization/25654
10452 * cfgexpand.c (aggregate_contains_union_type): New function.
10453 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10454 for structure variables that contain a union type.
10456 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10458 * gengtype.c (new_structure): Return the structure.
10459 (create_option): Add an extra "next" argument.
10460 (create_field): New function.
10461 (adjust_field_rtx_def): Use create_option and create_field.
10462 Remove a now-unnecessary call to find_structure.
10463 (adjust_field_tree_def): Likewise.
10464 (note_yacc_type): Remove an unnecessary call to find_structure.
10465 * gengtype.h (new_structure): Return the structure.
10466 (create_option): Add an extra argument.
10467 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10468 (option): Adjust calls to create_option.
10470 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10472 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10474 2006-01-22 Paul Brook <paul@codesourcery.com>
10475 Peter Barada <peter@the-baradas.com>
10477 * config/m68k/m68k.md: Add Coldfire FPU support.
10478 Define FP mode macro and associated attributes.
10479 Use it for float mode patterns.
10480 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10481 (LIBCALL_VALUE): Use m68k_libcall_value.
10482 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10483 (m68k_function_value): Ditto.
10484 (emit_move_sequence): Ditto.
10485 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10486 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10487 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10488 (MULTILIB_EXCEPTIONS): Ditto.
10489 * config/m68k/m68k.opt: Add mcfv4e.
10490 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10491 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10492 (m68k_output_function_prologue): Save ColdFire FPU registers.
10493 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10494 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10495 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10496 ColdFire FPU registers.
10497 (m68k_libcall_value, m68k_function_value): New functions.
10498 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10499 (LIBCALL_VALUE): Use m68k_libcall_value.
10500 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10501 (MASK_COLDFIRE): Add MASK_CFV4E.
10502 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10503 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10504 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10505 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10506 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10507 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10508 * doc/invoke.tex: Document -mcfv4e on m68k.
10510 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10512 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10515 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10518 * c-opts.c (c_common_handle_option): Don't include
10519 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10520 * doc/invoke.texi (C++ Dialect Options): Document that
10521 -Wnon-virtual-dtor is no longer included in -Wall.
10523 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10525 * gcov.c (print_version), gcov-dump.c (print_version),
10526 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10529 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10531 * df-scan.c (problem_SCAN): Added NULL reset function.
10532 (df_scan_reset_blocks): Added code to call reset block function
10533 (df_bb_refs_delete) Fixed comment.
10534 (df_insn_refs_delete): Made tolerant of deleting non existent info
10535 for dataflow problems that need to be reset.
10536 * df-core.c (df_set_blocks): Ditto.
10537 * df.h (struct df_problem): Added reset_fun.
10538 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10539 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10540 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10541 functions to clear out all references to def-use or use-def chains.
10543 2006-01-21 Ben Elliston <bje@au.ibm.com>
10545 * varasm.c (assemble_real): Initialise data array.
10547 2006-01-20 Paul Brook <paul@codesourcery.com>
10549 Merge from csl-arm-branch.
10550 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10551 * config/arm/arm.md (movdi): Force operands[1] to a register
10552 if we have a non-register source.
10553 (*arm_movdi, *movdf_soft_insn): Require that one of the
10554 operands be a register.
10555 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10556 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10558 2006-01-20 DJ Delorie <dj@redhat.com>
10560 * varasm.c (initializer_constant_valid_p): Allow pointers
10561 initialized from integer constants of lesser precision.
10562 (output_constant): Allow non-int-sized pointer modes to be
10563 initialized from integer constants.
10565 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10568 * cppdefault.h (struct default_include): Add multilib flag.
10569 * cppdefault.c (cpp_include_defaults): Set it.
10570 * c.opt (-imultilib): New option.
10571 * c-opts.c (imultilib): New.
10572 (c_common_handle_option): Handle -imultilib.
10573 (c_common_post_options): Likewise.
10574 * c-incpath.c (add_standard_paths, register_include_chains):
10576 * c-incpath.h (register_include_chains): Add extra parameter.
10577 * gcc.c (do_spec_1): Generate -imultilib option.
10578 (The Specs Language): Update %I description.
10579 (process_command): Update copyright notice.
10580 * doc/cppopts.texi (-imultilib): Document.
10581 * doc/invoke.texi (-imultilib): Include in option summary.
10582 (%I): Update specs documentation.
10584 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10586 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10588 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10590 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10593 2006-01-20 Richard Guenther <rguenther@suse.de>
10594 Steven Bosscher <stevenb.gcc@gmail.com>
10596 PR rtl-optimization/24626
10597 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10598 EDGE_TRUE_VALUE if in RTL mode.
10601 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10602 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10604 2006-01-20 Dirk Mueller <dmueller@suse.com>
10607 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10608 instead of a special NOP marker.
10609 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10610 NOP marker handling.
10611 * c-common.h (empty_body_warning): Add forward declaration.
10612 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10613 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10615 2006-01-20 Paul Brook <paul@codesourcery.com>
10617 * Makefile.in (lang_checks): Keep going if mkdir fails.
10619 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10621 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10622 be able to clean out basic block when not necessary.
10623 (df_scan_free): Fixed to properly delete information if df is
10624 unused before calling df_finish.
10625 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10626 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10628 (df_bb_refs_delete): New function.
10629 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10630 * df-core.c (df_set_blocks): Added code to properly clean out
10631 unused blocks if they are not part of the blocks to consider.
10632 Added additional null check.
10633 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10634 be able to clean out basic block when not necessary
10635 * df.h (df_free_bb_function): Ditto.
10636 (df_bb_refs_delete): New function.
10637 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10638 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10639 basic block parameter to be able to clean out basic block when not
10641 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10642 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10643 Fixed to properly delete information if df is unused before
10646 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10648 PR rtl-optimization/25799
10649 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10650 Corrected confluence operator to remove bits from op2 before oring
10651 with op1 rather than removing bits from op1.
10652 (df_ru_transfer_function): Corrected test on wrong bitmap which
10653 caused infinite loop. Both of these problems were introduced in
10654 the dataflow rewrite.
10656 2006-01-19 DJ Delorie <dj@redhat.com>
10658 * reload1.c (find_reload_regs): Note the details of reload
10659 failures in the dump file.
10660 (spill_failure): Likewise.
10662 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10664 * loop-iv.c: Include df.h and hashtab.h.
10665 (enum iv_grd_result): New enum.
10666 (DF_REF_IV, DF_REF_IV_SET): New macros.
10667 (struct biv_entry): New.
10668 (df, bivs): New global variables.
10669 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10670 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10672 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10673 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10674 analyzed_for_bivness_p, record_biv): New functions.
10675 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10676 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10677 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10679 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10681 (iv_number_of_iterations): Use new interface to iv analysis.
10682 * loop-unroll.c: Do not include varray.h.
10683 (analyze_iv_to_split_insn): Use new interface to iv
10685 * loop-unswitch.c (may_unswitch_on): Ditto.
10686 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10688 (df_bb_modify): Realloc tables to the new index.
10689 (df_find_use): New function.
10690 * df.h (df_find_use): Declare.
10691 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10693 * cfgloop.h (struct rtx_iv): Remove analysed field.
10694 (iv_get_reaching_def): Removed.
10695 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10696 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10697 (loop-iv.o): Add df.h and hashtab.h dependency.
10698 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10700 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10703 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10705 (__floatundisf, __floatundidf): Likewise.
10706 * libgcc2.h (IS_IBM_EXTENDED): Define.
10708 2006-01-19 DJ Delorie <dj@redhat.com>
10710 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10712 2006-01-19 Paul Brook <paul@codesourcery.com>
10714 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10715 as nothrow when unwinding tables are disabled.
10717 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10720 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10721 of bit-field" when in system header.
10723 2006-01-19 DJ Delorie <dj@redhat.com>
10725 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10726 the 16 bit shift limit of the m16c.
10728 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10731 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10732 * config/i386/i386.c (output_set_got): Output the label if we have one
10733 for the TARGET_DEEP_BRANCH_PREDICTION case.
10735 2006-01-19 Jan Hubicka <jh@suse.cz>
10736 H.J. Lu <hongjiu.lu@intel.com>
10737 Evandro Menezes <evandro.menezes@amd.com>
10739 * invoke.texi (generic): Document
10741 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10742 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10743 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10744 (x86_use_incdec, x86_pad_returns): New variables
10745 (TARGET_CPU_DEFAULT_generic): New constant
10746 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10747 (enum processor_type): Add generic32 and generic64.
10748 * i386.md (cpu attribute): Add generic32/generic64
10749 (movhi splitter): Behave sanely when both partial_reg_dependency and
10750 partial_reg_stall are set.
10751 (K8 splitters): Enable for generic as well.
10752 * predicates.md (incdec_operand): Use TARGET_INCDEC
10753 (aligned_operand): Avoid memory mismatch stalls.
10754 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10755 * ppro.md: Enable for generic32
10756 * i386.c (generic64_cost, generic32_cost): New.
10757 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10758 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10759 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10760 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10761 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10762 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10763 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10764 x86_accumulate_outgoing_args, x86_prologue_using_move,
10765 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10766 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10767 Enable for generic.
10768 (x86_use_incdec, x86_pad_returns): New.
10769 (override_options): Add generic32 and generic64, translate "generic"
10770 to generic32/generic64 and "i686" to "generic32", refuse
10771 "generic32"/"generic64" as arch target.
10772 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10773 (ix86_reorg): Honor PAD_RETURNS.
