1 2006-07-05 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/28162
4 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5 make sure to convert the operands to the correct type.
7 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9 PR tree-optimization/28218
11 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
12 to calculate and free the dominator information.
14 2006-07-04 Peter O'Gorman <peter@pogma.com>
16 * mklibgcc.in: chmod 644 before ranlib during install.
18 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
19 J"orn Rennecke <joern.rennecke@st.com>
21 * configure.ac (.eh_frame data check): Use diff -b.
23 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
26 * Makefile.in (BUILD_RTL): Add build/vec.o.
27 (build/gencondmd.o): Filter out -fkeep-inline-functions.
28 (build/genextract): Delete.
29 (build/genautomata): Likewise.
31 2006-07-04 Alan Modra <amodra@bigpond.net.au>
34 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
35 128-bit IBM long doubles for ABI_V4.
37 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
39 * tree.c (range_in_array_bounds_p): New predicate.
40 * tree.h (range_in_array_bounds_p): Declare it.
41 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
42 return a less conservative answer.
43 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
45 (IS_ELEMENT_FOR_GROUP): New macro.
46 (FOR_EACH_ACTUAL_CHILD): Likewise.
47 (next_child_for_group): New helper function.
48 (can_completely_scalarize_p): Take into account groups.
49 (sra_hash_tree): Handle RANGE_EXPR.
50 (sra_elt_eq): Likewise.
51 (lookup_element): Be prepared for handling groups.
52 (is_valid_const_index): Delete.
53 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
54 instead of is_valid_const_index.
55 <ARRAY_RANGE_REF>: New case.
56 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
58 <ARRAY_RANGE_REF>: Do not unconditionally punt.
59 (scan_dump): Dump info for groups too.
60 (decide_instantiation_1): Likewise.
61 (decide_block_copy): Assert that the element is not a group.
62 Propagate decision to groups.
63 (generate_one_element_ref): Handle RANGE_EXPR.
64 (mark_no_warning): Iterate over actual childs.
65 (generate_copy_inout): Likewise.
66 (generate_element_copy): Likewise.
67 (generate_element_zero): Likewise.
68 (generate_element_init_1): Likewise.
69 (dump_sra_elt_name): Handle RANGE_EXPR.
71 2006-07-03 Roger Sayle <roger@eyesopen.com>
73 PR tree-optimization/26251
74 * tree-ssa-threadupdate.c (redirection_block_p): New function.
75 (thread_block): When optimizing for size refuse to thread jumps
76 that would require duplication of blocks other than redirection
79 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
81 * configure.ac: Fix thinko in previous check-in.
82 * configure: Regenerate.
84 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
87 * configure.ac (for lang...): Simplify nesting of conditionals.
88 Test subdir_requires for non-enabled languages. Move processing
89 of lang_opt_files and lang_tree_fiels below that test.
90 * configure: Regenerate.
91 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
93 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
95 * doc/gcov.texi (Invoking Gcov): Add a missing word.
97 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
99 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
102 2006-06-29 Jason Merrill <jason@redhat.com>
109 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
110 * c-common.c (c_determine_visibility): Handle it here.
111 * c-decl.c (finish_decl): Call c_determine_visibility for
113 * flags.h (enum symbol_visibility): Sort from most to least visibility.
115 * varasm.c (default_assemble_visibility): Likewise.
116 * c-common.c (handle_visibility_attribute): Complain about trying
117 to give visibility to an already defined class, or trying to change
118 declared visibility. Always attach the attribute.
123 * attribs.c (decl_attributes): Ignore type-in-place attributes
124 once the type has been defined.
126 2006-06-29 Roger Sayle <roger@eyesopen.com>
129 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
130 to indicate the cpplib has issued an error message for us.
132 2006-06-29 Asher Langton <langton2@llnl.gov>
135 * config/i386/i386.c (ix86_output_function_epilogue): Don't
136 insert a label at the end of an function under Mach-O.
138 2006-06-29 Eric Christopher <echristo@apple.com>
139 Evan Cheng <evan.cheng@apple.com>
141 * predicates.md (vector_all_ones_operand): New.
142 (nonimmediate_or_sse_const_operand): Ditto.
143 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
144 * config/i386/i386.c (standard_sse_constant_opcode): Define.
145 (standard_sse_mode_p): Ditto.
146 (standard_sse_constant_p): Add case for -1 vector.
147 (ix86_expand_vector_move): Try to use.
148 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
149 Call standard_sse_constant_opcode.
150 (*movv4sf_internal): Ditto.
151 (*movv2df_internal): Ditto.
153 2006-06-29 Roger Sayle <roger@eyesopen.com>
155 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
156 of XEXP to extract the operands of a MATCH_CODE rtx.
158 2006-06-28 Andrew Pinski <pinskia@gmail.com>
160 * tree.c (tree_size): Do not waste tail padding in
161 struct tree_string and make the size be the same as
162 build_string will generate.
164 2006-06-28 Jason Merrill <jason@redhat.com>
167 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
168 may_aliases already in the tag's annotations to the bitmap.
170 2006-06-28 Roger Sayle <roger@eyesopen.com>
172 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
174 2006-06-28 Roger Sayle <roger@eyesopen.com>
176 * genpreds.c (generate_switch_p): New function.
177 (add_mode_tests): Push the new mode test down inside an AND expr
178 if this allows the switch-suitable MATCH_CODE to be near the root.
179 (write_match_code_switch): New function to write a MATCH_CODE as
181 (write_predicate_stmts): New function to write a predicate RTX
182 expression as a sequence of statements.
183 (write_one_predicate_function): Use write_predicate_stmts.
184 (write_tm_constrs_h): Likewise.
186 2006-06-26 Fred Fish <fnf@specifix.com>
188 * config/mips/t-sb1: New file.
189 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
192 2006-06-26 DJ Delorie <dj@redhat.com>
194 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
196 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
197 Jayant Sonar <jayants@kpitcummins.com>
198 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
200 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
201 (subsi3, subsi3_1, subsi3_2): New.
202 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
203 * config/m32c/mov.md (SI mov peephole): New.
204 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
205 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
207 2006-06-26 Olivier Hainque <hainque@adacore.com>
209 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
210 a CALL_EXPR target function declaration.
212 2006-06-26 Richard Guenther <rguenther@suse.de>
214 * tree.c (build_string): Do not waste tail padding in
217 2006-06-26 Richard Guenther <rguenther@suse.de>
219 * ggc-page.c (init_ggc): Add missing element to size_lookup
223 2006-06-23 Richard Guenther <rguenther@suse.de>
225 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
226 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
227 alignment requests instead. Add verification code.
228 Add struct tree_function_decl and struct tree_binfo size to
229 extra_order_size_table. Add missing element to size_lookup
232 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
235 * fold-const.c (const_binop): Be prepared for self returning zero.
236 Simplify code handling complex values.
238 2006-06-24 Olivier Hainque <hainque@adacore.com>
240 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
241 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
244 2006-06-24 Olivier Hainque <hainque@adacore.com>
246 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
247 ARRAY_REF, so have the callback called for the low bound expression.
249 2006-06-23 Janis Johnson <janis187@us.ibm.com>
251 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
252 * c-typeck.c (c_common_type): Disallow operations on decimal float
253 types and other float types.
254 * convert.c (convert_to_real): Don't ignore conversions involving
257 2006-06-23 Olivier Hainque <hainque@adacore.com>
259 * tree.c (max_int_size_in_bytes): New function, inspired from
260 code in function.c:assign_temp.
261 * tree.h (max_int_size_in_bytes): Declare.
262 * function.c (assign_temp): Use it.
263 * gimplify.c (create_tmp_var): Relax the assertions on the type
264 properties, not mandating constant size any more.
265 (force_constant_size): New static function.
266 (gimple_add_tmp_var): Use it, forcing variable size to a
267 constant upper bound if it is not constant on entry.
269 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
272 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
273 for initialization and setting of one_only flag to ...
274 (i386_pe_encode_section_info): ...here.
275 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
276 Recheck that the symbol has not been defined.
278 2006-06-23 Richard Guenther <rguenther@suse.de>
280 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
281 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
282 alignment requests instead. Add verification code.
283 Add struct tree_function_decl and struct tree_binfo size to
284 extra_order_size_table. Add missing element to size_lookup
287 2006-06-22 Roger Sayle <roger@eyesopen.com>
288 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
291 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
292 call to lang_hooks.types.type_for_mode returned NULL_TREE.
294 2006-06-23 Ben Elliston <bje@au.ibm.com>
296 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
297 negate dn -- manipulate it directly.
299 2006-06-22 Roger Sayle <roger@eyesopen.com>
300 Steven Bosscher <stevenb.gcc@gmail.com>
303 * reload1.c (gen_reload): Call mark_jump_label on the new insns
304 generated by gen_move_insn to add REG_LABEL notes if necessary.
306 2006-06-22 Bob Wilson <bob.wilson@acm.org>
308 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
309 (leaf_entry): Remove use of MIN_ESA.
311 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
313 PR rtl-optimization/28121
314 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
317 2006-06-21 DJ Delorie <dj@redhat.com>
319 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
321 (mulhisi3_r): Likewise.
323 2006-06-21 Richard Sandiford <richard@codesourcery.com>
326 * coverage.c (coverage_counter_alloc): Leave the index type
328 (coverage_counter_alloc): Use null arguments for operands 2 and 3
331 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
333 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
334 section from the "Options for Code Generation Conventions".
336 2006-06-21 Richard Henderson <rth@redhat.com>
340 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
342 (global_symbolic_operand): Allow weak symbols, even if local_p.
344 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
346 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
347 (find_interesting_uses_address): Punt if above function returns true.
349 2006-06-21 Richard Guenther <rguenther@suse.de>
351 * configure: Regenerated.
353 2006-06-21 Joseph Myers <joseph@codesourcery.com>
355 * config/mips/mips.c (function_arg): Where one part of a
356 complex argument is in registers and the other part in the stack,
357 return a REG not a PARALLEL.
359 2006-06-21 Mark Mitchell <mark@codesourcery.com>
361 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
362 when cross-compiling. Do not substitute libstdcxx_incdir.
363 * configure: Regenerated.
365 2006-06-21 Jakub Jelinek <jakub@redhat.com>
367 * varasm.c (mergeable_string_section): Check for embedded NULs and
368 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
369 rather than TREE_STRING_LENGTH bytes.
371 2006-06-21 Richard Guenther <rguenther@suse.de>
373 * ggc-page.c (extra_order_size_table): Add var_ann_d,
374 tree_ssa_name, bitmap_element and phi_node with 4 arguments
377 2006-06-21 Richrad Guenther <rguenther@suse.de>
379 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
380 Limit iteration over the dominators.
382 2006-06-20 Roger Sayle <roger@eyesopen.com>
384 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
385 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
387 2006-06-20 Richard Guenther <rguenther@suse.de>
388 Michael Matz <matz@suse.de>
390 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
392 * alloc-pool.c (free_alloc_pool_if_empty): New function.
393 * et-forest.h (et_free_pools): Prototype new function.
394 * et-forest.c (et_free_tree_force): Free parent occurrence.
395 (et_free_pools): New function.
396 * dominance.c (free_dominance_info): Free et-forest alloc
399 2006-06-20 Roger Sayle <roger@eyesopen.com>
401 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
402 integer modes, attempt to directly construct an integer constant.
404 * fold-const.c (native_encode_vector): Determine the size of each
405 element from the vector type instead of the first vector element.
407 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
408 if all of its elements/components are constant.
409 (build_constructor_from_list): Likewise.
411 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
413 PR tree-optimization/27331
414 * tree-data-ref.c (free_data_ref): New function.
415 (create_data_ref): Fail if the data reference has unknown access
417 (free_data_refs): Use free_data_ref.
419 2006-06-19 Andrew Pinski <pinskia@gmail.com>
422 * tree-inline.c (setup_one_parameter): Strip useless
423 type conversion before adding it to the IR.
424 (declare_return_variable): Likewise.
426 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
429 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
431 2006-06-19 Mike Stump <mrs@apple.com>
433 * tree.c (variably_modified_type_p): VM arguments don't make the
436 2006-06-19 Richard Guenther <rguenther@suse.de>
438 * tree-ssa-pre.c (try_combine_conversion): Strip useless
439 type conversions after folding.
441 2006-06-19 Richard Guenther <rguenther@suse.de>
443 * ggc-page.c (extra_order_size_tab): Add entries with
444 size of struct function and basic_block.
445 (size_lookup): Extend to cover sizes up to 511.
446 (ggc_alloc_stat): Adjust user.
447 (ggc_pch_count_object): Likewise.
448 (ggc_pch_alloc_object): Likewise.
449 (ggc_pch_write_object): Likewise.
451 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
453 * tree-ssa-loop-niter.c (implies_ge_p): New function.
454 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
457 2006-06-19 Denis Chertykov <denisc@overta.ru>
459 * config/avr/libgcc.S : Correct my wrong previous commit.
461 2006-06-19 Roger Sayle <roger@eyesopen.com>
464 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
465 have stripped a SUBREG from the shift count, so we may need to
466 convert_to_mode back to the type's mode before calling make_tree.
467 Use new_amount instead of amount to avoid expanding a tree twice.
469 2006-06-19 Richard Guenther <rguenther@suse.de>
472 * fold-const.c (operand_equal_p): Check if the argument types
473 have the same precision before stripping NOPs.
475 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
477 Fix PR tree-optimization/27341
478 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
480 * tree-complex.c (pass_lower_complex): Update SMT usage.
482 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
484 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
485 Add a new alternative to the constraint strings. Add move of
486 operand 1 to 3 to the splitter definition.
487 ("doloop_si_long"): Second contraint alternative removed.
489 2006-06-08 Anatoly Sokolov <aesok@post.ru>
491 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
492 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
494 (AVR_HAVE_MOVW) Define.
495 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
496 (ASM_SPEC): Add avr25.
497 (LINK_SPEC): Add avr25.
498 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
499 (base_arch_s): Add new member 'have_movw_lpmx'.
500 (avr_arch_types): Init 'have_movw_lpmx'.
501 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
502 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
503 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
504 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
505 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
507 (avr_file_start): Do not output '.arh' derective.
508 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
509 (__do_copy_data): Use __AVR_HAVE_LPMX__.
510 * config/avr/avr.md (mcu_enhanced): Delete.
511 (mcu_have_movw): Define.
512 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
513 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
514 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
515 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
516 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
517 attiny861 and at86rf401 devices.
519 2006-06-18 Jie Zhang <jie.zhang@analog.com>
521 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
524 2006-06-17 Karl Berry <karl@gnu.org>
526 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
527 doc/gccint.texi, doc/install.texi (@dircategory): Use
528 "Software development" instead of "Programming", following
529 the Free Software Directory.
531 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
533 * config/i386/i386.c (legitimate_tls_address)
534 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
535 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
536 (*tls_dynamic_gnu2_combine_64): Likewise.
538 2006-06-16 Richard Guenther <rguenther@suse.de>
541 * fold-const.c (negate_expr_p): Do not introduce undefined
542 overflow in negating INTEGER_CSTs.
543 (fold_negate_expr): Rename from negate_expr. Revert last
544 change for folding BIT_NOT_EXPR. Change semantics to
545 return NULL_TREE for non-simplified negations. Do not
546 strip type conversions and unify type handling.
547 (negate_expr): New function, wrap around fold_negate_expr
548 but ensure building a tree always. Strip type conversions
549 here, fold to result type.
550 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
552 2006-06-16 Roger Sayle <roger@eyesopen.com>
555 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
556 that (would) return their results in stack registers.
558 2006-06-16 Michael Matz <matz@suse.de>
559 Richard Guenther <rguenther@suse.de>
561 * fold-const.c (fold_truthop): Only return new tree node if
562 we canonicalized something.
564 2006-06-16 Richard Guenther <rguenther@suse.de>
566 * function.h (enum function_frequency): Move declaration
567 out of struct function.
568 (struct function): Move bool fields and the enum to the bitfield
569 section. Reorder elements to avoid padding. Remove unused
570 fields left over from the RTL inliner removal.
571 * function.c (free_after_compilation): Do not zero removed fields.
572 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
573 (ipa-type-escape.o): Likewise.
575 2006-06-16 Richard Guenther <rguenther@suse.de>
577 * cgraph.h (struct cgraph_local_info): Turn bool elements
579 (struct cgraph_node): Likewise.
580 (struct cgraph_varpool_node): Likewise.
582 2006-06-15 Richard Guenther <rguenther@suse.de>
584 * fold-const.c (fold_truth_not_expr): Rename from
585 invert_truthvalue. Give it fold_* semantics to avoid
587 (invert_truthvalue): New function. Wrapper around
589 (optimize_minmax_comparison): Avoid creating garbage.
590 (fold_unary): Use fold_truth_not_expr for folding
592 (fold_ternary): Replace uses of invert_truthvalue with
593 fold_truth_not_expr where applicable.
594 * tree.h (fold_truth_not_expr): Prototype.
596 2006-06-16 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/27781
599 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
600 * ipa-pure-const.c (target.h): Include.
601 (analyze_function): Do not analyze functions that do not
604 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
607 * tree-dfa.c (referenced_vars_dup_list): Remove.
608 (find_referenced_vars): Remove assert.
609 (referenced_var_check_and_insert): Replace dup list with assert.
610 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
611 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
613 2006-06-15 Richard Guenther <rguenther@suse.de>
615 * tree-ssa-structalias.c (alias_get_name): Avoid creating
616 extra unused identifiers if not dumping.
617 (create_variable_info_for): Likewise.
619 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
621 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
622 (derive_constant_upper_bound): Derive more precise upper bound in
623 common cases. Return type changed to double_int.
624 (record_estimate): Reflect the changed return type of
625 derive_constant_upper_bound.
626 * double-int.c (double_int_zext, double_int_sext): Fix.
628 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
630 * configure.ac (CFLAGS): Get them from the toplevel or from the
631 configure invocation.
632 * configure: Regenerate.
633 * Makefile.in (CFLAGS): Substitute value provided by configure.
635 2006-06-14 Mark Mitchell <mark@codesourcery.com>
638 * c-common.h (c_finish_omp_atomic): Adjust declaration.
639 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
640 rather than calling add_stmt on it.
641 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
643 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
646 * reload1.c (reload): Remove registers returned by update_eliminables
647 from used_spill_regs.
649 2006-06-13 DJ Delorie <dj@redhat.com>
651 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
653 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
655 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
656 html__strip_dir, html__mkdir_p. Enhance install-html target.
657 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
658 * configure: Regenerate.
660 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
662 * fold-const.c (fold_cond_expr_with_comparison): Check for
663 Objective-C++ as language in deciding COND_EXPR transformation.
665 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
668 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
669 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
670 * config/sh/lib1funcs.h (SL, SL1): Define.
671 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
672 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
673 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
674 (OBJS_Os_4_200): New variable.
675 ($(T)libgcc-Os-4-200.a): Use it.
676 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
677 when dividing 1 and/or by 0.
679 2006-06-13 Roger Sayle <roger@eyesopen.com>
681 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
682 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
683 * configure: Regenerate.
685 2006-06-13 Jie Zhang <jie.zhang@analog.com>
687 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
688 for real instruction.
690 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
693 * haifa-sched.c (check_cfg): Handle special case.
695 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
698 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
699 Add debug_info parameter. Chain the vars to the BLOCK instead
700 of the BIND_EXPR if debug info are requested for them.
701 (pop_gimplify_context): Adjust for above change.
702 (gimple_add_tmp_var): Likewise.
703 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
705 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
706 (convert_local_reference): Likewise.
707 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
708 (finalize_nesting_tree_1): Request that debug info be emitted
711 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
713 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
716 2006-06-13 Richard Guenther <rguenther@suse.de>
719 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
721 2006-06-13 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/27830
724 * tree-inline.c (copy_body_r): For copying the operand
725 of an ADDR_EXPR make sure to fold &* afterwards.
727 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
729 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
730 lvalues in the fb_none case with side-effects.
732 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
734 * tree-flow.h: Remove the prototype for
735 compute_phi_arg_on_exit.
736 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
737 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
740 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
742 * builtins.c (expand_builtin_return_addr): Only use
743 frame_pointer_rtx when count == 0 and we are expanding
744 __builtin_return_address.
746 2006-06-12 Fred Fish <fnf@specifix.com>
748 * config/mips/mips.c (mips_file_start): Create special section
749 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
751 2006-06-11 Eric Christopher <echristo@apple.com>
754 * stor-layout.c (place_field): Remove check for
755 remaining_in_alignment when aligning at the end of a run.
757 2006-06-11 Eric Christopher <echristo@apple.com>
760 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
763 2006-06-11 Roger Sayle <roger@eyesopen.com>
766 Revert incorrect fix for PR target/27158
767 2006-05-08 Roger Sayle <roger@eyesopen.com>
768 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
769 of a reg_equiv_constant if the result is a legitimate constant.
771 2006-06-11 Roger Sayle <roger@eyesopen.com>
774 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
775 extract a CONST_VECTOR element and interpret it as an integer.
776 (vspltis_constant): Use const_vector_elt_as_int instead of the
777 macro CONST_VECTOR_ELT in order to handle FP vector modes.
778 * config/rs6000/predicates.md (easy_vector_const): Consider
779 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
781 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
784 * stor-layout.c (update_alignment_for_field): Don't add extra
785 alignment for packed non-bitfield fields in ms_bitfield_layout_p
788 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
790 * config/mips/t-rtems: Add EL/EB multilib variants.
792 2006-06-09 Mike Stump <mrs@apple.com>
794 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
796 2006-06-09 David Daney <ddaney@avtrex.com>
798 * doc/install.texi: Add binutils version recommendation for mips-*-*.
800 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
802 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
804 2006-06-09 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/26998
807 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
808 of signed types, only TYPE_MIN_VALUE is special, but for both,
809 minimum and maximum value. Likewise VR_ANTI_RANGE is special
810 in this case, as is -fwrapv.
812 2006-06-08 Mike Stump <mrs@apple.com>
815 * config/darwin.c (darwin_asm_output_anchor): Disable
816 -fsection-anchors on darwin for now.
817 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
818 * rs6000/rs6000.c (optimization_options): Likewise.
820 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
823 * config/i386/i386.c (classify_argument): Skip fields with invalid
826 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
828 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
829 (cse_insn): Likewise for the stack_pointer_rtx.
831 2006-06-08 Roger Sayle <roger@eyesopen.com>
833 * tree-ssa-dom.c (record_conditions): Only record "unordered"
834 conditions from floating point comparisons.
836 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
839 * expmed.c (struct alg_hash_entry): Fix type of field T
840 to match synth_mult argument.
841 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
843 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
846 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
849 2006-06-08 Richard Guenther <rguenther@suse.de>
852 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
853 only, if overflow is defined and not trapping.
854 (negate_expr): Likewise.
856 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
858 PR tree-optimization/27872
859 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
860 flag on the new exit edge of the unrolled loop.
862 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
864 PR rtl-optimization/26449
865 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
867 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
870 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
871 referenced_variables with matching DECL_UID's.
872 (find_referenced_vars): Make sure duplicate list is empty to start.
873 (referenced_var_p): Remove.
874 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
875 Check if var is in the list, and add if needed. Update the duplicate
876 list if a different var is in the list with the same DECL_UID.
877 (add_referenced_var): Call routine to check and insert.
878 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
879 * tree-flow.h (referenced_vars_dup_list): External declaration.
881 2006-06-07 Fred Fish <fnf@specifix.com>
883 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
886 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
889 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
890 the imaginary and real parts of a clobbered register.
891 Emit insn to set the imaginary part.
893 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
895 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
896 in lieu of unwind-dw2-fde.c.
898 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
900 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
902 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
905 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
906 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
907 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
908 V4SImode temporaries and operations instead.
910 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
912 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
915 2006-06-06 Mike Stump <mrs@apple.com>
917 * Makefile.in: Rename to htmldir to build_htmldir to avoid
918 installing during build.
920 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
922 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
924 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
925 * config/ia64/ia64.c (params.h): New header.
926 (ia64_optimization_options): New function to adjust parameters.
927 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
928 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
929 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
931 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
933 * stor-layout.c (debug_rli): Fix a typo in a debug message.
935 2006-06-05 Steve Ellcey <sje@cup.hp.com>
938 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
940 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
941 Victor Kaplansky <victork@il.ibm.com>
943 PR tree-optimization/26360
944 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
947 2006-06-04 Roger Sayle <roger@eyesopen.com>
948 Andrew Pinski <pinskia@physics.uc.edu>
951 * c-common.c (c_common_truthvalue_conversion): Explicitly check
952 for LABEL_DECL before calling DECL_WEAK.
955 * c-typeck.c (build_binary_op): Likewise, explicitly check for
956 LABEL_DECL and PARM_DECL.
958 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
962 * c-decl.c (grokdeclarator): Disallow variably modified types at
963 file scope. Avoid marking shared array type of constant size as
966 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
969 * c-common.c (fold_offsetof_1): Handle static members.
971 2006-06-04 Eric Christopher <echristo@apple.com>
973 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
974 (debug_rli): Output value for remaining_in_alignment.
975 (update_alignment_for_field): Unconditionalize
976 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
977 extra alignment code.
978 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
979 ms_bitfield_layout_p code. Rewrite handling of structure fields.
980 * tree.h (record_layout_info_s): Remove prev_packed.
981 * doc/extend.texi (ms_struct): Add documentation of format.
983 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
985 * tree.h: Declare folding_initializer.
986 * builtins.c (fold_builtin_constant_p): Give definite answer
987 if folding inside an initializer.
988 * fold-const.c: Define folding_initializer.
989 (START_FOLD_INIT): Save and then set folding_initializer.
990 (END_FOLD_INIT): Restore folding_initializer.
992 2006-06-04 Richard Guenther <rguenther@suse.de>
994 PR tree-optimization/27039
995 * fold-const.c (fold_comparison): Handle pointer comparison
996 again for all comparison codes. Compare offsets in signed
998 (fold_binary): Move code from here.
1000 2006-06-03 Roger Sayle <roger@eyesopen.com>
1003 * config/i386/i386.c (construct_container): Split static issued_error
1004 flag into issued_sse_arg_error, issued_sse_ret_error and
1005 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1006 requires the use of x87 registers and the user explicitly
1007 specified the -mno-80387 command line option.
1009 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1011 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1012 HAVE_DECL_SIGALTSTACK.
1014 (segv_handler): Use MC_FLD.
1015 * configure.ac: Check for a sigaltstack declaration.
1016 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1017 * configure: Regenerate.
1018 * config.in: Regenerate.
1020 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1023 * Makefile.in (stmp-fixinc): Fix typo.
1025 2006-06-02 Roger Sayle <roger@eyesopen.com>
1027 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1028 are type correct. Clean-up.
1029 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1030 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1032 2006-06-01 DJ Delorie <dj@redhat.com>
1034 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1035 shift, as we've disabled the "switch" insn that needs it.
1037 2006-06-01 Per Bothner <bothner@bothner.com>
1039 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1040 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1041 * c-ppoutput.c (cb_define): Don't increment line 0.
1043 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1045 * doc/invoke.texi: Add cpu_type power6.
1046 * config.gcc: Add cpu_type power6.
1047 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1048 to power5+ with Altivec.
1049 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1050 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1052 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1054 * config/avr/avr.h (SET_ASM_OP): Define.
1056 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1058 * config/bfin/bfin.c: Fix comment typos.
1060 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1063 * doc/install.texi: Document --enable-bootstrap and
1064 --disable-bootstrap.
1066 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1068 * doc/install.texi: Document that InfoZIP can replace jar.
1070 2006-05-31 Roger Sayle <roger@eyesopen.com>
1072 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1073 isn't available, directly generate the simpler x87 patterns without
1074 the (use (const_int 0)).
1075 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1076 implementation isn't available.
1077 (*negdf2_1): Likewise.
1078 (*negxf2_1): XF mode negation is always done using the x87.
1079 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1081 2006-05-31 Roger Sayle <roger@eyesopen.com>
1083 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1084 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1086 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1088 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1090 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1091 * config/bfin/bfin.c (basic-block.h): Include.
1092 (struct machine_function): New.
1093 (bfin_init_machine_status): New.
1094 (override_options): Initialize init_machine_status.
1095 (bfin_hardware_loop): New.
1096 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1097 (DEF_VEC_P (loop_info)): New.
1098 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1099 (struct loop_info): New.
1100 (loop_info): New typedef.
1101 (struct loop_work): New.
1102 (loop_work): New typedef.
1103 (DEF_VEC_O (loop_work)): New.
1104 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1105 (bfin_dump_loops): New.
1106 (bfin_bb_in_loop): New.
1107 (bfin_scan_loop): New.
1108 (bfin_optimize_loop): New.
1109 (bfin_reorg_loops): New.
1110 (bfin_reorg): Use bfin_reorg_loops.
1111 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1113 (I_REGNO_P): Simplify.
1114 (DP_REGNO_P, DPREG_P): New macros.
1115 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1116 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1117 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1118 Add LT_REGS, LC_REGS, LB_REGS.
1119 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1121 (REGNO_REG_CLASS): Deal with loop registers.
1122 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1124 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1125 New constants for loop registers.
1126 (UNSPEC_LSETUP_END): New.
1127 (seq_insns): New define_attr. Set it for appropriate insns.
1128 (movsi_insn): Add alternatives for move from/to
1129 loop count registers.
1130 (doloop_end): New define_expand.
1131 (loop_end): New define_insn.
1132 (define_split for bad doloop_end): New.
1133 (lsetup_with_autoinit): New define_insn.
1134 (lsetup_without_autoinit): New define_insn.
1135 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1136 * config/bfin/predicates.md (lc_register_operand): New.
1137 (lt_register_operand): New.
1138 (lb_register_operand): New.
1139 (nondp_register_operand): New.
1140 (nondp_reg_or_memory_operand): New.
1141 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1143 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1145 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1146 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1148 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1150 * Makefile.in (CATALOGS): Add po/ prefix.
1151 * configure: Regenerated.
1153 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1156 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1157 a shift operand before calling shift_op. Avoid redundant call of
1160 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1161 DJ Delorie <dj@redhat.com>
1163 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1164 we're inserting is a singlt-bit constant.
1166 2006-05-30 Roger Sayle <roger@eyesopen.com>
1168 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1169 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1171 2006-05-30 Roger Sayle <roger@eyesopen.com>
1173 PR tree-optimization/23452
1174 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1175 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1176 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1177 complex values and with -ffast-math for FP complex values.
1179 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1181 * c-common.h: Remove the prototype for yyparse.
1182 * rtl.h: Remove the prototype for init_loop.
1184 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1186 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1189 2006-05-30 Roger Sayle <roger@eyesopen.com>
1191 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1193 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1194 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1196 2006-05-30 Dirk Mueller <dmueller@suse.de>
1199 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1200 for CONSTANT_CLASS_P expresisons.
1202 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1205 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1207 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1209 PR tree-optimization/27779
1210 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1211 initial_condition instead of CHREC_LEFT.
1213 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1215 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1216 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1217 Make prototypes ISO C90.
1219 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1220 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1222 * see.c (see_analyze_one_def): Correct check.
1223 (see_get_extension_data): Check if extension is parallel.
1224 (see_get_extension_reg): Likewise.
1226 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1229 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1230 into register for (code == GTU).
1232 2006-05-29 Roger Sayle <roger@eyesopen.com>
1234 PR tree-optimization/24964
1235 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1236 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1237 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1238 abs(x)*abs(x) as x*x for scalar floating point modes.
1240 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1243 * lambda-code.c (perfect_nestify): Don't copy statements
1244 in the inner loop: move them to the inner loop header.
1246 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1249 * c-tree.texi: Document OpenMP directives and clauses.
1251 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1253 * varasm.c (globalize_decl): Fix indentation.
1255 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1258 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1259 pass_fre, pass_store_ccp, pass_copy_prop,
1260 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1261 pass_return_slot, pass_object_size, pass_lim,
1262 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1263 pass_loop_prefetch and pass_stdarg.
1265 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1267 * config/bfin/bfin.opt (mfdpic): New option.
1268 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1269 (EXTRA_MULTILIB_PARTS): Likewise.
1270 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1271 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1273 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1274 (CRT_CALL_STATIC_FUNCTION): New.
1275 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1277 (CRT_CALL_STATIC_FUNCTION): New.
1278 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1280 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1281 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1282 (initialize_trampoline): Changed to handle FD-PIC code generation.
1283 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1284 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1285 (override_options): Disallow -mid-shared-library -mfdpic combination.
1286 Can't do unaligned ops if FD-PIC.
1287 Turn off flag_pic if trying to generate non-id-shared-library
1288 non-fdpic code, since it's not supported.
1289 (bfin_assemble_integer): New function.
1290 (TARGET_ASM_INTEGER): Define.
1291 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1293 * config/bfin/crtn.s: Restore them.
1294 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1296 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1297 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1298 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1299 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1300 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1302 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1303 FDPIC_REGS and FDPIC_FPTR_REGS.
1304 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1305 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1306 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1307 (load_funcdescsi): New pattern.
1308 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1309 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1310 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1312 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1314 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1317 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1319 * tree-flow.h: Remove the prototype for add_type_alias.
1320 * tree-ssa-alias.c (add_type_alias): Remove.
1322 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1324 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1325 config/fr30/fr30.md, config/i386/i386-interix.h,
1326 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1327 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1328 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1329 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1330 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1331 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1332 Follow spelling conventions.
1333 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1334 Follow spelling conventions.
1336 2006-05-27 Richard Guenther <rguenther@suse.de>
1339 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1340 to produce a constant of value 1 of generic type.
1342 2006-05-27 Dirk Mueller <dmueller@suse.de>
1344 * cgraphunit.c (decide_is_function_needed): Fix wrong
1347 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1349 PR rtl-optimization/27661
1350 * reload.c (find_reloads): When reloading a VOIDmode constant
1351 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1352 use Pmode as mode of the reload register.
1354 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1356 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1357 is enabled at -O and above.
1359 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1362 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1365 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1368 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1369 for anonymous variables explicitly declared by front ends.
1371 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1373 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1374 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1375 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1376 ref-all pointers, run a finalization pass for them.
1377 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1378 (finalize_ref_all_pointers): New function.
1379 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1380 regular pointer type to a ref-all pointer type.
1381 (get_tmt_for): Return the special memory tag for ref-all pointers.
1383 2006-05-25 Richard Guenther <rguenther@suse.de>
1386 * fold-const.c (fold_binary): Do not look at the stripped
1387 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1389 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1391 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1392 for LT and GT if the computed range is effectively empty.
1394 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1397 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1398 mips_quad_format formats instead of ieee_single_format,
1399 ieee_double_format and ieee_quad_format formats, respectively.
1401 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1403 PR tree-optimization/27639
1404 PR tree-optimization/26719
1405 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1406 call to scev_probably_wraps_p.
1407 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1408 used_in_pointer_arithmetic_p, convert_step): Removed.
1409 (nowrap_type_p): New function.
1410 (scev_probably_wraps_p): Rewritten.
1411 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1412 chrec_convert if chrec_convert_aggressive might have been used.
1413 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1414 scev_direction): New functions.
1415 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1416 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1417 instead of convert_step.
1418 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1419 (convert_step): Declaration removed.
1420 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1422 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1424 * df-core.c: Added to header comments.
1425 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1426 df_ur_bb_info, df_urec_bb_info): Added comments.
1427 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1428 urec, ri problems): Fixed header comments.
1429 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1430 code from df_rd_transfer_function.
1432 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1434 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1435 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1436 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1438 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1440 * expr.c (undefined_operand_subword_p): New.
1441 (emit_move_multi_word): Do not generate move from undefined bits
1442 of a paradoxical subreg.
1444 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1446 PR rtl-optimization/27736
1447 * combine.c (replaced_rhs_value): New variable.
1448 (combine_instructions): Set it.
1449 (distribute_notes): When distributing a note in replaced_rhs_insn,
1450 check whether the value was used in replaced_rhs_value.
1452 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1455 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1456 add_referenced_var instead of add_referenced_tmp_var.
1457 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1458 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1460 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1461 tree_optimize_tail_calls_1): Use add_referenced_var.
1462 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1463 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1464 Use add_referenced_var.
1465 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1466 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1467 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1468 Use add_referenced_var.
1469 * tree-dfa.c (struct walk_state): Remove.
1470 (find_referenced_vars): Remove walk state and vars_found hash table.
1471 (make_rename_temp): Use add_referenced_var.
1472 (find_vars_r): Pass less parameters to add_referenced_var.
1473 (referenced_var_p): New. Is var in referenced_var hash table.
1474 (referenced_var_insert): Assert var isn't already in hash table.
1475 (add_referenced_var): Don't need walk_state parameter. Add var if it
1476 isn't already in the hash table.
1477 (add_referenced_tmp_var): Remove.
1478 (find_new_referenced_vars_1): Use add_referenced_var.
1479 * tree-ssa-pre.c (create_expression_by_pieces,
1480 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1481 Use add_referenced_var.
1482 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1483 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1484 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1486 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1487 vect_create_data_ref_ptr, vect_create_destination_var,
1488 vect_init_vector, vect_build_loop_niters,
1489 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1490 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1491 Use add_referenced_var.
1492 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1493 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1494 (add_referenced_var): Add prototype.
1495 * tree-ssa-structalias.c (get_constraint_for,
1496 intra_create_variable_infos): Use add_referenced_var.
1498 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1500 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1501 big-endian paradoxical subregs.
1502 * var-tracking.c (struct micro_operation_def): Document that,
1503 for modify micro operations, insn is the subsequent instruction.
1504 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1505 (var_reg_set, var_mem_set): ... new functions.
1506 (add_stores): Record subsequent insn.
1507 (compute_bb_dataflow): Use new functions for MO_USE.
1508 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1509 notes after the insn, and modify notes before the insn known
1510 to be the subsequent one.
1511 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1513 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1516 * config/i386/i386.c (ix86_expand_builtin): Use
1517 gen_sse3_monitor64 for TARGET_64BIT.
1519 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1521 PR rtl-optimization/26375
1522 PR rtl-optimization/26855
1523 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1525 (df_ru_bb_local_compute): Reversed statements and removed bogus
1526 comment explaining why they should be in wrong order.
1527 (df_ru_dump, df_rd_dump): Enhanced debug info.
1528 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1530 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1531 reaching uses and fixed space problem.
1533 2006-05-23 Jan Hubicka <jh@suse.cz>
1535 * cgraphunit.c (decide_is_function_needed): Also nested functions
1536 and functions declared inline can be optimized out at -O0.
1538 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1540 * doc/install.texi (Configuration): Remove reference to CrossGCC
1544 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1547 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1548 ix86_compare_emitted is non-NULL.
1550 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1553 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1556 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1558 PR rtl-optimization/25514
1559 * combine.c (replaced_rhs_insn): New variable.
1560 (combine_instructions): Set replaced_rhs_insn when trying to replace
1561 a SET_SRC with a REG_EQUAL note.
1562 (distribute_notes): Use replaced_rhs_insn when determining the live
1563 range of a REG_DEAD register.
1565 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1566 Anatoly Sokolov <aesok@post.ru>
1568 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1569 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1570 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1571 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1572 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1573 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1574 at90usb647, at90usb1286 and at90usb1287 devices.
1575 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1576 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1578 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1580 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1582 2006-05-22 Richard Guenther <rguenther@suse.de>
1585 2006-01-31 Richard Guenther <rguenther@suse.de>
1586 Paolo Bonzini <bonzini@gnu.org>
1588 * doc/install.texi (--disable-libgcc-math): Document.
1590 2006-05-22 Richard Guenther <rguenther@suse.de>
1593 2006-01-31 Richard Guenther <rguenther@suse.de>
1595 * doc/invoke.texi (-msselibm): Document.
1596 * target.h (expand_library_builtin): New target hook.
1597 * builtins.c (expand_builtin): Use expand_library_builtin.
1598 (default_expand_library_builtin): New function.
1599 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1600 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1601 (link_gcc_math_spec): Declare.
1602 (static_specs): Add link_gcc_math_spec.
1603 * expr.h (default_expand_library_builtin): Declare.
1604 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1605 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1606 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1607 * config/i386/i386.opt (msselibm): New target option.
1608 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1609 (ix86_init_sse_abi_builtins): New function.
1610 (ix86_expand_library_builtin): Likewise.
1611 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1612 (override_options): Handle error conditions wrt -msselibm.
1613 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1614 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1615 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1618 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1621 * c-common.c (self_promoting_args_p): Skip erroneous args.
1624 * c-decl.c (finish_struct): Skip erroneous fields.
1626 2006-05-22 Nick Clifton <nickc@redhat.com>
1628 * config/cris/cris.opt (march): Remove VarExists attribute.
1629 (max-stackframe=): Likewise.
1631 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1633 * doc/rtl.texi: Fix a typo.
1634 * see.c: Fix comment typos.
1636 * tree-ssa-structalias.h (alias_info): Remove num_references.
1638 2006-05-21 Mike Stump <mrs@apple.com>
1640 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1642 (darwin_pragma_options): Use BAD instead.
1643 (darwin_pragma_unused): Likewise.
1644 (darwin_pragma_ms_struct): Likewise.
1646 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1648 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1650 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1652 PR rtl-optimization/27671
1653 * simplify-rtx.c (simplify_relational_operation_1): Fix
1654 simplifications of (eq/ne (xor x y) y) and
1655 (eq/ne (xor x y) x).
1657 PR tree-optimization/26622.
1658 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1661 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1663 * tree-cfg.c: Prune whitespace.
1664 (debug_tree_cfg): Point to correct header containing the
1667 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1670 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1672 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1675 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1676 or sorry count is non zero.
1678 2006-05-20 Andreas Schwab <schwab@suse.de>
1680 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1682 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1683 Kenneth Zadeck <zadeck@naturalbridge.com>
1685 PR rtl-optimization/26855
1687 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1689 (df_scan_alloc): Added code to properly handle multiword hard
1690 registers and add all_blocks parameter.
1691 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1692 code to properly handle multiword hard registers.
1693 (df_rescan_blocks): Added code to remove deleted blocks from
1695 (df_ref_create_structure, df_ref_record): Added code to properly
1697 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1698 and set DF_REF_PARTIAL.
1699 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1700 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1701 (df_scan_add_problem): Added flags parameter.
1702 (df_ref_create_structure): Changed switching structure.
1703 (df_bb_refs_record): Fixed case where duplicate artificial refs
1704 were created. Changed location of flags.
1705 (df_record_entry_block_defs): Added code to make stack pointer
1706 live in entry block. Refined cases where frame pointer is needed.
1707 Changed location of flags.
1708 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1709 (df_set_state): Removed function.
1710 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1711 df_insn_create_insn_record, df_insn_refs_delete,
1712 df_ref_create_structure): Formatting changes.
1713 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1714 df_delete_basic_block): New function.
1715 (df_init): Changed location of flags.
1716 (df_add_problem): Added flags parameter and the way flags are
1718 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1719 debug_df_chain): Improved debugging output.
1720 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1721 (df_refs_chain_dump): Removed df parameter.
1722 (df_iterative_dataflow): Added consistency check.
1723 (df_prune_to_subcfg): Made public.
1724 (df_analyze_problem): Added blocks_to_init parameter and made
1726 (df_ref_record, df_bb_refs_record, df_mark_reg,
1727 df_record_exit_block_uses): Whitespace changes.
1728 (df_dump): Whitespace changes.
1729 * df.h: Some reordering to remove forward references.
1730 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1731 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1732 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1733 (dataflow.flags): New field.
1734 (df.flag): Deleted field.
1735 (df_alloc_function): Added additional bitmap parameter.
1736 (df_dependent_problem_function): New type.
1737 (df_problem.changeable_flags): New field.
1738 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1739 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1740 (df_mw_hardreg): New struct.
1741 (DF_INSN_UID_MWS): New macro.
1742 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1744 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1745 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1746 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1747 (df_set_state): Removed function.