10775 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10777 * tree-pretty-print.c (dump_generic_node): Handle
10778 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10779 * cgraph.c (cgraph_expand_queue): Rename from
10780 cgraph_analyze_queue. Update all users.
10781 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10782 cgraph_expand_queue.
10783 (cgraph_expand_all_functions): Likewise.
10784 (cgraph_finalize_pending_functions): Remove. Update callers.
10786 * tree.h (OMP_DIRECTIVE_P): Define.
10787 (OMP_PARALLEL_FN): Define.
10788 (OMP_PARALLEL_DATA_ARG): Define.
10789 (OMP_SECTIONS_SECTIONS): Define.
10790 * tree-pass.h (pass_expand_omp): Declare.
10791 * omp-low.c (struct omp_region): Declare.
10792 (struct omp_context): Remove fields 'parallel_type',
10793 'parallel_start_ix' and 'parallel_start_additional_args'.
10795 (struct omp_for_data): Rename from struct expand_omp_for_data.
10796 (omp_regions): New static variable.
10797 (root_omp_region): New static variable.
10798 (find_omp_clause): Make static.
10799 (is_in_combined_parallel_ctx): Remove.
10800 (is_combined_parallel): New.
10801 (extract_omp_for_data): Move earlier in the file.
10802 (workshare_safe_to_combine_p): New.
10803 (get_ws_args_for): New.
10804 (determine_parallel_type): Move earlier in the file.
10805 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10807 (omp_copy_decl): Likewise.
10808 (create_omp_child_function): Likewise.
10809 (lookup_omp_region): New.
10810 (dump_omp_region): New.
10811 (debug_omp_region): New.
10812 (debug_all_omp_regions): New.
10813 (new_omp_region): New.
10814 (scan_omp_parallel): If parallel_nesting_level > 1, the
10815 directive is nested within another parallel directive.
10816 Set OMP_PARALLEL_FN.
10817 (scan_omp_for): Do not try to handle combined parallel+for
10819 Remove FIXME comment.
10820 (scan_omp_nested): Remove.
10821 (scan_omp_1): Do not call scan_omp_nested when
10822 parallel_nesting_level is > 1.
10823 Do not change the DECL_CONTEXT of local variables found.
10824 (lookup_decl_in_outer_ctx): New.
10825 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10826 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10827 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10828 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10829 If CTX is nested, lookup VAR in the outer context when
10830 building copy assignment.
10831 (lower_send_clauses): Rename from expand_send_clauses.
10832 If CTX is nested, lookup VAR in the outer context when
10833 building copy assignments.
10834 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10835 If CTX is nested, lookup VAR in the outer context when
10836 building copy assignments.
10837 (expand_parallel_call): Rename from build_parallel_call.
10838 Handle combined parallel+workshare cases.
10839 Re-implement to emit code into the CFG.
10841 (expand_omp_parallel): Re-implement to emit code into the CFG.
10842 Call move_sese_region_to_fn to outline the sub-graph
10843 containing the parallel region.
10844 (expand_omp_for_1): Remove.
10845 (expand_omp_for_generic): Re-implement to emit code into the
10847 (expand_omp_for_static_nochunk): Likewise.
10848 (expand_omp_for_static_chunk): Likewise.
10849 (expand_omp_for): Likewise.
10850 (expand_omp_sections): Likewise.
10851 (remove_exit_barriers): New.
10852 (expand_omp_synch): New.
10854 (build_omp_regions_1): New.
10855 (build_omp_regions): New.
10856 (execute_expand_omp): New.
10857 (gate_expand_omp): New.
10858 (pass_expand_omp): Define.
10859 (lower_omp_sections): Rename from expand_omp_sections.
10860 Set OMP_SECTIONS_SECTIONS.
10861 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10862 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10863 (lower_omp_single): Rename from expand_omp_simple.
10864 (lower_omp_master): Rename from expand_omp_master.
10865 (lower_omp_ordered): Rename from expand_omp_ordered.
10866 (lower_omp_critical): Rename from expand_omp_critical.
10867 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10868 (lower_omp_for): Re-implement.
10869 (lower_omp_parallel): Re-implement.
10870 (lower_regimplify): Rename from expand_regimplify.
10871 (lower_omp_1): Rename from expand_omp_1.
10872 If there are syntax errors in the program, replace every
10873 OpenMP directive with NOP.
10874 Call lower_omp_* instead of expand_omp_*.
10875 (lower_omp): Rename from expand_omp.
10877 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10878 * tree-gimple.h (enum omp_parallel_type): Remove.
10879 (gimple_boolify): Declare extern.
10880 (find_omp_clause, determine_parallel_type): Remove.
10882 * gimple-low.c (lower_omp_directive): New.
10883 (lower_stmt): Call it.
10884 (record_vars_into): Move from ...
10885 (record_vars): ... here.
10886 Call record_vars_into with current_function_decl.
10888 * gimplify.c (struct gimplify_ctx): Remove fields
10889 combined_pre_p and combined_ctxp. Update users.
10890 (get_formal_tmp_var): Add documentation.
10891 (gimple_boolify): Make extern.
10892 (gimplify_expr_in_ctx): Remove. Update callers.
10893 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10894 will always be a BIND_EXPR.
10895 (gimplify_expr): Handle OMP_RETURN_EXPR.
10896 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10897 (OMP_PARALLEL): Add 3 operands.
10898 (OMP_SECTIONS): Add 1 operand.
10899 (OMP_RETURN_EXPR): Define.
10901 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10902 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10903 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10904 creating a circular free list.
10905 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10907 * tree-flow.h (move_sese_region_to_fn): Declare.
10908 (record_vars_into): Declare.
10909 * tree-cfg.c (make_omp_sections_edges): New.
10910 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10911 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10912 OMP_SECTIONS and OMP_SECTION.
10913 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10914 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10915 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10916 (gather_blocks_in_sese_region): New.
10917 (struct move_stmt_d): Declare.
10918 (move_stmt_r): New.
10919 (move_block_to_fn): New.
10920 (move_sese_region_to_fn): New.
10922 * passes.c (init_optimization_passes): Schedule
10923 pass_expand_omp after pass_init_datastructures.
10925 * tree-ssa-operands.c (get_expr_operands): Handle
10926 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10927 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10929 2006-01-19 Jeff Law <law@redhat.com>
10931 * tree-vrp.c (extract_range_from_assert): Refine the result range
10932 if the variable referenced by the ASSERT_EXPR has a range and
10933 either the tentative result range or the previous range is a
10936 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10938 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10940 2006-01-19 Jan Hubicka <jh@suse.cz>
10942 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10944 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10946 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10947 (expand_compound_operation, expand_field_assignment): Fail if the
10948 bit lengths of an extract operation are out of range.
10949 (make_extraction): Compute wanted_inner_mode based on the position
10950 and length of the extraction. Make it extraction_mode for non-constant
10951 positions, and do not modify offset in that case. When generating a
10952 new MEM, use a mode that can hold the extraction while keeping correct
10953 alignment. Remove code that supported MEMs wrapped by USEs.
10954 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10956 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10958 * config/s390/s390.md ("Y", "y"): New mode attribute.
10959 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10960 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10961 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10962 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10963 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10964 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10965 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10966 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10967 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10968 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10969 "addsi3", "subsi3"): Insn patterns removed.
10970 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10971 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10972 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10973 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10974 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10975 "*sub<mode>3_cconly2"): New insn patterns.
10976 ("addsi3", "subsi3"): New expanders.
10978 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10980 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10981 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10982 existing STMT_VINFO_VECTYPE if available.
10983 (vect_mark_relevant): Add special handling for stmts that are
10984 marked as STMT_VINFO_IN_PATTERN_P.
10985 (vect_analyze_loop): Call vect_pattern_recog.
10986 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10987 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10989 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10990 (vect_recog_func_ptr): New function-pointer type.
10991 * tree-vect-patterns.c: New file.
10992 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10993 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10994 (vect_pattern_recog_1): New functions.
10995 (vect_pattern_recog_funcs): New array of function pointers.
10997 * tree-vectorizer.h (ternary_op): New enum value.
10998 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10999 declaration. Revised documentation. Removed redundant dump prints.
11000 Removed redundant argument. Added support for reduction patterns.
11001 (vectorizable_reduction): Added support for reduction patterns.
11002 (vect_transform_stmt): Added support for patterns.
11004 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11005 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11006 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11007 (expand_widen_pattern_expr): New function.
11008 (init_optabs): Initialize new optabs udot_prod_optab,
11010 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11011 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11012 (expand_widen_pattern_expr): New function declaration.
11013 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11015 * tree-inline.c (estimate_num_insns_1): Added cases for new
11016 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11017 * tree-pretty-print.c (dump_generic_node): Likewise.
11018 (op_prio): Likewise.
11019 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11020 * tree-ssa-operands.c (get_expr_operands): Added case for
11022 * tree-vect-patterns.c (widened_name_p): New function.
11023 (vect_recog_dot_prod_pattern): Added function implementation.
11024 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11025 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11026 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11027 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11029 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11030 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11031 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11032 (init_optabs): Initialize new optabs widen_ssum_optab,
11034 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11035 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11036 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11037 use instead of type of def.
11038 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11039 function implementation.
11040 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11041 widen_ssumv8hi): New.
11043 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11046 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11049 * c-decl.c (add_flexible_array_elts_to_size): New function.
11050 (finish_decl): Use it.
11052 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11054 * diagnostic.h: Include options.h.
11055 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11056 dependancies for diagnostic.h.
11057 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11059 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11061 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11062 (ssa_ro_call_cache_valid): Ditto.
11063 * tree-ssa-alias.c (sort_tags_by_id): New function.
11064 (init_transitive_clobber_worklist): Ditto.
11065 (add_to_worklist): Ditto.
11066 (mark_aliases_call_clobbered): Ditto.
11067 (compute_tag_properties): Ditto.
11068 (set_initial_properties): Ditto.
11069 (compute_call_clobbered): Ditto.
11070 (compute_may_aliases): Call compute_call_clobbered and grouping.
11071 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11072 (compute_flow_insensitive_aliasing): Grouping now happens in our
11074 (setup_pointers_and_addressables): Remove clobbering related code.
11075 (add_may_alias): Ditto.
11076 (replace_may_alias): Ditto.
11077 (get_nmt_for): Ditto.
11078 (create_global_var):
11079 (is_escape_site): Return an escape_type enumeration.
11080 * tree-flow-inline.h (is_call_clobbered): Global var does not
11081 imply call clobbered.
11082 (mark_call_clobbered): Take a reason for marking this. Remove
11083 marking of globalness, and cache invalidation.
11084 (clear_call_clobbered): Remove cache invalidation code.
11085 * tree-dfa.c (dump_variable): If details is on, dump the reason
11087 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11089 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11090 (struct var_ann_d): Ditto.
11091 (enum escape_type): New.
11092 (mark_call_clobbered): Adjust prototype.
11093 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11094 are never call clobbered.
11095 Record reasons for escaping.
11096 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11097 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11098 (ssa_ro_call_cache_valid): Ditto.
11099 (clobbered_v_may_defs): Ditto.
11100 (clobbered_vuses): Ditto.
11101 (ro_call_vuses): Ditto.
11102 (clobber_stats): New.
11103 (init_ssa_operands): Zero out clobber stats.
11104 (fini_ssa_operands): Print out clobber stats.
11105 (get_call_expr_operands): Pass callee fndecl to
11106 add_call_read_ops).
11107 (add_call_clobber_ops): Remove use of cache.
11108 Add use of PURE_CONST information.
11109 (add_call_read_ops): Remove use of cache.
11110 Add use of static not_read information.
11112 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11114 Introduce TLS descriptors for i386 and x86_64.
11115 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11116 (TARGET_ANY_GNU_TLS): New macro.
11117 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11118 (struct machine_function): Add tls_descriptor_call_expanded_p.
11119 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11120 (ix86_current_function_calls_tls_descriptor): Likewise.
11121 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11122 (override_options): Introduce gnu2 tls dialect.
11123 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11125 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11127 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11128 (ix86_init_machine_status): Initialize new field.
11129 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11130 (ix86_tls_module_base): New.
11131 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11132 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11133 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11134 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11135 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11136 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11137 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11138 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11139 * config/i386/predicates.md (tls_modbase_operand): New.
11140 (tp_or_register_operand): New.
11142 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11144 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11145 (look_for_address_of): Ditto.
11146 (ipa_init): Walk the function decls.
11147 (static_execute): Don't set readonly on FUNCTION_DECL's.
11149 2006-01-18 Roger Sayle <roger@eyesopen.com>
11151 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11152 for shifts where the source and destination registers are different.
11154 2006-01-18 Paul Brook <paul@codesourcery.com>
11156 Merge from csl-arm-branch.
11157 2005-03-14 Julian Brown <julian@codesourcery.com>
11158 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11159 (aeabi_llsl): Likewise.
11160 (ashrdi3): Likewise.
11161 (aeabi_lasr): Likewise.
11162 (lshrdi3): Likewise.
11163 (aeabi_llsr): Likewise.
11164 2005-03-10 Julian Brown <julian@codesourcery.com>
11165 * config.gcc: Disable shared libgcc for SymbianOS.
11166 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11168 2006-01-18 DJ Delorie <dj@redhat.com>
11170 * c-pragma.c (handle_pragma_diagnostic): New.
11171 (init_pragma): Register it.
11172 * doc/extend.texi: Document it.
11174 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11175 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11176 (diagnostic_context): Add classify_diagnostic[].
11177 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11178 as errors if they're overridden to DK_WARNING.
11179 (diagnostic_initialize): Initialize classify_diagnostic[].
11180 (diagnostic_set_kind_override): New.
11181 (diagnostic_report_diagnostic): Check for kind changes.
11182 * opts.c (common_handle_option): Take lang_mask. Update callers.
11183 Handle OPT_Werror_.
11184 * common.opt (Werror=): New.
11185 * doc/invoke.texi: Document -Werror=*
11187 2006-01-18 Jeff Law <law@redhat.com>
11189 * tree-vrp.c (test_for_singularity): Correct test for new
11190 min limit. Use operand_equal_p rather than pointer equality
11191 for testing if new min/max values are equal.
11193 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11194 using range information until after propagation and folding.
11196 2006-01-18 Richard Henderson <rth@redhat.com>
11197 Aldy Hernandez <aldyh@redhat.com>
11198 Jakub Jelinek <jakub@redhat.com>
11199 Diego Novillo <dnovillo@redhat.com>
11201 * omp-low.c: New file.
11202 * c-omp.c: New file.
11204 2006-01-18 Richard Henderson <rth@redhat.com>
11205 Jakub Jelinek <jakub@redhat.com>
11206 Diego Novillo <dnovillo@redhat.com>
11208 * doc/invoke.texi: Document -fopenmp.
11209 * tree-dump.h (debug_function): Declare.
11210 * hooks.c (hook_bool_tree_bool_false): New function.
11211 (hook_tree_tree_null): Remove.
11212 (hook_tree_tree_tree_null): New.
11213 * hooks.h: Update to match.
11214 * tree-pretty-print.c (debug_tree_chain): New.
11215 (print_generic_expr): Handle TDF_CHAIN.
11216 (dump_generic_node): Handle BLOCK.
11217 Do not abort with incomplete SWITCH_EXPRs.
11218 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11219 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11220 print space after directive name.
11221 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11222 Handle OMP_MASTER and OMP_ORDERED.
11223 Handle printing of OMP_BODY just in one place, goto
11224 dump_omp_body in the rest of OMP_* nodes that have
11226 Don't handle clause nodes here. Update omp statements to
11227 use dump_omp_clauses.
11228 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11229 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11230 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11231 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11232 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11233 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11234 Adjust output for GOMP_PARALLEL.
11235 (dump_omp_clauses): New.
11236 (print_declaration): Dump DECL_VALUE_EXPR.
11237 (op_symbol_1): Split out of op_symbol.
11238 (dumping_stmts): Remove. Update all users.
11239 * cgraph.c (cgraph_analyze_queue): New.
11240 (cgraph_add_new_function): New.
11241 * cgraph.h (cgraph_analyze_queue): Declare.
11242 (cgraph_add_new_function): Declare.
11243 (cgraph_lower_function): Remove.
11244 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11245 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11246 and TYPE_P nodes in its default clause.
11247 (empty_body_p): New.
11248 (tree_range_check_failed): New.
11249 (build5_stat): New.
11250 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11251 OMP_CLAUSE_REDUCTION_MERGE,
11252 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11253 OMP_CLAUSE_PRIVATE_DEBUG,
11254 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11255 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11256 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11257 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11258 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11259 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11260 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11261 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11262 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11263 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11264 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11265 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11266 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11267 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11268 (TREE_RANGE_CHECK): New.
11269 (empty_body_p): Declare.
11270 (enum omp_clause_default_kind): New.
11271 (build_string_literal): Declare.
11272 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11273 (build5_stat, build5): Declare.
11274 * tree-pass.h (TDF_CHAIN): Define.
11275 * tree-pass.h (PROP_gimple_lomp): Define.
11276 (pass_lower_omp): Declare.
11277 * diagnostic.h (debug_tree_chain): Declare.
11278 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11280 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11281 * builtins.c (build_string_literal): Make extern.
11282 * gcc.c (include_spec_function): New.
11283 (static_spec_functions): Add it.
11284 (main): Move load of libgomp.spec ...
11285 (LINK_COMMAND_SPEC): ... here.
11286 (link_gomp_spec): New.
11287 (static_specs): Include it.
11288 (LINK_COMMAND_SPEC): Add link_gomp.
11289 (GOMP_SELF_SPECS): New.
11290 (driver_self_specs): Include it.
11291 (switch_matches): Don't mark inline.
11292 (main): Load libgomp.spec.
11293 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11294 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11295 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11296 * tree-gimple.h (enum omp_parallel): Declare.
11297 (determine_parallel_type): Declare.
11298 (omp_firstprivatize_variable): Declare.
11299 (omp_reduction_init): Declare.
11300 (diagnose_omp_structured_block_errors): Declare.
11301 (struct walk_stmt_info): Add want_return_expr.
11302 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11303 (find_omp_clause): Declare.
11304 (insert_field_into_struct): Declare.
11305 (struct walk_stmt_info): Move from tree-nested.c
11306 (walk_stmts): Declare.
11307 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11309 * cgraphunit.c (cgraph_lower_function): Make static.
11310 (cgraph_finalize_pending_functions): New.
11311 (cgraph_finalize_function): Call it.
11312 (cgraph_finalize_compilation_unit): Likewise.
11313 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11314 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11315 (BT_FN_UINT_UINT): New.
11316 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11317 DEF_FUNCTION_TYPE_VAR_4): Document.
11318 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11319 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11320 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11321 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11322 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11323 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11324 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11325 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11326 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11327 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11328 into separate files.
11329 (DEF_GOMP_BUILTIN): New.