1748 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1749 * df-problems.c (df_chain_dump): Removed df parameter.
1750 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1751 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1753 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1754 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1755 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1756 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1757 DF_REF_MUST_CLOBBER cases.
1758 (df_ru_bb_local_compute_process_def,
1759 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1760 df_lr_bb_local_compute, df_ur_bb_local_compute,
1761 df_chain_create_bb): Made subreg aware.
1762 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1763 df_lr_bb_local_compute, df_lr_bb_local_compute,
1764 df_chain_create_bb): Cleanup to use proper macros.
1765 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1766 code to fixup bitvectors.
1767 (df_ri_alloc): Cleared lifetime.
1768 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1769 df_create_unused_note): New function.
1770 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1771 REG_DEAD and REG_UNUSED notes as well as register information.
1772 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1773 df_chains_dump): Fixed crash if problem was never run.
1774 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1775 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1776 df_ri_add_problem): Processes flags in uniform manner.
1777 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1778 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1779 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1780 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1781 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1782 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1783 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1784 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1785 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1786 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1787 * see.c (see_initialize_data): Ditto.
1788 * final.c (rest_of_clean_state) Added regstack_completed.
1789 * rtl.h (regstack_completed): Ditto.
1790 * reg-stack.c (regstack_completed): Ditto.
1792 2006-05-19 Mike Stump <mrs@apple.com>
1794 * c-tree.h (default_conversion): Remove.
1795 * c-common.h (default_conversion): Add.
1797 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1799 * tree-vrp.c (valid_value_p): New function.
1800 (adjust_range_with_scev): Fail if the value of bound is not
1803 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1805 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1806 (mips_fallback_frame_state): Use syscall numbers to determine
1807 the appropriate li instruction for the current ABI. Only use
1808 __NR_sigreturn for o32.
1810 2006-05-19 Nicolas Setton <setton@adacore.com>
1812 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1813 * langhooks.c (lhd_dwarf_name): New function.
1814 * langhooks-def.h (lhd_dwarf_name): Declare.
1815 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1816 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1817 * ada/misc.c (gnat_dwarf_name): New function.
1818 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1820 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1822 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1824 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1825 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1826 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1827 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1828 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1829 determine the size of Wtype, etc.
1830 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1831 (swfloatfuncs): New variable.
1832 (dwfloatfuncs): Likewise.
1833 (lib2funcs): Remove floating-point conversion functions from
1834 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1835 the set of conversion routines needed. Allow entries to specify
1836 an object name, filename and word size. Update users accordingly.
1837 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1838 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1842 2006-02-08 Roger Sayle <roger@eyesopen.com>
1845 * config/fixtfdi.c: New libgcc source file.
1846 * config/fixunstfdi.c: New source file.
1847 * config/floatditf.c: New source file.
1848 * config/floatunditf.c: New souce file.
1849 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1850 files above instead of config/mips/_tilib.c.
1851 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1853 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1855 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1856 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1858 2006-05-18 Mike Stump <mrs@apple.com>
1860 Fix up vla, vm and [*] sematics.
1866 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1867 (c_vla_unspec_p): Add.
1868 (c_vla_type_p): Add.
1869 * c-decl.c (struct c_scope): Add had_vla_unspec.
1870 (build_array_declarator): Add support for [*].
1871 (grokdeclarator): Likewise.
1872 (grokparms): Likewise.
1873 (get_parm_info): Likewise.
1874 * c-objc-common.c (c_vla_unspec_p): Likewise.
1875 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1876 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1877 typeof when argument is a variably modified type not inside sizeof or alignof.
1878 (c_parser_direct_declarator_inner): Propagate errors.
1879 (c_parser_sizeof_expression): Add support for [*].
1880 (c_parser_parms_declarator): Initialize had_vla_unspec.
1881 (c_parser_parms_list_declarator): Likewise.
1882 * c-typeck.c (c_vla_type_p): Add.
1883 (composite_type): Add support for vla compositing.
1884 (comptypes_internal): Add support for vla compatibility.
1885 (c_expr_sizeof_expr): Evaluate vla arguments.
1886 * tree.c (variably_modified_type_p): Update comment for [*].
1888 2006-05-18 Michael Matz <matz@suse.de>
1891 * config.host: Make assignments to host_xmake_file cumulative.
1892 * config.host (*-darwin*): Test $host, not $target.
1894 2006-05-12 Stuart Hastings <stuart@apple.com>
1896 * config/i386/i386.opt (-mstackrealign): New flag.
1897 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1898 (ix86_handle_cconv_attribute): Emit error when
1899 force_align_arg_pointer attribute collides with too many regparms.
1900 (ix86_function_regparm): Limit regparms when used with
1901 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1902 Support stack-realigning prologue in non-main functions. Emit
1903 warning for nested functions under -mstackrealign, emit error for
1904 nested functions with force_align_arg_pointer attribute.
1905 * doc/extend.texi (force_align_arg_pointer): Document it.
1906 * doc/invoke.texi (-mstackrealign): Document it.
1908 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1910 PR rtl-optimization/27477
1911 * combine.c (try_combine): Don't split a parallel consisting
1912 of two sets into two individual sets if both sets reference
1915 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1917 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1918 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1920 * doc/options.texi (VarExists): Updated.
1922 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1924 * unwind-dw2.c: Add declarations for uw_update_context and
1926 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1927 detected, advance frame state and context once to skip over stub.
1929 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1933 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1934 Call rewrite_into_loop_closed_ssa only when something changed.
1935 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1936 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1937 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1938 Test for perfect_nest_p here. Fix formating.
1939 (replace_uses_equiv_to_x_with_y): Fix formating.
1940 (stmt_uses_op): Removed.
1941 (can_convert_to_perfect_nest): Removed loopivs parameter.
1942 Complete the test by checking the scalar dependences.
1943 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1946 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1949 From Dan Kegel <dank@kegel.com>:
1950 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1952 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1954 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1955 if the element type is variably modified without recursing.
1957 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1960 * tree-loop-linear.c (try_interchange_loops): Test for
1961 no data dependences.
1963 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1965 PR tree-optimization/27548
1966 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1967 range of ssa names that appear on abnormal edges.
1968 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1969 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1971 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1974 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1976 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1979 * tree.h (OMP_PARALLEL_COMBINED): Define.
1980 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1981 (new_omp_context): Add is_combined_parallel argument.
1982 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1983 new_omp_context caller.
1984 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1985 Adjust gimplify_scan_omp_clauses callers.
1986 (omp_is_private): Issue errors if iteration variable is firstprivate
1987 or reduction in the current context.
1988 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1989 on combined parallel workshare constructs.
1991 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1993 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1994 (gcc-options.o): New rule.
1996 * optc-gen.awk: Protect variables for gcc-options.o with
1997 #ifdef GCC_DRIVER/#endif.
1999 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2001 Fix PR tree-optimization/27373
2002 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2003 (forward_propagate_addr_expr): Update call.
2005 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2007 * doc/options.texi: Move the Negative option.
2009 2006-05-16 Richard Guenther <rguenther@suse.de>
2011 PR tree-optimization/22303
2012 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2014 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2015 ccp_fold did not simplify the statement.
2017 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2020 * Makefile.in (GCC_OBJS): New.
2021 (OBJS-common): Add opts-common.o.
2022 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2023 (cpp$(exeext)): Likewise.
2024 (gcc.o): Also depend on opts.h.
2025 (opts-common.o): New.
2027 * common.opt (gcoff): Add Negative(gdwarf-2).
2028 (gdwarf-2): Add Negative(gstabs).
2029 (gstabs): Add Negative(gstabs+).
2030 (gstabs+): Add Negative(gvms).
2031 (gvms): Add Negative(gxcoff).
2032 (gxcoff): Add Negative(gxcoff+).
2033 (gxcoff+): Add Negative(gcoff).
2034 * config/i386/i386.opt (m32): Add Negative(m64).
2035 (m64): Add Negative(m32).
2037 * doc/options.texi: Document the Negative option.
2039 * gcc.c: Include "opts.h".
2040 (main): Call prune_options after expandargv.
2042 * optc-gen.awk: Generate common declarations for all flag
2043 variables in options.c. Output the neg_index field.
2045 * opts.c (find_opt): Moved to ...
2046 * opts-common.c: Here. New file.
2048 * opts.h (cl_option): Add a neg_index field.
2050 (prune_options): Likewise.
2052 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2055 * omp-low.c (expand_omp_parallel): Don't assert
2056 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2057 instead search for it.
2060 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2063 2006-05-16 Andreas Schwab <schwab@suse.de>
2065 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2068 2006-05-15 Roger Sayle <roger@eyesopen.com>
2071 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2072 integer constants other than zero are only legitimate on TARGET_64BIT.
2073 <CONST_VECTOR> Only zero vectors are legitimate.
2074 (ix86_cannot_force_const_mem): Integral and vector constants can
2075 always be put in the constant pool.
2077 2006-05-16 DJ Delorie <dj@redhat.com>
2079 * crtstuff.c (__dso_handle): Set section from
2080 TARGET_LBIGCC_SDATA_SECTION if defined.
2081 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2082 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2084 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2087 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2090 2006-05-16 Ben Elliston <bje@au.ibm.com>
2092 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2094 2006-05-15 Per Bothner <per@bothner.com>
2096 * tree.c: (last_annotated_node): Use source_locus typedef.
2097 This permits bootstrapping with --enable-mapped-location.
2099 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2101 PR tree-optimization/26830
2102 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2103 (info_for_ssa_name, current_info_for_ssa_name_age,
2104 blocks_to_update): New variables.
2105 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2106 (clear_ssa_name_info, initialize_flags_in_bb,
2107 mark_block_for_update): New functions.
2108 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2109 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2110 prepare_def_site_for): Use mark_block_for_update.
2111 (mark_def_interesting): Assert that the processed block is marked in
2112 blocks_to_update. Do not take blocks argument.
2113 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2115 (rewrite_update_init_block, rewrite_update_stmt): Only process
2116 blocks with statements to rewrite.
2117 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2118 (update_ssa): Initialize and free blocks_to_update. Do not
2119 clear flags on statements. Do not use blocks bitmap.
2120 * tree.h (SSA_NAME_AUX): Removed.
2121 (struct tree_ssa_name): Removed aux field.
2122 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2124 2006-05-15 Richard Guenther <rguenther@suse.de>
2126 PR tree-optimization/27603
2127 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2128 Do computations in original type.
2130 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2132 * see.c: Code style changes such as redundant paranthesis,
2133 redundant intialization of local variables etc.
2134 (see_main): Declared now as static.
2135 * doc/invoke.texi: Update that -fsee is not enabled by
2138 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2140 * omp-low.c (check_omp_nesting_restrictions): New function.
2141 (scan_omp_1): Call it.
2144 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2145 construct, return *VAR.
2147 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2149 PR rtl-optimization/27406
2150 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2153 2006-05-14 Roger Sayle <roger@eyesopen.com>
2155 PR rtl-optimization/27538
2156 * combine.c (expand_compound_operation): Call gen_lowpart
2157 before calling simplify_shift_const.
2159 2006-05-14 Roger Sayle <roger@eyesopen.com>
2161 PR rtl-optimization/22563
2162 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2163 a fixed width bitfield, always force the intermediates into psuedos.
2165 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2168 * mkconfig.sh: Use operator = instead of == for test.
2170 2006-05-13 Nick Clifton <nickc@redhat.com>
2172 * dwarf2out.c (dbx_reg_number): Check return value from
2173 LEAF_REG_REMAP and only use it if it is valid.
2174 (multiple_reg_loc_descriptor): Likewise.
2176 2006-05-13 Richard Guenther <rguenther@suse.de>
2178 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2181 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2183 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2184 information attached to non-INSNs such as NOTEs.
2185 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2187 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2189 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2191 * config/s390/s390.md: Adjust comment describing On constraint.
2193 2006-05-11 Jan Hubicka <jh@suse.cz>
2195 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2196 to be output at -O0.
2198 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2201 * fold-const.c (size_binop): Move sanity check for arguments to
2202 the beginning of the function.
2205 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2208 2006-05-11 Richard Guenther <rguenther@suse.de>
2211 * fold-const.c (fold_unary): Handle intermediate conversion
2212 to a pointer type like intermediate conversion to an integer
2213 type in folding of (T1)(T2)var to var.
2214 Match the code to the comment in the final conversion for
2215 (T1)(T2)var to (T1)var regarding to type precision. Rather
2216 than disallow T1 being of pointer type, assert that both T1
2217 and var are of pointer type or not. Make sure not to fall
2218 over the frontends lazyness wrt array to pointer decay though.
2220 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2222 * arm.c (arm_struct_value_rtx): Delete.
2223 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2224 (arm_init_cumulative_args): Always initialize nregs to zero.
2226 2006-05-10 Richard Guenther <rguenther@suse.de>
2228 PR tree-optimization/27532
2229 * tree-object-size.c (plus_expr_object_size): Fix typo.
2231 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2234 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2235 ashrdi_const, ashrdi3): Use a scratch register.
2237 2006-05-10 Richard Guenther <rguenther@suse.de>
2239 PR tree-optimization/27302
2240 * fold-const.c (operand_equal_p): For two comparisons,
2241 try comparison of one comparison code swapped if that yields
2244 2006-05-10 Ben Elliston <bje@au.ibm.com>
2246 * tree-pretty-print.c (pretty_print_string): No need to handle
2247 '\0' as a special character.
2249 * tree.h: Include "hashtab.h".
2250 (iterative_hash_expr): Use hashval_t in its prototype.
2251 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2253 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2256 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2257 (hppa*64*-*-hpux11*): Ditto.
2258 (hppa[12]*-*-hpux11*): Ditto.
2260 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2263 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2265 2006-05-09 Michael Matz <matz@suse.de>
2267 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2268 host_extra_gcc_objs and host_xmake_file.
2269 (<*-*-linux*>): Don't overwrite host_xmake_file.
2270 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2271 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2272 (host_detect_local_cpu): Declare.
2273 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2274 * config/i386/i386.c (override_options): Handle -mtune=native
2276 * config/i386/x-i386: New file.
2277 * config/i386/driver-i386.c: New file.
2278 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2281 2006-05-09 Dirk Mueller <dmueller@suse.de>
2282 Richard Guenther <rguenther@suse.de>
2285 * fold-const.c (fold_read_from_constant_string): Relax check
2286 for matching types to matching modes.
2288 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2290 PR rtl-optimization/27335
2291 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2294 2006-05-08 Chao-ying Fu <fu@mips.com>
2295 Richard Sandiford <richard@codesourcery.com>
2297 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2298 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2299 * config/mips/mips.md (UNSPEC_SCC): New constant.
2300 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2301 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2302 (mips_emit_compare): Use it.
2303 (mips_expand_vcondv2sf): New function.
2305 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2307 Fix PR tree-optimization/27093
2308 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2309 renaming when they become not-used_alone.
2311 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2313 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2314 relocation and relocation stubs.
2316 2006-05-08 Eric Christopher <echristo@apple.com>
2318 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2321 2006-05-08 Jan Hubicka <jh@suse.cz>
2324 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2325 unused static functions are needed.
2327 2006-05-08 Roger Sayle <roger@eyesopen.com>
2330 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2331 of a reg_equiv_constant if the result is a legitimate constant.
2333 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2336 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2337 standard 80387 constants, raise the cost to prevent
2338 compress_float_constant() to generate load from memory.
2340 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2342 * config/arm/constraints.md (c): Fix a typo.
2344 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2347 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2350 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2352 (_mm_mwait): Likewise.
2354 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2356 (sse3_monitor): Make it 32bit only.
2357 (sse3_monitor64): New. 64bit monitor.
2359 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2362 * config/i386/i386.c (classify_argument): Skip fields with invalid
2365 2006-05-07 Richard Guenther <rguenther@suse.de>
2367 PR tree-optimization/27409
2368 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2369 Do not try to find zero-sized subvars.
2371 2006-05-07 Richard Guenther <rguenther@suse.de>
2373 PR tree-optimization/27136
2374 * tree-ssa-loop-niter.c (get_val_for): Correct function
2375 comment, assert requirements.
2376 (loop_niter_by_eval): Stop processing if the iterated
2377 value did not simplify.
2379 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2381 * opts.c (flag_see): remove its setting at -O3.
2383 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2385 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2386 * arm/constraints.md: New file.
2387 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2388 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2389 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2390 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2391 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2392 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2393 * arm.md: Include constraints.md.
2394 (thumb_movsi_insn): Use satisfies_constraint_J.
2395 (movhi, movqi): Use satisfies_constraint_I.
2397 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2399 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2400 for atmeg a645 device.
2402 2006-05-06 Richard Guenther <rguenther@suse.de>
2404 PR tree-optimization/27151
2405 * tree-vect-transform.c (vectorizable_condition): Punt on
2406 values that have a different type than the condition.
2408 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2411 * c-parser.c (c_parser_cast_expression): Only insert casts into
2412 hash table if pointer.
2413 * function.c (used_types_insert_helper): Rename from
2415 (used_types_insert): Call used_types_insert_helper.
2416 * function.h (used_types_insert): Accept only one argument.
2418 2006-05-05 David Edelsohn <edesohn@gnu.org>
2420 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2421 scratch with output modifier.
2423 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2426 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2427 with output modifier.
2429 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2432 * config/mips/mips.c (mips_symbolic_address_p): Return true
2433 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2434 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2436 2006-05-04 Richard Guenther <rguenther@suse.de>
2438 PR tree-optimization/14287
2439 PR tree-optimization/14844
2440 PR tree-optimization/19792
2441 PR tree-optimization/21608
2442 PR tree-optimization/27090
2443 * tree-ssa-pre.c (try_combine_conversion): New function.
2444 (compute_avail): After constructing the value-handle
2445 expression, use try_combine_conversion to combine NOP_EXPRs
2446 with previous value-handle expressions and use the result if it
2449 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2451 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2453 2006-05-04 Jan Hubicka <jh@suse.cz>
2456 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2458 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2460 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2461 that this only matches CONST_INTs. All users changed to VOIDmode
2464 * config/bfin/bfin.c: Include "optabs.h".
2465 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2467 (enum bfin_builtins): Add a number of fractional and vector builtins.
2468 (bfin_init_builtins): Likewise.
2469 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2470 (safe_vector_operand, bfin_expand_binop_builtin,
2471 bfin_expand_unop_builtin): New functions.
2472 (bfin_expand_builtin): Handle the new builtins.
2473 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2476 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2479 * Makefile.in (OBJS-common): Add see.o.
2480 (see.o): Add dependencies.
2481 * common.opt (fsee): New flag for the see optimization was added.
2482 * opts.c (flag_see): Initialized.
2483 * passes.c (init_optimization_passes, pass_see): New pass.
2484 * rtl.h (see_main): Declaration as extern.
2485 * timevar.def (TV_SEE): New.
2486 * tree-pass.h (pass_see): Declaration as extern.
2487 * invoke.texi (-fsee): Document.
2488 * recog.c (validate_simplify_insn): New function.
2489 * recog.h (validate_simplify_insn): Declaration as extern.
2490 * df-problems.c (df_chain_dump): Check for NULL.
2492 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2493 Daniel Berlin <dberlin@dberlin.org>
2495 * cfgrtl.c (insert_insn_bb_end_new): New function.
2496 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2498 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2500 * df.h (struct web_entry): Moved from web.c.
2501 (union_defs): Declaration as extern.
2502 (unionfind_root): Likewise.
2503 (unionfind_union): Likewise.
2504 * web.c (struct web_entry): Moved to df.h.
2505 (unionfind_root): Remove static declaration.
2506 (unionfind_union): Likewise.
2507 (union_defs): Likewise and generalize to use callback function.
2508 (web_main): Update arguments for union_defs function call.
2510 2006-05-04 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/26447
2513 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2514 produce SSA_NAME copies before the store stmt to avoid
2515 breaking exception handling.
2517 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2520 * gimplify.c (omp_is_private): If var is shared in some outer context,
2521 return false instead of true. Stop searching on parallel context
2524 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2527 * coverage.c: Use get_gcov_unsigned_t() instead of
2528 unsigned_type_node all over.
2530 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2532 PR tree-optimization/27381
2533 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2534 maintain the same immediate_use links.
2535 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2536 node rather than segfaulting.
2538 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2541 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2542 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2543 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2545 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2547 Fix PR tree-optimization/26626
2548 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2550 * tree-ssa-operands.c (access_can_touch_variable): Allow
2551 typecasting through union pointers.
2553 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2556 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2557 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2558 to find if var will be a global variable even in the nested context.
2559 (omp_copy_decl): Only check for global variable at the end, it might
2560 be overridden in outer contexts.
2561 (scan_sharing_clauses): For global variables don't create a field.
2562 (lower_rec_input_clauses): Do nothing for global shared variables.
2563 Emit a barrier at the end of ILIST if there were any decls in both
2564 firstprivate and lastprivate clauses.
2565 (lower_send_clauses): Do nothing for global variables except for
2568 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2570 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2571 of the correct signedness is returned.
2573 2006-05-02 Jeff Law <law@redhat.com>
2575 PR tree-optimization/27364
2576 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2577 multiply expressions.
2579 2006-05-02 Tom Tromey <tromey@redhat.com>
2581 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2583 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2586 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2587 -mthumb -fPIC are used.
2589 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2590 Joshua Kinard <kumba@gentoo.org>
2593 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2594 with 64-bit pointers.
2596 2006-05-02 Paul Brook <paul@codesourcery.com>
2598 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2600 (create_fix_barrier): Check that a suitable barrier location is
2602 (arm_reorg): Include ftmp->address in allowable range of addresses.
2604 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2607 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2610 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2613 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2614 around RESULT_DECL for result passed by reference.
2615 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2616 * omp-low.c (use_pointer_for_field): Don't look at
2617 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2618 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2619 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2620 time or var for passing by reference for
2621 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2622 TREE_ADDRESSABLE variables when passing by reference.
2624 * omp-low.c (dump_omp_region): Fix output formatting.
2627 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2628 (expand_omp_parallel): Likewise.
2629 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2632 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2633 on statement list containing also constructors and destructors.
2634 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2637 * except.c (duplicate_eh_regions): Fix clearing of
2638 cfun->eh->region_array entries.
2640 2006-05-01 DJ Delorie <dj@redhat.com>
2642 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2644 (gcc_cv_objdump): Likewise.
2645 * configure: Regenerated.
2647 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2650 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2651 templates for case 3 and 4.
2653 2006-05-01 DJ Delorie <dj@redhat.com>
2655 * vec.c: Include bconfig.h when appropriate.
2656 * Makefile.in (build/vec.o): Adjust dependencies.
2657 * mkconfig.sh: Make sure config.h isn't used for build machine
2660 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2662 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2664 (mark_phi_for_rewrite): New function.
2665 (insert_phi_nodes_for, mark_use_interesting): Call
2666 mark_phi_for_rewrite.
2667 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2668 (update_ssa): Initialize and free phis_to_rewrite.
2670 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2672 PR rtl-optimization/27291
2673 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2674 folded to a constant.
2676 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2678 PR tree-optimization/27283
2679 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2680 not whole # of iteration descriptions.
2681 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2682 uses abnormal ssa name.
2683 (niter_for_single_dom_exit): Ditto.
2684 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2685 return just the number of iterations.
2687 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2689 PR tree-optimization/27144
2690 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2691 (record_estimate): Only record constant upper bound.
2692 (infer_loop_bounds_from_undefined): Call
2693 compute_estimated_nb_iterations just once.
2694 (proved_non_wrapping_p): Renamed to ...
2695 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2696 (convert_step_widening, scev_probably_wraps_p): Call
2697 n_of_executions_at_most instead of proved_non_wrapping_p.
2698 (substitute_in_loop_info): Do not replace values in bounds.
2699 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2702 2006-05-01 Richard Henderson <rth@redhat.com>
2705 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2706 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2709 2006-05-01 Roger Sayle <roger@eyesopen.com>
2711 * c-typeck.c (parser_build_binary_op): Don't call the function
2712 unsigned_conversion_warning to spot operand/result type overflow.
2713 (build_binary_op): Instead, call convert_and_check instead of
2714 convert to report the problem when the operands are promoted.
2715 * c-common.c (unsigned_conversion_warning): Make static.
2716 * c-common.h (unsigned_conversion_warning): Delete prototype.
2718 2006-05-01 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/26726
2721 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2723 (find_interesting_uses_address): ... we work around here
2724 by folding INDIRECT_REFs in the substituted base.
2726 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2728 * omp-low.c (dump_omp_region): Add newlines.
2730 2006-04-30 Roger Sayle <roger@eyesopen.com>
2732 * common.opt (Woverflow): New command line option.
2733 * c-common.c (constant_expression_warning): Check warn_overflow.
2734 (overflow_waring): Pass OPT_Woverflow to warning.
2735 (unsigned_conversion_warning): Likewise.
2736 (convert_and_check): Likewise.
2737 * doc/invoke.texi: Document new command line option.
2739 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2741 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2742 TARGET_NO_FP_IN_TOC for section anchors.
2743 (optimization_options): Enable section anchors for all
2744 non-"Objective" languages.
2746 2006-04-28 Eric Christopher <echristo@apple.com>
2748 * config/darwin-c.c (darwin_ms_struct): Move this
2749 (darwin_set_default_type_attributes): and this...
2750 * config/darwin.c: ... here.
2751 * config/darwin.h (darwin_ms_struct): Declare.
2753 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2755 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2757 2006-04-28 Roger Sayle <roger@eyesopen.com>
2760 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2761 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2762 an unsigned HOST_WIDE_INT.
2763 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2765 (really_start_incremental_init): No need to call convert because
2766 bitsize_zero_node is already of type bitsizetype.
2767 (push_init_level): Extract the value of constructor_index as an
2768 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2769 (process_init_element): Likewise.
2771 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2773 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2774 value before passing to make_relative_prefix.
2776 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2779 * builtins.c (expand_builtin_memset): Expand val in original mode.
2781 2006-04-27 Eric Christopher <echristo@apple.com>
2783 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2784 with #ifndef/#endif.
2785 * config/darwin-c.c (darwin_ms_struct): New.
2786 (darwin_pragma_ms_struct): Ditto.
2787 (darwin_set_default_type_attributes): Ditto.
2788 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2789 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2790 Register ms_struct pragma.
2791 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2792 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2793 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2794 darwin_set_default_type_attributes if TARGET_MACHO.
2796 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2798 PR tree-optimization/26854
2799 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2800 * doc/tree-ssa.texi: Update immuse iterator documentation.
2801 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2803 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2804 first_safe_imm_use, next_safe_imm_use): Remove.
2805 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2806 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2807 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2808 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2809 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2810 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2811 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2812 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2813 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2814 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2815 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2816 (perfect_nestify): Use new iterator.
2817 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2819 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2820 (next_imm_name): New field in struct immediate_use_iterator_d.
2821 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2822 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2823 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2824 * tree-cfg.c (replace_uses_by): Use new iterator.
2825 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2826 * tree-ssa-operands.c (correct_use_link): Remove.
2827 (finalize_ssa_use_ops): No longer call correct_use_link.
2829 2006-04-27 Stuart Hastings <stuart@apple.com>
2831 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2832 * config/t-darwin (crt3.o): Use it.
2833 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2834 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2835 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2836 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2837 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2840 2006-04-27 Roger Sayle <roger@eyesopen.com>
2842 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2843 size, force the intermediate into a new pseudo rather instead of
2844 performing both a bitwise AND and a bitwise IOR in memory.
2846 2006-04-27 Richard Guenther <rguenther@suse.de>
2848 PR rtl-optimization/26685
2849 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2850 this one "max-flow-memory-locations".
2852 2006-04-27 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/25148
2855 * tree-vrp.c (compare_values): Remove code dealing with
2856 comparisons against type min/max value. Honour overflow
2857 and negative constants in code dealing with comparisons
2858 of plus and minus expressions.
2859 (value_inside_range): Use fold_binary with LE_EXPR and
2860 GE_EXPR rather than compare_values.
2862 2006-04-27 Dirk Mueller <dmueller@suse.de>
2864 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2867 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2869 * basic-block.h (safe_insert_insn_on_edge): Removed.
2870 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2872 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2873 Paolo Bonzini <bonzini@gnu.org>
2876 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2877 (simplify_and_const_int): Same.
2879 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2881 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2883 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2886 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2887 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2888 cgraph_global_info_ready.
2891 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2894 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2895 either decl or init is error_mark_node.
2898 * tree-flow.h (struct omp_region): Add sched_kind.
2899 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2900 instead of extracting omp for data.
2901 (expand_omp_for): Save extracted sched_kind.
2903 2006-04-25 Roger Sayle <roger@eyesopen.com>
2905 * expmed.c (store_bit_field): Also check whether the bitsize is
2906 valid for the machine's "insv" instruction before moving the
2907 target into a pseudo for use with the insv.
2908 * config/i386/predicates.md (const8_operand): New predicate.
2909 * config/i386/i386.md (extv, extzv, insv): Use the new
2910 const8_operand predicate where appropriate.
2912 2006-04-25 DJ Delorie <dj@redhat.com>
2914 * doc/install.texi (Specific): Clarify that this is not a list of
2915 supported hosts or targets.
2917 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2919 PR rtl-optimization/26725
2920 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2921 block's BB_DIRTY flag.
2923 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2925 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2928 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2929 to print an integer.
2931 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2933 * varasm.c (align_variable): New function.
2934 (get_block_for_decl): Apply align_variable to DECL before
2935 calculating section information.
2936 (assemble_variable): Split out alignment computation.
2938 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2940 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2943 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2945 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2946 MODE_PARTIAL_INT mode.
2947 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2948 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2950 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2951 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2953 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2955 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2957 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2958 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2959 MACFLAG_IH): Likewise.
2960 (movstricthi_1): Renamed from "*movstricthi".
2961 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2962 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2963 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2964 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2965 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2966 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2967 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2968 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2969 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2970 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2971 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2972 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2973 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2974 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2975 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2977 * doc/rtl.texi (ss_ashift): Improve wording.
2979 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2981 * dwarf2out.c (verify_marks_clear): New.
2982 (prune_unused_types): Call verify_marks_clear initially, not
2985 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2987 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2988 * doc/rtl.texi: Document them.
2989 * simplify-rtx.c (simplify_unary_operation,
2990 simplify_binary_operation_1): Don't abort when we see them.
2992 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2995 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2996 * configure.ac: Completely disregard languages that are not
2998 * configure: Regenerated.
3000 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3001 Richard Guenther <rguenther@suse.de>
3003 PR tree-optimization/27236
3004 * tree-inline.c (copy_body_r): Make sure to copy
3005 TREE_THIS_VOLATILE flag.
3007 2006-04-24 Richard Guenther <rguenther@suse.de>
3010 * tree-complex.c (update_parameter_components): Don't handle
3011 unused parameters which have no default def.
3013 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3014 Richard Guenther <rguenther@suse.de>
3016 PR tree-optimization/27218
3017 * tree-inline.c (expand_call_inline): Strip useless type
3018 conversions for the return slot address.
3020 2006-04-24 Richard Guenther <rguenther@suse.de>
3022 * cfgloop.h (struct loops): Remove unused field array. Reorder
3024 (LOOP_PREFETCH): Remove.
3026 2006-04-24 Richard Guenther <rguenther@suse.de>
3028 PR tree-optimization/22525
3029 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3030 variable, adjust types of generated expressions.
3032 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3034 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3035 (tree-vect-patterns.o): Likewise.
3037 (cselib.o): Likewise.
3038 (loop-doloop.o): Likewise.
3039 (regclass.o): Likewise.
3040 (reload1.o): Likewise.
3041 (explow.o): Replace target.h with $(TARGET_H).
3042 (ipa-prop.o): Likewise.
3043 (ipa-cp.o): Likewise.
3044 (ipa-inline.o): Likewise.
3045 (reorg.o): Likewise.
3046 (reg-stack.o): Likewise.
3048 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3050 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3052 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3054 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3056 * configure.ac: Completely disregard languages that are not
3058 * configure: Regenerated.
3061 * c-common.h (c_build_bitfield_integer_type): Declare.
3062 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3063 * c-common.c (c_build_bitfield_integer_type): ... here.
3065 2006-04-23 Roger Sayle <roger@eyesopen.com>
3068 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3069 a SImode SUBREG of a floating point register after no_new_pseudos.
3071 2006-04-23 Roger Sayle <roger@eyesopen.com>
3073 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3074 identify potentially eliminable registers to additionally catch
3075 VIRTUAL_INCOMING_ARGS_REGNUM.
3076 (addsi3): Update the conditions on when to use addsi_small_int.
3078 2006-04-23 Roger Sayle <roger@eyesopen.com>
3081 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3082 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3083 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3085 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3087 * fold-const.c (range_predecessor): Use operand_equal_p
3088 as the predicate for equality.
3089 (range_successor): Likewise.
3091 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3094 * config/soft-fp/op-common.h: Fix a typo.
3096 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3099 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3100 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3102 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3104 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3106 * doc/tm.texi: Fix a typo.
3108 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3110 * dwarf2out.c (struct die_struct): Document that die_sib makes
3111 a circular linked list.
3112 (FOR_EACH_CHILD): New.
3113 (reverse_die_lists): Delete.
3114 (reverse_all_dies): Delete.
3115 (add_dwarf_attr): Correct documentation.
3116 (remove_child_with_prev): New.
3117 (remove_child_TAG): Update for change to die_struct, use
3118 remove_child_with_prev.
3119 (add_child_die): Update for change to die_struct.
3120 (splice_child_die): Use remove_child_with_prev and add_child_die.
3121 (print_die): Use FOR_EACH_CHILD.
3122 (die_checksum): Likewise.
3123 (assign_symbol_names): Likewise.
3124 (output_location_lists): Likewise.
3125 (build_abbrev_table): Likewise.
3126 (calc_die_sizes): Likewise.
3127 (mark_dies): Likewise.
3128 (unmark_dies): Likewise.
3129 (unmark_all_dies): Likewise.
3130 (output_die): Likewise.
3131 (prune_unused_types_mark): Likewise.
3132 (prune_unused_types_walk): Likewise.
3133 (same_die_p): Update for change to die_struct.
3134 (break_out_includes): Likewise.
3135 (prune_unused_types_prune): Likewise.
3136 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3137 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3139 (dwarf2out_finish): Don't call reverse_all_dies.
3141 2006-04-21 Eric Christopher <echristo@apple.com>
3143 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3144 in comments and function names.
3146 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3149 * c-typeck.c (digest_init): Robustify.
3151 * c-typeck.c (pop_init_level): Simplify.
3153 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3155 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3157 2006-04-21 Paul Brook <paul@codesourcery.com>
3159 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3160 hardware floating point.
3162 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3164 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3167 2006-04-21 Nick Clifton <nickc@redhat.com>
3169 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3172 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3175 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3176 C++ lang type in traceback table for Objective-C++.
3178 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3180 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3182 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3184 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3187 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3188 were errors. Remove check for erroneous objects.
3190 2006-04-20 Jeff Law <law@redhat.com>
3192 PR tree-optimization/26854
3193 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3194 checking for zero or one use.
3195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3196 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3197 * tree-ssa-reassoc.c (negate_value): Similarly.
3198 (reassociate_bb): Similarly.
3200 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3202 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3203 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3204 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3206 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3208 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3209 fp regs if the last fp arg doesn't fit in regs.
3211 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3214 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3215 that the last insn has the REG_INC note.
3217 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3218 Nathan Sidwell <nathan@codesourcery.com>
3221 * stor-layout.c (update_alignment_for_field): Do not align
3223 (place_union_field): Place union field at the start of the union.
3224 (place_field): Move ERROR_MARK check later, and use the current
3225 allocation position to maintain monotonicity.
3227 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3229 * dominance.c: Include timevar.h.
3230 (calculate_dominance_info): Use TV_DOMINANCE.
3231 * timevar.def (TV_DOMINANCE): New timevar.
3232 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3234 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3236 PR rtl-optimization/14261
3237 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3238 move would be an INSV insn.
3239 (noce_process_if_block): Don't optimize if the destination is a
3240 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3242 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3244 * config/s390/s390.md: Add comments with the instructions emitted
3245 by an insn pattern if macros are used.
3247 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3249 PR rtl-optimization/26026
3250 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3251 is a known power of two shifted left a variable amount.
3253 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3255 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3256 to hash table twice when the debug_str section has SECTION_MERGE.
3258 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3260 * config/soft-fp: New directory. From glibc.
3261 * config/soft-fp/t-softfp: New.
3262 * config/soft-fp/README: New.
3263 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3264 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3265 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3266 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3267 * config.gcc: Use rs6000/t-fprules-fpbit or
3268 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3270 * config/rs6000/sfp-machine.h: New. Based on glibc.
3271 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3273 * config/rs6000/t-fprules: Remove fp-bit rules.
3274 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3275 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3276 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3277 (softfp_wrap_start, softfp_wrap_end): New.
3279 2006-04-18 DJ Delorie <dj@redhat.com>
3281 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3283 2006-04-18 Devang Patel <dpatel@apple.com>
3285 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3287 2006-04-18 Nick Clifton <nickc@redhat.com>
3289 * config/sh/t-symbian: Add rule to build sh-c.o
3290 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3291 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3292 (sh_symbian_encode_section_info): Likewise.
3294 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3296 * builtins.c (expand_builtin_strcmp): Cover label definition of
3297 do_libcall with HAVE_cmpstrnsi.
3299 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3301 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3303 * function.h (temp_slot_p): New.
3304 (function): Change the type of x_used_temp_slots to
3305 VEC(temp_slot_p,gc) *.
3307 2006-04-18 Nick Clifton <nickc@redhat.com>
3309 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3310 flag_strength_reduce.
3312 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3314 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3318 Partial revert of revision 112637
3319 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3320 Dale Johannesen <dalej@apple.com>
3323 * regclass.c (struct reg_pref): Update documentation.
3324 (regclass): Set prefclass to NO_REGS if memory is the best option.
3325 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3327 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3329 PR tree-optimization/26821
3330 * tree-ssa-math-opts.c (get_constant_one): New.
3331 (insert_reciprocals): Use it.
3333 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3335 * dwarf2out.c (free_AT): Delete.
3336 (remove_AT): Update string ref counts.
3337 (remove_child_TAG): Don't call free_die.
3339 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3340 or DW_TAG_GNU_EINCL.
3341 (prune_unused_types_walk_attribs): Reset string refcounts.
3342 (prune_unused_types_update_strings): New.
3343 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3344 call free_die. Do call prune_unused_types_update_strings.
3345 (prune_unused_types): Empty debug_str_hash.
3347 2006-04-17 Roger Sayle <roger@eyesopen.com>
3349 * expr.c (expand_assignment): Optimize away no-op moves where the
3350 source and destination are equal and have no side-effects.
3352 2006-04-17 Richard Guenther <rguenther@suse.de>
3355 * reload.c (push_reload): Guard calls to get_secondary_mem
3358 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3360 * alias.c (reg_base_value, old_reg_base_value): Change the
3361 type to VEC(rtx,gc) *.
3362 (REG_BASE_VALUE, find_base_value, record_set,
3363 init_alias_analysis): Use VEC instead of VARRAY.
3365 * alias.c (alias_sets): Change the type to
3366 VEC(alias_set_entry,gc) *.
3367 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3368 VEC instead of VARRAY.
3369 (last_alias_set): Remove.
3371 * cgraph.h (cgraph_edge_p): New.
3372 Update the prototype of cgraph_function_versioning.
3373 * cgraphunit.c (cgraph_copy_node_for_versioning,
3374 cgraph_function_versioning): Use VEC instead of VARRAY.
3375 * ipa-cp.c (ipcp_insert_stage): Likewise.
3377 2006-04-16 Roger Sayle <roger@eyesopen.com>
3380 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3381 "A op B" or "A op C", we may need to convert A to the type of B and C.
3383 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3385 * target.h (struct gcc_target): Add mode_rep_extended.
3386 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3387 (init_num_sign_bit_copies_in_rep): Initialize it using
3389 (truncate_to_mode): Use it.
3390 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3391 * targhooks.h (default_mode_rep_extended): Declare it.
3392 * targhooks.c (default_mode_rep_extended): Define it.
3393 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3394 default_mode_rep_extended.
3395 (TARGET_INITIALIZER): Include it.
3396 * doc/tm.texi (Misc): Document it.
3397 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3398 (mips_truncated_to_mode): New function.
3400 2006-04-16 Roger Sayle <roger@eyesopen.com>
3403 * expr.c (compress_float_constant): Copy the narrow constant into
3404 a new pseudo before extending it to its final width.
3406 2006-04-16 Roger Sayle <roger@eyesopen.com>
3407 Andrew Pinski <pinskia@gcc.gnu.org>
3408 Dale Johannesen <dalej@apple.com>
3411 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3412 special case code to implement V8HImode and V16QImode with SSE2.
3414 2006-04-15 Roger Sayle <roger@eyesopen.com>
3416 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3417 trees are constructed with a suitable tree type.
3419 2006-04-15 Roger Sayle <roger@eyesopen.com>
3421 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3422 (integer_onep): Likewise.
3423 (integer_all_onesp): Likewise.
3424 (integer_pow2p): Likewise.
3425 (integer_nonzerop): Likewise.
3426 (real_zerop): Likewise.
3427 (real_onep): Likewise.
3428 (real_twop): Likewise.
3429 (real_minus_onep): Likewise.
3430 (int_size_in_bytes): Likewise.
3431 (host_integerp): Likewise.
3433 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3435 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3436 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3437 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3439 * tree-ssa-structalias.h (alias_info): Remove num_references.
3441 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3443 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3444 (output_bvb patterns): Likewise.
3445 * pa.c (output_bb): Use 'bb' insn for long branch case.
3446 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3447 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3448 1. Correct length operand for alternatives 1 and 2.
3449 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3450 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3452 2006-04-14 Roger Sayle <roger@eyesopen.com>
3454 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3455 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3456 were accidentally reverted by r112959.
3458 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3461 * except.h (eh_region_outermost): New prototype.
3462 * except.c (eh_region_outermost): New function.
3463 * tree-cfg.c (find_outermost_region_in_block): Use it.
3465 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3467 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3469 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3470 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3471 (init_reload, reload): Use VEC instead of VARRAY.
3472 * reload.h: Update the prototype for
3473 reg_equiv_memory_loc_varray.
3475 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3476 Eric Botcazou <ebotcazou@libertysurf.fr>
3478 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3481 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3484 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3485 to expand fallback builtin function call.
3487 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3490 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3491 and emit libcall here in case the builtin fails.
3492 (expand_builtin_strcmp): Always emit the libcall here on failure.
3494 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3496 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3497 * flow.c (reg_n_info): Change the type to
3498 VEC(reg_info_p,heap) *.
3499 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3501 * regs.h (reg_info_p): New.
3502 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3503 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3504 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3507 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3509 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3511 * params.h (MAX_SCHED_READY_INSNS): New macro.
3512 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3513 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3514 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3515 the ready list for 1 cycle during the first scheduling pass.
3516 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3518 2006-04-13 Richard Henderson <rth@redhat.com>
3521 * gimple-low.c (lower_omp_directive): Remove dead code.
3522 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3523 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3524 * omp-low.c (struct omp_region): Move to tree-flow.h.
3525 (root_omp_region): Export.
3526 (omp_regions, lookup_omp_region): Remove.
3527 (determine_parallel_type): Update for struct omp_region changes.
3528 (dump_omp_region): Dump regions with block numbers.
3529 (new_omp_region): Take type and block instead of stmt; malloc
3531 (free_omp_region_1, free_omp_regions): New.
3532 (expand_parallel_call): Take entry_stmt as argument; update for
3533 changes to omp_region.
3534 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3535 (remove_exit_barriers): New.
3536 (expand_omp_parallel): Update for struct omp_region changes.
3537 (expand_omp_synch): Likewise.
3538 (expand_omp): Likewise.