11330 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11331 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11332 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11333 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11334 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11335 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11336 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11337 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11338 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11339 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11340 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11341 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11342 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11343 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11344 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11345 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11346 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11347 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11348 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11349 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11350 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11351 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11352 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11353 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11354 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11355 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11356 * sync-builtins.def: New file, moved from builtins.def.
11357 * omp-builtins.def: New file, moved from builtins.def.
11358 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11359 * gimple-low.c (lower_function_body): Clear data.
11360 (lower_stmt): Do not handle COMPOUND_EXPR.
11361 Remove call to print_node_brief.
11362 * c-tree.h (c_finish_omp_clauses): New prototype.
11363 (C_DECL_THREADPRIVATE_P): Define.
11364 (lookup_name_no_remap, c_omp_remap_private): Remove
11365 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11366 (check_for_loop_decls): Update decl.
11367 (lookup_name_no_remap, c_omp_remap_private): Declare.
11368 (build_indirect_ref, build_modify_expr, pushdecl,
11369 pushdecl_top_level): Move to c-common.h.
11370 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11371 before the switch, but just in the 2 places that need it.
11372 * c-decl.c (diagnose_mismatched_decls): Do not check for
11373 mismatched thread-local attributes when OLDDECL is marked
11374 threadprivate and NEWDECL has no thread-local attributes.
11375 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11376 (c_gimple_diagnostics_recursively): Rename from
11377 c_warn_unused_result_recursively. Invoke
11378 diagnose_omp_structured_block_errors.
11379 (check_for_loop_decls): Return a singular decl found.
11380 * langhooks.c (lhd_omp_predetermined_sharing): Return
11381 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11382 (lhd_omp_firstprivatize_type_sizes): New.
11383 (lhd_omp_assignment): New.
11384 (lhd_omp_predetermined_sharing): New.
11385 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11386 (struct lang_hooks_for_types): Add
11387 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11388 omp_predetermined_sharing, omp_disregard_value_expr,
11389 omp_private_debug_clause, omp_clause_default_ctor,
11390 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11391 (c_finish_omp_clauses): New.
11392 (c_finish_bc_stmt): Diagnose break within omp for.
11393 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11394 (build_unary_op): Return error_mark after reporting
11396 (build_modify_expr): Likewise.
11397 * gimplify.c: Include optabs.h and pointer-set.h.
11398 (enum gimplify_omp_var_data): Declare.
11399 (struct gimplify_omp_ctx): Declare.
11400 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11402 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11403 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11404 (splay_tree_compare_decl_uid): New.
11405 (new_omp_context): New.
11406 (delete_omp_context): New.
11407 (gimple_add_tmp_var): Call omp_add_variable.
11408 (gimplify_bind_expr): Likewise.
11409 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11410 true, disregard DECL_VALUE_EXPR on the decl if any.
11411 (gimplify_expr_in_ctx): New.
11412 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11413 omp_add_variable, omp_notice_variable, omp_is_private
11414 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11415 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11416 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11417 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11418 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11419 gimplify_omp_atomic): New.
11420 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11421 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11422 OMP_CRITICAL and OMP_ATOMIC.
11423 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11424 * c-pragma.h (enum pragma_kind): Add
11425 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11426 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11427 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11428 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11429 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11430 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11431 PRAGMA_OMP_THREADPRIVATE.
11432 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11433 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11434 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11435 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11436 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11437 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11438 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11439 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11440 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11441 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11442 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11443 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11444 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11446 (struct nesting_info): Add field_map,
11447 suppress_expansion, debug_var_chain.
11448 (create_nesting_tree): Initialize them.
11449 (lookup_field_for_decl): Use field_map.
11450 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11451 (convert_local_omp_clauses): New.
11452 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11453 (walk_body): Split out of walk_function.
11454 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11455 (convert_nonlocal_reference): Handle omp statements.
11456 (convert_local_reference): Likewise.
11457 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11458 (unnest_nesting_tree): New.
11459 (lower_nested_functions): Call it.
11460 (insert_field_into_struct): Make extern.
11461 (struct walk_stmt_info): Move to tree-gimple.h.
11462 (walk_stmts): Make extern.
11463 * omp-builtins.def: New file.
11464 * tree-iterator.c (expr_only): Clarify comment.
11465 * c-common.h (pushdecl_top_level, pushdecl,
11466 build_modify_expr, build_indirect_ref,
11467 c_finish_omp_master, c_finish_omp_critical,
11468 c_finish_omp_ordered, c_finish_omp_barrier,
11469 c_finish_omp_atomic, c_finish_omp_flush,
11470 c_finish_omp_for, c_split_parallel_clauses,
11471 omp_clause_default_kind, c_omp_sharing_predetermined,
11472 c_omp_remap_decl): Declare.
11473 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11474 (OBJS-common): Add omp-low.o.
11475 (c-omp.o, omp-low.o): Add.
11476 (gimplify.o): Add dependency on $(OPTABS_H).
11477 (GTFILES): Add omp-low.c.
11478 (gt-stringpool.h): Add.
11479 * tree-cfg.c (set_bb_for_stmt): Do not update the
11480 block-to-labels map if we are currently expanding to RTL.
11481 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11483 Handle IDENTIFIER_NODE.
11484 (tree_verify_flow_info): Do not ICE when emitting error
11485 messages about invalid labels.
11486 (dump_function_to_file): Reset CFUN before emitting the body
11488 (debug_function): New.
11489 * passes.c (init_optimization_passes): Schedule
11491 * langhooks-def.h (lhd_omp_predetermined_sharing,
11492 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11494 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11495 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11496 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11497 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11498 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11499 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11500 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11501 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11502 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11503 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11504 (LANG_HOOK_DECLS): Use them.
11506 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11507 Richard Henderson <rth@redhat.com>
11508 Jakub Jelinek <jakub@redhat.com>
11509 Diego Novillo <dnovillo@redhat.com>
11511 * c-parser.c (pragma_omp_clause): Define.
11512 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11513 (c_parser_compound_statement): Likewise.
11514 (c_parser_statement): Likewise.
11515 (c_parser_pragma): Handle omp pragmas.
11516 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11517 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11518 (c_parser_omp_clause_name, check_no_duplicate_clause,
11519 c_parser_omp_variable_list,
11520 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11521 c_parser_omp_clause_copyprivate,
11522 c_parser_omp_clause_default,
11523 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11524 c_parser_omp_clause_lastprivate,
11525 c_parser_omp_clause_nowait,
11526 c_parser_omp_clause_num_threads,
11527 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11528 c_parser_omp_clause_reduction,
11529 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11530 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11531 c_parser_omp_atomic, c_parser_omp_barrier,
11532 c_parser_omp_critical, c_parser_omp_flush,
11533 c_parser_omp_for_loop, c_parser_omp_for,
11534 c_parser_omp_master, c_parser_omp_ordered,
11535 c_parser_omp_sections_scope, c_parser_omp_sections,
11536 c_parser_omp_parallel, c_parser_omp_single,
11537 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11538 * c-pragma.c (init_pragma): Do omp pragma registration here.
11539 * c.opt (fopenmp): New flag.
11541 2006-01-18 Eric Christopher <echristo@apple.com>
11543 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11544 * config/darwin.h (GOMP_SELF_SPECS): Define.
11546 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11548 * rtl.h: Remove the prototype for reg_alloc.
11550 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11553 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11554 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11555 sjlj and dwarf2 exception handling.
11556 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11557 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11558 * pa/pa.c (function_value): Treat complex and vector types as
11560 (function_arg): Likewise. Only pass scalar floats in the floating
11561 point argument registers.
11562 * pa/t-slibgcc-dwarf-ver: New file.
11563 * pa/t-slibgcc-sjlj-ver: New file.
11564 * pa/t-slibgcc-elf-ver: Delete file.
11566 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11568 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11569 unlikely_test_section_p test.
11571 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11573 * mode-switching.c (optimize_mode_switching): Make it static.
11574 * basic-block.h: Remove the prototype for
11575 optimize_mode_switching.
11577 * modulo-sched.c (sms_schedule): Make it static.
11578 * rtl.h: Remove the prototype for sms_schedule.
11580 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11581 * rtl.h: Remove the prototype for gcse_after_reload_main.
11583 * reg-stack.c (reg_to_stack): Make it static.
11584 * rtl.h: Remove the prototype for reg_to_stack.
11586 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11588 * rtl.h: Remove the prototypes for regrename_optimize and
11589 copyprop_hardreg_forward.
11591 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11593 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11594 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11595 Test against the appropriate null constant for the mode.
11596 If 'fixup_overlap' is true, swap the operands if they overlap.
11597 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11598 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11599 alpha_split_tmode_pair and adjust for above change.
11600 * config/alpha/alpha.md (movtf_internal): Adjust call to
11601 alpha_split_tfmode_pair and rely on it to swap the operands.
11602 (movti_internal): New insn and post-reload splitter.
11603 (movti): New expander.
11605 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11607 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11610 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11612 * rtlanal.c (global_reg_mentioned_p_1,
11613 global_reg_mentioned_p): Remove.
11614 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11616 * flow.c (initialize_uninitialized_subregs): Make it static.
11617 * rtl.h: Remove the prototype for
11618 initialize_uninitialized_subregs.
11620 * function.c (instantiate_virtual_regs): Make it static.
11621 * function.h: Remove the prototype for
11622 instantiate_virtual_regs.
11624 * regmove.c (regmove_optimize, combine_stack_adjustments):
11626 * rtl.h: Remove the prototypes for regmove_optimize and
11627 combine_stack_adjustments.