3539 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3540 (expand_omp_for_static_chunk): Likewise.
3541 (expand_omp_for): Likewise.
3542 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3543 (expand_omp_sections): Similarly, with GOMP_sections_end.
3544 (expand_omp_single): New.
3545 (build_omp_regions_1): Update for OMP_CONTINUE.
3546 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3547 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3548 OMP_SECTIONS_SECTIONS.
3549 (lower_omp_single_simple): Don't emit barrier here.
3550 (lower_omp_single_copy): Likewise.
3551 (lower_omp_single): Fix bindings, and lower to straightline now.
3552 (lower_omp_master, lower_omp_ordered): Likewise.
3553 (lower_omp_critical): Likewise.
3554 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3555 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3556 omp edges, free it afterward.
3557 (make_omp_sections_edges): Remove.
3558 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3559 (move_stmt_r): Handle OMP_CONTINUE.
3560 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3561 statement pointers to basic blocks. Add type member.
3562 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3563 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3564 * tree-inline.c (estimate_num_insns_1): Likewise.
3565 * tree-pretty-print.c (dump_generic_node): Likewise.
3566 * tree-ssa-operands.c (get_expr_operands): Likewise.
3567 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3568 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3569 (OMP_CONTINUE): New.
3570 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3571 (OMP_SECTIONS_SECTIONS): Remove.
3572 (OMP_SECTION_LAST): New.
3573 (OMP_RETURN_NOWAIT): New.
3575 2006-04-13 Roger Sayle <roger@eyesopen.com>
3577 * fold-const.c (native_encode_vector, native_interpret_real):
3578 Correct obvious mistakes in the previous check-in.
3580 2006-04-13 Roger Sayle <roger@eyesopen.com>
3582 * fold-const.c (native_encode_expr): New function to encode
3583 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3584 or VECTOR_CST into a specified buffer.
3585 (native_encode_int): New function.
3586 (native_encode_real): New function.
3587 (native_encode_complex): New function.
3588 (native_encode_vector): New function.
3589 (native_interpret_expr): Inverse of native_encode_expr to convert
3590 a target representation into an INTEGER_CST, REAL_CST etc...
3591 (native_interpret_int): New function.
3592 (native_interpret_real): New function.
3593 (native_interpret_complex): New function.
3594 (native_interpret_vector): New function.
3595 (fold_view_convert_expr): New function to constant fold/evaluate
3596 a VIEW_CONVERT_EXPR of a suitable constant expression.
3597 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3598 Change call of build1 to fold_build1 when constructing a
3601 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3602 Ulrich Weigand <uweigand@de.ibm.com>
3605 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3608 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3611 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3612 optimize to lo_sum for DFmode if !TARGET_FPRS.
3614 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3616 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3617 delete_alias_info, compute_flow_sensitive_aliasing,
3618 group_aliases): Use VEC instead of VARRAY.
3619 * tree-ssa-structalias.c (update_alias_info): Likewise.
3620 * tree-ssa-structalias.h (alias_info): Change the type of
3621 processed_ptrs to VEC(tree,heap) *.
3623 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3626 * config/sh/lib1funcs.h: New file, broken out of:
3627 * config/sh/lib1funcs.asm.
3628 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3630 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3631 * config/sh/lib1funcs-Os-4-200.asm: New file.
3632 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3633 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3634 (EXTRA_MULTILIB_PARTS): Include it.
3635 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3636 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3637 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3638 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3641 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3643 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3644 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3645 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3647 * tree-ssa-live.h: Include vecprim.h.
3648 (tree_partition_associator_d): Change the type of
3649 first_partition to VEC(int,heap) *.
3650 (tpa_first_partition): Use VEC instead of VARRAY.
3652 * Makefile.in (GTFILES): Move functions.h after tree.h.
3653 * function.c (reset_block_changes, record_block_change,
3654 check_block_change, free_block_changes): Use VEC instead of
3656 * function.h (function): Change the type of
3657 ib_boundaries_block to VEC(tree,gc) *.
3658 * tree-inline.c (copy_cfg_body): Initialize
3659 ib_boundaries_block to NULL instead of (varray_type) 0.
3661 2006-04-12 Roger Sayle <roger@eyesopen.com>
3663 * expr.c (emit_group_store): Correct operand order in call to
3664 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3665 a SUBREG_BYTE of zero.
3667 2006-04-12 Richard Guenther <rguenther@suse.de>
3669 * profile.c (compute_branch_probabilities): Remove code
3670 encapsulated in !ir_type (), which are remanents of the
3671 removed RTL profiling code.
3672 * rtl-profile.c: Remove.
3674 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3676 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3677 magic NULL_RTX comment.
3678 (function_arg): Store entire fp arg to mem if any part should go
3680 (rs6000_arg_partial_bytes): Adjust for above change.
3682 2006-04-11 Roger Sayle <roger@eyesopen.com>
3684 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3685 if it hasn't been initialized by dwarf2out_init.
3687 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3689 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3690 symbolic constants in branch patterns.
3692 2006-04-11 Roger Sayle <roger@eyesopen.com>
3694 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3696 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3698 PR rtl-optimization/27073
3699 * gcse.c (try_replace_reg): Revert last change. Continue to search
3700 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3703 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3705 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3706 aggregate types other than record and union types.
3707 (function_arg): Likewise.
3708 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3710 (function_value): In 64-bit mode, return objects that require it
3713 2006-04-11 Roger Sayle <roger@eyesopen.com>
3715 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3717 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3719 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3721 2006-04-03 Jeff Law <law@redhat.com>
3724 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3725 alias information too.
3727 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3729 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3731 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3734 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3735 (premark_used_types_helper): New.
3736 (premark_used_types): New.
3737 (gen_subprogram_die): Call premark_used_types.
3738 (prune_unused_types_walk): Do not prune perennial dies.
3739 * function.c (used_types_insert): New.
3740 * function.h (struct function): Add used_types_hash field.
3741 (used_types_insert): Add prototype.
3742 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3743 * c-parser.c (c_parser_cast_expression): Save casted types in used
3746 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3749 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3750 rs6000_explicit_options.float_gprs.
3752 2006-04-10 Roger Sayle <roger@eyesopen.com>
3754 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3755 from ix86_expand_vector_init_low_nonzero. Take an additional
3756 one_var argument indicating which element is non-zero. Support
3757 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3758 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3759 with one_var instead of ix86_expand_vector_init_low_nonzero.
3761 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3763 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3764 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3765 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3766 build/genextract.o): Depend on vecprim.h.
3767 * cfglayout.c, df-problems.c, function.c, genextract.c,
3768 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3769 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3773 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3775 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3776 Declare VECs of this type.
3777 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3778 (remove_children): Delete.
3779 (add_dwarf_attr): Use VEC routines.
3780 (add_AT_flag): Update for changes to add_dwarf_attr.
3781 (add_AT_int): Likewise.
3782 (add_AT_unsigned): Likewise.
3783 (add_AT_long_long): Likewise.
3784 (add_AT_vec): Likewise.
3785 (add_AT_string): Likewise.
3786 (add_AT_die_ref): Likewise.
3787 (add_AT_fde_ref): Likewise.
3788 (add_AT_loc): Likewise.
3789 (add_AT_loc_list): Likewise.
3790 (add_AT_addr): Likewise.
3791 (add_AT_lbl_id): Likewise.
3792 (add_AT_lineptr): Likewise.
3793 (add_AT_macptr): Likewise.
3794 (add_AT_offset): Likewise.
3795 (add_AT_range_list): Likewise.
3796 (get_AT): Use VEC_iterate.
3797 (remove_AT): Use VEC_ordered_remove.
3798 (free_die): Fold remove_children into here; have it use VEC_iterate.
3799 (print_die): Use VEC_iterate on attrs.
3800 (reverse_die_lists): Don't reverse attr lists.
3801 (die_checksum): Use VEC_iterate on attrs.
3802 (same_die_p): Likewise.
3803 (output_location_lists): Likewise.
3804 (build_abbrev_table): Likewise.
3805 (size_of_die): Likewise.
3806 (unmark_all_dies): Likewise.
3807 (output_abbrev_section): Likewise.
3808 (output_die): Likewise.
3809 (prune_unused_types_walk_attribs): Likewise.
3811 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3813 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3815 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3818 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3820 2006-04-09 Roger Sayle <roger@eyesopen.com>
3822 * expr.c (store_constructor): Don't bother clearing target if
3823 we're about to assign a vector to it using vec_init_optab.
3825 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3827 * tree-ssa-alias.c (lhs_may_store_to): New function.
3828 (recalculate_used_alone): Handle LHS of calls.
3830 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3834 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3835 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3836 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3837 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3838 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3839 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3840 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3841 stubs. Add ".align 8" directives before all ".dword" directives.
3842 (GTHREAD_USE_WEAK): Revise comment.
3843 (TARGET_ATTRIBUTE_WEAK): Define.
3844 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3845 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3846 * stublib.c: New file.
3851 * pa.md (cbranch patterns): Revise arguments used in calls to
3852 output_cbranch, output_bb and output_bvd. Add long branch length
3854 (fbranch patterns): Handle long branches.
3855 (jump): Revise length check. Revise arguments for output_lbranch call.
3856 Add long branch length attributes.
3857 (decrement_and_branch_until_zero): Add long branch length attributes.
3858 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3859 Likewise. Revise arguments for output_parallel_addb and
3860 output_parallel_movb calls.
3861 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3862 output_parallel_movb and output_parallel_addb): Update prototypes.
3863 * pa.c (output_cbranch): Revise arguments. Correct handling of
3864 nullification in long branches.
3865 (output_lbranch): Add new argument to control extraction of delay
3867 (output_bb): Handle long branches.
3868 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3869 output_parallel_addb): Likewise.
3871 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3873 PR rtl-optimization/27073
3874 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3877 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3879 * tree.h (tree_memory_tag): Add old_used_alone.
3880 (SMT_OLD_USED_ALONE): New macro.
3881 * tree-ssa-alias.c (recalculate_used_alone): Stop
3882 marking things for renaming unnecessarily.
3884 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3886 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3887 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3888 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3889 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3890 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3891 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3892 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3893 spelling convensions.
3894 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3895 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3896 typos. Follow spelling conventions.
3898 2006-04-07 DJ Delorie <dj@redhat.com>
3900 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3901 passed on the stack.
3902 (m32c_init_cumulative_args): When a function returns a structure,
3903 always pass the pointer to that return area on the stack.
3904 (m32c_function_arg_advance): Don't increment the parameter number
3905 if we're processing the returned structure pointer.
3906 (pushm_info): Reverse order of registers.
3908 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3910 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3911 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3912 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3913 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3915 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3916 chrec_fold_multiply): Same.
3917 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3918 force_expr_to_var_cost): Same.
3919 * tree-mudflap.c (mf_xform_derefs_1): Same.
3920 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3922 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3924 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3925 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3928 2006-04-07 Jan Hubicka <jh@suse.cz>
3930 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3932 2006-04-07 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/26135
3935 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3936 loads for store copy-prop.
3937 (copy_prop_visit_stmt): Likewise.
3939 2006-04-05 Robert Millan <robertmh@gnu.org>
3941 * config/i386/linux.h: Add a comment to mark macros that are
3942 being overriden in config/k*bsd-gnu.h.
3943 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3945 * config/knetbsd-gnu.h: Ditto.
3947 2006-04-06 Jan Hubicka <jh@suse.cz>
3951 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3954 2006-04-06 Mike Stump <mrs@apple.com>
3956 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3957 for HAVE_nonlocal_goto to be consistent.
3958 (expand_builtin_nonlocal_goto): Likewise.
3959 (expand_builtin_strcmp): Use #ifdef instead of #if
3960 for HAVE_cmpstrnsi to be consistent.
3962 2006-04-05 DJ Delorie <dj@redhat.com>
3964 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3967 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3969 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3970 got-relative addressing for anything but SImode.
3972 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3973 even if the calling function doesn't modify them.
3975 2006-04-05 Richard Guenther <rguenther@suse.de>
3977 PR tree-optimization/26919
3978 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3979 to cgraph_estimate_size_after_inlining.
3981 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3983 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3985 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3987 PR tree-optimization/26996
3988 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3989 VECTOR_TYPE variables.
3991 2006-04-05 Richard Guenther <rguenther@suse.de>
3993 PR tree-optimization/26763
3994 * fold-const.c (fold_comparison): Move folding of
3995 PTR + CST CMP PTR + CST ...
3996 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3998 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4000 * doc/install.texi (Prerequisites): Refine some wording on
4001 bootstrapping and ksh.
4002 Move the version numbers of DejaGnu here from the testing section
4003 and fix casing of names.
4004 Fix markup and clarify wording for autogen requirements.
4005 Refer to GCJ instead of just java.
4006 Refer to SVN instead of CVS.
4007 Describe diffutils as useful instead of necessary.
4008 (Downloading the source): Refer to SVN instead of CVS.
4009 Adjust a link to our web site accordingly.
4010 (Configuration): Fix casing of Bison.
4011 (Building): Refer to SVN instead of CVS.
4012 Fix a sentence on the use of Bison and remove duplicate (and
4013 incorrect) version number of Bison requirement.
4014 Remove one redundant list of packages needed for building.
4015 (Specific): Avoid reference to CVS.
4017 2006-04-04 Eric Christopher <echristo@apple.com>
4019 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4020 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4021 (rs6000_handle_struct_attribute): New.
4022 (rs6000_ms_bitfield_layout_p): Ditto.
4024 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4026 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4027 NULL for dso parameter to atexit_common.
4029 2006-04-04 Eric Christopher <echristo@apple.com>
4031 * config/i386/i386.c (machopic_output_stub): Output \t
4032 between instructions and operands.
4034 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4036 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4037 satisfies_constraint_[IL] to explicit tests on value.
4039 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4041 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4042 set_nb_iterations_in_loop): Use build_int_cst instead of
4044 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4045 build_int_cst instead of convert.
4047 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4049 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4050 new value 2 for incoming.
4051 * function.c (expand_function_start): Call struct_value_rtx
4053 * config/sparc/sparc.md: Comment updated_return.
4054 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4055 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4056 struct return if sparc_std_struct_return and incoming is 2.
4057 (print_operand): Do not adjust return if
4058 sparc_std_struct_return.
4060 2006-04-04 Roger Sayle <roger@eyesopen.com>
4062 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4063 convert in the middle-end.
4064 * expr.c (store_expr, store_constructor, get_inner_reference,
4065 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4067 * tree.c (build_range_type): Likewise.
4069 2006-04-04 Tom Tromey <tromey@redhat.com>
4071 * doc/install.texi (Prerequisites): Mention jar.
4073 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4075 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4078 2006-04-04 Matthias Klose <doko@debian.org>
4080 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4081 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4084 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4086 * doc/extend.texi (Function Attributes): Rewrite visibility
4087 attribute documentation.
4088 * doc/invoke.texi (C++ Dialect Options): Rewrite
4089 -fvisibility-inlines-hidden documentation to describe something
4090 entirely different, although in practise compatible.
4091 (Code Gen Options): Warn about system headers in -fvisibility=
4094 * doc/extend.texi (Other Builtins): Document that
4095 __builtin_nan is a compile-time constant only when its argument
4098 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4100 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4101 trying to remove TRUNCATE check if all bits outside the new mode
4102 are identical to the sign bit.
4104 2006-04-03 Jeff Law <law@redhat.com>
4106 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4107 and operand scanning in some common cases.
4109 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4110 Dale Johannesen <dalej@apple.com>
4113 * regclass.c (struct reg_pref): Update documentation.
4114 (regclass): Set prefclass to NO_REGS if memory is the best option.
4115 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4116 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4117 into account. For non-registers, equate an empty preferred
4118 reload class to a `!' in the constraint; move the if clause to
4119 do so after those that reject the insn.
4120 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4122 (find_dummy_reload): Likewise.
4123 * doc/tm.texi (Register Classes): Document what it means
4124 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4125 * config/i386/i386.c (ix86_preferred_reload_class): Force
4126 using SSE registers (and return NO_REGS for floating-point
4127 constants) if math is done with SSE.
4128 (ix86_preferred_output_reload_class): New.
4129 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4130 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4131 * config/i386/i386.md: Remove # register preferences.
4133 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4136 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4137 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4138 the type of nb_iter.
4139 (instantiate_parameters_1): Convert the operands before calling
4140 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4141 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4143 2006-04-02 Roger Sayle <roger@eyesopen.com>
4145 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4146 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4148 * dojump.c (do_jump): Likewise.
4149 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4150 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4151 gimplify_boolean_expr): Likewise.
4152 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4153 * varasm.c (array_size_for_constructor): Likewise.
4154 * tree-object-size.c (compute_object_offset): Likewise.
4156 2006-04-02 Roger Sayle <roger@eyesopen.com>
4159 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4160 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4162 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4164 PR tree-optimization/26939
4165 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4167 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4169 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4170 at_stmt. Convert the type of operands before calling
4171 build_polynomial_chrec.
4172 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4174 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4175 (instantiate_parameters_1): Convert the type of operands before calling
4176 build_polynomial_chrec.
4177 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4178 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4179 reset_evolution_in_loop): Insert asserts to check the types of the
4181 (chrec_type): Moved...
4182 (eq_evolutions_p): Use operand_equal_p.
4183 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4184 the types of the operands.
4185 (chrec_type): ...here.
4186 * tree-data-ref.c (create_data_ref): Convert the operands before
4187 calling chrec_replace_initial_condition.
4188 (same_access_functions, analyze_subscript_affine_affine,
4189 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4190 (compute_subscript_distance, analyze_ziv_subscript,
4191 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4192 analyze_miv_subscript): Convert the operands before calling
4193 chrec_fold_minus or chrec_fold_plus.
4195 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4197 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4198 the dependence_relations vector.
4199 (compute_data_dependences_for_loop): Adjust call to
4200 compute_all_dependences.
4202 2006-04-01 Roger Sayle <roger@eyesopen.com>
4203 Richard Henderson <rth@redhat.com>
4205 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4206 gimple_boolify on the condition before calling gimplify_expr.
4208 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4210 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4211 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4212 the frame size. Update to use the new macros.
4213 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4214 * config/xtensa/ieee754-df.S: Likewise.
4216 2006-03-31 Richard Henderson <rth@redhat.com>
4218 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4219 (make_edges): ... here. Control fallthru creation with a local
4220 variable. Do not play with fake edges.
4221 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4222 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4225 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4227 * dwarf2.h (DW64_CIE_ID): Define.
4228 * dwarf2out.c (DWARF_CIE_ID): Define.
4229 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4230 length header. Use DWARF_CIE_ID.
4231 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4232 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4234 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4236 * config/sh/linux-atomic.asm: New file.
4237 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4239 2006-03-31 DJ Delorie <dj@redhat.com>
4241 * config/m32c/cond.md: Set condition flags properly throughout.
4242 * config/m32c/minmax.md: Likewise.
4243 * config/m32c/prologue.md: Likewise.
4244 * config/m32c/bitops.md: Likewise.
4245 * config/m32c/muldiv.md: Likewise.
4246 * config/m32c/mov.md: Likewise.
4247 * config/m32c/addsub.md: Likewise.
4248 * config/m32c/m32c.md: Likewise.
4249 * config/m32c/jump.md: Likewise.
4250 * config/m32c/shift.md: Likewise.
4252 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4253 conditionally output the pattern for this.
4254 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4255 (m32c_compare_redundant): New.
4256 (m32c_output_compare): New.
4257 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4259 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4260 dest, not src. Allow other 4-byte modes.
4262 2006-03-30 Denis Chertykov <denisc@overta.ru>
4264 * doc/md.texi: Refer to avr/constraints.md instead of
4267 2006-03-30 Roger Sayle <roger@eyesopen.com>
4269 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4270 signed vs. unsigned comparison failures on some hosts.
4272 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4275 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4276 change to FLOAT_REGS.
4278 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4279 (rs6000_override_options): Use it.
4280 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4281 only for -mabi=spe/no-spe and -mabi=altivec.
4283 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4285 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4288 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4290 * Makefile.in: Rename docdir to gcc_docdir.
4292 2006-03-30 Roger Sayle <roger@eyesopen.com>
4295 * expr.c (emit_group_store): Optimize group stores into a pseudo
4296 register by using a paradoxical subreg to initialize the destination
4297 if the first or last member of the group specifies a "low part".
4299 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4302 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4303 * target.h (struct gcc_target.speculate_insn): Change type of the
4304 second parameter to 'int'.
4305 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4306 the second operand of the DEPS_LIST.
4307 (copy_DEPS_LIST_list): Update reference to the second operand of the
4309 * rtl.h (alloc_DEPS_LIST): Update signature.
4310 * sched-int.h (ds_t): Change typedef to 'int'.
4311 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4313 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4315 * haifa-sched.c (try_ready): Change condition to restore
4316 non-speculative pattern of the instruction.
4317 (process_insn_depend_be_in_spec): Code to keep probability of the
4318 speculative dependence non-decreasing.
4320 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4322 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4323 (single_move_for_movmem): ... this. Also change all uses.
4324 (bfin_expand_strmov): Renamed to...
4325 (bfin_expand_movmem): ... this. Also change all uses.
4326 * config/bfin/bfin.md (movstrsi): Renamed to...
4327 (movstrsi): ...this.
4329 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4331 PR tree-optimization/26830
4333 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4334 (copy_prop_visit_stmt): Remove write-only variable ann.
4335 (init_copy_prop): Check variable loop depth here. Do not simulate
4336 memory-tag and virtual operand PHIs except for store copy prop.
4338 2006-03-30 Richard Guenther <rguenther@suse.de>
4340 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4341 variants with double arguments.
4343 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4345 * genpreds.c (write_tm_constrs_h): Delete variable p.
4346 * genconditions.c (write_header): Add tm-constrs.h to included
4348 * genpeep.c (main): Add toplev.h to included headers.
4349 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4350 (build/genpeep.o): Add toplev.h dependency.
4351 * config/rs6000/constraints.md: Add "W" constraint.
4353 2006-03-29 Roger Sayle <roger@eyesopen.com>
4355 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4356 sizes by correctly testing whether the size fits a host integer.
4357 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4358 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4359 SImode range for the default sizetype and bitsizetype.
4361 2006-03-29 Roger Sayle <roger@eyesopen.com>
4363 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4364 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4365 quickly if the argument is already of the correct type.
4366 Call fold_build1 instead of build1. Tidy up blank lines.
4368 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4370 * genemit.c (main): Add tm-constrs.h to included headers.
4371 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4372 * genpeep.c (main): Add tm-constrs.h to included headers.
4373 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4374 (write_tm_constrs_h): this and write complete file.
4375 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4376 (write_insn_preds_c): Add tm-constrs.h to included headers.
4377 (gen_constrs): New variable.
4378 (parse_option): Parse "-c".
4379 (main): Invoke write_tm_constrs_h.
4380 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4381 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4382 (object_out_file): Add tm-constrs.h dependency.
4383 (insn-emit.o): Same.
4384 (insn-output.o): Same.
4385 (insn-peep.o): Same.
4386 (insn-preds.o): Same.
4387 (insn-recog.o): Same.
4388 (tm-constsr.h): New target.
4389 (s-constrs-h): New target.
4391 * config/rs6000/constraints.md: New file.
4392 * config/rs6000/rs6000.c: Include tm-constrs.h.
4393 (num_insn_constant_wide): Convert to satisfies_constraint.
4394 (rs6000_rtx_costs): Convert to satisfies_constraint.
4395 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4396 (CONST_OK_FOR_LETTER_P): Delete.
4397 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4398 (EXTRA_CONSTRAINT): Delete.
4399 (EXTRA_MEMORY_CONSTRAINT): Delete.
4400 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4401 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4402 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4403 satisfies_constraint.
4405 * config/i386/i386.c: Include tm-constrs.h.
4407 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4409 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4410 * tree-data-ref.c (find_data_references_in_loop,
4411 compute_data_dependences_for_loop): Use pointers to VEC.
4412 (analyze_all_data_dependences): Adjust calls.
4413 * tree-data-ref.h (find_data_references_in_loop,
4414 compute_data_dependences_for_loop): Adjust declarations.
4415 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4416 compute_data_dependences_for_loop.
4418 2006-03-29 Paul Brook <paul@codesourcery.com>
4420 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4423 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4425 PR tree-optimization/26859
4426 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4428 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4429 for the step after fold_convert.
4431 2006-03-29 Paul Brook <paul@codesourcery.com>
4433 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4434 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4436 2006-03-29 Paul Brook <paul@codesourcery.com>
4439 * targhooks.c (default_narrow_bitfield): New fuction.
4440 * targhooks.h (default_narrow_bitfield): add prototype.
4441 * target.h (gcc_target): Add narrow_volatile_bitfield.
4442 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4443 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4444 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4445 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4447 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4449 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4451 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4452 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4453 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4454 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4455 (s390_function_arg_float): Allow SDmode and DDmode values to be
4456 passed in floating point registers.
4457 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4458 check with SCALAR_FLOAT_MODE_P.
4459 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4461 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4463 PR tree-optimization/25985
4464 * tree-ssa-loop-niter.c (number_of_iterations_le,
4465 number_of_iterations_ne): Make comments more precise.
4466 (number_of_iterations_cond): Add only_exit argument. Use the
4467 fact that signed variables do not overflow only when only_exit
4469 (loop_only_exit_p): New.
4470 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4471 number_of_iterations_cond.
4473 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4475 PR tree-optimization/26643
4476 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4479 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4481 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4482 (divsi3_i4_int): Likewise.
4484 2006-03-28 Roger Sayle <roger@eyesopen.com>
4486 * expr.c (emit_group_store): Only create a new pseudo reg if the
4487 quantity it needs to hold isn't already a suitable pseudo.
4489 2006-03-28 Jeff Law <law@redhat.com>
4491 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4492 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4494 2006-03-28 Roger Sayle <roger@eyesopen.com>
4496 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4497 the equivalent ~X & Y, and the symmetry related transformations.
4498 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4499 ~X & Y, and symmetry related transforms.
4501 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4503 Revert my 2006-03-27 patches.
4505 2006-03-28 Roger Sayle <roger@eyesopen.com>
4507 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4508 ~(T1)X, when T1 and T2 are integer types of the same precision
4509 and (T2)X isn't an extension.
4511 2006-03-28 Jeff Law <law@redhat.com>
4513 PR tree-optimization/26796
4514 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4515 need EH edge cleanups rather than purging them immediately.
4516 (eliminate_degenerate_phis): Handle queued EH cleanups.
4518 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4520 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4523 2006-03-27 Roger Sayle <roger@eyesopen.com>
4526 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4527 cast BIT_NOT_EXPR operand to the correct type.
4529 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4531 * tree-loop-linear.c: Don't include varray.h.
4532 (gather_interchange_stats, try_interchange_loops,
4533 linear_transform_loops): Use VEC instead of VARRAY.
4534 * lambda-mat.c: Don't include varray.h.
4535 * tree-chrec.c: Same.
4536 * lambda-trans.c: Same.
4537 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4538 VEC instead of VARRAY.
4539 * tree-vectorizer.h: Idem.
4540 * tree-data-ref.c (dump_data_references,
4541 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4542 initialize_data_dependence_relation, finalize_ddr_dependent,
4543 compute_all_dependences, find_data_references_in_loop,
4544 compute_data_dependences_for_loop, analyze_all_data_dependences,
4545 free_dependence_relation, free_dependence_relations,
4546 free_data_refs): Idem.
4547 * tree-data-ref.h (data_reference_p, subscript_p): New.
4548 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4549 VEC instead of VARRAY.
4550 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4551 (find_data_references_in_loop, compute_data_dependences_for_loop,
4552 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4553 dump_data_dependence_relations, free_dependence_relations,
4554 free_data_refs): Adjust declaration.
4555 (lambda_transform_legal_p): Move declaration here...
4556 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4557 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4558 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4559 vect_analyze_data_refs): Use VEC instead of VARRAY.
4560 * lambda.h (lambda_transform_legal_p): ...from here.
4561 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4562 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4563 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4564 tree-chrec.o): Don't depend on VARRAY_H.
4566 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4568 * rtl.def (Copyright): Update date.
4569 (DEPS_LIST): Change type of the second operand to 'int'.
4570 * target.h (Copyright): Update date.
4571 (struct gcc_target.speculate_insn): Change type of the second parameter
4573 * lists.c (Copyright): Update date.
4574 (alloc_DEPS_LIST): Change signature. Update reference to the second
4575 operand of the DEPS_LIST.
4576 (copy_DEPS_LIST_list): Update reference to the second operand of the
4578 * rtl.h (Copyright): Update date.
4579 (alloc_DEPS_LIST): Update signature.
4580 * sched-int.h (Copyright): Update date.
4581 (ds_t): Change typedef to 'int'.
4582 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4584 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4586 * haifa-sched.c (Copyright): Update date.
4587 (try_ready): Change condition to restore non-speculative pattern
4589 (process_insn_depend_be_in_spec): Code to keep probability of the
4590 speculative dependence non-decreasing.
4592 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4594 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4595 shut up the compiler.
4597 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4599 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4600 to use lib prefix for target.
4601 ($(T)libic_invalidate_array_4-200.a): Likewise.
4602 ($(T)libic_invalidate_array_4a.a): Likewise.
4604 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4605 J"orn Rennecke <joern.rennecke@st.com>
4607 * superh.opt: New file.
4608 * sh.c (boardtype, osruntime): Remove.
4609 * superh.h (SUBTARGET_OPTIONS): Remove.
4610 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4612 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4613 arguments with ^ and/or [].
4615 * config.gcc (sh-*-*): Add quoting to account for quirk of
4617 Replace == with = in enable_incomplete_targets test.
4619 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4620 with MASK_LITTLE_ENDIAN.
4622 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4623 * config/sh/sh.opt: Added to some comments.
4624 * config/sh/superh.h: Removed some chaff.
4626 * config/sh/sh.opt: Add m4-[1234]00* options.
4627 * config/sh/sh.c (sh_handle_option): Likewise.
4628 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4629 (ic_invalidate_array_4-100.o): New rule.
4630 ($(T)libic_invalidate_array_4-100.a): Likewise.
4631 (ic_invalidate_array_4-200.o): Likewise.
4632 ($(T)libic_invalidate_array_4-200.a): Likewise.
4633 (ic_invalidate_array_4a.o): Likewise.
4634 ($(T)libic_invalidate_array_4a.a): Likewise.
4635 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4636 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4638 * config/sh/crt1.asm: Merged in profiling code.
4639 * config/sh/superh.h (STARTFILE_SPEC): Override.
4640 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4641 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4642 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4644 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4645 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4646 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4648 * sh.opt (mpretend-cmove): New option.
4649 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4650 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4651 (movsicc): Add TARGET_PRETEND_CMOVE code.
4653 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4655 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4656 s390_class_max_nregs): New function prototypes.
4657 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4658 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4659 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4660 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4662 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4664 * dwarf2out.c (add_location_or_const_value_attribute): Call
4665 tree_add_const_value_attribute if nothing else works.
4666 (reference_to_unused): New.
4667 (rtl_for_decl_init): Use reference_to_unused to decide whether
4668 to output an initializer.
4670 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4673 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4674 peephole removing spe frob_di_df_2.
4676 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4678 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4679 (subscript_dependence_tester_1): Declared.
4680 (print_dir_vectors, print_dist_vectors): New.
4681 (debug_data_dependence_relation): New.
4682 (dump_data_dependence_relation): Print more details.
4683 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4684 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4685 (save_dist_v, save_dir_v, add_outer_distances,
4686 build_classic_dist_vector_1): New.
4687 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4688 Don't test for lambda_vector_lexico_pos.
4689 (same_access_functions, add_multivariate_self_dist,
4690 add_other_self_distances, dir_from_dist): New.
4691 (build_classic_dir_vector): Replace implementation almost identical to
4692 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4694 (subscript_dependence_tester_1): New.
4695 (subscript_dependence_tester): Handle the lexicographically negative
4696 distance vectors by recomputing the dependence relation.
4697 (compute_affine_dependence): Remove parameter loop_nest_depth.
4698 (compute_self_dependence): Don't call compute_subscript_distance.
4699 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4700 Add a parameter for the loop_nest.
4701 (find_loop_nest_1, find_loop_nest): New.
4702 (compute_data_dependences_for_loop): Compute the loop nest, and give
4703 up if the nest is not well formed.
4704 * tree-data-ref.h (loop_p): New.
4705 (struct data_dependence_relation): Replace size_vect field with
4706 loop_nest, a vec of loops.
4707 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4708 (DDR_LOOP_NEST): New.
4709 (print_dir_vectors, print_dist_vectors,
4710 debug_data_dependence_relation): Declared.
4711 (index_in_loop_nest): New.
4712 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4713 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4716 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4718 * simplify-rtx.c (simplify_relational_operation): Call
4719 simplify_relational_operation_1 even if mode is VOIDmode.
4721 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4723 PR tree-optimization/26804
4724 * tree.h (DECL_CALL_CLOBBERED): New macro.
4725 (tree_decl_common): Add call_clobbered_flag.
4726 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4727 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4728 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4729 (mark_non_addressable): Ditto.
4730 * tree-ssa.c (verify_call_clobbered): New function.
4731 (verify_alias_info): Use it.
4732 * tree-pass.h (pass_reset_cc_flags): New prototype.
4733 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4734 (reset_cc_flags): New function.
4735 * passes.c (init_optimization_passes): Call reset_cc_flags after
4736 initializing referenced_vars.
4738 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4739 Roger Sayle <roger@eyesopen.com>
4742 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4743 to 1.0 for non-real operands. Implement A / A optimization for
4746 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4748 * config/i386/i386.c (size_cost): Correct the comment for
4749 cost of storing fp registers.
4750 (i386_cost): Likewise.
4751 (i486_cost): Likewise.
4752 (pentium_cost): Likewise.
4753 (pentiumpro_cost): Likewise.
4754 (k6_cost): Likewise.
4755 (athlon_cost): Likewise.
4756 (k8_cost): Likewise.
4757 (pentium4_cost): Likewise.
4758 (nocona_cost): Likewise.
4759 (generic64_cost): Likewise.
4760 (generic32_cost): Likewise.
4762 2006-03-24 Denis Chertykov <denisc@overta.ru>
4764 * config/avr/avr-protos.h (extra_constraint): Delete.
4765 (extra_constraint_Q): New declaration.
4766 * config/avr/constraints.md: New file.
4767 * config/avr/avr.md: Include it.
4768 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4769 (TMP_REGNO, ZERO_REGNO): Likewise.
4770 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4771 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4772 (extra_constraint): Delete.
4773 (extra_constraint_Q): Test for memory constraint 'Q'.
4774 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4775 (REG_CLASS_FROM_LETTER): Delete.
4776 (CONST_OK_FOR_LETTER_P): Delete.
4777 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4778 (EXTRA_CONSTRAINT): Delete.
4779 (TMP_REGNO): Delete.
4780 (ZERO_REGNO): Delete.
4782 2006-03-24 Jeff Law <law@redhat.com>
4784 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4785 directly. Call mark_new_vars_to_rename slightly earlier.
4787 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4789 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4791 (gen_compile_unit_die): Use new language types for Objective-C and
4793 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4794 DW_LANG_C_plus_plus.
4797 * config/t-darwin (crt3.o): Work around bug 26840.
4798 * config/darwin-crt3.c: Rewrite.
4799 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4801 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4803 * doc/invoke.texi: Document -femit-class-debug-always
4804 * common.opt: Add -femit-class-debug-always.
4806 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4808 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4809 index and base register.
4810 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4811 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4812 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4813 REGNO_OK_FOR_INDEX_P.
4814 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4816 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4817 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4818 REG_OK_FOR_BASE_P): Definitions removed.
4820 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4823 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4824 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4825 set yet or weren't marked as local yet.
4827 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4829 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4832 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4834 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4835 (rs6000_legitimate_small_data_p): Delete.
4836 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4837 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4838 and make static. Add forward declaration. Update uses.
4839 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4840 of offsettable_memref_p.
4841 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4842 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4844 2006-03-24 Jeff Law <law@redhat.com>
4846 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4847 around bug in immediate-use iterator.
4849 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4852 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4853 or __LITTLE_ENDIAN__.
4855 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4857 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4858 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4859 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4860 * config/sh/sh.opt (mdiv=): Amend description.
4861 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4862 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4863 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4864 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4865 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4866 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4867 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4868 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4869 TARGET_DIVIDE_CALL_FP.
4871 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4873 * haifa-sched.c (choose_ready): Fix type of the local variable.
4874 Move local variables. Add comment.
4875 (check_reg_live): Change signature. Make callable from debugger.
4876 * sched-int.h (check_reg_live): Update signature.
4877 * sched-ebb.c (check_reg_live): Update parameters.
4878 * sched-rgn.c (check_reg_live): Ditto.
4879 (region_head_or_leaf_p): Check pointer before dereferencing.
4880 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4881 before reload on optimization levels below 1.
4883 2006-03-23 Richard Henderson <rth@redhat.com>
4885 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4889 * config/alpha/predicates.md (local_symbolic_operand): Reject
4892 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4895 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4896 expressions which have overflowed constants.
4898 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4900 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4902 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4904 * cfgloopmanip.c (create_loop_notes): Removed.
4905 * final.c (final_scan_insn): Do not handle loop notes.
4906 * jump.c (squeeze_notes): Ditto.
4907 * cfglayout.c (skip_insns_after_block,
4908 duplicate_insn_chain): Ditto.
4909 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4911 * cfgloop.h (create_loop_notes): Declaration removed.
4913 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4915 * varasm.c (output_constant_pool): Restore fnname and fndecl
4917 (assemble_start_function): Adjust call accordingly.
4918 (assemble_end_function): Likewise.
4920 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4923 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4926 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4928 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4931 * system.h (ICE_EXIT_CODE): New macro.
4932 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4933 (diagnostic_action_after_output): Likewise.
4934 * gcc.c (fatal_ice): New function.
4935 (execute): Use it instead of fatal.
4936 (fancy_abort): Likewise.
4937 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4939 2006-03-22 Jeff Law <law@redhat.com>
4941 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4942 iv_analyze_result returning false.
4944 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4946 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4948 2006-03-22 Richard Henderson <rth@redhat.com>
4951 * except.c (duplicate_eh_regions_0): New.
4952 (duplicate_eh_region_1): Duplicate the children of the node as
4953 well as the node itself. Link them up properly.
4954 (duplicate_eh_region_2): Merge into ...
4955 (duplicate_eh_regions): ... here. Take copy_region argument, and
4956 copy only a sub-tree if asked. Simplify copying and fixup.
4957 (eh_region_outer_p): New.
4958 * except.h (duplicate_eh_regions): Update decl.
4959 (eh_region_outer_p): Declare.
4960 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4961 (lower_omp_master): Likewise.
4962 (lower_omp_ordered): Likewise.
4963 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4964 (move_stmt_r): Use it to remap labels. Handle recursion vs
4965 remap_decls_p properly.
4966 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4967 (find_outermost_region_in_block): New.
4968 (new_label_mapper): New.
4969 (move_sese_region_to_fn): Copy eh information to the new function
4971 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4973 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4976 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4978 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4979 into shared libraries.
4981 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4983 * doc/md.texi: Refer to i386/constraints.md instead of
4985 * config/i386/constraints.md: New file, extracted from...
4986 * config/i386/predicates.md: ...here.
4987 * config/i386/i386.md: Include constraints.md.
4989 2006-03-21 Jason Merrill <jason@redhat.com>
4991 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4994 * expr.c (init_block_move_fn): Force default visibility.
4995 (init_block_clear_fn): Likewise.
4996 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4997 * targhooks.c (default_external_stack_protect_fail): Likewise.
4999 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5001 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5002 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5003 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5004 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5005 (loadgp): Use mips_current_loadgp_style.
5006 (loadgp_noshared): New pattern.
5007 (sibcall_internal): Use MIPS_CALL.
5008 (sibcall_value_internal): Likewise.
5009 (sibcall_value_multiple_internal): Likewise.
5010 (call_internal): Likewise.
5011 (call_value_internal): Likewise.
5012 (call_value_multiple_internal): Likewise.
5013 (call_split): Use MIPS_CALL and add an 'S' constraint.
5014 (call_value_split): Likewise.
5015 (call_value_multiple_split): Likewise.
5016 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5017 (-mshared): New option.
5018 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5019 (mips_current_loadgp_style): Declare.
5020 * config/mips/mips.c (mips_classify_symbol): Avoid using
5021 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5022 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5023 TARGET_ABSOLUTE_ABICALLS.
5024 (override_options): Adjust comments. Improve the warning that is
5025 issued when -mabicalls and -G are used together.
5026 (mips_file_start): Remove comment.
5027 (mips_current_loadgp_style): New function.
5028 (mips_gnu_local_gp): New variable.
5029 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5031 (mips_output_function_prologue): Use mips_current_laodgp_style.
5032 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5033 the cprestore instruction.
5034 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5035 live for TARGET_ABSOLUTE_ABICALLS.
5036 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5037 (ASM_SPEC): Pass down -mshared and -mno-shared.
5038 (MIPS_CALL): New macro.
5039 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5041 * doc/invoke.texi (-mabicalls): Update documentation.
5042 (-mshared): Document.
5044 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5046 * config/ia64/unwind-hpux.c: New file.
5047 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5049 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5052 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5054 2006-03-21 Jeff Law <law@redhat.com>
5056 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5057 type conversions of a VR_VARYING source to a wider type.
5059 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5061 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5062 tm_file on Solaris 10 and later.
5063 (sparc64-*-solaris2*): Likewise.
5064 (sparc-*-solaris2*): Likewise.
5065 * config/sol26.h: Rename to config/sol2-6.h.
5066 * config/sol2-10.h: New file.
5068 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5071 * tree-ssa-pre.c (create_component_ref_by_pieces):
5074 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5077 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5078 return it immediately.
5080 2006-03-21 Michael Matz <matz@suse.de>
5082 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5084 (remove_arc, add_arc): Update num_out_arcs member.
5085 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5087 (cache_presence): New function.
5088 (compare_states_for_equiv): New function.
5089 (state_is_differed): Don't take number of outargs, adjust callers.
5090 Use new invariant for speeding up.
5091 (init_equiv_class): Create initial classes based on sorted
5093 (partition_equiv_class): Don't track out_arcs_num.
5094 (evaluate_equiv_classes): Call cache_presence on all states and
5097 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5099 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5100 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5101 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5102 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5104 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5105 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5106 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5107 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5108 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5110 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5111 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5112 (REGNO_REG_CLASS): ARGP is in PREGS.
5113 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5115 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5116 to deal with those addresses.
5117 * addresses.h: New file.
5118 * caller-save.c: Include "addresses.h".
5119 (init_caller_save): Use new base_reg_class function.
5120 * rtl-factoring.c: Include "addresses.h".
5121 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5122 * recog.c: Include "addresses.h".
5123 (preprocess_constraints): Use new base_reg_class function.
5124 * regrename.c: Include "addresses.h".
5125 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5126 functions. Keep track of a new var INDEX_CODE to compute valid
5128 (replace_oldest_value_addr): Likewise.
5129 (replace_oldest_value_mem): Use base_reg_class.
5130 * reload.c: Include "addresses.h".
5131 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5132 (find_reloads): Use new base_reg_class function.
5133 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5134 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5135 all callers and prototype changed.
5136 * reload1.c: Include "addresses.h".
5137 (maybe_fix_stack_asms): Use base_reg_class.
5138 * regclass.c: Include "addresses.h".
5139 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5140 (init_reg_autoinc): Use new base_reg_class function.
5141 (record_reg_classes): Likewise.
5142 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5143 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5144 Use new args to compute necessary class.
5146 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5147 regrename.o, rtl-factoring.o): Update dependencies.
5148 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5149 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5150 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5151 REG_OK_FOR_INDEX_P): Delete documentation.
5153 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5155 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5156 from V7 to V9 for Solaris 7 and above.
5158 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5160 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5161 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5162 argument pointers may not alias any other storage.
5163 * common.opt: Define option -fargument-noalias-anything.
5164 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5165 alias semantics is specified by flag_argument_noalias > 2.
5167 2006-03-20 Jeff Law <law@redhat.com>
5169 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5170 (pass_phi_only_cprop): Declare.
5171 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5173 * tree-ssa-dom.c (degenerate_phi_result): New function.
5174 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5175 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5176 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5177 (eliminate_degenerate_phis): Likewise.
5178 (pass_phi_only_cprop): New pass descriptor.
5179 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5180 support code. Callers updated.
5181 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5182 (store_copy_prop): Likewise.
5183 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5185 2006-03-20 Jason Merrill <jason@redhat.com>
5188 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5189 (push_visibility, pop_visibility): Likewise.
5190 * c-pragma.h: Declare them.
5192 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5194 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5196 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5197 parameter and use get_ebb_head_tail.
5198 (sh_md_init_global): Adjust uses of find_regmode_weight.
5200 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5202 * function.h (struct function) <x_tail_recursion_reentry>:
5203 Rename to x_stack_check_probe_note.
5204 (tail_recursion_reentry): Rename to stack_check_probe_note.
5205 * function.c: Replace tail_recursion_reentry with
5206 stack_check_probe_note everywhere.
5207 (expand_function_start): Only emit a note for
5208 stack_check_probe_note with -fstack-protect.
5209 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5211 * emit-rtl.c (remove_unnecessary_notes): Remove.
5212 (pass_remove_unnecessary_notes): Remove.
5213 * rtl.h (remove_unnecessary_notes): Remove prototype.
5214 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5215 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5216 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5218 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5221 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5222 (valid_in_set): Handle ARRAY_REF.
5223 Change "if min_variant or VH" to asserts.
5224 (create_component_ref_by_pieces): Handle ARRAY_REF.
5225 (create_expression_by_pieces): Likewise.
5226 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5228 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5230 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5231 is operand of switch, not str[0].
5233 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5235 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5236 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5238 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5240 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5241 end of insn_extra_address_constraint declaration.
5243 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5245 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5246 (no-sum-in-toc): Same.
5247 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5249 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5250 NO_FP_IN_TOC for -fPIC instead of mask.
5252 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5253 (BOOT_LDFLAGS): Delete.
5255 * config/rs6000/t-aix52: Same.
5257 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5258 (stmsi[345678]_power): New.
5260 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5262 * config/ia64/ia64.opt: Add empty line to end of file.
5264 2006-03-17 Richard Guenther <rguenther@suse.de>
5267 * builtins.c (get_pointer_alignment): For component style references
5268 adjust alignment to the component type alignment. Make sure
5269 to adjust alignment for component access of constants.
5271 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5273 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5276 2006-03-17 Paul Brook <paul@codesourcery.com>
5278 * doc/install.texi: Docuemnt --with-mode.
5279 * config.gcc: Add --with-mode for arm*-*-*.
5280 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5282 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5284 * sh.c (max_labelno_before_reorg): New variable.
5285 (sh_reorg): Initialize it.
5286 (find_barrier): Check max_labelno_before_reorg before using
5287 label_to_alignment. Take length of explicit alignment insns
5288 into account. When seeing a UNSPECV_CONST_END, return it.
5290 * sh.c (fixup_mova): Set mode of affected label to QImode.
5291 (untangle_mova): New function.
5292 (find_barrier): Use it. Check mode of label before decrementing
5294 (sh_reorg): Likewise.
5295 Set mode of all insns back to VOIDmode.
5297 * sh.c (MOVA_LABELREF): New macro.
5298 (mova_p, fixup_mova, sh_reorg): Use it.
5299 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5300 ADDR_DIFF_VEC matches mova.
5302 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5304 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5305 with ATTRIBUTE_UNUSED.
5307 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5309 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5310 pointer, instead of assuming it is possible to derive the
5311 correct args size from a call insn.
5313 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5315 * rtl.h (CONST_INT_P): Define.
5316 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5317 instead of GET_CODE(x) == CONST_INT.
5318 (vax_rtx_costs): Likewise.
5319 (vax_output_int_move): Likewise.
5320 (vax_output_int_add): Likewise.
5321 (legitimate_constant_address_p): Likewise.
5322 (index_term_p): Likewise.
5323 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5324 * config/vax/vax.md (and<mode>3): Likewise.
5325 (ashrsi3): Likewise.
5327 (movstricthi): Likewise.
5328 (movstrictqi): Likewise.
5329 (rotrsi3): Likewise.
5330 (five unnamed insns): Likewise.
5332 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5334 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5335 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5336 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5337 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5338 Pass to ASM_OUTPUT_DWARF_OFFSET.
5339 * dwarf2out.c (debug_frame_section): New.
5340 (output_call_frame_info): Use debug_frame_section. Pass it to
5341 dw2_asm_output_offset.
5342 (output_die): Pass appropriate section to dw2_asm_output_offset.
5343 (output_compilation_unit_header): Likewise.
5344 (output_pubnames): Likewise.
5345 (output_aranges): Likewise.
5346 (enum dw_val_class): Break dw_val_class_lbl_offset into
5347 dw_val_class_lineptr and dw_val_class_macptr.
5348 (add_AT_lbl_offset): Delete.
5349 (add_AT_lineptr): New.
5350 (add_AT_macptr): New.
5351 (AT_lbl): Expect a lineptr or macptr.
5352 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5353 (attr_checksum): Likewise.
5354 (same_dw_val_p): Likewise.
5355 (size_of_die): Likewise.
5356 (value_format): Likewise.
5357 (output_die): Likewise.
5358 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5360 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5361 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5362 * config/darwin-protos.h (darwin_file_start): New.
5363 (darwin_asm_output_dwarf_offset): New.
5364 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5365 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5367 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5368 if not EH section; simplify.
5369 (darwin_file_start): New.
5370 (darwin_asm_output_dwarf_offset): New.
5371 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5373 (DEBUG_INFO_SECTION): Likewise.
5374 (DEBUG_ABBREV_SECTION): Likewise.
5375 (DEBUG_ARANGES_SECTION): Likewise.
5376 (DEBUG_MACINFO_SECTION): Likewise.
5377 (DEBUG_LINE_SECTION): Likewise.
5378 (DEBUG_LOC_SECTION): Likewise.
5379 (DEBUG_PUBNAMES_SECTION): Likewise.
5380 (DEBUG_STR_SECTION): Likewise.
5381 (DEBUG_RANGES_SECTION): Likewise.
5382 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5383 (ASM_OUTPUT_DWARF_OFFSET): New.
5385 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5387 * config.gcc (tm_defines): Always add to previous value rather
5390 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5392 * config/mips/predicates.md (splittable_const_int_operand): New,
5393 split from move_operand.
5394 (splittable_symbolic_operand): New.
5395 (move_operand): Add commentary. Use splittable_const_int_operand.
5396 Inline mips_atomic_symbolic_constant_p.
5397 * config/mips/mips.md: Add combine splitters for handling moves
5398 of splittable_const_int_operands and splittable_symbolic_operands.
5399 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5400 (mips_split_symbol): Declare.
5401 (mips_move_integer): Declare.
5402 * config/mips/mips.c (mips_split_p): Make global.
5403 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5404 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5405 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5406 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5407 (mips_offset_within_object_p): Handle block symbols.
5408 (mips_atomic_symbolic_constant_p): Delete.
5409 (mips_cannot_force_const_mem): Return false for constants that
5410 mips_legitimize_move can handle.
5411 (mips_use_blocks_for_constant_p): New function.
5412 (mips_split_symbol): Make global.
5413 (mips_move_integer): Likewise. Add a temporary register argument.
5414 (mips_legitimize_const_move): Use splittable_const_int_operand and
5415 splittable_symbolic_operand.
5416 (mips_use_anchors_for_symbol_p): New function.
5417 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5418 (mips_split_p): Declare.
5420 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5422 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5423 (mips*-*-linux*): Likewise.
5425 2006-03-16 Roger Sayle <roger@eyesopen.com>
5426 Daniel Speyer <dspeyer@wam.umd.edu>
5429 * tree-dump.c (dump_real): New function.
5430 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5431 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5432 (tree-dump.o): Add $(REAL_H) to the dependencies.
5434 2006-03-16 Roger Sayle <roger@eyesopen.com>
5437 * real.c (real_from_string): If the mantissa is zero, don't bother
5438 parsing the exponent as the result should always be zero.
5440 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5442 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5444 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5446 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5447 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5448 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5449 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5450 ia64_sched_finish_global): New static functions to implement
5451 hooks from gcc_target.sched.
5452 (spec_check_no, max_uid, pending_data_specs): New static variables.
5453 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5454 ia64_spec_check_src_p): New static functions.
5455 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5456 (TARGET_SCHED_ADJUST_COST): Removed.
5457 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5458 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5459 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5460 TARGET_SCHED_GEN_CHECK,
5461 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5462 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5463 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5464 Fixed to handle speculation checks.
5465 (rtx_needs_barrier): Fixed to handle speculative loads and
5467 (ia64_variable_issue): Added code to count speculative loads and their
5469 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5471 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5473 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5475 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5476 (ia64_reorg): Reset stops_p to NULL after it is freed.
5477 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5478 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5479 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5481 (data_speculative, control_speculative, check_load): New attributes.
5482 (mov<mode>_advanced, mov<mode>_speculative,
5483 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5484 zero_extend<mode>di2_speculative,
5485 zero_extend<mode>di2_speculative_advanced): New patterns for
5486 data and control speculative loads.
5487 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5489 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5490 New pattern for data and control speculation checks.
5491 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5492 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5493 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5494 Auxiliary definitions for the patterns.
5495 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5496 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5498 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5500 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5501 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5502 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5503 New resource constraints.
5504 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5506 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5507 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5508 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5509 msched-in-control-spec, msched-ldc, msched-control-ldc,
5510 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5511 msched-prefer-non-control-spec-insns,
5512 msched-count-spec-in-critical-path): New flags to tune speculative
5514 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5515 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5516 msched-in-control-spec, msched-ldc, msched-control-ldc,
5517 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5518 msched-prefer-non-control-spec-insns,
5519 msched-count-spec-in-critical-path): Document new flags.
5521 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5523 * target.h (struct spec_info_def): New opaque declaration.
5524 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5525 speculate_insn, needs_block_p, gen_check,
5526 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5527 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5528 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5529 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5530 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5531 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5533 (TARGET_SCHED): Use new macros.
5534 * rtl.h (copy_DEPS_LIST_list): New prototype.
5535 * sched-int.h (struct sched_info): Change signature of new_ready field,
5536 adjust all initializations. New fields: add_remove_insn,
5537 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5538 region_head_or_leaf_p.
5539 (struct spec_info_def): New structure declaration.
5540 (spec_info_t): New typedef.
5541 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5542 recovery_block, orig_pat.
5543 (glat_start, glat_end): New variables declaraions.
5544 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5546 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5547 DETACH_LIFE_INFO, USE_GLAT.
5548 (enum SPEC_SCHED_FLAGS): New enumeration.
5549 (NOTE_NOTE_BB_P): New macro.
5550 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5551 attach_life_info, debug_spec_status, check_reg_live): New functions.
5552 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5553 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5555 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5556 * ddg.c (get_block_head_tail): Adjust all uses.
5557 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5558 (sms_sched_info): Initialize new fields.
5559 (contributes_to_priority): Removed.
5560 * haifa-sched.c (params.h): New include.
5561 (get_block_head_tail): Adjust all uses.
5562 (ISSUE_POINTS): New macro.
5563 (glat_start, glat_end): New global variables.
5564 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5565 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5566 old_last_basic_block, before_recovery, current_sched_info_var,
5567 rgn_n_insns, luid): New static variables.
5568 (insn_cost1): New function. Move logic from insn_cost to here.
5569 (find_insn_reg_weight1): New function. Move logic from
5570 find_insn_reg_weight to here.
5571 (reemit_notes, move_insn, max_issue): Change signature.
5572 (move_insn1): Removed.
5573 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5574 extend_bb): New static functions to support extension of scheduler's
5576 (generate_recovery_code, process_insn_depend_be_in_spec,
5577 begin_speculative_block, add_to_speculative_block,
5578 init_before_recovery, create_recovery_block, create_check_block_twin,
5579 fix_recovery_deps): New static functions to support
5580 generation of recovery code.
5581 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5582 restore_bb_notes, move_block_after_check, move_succs): New static
5583 functions to support ebb scheduling.
5584 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5585 functions to support handling of register live information.
5586 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5587 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5588 add_jump_dependencies): New static functions.
5589 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5590 consistancy checking.
5591 (debug_spec_status): New function to call from debugger.
5592 (priority): Added code to handle speculation checks.
5593 (rank_for_schedule): Added code to distinguish speculative instructions.
5594 (schedule_insn): Added code to handle speculation checks.
5595 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5596 Fixed to handle ebbs.
5597 (move_insn): Added code to handle ebb scheduling.
5598 (max_issue): Added code to use ISSUE_POINTS of instructions.
5599 (choose_ready): Added code to choose between speculative and
5600 non-speculative instructions.
5601 (schedule_block): Added code to handle ebb scheduling and scheduling of
5602 speculative instructions.
5603 (sched_init): Initialize new variables.
5604 (sched_finish): Free new variables. Print statistics.
5605 (try_ready): Added code to handle speculative instructions.
5606 * lists.c (copy_DEPS_LIST_list): New function.
5607 * sched-deps.c (extend_dependency_caches): New function. Move logic
5608 from create_dependency_caches to here.
5609 (get_dep_weak, ds_merge): Make global.
5610 * genattr.c (main): Code to output prototype for
5611 dfa_clear_single_insn_cache.
5612 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5613 (output_dfa_clean_insn_cache_func): Code to output
5614 dfa_clear_single_insn_cache function.
5615 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5617 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5619 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5620 New static variables.
5621 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5622 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5624 (ebb_sched_info): Initialize new fields.
5625 (get_block_head_tail): Adjust all uses.
5626 (compute_jump_reg_dependencies): Fixed to use glat_start.
5627 (schedule_ebb): Code to remove unreachable last block.
5628 (schedule_ebbs): Added code to update register live information.
5629 * sched-rgn.c (region_sched_info): Initialize new fields.
5630 (get_block_head_tail): Adjust all uses.
5631 (last_was_jump): Removed. Adjust users.
5632 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5633 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5634 Implement new hooks.
5635 (check_dead_notes1): New static function.
5636 (struct region): New fields: dont_calc_deps, has_real_ebb.
5637 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5638 (BB_TO_BLOCK): Fixed to handle EBBs.
5639 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5640 (ebb_head): New static variable.
5641 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5642 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5644 (compute_dom_prob_ps): New assertion.
5645 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5646 global_live_at_start.
5647 (init_ready_list): New assertions.
5648 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5649 (new_ready): Add support for BEGIN_CONTROL speculation.
5650 (schedule_insns): Fixed code that updates register live information
5652 (schedule_region): Fixed to handle EBBs.
5653 (init_regions): Use extend_regions and check_dead_notes1.
5654 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5655 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5656 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5657 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5658 TARGET_SCHED_GEN_CHECK,
5659 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5660 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5661 * doc/invoke.texi (max-sched-insn-conflict-delay,
5662 sched-spec-prob-cutoff): Document.
5664 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5666 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5667 inter_tick, queue_index.
5668 (struct sched_info): Change signature of init_ready_list field.
5669 Adjust all initializations.
5670 (RESOLVED_DEPS): New access macro.
5671 (ready_add): Remove prototype.
5672 (try_ready): Add prototype.
5673 * sched-rgn.c (init_ready_list): Use try_ready.
5674 (schedule_region): Initialize
5675 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5676 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5677 (init_ready_list): Use try_ready.
5678 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5679 * lists.c (remove_list_elem): Remove `static'.
5680 (remove_free_INSN_LIST_elem): New function.
5681 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5682 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5683 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5685 (readyp): New variable.
5686 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5687 change_queue_index, resolve_dep): New static functions.
5688 (try_ready): New function. Adjust callers in sched-rgn.c and
5689 sched-ebb.c to use it instead of ready_add.
5690 (clock_var): Move at the begining of file.
5691 (rank_for_schedule): Fix typo.
5692 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5693 (ready_lastpos): Enforce assertion.
5694 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5696 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5697 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5698 (queue_to_ready): Use free_INSN_LIST_list.
5699 (early_queue_to_ready): Fix typo.
5700 (schedule_block): Init readyp. Move init_ready_list call after the
5701 initialization of clock_var. Fix error in rejecting insn by
5702 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5703 that previously corrected INSN_TICKs. Add code for handling
5705 (set_priorities): Fix typo.
5706 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5707 Clarify comment and code that keeps current_sched_info->next_tail
5710 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5712 * sched-rgn.c (extend_rgns): New static function.
5713 (find_rgns): Use it.
5714 (gather_region_statistics, print_region_statistics): New static
5716 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5717 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5719 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5720 Andrey Belevantsev <abel@ispras.ru>
5722 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5723 * lists.c (unused_deps_list): New variable.
5724 (free_list): Add assertions to verify the proper distinguishing
5725 between INSN_LISTs and DEPS_LISTs.
5726 (find_list_elem, remove_list_elem, remove_list_node): New static
5728 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5729 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5730 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5731 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5733 (free_INSN_LIST_node): Likewise.
5734 * modulo-sched.c (current_sched_info): Initialize flags field.
5735 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5736 * rtl.def (DEPS_LIST): Define.
5737 * rtl.h: Declare new functions from lists.c.
5738 * sched-deps.c (spec_dependency_cache): New static variable.
5739 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5740 (add_dependence): Change return type to void. Move the logic to ...
5741 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5742 (delete_all_dependences): Add comment about forward_dependency_cache.
5743 Handle spec_dependency_cache. Handle DEPS_LISTs.
5744 (fixup_sched_groups): Clarify the change of priority of output
5745 and anti dependencies.
5746 (sched_analyze_2): Adjust add_dependence calls to create data
5747 speculative dependence.
5748 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5749 Adjust all callers. Handle DEPS_LISTS.
5750 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5751 presence of speculation.
5752 (init_dependency_caches, free_dependency_caches):
5753 Handle spec_dependency_cache.
5754 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5755 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5756 New static functions.
5757 (add_or_update_back_dep, add_or_update_back_forw_dep,
5758 add_back_forw_dep, delete_back_forw_dep): New functions.
5759 * sched-int.h (ds_t, dw_t): New typedefs.
5760 (struct sched_info): Add new field flags.
5761 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5762 Prototype new sched-deps.c functions.
5763 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5764 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5765 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5766 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5767 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5768 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5770 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5772 * sched-rgn.c (current_sched_info): Initialize flags field.
5773 (schedule_insns): Initialize current_sched_info before the sched_init
5775 * sched-ebb.c (current_sched_info): Initialize flags field.
5776 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5777 Call add_or_update_back_dep instead of add_dependence.
5778 Create control speculative dependencies.
5779 (schedule_insns): Initialize current_sched_info before the sched_init
5782 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5784 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5786 (sh_fallback_frame_state): Likewise.
5788 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5790 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5791 Do switch on default_use_cxa_atexit.
5792 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5793 * config/darwin-crt3.o: New.
5794 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5795 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5796 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5798 * config/rs6000/t-darwin: Move crt2.o building to here.
5799 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5800 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5803 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5805 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5806 from '! xxx' to '!xxx' for coding-style conformance.
5807 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5808 (EXTRA_CONSTRAINT): Likewise.
5809 * config/vax/vax.md (four unnamed insns): Likewise.
5811 2006-03-15 Paul Brook <paul@codesourcery.com>
5813 * config/arm/arm.c (minipool_pad): New.
5814 (add_minipool_forward_ref): Include pool alignment padding in address
5816 (push_minipool_fix): Set minipool_pad.
5817 (minipool_pad): Ditto.
5819 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5821 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5822 instead of GET_CODE() == MEM and REG_P() instead of
5824 (print_operand_address): Likewise.
5825 (vax_address_cost): Likewise.
5826 (vax_rtx_costs): Likewise.
5827 (vax_notice_update_cc): Likewise.
5828 (vax_output_int_add): Likewise.
5829 (INDEX_REGISTER_P): Likewise.
5830 (BASE_REGISTER_P): Likewise.
5831 (nonindexed_address_p): Likewise.
5832 (vax_mode_dependent_address_p): Likewise.
5833 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5834 (PRINT_OPERAND): Likewise.
5835 * config/vax/vax.md (ashlsi3): Likewise.
5836 (ashlsi3): Likewise.
5837 (some more unnamed insns): Likewise.
5839 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5841 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5842 iterator-style macro.
5843 (mark_control_dependent_edges_necessary): Update the use of
5844 EXECUTE_IF_CONTROL_DEPENDENT.
5846 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5848 * config/sh/predicates.md (cache_address_operand): Special.
5849 (ua_address_operand): Likewise.
5851 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5853 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5855 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5857 2006-03-15 Andreas Schwab <schwab@suse.de>
5859 * gensupport.c (identify_predicable_attribute): Don't free p_false
5860 when it is still in use.
5862 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5864 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5865 the default setting here.
5867 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5869 * tree-pass.h (pass_cfg): Remove.
5870 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5871 * passes.c (pass_cfg): Don't run it.
5873 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5875 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5876 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5878 (stack_regs_mentioned): Update the uses of
5879 stack_regs_mentioned_data. Don't access the array beyond its
5881 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5882 Don't include gt-reg-stack.h.
5884 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5885 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5887 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5890 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5893 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5895 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5897 2006-03-14 Richard Guenther <rguenther@suse.de>
5899 PR tree-optimization/26672
5900 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5903 2006-03-14 Richard Guenther <rguenther@suse.de>
5905 PR tree-optimization/26667
5906 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5907 node for the callees. Always allow inlining if it will shrink
5910 2006-03-14 Richard Guenther <rguenther@suse.de>
5913 * builtins.c (get_pointer_alignment): Prefer alignment
5914 information from decls over that from types.
5916 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5919 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5921 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5923 * config/rs6000/rs6000.opt (mdlmzb): New option.
5924 (msched-prolog, msched-epilog): Use Var not Mask.
5925 * doc/invoke.texi (-mdlmzb): Document.
5926 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5928 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5929 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5931 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5933 PR rtl-optimization/25739
5934 * bt-load.c (augment_live_range): Free tos pointer.
5936 * gensupport.c (identify_predicable_attribute): Free
5938 * gcov.c (create_file_names): Free name pointer.
5940 2006-03-13 Roger Sayle <roger@eyesopen.com>
5943 * stmt.c (emit_case_nodes): Handle the case where the index is a
5944 CONST_INT, where the comparison mode is specified by the index type.
5946 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5948 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5951 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5953 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5954 (*branch_fp_inverted): Likewise.
5956 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5959 * omp-low.c (expand_omp_for_generic): Mark istart0
5960 and iend0 as addressable.
5962 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5964 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5966 2006-03-13 Jeff Law <law@redhat.com>
5968 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5969 virtual operands are interesting.
5970 (vrp_visit_stmt): Corresponding changes.
5972 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5974 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5976 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5977 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5978 * config/bfin/crti.S: Use it instead of __PIC__.
5979 * config/bfin/crtn.S: Likewise.
5981 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5982 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5984 Lose 'G' modifier for call operand.
5985 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5986 recognize 'G' modifier.
5988 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5991 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5992 * stmt.c (expand_case): Likewise.
5994 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5996 PR rtl-optimization/26254
5997 * loop-invariant.c (seq_insns_valid_p): New function.
5998 (move_invariant_reg): Only emit new code if it is valid.
6000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6002 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6004 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6005 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6006 (commit_one_edge_insertion): Do not look for loop notes.
6008 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6010 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6011 flag_test_coverage out of loop.
6013 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6015 * final.c (shorten_branches): Remove outdated comment, and turn
6016 the if branch that guards it to continue.
6018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6020 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6021 * cfgloop.h (struct loop): Remove unused fields.
6023 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6025 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6026 (-dL, -fdump-rtl-loop2): Update the dump file names
6028 * doc/invoke.texi: Update dump file names.
6030 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6032 * predict.c (estimate_probability): Remove.
6033 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6034 * basic-block.h (estimate_probability): Remove prototype.
6035 * passes.c (finish_optimization_passes): Dump branch prediction or
6036 profiling heuristics to the .profile tree dump.
6037 (init_optimization_passes): Unqueue pass_branch_prob.
6039 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6041 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6043 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6044 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6046 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6048 * function.h (frame_offset_overflow): Declare.
6049 * function.c (frame_offset_overflow): New function.
6050 (assign_stack_local_1): Call it to detect that the offset overflows.
6051 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6053 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6055 * config/sh/sh.c: Include alloc-pool.h.
6056 (label_ref_list_pool): New alloc pool.
6057 (label_ref_list_t): New type for lists of labels.
6058 (struct pool_node): Make wend a label_ref_list_t.
6059 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6061 (dump_table): Likewise.
6062 (sh_reorg): Set up the alloc pool before using add_constant and
6063 dump_table, and destroy it when finishing.
6065 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6067 * config/mips/mips.c: Remove redundant comment.
6069 2006-03-10 Jason Merrill <jason@redhat.com>
6072 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6073 the target was declared 'register'.
6075 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6077 * genpreds.c (write_insn_constraint_len): Change definition of
6078 insn_constraint_len to return size_t to match the declaration.
6080 2006-03-10 DJ Delorie <dj@redhat.com>
6082 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6084 (m32c_expand_insv): Fix test for an AND mask.
6086 2006-03-10 Richard Guenther <rguenther@suse.de>
6089 * builtins.c (get_pointer_alignment): Handle component
6090 references for field alignment.
6092 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6094 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6095 when building with libgloss.
6096 (sh*elf): Implement --without-fp option.
6097 (sh64-superh-linux*): Don't multilib.
6099 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6101 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6103 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6105 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6106 Set it when one of the replacement functions returned true.
6107 Return TODO_cleanup_cfg if cfgchanged is true.
6108 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6110 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6112 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6113 instead of gen_lowpart.
6115 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6117 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6119 (mips_output_order_conditional_branch): Declare.
6120 * config/mips/mips.h (MIPS_BRANCH): New macro.
6121 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6122 for the comparison. Use gen_condjump.
6123 (mips_output_conditional_branch): Rework interface to take the
6124 asm templates for a direct branch and the inverse of a direct branch.
6125 (mips_output_order_conditional_branch): New function.
6126 (mips_builtin_branch_and_move): New function.
6127 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6128 branch condition. Use gen_single_cc as the condition for
6129 __builtin_mips_upper_* or __builtin_mips_lower_*.
6130 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6131 Use VOIDmode for the branch condition.
6132 * config/mips/predicates.md (order_operator): New predicate.
6133 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6134 (branch_fp): Rename to...
6135 (*branch_fp): ...this. Remove mode from comparison operator.
6136 Use new mips_output_conditional_branch interface.
6137 (branch_fp_inverted): Rename to...
6138 (*branch_fp_inverted): ...this and update as for *branch_fp.
6139 (*branch_zero<mode>): Rename to...
6140 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6141 Use mips_output_order_conditional_branch. Only accept ordered
6143 (*branch_zero<mode>_inverted): Rename to...
6144 (*branch_order<mode>_inverted): ...this and update as for
6145 *branch_order<mode>.
6146 (*branch_equality<mode>): Accept zero as the second operand to
6147 the equality operator. Use the new mips_output_conditional_branch
6149 (*branch_equality<mode>_inverted): Likewise.
6150 (condjump): New expander.
6151 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6153 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6154 (bc1any2t, bc1any2f): Likewise.
6155 (single_cc): New expander.
6156 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6158 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6160 * doc/md.texi: Update documentation of MIPS constraints.
6161 * config/mips/constraints.md: New file.
6162 * config/mips/mips.md: Include it.
6163 * config/mips/mips.c (mips_char_to_class): Delete.
6164 (override_options): Don't initialize mips_char_to_class.
6165 * config/mips/mips.h (mips_char_to_class): Delete.
6166 (REG_CLASS_FROM_LETTER): Delete.
6167 (CONST_OK_FOR_LETTER_P): Delete.
6168 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6169 (EXTRA_CONSTRAINT_Y): Delete.
6170 (EXTRA_CONSTRAINT_STR): Delete.
6171 (CONSTRAINT_LEN): Delete.
6172 (EXTRA_MEMORY_CONSTRAINT): Delete.
6174 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6176 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6177 original fn's eh regions.
6179 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6181 * fold-const.c (build_range_check): Make sure to use a valid type to
6182 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6185 (range_predecessor): New static function.
6186 (range_successor): Likewise.
6187 (merge_ranges): Use them to compute predecessors and successors of
6190 2006-03-09 Roger Sayle <roger@eyesopen.com>
6193 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6194 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6196 2006-03-08 DJ Delorie <dj@redhat.com>
6198 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6199 (addpsi3): Expand to include memory operands. Remove
6200 reload-specific splits.
6201 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6202 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6203 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6204 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6205 (shift1_qi, shift1_hi, insv): New.
6206 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6207 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6208 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6210 * config/m32c/m32c-protos.h: Update as needed.
6211 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6212 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6213 Fail for unrecognized R* constraints.
6214 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6215 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6216 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6218 (m32c_init_libfuncs): New.
6219 (m32c_legitimate_address_p): Add debug wrapper.
6220 (m32c_rtx_costs): New.
6221 (m32c_address_cost): New.
6222 (conversions): Add 'B' prefix.
6223 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6224 operands, or word regnames for QI operands. 'B' prints bit
6226 (m32c_expand_setmemhi): New.
6227 (m32c_expand_movmemhi): New.
6228 (m32c_expand_movstr): New.
6229 (m32c_expand_cmpstr): New.
6230 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6231 (m32c_expand_neg_mulpsi3): Handle non-ints.
6232 (m32c_cmp_flg_0): New.
6233 (m32c_expand_movcc): New.
6234 (m32c_expand_insv): New.
6235 (m32c_scc_pattern): New.
6236 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6237 a0/a1 out of SIregs.
6238 (STORE_FLAG_VALUE): New.
6239 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6242 * config/m32c/mov.md: Make constraints more liberal.
6243 (zero_extendqihi2): Optimize r0/r1 case.
6244 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6245 * config/m32c/predicates.md (m32c_any_operand): New.
6246 (m32c_nonimmediate_operand): New.
6247 (m32c_hl_operand): New.
6248 (m32c_r3_operand): New.
6251 (memsym_operand): New.
6252 (memimmed_operand): New.
6253 (a_qi_operand): New.
6254 (m32c_eqne_operator): New.
6255 (m32c_1bit8_operand): New.
6256 (m32c_1bit16_operand): New.
6257 (m32c_1mask8_operand): New.
6258 (m32c_1mask16_operand): New.
6259 * config/m32c/blkmov.md: New file.
6260 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6262 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6264 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6265 unsigned to fix signed/unsigned comparison issue in
6266 DWARF2_FRAME_REG_OUT.
6267 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6268 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6270 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6271 of ptr into the ENABLE_CHECKING section.
6273 2006-03-08 Jeff Law <law@redhat.com>
6275 * tree-vrp.c (infer_value_range): Only count pointer uses
6276 and dereferences if -fdelete-null-pointer-checks is enabled.
6278 * tree-vrp.c (find_assert_locations): Infer value ranges for
6279 single use pointers, but do not create ASSERT_EXPRs for them.
6280 When a non-null range is inferred for a pointer, backwards
6281 propagate that range to other equivalent pointers through the
6284 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6287 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6288 language hook targets.
6289 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6290 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6291 if language hook targets were missing.
6293 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6295 * tree-ssa-opfinalize.h: Removed.
6296 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6298 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6299 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6300 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6301 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6302 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6303 finalize_ssa_v_must_def_ops): New.
6305 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6307 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6310 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6312 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6314 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6315 addresses with offsets; reorganize.
6317 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6318 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6319 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6321 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6324 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6326 2006-03-08 Ben Elliston <bje@au.ibm.com>
6328 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6330 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6333 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6336 2006-03-07 Richard Guenther <rguenther@suse.de>
6338 PR tree-optimization/26587
6339 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6341 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6343 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6345 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6347 * hooks.c (hook_bool_mode_rtx_true): New function.
6348 * hooks.h (hook_bool_mode_rtx_true): Declare.
6349 * toplev.c (compile_file): Call output_shared_constant_pool.
6350 * varasm.c (shared_constant_pool): New variable.
6351 (assemble_start_function, assemble_end_function): Remove arguments
6352 from call to output_constant_pool.
6353 (create_constant_pool): New function, split out from...
6354 (init_varasm_status): ...here.
6355 (force_const_mem): Choose between the shared and per-function constant
6356 pools. Set current_function_uses_const_pool when reusing old entries
6357 as well as when creating new ones.
6358 (mark_constant): Ignore data argument.
6359 (mark_constants): Remove pool argument.
6360 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6361 to decide whether the function uses a constant pool.
6362 (output_constant_pool_contents): New function, split out from...
6363 (output_constant_pool): ...here.
6364 (output_shared_constant_pool): New function.
6365 (init_varasm_once): Initialize shared_constant_pool.
6366 * output.h (output_constant_pool): Delete.
6367 (output_shared_constant_pool): Declare.
6368 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6369 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6371 2006-03-06 Nick Clifton <nickc@redhat.com>
6373 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6374 flag_strength_reduce.
6376 2006-03-06 Ben Elliston <bje@au.ibm.com>
6378 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6379 x86_64-*-linux* configurations.
6381 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6382 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6384 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6386 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6388 * basic-block.h: Remove the extern for
6389 rediscover_loops_after_threading.
6391 * cfgloop.c (cancel_loop): Make it static.
6392 * cfgloop.h: Remove the prototype for cancel_loop.
6394 * flow.c (recompute_reg_usage): Make it static.
6395 * rtl.h: Remove the prototype for recompute_reg_usage.
6397 * function.c (use_return_register): Make it static.
6398 * function.h: Remove the prototype.
6400 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6402 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6404 * recog.h: Remove the prototype for
6405 validate_change_maybe_volatile.
6407 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6409 * rtlanal.c (replace_reg): Remove.
6410 * rtl.h: Remove the prototype for replace_reg.
6412 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6414 * regclass.c (reg_scan_update): Remove.
6415 (reg_scan_mark_refs): Remove the last argument.
6416 * rtl.h: Remove the prototype for reg_scan_update.
6418 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6420 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6421 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6422 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6423 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6424 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6425 loop-invariant.c, omp-low.c, opts.c, passes.c,
6426 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6427 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6428 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6429 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6430 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6431 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6433 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6435 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6436 * dwarf2out.h: Remove the prototype for
6437 dwarf2out_add_library_unit_info.
6439 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6441 * tree.c (add_var_to_bind_expr): Remove.
6442 * tree.h: Remove the prototype for add_var_to_bind_expr.
6444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6446 * regclass.c (n_non_fixed_regs): Remove.
6447 (init_reg_sets_1, globalize_reg): Remove all uses of
6449 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6451 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6453 * rtlanal.c (insns_safe_to_move_p): Remove.
6454 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6456 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6458 * expmed.c (expand_mult_add): Remove.
6459 * expr.h: Remove the prototype for expand_mult_add.
6461 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6463 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6464 and REG_SAVED_VAL_EXP constants.
6465 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6466 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6467 Handle regs stored by value.
6468 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6469 (execute_cfa_program): Handle DW_CFA_val_offset,
6470 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6471 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6472 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6473 (uw_install_context_1): Handle target regs stored by value.
6475 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6477 * tree-sra.c (tree_sra): Return todoflags;
6478 (generate_one_element): Set TODO_update_smt_usage if needed.
6479 (pass_sra): Remove TODO_update_smt_usage.
6480 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6482 (tree_ssa_forward_propagate_single_use_vars): Return
6483 TODO_update_smt_usage if we need to update SMT usage.
6484 (pass_forwprop): Remove TODO_update_smt_usage.
6486 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6488 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6489 (correct_use_link): Remove reference to get_stmt_operands.
6490 (update_stmt_operands): Likewise.
6491 (get_modify_expr_operands): New function factored out of
6492 parse_ssa_operands and get_expr_operands.
6493 Try to create V_MUST_DEFs for LHS by default.
6494 (get_expr_operands) <case MODIFY_EXPR>: Call
6495 get_modify_expr_operands.
6496 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6497 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6498 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6499 get_modify_expr_operands.
6501 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6503 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6504 * tree-flow.h: Remove the prototype for
6505 referenced_var_lookup_if_exists.
6507 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6509 PR rtl-optimization/26345
6511 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6513 2006-03-03 Roger Sayle <roger@eyesopen.com>
6515 PR tree-optimization/26524
6516 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6517 fold_convert to create a constant of the appropriate type.
6519 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6521 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6522 SYMBOL_REF_IN_BLOCK_P.
6523 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6524 of SYMBOL_FLAG_IN_BLOCK.
6525 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6526 instead of SYMBOL_REF_IN_BLOCK_P.
6527 * explow.c (use_anchored_address): Likewise.
6528 * rtl.c (rtx_size): Likewise.
6529 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6530 instead of SYMBOL_FLAG_IN_BLOCK.
6531 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6532 SYMBOL_REF_IN_BLOCK_P.
6533 (assemble_variable): Likewise.
6534 (output_constant_def_contents): Likewise.
6535 (output_constant_pool): Likewise.
6536 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6537 instead of SYMBOL_FLAG_IN_BLOCK.
6538 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6539 SYMBOL_REF_IN_BLOCK_P.
6540 (SYMBOL_REF_BLOCK): Likewise.
6541 (SYMBOL_REF_OFFSET): Likewise.
6542 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6543 SYMBOL_REF_IN_BLOCK_P.
6544 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6545 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6546 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6547 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6549 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6551 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6553 2006-03-02 Roger Sayle <roger@eyesopen.com>
6555 * simplify-rtx.c (simplify_unary_operation): When simplifying
6556 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6557 that we perform the right shift in the appropriate mode, and
6558 then extend or truncate the result to requested mode.
6560 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6562 * gengtype.c (main): Handle double_int type.
6563 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6564 * double-int.c: New file.
6565 * double-int.h: New file.
6566 * system.h: Include doubleint.h.
6567 * Makefile.in (SYSTEM_H): Include double-int.h.
6568 (double-int.o): Add.
6570 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6573 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6576 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6578 * tree-vrp.c (remove_range_assertions): Do not update statements
6581 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6583 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6585 * gcse.c (rest_of_handle_gcse): Ditto.
6586 * except.c (gate_handle_eh): Ditto.
6587 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6588 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6590 2006-03-02 Eric Christopher <echristo@apple.com>
6592 * config/i386/i386.c (machopic_output_stub): Add indirection to
6595 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6599 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6601 Sun Niagara specific optimizations.
6602 * config.gcc: Recognize niagara as target.
6603 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6604 (TARGET_CPU_niagara): Define.
6605 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6606 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6607 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6608 (ASM_CPU_SPEC): Likewise.
6609 (PROCESSOR_NIAGARA): New enum entry.
6610 (REGISTER_MOVE_COST): Handle Niagara.
6611 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6612 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6613 (sparc_override_options): Recognize "niagara", set appropriate
6614 default MASK_* values for it, and align functions to 32-bytes
6615 by default just like ULTRASPARC/ULTRASPARC3.
6616 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6617 (sparc64_initialize_trampoline): Likewise.
6618 (sparc_use_sched_lookahead): Use zero for niagara.
6619 (sparc_issue_rate): Use one for niagara.
6620 * config/sparc/niagara.md: New file.
6621 * config/sparc/sparc.md: Include it.
6622 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6623 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6624 when default cpu is niagara.
6625 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6626 (ASM_CPU_SPEC): Likewise.
6627 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6628 when default cpu is niagara.
6629 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6630 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6631 just like v9/ultrasparc/ultrasparc3.
6632 * doc/invoke.texi: Add documentation for "niagara" and improve
6633 existing documentation for ultrasparc variants.
6635 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6637 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6639 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6641 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6642 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6643 and say that only one is needed.
6644 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6645 * target.h (have_switchable_bss_sections): New hook.
6646 * explow.c (use_anchored_address): Check that the symbol is in a block.
6647 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6648 (bss_noswitch_section): New variables.
6649 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6650 (get_noswitch_section): New function.
6651 (get_block_for_section): Allow SECT to be null.
6652 (unlikely_text_section_p): Use SECTION_STYLE.
6653 (bss_initializer_p): New function.
6654 (get_variable_section): Move earlier in file. Take a new argument,
6655 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6656 Return one of the new *_sections in such cases.
6657 (get_block_for_decl): New function, extracting some logic from
6658 use_blocks_for_decl_p.
6659 (change_symbol_section): Remove in favor of...
6660 (change_symbol_block): ...this new function.
6661 (use_blocks_for_decl_p): Remove checks now performed by
6663 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6664 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6665 (emit_local, emit_bss, emit_common): ...these new functions.
6666 Return true if the alignment was honored.
6667 (emit_tls_common): New function.
6668 (asm_emit_uninitialised): Delete.
6669 (assemble_variable_noswitch): New function, split out from...
6670 (assemble_variable): ...here. Don't make decisions about common
6671 variables here. Globalize all public decls that go into non-common
6672 sections. Check whether SYMBOL_REF_BLOCK is null.
6673 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6674 (output_constant_pool): Likewise.
6675 (init_varasm_once): Initialize the new section variables.
6676 (have_global_bss_p): New function.
6677 (categorize_decl_for_section): Use bss_initializer_p.
6678 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6679 (place_block_symbol): Assert that the symbol must be in a block.
6680 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6681 (TARGET_INITIALIZER): Include it.
6682 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6683 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6684 (SECTION_MACH_DEP): Bump by two.
6685 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6686 (unnamed_section): Mention SECTION_UNNAMED in comment.
6687 (named_section): Likewise SECTION_NAMED.
6688 (noswitch_section_callback): New type.
6689 (noswitch_section): New structure.
6690 (section): Add a noswitch_section alternative.
6691 (SECTION_STYLE): New macro.
6692 (tls_comm_section, comm_section, lcomm_section): Declare.
6693 (bss_noswitch_section, have_global_bss_p): Declare.
6694 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6695 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6697 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6698 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6701 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6703 * tree-vrp.c (execute_vrp): Return value.
6704 * regrename.c (rest_of_handle_regrename): Ditto.
6705 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6706 * tree-complex.c (tree_lower_complex): Ditto.
6707 (tree_lower_complex_O0): Ditto.
6708 * tracer.c (rest_of_handle_tracer): Ditto.
6709 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6710 * postreload.c (rest_of_handle_postreload): Ditto.
6711 * tree-tailcall.c (execute_tail_recursion): Ditto.
6712 (execute_tail_calls): Ditto.
6713 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6714 * tree.h (init_function_for_compilation): Ditto.
6715 * ipa-cp.c (ipcp_driver): Ditto.
6716 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6717 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6718 * final.c (compute_alignments): Ditto.
6719 (rest_of_handle_final): Ditto.
6720 (rest_of_handle_shorten_branches): Ditto.
6721 (rest_of_clean_state): Ditto.
6722 * omp-low.c (execute_expand_omp): Ditto.
6723 (execute_lower_omp): Ditto.
6724 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6725 * ipa-reference.c (static_execute): Ditto.
6726 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6727 * reorg.c (rest_of_handle_delay_slots): Ditto.
6728 (rest_of_handle_machine_reorg): Ditto.
6729 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6730 * flow.c (recompute_reg_usage): Ditto.
6731 (rest_of_handle_remove_death_notes): Ditto.
6732 (rest_of_handle_life): Ditto.
6733 (rest_of_handle_flow2): Ditto.
6734 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6735 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6736 (do_ssa_store_ccp): Ditto.
6737 (execute_fold_all_builtins): Ditto.
6738 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6739 * modulo-sched.c (rest_of_handle_sms): Ditto.