11629 2006-01-17 Roger Sayle <roger@eyesopen.com>
11631 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11632 (size_cost): Encode costs in bytes so that a reg-reg addition is
11633 equivalent to COSTS_N_INSNS(1).
11634 (override_options): Use the size_cost.branch_cost as the default
11635 ix86_branch_cost when optimizing for size.
11637 2006-01-18 Ben Elliston <bje@au.ibm.com>
11639 * Makefile.in (D32PBIT_FUNCS): New.
11640 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11641 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11642 D64PBIT_FUNCS and D128PBIT_FUNCS.
11643 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11644 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11646 (decnumber_dep): Define.
11647 * doc/libgcc.texi (Decimal float library routines): New node.
11648 * config/dfp-bit.h, config/dfp-bit.c: New files.
11650 2006-01-18 Ben Elliston <bje@au.ibm.com>
11652 * expr.c (emit_move_change_mode): Always adjust addresses, not
11653 just during reload. Copy replacements only during reload.
11654 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11655 emit_move_via_integer.
11657 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11659 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11660 instead of $(srcdir) and ${srcdir}.
11662 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11665 PR middle-end/11135
11666 * arm.h (struct machine_function): Add pic_reg.
11667 * arm.c (arm_pic_register): Make unsigned.
11668 (arm_override_options): Only set arm_pic_register if
11669 TARGET_SINGLE_PIC_BASE.
11670 (use_return_insn): Only test for a pic register if it is fixed.
11671 (arm_compute_save_reg0_reg12_mask): Likewise.
11672 (thumb_compute_save_reg_mask): Likewise.
11673 (legitimate_pic_operand): Factor out some known invariants.
11674 (legitimize_pic_address): If we don't have a fixed pic register,
11675 then set up a pseudo in the function entry sequence. Handle the
11676 pic base being in a pseudo.
11677 (arm_load_pic_register): Handle the pic register being in a pseudo.
11678 (arm_expand_prologue): Only set up the pic register if it is fixed.
11679 (thumb_expand_prologue): Likewise.
11680 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11681 (pic_load_addr_based_insn): Likewise.
11682 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11685 2006-01-18 Ben Elliston <bje@au.ibm.com>
11687 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11688 decimal float modes for all floating point registers.
11690 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11691 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11693 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11696 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11697 even when the pointer is not NULL.
11699 2006-01-16 Ian Lance Taylor <ian@airs.com>
11701 * common.opt (ftoplevel-reorder): New option.
11702 * cgraph.c (cgraph_asm_nodes): New global variable.
11703 (cgraph_asm_last_node): New static variable.
11704 (cgraph_order): New global variable.
11705 (cgraph_create_node): Set new order field.
11706 (cgraph_varpool_node): Likewise.
11707 (decide_is_variable_needed): Return true if not
11708 flag_toplevel_reorder.
11709 (cgraph_add_asm_node): New function.
11710 * cgraph.h (struct cgraph_node): Add order field.
11711 (struct cgraph_varpool_node): Add order field.
11712 (struct cgraph_asm_node): Define.
11713 (cgraph_asm_nodes, cgraph_order): Declare.
11714 (cgraph_add_asm_node): Declare.
11715 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11717 (cgraph_varpool_assemble_pending_decls): Call it.
11718 (cgraph_output_pending_asms): New static function.
11719 (cgraph_finalize_compilation_unit): Call it.
11720 (struct cgraph_order_sort): Define.
11721 (cgraph_output_in_order): New static function.
11722 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11723 !flag_toplevel_reorder case.
11724 * c-parser.c: Include "cgraph.h".
11725 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11727 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11728 than -fno-unit-at-a-time.
11729 * doc/invoke.texi (Option Summary): Mention
11730 -fno-toplevel-reorder.
11731 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11732 -funit-at-a-time documentation.
11734 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11735 Kazu Hirata <kazu@codesourcery.com>
11737 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11739 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11741 * Makefile.in (FUNCTION_H): New. Use it instead of
11742 function.h throughout the file.
11743 * function.h: Include tree.h.
11745 2006-01-17 Ben Elliston <bje@au.ibm.com>
11747 * recog.c: Separate some functions with whitespace.
11749 2006-01-16 Richard Henderson <rth@redhat.com>
11751 Merge from gomp branch:
11752 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11753 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11754 and rename from struct inline_data. Rename callee* to dst*;
11755 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11756 transform_new_cfg, transform_return_to_modify, and
11757 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11759 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11760 (copy_decl_for_dup): Remove.
11761 * tree-inline.c (struct inline_data): Move to header.
11762 (insert_decl_map): Export.
11763 (remap_decl): Update for member name changes. Use copy_decl hook.
11764 Allow for replacement to be a non-decl. Remove dead code.
11765 (remap_type_1): Check for existing mapping.
11766 (remap_type): Export.
11767 (remap_decls): Update for member name changes.
11768 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11769 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11770 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11771 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11772 (tree_function_versioning, build_duplicate_type): Likewise.
11773 (copy_body_r): Likewise. Export.
11774 (copy_decl_for_dup): Split into ...
11775 (copy_decl_for_dup_finish, copy_decl_to_var,
11776 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11777 (replace_ref_tree, inlining_p): Remove.
11779 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11781 * ifcvt.c (if_convert): Make it static.
11782 * rtl.h: Remove the prototype for if_convert.
11784 * local-alloc.c (local_alloc): Make it static.
11785 * rtl.h: Remove the prototype for local_alloc.
11787 * loop.c (loop_optimize): Make it static.
11788 * cfgloop.h: Remove the prototype for loop_optimize.
11791 2006-01-16 DJ Delorie <dj@redhat.com>
11793 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11796 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11798 * pa.md: Disparage copies between general and floating-point registers
11799 in 32-bit move patterns.
11801 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11804 * Makefile.in (check-%): Depend on site.exp instead of
11805 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11808 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11810 * global.c (global_alloc): Make it static.
11811 * rtl.h: Remove the prototype for global_alloc.
11813 2006-01-16 Richard Guenther <rguenther@suse.de>
11815 * tree-ssa-alias.c (struct used_part): Add write_only field.
11816 (get_or_create_used_part_for): Initialize it to true.
11817 (create_overlap_variables_for): Don't create structure variables
11818 for structures that only are written to.
11819 (find_used_portions): Handle MODIFY_EXPR to track whether a
11820 structure is only written to.
11822 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11824 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11826 * basic-block.h: Remove the prototype for
11827 partition_hot_cold_basic_blocks.
11829 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11831 * cppspec.c (lang_specific_spec_functions): Remove.
11832 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11833 * gcc.h (lang_specific_spec_functions): Remove.
11834 * gccspec.c (lang_specific_spec_functions): Remove.
11836 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11838 * combine.c (record_value_for_reg): Invalidate registers
11840 (record_dead_and_set_regs_1): Likewise, by passing them to
11841 record_value_for_reg.
11842 (record_dead_and_set_regs): Invalidate stores made by a
11843 call. We do not combine across a call, but we still
11844 relied on equivalences.
11846 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11848 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11849 vrp_int_const_binop returning non-constant nodes.
11851 2006-01-16 Paul Brook <paul@codesourcery.com>
11853 * config/m68k/m68k.c (output_move_const_into_data_reg):
11854 Output correct mnemonic for mvz and mvs.
11856 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11858 * rtl-factoring.c: Add sequence abstraction algorithm.
11859 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11860 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11862 (block_has_preserve_label): New function.
11863 * common.opt: Register new pass.
11864 * Makefile.in: Ditto.
11866 * timevar.def: Ditto.
11867 * tree-pass.h: Ditto.
11868 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11869 * rtl.h (make_jump_insn_raw): Add forward decl.
11870 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11872 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11873 Roger Sayle <roger@eyesopen.com>
11875 * fold-const.c (fold_minmax): New static function.
11876 (fold_binary) <MIN_EXPR>: Call it.
11877 <MAX_EXPR>: Likewise.
11878 * stor-layout.c (place_field): Use DECL_SIZE consistently
11879 in the computation of the new record size.
11881 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11883 * cse.c (cse_condition_code_reg): Make it static.
11884 * rtl.h: Remove the prototype for cse_condition_code_reg.
11886 * combine.c (combine_instructions): Make it static.
11887 * rtl.h: Remove the prototype for combine_instructions.
11889 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11892 * tree.c (get_file_function_name_long): Concatenate the first global
11893 object name with a string derived from the input filename of the object
11896 2006-01-16 Ben Elliston <bje@au.ibm.com>
11898 * config/i386/winnt-stubs.c: Update FSF address.
11899 * config/xtensa/ieee754-df.S: Ditto.
11900 * config/xtensa/ieee754-sf.S: Ditto.
11902 2006-01-14 Ian Lance Taylor <ian@airs.com>
11904 * ifcvt.c (noce_init_if_info): New static function, broken out of
11905 noce_process_if_block.
11906 (noce_process_if_block): Call noce_init_if_info.
11907 (check_cond_move_block): New static function.
11908 (cond_move_process_if_block): New static function.
11909 (process_if_block): Call cond_move_process_if_block.
11911 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11913 * cselib.c (hash_table): Rename to cselib_hash_table.
11914 (cselib_clear_table, discard_useless_values,
11915 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11916 cselib_init, cselib_finish): Adjust uses of hash_table.
11918 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11920 PR tree-optimization/25485
11921 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11922 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11923 is known to be false and true, respectively.