6740 * ipa-pure-const.c (static_execute): Ditto.
6741 * cse.c (rest_of_handle_cse): Ditto.
6742 (rest_of_handle_cse2): Ditto.
6743 * web.c (rest_of_handle_web): Ditto.
6744 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6745 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6746 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6747 * tree-nrv.c (tree_nrv): Ditto.
6748 (execute_return_slot_opt): Ditto.
6749 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6750 (create_structure_vars): Ditto.
6751 * loop-init.c (rtl_loop_init): Ditto.
6752 (rtl_loop_done): Ditto.
6753 (rtl_move_loop_invariants): Ditto.
6754 (rtl_unswitch): Ditto.
6755 (rtl_unroll_and_peel_loops): Ditto.
6756 (rtl_doloop): Ditto.
6757 * gimple-low.c (lower_function_body): Ditto.
6758 (mark_used_blocks): Ditto.
6759 * tree-ssa-sink.c (execute_sink_code): Ditto.
6760 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6761 (cgraph_early_inlining): Ditto.
6762 * global.c (rest_of_handle_global_alloc): Ditto.
6763 * jump.c (cleanup_barriers): Ditto.
6764 (purge_line_number_notes): Ditto.
6765 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6766 (rest_of_handle_if_after_reload): Ditto.
6767 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6768 (tree_ssa_loop_im): Ditto.
6769 (tree_ssa_loop_unswitch): Ditto.
6770 (tree_vectorize): Ditto.
6771 (tree_linear_transform): Ditto.
6772 (tree_ssa_loop_ivcanon): Ditto.
6773 (tree_ssa_empty_loop): Ditto.
6774 (tree_ssa_loop_bounds): Ditto.
6775 (tree_complete_unroll): Ditto.
6776 (tree_ssa_loop_prefetch): Ditto.
6777 (tree_ssa_loop_ivopts): Ditto.
6778 (tree_ssa_loop_done): Ditto.
6779 * predict.c (tree_estimate_probability): Ditto.
6780 * recog.c (split_all_insns_noflow): Ditto.
6781 (rest_of_handle_peephole2): Ditto.
6782 (rest_of_handle_split_all_insns): Ditto.
6783 * tree-eh.c (lower_eh_constructs): Ditto.
6784 * regmove.c (rest_of_handle_regmove): Ditto.
6785 (rest_of_handle_stack_adjustments): Ditto.
6786 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6787 * function.c (instantiate_virtual_regs): Ditto.
6788 (init_function_for_compilation): Ditto.
6789 (rest_of_handle_check_leaf_regs): Ditto.
6790 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6791 (rest_of_handle_gcse): Ditto.
6792 * ipa-type-escape.c (type_escape_execute): Ditto.
6793 * alias.c (rest_of_handle_cfg): Ditto.
6794 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6795 * profile.c (rest_of_handle_branch_prob): Ditto.
6796 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6797 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6798 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6799 * tree-dfa.c (find_referenced_vars): Ditto.
6800 * except.c (set_nothrow_function_flags): Ditto.
6801 (convert_to_eh_region_ranges): Ditto.
6802 (rest_of_handle_eh): Ditto.
6803 * emit-rtl.c (unshare_all_rtl): Ditto.
6804 (remove_unnecessary_notes): Ditto.
6805 * except.h (set_nothrow_function_flags): Ditto.
6806 (convert_to_eh_region_ranges): Ditto.
6807 * cfgexpand.c (tree_expand_cfg): Ditto.
6808 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6809 * tree-ssa-pre.c (do_pre): Ditto.
6810 (execute_fre): Ditto.
6811 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6812 (rest_of_handle_jump2): Ditto.
6813 * tree-sra.c (tree_sra): Ditto.
6814 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6815 (execute_mudflap_function_decls): Ditto.
6816 * tree-ssa-copy.c (do_copy_prop): Ditto.
6817 (do_store_copy_prop): Ditto.
6818 * ipa-prop.h (ipcp_driver): Ditto.
6819 * cfglayout.c (insn_locators_initialize): Ditto.
6820 * tree-ssa-forwprop.c
6821 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6822 * cfglayout.h (insn_locators_initialize): Ditto.
6823 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6824 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6825 (execute_late_warn_uninitialized): Ditto.
6826 * rtl.h (cleanup_barriers): Ditto.
6827 (split_all_insns_noflow): Ditto.
6828 (purge_line_number_notes): Ditto.
6829 (unshare_all_rtl): Ditto.
6830 (remove_unnecessary_notes): Ditto.
6831 (recompute_reg_usage): Ditto.
6832 (variable_tracking_main): Ditto.
6833 * integrate.c (emit_initial_value_sets): Ditto.
6834 * integrate.h (emit_initial_value_sets): Ditto.
6835 * tree-optimize.c (execute_free_datastructures): Ditto
6836 (execute_free_cfg_annotations): Ditto.
6837 (execute_fixup_cfg): Ditto.
6838 (execute_cleanup_cfg_pre_ipa): Ditto.
6839 (execute_cleanup_cfg_post_optimizing): Ditto.
6840 (execute_init_datastructures): Ditto.
6841 * tree-object-size.c (compute_object_sizes): Ditto.
6842 * combine.c (rest_of_handle_combine): Ditto.
6843 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6844 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6845 (rest_of_handle_reorder_blocks): Ditto.
6846 (rest_of_handle_partition_blocks): Ditto.
6847 * var-tracking.c (variable_tracking_main): Ditto.
6848 * tree-profile.c (tree_profiling): Ditto.
6849 * tree-vect-generic.c (expand_vector_operations): Ditto.
6850 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6851 * sched-rgn.c (rest_of_handle_sched): Ditto.
6852 (rest_of_handle_sched2): Ditto.
6853 * basic-block.h (free_bb_insn): Ditto.
6854 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6855 * tree-cfg.c (execute_build_cfg): Ditto.
6856 (remove_useless_stmts): Ditto.
6857 (split_critical_edges): Ditto.
6858 (execute_warn_function_return): Ditto.
6859 (execute_warn_function_noreturn): Ditto.
6860 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6861 * cfgrtl.c (free_bb_for_insn): Ditto.
6862 * passes.c (execute_one_pass): Run additional
6863 todos returned by execute function.
6864 * tree-pass.h (struct tree_opt_pass): Make execute
6867 2006-03-02 Richard Guenther <rguenther@suse.de>
6869 * tree-ssa-alias.c (find_used_portions): Consider taking
6870 the address as making the variable not write-only.
6872 2006-03-02 Nick Clifton <nickc@redhat.com>
6874 * config.gcc (default_use_cxa_atexit): Extend the description of
6875 this configure variable. Set its default value to "yes" for
6876 Linux, NetBSD and ELF targets on the assumption that they will
6877 use C libraries with the __cxa_atexit function.
6879 2006-03-02 Ben Elliston <bje@au.ibm.com>
6881 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6882 parameter as unused to suppress a build warning.
6884 2006-03-02 Ben Elliston <bje@au.ibm.com>
6886 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6889 2006-03-01 Roger Sayle <roger@eyesopen.com>
6892 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6893 declared name, the weak reference name, and the typeof name.
6894 (__gthrw): Avoid expanding the declared name suffix.
6895 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6897 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6899 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6901 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6902 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6903 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6904 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6905 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6906 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6907 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6908 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6909 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6910 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6911 (DW_END_default, DW_END_big, DW_END_little): New.
6912 (DW_END_lo_user, DW_END_hi_user): Define.
6913 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6914 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6915 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6918 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6920 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6922 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6924 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6926 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6928 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6929 to 'symbol_mem_tag'.
6931 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6934 2006-03-01 Roger Sayle <roger@eyesopen.com>
6936 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6938 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6941 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6942 MACHO_DYNAMIC_NO_PIC_P.
6943 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6945 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6948 * config/darwin-protos.h (darwin_asm_output_anchor):
6950 * config/darwin-sections.def (cstring_section):
6951 Add SECTION_MERGE to the flags.
6952 (literal4_section): Likewise.
6953 (literal8_section): Likewise.
6954 (objc_selector_refs_section): Likewise.
6955 (objc_cls_refs_section): Likewise.
6956 * config/darwin.c (darwin_asm_output_anchor): New
6958 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6960 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6962 Fix PR tree-optimization/26443
6963 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6964 to todo and PROP_tmt_usage to properties_destroyed.
6965 * tree-ssa-ccp.c (pass_ccp): Ditto.
6966 (pass_store_ccp): Ditto.
6967 * tree-ssa-dom.c (pass_dominator): Ditto.
6969 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6971 * tree-ssa-operands.c: Cleanup whitespace.
6972 (get_asm_expr_operands): Move before first invocation.
6973 (get_indirect_ref_operands): Likewise.
6974 (get_tmr_operands): Likewise.
6975 (get_call_expr_operands): Likewise.
6976 (append_def): Likewise.
6977 (append_use): Likewise.
6978 (append_v_may_def): Likewise.
6979 (append_v_must_def): Likewise.
6980 (add_call_clobber_ops): Likewise.
6981 (add_call_read_ops): Likewise.
6982 (add_stmt_operand): Likewise.
6983 (add_virtual_operand): Likewise.
6984 (build_ssa_operands): Likewise.
6986 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6991 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6992 with a call expr to ...
6993 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6995 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6997 * tree-vrp.c (extract_range_from_assert): Remove special
6998 handling for types with super-types.
7000 2006-03-01 Ben Elliston <bje@au.ibm.com>
7002 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7003 and powerpc64-*-linux* configurations.
7004 * config/t-dfprules: New file.
7006 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7007 Compile dfp-bit.c from the source directory using -DWIDTH and
7008 $DFP_CFLAGS to control the compilation of that file, rather than
7009 generating width-specific versions in the build directory.
7010 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7011 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7013 2006-02-28 Zack Weinberg <zackw@panix.com>
7015 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7018 2006-02-28 Eric Christopher <echristo@apple.com>
7020 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7021 Set up IN_LIBGCC definition of TARGET_64BIT.
7022 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7024 2006-02-28 Roger Sayle <roger@eyesopen.com>
7027 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7028 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7029 cases via the construction of "expr != 0".
7031 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7033 * alias.c (alias_invariant, alias_invariant_size): Remove.
7034 (record_base_value): Remove.
7035 (memrefs_conflict_p): Don't look at alias_invariant.
7036 (end_alias_analysis): Don't free it.
7037 * alias.h (record_base_value): Remove prototype.
7039 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7040 Adam Nemet <anemet@caviumnetworks.com>
7042 * rtl.h (truncated_to_mode): Declare it.
7043 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7044 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7045 (RTL_HOOKS_INITIALIZER): Include it.
7046 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7047 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7048 reg_truncated_to_mode.
7049 * rtlanal.c (truncated_to_mode): Define it.
7050 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7052 2006-02-28 Jeff Law <law@redhat.com>
7054 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7055 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7056 the range allowed by TYPE_PRECISION.
7058 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7060 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7062 PR tree-optimization/26419
7063 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7066 2006-02-27 Zack Weinberg <zackw@panix.com>
7068 * doc/md.texi: Fix typo in previous change.
7070 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7074 2006-02-27 Zack Weinberg <zackw@panix.com>
7076 * rtl.def (define_constraint, define_register_constraint)
7077 (define_memory_constraint, define_address_constraint): New MD forms.
7078 * gensupport.c (process_rtx): Put define_constraint etc on the
7080 * genpreds.c (process_define_predicate): Adjust comment. Validate
7081 the name, and call validate_exp to validate the expression.
7082 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7083 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7084 all callers changed.
7085 (validate_exp, needs_variable, struct constraint_data)
7086 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7087 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7088 (const_dbl_constraints, constraint_max_namelen)
7089 (have_register_constraints, have_memory_constraints)
7090 (have_address_constraints, have_address_constraints)
7091 (have_extra_constraints, have_const_int_constraints)
7092 (have_const_dbl_constraints, mangle, add_constraint)
7093 (process_define_constraint, process_define_register_constraint)
7094 (write_enum_constraint_num, write_lookup_constraint)
7095 (write_insn_constraint_len, write_regclass_for_constraint)
7096 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7097 (write_insn_extra_memory_constraint)
7098 (write_insn_extra_address_constraint)
7099 (write_satisfies_constraint_fns): New.
7100 (write_tm_preds_h): If we have new-style constraint definitions,
7101 prototype the functions generated from them, and define the
7102 old constraint interface (still used by generic code) in terms of
7104 (write_insn_preds_c): If we have new-style constraint definitions,
7105 generate all relevant functions from those definitions.
7106 (main): Handle define_constraint etc.
7107 * genoutput.c (struct constraint_data, indep_constraints)
7108 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7109 (mdep_constraint_len): New data structures and functions, defined
7110 #ifdef USE_MD_CONSTRAINTS.
7111 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7112 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7113 use new logic to validate operand constraints against constraint
7115 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7117 * defaults.h: If none of the old-style constraint macros are
7118 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7119 old-style macros; and poison REG_CLASS_FROM_LETTER,
7120 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7122 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7123 * doc/md.texi: Document new constraint-definition mechanism and the
7124 C interface it provides. Remove references to old mechanism
7125 elsewhere in the document.
7126 (Machine Constraints): Use pathnames relative to gcc directory,
7127 i.e. config/ARCH/FILE. Change i386 section to refer to
7128 config/i386/predicates.md; update that section to match docstrings.
7129 * doc/tm.texi: Move all documentation of the old constraint-
7130 definition macros to their own section, clearly mark as obsolete.
7132 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7133 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7135 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7136 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7137 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7139 (splits and peepholes): Use satisfies_constraint_*.
7140 * config/i386/i386.c (memory_address_length)
7141 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7143 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7145 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7146 scalar operation to be put back into the loop.
7148 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7151 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7152 (extract_cie_info): Handle S flag in augmentation string.
7153 (execute_cfa_program): If context->signal_frame, execute also
7154 fs->pc == context->ra instructions.
7155 (uw_frame_state_for): If context->signal_frame, don't subtract one
7156 from context->ra to find FDE.
7157 (uw_update_context_1): Set context->signal_frame to
7159 (_Unwind_GetIPInfo): New function.
7160 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7161 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7163 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7164 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7165 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7166 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7167 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7168 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7169 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7170 x86_64_fallback_frame_state): Set fs->signal_frame.
7171 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7172 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7173 (frob_update_context): Likewise. Workaround missing S flag in
7174 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7175 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7176 Remove the psw_addr + 1 hack.
7178 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7180 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7181 with aggregates here.
7182 (find_func_aliases): Remove code for &<aggregate> from here.
7184 2006-02-26 Roger Sayle <roger@eyesopen.com>
7186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7187 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7188 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7191 2006-02-26 Roger Sayle <roger@eyesopen.com>
7194 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7196 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7198 * opts.c (decode_options): Do not handle flag_strength_reduce.
7199 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7200 and OPT_fstrength_reduce.
7201 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7202 flag_prefetch_loop_arrays for being nonzero.
7203 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7205 (fprefetch-loop-arrays-rtl): Removed.
7206 (flag_prefetch_loop_arrays): Do not specify the value.
7208 * doc/passes.texi: Update documentation of loop optimizer
7210 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7211 -frerun-loop-opt): Remove.
7213 2006-02-26 Richard Guenther <rguenther@suse.de>
7215 PR tree-optimization/26421
7216 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7217 in function calls that are ADDR_EXPRs as using the whole structure.
7219 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7221 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7222 * tree-pass.h (pass_loop_optimize): Remove.
7223 * passes.c (pass_loop_optimize): Never run it.
7224 * toplev.c (backend_init): Don't call init_loop.
7225 * opts.c (flag_loop_optimize_set): Remove.
7226 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7227 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7228 the old RTL loop optimizer when profiling enabled.
7229 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7230 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7231 pre-headers for the sake of the old RTL loop optimizer.
7232 * Makefile.in: Remove all references to loop.o.
7234 * doc/invoke.texi: Remove all references to -floop-optimize
7235 and -frerun-loop-opt.
7237 2006-02-26 Zack Weinberg <zackw@panix.com>
7239 * doc/md.texi (Machine Constraints): Refer to all files with paths
7240 relative to gcc directory (i.e. config/CPU/file). Add missing
7241 @table @code ... @end table to M32C subsection.
7243 2006-02-26 Roger Sayle <roger@eyesopen.com>
7245 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7247 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7249 2006-02-26 Roger Sayle <roger@eyesopen.com>
7250 James A. Morrison <phython@gcc.gnu.org>
7253 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7254 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7255 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7256 signedness of the shift operation.
7258 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7260 PR tree-optimization/26359
7261 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7263 2006-02-25 Roger Sayle <roger@eyesopen.com>
7265 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7266 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7267 as X == 0, and some symmetry related transformations.
7268 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7270 2006-02-25 Roger Sayle <roger@eyesopen.com>
7273 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7274 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7275 symmetry related transformations. Fold (X^C1) == C2 as
7278 2006-02-25 Juergen Weigert <jw@suse.de>
7279 Richard Guenther <rguenther@suse.de>
7281 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7283 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7285 * combine.c (gen_lowpart_or_truncate): Call
7286 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7288 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7290 * doc/invoke.texi: Move -fopenmp description to "Options for
7292 Remove reference to -lgomp.
7294 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7296 * doc/install.texi: Require GNU tar version 1.14.
7298 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7300 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7301 * doc/invoke.texi (C++ Dialect Options): Document
7302 -fno-use-cxa-get-exception-ptr.
7303 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7304 * configure: Regenerate.
7305 * c.opt (fuse-cxa-get-exception-ptr): New.
7306 * c-opts.c (c_common_handle_option): Handle
7307 OPT_fuse_cxa_get_exception_ptr.
7308 * c-common.c (flag_use_cxa_atexit): Update documentation.
7309 (flag_use_cxa_get_exception_ptr): New.
7310 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7311 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7313 (C_COMMON_OVERRIDE_OPTIONS): New.
7315 2006-02-24 Roger Sayle <roger@eyesopen.com>
7318 * combine.c (try_combine): Explicitly check whether GET_CODE is
7319 a SET or a CLOBBER, instead on checking that it isn't a USE.
7321 2006-02-24 Roger Sayle <roger@eyesopen.com>
7323 * fold-const.c (fold_comparison): New subroutine of fold_binary
7324 containing transformations common to both the equality and
7325 ordering relational operators, factored out of fold_binary.
7326 (fold_binary): Separate out the equality operators (EQ_EXPR
7327 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7328 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7329 transformations common to both.
7330 (fold_div_compare): Fix latent bugs in the previously unreachable
7331 LT_EXPR and GE_EXPR cases.
7333 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7335 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7336 decl libname for clog to __clog on AIX.
7338 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7340 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7343 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7344 output traceback table for thunks. Localise rs6000_stack_info call.
7346 2006-02-23 Roger Sayle <roger@eyesopen.com>
7347 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7349 * gthr-posix.h (__gthrw): Fix typo in comment.
7351 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7353 * doc/cpp.texi (Character sets): Document that we do support
7354 input files to be in any character set.
7356 2006-02-23 Jeff Law <law@redhat.com>
7358 * tree.h (PHI_ARG_NONZERO): Remove.
7359 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7360 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7361 node to the new node.
7363 PR tree-optimization/26425
7364 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7365 min/max, then assume its varying.
7367 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7369 PR rtl-optimization/26316
7370 * rtlanal.c (enum may_trap_p_flags): New.
7371 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7372 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7373 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7374 (may_trap_after_code_motion_p): New function.
7375 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7376 (find_invariant_insn): Use may_trap_after_code_motion_p.
7377 * rtl.h (may_trap_after_code_motion_p): Declare.
7379 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7381 * emit-rtl.c (immed_double_const): Cleanup.
7383 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7385 Fix PR tree-optimization/26376
7386 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7389 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7392 * gimplify.c (omp_add_variable): Guard variable size decl test with
7393 DECL_SIZE (decl) check.
7395 2006-02-23 Richard Guenther <rguenther@suse.de>
7398 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7399 like aggregate types.
7401 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7403 * configure.ac: Add --with{,out}-long-double-128 configure option.
7404 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7405 * configure: Rebuilt.
7406 * config.in: Rebuilt.
7407 * doc/install.texi (Options specification): Document
7408 --with-long-double-128.
7410 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7411 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7412 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7413 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7415 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7417 * config/s390/s390.c (override_options): Handle
7418 TARGET_DEFAULT_LONG_DOUBLE_128.
7420 * config/alpha/alpha.c (override_options): Handle
7421 TARGET_DEFAULT_LONG_DOUBLE_128.
7423 * config/sparc/sparc.c (sparc_override_options): Handle
7424 TARGET_DEFAULT_LONG_DOUBLE_128.
7426 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7428 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7429 (real-install-headers-tar, real-install-headers-cpio)
7430 (real-install-headers-cp): New targets.
7432 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7434 * tree.h (variable_section): Delete.
7435 * varasm.c (variable_section): Delete.
7437 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7439 * install.texi: Add notes on install.texi2html.
7440 (Building in parallel): Do not use footnotes.
7442 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7445 * doc/install.texi (Configuration): Document --disable-libgomp.
7447 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7449 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7451 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7453 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7454 (vec_extractv2df_0_sse): New.
7456 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7458 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7459 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7460 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7461 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7462 to the result of the expression.
7463 (def_cfa_1): Adjust.
7464 (frame_pointer_cfa_offset): Rename to...
7465 (frame_pointer_fb_offset): ... this. Adjust all uses.
7466 (convert_cfa_to_loc_list): Rename to...
7467 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7468 Pass it on to build_cfa_loc.
7469 (compute_frame_pointer_to_cfa_displacement): Rename to...
7470 (compute_frame_pointer_to_fb_displacement): ... this. New
7471 offset parameter. Use it in computation.
7472 (gen_subprogram_die): Compute cfa_fb_offset with the new
7473 macro, and use it to compute the fb loc list and the
7476 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7478 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7479 replaced with register_operand.
7480 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7481 non-DREG is expensive.
7482 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7483 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7486 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7488 * doc/install.texi2html: Use set -e.
7490 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7492 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7493 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7494 * doc/invoke.texi (-fshared-data): Delete.
7495 * common.opt (fshared-data): Delete.
7496 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7497 (assemble_static_space): Remove #if 0 code.
7498 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7499 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7500 * config/cris/cris.h: Remove FIXME.
7502 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7504 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7507 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7510 * combine.c (simplify_shift_const_1): Disable nested shifts
7511 optimization for vector shifts.
7513 2006-02-20 Roger Sayle <roger@eyesopen.com>
7515 PR tree-optimization/26361
7516 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7517 of unsigned integer types.
7519 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7521 * tree-chrec.c (eq_evolutions_p): New.
7522 * tree-chrec.h (eq_evolutions_p): Declared.
7523 * tree-data-ref.c: Fix formatting.
7524 (datadep_stats, dependence_stats): New.
7526 (print_direction_vector): New.
7527 (dump_data_dependence_relation): Use print_direction_vector.
7528 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7529 (compute_subscript_distance): Static.
7530 (initialize_data_dependence_relation): Static. Get the number
7531 of loops surrounding the references from the callers, and initialize
7532 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7533 base_object_differ_p analyzers.
7534 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7535 compute_overlap_steps_for_affine_1_2,
7536 analyze_subscript_affine_affine): Count the classified dependences.
7537 Print a message when a test failed.
7538 (can_use_analyze_subscript_affine_affine): New.
7539 (analyze_siv_subscript): Compute the data dependences on symbolic
7540 scevs that verify can_use_analyze_subscript_affine_affine.
7541 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7542 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7543 Handle symbolic scevs.
7544 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7546 (subscript_dependence_tester): Moved...
7547 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7548 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7549 DDR_SIZE_VECT instead of getting it in parameter.
7550 (subscript_dependence_tester): ... here. Take as a parameter
7551 loop_nest_depth. Call build_classic_dist_vector and
7552 build_classic_dir_vector.
7553 (compute_affine_dependence): Update subscript_dependence_tester
7554 parameters. Update datadep_stats counters. Call
7555 compute_subscript_distance.
7556 (compute_self_dependence): Save the dist and dir vectors. Call
7557 compute_subscript_distance.
7558 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7559 (compute_all_dependences): Reorder parameters as they were before
7560 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7561 compute_subscript_distance. Update the use of
7562 compute_affine_dependence and initialize_data_dependence_relation.
7563 (find_data_references_in_loop): Handle COMPONENT_REF.
7564 (compute_data_dependences_for_loop): Initialize dependence_stats.
7565 Don't call build_classic_dist_vector and build_classic_dir_vector.
7566 Update the parameters of initialize_data_dependence_relation and
7567 compute_all_dependences. Print the statistics from datadep_stats.
7568 (analyze_all_data_dependences): Static. Not used until the pass for
7569 checking the data dependences is contributed.
7570 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7571 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7572 (initialize_data_dependence_relation, compute_affine_dependence,
7573 analyze_all_data_dependences, compute_subscript_distance): Removed.
7574 (print_direction_vector): New.
7575 * lambda.h (gcd): ... here.
7576 (lambda_vector_gcd): Moved here from gcd_vector.
7577 * lambda-code.c (gcd, gcd_vector): Removed.
7578 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7579 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7581 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7583 * ipa-type-escape.c: Tidy some comments and white space.
7584 * tree-ssa-operands.c: Likewise.
7586 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7589 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7590 (dump_decl_name): Do not walk the decl tree chains.
7591 * tree-pass.h (TDF_CHAIN): Remove.
7593 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7595 * Makefile.in (C): Remove
7597 (.PHONY): Remove C and PROTO
7599 2006-02-20 Roger Sayle <roger@eyesopen.com>
7602 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7603 deprecated CHAR_TYPE tree code.
7605 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7607 * configure.ac (target_list): Add install-info, dvi, html.
7608 * configure: Regenerate.
7610 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7611 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7612 treelang/Make-lang.in: Do not use double-colon rules.
7614 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7616 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7617 (TMT_USED_ALONE): New macro.
7618 * tree-pass.h (PROP_tmt_usage): New property.
7619 (TODO_update_tmt_usage): New todo.
7620 * tree-ssa-alias.c (updating_used_alone): New variable.
7621 (recalculate_used_alone): New function.
7622 (compute_may_aliases): Set updating_used_alone, call
7623 recalculate_used_alone.
7624 * tree-sra.c (pass_sra): Note that this pass destroys
7625 PROP_tmt_usage, and add TODO_update_tmt_usage.
7626 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7627 * tree-flow.h (updating_used_alone): Prototype.
7628 (recalculate_used_alone): Ditto.
7629 * passes.c (execute_todo): Add code to set updating_used_alone,
7630 and call recalculate.
7631 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7632 for clobber if used alone, and add assert to verify used_alone
7635 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7637 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7638 for non tls symbols added.
7639 (legitimize_address): Do nothing for PLUS expressions if one of the
7640 addends is a tls symbol reference.
7642 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7646 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7648 * Makefile.in (BOOTSTRAPPING): New.
7649 (quickstrap): New definition if BOOTSTRAPPING=yes.
7651 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7652 * configure.ac: Substitute all_selected_languages with the languages
7653 that were configured. For all the other variables except
7654 lang_specs_files, include all the languages in the tree.
7655 * configure: Regenerate.
7657 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7658 if there is one. Run the commands to run fixincludes in the same
7661 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7662 * doc/install.texi: Document exact conventions for searching target tools.
7663 Document --with-build-time-tools. Document toplevel bootstrap. Document
7664 something more about building an Ada cross-compiler. Don't list GNU Make
7665 requirements which affect all platforms.
7667 2006-02-19 Roger Sayle <roger@eyesopen.com>
7670 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7671 only equivalent if the have both the same mode and precision.
7673 2006-02-20 Ben Elliston <bje@au.ibm.com>
7675 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7677 2006-02-19 Roger Sayle <roger@eyesopen.com>
7678 Steven Bosscher <stevenb.gcc@gmail.com>
7680 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7681 constant pool references to identify stack mode constants.
7682 * rtlanal.c (constant_pool_constant_p): New predicate to check
7683 whether operand is a floating point constant in the pool.
7684 * rtl.h (constant_pool_constant_p): Prototype here.
7685 * loop.c (scan_loop): Avoid hoisting constants from the constant
7686 pool on STACK_REGS targets.
7687 (load_mems): Likewise.
7688 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7689 loads into x87 registers expensive in terms of register pressure.
7691 2006-02-19 Roger Sayle <roger@eyesopen.com>
7693 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7694 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7696 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7698 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7699 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7701 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7703 * doc/invoke.texi: Document -fipa-pta.
7704 * common.opt: Add ipa-pta option.
7705 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7706 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7707 (do_ds_constraint): Ditto.
7708 (get_constraint_for): Only add to referenced_vars if
7709 referenced_vars exists.
7710 (insert_into_field_list): Rewrite to do this unsorted.
7711 (insert_into_field_list_sorted): Rename old insert_into_field_list
7713 (create_function_info_for): Use insert_into_field_list_sorted.
7714 (create_variable_info_for): Rewrite so it uses unsorted version,
7715 since the field list is sorted.
7716 (intra_create_variable_infos): Only add to referenced_vars if
7717 referenced_vars exists.
7718 (ipa_pta_execute): Init heapvars, and delete when done.
7719 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7721 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7723 * doc/install.texi: Add missing `@samp'.
7725 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7727 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7730 2006-02-18 Mark Wielaard <mark@klomp.org>
7732 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7733 who added new 4.1 features, bug fixes and integration support.
7735 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7738 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7741 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7743 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7744 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7745 (copy_insn_1): Likewise. Don't copy each field individually.
7747 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7749 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7750 * rtl.c (rtx_size): Rename variable to...
7751 (rtx_code_size): ...this.
7752 (rtx_size): New function.
7753 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7754 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7756 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7757 * rtl.h (rtx_code_size): New variable.
7758 (rtx_size): Change from a variable to a function.
7759 (RTX_SIZE): Rename to...
7760 (RTX_CODE_SIZE): ...this.
7763 PR tree-optimization/17106
7764 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7765 (Anchored Addresses): New section.
7766 * doc/invoke.texi (-fsection-anchors): Document.
7767 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7768 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7769 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7770 * hooks.c (hook_bool_mode_rtx_false): New function.
7771 * hooks.h (hook_bool_mode_rtx_false): Declare.
7772 * gengtype.c (create_optional_field): New function.
7773 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7774 SYMBOL_REF_IN_BLOCK_P is true.
7775 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7776 (min_anchor_offset, max_anchor_offset): Likewise.
7777 (use_anchors_for_symbol_p): New hook.
7778 * toplev.c (compile_file): Call output_object_blocks.
7779 (target_supports_section_anchors_p): New function.
7780 (process_options): Check that -fsection-anchors is only used on
7781 targets that support it and when -funit-at-a-time is in effect.
7782 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7783 if the decl doesn't have one.
7784 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7785 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7786 of force_const_mem through use_anchored_address.
7787 (expand_expr_constant): New function.
7788 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7789 calling expand_expr for INDIRECT_REF.
7790 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7791 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7792 * expr.h (use_anchored_address): Declare.
7793 * loop-unroll.c: Don't declare rtx vectors here.
7794 * explow.c: Include output.h.
7795 (validize_mem): Call use_anchored_address.
7796 (use_anchored_address): New function.
7797 * common.opt (-fsection-anchors): New switch.
7798 * varasm.c (object_block_htab, anchor_labelno): New variables.
7799 (hash_section, object_block_entry_eq, object_block_entry_hash)
7800 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7801 (use_blocks_for_decl_p, change_symbol_section): New functions.
7802 (get_variable_section): New function, split out from assemble_variable.
7803 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7804 use_blocks_for_decl_p say so. Use change_symbol_section if the
7805 symbol has already been created.
7806 (assemble_variable_contents): New function, split out from...
7807 (assemble_variable): ...here. Don't output any code for
7808 block symbols; just pass them to place_block_symbol.
7809 Use get_variable_section and assemble_variable_contents.
7810 (get_constant_alignment, get_constant_section, get_constant_size): New
7811 functions, split from output_constant_def_contents.
7812 (build_constant_desc): Create a block symbol if use_object_blocks_p
7813 says so. Or into SYMBOL_REF_FLAGS.
7814 (assemble_constant_contents): New function, split from...
7815 (output_constant_def_contents): ...here. Don't output any code
7816 for block symbols; just pass them to place_section_symbol.
7817 Use get_constant_section and get_constant_alignment.
7818 (force_const_mem): Create a block symbol if use_object_blocks_p and
7819 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7820 (output_constant_pool_1): Add an explicit alignment argument.
7821 Don't switch sections here.
7822 (output_constant_pool): Adjust call to output_constant_pool_1.
7823 Switch sections here instead. Don't output anything for block symbols;
7824 just pass them to place_block_symbol.
7825 (init_varasm_once): Initialize object_block_htab.
7826 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7827 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7828 (place_block_symbol, get_section_anchor, output_object_block)
7829 (output_object_block_htab, output_object_blocks): New functions.
7830 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7831 (TARGET_ASM_OUT): Include it.
7832 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7833 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7834 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7835 (TARGET_INITIALIZER): Include them.
7836 * rtl.c (rtl_check_failed_block_symbol): New function.
7837 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7838 (block_symbol, object_block): New structures.
7839 (rtx_def): Add a block_symbol field to the union.
7840 (BLOCK_SYMBOL_CHECK): New macro.
7841 (rtl_check_failed_block_symbol): Declare.
7842 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7843 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7844 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7845 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7846 * output.h (output_section_symbols): Declare.
7847 (object_block): Name structure.
7848 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7849 (default_use_anchors_for_symbol_p): Declare.
7850 * Makefile.in (RTL_BASE_H): Add vec.h.
7851 (explow.o): Depend on output.h.
7852 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7853 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7854 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7855 (rs6000_use_blocks_for_constant_p): New function.
7857 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7859 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7861 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7864 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7867 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7869 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7873 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7876 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7877 instead of DECL_REGISTER.
7879 2006-02-18 Olivier Hainque <hainque@adacore.com>
7882 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7884 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7887 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7888 * opth-gen.awk: Handle Var and InverseMask together.
7889 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7890 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7891 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7892 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7894 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7895 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7896 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7897 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7898 LINUX_DYNAMIC_LINKER): Define.
7899 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7900 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7902 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7903 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7904 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7906 (TARGET_C99_FUNCTIONS): Don't define.
7907 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7908 GLIBC_DYNAMIC_LINKER.
7909 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7910 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7911 GLIBC_DYNAMIC_LINKER64): Define.
7912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7913 LINUX_DYNAMIC_LINKER64.
7914 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7916 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7918 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7920 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7921 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7922 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7924 and LINUX_DYNAMIC_LINKER32.
7925 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7927 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7929 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7931 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7932 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7933 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7934 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7935 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7936 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7937 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7938 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7939 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7940 LINUX_DYNAMIC_LINKER): Define.
7941 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7942 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7943 GLIBC_DYNAMIC_LINKER64): Define.
7944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7945 LINUX_DYNAMIC_LINKER64.
7946 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7947 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7948 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7949 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7950 LINUX_DYNAMIC_LINKER): Define.
7951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7952 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7953 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7954 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7955 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7956 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7957 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7958 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7959 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7960 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7962 * doc/invoke.texi (-muclibc): Remove caveat about supported
7965 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7967 * doc/cpp.texi (__TIMESTAMP__): Document.
7969 2006-02-17 Roger Sayle <roger@eyesopen.com>
7972 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7973 C is one less than the width of X (and related transformations).
7974 * simplify-rtx.c (simplify_unary_operation_1): Transform
7975 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7976 depending on STORE_FLAG_VALUE, were C is one less then the
7979 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7981 Fix PR tree-optimization/26341
7982 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7983 about NAME_MEMORY_TAG's.
7985 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7988 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7989 with hardware float support, and software float support. Add fcpy
7990 alternative to hardware patterns. Add alternatives to copy between
7991 general and floating-point registers to the 32-bit pattern.
7992 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7993 secondary reload to load a QI or HI mode constant into a floating
7995 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7996 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7998 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8001 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8003 (load_macho_picbase_di): Likewise.
8005 2006-02-16 Jeff Law <law@redhat.com>
8007 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8008 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8009 (ssa_name_nonzero_p): Likewise.
8010 (get_value_range): Return NULL if VRP is not running.
8011 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8012 VRP routines do not discover a range.
8013 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8014 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8015 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8016 (tree_expr_nonnegative_p): Similarly.
8017 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8018 (restore_nonzero_vars_to_original_value): Remove.
8019 (unsafe_associative_fp_binop): Remove.
8020 (tree_ssa_dominator_optimize): Remove initialization and
8021 finalization of nonzero_vars and nonzero_vars_stack.
8022 (dom_opt_initialize_block): No longer push marker on
8024 (dom_opt_finalize_block): No longer call
8025 restore_nonzero_vars_to_original_value.
8026 (record_equivalences_from_phis): No longer look for
8027 nonzero PHI arguments.
8028 (cprop_into_successor_phis): No longer propagate nonzero
8029 property into PHI arguments. Lose unused argument. Caller
8031 (record_equivalences_from_stmt): No longer record nonzero
8032 values for SSA_NAMEs.
8033 (lookup_avail_expr): No longer use nonzero_vars.
8035 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8036 for sizetype when sizetype is unsigned.
8038 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8040 PR rtl-optimization/25603
8041 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8042 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8043 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8044 with new meaning of SETS.
8046 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8051 * config/linux.opt: New file.
8052 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8053 LINUX_DYNAMIC_LINKER): Define.
8054 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8055 * config.gcc (*-*-linux*): Define extra_options.
8056 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8057 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8058 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8059 GLIBC_DYNAMIC_LINKER.
8060 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8061 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8062 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8064 * doc/invoke.texi (GNU/Linux Options): New section.
8066 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8068 * config/sparc/sparc.md (setjmp): Rewrite.
8069 (setjmp_32): Delete.
8070 (setjmp_64): Likewise.
8072 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8074 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8077 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8079 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8082 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8084 PR rtl-optimization/26296
8085 * Makefile.in (loop-invariant.c): Add except.h dependency.
8086 * loop-invariant.c: Include except.h.
8087 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8089 2005-02-16 Paul Brook <paul@codesourcery.com>
8091 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8094 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8096 PR rtl-optimization/25636
8097 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8098 when deciding whether an insn is an initializing insn.
8100 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8102 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8103 (tree_code_size): Ditto.
8104 * tree.h (struct tree_memory_tag): Remove parent_var.
8105 (struct tree_struct_field_tag): New.
8108 (union tree_node): Add sft member.
8109 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8111 (create_sft): Add size and offset argument, set SFT_OFFSET and
8113 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8114 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8115 * tree-flow-inline.h (get_subvar_at): Update for
8116 SFT_OFFSET/SFT_SIZE.
8117 (var_can_have_subvars): Ditto.
8118 (overlap_subvar): Ditto.
8119 * print-tree.c (print_node): Print out interesting things for
8121 * tree-flow.h (struct subvar): Remove offset and size members.
8122 * tree-ssa-operands.c (get_expr_operands): Update for
8123 get_indirect_ref_operands changes.
8124 (get_indirect_ref_operands): Call add_virtual_operand instead of
8125 add_stmt_operand. Only recurse on base var if requested.
8126 (access_can_touch_variable): New function.
8127 (add_stmt_operand): Split virtual operand handling into ...
8128 (add_virtual_operand): Here. Add offset, size, and for_clobber
8129 arguments. Prune alias sets.
8130 (add_call_clobber_ops): Call add_virtual_operand.
8132 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8135 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8137 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8138 than TREE_CODE as index into omp_clause_num_ops array.
8140 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8142 PR rtl-optimization/26184
8143 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8145 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8146 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8147 must_precede, must_follow and tobe_scheduled.
8150 * opts.c (common_handle_option): Free new_option pointer.
8151 * df-core.c (df_analyze): Free postorder pointer.
8153 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8155 * Makefile.in: Fix the examples about the use of stamps
8157 2006-02-15 Michael Matz <matz@suse.de>
8161 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8162 influenced by maximum_field_alignment or DECL_PACKED.
8163 (update_alignment_for_field): Ditto.
8164 (place_field): Ditto.
8165 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8168 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8170 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8171 (debug_flow_info): Pass it.
8172 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8173 * bb-reorder.c (reorder_basic_blocks): Likewise.
8174 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8175 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8176 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8177 * gcse.c (gcse_main, bypass_jumps): Likewise.
8178 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8179 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8180 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8181 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8182 * rtl.h (dump_flow_info): Adjust prototype.
8183 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8184 * var-tracking.c (variable_tracking_main): Likewise.
8185 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8186 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8189 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8191 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8194 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8196 PR tree-optimization/26209
8197 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8198 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8200 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8202 2006-02-14 Roger Sayle <roger@eyesopen.com>
8205 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8206 (X,Y) and the corresponding symmetry related transformations.
8207 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8208 (X,Y) and its symmetry related transformations.
8210 2006-02-14 Roger Sayle <roger@eyesopen.com>
8212 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8215 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8217 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8219 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8222 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8223 support COMDAT group.
8224 * configure: Regenerate.
8226 2006-02-14 Roger Sayle <roger@eyesopen.com>
8231 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8233 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8235 Fix PR tree-optimization/26260
8237 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8239 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8240 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8241 * tree-ssa-structalias.c (create_variable_info_for): Use
8242 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8244 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8246 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8248 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8249 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8250 of the ending condition.
8251 * tree-ssa-loop-manip.c: Include params.h.
8252 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8253 tree_unroll_loop): New functions.
8254 * tree-pass.h (pass_loop_prefetch): Declare.
8255 * loop.c (rest_of_handle_loop_optimize): Test for
8256 -fprefetch-loop-arrays-rtl.
8257 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8258 * timevar.def (TV_TREE_PREFETCH): New timevar.
8259 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8260 pass_loop_prefetch): New.
8261 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8262 (cleanup_tree_cfg_loop): Call scev_reset.
8263 * common.opt (fprefetch-loop-arrays-rtl): Add.
8264 * tree-ssa-loop-prefetch.c: New file.
8265 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8266 (new_temp_expr_table): Initialize expr_vars.
8267 (free_temp_expr_table): Cleanup expr_vars.
8268 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8269 expressions from being merged into one.
8270 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8271 (struct tree_niter_desc): Add control, bound and cmp fields.
8272 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8274 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8275 (tree-cfgcleanup.o): Add SCEV_H dependency.
8276 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8277 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8279 2006-02-14 Richard Guenther <rguenther@suse.de>
8281 PR tree-optimization/26258
8282 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8283 in PHI argument processing.
8285 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8287 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8288 new expression in the requested machine mode.
8290 2006-02-13 Roger Sayle <roger@eyesopen.com>
8292 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8293 directly, instead let do_compare_rtx_and_jump handle this for us.
8294 * expr.c (expand_expr_real_1): Likewise.
8295 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8296 before do_jump_by_parts_greater.
8297 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8298 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8300 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8302 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8304 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8306 PR rtl-optimization/26235
8307 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8308 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8311 2006-02-13 Jeff Law <law@redhat.com>
8313 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8316 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8319 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8320 twice if decl is a builtin. When trying again, call get_callee_fndecl
8321 first to verify it is still a builtin.
8323 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8325 * dwarf2out.c (base_type_die): Don't add AT_name here.
8326 (subrange_type_die): Don't add AT_name here.
8327 (modified_type_die): Rearrange code flow. Do add AT_name here.
8329 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8331 PR rtl-optimization/26247
8332 PR rtl-optimization/26248
8333 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8335 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8337 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8338 * config/fixtfdi.c: Likewise.
8339 * config/fixunstfdi.c: Likewise.
8340 * config/floatditf.c: Likewise.
8342 2006-02-13 Roger Sayle <roger@eyesopen.com>
8345 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8346 into (X,C2) if C1 is a subset of the bits of C2. Transform
8347 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8349 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8351 2006-02-13 Josh Conner <jconner@apple.com>
8354 * varasm.c (function_section): Check for section name before
8355 calling select_section on targets that define
8356 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8357 unlikely_text_section instead of hot_function_section if
8358 first_function_block_is_cold.