11925 2006-01-14 Richard Guenther <rguenther@suse.de>
11927 PR tree-optimization/22548
11928 PR tree-optimization/22555
11929 PR tree-optimization/22501
11930 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11931 * params.def (salias-max-array-elements): New parameter.
11932 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11933 * doc/invoke.texi (salias-max-array-elements): Document.
11934 * tree-flow-inline.h (var_can_have_subvars): We also handle
11936 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11938 * tree-ssa-structalias.c (params.h): Include.
11939 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11940 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11941 (get_constraint_for): For ADDR_EXPR operating on something
11942 containing an ARRAY_REF, add all subvars to the solution.
11943 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11944 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11945 for creating MUST_DEFs.
11946 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11948 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11950 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11952 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11953 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11954 number_of_iterations_le): New functions.
11955 (number_of_iterations_special): Removed.
11956 (number_of_iterations_exit): Do not use number_of_iterations_special.
11957 * tree.c (unsigned_type_for): Always return integer type.
11959 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11960 Richard Guenther <rguenther@suse.de>
11962 PR rtl-optimization/24257
11963 * gcse.c (find_moveable_store): Only consider a store movable
11964 when the SET_SRC of the insn can be assigned to a register.
11966 2006-01-14 Ian Lance Taylor <ian@airs.com>
11968 * tree.c (tree_not_class_check_failed): New function.
11969 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11970 (tree_not_class_check_failed): Declare.
11972 2006-01-13 Ian Lance Taylor <ian@airs.com>
11974 * reload1.c (do_output_reload): Add assertion rejecting a
11977 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11979 * combine.c (struct reg_stat): Add new fields truncation_label and
11981 (record_value_for_reg): Reset truncated_to_mode.
11982 (record_truncated_value): New function.
11983 (check_promoted_subreg): Call it. Rename to check_conversions.
11984 (combine_instructions): Rename check_promoted_subreg to
11986 (reg_truncated_to_mode): New function.
11987 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11988 (gen_lowpart_or_truncate): New function.
11989 (force_to_mode): Use it instead of gen_lowpart.
11991 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11993 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11994 VAR is a tag, not its type tag.
11996 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11998 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11999 alternatives to match style of other entries.
12000 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12002 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12004 PR tree-optimization/25771
12005 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12008 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12011 * tree-inline.c (declare_return_variable): If the return variable
12012 was marked as a non gimple complex, set the return slot variable
12013 to be a non gimple comple variable.
12015 2006-01-13 Richard Guenther <rguenther@suse.de>
12017 * builtins.c (expand_builtin_sincos): New function.
12018 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12020 (expand_builtin): Expand sincos using expand_builtin_sincos.
12022 2006-01-12 DJ Delorie <dj@redhat.com>
12024 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12025 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12026 so that constant shifts can be split.
12027 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12028 (m32c_valid_pointer_mode): Make static.
12029 (shift_gen_func_for): New.
12030 (m32c_prepare_shift): Use it. Split large const shifts into
12032 * config/m32c/predicates.md (shiftcount_operand): Allow more
12034 (longshiftcount_operand): New.
12035 * doc/md.texi (Machine Constraints): Document In6.
12037 2006-01-13 Ben Elliston <bje@au.ibm.com>
12039 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12040 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12043 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12045 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12046 to try to avoid clobbering pieces of structures when we know
12047 something about the whole structure.
12048 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12050 2006-01-13 Ben Elliston <bje@au.ibm.com>
12052 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12053 return in memory, as this is no limitation is no longer present.
12055 2006-01-12 DJ Delorie <dj@redhat.com>
12057 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12058 mova with fb, and for fb+0 -> An.
12060 * config/m32c/mov.md (peephole2): Fix enabling logic.
12062 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12063 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12064 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12065 FINI_ARRAY_SECTION_ASM_OP): Define.
12067 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12069 (m32c_legitimize_reload_address): New logic to reload FB to An.
12070 (m32c_output_reg_push): Add newline.
12071 (m32c_output_reg_pop): Likewise.
12073 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12075 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12077 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12079 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12081 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12083 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12086 2006-01-11 Ben Elliston <bje@au.ibm.com>
12088 * rtlanal.c (find_reg_note): Assert insn is not null.
12090 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12092 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12095 2006-01-11 Jeff Law <law@redhat.com>
12097 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12099 (mark_threaded_blocks, register_jump_thread): New functions.
12100 (thread_through_all_blocks): Remove unwanted argument. No
12101 longer rely on e->aux to communicate thread target info.
12102 Call mark_threaded_blocks. Release the threaded_blocks
12103 bitmap and threaded_edges vector when complete.
12104 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12105 (threaded_blocks): Remove.
12106 (tree_ssa_dominator_optimize): Remove initialization and
12107 finalization of threaded_blocks. Simplify call to
12108 thread_through_all_blocks.
12109 (thread_across_edge): Call register_jump_thread rather than
12110 storing thread information into e->aux.
12111 (free_all_edge_infos): Simplify now that e->aux is no longer
12112 used to communicate with thread_through_all_blocks.
12113 * tree-flow.h (thread_through_all_blocks): Update prototype.
12114 (register_jump_thread): Prototype.
12116 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12118 * df-core.c (df_compact_blocks, df_bb_replace): Use
12119 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12121 2006-01-11 Richard Guenther <rguenther@suse.de>
12123 PR tree-optimization/25734
12124 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12125 stop propagation after successful propagation to the LHS.
12127 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12129 * basic-block.h (control_flow_graph): Change the type of
12130 x_basic_block_info to VEC(basic_block,gc) *.
12131 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12133 (SET_BASIC_BLOCK): New.
12134 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12135 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12136 * cfgbuild.c (find_basic_blocks): Likewise.
12137 * cfglayout.c (fixup_reorder_chain): Likewise.
12138 * cfgrtl.c (create_basic_block_structure,
12139 rtl_create_basic_block): Likewise.
12140 * ifcvt.c (find_if_case_1): Likewise.
12141 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12144 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12146 * Makefile.in: Removed rotted odf.c entry.
12148 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12151 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12152 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12153 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12154 output pattern modifier, not %e.
12155 * config/cris/cris.c (cris_op_str): Update comment about pattern
12157 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12158 before falling through into...
12159 <case 'E'>: Redefined from old 'e' case.
12161 2006-01-11 Jan Hubicka <jh@suse.cz>
12164 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12166 2006-01-11 Jan Hubicka <jh@suse.cz>
12168 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12169 * i386.c (x86_decompose_lea): Kill.
12170 (ix86_rtx_costs): Kill.
12172 2006-01-11 Jan Hubicka <jh@suse.cz>
12174 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12175 * cgraph.h (cgraph_node): Add inline_decl.
12176 (cgraph_insert_node_to_hashtable): Declare.
12177 (save_inline_function_body): Declare.
12178 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12180 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12181 (cgraph_function_versioning): Update call of tree_function_versioning.
12182 (save_inline_function_body): New function.
12183 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12184 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12185 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12186 (cgraph_default_inline_p): Likewise.
12187 (cgraph_decide_inlining_incrementally): Likewise.
12188 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12189 (copy_bb): Kill saving; do updating of clones.
12190 (copy_cfg_body): Kill saving.
12191 (initialize_inlined-parameters): Likewise.
12192 (expand_call_inline): Likewise.
12194 (tree_function_versioning): New parameter "update_clones".
12195 (inlining_p): Kill saving.
12196 * tree-inline.h (tree_function_versioning): Update prototype.
12197 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12200 2006-01-11 Ian Lance Taylor <ian@airs.com>
12202 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12203 Allow undoing set of machine mode.
12204 (do_SUBST): Use enums instead of is_int.
12205 (do_SUBST_MODE): New function.
12206 (SUBST_MODE): New macro.
12207 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12208 reg and trying to replace reg_regno_rtx with a new register.
12209 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12210 (simplify_set): Use SUBST_MODE.
12211 (distribute_notes): Remove code that tried to update reg notes
12212 for regno_reg_rtx changes.
12214 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12216 PR tree-optimization/23109
12217 PR tree-optimization/23948
12218 PR tree-optimization/24123
12220 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12221 * tree-cfg.c (single_noncomplex_succ): New.
12222 * tree-flow.h (single_noncomplex_succ): Declare it.
12223 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12224 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12225 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12226 insert_bb, register_division_in, insert_reciprocals,
12227 replace_reciprocal, free_bb): New.
12228 (execute_cse_reciprocals_1): Rewritten.
12229 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12230 Do not commit any edge insertion. Always compute dominators and
12231 create the allocation pool.
12232 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12233 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12234 * targhooks.c (default_min_divistions_for_recip_mul): New.
12235 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12236 * passes.c (init_optimization_passes): Run recip after tree loop
12238 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12240 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12241 Kenneth Zadeck <zadeck@naturalbridge.com>
12243 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12244 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12245 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12246 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12247 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12248 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12249 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12250 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12251 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12252 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12253 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12254 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12255 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12256 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12257 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12258 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12259 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12260 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12261 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12262 DF_SCAN_POST_ALLOC): New macros.
12263 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12264 df_free_bb_function, df_local_compute_function, df_init_function,
12265 df_dataflow_function, df_confluence_function_0,
12266 df_confluence_function_n, df_transfer_function,
12267 df_finalizer_function, df_free_function, df_dump_problem_function,
12268 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12269 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12270 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12271 df_urec_bb_info, ) New types.