8360 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8363 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8365 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8367 PR rtl-optimization/26222
8368 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8369 after tree->rtl expansion.
8370 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8371 before passing it to emit_move_insn.
8373 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8375 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8377 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8378 Clarify documentation.
8379 * c-common.h (warn_write_strings): Remove.
8380 * c-common.c (warn_write_strings): Likewise.
8381 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8384 2006-02-12 Roger Sayle <roger@eyesopen.com>
8387 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8388 (do_jump_parts_zero_rtx): New function renamed from
8389 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8390 (do_jump_parts_equality_rtx): New function split out from
8391 do_jump_parts_equality. Old implementation renamed as above.
8392 Call do_jump_parts_zero_rtx if either operand is zero.
8393 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8394 do all of the heavy lifting.
8395 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8396 calling either do_jump_by_parts_greater_rtx or
8397 do_jump_by_parts_equality_rtx.
8398 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8399 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8400 moved to do_compare_rtx_and_jump, call it directly.
8401 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8402 mode argument. Call do_compare_rtx_and_jump.
8403 (emit_case_nodes): Update calls to do_jump_if_equal.
8405 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8407 PR rtl-optimization/26225
8408 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8410 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8412 PR rtl-optimization/26232
8413 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8415 2006-02-11 Jason Merrill <jason@redhat.com>
8418 * tree-inline.c (declare_return_variable): Just don't use the
8419 modify target if it's a gimple complex reg and the return slot
8422 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8424 * doc/contrib.texi: Update my entry.
8426 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8428 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8430 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8432 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8435 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8437 * doc/invoke.texi (-floop-optimize2): Removed.
8438 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8439 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8440 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8441 * common.opt (floop-optimize2): Removed.
8442 (fmove-loop-invariants): Enabled by default.
8444 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8446 * tree-if-conv.c (combine_blocks): Free the result of
8447 get_loop_exit_edges.
8449 2006-02-10 Jeff Law <law@redhat.com>
8451 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8453 PR tree-optimization/26213
8454 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8455 loop trying to follow SSA_NAME_VALUE chains.
8457 2006-02-10 Richard Guenther <rguenther@suse.de>
8459 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8460 deal with structures that end in implicitly variable sized arrays.
8462 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8464 PR rtl-optimization/24762
8465 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8468 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8470 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8471 (struct ivopts_data): Add regs_used field.
8472 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8473 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8474 instead of loop_data->regs_used;
8475 (free_loop_data): Do not free aux fields for loops.
8476 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8477 and tree_ssa_iv_optimize_finalize.
8479 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8481 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8483 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8486 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8487 computing the effective result type.
8489 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8492 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8493 (tree_overlaps_hard_reg_set): Declare.
8494 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8495 type and signature to match function type expected by walk_tree.
8496 (tree_overlaps_hard_reg_set): New function.
8497 (decl_conflicts_with_clobbers_p): Rename to:
8498 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8499 Use tree_overlaps_hard_reg_set. Changed caller.
8500 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8501 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8502 * cris.c (cris_md_asm_clobbers): Likewise.
8504 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8506 * reload1.c (emit_input_reload_insns): Delete code that tries to
8507 inherit using find_equiv_reg.
8509 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8511 * c-common.h (flag_const_strings): Don't declare.
8512 * c-common.c (flag_const_strings): Remove.
8513 * c.opt (fconst_strings): Remove.
8514 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8515 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8516 (c_common_init_options): Don't set flag_const_strings.
8517 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8519 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8521 * arm.md (tlobits_cbranch): New pattern.
8522 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8523 testing a single bit.
8525 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8528 * tree-ssa-pre.c (create_component_ref_by_pieces):
8529 Handle RETURN_DECL like VAR_DECL.
8531 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8534 * fold-const.c (fold_indirect_ref_1): Fold
8535 "*(foo *)&complexfoo" to "__real__ complexfoo"
8536 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8538 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8540 * tree-flow-inline.h (var_can_have_subvars):
8541 Volatile variables should not have subvariables.
8543 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8546 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8547 multiplying unsigned values.
8550 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8552 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8554 2006-02-08 Jason Merrill <jason@redhat.com>
8557 * tree.def: Elaborate on difference from MODIFY_EXPR.
8558 * doc/c-tree.texi (INIT_EXPR): Likewise.
8559 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8560 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8561 (gimplify_target_expr): Likewise.
8562 (gimplify_cond_expr): Remove target handling.
8563 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8564 (gimplify_expr): Clobber it here.
8565 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8566 Do return slot optimization if we have an INIT_EXPR.
8569 * tree-inline.c (declare_return_variable): Also clear
8570 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8573 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8576 * gimplify.c (gimplify_one_sizepos): Fix typo.
8578 2006-02-08 Jeff Law <law@redhat.com>
8580 PR tree-optimization/21417
8581 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8582 across a backedge if the control statement at the end of the
8583 block is data dependent on other statements in the same block.
8584 (record_temporary_equivalences_from_stmts): Remove over-conservative
8585 test for threading across backedges.
8587 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8588 control statement, handle all three special cases in the same
8589 manner as they all have the same desired solution. No longer
8590 special case edge flag updating when the post dominator is
8593 2006-02-08 Roger Sayle <roger@eyesopen.com>
8595 * tree.def (CHAR_TYPE): Remove.
8596 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8597 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8598 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8599 (gen_string_type_die): Delete unreachable function.
8601 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8602 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8603 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8604 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8605 * builtins.c (type_to_class): Likewise.
8606 * fold-const.c (fold_convert, build_range_check,
8607 merge_ranges): Likewise.
8608 * expr.c (count_type_elements): Likewise.
8609 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8610 * stor-layout.c (layout_type): Likewise.
8611 * ipa-type-escape.c (type_to_consider): Likewise.
8612 * gimplify.c (omp_firstprivatize_type_sizes,
8613 gimplify_type_sizes): Likewise.
8614 * explow.c (promote_mode): Likewise.
8615 * tree-sra.c (is_sra_scalar_type): Likewise.
8616 * varasm.c (output_constant): Likewise.
8617 * tree-inline.c (remap_type_1): Likewise.
8618 * convert.c (convert_to_pointer, convert_to_real,
8619 convert_to_integer, convert_to_complex): Likewise.
8621 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8623 * df-scan.c (df_def_record_1): A set destination may
8624 be a parallel regardless of mode.
8626 2006-02-08 Roger Sayle <roger@eyesopen.com>
8629 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8630 * config/mips/_tilib.c: Remove.
8631 * config/fixtfdi.c: New libgcc source file.
8632 * config/fixunstfdi.c: New source file.
8633 * config/floatditf.c: New source file.
8634 * config/floatunditf.c: New souce file.
8635 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8636 files above instead of config/mips/_tilib.c.
8637 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8639 2006-02-08 Jeff Law <law@redhat.com>
8641 PR tree-optimization/26169
8642 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8645 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8647 * df.h (DF_REG_SIZE): Return the length of the initialized
8650 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8652 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8653 __muldf3): Return a correctly signed zero.
8655 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8657 * passes.c (register_one_dump_file): Accept the current properties
8658 instead of pass number. Adjust call to dump_register. Remove
8660 (register_dump_files): Now a wrapper around...
8661 (register_dump_files_1): ... this one. Do not modify the pass
8663 (next_pass_1): Cosmetic fix.
8664 (execute_todo): Keep second parameter only. Use curr_properties
8665 instead of fetching it from the pass structure. Check and set
8667 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8668 instead of fetching it from the pass structure. Fix calls to
8669 execute_todo. Update curr_properties and initialize .vcg RTL dump
8670 after running the pass. Reset last_verified.
8671 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8673 (FIRST_AUTO_NUMBERED_DUMP): New.
8674 (dump_register): Remove "num" parameter, assign it within the
8676 (get_dump_file_name): Modify template for dumps.
8677 * tree-dump.h (dump_register): Adjust prototype.
8678 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8679 (PROP_trees): Add PROP_gimple_lomp.
8680 (TODO_set_props): New.
8681 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8682 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8683 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8685 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8687 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8688 (sparc64-*-linux*): Likewise.
8689 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8690 * config/sparc/t-linux: New file.
8691 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8692 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8693 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8694 -m32 -mlong-double-128.
8696 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8697 * config/alpha/t-linux: New file.
8698 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8700 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8701 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8702 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8703 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8704 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8705 (CPP_ARCH32_SPEC): Remove.
8707 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8709 PR tree-optimization/26145
8710 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8713 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8716 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8717 >= 240000 when generating code for SOM runtime.
8718 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8719 to $$dyncall when generating code for SOM runtime..
8721 2006-02-07 Dirk Mueller <dmueller@suse.com>
8724 * doc/invoke.texi (-Wsequence-point): Update documentation
8725 that -Wsequence-point is implemented for C++ as well.
8727 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8729 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8730 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8731 (LIB_SPEC): Likewise.
8732 * doc/invoke.texi (SPARC options): Document -pthread.
8734 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8736 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8739 2006-02-07 Roger Sayle <roger@eyesopen.com>
8741 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8742 Correct comment describing BOOLEAN_TYPE.
8744 2006-02-07 Dirk Mueller <dmueller@suse.com>
8746 * c.opt: C++ frontend supports -Wdiv-by-zero.
8747 * c-opts.c (c_common_handle_option): Remove dead case.
8749 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8751 * configure.ac (TLS assembler check): Do not enable TLS by
8752 default on SPARC/Solaris before version 10.
8753 * configure: Regenerate.
8755 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8757 * doc/invoke.texi (xl-compat): Document conversion and support
8760 2006-02-07 Jeff Law <law@redhat.com>
8762 * tree-vrp.c (find_conditional_asserts): Update comments.
8763 (simplify_stmt_for_jump_threading): New.
8764 (identify_jump_threads, finalize_jump_threads): New.
8765 (vrp_finalize): Call identify_jump_threads.
8766 (execute_vrp): Call finalize_jump_threads.
8767 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8768 (vrp_element, vrp_data, vrp_element_p): Remove.
8769 (vrp_hash_elt, vrp_variables_stack): Remove.
8770 (vrp_hash, vrp_eq, record_range): Remove.
8771 (simplify_cond_and_lookup_avail_expr): Remove.
8772 (extract_range_from_cond): Remove.
8773 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8774 (simplify_stmt_for_jump_threading): New.
8775 (dom_thread_across_edge): New wrapper.
8776 (tree_ssa_dominator_optimize): No longer initialize or
8777 finalize any of the VRP datastructures. Remove iteration
8778 step and simplify as a result of removal of iteration step.
8779 (pass_dominator): Perform a cfg cleanup after DOM.
8780 (dom_opt_finalize_block): Use the new common routines
8781 for threading jumps. Simplify stack management slightly.
8782 No longer need to unwind VRP state.
8783 (record_equivalences_from_incoming_edge): No longer record
8785 (eliminate_redundant_computations): No longer call
8786 simplify_cond_and_lookup_avail_expr.
8787 * tree-flow.h (potentially_threadable_block): Prototype.
8788 (thread_across_edge): Likewise.
8789 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8790 (tree-ssa-threadedge.o): Add dependencies.
8791 * tree-ssa-threadedge.c: New file.
8792 * passes.c (init_optimization_passes): Merge PHIs before
8793 calling VRP. Run VRP again late in the SSA optimization pipeline.
8795 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8797 * df-core.c (df_set_blocks): Do not dereference function pointers.
8798 (df_finish1): Likewise.
8799 (df_hybrid_search_forward): Likewise.
8800 (df_hybrid_search_backward): Likewise.
8801 (df_iterative_dataflow): Likewise.
8802 (df_analyze_problem): Likewise.
8803 (df_compact_blocks): Likewise.
8804 (df_dump): Likewise.
8805 * df-scan.c (df_rescan_blocks): Likewise.
8806 (df_record_entry_block_defs): Likewise.
8808 * genconditions.c (write_conditions): Guard the definition of
8809 'insn_conditions' with the check on GCC version.
8810 (write_writer): Guard the traversal 'insn_conditions' with
8811 the check on GCC version.
8813 2006-02-07 Richard Guenther <rguenther@suse.de>
8817 2006-01-30 Richard Guenther <rguenther@suse.de>
8819 * gimplify.c (gimplify_target_expr): Handle easy cases
8820 without creating a temporary.
8822 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8824 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8825 use of float in probability computations. Use edge probabilities
8826 in place of statically computed probabilities.
8827 (min_spec_prob): New static variable.
8828 (schedule_insns): Initialize it.
8829 (GET_SRC_PROB): Removed.
8830 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8832 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8835 * config/ia64/unwind-ia64.c: Revert last change.
8836 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8837 (INCOMING_FRAME_SP_OFFSET): Define.
8839 2006-02-06 Roger Sayle <roger@eyesopen.com>
8841 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8843 2006-02-07 Ben Elliston <bje@au.ibm.com>
8845 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8846 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8847 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8848 (ix86_return_in_memory): Handle TDmode.
8849 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8850 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8852 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8854 * reorg.c (dbr_schedule): Use dump_file instead of file.
8856 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8859 * config/ia64/predicates.md (extr_len_operand): New predicate.
8860 * config/ia64/ia64.md (extv): Tighten constraints.
8862 (*tbit_and_2): Ditto.
8863 (*tbit_and_3): Ditto.
8864 (*tbit_or_2): Ditto.
8865 (*tbit_or_3): Ditto.
8869 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8872 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8874 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8876 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8877 loop_optimizer_init and loop_optimizer_finalize
8878 * tree-ssa-sink.c (execute_sink_code): Ditto.
8879 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8880 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8881 tree_ssa_loop_done): Ditto.
8882 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8883 * sched-ebb.c: Include output.h.
8884 (schedule_ebbs): Do not use dump argument.
8885 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8886 * loop.c (loop_dump_stream): Removed.
8887 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8889 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8890 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8891 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8892 loop_iterations, strength_reduce, record_biv, record_giv,
8893 final_giv_value, check_final_value, check_ext_dependent_givs,
8894 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8895 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8896 dump_file instead of loop_dump_stream.
8897 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8899 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8901 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8902 * haifa-sched.c: Include output.h
8903 (schedule_insns, sched_init): Do not use dump argument.
8904 * mode-switching.c (optimize_mode_switching): Ditto.
8905 * modulo-sched.c (stats_file): Removed.
8906 (print_node_sched_params): Do not call argument dump_file.
8907 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8908 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8910 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8912 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8913 rtl_loop_init, rtl_loop_done): Ditto.
8914 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8915 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8917 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8918 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8919 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8920 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8921 * emit-rtl.c (renumber_insns): Ditto.
8922 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8923 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8924 * regclass.c (regclass): Ditto.
8925 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8926 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8927 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8928 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8930 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8931 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8933 * gcse.c (gcse_file, debug_stderr): Removed.
8934 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8935 rest_of_handle_gcse): Do not use dump argument.
8936 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8937 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8938 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8939 compute_code_hoist_vbeinout, compute_code_hoist_data,
8940 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8941 compute_store_table, build_store_vectors, insert_insn_start_bb,
8942 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8943 store_motion): Use dump_file instead of gcse_file.
8944 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8945 * profile.c (profile_dump_file): Removed.
8946 (branch_prob): Use dump_file instead of profile_dump_file.
8947 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8949 * tree-ssa-copy.c (dump_copy_of): Ditto.
8950 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8951 dump file to life_analysis.
8952 * bt-load.c (branch_target_load_optimize): Ditto.
8953 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8955 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8956 regclass, dbr_schedule): Declaration changed.
8957 * sched-int.h (sched_init): Declaration changed.
8958 * tree-profile.c (tree_profile_dump_file): Removed.
8959 (tree_profile_hooks): Removed profile_dump_file hook.
8960 * rtl-profile (rtl_profile_dump_file): Removed.
8961 (rtl_profile_hooks): emoved profile_dump_file hook.
8962 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8964 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8965 * tree-cfg.c (build_tree_cfg): Ditto.
8966 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8967 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8968 Declaration changed.
8969 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8970 life_analysis and schedule_insns.
8971 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8973 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8975 * config/mips/mips.c (mips_reorg): Ditto.
8976 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8979 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8981 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8982 (s390_mangle_fundamental_type): New.
8983 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8986 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8987 (alpha_mangle_fundamental_type): New.
8988 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8991 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8993 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8995 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8996 (sparc_mangle_fundamental_type): New.
8998 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9000 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9001 (s390x-*-linux*): Likewise.
9002 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9003 * config/s390/t-linux: New file.
9005 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9007 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9008 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9010 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9012 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9013 (ANTIC_SAFE_LOADS): New macro.
9014 (find_or_generate_expression): Add prototype.
9015 (set_contains_value): Allow null set for sake of not always having
9016 to allocate ANTIC_SAFE_LOADS.
9017 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9018 Allow COMPONENT_REF too.
9019 (valid_in_set): Allow COMPONENT_REF.
9020 Check ANTIC_SAFE_LOADS too.
9021 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9022 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9024 (can_PRE_operation): Add COMPONENT_REF.
9025 (create_component_ref_by_pieces): New function.
9026 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9027 (insert_aux): Move AGGREGATE_TYPE_P check here.
9028 (compute_avail): Set bb local stmt uids.
9029 (pass_pre): Use TODO_update_ssa_only_virtuals.
9031 2006-02-06 Ben Elliston <bje@au.ibm.com>
9033 * configure.ac: Unconditionally disable decimal float by default.
9034 * configure: Regenerate.
9036 2006-02-06 Ben Elliston <bje@au.ibm.com>
9038 * read-rtl.c (read_name): Terminate reading on EOF.
9040 2006-02-06 Ben Elliston <bje@au.ibm.com>
9042 * dfp.c (decimal_real_arithmetic): Change second argument type
9043 from int to enum tree_code. Do not always return true, but now
9044 return result of any call to decimal_do helper functions.
9045 * dfp.h (decimal_real_arithmetic): Update prototype.
9047 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9049 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9051 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9054 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9057 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9059 * tree-vrp.c (cfg_loops): Removed.
9060 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9061 Use current_loops instead of cfg_loops. Pass flags to
9062 loop_optimizer_init.
9063 * cfgloopmanip.c (fix_loop_structure): Update only available
9065 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9066 loop_optimizer_init.
9067 * modulo-sched.c (build_loops_structure): Removed.
9068 (sms_schedule): Use loop_optimizer_init.
9069 * loop-init.c (loop_optimizer_init): Use flags to determine
9070 which properties of loops to prepare.
9071 (rtl_loop_init): Pass flags to loop_optimizer_init.
9072 * tree-ssa-sink.c (execute_sink_code): Ditto.
9073 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9074 * tree-ssa-pre.c (init_pre): Ditto.
9075 * cfgloop.h (LOOPS_NORMAL): New.
9076 (loop_optimizer_init): Declaration changed.
9078 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9080 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9081 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9083 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9085 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9087 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9088 * pa/t-pa64: Delete quadlib.c rule.
9089 * pa/x-ada: Revert last change.
9090 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9092 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9094 PR rtl-optimization/26087
9095 * rtlanal.c (canonicalize_condition): Do not cross basic block
9098 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9101 * config/ia64/ia64.c: Include debug.h.
9102 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9103 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9104 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9105 (process_epilogue, process_set, process_for_unwind_directive):
9106 Output unwind info only if requested. Add CFA info if requested.
9107 Add new arguments as needed. Adjust callers.
9108 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9110 (DWARF2_FRAME_INFO): Define to zero.
9111 * config/ia64/unwind-ia64.c: Remove code that compensated for
9112 the CFA offset error fixed above.
9113 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9114 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9115 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9116 -funwind-tables and -fexceptions to enable frame info.
9117 (dwarf2out_frame_init): Define initial CFA even if
9118 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9119 DWARF2_UNWIND_INFO is nonzero, not just defined.
9120 (dwarf2out_frame_finish): Output non-EH call frame info only
9121 if DWARF2_FRAME_INFO is nonzero.
9122 (convert_cfa_to_loc_list,
9123 compute_frame_pointer_to_cfa_displacement): Define even if
9124 unwind info is not supported.
9125 (gen_subprogram_die): Use the above unconditionally. Remove
9126 legacy alternate code.
9127 * toplev.c (compile_file): Compile in call to
9128 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9129 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9131 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9132 Jakub Jelinek <jakub@redhat.com>
9134 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9135 IBM extended float format long double as "g" on powerpc*-linux.
9137 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9140 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9141 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9143 2006-02-03 Jason Merrill <jason@redhat.com>
9146 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9149 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9150 on the return slot if it's an NRV.
9152 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9154 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9155 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9156 rewrite_use): Do not handle USE_OUTER.
9157 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9158 add_iv_outer_candidates, may_replace_final_value,
9159 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9160 (find_interesting_uses_op): Functionality of
9161 find_interesting_uses_outer_or_nonlin moved here.
9162 (find_interesting_uses_outside): Use find_interesting_uses_op.
9164 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9167 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9169 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9170 Ulrich Weigand <uweigand@de.ibm.com>
9173 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9174 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9175 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9176 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9178 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9179 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9180 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9181 Define secondary reloads for TFmode moves.
9182 (constant_modes): Add TFmode.
9183 (NR_C_MODES): Set to 8.
9184 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9186 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9187 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9188 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9189 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9190 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9191 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9192 (FPR mode macro): Add TFmode.
9193 (DSF mode macro): New.
9194 (<de>, <dee> mode attributes): Removed.
9195 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9196 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9197 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9198 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9199 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9200 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9201 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9202 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9203 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9204 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9205 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9206 "*negabs<mode>2", "sqrt<mode>2"):
9207 Changed <de> to <xde>. R constraint replaced by <Rf>.
9208 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9210 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9211 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9212 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9214 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9215 "extenddftf2", "extendsftf2"): New expanders.
9216 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9217 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9218 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9219 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9221 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9222 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9223 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9224 __floatditf): Add a GCC_4.1.0 symbol version tag.
9225 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9228 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9231 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9232 Use targetm.binds_local_p instead of TREE_PUBLIC.
9234 2006-02-02 Roger Sayle <roger@eyesopen.com>
9236 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9237 on INTEGER_TYPEs to indicate that it denotes a character type.
9238 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9239 signed_char_type_node, unsigned_char_type_node and char_type_node.
9240 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9241 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9242 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9244 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9245 Daniel Berlin <dberlin@dberlin.org>
9247 * tree-tailcall.c (arg_needs_copy_p): New function.
9248 (eliminate_tail_call): Use arg_needs_copy_p.
9249 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9250 (add_virtual_phis): New function.
9252 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9254 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9255 #ignore instead of #scratch for %g7 .register directive.
9257 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9259 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9262 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9264 * flow.c (calculate_global_regs_live): Assert that there aren't any
9267 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9269 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9271 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9272 bsi_after_labels iterator.
9273 * tree-if-conv.c (find_phi_replacement_condition,
9274 replace_phi_with_cond_modify_expr): Likewise.
9275 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9276 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9278 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9280 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9282 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9285 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9286 array after growing it.
9288 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9291 * fold-const.c (fold_checksum_tree): Change type of buf.
9293 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9295 * reload.c (push_secondary_reload): Initialize t_icode.
9297 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9299 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9300 -msoft-float -mlong-double-128 only issue a warning, but don't
9301 swich to DFmode long double.
9303 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9305 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9306 has a constant equivalent, iterate over equivalents for arg0,
9307 calling simplify_relational_operation and if there's a result
9308 cheaper than X, apply fold_rtx and return the result.
9310 2006-02-01 Jan Hubicka <jh@suse.cz>
9312 * opts.c (no_unit_at_a_time_default): New global variable.
9313 (decode_options): Use it.
9314 * opts.h (no_unit_at_a_time_default): Declare.
9316 2006-02-01 Paul Brook <paul@codesourcery.com>
9318 * function.c (assign_parm_setup_reg): Use function argument promotion
9320 * expr.c (expand_expr_real_1): Use function argument promotion rules
9323 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9325 * gcc.c (process_command): Change j to 'unsigned int'.
9327 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9330 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9331 Use the corrected index for the character
9332 out of the string constant.
9334 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9336 * mode-switching.c (optimize_mode_switching): Fix size
9337 allocated for bb_info[n_entities].
9339 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9341 * gcc.c (main): Correct type that is allocated for
9342 explicit_link_files.
9344 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9346 * config/s390/s390.c (init_alignment_context): Set
9347 ALIAS_SET_MEMORY_BARRIER on the MEM.
9348 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9350 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9353 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9355 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9358 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9360 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9361 * regrename.c: Ditto.
9362 * tree-ssa-loop-im.c: Ditto.
9363 * tree-dump.c: Ditto.
9364 * tree-complex.c: Ditto.
9365 * genrecog.c: Ditto.
9366 * tree-ssa-threadupdate.c: Ditto.
9368 * java/class.c: Ditto.
9369 * java/jcf-parse.c: Ditto.
9370 * java/resource.c: Ditto.
9371 * java/except.c: Ditto.
9372 * java/jvspec.c: Ditto.
9373 * java/jcf-write.c: Ditto.
9374 * java/jcf-path.c: Ditto.
9375 * java/gjavah.c: Ditto.
9376 * java/zextract.c: Ditto.
9377 * java/jcf-io.c: Ditto.
9378 * java/jcf.h: Ditto.
9379 * java/buffer.c: Ditto.
9380 * java/lang.c: Ditto.
9381 * java/parse-scan.y: Ditto.
9382 * java/lex.c: Ditto.
9383 * java/lex.h: Ditto.
9384 * cfgloopmanip.c: Ditto.
9385 * postreload-gcse.c: Ditto.
9386 * tree-ssa-loop-manip.c: Ditto.
9387 * postreload.c: Ditto.
9388 * tree-ssa-loop-ch.c: Ditto.
9392 * diagnostic.c: Ditto.
9394 * genoutput.c: Ditto.
9396 * cfghooks.c: Ditto.
9397 * cfgloopanal.c: Ditto.
9398 * objc/objc-act.c: Ditto.
9400 * genextract.c: Ditto.
9401 * genautomata.c: Ditto.
9402 * pretty-print.c: Ditto.
9404 * cgraphunit.c: Ditto.
9407 * haifa-sched.c: Ditto.
9408 * dominance.c: Ditto.
9410 * tree-ssa-loop-ivopts.c: Ditto.
9412 * mode-switching.c: Ditto.
9413 * modulo-sched.c: Ditto.
9415 * ipa-pure-const.c: Ditto.
9417 * fix-header.c: Ditto.
9419 * tree-stdarg.c: Ditto.
9420 * ipa-utils.c: Ditto.
9421 * loop-init.c: Ditto.
9422 * ipa-inline.c: Ditto.
9425 * alloc-pool.c: Ditto.
9426 * dwarf2out.c: Ditto.
9428 * genattrtab.c: Ditto.
9429 * tree-ssa-loop-ivcanon.c: Ditto.
9433 * fortran/gfortranspec.c: Ditto.
9435 * local-alloc.c: Ditto.
9436 * langhooks.c: Ditto.
9437 * function.c: Ditto.
9438 * tree-vectorizer.c: Ditto.
9440 * ipa-type-escape.c: Ditto.
9442 * tree-if-conv.c: Ditto.
9445 * tree-data-ref.c: Ditto.
9446 * loop-unroll.c: Ditto.
9447 * treelang/treetree.c: Ditto.
9450 * ggc-common.c: Ditto.
9452 * coverage.c: Ditto.
9454 * tree-cfgcleanup.c: Ditto.
9455 * tree-ssa-pre.c: Ditto.
9456 * cfgcleanup.c: Ditto.
9457 * loop-invariant.c: Ditto.
9459 * ipa-prop.c: Ditto.
9460 * print-tree.c: Ditto.
9461 * conflict.c: Ditto.
9462 * ggc-page.c: Ditto.
9463 * sched-deps.c: Ditto.
9464 * regclass.c: Ditto.
9465 * tree-object-size.c: Ditto.
9467 * bb-reorder.c: Ditto.
9468 * resource.c: Ditto.
9469 * var-tracking.c: Ditto.
9471 * df-problems.c: Ditto.
9472 * reg-stack.c: Ditto.
9475 * sched-rgn.c: Ditto.
9476 * tree-ssa-structalias.c: Ditto.
9477 * tree-ssa-reassoc.c: Ditto.
9478 * config/darwin-c.c: Ditto.
9479 * config/darwin.c: Ditto.
9480 * config/arm/arm.c: Ditto.
9482 * collect2.c: Ditto.
9485 2006-01-31 Nicolas Pitre <nico@cam.org>
9487 * arm.md (smaxsi3): Make aware of smax_m1.
9490 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9492 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9494 2006-01-31 Richard Guenther <rguenther@suse.de>
9496 * doc/invoke.texi (-msselibm): Document.
9497 * target.h (expand_library_builtin): New target hook.
9498 * builtins.c (expand_builtin): Use expand_library_builtin.
9499 (default_expand_library_builtin): New function.
9500 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9501 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9502 (link_gcc_math_spec): Declare.
9503 (static_specs): Add link_gcc_math_spec.
9504 * expr.h (default_expand_library_builtin): Declare.
9505 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9506 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9507 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9508 * config/i386/i386.opt (msselibm): New target option.
9509 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9510 (ix86_init_sse_abi_builtins): New function.
9511 (ix86_expand_library_builtin): Likewise.
9512 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9513 (override_options): Handle error conditions wrt -msselibm.
9514 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9515 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9516 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9519 2006-01-31 Richard Guenther <rguenther@suse.de>
9520 Paolo Bonzini <bonzini@gnu.org>
9522 * doc/install.texi (--disable-libgcc-math): Document.
9524 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9526 * expr.h (expand_normal): new inline function.
9527 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9529 * dwarf2out.c: use it.
9534 * config/sparc/sparc.c: use it.
9535 * config/i386/i386.c: use it.
9536 * config/rs6000/rs6000.c: use it.
9537 * config/arm/arm.c: use it.
9538 * config/mips/mips.c: use it.
9539 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9541 2006-01-30 Roger Sayle <roger@eyesopen.com>
9543 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9544 argv to the appropriate type.
9546 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9548 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9551 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9554 * config/s390/s390.c (struct machine_function): New flag
9555 decomposed_literal_pool_addresses_ok_p.
9556 (s390_reorg): Set it before final stage of literal pool transforms.
9557 (s390_decompose_address): Only accept displacements of the form
9558 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9560 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9562 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9563 the comparison routine return.
9565 2006-01-30 Michael Matz <matz@suse.de>
9567 * global.c (find_reg): Only evict for global regs.
9568 Take n_refs into account and dump more info.
9570 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9573 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9574 (pragma_trap, pragma_nosave_low_regs): Likewise.
9575 (current_function_anonymous_args): Likewise.
9576 (sh_deferred_function_attributes): New variable.
9577 (sh_deferred_function_attributes_tail): Likewise.
9578 (print_operand): For '@', look up trap_exit attribute.
9579 (calc_live_regs): Look up trapa_handler attribute. For trapa
9580 handlers, save/restore fpscr, but don't do any other
9581 interrupt-specific saves.
9582 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9583 Fix check for partially saved registers to check for SHmedia.
9584 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9585 (sh_output_function_epilogue): Don't clear any of the removed
9587 (sh_insert_attributes): Don't check pragma_interrupt.
9588 Insert deferred attributes. Check that interrupt attribute is
9589 present for other attributes that require its presence.
9590 (sh_attribute_table): Add new attributes trapa_handler and
9592 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9593 Don't check for pragma_interrupt. Don't store argument.
9594 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9595 (sh_deferred_function_attributes): Declare.
9596 (sh_deferred_function_attributes_tail): Likewise.
9597 * sh.md (sp_switch_1): Add operand. Change generator caller.
9598 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9599 (*return_i): Don't use when trap_exit attribute is in effect.
9600 (*return_trapa): New insn pattern.
9602 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9603 setting c_target_objs and cxx_target_objs.
9604 * t-sh: Add rule for sh-c.o.
9606 2006-01-30 Richard Guenther <rguenther@suse.de>
9609 * gimplify.c (gimplify_target_expr): Handle easy cases
9610 without creating a temporary.
9612 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9614 * vec.h (safe_grow): Remove duplicated line.
9616 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9619 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9620 (expand_omp): ... here.
9621 (expand_omp_parallel): Only remove barriers for combined
9622 parallel+workshare constructs.
9624 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9628 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9629 * tree.c (build_qualified_type): Chain the new type to the original
9630 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9631 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9632 (build_pointer_type_for_mode): Only return unqualified types.
9633 (build_reference_type_for_mode): Likewise.
9635 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9637 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9638 * Makefile.in (CXX_COMPAT_WARN): Define.
9639 * configure: Regenerate.
9641 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9644 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9647 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9649 * toplev.c: Fix thinko.
9651 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9652 Marcin Dalecki <martin@dalecki.de>
9654 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9655 (push_srcloc): Use XNEW.
9656 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9658 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9660 * df-core.c (df_set_blocks): Deleted all variable.
9662 2006-01-28 Ian Lance Taylor <ian@airs.com>
9664 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9665 cgraph_output_pending_asms.
9667 2006-01-28 Zack Weinberg <zackw@panix.com>
9669 * c.opt: Add -W(no-)overlength-strings.
9670 * doc/invoke.texi: Document it.
9671 * c-opts.c (c_common_handle_option): -pedantic implies
9672 -Woverlength-strings, if not explicitly disabled already.
9673 (c_common_post_options): -Woverlength-strings defaults to off, and
9674 is always off for C++.
9675 * c-common.c (fix_string_type): Issue warning about strings longer
9676 than is portable only if warn_overlength_strings. Rearrange code
9677 a little for clarity.
9678 * configure.in: Check for -Wno-overlength-strings as well before
9679 enabling -pedantic in stage 1.
9680 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9681 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9683 * genconditions.c (write_header, write_one_condition)
9684 (write_conditions, write_writer): Consolidate very long strings
9685 that were broken up to fit in C89 portable limit. Don't use
9686 printf when fputs will do.
9688 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9690 * combine.c (simplify_comparison <AND>): Check
9691 TRULY_NOOP_TRUNCATION before start using a subreg.
9693 * config/mips/mips.md (*branch_zero<mode>,
9694 *branch_zero<mode>_inverted, *branch_equality<mode>,
9695 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9696 Remove mode check from comparisons.
9698 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9700 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9702 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9704 * expmed.c (const_mult_add_overflow_p): Remove.
9705 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9707 * recog.c (validate_replace_rtx_subexp): Remove.
9708 * recog.h: Remove the prototype for
9709 validate_replace_rtx_subexp.
9711 * integrate.h: Remove the prototype for
9712 copy_decl_for_inlining.
9713 * rtl.h: Remove the prototype for mark_constant_function.
9714 * tree-vectorizer.h: Remove the prototype for
9715 vect_strip_conversion.
9717 * modulo-sched.c (create_partial_schedule,
9718 free_partial_schedule, reset_partial_schedule): Make them
9721 * hooks.c (hook_bool_rtx_int_false): Remove.
9722 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9724 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9726 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9727 and -mlong-double-128 are incompatible.
9728 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9729 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9730 (TARGET_LIBGCC2_CFLAGS): Define.
9731 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9732 (TARGET_LIBGCC2_CFLAGS): Same.
9733 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9735 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9738 * c-typeck.c (build_binary_op): Perform implicit casts of
9739 operands before shortening them.
9741 * cfgloopmanip.c (split_loop_bb): Remove.
9742 * cfgloop.h: Remove the prototype for split_loop_bb.
9744 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9745 * cfgloop.h: Remove the prototype for
9746 flow_loop_outside_edge_p.
9748 * emit-rtl.c (init_virtual_regs): Make it static.
9749 * function.h: Remove the prototype for init_virtual_regs.
9751 * recog.c (peephole2_optimize): Make it static.
9752 * recog.h: Remove the prototype for peephole2_optimize.
9754 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9756 * df-scan.c (df_record_entry_block_defs): Check if
9757 INCOMING_RETURN_ADDR_RTX is defined.
9759 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9760 Kenneth Zadeck <zadeck@naturalbridge.com>
9762 PR rtl-optimization/24762
9763 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9764 * targhooks.c (hook_void_bitmap): New hook prototype.
9765 * targhoohs.h (hook_void_bitmap): Ditto.
9766 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9767 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9768 * target.h (live_on_entry): New function pointer.
9769 * df-scan.c (df_all_hard_regs): Removed.
9770 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9771 (df_scan_free_internal): Added df->entry_block_defs.
9772 (df_scan_alloc): Ditto.
9773 (df_scan_dump): Ditto.
9774 (df_uses_record): Plumbed flag field properly thru calls.
9775 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9776 This part fixes PR24762.
9777 (df_bb_refs_record): Added code to make the frame and arg
9778 pointers live in EH blocks.
9779 (df_refs_record): Added call to df_record_entry_block_defs.
9780 (df_record_entry_block_defs): New function.
9781 * df-core.c: Added comments to describe new artifical defs.
9782 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9783 (entry_block_defs): New field in struct df.
9784 (df_all_hard_regs): Deleted.
9785 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9786 * df-problems.c (df_ru_bb_local_compute_process_def):
9787 Added code to handle artifical defs in the entry to a function.
9788 (df_ru_bb_local_compute): Ditto.
9789 (df_rd_bb_local_compute_process_def): Ditto.
9790 (df_rd_bb_local_compute): Ditto.
9791 (df_lr_bb_local_compute): Ditto.
9792 (df_ur_bb_local_compute): Ditto.
9793 (df_urec_bb_local_compute): Ditto.
9794 (df_chain_create_bb): Ditto.
9795 (df_ur_local_finalize): Removed entry.
9796 (df_urec_init): Ditto.
9797 (df_urec_local_finalize): Ditto.
9798 (df_ri_bb_compute): Added detection of last use of pseudos.
9799 * Makefile.in (df-scan.o): Updated dependencies.
9800 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9801 * config/mips/mips.c (mips_set_live_on_entry): Added.
9802 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9804 * dce.c (marked_insn_p): Added code to handle artifical defs.
9806 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9808 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9810 (_mm_cvtsi128_si64): Likewise.
9811 (_mm_cvtsd_si64): Likewise.
9812 (_mm_cvttsd_si64): Likewise.
9813 (_mm_cvtsi64_sd): Likewise.
9814 (_mm_cvtsi64_si128): Likewise.
9815 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9816 (_mm_cvtsi64_m64): Likewise.
9817 (_m_to_int64): Likewise.
9818 (_mm_cvtm64_si64): Likewise.
9819 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9820 (_mm_cvttss_si64): Likewise.
9821 (_mm_cvtsi64_ss): Likewise.
9822 (_mm_cvtss_f32): Likewise.
9824 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9826 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9827 for pragma redefine_extname.
9829 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9832 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9833 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9834 -mno-minimal-toc to previous content.
9835 (bispecs): Remove goal.
9836 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9837 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9838 compatibility aliases on powerpc-*-*gnu*.
9839 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9840 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9841 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9842 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9843 (ldblspecs): New goal.
9844 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9845 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9847 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9848 L_sf_to_tf or L_df_to_tf is defined.
9850 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9851 Alan Modra <amodra@bigpond.net.au>
9854 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9855 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9856 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9857 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9858 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9859 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9860 (rs6000_override_options): Initialize rs6000_ieeequad.
9861 Initialize TFmode format to ibm_extended_format if not
9863 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9865 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9866 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9867 (function_arg_advance): IBM long double passed in two FPRs, not
9869 (function_arg): IBM long double passed in FPRs.
9870 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9871 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9872 Only multireg GPR aligned.
9873 (rs6000_init_libfuncs): Enable IBM long double functions if not
9875 (rs6000_generate_compare): Use IBM long double compare if not
9877 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9878 (TARGET_IEEEQUAD): Define.
9879 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9880 not TARGET_IEEEQUAD.
9881 * config/rs6000/rs6000.md: Enable TFmode patterns if
9883 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9884 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9885 and -mlong-double-128 are incompatible.
9886 * doc/invoke.texi (-mabi): Collect options together. Add
9887 ibmlongdouble and ieeelongdouble.
9889 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9891 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9893 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9894 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9895 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9896 * rtl.h (rtunion_def): Remove rt_ptr.
9898 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9899 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9900 * config/i386/winnt.c (i386_pe_mark_dllexport)
9901 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9903 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9905 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9907 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9911 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9912 pthread_key_delete. From John David Anglin. gthrw-ify
9913 pthread_getunique_np only if it it's not a macro. Delete
9915 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9916 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9917 __gthread_objc_condition_signal, __gthread_key_delete): Add
9918 "__attribute__ ((__unused__))" to unused arguments.
9919 (__gthread_recursive_mutex_init_function): Add missing return.
9920 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9921 gthr-posix95.h: Use macro-based approach for name redirection
9922 on targets missing weakref.
9924 2006-01-26 Zack Weinberg <zackw@panix.com>
9926 * genconditions.c (write_header): In generated code, #ifdef out
9927 all includes and fake declarations, except includes of bconfig.h
9928 and system.h, unless GCC_VERSION >= 3001. Do not include
9929 gensupport.h in any case.
9930 (write_conditions): Generate a definition of struct c_test. Add
9931 a comment to the generated #endif.
9932 (write_one_condition): Escape backslashes in string too.
9933 (write_writer): Generated code must escape backslashes and quote
9934 marks (but not newlines) in the strings it writes.
9935 * Makefile.in (build/gencondmd.o): Update dependencies.
9937 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9940 * Makefile.in (insn-automata.o): Add header file dependencies.
9941 * genautomata.c: Add includes.
9943 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9946 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9948 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9950 * configure.ac: Expect target tools paths to be passed from the toplevel
9951 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9953 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9955 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9958 * c.opt (Wpointer-sign): Init to -1.
9959 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9960 OPT_pedantic, to 0 otherwise.
9961 * doc/invoke.texi: Update.
9963 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9965 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9966 constants provided by 80387 instructions in the destination mode.
9968 2006-01-26 Richard Guenther <rguenther@suse.de>
9969 Andrew Pinski <pinskia@physics.uc.edu>
9972 partial PR tree-opt/17064
9973 * tree-ssa-structalias.c (intra_create_variable_infos):
9974 Create heap variables for incoming parameters if
9975 flag_argument_noalias > 1.
9976 (find_what_p_points_to): Look through default defs of
9979 2006-01-26 Jeff Law <law@redhat.com>
9982 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9983 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9984 within the VR_RANGE, use the VR_RANGE as the result, not the
9986 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9987 bounds for the type.
9989 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9991 * tree-ssa-alias.c (maybe_create_global_var): Change
9992 subvar walking to an assertion that we don't have subvar'd variables.
9994 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9997 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9998 Use a new variable, inner. PARM_DECLs are always non-weak.
10000 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10002 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10003 --disable-checking.
10005 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10007 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10009 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10011 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10012 (smax_insn, smin_insn, smax_0, smin_0): New.
10014 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10017 * config/cris/cris.c (cris_order_for_addsi3): New function.
10018 * config/cris/cris-protos.h: Prototype it.
10019 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10020 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10021 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10022 (split for "op.S1 [rx=rx+i],ry (swapped)")
10023 (split for "op(s|u).S1 [rx=rx+i],ry")
10024 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10025 Apply cris_order_for_addsi3 when generating addsi3 insns.
10027 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10029 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10030 (TREE_BLOCK): Add call to EXPR_CHECK.
10032 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10035 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10036 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10037 (dump_omp_clauses): ... here.
10038 (dump_generic_node): Handle OMP_CLAUSE.
10039 * tree.c (omp_clause_num_ops): New.
10040 (omp_clause_code_name): New.
10041 (tree_code_size): Handle OMP_CLAUSE.
10042 (tree_size): Likewise.
10043 (make_node): Document handling of OMP_CLAUSE.
10044 (tree_node_structure): Handle OMP_CLAUSE.
10045 (omp_clause_check_failed): New.
10046 (omp_clause_range_check_failed): New.
10047 (omp_clause_operand_check_failed): New.
10048 (build_omp_clause): New.
10049 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10050 * tree.h (enum omp_clause_code): Declare.
10051 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10052 (OMP_CLAUSE_RANGE_CHECK): Define.
10053 (OMP_CLAUSE_ELT_CHECK): Define.
10054 (omp_clause_check_failed): Declare.
10055 (omp_clause_operand_check_failed): Declare.
10056 (omp_clause_range_check_failed): Declare.
10057 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10058 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10059 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10060 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10061 (OMP_CLAUSE_IF_EXPR): Likewise.
10062 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10063 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10064 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10065 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10066 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10067 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10068 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10069 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10070 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10071 (OMP_CLAUSE_CODE): Define.
10072 (OMP_CLAUSE_SET_CODE): Define.
10073 (OMP_CLAUSE_CODE): Define.
10074 (OMP_CLAUSE_OPERAND): Define.
10075 (struct tree_omp_clause): Declare.
10076 (union tree_node): Add field 'omp_clause'.
10077 * treestruct.def (TS_OMP_CLAUSE): Define.
10078 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10079 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10080 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10081 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10082 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10083 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10084 (OMP_CLAUSE): Define.
10085 * print-tree.c (print_node): Handle OMP_CLAUSE.
10086 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10087 * c-typeck.c: Likewise.
10088 * gimplify.c: Likewise.
10089 * c-omp.c: Likewise.
10090 * tree-nested.c: Likewise.
10091 * tree-inline.c: Likewise.
10092 * c-parser.c: Likewise.
10093 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10096 2006-01-25 Roger Sayle <roger@eyesopen.com>
10098 PR rtl-optimization/25703
10099 * combine.c (try_combine): Handle zero_extract and strict_low_part
10100 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10102 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10104 * global.c: Fix comment typos.
10106 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10109 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10110 Use output_addr_const instead of assemble_name.
10112 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10114 * Makefile.in (sched-vis.o): Update dependencies.
10115 * haifa-sched.c (sched_finish): Clear current_sched_info.
10116 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10117 (dump_flow_info): Call it.
10118 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10120 * basic-block.h (dump_bb_info): Declare.
10121 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10122 option, and apply options only for dump files whose TDF_RTL,
10123 TDF_TREE, or TDF_IPA bits match.
10124 * rtl.h: Declare new functions exported from sched-vis.c.
10125 * sched-vis.c: Enable also if scheduling is not used.
10126 (print_value): Print the mode of registers if not inside scheduling.
10127 (print_insn): Make it work outside the scheduler. Beautify the output
10129 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10131 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10133 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10134 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10135 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10136 depending on the value of CONSTANT_POOL_ADDRESS_P.
10137 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10139 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10140 rather than SYMBOL_REF_DECL.
10141 (rtx_constant_pool): Remove const_rtx_sym_htab.
10142 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10143 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10144 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10145 Remove handling of const_rtx_sym_htab.
10146 (find_pool_constant): Delete.
10147 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10148 rather than find_pool_constant.
10149 (get_pool_constant_for_function): Delete.
10150 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10151 find_pool_constant.
10152 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10153 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10154 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10155 (SYMBOL_REF_CONSTANT): New macro.
10156 (get_pool_constant_for_function): Delete.
10157 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10158 rather than SYMBOL_REF_DECL.
10159 (i386_pe_mark_dllimport): Likewise.
10160 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10161 rather than SYMBOL_REF_DECL.
10162 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10163 (machopic_indirect_call_target): Likewise.
10165 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10167 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10169 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10171 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10173 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10175 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10177 2006-01-24 David Daney <ddaney@avtrex.com>
10180 * configure.ac (enable_tls): New enable option.
10181 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10182 * configure: Regenerate.
10183 * doc/install.texi (--enable-tls): Document new option.
10184 (--disable-tls): Ditto.
10186 2006-01-24 Richard Henderson <rth@redehat.com>
10188 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10189 * alias.c (true_dependence): Respect it.
10190 (canon_true_dependence, write_dependence_p): Likewise.
10191 * builtins.c (get_builtin_sync_mem): Set it.
10193 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10195 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10198 2006-01-24 DJ Delorie <dj@redhat.com>
10200 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10201 for storing constants in single-bit bitfields.
10203 2006-01-25 Ben Elliston <bje@au.ibm.com>
10205 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10207 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10210 * tree-ssa-pre.c (phi_translate): Return NULL
10211 for AGGREGATE_TYPE's.
10213 2006-01-24 Zack Weinberg <zackw@panix.com>
10215 * genautomata.c (process_state_for_insn_equiv_partition):
10216 Use xcalloc for insn_arcs_array.
10217 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10218 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10220 2006-01-24 Richard Henderson <rth@redhat.com>
10222 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10223 update all callers.
10225 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10227 PR rtl-optimization/25890
10228 PR rtl-optimization/25905
10229 * combine.c (expand_compound_operation, expand_field_assignment):
10230 Fail if the bitfield's final position is out of bounds.
10232 2006-01-24 Ian Lance Taylor <ian@airs.com>
10234 PR middle-end/25930
10235 * cgraphunit.c (cgraph_output_in_order): Don't clear
10236 cgraph_asm_nodes until after asm strings have been output.
10238 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10240 * fix-header.c (read_scan_file): Add new parameter imultilib when
10241 calling register_include_chains.
10243 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10245 * omp-low.c: Update documentation.
10247 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10248 Daniel Berlin <dberlin@dberlin.org>
10252 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10253 return from the function.
10255 2006-01-22 Zack Weinberg <zackw@panix.com>
10257 * rtl.def (match_code): Add second argument.
10258 * genpreds.c (write_extract_subexp): New function.
10259 (write_match_code): Add path argument. Use write_extract_subexp.
10260 (write_predicate_expr): Pass path to write_match_code.
10261 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10262 not perform a mode test.
10263 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10264 a subexpression does not constrain the top-level code set.
10265 * read-rtl.c (read_rtx_variadic): New function.
10266 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10267 * doc/md.texi: Document new notation.
10268 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10269 (cmpsi_operand): ... here, using new notation.
10271 2006-01-22 Zack Weinberg <zackw@panix.com>
10273 * varray.c: Remove GENERATOR_FILE #ifdefs.
10275 2006-01-22 Zack Weinberg <zackw@panix.com>
10277 * genautomata.c (output_reserved_units_table): Emit nothing if
10278 description->query_units_num is zero. Remove extra blank line.
10279 (output_cpu_unit_reservation_p): Short circuit
10280 if description->query_units_num is zero.
10282 2006-01-22 Zack Weinberg <zackw@panix.com>
10284 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10285 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10286 nor any of the random handful of variables that used to be necessary
10287 when this program was linked with rtlanal.o. Prune set of forward
10288 function declarations.
10289 (struct attr_desc): Remove static_p field.
10290 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10291 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10292 (attr_string): Do not read the character one past the length of
10294 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10295 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10296 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10297 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10298 (make_automaton_attrs): New.
10299 (main): Do not call into genautomata. Call local gen_bypass
10300 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10301 Remove special case for insn_alts.
10302 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10303 varray.h (leftover from previous change). Prune set of forward
10304 function declarations. Remove state_alts fields from all
10305 structures. Remove state_alts_table from struct automaton.
10306 Make everything except main static. Do not maintain num_dfa_decls.
10307 Do not maintain state_alts fields of various structures.
10308 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10309 (add_arc): Remove state_alts argument. All callers updated.
10310 (output_reserved_units_table): Emit #ifdef here...
10311 (output_tables): ...not here. Don't generate state_alts tables.
10312 (expand_automata): Don't generate attributes.
10313 (write_automata): Don't generate state_alts functions.
10314 (main): New function.
10315 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10316 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10317 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10318 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10319 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10320 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10321 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10322 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10324 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10325 * genattrtab.h: Delete file.
10326 * Makefile.in (OBJS-common): Add insn-automata.o.
10327 (insn-automata.o): New rule.
10328 (simple_generated_c): Add insn-automata.c.
10329 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10330 (genprogmd): Add automata.
10331 (build/genattrtab): Needs no extra objects nor libraries.
10332 (build/genautomata): Needs build/vec.o and -lm.
10334 2006-01-22 Zack Weinberg <zackw@panix.com>
10336 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10337 (output_dfa_max_issue_rate, locked_states_num): Delete.
10338 (struct automaton): Add locked_states field.
10339 (output_dead_lock_vect): Save number of locked states in
10340 automaton->locked_states. If it is zero, don't print anything.
10341 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10342 (output_internal_dead_lock_func): Only test the dead_lock_vect
10343 for automata that have locked states.
10344 (output_statistics): Always print the number of locked states for
10345 each automaton. Calculate total number of locked states here.
10346 (write_automata): Don't call output_dfa_max_issue_rate.
10347 * genattrtab.c: Define length_unit_log as a const variable.
10348 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10349 max_insn_queue_index const.
10350 * final.c (length_unit_log): Declare const.
10351 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10353 2006-01-22 Zack Weinberg <zackw@panix.com>
10355 * genautomata.c: Include vec.h, not varray.h.
10356 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10357 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10358 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10359 VEC_* macros operating on appropriately typed vectors, or to
10360 malloced arrays when the size is known in advance. Const-ify
10361 many char* variables and function arguments. No functional changes.
10362 * Makefile.in (build/varray.o): Delete rule.
10363 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10364 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10366 2006-01-22 Zack Weinberg <zackw@panix.com>
10368 * gensupport.c: Define get_insn_name and record_insn_name here.
10369 (read_md_rtx): Call record_insn_name as appropriate.
10370 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10371 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10372 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10374 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10375 (BUILD_VARRAY): Delete.
10376 (genprognormal): Rename genprogmd. Fold in all programs from
10377 genprognoprint; also attrtab.
10378 (build/genattrtab): Just mention genautomata.o and varray.o.
10379 Reorganize a bit, add comments to make the categories clearer.
10381 2006-01-22 Zack Weinberg <zackw@panix.com>
10383 * genconditions.c (condition_table, add_condition): Delete.
10384 (write_conditions): Don't emit n_insn_conditions nor
10385 insn_elision_unavailable. Issue the gcc version #ifdef here,
10386 inside the table, with no #else clause ...
10387 (write_header): ...not here.
10388 (write_writer): New function.
10389 (main): Don't initialize condition_table. Use add_c_test.
10391 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10392 files on the command line.
10393 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10394 Return -1 if there is no entry in the table, don't abort.
10395 (add_c_test, traverse_c_tests): New functions.
10396 * gensupport.h (insn_elision_unavailable, insn_conditions)
10397 (n_insn_conditions): Delete declarations.
10398 (add_c_test, traverse_c_tests): Declare.
10399 * read-rtl.c: Include gensupport.h.
10400 (read_conditions): New function.
10401 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10402 (read_rtx_1): If we get EOF when we were looking for an initial
10403 open paren, return 0. Call read_conditions when appropriate.
10404 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10405 dummy-conditions.o. Eliminate references to insn-conditions.o,
10406 or change them to build/gencondmd.o, as appropriate. Remove
10407 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10408 from $(simple_generated_c). For all files remaining in those
10409 two lists, add insn-conditions.md to the generator command line.
10410 Give insn-constants.h/s-constants their own rules. Add rules
10411 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10412 (build/read-rtl.o): Depend on gensupport.h.
10413 (genprognormal): Include preds.
10414 (genprogearly): Rename genprognoprint; only difference is now that
10415 they don't link with $(BUILD_PRINT).
10416 * dummy-conditions.c: Delete.
10418 2006-01-22 Zack Weinberg <zackw@panix.com>
10420 * genextract.c: Don't include insn-config.h. Do include vec.h.
10421 Declare vectors of int, char, and locstr.
10422 (locstr): New typedef.
10423 (struct extraction): Make all array fields into bare pointers.
10424 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10425 (insn_code_number): Delete.
10426 (accum_extract): New struct.
10427 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10428 (gen_insn): Take insn_code_number as an argument. Use an
10429 accum_extract structure instead of loading data directly into
10430 a struct extraction, and having to know how big it might get.
10431 (walk_rtx): Operate entirely on an accum_extract structure.
10432 (print_path): Avoid unnecessary use of printf.
10433 (print_header): New function, split out of main. Distinguish
10434 more carefully between an unrecognizable insn and an insn that
10435 has the code number of a define_expand.
10436 (main): Pass insn_code_number to gen_insn. Call print_header
10437 only after parsing. Avoid unnecessary use of printf.
10438 * Makefile.in (build/vec.o): New rule.
10439 (build/genextract): Depend on build/vec.o.
10440 (build/genextract.o): Don't depend on insn-config.h.
10442 2006-01-22 Zack Weinberg <zackw@panix.com>
10444 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10445 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10446 practical. Eliminate per-generator-program link rules.
10448 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10450 PR middle-end/24437
10451 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10452 with a call expr to ...
10453 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10455 2006-01-23 Richard Guenther <rguenther@suse.de>
10457 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10458 before make_edge with conditional EDGE_TRUE_VALUE.
10460 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10461 Jan Hubicka <jh@suse.cz>
10462 Richard Guenther <rguenther@suse.de>
10464 PR rtl-optimization/25654
10465 * cfgexpand.c (aggregate_contains_union_type): New function.
10466 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10467 for structure variables that contain a union type.
10469 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10471 * gengtype.c (new_structure): Return the structure.
10472 (create_option): Add an extra "next" argument.
10473 (create_field): New function.
10474 (adjust_field_rtx_def): Use create_option and create_field.
10475 Remove a now-unnecessary call to find_structure.
10476 (adjust_field_tree_def): Likewise.
10477 (note_yacc_type): Remove an unnecessary call to find_structure.
10478 * gengtype.h (new_structure): Return the structure.
10479 (create_option): Add an extra argument.
10480 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10481 (option): Adjust calls to create_option.
10483 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10485 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10487 2006-01-22 Paul Brook <paul@codesourcery.com>
10488 Peter Barada <peter@the-baradas.com>
10490 * config/m68k/m68k.md: Add Coldfire FPU support.
10491 Define FP mode macro and associated attributes.
10492 Use it for float mode patterns.
10493 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10494 (LIBCALL_VALUE): Use m68k_libcall_value.
10495 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10496 (m68k_function_value): Ditto.
10497 (emit_move_sequence): Ditto.
10498 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10499 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10500 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10501 (MULTILIB_EXCEPTIONS): Ditto.
10502 * config/m68k/m68k.opt: Add mcfv4e.
10503 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10504 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10505 (m68k_output_function_prologue): Save ColdFire FPU registers.
10506 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10507 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10508 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10509 ColdFire FPU registers.
10510 (m68k_libcall_value, m68k_function_value): New functions.
10511 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10512 (LIBCALL_VALUE): Use m68k_libcall_value.
10513 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10514 (MASK_COLDFIRE): Add MASK_CFV4E.
10515 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10516 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10517 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10518 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10519 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10520 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10521 * doc/invoke.tex: Document -mcfv4e on m68k.
10523 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10525 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10528 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10531 * c-opts.c (c_common_handle_option): Don't include
10532 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10533 * doc/invoke.texi (C++ Dialect Options): Document that
10534 -Wnon-virtual-dtor is no longer included in -Wall.
10536 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10538 * gcov.c (print_version), gcov-dump.c (print_version),
10539 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10542 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10544 * df-scan.c (problem_SCAN): Added NULL reset function.
10545 (df_scan_reset_blocks): Added code to call reset block function
10546 (df_bb_refs_delete) Fixed comment.
10547 (df_insn_refs_delete): Made tolerant of deleting non existent info
10548 for dataflow problems that need to be reset.
10549 * df-core.c (df_set_blocks): Ditto.
10550 * df.h (struct df_problem): Added reset_fun.
10551 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10552 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10553 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10554 functions to clear out all references to def-use or use-def chains.
10556 2006-01-21 Ben Elliston <bje@au.ibm.com>
10558 * varasm.c (assemble_real): Initialise data array.
10560 2006-01-20 Paul Brook <paul@codesourcery.com>
10562 Merge from csl-arm-branch.
10563 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10564 * config/arm/arm.md (movdi): Force operands[1] to a register
10565 if we have a non-register source.
10566 (*arm_movdi, *movdf_soft_insn): Require that one of the
10567 operands be a register.
10568 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10569 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10571 2006-01-20 DJ Delorie <dj@redhat.com>
10573 * varasm.c (initializer_constant_valid_p): Allow pointers
10574 initialized from integer constants of lesser precision.
10575 (output_constant): Allow non-int-sized pointer modes to be
10576 initialized from integer constants.
10578 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10581 * cppdefault.h (struct default_include): Add multilib flag.
10582 * cppdefault.c (cpp_include_defaults): Set it.
10583 * c.opt (-imultilib): New option.
10584 * c-opts.c (imultilib): New.
10585 (c_common_handle_option): Handle -imultilib.
10586 (c_common_post_options): Likewise.
10587 * c-incpath.c (add_standard_paths, register_include_chains):
10589 * c-incpath.h (register_include_chains): Add extra parameter.
10590 * gcc.c (do_spec_1): Generate -imultilib option.
10591 (The Specs Language): Update %I description.
10592 (process_command): Update copyright notice.
10593 * doc/cppopts.texi (-imultilib): Document.
10594 * doc/invoke.texi (-imultilib): Include in option summary.
10595 (%I): Update specs documentation.
10597 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10599 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10601 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10603 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10606 2006-01-20 Richard Guenther <rguenther@suse.de>
10607 Steven Bosscher <stevenb.gcc@gmail.com>
10609 PR rtl-optimization/24626
10610 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10611 EDGE_TRUE_VALUE if in RTL mode.
10614 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10615 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10617 2006-01-20 Dirk Mueller <dmueller@suse.com>
10620 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10621 instead of a special NOP marker.
10622 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10623 NOP marker handling.
10624 * c-common.h (empty_body_warning): Add forward declaration.
10625 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10626 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10628 2006-01-20 Paul Brook <paul@codesourcery.com>
10630 * Makefile.in (lang_checks): Keep going if mkdir fails.
10632 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10634 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10635 be able to clean out basic block when not necessary.
10636 (df_scan_free): Fixed to properly delete information if df is
10637 unused before calling df_finish.
10638 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10639 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10641 (df_bb_refs_delete): New function.
10642 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10643 * df-core.c (df_set_blocks): Added code to properly clean out
10644 unused blocks if they are not part of the blocks to consider.
10645 Added additional null check.
10646 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10647 be able to clean out basic block when not necessary
10648 * df.h (df_free_bb_function): Ditto.
10649 (df_bb_refs_delete): New function.
10650 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10651 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10652 basic block parameter to be able to clean out basic block when not
10654 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10655 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10656 Fixed to properly delete information if df is unused before
10659 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10661 PR rtl-optimization/25799
10662 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10663 Corrected confluence operator to remove bits from op2 before oring
10664 with op1 rather than removing bits from op1.
10665 (df_ru_transfer_function): Corrected test on wrong bitmap which
10666 caused infinite loop. Both of these problems were introduced in
10667 the dataflow rewrite.
10669 2006-01-19 DJ Delorie <dj@redhat.com>
10671 * reload1.c (find_reload_regs): Note the details of reload
10672 failures in the dump file.
10673 (spill_failure): Likewise.
10675 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10677 * loop-iv.c: Include df.h and hashtab.h.
10678 (enum iv_grd_result): New enum.
10679 (DF_REF_IV, DF_REF_IV_SET): New macros.
10680 (struct biv_entry): New.
10681 (df, bivs): New global variables.
10682 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10683 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10685 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10686 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10687 analyzed_for_bivness_p, record_biv): New functions.
10688 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10689 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10690 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10692 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10694 (iv_number_of_iterations): Use new interface to iv analysis.
10695 * loop-unroll.c: Do not include varray.h.
10696 (analyze_iv_to_split_insn): Use new interface to iv
10698 * loop-unswitch.c (may_unswitch_on): Ditto.
10699 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10701 (df_bb_modify): Realloc tables to the new index.
10702 (df_find_use): New function.
10703 * df.h (df_find_use): Declare.
10704 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10706 * cfgloop.h (struct rtx_iv): Remove analysed field.
10707 (iv_get_reaching_def): Removed.
10708 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10709 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10710 (loop-iv.o): Add df.h and hashtab.h dependency.
10711 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10713 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10716 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10718 (__floatundisf, __floatundidf): Likewise.
10719 * libgcc2.h (IS_IBM_EXTENDED): Define.
10721 2006-01-19 DJ Delorie <dj@redhat.com>
10723 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10725 2006-01-19 Paul Brook <paul@codesourcery.com>
10727 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10728 as nothrow when unwinding tables are disabled.
10730 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10733 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10734 of bit-field" when in system header.
10736 2006-01-19 DJ Delorie <dj@redhat.com>
10738 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10739 the 16 bit shift limit of the m16c.
10741 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10744 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10745 * config/i386/i386.c (output_set_got): Output the label if we have one
10746 for the TARGET_DEEP_BRANCH_PREDICTION case.
10748 2006-01-19 Jan Hubicka <jh@suse.cz>
10749 H.J. Lu <hongjiu.lu@intel.com>
10750 Evandro Menezes <evandro.menezes@amd.com>
10752 * invoke.texi (generic): Document
10754 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10755 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10756 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10757 (x86_use_incdec, x86_pad_returns): New variables
10758 (TARGET_CPU_DEFAULT_generic): New constant
10759 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10760 (enum processor_type): Add generic32 and generic64.
10761 * i386.md (cpu attribute): Add generic32/generic64
10762 (movhi splitter): Behave sanely when both partial_reg_dependency and
10763 partial_reg_stall are set.
10764 (K8 splitters): Enable for generic as well.
10765 * predicates.md (incdec_operand): Use TARGET_INCDEC
10766 (aligned_operand): Avoid memory mismatch stalls.
10767 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10768 * ppro.md: Enable for generic32
10769 * i386.c (generic64_cost, generic32_cost): New.
10770 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10771 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10772 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10773 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10774 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10775 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10776 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10777 x86_accumulate_outgoing_args, x86_prologue_using_move,
10778 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10779 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10780 Enable for generic.
10781 (x86_use_incdec, x86_pad_returns): New.
10782 (override_options): Add generic32 and generic64, translate "generic"
10783 to generic32/generic64 and "i686" to "generic32", refuse
10784 "generic32"/"generic64" as arch target.
10785 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10786 (ix86_reorg): Honor PAD_RETURNS.
10788 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10790 * tree-pretty-print.c (dump_generic_node): Handle
10791 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10792 * cgraph.c (cgraph_expand_queue): Rename from
10793 cgraph_analyze_queue. Update all users.
10794 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10795 cgraph_expand_queue.
10796 (cgraph_expand_all_functions): Likewise.
10797 (cgraph_finalize_pending_functions): Remove. Update callers.
10799 * tree.h (OMP_DIRECTIVE_P): Define.
10800 (OMP_PARALLEL_FN): Define.
10801 (OMP_PARALLEL_DATA_ARG): Define.
10802 (OMP_SECTIONS_SECTIONS): Define.
10803 * tree-pass.h (pass_expand_omp): Declare.
10804 * omp-low.c (struct omp_region): Declare.
10805 (struct omp_context): Remove fields 'parallel_type',
10806 'parallel_start_ix' and 'parallel_start_additional_args'.
10808 (struct omp_for_data): Rename from struct expand_omp_for_data.
10809 (omp_regions): New static variable.
10810 (root_omp_region): New static variable.
10811 (find_omp_clause): Make static.
10812 (is_in_combined_parallel_ctx): Remove.
10813 (is_combined_parallel): New.
10814 (extract_omp_for_data): Move earlier in the file.
10815 (workshare_safe_to_combine_p): New.
10816 (get_ws_args_for): New.
10817 (determine_parallel_type): Move earlier in the file.
10818 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10820 (omp_copy_decl): Likewise.
10821 (create_omp_child_function): Likewise.
10822 (lookup_omp_region): New.
10823 (dump_omp_region): New.
10824 (debug_omp_region): New.
10825 (debug_all_omp_regions): New.
10826 (new_omp_region): New.
10827 (scan_omp_parallel): If parallel_nesting_level > 1, the
10828 directive is nested within another parallel directive.
10829 Set OMP_PARALLEL_FN.
10830 (scan_omp_for): Do not try to handle combined parallel+for
10832 Remove FIXME comment.
10833 (scan_omp_nested): Remove.
10834 (scan_omp_1): Do not call scan_omp_nested when
10835 parallel_nesting_level is > 1.
10836 Do not change the DECL_CONTEXT of local variables found.
10837 (lookup_decl_in_outer_ctx): New.
10838 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10839 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10840 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10841 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10842 If CTX is nested, lookup VAR in the outer context when
10843 building copy assignment.
10844 (lower_send_clauses): Rename from expand_send_clauses.
10845 If CTX is nested, lookup VAR in the outer context when
10846 building copy assignments.
10847 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10848 If CTX is nested, lookup VAR in the outer context when
10849 building copy assignments.
10850 (expand_parallel_call): Rename from build_parallel_call.
10851 Handle combined parallel+workshare cases.
10852 Re-implement to emit code into the CFG.
10854 (expand_omp_parallel): Re-implement to emit code into the CFG.
10855 Call move_sese_region_to_fn to outline the sub-graph
10856 containing the parallel region.
10857 (expand_omp_for_1): Remove.
10858 (expand_omp_for_generic): Re-implement to emit code into the
10860 (expand_omp_for_static_nochunk): Likewise.
10861 (expand_omp_for_static_chunk): Likewise.
10862 (expand_omp_for): Likewise.
10863 (expand_omp_sections): Likewise.
10864 (remove_exit_barriers): New.
10865 (expand_omp_synch): New.
10867 (build_omp_regions_1): New.
10868 (build_omp_regions): New.
10869 (execute_expand_omp): New.
10870 (gate_expand_omp): New.
10871 (pass_expand_omp): Define.
10872 (lower_omp_sections): Rename from expand_omp_sections.
10873 Set OMP_SECTIONS_SECTIONS.
10874 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10875 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10876 (lower_omp_single): Rename from expand_omp_simple.
10877 (lower_omp_master): Rename from expand_omp_master.
10878 (lower_omp_ordered): Rename from expand_omp_ordered.
10879 (lower_omp_critical): Rename from expand_omp_critical.
10880 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10881 (lower_omp_for): Re-implement.
10882 (lower_omp_parallel): Re-implement.
10883 (lower_regimplify): Rename from expand_regimplify.
10884 (lower_omp_1): Rename from expand_omp_1.
10885 If there are syntax errors in the program, replace every
10886 OpenMP directive with NOP.
10887 Call lower_omp_* instead of expand_omp_*.
10888 (lower_omp): Rename from expand_omp.
10890 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10891 * tree-gimple.h (enum omp_parallel_type): Remove.
10892 (gimple_boolify): Declare extern.
10893 (find_omp_clause, determine_parallel_type): Remove.
10895 * gimple-low.c (lower_omp_directive): New.
10896 (lower_stmt): Call it.
10897 (record_vars_into): Move from ...
10898 (record_vars): ... here.
10899 Call record_vars_into with current_function_decl.
10901 * gimplify.c (struct gimplify_ctx): Remove fields
10902 combined_pre_p and combined_ctxp. Update users.
10903 (get_formal_tmp_var): Add documentation.
10904 (gimple_boolify): Make extern.
10905 (gimplify_expr_in_ctx): Remove. Update callers.
10906 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10907 will always be a BIND_EXPR.
10908 (gimplify_expr): Handle OMP_RETURN_EXPR.
10909 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10910 (OMP_PARALLEL): Add 3 operands.
10911 (OMP_SECTIONS): Add 1 operand.
10912 (OMP_RETURN_EXPR): Define.
10914 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10915 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10916 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10917 creating a circular free list.
10918 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10920 * tree-flow.h (move_sese_region_to_fn): Declare.
10921 (record_vars_into): Declare.
10922 * tree-cfg.c (make_omp_sections_edges): New.
10923 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10924 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10925 OMP_SECTIONS and OMP_SECTION.
10926 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10927 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10928 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10929 (gather_blocks_in_sese_region): New.
10930 (struct move_stmt_d): Declare.
10931 (move_stmt_r): New.
10932 (move_block_to_fn): New.
10933 (move_sese_region_to_fn): New.
10935 * passes.c (init_optimization_passes): Schedule
10936 pass_expand_omp after pass_init_datastructures.
10938 * tree-ssa-operands.c (get_expr_operands): Handle
10939 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10940 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10942 2006-01-19 Jeff Law <law@redhat.com>
10944 * tree-vrp.c (extract_range_from_assert): Refine the result range
10945 if the variable referenced by the ASSERT_EXPR has a range and
10946 either the tentative result range or the previous range is a
10949 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10951 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10953 2006-01-19 Jan Hubicka <jh@suse.cz>
10955 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10957 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10959 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10960 (expand_compound_operation, expand_field_assignment): Fail if the
10961 bit lengths of an extract operation are out of range.
10962 (make_extraction): Compute wanted_inner_mode based on the position
10963 and length of the extraction. Make it extraction_mode for non-constant
10964 positions, and do not modify offset in that case. When generating a
10965 new MEM, use a mode that can hold the extraction while keeping correct
10966 alignment. Remove code that supported MEMs wrapped by USEs.
10967 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10969 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10971 * config/s390/s390.md ("Y", "y"): New mode attribute.
10972 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10973 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10974 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10975 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10976 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10977 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10978 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10979 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10980 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10981 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10982 "addsi3", "subsi3"): Insn patterns removed.
10983 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10984 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10985 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10986 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10987 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10988 "*sub<mode>3_cconly2"): New insn patterns.
10989 ("addsi3", "subsi3"): New expanders.
10991 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10993 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10994 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10995 existing STMT_VINFO_VECTYPE if available.
10996 (vect_mark_relevant): Add special handling for stmts that are
10997 marked as STMT_VINFO_IN_PATTERN_P.
10998 (vect_analyze_loop): Call vect_pattern_recog.
10999 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11000 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11002 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11003 (vect_recog_func_ptr): New function-pointer type.
11004 * tree-vect-patterns.c: New file.
11005 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11006 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11007 (vect_pattern_recog_1): New functions.
11008 (vect_pattern_recog_funcs): New array of function pointers.
11010 * tree-vectorizer.h (ternary_op): New enum value.
11011 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11012 declaration. Revised documentation. Removed redundant dump prints.
11013 Removed redundant argument. Added support for reduction patterns.
11014 (vectorizable_reduction): Added support for reduction patterns.
11015 (vect_transform_stmt): Added support for patterns.
11017 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11018 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11019 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11020 (expand_widen_pattern_expr): New function.
11021 (init_optabs): Initialize new optabs udot_prod_optab,
11023 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11024 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11025 (expand_widen_pattern_expr): New function declaration.
11026 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11028 * tree-inline.c (estimate_num_insns_1): Added cases for new
11029 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11030 * tree-pretty-print.c (dump_generic_node): Likewise.
11031 (op_prio): Likewise.
11032 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11033 * tree-ssa-operands.c (get_expr_operands): Added case for
11035 * tree-vect-patterns.c (widened_name_p): New function.
11036 (vect_recog_dot_prod_pattern): Added function implementation.
11037 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11038 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11039 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11040 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11042 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11043 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11044 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11045 (init_optabs): Initialize new optabs widen_ssum_optab,
11047 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11048 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11049 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11050 use instead of type of def.
11051 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11052 function implementation.
11053 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11054 widen_ssumv8hi): New.
11056 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11059 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11062 * c-decl.c (add_flexible_array_elts_to_size): New function.
11063 (finish_decl): Use it.
11065 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11067 * diagnostic.h: Include options.h.
11068 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11069 dependancies for diagnostic.h.
11070 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11072 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11074 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11075 (ssa_ro_call_cache_valid): Ditto.
11076 * tree-ssa-alias.c (sort_tags_by_id): New function.
11077 (init_transitive_clobber_worklist): Ditto.
11078 (add_to_worklist): Ditto.
11079 (mark_aliases_call_clobbered): Ditto.
11080 (compute_tag_properties): Ditto.
11081 (set_initial_properties): Ditto.
11082 (compute_call_clobbered): Ditto.
11083 (compute_may_aliases): Call compute_call_clobbered and grouping.
11084 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11085 (compute_flow_insensitive_aliasing): Grouping now happens in our
11087 (setup_pointers_and_addressables): Remove clobbering related code.
11088 (add_may_alias): Ditto.
11089 (replace_may_alias): Ditto.
11090 (get_nmt_for): Ditto.
11091 (create_global_var):
11092 (is_escape_site): Return an escape_type enumeration.
11093 * tree-flow-inline.h (is_call_clobbered): Global var does not
11094 imply call clobbered.
11095 (mark_call_clobbered): Take a reason for marking this. Remove
11096 marking of globalness, and cache invalidation.
11097 (clear_call_clobbered): Remove cache invalidation code.
11098 * tree-dfa.c (dump_variable): If details is on, dump the reason
11100 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11102 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11103 (struct var_ann_d): Ditto.
11104 (enum escape_type): New.
11105 (mark_call_clobbered): Adjust prototype.
11106 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11107 are never call clobbered.
11108 Record reasons for escaping.
11109 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11110 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11111 (ssa_ro_call_cache_valid): Ditto.
11112 (clobbered_v_may_defs): Ditto.
11113 (clobbered_vuses): Ditto.
11114 (ro_call_vuses): Ditto.
11115 (clobber_stats): New.
11116 (init_ssa_operands): Zero out clobber stats.
11117 (fini_ssa_operands): Print out clobber stats.
11118 (get_call_expr_operands): Pass callee fndecl to
11119 add_call_read_ops).
11120 (add_call_clobber_ops): Remove use of cache.
11121 Add use of PURE_CONST information.
11122 (add_call_read_ops): Remove use of cache.
11123 Add use of static not_read information.
11125 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11127 Introduce TLS descriptors for i386 and x86_64.
11128 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11129 (TARGET_ANY_GNU_TLS): New macro.
11130 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11131 (struct machine_function): Add tls_descriptor_call_expanded_p.
11132 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11133 (ix86_current_function_calls_tls_descriptor): Likewise.
11134 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11135 (override_options): Introduce gnu2 tls dialect.
11136 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11138 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11140 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11141 (ix86_init_machine_status): Initialize new field.
11142 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11143 (ix86_tls_module_base): New.
11144 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11145 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11146 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11147 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11148 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11149 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11150 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11151 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11152 * config/i386/predicates.md (tls_modbase_operand): New.
11153 (tp_or_register_operand): New.
11155 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11157 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11158 (look_for_address_of): Ditto.
11159 (ipa_init): Walk the function decls.
11160 (static_execute): Don't set readonly on FUNCTION_DECL's.
11162 2006-01-18 Roger Sayle <roger@eyesopen.com>
11164 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11165 for shifts where the source and destination registers are different.
11167 2006-01-18 Paul Brook <paul@codesourcery.com>
11169 Merge from csl-arm-branch.
11170 2005-03-14 Julian Brown <julian@codesourcery.com>
11171 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11172 (aeabi_llsl): Likewise.
11173 (ashrdi3): Likewise.
11174 (aeabi_lasr): Likewise.
11175 (lshrdi3): Likewise.
11176 (aeabi_llsr): Likewise.
11177 2005-03-10 Julian Brown <julian@codesourcery.com>
11178 * config.gcc: Disable shared libgcc for SymbianOS.
11179 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11181 2006-01-18 DJ Delorie <dj@redhat.com>
11183 * c-pragma.c (handle_pragma_diagnostic): New.
11184 (init_pragma): Register it.
11185 * doc/extend.texi: Document it.
11187 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11188 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11189 (diagnostic_context): Add classify_diagnostic[].
11190 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11191 as errors if they're overridden to DK_WARNING.
11192 (diagnostic_initialize): Initialize classify_diagnostic[].
11193 (diagnostic_set_kind_override): New.
11194 (diagnostic_report_diagnostic): Check for kind changes.
11195 * opts.c (common_handle_option): Take lang_mask. Update callers.
11196 Handle OPT_Werror_.
11197 * common.opt (Werror=): New.
11198 * doc/invoke.texi: Document -Werror=*
11200 2006-01-18 Jeff Law <law@redhat.com>
11202 * tree-vrp.c (test_for_singularity): Correct test for new
11203 min limit. Use operand_equal_p rather than pointer equality
11204 for testing if new min/max values are equal.
11206 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11207 using range information until after propagation and folding.
11209 2006-01-18 Richard Henderson <rth@redhat.com>
11210 Aldy Hernandez <aldyh@redhat.com>
11211 Jakub Jelinek <jakub@redhat.com>
11212 Diego Novillo <dnovillo@redhat.com>
11214 * omp-low.c: New file.
11215 * c-omp.c: New file.
11217 2006-01-18 Richard Henderson <rth@redhat.com>
11218 Jakub Jelinek <jakub@redhat.com>
11219 Diego Novillo <dnovillo@redhat.com>
11221 * doc/invoke.texi: Document -fopenmp.
11222 * tree-dump.h (debug_function): Declare.
11223 * hooks.c (hook_bool_tree_bool_false): New function.
11224 (hook_tree_tree_null): Remove.
11225 (hook_tree_tree_tree_null): New.
11226 * hooks.h: Update to match.
11227 * tree-pretty-print.c (debug_tree_chain): New.
11228 (print_generic_expr): Handle TDF_CHAIN.
11229 (dump_generic_node): Handle BLOCK.
11230 Do not abort with incomplete SWITCH_EXPRs.
11231 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11232 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11233 print space after directive name.
11234 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11235 Handle OMP_MASTER and OMP_ORDERED.
11236 Handle printing of OMP_BODY just in one place, goto
11237 dump_omp_body in the rest of OMP_* nodes that have
11239 Don't handle clause nodes here. Update omp statements to
11240 use dump_omp_clauses.
11241 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11242 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11243 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11244 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11245 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11246 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11247 Adjust output for GOMP_PARALLEL.
11248 (dump_omp_clauses): New.
11249 (print_declaration): Dump DECL_VALUE_EXPR.
11250 (op_symbol_1): Split out of op_symbol.
11251 (dumping_stmts): Remove. Update all users.
11252 * cgraph.c (cgraph_analyze_queue): New.
11253 (cgraph_add_new_function): New.
11254 * cgraph.h (cgraph_analyze_queue): Declare.
11255 (cgraph_add_new_function): Declare.
11256 (cgraph_lower_function): Remove.
11257 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11258 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11259 and TYPE_P nodes in its default clause.
11260 (empty_body_p): New.
11261 (tree_range_check_failed): New.
11262 (build5_stat): New.
11263 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11264 OMP_CLAUSE_REDUCTION_MERGE,
11265 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11266 OMP_CLAUSE_PRIVATE_DEBUG,
11267 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11268 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11269 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11270 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11271 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11272 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11273 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11274 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11275 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11276 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11277 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11278 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11279 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11280 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11281 (TREE_RANGE_CHECK): New.
11282 (empty_body_p): Declare.
11283 (enum omp_clause_default_kind): New.
11284 (build_string_literal): Declare.
11285 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11286 (build5_stat, build5): Declare.
11287 * tree-pass.h (TDF_CHAIN): Define.
11288 * tree-pass.h (PROP_gimple_lomp): Define.
11289 (pass_lower_omp): Declare.
11290 * diagnostic.h (debug_tree_chain): Declare.
11291 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11293 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11294 * builtins.c (build_string_literal): Make extern.
11295 * gcc.c (include_spec_function): New.
11296 (static_spec_functions): Add it.
11297 (main): Move load of libgomp.spec ...
11298 (LINK_COMMAND_SPEC): ... here.
11299 (link_gomp_spec): New.
11300 (static_specs): Include it.
11301 (LINK_COMMAND_SPEC): Add link_gomp.
11302 (GOMP_SELF_SPECS): New.
11303 (driver_self_specs): Include it.
11304 (switch_matches): Don't mark inline.
11305 (main): Load libgomp.spec.
11306 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11307 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11308 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11309 * tree-gimple.h (enum omp_parallel): Declare.
11310 (determine_parallel_type): Declare.
11311 (omp_firstprivatize_variable): Declare.
11312 (omp_reduction_init): Declare.
11313 (diagnose_omp_structured_block_errors): Declare.
11314 (struct walk_stmt_info): Add want_return_expr.
11315 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11316 (find_omp_clause): Declare.
11317 (insert_field_into_struct): Declare.
11318 (struct walk_stmt_info): Move from tree-nested.c
11319 (walk_stmts): Declare.
11320 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11322 * cgraphunit.c (cgraph_lower_function): Make static.
11323 (cgraph_finalize_pending_functions): New.
11324 (cgraph_finalize_function): Call it.
11325 (cgraph_finalize_compilation_unit): Likewise.
11326 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11327 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11328 (BT_FN_UINT_UINT): New.
11329 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11330 DEF_FUNCTION_TYPE_VAR_4): Document.
11331 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11332 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11333 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11334 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11335 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11336 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11337 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11338 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11339 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11340 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11341 into separate files.
11342 (DEF_GOMP_BUILTIN): New.
11343 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11344 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11345 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11346 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11347 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11348 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11349 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11350 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11351 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11352 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11353 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11354 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11355 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11356 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11357 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11358 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11359 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11360 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11361 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11362 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11363 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11364 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11365 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11366 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11367 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11368 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11369 * sync-builtins.def: New file, moved from builtins.def.
11370 * omp-builtins.def: New file, moved from builtins.def.
11371 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11372 * gimple-low.c (lower_function_body): Clear data.
11373 (lower_stmt): Do not handle COMPOUND_EXPR.
11374 Remove call to print_node_brief.
11375 * c-tree.h (c_finish_omp_clauses): New prototype.
11376 (C_DECL_THREADPRIVATE_P): Define.
11377 (lookup_name_no_remap, c_omp_remap_private): Remove
11378 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11379 (check_for_loop_decls): Update decl.
11380 (lookup_name_no_remap, c_omp_remap_private): Declare.
11381 (build_indirect_ref, build_modify_expr, pushdecl,
11382 pushdecl_top_level): Move to c-common.h.
11383 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11384 before the switch, but just in the 2 places that need it.
11385 * c-decl.c (diagnose_mismatched_decls): Do not check for
11386 mismatched thread-local attributes when OLDDECL is marked
11387 threadprivate and NEWDECL has no thread-local attributes.
11388 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11389 (c_gimple_diagnostics_recursively): Rename from
11390 c_warn_unused_result_recursively. Invoke
11391 diagnose_omp_structured_block_errors.
11392 (check_for_loop_decls): Return a singular decl found.
11393 * langhooks.c (lhd_omp_predetermined_sharing): Return
11394 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11395 (lhd_omp_firstprivatize_type_sizes): New.
11396 (lhd_omp_assignment): New.
11397 (lhd_omp_predetermined_sharing): New.
11398 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11399 (struct lang_hooks_for_types): Add
11400 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11401 omp_predetermined_sharing, omp_disregard_value_expr,
11402 omp_private_debug_clause, omp_clause_default_ctor,
11403 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11404 (c_finish_omp_clauses): New.
11405 (c_finish_bc_stmt): Diagnose break within omp for.
11406 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11407 (build_unary_op): Return error_mark after reporting
11409 (build_modify_expr): Likewise.
11410 * gimplify.c: Include optabs.h and pointer-set.h.
11411 (enum gimplify_omp_var_data): Declare.
11412 (struct gimplify_omp_ctx): Declare.
11413 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11415 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11416 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11417 (splay_tree_compare_decl_uid): New.
11418 (new_omp_context): New.
11419 (delete_omp_context): New.
11420 (gimple_add_tmp_var): Call omp_add_variable.
11421 (gimplify_bind_expr): Likewise.
11422 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11423 true, disregard DECL_VALUE_EXPR on the decl if any.
11424 (gimplify_expr_in_ctx): New.