12272 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12274 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12275 df_analyze_simple_change_some_blocks,
12276 df_analyze_simple_change_one_block, df_compact_blocks,
12277 df_bb_replace, df_bb_regno_last_use_find,
12278 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12279 df_insn_regno_def_p, df_find_def, df_find_use,
12280 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12281 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12282 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12283 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12284 debug_df_chain, df_get_dependent_problem, df_chain_create,
12285 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12286 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12287 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12288 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12289 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12290 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12291 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12292 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12293 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12294 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12295 df_reorganize_refs, df_set_state, df_hard_reg_init,
12296 df_read_modify_subreg_p) New public functions.
12297 * df-core.c: The core dataflow solver and glue routines for rtl
12299 (df_init, df_add_problem, df_set_blocks, df_finish,
12300 df_hybrid_search_forward, df_hybrid_search_backward,
12301 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12302 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12303 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12304 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12305 df_reg_defined, df_find_use, df_reg_used, df_dump,
12306 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12307 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12308 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12309 debug_df_useno, reset_df_after_reload): New functions.
12310 * df-scan.c: The scanning fuctions, once in df.c, completely
12311 rewritten so that they now fully model the functionality of
12312 register usage at the backend.
12313 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12314 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12315 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12316 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12317 df_get_artificial_defs, df_get_artificial_uses,
12318 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12319 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12320 df_refs_delete, df_reorganize_refs, df_set_state,
12321 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12322 df_def_record_1, df_defs_record, df_uses_record,
12323 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12324 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12325 df_record_exit_block_uses, df_hard_reg_init): New functions.
12327 * df-problems.c: Seven concrete dataflow problems that use the
12328 scanning in df-scan.c and are solved by the engine in df-core.c.
12329 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12330 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12331 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12332 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12333 df_ru_free_bb_info, df_ru_alloc,
12334 df_ru_bb_local_compute_process_def,
12335 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12336 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12337 df_ru_transfer_function, df_ru_free, df_ru_dump,
12338 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12339 df_rd_free_bb_info, df_rd_alloc,
12340 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12341 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12342 df_rd_transfer_function, df_rd_free, df_rd_dump,
12343 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12344 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12345 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12346 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12347 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12348 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12349 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12350 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12351 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12352 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12353 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12354 df_urec_mark_reg_use_for_earlyclobber,
12355 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12356 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12357 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12358 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12359 df_chain_create_bb_process_use, df_chain_create_bb,
12360 df_chain_finalize, df_chain_free, df_chains_dump,
12361 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12362 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12363 df_reg_lifetime): New functions.
12364 * df.c: Deleted file.
12365 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12366 consistent with new df api.
12367 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12368 rest_of_handle_sms): Ditto.
12369 * web.c (unionfind_union, union_defs, entry_register, web_main):
12371 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12372 invariant_expr_equal_p, find_defs, check_dependencies,
12373 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12374 free_inv_motion_data, move_loop_invariants): Ditto.
12375 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12376 Update dependencies.
12377 (odf.c): Added defective entry that was deleted later in day.
12378 * sched-deps.c (sched_analyze_1): Ditto.
12380 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12382 * tree-ssa-operands.c (get_expr_operands): Record addressable
12383 variables directly. Do not call add_stmt_operands for CONST_DECLs
12385 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12386 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12388 2006-01-11 Ben Elliston <bje@au.ibm.com>
12390 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12391 function returns true in the positive case.
12393 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12396 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12397 for SI, DI, SF and DF modes. Add alternatives to copy between
12398 general and floating point registers to the 32-bit patterns.
12399 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12400 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12401 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12402 generating 64-bit code.
12403 * config/pa/pa.c (output_move_double): Handle copies between general
12404 and floating registers.
12406 2006-01-10 Stuart Hastings <stuart@apple.com>
12408 * config/i386/i386.md (set_got): Update.
12409 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12410 (builtin_setjmp_receiver): Mach-O support.
12411 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12412 (GOT_SYMBOL_NAME): Define.
12413 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12414 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12415 * config/i386/i386.c (override_options): Revise for Darwin.
12416 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12417 support. (darwin_x86_file_end): New. (output_set_got): Add label
12418 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12419 * config/i386/i386-protos.h (output_set_got): Likewise.
12420 * config/darwin.c (machopic_legitimize_pic_address): Update
12423 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12425 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12426 when MODE isn't BLKmode.
12428 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12430 PR rtl-optimization/25367
12431 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12433 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12436 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12437 for a negative bound.
12439 2006-01-10 Richard Guenther <rguenther@suse.de>
12441 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12442 Never override with anything constraint.
12444 2006-01-10 Jan Beulich <jbeulich@novell.com>
12446 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12447 256 bits when optimize_size.
12449 2006-01-10 Jan Beulich <jbeulich@novell.com>
12451 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12453 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12454 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12457 2006-01-10 Ben Elliston <bje@au.ibm.com>
12459 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12461 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12462 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12463 (USE_FP_FOR_ARG): Reject decimal float modes.
12464 (function_arg_advance): Likewise.
12465 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12466 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12467 point types in AltiVec vectors.
12468 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12469 (rs6000_libcall_value): Likewise.
12471 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12473 * config/xtensa/ieee754-df.S: New file.
12474 * config/xtensa/ieee754-sf.S: New file.
12475 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12476 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12477 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12479 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12481 * config/sh/predicates.md (binary_float_operator,
12482 binary_logical_operator, commutative_float_operator,
12483 equality_comparison_operator, greater_comparison_operator,
12484 less_comparison_operator, logical_operator,
12485 noncommutative_float_operator, shift_operator,
12486 symbol_ref_operand, unary_float_operator): Remove redundant
12489 2006-01-09 Jeff Law <law@redhat.com>
12491 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12492 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12493 now unused arguments. Callers updated.
12494 (eliminate_redundant_computations): Remove now unused arguments,
12496 (local_fold): Remove, no longer used.
12497 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12499 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12500 (simplify_cond): New function.
12501 (forward_propagate_into_cond): Call simplify_cond.
12503 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12505 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12506 (*vec_extractv2di_1_sse): New.
12508 2006-01-09 Ben Elliston <bje@au.ibm.com>
12510 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12512 2006-01-08 Richard Guenther <rguenther@suse.de>
12514 * tree-ssa-structalias.c (get_constraint_for): Remove
12515 anyoffset argument.
12516 (get_constraint_for_component_ref): Likewise.
12517 (do_deref): Likewise.
12518 (get_constraint_for): Likewise.
12519 (do_structure_copy): Likewise.
12520 (handle_ptr_arith): Likewise.
12521 (find_func_aliases): Likewise. Remove unused need_anyoffset
12524 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12525 Kaz Kojima <kkojima@gcc.gnu.org>
12527 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12528 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12529 (EXTRA_CONSTRAINT_C16): Remove.
12530 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12531 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12532 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12533 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12534 constants of SHmedia. Handle nested constant expressions of
12536 (andcosts): Fix the costs for SHmedia constants.
12537 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12538 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12539 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12540 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12541 (movv4hi_i, movv2si_i): Likewise.
12542 (movsi_const): Adjust the second operand of ior so to match with
12543 the Csu constraint.
12544 (movdi_const, movdi_const_32bit): Likewise.
12545 (movdi_const_16bit+1): Don't sign-extend LOW.
12546 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12548 (*double_shori): Fix the split condition. Use GEN_INT instead
12549 of get_int_mode calls. Mask lower 16-bit of the argument of
12551 (sym2GOTPLT): Remove.
12552 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12554 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12555 instead of EXTRA_CONSTRAINT_C16.
12557 2006-01-07 Ian Lance Taylor <ian@airs.com>
12558 David Edelsohn <edelsohn@gnu.org>
12560 PR rtl-optimization/25662
12561 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12562 for constant operands instead of simplify_gen_binary.
12563 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12564 after trying simplify_binary_operation
12566 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12568 * tree.c (iterative_hash_expr): Hash decls based on UID.
12570 2006-01-06 Eric Christopher <echristo@apple.com>
12572 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12573 (TARGET_UNWIND_EMIT): Fix spelling.
12574 * target.h (gcc_target): Add except_table_label.
12575 * except.c (output_function_exception_table): Use.
12576 * varasm.c (default_emit_except_table_label): New.
12577 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12579 (asm_out): Add here.
12580 * output.h (default_emit_except_table_label): Prototype.
12581 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12582 * config/darwin.c (darwin_emit_except_table_label): Define.
12583 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12585 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12587 PR tree-optimization/18527
12588 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12589 number_of_iterations_special, number_of_iterations_exit):
12590 Move base and step of an iv to a single structure. Add
12591 no_overflow flag, and use it in # of iterations analysis.
12592 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12593 folded_casts argument.
12594 (simple_iv): Pass base and step in a structure. Set no_overflow
12596 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12597 Evaluate expensiveness of computing # of iterations instead of
12598 the final expression.
12599 * tree-scalar-evolution.h (affine_iv): New structure.
12600 (simple_iv): Declaration changed.
12601 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12602 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12603 find_givs_in_stmt): Changed due to simple_iv change.
12605 2006-01-06 Jeff Law <law@redhat.com>
12608 * tree-cfg.c (bsi_replace): Rename final argument from
12609 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12610 change (stmt -> orig_stmt).
12611 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12612 (bsi_remove): Add new argument. Remove EH information
12614 (verify_eh_throw_table_statements): New function.
12615 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12617 * tree-optimize.c (execute_free_cfg_annotations): Verify
12618 the EH throw statement table after removing annotations.
12619 * except.h (verify_eh_throw_table_statements): Prototype.
12620 * tree-flow.h (bsi_remove): Update prototype.