11425 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11426 omp_add_variable, omp_notice_variable, omp_is_private
11427 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11428 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11429 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11430 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11431 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11432 gimplify_omp_atomic): New.
11433 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11434 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11435 OMP_CRITICAL and OMP_ATOMIC.
11436 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11437 * c-pragma.h (enum pragma_kind): Add
11438 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11439 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11440 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11441 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11442 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11443 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11444 PRAGMA_OMP_THREADPRIVATE.
11445 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11446 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11447 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11448 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11449 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11450 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11451 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11452 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11453 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11454 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11455 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11456 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11457 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11459 (struct nesting_info): Add field_map,
11460 suppress_expansion, debug_var_chain.
11461 (create_nesting_tree): Initialize them.
11462 (lookup_field_for_decl): Use field_map.
11463 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11464 (convert_local_omp_clauses): New.
11465 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11466 (walk_body): Split out of walk_function.
11467 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11468 (convert_nonlocal_reference): Handle omp statements.
11469 (convert_local_reference): Likewise.
11470 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11471 (unnest_nesting_tree): New.
11472 (lower_nested_functions): Call it.
11473 (insert_field_into_struct): Make extern.
11474 (struct walk_stmt_info): Move to tree-gimple.h.
11475 (walk_stmts): Make extern.
11476 * omp-builtins.def: New file.
11477 * tree-iterator.c (expr_only): Clarify comment.
11478 * c-common.h (pushdecl_top_level, pushdecl,
11479 build_modify_expr, build_indirect_ref,
11480 c_finish_omp_master, c_finish_omp_critical,
11481 c_finish_omp_ordered, c_finish_omp_barrier,
11482 c_finish_omp_atomic, c_finish_omp_flush,
11483 c_finish_omp_for, c_split_parallel_clauses,
11484 omp_clause_default_kind, c_omp_sharing_predetermined,
11485 c_omp_remap_decl): Declare.
11486 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11487 (OBJS-common): Add omp-low.o.
11488 (c-omp.o, omp-low.o): Add.
11489 (gimplify.o): Add dependency on $(OPTABS_H).
11490 (GTFILES): Add omp-low.c.
11491 (gt-stringpool.h): Add.
11492 * tree-cfg.c (set_bb_for_stmt): Do not update the
11493 block-to-labels map if we are currently expanding to RTL.
11494 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11496 Handle IDENTIFIER_NODE.
11497 (tree_verify_flow_info): Do not ICE when emitting error
11498 messages about invalid labels.
11499 (dump_function_to_file): Reset CFUN before emitting the body
11501 (debug_function): New.
11502 * passes.c (init_optimization_passes): Schedule
11504 * langhooks-def.h (lhd_omp_predetermined_sharing,
11505 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11507 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11508 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11509 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11510 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11511 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11512 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11513 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11514 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11515 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11516 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11517 (LANG_HOOK_DECLS): Use them.
11519 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11520 Richard Henderson <rth@redhat.com>
11521 Jakub Jelinek <jakub@redhat.com>
11522 Diego Novillo <dnovillo@redhat.com>
11524 * c-parser.c (pragma_omp_clause): Define.
11525 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11526 (c_parser_compound_statement): Likewise.
11527 (c_parser_statement): Likewise.
11528 (c_parser_pragma): Handle omp pragmas.
11529 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11530 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11531 (c_parser_omp_clause_name, check_no_duplicate_clause,
11532 c_parser_omp_variable_list,
11533 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11534 c_parser_omp_clause_copyprivate,
11535 c_parser_omp_clause_default,
11536 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11537 c_parser_omp_clause_lastprivate,
11538 c_parser_omp_clause_nowait,
11539 c_parser_omp_clause_num_threads,
11540 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11541 c_parser_omp_clause_reduction,
11542 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11543 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11544 c_parser_omp_atomic, c_parser_omp_barrier,
11545 c_parser_omp_critical, c_parser_omp_flush,
11546 c_parser_omp_for_loop, c_parser_omp_for,
11547 c_parser_omp_master, c_parser_omp_ordered,
11548 c_parser_omp_sections_scope, c_parser_omp_sections,
11549 c_parser_omp_parallel, c_parser_omp_single,
11550 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11551 * c-pragma.c (init_pragma): Do omp pragma registration here.
11552 * c.opt (fopenmp): New flag.
11554 2006-01-18 Eric Christopher <echristo@apple.com>
11556 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11557 * config/darwin.h (GOMP_SELF_SPECS): Define.
11559 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11561 * rtl.h: Remove the prototype for reg_alloc.
11563 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11566 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11567 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11568 sjlj and dwarf2 exception handling.
11569 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11570 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11571 * pa/pa.c (function_value): Treat complex and vector types as
11573 (function_arg): Likewise. Only pass scalar floats in the floating
11574 point argument registers.
11575 * pa/t-slibgcc-dwarf-ver: New file.
11576 * pa/t-slibgcc-sjlj-ver: New file.
11577 * pa/t-slibgcc-elf-ver: Delete file.
11579 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11581 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11582 unlikely_test_section_p test.
11584 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11586 * mode-switching.c (optimize_mode_switching): Make it static.
11587 * basic-block.h: Remove the prototype for
11588 optimize_mode_switching.
11590 * modulo-sched.c (sms_schedule): Make it static.
11591 * rtl.h: Remove the prototype for sms_schedule.
11593 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11594 * rtl.h: Remove the prototype for gcse_after_reload_main.
11596 * reg-stack.c (reg_to_stack): Make it static.
11597 * rtl.h: Remove the prototype for reg_to_stack.
11599 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11601 * rtl.h: Remove the prototypes for regrename_optimize and
11602 copyprop_hardreg_forward.
11604 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11606 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11607 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11608 Test against the appropriate null constant for the mode.
11609 If 'fixup_overlap' is true, swap the operands if they overlap.
11610 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11611 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11612 alpha_split_tmode_pair and adjust for above change.
11613 * config/alpha/alpha.md (movtf_internal): Adjust call to
11614 alpha_split_tfmode_pair and rely on it to swap the operands.
11615 (movti_internal): New insn and post-reload splitter.
11616 (movti): New expander.
11618 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11620 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11623 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11625 * rtlanal.c (global_reg_mentioned_p_1,
11626 global_reg_mentioned_p): Remove.
11627 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11629 * flow.c (initialize_uninitialized_subregs): Make it static.
11630 * rtl.h: Remove the prototype for
11631 initialize_uninitialized_subregs.
11633 * function.c (instantiate_virtual_regs): Make it static.
11634 * function.h: Remove the prototype for
11635 instantiate_virtual_regs.
11637 * regmove.c (regmove_optimize, combine_stack_adjustments):
11639 * rtl.h: Remove the prototypes for regmove_optimize and
11640 combine_stack_adjustments.
11642 2006-01-17 Roger Sayle <roger@eyesopen.com>
11644 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11645 (size_cost): Encode costs in bytes so that a reg-reg addition is
11646 equivalent to COSTS_N_INSNS(1).
11647 (override_options): Use the size_cost.branch_cost as the default
11648 ix86_branch_cost when optimizing for size.
11650 2006-01-18 Ben Elliston <bje@au.ibm.com>
11652 * Makefile.in (D32PBIT_FUNCS): New.
11653 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11654 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11655 D64PBIT_FUNCS and D128PBIT_FUNCS.
11656 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11657 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11659 (decnumber_dep): Define.
11660 * doc/libgcc.texi (Decimal float library routines): New node.
11661 * config/dfp-bit.h, config/dfp-bit.c: New files.
11663 2006-01-18 Ben Elliston <bje@au.ibm.com>
11665 * expr.c (emit_move_change_mode): Always adjust addresses, not
11666 just during reload. Copy replacements only during reload.
11667 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11668 emit_move_via_integer.
11670 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11672 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11673 instead of $(srcdir) and ${srcdir}.
11675 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11678 PR middle-end/11135
11679 * arm.h (struct machine_function): Add pic_reg.
11680 * arm.c (arm_pic_register): Make unsigned.
11681 (arm_override_options): Only set arm_pic_register if
11682 TARGET_SINGLE_PIC_BASE.
11683 (use_return_insn): Only test for a pic register if it is fixed.
11684 (arm_compute_save_reg0_reg12_mask): Likewise.
11685 (thumb_compute_save_reg_mask): Likewise.
11686 (legitimate_pic_operand): Factor out some known invariants.
11687 (legitimize_pic_address): If we don't have a fixed pic register,
11688 then set up a pseudo in the function entry sequence. Handle the
11689 pic base being in a pseudo.
11690 (arm_load_pic_register): Handle the pic register being in a pseudo.
11691 (arm_expand_prologue): Only set up the pic register if it is fixed.
11692 (thumb_expand_prologue): Likewise.
11693 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11694 (pic_load_addr_based_insn): Likewise.
11695 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11698 2006-01-18 Ben Elliston <bje@au.ibm.com>
11700 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11701 decimal float modes for all floating point registers.
11703 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11704 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11706 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11709 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11710 even when the pointer is not NULL.
11712 2006-01-16 Ian Lance Taylor <ian@airs.com>
11714 * common.opt (ftoplevel-reorder): New option.
11715 * cgraph.c (cgraph_asm_nodes): New global variable.
11716 (cgraph_asm_last_node): New static variable.
11717 (cgraph_order): New global variable.
11718 (cgraph_create_node): Set new order field.
11719 (cgraph_varpool_node): Likewise.
11720 (decide_is_variable_needed): Return true if not
11721 flag_toplevel_reorder.
11722 (cgraph_add_asm_node): New function.
11723 * cgraph.h (struct cgraph_node): Add order field.
11724 (struct cgraph_varpool_node): Add order field.
11725 (struct cgraph_asm_node): Define.
11726 (cgraph_asm_nodes, cgraph_order): Declare.
11727 (cgraph_add_asm_node): Declare.
11728 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11730 (cgraph_varpool_assemble_pending_decls): Call it.
11731 (cgraph_output_pending_asms): New static function.
11732 (cgraph_finalize_compilation_unit): Call it.
11733 (struct cgraph_order_sort): Define.
11734 (cgraph_output_in_order): New static function.
11735 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11736 !flag_toplevel_reorder case.
11737 * c-parser.c: Include "cgraph.h".
11738 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11740 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11741 than -fno-unit-at-a-time.
11742 * doc/invoke.texi (Option Summary): Mention
11743 -fno-toplevel-reorder.
11744 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11745 -funit-at-a-time documentation.
11747 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11748 Kazu Hirata <kazu@codesourcery.com>
11750 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11752 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11754 * Makefile.in (FUNCTION_H): New. Use it instead of
11755 function.h throughout the file.
11756 * function.h: Include tree.h.
11758 2006-01-17 Ben Elliston <bje@au.ibm.com>
11760 * recog.c: Separate some functions with whitespace.
11762 2006-01-16 Richard Henderson <rth@redhat.com>
11764 Merge from gomp branch:
11765 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11766 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11767 and rename from struct inline_data. Rename callee* to dst*;
11768 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11769 transform_new_cfg, transform_return_to_modify, and
11770 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11772 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11773 (copy_decl_for_dup): Remove.
11774 * tree-inline.c (struct inline_data): Move to header.
11775 (insert_decl_map): Export.
11776 (remap_decl): Update for member name changes. Use copy_decl hook.
11777 Allow for replacement to be a non-decl. Remove dead code.
11778 (remap_type_1): Check for existing mapping.
11779 (remap_type): Export.
11780 (remap_decls): Update for member name changes.
11781 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11782 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11783 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11784 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11785 (tree_function_versioning, build_duplicate_type): Likewise.
11786 (copy_body_r): Likewise. Export.
11787 (copy_decl_for_dup): Split into ...
11788 (copy_decl_for_dup_finish, copy_decl_to_var,
11789 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11790 (replace_ref_tree, inlining_p): Remove.
11792 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11794 * ifcvt.c (if_convert): Make it static.
11795 * rtl.h: Remove the prototype for if_convert.
11797 * local-alloc.c (local_alloc): Make it static.
11798 * rtl.h: Remove the prototype for local_alloc.
11800 * loop.c (loop_optimize): Make it static.
11801 * cfgloop.h: Remove the prototype for loop_optimize.
11804 2006-01-16 DJ Delorie <dj@redhat.com>
11806 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11809 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11811 * pa.md: Disparage copies between general and floating-point registers
11812 in 32-bit move patterns.
11814 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11817 * Makefile.in (check-%): Depend on site.exp instead of
11818 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11821 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11823 * global.c (global_alloc): Make it static.
11824 * rtl.h: Remove the prototype for global_alloc.
11826 2006-01-16 Richard Guenther <rguenther@suse.de>
11828 * tree-ssa-alias.c (struct used_part): Add write_only field.
11829 (get_or_create_used_part_for): Initialize it to true.
11830 (create_overlap_variables_for): Don't create structure variables
11831 for structures that only are written to.
11832 (find_used_portions): Handle MODIFY_EXPR to track whether a
11833 structure is only written to.
11835 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11837 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11839 * basic-block.h: Remove the prototype for
11840 partition_hot_cold_basic_blocks.
11842 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11844 * cppspec.c (lang_specific_spec_functions): Remove.
11845 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11846 * gcc.h (lang_specific_spec_functions): Remove.
11847 * gccspec.c (lang_specific_spec_functions): Remove.
11849 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11851 * combine.c (record_value_for_reg): Invalidate registers
11853 (record_dead_and_set_regs_1): Likewise, by passing them to
11854 record_value_for_reg.
11855 (record_dead_and_set_regs): Invalidate stores made by a
11856 call. We do not combine across a call, but we still
11857 relied on equivalences.
11859 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11861 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11862 vrp_int_const_binop returning non-constant nodes.
11864 2006-01-16 Paul Brook <paul@codesourcery.com>
11866 * config/m68k/m68k.c (output_move_const_into_data_reg):
11867 Output correct mnemonic for mvz and mvs.
11869 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11871 * rtl-factoring.c: Add sequence abstraction algorithm.
11872 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11873 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11875 (block_has_preserve_label): New function.
11876 * common.opt: Register new pass.
11877 * Makefile.in: Ditto.
11879 * timevar.def: Ditto.
11880 * tree-pass.h: Ditto.
11881 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11882 * rtl.h (make_jump_insn_raw): Add forward decl.
11883 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11885 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11886 Roger Sayle <roger@eyesopen.com>
11888 * fold-const.c (fold_minmax): New static function.
11889 (fold_binary) <MIN_EXPR>: Call it.
11890 <MAX_EXPR>: Likewise.
11891 * stor-layout.c (place_field): Use DECL_SIZE consistently
11892 in the computation of the new record size.
11894 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11896 * cse.c (cse_condition_code_reg): Make it static.
11897 * rtl.h: Remove the prototype for cse_condition_code_reg.
11899 * combine.c (combine_instructions): Make it static.
11900 * rtl.h: Remove the prototype for combine_instructions.
11902 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11905 * tree.c (get_file_function_name_long): Concatenate the first global
11906 object name with a string derived from the input filename of the object
11909 2006-01-16 Ben Elliston <bje@au.ibm.com>
11911 * config/i386/winnt-stubs.c: Update FSF address.
11912 * config/xtensa/ieee754-df.S: Ditto.
11913 * config/xtensa/ieee754-sf.S: Ditto.
11915 2006-01-14 Ian Lance Taylor <ian@airs.com>
11917 * ifcvt.c (noce_init_if_info): New static function, broken out of
11918 noce_process_if_block.
11919 (noce_process_if_block): Call noce_init_if_info.
11920 (check_cond_move_block): New static function.
11921 (cond_move_process_if_block): New static function.
11922 (process_if_block): Call cond_move_process_if_block.
11924 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11926 * cselib.c (hash_table): Rename to cselib_hash_table.
11927 (cselib_clear_table, discard_useless_values,
11928 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11929 cselib_init, cselib_finish): Adjust uses of hash_table.
11931 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11933 PR tree-optimization/25485
11934 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11935 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11936 is known to be false and true, respectively.
11938 2006-01-14 Richard Guenther <rguenther@suse.de>
11940 PR tree-optimization/22548
11941 PR tree-optimization/22555
11942 PR tree-optimization/22501
11943 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11944 * params.def (salias-max-array-elements): New parameter.
11945 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11946 * doc/invoke.texi (salias-max-array-elements): Document.
11947 * tree-flow-inline.h (var_can_have_subvars): We also handle
11949 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11951 * tree-ssa-structalias.c (params.h): Include.
11952 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11953 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11954 (get_constraint_for): For ADDR_EXPR operating on something
11955 containing an ARRAY_REF, add all subvars to the solution.
11956 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11957 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11958 for creating MUST_DEFs.
11959 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11961 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11963 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11965 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11966 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11967 number_of_iterations_le): New functions.
11968 (number_of_iterations_special): Removed.
11969 (number_of_iterations_exit): Do not use number_of_iterations_special.
11970 * tree.c (unsigned_type_for): Always return integer type.
11972 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11973 Richard Guenther <rguenther@suse.de>
11975 PR rtl-optimization/24257
11976 * gcse.c (find_moveable_store): Only consider a store movable
11977 when the SET_SRC of the insn can be assigned to a register.
11979 2006-01-14 Ian Lance Taylor <ian@airs.com>
11981 * tree.c (tree_not_class_check_failed): New function.
11982 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11983 (tree_not_class_check_failed): Declare.
11985 2006-01-13 Ian Lance Taylor <ian@airs.com>
11987 * reload1.c (do_output_reload): Add assertion rejecting a
11990 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11992 * combine.c (struct reg_stat): Add new fields truncation_label and
11994 (record_value_for_reg): Reset truncated_to_mode.
11995 (record_truncated_value): New function.
11996 (check_promoted_subreg): Call it. Rename to check_conversions.
11997 (combine_instructions): Rename check_promoted_subreg to
11999 (reg_truncated_to_mode): New function.
12000 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12001 (gen_lowpart_or_truncate): New function.
12002 (force_to_mode): Use it instead of gen_lowpart.
12004 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12006 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12007 VAR is a tag, not its type tag.
12009 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12011 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12012 alternatives to match style of other entries.
12013 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12015 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12017 PR tree-optimization/25771
12018 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12021 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12024 * tree-inline.c (declare_return_variable): If the return variable
12025 was marked as a non gimple complex, set the return slot variable
12026 to be a non gimple comple variable.
12028 2006-01-13 Richard Guenther <rguenther@suse.de>
12030 * builtins.c (expand_builtin_sincos): New function.
12031 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12033 (expand_builtin): Expand sincos using expand_builtin_sincos.
12035 2006-01-12 DJ Delorie <dj@redhat.com>
12037 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12038 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12039 so that constant shifts can be split.
12040 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12041 (m32c_valid_pointer_mode): Make static.
12042 (shift_gen_func_for): New.
12043 (m32c_prepare_shift): Use it. Split large const shifts into
12045 * config/m32c/predicates.md (shiftcount_operand): Allow more
12047 (longshiftcount_operand): New.
12048 * doc/md.texi (Machine Constraints): Document In6.
12050 2006-01-13 Ben Elliston <bje@au.ibm.com>
12052 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12053 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12056 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12058 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12059 to try to avoid clobbering pieces of structures when we know
12060 something about the whole structure.
12061 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12063 2006-01-13 Ben Elliston <bje@au.ibm.com>
12065 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12066 return in memory, as this is no limitation is no longer present.
12068 2006-01-12 DJ Delorie <dj@redhat.com>
12070 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12071 mova with fb, and for fb+0 -> An.
12073 * config/m32c/mov.md (peephole2): Fix enabling logic.
12075 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12076 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12077 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12078 FINI_ARRAY_SECTION_ASM_OP): Define.
12080 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12082 (m32c_legitimize_reload_address): New logic to reload FB to An.
12083 (m32c_output_reg_push): Add newline.
12084 (m32c_output_reg_pop): Likewise.
12086 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12088 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12090 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12092 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12094 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12096 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12099 2006-01-11 Ben Elliston <bje@au.ibm.com>
12101 * rtlanal.c (find_reg_note): Assert insn is not null.
12103 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12105 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12108 2006-01-11 Jeff Law <law@redhat.com>
12110 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12112 (mark_threaded_blocks, register_jump_thread): New functions.
12113 (thread_through_all_blocks): Remove unwanted argument. No
12114 longer rely on e->aux to communicate thread target info.
12115 Call mark_threaded_blocks. Release the threaded_blocks
12116 bitmap and threaded_edges vector when complete.
12117 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12118 (threaded_blocks): Remove.
12119 (tree_ssa_dominator_optimize): Remove initialization and
12120 finalization of threaded_blocks. Simplify call to
12121 thread_through_all_blocks.
12122 (thread_across_edge): Call register_jump_thread rather than
12123 storing thread information into e->aux.
12124 (free_all_edge_infos): Simplify now that e->aux is no longer
12125 used to communicate with thread_through_all_blocks.
12126 * tree-flow.h (thread_through_all_blocks): Update prototype.
12127 (register_jump_thread): Prototype.
12129 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12131 * df-core.c (df_compact_blocks, df_bb_replace): Use
12132 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12134 2006-01-11 Richard Guenther <rguenther@suse.de>
12136 PR tree-optimization/25734
12137 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12138 stop propagation after successful propagation to the LHS.
12140 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12142 * basic-block.h (control_flow_graph): Change the type of
12143 x_basic_block_info to VEC(basic_block,gc) *.
12144 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12146 (SET_BASIC_BLOCK): New.
12147 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12148 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12149 * cfgbuild.c (find_basic_blocks): Likewise.
12150 * cfglayout.c (fixup_reorder_chain): Likewise.
12151 * cfgrtl.c (create_basic_block_structure,
12152 rtl_create_basic_block): Likewise.
12153 * ifcvt.c (find_if_case_1): Likewise.
12154 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12157 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12159 * Makefile.in: Removed rotted odf.c entry.
12161 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12164 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12165 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12166 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12167 output pattern modifier, not %e.
12168 * config/cris/cris.c (cris_op_str): Update comment about pattern
12170 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12171 before falling through into...
12172 <case 'E'>: Redefined from old 'e' case.
12174 2006-01-11 Jan Hubicka <jh@suse.cz>
12177 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12179 2006-01-11 Jan Hubicka <jh@suse.cz>
12181 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12182 * i386.c (x86_decompose_lea): Kill.
12183 (ix86_rtx_costs): Kill.
12185 2006-01-11 Jan Hubicka <jh@suse.cz>
12187 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12188 * cgraph.h (cgraph_node): Add inline_decl.
12189 (cgraph_insert_node_to_hashtable): Declare.
12190 (save_inline_function_body): Declare.
12191 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12193 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12194 (cgraph_function_versioning): Update call of tree_function_versioning.
12195 (save_inline_function_body): New function.
12196 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12197 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12198 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12199 (cgraph_default_inline_p): Likewise.
12200 (cgraph_decide_inlining_incrementally): Likewise.
12201 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12202 (copy_bb): Kill saving; do updating of clones.
12203 (copy_cfg_body): Kill saving.
12204 (initialize_inlined-parameters): Likewise.
12205 (expand_call_inline): Likewise.
12207 (tree_function_versioning): New parameter "update_clones".
12208 (inlining_p): Kill saving.
12209 * tree-inline.h (tree_function_versioning): Update prototype.
12210 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12213 2006-01-11 Ian Lance Taylor <ian@airs.com>
12215 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12216 Allow undoing set of machine mode.
12217 (do_SUBST): Use enums instead of is_int.
12218 (do_SUBST_MODE): New function.
12219 (SUBST_MODE): New macro.
12220 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12221 reg and trying to replace reg_regno_rtx with a new register.
12222 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12223 (simplify_set): Use SUBST_MODE.
12224 (distribute_notes): Remove code that tried to update reg notes
12225 for regno_reg_rtx changes.
12227 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12229 PR tree-optimization/23109
12230 PR tree-optimization/23948
12231 PR tree-optimization/24123
12233 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12234 * tree-cfg.c (single_noncomplex_succ): New.
12235 * tree-flow.h (single_noncomplex_succ): Declare it.
12236 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12237 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12238 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12239 insert_bb, register_division_in, insert_reciprocals,
12240 replace_reciprocal, free_bb): New.
12241 (execute_cse_reciprocals_1): Rewritten.
12242 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12243 Do not commit any edge insertion. Always compute dominators and
12244 create the allocation pool.
12245 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12246 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12247 * targhooks.c (default_min_divistions_for_recip_mul): New.
12248 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12249 * passes.c (init_optimization_passes): Run recip after tree loop
12251 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12253 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12254 Kenneth Zadeck <zadeck@naturalbridge.com>
12256 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12257 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12258 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12259 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12260 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12261 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12262 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12263 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12264 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12265 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12266 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12267 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12268 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12269 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12270 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12271 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12272 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12273 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12274 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12275 DF_SCAN_POST_ALLOC): New macros.
12276 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12277 df_free_bb_function, df_local_compute_function, df_init_function,
12278 df_dataflow_function, df_confluence_function_0,
12279 df_confluence_function_n, df_transfer_function,
12280 df_finalizer_function, df_free_function, df_dump_problem_function,
12281 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12282 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12283 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12284 df_urec_bb_info, ) New types.
12285 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12287 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12288 df_analyze_simple_change_some_blocks,
12289 df_analyze_simple_change_one_block, df_compact_blocks,
12290 df_bb_replace, df_bb_regno_last_use_find,
12291 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12292 df_insn_regno_def_p, df_find_def, df_find_use,
12293 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12294 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12295 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12296 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12297 debug_df_chain, df_get_dependent_problem, df_chain_create,
12298 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12299 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12300 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12301 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12302 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12303 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12304 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12305 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12306 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12307 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12308 df_reorganize_refs, df_set_state, df_hard_reg_init,
12309 df_read_modify_subreg_p) New public functions.
12310 * df-core.c: The core dataflow solver and glue routines for rtl
12312 (df_init, df_add_problem, df_set_blocks, df_finish,
12313 df_hybrid_search_forward, df_hybrid_search_backward,
12314 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12315 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12316 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12317 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12318 df_reg_defined, df_find_use, df_reg_used, df_dump,
12319 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12320 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12321 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12322 debug_df_useno, reset_df_after_reload): New functions.
12323 * df-scan.c: The scanning fuctions, once in df.c, completely
12324 rewritten so that they now fully model the functionality of
12325 register usage at the backend.
12326 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12327 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12328 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12329 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12330 df_get_artificial_defs, df_get_artificial_uses,
12331 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12332 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12333 df_refs_delete, df_reorganize_refs, df_set_state,
12334 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12335 df_def_record_1, df_defs_record, df_uses_record,
12336 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12337 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12338 df_record_exit_block_uses, df_hard_reg_init): New functions.
12340 * df-problems.c: Seven concrete dataflow problems that use the
12341 scanning in df-scan.c and are solved by the engine in df-core.c.
12342 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12343 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12344 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12345 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12346 df_ru_free_bb_info, df_ru_alloc,
12347 df_ru_bb_local_compute_process_def,
12348 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12349 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12350 df_ru_transfer_function, df_ru_free, df_ru_dump,
12351 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12352 df_rd_free_bb_info, df_rd_alloc,
12353 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12354 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12355 df_rd_transfer_function, df_rd_free, df_rd_dump,
12356 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12357 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12358 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12359 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12360 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12361 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12362 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12363 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12364 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12365 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12366 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12367 df_urec_mark_reg_use_for_earlyclobber,
12368 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12369 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12370 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12371 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12372 df_chain_create_bb_process_use, df_chain_create_bb,
12373 df_chain_finalize, df_chain_free, df_chains_dump,
12374 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12375 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12376 df_reg_lifetime): New functions.
12377 * df.c: Deleted file.
12378 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12379 consistent with new df api.
12380 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12381 rest_of_handle_sms): Ditto.
12382 * web.c (unionfind_union, union_defs, entry_register, web_main):
12384 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12385 invariant_expr_equal_p, find_defs, check_dependencies,
12386 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12387 free_inv_motion_data, move_loop_invariants): Ditto.
12388 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12389 Update dependencies.
12390 (odf.c): Added defective entry that was deleted later in day.
12391 * sched-deps.c (sched_analyze_1): Ditto.
12393 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12395 * tree-ssa-operands.c (get_expr_operands): Record addressable
12396 variables directly. Do not call add_stmt_operands for CONST_DECLs
12398 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12399 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12401 2006-01-11 Ben Elliston <bje@au.ibm.com>
12403 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12404 function returns true in the positive case.
12406 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12409 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12410 for SI, DI, SF and DF modes. Add alternatives to copy between
12411 general and floating point registers to the 32-bit patterns.
12412 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12413 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12414 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12415 generating 64-bit code.
12416 * config/pa/pa.c (output_move_double): Handle copies between general
12417 and floating registers.
12419 2006-01-10 Stuart Hastings <stuart@apple.com>
12421 * config/i386/i386.md (set_got): Update.
12422 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12423 (builtin_setjmp_receiver): Mach-O support.
12424 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12425 (GOT_SYMBOL_NAME): Define.
12426 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12427 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12428 * config/i386/i386.c (override_options): Revise for Darwin.
12429 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12430 support. (darwin_x86_file_end): New. (output_set_got): Add label
12431 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12432 * config/i386/i386-protos.h (output_set_got): Likewise.
12433 * config/darwin.c (machopic_legitimize_pic_address): Update
12436 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12438 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12439 when MODE isn't BLKmode.
12441 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12443 PR rtl-optimization/25367
12444 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12446 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12449 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12450 for a negative bound.
12452 2006-01-10 Richard Guenther <rguenther@suse.de>
12454 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12455 Never override with anything constraint.
12457 2006-01-10 Jan Beulich <jbeulich@novell.com>
12459 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12460 256 bits when optimize_size.
12462 2006-01-10 Jan Beulich <jbeulich@novell.com>
12464 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12466 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12467 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12470 2006-01-10 Ben Elliston <bje@au.ibm.com>
12472 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12474 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12475 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12476 (USE_FP_FOR_ARG): Reject decimal float modes.
12477 (function_arg_advance): Likewise.
12478 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12479 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12480 point types in AltiVec vectors.
12481 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12482 (rs6000_libcall_value): Likewise.
12484 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12486 * config/xtensa/ieee754-df.S: New file.
12487 * config/xtensa/ieee754-sf.S: New file.
12488 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12489 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12490 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12492 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12494 * config/sh/predicates.md (binary_float_operator,
12495 binary_logical_operator, commutative_float_operator,
12496 equality_comparison_operator, greater_comparison_operator,
12497 less_comparison_operator, logical_operator,
12498 noncommutative_float_operator, shift_operator,
12499 symbol_ref_operand, unary_float_operator): Remove redundant
12502 2006-01-09 Jeff Law <law@redhat.com>
12504 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12505 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12506 now unused arguments. Callers updated.
12507 (eliminate_redundant_computations): Remove now unused arguments,
12509 (local_fold): Remove, no longer used.
12510 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12512 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12513 (simplify_cond): New function.
12514 (forward_propagate_into_cond): Call simplify_cond.
12516 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12518 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12519 (*vec_extractv2di_1_sse): New.
12521 2006-01-09 Ben Elliston <bje@au.ibm.com>
12523 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12525 2006-01-08 Richard Guenther <rguenther@suse.de>
12527 * tree-ssa-structalias.c (get_constraint_for): Remove
12528 anyoffset argument.
12529 (get_constraint_for_component_ref): Likewise.
12530 (do_deref): Likewise.
12531 (get_constraint_for): Likewise.
12532 (do_structure_copy): Likewise.
12533 (handle_ptr_arith): Likewise.
12534 (find_func_aliases): Likewise. Remove unused need_anyoffset
12537 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12538 Kaz Kojima <kkojima@gcc.gnu.org>
12540 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12541 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12542 (EXTRA_CONSTRAINT_C16): Remove.
12543 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12544 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12545 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12546 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12547 constants of SHmedia. Handle nested constant expressions of
12549 (andcosts): Fix the costs for SHmedia constants.
12550 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12551 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12552 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12553 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12554 (movv4hi_i, movv2si_i): Likewise.
12555 (movsi_const): Adjust the second operand of ior so to match with
12556 the Csu constraint.
12557 (movdi_const, movdi_const_32bit): Likewise.
12558 (movdi_const_16bit+1): Don't sign-extend LOW.
12559 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12561 (*double_shori): Fix the split condition. Use GEN_INT instead
12562 of get_int_mode calls. Mask lower 16-bit of the argument of
12564 (sym2GOTPLT): Remove.
12565 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12567 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12568 instead of EXTRA_CONSTRAINT_C16.
12570 2006-01-07 Ian Lance Taylor <ian@airs.com>
12571 David Edelsohn <edelsohn@gnu.org>
12573 PR rtl-optimization/25662
12574 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12575 for constant operands instead of simplify_gen_binary.
12576 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12577 after trying simplify_binary_operation
12579 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12581 * tree.c (iterative_hash_expr): Hash decls based on UID.
12583 2006-01-06 Eric Christopher <echristo@apple.com>
12585 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12586 (TARGET_UNWIND_EMIT): Fix spelling.
12587 * target.h (gcc_target): Add except_table_label.
12588 * except.c (output_function_exception_table): Use.
12589 * varasm.c (default_emit_except_table_label): New.
12590 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12592 (asm_out): Add here.
12593 * output.h (default_emit_except_table_label): Prototype.
12594 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12595 * config/darwin.c (darwin_emit_except_table_label): Define.
12596 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12598 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12600 PR tree-optimization/18527
12601 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12602 number_of_iterations_special, number_of_iterations_exit):
12603 Move base and step of an iv to a single structure. Add
12604 no_overflow flag, and use it in # of iterations analysis.
12605 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12606 folded_casts argument.
12607 (simple_iv): Pass base and step in a structure. Set no_overflow
12609 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12610 Evaluate expensiveness of computing # of iterations instead of
12611 the final expression.
12612 * tree-scalar-evolution.h (affine_iv): New structure.
12613 (simple_iv): Declaration changed.
12614 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12615 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12616 find_givs_in_stmt): Changed due to simple_iv change.
12618 2006-01-06 Jeff Law <law@redhat.com>
12621 * tree-cfg.c (bsi_replace): Rename final argument from
12622 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12623 change (stmt -> orig_stmt).
12624 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12625 (bsi_remove): Add new argument. Remove EH information
12627 (verify_eh_throw_table_statements): New function.
12628 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12630 * tree-optimize.c (execute_free_cfg_annotations): Verify
12631 the EH throw statement table after removing annotations.
12632 * except.h (verify_eh_throw_table_statements): Prototype.
12633 * tree-flow.h (bsi_remove): Update prototype.
12634 * tree-vrp.c (remove_range_assertions): Add new argument to
12636 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12637 * tree-complex.c (expand_complex_div_wide): Likewise.
12638 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12639 * tree-tailcall.c (eliminate_tailcall): Likewise.
12640 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12641 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12642 * tree-nrv.c (tree_nrv): Likewise.
12643 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12644 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12645 (combine_blocks): Likewise.
12646 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12647 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12648 (cleanup_control_flow): Likewise.
12649 (remove_forwarder_block): Likewise.
12650 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12651 * tree-sra.c (sra_replace): Likewise.
12652 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12653 (forward_propagate_single_use_vars): Likewise.
12654 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12655 * tree-inline.c (expand_call_inline): Likewise.
12656 * tree-vect-transform.c (vect_transform_loop): Likewise.
12657 * tree-outof-ssa.c (rewrite_trees): Likewise.
12658 * tree-cfg.c (make_goto_expr_edges): Likewise.
12659 (cleanup_dead_labels): Likewise.
12660 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12661 (bsi_move_before, bsi_move_after): Likewise.
12662 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12663 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12665 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12668 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12670 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12671 on non gimple variables. Also add checks at the top for decls and
12673 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12675 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12676 and IMAGPART_EXPR for creating MUST_DEFs.
12677 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12678 and NAME_MEMORY_TAG separately from the DECLs.
12680 2006-01-06 Richard Guenther <rguenther@suse.de>
12682 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12683 annotation, if necessary.
12684 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12685 redundant calls to update_stmt.
12686 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12689 2006-01-05 Richard Henderson <rth@redhat.com>
12691 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12693 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12695 * c-typeck.c: Update copyright date.
12697 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12699 * c-typeck.c (build_c_cast): Always warn when casting
12700 from a pointer to an integer of different size, even if
12701 the node was constant.
12703 2006-01-05 Richard Guenther <rguenther@suse.de>
12705 PR tree-optimization/22555
12706 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12707 if one structure field is an array.
12708 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12709 operands even if we found a subvar, but ignore VOPs in this
12711 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12713 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12715 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12717 PR middle-end/24998
12718 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12720 2006-01-05 Richard Guenther <rguenther@suse.de>
12721 Diego Novillo <dnovillo@redhat.com>
12723 * tree-pass.h (TODO_remove_unused_locals): Define.
12724 * gimple-low.c (expand_var_p, remove_useless_vars,
12725 pass_remove_useless_vars): Remove. Update all users.
12726 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12727 (remove_unused_locals): New function.
12728 * tree-flow.h (remove_unused_locals): Declare.
12729 * passes.c (execute_todo): Call remove_unused_locals if
12730 TODO_remove_unused_locals is set.
12731 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12732 * tree-ssa-dce.c (pass_dce): Likewise.
12733 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12735 2006-01-05 Richard Guenther <rguenther@suse.de>
12737 * tree-flow.h (struct fieldoff): Decompose field to
12738 type, size and decl.
12739 * tree-ssa-alias.c (create_sft): Take type as parameter.
12740 (create_overlap_variables_for): Store type, size and decl
12741 in the fieldoff structure.
12742 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12743 of struct fieldoff.
12744 (push_fields_onto_fieldstack): Likewise.
12745 (create_variable_info_for): Likewise. Use offset for the
12746 SFT name if the decl is not available.
12748 2006-01-04 Paul Brook <paul@codesourcery.com>
12750 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12752 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12754 * lambda-code.c (can_put_in_inner_loop): Relax
12756 (can_put_after_inner_loop): New function.
12757 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12758 (perfect_nestify): Change to make copies and modify uses.
12760 2006-01-04 Richard Henderson <rth@redhat.com>
12762 Merge from gomp branch:
12763 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12764 via integer constant.
12765 (pragma_lex): Remove.
12766 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12767 rather than parsing it.
12768 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12769 handle_pragma_extern_prefix): Add %< %> quotes.
12770 (registered_pragmas): New.
12771 (c_register_pragma_1): New.
12772 (c_register_pragma): Use it.
12773 (c_register_pragma_with_expansion): Likewise.
12774 (c_invoke_pragma_handler): New.
12775 (init_pragma): Use cpp_register_deferred_pragma directly for
12777 * c-pragma.h (enum pragma_kind): New.
12778 (pragma_handler): New.
12779 (c_invoke_pragma_handler): Declare.
12780 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12782 * c-common.h (c_common_pch_pragma): Update decl.
12783 * Makefile.in (c-parser.o): Update dependencies.
12784 (GTFILES): Add c-pragma.h.
12785 * c-parser.c (struct c_token): Add pragma_kind.
12786 (struct c_parser): Add in_pragma.
12787 (c_lex_one_token): Always initialize keyword and pragma_kind.
12788 Extract data for CPP_PRAGMA.
12789 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12790 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12791 Don't allow CPP_PRAGMA_EOL if in_pragma.
12792 (c_parser_consume_pragma): New.
12793 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12794 (c_parser_skip_to_end_of_parameter): Likewise.
12795 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12796 (c_parser_skip_to_pragma_eol): New.
12797 (c_parser_external_declaration): Handle CPP_PRAGMA.
12798 (c_parser_compound_statement_nostart): Likewise.
12799 (c_parser_statement_after_labels): Likewise.
12800 (c_parser_pragma): New.
12801 (pragma_lex): Likewise.
12802 (c_parser_pragma_pch_preprocess): New.
12803 (c_parser_new): Merge into ...
12804 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12806 2006-01-04 Jeff Law <law@redhat.com>
12809 * tree-cfg.c (bsi_replace): Remove the original statement
12810 from the EH throw statement table.
12812 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12814 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12815 make the prototype extern "C" and add throw ().
12818 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12819 and pos non-negative and pos + len <= 32.
12820 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12821 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12822 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12825 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12826 as well as sizes not multiple of component size.
12829 * function.c (instantiate_expr): New function.
12830 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12831 walk its DECL_VALUE_EXPR with instantiate_expr.
12833 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12834 DW_OP_deref{,_size} if address isn't going to be added.
12836 2006-01-04 Ben Elliston <bje@au.ibm.com>
12838 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12839 * config/fp-bit.c: Likewise.
12841 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12843 * dominance.c: Add comment about why we use DFS numbering
12846 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12847 Richard Henderson <rth@redhat.com>
12849 Merge from gomp-branch:
12850 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12851 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12853 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12855 PR rtl-optimization/25578
12856 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12857 pass a parameter to simplify_shift_const if changing ASHIFTRT
12860 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12862 * builtins.c (get_builtin_sync_mem): New function.
12863 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12864 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12865 Call get_builtin_sync_mem to generate mem rtx.
12867 2006-01-03 Richard Guenther <rguenther@suse.de>
12870 * stmt.c (add_case_node): Make sure to clear overflow flags
12873 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12875 Merge from gomp-branch.
12876 * config/sparc/sync.md: New file.
12877 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12878 UNSPECV_LDSTUB): New constants.
12879 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12880 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12881 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12884 2006-01-03 Roger Sayle <roger@eyesopen.com>
12886 * combine.c (reg_subword_p): New predicate to test whether the
12887 destination of a set refers to a subword/piece of a register.
12888 (try_combine): Generalize the code to merge the setting of a
12889 pseudo to a constant followed by a set of a subword of that
12890 register to a constant.
12892 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12894 * basic-block.h (control_flow_graph): Change the type of
12895 x_label_to_block_map to VEC(basic_block,gc) *.
12896 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12897 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12899 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12900 VEC(basic_block,heap) *.
12901 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12902 ssa_prop_fini): Adjust the uses of cfg_blocks.
12904 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12906 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12908 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12909 hashing trees instead of a pointer hash.
12910 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12911 compare for MEM_EXPR.
12913 PR rtl-optimization/25130
12914 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12915 when comparing MEMs for GCSE
12917 2006-01-03 Ben Elliston <bje@au.ibm.com>
12919 * targhooks.h (default_decimal_float_supported_p): Declare.
12920 * targhooks.c (default_decimal_float_supported_p): Define.
12921 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12922 `default_decimal_float_supported_p'.
12923 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12925 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12927 * combine.c (apply_distributive_law <SUBREG>): Check
12928 TRULY_NOOP_TRUNCATION.
12930 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12932 * dwarf2out.c (have_switched_text_section): Delete.
12933 (have_multiple_function_sections): New.
12934 (have_location_lists): Make 'bool'.
12935 (add_AT_loc_list): Use 'true' not '1'.
12936 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12937 (output_loc_list): Use have_multiple_function_sections.
12938 (output_ranges): Likewise.
12939 (dwarf2out_begin_function): Set have_multiple_function_sections if
12941 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12942 Check function_section rather than DECL_SECTION_NAME.
12943 (dwarf2out_finish): Use have_multiple_function_sections.
12944 Don't clear have_location_lists.
12946 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12947 Jan Hubicka <jh@suse.cz>
12949 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12950 case of conditional jump jumping to the next instruction.
12951 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12952 cases of conditional jump jumping to the next instruction.
12954 2006-01-02 Jan Hubicka <jh@suse.cz>
12956 * i386.c (*_cost): Add COSTS_N_INSNS.
12957 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12959 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12962 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12964 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12966 * config/arm/arm.c (all_fpus): Fix comment typo.
12967 * config/darwin.c: Likewise.
12968 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12969 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12970 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12972 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12974 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12975 (rs6000_split_compare_and_swapqhi): New.
12976 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12977 (sync_compare_and_swapqhi_internal): New.
12978 * config/rs6000/rs6000-protos.h: Declare.