12621 * tree-vrp.c (remove_range_assertions): Add new argument to
12623 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12624 * tree-complex.c (expand_complex_div_wide): Likewise.
12625 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12626 * tree-tailcall.c (eliminate_tailcall): Likewise.
12627 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12628 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12629 * tree-nrv.c (tree_nrv): Likewise.
12630 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12631 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12632 (combine_blocks): Likewise.
12633 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12634 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12635 (cleanup_control_flow): Likewise.
12636 (remove_forwarder_block): Likewise.
12637 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12638 * tree-sra.c (sra_replace): Likewise.
12639 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12640 (forward_propagate_single_use_vars): Likewise.
12641 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12642 * tree-inline.c (expand_call_inline): Likewise.
12643 * tree-vect-transform.c (vect_transform_loop): Likewise.
12644 * tree-outof-ssa.c (rewrite_trees): Likewise.
12645 * tree-cfg.c (make_goto_expr_edges): Likewise.
12646 (cleanup_dead_labels): Likewise.
12647 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12648 (bsi_move_before, bsi_move_after): Likewise.
12649 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12650 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12652 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12655 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12657 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12658 on non gimple variables. Also add checks at the top for decls and
12660 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12662 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12663 and IMAGPART_EXPR for creating MUST_DEFs.
12664 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12665 and NAME_MEMORY_TAG separately from the DECLs.
12667 2006-01-06 Richard Guenther <rguenther@suse.de>
12669 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12670 annotation, if necessary.
12671 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12672 redundant calls to update_stmt.
12673 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12676 2006-01-05 Richard Henderson <rth@redhat.com>
12678 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12680 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12682 * c-typeck.c: Update copyright date.
12684 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12686 * c-typeck.c (build_c_cast): Always warn when casting
12687 from a pointer to an integer of different size, even if
12688 the node was constant.
12690 2006-01-05 Richard Guenther <rguenther@suse.de>
12692 PR tree-optimization/22555
12693 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12694 if one structure field is an array.
12695 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12696 operands even if we found a subvar, but ignore VOPs in this
12698 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12700 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12702 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12704 PR middle-end/24998
12705 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12707 2006-01-05 Richard Guenther <rguenther@suse.de>
12708 Diego Novillo <dnovillo@redhat.com>
12710 * tree-pass.h (TODO_remove_unused_locals): Define.
12711 * gimple-low.c (expand_var_p, remove_useless_vars,
12712 pass_remove_useless_vars): Remove. Update all users.
12713 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12714 (remove_unused_locals): New function.
12715 * tree-flow.h (remove_unused_locals): Declare.
12716 * passes.c (execute_todo): Call remove_unused_locals if
12717 TODO_remove_unused_locals is set.
12718 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12719 * tree-ssa-dce.c (pass_dce): Likewise.
12720 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12722 2006-01-05 Richard Guenther <rguenther@suse.de>
12724 * tree-flow.h (struct fieldoff): Decompose field to
12725 type, size and decl.
12726 * tree-ssa-alias.c (create_sft): Take type as parameter.
12727 (create_overlap_variables_for): Store type, size and decl
12728 in the fieldoff structure.
12729 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12730 of struct fieldoff.
12731 (push_fields_onto_fieldstack): Likewise.
12732 (create_variable_info_for): Likewise. Use offset for the
12733 SFT name if the decl is not available.
12735 2006-01-04 Paul Brook <paul@codesourcery.com>
12737 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12739 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12741 * lambda-code.c (can_put_in_inner_loop): Relax
12743 (can_put_after_inner_loop): New function.
12744 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12745 (perfect_nestify): Change to make copies and modify uses.
12747 2006-01-04 Richard Henderson <rth@redhat.com>
12749 Merge from gomp branch:
12750 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12751 via integer constant.
12752 (pragma_lex): Remove.
12753 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12754 rather than parsing it.
12755 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12756 handle_pragma_extern_prefix): Add %< %> quotes.
12757 (registered_pragmas): New.
12758 (c_register_pragma_1): New.
12759 (c_register_pragma): Use it.
12760 (c_register_pragma_with_expansion): Likewise.
12761 (c_invoke_pragma_handler): New.
12762 (init_pragma): Use cpp_register_deferred_pragma directly for
12764 * c-pragma.h (enum pragma_kind): New.
12765 (pragma_handler): New.
12766 (c_invoke_pragma_handler): Declare.
12767 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12769 * c-common.h (c_common_pch_pragma): Update decl.
12770 * Makefile.in (c-parser.o): Update dependencies.
12771 (GTFILES): Add c-pragma.h.
12772 * c-parser.c (struct c_token): Add pragma_kind.
12773 (struct c_parser): Add in_pragma.
12774 (c_lex_one_token): Always initialize keyword and pragma_kind.
12775 Extract data for CPP_PRAGMA.
12776 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12777 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12778 Don't allow CPP_PRAGMA_EOL if in_pragma.
12779 (c_parser_consume_pragma): New.
12780 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12781 (c_parser_skip_to_end_of_parameter): Likewise.
12782 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12783 (c_parser_skip_to_pragma_eol): New.
12784 (c_parser_external_declaration): Handle CPP_PRAGMA.
12785 (c_parser_compound_statement_nostart): Likewise.
12786 (c_parser_statement_after_labels): Likewise.
12787 (c_parser_pragma): New.
12788 (pragma_lex): Likewise.
12789 (c_parser_pragma_pch_preprocess): New.
12790 (c_parser_new): Merge into ...
12791 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12793 2006-01-04 Jeff Law <law@redhat.com>
12796 * tree-cfg.c (bsi_replace): Remove the original statement
12797 from the EH throw statement table.
12799 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12801 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12802 make the prototype extern "C" and add throw ().
12805 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12806 and pos non-negative and pos + len <= 32.
12807 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12808 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12809 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12812 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12813 as well as sizes not multiple of component size.
12816 * function.c (instantiate_expr): New function.
12817 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12818 walk its DECL_VALUE_EXPR with instantiate_expr.
12820 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12821 DW_OP_deref{,_size} if address isn't going to be added.
12823 2006-01-04 Ben Elliston <bje@au.ibm.com>
12825 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12826 * config/fp-bit.c: Likewise.
12828 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12830 * dominance.c: Add comment about why we use DFS numbering
12833 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12834 Richard Henderson <rth@redhat.com>
12836 Merge from gomp-branch:
12837 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12838 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12840 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12842 PR rtl-optimization/25578
12843 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12844 pass a parameter to simplify_shift_const if changing ASHIFTRT
12847 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12849 * builtins.c (get_builtin_sync_mem): New function.
12850 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12851 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12852 Call get_builtin_sync_mem to generate mem rtx.
12854 2006-01-03 Richard Guenther <rguenther@suse.de>
12857 * stmt.c (add_case_node): Make sure to clear overflow flags
12860 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12862 Merge from gomp-branch.
12863 * config/sparc/sync.md: New file.
12864 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12865 UNSPECV_LDSTUB): New constants.
12866 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12867 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12868 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12871 2006-01-03 Roger Sayle <roger@eyesopen.com>
12873 * combine.c (reg_subword_p): New predicate to test whether the
12874 destination of a set refers to a subword/piece of a register.
12875 (try_combine): Generalize the code to merge the setting of a
12876 pseudo to a constant followed by a set of a subword of that
12877 register to a constant.
12879 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12881 * basic-block.h (control_flow_graph): Change the type of
12882 x_label_to_block_map to VEC(basic_block,gc) *.
12883 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12884 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12886 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12887 VEC(basic_block,heap) *.
12888 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12889 ssa_prop_fini): Adjust the uses of cfg_blocks.
12891 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12893 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12895 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12896 hashing trees instead of a pointer hash.
12897 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12898 compare for MEM_EXPR.
12900 PR rtl-optimization/25130
12901 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12902 when comparing MEMs for GCSE
12904 2006-01-03 Ben Elliston <bje@au.ibm.com>
12906 * targhooks.h (default_decimal_float_supported_p): Declare.
12907 * targhooks.c (default_decimal_float_supported_p): Define.
12908 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12909 `default_decimal_float_supported_p'.
12910 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12912 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12914 * combine.c (apply_distributive_law <SUBREG>): Check
12915 TRULY_NOOP_TRUNCATION.
12917 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12919 * dwarf2out.c (have_switched_text_section): Delete.
12920 (have_multiple_function_sections): New.
12921 (have_location_lists): Make 'bool'.
12922 (add_AT_loc_list): Use 'true' not '1'.
12923 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12924 (output_loc_list): Use have_multiple_function_sections.
12925 (output_ranges): Likewise.
12926 (dwarf2out_begin_function): Set have_multiple_function_sections if
12928 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12929 Check function_section rather than DECL_SECTION_NAME.
12930 (dwarf2out_finish): Use have_multiple_function_sections.
12931 Don't clear have_location_lists.
12933 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12934 Jan Hubicka <jh@suse.cz>
12936 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12937 case of conditional jump jumping to the next instruction.
12938 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12939 cases of conditional jump jumping to the next instruction.
12941 2006-01-02 Jan Hubicka <jh@suse.cz>
12943 * i386.c (*_cost): Add COSTS_N_INSNS.
12944 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12946 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12949 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12951 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12953 * config/arm/arm.c (all_fpus): Fix comment typo.
12954 * config/darwin.c: Likewise.
12955 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12956 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12957 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12959 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12961 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12962 (rs6000_split_compare_and_swapqhi): New.
12963 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12964 (sync_compare_and_swapqhi_internal): New.
12965 * config/rs6000/rs6000-protos.h: Declare.